CN102707017A - Test system for detecting integrity and reliability of gas monitoring system - Google Patents

Abstract

Translated fromChinese

本发明涉及气体监测系统的性能检测领域，具体是一种用于检测气体监测系统完整性、可靠性的测试系统。解决了目前对于气体监测系统整体的测试和标定仍停留在实验室实施阶段，还未形成完整的测试系统，无法对气体监测系统进行精确的测试控制和标定的问题，用于检测气体监测系统完整性、可靠性的测试系统由控制单元、配气单元、检测单元构成；本发明所述测试系统结构合理，是以中控计算机为控制核心的测试系统，对气体监测系统测试时的配气、检测、数据处理皆在中控计算机的精确控制下实现，配气准确，检测环境稳定，数据处理迅速，测试结果有保证，有利于确定气体监测系统的完整性和应用可靠性。

The invention relates to the field of performance testing of a gas monitoring system, in particular to a testing system for testing the integrity and reliability of a gas monitoring system. It solves the problem that the current overall test and calibration of the gas monitoring system is still in the laboratory implementation stage, and a complete test system has not yet been formed, and the problem of precise test control and calibration of the gas monitoring system cannot be performed. The test system of reliability and reliability is composed of a control unit, a gas distribution unit, and a detection unit; the test system of the present invention has a reasonable structure, and is a test system with a central control computer as the control core. The detection and data processing are all realized under the precise control of the central control computer, the gas distribution is accurate, the detection environment is stable, the data processing is fast, and the test results are guaranteed, which is conducive to determining the integrity and application reliability of the gas monitoring system.

Description

Translated fromChinese

用于检测气体监测系统完整性、可靠性的测试系统Test system for testing the integrity and reliability of gas monitoring systems

技术领域technical field

本发明涉及气体监测系统的性能检测领域，具体是一种用于检测气体监测系统完整性、可靠性的测试系统。The invention relates to the field of performance testing of a gas monitoring system, in particular to a testing system for testing the integrity and reliability of a gas monitoring system.

背景技术Background technique

气体监测系统由气敏元件及外围电路组成，其工作性能由气敏元件和外围电路共同决定；而目前对气体监测系统测试和标定的侧重点多着重于其中的气敏元件，例如：检测气敏元件的稳态效应和灵敏度特性、标定不同温度下气敏元件原始模拟信号与给定量程内气体浓度的映射关系，等等；关于气敏元件稳态效应和灵敏度特性的检测，直接将待测气敏元件放入密闭气室内，通过对密闭气室进气流量的调整，来改变密闭气室内的气体浓度，实时监测气敏元件的输出变化，获得其稳态效应和灵敏度特性；关于不同温度下气敏元件原始模拟信号与给定量程内气体浓度映射关系的标定，通常的做法就是在密闭气室的底板上设置加热板，通过供电进行加热，逐步改变密闭气室内的温度并记录，同时记录气敏元件的输出变化，完成标定，而密闭气室内的温度参数以热电偶测出的底板温度参数表征的，不是气敏元件真正所处密闭气室内的环境温度，标定结果存在的误差较大。而对于气敏元件的测试和标定是基于基础元器件阶段的检测，其检测结果对于气体监测系统来说，无法代表整个系统的工作性能。The gas monitoring system is composed of a gas sensor and a peripheral circuit, and its working performance is determined by the gas sensor and the peripheral circuit; and the current focus on the testing and calibration of the gas monitoring system is mostly on the gas sensor, for example: detecting gas The steady-state effect and sensitivity characteristics of the sensor, the mapping relationship between the original analog signal of the gas sensor at different temperatures and the gas concentration in a given range, etc.; for the detection of the steady-state effect and sensitivity characteristics of the gas sensor, directly Put the gas sensor into the airtight chamber, change the gas concentration in the airtight chamber by adjusting the intake flow of the airtight chamber, monitor the output changes of the gas sensor in real time, and obtain its steady-state effect and sensitivity characteristics; The calibration of the mapping relationship between the original analog signal of the gas sensor and the gas concentration within a given range under temperature is usually done by setting a heating plate on the bottom plate of the airtight chamber, heating it with power supply, and gradually changing the temperature in the airtight chamber and recording it. At the same time, the output change of the gas sensor is recorded to complete the calibration, and the temperature parameters in the airtight chamber are characterized by the temperature parameters of the bottom plate measured by the thermocouple, not the ambient temperature in the airtight chamber where the gas sensor is actually located, and there are errors in the calibration results larger. The testing and calibration of the gas sensor is based on the detection of basic components, and its detection results cannot represent the working performance of the entire system for the gas monitoring system.

