CN100548407C - Air flow change indicator - Google Patents
Air flow change indicator Download PDFInfo
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- CN100548407C CN100548407C CNB2005100849705A CN200510084970A CN100548407C CN 100548407 C CN100548407 C CN 100548407C CN B2005100849705 A CNB2005100849705 A CN B2005100849705A CN 200510084970 A CN200510084970 A CN 200510084970A CN 100548407 C CN100548407 C CN 100548407C
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- air flow
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Abstract
A kind of air flow change indicator, in order to cooperate a gas generator to use, but air flow change indicator comprise the housing, of the gas communication of supplied gas generator output be located in the housing and have one can activity displacement with air-flow circulation indicating member, be located in the housing and can indicate the humidity indicating member of airflow humidity situation, an and pressure release unit of being located on the housing with change color; The pressure release unit has the relief valve that can in good time open when the intravital air pressure of shell is excessive, and one can provide the shell relief hole that intravital high pressure draught disengages after relief valve is opened; Provide user observation to understand airflow situation, humidity whereby, and the effect that pressure release more can be provided when air pressure is excessive in good time and warn with birdie.
Description
[technical field]
The present invention relates to a kind of air flow change indicator, particularly relate to and a kind ofly be available for users to observation and understand airflow situation, humidity, and when air pressure is excessive pressure release more in good time and the air flow change indicator warned with birdie.
[background technology]
The design of in the past breathing supply includes normally that an oxygen supply source, is located on the oxygen supply source and the control valve, that can regulate oxygen output and air pressure size is located on the control valve carrier pipe in order to transmission oxygen, and a face shield of being located at the carrier pipe other end.In the use, as long as the face shield cover is placed patient's mouth and nose place, open the oxygen supply source after, oxygen is satisfied by control valve output, reaches the face shield place through the transmission of carrier pipe and smokes for the patient.In addition, can be provided with an effusion meter on the control valve of some breathing supply, with the output flow of indication air-flow.But there is no any device design about indication airflow humidity situation because of breathe supply in the past, therefore, the nursing staff often is difficult to judge the humidity conditions of air-flow, the too high or too low discomfort that all can cause patient respiratory of humidity in the air-flow, especially for unconscious patient, also can't initiatively inform the nursing staff even breathe discomfort, therefore have the problem of safety in utilization.
[summary of the invention]
The object of the present invention is to provide a kind of can observation simultaneously to understand airflow situation, humidity for user, and pressure release more in good time and to produce the air flow change indicator that birdie is warned when air pressure is excessive.
A kind of air flow change indicator of the present invention uses in order to cooperate the gas generator that can export gas; It is characterized in that: comprise:
One housing, input, with air feed stream input is positioned at outfan, that described input tosses about and is positioned at chamber between described input and described outfan, and the hyalomere of the interior situation of a described chamber of confession observation, this housing also has a groove seat, and this groove seat bottom surface is provided with a bleeder port that can be communicated with chamber;
One circulation indicating member is located in the described chamber, and has one and change the indication piece produce change in location because of air-flow velocity;
One humidity indicating member is located in the described housing and in order to the airflow humidity in the described chamber of sensing, and shows humidity conditions with the variation of an index; And
One pressure release unit, described pressure release unit comprises a relief valve, an and bleeder port of being located on the relief valve, described relief valve comprises that a valve seat, that is arranged at described groove seat is located at the elastic component in the described valve seat, and one be located between described bleeder port and described elastic component and valve block that can the described elastic component telescopic movable of interlock, one end of described valve seat is open shape and the other end has an end wall and forms closed, this valve seat is to stretch with its open end to place in the described groove seat, and aforementioned relief hole is located on the end wall of described valve seat.
Air flow change indicator of the present invention can be observed simultaneously for user and understand airflow situation, humidity, and pressure release more in good time and warn to produce birdie when air pressure is excessive.
