A bus-type combustible gas concentration detection device and control method thereof

Abstract

The invention relates to a bus-type combustible gas concentration detection device and its control method. The device includes: a gas concentration detection part connected to the detection input end of the control part; a control part including a microprocessor, which receives the gas concentration detection part The detection signal is output to the display part and the alarm part, and the control program is stored in the microprocessor; the display part is connected to the display output end of the control part; the operation part is connected to the operation input end of the control part; the alarm output part has sound The alarm device is connected to the alarm output terminal of the microprocessor through a photocoupler; the bus interface part has a bus communication module, which sends the information of the microprocessor in the control part to the bus; the method includes initializing the device, detecting Combustible gas concentration, serial communication with the upper central controller at any time. The invention realizes the networked detection of the combustible gas concentration, has high measurement precision, high explosion-proof performance and large amount of displayed information.

Description

technical field [0001] The invention relates to a gas concentration detection device, in particular to a bus-type combustible gas concentration detection device and a control method thereof which realize the functions of combustible gas concentration detection and alarm display. Background technique [0002] In industrial production and daily life, various combustible gases are often used. In order to ensure the safety of life and property, it is usually necessary to monitor the concentration of combustible gases in occasions involving the use of combustible gases. In some important areas, real-time detection of the concentration of combustible gases is required to monitor that it does not exceed the critical value, so as to ensure the safety of daily production and life. [0003] Currently commonly used combustible gas detectors are mainly divided into hand-held detectors, single-point detectors, and multi-point detectors. Handheld detectors are mainly used for daily safet...

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Problems solved by technology

[0004] In order to overcome the disadvantages in the prior art that the installation and wiring workload is large, the material consumption increases sharply with the increase of detection points, and the debugging work is very cumbersome when using detectors in the prior art, the purpose of the present invention is to provide an accurate, safe and A bus-type combustible gas concentration detection device capable of realizing networked detection and its control method

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