Performance test system for electric adjusting valve

Abstract

The utility model provides an electric adjusting valve performance test system, and relates to the field of detection equipment. According to the scheme, the device comprises an air supply assembly; the air inlet end of the first four-way electromagnetic valve is connected with the air supply assembly; the air outlet end of the second four-way electromagnetic valve is connected with an air outlet pipeline; the vacuum pump is connected with the outlet pipeline; the first pressure gauge is arranged on the air outlet pipeline; the first measuring pipeline is arranged between the first air outlet end of the first four-way electromagnetic valve and the first air inlet end of the second four-way electromagnetic valve and is provided with a first interface assembly; the second measuring pipeline is arranged between the second air outlet end of the first four-way electromagnetic valve and the second air inlet end of the second four-way electromagnetic valve and is provided with a second interface assembly; and the third measuring pipeline is arranged between the third air outlet end of the first four-way electromagnetic valve and the third air inlet end of the second four-way electromagnetic valve and is provided with a third interface assembly. According to the utility model, the technical problem of low testing efficiency of the electric adjusting valves with various interfaces is solved by controlling the opening and closing of the three different electric adjusting valve interface measuring pipelines in parallel connection.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment field, especially a kind of electric regulating valve performance test system. BACKGROUND

[0002] Electric regulating valve is the key equipment in industrial automation control process, is widely used in electric power, petrochemical, metallurgy, water supply system, heating ventilation air conditioning and multiple industries, and its stability and reliability have important influence on the operating efficiency and safety of system;

[0003] Electric regulating valve changes the cross-sectional area between valve core and valve seat by real-time monitoring input end pressure, thereby adjusting the pressure of output end, realizes the stable output fixed pressure value fluid, by detecting whether the pressure of the output end of the electric regulating valve to be measured is equal to the preset pressure value, the performance of the electric regulating valve to be measured can be tested whether it is qualified;

[0004] Different electric regulating valves adapt to different interfaces, and in the prior art, the interface needs to be replaced repeatedly to adapt to the test work of corresponding electric regulating valve, and each time the system pipeline needs to be re-pumped to vacuum environment with the replacement of electric regulating valve, which undoubtedly reduces the test efficiency and increases the workload, so an electric regulating valve performance test system is urgently needed to solve the technical problem of low test efficiency of electric regulating valves with multiple interfaces. SUMMARY

[0005] The utility model provides an electric regulating valve performance test system, to solve the technical problem of low test efficiency of electric regulating valves with multiple interfaces.

[0006] To solve the above technical problems, the technical scheme of the present application is as follows:

[0007] The utility model provides a kind of electric regulating valve performance test system, comprising:

[0008] Gas supply component;

[0009] First four-way electromagnetic valve, the first four-way electromagnetic valve is equipped with one gas inlet end and three gas outlet ends, the gas inlet end of the first four-way electromagnetic valve is connected with the gas supply component by gas inlet pipeline;

[0010] Second four-way electromagnetic valve, the second four-way electromagnetic valve is equipped with three gas inlet ends and one gas outlet end, the gas outlet end of the second four-way electromagnetic valve is connected with gas outlet pipeline, the first four-way electromagnetic valve and the second four-way electromagnetic valve are electrically connected with controller;

[0011] Vacuum pump, the vacuum pump is connected with the gas outlet end of the gas outlet pipeline;

[0012] First pressure gauge, the first pressure gauge is arranged on the gas outlet pipeline;

[0013] A first measuring pipeline is connected between the first gas outlet end of the first four-way electromagnetic valve and the first gas inlet end of the second four-way electromagnetic valve, and a first interface assembly for connecting an electromagnetic valve with a right-angle type quick connection port is arranged on the first measuring pipeline;

[0014] A second measuring pipeline is connected between the second gas outlet end of the first four-way electromagnetic valve and the second gas inlet end of the second four-way electromagnetic valve, and a second interface assembly for connecting an electromagnetic valve with a straight type quick connection port is arranged on the second measuring pipeline;

[0015] A third measuring pipeline is connected between the third gas outlet end of the first four-way electromagnetic valve and the third gas inlet end of the second four-way electromagnetic valve, and a third interface assembly for connecting an electromagnetic valve with a straight type flange interface is arranged on the third measuring pipeline.

[0016] Optionally, the gas supply assembly further comprises:

[0017] A first feed tank containing pressurized gas, and a gas outlet end of the first feed tank is connected to the gas inlet pipeline;

[0018] A first valve is arranged on the gas inlet pipeline;

[0019] A constant pressure valve is arranged on the gas inlet pipeline, and the constant pressure valve is arranged between the first valve and the first four-way electromagnetic valve, and the first valve and the constant pressure valve are electrically connected to the controller;

[0020] A second pressure gauge is arranged on the gas inlet pipeline, and the second pressure gauge is arranged between the constant pressure valve and the first four-way electromagnetic valve.