而目前对气体监测系统整体的测试和标定，仍停留在实验室实施阶段，采取与气敏元件测试、标定相类似的技术方案进行，操作繁琐，检测效率低，且同样存在标定误差问题，更主要的是没有形成完整的测试系统，无法对气体监测系统进行精确的测试控制和标定，用以确定气体监测系统的完整性和可靠性；亦无法对气体监测系统实施批量性测试和标定；这样就造成了实际生活生产中已投入使用的气体监测系统的监测精度无法保证，导致了气体监测系统使用过程中遗留有安全隐患。At present, the overall testing and calibration of the gas monitoring system is still in the stage of laboratory implementation, and a technical solution similar to the testing and calibration of the gas sensor is adopted. The operation is cumbersome, the detection efficiency is low, and there are also calibration errors. The main thing is that there is no complete test system, and it is impossible to carry out precise test control and calibration of the gas monitoring system to determine the integrity and reliability of the gas monitoring system; it is also impossible to implement batch testing and calibration of the gas monitoring system; As a result, the monitoring accuracy of the gas monitoring system that has been put into use in actual life and production cannot be guaranteed, resulting in hidden safety hazards left in the use of the gas monitoring system.

发明内容Contents of the invention

本发明为了解决目前对于气体监测系统整体的测试和标定仍停留在实验室实施阶段，还未形成完整的测试系统，无法对气体监测系统进行精确的测试控制和标定的问题，提供了一种用于检测气体监测系统完整性、可靠性的测试系统。In order to solve the problem that the current overall testing and calibration of the gas monitoring system is still in the laboratory implementation stage, a complete testing system has not yet been formed, and the precise testing control and calibration of the gas monitoring system cannot be performed, the invention provides a It is a test system for testing the integrity and reliability of the gas monitoring system.

本发明是采用如下技术方案实现的：用于检测气体监测系统完整性、可靠性的测试系统，由控制单元、配气单元、检测单元构成；The present invention is realized by adopting the following technical solutions: a test system for detecting the integrity and reliability of the gas monitoring system, which is composed of a control unit, a gas distribution unit and a detection unit;

控制单元包括中控计算机、与中控计算机连接的高精度多通道数据采集器和质谱仪；The control unit includes a central control computer, a high-precision multi-channel data collector and a mass spectrometer connected to the central control computer;

配气单元包括混气罐、若干存储基础气体（即区别于混合气体的单种气体，例如：氧气、氮气、氢气、一氧化碳、二氧化碳等）的高压储气罐，各高压储气罐分别经相应导气管路与混气罐连接，各导气管路上由高压储气罐侧起依次设置有减压器、电子流量计、可控电磁阀，混气罐上设有出气管Ⅰ和出气管Ⅱ，出气管Ⅰ经管路与质谱仪的气源入口连接，且出气管Ⅰ和出气管Ⅱ上设有可控电磁阀，电子流量计、可控电磁阀与中控计算机连接；The gas distribution unit includes gas mixing tanks, several high-pressure gas storage tanks for storing basic gases (that is, single gases different from mixed gases, such as oxygen, nitrogen, hydrogen, carbon monoxide, carbon dioxide, etc.), and each high-pressure gas storage tank is passed through corresponding The air guiding pipeline is connected with the gas mixing tank, and each gas guiding pipeline is provided with a pressure reducer, an electronic flow meter, and a controllable solenoid valve in sequence from the side of the high-pressure gas storage tank, and the gas mixing tank is equipped with an air outlet pipe I and an air outlet pipe II. The gas outlet pipe I is connected to the gas source inlet of the mass spectrometer through the pipeline, and the gas outlet pipe I and the gas outlet pipe II are equipped with controllable solenoid valves, and the electronic flowmeter and the controllable solenoid valve are connected to the central control computer;

