WO2022257199A1 - 自闭阀智能过流测试设备 - Google Patents

自闭阀智能过流测试设备 Download PDF

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Publication number
WO2022257199A1
WO2022257199A1 PCT/CN2021/102934 CN2021102934W WO2022257199A1 WO 2022257199 A1 WO2022257199 A1 WO 2022257199A1 CN 2021102934 W CN2021102934 W CN 2021102934W WO 2022257199 A1 WO2022257199 A1 WO 2022257199A1
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Prior art keywords
flow
valve
self
closing valve
tested
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PCT/CN2021/102934
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English (en)
French (fr)
Inventor
忻明杰
陈见
金宇谈
符雪萍
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宁波忻杰燃气用具实业有限公司
苏州普乐太自控技术有限公司
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Application filed by 宁波忻杰燃气用具实业有限公司, 苏州普乐太自控技术有限公司 filed Critical 宁波忻杰燃气用具实业有限公司
Publication of WO2022257199A1 publication Critical patent/WO2022257199A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/003—Machine valves

Definitions

  • the utility model relates to the technical field of testing equipment, in particular to a self-closing valve intelligent overcurrent testing equipment.
  • Pipeline gas self-closing valve referred to as self-closing valve
  • self-closing valve is installed on the pipeline of low-pressure gas system.
  • the gas supply pressure of the pipeline is underpressure or overpressure, it can be automatically closed without electricity or other external power and must be opened manually.
  • the self-closing valve is in the neutral conduction state, which is a device that can ensure the safe use of pipeline gas.
  • the purpose is to provide a self-closing valve intelligent over-current testing equipment to solve the problems of inaccurate and low-efficiency artificially adjusted flow detection existing in the prior art, and to improve the quality of self-closing valve products And reliability, to ensure the user's normal use of gas and the safety of gas use.
  • An intelligent overcurrent testing device for a self-closing valve including a test bench, on which a fixing mechanism, a sensing mechanism, a flow gas path mechanism, a display mechanism and a controller are arranged;
  • the fixing mechanism is used to locate and fix the self-closing valve to be tested
  • the flow air path mechanism is used to pass the flow air flow within a certain range to the self-closing valve to be tested;
  • the sensing mechanism is used to monitor the overcurrent conduction state of the self-closing valve to be tested under different flow rates and feed back the results to the controller;
  • the controller judges the overcurrent conduction state of the self-closing valve to be tested under different flow rates and feeds back the judgment result to the display mechanism;
  • the controller is electrically connected with the fixing mechanism, the sensing mechanism and the flow gas path mechanism.
  • the utility model accurately and efficiently tests the conduction performance of the self-closing valve within a certain range, and its test efficiency is high, which avoids the inaccurate and inaccurate detection of the artificially adjusted flow rate. Lower problem.
  • the entire control system realizes the kinetic energy such as automatic flow increase and decrease flow, which improves the efficiency of automatic production.
  • the utility model improves the test accuracy and efficiency of the self-closing valve conduction performance detection, improves the quality and reliability of the self-closing valve product, and effectively guarantees the user's normal use of gas and the safety of gas use.
  • the flow rate air circuit mechanism includes an air inlet port, a pressure regulating valve, a main solenoid valve, a pressure gauge, a plurality of solenoid valves and flow valves, and an air outlet port arranged in sequence.
  • the plurality of solenoid valves and flow valves include a first flow valve controlled by a first solenoid valve, a second flow valve controlled by a second solenoid valve, a third flow valve controlled by a third solenoid valve, Fourth flow valve controlled by fourth solenoid valve.
  • the air intake end includes an air source end, a triple piece and an air tank connected in sequence, and the air outlet end of the air tank is connected with a pressure regulating valve for stabilizing the air pressure.