[description of drawings]
Below in conjunction with drawings and Examples air flow change indicator of the present invention is elaborated:
Fig. 1 is the sketch map of air flow change indicator first preferred embodiment of the present invention, and is located at the structure of blade surface with the humidity indicating member of local disconnect mode demonstration humidity indicating piece;
Fig. 2 be described first preferred embodiment relief valve look closely sketch map;
Fig. 3 is the user mode sketch map of described first preferred embodiment, shows that air flow change indicator is applied to the structure of mask type gas generator;
Fig. 4 is another user mode sketch map of described first preferred embodiment, shows that air flow change indicator is applied to the structure of nose conduit type gas generator;
Fig. 5 is the sketch map of described first preferred embodiment when aspiratory action;
Fig. 6 is the sketch map of described first preferred embodiment when exhale action;
Fig. 7 is the sketch map of air flow change indicator second preferred embodiment of the present invention, and shows that with arrow the air-flow when air-breathing is dynamic;
Fig. 8 is the exhale action sketch map of described second preferred embodiment;
Fig. 9 is a user mode decomposing schematic representation of described second preferred embodiment, shows that air flow change indicator also can be installed between effusion meter and air delivering pipeline one end;
Figure 10 is the generalized section of the air flow change indicator and the union joint of described second preferred embodiment;
Figure 11 is another user mode decomposing schematic representation of described second preferred embodiment, shows that air flow change indicator can and be mounted between control valve and air delivering pipeline one end by means of union joint; And
Figure 12 is the another user mode decomposing schematic representation of described second preferred embodiment, shows that air flow change indicator cooperates wall-hanging gas generator to use.
[specific embodiment]
Before the present invention is described in detail, be noted that in the following description content similar elements is to represent with identical numbering.
As shown in Figure 1, 2, it is first preferred embodiment of air flow change indicator 2 of the present invention, but the housing 21, that comprises supplied gas circulation be located in the housing 21 and have one can activity displacement with air-flow circulation indicating member 22, be located in the housing 21 and can indicate the humidity indicating member 23 of airflow humidity situation, an and pressure release unit 24 of being located on the housing 21 with change color.
As shown in Figure 3, in the use, air flow change indicator 2 of the present invention is to cooperate a mask type gas generator 3 to use, this gas generator 3 can be exported gas, it has that an oxygen cylinder 31, that is installed in oxygen is located on the oxygen cylinder 31 and the control valve 32, that can control oxygen output in the oxygen cylinder 31 and air pressure is located at that the effusion meter 36, at control valve 32 places is connected with on control valve 32 and can be in order to the air delivering pipeline 33 of transmission oxygen, and one to be located at air delivering pipeline 33 terminal and can place the face shield 34 of user 6 mouth and nose in order to cover.And described air flow change indicator 2 is to be installed on the air delivering pipeline 33, that is, general flexible hose air delivering pipeline 33 is blocked at selected position, and the two ends after the disconnection are connected with input 211, the outfan 212 of the housing 21 of air flow change indicator 2 respectively.
Certainly, as shown in Figure 4, air flow change indicator 2 of the present invention also can cooperate a gas generator 3 that sucks via nose conduit (Nasal Cannula) to use, this kind gas generator 3 also has an oxygen cylinder 31, a control valve 32, an and air delivering pipeline 33, itself and mask type gas generator do not exist together to tie up to and be provided with a nose conduit 35 in addition on air delivering pipelines 33, nose conduit 35 has a hanging portion 351 that can supply to be placed on user 6 ears, and all right one way or the other respectively in order to be inserted into the portion of giving vent to anger 352 in user 6 nostrils.To do explanation with gas generator shown in Figure 33 below this paper.
As Fig. 3, shown in 5, in the use, open the control valve 32 of gas generator 3, so that the oxygen in the oxygen cylinder 31 is input in the air delivering pipeline 33, and then enter in the chamber 213 by the input 211 of housing 21, when user 6 oronasal mask face shield 34 when air-breathing, air-flow in the chamber 213 is further sucked for user by 212 outputs of housing 21 outfans, when air communication is crossed chamber 213, also can drive blade 222 rotations of circulation indicating member 22, and be located at the humidity that humidity indicating piece 23 on the blade 222 also can detect air-flow simultaneously, be that humidity indicating piece 23 can present different colors along with the difference of humidity, so, the caregiver observes the change color of humidity indicating piece 23 and the rotary speed of blade 222 as long as see through housing 21, can understand the humidity conditions and the flow velocity situation of air-flow easily respectively, therefore can adjust the setting of gas generator 3 in good time., repeat no more because of belonging to way in the past as for the setting of gas generator 3 in this.