检测单元包括为待测气体监测系统提供测试环境的检测气室、电子调温型试验箱，检测气室置于电子调温型试验箱内，检测气室内设有与高精度多通道数据采集器输入端连接的接线端子，检测气室上设有进气管和排气管，排气管上设有可控电磁阀，且进气管经管路与混气罐的出气管Ⅱ连接；电子调温型试验箱、可控电磁阀与中控计算机连接；所述检测气室为密封型测试柜，其柜门及柜壁由石墨导热厚膜和防爆钢网构成。The detection unit includes a detection gas chamber that provides a test environment for the gas monitoring system to be tested, and an electronic temperature-adjustable test chamber. The detection gas chamber is placed in an electronic temperature-adjustable test chamber. The terminal connected to the input end, the detection gas chamber is equipped with an inlet pipe and an exhaust pipe, and a controllable solenoid valve is installed on the exhaust pipe, and the inlet pipe is connected to the outlet pipe II of the gas mixing tank through the pipeline; the electronic temperature adjustment type The test chamber and the controllable solenoid valve are connected with the central control computer; the detection gas chamber is a sealed test cabinet, and the cabinet door and cabinet wall are composed of graphite heat-conducting thick film and explosion-proof steel mesh.

所述电子调温型试验箱采用CTPS701B高低温快速变化湿热试验箱，该试验箱为公知产品。The electronic temperature control type test box adopts CTPS701B high and low temperature rapid change damp heat test box, which is a well-known product.

另外，配气单元还设置有与中控计算机连接的超声波加湿器，高压储气罐与混气罐之间的导气管路经管路与超声波加湿器连接，为满足测试需要，超声波加湿器在中控计算机控制下，对气体湿度加以调整。In addition, the gas distribution unit is also equipped with an ultrasonic humidifier connected to the central control computer. The gas conduction pipeline between the high-pressure gas storage tank and the gas mixing tank is connected to the ultrasonic humidifier through the pipeline. In order to meet the test needs, the ultrasonic humidifier is installed in the Under the control of the computer, the humidity of the gas is adjusted.

应用本发明所述测试系统对气体监测系统进行测试和标定时，其测试过程大致分为三步：配气步骤、检测步骤、数据处理步骤；When the test system of the present invention is used to test and calibrate the gas monitoring system, the test process is roughly divided into three steps: a gas distribution step, a detection step, and a data processing step;

配气步骤，在控制软件支持下，试验人员通过中控计算机设定配气参数，由中控计算机依据配气参数远程控制相应可控电磁阀的控制电压，开启可控电磁阀，使相应高压储气罐内的高压气体经减压器减压后，经导气管路进入混气罐内配气，由电子流量计对气体的输出流量进行实时监测，并反馈给中控计算机，中控计算机依据配气参数与流量反馈信号对可控电磁阀的控制电压进行自动调整，达到精确控制气体输出流量的目的，进而在混气罐内配比出理想气体浓度的混合气体，完成动态精确配气。In the gas distribution step, with the support of the control software, the test personnel set the gas distribution parameters through the central control computer, and the central control computer remotely controls the control voltage of the corresponding controllable solenoid valve according to the gas distribution parameters, and opens the controllable solenoid valve to make the corresponding high pressure After the high-pressure gas in the gas storage tank is decompressed by the pressure reducer, it enters the gas mixing tank through the gas guide pipeline for gas distribution. The electronic flowmeter monitors the output flow of the gas in real time and feeds it back to the central control computer. According to the gas distribution parameters and flow feedback signal, the control voltage of the controllable solenoid valve is automatically adjusted to achieve the purpose of accurately controlling the gas output flow, and then the mixed gas with the ideal gas concentration is mixed in the gas mixing tank to complete the dynamic and precise gas distribution .

