CN102364409A - Touch device and adaptive method thereof - Google Patents
Touch device and adaptive method thereof Download PDFInfo
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- CN102364409A CN102364409A CN2011103528237A CN201110352823A CN102364409A CN 102364409 A CN102364409 A CN 102364409A CN 2011103528237 A CN2011103528237 A CN 2011103528237A CN 201110352823 A CN201110352823 A CN 201110352823A CN 102364409 A CN102364409 A CN 102364409A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3262—Power saving in digitizer or tablet
Abstract
The invention relates to a touch device. The touch device comprises a sensing unit, a detection unit, an identification analysis unit, a power supply control unit and an adaptive unit, wherein the sensing unit is used for sensing currently executed touch operation; the detection unit is connected with the sensing unit and is used for detecting a current sample value corresponding to the currently executed touch operation; the identification analysis unit identifies the currently executed touch operation according to the current sample value to obtain an identification result, and generates an identification control signal; the power supply unit comprises a power supply and a power supply mode with a plurality of energy consumption levels, and controls the power supply to enter the power supply mode at a corresponding energy consumption level according to the identification control signal; and the adaptive unit starts to time when the power supply control unit receives the identification control signal, if the power supply control unit does not receive a new identification control signal after exceeding a time threshold, transmits a signal at a reduced energy consumption level to the power supply control unit. Correspondingly, the inventor of the embodiment of the invention also provides a touch device adaptive method; and the power consumption of the touch device is reduced effectively.
Description
Technical field
The present invention relates to the touch sensing technology, particularly touching device and adaptive approach thereof.
Background technology
At present, the consumption electronic product kind on the market more and more is tending towards variation, and the user requires also day by day to improve for the use experience of these consumption electronic products.And the key system in the consumption electronic product just becomes the wherein key factor that influences user's use experience.The traditional mechanical button is because the lofty attractive in appearance inadequately and difficult cleaning of outward appearance and being eliminated gradually, simultaneously the serviceable life of mechanical type button limited one of the reason that reduces user's use experience that also becomes.Therefore, gradually adopted the touch sensible button to substitute the traditional mechanical button on the market.Wherein, the design of capacitance type touch key also is that touch sensible is by a focus in the key technology.
Yet, strict demand is not made in the power consumption aspect of touching device in the prior art, the power consumption of touching device is high.Along with prior art to power consumption require increasingly highly, how to reduce the power consumption of touching device, just become technical problem demanding prompt solution.
More data about touching device please refer to publication number and are " CN101916502A ", and denomination of invention is the Chinese patent of " touch remote controller ".
Summary of the invention
The problem that the present invention solves provides a kind of touching device and adaptive approach thereof of low-power consumption.
For addressing the above problem, embodiments of the invention provide a kind of touching device, comprising:
Sensing unit is used to respond to the touch operation of current executed;
Detecting unit is electrically connected with said sensing unit, is used to detect and the corresponding current sample value of the touch operation of current executed;
The discriminance analysis unit, the touch operation according to said current sample value identification current executed obtains recognition result, and produces the identification control signal;
Power control unit comprises power supply and a plurality of other electric source modes of energy consumption level, gets into corresponding other electric source modes of energy consumption level according to said identification control signal control power supply;
Adaptive unit receives the identification control signal from power control unit and picks up counting, if said power control unit does not also receive new identification control signal after the overtime threshold value, sends other signal of level that cuts down the consumption of energy and gives power control unit.
Alternatively, said sensing unit comprises: induction zone; The electrode that is oppositely arranged with said induction zone; Insulation course between said induction zone and electrode.
Alternatively, said induction zone is the switch of touching device.
Alternatively, said detecting unit comprises: with the reference capacitance that said sensing unit is electrically connected, be used to receive the electric charge that sensing unit shifts; With the counting unit that said reference capacitance is electrically connected, the number of times that the sensing unit electric charge shifts when being used for detecting said reference capacitance and being filled obtains current sample value.
Alternatively, also comprise: storage unit, a plurality of current sample value in the store predetermined time obtains long-term average according to said a plurality of current sample values.
Alternatively, said discriminance analysis unit comprises: reference unit is used to provide near induction threshold value and touch sensible threshold value; Comparer compares with said current sample value with near induction threshold value or touch sensible threshold value.
Alternatively, said approaching induction threshold value is x a times of said long-term average, the y that said touch sensible threshold value is said long-term average times, wherein, said 0＜y＜x＜1.
Alternatively, said is 5/16 of said long-term average near the induction threshold value, and said touch sensible threshold value is 1/16 of a said long-term average.
Alternatively, said discriminance analysis unit comprises: reference unit is used to provide near induction threshold value, touch sensible threshold value and long-term average; Comparer doubly compares said current sample value and approaching induction threshold value and long-term average sum z times or the z of touch sensible threshold value and long-term average sum.
Alternatively, said z is 75% or 87.5%.
Alternatively; Also comprise: apart from sensing unit; Be used for before carrying out touch operation, arriving the execution touch operation leaves the induction zone of sensing unit during this period of time distance according to the operator; Decision operation person is gradually near sensing unit or gradually away from sensing unit, and judged result is sent to the discriminance analysis unit.
Alternatively, said recognition result is non-inductive operation, operates near inductive operation or touch sensible.
Alternatively, said identification control signal is corresponding with said recognition result, near induced signal or touch sensible signal.
Alternatively; Said electric source modes is corresponding with said identification control signal; Be at least deep sleep mode, approaching induction trigger mode or touch sensible pattern; The energy consumption of said deep sleep mode is less than said energy consumption near induction trigger mode and touch sensible pattern, and the energy consumption of said approaching induction trigger mode is less than the energy consumption of said touch sensible pattern.
Alternatively, said power control unit comprises 8 different other electric source modes of energy consumption level.
