Detection device for pile-up valve and fluid valve

Abstract

The invention relates to a device for detecting an integrated valve and a fluid valve, and the device comprises a gas drive unit, a water pressure testing unit, an oil pressure testing unit, a first oil return path, and an electric control unit. The water pressure testing unit is used for pumping water in the water tank to a first water pressure path and a second water pressure path under the driving of the gas driving unit, and the first water pressure path and the second water pressure path are connected with two fluid interfaces of the fluid valve tool respectively; the oil pressure testing unit is used for pumping hydraulic oil in an oil tank to an oil inlet path, a first pilot oil path and a second pilot oil path under driving of the gas driving unit, the oil inlet path is connected with an inlet of the pile-up valve tool, and the first pilot oil path and the second pilot oil path communicate with two control ports of the fluid valve tool correspondingly. The first oil return way is used for being connected with an output oil port of the pile-up valve tool. The device can be used for detecting the pile-up valve and the fluid valve at the same time, and the detection process is safe and reliable.

Description

Technical Field

[0001] This invention belongs to the field of testing equipment technology, and specifically relates to a testing device for integrated valves and fluid valves. Background Technology

[0002] With the mass production of integrated valves and fluid valves, key components of the EFDT logging instrument, the testing volume of such accessories has increased, especially in maintenance operations, which places higher demands on valve testing.

[0003] Testing integrated valves and fluid valves has many drawbacks. Currently, they can only be tested manually by operators, requiring the sequential preparation of multiple components such as DC power supply, power cord, tooling, vise, hand-operated hydraulic trolley, air-driven water pump, and protective steel plate. The pressure testing and disassembly / assembly process is cumbersome and time-consuming. For example, integrated valves with a check valve on the output side cannot be depressurized normally, and for safety reasons, these integrated valves cannot be tested independently. Secondly, in the current manual testing process, the combination of many components creates a relatively open environment, which poses many safety hazards, increases the probability of failure, reduces testing efficiency to some extent, and makes it impossible to accurately control the quality of components.

[0004] Existing testing fixtures cannot simultaneously test two types of valve bodies. Hydraulic gauges have low accuracy and poor safety features, failing to meet the performance requirements of current digital measurement, storage, and analysis equipment, and are no longer suitable for the high-efficiency testing of new valve bodies. To overcome the shortcomings of existing equipment, there is an urgent need for a testing device that integrates valve and fluid valve testing to improve testing effectiveness. Summary of the Invention

[0005] In order to solve all or some of the above problems, the present invention aims to provide a detection device for integrated valves and fluid valves, which can be used to detect integrated valves and fluid valves simultaneously.

[0006] According to one aspect of the present invention, a detection device for an integrated valve and a fluid valve is provided, comprising: a pneumatically driven unit; A water pressure testing unit is used to pump water from the water tank to water pressure line one and water pressure line two under the drive of the air drive unit. Water pressure line one is connected to one fluid interface of the fluid valve fixture, and water pressure line two is connected to the other fluid interface of the fluid valve fixture. The fluid valve to be tested is installed in the fluid valve fixture. The hydraulic pressure testing unit is used to pump the hydraulic oil in the oil tank to the main oil circuit under the drive of the air drive unit. The main oil circuit is connected to the oil inlet circuit, pilot oil line 1, and pilot oil line 2. The oil inlet circuit is connected to the inlet of the integrated valve fixture. The integrated valve to be tested is set in the integrated valve fixture. Pilot oil line 1 is connected to one of the control ports of the fluid valve fixture, and pilot oil line 2 is connected to the other control port of the fluid valve fixture. The first return oil circuit is used to connect to the output port of the integrated valve tooling; and An electronic control unit is used to control the air drive unit, the water pressure testing unit, and the air drive testing unit.

