CN208350735U - Gas-detecting device - Google Patents

Abstract

A kind of gas-detecting device includes: shell, and with ventilation chamber, air inlet, disagreement runner and interface channel, ventilation chamber is connected outside through connection air inlet and with shell, wherein disagreement runner and ventilation chamber, and interface channel is connected to disagreement runner；Gas transport actuator is respective framework in disagreement runner, including inlet plate, resonance plate, piezoelectric actuating elements, is provided with being actuated guiding air draught and is imported in venting cavity room by air inlet, and enters disagreement runner；Valve is to be respectively arranged between interface channel is connected to disagreement runner, imports interface channel to control air；And external sensor, it is removably connected to interface channel, it includes sensors, to sense to the air in interface channel.

Description

Gas-detecting device

[technical field]

This case is espespecially a kind of to be filled with gas transport actuator with the gas detection of air guide about a kind of gas-detecting device It sets.

[background technique]

In recent years, the air pollution problems inherent of China and adjacent domain is gradually serious, leads in daily life still that there are many right The harmful gas of human body, if can not detect in time will impact the health of human body.

In addition, user can be because of different place, such as factory, office, household can possess different gas detections Demand, such as factory need volatility or will cause the gas sensor of imbedibility injury toxic gas, and household, office are then It is the sensors such as carbon monoxide, carbon dioxide, temperature, humidity, but presently commercially available gas-detecting device is all the gas of integral type The gas of body detection device, detection has just been determined before factory, can not be detected according to the selection of the demand of user Gas, therefore, presently commercially available gas-detecting device can not completely provide the sensing function for meeting user's demand, there is improvement in fact Demand.In view of this, it is actually current how to develop a kind of gas-detecting device that can be sensed according to gas detection demand Particularly important project.

[utility model content]

The main purpose of this case is to provide a kind of gas-detecting device, to detect the sensor of air as circumscribed sensing Device, provides that user is timely and outside accurate gas information, can voluntarily select according to the demand of user, required induction of arranging in pairs or groups Device, and have effects that replace easily, promote practicability and convenience.

The one broad sense state sample implementation of this case is a kind of gas-detecting device, includes a shell, with a ventilation chamber, at least One air inlet, at least a disagreement runner and at least a connection channel, the ventilation chamber through connection an at least air inlet and with this Shell is connected outside, wherein an at least disagreement runner and the ventilation chamber, and this at least a connection channel and this at least The connection of one disagreement runner；An at least gas transport actuator is respective framework in this at least a disagreement runner, including an air inlet Plate, a resonance plate, a piezoelectric actuating elements, being provided with being actuated guiding air draught, at least an air inlet imports the venting cavity by this Interior, and enter the disagreement runner；An at least valve is to be respectively arranged at at least a connection channel and an at least disagreement runner Between connection, at least a connection channel is imported to control air；And an at least external sensor, it is removably connected to At least a connection channel, it includes a sensors, to detect to the air in this at least a connection channel.

[Detailed description of the invention]

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

Fig. 2 is the diagrammatic cross-section of gas-detecting device shown in Fig. 1.

Fig. 3 is the gas transport actuator embodiment schematic diagram of this case gas-detecting device.

Fig. 4 A and Fig. 4 B are respectively this case gas transport actuator embodiment associated components in the first visual angle and the second visual angle Decomposition diagram.

Fig. 5 A is the diagrammatic cross-section of gas transport actuator shown in Fig. 4 A.

Fig. 5 B, Fig. 5 C and Fig. 5 D are the illustrative view of gas transport actuator shown in Fig. 4 A.

Fig. 6 is the block schematic diagram of this case gas-detecting device.

Fig. 7 A, Fig. 7 B are the valve illustrative view of this case gas-detecting device.