Accordingly, the inventor of the embodiment of the invention also provides a kind of touching device adaptive approach that adopts above-mentioned any touching device, comprising:
Touching device is provided, said sensing unit is carried out touch operation;
Adopt detecting unit that said sensing unit is detected, obtain and the corresponding current sample value of touch operation;
Adopt the discriminance analysis unit to obtain the said current sample value of detecting unit, discern said touch operation, obtain recognition result, and produce the identification control signal;
The identification control signal control power supply that adopts power control unit to provide according to said discriminance analysis unit gets into corresponding other electric source modes of energy consumption level;
Adopt adaptive unit to receive the identification control signal and pick up counting, after power control unit overtime threshold value, also do not receive new identification control signal, send other signal of level that cuts down the consumption of energy and give power control unit from power control unit.
Alternatively; Obtain comprising with the step of the corresponding said current sample value of touch operation: reference capacitance receives the electric charge that sensing unit shifts; The number of times that electric charge shifted in the sensing unit when counting unit detected said reference capacitance and is filled, the number of times that said electric charge is shifted is as current sample value.
Alternatively, also comprise: a plurality of current sample value in the cell stores stipulated time obtains long-term average according to said a plurality of current sample values.
Alternatively, the said stipulated time is 2-5 second.
Alternatively, also comprise: approaching induction threshold value and touch sensible threshold value that reference unit provides, said approaching induction threshold value are x times of said long-term average, the y that said touch sensible threshold value is said long-term average times, wherein, said 0＜y＜x＜1.
Alternatively, said is 5/16 of said long-term average near the induction threshold value, and said touch sensible threshold value is 1/16 of a said long-term average.
Alternatively; The preparation method of said recognition result is: the relation between the current sample value that comparer comparison detecting unit obtains and approaching induction threshold value and the touch sensible threshold value; When said current sample value greater than the touch sensible threshold value, and smaller or equal to said near induction during threshold value, recognition result is near inductive operation; When said current sample value greater than near induction during threshold value; Recognition result is non-inductive operation, and when said current sample value during smaller or equal to the touch sensible threshold value, recognition result is the touch sensible operation.
Alternatively; The preparation method of said recognition result is: the more said current sample value of comparer and near the z of induction threshold value and long-term average sum doubly and the relation of the z of touch sensible threshold value and long-term average sum between doubly; When said current sample value greater than the z of touch sensible threshold value and long-term average sum doubly; And smaller or equal to the time near induction threshold value and long-term average sum z times; Recognition result is near inductive operation, when said current sample value greater than near induction threshold value and long-term average sum z times the time, recognition result is non-inductive operation; When said current sample value during smaller or equal to touch sensible threshold value and long-term average sum z times, recognition result is the touch sensible operation.
Alternatively, said z is 75% or 87.5%.
Alternatively; Also comprise: adopt apart from sensing unit and before carrying out touch operation, arrive the execution touch operation leaves the induction zone of sensing unit during this period of time distance according to the operator; Decision operation person is gradually near sensing unit or gradually away from sensing unit, and judged result is sent to the discriminance analysis unit.
Alternatively, said time threshold is 0-20 second.
Compared with prior art, embodiments of the invention have the following advantages:
The touching device of the embodiment of the invention; Comprise discriminance analysis unit, power control unit; Said discriminance analysis unit provides current sample value through detecting unit; Identify the kind of the touch operation of current executed, power control unit gets into corresponding other electric source modes of energy consumption level according to the kind control power supply of the touch operation of current executed, and the touching device of the embodiment of the invention also comprises adaptive unit; Can receive the identification control signal from power control unit picks up counting; If also do not receive new identification control signal at the said power control unit of overtime threshold value, send other signal of level that cuts down the consumption of energy and give power control unit, reduced the power consumption of touching device.
For the induction that makes said touching device more accurate; Also comprise storage unit in the said touching device; A plurality of current sample value in can the store predetermined time; Obtain long-term average according to said a plurality of current sample values, confirm near induction threshold value and touch sensible threshold value according to said long-term average again, with the different touch operation of more accurate identification.
In the touching device adaptive approach of the embodiment of the invention; Adaptive unit is after power control unit receives the identification control signal; Pick up counting, when the overtime threshold value does not also receive new identification control signal, then adaptive unit can send other signal of level that cuts down the consumption of energy and give power control unit; Start a electric source modes, can effectively reduce power consumption than low energy consumption.Avoid the said touching device of long-time touch, and do not carried out other whens operation, the situation of the power consumption that the power supply waste of touching device is unnecessary.
Description of drawings
Fig. 1 is the modular structure synoptic diagram of the touching device of the embodiment of the invention;
Fig. 2 is the cross-sectional view of the sensing unit of the embodiment of the invention;
Fig. 3 is the schematic flow sheet of the touching device adaptive approach of the embodiment of the invention;
Fig. 4 is the fundamental diagram of the touching device adaptive approach of the embodiment of the invention.
Embodiment
Said as background technology, the power consumption of the touch remote controller of prior art is higher, along with prior art to power consumption require increasingly highly, how to reduce the power consumption of touching device, just become technical problem demanding prompt solution.
Through research, the inventor finds, the touch remote controller of prior art; Aspect integrated, as to choose low-power consumption components and parts, touch remote controller is improved to reduce power consumption mostly, but ignored the power problems in the operating process, for example when the user touches the induction zone of said touching device; Even do not carry out next operation for a long time; Said touching device still can be in running order, and consumes power causes the power consumption of touching device higher.
Through further research; The inventor finds that the power consumption of touch remote controller still has the space of downward modulation, can in touch remote controller, increase an auto-adaptive time adjustment unit; Touch the induction zone of said touching device as the user after; Do not carry out next operation at the appointed time, then touch remote controller becomes dormant state by duty automatically, to reduce power consumption.
Accordingly, the inventor of the embodiment of the invention provides a kind of touching device and adaptive approach thereof.