  • the fixing mechanism includes a fixed bottom plate, a horizontal slide rail arranged on the fixed bottom plate, and a horizontal slide block for positioning and fixing the self-closing valve to be tested. Both sides of the horizontal slide block are equipped with For blocking the first plug and the second plug of the self-closing valve to be tested, the first plug is fixed on the fixed base plate, and the second plug moves horizontally under the driving action of the driving cylinder. Through this setting, the self-closing valve to be tested is fixed, and the airtightness of the self-closing valve to be tested is guaranteed.
  • the first plug is provided with an air inlet, and the air inlet is connected to the air outlet of the flow air passage mechanism, and the second plug is provided with an air outlet, and the air outlet is connected to the flow The inlet end connection of the air circuit mechanism.
  • the sensing mechanism is an infrared sensing device.
  • the display mechanism includes an indicator light, an operation panel and a flow display.
  • the controller also includes a main switch of the equipment, a start control button and an emergency stop button.
  • Fig. 1 is the overall figure of the self-closing valve intelligent overcurrent testing equipment of the present invention
  • Fig. 2 is the front view of the self-closing valve intelligent overcurrent testing equipment of the present invention
  • Fig. 3 is the structural representation of the fixing mechanism in the utility model
  • Fig. 4 is a diagram of the flow gas circuit mechanism in the utility model.
  • Test stand 2. Fixing mechanism; 2.1. Fixed bottom plate; 2.2. Horizontal slide rail; 2.3. Horizontal slider; 2.4. First plug; 2.5. Second plug; 2.6. Driving cylinder ; 2.7, air inlet; 2.8, air outlet; 3, flow air mechanism; 3.1, air inlet; 3.1.1, air source; 3.1.2, triple; Pressure valve; 3.3, total solenoid valve; 3.4, pressure gauge; 3.5, first solenoid valve; 3.6, first flow valve; 3.7, second solenoid valve; 3.8, second flow valve; 3.9, third solenoid valve; 3.10 , the third flow valve; 3.11, the fourth solenoid valve; 3.12, the fourth flow valve; 4, the induction mechanism; 5, the display mechanism; 5.1, the indicator light; 5.2, the operation panel; 5.3, the flow display; ; 6.2, start control button; 6.3, emergency stop button.
  • the utility model shows a self-closing valve intelligent overcurrent testing equipment, including a test bench 1, on which a fixing mechanism 2, an induction mechanism 4, and a flow gas path mechanism are arranged. 3.
  • the display mechanism 5 and the controller (not shown in the figure). Wherein, the controller is electrically connected with the fixing mechanism 2, the sensing mechanism 4, the flow gas path mechanism 3, and the display mechanism 5, and controls the normal operation of each mechanism.
  • the fixing mechanism 2 is used to locate and fix the self-closing valve to be tested, as shown in Figure 3, including a fixed bottom plate 2.1, a horizontal slider 2.3, a first plug 2.4, a second plug 2.5 and a driving cylinder 2.6.
  • the horizontal slide rail 2.2 is fixed on the fixed base plate 2.1, the horizontal slide block 2.3 can slide along the horizontal slide rail 2.2, and the horizontal slide block 2.3 is provided with a station for positioning and fixing the self-closing valve to be tested.
  • the self-closing valve can be installed in this station.
  • Both sides of the horizontal slider 2.3 are provided with a first plug 2.4 and a second plug 2.5 for blocking the self-closing valve to be tested, and the first plug 2.4 is fixed on the fixed base plate 2.1, that is to say, the self-closing valve to be tested
  • the first plug 2.4 is fixed on the fixed base plate 2.1, that is to say, the self-closing valve to be tested
  • the drive cylinder 2.6 stretches out the cylinder rod so that the second plug 2.5 also blocks the other end of the self-closing valve to be tested, ensuring the airtightness of the self-closing valve to be tested.
  • the first plug 2.4 is provided with an air inlet 2.7
  • the second plug 2.5 is provided with an air outlet 2.8.
