CN101365197A - Energy consumption control method for positioning terminal and positioning terminal applying the method - Google Patents
Energy consumption control method for positioning terminal and positioning terminal applying the method Download PDFInfo
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- CN101365197A CN101365197A CNA2008101393680A CN200810139368A CN101365197A CN 101365197 A CN101365197 A CN 101365197A CN A2008101393680 A CNA2008101393680 A CN A2008101393680A CN 200810139368 A CN200810139368 A CN 200810139368A CN 101365197 A CN101365197 A CN 101365197A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a method for controlling the power consumption of a positioning terminal. The method comprises the following steps: a. determining whether the position change of the positioning terminal occurs in a preset time, if yes, resetting the timer, and if not, carrying out step b; b. entering a sleeping state of the positioning terminal. Due to the definition of the actual working time to the positioning terminal in the invention, when the position of the positioning terminal is not changed, stopping the positioning operation so as to reduce the power consumption; and when the position of the positioning terminal is changed again, triggering the terminal to return to the working state so as to greatly reduce the power consumption on the premise that the positioning operation is not delayed, thereby greatly prolonging the stand-by time. The invention also discloses a positioning terminal.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of locating terminal power consumption control method and use this method locating terminal.
Background technology
The GPS locating terminal has more and more been received people's favor as a kind of small and exquisite practical tool.
For the user, not only its locating accuracy and speed become the key element of selection, and the stand-by time of its terminal equally also is that the user pays close attention to factor.The length of stand-by time has directly determined the time that this Terminal Type can continuous firing.In today that the service of LBS (Location Based Service) shift position is risen gradually, various GPS terminals are penetrated into our daily life just widely, industries such as picture logistics, traffic are such as the tracking of luggage parcel, the tracking of vehicle, monitoring of special population or the like.With long-distance logistics is example, if the client need understand the positional information of logistics at any time, the GPS locating terminal of client's use just needs good flying power so.This moment, the stand-by time of this locating terminal just seemed particularly important.
In existing locating terminal design, the method that improves the locating terminal stand-by time is nothing but two kinds.First kind of thinking is to strengthen battery capacity.But the development of lithium-ion electric core technology also hastens towards saturation day in the world at present, and volumetric ratio is constant gradually, and promptly its capacity of electric core of equal volume is more or less the same, and comprises lithium ion polymer electricity core.This just means that the battery capacity of the locating terminal of equal volume size is suitable, does not have too big difference.If use jumbo electric core, the outward appearance of this terminal will seem clumsy so, and the user uses and also can seem inconvenient, has also just lost the small and exquisite portable advantage of this Terminal Type.
Second kind of thinking is to reduce the stand-by power consumption of system to greatest extent, but in today of mobile technology prosperity, the difference of the stand-by power consumption between each platform of each producer is also very nearly the same, almost the space that does not reduce significantly.
Therefore, conventional method can't promote the locating terminal stand-by time significantly, demands occurring a kind of efficient, practical method that can promote the locating terminal stand-by time urgently.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of locating terminal that can realize long-time standby.
In order to solve the problems of the technologies described above, the present invention proposes a kind of locating terminal power consumption control method, may further comprise the steps:
Whether a, judgement described locating terminal in Preset Time have change in location, if having, and then with the timer zero clearing, otherwise, execution in step b;
B, described locating terminal enter resting state.
Wherein, also comprise step c behind the step b:
C, when described locating terminal is in resting state, whether have change in location, if having, then wake described locating terminal up if still monitoring described locating terminal.
Concrete, judge among the step a that whether described locating terminal has change in location is by the setting first threshold, when the amount of described change in location reaches described first threshold, think that then the position changes, otherwise think the position no change.
Preferably, the change in location that detects described locating terminal among the step a is to detect by acceleration transducer, and this acceleration transducer detects the acceleration change of described locating terminal, thereby reflects the change in location of described locating terminal indirectly.
Wherein, the change in location of the described locating terminal of detection among the step c is to detect by acceleration transducer, and this acceleration transducer detects the acceleration change of described locating terminal, thereby reflects the change in location of described locating terminal indirectly.
