TWM568360U - Gas detection device - Google Patents

Abstract

A gas detecting device comprises: a body having a chamber inside, and a first air inlet, a second air inlet and an air outlet communicating with the chamber; a gas detecting module comprising a cavity body, a carrier plate, a sensor and a first actuator; a particle monitoring module disposed in the chamber and including a ventilation inlet, a ventilation outlet, a particle monitoring base, and a laser emission a second actuator and a particle sensor, the gas enters the interior of the particle monitoring base from the venting inlet, and the spot formed by the laser beam emitted by the laser emitter is detected by the laser beam to the surface of the particle sensor to detect the The particle size and concentration of the suspended particles contained in the gas are discharged from the venting outlet; and a control module controls the monitoring operation of the gas detecting module and the particle monitoring module, and the gas detecting module and The monitoring data of the particle monitoring module is converted into a monitoring data storage and can be transferred to an external device for storage.

Description

Gas detection device

The present invention relates to a gas detecting device, and more particularly to a thin, portable gas detecting device capable of gas monitoring.

Modern people are paying more and more attention to the gas quality around them, such as carbon monoxide, carbon dioxide, volatile organic compounds (VOC), PM2.5, nitrogen monoxide, sulfur monoxide, etc., even in gases. The particles contained in the environment will affect the health of the human body, and even seriously endanger life. Therefore, the quality of environmental gases has attracted the attention of all countries. At present, it is urgently needed to monitor and avoid it.

How to confirm the quality of gas, it is feasible to use a gas sensor to monitor the surrounding environment. If it can provide monitoring information immediately, it can alert people in the environment to prevent or escape immediately, and avoid being exposed to the environment. Gas exposure causes human health effects and injuries, and the use of gas sensors to monitor the surrounding environment is a very good application.

However, the portable device is a mobile device that modern people will carry out. Therefore, it is very important to embed the gas detecting module in the portable device, especially the current development trend of the portable device is light and thin. In addition, when it is necessary to have high performance, how to use the gas detection module in a thin form and set it in a portable device for use is an important subject of research and development in this case.

The main purpose of the present invention is to provide a gas detecting device which is a thin portable device, which can monitor the ambient air quality of the user at any time by using the gas detecting module, and can quickly and stably introduce the gas by using the first actuator. In the gas detection module, not only the efficiency of the sensor is improved, but also the compartment of the compartment body is designed to separate the first actuator from the sensor, so that the sensor can monitor and reduce the heat source effect of the first actuator. It does not affect the monitoring accuracy of the sensor, and can be affected by other components (control modules) in the device, so that the gas detecting device can be detected at any time and anywhere, and can have a fast and accurate monitoring effect. It has a particle monitoring module to monitor the concentration of particles in the surrounding air and provide monitoring information to the external device. The information can be instantly received to alert the person in the environment to prevent or escape immediately. Exposure to gases in the environment causes human health effects and injuries.

A generalized embodiment of the present invention is a gas detecting device comprising a body having a chamber therein; a gas detecting module disposed in the chamber, including a sensor and a first actuator, the first An actuator control gas is introduced into the gas detection module and monitored by the sensor; a particle monitoring module is disposed in the chamber and includes a laser emitter, a second actuator and a particle sensor. The second actuator controls the gas to be introduced into the particle monitoring module, and is irradiated by the laser beam emitted by the laser emitter to project a light spot in the gas to the surface of the particle sensor to detect the particle size of the suspended particles contained in the gas. And a control module for controlling the monitoring operation of the gas detection module and the particle monitoring module, and converting the monitoring data of the gas detection module and the particle monitoring module into a monitoring data storage, And can be transferred to an external device for storage.

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.

Please refer to FIG. 1A to FIG. 1E and FIG. 2 . The present invention provides a gas detecting device comprising a body 1 , a gas detecting module 2 , a particle monitoring module 3 , and a control module 4 . The gas detecting device is required to form a thin portable device. Therefore, the external structure design needs to be such that the user can easily grasp and not easily fall and has the convenience of carrying. In the external size of the body 1, a thinned rectangular body needs to be designed. Therefore, the outer dimension of the body 1 has a length L, a width W and a height H, and is optimized in the body 1 according to the current gas detecting module 2, the particle monitoring module 3 and the control module 4. Configuration design, in order to meet the optimal configuration design, the length L of the body 1 is configured to be 92~102mm, the length L is 97mm is the best, the width W is 41~61mm, the width W is 51mm is the best, and the height is The configuration of H is 19 to 23 mm, and the height H is 21 mm. This is an implementation design that allows the user to hold the handle easily and is not easy to drop. The body 1 has a chamber 11 therein, and is provided with a first air inlet 12 and a second air inlet 13 and an air outlet 14 communicating with the chamber 11.