[symbol description]

100: gas-detecting device

1: shell

11: ventilation chamber

12: air inlet

13: disagreement runner

14: interface channel

15: partition

2: gas transport actuator

21: inlet plate

21a: air inlet

21b: confluence round

21c: confluence chamber

22: resonance plate

22a: hollow hole

22b: movable part

23: piezoelectric actuating elements

23a: suspension board

P1: first surface

P2: second surface

23b: outline border

23c: interconnecting piece

23d: piezoelectric patches

23e: gap

23f: protrusion

24: the first insulating trips

25: conductive sheet

26: the second insulating trips

27: chamber

3: valve

31: holder

32: sealing element

33: displacement piece

311,321,331: through-hole

4: external sensor

5: processor

6: communication module

7: battery module

200: power supply unit

300: connection device

[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, please refer to Fig. 1 to Fig. 3.In embodiment of this case, gas detection dress It sets 100 and includes a shell 1, at least a gas transport actuator 2, at least a valve 3 and an at least external sensor 4；Shell 1 has One ventilation chamber 11, at least an air inlet 12, at least a disagreement runner 13 and at least a connection channel 14, above-mentioned disagreement runner 13, interface channel 14, gas transport actuator 2, valve 3 quantity all correspond to each other, following disagreement runner 13, interface channel 14, The quantity of the elements such as gas transport actuator 2, valve 3 all makees embodiment explanation with 5, is not limited thereto.Chamber 11 of ventilating passes through By air inlet 12 with outside shell 1 be connected to and communicated respectively with 5 disagreement runners 13, and shell 1 in have multiple partitions 15, benefit The quantity and position of 14,5 interface channels 14 of 5 disagreement runners 13 and 5 interface channels are separated out with these partitions 15 It respectively corresponds and communicates with 5 disagreement runners 13,5 gas transport actuators 2 then respectively correspond framework in 5 disagreement runners 13 Interior, will ventilate, the air in chamber 11 is imported in disagreement runner 13；5 valves 3 are to respectively correspond to be set to 5 interface channels Between 14 and 5 disagreement runners 14, for directing the air into interface channel 14, finally, 5 external sensors 4 are respectively with removable It is connected to 5 interface channels 14 with unloading, wherein including a sensor (not shown), sensor inside each external sensor 4 It can be one of an oxygen sensor, a carbon monoxide transducer, a carbon dioxide sensor or combinations thereof, sensor is also Bacterium sensor, viral sensor and microbiological sensor can be can be for a volatile organic matter sensor or sensor One of them or combinations thereof or sensor can for one of a temperature sensor or a humidity sensor or combinations thereof, It is detected with the air to interface channel 14.

Please refer to the embodiment of gas transport actuator shown in Fig. 3, Fig. 4 and Fig. 5 A to Fig. 5 D, gas transport actuating Device 2 includes the inlet plate 21 sequentially stacked, a resonance plate 22, a piezoelectric actuating elements 23, one first insulating trip, 24, one conduction Piece 25 and one second insulating trip 26；Inlet plate 21 has an at least air inlet 21a, at least one confluence round 21b and a confluence chamber Room 21c, confluence round 21b are connected to air inlet 21a, and in this present embodiment, the quantity of air inlet 21a and confluence round 21b are all It is 4, but not limited to this, wherein one end of confluence round 21b is connected with corresponding air inlet 21a, the other end and remittance Stream chamber 21c is connected, after entering gas by air inlet 21a, by corresponding confluence round 21b, finally in confluence chamber 21c convergence；There is resonance plate 22 a hollow hole 22a and a movable part 22b, hollow hole 22a vertically to correspond to confluence chamber 21c, And movable part 22b is around hollow hole 22a；The setting corresponding with resonance plate 22 of piezoelectric actuating elements 23, and have one to suspend The periphery of plate 23a, an outline border 23b, at least an interconnecting piece 23c and a piezoelectric patches 23d, outline border 23b around suspension board 23a, connection Portion 23c is connected between outline border 23b and suspension board 23a, to provide resilient support, in addition, interconnecting piece 23c and outline border 23b, suspension There is an at least gap 23e between plate 23a, and suspension board 23a has an a first surface P1 and second surface P2, piezoelectric patches 23d is attached at the first surface P1 of suspension board 23a, and is a square structure, and have less than or equal to suspension board 23a's One side length of side length, the second surface P2 of suspension board 23a have a protrusion 23f, and piezoelectric actuating elements 23 make through outline border 23b Resonance plate 22 and the interval suspension board 23a are arranged, and in the suspension board 23a, outline border 23b and resonance plate 22 of piezoelectric actuating elements 23 it Between form a chamber 27；In addition, the first insulating trip 24, conductive sheet 25 and the second insulating trip 26 be set in sequence be stacked in it is piezoelectric actuated Element 23 it is upper.