检测步骤，将待测气体监测系统或者待测气体监测系统阵列置于检测气室内，输出端与检测气室内的接线端子连接（即待测气体监测系统与高精度多通道数据采集器连接），关闭检测气室柜门，对检测气室抽真空，然后通过中控计算机控制混气罐出气管Ⅰ和出气管Ⅱ上可控电磁阀的控制电压，首先开启出气管Ⅰ上的可控电磁阀，使混气罐内的混合气体小部分经出气管Ⅰ进入质谱仪后，关闭出气管Ⅰ上的可控电磁阀，开启出气管Ⅱ上的可控电磁阀，使混气罐内的混合气体经由出气管Ⅱ进入检测气室，由质谱仪对混合气体进行分析，获取标准源数据，由检测气室内的待测气体监测系统对混合气体进行静态测试，高精度多通道数据采集器实时采集待测气体监测系统的动态响应数据；在测试过程中，中控计算机依据测试需要，任意设置CTPS701B高低温快速变化湿热试验箱的温度、湿度及其斜率和温循。In the detection step, the gas monitoring system to be tested or the gas monitoring system array to be tested is placed in the detection gas chamber, and the output terminal is connected to the terminal in the detection gas chamber (that is, the gas monitoring system to be measured is connected to a high-precision multi-channel data collector), Close the door of the detection gas chamber, vacuum the detection gas chamber, and then control the control voltage of the controllable solenoid valves on the gas outlet pipe I and gas outlet pipe II of the gas mixing tank through the central control computer, and first open the controllable solenoid valve on the gas outlet pipe I , so that a small part of the mixed gas in the gas mixing tank enters the mass spectrometer through the gas outlet pipe I, close the controllable solenoid valve on the gas outlet pipe I, open the controllable solenoid valve on the gas outlet pipe II, and make the mixed gas in the gas mixing tank Enter the detection gas chamber through the gas outlet pipe II, the mixed gas is analyzed by the mass spectrometer, and the standard source data is obtained, and the gas mixture to be tested is tested statically by the gas monitoring system in the detection gas chamber, and the high-precision multi-channel data collector collects the gas in real time. Measure the dynamic response data of the gas monitoring system; during the test process, the central control computer arbitrarily sets the temperature, humidity, slope and temperature cycle of the CTPS701B high and low temperature rapid change damp heat test chamber according to the test requirements.

数据处理步骤，中控计算机实时采集、存储、显示：待测气体监测系统或者待测气体监测系统阵列的动态响应信号、待测气体监测系统或者待测气体监测系统阵列工作环境的温度及湿度等参数、质谱仪获取的标准源数据，并以此为依据，实时描绘对比曲线，计算浓度、灵敏度、响应时间、恢复时间、分辨率等测试的目标参数，具体如何计算是气体监测领域的公知技术常识。Data processing steps, the central control computer collects, stores, and displays in real time: the dynamic response signal of the gas monitoring system to be measured or the array of the gas monitoring system to be measured, the temperature and humidity of the working environment of the gas monitoring system to be measured or the array of the gas monitoring system to be measured, etc. Parameters, standard source data obtained by mass spectrometers, and based on this, real-time drawing of comparison curves, calculation of target parameters such as concentration, sensitivity, response time, recovery time, resolution, etc. How to calculate is a well-known technology in the field of gas monitoring common sense.

