TWM561790U - Gas detecting device - Google Patents

Abstract

A gas detecting device comprises: a casing having a venting chamber, an air inlet, a bifurcated flow passage and a connecting passage, wherein the venting chamber communicates with the outside of the casing through the air inlet, wherein the divergent flow passage communicates with the venting chamber, The connecting channel is connected to the divergent flow channel; the gas transmission actuator is constructed on the bifurcated flow channel, and comprises a gas venting plate, a cavity frame, a piezoelectric actuator, an insulating frame and a conductive frame for being actuated The guiding air flow is introduced into the ventilating chamber from the air inlet and enters the divergent flow channel; the valves are respectively disposed between the connecting passage and the branch flow passage to control the air introduction connecting passage; and the external sensor is The detachable ground is connected to the connecting passage, which includes a sensor to sense the air in the connecting passage.

Description

Gas detection device

The present invention relates to a gas detecting device, and more particularly to a gas detecting device having a gas transfer actuator for conducting gas.

In recent years, the air pollution problem in China and neighboring areas has become more and more serious, leading to many harmful gases in daily life. If it cannot be detected in time, it will affect the health of the human body.

In addition, users will have different gas detection requirements for different places, such as factories, offices, homes, etc., such as gas sensors that require volatility or toxic gases that cause inhalation damage, homes, offices. It is a sensor for carbon monoxide, carbon dioxide, temperature, humidity, etc., but the gas detection devices currently available on the market are all integrated gas detection devices, and the detected gas has been determined before leaving the factory, and cannot be selected according to the user. Gas detection required, such a gas detection device cannot provide complete detection of user needs, and there is a real need for improvement. In view of this, how to develop a gas detecting device that can be sensed according to gas detection requirements is currently an extremely important issue.

The main purpose of this case is to provide a gas detecting device for detecting the air sensor as an external sensor, providing users with timely and accurate gas information, which can be selected and matched according to the needs of the user. The sensor has an easy-to-replace function for improved usability and convenience.

A generalized embodiment of the present invention is a gas detecting device comprising: a housing having a venting chamber, at least one air inlet, at least one bifurcated flow channel, and at least one connecting passage, the venting chamber passing through the at least one The air inlet is in communication with the outside of the housing, wherein the at least one branch flow channel is in communication with the venting chamber, and the at least one connecting channel is in communication with the at least one bifurcated flow channel; at least one gas transmission actuator is configured At least one bifurcated flow channel comprising a gas orifice sheet, a cavity frame, a piezoelectric actuator, an insulating frame and a conductive frame for introducing the guided air flow by the at least one air inlet The venting chamber enters the at least one bifurcated flow channel; at least one valve is disposed between the at least one connecting passage and the at least one bifurcated flow passage to control air introduction into the at least one connecting passage; and at least An external sensor is detachably assembled to the at least one connecting channel, and includes a sensor for sensing air in the at least one connecting channel.

Some exemplary embodiments embodying the features and advantages of the present invention are described in detail in the following description. It is to be understood that the present invention is capable of various modifications in various embodiments, and is not intended to limit the scope of the invention.