Referring to FIG. 2 and FIG. 3A to FIG. 3C , the gas detecting module 2 includes a compartment body 21 , a carrier 22 , a sensor 23 , and a first actuator 24 . The compartment body 21 is disposed under the first air inlet 12 of the body 1 and is separated by a spacer 211 to form a first compartment 212 and a second compartment 213. The spacer 211 has a notch 214 for the first The first compartment 212 and the second compartment 213 are connected to each other, and the first compartment 212 has an opening 215, the second compartment 213 has an air outlet 216, and the bottom of the compartment body 21 is provided with a receiving slot 217 for receiving The slot 217 is disposed in the carrier plate 22 for positioning to close the bottom of the cavity body 21, and the carrier 22 is provided with a vent 221, and the carrier 22 is packaged and electrically connected to a sensor 23, such as the carrier 22 sets are disposed under the compartment body 21, the vent 221 will correspond to the air outlet 216 of the second compartment 213, and the sensor 23 extends into the opening 215 of the first compartment 212 and is disposed in the first compartment 212. For detecting the gas in the first compartment 212, the first actuator 24 is disposed in the second compartment 213, and is isolated from the sensor 23 disposed in the first compartment 212, so that the first actuator 24 The heat source generated during the operation can be blocked by the spacer 211 without affecting the detection result of the sensor 23, and the first actuator 24 closing the bottom of the second compartment 213, and controlling the actuation to generate a guiding airflow, and then discharging through the air outlet 216 of the second compartment 213, and discharging the gas to the compartment body 21 through the vent 221 of the carrier 22. outer.

Please refer to FIG. 3A to FIG. 3C. The carrier board 22 can be a circuit board and has a connector 222 thereon. The connector 222 is provided for a circuit board (not shown) to be inserted into the connection. The carrier 22 is electrically connected and connected to the signal.

Referring to FIG. 4A to FIG. 5A , the first actuator 24 is a gas pump, and includes an air inlet plate 241 , a resonant plate 242 , and a piezoelectric actuator 243 . An insulating sheet 244 and a conductive sheet 245. The air inlet plate 241 has at least one air inlet hole 241a, at least one bus bar hole 241b, and a bus bar chamber 241c. The number of the air inlet hole 241a and the bus bar hole 241b are the same. In this embodiment, the air inlet hole 241a. The number of the bus bar holes 241b is exemplified by the number of four, and is not limited thereto; the four air inlet holes 241a respectively penetrate the four bus bar holes 241b, and the four bus bar holes 241b merge to the confluence chamber 241c.

The resonator piece 242 is slidably coupled to the air inlet plate 241. The resonator piece 242 has a hollow hole 242a, a movable portion 242b and a fixing portion 242c. The hollow hole 242a is located at the center of the resonance plate 242. And corresponding to the confluence chamber 241c of the air inlet plate 241, and a region disposed around the hollow hole 242a and facing the confluence chamber 241c is a movable portion 242b, and the outer peripheral portion of the resonance piece 242 is attached to the portion The air intake plate 241 is a fixing portion 242c.

The piezoelectric actuator 243 includes a suspension plate 243a, an outer frame 243b, at least one connecting portion 243c, a piezoelectric element 243d, at least one gap 243e, and a convex portion 243f. wherein the suspension plate 243a is a square The suspension plate has a first surface 2431a and a second surface 2432a opposite to the first surface 2431a. The outer frame 243b is disposed around the circumference of the suspension plate 243a, and the outer frame 243b has a pair of matching surfaces 2431b and a lower surface 2432b. It is connected between the suspension plate 243a and the outer frame 243b through at least one connecting portion 243c to provide a supporting force for elastically supporting the suspension plate 243a, wherein at least one gap 243e is between the suspension plate 243a, the outer frame 243b and the connecting portion 243c. A gap for the passage of gas. In addition, the first surface 2431a of the suspension plate 243a has a convex portion 243f. In the present embodiment, the convex portion 243f passes through the etching process of the peripheral edge of the convex portion 243f and adjacent to the connection portion 243c to be recessed. The convex portion 243f of the suspension plate 243a is higher than the first surface 2431a to form a stepped structure.

Further, as shown in FIG. 5A, the suspension plate 243a of the present embodiment is formed by press forming to be recessed downward, and the depression distance thereof can be adjusted by forming at least one connecting portion 243c between the suspension plate 243a and the outer frame 243b. Both the convex surface 2431f of the convex portion 243f on the suspension plate 243a and the combined surface 2431b of the outer frame 243b form a non-coplanar, that is, the convex surface 2431f of the convex portion 243f will be lower than the combined surface 2431b of the outer frame 243b. And the second surface 2432a of the suspension plate 243a is lower than the lower surface 2432b of the outer frame 243b, and the piezoelectric element 243d is attached to the second surface 2432a of the suspension plate 243a, opposite to the convex portion 243f, and the piezoelectric element 243d is applied. After the driving voltage is deformed by the piezoelectric effect, the suspension plate 243a is caused to bend and vibrate; a small amount of adhesive is applied to the assembled surface 2431b of the outer frame 243b, and the piezoelectric actuator 243 is bonded to the piezoelectric actuator 243 by heat pressing. The fixing portion 242c of the resonator piece 242, in turn, causes the piezoelectric actuator 243 to be combined with the resonance piece 242. In addition, the insulating sheet 244 and the conductive sheet 245 are both thin frame-shaped sheets, which are sequentially stacked under the piezoelectric actuator 243. In the present embodiment, the insulating sheet 244 is attached to the lower surface 2432b of the outer frame 243b of the piezoelectric actuator 243.