另针对待测气体监测系统或者待测气体监测系统阵列工作环境温度参数的获取，与现有技术相比，本发明所用检测气室摒弃了传统的钢制或者玻璃等材料，采用石墨导热厚膜和防爆钢网加工而成，应用了(GTS)石墨导热技术，这样，将检测气室置于CTPS701B高低温快速变化湿热试验箱里，检测气室内温度与试验箱内温度之间存在的温差很小且恒定，且经试验标定，检测气室内的温度比CTPS701B高低温快速变化湿热试验箱内的温度始终高1.67℃，即检测气室内温度与试验箱内温度之间的温差1.67℃，中控计算机根据CTPS701B高低温快速变化湿热试验箱的温度设置、检测气室内温度与试验箱内温度之间的温差可以直接获得检测气室内的温度参数；当然，待测气体监测系统或者待测气体监测系统阵列工作环境的温度参数也可通过在检验气室内设置相应传感器来监测获得。总之，本发明采用CTPS701B高低温快速变化湿热试验箱和石墨厚膜检测气室为测试系统提供核心检测环境比早期在密闭气室内置加热底板更易控制，同时最重要的是其提供的环境温度更精确更稳定，环境温度差值更恒定。In addition, for the acquisition of temperature parameters of the gas monitoring system to be measured or the array working environment of the gas monitoring system to be measured, compared with the prior art, the detection gas chamber used in the present invention abandons traditional steel or glass and other materials, and adopts thick graphite heat-conducting film It is processed with explosion-proof steel mesh, and (GTS) graphite heat conduction technology is applied. In this way, the detection gas chamber is placed in the CTPS701B high and low temperature rapid change damp heat test chamber, and the temperature difference between the temperature in the detection gas chamber and the temperature in the test chamber is very small. Small and constant, and through test calibration, the temperature in the detection chamber is always 1.67°C higher than the temperature in the CTPS701B high and low temperature rapid change damp heat test chamber, that is, the temperature difference between the detection chamber temperature and the temperature in the test chamber is 1.67°C, and the central control The computer can directly obtain the temperature parameters in the detection gas chamber according to the temperature setting of the CTPS701B high and low temperature rapid change damp heat test chamber and the temperature difference between the temperature in the detection gas chamber and the temperature in the test chamber; of course, the gas monitoring system or the gas monitoring system to be measured The temperature parameters of the working environment of the array can also be monitored and obtained by setting corresponding sensors in the test gas chamber. In short, the present invention adopts CTPS701B high and low temperature rapid change damp heat test chamber and graphite thick film detection gas chamber to provide the core detection environment for the test system, which is easier to control than the built-in heating bottom plate in the airtight gas chamber in the early stage, and the most important thing is that the ambient temperature it provides is higher. Accurate and more stable, the ambient temperature difference is more constant.

与现有技术相比，本发明所述测试系统结构合理，是以中控计算机为控制核心的测试系统，对气体监测系统测试时的配气、检测、数据处理皆在中控计算机的精确控制下实现，配气准确，检测环境稳定，数据处理迅速，测试结果有保证，有利于确定气体监测系统的完整性和应用可靠性。Compared with the prior art, the test system of the present invention has a reasonable structure, and is a test system with a central control computer as the control core. The gas distribution, detection, and data processing of the gas monitoring system are all under the precise control of the central control computer. It can realize accurate gas distribution, stable detection environment, rapid data processing, and guaranteed test results, which is conducive to determining the integrity and application reliability of the gas monitoring system.

附图说明Description of drawings

图1为本发明的结构原理图；Fig. 1 is a structural principle diagram of the present invention;

图中：1-混气罐；2-高压储气罐；3-减压器；4-电子流量计；5-可控电磁阀；6-出气管Ⅰ；7-出气管Ⅱ；8-检测气室；9-电子调温型试验箱；10-接线端子；11-进气管；12-排气管。In the figure: 1-air mixing tank; 2-high pressure gas storage tank; 3-pressure reducer; 4-electronic flowmeter; 5-controllable solenoid valve; 6-outlet pipe I; 7-outlet pipe II; 8-detection Air chamber; 9-electronic temperature control type test box; 10-connection terminal; 11-intake pipe; 12-exhaust pipe.