  • the flow air circuit mechanism 3 is used to pass the flow air flow within a certain range to the self-closing valve to be tested.
  • the flow air circuit mechanism 3 includes an air inlet 3.1, a pressure regulating valve 3.2, and a main solenoid valve arranged in sequence. 3.3, pressure gauge 3.4, multiple solenoid valves and flow valves, gas outlet (not shown in the figure).
  • the air inlet end 3.1 includes an air source end 3.1.1, a triple piece 3.1.2 and an air tank 3.1.3 connected in sequence, and the air outlet end of the air tank 3.1.3 is connected with the pressure regulating valve 3.2.
  • a pressure regulating valve 3.2 is connected to the air outlet of the air tank 3.1.3, and the air pressure can be adjusted according to requirements.
  • a total solenoid valve 3.3 is provided to control the opening or closing of the entire flow air circuit, and the pressure gauge 3.4 monitors and displays the air pressure value.
  • the triple piece refers to: in the pneumatic technology, the air filter, the pressure reducing valve and the oil mist device are assembled together, which is called the pneumatic triple piece, which is used to purify and filter the air source entering the pneumatic instrument. Decompress to the rated air source pressure supplied by the instrument, which is equivalent to the function of the power transformer in the circuit.
  • a plurality of solenoid valves and flow valves include a first flow valve 3.6 controlled by a first solenoid valve 3.5, a second flow valve 3.8 controlled by a second solenoid valve 3.7, a third flow valve 3.10 controlled by a third solenoid valve 3.9, A fourth flow valve 3.12 controlled by a fourth solenoid valve 3.11.
  • the self-closing valve to be tested can be tested by gradually increasing the flow rate in multiple stages during the test, so as to avoid filling the gas with too high flow rate at once, which will directly cause the self-closing valve to be tested to close and affect the test results.
  • the air flow circuit adopts the method of increasing the flow rate in multiple stages to test whether the self-closing valve to be tested is conducted before the minimum flow A and closed after the maximum flow B within the A-B flow range.
  • the self-closing valve to be tested is opened with the starting air pressure a of the self-closing valve to be tested, and then the first flow valve 3.6 is opened by opening the first electromagnetic valve 3.5 to fill the first stage flow C, and then the second electromagnetic valve is opened.
  • the valve 3.7 opens the second flow valve 3.8 to fill the second stage flow D, so that the air pressure of the air flow circuit reaches a certain value and tends to be stable, and then opens the third flow valve 3.10 by opening the third electromagnetic valve 3.9 to fill the measured flow rate D.
  • the minimum flow rate A in the range and finally open the fourth solenoid valve 3.11 to open the fourth flow valve 3.12 to fill the maximum flow rate B in the measured range, and use the sensing mechanism 4 to judge the overcurrent conduction state of the self-closing valve to be tested and feed back the result to controller.
  • the sensing mechanism 4 is used to monitor the overcurrent conduction state of the self-closing valve to be tested under different flow rates and feed back the result to the controller.
  • the sensing mechanism 4 is an infrared sensing device, which senses the overcurrent conduction state of the self-closing valve to be tested under different flow rates of air through infrared rays, and implements real-time monitoring, and feeds back the monitoring results to the controller.
  • the controller judges the overcurrent conduction state of the self-closing valve to be tested under different flow rates and feeds back the judgment result to the display mechanism 5 .
  • the display mechanism 5 includes an indicator light 5.1, an operation panel 5.2 and a flow display 5.3.
  • the indicator light 5.1 is used to display whether the self-closing valve to be tested is qualified or not. If it is qualified, it will display a green light, and if it is unqualified, it will display a red light.
  • the operation screen 5.2 is convenient for the operator to input data for testing.
  • the flow display 5.3 is used for real-time monitoring of the incoming flow and air flow.
  • the controller also includes an equipment main switch 6.1, a start control button 6.2 and an emergency stop button 6.3.