As shown in Figure 6, when user is exhaled, after the air-flow of breathing out oppositely enters chamber 213 by the oxygen outfan, because oxygen is imported chamber 213 constantly, therefore the air pressure moment in the chamber 213 increases and compression elastic piece 244, little pushing tow valve block 245 makes that the air-flow in the chamber 213 can disengage by valve seat 243 and by relief hole 242 through bleeder port 216.When user was air-breathing once more, the air-flow in the chamber 213 can be sucked for user by 212 outputs of housing 21 outfans again again, and this moment is because of reducing pressure so valve block 245 seals bleeder port 216 (as shown in Figure 5) once more in the chamber 213.
In addition, for the user in the stupor, if user interrupts when air-breathing, air-flow but still continues in the input chamber 213, to cause the air pressure in the chamber 213 to increase, the power and the further pushing tow valve block 245 of elastic component 244 will be exported and then be overcome to high pressure draught by bleeder port 216 this moment, make elastic component 244 be compressed, so high pressure draught can export the external world to by valve seat 243 and by relief hole 242, because the aperture form and the angle design (as shown in Figure 2) of relief hole 242, make highly compressed air-flow will produce sound of heavy breathing the caution birdie sound during at a high speed by relief hole 242 with pencil.
As shown in Figure 7, be second preferred embodiment of air flow change indicator 2 of the present invention, this example comprises a housing 21, a circulation indicating member 25, a humidity indicating member 26 equally, and a pressure release unit 24.The chamber 213 that particularly is housing 21 has been distinguished first, second, third and fourth section 2131,2132,2133,2134 by input 211 respectively toward outfan 212 directions, wherein second section 2132 generally is flat, first section 2131 then by with second section 2132 junction towards input 211 directions shape reducing shape gradually, the 4th section 2134 the bore of bore than second section 2132 is little, the 3rd section 2133 be by with second section 2132 junction towards outfan 212 directions shape reducing shape gradually.And circulation indicating member 25 has one and places chamber 213 and the active answer part 251 of flexible, and one place chamber 213 and be positioned at the floating part 252 of replying part 251 1 ends, when chamber inner pressure does not reach specified pressure level (the following normality that also claims), described answer part 251 is to be extended configuration and to be horizontally placed on chamber 213 the 3rd to second intersegmental, and 252 of floating parts are replied the pushing tow of part 251 and the input 211 (shown in imaginary line among Fig. 7) of closure casing 21.In different embodiment, humidity indicating member 26 can be a humidity indicating piece and pasting at housing 21 inner surfacies, it perhaps also can be medicament kenel and be coated on floating part 252 surfaces, this paper does explanation with the latter, so when having humidity to change in the chamber 213, humidity indicating member 26 can present the variation on the color equally.
Continue as shown in Figure 7, in the use, when user 6 is air-breathing, to attract air-flow to flow toward housing 21 outfans 212 directions by housing 21 inputs 211 input chambers 213, and then output sucks for user 6, when air communication is crossed chamber 213, simultaneously pushing tow floating part 252 is toward aforementioned outfan 212 direction displacements and then push and reply part 251 and form compressive states, floating part 252 can present quick condition along with the gas input, when the air-flow input quantity increases or speeds up, the floating speed of floating part 252 also can increase, so the caregiver can judge the flow condition and the flowing velocity of air-flow in view of the above.
As shown in Figure 8, when user 6 is exhaled, the air-flow of breathing out also can with the air-flow little valve block 245 (shown in imaginary line among the figure) that backs down of moment in the input chamber 213, make that the air-flows in the chamber 213 can disengage by valve seat 243 and by relief hole 242 through bleeder port 216.User 6 is followed when air-breathing, 245 homings sealings of valve block bleeder port 216.
When if user 6 interruptions are air-breathing, air pressure in the chamber 213 also can increase along with the air-flow that continues input, this pressurized air stream can overcome the spring constant of elastic component 244 and pushing tow valve block 245, and by relief hole 242 outputs, also can produce sound of heavy breathing the caution birdie sound this moment.