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, does detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.A lot of details have been set forth in the following description so that make much of the present invention.But the present invention can implement much to be different from alternate manner described here, and those skilled in the art can do similar popularization under the situation of intension of the present invention, so the present invention does not receive the restriction of following disclosed specific embodiment.
Secondly, the present invention utilizes synoptic diagram to be described in detail, when the embodiment of the invention is detailed; For ease of explanation; The sectional view of expression device architecture can be disobeyed general ratio and done local the amplification, and said synoptic diagram is instance, and it should not limit the scope of the present invention's protection at this.The three dimensions size that in actual fabrication, should comprise in addition, length, width and the degree of depth.
Please refer to Fig. 1, the touching device of the embodiment of the invention comprises:
Detecting unit 103 is electrically connected with said sensing unit 101, is used to detect and the corresponding current sample value CS of the touch operation of current executed;
Said touching device can be touch remote controller or space mouse etc.Said touching device comprises metal touch panel, and the detecting plate that is oppositely arranged of said metal touch panel and the insulation course between said metal touch panel and detecting plate.Touching device in the embodiment of the invention is the space mouse, and said space mouse mainly positions through the attitude of identification space mouses such as gyroscope, acceleration of gravity appearance with to the space mouse pointer.
Please combine with reference to figure 1 and Fig. 2, said sensing unit 101 comprises induction zone 201; The electrode 203 that is oppositely arranged with said induction zone 201; Insulation course 207 between said induction zone 201 and electrode 203.Said induction zone 201, electrode 203 and insulation course 207 constitute an electric capacity, and promptly said sensing unit 101 is an electric capacity, is used to respond to the touch operation of current executed.
In an embodiment of the present invention; Said induction zone 201 is the switch of touching device; Be arranged in metal touch panel 200; Said induction zone 201 is isolated (not shown) each other with other zones (for example metal key-press) on the said metal touch panel 200, and the material of the material of said induction zone 201 and metal touch panel 200 can be identical, for example is Copper Foil or other conductive materials; Said electrode 203 is arranged on the detecting plate 205, and said electrode 203 is a Copper Foil, perhaps also can be other known various conductive materials; The zone of said insulation course 207 between said metal touch panel 200 and detecting plate 205, the material of said insulation course 207 can be glass, perhaps also can be other known various insulating material.
When said operator carried out touch operation to said induction zone 201, because the operator has static on one's body, said operator static charge on one's body can shift through said induction zone 201.The inventor finds that the touch operation that the operator carries out said induction zone is different, and the situation that said static charge shifts also can be different.In an embodiment of the present invention, said touch operation be non-inductive operation, a kind of near in the operation of inductive operation or touch sensible.
Wherein, The said non-inductive operator of being operating as does not carry out any operation to said touching device; Operator's static charge on one's body can not shift to detecting unit 103; Only have the electric charge of minute quantity to receive the for example influence of temperature, humidity, noise etc. of external environment, transferred in the detecting unit 103, touching device is in deep sleep state at this moment; Only sensing unit, detecting unit and discriminance analysis unit are in running order, and the main control chip of touching device and gyroscope, acceleration of gravity appearance etc. all do not worked; Said is the close together that the operator leaves induction zone 201 near inductive operation; The operator has had the fraction static charge to escape in the detecting unit 103 through the induction zone 201 of sensing unit 101 on one's body; Touching device partial function this moment (for example waking the main control chip in the touching device up) is opened, and gets into half duty; It is minimum or touched induction zone 201 surfaces from the distance of induction zone 201 that said touch sensible is operating as the operator; The a large amount of on one's body static charge of operator's this moment is transferred in the detecting unit through the induction zone 201 of sensing unit 101; The repertoire of said touching device is opened; Comprise that gyroscope, acceleration of gravity appearance in the touching device all start working, get into the state of full speed operation.
Please continue with reference to figure 1, said detecting unit 103 comprises: the reference capacitance (not shown) that is connected with the electrode electricity of said sensing unit 101 is used to receive the electric charge that sensing unit 101 shifts; The counting unit (not shown) that is electrically connected with said reference capacitance, the number of times that the sensing unit electric charge shifts when being used for detecting said reference capacitance and being filled obtains current sample value CS.
In an embodiment of the present invention; Said detecting unit 103 also is arranged on the detecting plate, and said detecting unit 103 is electrically connected with sensing unit 101, is received by the reference capacitance in the electric charge unit to be detected of sensing unit 101 transfers; The electric capacity of said reference capacitance is less; Usually adopt the electric capacity of pF level, for example 0.5pF, so said reference capacitance is easier to be full of by the electric charge that from sensing unit 101, shifts.The voltage (reference voltage) at two ends compares in the time of can the voltage at reference capacitance two ends and said reference capacitance being full of in the embodiments of the invention, just can learn whether said reference capacitance is full of; Said counting unit can be carried out record to the electric charge number of times that sensing unit 101 shifts in the reference capacitance of detecting unit 103, the number of times that electric charge shifted in the sensing unit 101 when reference capacitance was filled is designated as current sample value CS.Touch operation according to said current sample value identification current executed obtains recognition result, and produces the identification control signal.
Need to prove, consider that different operation person has the static charge of different amounts on one's body, when carrying out identical touch operation; The amount of charge that shifts is also inequality, and receives the influence of environment, even same operator; Under the different moment or different environment, when carrying out identical touch operation, the amount of charge of transfer is also inequality; When promptly the different moment, varying environment or different operating person carried out identical touch operation, the current sample value CS that obtains was also inequality, and is more accurate for touching device is judged operator's touch operation; In the said touching device through filters the influence of surrounding environment to touching device; And said touching device also comprises: storage unit (not shown), a plurality of current sample value CS of (for example 2-5 second (S)) in the store predetermined time; According to said a plurality of current sample values obtain long-term average (Long Term Average, LTA).
Need to prove that said storage unit can be set directly on the detecting plate, also can be integrated in detecting unit inside.