[0007] Furthermore, the air-driven unit includes an air-driven pipeline, the water pressure testing unit includes an air-driven water pump, and the oil pressure testing unit includes an air-driven oil pump. The air-driven pipeline is connected to one end of the first filter, and the other end of the first filter is connected to the first port of the air-driven water pump, the inlet of the first air-driven solenoid valve, the inlet of the second air-driven solenoid valve, and the inlet of the check valve. The outlet of the first air-driven solenoid valve is connected to the second port of the air-driven water pump, and the outlet of the check valve is connected to the inlets of the third, fourth, fifth, and sixth air-driven solenoid valves. The outlet of the solenoid valve is connected to the control terminal of the first air-driven isolation valve, which is located on the water pressure line. The outlet of the fourth air-driven solenoid valve is connected to the control terminal of the second air-driven isolation valve, which is located on the water pressure line. The outlet of the fifth air-driven solenoid valve is connected to the control terminal of the third air-driven isolation valve, which is located on the main oil line. The outlet of the sixth air-driven solenoid valve is connected to the control terminal of the fourth air-driven isolation valve, which is located on the first return oil line. The outlet of the second air-driven solenoid valve is connected to the first port of the air-driven oil pump.

[0008] Furthermore, the water pressure path between one fluid interface of the first air-driven isolation valve and the fluid valve fixture is connected to the inlet of the fifth air-driven isolation valve; the water pressure path between the other fluid interface of the second air-driven isolation valve and the fluid valve fixture is connected to the inlet of the sixth air-driven isolation valve; the outlets of the fifth and sixth air-driven isolation valves are both connected to the water tank; the outlet of the check valve is also connected to the inlet of the seventh and eighth air-driven solenoid valves; the outlet of the seventh air-driven solenoid valve is connected to the control terminal of the fifth air-driven isolation valve; and the outlet of the eighth air-driven solenoid valve is connected to the control terminal of the sixth air-driven isolation valve.

[0009] Furthermore, a first throttle valve is provided between the outlet of the third pneumatic solenoid valve and the control terminal of the first pneumatic isolation valve; a second throttle valve is provided between the outlet of the fourth pneumatic solenoid valve and the control terminal of the second pneumatic isolation valve; a third throttle valve is provided between the outlet of the seventh pneumatic solenoid valve and the control terminal of the fifth pneumatic isolation valve; a fourth throttle valve is provided between the outlet of the eighth pneumatic solenoid valve and the control terminal of the sixth pneumatic isolation valve; a fifth throttle valve is provided between the outlet of the fifth pneumatic solenoid valve and the control terminal of the third pneumatic isolation valve; and a sixth throttle valve is provided between the outlet of the sixth pneumatic solenoid valve and the control terminal of the fourth pneumatic isolation valve.

[0010] Furthermore, it also includes a second return oil circuit and a third return oil circuit, both of which are used to connect to the output port of the integrated valve tooling. The outlet of the one-way valve is also connected to the inlet of the seventh pneumatic solenoid valve and the inlet of the eighth pneumatic solenoid valve. The outlet of the seventh pneumatic solenoid valve is connected to the control end of the fifth pneumatic isolation valve, which is located on the second return oil circuit. The outlet of the eighth pneumatic solenoid valve is connected to the control end of the sixth pneumatic isolation valve, which is located on the third return oil circuit. A seventh throttle valve is provided between the outlet of the seventh pneumatic solenoid valve and the control end of the fifth pneumatic isolation valve, and an eighth throttle valve is provided between the outlet of the eighth pneumatic solenoid valve and the control end of the sixth pneumatic isolation valve.

[0011] Furthermore, a first pressure gauge and a first pressure sensor are provided on the first return oil line, a second pressure gauge and a second pressure sensor are provided on the second return oil line, and a third pressure gauge and a first pressure sensor are provided on the third return oil line; one end of the first return oil line, one end of the second return oil line, and one end of the third return oil line are all used to connect to the output oil port of the integrated valve tooling, and the other ends of the first return oil line, the second return oil line, and the third return oil line are all connected to the oil tank through a second filter.