Fig. 5 B is please referred to, when applying a voltage to the piezoelectric patches 23d of piezoelectric actuating elements 23, piezoelectric patches 23d is imitated by piezoelectricity The influence answered starts to generate deformation, and suspension board 23a is driven to shift up, and the movable part 22b of resonance plate 22 is total because of Helmholtz Vibration (Helmholtz resonance) principle is synchronized to drive and shift up, at this point, promoting since movable part 22b is moved up The volume of confluence chamber 21c increases, and beginning draws air by air inlet 21a and enters confluence chamber 21c, referring again to Fig. 5 C, gas Body transmits the constantly actuation of actuator 2, synchronous to interlock resonance plate when the suspension board 23a of piezoelectric actuating elements 23 is to bottom offset 22 movable part 22b so that the volume of confluence chamber 21c reduces, and pushes air to piezoelectricity by confluence chamber 21c to bottom offset Chamber 27 between actuating element 23 and sounding board 22, then through the protrusion 23f on suspension board 23a by air push to two sides, Finally it is discharged by gap 23e；Fig. 5 D is finally please referred to, suspension board 23a resets upwards, and the movable part 22b of resonance plate 22 is to upper While shifting, air is discharged from two sides to gap 23e in the volume of compression chamber 27, and increases the volume of confluence chamber 21c, Enter air constantly by air inlet 21a, constantly repeat the above actuation, enables air to ceaselessly enter from air inlet 21a, It is then passed through gap 23e, to carry out the conveying of gas.

Please continue to refer to Fig. 2 and Fig. 6, gas-detecting device 100 further include a processor 5, communication module 6 and One battery module 7, processor 5 is electrically connected battery module 7, communication module 6, gas transport actuator 2 and valve 3, for controlling The starting and closing of gas transport actuator 2, external sensor 4 are connected in the interface channel 14, and can make electricity with processor 5 Property and data connection, therefore the sensor result detected of external sensor 4 can carry out analytic operation and storage through processor 5 It deposits, and a monitoring numerical value can be converted into；When processor 5 starts gas transport actuator 2, gas transport actuator 2 starts to draw Air is taken, is admitted air into disagreement runner 13 and interface channel 14, the sensor in external sensor 4 in interface channel 14 Start to detect the air in interface channel 14, and will test result and be sent to processor 5, processor 5 is according to the detection As a result the content of under test gas in air is calculated, and analysis generation monitoring numerical value stores accordingly, the prison stored by processor 5 Survey numerical value a connection device 300 is sent to by communication module 6, connection device 300 can for cloud system, portable apparatus, One of computer system, display device etc., to show monitoring numerical value and notification warning.

In addition, above-mentioned communication module 6 can pass through wire transmission or be wirelessly transmitted to external connection device 300, it is wired Transmission mode is for example: one of them the wire transmission module such as USB, mini-USB, micro-USB, wireless transmission method for example: The wireless transport module of one of Wi-Fi module, bluetooth module, radio frequency identification module, a near field communication module etc..

From the above, battery module 7 is provided for 5 electric energy actuation of processor, and the processor 5 is made to control the gas transport Actuator 2, the communication module 6, the valve 3, the external sensor 4 the sensor 5 starting, in addition, battery module 7 can be external One power supply unit 200, to receive and store the electric energy of power supply unit 200, and power supply unit 200 can be defeated with wired conduction pattern Energy is sent, wireless conduction pattern transmission energy is also can pass through to battery module 7, is not limited thereto.