Please continue with reference to figure 1; Said discriminance analysis unit 105 is electrically connected with the counting unit of said detecting unit 103, obtains current sample value CS, according to the touch operation of said current sample value CS identification current executed; Obtain recognition result, and produce the identification control signal.
In an embodiment of the present invention, said discriminance analysis unit 105 comprises: reference unit (not shown), be electrically connected with comparer, and be used to provide near induction threshold value P
ThWith touch sensible threshold value T
ThGive comparer; Comparer (not shown) is electrically connected respectively at the counting unit in reference unit in the discriminance analysis unit 105 and the detecting unit 103, the current sample value CS that said comparer provides said counting unit and reference unit provide near responding to threshold value P
ThOr touch sensible threshold value T
ThCompare.
Said near induction threshold value P
ThWith touch sensible threshold value T
ThAll confirm through current sample value CS.Therefore, said reference unit also with said detecting unit 103 in counting unit be electrically connected, to obtain current sample value CS.
In an embodiment of the present invention; For eliminating the influence of surrounding environment to touching device; And the recognition result that obtains for the discriminance analysis unit 105 that makes touching device is more accurate; Said reference unit also is electrically connected with filtrator, and said reference unit through storage unit realize with detecting unit 103 in counting unit is electrically connected the said approaching threshold value P that responds to
ThWith touch sensible threshold value T
ThThe mean value of the current sample value CS that obtains through the sampling in the stipulated time, promptly long-term average (LTA) is confirmed.Particularly, said near induction threshold value P
ThFor the x of said long-term average (LTA) doubly, said touch sensible threshold value T
ThFor the y of said long-term average doubly, wherein, said 0＜y＜x＜1.For example, said near induction threshold value P
ThBe 5/16 of said long-term average, said touch sensible threshold value T
ThBe 1/16 of said long-term average.
Said recognition result is non-inductive operation, operates near inductive operation or touch sensible.
In one embodiment of the invention, the current sample value CS and approaching induction threshold value P of the comparer in the discriminance analysis unit 105 through relatively obtaining by detecting unit
ThWith touch sensible threshold value T
ThBetween relation, obtain recognition result.Particularly, when said current sample value CS greater than touch sensible threshold value T
Th, and smaller or equal to said approaching induction threshold value P
ThThe time, recognition result is near induction (Proximity) operation, when said current sample value CS greater than near induction threshold value P
ThThe time, recognition result is non-inductive operation, when said current sample value CS smaller or equal to touch sensible threshold value T
ThThe time, recognition result is touch sensible (Touch) operation.
In another embodiment of the present invention, the comparer in the discriminance analysis unit 105 is through more said current sample value CS and approaching induction threshold value P
ThZ times and touch sensible threshold value T with long-term average LTA sum
ThAnd the relation between the z of long-term average LTA sum times is confirmed recognition result.Particularly, when said current sample value CS greater than touch sensible threshold value T
ThWith the z of long-term average LTA sum doubly, and smaller or equal near induction threshold value P
ThDuring with z times of long-term average LTA sum, recognition result is near induction (Proximity) operation, when said current sample value CS greater than near induction threshold value P
ThDuring with z times of long-term average LTA sum, recognition result is non-inductive operation, when said current sample value CS smaller or equal to touch sensible threshold value T
ThDuring with z times of long-term average LTA sum, recognition result is touch sensible (Touch) operation.In an embodiment of the present invention, said z is 75% or 87.5%.
Need to prove that the inventor finds, near with gradually away from the induction zone of said sensing unit the time, the situation that electric charge shifts can be different gradually for the operator.As operator during gradually away from the induction zone of said sensing unit, for example, when becoming near touch sensible by touch sensible, might there be a fluctuation in the CS value that records, causes follow-up recognition result not accurate enough.In the embodiments of the invention; Also comprise: apart from sensing unit (not shown); Be used for before carrying out touch operation, arriving the execution touch operation leaves the induction zone of sensing unit during this period of time distance according to the operator; Decision operation person is gradually near sensing unit or gradually away from sensing unit, as operator during gradually away from the induction zone of said sensing unit, more said current sample value with near induction threshold value P
ThZ times and touch sensible threshold value T with long-term average LTA sum
ThAnd the recognition result that obtains after the relation between the z of long-term average LTA sum times is more accurate.
Said identification control signal is used to send to power control unit, is beneficial to power control unit 107 control power supplys and gets into different other electric source modes of energy consumption level.In an embodiment of the present invention, said identification control signal is corresponding one by one with said recognition result, when recognition result is non-inductive operation, does not produce the identification control signal; When recognition result is during near inductive operation, produce near induced signal; When recognition result is the touch sensible operation, produce the touch sensible signal.
Said power control unit 107 is electrically connected with said discriminance analysis unit 105, comprises power supply 1071 and other electric source modes 1072 of a plurality of energy consumption levels.Said electric source modes 1072 is corresponding with said identification control signal; Be at least deep sleep mode, a kind of near in induction trigger mode or the touch sensible pattern; Wherein, The energy consumption of said deep sleep mode is less than said energy consumption near induction trigger mode and touch sensible pattern, and the energy consumption of said approaching induction trigger mode is less than the energy consumption of said touch sensible pattern.
Need to prove,, cut down the consumption of energy that in other embodiments of the invention, said power control unit 107 can also comprise 8 different other electric source modes of energy consumption level in order more accurately power supply to be controlled.
Said adaptive unit 109 is electrically connected with said discriminance analysis unit 105 and power control unit 107; Being used for receiving the identification control signal from power control unit 107 picks up counting; If said power control unit 107 does not also receive new identification control signal after the overtime threshold value, send other signal of level that cuts down the consumption of energy and give power control unit.Can effectively reduce power consumption.Avoid the said touching device of long-time touch, and do not carried out other whens operation, the situation of the power consumption that the power supply waste of touching device is unnecessary.