This case provides a gas detection device, please also refer to Figure 1 to Figure 3. In the embodiment of the present invention, the gas detecting device 100 comprises a casing 1, at least one gas transmission actuator 2, at least one valve 3 and at least one external sensor 4; the casing 1 has a ventilation chamber 11, at least one The air inlet 12, the at least one branch flow path 13 and the at least one connecting channel 14, the above-mentioned branch flow path 13, the connection channel 14, the gas transmission actuator 2, and the valve 3 are all corresponding to each other, and the divergent flow path 13 is hereinafter. The number of components such as the connecting passage 14, the gas transmission actuator 2, and the valve 3 are all described as examples, and are not limited thereto. The ventilating chamber 11 communicates with the outside of the casing 1 via the air inlet 12 and communicates with the five branch channels 13 respectively, and the casing 1 has a plurality of partitions 15 therein, and the partitions 15 are used to partition the five partitions 15 The divergent flow channel 13 and the five connecting channels 14, the number and position of the five connecting channels 14 respectively correspond to and communicate with the five different flow channels 13, and the five gas transmission actuators 2 are respectively corresponding to the five different flow paths. 13 is used to introduce the air in the venting chamber 11 into the divergent flow passage 13; the five valves 3 are respectively disposed between the five connecting passages 14 and the five bifurcated flow passages 14 for controlling air introduction. The channel 14 is connected. Finally, the five external sensors 4 are detachably assembled to the five connecting channels 14, respectively. Each of the external sensors 4 includes a sensor (not shown) inside, and the sensor The sensor can be a volatile organic sensor, or the sensor can be a bacterial sensing device, or one of a combination of an oxygen sensor, a carbon monoxide sensor, a carbon dioxide sensor, or a combination of carbon dioxide sensors. One or a combination of a sensor, a virus sensor, and a microbial sensor, or the sensor can be a temperature One or a combination of a degree sensor or a humidity sensor to detect the air connecting the channels 14.

Referring to Figures 3, 4, and 5A through 5C, an embodiment of a gas transfer actuator is shown. The gas transmission actuator 2 includes a plurality of air-jet aperture sheets 21, a cavity frame 22, an actuator 23, an insulating frame 24 and a conductive frame 25; the air-jet aperture piece 21 includes a plurality of brackets 21a and a suspension piece 21b. a hollow hole 21c and at least one gap 21d, the suspension piece 21b can be flexed and vibrated, and the plurality of brackets 21a are adjacent to the circumference of the suspension piece 21b. In this embodiment, the number of the brackets 21a is four, respectively adjacent to the suspension piece 21b. 4 corners, but not limited thereto, are fixed to the partitions 15 through the four brackets to position the air venting holes 21 in the branch flow passages 14, and the hollow holes 21c are formed in the suspension. The center position of the sheet 21b, the gap 21d is an air flow hole between the brackets 21a; the cavity frame 22 is carried on the suspension piece 21b, and the actuator 23 is stacked on the cavity frame 22, and includes a a piezoelectric carrier 23a, an adjustment resonator plate 23b, and a piezoelectric plate 23c, wherein the piezoelectric carrier 23a is stacked on the cavity frame 22, and the adjustment resonator plate 23b is stacked on the piezoelectric carrier 23a. The piezoelectric plate 23c is placed on the adjustment resonance plate 23b for deformation after application of a voltage. The piezoelectric carrier 23a and the adjustment resonator plate 23b are driven to perform reciprocating bending vibration; the insulating frame 24 is carried on the piezoelectric carrier 23a stacked on the actuator 23, and the conductive frame 25 is stacked on the insulating frame 24. A resonant cavity 26 is formed between the actuator 23, the cavity frame 24 and the suspension piece 21b. Further, the thickness of the adjustment resonator plate 23b is larger than the thickness of the piezoelectric carrier 23a.

Referring to FIG. 5B, when a driving voltage is applied to the piezoelectric plate 23c of the actuator 23, the piezoelectric plate 23c is deformed by the piezoelectric effect and the resonance plate 23b and the piezoelectric carrier 23a are adjusted by the same portion. The fumarole 21 will be driven together by the Helmholtz resonance principle, causing the actuator 23 to move downward, and the volume of the divergent flow passage 13 is increased due to the downward displacement of the actuator 23 for ventilation. The air in the chamber 11 will enter the branch flow path 13 from the gap 21d between the brackets 21a of the air-jet aperture piece 21 due to the pressure gradient, and the air also enters the resonance chamber 26 from the hollow hole 21c; please refer to FIG. 5C, air. Continuously entering the divergent flow passage 13, at this time, the actuator 23 is driven upward by the voltage, which will compress the volume of the divergent flow passage 13 and push the air into the connecting passage 14, while the air of the resonance chamber 26 will also The air is ejected from the hollow hole 21c, and the air is supplied to the sensor of the external sensor 4 to detect the air, and the air in the ventilating chamber 11 is continuously sucked through the gas transmission actuator 2, so that the air outside the casing 1 can continuously pass. The air inlet 12 enters the ventilation chamber The chamber 11 flows into the branch flow passage 13 and the connecting passage 14 for the external sensor 4 to measure the specific gas content of the air connecting the passages 14.