  • the main switch of the equipment 6.1 controls the opening or closing of the entire equipment
  • the start control button 6.2 controls the opening or closing of the test
  • the emergency stop button 6.3 can be shut down in time when the equipment is in an emergency state. These buttons are used to protect the device.
  • the testing principle of the utility model self-closing valve intelligent overcurrent testing equipment is as follows:
  • the start control button 6.2 open the pressure regulating valve 3.2 to fill the starting air pressure a of the self-closing valve to be tested, and the sensing mechanism 4 senses whether the self-closing valve to be tested is in a conduction state through infrared rays, and feeds back the result to the controller , the non-conductive state indicates that the self-closing valve to be tested is unqualified;
  • the sensing mechanism 4 monitors in real time whether the self-closing valve is in a conducting state, and the non-conducting state indicates that the self-closing valve to be tested is an unqualified piece;
  • the above results are displayed by the indicator light 5.1 of the display mechanism 5 controlled by the controller.
  • the green light it means that the self-closing valve to be tested is qualified in this state
  • the red light it means that the self-closing valve to be tested is unqualified.
  • the above process is mainly to test whether the self-closing valve to be tested is conducted before the minimum flow A and closed after the maximum flow B within the A-B flow range.
  • the utility model accurately and efficiently tests the conduction performance of the self-closing valve within a certain range, and the test efficiency is high, which avoids the problems of inaccurate and low efficiency of manual adjustment flow detection.
