CN114047302A

CN114047302A - Novel gas sensor

Info

Publication number: CN114047302A
Application number: CN202111579769.XA
Authority: CN
Inventors: 翟夏杰; 彭定坤; 梁伟权; 王训松; 韦邦亮; 罗斌
Original assignee: Global Resource Photoelectric Technology Co ltd
Current assignee: Global Resource Photoelectric Technology Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-02-15

Abstract

The invention discloses a novel gas sensor, which comprises a shell, wherein an accommodating cavity is formed in the shell, a partition plate is arranged in the accommodating cavity so as to enable the accommodating cavity to be divided into a first cavity and a second cavity, a gas outlet communicated with the first cavity and a first gas inlet communicated with the second cavity are formed in the shell, and a second gas inlet communicated with the first cavity and the second cavity is formed in the partition plate; the air pump is arranged in the first cavity, and an air inlet end of the air pump is communicated with the second air inlet and an air outlet end of the air pump is communicated with the air outlet; the plurality of gas sensors are arranged in the second cavity; the control panel is arranged in the shell and is electrically connected with the air pump and the plurality of gas sensors, and the air pump can discharge external gas from the gas outlet after the external gas sequentially passes through the first gas inlet, the second cavity and the second gas inlet so that the gas sensors can collect and analyze gas parameters; the gas sensor can be enabled to be actively sucked into the environment for analysis, the detection efficiency and the detection accuracy are improved, and the use requirement is met.

Description

Novel gas sensor

Technical Field

The invention relates to the field of sensors, in particular to a novel gas sensor.

Background

The gas sensor is a device for converting information such as components and concentration of gas into information which can be utilized by personnel, instruments, computers and the like, and is widely applied in industry and daily life, but the existing gas sensors detect the gas in a 'natural diffusion' mode, namely the gas naturally diffuses in the environment and then enters the gas sensor, and the gas sensor collects the information such as the components and the concentration of the gas, but the gas sensor passively waits for the gas to enter the sensor, so that the detection efficiency is low, and the detection result is inaccurate, and therefore, a novel gas sensor is urgently needed to solve the problems.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a novel gas sensor.

The technical scheme adopted by the embodiment of the invention for solving the technical problem is as follows: a novel gas sensor, comprising:

the device comprises a shell, a first air inlet, a second air inlet and a connecting piece, wherein the shell is internally provided with an accommodating cavity, a partition plate is arranged in the accommodating cavity so that the accommodating cavity is divided into a first cavity and a second cavity, the shell is provided with an air outlet communicated with the first cavity and a first air inlet communicated with the second cavity, and the partition plate is provided with a second air inlet communicated with the first cavity and the second cavity;

the air pump is arranged in the first cavity, and an air inlet end of the air pump is communicated with the second air inlet and an air outlet end of the air pump is communicated with the air outlet;

the plurality of gas sensors are arranged in the second cavity;

the control panel sets up in the casing and is connected with air pump and a plurality of gas sensor electricity, and the air pump can be discharged from the gas outlet with outside gas after first air inlet, second cavity, second air inlet in order to make gas sensor gather and the parameter of analysis gas.

Further, the gas sensor may be provided at least as a combination of one or more of an oxygen sensor, a methane sensor, a carbon monoxide sensor, or a hydrogen sulfide sensor.

Further, a novel gas sensor still includes the filter screen of setting between first air inlet and gas sensor.

Further, a novel gas sensor is still including setting up at first air inlet department and the valve and the temperature and humidity sensor of being connected with the control panel electricity, and temperature and humidity sensor can detect the temperature and the humidity of environment, and the control panel can control the valve and open first air inlet when according with the preset condition.

Further, the valve is provided as a one-way valve.

Further, the shell is installed on the installation position through a detachable structure.

Further, the detachable structure is provided as a bolt connection structure.

Further, the detachable structure is arranged as a clamping structure.

Further, the novel gas sensor also comprises a battery which is arranged in the shell and is electrically connected with the air pump, the gas sensor and the control panel.