Accordingly, in order to solve the problems of the technologies described above, the present invention also proposes a kind of locating terminal, comprises positioning unit, Power Management Unit, also comprises change in location detecting unit and timer;
Described positioning unit is as the part of general realization positioning function;
Described change in location detecting unit is used to detect the change in location of described locating terminal;
Described timer is used for timing, to determine whether described locating terminal needs to enter resting state;
Described Power Management Unit is used for providing suitable operating voltage to each part of described locating terminal;
Wherein, when described locating terminal is in running order, described change in location detecting unit is after described timer arrives setting-up time, and the position that does not detect described locating terminal yet changes, and then described timer just triggers described locating terminal and enters resting state; Under this resting state, described positioning unit quits work, and described change in location detecting unit is still worked.
Wherein, after described locating terminal enters resting state, described change in location detecting unit still detects the change in location of described locating terminal, if detected change in location, then send signal with described timer zero clearing to described positioning unit, and it wakes described positioning unit up to send signal triggering to described Power Management Unit simultaneously, thereby makes described locating terminal enter operating state.
In addition, described change in location detecting unit judges that whether described locating terminal has change in location is by setting first threshold, when the amount of described change in location reaches described first threshold, think that then the position changes, otherwise thinks the position no change.
Preferably, described change in location detecting unit is an acceleration transducer;
The acceleration change of the described locating terminal of described acceleration transducer perception, thereby the change in location of the indirect described locating terminal of reflection.
Preferably, described locating terminal is the GPS locating terminal.
Among the present invention,, when the position of locating terminal (yet comprising the equipment of being positioned) does not change, then stop the work of its localization part, thereby cut down the consumption of energy because the running time of locating terminal is defined; And change once more then when the position of locating terminal, then trigger its state of resuming work, thereby under the prerequisite that does not delay location work, greatly reduce energy consumption, make stand-by time prolong greatly.
In addition, owing to adopted acceleration transducer, its volume is less and easy to use, thereby makes the volume of locating terminal not change substantially when realizing long-time standby.
Description of drawings
Fig. 1 is the structured flowchart of an embodiment of a kind of locating terminal of the present invention;
Fig. 2 is the structural representation of an embodiment of middle acceleration transducer embodiment illustrated in fig. 1;
Fig. 3 is based on an embodiment of the circuit theory diagrams of block diagram embodiment illustrated in fig. 1;
Fig. 4 is the flow chart of a kind of locating terminal power consumption control method of the present invention.
Embodiment
At first, briefly set forth principle of the present invention.
Among the present invention, owing to be provided with the checkout gear of change in location, thus whether the position that detects locating terminal that can be real-time changes, if do not change in the time of setting, then controls described locating terminal and enters resting state, thereby cut down the consumption of energy.And under the state of dormancy, described checkout gear still detects the change in location of this locating terminal, if occurrence positions changes, then wakes described locating terminal up and enters operating state.
The present invention will be described in detail below in conjunction with accompanying drawing.
With reference to figure 1, illustrate the structured flowchart of an embodiment of a kind of locating terminal of the present invention.As shown in the figure, comprise positioning unit 11, timer 12, acceleration transducer 13 and Power Management Unit 13.
Wherein, described positioning unit 11 is as a comparatively ripe general localization part, and its function is to realize the location, and it can adopt any part with positioning function existing or that may occur in the future, thereby its structure does not describe in detail at this;
Described timer 12 is used for carrying out timing the quiescent time of this locating terminal, also promptly when the position of described locating terminal do not change reach the time of setting after, just trigger its dormancy; And, after described timer 12 is received the feedback of described locating terminal change in location, just timing is operated zero clearing, reclocking;
Described acceleration transducer 13 is used to detect the change in location of described locating terminal.Its course of work is, when the position of described locating terminal changes, then must cause it to produce certain acceleration in certain direction at least, and this acceleration is by 13 perception of described acceleration transducer, and then can reflects that variation has taken place in the position of described locating terminal.An embodiment of described acceleration transducer 13 can be with reference to embodiment illustrated in fig. 2, and the acceleration transducer of its numeric type can be with reference to the associated description in embodiment illustrated in fig. 3.