  • the entire control system realizes the kinetic energy such as automatic flow increase and decrease flow, which improves the efficiency of automatic production.
  • the utility model improves the test accuracy and efficiency of the self-closing valve conduction performance detection, improves the quality and reliability of the self-closing valve product, and effectively guarantees the user's normal use of gas and the safety of gas use.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)

Abstract

本实用新型公开了一种自闭阀智能过流测试设备，包括测试台架，所述测试台架上设有固定机构、感应机构、流量气路机构、显示机构和控制器；所述固定机构用于定位并固定待测自闭阀；所述流量气路机构用于给待测自闭阀通一定范围内的流量气流；所述感应机构用于监测待测自闭阀在不同流量气流下的过流导通状态并将结果反馈给控制器；所述控制器对待测自闭阀在不同流量气流下的过流导通状态进行判断并将判断结果反馈给显示机构；所述控制器与固定机构、感应机构、流量气路机构电连接。本实用新型以解决现有技术存在的人工调节流量检测不准确、效率低下的问题，有效提高自闭阀产品的质量及可靠性，保证使用者用气的安全性。

Description

自闭阀智能过流测试设备 技术领域
本实用新型涉及测试设备的技术领域，具体是涉及一种自闭阀智能过流测试设备。
背景技术
管道燃气自闭阀，简称自闭阀，安装于低压燃气系统管道上，当管道供气压力出现欠压、超压时，不用电或其它外部动力，能自动关闭并须手动开启，当管道供气压力正常时，自闭阀处于中位导通状态，是一种能保证管道燃气安全使用的装置。
目前，管道燃气自闭阀的生产厂家众多，规模有大有小，产品的一致性及质量参差不齐。大部分生产厂家缺少必要的检测手段对产品做符合国标标准的出厂检测。管道燃气自闭阀的测试项目众多，其中在中位导通状态时，给自闭阀通入一定范围内的流量，以测试在该范围内自闭阀是否能正常导通工作而不出现意外关闭，这是检测自闭阀是否符合标准的指标。
目前大部分厂家不检或者采用人工搭建简易测试工装的方式进行检测，没有检测标准和检测手段，检测结果不准确，而且人工检测效率低下，不能保证自闭阀产品的质量及可靠性，更加不能保证使用者正常用气及用气安全性。
实用新型内容
针对现有技术中存在的上述问题，旨在提供一种自闭阀智能过流测试设备，以解决现有技术存在的人工调节流量检测不准确、效率低下的问题，提高自闭阀产品的质量及可靠性，保证使用者正常用气及用气安全性。
具体技术方案如下：
一种自闭阀智能过流测试设备，包括测试台架，所述测试台架上设有固定机构、感应机构、流量气路机构、显示机构和控制器；
所述固定机构用于定位并固定待测自闭阀；
所述流量气路机构用于给待测自闭阀通一定范围内的流量气流；
所述感应机构用于监测待测自闭阀在不同流量气流下的过流导通状态并将结果反馈给控制器；
所述控制器对待测自闭阀在不同流量气流下的过流导通状态进行判断并将判断结果反馈给显示机构；
所述控制器与固定机构、感应机构、流量气路机构电连接。
相较于现有技术，综上所述，本实用新型精确、高效地对自闭阀在一定范围内的导通性能进行了测试，其测试效率高，避免了人工调节流量检测不准确、效率低下的问题。整个控制系统实现自动加流量、降流量等动能，提高了自动化生产下的效率。总之，本实用新型提高了自闭阀导通性能检测的测试精度及效率，提高了自闭阀产品的质量及可靠性，有效保证了使用者正常用气及用气安全性。
较佳的，所述流量气路机构包括依次设置的进气端、调压阀、总电磁阀、压力表、多个电磁阀及流量阀、出气端。
