CN220542832U

CN220542832U - Multi-gas monitoring device

Info

Publication number: CN220542832U
Application number: CN202322132649.6U
Authority: CN
Inventors: 马佳兴; 刘晓军; 叶仲亮; 徐业蓬
Original assignee: Pre Pan Technology Shanghai Co ltd
Current assignee: Pre Pan Technology Shanghai Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-02-27
Anticipated expiration: 2033-08-08

Abstract

The utility model provides a multi-gas monitoring device, comprising: the device comprises a shell, a shell cover, a gas monitoring module, an air tap, a supporting stud, a wiring terminal, a module mounting hole, an air pipe, a straight joint and a right-angle elbow; the shell is connected with the shell cover; the gas monitoring module is arranged in the shell and comprises a sensor mounting plate, a gas sensor module and a circuit board; the sensor mounting plate is fixedly mounted in the shell through the support stud; the plurality of gas sensor modules are regularly arranged and fixedly arranged on the sensor mounting plate through module mounting holes, and the plurality of gas sensor modules are sequentially connected through air nozzles and air pipes to form a serial gas circuit; the circuit board is fixedly arranged on the sensor mounting plate through the support stud; the straight joint and the right-angle elbow are fixedly arranged on the shell; the terminal is fixed on the casing. The device can select different kinds of gas sensors according to requirements, and simultaneously monitor one or more toxic and harmful gases.

Description

Multi-gas monitoring device

Technical Field

The utility model relates to the technical field of toxic and harmful gas monitoring, in particular to a multi-gas monitoring device.

Background

With the rapid development of the economy and society, the problem of air pollution is increasingly prominent. Particularly in industrial safety production, the monitoring of complex and various toxic and harmful gases is an important ring for guaranteeing the personal and property safety.

The gas monitoring devices commonly used in the market at present are more, but the integration and the intelligent degree are not high, and meanwhile, the defects of large equipment volume, complex structure, high cost and the like generally exist, and most of the gas monitoring devices can only monitor single gas, so that effective monitoring of complex and various toxic and harmful gases around an industrial factory is difficult to realize.

Patent document CN202033878U (application number: CN 201120138795.4) discloses a monitoring device for identifying a plurality of gases, including a power supply circuit, a gas sensor circuit, a multivibrator circuit, a single chip microcomputer control circuit, a radio frequency wireless transceiver circuit, and a ventilation device driving circuit. However, this patent does not solve the technical problems existing at present.

Disclosure of Invention

In view of the drawbacks of the prior art, an object of the present utility model is to provide a multi-gas monitoring device.

According to the present utility model, there is provided a multi-gas monitoring apparatus comprising: the device comprises a shell, a shell cover, a gas monitoring module, an air tap, a supporting stud, a wiring terminal, a module mounting hole, an air pipe, a straight joint and a right-angle elbow;

the shell is connected with the shell cover;

the gas monitoring module is arranged in the shell and comprises a sensor mounting plate, a gas sensor module and a circuit board;

the sensor mounting plate is fixedly mounted in the shell through a support stud;

the plurality of gas sensor modules are regularly arranged and fixedly arranged on the sensor mounting plate through module mounting holes, and the plurality of gas sensor modules are sequentially connected through air nozzles and air pipes to form a serial gas path;

the circuit board is fixedly arranged on the sensor mounting plate through the support stud;

the straight-through joint and the right-angle elbow are fixedly arranged on the shell;

the terminal is fixed on the housing.

Preferably, the front and rear side walls of the shell are provided with ventilation holes which are regularly arranged.

Preferably, the gas monitoring module comprises one or more gas sensor modules, and the gas sensor type comprises a toxic and harmful electrochemical gas sensor including a VOCs sensor, a combustible gas sensor, an infrared gas sensor, a hydrogen sulfide sensor, an ammonia gas sensor, a sulfur dioxide sensor, a hydrogen sensor and a carbon monoxide sensor.