Continuing to refer to FIG. 5A, the air intake plate 241, the resonant plate 242, the piezoelectric actuator 243, the insulating sheet 244, and the conductive sheet 245 of the first actuator 24 are sequentially stacked and combined, and the first of the suspension plates 243a. A chamber spacing g is formed between the surface 2431a and the resonator piece 242. The chamber spacing g will affect the transmission effect of the first actuator 24, so maintaining a fixed chamber spacing g provides stability to the first actuator 24. The transmission efficiency is very important. The first actuator 24 of the present invention uses a punching method for the suspension plate 243a to be recessed downward so that both the first surface 2431a of the suspension plate 243a and the assembly surface 2431b of the outer frame 243b are non-coplanar, that is, suspended. The first surface 2431a of the plate 243a will be lower than the assembly surface 2431b of the outer frame 243b, and the second surface 2432a of the suspension plate 243a is lower than the lower surface 2432b of the outer frame 243b, such that the suspension plate 243a of the piezoelectric actuator 243 is recessed. Forming a space to form an adjustable chamber spacing g with the resonant plate 242, directly improving the structure of the cavity 246 by forming the recessed plate 243a of the piezoelectric actuator 243 by forming a recess, thereby The required chamber spacing g can be achieved by adjusting the recess distance of the suspension plate 243a of the piezoelectric actuator 243, which simplifies the structural design of adjusting the chamber spacing g, and also achieves the advantages of simplifying the process and shortening the processing time. .

5B to 5D are diagrams showing the operation of the first actuator 24 shown in FIG. 5A. Referring to FIG. 5B, the piezoelectric element 243d of the piezoelectric actuator 243 is subjected to a driving voltage to generate a deformation. The suspension plate 243a is displaced downward, and the volume of the chamber space 246 is increased, and a negative pressure is formed in the chamber space 246, so that the air in the confluence chamber 241c is taken into the chamber space 246, and the resonator 242 is resonated. The influence of the principle is synchronously displaced downward, which increases the volume of the confluence chamber 241c, and due to the relationship of the air in the confluence chamber 241c into the chamber space 246, the confluence chamber 241c is also in a negative pressure state, and then passes through. The bus bar hole 241b and the air inlet port 241a suck air into the confluence chamber 241c; referring to FIG. 5C, the piezoelectric element 243d drives the suspension plate 243a upward to compress the chamber space 246, forcing the cavity space 246. The air is transported downward through the gap 243e to achieve the effect of transmitting air. At the same time, the resonator piece 242 is also displaced upward by the suspension plate 243a due to resonance, and the gas in the confluence chamber 241c is synchronously pushed to move into the chamber space 246; Referring to FIG. 5D, when the suspension plate 243a is driven downward, the resonator piece 242 is also driven to be displaced downward, and the resonator piece 242 at this time will make the gas in the compression chamber space 246 to at least one gap 243e. Moving, and raising the volume in the confluence chamber 241c, allowing gas to continuously converge in the confluence chamber 241c through the intake hole 241a and the bus bar hole 241b, and repeating the above steps to make the first actuator 24 The gas can be continuously entered from the air inlet hole 241a, and then transmitted downward through at least one gap 243e to continuously capture the gas outside the gas detecting device, and the gas is supplied to the detector 23 for sensing, thereby improving the sensing efficiency.

Continuing to refer to FIG. 5A, another embodiment of the first actuator 24 can micro-electromechanically circulate the first actuator 24 into a MEMS gas pump, wherein the air inlet plate 241 and the resonant plate 242 The piezoelectric actuator 243, the insulating sheet 244, and the conductive sheet 245 are all made through a surface micromachining technique to reduce the volume of the first actuator 24.