Said time threshold can be set according to actual conditions, for example said time threshold is made as 0-20 second (S).
In one embodiment of the invention, said time threshold is 17S.The operator touches on the induction zone surface; Touching device begins full speed operation, and this moment, electric source modes was the touch sensible pattern, has surpassed time threshold 17S when the time that touches on the induction zone surface; And the operator does not carry out other operations; Do not comprise induction zone carried out other operations, do not comprise yet other metal key-press on the metal touch panel are carried out other operations that 109 of adaptive units can send other signal of level that cuts down the consumption of energy and give power control unit 107 so; The control power supply gets into the electric source modes than low energy consumption, promptly gets near the induction trigger mode; In later time threshold value 17S; If the operator does not carry out touch operation to the induction zone of touching device or other metal key-press on the metal touch panel; Then adaptive unit 109 can send another other signal of level that cuts down the consumption of energy and give power control unit 107; The control power supply gets into the electric source modes of more low energy consumption, promptly gets into deep sleep mode, if in later time threshold value 17S; The operator carries out touch operation to the induction zone of touching device or other metal key-press on the metal touch panel, and then the power supply of touching device is by returning to the touch sensible pattern near the induction trigger mode.
Need to prove that for the structure that makes said touching device is compact more, in an embodiment of the present invention, said discriminance analysis unit, power control unit, adaptive unit all are arranged on the detecting plate.
The touching device of the embodiment of the invention; Comprise discriminance analysis unit, power control unit; Said discriminance analysis unit provides current sample value through detecting unit; Identify the kind of the touch operation of current executed, power control unit gets into corresponding other electric source modes of energy consumption level according to the kind control power supply of the touch operation of current executed, and the touching device of the embodiment of the invention also comprises adaptive unit; Can receive the identification control signal from power control unit picks up counting; If also do not receive new identification control signal at the said power control unit of overtime threshold value, send other signal of level that cuts down the consumption of energy and give power control unit, reduced the power consumption of touching device.
For the induction that makes said touching device more accurate; Also comprise storage unit in the said touching device; A plurality of current sample value in can the store predetermined time; Obtain long-term average according to said a plurality of current sample values, confirm near induction threshold value and touch sensible threshold value according to said long-term average again, with the different touch operation of more accurate identification.
Accordingly, the inventor of the embodiment of the invention also provides a kind of touching device adaptive approach, comprising:
Step S301 provides touching device, and said sensing unit is carried out touch operation;
Step S303 adopts detecting unit that said sensing unit is detected, and obtains and the corresponding current sample value of touch operation;
Step S305 adopts the discriminance analysis unit to obtain the said current sample value of detecting unit, discerns said touch operation, obtains recognition result, and produces the identification control signal;
Step S307, the identification control signal control power supply that adopts power control unit to provide according to said discriminance analysis unit gets into corresponding other electric source modes of energy consumption level;
Step S309 adopts adaptive unit after power control unit overtime threshold value, also not receive new identification control signal, sends other signal of level that cuts down the consumption of energy and gives power control unit.
Please refer to Fig. 4, touching device is provided, said touching device comprises the sensing unit 101 described in the foregoing description, detecting unit 103, discriminance analysis unit (not shown), power control unit (not shown) and adaptive unit (not shown).
Wherein, said sensing unit 101 is the switch of touching device, and said sensing unit 101 comprises induction zone 301, and said induction zone 301 is arranged in metal touch panel 300; With the electrode 303 that said induction zone 301 is oppositely arranged, said electrode 303 is arranged in detecting plate 305; Insulation course 307 between said induction zone 301 and electrode 303.
Said detecting unit 103 comprises: with the reference capacitance 311 that the electrode electricity of said sensing unit 101 is connected, be used to receive the electric charge that sensing unit 101 shifts; With the counting unit 313 that said reference capacitance 311 is electrically connected, the number of times that sensing unit 101 electric charges shift when being used for detecting said reference capacitance 311 and being filled obtains current sample value CS.
Said discriminance analysis unit is electrically connected with the counting unit 313 of said detecting unit 103, obtains current sample value CS, and the touch operation according to said current sample value CS identification current executed obtains recognition result, and produces the identification control signal.
Said power control unit is electrically connected with said discriminance analysis unit, comprises power supply and a plurality of other electric source modes of energy consumption level.Said electric source modes is corresponding with said identification control signal, is at least deep sleep mode, a kind of near in induction trigger mode or the touch sensible pattern.
Said adaptive unit is electrically connected with said discriminance analysis unit and power control unit; Being used for receiving the identification control signal from power control unit picks up counting; If said power control unit does not also receive new identification control signal after the overtime threshold value, send other signal of level that cuts down the consumption of energy and give power control unit.
Concrete condition please refer in the embodiment of the invention about the introduction of touching device, repeats no more at this.
Please refer to Fig. 4, said sensing unit is carried out touch operation, the induction zone 301 in 310 pairs of metal touch panels 300 of operator's (for example with finger) is carried out touch operation.Operator 310 static charge on one's body is transferred in the reference capacitance 311 of detecting unit 103 through sensing unit 101.
Please continue with reference to figure 4,103 pairs of said sensing units 101 of detecting unit detect, and obtain and the corresponding current sample value CS of touch operation.
The electric capacity of said reference capacitance 311 is less, adopts the electric capacity of pF level usually, and for example 0.5pF, so said reference capacitance 311 is easier to be full of by the electric charge that from sensing unit 101, shifts.In the embodiments of the invention, said reference capacitance 311 receives the electric charge that sensing unit 101 shifts, and the voltage (reference voltage) at two ends compared when the voltage at reference capacitance 311 two ends and said reference capacitance were full of, and learned whether said reference capacitance is full of; The electric charge number of times that said counting unit 313 can shift in the reference capacitance 311 of detecting unit 103 sensing unit 101 carries out record; The number of times that electric charge shifted in the sensing unit 101 when reference capacitance 311 was filled is designated as current sample value CS, and said current sample value CS is used for follow-up important evidence as the type of judging touch operation.
