CN208818691U - Gas-detecting device - Google Patents

Abstract

A kind of gas-detecting device includes: a shell, has an air inlet, a gas outlet and an accommodation groove, the air inlet and the gas outlet are interconnected, and the accommodation groove is set to below the air inlet, and is connected to the air inlet；One gas transport actuator, framework close the accommodation groove, are provided with being actuated guiding air draught and are imported by the air inlet, and are discharged by the gas outlet；One gas sensor senses specific gas content with the air imported to the air inlet；And a drive module, it is installed on the enclosure interior, controls the starting of the gas transport actuator, the gas sensor, so that the gas sensor is completed to sense the specific gas content of the air.

Description

Gas-detecting device

[technical field]

This case is about a kind of gas-detecting device, espespecially a kind of gas for promoting its detection efficiency through gas transport actuator Body detection device.

[background technique]

Modern more and more payes attention to the requirement of air quality arround life, such as carbon monoxide, carbon dioxide, waves Hair property organic matter (Volatile Organic Compound, VOC), PM2.5, nitric oxide, sulfur monoxide etc. gas, ring The exposure of these gases will affect human health in border, serious or even jeopardize life.Therefore ambient air quality quality is numerous and confused Cause various countries to pay attention to, to go the project paid attention to for urgent need at present.

The quality for how confirming air quality, it is feasible that surrounding environmental gases are monitored using a kind of sensor, if again Monitoring information can be provided immediately, the people at warning in the environment can prevent or flee from immediately, avoid by the gas in environment Exposure causes Health Impact and injury, and ambient enviroment is monitored using sensor can say it is extraordinary application.

Though monitoring result can only needle in addition, ambient air quality monitoring has large-scale environmental monitoring base station to monitor at present The ambient air quality of the peripheral region of monitoring base station is monitored, can not be had for nearly body ambient air quality locating for the mankind Effect accurately monitors, for example, indoor air quality, air quality by the side of around just effectively can not be monitored quickly, so Current air quality monitoring can not be accomplished to be effectively detected whenever and wherever possible.

Since current air quality monitoring system can not accomplish to measure anywhere or anytime, the work for improving air quality is executed Industry, can not also learn whether air quality really has improvement, and improvement degree can not also confirm, can not if air quality has improved Confirm at once if, the operation for improving air quality is repeated continuously execution, not only flogs a dead horse, also unusual waste of energy.

In view of this, will how anywhere or anytime at-once monitor, to provide more precisely instant air quality monitoring Information, and start the problems such as air quality is notified to mechanism and air quality treatment mechanism, it is actually in the urgent need to address at present to ask Topic.

[utility model content]

The main purpose of this case is to provide a kind of minisize fluid transmitting device, can adjust easily and accurately sounding board with Spacing between actuator, to provide stable efficiency of transmission.

The one broad sense state sample implementation of this case is a kind of gas-detecting device, includes: there is a shell air inlet, one to go out Port and an accommodation groove, the air inlet and the gas outlet are interconnected, and the accommodation groove is set to below the air inlet, and with this Air inlet connection；One gas transport actuator, framework close the accommodation groove, are provided with being actuated guiding air draught by the air inlet It imports, and is discharged by the gas outlet；One gas sensor senses specific gas content with the air imported to the air inlet； And a drive module, it is installed on the enclosure interior, controls the starting of the gas transport actuator, the gas sensor, so that The gas sensor is completed to sense the specific gas content of the air.

[Detailed description of the invention]

Fig. 1 is the appearance diagram of the gas-detecting device of this case.

Fig. 2 is the diagrammatic cross-section of the gas-detecting device of this case.

Fig. 3 is body diagram of the gas-detecting device of Fig. 1 when not installing gas transport actuator.

Fig. 4 is that Fig. 3 installs the body diagram after gas transport actuator.

Fig. 5 A is the decomposition diagram of the gas transport actuator of this case.

Fig. 5 B is the decomposition diagram of its another angle of the gas transport actuator of this case.

Fig. 6 A is the diagrammatic cross-section of the gas transport actuator of this case.

Fig. 6 B to Fig. 6 D is the illustrative view of the gas transport actuator of this case.

Fig. 7 is the block diagram of gas-detecting device.