[0021] Optionally, the gas supply assembly further comprises:

[0022] A pressure stabilizing tank is connected between the first valve and the constant pressure valve through a first gas inlet pipe and a first gas outlet pipe;

[0023] A second valve is arranged on the first gas inlet pipe, a third valve is arranged on the first gas outlet pipe, and a fourth valve is arranged on the gas inlet pipeline between the first gas inlet pipe and the first gas outlet pipe;

[0024] The second valve, the third valve and the fourth valve are electrically connected to the controller.

[0025] Optionally, the gas supply assembly further comprises:

[0026] a second feed tank, the second feed tank being connected to the gas inlet pipeline through a second gas outlet pipe between the second pressure gauge and the first inlet end of the first four-way electromagnetic valve;

[0027] a fifth valve being arranged on the second gas outlet pipe;

[0028] the fifth valve being electrically connected to the controller.

[0029] optionally, further comprising:

[0030] a recovery tank, the recovery tank being connected to the gas outlet pipeline through a second gas inlet pipe and a third gas outlet pipe after the first pressure gauge;

[0031] a sixth valve being arranged on the second gas inlet pipe, a seventh valve being arranged on the third gas outlet pipe, and an eighth valve being arranged on the gas outlet pipeline between the second gas inlet pipe and the third gas outlet pipe;

[0032] the sixth valve, the seventh valve and the eighth valve being electrically connected to the controller respectively.

[0033] optionally, further comprising:

[0034] an acoustic orifice plate, the acoustic orifice plate being arranged on the gas outlet pipeline, the acoustic orifice plate being arranged between the second gas inlet pipe and the first pressure gauge;

[0035] a third pressure gauge, the third pressure gauge being arranged on the gas outlet pipeline, the third pressure gauge being arranged between the acoustic orifice plate and the second gas inlet pipe.

[0036] optionally, the first measuring pipeline comprises:

[0037] a first interface assembly, the first interface assembly comprising a first right-angle quick connector and a second right-angle quick connector;

[0038] a corrugated hose, an outlet end of the corrugated hose being connected to the first right-angle quick connector;

[0039] a first input pipe, the first input pipe being connected between an inlet end of the corrugated hose and a first outlet end of the first four-way electromagnetic valve;

[0040] a first output pipe, the first output pipe being connected between the second right-angle quick connector and a first inlet end of the second four-way electromagnetic valve.

[0041] optionally, the second measuring pipeline comprises:

[0042] a second interface assembly, the second interface assembly comprising a first linear quick connector and a second linear quick connector;

[0043] Second input pipe, the second input pipe is connected between the first linear quick connector and the second gas outlet end of the first four-way electromagnetic valve, a first expansion joint is installed on the second input pipe;

[0044] Second output pipe, the second output pipe is connected between the second linear quick connector and the third gas inlet end of the second four-way electromagnetic valve.

[0045] Third interface assembly, the third interface assembly includes a first linear flange interface and a second linear flange interface;

[0046] Third input pipe, the third input pipe is connected between the first linear flange interface and the third gas outlet end of the first four-way electromagnetic valve, a second expansion joint is installed on the third input pipe;

[0047] Third output pipe, the third output pipe is connected between the second linear flange interface and the third gas inlet end of the second four-way electromagnetic valve.

[0048] The above scheme of the utility model at least has following beneficial effects:

[0049] The vacuum pump is connected with the gas outlet end of the gas pipeline, so that the rapid flow of pressure gas is realized, the working efficiency of the system is improved, the gas supply assembly is used to provide pressure gas flowing through the test system, the first four-way electromagnetic valve and the second four-way electromagnetic valve can realize the opening and closing of a single or multiple ports under the operation of the controller, the cooperation between the specific ports of the first four-way electromagnetic valve and the second four-way electromagnetic valve is used to determine the flow channel of pressure gas, the stability of the test device is improved, the first pressure gauge is used to obtain the pressure value of the output end of the electric regulating valve, and the conclusion of whether the test is qualified is obtained through value comparison; three measurement pipelines are arranged in parallel, the first interface assembly for connecting the right-angle quick connector is arranged on the first measurement pipeline, the second interface assembly for connecting the linear quick connector is arranged on the second measurement pipeline, and the third interface assembly for connecting the linear flange interface is arranged on the third measurement pipeline; the first interface assembly, the second interface assembly and the third interface assembly arranged in parallel are used to ensure the comprehensiveness of the measurement system; in addition, the three measurement pipelines arranged in parallel can install three sets of electric regulating valves at a time, and after vacuumizing, the measurement test is carried out in sequence, so that the time required for vacuumizing the single pipeline multiple times is saved, and the efficiency of the test work is greatly improved; the utility model opens and closes the pipelines of three different electric regulating valve interfaces in parallel connection, ensures the comprehensiveness of the measurement system, and solves the technical problem of low test efficiency of electric regulating valves with multiple interfaces. BRIEF DESCRIPTION OF DRAWINGS

[0050] Figure 1 is a whole schematic view of an electrically controlled valve performance test system of the utility model;

[0051] Figure 2 is a partial schematic view of a first measuring pipeline of the utility model;

[0052] Figure 3 is a partial schematic view of a second measuring pipeline of the utility model;

[0053] Figure 4 is a partial schematic view of a third measuring pipeline of the utility model.

