Gas detection device

Abstract

A gas detection device comprises a casing, an optical mechanism, a gas transmission actuator, a laser module, a particle sensor, and an external sensing module, wherein the casing is provided with a cavity, at least one gas inlet, a gas outlet, and at least one connection channel, and the cavity is communicated with the gas inlet, the gas outlet and the connection channel; the optical mechanism isarranged in the cavity and provided with a gas flow channel and a light beam channel, the gas flow channel is communicated with the gas inlet and the gas outlet, and the light beam channel is communicated with the gas flow channel; the gas transmission actuator is erected on the optical mechanism; the laser module is arranged in the optical mechanism and used to emit a light beam into the gas flow channel; the particle sensor is arranged in the gas flow channel and used to detect projection light points which are produced by suspended particles in a gas after the light beam emitted by the laser module illuminates on the gas in the gas flow channel, so that the sizes and the concentration of the suspended particles in air can be detected and calculated; and the external sensing module is assembled with the connection channel and used to sense the air in the connection channel.

Description

[0001] 【Technical field】 [0002] This case relates to a gas detection device, especially a gas detection device that conducts gas through a gas transmission actuator. [0003] 【Background technique】 [0004] In recent years, the problem of air pollution in my country and adjacent areas has become more and more serious, especially the concentration data of fine suspended particles (PM 2.5 and PM 10) is often too high, and the monitoring of the concentration of air suspended particles has been paid more and more attention. However, since the air will flow with the change of wind direction and air volume, most of the air quality monitoring stations for detecting suspended particles are at fixed points, so it is impossible to confirm the concentration of suspended particles in the surrounding area at all. Therefore, a small and portable gas particle detection device is needed to detect For users to detect the concentration of suspended particles in the surrounding environment anyt...

AI Technical Summary

Problems solved by technology

However, since the air will flow with the change of wind direction and air volume, most of the air quality monitoring stations for detecting suspended particles are at fixed points, so it is impossible to confirm the concentration of suspended particles in the surrounding area at all, so a small and portable gas particle detection device is needed to detect For users to detect the concentration of suspended particulates in the surrounding environment anytime, anywhere

[0005] In addition, the current gas particle detection devices can only detect a single gas, but in addition to suspended particles, there are many gases that are harmful to the human body in daily life. If they cannot be detected immediately, they will also affect human health.

[0006] In addition, users will have d

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