Continuing to refer to FIG. 6 and FIG. 7 , when the gas detecting module 2 is embedded in the chamber 11 of the body 1 , the body 1 is illustrated in the drawings for convenience of explaining the gas flow direction of the gas detecting module 2 . The body 1 is transparent in the illustration for illustration, and the first air inlet 12 of the body 1 corresponds to the first compartment 212 of the compartment body 21, and the first air inlet 12 of the body 1 is located at the first compartment. The sensors 23 in the chamber 212 do not directly correspond to each other, that is, the first air inlet 12 is not directly above the sensor 23, and the two are misaligned with each other, so that the second actuator is actuated by the control of the first actuator 24. A negative pressure is formed in the 213, and the external air outside the body 1 is started to be extracted and introduced into the first compartment 212, so that the sensor 23 in the first compartment 212 starts to monitor the gas flowing over the surface to detect the body. When the first actuator 24 is continuously actuated, the monitored gas will be introduced into the second compartment 213 through the notch 214 on the spacer 211, and finally ventilated by the air outlet 216 and the carrier 22. The port 221 is discharged outside the compartment body 21 to form a unidirectional gas Sending monitoring (e.g., FIG. 6 of the air flow path within the meaning indicated A direction).

The sensor 23 may be a gas sensor, including a group of an oxygen sensor, a carbon monoxide sensor, a carbon dioxide sensor, a temperature sensor, an ozone sensor, and a volatile organic sensor, or a combination thereof; or The sensor 23 described above may be a group that monitors at least one of bacteria, viruses, and microorganisms, or any combination thereof.

It can be seen from the above description that the gas detecting device provided in the present invention can monitor the ambient air quality of the user at any time by using the gas detecting module 2, and the first actuator 24 can quickly and stably introduce the gas into the gas detecting module. 2, not only to improve the efficiency of the sensor 23, but also through the design of the first compartment 212 and the second compartment 213 of the compartment body 21, the first actuator 24 and the sensor 23 are separated from each other, so that the sensor 23 can monitor The barrier reduces the influence of the heat source of the first actuator 24, does not affect the monitoring accuracy of the sensor 23, and can also be affected by other components in the device, so that the gas detecting device can be detected at any time and anywhere. It also has fast and accurate monitoring results.

Referring to FIG. 1D, FIG. 1E, FIG. 8 and FIG. 9 , the gas detecting device provided in the present invention further has a particle monitoring module 3 for monitoring particles in the gas, and the particle monitoring module 3 is disposed on the body. The chamber 11 of FIG. 1 includes a venting inlet 31, a venting outlet 32, a particle monitoring base 33, a carrying partition 34, a laser emitter 35, a second actuator 36 and a particle sensor 37. The venting inlet 31 corresponds to the second air inlet 13 of the body 1, and the venting outlet 32 corresponds to the air outlet 14 of the body 1, so that the gas enters the interior of the particle monitoring module 3 from the venting inlet 31, and is discharged by the venting outlet 32. The particle monitoring base 33 and the load-bearing partition 34 are disposed inside the particle monitoring module 3, so that the internal space of the particle monitoring module 3 defines a first compartment 38 and a second compartment 39 by the carrying partition 34, and carries The partition 34 has a communication port 341 to communicate the first compartment 38 and the second compartment 39, and the second compartment 39 is in communication with the vent outlet 32, and the particle monitoring base 33 is adjacent to the load-bearing partition 34, and It is placed in the first compartment 38, and the particle monitoring base 33 has a receiving slot 331 and a supervisor. The measuring channel 332, the light beam channel 333 and the accommodating chamber 334, wherein the receiving groove 331 directly corresponds to the venting inlet 31, and the monitoring channel 332 is disposed below the receiving groove 331 and communicates with the communication port 341 of the carrying partition 34. The accommodating chamber 334 is disposed on the side of the monitoring channel 332, and the beam path 333 is connected between the accommodating chamber 334 and the monitoring channel 332, and the beam path 33 directly traverses the monitoring channel 332 vertically. The venting inlet 31, the receiving groove 331, the monitoring channel 332, the communication port 341, and the venting outlet 32 constitute a gas passage for guiding the gas, that is, a path in the direction indicated by the arrow in FIG.

The laser emitter 35 is disposed in the accommodating chamber 334, the second actuator 36 is disposed on the receiving groove 331, and the particle sensor 37 is electrically connected to the carrying partition 34 and located under the monitoring channel 332. The laser beam emitted by the laser emitter 35 is irradiated into the beam path 33, and the beam path 33 guides the laser beam to be irradiated into the monitoring channel 332 to illuminate the suspended particles contained in the gas in the monitoring channel 332. When the suspended particles are irradiated with the light beam, a plurality of light spots are generated, and the projection is received on the surface of the particle sensor 37, so that the particle sensor 37 senses the particle diameter and concentration of the suspended particles. The particle sensor of this embodiment is a PM2.5 sensor.

It can be seen from the above that the monitoring channel 332 of the particle monitoring module 3 directly corresponds to the ventilation inlet 31 directly, so that the air is directly guided above the monitoring channel 332 without affecting the airflow introduction, and the second actuator 36 is disposed on the receiving slot 331. The gas is introduced into the outside of the venting inlet 31, so that the gas is introduced into the monitoring channel 332 and detected by the particle sensor 37 to increase the efficiency of the particle sensor 37.