[0012] Furthermore, the system also includes a test chamber, within which integrated valve fixtures and fluid valve fixtures are housed. The test chamber is equipped with a first interface and a second interface. The first interface is connected to one end of the first water pressure line, and the second interface is connected to one end of the second water pressure line. The first interface is used to connect to one fluid interface of the fluid valve fixture, and the second interface is used to connect to the other fluid interface of the fluid valve fixture. The test chamber is also equipped with a third interface and a fourth interface. The third interface is connected to one end of the first pilot oil line, and the fourth interface is connected to one end of the second pilot oil line. The third interface is used to connect to... One control port of the fluid valve fixture is connected, and the fourth interface is used to connect to the other control port of the fluid valve fixture; the test chamber is provided with a fifth interface, which is connected to one end of the oil inlet circuit and is used to connect to the inlet of the integrated valve fixture; the test chamber is provided with a sixth, a seventh, and an eighth interface, the sixth interface is connected to one end of the first return oil circuit, the seventh interface is connected to one end of the second return oil circuit, and the eighth interface is connected to one end of the third return oil circuit, and the sixth, seventh, and eighth interfaces are all used to connect to the output port of the integrated valve fixture.

[0013] Furthermore, it also includes a test cabinet formed by several storage cabinets. The air-driven unit, water pressure test unit, test chamber, and oil pressure test unit control unit are all installed in the corresponding storage cabinets. Each storage cabinet is provided with a drain port connected to the drain pipeline and an air drive inlet connected to the air-driven unit. The test chamber is connected to a drain pipeline, which is equipped with a fifth filter and an emergency stop switch. The test chamber also has an oil return port connected to the oil tank.

[0014] Furthermore, the water tank is connected to the third port of the air-driven water pump, and a first switching valve and a third filter are installed on the pipeline between the water tank and the third port of the air-driven water pump; the fourth port of the air-driven water pump is connected to one end of the water pipeline, and the other end of the water pipeline is connected to one end of the first water pressure line and one end of the second water pressure line; a valve body is connected between the water pipeline and the water tank.

[0015] Furthermore, the oil tank is connected to the second port of the air-driven oil pump, and a second switching valve and a fourth filter are installed on the pipeline between the oil tank and the second port of the air-driven oil pump; the third port of the air-driven oil pump is connected to one end of the main oil circuit, and the other end of the main oil circuit is connected to the oil inlet circuit, the first pilot oil circuit, and the second pilot oil circuit; the main oil circuit is also equipped with a first accumulator, a third pressure gauge, a manual pressure reducing valve, a fourth pressure gauge, and a third pressure sensor.

[0016] Furthermore, a first pressure gauge and a first pressure sensor are installed on the first water pressure line, and a second pressure gauge and a second pressure sensor are installed on the second water pressure line; a first two-position three-way solenoid valve is installed on the first pilot oil line, a second two-position three-way solenoid valve is installed on the second pilot oil line, the other end of the main oil line is also connected to a reserved oil line, a third two-position three-way solenoid valve is installed on the reserved oil line, and a fourth two-position three-way solenoid valve is installed on the oil inlet line. Furthermore, the oil tank is equipped with a second level switch, a second breather valve, and a second level gauge, and the oil tank is connected to an oil drain valve; the water tank is equipped with a first level switch, a first breather valve, and a first level gauge, and the water tank is connected to a drain valve.

[0017] As can be seen from the above technical solution, the detection device for integrated valves and fluid valves provided by the present invention has the following beneficial effects: The detection device of this invention can be used to simultaneously detect integrated valves and fluid valves, and has the advantage of multi-media high-pressure integration. It is gas-driven, supports 3 oil pressure channels and 2 water pressure channels, with oil pressure up to 5000 psi and water pressure up to 16000 psi. This invention adopts closed-loop precise control, and through real-time feedback from pressure sensors and dynamic adjustment of hydraulic source output, it can achieve a pressure control accuracy of ±0.5%FS. The fluid valve fixture and integrated valve fixture of this invention are both set in the test chamber, and the test chamber can only be sealed before testing, thereby avoiding accidental splashing of high-pressure fluid. The embodiments of this invention can realize emergency stop and pressure relief in abnormal situations. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of a detection device for an integrated valve and a fluid valve according to an embodiment of the present invention; Figure 2 This is a schematic diagram of a detection device for an integrated valve and a fluid valve according to an embodiment of the present invention; Figure 3 This is a side view of a detection device for an integrated valve and a fluid valve according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the test chamber portion of an integrated valve and fluid valve testing device according to an embodiment of the present invention. Detailed Implementation

[0019] To better understand the purpose, structure, and function of this invention, the following detailed description of an integrated valve and fluid valve detection device of this invention is provided in conjunction with the accompanying drawings.