Continuing to refer to FIG. 2 and FIG. 6 , the gas detecting device 100 further includes a processor 5 , a communication module 6 , and a battery module 7 . The processor 5 is electrically connected to the battery module 7 and the communication module 6 . The gas transmission actuator 2 and the valve 3 are used to control the activation of the gas transmission actuator 2, and the external sensor 4 is connected to the connection channel 14 and can be electrically connected to the processor 5, thereby The detected result of the sensor in the external sensor 4 can be analyzed and stored by the processor 5, and can be converted into a monitoring value; when the processor 5 activates the gas transmission actuator 2, the gas transmission actuator 2, the air is drawn to make the air enter the divergent flow channel 13 and the connecting channel 14, and the sensor in the external sensor 4 in the connecting channel 14 starts to detect the air in the connecting channel 14, and the detection result is detected. The processor 5 calculates the content of the gas to be tested in the air according to the detection result, and analyzes and generates the monitoring value for storage. The monitoring value stored by the processor 5 is sent by the communication module 6 to the a connecting device 300, the connecting device 300 can be a cloud Systems, portable devices, computer systems, one of the display device or the like, to display and inform the alarm monitor value.

In addition, the communication module 6 can be wired or wirelessly transmitted to the external connection device 300, and the wired transmission mode is as follows: for example, a wired transmission module of one of USB, mini-USB, micro-USB, or the like, or The wireless transmission mode is as follows: for example, a wireless transmission module of one of a Wi-Fi module, a Bluetooth module, a radio frequency identification module, and a near field communication module.

As described above, the battery module 7 is configured to store electrical energy, output electrical energy, and provide electrical energy to the processor 5, so that the processor 5 controls the gas transmission actuator 2, the communication module 6, the valve 3, and the external sensor 4 In addition, the battery module 7 can externally connect a power supply device 200, receive the energy of the power supply device 200 and store it, and the power supply device 200 can transmit energy by wired conduction, and can also transmit energy through wireless conduction to The battery module 7 is not limited thereto.

Continuing to refer to FIGS. 2 and 7A, the valve 3 includes a retaining member 31, a seal member 32, and a displacement member 33. The displacement member 33 is disposed between the holder 31 and the sealing member 32. The holder 31, the sealing member 32 and the displacement member 33 respectively have a plurality of through holes 311, 321, 331, and the plurality of through holes 311 of the holder 31 are The plurality of through holes 331 of the displacement member 33 are aligned with each other, and the plurality of through holes 321 of the sealing member 32 and the plurality of through holes 331 of the holder 31 are misaligned with each other.

Referring to FIGS. 7A and 6 , the displacement member 33 is a charged material, and the holder 31 is a bipolar conductive material to maintain the displacement member 33 and the holder 31 at the same polarity, and toward the sealing member 32. Closely, the valve 3 is closed; please refer to FIG. 7B, the displacement member 33 is a charged material, and the holder 31 is a two-polar conductive material to maintain the displacement member 33 and the holder 31 at different polarities. Approaching the holder 31 closes to form the opening of the valve 3, and by adjusting the polarity of the holder 31, the displacement member 33 is moved to form the open and closed state of the valve 3. The processor 5 is electrically connected to the valve 3 such that the holder 31 can be controlled by the processor 5 in its polarity.

In addition, the displacement member 33 of the valve 3 described above may be a magnetic material, and the holder 31 is a magnetic material of controlled polarity. When the displacement member 33 and the holder 31 maintain the same polarity, the displacement member 33 faces the seal. The member 32 is close to close the valve 3; conversely, when the retaining member 31 changes polarity and has a different polarity from the displacement member 33, the displacement member 33 will approach the holder 31, constituting the valve 3 to be opened, as can be seen from the above description, by adjusting The magnetism of the holder 31 moves the displacement member 33 to adjust the opening and closing states of the valve 3. The holder 31 can be controlled by the processor 5 to have its magnetic pole polarity.