[0054] Explanation of reference signs:

[0055] 1, first four-way electromagnetic valve; 2, air inlet pipeline; 21, first valve; 22, fourth valve; 3, second four-way electromagnetic valve; 4, air outlet pipeline; 41, first pressure gauge; 42, vacuum pump; 43, eighth valve; 44, sonic orifice plate; 45, third pressure gauge; 5, first measuring pipeline; 51, first right-angle quick connection port; 52, second right-angle quick connection port; 53, corrugated hose; 54, first input pipe; 55, first output pipe; 6, second measuring pipeline; 61, first linear quick connection port; 62, second linear quick connection port; 63, second input pipe; 64, first expansion joint; 65, second output pipe; 7, third measuring pipeline; 71, first linear flange interface; 72, second linear flange interface; 73, third input pipe; 74, second expansion joint; 75, third output pipe; 80, pressure stabilizing tank; 81, first feed tank; 82, constant pressure valve; 821, second pressure gauge; 83, first air inlet pipe; 84, first air outlet pipe; 85, second valve; 86, third valve; 87, second feed tank; 88, second air outlet pipe; 89, fifth valve; 9, recovery tank; 91, second air inlet pipe; 92, third air outlet pipe; 93, sixth valve; 94, seventh valve. DETAILED DESCRIPTION

[0056] Exemplary embodiments of the utility model will be described hereinafter in greater detail with reference to the accompanying drawings. Although the exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the utility model can be more thoroughly understood and the scope of the utility model can be completely conveyed to those skilled in the art.

[0057] As Figures 1-4 shown in the drawings, the embodiment of the utility model proposes an electrically controlled valve performance test system, comprising:

[0058] gas supply assembly;

[0059] A first four-way electromagnetic valve 1 is provided with one inlet and three outlets, and the inlet of the first four-way electromagnetic valve 1 is connected with the gas supply assembly through an inlet pipeline 2;

[0060] A second four-way electromagnetic valve 3 is provided with three inlets and one outlet, and the outlet of the second four-way electromagnetic valve 3 is connected with an outlet pipeline 4, and the first four-way electromagnetic valve 1 and the second four-way electromagnetic valve 3 are electrically connected with a controller;

[0061] A vacuum pump 42 is connected with the outlet of the outlet pipeline 4;

[0062] A first pressure gauge 41 is arranged on the outlet pipeline 4;

[0063] A first measuring pipeline 5 is connected between the first outlet of the first four-way electromagnetic valve 1 and the first inlet of the second four-way electromagnetic valve 3, and a first interface assembly for connecting an electrically-controlled valve with a right-angle quick connection port is arranged on the first measuring pipeline 5;

[0064] A second measuring pipeline 6 is connected between the second outlet of the first four-way electromagnetic valve 1 and the second inlet of the second four-way electromagnetic valve 3, and a second interface assembly for connecting an electrically-controlled valve with a linear quick connection port is arranged on the second measuring pipeline 6;

[0065] A third measuring pipeline 7 is connected between the third outlet of the first four-way electromagnetic valve 1 and the third inlet of the second four-way electromagnetic valve 3, and a third interface assembly for connecting an electrically-controlled valve with a linear flange interface is arranged on the third measuring pipeline 7.

[0066] In the preparation stage, all interfaces of the first four-way electromagnetic valve 1 and the second four-way electromagnetic valve 3 are opened, the vacuum pump 42 is started to vacuumize the inlet pipeline 2, the outlet pipeline 4, the first measuring pipeline 5, the second measuring pipeline 6 and the third measuring pipeline 7 in the system, and then the preset pressure value of the electrically controlled valve to be tested is obtained. The inlet pipeline 2 and the outlet pipeline 4 are kept unblocked, the first measuring pipeline 5, the second measuring pipeline 6 and the third measuring pipeline 6 correspond to the three outlet ends of the first four-way electromagnetic valve 1 and the three inlet ends of the second four-way electromagnetic valve 3 respectively, and the controller controls all ports of the first four-way electromagnetic valve 1 and the second four-way electromagnetic valve 3 to be closed. When the test starts, the gas supply assembly inputs pressure gas into the inlet pipeline 2, the controller opens the inlet end of the first four-way electromagnetic valve 1 and the outlet end of the second four-way electromagnetic valve 3, and according to the applicable interface assembly of the valve to be tested, the outlet end of the first four-way electromagnetic valve 1 and the inlet end of the second four-way electromagnetic valve 3 of the corresponding measuring pipeline are opened, so as to form a test gas channel, gas enters one of the first measuring pipeline 5, the second measuring pipeline 6 and the third measuring pipeline 6 from the inlet end of the first four-way electromagnetic valve 1, and finally enters the outlet pipeline 4 from the outlet end of the second four-way electromagnetic valve 3, and the measured pressure reading is obtained from the first pressure gauge 41. Comparing the measured pressure reading with the preset pressure value can realize the test of the electrically controlled valve to be tested.