Described Power Management Unit 14 is used for providing suitable operating voltage so that its operate as normal to described positioning unit 11, timer 12, acceleration transducer 13.Wherein, described acceleration transducer 13 is directly powered by described Power Management Unit 14, thereby also can monitor the change in location of described locating terminal after described positioning unit dormancy.Then by the indirect power supply of positioning unit 11, after described positioning unit dormancy, described timer 12 also quits work described timer 12, thereby further cuts down the consumption of energy.
Wherein, when described locating terminal during in normal operating conditions, described acceleration transducer 13 constantly detects the change in location of described locating terminal, change if detect the position, then the 12 timing zero clearings of triggering timing device are (when described locating terminal is in running order, 12 of described timers are in time status always), reclocking.
And, when detecting described locating terminal, described acceleration transducer 13 (carries out timing by described timer 12 in the time of setting, do not receive reset signal when reaching described setting-up time, then think no change in location in the described setting-up time) in do not detect change in location, then trigger described positioning unit 11 and enter resting state.Before dormancy, described positioning unit 11 needs to report earlier current location, just dormancy afterwards.
In the resting state of described locating terminal, described acceleration transducer 13 also constantly detects the change in location of described locating terminal, after the position that detects described locating terminal changes, then send interrupt signal output to described Power Management Unit 14, after described Power Management Unit 14 was received this signal, then the pin that wakes up to described positioning unit 11 applied suitable level and enters operating state to trigger its start.
In addition, in a preferred embodiment of the present invention, described acceleration transducer 13 is not to detect any small change in location generation to think that just the position of described locating terminal changes, but a first threshold is set, (amount of reflection change in location can be the voltage of the corresponding generation of change in location institute, the variation of current value etc. when detected change in location, concrete can be with reference to embodiment illustrated in fig. 2) amount reached described first threshold, think that then variation has taken place in the position, otherwise think that the position does not change.Described first threshold can be the corresponding magnitude of voltage of change in location or the threshold value of current value etc. of characterizing.
In addition, described locating terminal preferably can be the GPS locating terminal.Described positioning unit 11 also is connected with antenna, to carry out communication with outside position location satellite etc.
Need to prove, the resting state of the locating terminal described in this embodiment is meant that positioning unit 11 quits work, and timer 12 quits work, described acceleration transducer 13 then keeps operating state, and the change in location of described locating terminal is detected.
In addition, because on the equipment that locating terminal must be fixed and be positioned, thereby the change in location at locating terminal detects in this embodiment, that is to say the detection to the change in location of the equipment of being positioned.
Described acceleration transducer 13 can adopt built-in or external, but no matter is built-in or external, and it all realizes the change in location measuring ability, all belongs to protection scope of the present invention.
With reference to figure 2, illustrate the structural representation of an embodiment of middle acceleration transducer embodiment illustrated in fig. 1.As shown in the figure, comprise fixing point 131, spring 132, stator 133 and 134, moving sheet 135.
Wherein, described fixing point 131 is used for fixing described spring 132, and described moving sheet 135 is arranged at the middle part of described spring 132, when change in location, described spring is also wanted corresponding changing, thereby drives moving sheet 135 translation between described two stators 133 and 134.
Its principle is, after translation takes place in the position of described moving sheet 135, distance between described moving sheet 135 and described stator 133 and 134 also changes, thereby make the electric capacity between moving sheet 135 and described stator 134 and 133 change, thereby cause the variation of both end voltage, the variation of acceleration keeps linear relationship one to one with regard to energy and output voltage like this, thereby can characterize the variation of described position.
For example, for Fig. 2, when rocking of the external world causes moving on the moving sheet 135, distance between moving sheet 135 and the stator 133 diminishes at this moment, and and the distance between the stator 134 become big, thereby make the electric capacity between stator 133 and the moving sheet 135 change, electric capacity between stator 134 and the moving sheet 135 changes, and these two changes in capacitance can be converted to the variation of voltage, thereby can characterize the variation of acceleration by voltage, and then characterize the variation of position.
With reference to figure 3, illustrate a embodiment based on the circuit theory diagrams of block diagram embodiment illustrated in fig. 1.As shown in the figure, comprise digital acceleration sensor IC1 and NAND gate IC2.