具体实施方式Detailed ways

如图1所示，用于检测气体监测系统完整性、可靠性的测试系统，由控制单元、配气单元、检测单元构成；As shown in Figure 1, the test system used to detect the integrity and reliability of the gas monitoring system consists of a control unit, a gas distribution unit, and a detection unit;

控制单元包括中控计算机、与中控计算机连接的高精度多通道数据采集器和质谱仪；The control unit includes a central control computer, a high-precision multi-channel data collector and a mass spectrometer connected to the central control computer;

配气单元包括混气罐1、若干存储基础气体的高压储气罐2，各高压储气罐2分别经相应导气管路与混气罐1连接，各导气管路上由高压储气罐2侧起依次设置有减压器3、电子流量计4、可控电磁阀5，混气罐1上设有出气管Ⅰ6和出气管Ⅱ7，出气管Ⅰ6经管路与质谱仪的气源入口连接，且出气管Ⅰ6和出气管Ⅱ7上设有可控电磁阀5，电子流量计4、可控电磁阀5与中控计算机连接；The gas distribution unit includes a gas mixing tank 1 and a number of high-pressuregas storage tanks 2 for storing basic gases. Apressure reducer 3, anelectronic flowmeter 4, and acontrollable solenoid valve 5 are provided in sequence, and the gas mixing tank 1 is provided with an air outlet pipe I6 and an air outlet pipe II7, and the air outlet pipe I6 is connected to the gas source inlet of the mass spectrometer through a pipeline, and Thecontrollable solenoid valve 5 is provided on the air outlet pipe I6 and the air outlet pipe II7, and theelectronic flow meter 4 and the controllableelectromagnetic valve 5 are connected to the central control computer;

检测单元包括为待测气体监测系统提供测试环境的检测气室8、电子调温型试验箱9，检测气室8置于电子调温型试验箱9内，检测气室8内设有与高精度多通道数据采集器输入端连接的接线端子10，检测气室8上设有进气管11和排气管12，排气管12上设有可控电磁阀5，且进气管11经管路与混气罐1的出气管Ⅱ7连接；电子调温型试验箱9、可控电磁阀5与中控计算机连接；所述检测气室8为密封型测试柜，其柜门及柜壁由石墨导热厚膜和防爆钢网构成。The detection unit includes adetection gas chamber 8 that provides a test environment for the gas monitoring system to be tested, and an electronic temperature-adjustable test chamber 9. Thedetection gas chamber 8 is placed in the electronic temperature-adjustable test chamber 9. Theconnection terminal 10 connected to the input end of the precision multi-channel data collector, thedetection gas chamber 8 is provided with anintake pipe 11 and anexhaust pipe 12, and theexhaust pipe 12 is provided with a controllableelectromagnetic valve 5, and theintake pipe 11 is connected to the The outlet pipe II7 of the gas mixing tank 1 is connected; the electronic temperature-adjustingtest box 9 and thecontrollable solenoid valve 5 are connected to the central control computer; thedetection gas chamber 8 is a sealed test cabinet, and the cabinet door and cabinet wall are made of graphite heat conduction It is composed of thick film and explosion-proof steel mesh.

所述电子调温型试验箱9采用CTPS701B高低温快速变化湿热试验箱。The electronic temperature controltype test box 9 adopts a CTPS701B high and low temperature rapid change damp heat test box.

配气单元还设置有与中控计算机连接的超声波加湿器，高压储气罐2与混气罐1之间的导气管路经管路与超声波加湿器连接。The gas distribution unit is also provided with an ultrasonic humidifier connected to the central control computer, and the gas conduction pipeline between the high-pressuregas storage tank 2 and the gas mixing tank 1 is connected to the ultrasonic humidifier through the pipeline.