In summary, the gas detecting device provided in the present invention introduces air in the ventilating chamber into the divergent passage and the connecting passage through the gas transmission actuators respectively disposed in the plurality of different flow passages, so as to provide an external sense in the connecting passage. The detector can detect the air information entering the connection to learn the air quality information, and the external sensors are detachably assembled in the connection channel, so that the user can easily replace the need according to the needs thereof. Gas sensor.

This case has been modified by people who are familiar with the technology, but it is not intended to be protected by the scope of the patent application.

100‧‧‧Gas detection device
1‧‧‧shell
11‧‧‧ Ventilation chamber
12‧‧‧air inlet
13‧‧‧Different runners
14‧‧‧Connected channel
15‧‧‧Baffle
2‧‧‧ gas transmission actuator
21‧‧‧jet film
21a‧‧‧ bracket
21b‧‧‧suspension tablets
21c‧‧‧ hollow holes
21d‧‧‧ gap
22‧‧‧ cavity frame
23‧‧‧Actuator
23a‧‧‧Piezo carrier
23b‧‧‧Adjusting the resonance plate
23c‧‧‧Piezoelectric plate
24‧‧‧Insulation frame
25‧‧‧Electrical frame
26‧‧‧Resonance chamber
3‧‧‧ valve
31‧‧‧ Holder
32‧‧‧Seal
33‧‧‧ displacement parts
311, 321, 331‧‧‧ through holes
4‧‧‧External sensor
5‧‧‧ Processor
6‧‧‧Communication module
7‧‧‧Battery module
200‧‧‧Power supply unit
300‧‧‧Linking device

Figure 1 is a schematic view showing the structure of the gas detecting device of the present invention. Fig. 2 is a schematic cross-sectional view showing the gas detecting device shown in Fig. 1. Figure 3 is a schematic view of the gas transmission actuator of the gas detecting device of the present invention. Figure 4 is an exploded perspective view of the gas transmission actuator related components of the present invention. Figure 5A is a schematic cross-sectional view of the gas transfer actuator shown in Figure 4. Fig. 5B and Fig. 5C are diagrams showing the operation of the gas transmission actuator shown in Fig. 5A. Figure 6 is a block diagram of the gas detecting device of the present invention. Fig. 7A and Fig. 7B are schematic diagrams showing the valve actuation of the gas detecting device of the present invention.

Claims (20)