Wherein, 13 of digital acceleration sensor IC1 and 14 pins are I
2The C bus pin, its CPU with described positioning unit 11 is connected, and being controlled by described CPU, the parameter of described digital acceleration sensor IC1 and precision etc. is configured.
The power pins 1 of described digital acceleration sensor IC1 is connected the stabilized voltage power supply of 2.6V with 6, the power pins 5 of same described NAND gate IC2 also connects the stabilized voltage power supply of 2.6V, the stabilized voltage power supply of described 2.6V is directly provided by described Power Management Unit 14, thereby guarantee that described locating terminal is after dormancy, described digital acceleration sensor IC1 and NAND gate IC2 all can operate as normal, with the monitoring and the wake operation of carrying out change in location.
The power pins 1 of described digital acceleration sensor IC1 is connected two filter capacitors of C1, C2 with 6; Grounding pin 2,4,5,10 equal ground connection; Keep the stabilized voltage power supply that pin 3 connects 2.6V, another keeps then ground connection of pin 11; Its CS end connects the stabilized voltage power supply of described 2.6V, to select I
2The C communication pattern, and put when low when this pin, then the SPI communication pattern is selected in expression.
8,9 pins of described digital acceleration sensor IC1 are for interrupting output pin, wherein pin 8 is reserved, and pin 9 is divided into two-way, one the tunnel connects the CPU of described positioning unit 11, with when described positioning unit 11 is in running order, detect the signal of change in location to described positioning unit 11 transmissions, thereby impel the described timer 12 of positioning unit 11 zero clearings.And another road connects 1,2 pins of described NAND gate IC2, and the low level signal of exporting through this NAND gate IC2 exports Power Management Unit 14 to by pin 4, and described unit 11 normal boot-straps that are decided to be of these Power Management Unit 14 controls enter operating state.
Wherein, described 8,9 pins are connected the stabilized voltage power supply of described 2.6V respectively with R5 by pull-up resistor R4, and described 8,9 pins also connect resistance R 3 and R2 respectively simultaneously.
What deserves to be explained is and since described Power Management Unit 14 and described positioning unit 11 be those skilled in the art common technology and means, thereby be not further detailed at this.
With reference to figure 4, illustrate the flow chart of a kind of locating terminal power consumption control method of the present invention.As shown in the figure, may further comprise the steps:
Step S41, start works on power.At this moment, the localization part of described locating terminal and position detection part are all in running order;
Step S42 detects and to have or not change in location, if having, and execution in step S43 then, otherwise execution in step S44.
Detection has or not change in location in this step, can detect by acceleration transducer; In a preferred embodiment of the present invention, can set a first threshold, when the described first threshold of the detected location variation no show of described acceleration transducer, think that then the position does not change, if reached, think that then the position changes.
Wherein, utilizing described acceleration transducer to carry out the concrete course of work that change in location detects can be with reference to associated description above.
Step S43, the timer zero clearing.
That is, after described locating terminal start work, if step S42 detected change in location, illustrate locating terminal be in mobile in, thereby do not need dormancy, so then with the timer zero clearing, with reclocking;
Step S44 judges whether to reach setting-up time, if, execution in step S35 then, otherwise execution in step S42.
In this step, when the position that does not detect described locating terminal changes, then detect again and whether reached setting-up time (this setting-up time is default time value, and it can pass through described I as required
2C interface is configured modification), just whether the time that described timer write down has reached setting-up time, if, show that then can control described locating terminal enters resting state, otherwise, then continue to detect the variation that has or not the position.
Step S45, dormancy.
That is, described locating terminal does not have change in location in the setting-up time when step S44 detects, and then controls it by this step and enters resting state, concrete, this step at first needed to report the current location of described locating terminal before entering resting state, after report finishes, then enter resting state;
Step S46, whether monitoring has a change in location, if having, execution in step S47 then, otherwise, then monitor always;
Equally, the detection of the change in location of this step can realize that also concrete situation can be with reference to text description above by the judgement of acceleration transducer to first threshold;
Step S47 wakes locating terminal up.