[0067] The working principle of the electric regulating valve is that the pressure at the input end is monitored in real time, the cross-sectional area between the valve core and the valve seat is automatically changed, the pressure at the output end is adjusted, the pressure gas with a fixed pressure value is stably output, the vacuum pump 42 is connected with the gas outlet end of the gas pipeline 4, the rapid flow of the pressure gas is realized, and the working efficiency of the system is improved; the gas supply assembly is used to supply the pressure gas flowing through the test system, the first four-way electromagnetic valve 1 and the second four-way electromagnetic valve 3 can be opened and closed under the operation of the controller, the flow channel of the pressure gas is determined through the cooperation between the specific ports of the first four-way electromagnetic valve 1 and the second four-way electromagnetic valve 3, and the stability of the test device is improved; the first pressure gauge 41 is used to obtain the pressure value of the output end of the electric regulating valve to be tested, and a conclusion whether the test is qualified is obtained through value comparison, three measurement pipelines are arranged in parallel, the first interface assembly 51 for connecting the right-angle quick connector is arranged on the first measurement pipeline 5, the second interface assembly 61 for connecting the linear quick connector is arranged on the second measurement pipeline 6, and the third interface assembly 71 for connecting the linear flange connector is arranged on the third measurement pipeline 7, the interface type and the connection mode of the electric regulating valve have a direct influence on the experimental result, correct interface selection and connection mode can ensure accurate control and stable operation of the valve, thereby improving the accuracy of the experiment, if the interface selection is improper or the connection is wrong, the control accuracy may be reduced or even the equipment may be damaged, the first interface assembly 51, the second interface assembly 61 and the third interface assembly 71 arranged in parallel are used to ensure the comprehensiveness of the measurement system, in addition, the three measurement pipelines arranged in parallel can install three sets of electric regulating valves at a time, and after vacuumizing, the measurement test is sequentially carried out, the time required for vacuumizing the single pipeline multiple times is saved, and the test efficiency is greatly improved, therefore, the opening and closing of the pipelines of the three different electric regulating valve interfaces in parallel relationship are controlled, and the technical problem of low test efficiency of the electric regulating valve with multiple interfaces is solved.

[0068] As Figure 1 shown, in an optional embodiment of the utility model, the gas supply assembly further comprises:

[0069] The first supply tank 81 is connected with the gas inlet pipeline 2, and the pressure gas is filled in the first supply tank 81;

[0070] The first valve 21 is arranged on the gas inlet pipeline 2;

[0071] The constant pressure valve 82 is arranged on the gas inlet pipeline 2, and the constant pressure valve 82 is arranged between the first valve 21 and the first four-way electromagnetic valve 1; the first valve 21 and the constant pressure valve 82 are electrically connected with the controller;

[0072] A second pressure gauge 821 is arranged on the air inlet pipe 2, and is arranged between the constant pressure valve 82 and the first four-way electromagnetic valve 1.

[0073] In this embodiment, it is needed to test whether the to-be-tested electric regulating valve can realize stable output pressure under the condition of stable air pressure input. The controller is used to open the first valve 21. The pressure gas in the first feed tank 81 enters the constant pressure valve 82 through the air inlet pipe 2. Under the regulation of the constant pressure valve 82, the pressure gas enters the air inlet end of the first four-way electromagnetic valve 1 at a constant pressure, so as to perform subsequent test operation.

[0074] The first feed tank 81 is used to provide pressure gas, which provides a liquid basis for the test system. The first valve 21 is electrically connected with the controller, which is used to control the opening and closing of the air inlet pipe 2. The constant pressure valve 82 is a tested and qualified electric regulating valve, which is used to realize stable air pressure input in the measuring pipeline, and improves the comprehensiveness of the test system function. The second pressure gauge 821 is arranged between the constant pressure valve 82 and the first four-way electromagnetic valve 1, which is used to measure the output pressure of the constant pressure valve 82. By comparing the measured pressure with the preset pressure, it is judged whether the constant pressure valve 82 is blocked or fails, and the stability of the system is further improved.

[0075] As shown in Figure 1 An optional embodiment of the utility model, the gas supply assembly further comprises:

[0076] The constant pressure tank 80 is connected between the air inlet pipe 2, the first valve 21 and the constant pressure valve 82 through the first air inlet pipe 83 and the first air outlet pipe 84.