Claims (3)

Translated fromChinese

1.一种用于检测气体监测系统完整性、可靠性的测试系统，其特征在于：由控制单元、配气单元、检测单元构成；1. A test system for detecting the integrity and reliability of a gas monitoring system, characterized in that: it is composed of a control unit, a gas distribution unit, and a detection unit;控制单元包括中控计算机、与中控计算机连接的高精度多通道数据采集器和质谱仪；The control unit includes a central control computer, a high-precision multi-channel data collector and a mass spectrometer connected to the central control computer;配气单元包括混气罐（1）、若干存储基础气体的高压储气罐（2），各高压储气罐（2）分别经相应导气管路与混气罐（1）连接，各导气管路上由高压储气罐（2）侧起依次设置有减压器（3）、电子流量计（4）、可控电磁阀（5），混气罐（1）上设有出气管Ⅰ（6）和出气管Ⅱ（7），出气管Ⅰ（6）经管路与质谱仪的气源入口连接，且出气管Ⅰ（6）和出气管Ⅱ（7）上设有可控电磁阀（5），电子流量计（4）、可控电磁阀（5）与中控计算机连接；The gas distribution unit includes a gas mixing tank (1), a number of high-pressure gas storage tanks (2) for storing basic gases, and each high-pressure gas storage tank (2) is connected to the gas mixing tank (1) through a corresponding gas-guiding pipeline, and each gas-guiding tube On the road, a pressure reducer (3), an electronic flow meter (4), and a controllable solenoid valve (5) are arranged sequentially from the side of the high-pressure gas storage tank (2), and the air outlet pipe I (6 ) and the outlet pipe II (7), the outlet pipe I (6) is connected to the gas source inlet of the mass spectrometer through the pipeline, and the outlet pipe I (6) and the outlet pipe II (7) are equipped with a controllable solenoid valve (5) , the electronic flowmeter (4), the controllable solenoid valve (5) are connected with the central control computer;检测单元包括为待测气体监测系统提供测试环境的检测气室（8）、电子调温型试验箱（9），检测气室（8）置于电子调温型试验箱（9）内，检测气室（8）内设有与高精度多通道数据采集器输入端连接的接线端子（10），检测气室（8）上设有进气管（11）和排气管（12），排气管（12）上设有可控电磁阀（5），且进气管（11）经管路与混气罐（1）的出气管Ⅱ（7）连接；电子调温型试验箱（9）、可控电磁阀（5）与中控计算机连接；所述检测气室（8）为密封型测试柜，其柜门及柜壁由石墨导热厚膜和防爆钢网构成。The detection unit includes a detection gas chamber (8) that provides a test environment for the gas monitoring system to be tested, and an electronic temperature-regulating test box (9). The detection gas chamber (8) is placed in the electronic temperature-regulating test box (9). The air chamber (8) is provided with a connection terminal (10) connected to the input end of the high-precision multi-channel data collector, and the detection air chamber (8) is provided with an air inlet pipe (11) and an exhaust pipe (12). A controllable electromagnetic valve (5) is provided on the pipe (12), and the inlet pipe (11) is connected to the outlet pipe II (7) of the gas mixing tank (1) through the pipeline; The control solenoid valve (5) is connected with the central control computer; the detection gas chamber (8) is a sealed test cabinet, and its door and cabinet wall are composed of graphite heat-conducting thick film and explosion-proof steel mesh.2.根据权利要求1所述的用于检测气体监测系统完整性、可靠性的测试系统，其特征在于：所述电子调温型试验箱（9）采用CTPS701B高低温快速变化湿热试验箱。2. The test system for detecting the integrity and reliability of the gas monitoring system according to claim 1, characterized in that: the electronic temperature-adjusting type test box (9) adopts CTPS701B high and low temperature rapid change damp heat test box.3.根据权利要求1所述的用于检测气体监测系统完整性、可靠性的测试系统，其特征在于：配气单元还设置有与中控计算机连接的超声波加湿器，高压储气罐（2）与混气罐（1）之间的导气管路经管路与超声波加湿器连接。3. The test system for detecting the integrity and reliability of the gas monitoring system according to claim 1, characterized in that: the gas distribution unit is also provided with an ultrasonic humidifier connected to the central control computer, a high-pressure gas storage tank (2 ) and the gas mixing tank (1) are connected to the ultrasonic humidifier through the pipeline.

Images