[0020] like Figure 1The diagram illustrates a testing device for an integrated valve and a fluid valve according to an embodiment of the present invention. It includes a pneumatic drive unit, a water pressure testing unit, an oil pressure testing unit, a first return oil circuit, and an electronic control unit. The pneumatic drive unit drives the water pressure testing unit and the oil pressure testing unit. The water pressure testing unit, driven by the pneumatic drive unit, pumps water from a water tank 03 to water pressure line 1 071 and water pressure line 2 072. Water pressure line 1 071 is connected to one fluid interface of a fluid valve fixture 05. The fluid valve to be tested is installed inside the fluid valve fixture 05. Water pressure line 2 072 is connected to the other fluid interface of the fluid valve fixture 05. The fluid interface is connected to the hydraulic pressure test unit, which is used to pump the hydraulic oil in the oil tank 04 to the main oil circuit 08 under the drive of the air drive unit. The main oil circuit 08 is connected to the oil inlet circuit 091, the pilot oil first circuit 092 and the pilot oil second circuit 093. The oil inlet circuit 091 is connected to the inlet of the integrated valve fixture. The pilot oil first circuit 092 is connected to one of the control ports of the fluid valve fixture. The pilot oil second circuit 093 is connected to the other control port of the fluid valve fixture. The first return oil circuit 021 is used to connect to the output oil port of the integrated valve fixture. The electrical control unit is used to control the air drive unit, the hydraulic pressure test unit and the air drive test unit.

[0021] In specific testing, for fluid valves, the two fluid inlets and two control ports of the fluid valve are connected to the testing device of this embodiment. The electronic control unit controls the pneumatic drive unit, which in turn drives the hydraulic pressure testing unit to adjust the state of the fluid valve. The pneumatic drive unit then drives the hydraulic pressure testing unit to pressurize the fluid valve, thereby detecting whether the state of the fluid valve has changed and testing the pressure-holding performance of the fluid valve. For integrated valves, the integrated valve is connected to the testing device of this embodiment. The electronic control unit controls the pneumatic drive unit, which in turn drives the hydraulic pressure testing unit to pressurize the integrated valve, thereby detecting pressure changes and judging the performance of the integrated valve based on the pressure changes.

[0022] The air-driven unit includes an air-driven pipeline, the water pressure testing unit includes an air-driven water pump 14, and the oil pressure testing unit includes an air-driven oil pump 23. The air-driven pipeline is connected to one end of the first filter 1. The other end of the first filter 1 is connected to the first port 141 of the air-driven water pump 14, the inlet of the first air-driven solenoid valve 51, the inlet of the second air-driven solenoid valve 10, and the inlet of the one-way valve 7. The outlet of the first air-driven solenoid valve 51 is connected to the second port 142 of the air-driven water pump 14. The outlet of the one-way valve 7 is connected to the inlet of the third air-driven solenoid valve 52, the inlet of the fourth air-driven solenoid valve 53, the inlet of the fifth air-driven solenoid valve 56, and the inlet of the sixth air-driven solenoid valve 57. The third air-driven solenoid valve 52... The outlet of the fourth air-driven solenoid valve 53 is connected to the control terminal of the first air-driven isolation valve 161, which is located on the first water pressure circuit 071. The outlet of the fifth air-driven solenoid valve 56 is connected to the control terminal of the third air-driven isolation valve 171, which is located on the main oil circuit. The outlet of the sixth air-driven solenoid valve 57 is connected to the control terminal of the fourth air-driven isolation valve 172, which is located on the first return oil circuit 021. The outlet of the second air-driven solenoid valve 10 is connected to the first port 231 of the air-driven oil pump.