[0077] The second valve 85 is arranged on the first air inlet pipe 83, the third valve 86 is arranged on the first air outlet pipe 84, and the fourth valve 22 is arranged on the air inlet pipe 2 between the first air inlet pipe 83 and the first air outlet pipe 84.

[0078] The second valve 85, the third valve 86 and the fourth valve 22 are electrically connected with the controller.

[0079] In the embodiment, the pressure gas stored in the first supply tank 81 can be damaged due to excessive pressure impacting the structure of the constant pressure valve 82, therefore the pressure stabilizing tank 80 is connected between the first valve 21 and the constant pressure valve 82 of the air inlet pipeline 2 through the first air inlet pipe 83 and the first air outlet pipe 84 to increase the gas flow space and reduce the impact on the constant pressure valve 82, the second valve 85 is arranged on the first air inlet pipe 83, the third valve 86 is arranged on the first air outlet pipe 84, the fourth valve 22 is arranged on the air inlet pipeline 2 between the first air inlet pipe 83 and the first air outlet pipe 84, the second valve 85, the third valve 86 and the fourth valve 22 control the opening and closing of the first air outlet pipe 84, the first air outlet pipe 84 and the air inlet pipeline 2 respectively, the second valve 85, the third valve 86 and the fourth valve 22 are electrically connected with the controller, in the normal working state, the controller controls the fourth valve 22 to be opened and the second valve 85 and the third valve 86 to be closed, when the pressure stabilizing tank 80 is needed, the controller controls the fourth valve 22 to be closed and the second valve 85 and the third valve 86 to be opened, the pressure gas enters the constant pressure valve 82 through the pressure stabilizing tank 80, and the impact is relieved, and the safety of the test system is improved.

[0080] As shown in the optional embodiment of the utility model, the gas supply assembly further comprises: Figure 1

[0081] A second supply tank 87 is connected between the air inlet pipeline 2 and the air inlet end of the second pressure gauge 821 and the first four-way electromagnetic valve 1 through a second air outlet pipe 88.

[0082] A fifth valve 89 is arranged on the second air outlet pipe 88.

[0083] The fifth valve 89 is electrically connected with the controller.

[0084] In the embodiment, whether the tested electric regulating valve can realize stable output pressure under the condition of changing air pressure input needs to be tested, the fifth valve 89 is intermittently opened by the controller, the pressure gas in the second supply tank 87 enters the air inlet pipeline 2 through the second air outlet pipe 88, and the pressure gas in the second supply tank 87 and the first supply tank 81 is mixed and enters the air inlet end of the first four-way electromagnetic valve 1 in a variable pressure mode so as to perform subsequent test operation.

[0085] ​The second feed tank 87 is used to provide pressure gas with variable pressure, the fifth valve 89 is electrically connected with the controller, and is used to control the opening and closing of the second gas outlet pipe 88, so that the variable gas pressure input environment in the measuring pipeline is realized, and the comprehensiveness of the test system function is further improved.

[0086] A vacuum pump 42 is connected with the gas outlet end of the gas outlet pipeline 4.

[0087] In the embodiment, the vacuum pump 42 is connected with the gas outlet end of the gas outlet pipeline 4, in the preparation stage, all interfaces of the first four-way electromagnetic valve 1 and the second four-way electromagnetic valve 3 are opened, the vacuum pump 42 is started to vacuumize the gas inlet pipeline 2, the gas outlet pipeline 4, the first measuring pipeline 5, the second measuring pipeline 6 and the third measuring pipeline 7 in the system, so as to realize the rapid flow of pressure gas, and the working efficiency of the system is further improved.

[0088] As shown in Figure 1 An optional embodiment of the utility model further comprises:

[0089] A recovery tank 9 is connected with the gas outlet pipeline 4 after the first pressure gauge 41 through a second gas inlet pipe 91 and a third gas outlet pipe 92.

[0090] A sixth valve 93 is arranged on the second gas inlet pipe 91, a seventh valve 94 is arranged on the third gas outlet pipe 92, and an eighth valve 43 is arranged on the gas outlet pipeline 4 between the second gas inlet pipe 91 and the third gas outlet pipe 92.

[0091] The sixth valve 93, the seventh valve 94 and the eighth valve 43 are electrically connected with the controller respectively.

[0092] In the embodiment, the direct discharge of pressure gas from the gas outlet pipeline 4 will cause resource waste, the recovery tank 9 is connected with the gas outlet pipeline 4 after the gas outlet end of the second four-way electromagnetic valve 3 through the second gas inlet pipe 91 and the third gas outlet pipe 92, so as to recover the pressure gas.