Preferably, the gas sensor module, the air tap, the air pipe, the straight joint and the right-angle elbow are sequentially connected in sequence to form a serial gas circuit.

Preferably, the combination is selected from a temperature sensor, a humidity sensor, a pressure sensor and a wind power and wind direction sensor which are electrically connected to the circuit board.

Preferably, the material of the air pipe comprises tetrafluoroethylene or stainless steel material.

Preferably, a key hole is formed in the bottom surface of the shell.

Preferably, the connection terminal is located at one end of the outer side of the housing.

Preferably, the gas sensor module and the circuit board are respectively arranged at opposite sides of the sensor mounting plate, and the gas sensor module is electrically connected with the circuit board.

Preferably, the shell is connected with the shell cover through screws, and the wiring terminal is fixed on the shell through screws.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model provides a multi-gas monitoring device which adopts an integrated design, has a simple structure and a small volume, comprises a shell, a shell cover and a gas detection module, wherein the gas monitoring module can select different kinds of gas sensors according to requirements and simultaneously monitor one or more toxic and harmful gases.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is an exploded schematic view of a multi-gas monitoring apparatus of the present utility model;

FIG. 2 is a schematic diagram of a gas monitoring module of the multi-gas monitoring apparatus of the present utility model;

FIG. 3 is a schematic view of the gas circuit structure of the multi-gas monitoring apparatus of the present utility model;

reference numerals illustrate: 1-a housing; 11-a key hole; 12-connecting terminals; 2-a shell cover; 3-a gas monitoring module; 4-a sensor mounting plate; 41-module mounting holes; 5-a gas sensor module; 51-trachea; 52-straight-through joint; 53-elbow bend; 6-a circuit board; 7-an air tap; 8-supporting studs.

Detailed Description

The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present utility model.

Examples

Referring to fig. 1 to 3, a multi-gas monitoring apparatus according to an embodiment of the utility model is described below.

The multi-gas monitoring device comprises a shell 1 forming an accommodating space, a shell cover 2 arranged with screws of the shell 1, a key hole 11 for fixed installation arranged at the bottom of the shell 1, a wiring terminal 12 arranged on the side wall of the shell 1, and ventilation holes regularly arranged on the front side wall and the rear side wall of the shell 1. The connecting terminal 12 is located at one end of the outer side of the shell 1 and is used for connecting a power supply.

Further, in the present embodiment, the gas monitoring module 3 is fixedly mounted on the housing 1 by the support stud 8. The gas monitoring module 3 comprises a sensor mounting plate 4, and further comprises a gas sensor module 5 and a circuit board 6. Wherein, gas sensor module 5 passes through module mounting hole 41 fixed mounting on sensor mounting panel 4, and circuit board 6 passes through support stud 8 fixed mounting on sensor mounting panel 4, and gas sensor module 5 and circuit board 6 are installed respectively in the opposite side of sensor mounting panel 4, and gas sensor module 5 and circuit board electricity are connected.

Further, in this embodiment, the gas sensor modules 5 are sequentially connected in order by a straight joint 52, a gas pipe 51, a gas nozzle 7, and a right-angle elbow 53 to form a serial gas path. Wherein the straight joint 52 and the right-angle elbow 53 serve as an air inlet and an air outlet of the air path, respectively.

In one embodiment, the gas monitoring module 3 includes one or more gas sensor modules 5 for monitoring the concentration of the gas, where the type of the gas sensor may be selected from a corresponding sensor according to specific requirements, including but not limited to VOCs, flammable gas, infrared gas, hydrogen sulfide, ammonia, sulfur dioxide, hydrogen, carbon monoxide, and other toxic and harmful electrochemical gas sensors.

In one embodiment, the gas sensor modules 5 may be one or more, and the plurality of gas sensor modules 5 may form one, two or more gas paths in series. As shown in fig. 3, 7 gas sensor modules 5 form 2 gas paths connected in series.

In one embodiment, a temperature sensor, a humidity sensor, a pressure sensor and a wind direction sensor can be combined and selected to be electrically connected to the circuit board 6.