The invention has the beneficial effects that: a novel gas sensor comprises a shell, wherein an accommodating cavity is formed in the shell, a partition plate is arranged in the accommodating cavity so that the accommodating cavity is divided into a first cavity and a second cavity, a gas outlet communicated with the first cavity and a first gas inlet communicated with the second cavity are formed in the shell, and a second gas inlet communicated with the first cavity and the second cavity is formed in the partition plate; the air pump is arranged in the first cavity, and an air inlet end of the air pump is communicated with the second air inlet and an air outlet end of the air pump is communicated with the air outlet; the plurality of gas sensors are arranged in the second cavity; the control panel is arranged in the shell and is electrically connected with the air pump and the plurality of gas sensors, and the air pump can discharge external gas from the gas outlet after the external gas sequentially passes through the first gas inlet, the second cavity and the second gas inlet so that the gas sensors can collect and analyze gas parameters; through the structure, the gas sensor can actively suck the gas in the environment to analyze, so that the detection efficiency and the detection accuracy are improved, and the use requirement is met.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a novel gas sensor;

FIG. 2 is an exploded view of a novel gas sensor;

fig. 3 is a cross-sectional view of a novel gas sensor.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, a plurality of means is two or more, and greater than, less than, more than, etc. are understood as excluding the present number, and greater than, less than, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless explicitly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be understood in a broad sense, and for example, may be directly connected or indirectly connected through an intermediate; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above-mentioned words in the present invention can be reasonably determined by those skilled in the art in combination with the detailed contents of the technical solutions.

Referring to fig. 1 to 3, a novel gas sensor includes:

the air conditioner comprises a shell 10, a first air inlet 14 and a second air inlet 15, wherein the shell 10 is internally provided with an accommodating cavity, a partition plate 20 is arranged in the accommodating cavity so that the accommodating cavity is divided into a first cavity 11 and a second cavity 12, the shell 10 is provided with an air outlet 13 communicated with the first cavity 11 and a first air inlet 14 communicated with the second cavity 12, and the partition plate 20 is provided with the second air inlet 15 communicated with the first cavity 11 and the second cavity 12;

the air pump 30 is arranged in the first cavity 11, an air inlet end 31 of the air pump 30 is communicated with the second air inlet 15, and an air outlet end 32 of the air pump 30 is communicated with the air outlet 13;

a plurality of gas sensors 40 disposed within the second cavity 12;

and the control board 50 is arranged in the housing 10 and electrically connected with the air pump 30 and the plurality of gas sensors 40, and the air pump 30 can discharge external gas from the gas outlet 13 after passing through the first gas inlet 14, the second cavity 12 and the second gas inlet 15 in sequence, so that the gas sensors 40 collect and analyze gas parameters.

When the gas sensor is used, the gas sensor is arranged on the installation position, particularly in a sewer and other scenes, and the installation structure is preferably a bolt connection structure, so that good connection firmness can be ensured; when the gas sensor is used, the temperature and humidity of the environment are detected through the temperature and humidity sensor, when the temperature and/or humidity in the environment are detected to meet the preset conditions, a starting instruction is sent to the gas pump 30 through the control board 50, the gas pump 30 is started, external gas can be discharged from the gas outlet 13 after sequentially passing through the first gas inlet 14, the second cavity 12 and the second gas inlet 15, and the external gas is captured by the gas sensor 40 when entering the second cavity 12, so that the gas can be analyzed by the gas sensor 40, and the analyzed parameters include but are not limited to the components or the concentration of the gas; the invention has the advantages that: can make gas sensor can initiatively inhale the gas in the environment and carry out the analysis through above-mentioned structure, improve the accuracy of detection efficiency and detection, accord with the user demand, but automated inspection environmental condition, automatically regulated mode can be put outdoor continuous use for a long time, is applicable to most gaseous detection places, compensaties the market blank.

The gas sensor 40 may be provided as a combination of at least one or more of an oxygen sensor 41, a methane sensor 42, a carbon monoxide sensor 43, or a hydrogen sulfide sensor 44.