Continuing to refer to FIG. 9 , in addition, the foregoing carrying baffle 34 has an exposed portion 342 extending through the exterior of the particle monitoring module 3 , and the exposed portion 342 has a connector 343 for the flexible board to penetrate. The connection is provided to provide electrical connection and signal connection of the carrying partition 34. The carrier spacer 34 is a circuit board, but is not limited thereto.

To understand the characteristics of the above-mentioned particle monitoring module 3, the following describes the structure and operation mode of the second actuator 36:

Referring to FIG. 10, FIG. 11A to FIG. 11C, the second actuator 36 is a gas pump, and the second actuator 36 includes a gas jet plate 361, a cavity frame 362, which are sequentially stacked. The actuating body 363, the insulating frame 364 and the conductive frame 365; the air-jet aperture piece 361 includes a plurality of brackets 361a, a suspension piece 361b and a hollow hole 361c. The suspension piece 361b can flex and vibrate, and the plurality of brackets 361a are adjacent to the suspension piece 361b. In the present embodiment, the number of the brackets 361a is four, which are respectively adjacent to the four corners of the suspension piece 361b, but not limited thereto, and the hollow holes 361c are formed at the center position of the suspension piece 361b; the cavity frame 362 The carrier is stacked on the suspension piece 361b, and the actuating body 363 is stacked on the cavity frame 362, and includes a piezoelectric carrier 363a, an adjustment resonator plate 363b, and a piezoelectric plate 363c. The plate 363a is stacked on the cavity frame 362, and the adjustment resonator plate 363b is placed on the piezoelectric carrier 363a. The piezoelectric plate 363c is placed on the adjustment resonator plate 363b for deformation after being applied to drive the voltage. The electric carrier plate 363a and the adjustment resonance plate 363b are reciprocating The vibration frame; the insulating frame 364 is carried on the piezoelectric carrier 363a stacked on the actuating body 363, and the conductive frame 365 is carried on the insulating frame 364, wherein the actuating body 363, the cavity frame 362 and the suspension piece A resonant cavity 366 is formed between 361b.

Referring again to FIGS. 11A to 11C, the operation of the second actuator 36 of the present embodiment is shown. Referring to FIG. 9 and FIG. 11A , the second actuator 36 is disposed above the receiving groove 331 of the particle monitoring base 33 through the bracket 361 a , and the air vent 361 and the receiving groove 331 . The bottom surfaces are spaced apart and an air flow chamber 367 is formed therebetween; referring to FIG. 11B, when a voltage is applied to the piezoelectric plate 363c of the actuating body 363, the piezoelectric plate 363c begins to deform due to the piezoelectric effect. The adjustment of the resonance plate 363b and the piezoelectric carrier 363a are synchronously driven. At this time, the air-jet aperture piece 361 is driven together by the Helmholtz resonance principle, so that the actuation body 363 moves upward due to the actuation body 363. The upward displacement causes the volume of the airflow chamber 367 between the air venting sheet 361 and the bottom surface of the receiving groove 331 to increase, the internal air pressure of which forms a negative pressure, and the air outside the second actuator 36 will be due to the pressure gradient by the gas venting hole. The gap between the bracket 361a of the piece 361 and the side wall of the receiving groove 331 enters the air flow chamber 367 and is concentrated; finally, referring to FIG. 11C, the gas continuously enters the air flow chamber 367 to make the air flow chamber 367 The air pressure forms a positive pressure, at which time the actuating body 363 is subjected to a voltage The drive moves downwardly, compressing the volume of the airflow chamber 367, and pushing the gas in the airflow chamber 367, causing the gas to enter the monitoring channel 332 and providing the gas to the particle sensor 37 for detecting the gas within the gas through the particle sensor 37. Suspended particle concentration.

The second actuator 36 is a gas pump. Of course, the second actuator 36 of the present invention can also be MEMS gas pumped by a microelectromechanical process, wherein the air vent 361 and the cavity The frame 362, the actuating body 363, the insulating frame 364, and the conductive frame 365 are all made through a surface micromachining technique to reduce the volume of the second actuator 36.