[0093] The sixth valve 93 is arranged on the second air inlet pipe 91, the seventh valve 94 is arranged on the third air outlet pipe 92, and the eighth valve 43 is arranged on the air outlet pipeline 4 between the second air inlet pipe 91 and the third air outlet pipe 92; the sixth valve 93, the seventh valve 94 and the eighth valve 43 are respectively connected with the controller; in the normal working state, the controller controls the eighth valve 43 to be opened and the sixth valve 93 and the seventh valve 94 to be closed; when the recycling tank 9 is needed to be used, the controller controls the eighth valve 43 to be closed and the sixth valve 93 and the seventh valve 94 to be opened, so that the pressure gas output from the air outlet end of the second four-way electromagnetic valve 3 enters the recycling tank 9, the recycling effect is realized, and the economic cost is reduced.

[0094] As shown in Figure 1 , an optional embodiment of the utility model further includes:

[0095] The sound velocity orifice plate 44 is installed on the air outlet pipeline 4, and the sound velocity orifice plate 44 is arranged between the second air inlet pipe 91 and the air outlet end of the first pressure gauge 41.

[0096] The third pressure gauge 45 is arranged on the air outlet pipeline 4, and the third pressure gauge 45 is arranged between the sound velocity orifice plate 44 and the second air inlet pipe 91.

[0097] In the embodiment, the three parallel measurement pipelines are respectively used for testing different types and different specifications of electric valves, the pressure output by various electric valves is different, and the gas with different flow rates is not conducive to the operation of the recycling process; the sound velocity orifice plate 44 is based on the critical flow rate phenomenon in fluid mechanics and is used to unify the gas with different pressures output from the air outlet end of the second four-way electromagnetic valve 3 into a stable flow rate, so that the stability of the recycling stage is further improved; the third pressure gauge 45 is arranged between the sound velocity orifice plate 44 and the second air inlet pipe 91 and is used to measure the output pressure passing through the sound velocity orifice plate 44, so that whether the sound velocity orifice plate 44 is blocked or fails is judged by comparing the measured pressure with the preset pressure, and the stability of the system operation is further improved.

[0098] As shown in Figure 1 and Figure 2 , an optional embodiment of the utility model, the first measurement pipeline 5 includes:

[0099] The first interface assembly includes a first right-angle quick connection port 51 and a second right-angle quick connection port 52.

[0100] a corrugated hose 53, an air outlet end of the corrugated hose 53 being connected with the first right-angle type quick connector 51;

[0101] a first input pipe 54, the first input pipe 54 being connected between an air inlet end of the corrugated hose 53 and a first air outlet end of the first four-way electromagnetic valve 1;

[0102] a first output pipe 55, the first output pipe 55 being connected between the second right-angle type quick connector 52 and a first air inlet end of the second four-way electromagnetic valve 3.

[0103] In the embodiment, when the test of the electrically controlled valve with the right-angle type quick connector needs to be performed, the installation of the electrically controlled valve of this type on the first measuring pipeline 5 can be realized through the first right-angle type quick connector 51 and the second right-angle type quick connector 52, wherein the first right-angle type quick connector 51 and the second right-angle type quick connector 52 are respectively installed at two ends of the electrically controlled valve to be tested, so as to match the most suitable interface to realize the best test effect, and the detachable connection mode of the first right-angle type quick connector 51 and the second right-angle type quick connector 52 with the electrically controlled valve to be tested facilitates flexible disassembly and replacement, and can realize the test work of multiple electrically controlled valves.

[0104] Due to that the first input pipe 54 is connected between the air inlet end of the corrugated hose 53 and the first air outlet end of the first four-way electromagnetic valve 1, the air outlet end of the corrugated hose 53 is connected with the first right-angle type quick connector 51, and the first output pipe 55 is connected between the second right-angle type quick connector 52 and the first air inlet end of the second four-way electromagnetic valve 3, according to the above connection relationship, the movement path of the pressure gas in the first measuring pipeline 5 sequentially passes through the first input pipe 54, the corrugated hose 53, the first right-angle type quick connector 51, the electrically controlled valve to be tested, the second right-angle type quick connector 52, and the first output pipe 55, and finally completes the measurement stage, the close cooperation between each pipeline and the interface further improves the accuracy and stability of the test system work; in addition, the corrugated hose 53 can simultaneously perform bending and elongation work, reduces the connection error and increases the fault tolerance of the structure.

[0105] As shown in Figure 1 and Figure 3 in an optional embodiment of the utility model, the second measuring pipeline 6 comprises:

[0106] a second interface assembly, the second interface assembly comprising a first linear type quick connector 61 and a second linear type quick connector 62;

[0107] A second input pipe 63 is connected between the first linear quick connector 61 and the second gas outlet end of the first four-way electromagnetic valve 1, and a first telescopic joint 64 is installed on the second input pipe 63;

[0108] A second output pipe 65 is connected between the second linear quick connector 62 and the second gas inlet end of the second four-way electromagnetic valve 3.