[symbol description]

100: gas-detecting device

1: shell

1a: the first butt joint body

1b: the second butt joint body

11: air inlet

12: gas outlet

13: accommodation groove

2: gas transport actuator

21: inlet plate

21a: air inlet

21b: confluence round

21c: confluence chamber

22: sounding board

22a: hollow hole

22b: movable part

22c: fixed part

23: piezoelectric actuator

23a: suspension board

231a: first surface

232a: second surface

23b: outline border

231b: surface is assembled

232b: lower surface

23c: bracket

23d: piezoelectric element

23e: gap

23f: protrusion

231f: boss surface

24: insulating trip

25: conductive sheet

26: cavity space

3: gas sensor

4: drive module

41: processor

42: transmission module

43: battery module

5: insulation film

G: chamber spacing

[specific embodiment]

The some exemplary embodiments for embodying this case features and advantages will describe in detail in the explanation of back segment.It should be understood that This case can have various variations in different aspects, all not depart from the range of this case, and explanation therein and diagram It is illustrated as being used in itself, rather than to limit this case.

This case provides a kind of gas-detecting device, and please refer to Fig. 1 to Fig. 4, gas-detecting device 100 includes a shell 1, a gas transport actuator 2, a gas sensor 3 and a drive module 4, shell 1 have an air inlet 11, a gas outlet 12 And an accommodation groove 13, air inlet 11 and gas outlet 12 are interconnected, and accommodation groove 13 be then set to air inlet 11 lower section and with Air inlet 11 is connected, and accommodation groove 13 can also be connected with gas outlet 12, and accommodation groove 13 can be located at air inlet 11 and outlet Between mouth 12, air inlet 11 and gas outlet 12 is made to be interconnected by accommodation groove 13, and 2 framework of gas transport actuator is in accommodating Slot 13, in this present embodiment, 2 framework of gas transport actuator can close accommodation groove 13 simultaneously when accommodation groove 13, so that gas After transmitting the starting of actuator 2, the air outside gas-detecting device 100 can be drawn and entered by air inlet 11, and passed through gas and pass Defeated actuator 2, is finally discharged by gas outlet 12, and gas sensor 3 is located inside shell 1, imports shell 1 to by air inlet 11 An at least specific gas content in internal air is sensed, and in this present embodiment, gas sensor 3 can be adjacent to gas Actuator 2 is transmitted, and between gas transport actuator 2 and exhaust outlet 12, so that gas transport actuator 2 guides air When to gas outlet 12, air can be sensed at the first time；Drive module 4 is equally installed on the inside of shell 1, and It is electrically connected gas transport actuator 2 and gas sensor 3, to control opening for gas transport actuator 2 and gas sensor 3 It is dynamic, so that gas sensor 3 is sensed the specific gas content in the air in shell 1.

Fig. 5 A to Fig. 6 A is please referred to, above-mentioned gas transport actuator 2 includes the inlet plate 21 sequentially stacked, has altogether Shake piece 22, a piezoelectric actuator 23, an insulating trip 24, a conductive sheet 25；Inlet plate 21 has an at least air inlet 21a, at least One confluence round 21b and confluence a chamber 21c, above-mentioned air inlet 21a are identical as confluence its quantity of round 21b, in this implementation In example, air inlet 21a and confluence round 21b is given an example with quantity 4, is not limited thereto；4 air inlet 21a difference 4 confluence round 21b are penetrated through, and 4 confluence round 21b are flowed to confluence chamber 21c.

Above-mentioned sounding board 22, permeable laminating type are connected on inlet plate 21, and hollow with one on sounding board 22 Hole 22a, a movable part 22b and a fixed part 22c, hollow hole 22a are located at the center of sounding board 22, and the remittance with inlet plate 21 It flows that chamber 21c is corresponding, and is set to around hollow hole 22a and the region opposite with confluence chamber 21c is movable part 22b, and It is set to the outer peripheral edge portion of sounding board 22 and is posted solid on inlet plate 21 then as fixed part 22c.

Above-mentioned piezoelectric actuator 23 includes a suspension board 23a, an an outline border 23b, at least bracket 23c, piezoelectricity member Part 23d, at least a gap 23e and a protrusion 23f；Wherein, suspension board 23a has first surface 231a and opposite first surface A second surface 232a of 231a, outline border 23b are around the periphery for being set to suspension board 23a, and outline border 23b has one to assemble surface 231b and a lower surface 232b, and be connected between suspension board 23a and outline border 23b through an at least bracket 23c, to provide elasticity The support force of support suspension plate 23a, wherein gap of the gap 23e between suspension board 23a, outline border 23b and bracket 23c, to Pass through for air.