Referring to FIG. 8 and FIG. 12 again, the control module 4 of the present invention includes a processor 41 and a communication component 42. The processor 41 controls the communication component 42, the sensor 23 of the gas detection module 2, and the first The actuator 24 and the particle sensor of the particle monitoring module 3 are activated, and the detected results of the sensor 23 and the particle sensor are converted into a monitoring data storage, and the monitoring data can be sent by the communication component 42. The external device 5 is stored. The external device 5 can be one of a cloud system, a portable device, a computer system, a display device, and the like to display monitoring data and an alarm indication. The communication component 42 can be transmitted to the external device 5 through wired transmission or wireless transmission, and the interface of one of the wired transmission modes, such as USB, mini-USB, micro-USB, and the like, is connected to the external transmission. In this embodiment, as shown in FIG. 1E. The cable interface C of the mini-USB indicated by the label is used for wired transmission, such as a Wi-Fi module, a Bluetooth module, a radio frequency identification module, and a near field communication module. The wireless interface (built into communication component 42) is externally transmitted. In addition, the control module 4 further includes a battery 43 for providing stored energy and outputting electrical energy, and can be combined with an external power supply device 6 to conduct electrical energy to receive electrical energy for storage, to provide power to the processor 41, and the processor 41 can provide The electrical and driving signals of the gas detecting module 2 and the particle monitoring module 3 are given. The power supply device 6 can transmit the electric energy to the battery 43 for storage by wire conduction or wireless conduction.

In summary, the gas detecting device provided in the present case can monitor the ambient air quality of the user at any time by using the gas detecting module, and the first actuator can quickly and stably introduce the gas into the gas detecting module. Not only improve the efficiency of the sensor, but also separate the first actuator from the sensor through the compartment design of the compartment body, so that the sensor can be monitored to reduce the heat source of the first actuator and not affect the monitoring of the sensor. Accuracy can also be affected by other components (control modules) in the device, so that the gas detection device can be detected at any time and anywhere, and can have fast and accurate monitoring effects. In addition, it has a particle monitoring module. To monitor the concentration of particulates in the surrounding air and provide monitoring information to external devices for immediate access to information to alert people in the environment to prevent or escape immediately, avoiding exposure to gases in the environment. Human health effects and injuries.

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.