A gas detecting device comprising: a housing having a venting chamber, at least one air inlet, at least one bifurcated flow channel, and at least one connecting passage, the venting chamber passing through the at least one air inlet and outside the housing Connected to each other, wherein the at least one bifurcated flow channel is in communication with the venting chamber, and the at least one connecting channel is in communication with the at least one bifurcated flow channel; at least one gas transfer actuator is disposed on the at least one bifurcated flow channel The utility model comprises a jet hole piece, a cavity frame, a piezoelectric actuator, an insulating frame and a conductive frame, wherein the actuated guiding air flow is introduced into the ventilating chamber from the at least one air inlet and enters The at least one branching channel is disposed between the at least one connecting channel and the at least one branching channel to control air introduction into the at least one connecting channel; and at least one external sensor to Removably assembled to the at least one connecting channel, the sensor includes a sensor for sensing air in the at least one connecting channel. The gas detecting device of claim 1, wherein the housing comprises at least one partition, and the gas jet orifice of the gas transmission actuator comprises a plurality of brackets, a suspension piece and a hollow hole, the suspension piece The plurality of brackets are sleeved and fixed on the at least one partition to position the air venting aperture in the branch flow path, and the plurality of brackets and the suspension sheet and the partition plate are formed At least one gap; the cavity frame is stacked on the suspension sheet; the piezoelectric actuator is stacked on the cavity frame, and a voltage is applied to generate a reciprocating bending vibration; the insulating frame is stacked on the suspension And the conductive frame is disposed on the insulating frame; wherein a resonant cavity is formed between the actuator, the cavity frame and the suspension piece, and the actuator is driven to drive the The air vent sheet generates a resonance, and the suspension piece of the air vent sheet is reciprocally vibrated to generate the air guiding through the at least one gap into the branch flow path to realize rapid transmission of air. The gas detecting device of claim 2, wherein the piezoelectric actuator comprises: a piezoelectric carrier plate stacked on the cavity frame; an adjustment resonance plate, the carrier is stacked on the pressure And a piezoelectric sheet, which is stacked on the adjustment resonance plate, applies a voltage to drive the piezoelectric carrier, and adjusts the resonance plate to generate reciprocating bending vibration. The gas detecting device of claim 1, further comprising a processor and a communication module, wherein the processor controls the communication module, the gas transmission actuator and the activation of the valve, and the external connection The sensor of the sensor is connected to one of the plurality of connection channels for electrical and data connection with the processor, and the detected result of the sensor is analyzed and converted into a monitored value by the processor. The monitoring value is sent by the communication module to the external connection device to display the monitoring value and the alarm indication. The gas detecting device of claim 4, wherein the communication module is at least one of a wired transmission module and a wireless transmission module. The gas detecting device of claim 5, wherein the wired transmission module is at least one of a USB, a mini-USB, and a micro-USB. The gas detecting device of claim 5, wherein the wireless transmission module is at least a Wi-Fi module, a Bluetooth module, a radio frequency identification module, and a near field communication module. one of them. The gas detecting device of claim 4, wherein the external connecting device is at least one of a cloud system, a portable device, a computer system, and the like. The gas detecting device of claim 4, further comprising a battery module for providing stored electrical energy, outputting electrical energy, and providing the electrical energy to the processor, so that the processor controls the gas transmitting actuator, The communication module, the valve, the sensor of the external sensor are activated, and can be connected with an external power supply device to receive and store the electrical energy. The gas detecting device of claim 9, wherein the power feeding device delivers the electric energy in a wired conduction manner to the battery module for storage. The gas detecting device of claim 9, wherein the power feeding device delivers the electric energy in a wireless conduction manner to the battery module for storage. The gas detecting device of claim 1, wherein the sensor of the external sensor comprises at least one of an oxygen sensor, a carbon monoxide sensor, and a carbon dioxide sensor or Any combination of groups. The gas detecting device of claim 1, wherein the sensor of the external sensor comprises a volatile organic sensor. The gas detecting device of claim 1, wherein the sensor of the external sensor comprises at least one of monitoring a bacteria sensor, a virus sensor and a microorganism sensor or Any group of any combination. The gas detecting device of claim 1, wherein the sensor of the external sensor comprises any combination of at least one of a temperature sensor and a humidity sensor. The gas detecting device of claim 4, wherein the valve comprises a retaining member, a sealing member and a displacement member, wherein the displacement member is disposed between the retaining member and the sealing member, and the retaining member The sealing member and the displacement member respectively have a plurality of through holes, and the positions of the plurality of through holes on the holding member and the displacement member are aligned with each other, and the positions of the plurality of through holes of the sealing member and the holding member are A misalignment misalignment is formed wherein the displacement member is controlled by the processor toward the holder to form the opening of the valve. The gas detecting device of claim 16, wherein the displacement member is a charged material, and the holding member is a two-polar conductive material, and the processor controls the displacement member to maintain a different polarity from the holder. And approaching the holder to form the opening of the valve. The gas detecting device of claim 16, wherein the displacement member is a charged material, and the holding member is a two-polar conductive material, and the processor controls the displacement member to maintain the same polarity as the holder And approaching the seal, forming the closure of the valve. The gas detecting device of claim 16, wherein the displacement member is a magnetic material, and the holding member is a magnetic material of controlled polarity, the processor controls the displacement member and the holder Different polarities are maintained and approached toward the retaining member to form the opening of the valve. The gas detecting device of claim 16, wherein the displacement member is a magnetic material, and the holding member is a magnetic material of controlled polarity, the processor controls the displacement member and the holder The same polarity is maintained and approaches the seal to form the closure of the valve.