In addition, the first surface 231a of suspension board 23a has protrusion 23f, protrusion 23f is by protrusion in this present embodiment The periphery of 23f and the junction of bracket 23c is adjacent to through etch process, keep its recessed, to make the protrusion 23f of suspension board 23a Step structure is formed higher than first surface 231a.

Again as shown in Figure 6A, the suspension board 23a of the present embodiment is adopted makes it to lower recess with stamping, and distance of sinking can It is formed between suspension board 23a and outline border 23b and is adjusted by an at least bracket 23c, make the protrusion 23f's on suspension board 23a Both surface 231b that assembles of boss surface 231f and outline border 23b form non-co-planar, that is, the boss surface 231f of protrusion 23f Will be less than outline border 23b assembles surface 231b, and the second surface 232a of suspension board 23a is lower than the lower surface 232b of outline border 23b, Piezoelectric element 23d is attached at the second surface 232a of suspension board 23a again, is oppositely arranged with protrusion 23f, piezoelectric element 23d is applied Add after driving voltage due to piezoelectric effect and generation type becomes, and then drives suspension board 23a bending vibration；It is used in outline border 23b's It assembles and is coated with a small amount of adhesive on the 231b of surface, so that piezoelectric actuator 23 is fitted in the fixed part of sounding board 22 with hot pressing mode 22c, so that piezoelectric actuator 23 is able to assemble combination with sounding board 22.

In addition, insulating trip 24 and conductive sheet 25 are all the slim sheet body of frame-type, sequentially it is stacked under piezoelectric actuator 23.In In the present embodiment, insulating trip 24 is attached at the lower surface 232b of the outline border 23b of piezoelectric actuator 23.

Please continue to refer to Fig. 6 A, inlet plate 21, sounding board 22, the piezoelectric actuator 23, insulating trip of gas transport actuator 2 24, after conductive sheet 25 sequentially stacks combination, a chamber wherein is formed between the first surface 231a and sounding board 12 of suspension board 23a Spacing g, chamber spacing g will will affect the laser propagation effect of gas transport actuator 2, thus maintain a fixed chamber spacing g for It is particularly significant that gas transport actuator 2, which provides stable efficiency of transmission,.The gas transport actuator 2 of this case is to suspension board 23a uses impact style, make it to lower recess, and the first surface 231a and outline border 23b of suspension board 23a is allowed to assemble surface 231b The two is non-co-planar, that is, the first surface 231a of suspension board 23a will be less than outline border 23b assemble surface 231b, and suspend The second surface 232a of plate 23a is lower than the lower surface 232b of outline border 23b, so that the suspension board 23a concave shape of piezoelectric actuator 23 It is obtained at a space and constitutes an adjustable chamber spacing g with sounding board 22, be directed through the suspension of above-mentioned piezoelectric actuator 23 Plate 23a adopts the structural improvement that a cavity space 26 is constituted with shaped depression, in this way, which required chamber spacing g is penetrated The suspension board 23a shaped depression distance of piezoelectric actuator 23 is adjusted to complete, effectively simplifies the structure of adjustment chamber spacing g The advantages that designing, while also reaching simplified processing procedure, shortening processing time.

Fig. 6 B to Fig. 6 D is the illustrative view of gas transport actuator 2 shown in Fig. 6 A, and please referring initially to Fig. 6 B, piezoelectricity is caused The piezoelectric element 23d of dynamic device 23, which is applied after driving voltage, to be generated deformation and drives suspension board 23a to bottom offset, at this time cavity space 26 volume is promoted, and in foring negative pressure in cavity space 26, the air just drawn in confluence chamber 21c enters cavity space 26 It is interior, while resonance plate 22 is influenced to be synchronized by resonance principle to bottom offset, the related volume for increasing confluence chamber 21c, And because the air in confluence chamber 21c enters the relationship of cavity space 26, cause to be similarly negative pressure state in confluence chamber 21c, And then entered in confluence chamber 21c by confluence round 21b, air inlet 21a come draw air；Referring again to Fig. 6 C, piezoelectricity member Part 23d drives suspension board 23c to shift up, compression chamber space 26, force air in cavity space 26 by gap 23e to Lower transmission, to achieve the effect that transmit air, same to time, sounding board 22 is equally suspended plate 23a and shifts up because of resonance, together The air that step is pushed in confluence chamber 21c is mobile toward cavity space 26；Fig. 6 D is finally please referred to, when suspension board 23c is by downward band When dynamic, sounding board 22 is also driven to bottom offset simultaneously, and sounding board 22 at this time will make the air in compression chamber space 26 It is mobile to gap 23e, and the volume in confluence chamber 21c is promoted, allow air that can constantly pass through air inlet 21a, confluence Round 21b converges in chamber 21c to converge at, and through above-mentioned steps are repeated continuously, keeps gas transport actuator 2 continuous The effect of air is entered from air inlet 21a, then is transmitted downwards by gap 23e, reaches transmission air to gas sensor 3, with The sensing of gas sensor 3 is provided air to, sensing efficiency is promoted.