That is,,, just this locating terminal is waken up in case detected change in location when described locating terminal is in resting state following time.Concrete, can send the interrupt signal of waking up by described acceleration transducer (as the change in location detecting unit), the positioning unit of the described locating terminal of this signal triggering is started shooting again and is entered operating state, promptly carries out to step S41;
Afterwards, just constantly repeat this circulation.
Need to prove that described locating terminal enters resting state, only be that the part of its positioning function and clocking capability enters resting state, and the part of its change in location measuring ability is in running order always, to monitor the variation that has or not the position at any time.
In addition, can not repeat to set forth for the part that repeats with reference to the related text of previous embodiment for description embodiment illustrated in fig. 4.
It should be noted that, change in location detecting unit of the present invention is not limited to the acceleration transducer in this embodiment, it can also adopt other any device that can the detection position changes, key point of the present invention is to adopt the checkout gear of this change in location, this device is partly combined with positioning function, thereby the realization dormancy is with prolongs standby time.Thereby the checkout gear that adopts which kind of change in location is all in protection scope of the present invention.
Above disclosed is a kind of preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. locating terminal power consumption control method may further comprise the steps:
Whether a, judgement described locating terminal in Preset Time have change in location, if having, and then with the timer zero clearing, otherwise, execution in step b;
B, described locating terminal enter resting state.
2. method according to claim 1 is characterized in that, also comprises step c behind the step b:
C, when described locating terminal is in resting state, whether have change in location, if having, then wake described locating terminal up if still monitoring described locating terminal.
3. method according to claim 1 and 2, it is characterized in that, judge among the step a that whether described locating terminal has change in location is by setting first threshold, when the amount of described change in location reaches described first threshold, think that then the position changes, otherwise think the position no change.
4. method according to claim 1 and 2, it is characterized in that, the change in location that detects described locating terminal among the step a is to detect by acceleration transducer, and this acceleration transducer detects the acceleration change of described locating terminal, thereby reflects the change in location of described locating terminal indirectly.
5. method according to claim 2, it is characterized in that, the change in location of the described locating terminal of detection among the step c is to detect by acceleration transducer, and this acceleration transducer detects the acceleration change of described locating terminal, thereby reflects the change in location of described locating terminal indirectly.
6. a locating terminal comprises positioning unit, Power Management Unit, it is characterized in that, also comprises change in location detecting unit and timer;
Described positioning unit is as the part of general realization positioning function;
Described change in location detecting unit is used to detect the change in location of described locating terminal;
Described timer is used for timing, to determine whether described locating terminal needs to enter resting state;
Described Power Management Unit is used for providing suitable operating voltage to each part of described locating terminal;
Wherein, when described locating terminal is in running order, described change in location detecting unit is after described timer arrives setting-up time, and the position that does not detect described locating terminal yet changes, and then described timer just triggers described locating terminal and enters resting state.
7. locating terminal according to claim 6, it is characterized in that, after described locating terminal enters resting state, described change in location detecting unit still detects the change in location of described locating terminal, if detected change in location, then send signal with described timer zero clearing, and it wakes described positioning unit up to send signal triggering to described Power Management Unit simultaneously, thereby make described locating terminal enter operating state to described positioning unit.
8. locating terminal according to claim 6, it is characterized in that, described change in location detecting unit judges that whether described locating terminal has change in location is by setting first threshold, when the amount of described change in location reaches described first threshold, think that then the position changes, otherwise think the position no change.
9. according to each described locating terminal in the claim 6 to 8, it is characterized in that described change in location detecting unit is an acceleration transducer;
The acceleration change of the described locating terminal of described acceleration transducer perception, thereby the change in location of the indirect described locating terminal of reflection.
10. according to each described locating terminal in the claim 6 to 8, it is characterized in that described locating terminal is the GPS locating terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008101393680A CN101365197A (en) | 2008-08-29 | 2008-08-29 | Energy consumption control method for positioning terminal and positioning terminal applying the method |
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| CNA2008101393680A CN101365197A (en) | 2008-08-29 | 2008-08-29 | Energy consumption control method for positioning terminal and positioning terminal applying the method |
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Address after: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Applicant after: Qingdao Hisense Mobile Communication Technology Co., Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Applicant before: Qingdao Hisense Mobile Communication Technology Co., Ltd. |
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Application publication date: 20090211 |