[0109] In the embodiment, when the measurement of the electrically controlled valve with the linear quick connector is required, the first linear quick connector 61 and the second linear quick connector 62 can be used to install the electrically controlled valve on the second measurement pipeline 6, wherein the first linear quick connector 61 and the second linear quick connector 62 are respectively installed at two ends of the electrically controlled valve to be measured, so as to match the most suitable interface to achieve the best test effect, and the detachable connection of the first linear quick connector 61 and the second linear quick connector 62 with the electrically controlled valve to be measured facilitates flexible disassembly and replacement, and can realize the test work of multiple electrically controlled valves.

[0110] Since the second input pipe 63 is connected between the first linear quick connector 61 and the second gas outlet end of the first four-way electromagnetic valve 1, the first telescopic joint 64 is installed on the second input pipe 63, and the second output pipe 65 is connected between the second linear quick connector 62 and the second gas inlet end of the second four-way electromagnetic valve 3, according to the above connection relationship, the movement path of the pressure gas in the second measurement pipeline 6 sequentially passes through the second input pipe 63, the first telescopic joint 64, the first linear quick connector 61, the electrically controlled valve to be measured, the second linear quick connector 62, and the second output pipe 65, and finally completes the measurement stage, the close cooperation between each pipeline and the interface further improves the accuracy and stability of the test system work; in addition, the first telescopic joint 64 can be elongated to reduce the connection error and increase the fault tolerance of the structure.

[0111] As shown in Figure 1 and Figure 4 In an optional embodiment of the utility model, the third measurement pipeline 7 includes:

[0112] A third interface assembly includes a first linear flange interface 71 and a second linear flange interface 72.

[0113] A third input pipe 73 is connected between the first linear flange interface 71 and the third gas outlet end of the first four-way electromagnetic valve 1, and a second telescopic joint 74 is installed on the third input pipe 73.

[0114] A third output pipe 75 is connected between the second linear flange interface 72 and a third gas inlet end of the second four-way electromagnetic valve 3.

[0115] In this embodiment, when the measurement of the electrically controlled valve with the linear flange interface is needed, the first linear flange interface 71 and the second linear flange interface 72 can be used to install the electrically controlled valve on the third measurement pipeline 7, wherein the first linear flange interface 71 and the second linear flange interface 72 are respectively installed at two ends of the electrically controlled valve to be measured, so as to match the most suitable interface to achieve the best test effect, and the detachable connection of the first linear flange interface 71 and the second linear flange interface 72 with the electrically controlled valve to be measured facilitates flexible disassembly and replacement, and can realize the test work of multiple electrically controlled valves.

[0116] Since the third input pipe 73 is connected between the first linear flange interface 71 and a third gas outlet end of the first four-way electromagnetic valve 1, the second expansion joint 74 is installed on the third input pipe 73, and the third output pipe 75 is connected between the second linear flange interface 72 and the third gas inlet end of the second four-way electromagnetic valve 3; according to the above connection relationship, the movement path of the pressure gas in the third measurement pipeline 7 sequentially passes through the third input pipe 73, the second expansion joint 74, the first linear flange interface 71, the electrically controlled valve to be measured, the second linear flange interface 72, and the third output pipe 75, and finally completes the measurement stage, the close cooperation between each pipeline and interface further improves the accuracy and stability of the test system work; in addition, the second expansion joint 74 can be elongated to reduce the connection error and increase the fault tolerance of the structure.

[0117] The utility model discloses the opening and closing of the measurement pipeline of three different electrically controlled valve interfaces in parallel relationship, which guarantees the comprehensiveness of the measurement system and solves the technical problem of low test efficiency of various interfaces of electrically controlled valves.

[0118] The above is the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principles of the utility model, and these improvements and refinements should also be regarded as the protection scope of the utility model.