1‧‧‧ Ontology

11‧‧‧ chamber

12‧‧‧First air inlet

13‧‧‧second air inlet

14‧‧‧ air outlet

2‧‧‧Gas detection module

21‧‧‧ compartment body

211‧‧‧ spacer

212‧‧‧First compartment

213‧‧‧ second compartment

214‧‧‧ gap

215‧‧‧ openings

216‧‧‧ Vents

217‧‧‧ accommodating slots

22‧‧‧ Carrier Board

221‧‧‧ vent

222‧‧‧Connector

23‧‧‧ Sensor

24‧‧‧First actuator

241‧‧‧Air intake plate

241a‧‧‧Air intake

241b‧‧‧ bus bar hole

241c‧‧‧ confluence chamber

242‧‧‧Resonance film

242a‧‧‧ hollow hole

242b‧‧‧movable department

242c‧‧‧Fixed Department

243‧‧‧ Piezoelectric Actuator

243a‧‧‧suspension plate

2431a‧‧‧ first surface

2432a‧‧‧second surface

243b‧‧‧Front frame

2431b‧‧‧ matching surface

2432b‧‧‧ lower surface

243c‧‧‧Connecting Department

243d‧‧‧Piezoelectric components

243e‧‧‧ gap

243f‧‧‧ convex

2431f‧‧‧ convex surface

244‧‧‧Insulation sheet

245‧‧‧Conductor

246‧‧‧chamber space

3‧‧‧Particle Monitoring Module

31‧‧‧ Ventilation entrance

32‧‧‧ Ventilation exit

33‧‧‧Particle monitoring base

331‧‧‧ socket

332‧‧‧Monitoring channel

333‧‧‧beam channel

334‧‧‧ housing room

34‧‧‧ Carrying partition

341‧‧‧Connecting port

35‧‧‧Laser transmitter

36‧‧‧Second actuator

361‧‧‧Air hole film

361a‧‧‧ bracket

361b‧‧‧suspension tablets

361c‧‧‧ hollow holes

362‧‧‧ cavity frame

363‧‧‧Acoustic body

363a‧‧‧Piezo carrier

363b‧‧‧Adjusting the resonance plate

363c‧‧ ‧thin plate

364‧‧‧insulation frame

365‧‧‧conductive frame

366‧‧‧Resonance chamber

367‧‧‧Airflow chamber

37‧‧‧Particle sensor

38‧‧‧First compartment

39‧‧‧Second compartment

4‧‧‧Control Module

41‧‧‧ Processor

42‧‧‧Communication components

43‧‧‧Battery

5‧‧‧External devices

6‧‧‧Power supply unit

L‧‧‧ length

W‧‧‧Width

H‧‧‧ Height

A‧‧‧ airflow path

C‧‧‧wired interface

G‧‧‧ Chamber spacing

FIG. 1A is a perspective view of the gas detecting device of the present invention. Figure 1B is a front elevational view of the gas detecting device of the present invention. Figure 1C is a schematic view of the front side of the gas detecting device of the present invention. Figure 1D is a schematic view of the right side of the gas detecting device of the present invention. Figure 1E is a schematic view of the left side of the gas detecting device of the present invention. Fig. 2 is a schematic cross-sectional view taken along line A-A of Fig. 1B. Fig. 3A is a front view showing the front view of the components of the gas detecting module of the gas detecting device of the present invention. FIG. 3B is a schematic view showing the appearance of the back side of the gas detecting module related components of the gas detecting device of the present invention. FIG. 3C is a schematic exploded view of the gas detecting module related components of the gas detecting device of the present invention. Fig. 4A is a schematic exploded view of the first actuator of the gas detecting module of the present invention. FIG. 4B is a schematic exploded view of the first actuator of the gas detecting module of the present invention. Figure 5A is a schematic cross-sectional view of the first actuator of the gas detecting module of the present invention. Fig. 5B to Fig. 5D are schematic diagrams showing the actuation of the first actuator of the gas detecting module of the present invention. Fig. 6 is a perspective view showing the gas flow direction of the gas detecting module of the gas detecting device of the present invention. Fig. 7 is a partially enlarged schematic view showing the gas flow direction of the gas detecting module of the gas detecting device of the present invention. Figure 8 is a schematic view showing the appearance of the particle monitoring module and the control module of the gas detecting device of the present invention. Figure 9 is a schematic cross-sectional view of the particle monitoring module of the gas detecting device of the present invention. Figure 10 is a schematic exploded view of the second actuator related component of the particle monitoring module of the present invention. 11A to 11C are schematic views showing the operation of the second actuator of the particle monitoring module of the present invention. Figure 12 is a schematic diagram showing the control of the control module related components of the gas detecting device of the present invention.

Claims (20)