Moreover, air flow change indicator 2 of the present invention is except air delivering pipeline 33 places that are installed in contiguous face shield 34 as shown in Figure 3, also can be connected with effusion meter 36 as shown in Figure 9, its connected mode is to borrow to reach just like the union joint shown in Figure 10 4, cooperate shown in Figure 9, that is a flange 217 is arranged in housing 21 inputs 211 evaginations of air flow change indicator 2, and union joint 4 have one rotatably be arranged in described flange 217 places and in be recessed into first junction surface 41 of a groove chamber 411, and second junction surface 42 of being located at air delivering pipeline 33 1 end places, groove chamber 411 internal faces are formed with female thread 412, be formed with external screw thread 421 on second junction surface 42 and can stretch place groove chamber 411 and with female thread 412 bolts, utilize first junction surface 41 and second junction surface, 42 bolts of union joint 4 whereby, make air flow change indicator 2 can be combined in easily between effusion meter 36 and air delivering pipeline 33 1 ends.
In addition, as shown in figure 11, air flow change indicator 2 of the present invention also can be borrowed union joint 4 and be mounted between control valve 32 and air delivering pipeline 33 1 ends.Air flow change indicator 2 of the present invention also can be borrowed union joint 4 and cooperate the gases at high pressure generator of different shape to use, wall-hanging gas generator 5 as shown in figure 12.
As mentioned above, air flow change indicator 2 essential structures of the present invention comprise that one is mounted to the transparent shell 21 that gas generator 3 (or 5) is gone up and is communicated with air delivering pipeline, ccontaining one can be in it with the circulation indicating member 22 (or 25) of air-flow activity displacement, and the humidity indicating member 23 (or 26) that can indicate the airflow humidity situation with change color.Make the caregiver can be easily see through dynamic change that transparent shell 21 or its transparent observation window observe circulation indicating member 22 (or 25) understanding air velocity by housing 21, and the change color of humidity indicating member 23 (or 26) and learn the airflow humidity situation; In addition, more being provided with one on the housing 21 can open when housing 21 internal gas pressures are excessive in good time and make the pressure release unit 24 of air-flow output, when air-flow disengages unusually, pressure release unit 24 also can send the birdie caution, so can reach really provides user to observe simultaneously to understand airflow situation, humidity, pressure release more in good time and when air pressure is excessive to produce the effect that birdie is warned.
Claims (7)
1. an air flow change indicator uses in order to cooperate the gas generator that can export gas; It is characterized in that: comprise:
One housing, input, with air feed stream input is positioned at outfan, that described input tosses about and is positioned at chamber between described input and described outfan, and the hyalomere of the interior situation of a described chamber of confession observation, this housing also has a groove seat, and this groove seat bottom surface is provided with a bleeder port that can be communicated with chamber;
One circulation indicating member is located in the described chamber, and has one and change the indication piece produce change in location because of air-flow velocity;
One humidity indicating member is located in the described housing and in order to the airflow humidity in the described chamber of sensing, and shows humidity conditions with the variation of an index; And
One pressure release unit, described pressure release unit comprises a relief valve, an and bleeder port of being located on the relief valve, described relief valve comprises that a valve seat, that is arranged at described groove seat is located at the elastic component in the described valve seat, and one be located between described bleeder port and described elastic component and valve block that can the described elastic component telescopic movable of interlock, one end of described valve seat is open shape and the other end has an end wall and forms closed, this valve seat is to stretch with its open end to place in the described groove seat, and aforementioned relief hole is located on the end wall of described valve seat.
2. air flow change indicator as claimed in claim 1 is characterized in that:
Described chamber is to be defined by a transparent material.
3. air flow change indicator as claimed in claim 1 is characterized in that:
Described circulation indicating member has a rotating shaft that is hubbed in the described chamber, and several are located at the blade in the described rotating shaft, whereby when air communication is crossed described chamber, can drive described blade rotation simultaneously.
4. air flow change indicator as claimed in claim 3 is characterized in that:
Described humidity indicating member is the humidity indicating piece of being located at least one blade surface.