Need to prove; Consider that when the different moment, varying environment or different operating person carried out identical touch operation, the current sample value CS that obtains was also inequality, more accurate for touching device is judged operator's touch operation; In the said touching device through filters the influence of surrounding environment to touching device; And said touching device adaptive approach also comprises: a plurality of current sample value in the cell stores stipulated time; According to said a plurality of current sample values obtain long-term average (Long Term Average, LTA).Wherein, the said stipulated time is obtained through behind the long-term experiment by those skilled in the art, and when the said stipulated time was 2-5S, the long-term average that obtains (LTA) had reference value most.
Subsequently, the discriminance analysis unit obtains the said current sample value of detecting unit, discerns said touch operation, obtains recognition result, and produces the identification control signal.
Said discriminance analysis unit comprises reference unit and comparer.Wherein, said reference unit is used to provide near induction threshold value P
ThWith touch sensible threshold value T
Th, in an embodiment of the present invention, said near induction threshold value P
ThWith touch sensible threshold value T
Th(LTA) obtains according to long-term average.Said near induction threshold value P
ThFor the x of said long-term average doubly, said touch sensible threshold value T
ThFor the y of said long-term average doubly, wherein, said 0＜y＜x＜1.The inventor obtains when said near induction threshold value P through after studying
ThBe 5/16 of said long-term average, said touch sensible threshold value T
ThBe at 1/16 o'clock of said long-term average, follow-up judged result is the most accurate; Said comparer is used to judge current sample value CS and said near induction threshold value P
ThWith touch sensible threshold value T
ThBetween relation, or judge current sample value with near induction threshold value P
ThZ times and touch sensible threshold value T with long-term average LTA sum
ThAnd the relation between the z of long-term average LTA sum times, draw recognition result.
Said recognition result is non-inductive operation, a kind of near in the operation of inductive operation or touch sensible.
In one embodiment of the invention, the preparation method of said recognition result is: comparer obtains the approaching induction threshold value P that reference unit provides
ThWith touch sensible threshold value T
ThAnd the current sample value CS that provides of detecting unit, more current sample value CS and said near induction threshold value P
ThWith touch sensible threshold value T
ThBetween relation, when said current sample value CS greater than touch sensible threshold value T
Th, and smaller or equal to said approaching induction threshold value P
ThThe time, recognition result is near inductive operation, when said current sample value CS greater than near induction threshold value P
ThThe time, recognition result is non-inductive operation, when said current sample value CS smaller or equal to touch sensible threshold value T
ThThe time, recognition result is the touch sensible operation.
In another embodiment of the present invention, the preparation method of said recognition result is: comparer obtains the approaching induction threshold value P that reference unit provides
ThWith touch sensible threshold value T
Th, the current sample value CS that provides of the long-term average LTA that provides of storage unit and detecting unit, more said current sample value with near induction threshold value P
ThZ times and touch sensible threshold value T with long-term average LTA sum
ThAnd the relation of the z of long-term average LTA sum between doubly, when said current sample value CS greater than touch sensible threshold value T
ThWith the z of long-term average LTA sum doubly, and smaller or equal near induction threshold value P
ThDuring with z times of long-term average LTA sum, recognition result is near inductive operation, when said current sample value CS greater than near induction threshold value P
ThDuring with z times of long-term average LTA sum, recognition result is non-inductive operation, when said current sample value CS smaller or equal to touch sensible threshold value T
ThDuring with z times of long-term average LTA sum, recognition result is the touch sensible operation.Wherein, said is 5/16 of said long-term average near the induction threshold value, and said touch sensible threshold value is 1/16 of a said long-term average; Said z is 75% or 87.5%.
Need to prove that the inventor finds, near with gradually away from the induction zone of said sensing unit the time, the situation that electric charge shifts can be different gradually for the operator.As operator during gradually away from the induction zone of said sensing unit, for example, when becoming near touch sensible by touch sensible, might there be a fluctuation in the CS value that records, causes follow-up recognition result not accurate enough.The inventor is through after further studying; Find; Also need arrive before carrying out touch operation according to the operator and carry out touch operation leaves the induction zone of sensing unit during this period of time distance apart from sensing unit; Decision operation person is gradually near sensing unit or gradually away from sensing unit, and judged result is sent to the discriminance analysis unit.As operator during gradually away from the induction zone of said sensing unit, the more said current sample value in discriminance analysis unit with near induction threshold value P
ThZ times and touch sensible threshold value T with long-term average LTA sum
ThAnd the recognition result that obtains after the relation between the z of long-term average LTA sum times is more accurate.
The recognition result that said discriminance analysis unit obtains according to comparer produces said identification control signal, and said identification control signal is corresponding with said recognition result, a kind of near in induced signal or the touch sensible signal.
Said power control unit gets into corresponding other electric source modes of energy consumption level according to said identification control signal control power supply after receiving the identification control signal that said discriminance analysis unit provides.Said electric source modes is corresponding with said identification control signal; Be at least deep sleep mode, a kind of near in induction trigger mode or the touch sensible pattern; The energy consumption of said deep sleep mode is less than said energy consumption near induction trigger mode and touch sensible pattern, and the energy consumption of said approaching induction trigger mode is less than the energy consumption of said touch sensible pattern.For example, when recognition result was non-inductive touch, electric source modes was a deep sleep mode; Perhaps recognition result is during near touch sensitive, and electric source modes is near the induction trigger mode; When perhaps recognition result was touch sensible, said electric source modes was the touch sensible pattern.
Need to prove in other embodiments of the invention, can also have more other electric source modes of multipotency consumption level, for example 8, can control the energy consumption of touching device more accurately, be more conducive to energy-conservation.