A gas detecting device comprises: a body having a chamber therein; a gas detecting module disposed in the chamber, comprising a sensor and a first actuator, wherein the first actuator controls gas introduction into the chamber The inside of the gas detecting module is monitored by the sensor; a particle monitoring module is disposed in the chamber, and includes a laser emitter, a second actuator and a particle sensor, and the second actuator controls The gas is introduced into the particle monitoring module, and is irradiated by the laser beam emitted by the laser emitter to project a light spot in the gas to the surface of the particle sensor to detect the particle size and concentration of the suspended particles contained in the gas; and a control mode The group controls the monitoring operation of the gas detection module and the particle monitoring module, and converts the monitoring data of the gas detection module and the particle monitoring module into a monitoring data storage and can be transmitted to an external device. Store. The gas detecting device of claim 1, wherein the body is provided with a first air inlet, a second air inlet and an air outlet, respectively communicating with the chamber. The gas detecting device of claim 2, wherein the gas detecting module comprises a compartment body and a carrier, the compartment body is disposed below the first air inlet and is provided by a spacer area Forming a first compartment and a second compartment, the spacer has a gap for the first compartment and the second compartment to communicate with each other, and the first compartment has an opening, the second compartment The chamber has an air outlet, and the carrier is disposed under the cavity body and encapsulates and electrically connects the sensor, and the sensor penetrates into the opening and is disposed in the first compartment, and the first actuator The first actuator controls the gas to be introduced from the first air inlet, and is monitored by the sensor, and then discharged through the air outlet of the partition body. Outside. The gas detecting device of claim 1, wherein the gas detecting module The sensor comprises a group of at least one of an oxygen sensor, a carbon monoxide sensor, and a carbon dioxide sensor, or any combination thereof. The gas detecting device of claim 1, wherein the sensor of the gas detecting module comprises a volatile organic matter sensor. The gas detecting device of claim 1, wherein the sensor of the gas detecting module comprises a group that monitors at least one of bacteria, viruses, and microorganisms, or any combination thereof. The gas detecting device of claim 1, wherein the first actuator of the gas detecting module is a MEMS gas pump. The gas detecting device of claim 1, wherein the first actuator of the gas detecting module is a gas pump, comprising: an air inlet plate having at least one air inlet hole, at least a bus bar hole and a bus bar chamber, wherein the at least one air inlet hole is for introducing an air flow, the bus bar hole corresponding to the air inlet hole, and the air flow guiding the air inlet hole is converged to the convergence flow chamber; a resonance piece, Having a hollow hole corresponding to the confluence chamber, and the periphery of the hollow hole is a movable portion; and a piezoelectric actuator disposed corresponding to the resonance piece; wherein the resonance piece and the piezoelectric actuator Having a chamber space therebetween, such that when the piezoelectric actuator is driven, the air flow is introduced from the at least one air inlet hole of the air intake plate, and is collected into the convergence chamber through the at least one bus bar hole, and then The hollow hole flowing through the resonance piece generates a resonant transmission airflow by the piezoelectric actuator and the movable portion of the resonance piece. The gas detecting device of claim 8, wherein the piezoelectric actuator comprises: a suspension plate having a first surface and a second surface, the first surface having a convex portion; a frame disposed around the outer side of the suspension plate and having a set of matching surfaces; At least one bracket connected between the suspension plate and the outer frame to provide elastic support for the suspension plate; and a piezoelectric element attached to the second surface of the suspension plate for applying a voltage to drive the The suspension plate is bent and vibrated; wherein the at least one bracket is formed between the suspension plate and the outer frame, and the first surface of the suspension plate and the assembled surface of the outer frame are formed into a non-coplanar structure, and The first surface of the suspension plate is maintained at a chamber spacing from the resonant plate. The gas detecting device of claim 8, wherein the gas pump comprises a conductive sheet and an insulating sheet, wherein the air inlet plate, the resonant plate, the piezoelectric actuator, the conductive sheet and The insulating sheets are stacked in sequence. The gas detecting device of claim 2, wherein the particle monitoring module comprises a ventilation inlet, a ventilation outlet, a load-bearing partition and a particle monitoring base, wherein the ventilation inlet corresponds to the body a second air inlet corresponding to the air outlet of the body, and the inner space of the particle monitoring module defines a first compartment and a second compartment by the carrying partition, and the carrying partition Having a communication port for communicating the first compartment and the second compartment, and the first compartment is in communication with the ventilation inlet, the second compartment is in communication with the ventilation outlet, and the particle monitoring base is adjacent The carrying partition is received in the first compartment, and has a receiving slot, a monitoring channel, a beam path and an accommodating chamber, the receiving slot directly correspondingly to the venting inlet, and the receiving slot The second actuator is disposed on the receiving groove, and the monitoring channel is disposed under the receiving groove, and the receiving chamber is disposed on the side of the monitoring channel to position the laser emitter, and the beam channel is disposed Connected between the housing chamber and the monitoring channel And directly perpendicular to the monitoring channel, guiding the laser beam emitted by the laser emitter to be irradiated into the monitoring channel, and the particle sensor is disposed under the monitoring channel, causing the second actuator to control the gas The venting inlet enters the receiving groove and is introduced into the monitoring channel, and is irradiated by the laser beam emitted by the laser emitter to project a light spot in the gas to the particle sensor surface detecting gas. The particle size and concentration of the suspended particles contained in the body are discharged from the venting port. The gas detecting device of claim 11, wherein the load-bearing partition of the particle monitoring module is a circuit board. The gas detecting device of claim 12, wherein the particle sensor of the particle monitoring module is electrically connected to the carrying baffle and located below the monitoring channel. The gas detecting device of claim 1, wherein the particle sensor of the particle monitoring module is a PM2.5 sensor. The gas detecting device of claim 11, wherein the second actuator of the particle monitoring module is a MEMS gas pump. The gas detecting device of claim 11, wherein the second actuator of the particle monitoring module is a gas pump, comprising: a jet sheet comprising a plurality of brackets and a suspension piece And a hollow hole, the suspension piece is bendable and vibrating, the plurality of brackets are adjacent to the periphery of the suspension piece, and the hollow hole is formed at a center position of the suspension piece, and the plurality of brackets are disposed above the receiving groove and provide elastic support a suspension piece, and an air flow chamber is formed between the air venting piece and the receiving groove, and at least one gap is formed between the plurality of brackets and the suspension piece; a cavity frame is stacked on the suspension piece a uniform moving body, stacked on the frame of the cavity to receive a voltage to generate reciprocating bending vibration; an insulating frame stacked on the actuating body; and a conductive frame on which the carrier stack is disposed An insulating frame, wherein a resonant cavity is formed between the actuating body, the cavity frame and the suspension piece, and the actuating body is driven to drive the air vent to resonate, so that the air vent is Floating vibration plate reciprocally displaced to cause the at least one gap through which the gas stream enters the chamber, and then discharged from the monitoring channel, the flow of gas to achieve the transmission. The gas detecting device of claim 16, wherein the actuating body comprises: a piezoelectric carrier plate stacked on the cavity frame; and an adjustment resonant plate, the carrier is stacked on the piezoelectric plate And a piezoelectric plate stacked on the adjusting resonant plate to receive the voltage to drive the piezoelectric carrier and the adjusting resonant plate to generate reciprocating bending vibration. The gas detecting device of claim 1, wherein the control module comprises a processor and a communication component, wherein the processor controls the communication component, the sensor of the gas detection module, the first The actuator and the particle sensor of the particle monitoring module are activated, and the detected result of the sensor and the particle sensor is converted into a monitoring data, and the monitoring data is sent by the communication component to be connected to the external device for storage. The gas detecting device of claim 1, wherein the external device is at least one of a cloud system, a portable device, a computer system, and the like. The gas detecting device of claim 18, wherein the control module further comprises a battery to provide stored electrical energy, output electrical energy, and can be coupled to an external power supply device to conduct the electrical energy to receive the electrical energy for storage. The power is supplied to the processor, and the processor can provide electrical and driving signals to the gas detecting module and the particle monitoring module.