Please refer to Fig. 2 and Fig. 7, the drive module 4 of gas-detecting device 100 has further included a processor 41, transmission Module 42 and battery module 43, processor 41 are electrically connected transmission module 42, gas transport actuator 2 and gas sensor 3, in turn The starting of transmission module 42, gas transport actuator 2 and gas sensor 3 is controlled, and to the knot that gas sensor 3 is sensed Fruit is analyzed, and is analyzed result and switch to a monitoring numerical value, then monitoring numerical value is sent to outside by transmission module 42 One connection device 300, to show monitoring numerical value and notification warning.Wherein, above-mentioned transmission module 42 can be a USB, one At least one of wire transmission modules such as mini USB, a micro USB or a Wi-Fi module, a bluetooth mould One wireless transport module of one of block, a radio frequency identification module and a near field transmission module；In addition, connection device 300 can for a cloud system, a portable apparatus, a computer system etc. at least one.

Above-mentioned battery module 43 supplies electrical power to processor 41, causes to locate to provide storage electric energy, output electric energy Reason device 41 is controlled the starting of gas transport actuator 2, transmission module 42, gas sensor 3, and can allow an external power supply Device 200 stores to conduct electric energy and receive electric energy, and wherein power supply unit 200 can pass through a wired conduction pattern and convey electric energy It is not limited thereto to battery module 43, or with a wireless conduction pattern conveying electric energy to battery module 43.

Above-mentioned gas sensor 3 can be a volatility organic gas sensor, an oxygen sensor, a carbon monoxide At least one of sensor, a carbon dioxide sensor, an air-temperature sensor, a wetness sensor or combinations thereof.

Please continue to refer to Fig. 2, the shell 1 of gas-detecting device 100 has further included the docking of one first butt joint body 1a and second Body 1b, the first butt joint body 1a and the second butt joint body 1b can mutually assemble formation and be combined as a whole structure, wherein air inlet 11 and hold It sets slot 13 to be located on the second butt joint body 1b, the second butt joint body 1b also can pass through and releasably assemble with the first butt joint body 1a, make the Two butt joint body 1b are able to disassemble and separate from gas-detecting device 100, accommodate to close 2 assembling structure of gas transport actuator Slot 13, as shown in the above description, the shell 1 of gas-detecting device 100 are removable with one first butt joint body 1a and the second butt joint body 1b The mutually assembling positioning of group ground is integral, and air inlet 11 and accommodation groove 13 are set on the second butt joint body 1b, and gas transport activates Device 2 is wanted on assembling structure closing accommodation groove 13, can be fitted on accommodation groove 13 using an insulation film 5 to assemble, and insulating cement Piece 5 is an insulation sheet body with biadhesive, and such gas transport actuator 2 is able to through the insulating cement with biadhesive Piece 5 is fitted on accommodation groove 13 with bonding method assembling, therefore gas transport actuator 2 utilizes the second removable solution structure of butt joint body 1b Design, and positioned using the Rapid pasting of an insulation film 5, assembling and maintenance can be conducive to.

In conclusion gas-detecting device provided by this case, through gas transport actuator by its piezoelectric actuator Suspension board adopts the structure that a cavity space is constituted with shaped depression, and then effectively controls the efficiency of gas transport actuator, via The rate travel for promoting air, promotes the sensing efficiency of air, great industry applications.

This case appointed as person familiar with the technology apply craftsman think and be it is all as modify, it is so neither de- such as attached claim Be intended to Protector.

Claims (15)

1. a kind of gas-detecting device, characterized by comprising:

One shell has an air inlet, a gas outlet and an accommodation groove, and the air inlet and the gas outlet are interconnected, and the appearance It sets slot to be set to below the air inlet, and is connected to the air inlet；

One gas transport actuator, framework close the accommodation groove, are provided with being actuated guiding air draught and are imported by the air inlet, and It is discharged by the gas outlet；

One gas sensor, with the air sense gasses content imported to the air inlet；And

One drive module is installed on the enclosure interior, controls the starting of the gas transport actuator, the gas sensor, so that The gas sensor is completed to sense the gas content of the air.