Said adaptive unit picks up counting after power control unit receives an identification control signal; If also do not receive new identification control signal after the power control unit overtime threshold value; Then can send other signal of level that cuts down the consumption of energy and give power control unit; Make power supply get into electric source modes,, cut down the consumption of energy to save energy than the lower one-level of current energy consumption rank.
Said time threshold can be set according to actual conditions by those skilled in the art or operator, and said time threshold is 0-20S.In an embodiment of the present invention, said time threshold is made as 17S.In one embodiment of the invention, the operator touches on the induction zone surface, and touching device begins full speed operation; This moment, electric source modes was the touch sensible pattern; Surpassed time threshold 17S when the time that touches on the induction zone surface, and the operator does not carry out other operations, comprises induction zone not being carried out other operations; Do not comprise yet other metal key-press on the metal touch panel are carried out other operations; Adaptive unit then can send other signal of level that cuts down the consumption of energy and give power control unit so, and the control power supply gets into the electric source modes than low energy consumption; In later time threshold value 17S; If the operator does not carry out touch operation to the induction zone of touching device or other metal key-press on the metal touch panel; Then adaptive unit can send another other signal of level that cuts down the consumption of energy and give power control unit; The control power supply gets into the electric source modes of more low energy consumption; If in later time threshold value 17S, the operator carries out touch operation to the induction zone of touching device or other metal key-press on the metal touch panel, and then the power supply of touching device is by returning to the touch sensible pattern near the induction trigger mode.
The touching device adaptive approach of the embodiment of the invention; After power control unit receives the identification control signal; Adaptive unit picks up counting, if the overtime threshold value does not also receive new identification control signal, then adaptive unit can cut down the consumption of energy other signal of level to power control unit; Start a electric source modes, can effectively reduce power consumption than low energy consumption.Avoid the said touching device of long-time touch, and do not carried out other whens operation, the situation of the power consumption that the power supply waste of touching device is unnecessary.If in time threshold, carried out other touch operation, power control unit receives the identification control signal, and then adaptive unit can not send other signal of level that cuts down the consumption of energy and give power control unit.
To sum up; The touching device of the embodiment of the invention; Comprise discriminance analysis unit, power control unit, said discriminance analysis unit provides current sample value through detecting unit, identifies the kind of the touch operation of current executed; Power control unit gets into corresponding other electric source modes of energy consumption level according to the kind control power supply of the touch operation of current executed; And the touching device of the embodiment of the invention also comprises adaptive unit, can receive the identification control signal from power control unit and pick up counting, if also do not receive new identification control signal at the said power control unit of overtime threshold value; Transmission cuts down the consumption of energy other signal of level to power control unit, has reduced the power consumption of touching device.
For the induction that makes said touching device more accurate; Also comprise storage unit in the said touching device; A plurality of current sample value in can the store predetermined time; Obtain long-term average according to said a plurality of current sample values, confirm near induction threshold value and touch sensible threshold value according to said long-term average again, with the different touch operation of more accurate identification.
In the touching device adaptive approach of the embodiment of the invention; Adaptive unit is after power control unit receives the identification control signal; Pick up counting, when the overtime threshold value does not also receive new identification control signal, then adaptive unit other signal of level that can cut down the consumption of energy is given power control unit; Start a electric source modes, can effectively reduce power consumption than low energy consumption.Avoid the said touching device of long-time touch, and do not carried out other whens operation, the situation of the power consumption that the power supply waste of touching device is unnecessary.
Though the present invention with preferred embodiment openly as above; But it is not to be used for limiting the present invention; Any those skilled in the art are not breaking away from the spirit and scope of the present invention; Can utilize the method and the technology contents of above-mentioned announcement that technical scheme of the present invention is made possible change and modification, therefore, every content that does not break away from technical scheme of the present invention; To any simple modification, equivalent variations and modification that above embodiment did, all belong to the protection domain of technical scheme of the present invention according to technical spirit of the present invention.
Claims (26)
1. touching device comprises:
Sensing unit is used to respond to the touch operation of current executed;
It is characterized in that, also comprise:
Detecting unit is electrically connected with said sensing unit, is used to detect and the corresponding current sample value of the touch operation of current executed;
The discriminance analysis unit, the touch operation according to said current sample value identification current executed obtains recognition result, and produces the identification control signal;
Power control unit comprises power supply and a plurality of other electric source modes of energy consumption level, gets into corresponding other electric source modes of energy consumption level according to said identification control signal control power supply;
Adaptive unit receives the identification control signal from power control unit and picks up counting, if said power control unit does not also receive new identification control signal after the overtime threshold value, sends other signal of level that cuts down the consumption of energy and gives power control unit.
2. touching device as claimed in claim 1 is characterized in that said sensing unit comprises: induction zone; The electrode that is oppositely arranged with said induction zone; Insulation course between said induction zone and electrode.
3. touching device as claimed in claim 1 is characterized in that, said induction zone is the switch of touching device.
4. touching device as claimed in claim 1 is characterized in that, said detecting unit comprises: with the reference capacitance that said sensing unit is electrically connected, be used to receive the electric charge that sensing unit shifts; With the counting unit that said reference capacitance is electrically connected, the number of times that the sensing unit electric charge shifts when being used for detecting said reference capacitance and being filled obtains current sample value.
5. touching device as claimed in claim 1 is characterized in that, also comprises: storage unit, a plurality of current sample value in the store predetermined time obtains long-term average according to said a plurality of current sample values.
6. touching device as claimed in claim 5 is characterized in that, said discriminance analysis unit comprises: reference unit is used to provide near induction threshold value and touch sensible threshold value; Comparer compares with said current sample value with near induction threshold value or touch sensible threshold value.
7. touching device as claimed in claim 6 is characterized in that, said approaching induction threshold value is x a times of said long-term average, the y that said touch sensible threshold value is said long-term average times, wherein, said 0＜y＜x＜1.