较佳的，所述多个电磁阀及流量阀包括通过第一电磁阀控制的第一流量阀、通过第二电磁阀控制的第二流量阀、通过第三电磁阀控制的第三流量阀、通过第四电磁阀控制的第四流量阀。通过该设计，使得在测试时，流量气路采用多段流量逐步升高的方式充入气体，避免一下子充入过高流量的气体导致待测自闭阀直接关闭，从而提高测试结果的准确性。
较佳的，所述进气端包括依次连接的气源端、三联件和气罐，所述气罐的出气端与调压阀连接，用于稳定气压。
较佳的，所述固定机构包括固定底板、设置在所述固定底板上的水平滑轨及用于定位并固定待测自闭阀的水平滑块，所述水平滑块的两侧均设有用于堵住待测自闭阀的第一堵头和第二堵头，所述第一堵头固定在固定底板上，所述第二堵头通过驱动气缸的驱动作用下水平移动。通过该设置，以固定待测自闭阀，且保证待测自闭阀测试时的气密性。
较佳的，所述第一堵头上设有进气口，所述进气口与流量气路机构的出气端连接，所述第二堵头上设有出气口，所述出气口与流量气路机构的进气端连接。通过该设计，形成气流回路，使得测试更准确。
较佳的，所述感应机构为红外线感应装置。
较佳的，所述显示机构包括指示灯、操作屏和流量显示。
较佳的，所述控制器还包括设备总开关、启动控制按钮和急停按钮。
附图说明
图1为本实用新型自闭阀智能过流测试设备的整体图；
图2为本实用新型自闭阀智能过流测试设备的正视图；
图3为本实用新型中的固定机构的结构示意图；
图4为本实用新型中的流量气路机构图。
附图中，1、测试台架；2、固定机构；2.1、固定底板；2.2、水平滑轨；2.3、水平滑块；2.4、第一堵头；2.5、第二堵头；2.6、驱动气缸；2.7、进气口；2.8、出气口；3、流量气路机构；3.1、进气端；3.1.1、气源端；3.1.2、三联件；3.1.3、气罐；3.2、调压阀；3.3、总电磁阀；3.4、压力表；3.5、第一电磁阀；3.6、第一流量阀；3.7、第二电磁阀；3.8、第二流量阀；3.9、第三电磁阀；3.10、第三流量阀；3.11、第四电磁阀；3.12、第四流量阀；4、感应机构；5、显示机构；5.1、指示灯；5.2、操作屏；5.3、流量显示；6.1、设备总开关；6.2、启动控制按钮；6.3、急停按钮。
具体实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型的一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
如图1所示，本实用新型示出了一种自闭阀智能过流测试设备，包括测试台架1，在该测试台架1上设有固定机构2、感应机构4、流量气路机构3、显示机构5和控制器(图中未显示)。其中，控制器与固定机构2、感应机构4、流量气路机构3、显示机构5电连接，并控制各个机构的正常运行。
具体结构如下：
固定机构2用于定位并固定待测自闭阀，如图3所示，包括固定底板2.1、水平滑块2.3、第一堵头2.4、第二堵头2.5和驱动气缸2.6。水平滑轨2.2固定在固定底板2.1上，水平滑块2.3可沿水平滑轨2.2滑动，水平滑块2.3上设有用于定位并固定待测自闭阀的工位，测试前，只要将待测自闭阀安装到该工位即可。水平滑块2.3的两侧均设有用于堵住待测自闭阀的第一堵头2.4和第二堵头2.5，第一堵头2.4固定在固定底板2.1上，也就是说待测自闭阀安装到工位上时，待测自闭阀一端就通过第一堵头2.4堵住了，第二堵头2.5通过驱动气缸2.6的驱动作用下水平移动，待测自闭阀安装到工位上后，驱动气缸2.6伸出气缸杆使得第二堵头2.5将待测自闭阀另一端也堵住了，保证了待测自闭阀的气密性。而且，第一堵头2.4上设有进气口2.7，第二堵头2.5上设有出气口2.8。
流量气路机构3用于给待测自闭阀通一定范围内的流量气流，如图4所示，该流量气路机构3包括依次设置的进气端3.1、调压阀3.2、总电磁阀3.3、压力表3.4、多个电磁阀及流量阀、出气端(图中未显示)。其中，进气端3.1包括依次连接的气源端3.1.1、三联件 3.1.2和气罐3.1.3，气罐3.1.3的出气端与调压阀3.2连接。由于从气源端3.1.1出来的气压不稳定且气压较高，所以通过三联件3.1.2稳压，并通过气罐3.1.3储存一定的气流，以使得气流通道内的气流压力稳定。为了适应该测试设备所需的气压要求，在气罐3.1.3的出气端连接调压阀3.2，可以根据需求调节气压。而且，设置了总电磁阀3.3，以控制整个流量气路的开启或关闭，压力表3.4监测并显示气压值。