The novel gas sensor further comprises a filter screen 60 disposed between the first gas inlet 14 and the gas sensor 40; large particle impurities in the air are filtered by the filter screen 60 to avoid accumulation in the housing 10.

The novel gas sensor further comprises a valve and a temperature and humidity sensor which are arranged at the first gas inlet 14 and electrically connected with the control board 50, wherein the temperature and humidity sensor can detect the temperature and humidity of the environment, and the control board 50 can control the valve to open the first gas inlet 14 when meeting preset conditions; because the gas composition in the environment is very complicated, especially some unstable gases, if the ambient temperature and humidity are not within the safe range, danger easily occurs, therefore, the temperature and humidity of the environment need to be detected through the temperature and humidity sensor, and the control board 50 controls the valve to open the first gas inlet 14 when the preset conditions are met, so that the gas sensor 40 detects and analyzes the gases.

The valve is set as a one-way valve.

The housing 10 is mounted to the mounting location by a detachable structure 70.

The detachable structure 70 is provided as a bolt coupling structure.

The detachable structure 70 is provided as a snap-fit structure.

The novel gas sensor further comprises a battery 80 disposed in the housing 10 and electrically connected to the gas pump 30, the gas sensor 40 and the control board 50.

It is to be understood that the present invention is not limited to the above-described embodiments, and that equivalent modifications and substitutions may be made by those skilled in the art without departing from the spirit of the present invention, and that such equivalent modifications and substitutions are to be included within the scope of the appended claims.

Claims

1. A novel gas sensor, comprising:

the device comprises a shell (10), wherein a containing cavity is formed in the shell, a partition plate (20) is arranged in the containing cavity to enable the containing cavity to be divided into a first cavity (11) and a second cavity (12), an air outlet (13) communicated with the first cavity (11) and a first air inlet (14) communicated with the second cavity (12) are formed in the shell (10), and a second air inlet (15) communicated with the first cavity (11) and the second cavity (12) is formed in the partition plate (20);

the air pump (30) is arranged in the first cavity (11), an air inlet end (31) of the air pump (30) is communicated with the second air inlet (15), and an air outlet end (32) of the air pump (30) is communicated with the air outlet (13);

a plurality of gas sensors (40) disposed within the second cavity (12);

the control panel (50) is arranged in the shell (10) and is electrically connected with the air pump (30) and the plurality of gas sensors (40), the air pump (30) can enable external gas to sequentially pass through the first air inlet (14), the second cavity (12) and the second air inlet (15) and then be discharged from the air outlet (13), so that the gas sensors (40) can collect and analyze gas parameters.

2. The novel gas sensor according to claim 1, wherein: the gas sensor (40) may be provided at least as a combination of one or more of an oxygen sensor (41), a methane sensor (42), a carbon monoxide sensor (43) or a hydrogen sulfide sensor (44).

3. The novel gas sensor according to claim 1, wherein: further comprising a filter screen (60) arranged between the first gas inlet (14) and the gas sensor (40).

4. The novel gas sensor according to claim 1, wherein: still including setting up first air inlet (14) department and with valve and temperature and humidity sensor that control panel (50) electricity is connected, temperature and humidity sensor can detect the temperature and the humidity of environment, control panel (50) can be when according with the preset condition control the valve is opened first air inlet (14).

5. The novel gas sensor according to claim 4, wherein: the valve is set as a one-way valve.

6. The novel gas sensor according to claim 1, wherein: the shell (10) is mounted on the mounting position through a detachable structure (70).

7. The novel gas sensor according to claim 6, wherein: the detachable structure (70) is arranged as a bolt connection structure.

8. The novel gas sensor according to claim 6, wherein: the detachable structure (70) is a clamping structure.

9. The novel gas sensor according to claim 1, wherein: the air pump is characterized by further comprising a battery (80) which is arranged in the shell (10) and is electrically connected with the air pump (30), the air sensor (40) and the control board (50).