8. touching device as claimed in claim 6 is characterized in that, said is 5/16 of said long-term average near the induction threshold value, and said touch sensible threshold value is 1/16 of a said long-term average.
9. touching device as claimed in claim 5 is characterized in that, said discriminance analysis unit comprises: reference unit is used to provide near induction threshold value, touch sensible threshold value and long-term average; Comparer doubly compares said current sample value and approaching induction threshold value and long-term average sum z times or the z of touch sensible threshold value and long-term average sum.
10. touching device as claimed in claim 9 is characterized in that, said z is 75% or 87.5%.
11. touching device as claimed in claim 1; It is characterized in that; Also comprise: apart from sensing unit; Be used for according to the operator before carrying out touch operation to carrying out touch operation leaves the induction zone of sensing unit during this period of time distance, decision operation person is gradually near sensing unit or gradually away from sensing unit, and judged result is sent to the discriminance analysis unit.
12. touching device as claimed in claim 1 is characterized in that, said recognition result is non-inductive operation, operates near inductive operation or touch sensible.
13. touching device as claimed in claim 1 is characterized in that, said identification control signal is corresponding with said recognition result, near induced signal or touch sensible signal.
14. touching device as claimed in claim 1; It is characterized in that; Said electric source modes is corresponding with said identification control signal; Be at least deep sleep mode, approaching induction trigger mode or touch sensible pattern, the energy consumption of said deep sleep mode is less than said energy consumption near induction trigger mode and touch sensible pattern, and the said approaching energy consumption of responding to the energy consumption of trigger mode less than said touch sensible pattern.
15. touching device as claimed in claim 1 is characterized in that, said power control unit comprises 8 different other electric source modes of energy consumption level.
16. the touching device adaptive approach of each described touching device among employing such as the claim 1-15 comprises:
Touching device is provided, said sensing unit is carried out touch operation;
It is characterized in that, also comprise:
Adopt detecting unit that said sensing unit is detected, obtain and the corresponding current sample value of touch operation;
Adopt the discriminance analysis unit to obtain the said current sample value of detecting unit, discern said touch operation, obtain recognition result, and produce the identification control signal;
The identification control signal control power supply that adopts power control unit to provide according to said discriminance analysis unit gets into corresponding other electric source modes of energy consumption level;
Adopt adaptive unit to receive the identification control signal and pick up counting, after power control unit overtime threshold value, also do not receive new identification control signal, send other signal of level that cuts down the consumption of energy and give power control unit from power control unit.
17. touching device adaptive approach as claimed in claim 16; It is characterized in that; Obtain comprising with the step of the corresponding said current sample value of touch operation: reference capacitance receives the electric charge that sensing unit shifts; The number of times that electric charge shifted in the sensing unit when counting unit detected said reference capacitance and is filled, the number of times that said electric charge is shifted is as current sample value.
18. touching device adaptive approach as claimed in claim 17 is characterized in that, also comprises: a plurality of current sample value in the cell stores stipulated time obtains long-term average according to said a plurality of current sample values.
19. touching device adaptive approach as claimed in claim 18 is characterized in that, the said stipulated time is 2-5 second.
20. touching device adaptive approach as claimed in claim 18; It is characterized in that; Also comprise: approaching induction threshold value and touch sensible threshold value that reference unit provides, said approaching induction threshold value are x times of said long-term average, the y that said touch sensible threshold value is said long-term average times; Wherein, said 0＜y＜x＜1.
21. touching device adaptive approach as claimed in claim 18 is characterized in that, said is 5/16 of said long-term average near the induction threshold value, and said touch sensible threshold value is 1/16 of a said long-term average.
22. like claim 20 or 21 described touching device adaptive approachs; It is characterized in that the preparation method of said recognition result is: the current sample value that comparer comparison detecting unit obtains and near the relation between induction threshold value and the touch sensible threshold value, when said current sample value greater than the touch sensible threshold value; And smaller or equal to said near induction during threshold value; Recognition result is near inductive operation, when said current sample value greater than near induction during threshold value, recognition result is non-inductive operation; When said current sample value during smaller or equal to the touch sensible threshold value, recognition result is the touch sensible operation.
23. like claim 20 or 21 described touching device adaptive approachs; It is characterized in that; The preparation method of said recognition result is: the more said current sample value of comparer and near the z of induction threshold value and long-term average sum doubly and the relation of the z of touch sensible threshold value and long-term average sum between doubly; When said current sample value greater than the z of touch sensible threshold value and long-term average sum doubly, and smaller or equal near induction threshold value and long-term average sum z times the time, recognition result is near inductive operation; When said current sample value greater than near induction threshold value and long-term average sum z times the time; Recognition result is non-inductive operation, and when said current sample value during smaller or equal to touch sensible threshold value and long-term average sum z times, recognition result is the touch sensible operation.
24. touching device adaptive approach as claimed in claim 23 is characterized in that, said z is 75% or 87.5%.
25. touching device adaptive approach as claimed in claim 16; It is characterized in that; Also comprise: adopt apart from sensing unit and before carrying out touch operation, arrive the execution touch operation leaves the induction zone of sensing unit during this period of time distance according to the operator; Decision operation person is gradually near sensing unit or gradually away from sensing unit, and judged result is sent to the discriminance analysis unit.
26. touching device adaptive approach as claimed in claim 16 is characterized in that, said time threshold is 0-20 second.
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| CN201110352823.7A CN102364409B (en) | 2011-11-09 | 2011-11-09 | Touch device and adaptive method thereof |
| PCT/CN2011/083041 WO2013067723A1 (en) | 2011-11-09 | 2011-11-28 | Touch device and adaptive method thereof |
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| CN106371754A (en) * | 2016-08-31 | 2017-02-01 | 成都前锋电子仪器有限责任公司 | Environment self-adaptive algorithm of capacitive touch button |
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