In one embodiment, the air tube 51 is preferably, but not limited to, a tetrafluoroethylene or stainless steel material that is not prone to adsorbing gases.

In one embodiment, a key hole 11 is formed at the bottom of the housing 1 for fixedly mounting the multi-gas monitoring device of the present utility model. The multi-gas monitoring device can be installed on a large-scale monitoring instrument, a mobile platform or a fixed place.

In the implementation of the utility model, the through joint 52 serving as the air inlet is connected with an external constant flow sampling pump, and the toxic and harmful gas to be detected sequentially passes through the through joint 52, the air pipe 51, the air tap 7, the plurality of gas sensor modules 5 and the right-angle elbow 53 serving as the air outlet, and when the toxic and harmful gas to be detected passes through the gas sensor modules 5, the gas sensor modules 5 detect the gas and acquire the detection result. The embodiment of the utility model comprises a plurality of gas sensor modules 5, so that the simultaneous detection of a plurality of toxic and harmful gases is simply and efficiently realized.

In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present application.

The foregoing describes specific embodiments of the present utility model. It is to be understood that the utility model is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the utility model. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.

Claims

1. A multi-gas monitoring device, comprising: the device comprises a shell (1), a shell cover (2), a gas monitoring module (3), an air tap (7), a support stud (8), a wiring terminal (12), a module mounting hole (41), an air pipe (51), a straight joint (52) and a right-angle elbow (53);

the shell (1) is connected with the shell cover (2);

the gas monitoring module (3) is arranged in the shell (1), and the gas monitoring module (3) comprises a sensor mounting plate (4), a gas sensor module (5) and a circuit board (6);

the sensor mounting plate (4) is fixedly arranged in the shell (1) through a support stud (8);

the plurality of gas sensor modules (5) are regularly arranged and fixedly arranged on the sensor mounting plate (4) through module mounting holes (41), and the plurality of gas sensor modules (5) are sequentially connected through the air nozzles (7) and the air pipes (51) to form a serial gas path;

the circuit board (6) is fixedly arranged on the sensor mounting plate (4) through a support stud (8);

the straight joint (52) and the right-angle elbow (53) are fixedly arranged on the shell (1);

the connecting terminal (12) is fixed on the shell (1).

2. The multi-gas monitoring device according to claim 1, wherein the front and rear side walls of the housing (1) are provided with ventilation holes which are regularly arranged.

3. The multi-gas monitoring device according to claim 1, wherein the gas monitoring module (3) comprises one or more gas sensor modules (5), the gas sensor types comprising toxic and harmful electrochemical type gas sensors including VOCs sensors, combustible gas sensors, infrared gas sensors, hydrogen sulfide sensors, ammonia sensors, sulfur dioxide sensors, hydrogen sensors and carbon monoxide sensors.

4. The multi-gas monitoring device according to claim 1, wherein the gas sensor module (5), the gas nozzle (7), the gas pipe (51), the straight joint (52) and the right-angle elbow (53) are sequentially connected in series.

5. The multi-gas monitoring device according to claim 1, wherein the combination of temperature sensor, humidity sensor, pressure sensor and wind direction sensor is electrically connected to the circuit board (6).

6. A multi-gas monitoring device according to claim 1, wherein the material of the gas tube (51) comprises tetrafluoroethylene or stainless steel material.

7. The multi-gas monitoring device according to claim 1, wherein a key hole (11) is formed in the bottom surface of the housing (1).

8. A multi-gas monitoring device according to claim 1, wherein the connection terminal (12) is located at one end outside the housing (1).

9. The multi-gas monitoring device according to claim 1, wherein the gas sensor module (5) and the circuit board (6) are mounted on opposite sides of the sensor mounting board (4), respectively, and the gas sensor module (5) is electrically connected to the circuit board (6).

10. The multi-gas monitoring device according to claim 1, wherein the housing (1) is screwed to the housing cover (2), and the connection terminal (12) is screwed to the housing (1).