Claims

1. An electrically adjustable valve performance testing system, characterized in that, The utility model relates to a kind of gas supply components, including: First four-way solenoid valve (1), the first four-way solenoid valve (1) is equipped with one intake end and three gas outlet ends, the intake end of the first four-way solenoid valve (1) is connected with the gas supply component by intake pipeline (2); Second four-way solenoid valve (3), the second four-way solenoid valve (3) is equipped with three intake ends and one gas outlet end, the gas outlet end of the second four-way solenoid valve (3) is connected with gas outlet pipeline (4), the first four-way solenoid valve (1) and the second four-way solenoid valve (3) are electrically connected with controller; Vacuum pump (42), the vacuum pump (42) is connected with the gas outlet end of the gas outlet pipeline (4); First pressure gauge (41), the first pressure gauge (41) is arranged on the gas outlet pipeline (4); First measuring pipeline (5), the first measuring pipeline (5) is connected between the first gas outlet end of the first four-way solenoid valve (1) and the first intake end of the second four-way solenoid valve (3), and first interface assembly for connecting electrically controlled valve with right-angle type quick connection port is arranged on first measuring pipeline (5); Second measuring pipeline (6), the second measuring pipeline (6) is connected between the second gas outlet end of the first four-way solenoid valve (1) and the second intake end of the second four-way solenoid valve (3), and second interface assembly for connecting electrically controlled valve with linear type quick connection port is arranged on second measuring pipeline (6); Third measuring pipeline (7), the third measuring pipeline (7) is connected between the third gas outlet end of the first four-way solenoid valve (1) and the third intake end of the second four-way solenoid valve (3), and third interface assembly for connecting electrically controlled valve with linear type flange interface is arranged on third measuring pipeline (7); Wherein, the first measuring pipeline (5) includes: First interface assembly, the first interface assembly includes first right-angle type quick connection port (51) and second right-angle type quick connection port (52); Corrugated hose (53), the gas outlet end of the corrugated hose (53) is connected with the first right-angle type quick connection port (51); First input pipe (54), first input pipe (54) is connected between the intake end of the corrugated hose (53) and the first gas outlet end of the first four-way solenoid valve (1); First output pipe (55), the first output pipe (55) is connected between the second right-angle type quick connection port (52) and the first intake end of the second four-way solenoid valve (3); Wherein, the second measuring pipeline (6) includes: Second interface assembly, the second interface assembly includes first linear type quick connection port (61) and second linear type quick connection port (62); Second input pipe (63), the second input pipe (63) is connected between the first linear type quick connection port (61) and the second gas outlet end of the first four-way solenoid valve (1), and first expansion joint (64) is installed on the second input pipe (63); Second output pipe (65), the second output pipe (65) is connected between the second linear type quick connection port (62) and the second intake end of the second four-way solenoid valve (3); ​ The third measuring pipeline (7) comprises: The third interface assembly comprises a first linear flange interface (71) and a second linear flange interface (72); A third input pipe (73) is connected between the first linear flange interface (71) and the third gas outlet end of the first four-way electromagnetic valve (1), and a second expansion joint (74) is installed on the third input pipe (73); A third output pipe (75) is connected between the second linear flange interface (72) and the third gas inlet end of the second four-way electromagnetic valve (3).

2. The electrically tuned valve performance test system of claim 1, wherein, The gas supply assembly comprises: A first feed tank (81) containing pressure gas, and a gas outlet end of the first feed tank (81) is connected with the gas inlet pipeline (2); A first valve (21) is arranged on the gas inlet pipeline (2); A constant pressure valve (82) is arranged on the gas inlet pipeline (2), and the constant pressure valve (82) is arranged between the first valve (21) and the first four-way electromagnetic valve (1), and the first valve (21) and the constant pressure valve (82) are electrically connected with the controller; A second pressure gauge (821) is arranged on the gas inlet pipeline (2), and the second pressure gauge (821) is arranged between the constant pressure valve (82) and the first four-way electromagnetic valve (1).

3. The electrically adjustable valve performance test system of claim 2, wherein, The gas supply assembly further comprises: A pressure stabilizing tank (80) is connected between the first valve (21) and the constant pressure valve (82) through a first gas inlet pipe (83) and a first gas outlet pipe (84); A second valve (85) is arranged on the first gas inlet pipe (83), a third valve (86) is arranged on the first gas outlet pipe (84), and a fourth valve (22) is arranged on the gas inlet pipeline (2) between the first gas inlet pipe (83) and the first gas outlet pipe (84); The second valve (85), the third valve (86) and the fourth valve (22) are electrically connected with the controller.

4. The electrically adjustable valve performance test system of claim 2, wherein, The gas supply assembly further comprises: A second feed tank (87) is connected between the second pressure gauge (821) and the gas inlet end of the first four-way electromagnetic valve (1) through a second gas outlet pipe (88); A fifth valve (89) is arranged on the second gas outlet pipe (88); and the fifth valve (89) is electrically connected with the controller.

5. The electrically adjustable valve performance test system of claim 1, wherein, Further comprising: A recovery tank (9) is connected between the gas outlet pipeline (4) and the first pressure gauge (41) through a second gas inlet pipe (91) and a third gas outlet pipe (92); A sixth valve (93) is arranged on the second gas inlet pipe (91), a seventh valve (94) is arranged on the third gas outlet pipe (92), and an eighth valve (43) is arranged on the gas outlet pipeline (4) between the second gas inlet pipe (91) and the third gas outlet pipe (92); The sixth valve (93), the seventh valve (94) and the eighth valve (43) are electrically connected with the controller.

6. The electrically tuned valve performance test system of claim 5, wherein, Also comprising: A sonic orifice plate (44) is installed on the air outlet pipeline (4), and the sonic orifice plate (44) is arranged between the second air inlet pipe (91) and the first pressure gauge (41); A third pressure gauge (45) is arranged on the air outlet pipeline (4), and the third pressure gauge (45) is arranged between the sonic orifice plate (44) and the second air inlet pipe (91).

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