其中，三联件是指：在气动技术中，将空气过滤器、减压阀和油雾器三种气源处理元件组装在一起称为气动三联件，用以进入气动仪表之气源净化过滤和减压至仪表供给额定的气源压力，相当于电路中的电源变压器的功能。
多个电磁阀及流量阀包括通过第一电磁阀3.5控制的第一流量阀3.6、通过第二电磁阀3.7控制的第二流量阀3.8、通过第三电磁阀3.9控制的第三流量阀3.10、通过第四电磁阀3.11控制的第四流量阀3.12。通过该设置，以实现在测试时对待测自闭阀通过多段流量逐步升高的方式进行测试，避免一下子充入过高流量的气体，直接导致待测自闭阀关闭，影响测试结果。
使用时，将流量气路机构3的出气端与第一堵头2.4上的进气口2.7连接，流量气路机构3的进气端3.1与第二堵头2.5上的出气口2.8连接，形成一个气流回路。该气流回路采用多段流量逐步升高的方式，以测试在A-B流量范围内待测自闭阀是否在最小流量A之前导通且在最大流量B之后关闭，具体是：首先通过开启调压阀3.2以充入待测自闭阀的启动气压a，使待测自闭阀开启，然后通过开启第一电磁阀3.5打开第一流量阀3.6以充入第一段流量C，再通过开启第二电磁阀3.7打开第二流量阀3.8以充入第二段流量D，使得气流回路的气压达到一定值并趋于稳定，接着，通过开启第三电磁阀3.9打开第三流量阀3.10以充入被测范围最小流量A，最后开启第四电磁阀3.11打开第四流量阀3.12以充入被测范围最大流量B，通过感应机构4来判断待测自闭阀的过流导通状态并将结果反馈给控制器。
感应机构4用于监测待测自闭阀在不同流量气流下的过流导通状态并将结果反馈给控制器。该感应机构4为红外线感应装置，通过红外线感应待测自闭阀在通不同流量气流下的过流导通状态，并实行实时监控，将监测结果反馈给控制器。
如图2所示，控制器对待测自闭阀在不同流量气流下的过流导通状态进行判断并将判断结果反馈给显示机构5。显示机构5包括指示灯5.1、操作屏5.2和流量显示5.3。指示灯5.1用于显示待测自闭阀的是否合格状态，合格显示绿灯，不合格显示红灯。操作屏5.2方便操作人员输入数据以测试。流量显示5.3用于实时监测通入的流量气流情况。
控制器还包括设备总开关6.1、启动控制按钮6.2和急停按钮6.3。设备总开关6.1控制 整个设备的开启或关闭，启动控制按钮6.2控制测试的开启或关闭，急停按钮6.3在设备出现紧急状态时可及时关停。这些按钮都起到保护设备的作用。
本实用新型自闭阀智能过流测试设备的测试原理如下：
首先，打开设备总开关6.1，将待测自闭阀固定在固定机构2上，并通过第一堵头2.4和第二堵头2.5将待测自闭阀进行气密性堵塞，具体的，待测自闭阀安装到固定机构2上时，第一堵头2.4将待测自闭阀一端堵住，另一端通过启动驱动气缸2.6使第二堵头2.5堵住并压紧待测自闭阀；
然后，打开启动控制按钮6.2，开启调压阀3.2以充入待测自闭阀的启动气压a，感应机构4通过红外线感应待测自闭阀是否处于导通状态，并将结果反馈给控制器，非导通状态说明待测自闭阀为不合格件；
当待测自闭阀处于导通状态时，通过开启第一电磁阀3.5打开第一流量阀3.6以充入第一段流量C，再通过开启第二电磁阀3.7打开第二流量阀3.8以充入第二段流量D，此时，感应机构4实时监测测自闭阀是否处于导通状态，非导通状态说明待测自闭阀为不合格件；
是导通状态时，再通过开启第三电磁阀3.9打开第三流量阀3.10以充入被测范围最小流量A，感应机构4实时监测待测自闭阀是否处于导通状态，导通状态才说明待测自闭阀为合格件；最后开启第四电磁阀3.11打开第四流量阀3.12以充入被测范围最大流量B，感应机构4实时监测待测自闭阀是否处于导通状态，非导通状态才说明待测自闭阀为合格件。
上述结果通过控制器控制显示机构5的指示灯5.1显示，当显示绿灯状态，说明待测自闭阀在该状态下为合格的，当显示红灯状态，说明待测自闭阀为不合格件。上述过程主要是测试在A-B流量范围内待测自闭阀是否在最小流量A之前导通且在最大流量B之后关闭，如果是，则为合格件，如果不是，则为不合格件。
综上所述，本实用新型精确、高效地对自闭阀在一定范围内的导通性能进行了测试，其测试效率高，避免了人工调节流量检测不准确、效率低下的问题。整个控制系统实现自动加流量、降流量等动能，提高了自动化生产下的效率。总之，本实用新型提高了自闭阀导通性能检测的测试精度及效率，提高了自闭阀产品的质量及可靠性，有效保证了使用者正常用气及用气安全性。
