A detection system and detection method of a gas vehicle leakage alarm device
A technology of an alarm device and a detection system, which is applied in the direction of alarms, measuring devices, and measuring fluid pressure, etc., can solve the problems of leakage alarm devices and alarm devices without available detection equipment and specific detection methods, and achieve high test accuracy and reduce readings Delay and cost reduction effects
Active Publication Date: 2021-09-03
长春汽车检测中心有限责任公司
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Problems solved by technology
[0006] The invention provides a detection system and detection method of a gas vehicle leakage alarm device, which solves the problem that the current gas vehicle alarm device has no available detection equipment and specific detection methods, and provides guarantee for the safety of gas vehicles
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[0057] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments, wherein the accompanying drawings constitute a part of the application and are used together with the embodiments of the present invention to explain the present invention. But those skilled in the art should know that the following examples are not the sole limitation to the technical solution of the present invention, and any equivalent transformation or modification made under the spirit of the technical solution of the present invention should be considered as belonging to the protection of the present invention scope.
[0058] 1. Introduction of detection system
[0059] The detection system is divided into functions, and is mainly composed of air distribution system, internal circulating air system, exhaust system, sensor system, and electric control system.
[0060] The overall structure of the system is as figure 1 As shown, it includes a box ...
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The invention discloses a detection system and a detection method of a gas vehicle leakage alarm device, which are suitable for various alarm performance tests. Among them, the detection system is equipped with a box body, and gas cylinders, gas detection cabins, controllers, human-computer interaction interfaces, exhaust fans, etc. are set inside and outside the box; there is an annular air passage and a gas alarm detector detection platform in the detection cabin. A gas mixing motor is installed at the bottom outside the cabin, and the gas mixing motor extends into the air inlet through a dynamic seal to connect with a gas mixing fan; the detection cabin is designed with gas inlet and outlet, and the gas is controlled by a flow controller. The device is highly integrated, safe, and gas distribution High precision, high test accuracy, good sealing, good test interchangeability, applicable to various alarm performance tests, including alarm action value test, response time test, power-on alarm test, alarm durability test, airflow resistance test, High concentration submersion test.
Description
technical field [0001] The invention relates to gas vehicle leakage alarm detection technology, in particular to a detection system and detection method of a gas vehicle leakage alarm device. Background technique [0002] Because gas vehicles have the advantages of low cost of use and low environmental pollution, most operating vehicles choose gas vehicles, which also makes my country's number of gas vehicles rank first in the world for a long time. However, the gas vehicle market in my country has been in a relatively chaotic state. Most gas vehicles are refitted from fuel vehicles. The construction specifications are difficult to guarantee, and follow-up supervision is not strict. As a result, gas vehicles are full of hidden dangers like walking bombs, and accidents occur frequently. It poses a threat to the life and property safety of the broad masses of the people. [0003] Accidents of gas vehicles are mainly caused by gas leakage. Therefore, in the standards GB 7258-20...
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IPC IPC(8): G08B29/00G08B21/16G01N33/00G01L11/00G01D21/02
CPCG01D21/02G01L11/00G01N33/0063G08B21/16G08B29/00
Inventor 赵航马志良姜兆庆
Owner 长春汽车检测中心有限责任公司