[0023] The first filter 1 is used to filter gas. A first pressure reducing valve 2 and a fifth pressure gauge 3 are installed on the pipeline between the first filter 1 and the first port 141 of the air-driven water pump 14. A second pressure reducing valve 82 is installed on the pipeline between the first filter 1 and the second air-driven solenoid valve 10. The outlet of the one-way valve 7 is connected to the inlet of the third pressure reducing valve 81. The outlet of the third pressure reducing valve 81 is also connected to the second accumulator 9. The pipeline downstream of the second accumulator 9 is connected to the inlet of the third air-driven solenoid valve 52, the inlet of the fourth air-driven solenoid valve 53, the inlet of the fifth air-driven solenoid valve 56, and the inlet of the sixth air-driven solenoid valve 57.

[0024] Here, the gas in the pneumatic pipeline is filtered by the first filter 1 and then divided into four paths. The first path passes through the first pressure reducing valve 2 and acts on the first port 141 of the pneumatic water pump 14. The second path passes through the first pneumatic solenoid valve 51 and acts on the second port 142 of the pneumatic water pump 14. The third path passes through the second pressure reducing valve 82 and the second pneumatic solenoid valve 10 and acts on the first port 231 of the pneumatic oil pump. The fourth path passes through the check valve 7 and the third pressure reducing valve 81 and then acts on the third pneumatic solenoid valve 52, the fourth pneumatic solenoid valve 53, the fifth pneumatic solenoid valve 56, and the sixth pneumatic solenoid valve 57, respectively. Among them, the first pneumatic solenoid valve 51, the second pneumatic solenoid valve 10, the third pneumatic solenoid valve 52, the fourth pneumatic solenoid valve 53, the fifth pneumatic solenoid valve 56, and the sixth pneumatic solenoid valve 57 are all controlled by the electronic control unit.

[0025] Secondly, taking the third air-driven solenoid valve 52 as an example, after the third air-driven solenoid valve 52 is switched to the conducting state with the inlet and outlet connected under the control of the electronic control unit, the gas in the air-driven pipeline can act on the first air-driven isolation valve 161 through the third air-driven solenoid valve 52, thereby causing the first air-driven isolation valve 161 to change its state, for example, from the conducting state to the non-conducting state, which will change the state of the water pressure channel 071 where the first air-driven isolation valve 161 is located.

[0026] Specifically, water pressure path 071 between the first pneumatic isolation valve 161 and one of the fluid interfaces of the fluid valve fixture is connected to the inlet of the fifth pneumatic isolation valve 163; water pressure path 072 between the second pneumatic isolation valve 162 and the other fluid interface of the fluid valve fixture is connected to the inlet of the sixth pneumatic isolation valve 164; the outlets of both the fifth and sixth pneumatic isolation valves 163 and 164 are connected to the water tank 03; the outlet of the check valve 7 is also connected to the inlet of the seventh pneumatic solenoid valve 54 and the inlet of the eighth pneumatic solenoid valve 55; the outlet of the seventh pneumatic solenoid valve 54 is connected to the control terminal of the fifth pneumatic isolation valve 163; and the outlet of the eighth pneumatic solenoid valve 55 is connected to the control terminal of the sixth pneumatic isolation valve 164.

[0027] In this embodiment, the seventh pneumatic solenoid valve 54 and the eighth pneumatic solenoid valve 55 are also controlled by the electronic control unit. The change in the state of the seventh pneumatic solenoid valve 54 will correspondingly change the state of the fifth pneumatic isolation valve 163, and the change in the state of the eighth pneumatic solenoid valve 55 will correspondingly change the state of the sixth pneumatic isolation valve 164. The outlet of the fifth pneumatic isolation valve 163 and the outlet of the sixth pneumatic isolation valve 164 are connected to the water tank. A sixth filter 132 is installed on the pipeline between the water tank 03 and the connection point between the outlet of the fifth pneumatic isolation valve 163 and the outlet of the sixth pneumatic isolation valve 164.