Please continue to refer to Fig. 2 and Fig. 7 A, valve 3 includes a holder 31, a sealing element 32 and a displacement piece 33.Displacement piece 33 are set between holder 31 and sealing element 32, and holder 31, sealing element 32 are respectively provided with multiple through-holes in displacement piece 33 311,321,331, and holder 31 and multiple through-holes 311,331 of displacement piece 33 are mutually aligned, and sealing element 32 and holder 31 multiple through-holes 321,331 mutual dislocations are misaligned.

Please referring initially to Fig. 7 A and Fig. 6, displacement piece 33 is an electrically charged material, and holder 31 is a dipolar conduction Material, to enable displacement piece 33 and holder 31 maintain identical polar, and it is close towards sealing element 32, constitute the closing of valve 3；Please join again Read Fig. 7 B, displacement piece 33 is an electrically charged material, and holder 31 is a dipolar conductive material, with enable displacement piece 33 with Holder 31 maintains opposed polarity, and close towards holder 31, constitutes the unlatching of threshold switch 3, through the pole of adjustment holder 31 Property, to keep displacement piece 33 mobile, state is unlatched and closed form threshold switch 3.Wherein processor 5 is electrically connected valve 3, so that Holder 31 can control its polarity by processor 5.

In addition, the displacement piece 33 of above-mentioned valve 3 can be a magnetic material, and holder 31 can controlled conversion pole for one Property magnetic material, when displacement piece 33 and holder 31 maintain identical polar, displacement piece 33 is close towards sealing element 32, makes valve 3 It closes；Conversely, displacement piece 33 will be close towards holder 31, make when holder 31 changes polarity and 33 opposed polarity of displacement piece Opened at the valve 3, by it is described above it is known that by adjusting holder 31 magnetism, keep displacement piece 33 mobile, adjustable valve 3 unlatch and close state.The holder 31 can control its pole polarity by processor 5.

In conclusion gas-detecting device provided by this case, through the gas being respectively arranged in multiple disagreement runners Actuator is transmitted, the indoor air of venting cavity disagreement channel and interface channel can be directed into, make the external biography in interface channel Sensor detection enters connection and leads to interior air information, and to learn air quality information, and above-mentioned external sensor is with detachable It is mounted in interface channel likes, is available for users to and is replaced with easily according to its demand to detect be intended to detection gas External sensor.

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 (21)

1. a kind of gas-detecting device, it is characterised in that include:

One shell has a ventilation chamber, at least an air inlet, at least a disagreement runner and at least a connection channel, the ventilation Chamber is connected outside through a connection at least air inlet and with the shell, and wherein an at least disagreement runner and the ventilation chamber connect It is logical, and this at least at least a disagreement runner is connected to a connection channel with this；

An at least gas transport actuator, respective framework in this at least a disagreement runner, comprising an inlet plate, a resonance plate, One piezoelectric actuating elements are provided with being actuated guiding air draught and are imported in the venting cavity room by an at least air inlet, and enter The disagreement runner；

An at least valve is respectively arranged at this at least between a connection channel and an at least disagreement runner, to direct the air into this At least a connection channel；And

An at least external sensor has removably been connected at least a connection channel, it includes a sensor, with to this extremely Air in few a connection channel is sensed.

2. gas-detecting device as described in claim 1, which is characterized in that the inlet plate of the gas transport actuator has An at least air inlet, at least one confluence round and a confluence chamber, wherein an at least air inlet is for importing air-flow, the busbar connector Hole corresponds to the air inlet, and the air-flow of the air inlet is guided to converge into the confluence chamber；The resonance plate is corresponding with a hollow hole It in the confluence chamber, and is a movable part around the hollow hole；And the piezoelectric actuating elements are corresponding with the resonance plate sets It sets；Wherein, a chamber is formed between the resonance plate and the piezoelectric actuating elements, when so that the piezoelectric actuating elements being driven, is made Air-flow is imported by an at least air inlet for the inlet plate, is collected to the confluence chamber through at least one confluence round, is passed through The hollow hole of the resonance plate generates resonance by the movable part of the piezoelectric actuating elements and the resonance plate to enter in the chamber Transmission airflow.