2. such as the gas-detecting device of claim 1, which is characterized in that the gas transport actuator includes:

One inlet plate has an at least air inlet, at least one confluence round and a confluence chamber, and wherein an at least air inlet supplies Air-flow is imported, which corresponds to the air inlet, and the air-flow of the air inlet is guided to converge into the confluence chamber；

There is one resonance plate a hollow hole to correspond to the confluence chamber, and be a movable part around the hollow hole；And

One piezoelectric actuator, setting corresponding with the resonance plate；

Wherein, between the resonance plate and the piezoelectric actuator there is a gap to form a cavity space, so that the piezoelectric actuator It when being driven, imports air-flow by an at least air inlet for the inlet plate, is collected to the confluence through at least one confluence round Chamber passes through the hollow hole of the resonance plate, generates resonance transfer by the movable part of the piezoelectric actuator and the resonance plate Air-flow.

3. gas-detecting device as claimed in claim 2, which is characterized in that the piezoelectric actuator includes:

One suspension board, has a first surface and a second surface, which has a protrusion；

One outline border around the outside for being set to the suspension board, and has one to assemble surface；

An at least bracket is connected between the suspension board and the outline border, flexibly supports the suspension board to provide；And

One piezoelectric element, is attached on the second surface of the suspension board, to apply voltage to drive the suspension board bending vibration；

Wherein, an at least stent forming is between the suspension board and the outline border, and makes the first surface of the suspension board and be somebody's turn to do This of outline border assembles surface and is formed as non-co-planar structure, and the first surface of the suspension board and the sounding board is made to keep a chamber Room spacing.

4. gas-detecting device as claimed in claim 2, which is characterized in that the gas transport actuator include: a conductive sheet, One insulating trip, wherein the inlet plate, the resonance plate, the piezoelectric actuator, the insulating trip and the conductive sheet sequentially stack setting.

5. gas-detecting device as described in claim 1, which is characterized in that the drive module includes a processor and a transmission Module, wherein the processor controls the starting of the transmission module, the gas transport actuator and the gas sensor, and to the gas Body sensor institute testing result carries out analysis and is converted into a monitoring numerical value, which is sent to outside one by the transmission module Link device, to show the monitoring numerical value and notification warning.

6. gas-detecting device as claimed in claim 5, which is characterized in that the transmission module is a wire transmission module and one At least one of wireless transport module.

7. gas-detecting device as claimed in claim 6, which is characterized in that the wire transmission module is a USB, a mini- At least one of USB, a micro-USB.

8. gas-detecting device as claimed in claim 6, which is characterized in that the wireless transport module is a Wi-Fi module, one At least one of bluetooth module, a radio frequency identification module and a near field transmission module.

9. gas-detecting device as claimed in claim 5, which is characterized in that it is a cloud system, one that the outside, which links device, Portable apparatus, a computer system etc. at least one.

10. gas-detecting device as claimed in claim 5, which is characterized in that the drive module further comprises a battery mould Block makes the electric energy be supplied to the processor, the processor is caused to control the gas transport to provide storage electric energy, output electric energy The starting of actuator, the transmission module, the gas sensor, and the external power supply unit that can arrange in pairs or groups receives to conduct the electric energy The electric energy stores.

11. gas-detecting device as claimed in claim 10, which is characterized in that the power supply unit is defeated with a wired conduction pattern The electric energy is given to give battery module storage.

12. gas-detecting device as claimed in claim 10, which is characterized in that the power supply unit is defeated with a wireless conduction pattern The electric energy is given to give battery module storage.

13. gas-detecting device as described in claim 1, which is characterized in that the gas sensor includes that a volatility is organic Object sensor.

14. gas-detecting device as described in claim 1, which is characterized in that the shell includes one first butt joint body and one the Two butt joint bodies, and first butt joint body and one second butt joint body mutually assemble positioning integrally, the air inlet and the accommodation groove are set It is placed on second butt joint body, and second butt joint body is disassembled, and the gas transport actuator assembling structure is made to close the appearance Set slot.

15. gas-detecting device as claimed in claim 14, which is characterized in that the gas transport actuator is with a tool double-sided adhesive Property insulation film assembling fitting close the accommodation groove.