5. air flow change indicator as claimed in claim 1 is characterized in that:
Described circulation indicating member has one and places described chamber and the active answer part of flexible, and one place described chamber and be positioned at the floating part of described answer part one end, and described answer part is extended configuration and the described floating part of pushing tow seals the described input of described housing.
6. air flow change indicator as claimed in claim 5 is characterized in that:
Described chamber has been distinguished first, second, third and fourth section by the described input of described housing respectively toward described outfan direction, described second section generally is flat, described first section then by with described second section junction towards described input direction shape reducing shape gradually, the more described second section bore of described the 4th section bore is little, described the 3rd section then be by with described second section junction towards described outfan direction shape reducing shape gradually, and when normality, described answer part be extended configuration and be horizontally placed on described chamber described the 3rd section to described second intersegmental.
7. air flow change indicator as claimed in claim 6 is characterized in that:
Described humidity indicating member is the humidity indicator that is coated on described floating part surface, and described humidity indicator presents different colours with the variation of the humidity in the described chamber to be changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100849705A CN100548407C (en) | 2005-07-22 | 2005-07-22 | Air flow change indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100849705A CN100548407C (en) | 2005-07-22 | 2005-07-22 | Air flow change indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1899637A CN1899637A (en) | 2007-01-24 |
| CN100548407C true CN100548407C (en) | 2009-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100849705A Active CN100548407C (en) | 2005-07-22 | 2005-07-22 | Air flow change indicator |
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| Country | Link |
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| CN (1) | CN100548407C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103463717A (en) * | 2013-09-18 | 2013-12-25 | 青岛市市立医院 | Gating equipment used for detecting airflow change |
| CN110520181A (en) * | 2017-01-19 | 2019-11-29 | 科奥实验室私人有限公司 | Continuing positive airway pressure unit |
| CN109341190B (en) * | 2018-09-14 | 2021-03-02 | 湖州日晨生态农业开发有限公司 | Freezing box waterproof method suitable for freshwater fish |
| CN110363938B (en) * | 2019-08-14 | 2021-03-12 | 广西玉柴机器股份有限公司 | Pressure alarm device easy to intake and exhaust |
| CN114322481B (en) * | 2021-11-19 | 2024-02-09 | 孙月 | Double-shaft ventilation type ceramic glaze particle drying cylinder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4059017A (en) * | 1976-07-02 | 1977-11-22 | General Cable Corporation | Detecting apparatus with excess pressure protectors |
| CN87212681U (en) * | 1987-09-22 | 1988-06-08 | 青岛热工仪表厂 | Variable flow buoy type oxygen absorber |
| CN2405196Y (en) * | 1999-11-12 | 2000-11-08 | 天津市第一中心医院 | Rotating drum and wet type device for measuring inhaled oxygen |
| US6349722B1 (en) * | 1997-06-17 | 2002-02-26 | Fisher & Paykel Limited | Respiratory humidification system |
| EP1338296A1 (en) * | 2002-02-25 | 2003-08-27 | Fyne Dynamics Ltd. | Flow indicator |
| CN1490599A (en) * | 2003-09-06 | 2004-04-21 | 争 李 | Oxygen flowmeter |
-
2005
- 2005-07-22 CN CNB2005100849705A patent/CN100548407C/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4059017A (en) * | 1976-07-02 | 1977-11-22 | General Cable Corporation | Detecting apparatus with excess pressure protectors |
| CN87212681U (en) * | 1987-09-22 | 1988-06-08 | 青岛热工仪表厂 | Variable flow buoy type oxygen absorber |
| US6349722B1 (en) * | 1997-06-17 | 2002-02-26 | Fisher & Paykel Limited | Respiratory humidification system |
| CN2405196Y (en) * | 1999-11-12 | 2000-11-08 | 天津市第一中心医院 | Rotating drum and wet type device for measuring inhaled oxygen |
| EP1338296A1 (en) * | 2002-02-25 | 2003-08-27 | Fyne Dynamics Ltd. | Flow indicator |
| CN1490599A (en) * | 2003-09-06 | 2004-04-21 | 争 李 | Oxygen flowmeter |
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| Publication number | Publication date |
|---|---|
| CN1899637A (en) | 2007-01-24 |
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