3. gas-detecting device as claimed in claim 2, which is characterized in that the piezoelectric actuating elements include:

One suspension board has a first surface and a second surface, and flexible vibration；

One outline border, around the periphery for being set to the suspension board；

An at least interconnecting piece is connected between the suspension board and the outline border, to provide resilient support；And

One piezoelectric patches has a side length, which is less than or equal to a side length of the suspension board, and the piezoelectric patches is attached at this and hangs On one first surface of kickboard, to apply voltage to drive the suspension board bending vibration.

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

5. gas-detecting device as described in claim 1, which is characterized in that a processor and a communication module are further included, In the processor control the starting and closing of the communication module, the gas transport actuator and the valve, and the external sensor The sensor is connected at least a connection channel, and for making electrical property and data connection with the processor, and the sensor is detected As a result analysis being carried out through the processor and being converted into a monitoring numerical value, which is sent to a connection by the communication module and fills It sets, to show the monitoring numerical value and notification warning.

6. gas-detecting device as claimed in claim 5, which is characterized in that the communication 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 be for a Wi-Fi module, At least one of one bluetooth module, a radio frequency identification module and a near field communication module.

9. gas-detecting device as claimed in claim 5, which is characterized in that the connection device is a cloud system, one can take Formula device, a computer system etc. at least one.

10. gas-detecting device as claimed in claim 5, which is characterized in that further comprise a battery module, be somebody's turn to do with providing Processor electric energy makes the processor control the biography of the gas transport actuator, the communication module, the valve, the external sensor The starting of sensor, and can an external power supply unit to receive and store the electric energy of the power supply unit.

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 sensor of the external sensor includes oxygen Group made of at least one of gas sensor, carbon monoxide transducer and carbon dioxide sensor or any combination thereof.

14. gas-detecting device as described in claim 1, which is characterized in that the sensor of the external sensor includes one Volatile organic matter sensor.

15. gas-detecting device as described in claim 1, which is characterized in that the sensor of the external sensor includes thin Group made of at least one of bacterium sensor, viral sensor and microbiological sensor or any combination thereof.

16. gas-detecting device as described in claim 1, which is characterized in that the sensor of the external sensor includes one Group made of at least one any combination of temperature sensor and a humidity sensor.

17. gas-detecting device as claimed in claim 5, which is characterized in that the valve includes a holder, a sealing element and one Displacement piece, wherein the displacement piece is set between the holder and the sealing element and the holder, the sealing element and the displacement Multiple through-holes are respectively provided on part, and multiple lead to the hole site are to be mutually aligned in the holder and the displacement piece, and the sealing element It is that mutual dislocation is misaligned with multiple lead to the hole site of the holder, wherein the displacement piece controls it towards the holding by the processor Part is close, to constitute the unlatching of the valve.

18. gas-detecting device as claimed in claim 17, which is characterized in that the displacement piece is an electrically charged material, and The holder is a dipolar conductive material, which controls the displacement piece and the holder and maintain opposed polarity, and court The holder is close, to constitute the unlatching of the valve.

19. gas-detecting device as claimed in claim 17, which is characterized in that the displacement piece is an electrically charged material, and The holder is a dipolar conductive material, which controls the displacement piece and the holder and maintain identical polar, and court The sealing element is close, constitutes the closing of the valve.

20. gas-detecting device as claimed in claim 17, which is characterized in that the displacement piece is a magnetic material, and The holder be one can the polar magnetic material of controlled conversion, which controls the displacement piece and the holder and maintains not homopolarity Property, and it is close towards the holder, to constitute the unlatching of the valve.

21. gas-detecting device as claimed in claim 17, which is characterized in that the displacement piece is a magnetic material, and The holder be one can the polar magnetic material of controlled conversion, which controls the displacement piece and the holder and maintains same pole Property, and it is close towards the sealing element, to constitute the closing of the valve.