需要说明，本实用新型实施例中所有方向性指示(诸如上、下、左、右、前、后、内、外……)仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
在本实用新型中，除非另有明确的规定和限定，术语“安装”、“连接”、“固定”等 术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本实用新型中的具体含义。
另外，在本实用新型中如涉及“第一”、“第二”等的描述仅用于描述目的，并非特别指称次序或顺位的意思，亦非用以限定本实用新型，其仅仅是为了区别以相同技术用语描述的组件或操作而已，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本实用新型要求的保护范围之内。
以上仅为本实用新型较佳的实施例，并非因此限制本实用新型的实施方式及保护范围，对于本领域技术人员而言，应当能够意识到凡运用本实用新型说明书及图示内容所作出的等同替换和显而易见的变化所得到的方案，均应当包含在本实用新型的保护范围内。

Claims (9)

  1. 一种自闭阀智能过流测试设备，包括测试台架(1)，其特征在于：所述测试台架(1)上设有固定机构(2)、感应机构(4)、流量气路机构(3)、显示机构(5)和控制器；
    所述固定机构(2)用于定位并固定待测自闭阀；
    所述流量气路机构(3)用于给待测自闭阀通一定范围内的流量气流；
    所述感应机构(4)用于监测待测自闭阀在不同流量气流下的过流导通状态并将结果反馈给控制器；
    所述控制器对待测自闭阀在不同流量气流下的过流导通状态进行判断并将判断结果反馈给显示机构(5)；
    所述控制器与固定机构(2)、感应机构(4)、流量气路机构(3)电连接。
  2. 根据权利要求1所述的自闭阀智能过流测试设备，其特征在于，所述流量气路机构(3)包括依次设置的进气端(3.1)、调压阀(3.2)、总电磁阀(3.3)、压力表(3.4)、多个电磁阀及流量阀、出气端。
  3. 根据权利要求2所述的自闭阀智能过流测试设备，其特征在于，所述多个电磁阀及流量阀包括通过第一电磁阀(3.5)控制的第一流量阀(3.6)、通过第二电磁阀(3.7)控制的第二流量阀(3.8)、通过第三电磁阀(3.9)控制的第三流量阀(3.10)、通过第四电磁阀(3.11)控制的第四流量阀(3.12)。
  4. 根据权利要求2所述的自闭阀智能过流测试设备，其特征在于，所述进气端(3.1)包括依次连接的气源端(3.1.1)、三联件(3.1.2)和气罐(3.1.3)，所述气罐(3.1.3)的出气端与调压阀(3.2)连接。
  5. 根据权利要求2-4任意一项所述的自闭阀智能过流测试设备，其特征在于，所述固定机构(2)包括固定底板(2.1)、设置在所述固定底板(2.1)上的水平滑轨(2.2)及用于定位并固定待测自闭阀的水平滑块(2.3)，所述水平滑块(2.3)的两侧均设有用于堵住待测自闭阀的第一堵头(2.4)和第二堵头(2.5)，所述第一堵头(2.4)固定在固定底板(2.1)上，所述第二堵头(2.5)通过驱动气缸(2.6)的驱动作用下水平移动。
  6. 根据权利要求5所述的自闭阀智能过流测试设备，其特征在于，所述第一堵头(2.4)上设有进气口(2.7)，所述进气口(2.7)与流量气路机构(3)的出气端连接，所述第二堵头(2.5)上设有出气口(2.8)，所述出气口(2.8)与流量气路机构(3)的进气端(3.1)连接。
  7. 根据权利要求1所述的自闭阀智能过流测试设备，其特征在于，所述感应机构(4)为红外线感应装置。
  8. 根据权利要求1所述的自闭阀智能过流测试设备，其特征在于，所述显示机构(5)包括 指示灯(5.1)、操作屏(5.2)和流量显示(5.3)。
  9. 根据权利要求1所述的自闭阀智能过流测试设备，其特征在于，所述控制器还包括设备总开关(6.1)、启动控制按钮(6.2)和急停按钮(6.3)。
PCT/CN2021/102934 2021-06-11 2021-06-29 自闭阀智能过流测试设备 WO2022257199A1 (zh)

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