[0028] Specifically, a first throttle valve 111 is provided between the outlet of the third pneumatic solenoid valve 52 and the control end of the first pneumatic isolation valve 161; a second throttle valve 112 is provided between the outlet of the fourth pneumatic solenoid valve 53 and the control end of the second pneumatic isolation valve 162; a third throttle valve 113 is provided between the outlet of the seventh pneumatic solenoid valve 54 and the control end of the fifth pneumatic isolation valve 163; a fourth throttle valve 114 is provided between the outlet of the eighth pneumatic solenoid valve 55 and the control end of the sixth pneumatic isolation valve 164; a fifth throttle valve 115 is provided between the outlet of the fifth pneumatic solenoid valve 56 and the control end of the third pneumatic isolation valve 171; and a sixth throttle valve 116 is provided between the outlet of the sixth pneumatic solenoid valve 57 and the control end of the fourth pneumatic isolation valve 172.

[0029] The foregoing described the case with one return oil path, namely the first return oil path 021. To test the integrated valve with multiple interfaces, this embodiment also includes a second return oil path 022 and a third return oil path 023. Both the second and third return oil paths 022 and 023 are used to connect to the output port of the integrated valve tooling. The outlet of the one-way valve 7 is also connected to the inlet of the seventh pneumatic solenoid valve 58 and the inlet of the eighth pneumatic solenoid valve 59. The outlet of the seventh pneumatic solenoid valve 58 is connected to the outlet of the fifth pneumatic isolation valve 173. The control terminal is connected, the fifth air-driven isolation valve 173 is set on the second return oil circuit 022, the outlet of the eighth air-driven solenoid valve 59 is connected to the control terminal of the sixth air-driven isolation valve 174, and the sixth air-driven isolation valve 174 is set on the third return oil circuit 023; a seventh throttle valve 117 is set between the outlet of the seventh air-driven solenoid valve 58 and the control terminal of the fifth air-driven isolation valve 173, and an eighth throttle valve 118 is set between the outlet of the eighth air-driven solenoid valve 59 and the control terminal of the sixth air-driven isolation valve 174.

[0030] The first return oil circuit 021 is equipped with a first pressure gauge 291 and a first pressure sensor 302; the second return oil circuit 022 is equipped with a second pressure gauge 292 and a second pressure sensor 303; and the third return oil circuit 023 is equipped with a third pressure gauge 293 and a first pressure sensor 304. One end of the first return oil circuit 021, one end of the second return oil circuit 022, and one end of the third return oil circuit 023 are all used to connect to the output port of the integrated valve tooling. The other ends of the first return oil circuit 021, the second return oil circuit 022, and the third return oil circuit 023 are all connected to the oil tank 04 through the second filter 134.

[0031] The first pressure gauge 291, first pressure sensor 302, second pressure gauge 292, second pressure sensor 303, third pressure gauge 293, and first pressure sensor 304 are all used to measure the pressure of their respective pipelines. The second filter 134 is used to filter the oil entering the oil tank 04. The main oil circuit 08 is also connected to the oil tank 04 via a third switching valve 32, which is used to unload the main oil circuit in an emergency.

[0032] Among them, such as Figure 4As shown, it also includes a test chamber 06, in which both the integrated valve fixture and the fluid valve fixture are installed. The test chamber is equipped with a first interface 061 and a second interface 062. The first interface 061 is connected to one end of water pressure line 071, and the second interface 062 is connected to one end of water pressure line 072. The first interface 061 is used to connect to one fluid interface of the fluid valve fixture, and the second interface 062 is used to connect to the other fluid interface of the fluid valve fixture. The test chamber is also equipped with a third interface 063 and a fourth interface 064. The third interface 063 is connected to one end of pilot oil line 092, and the fourth interface 064 is connected to one end of pilot oil line 093. The third interface 063 is used to connect to the fluid valve fixture. One of the control ports is connected, and the fourth interface 064 is used to connect to the other control port of the fluid valve tooling; the test chamber is provided with a fifth interface 065, which is connected to one end of the oil inlet circuit 091 and is used to connect to the inlet of the integrated valve tooling; the test chamber is provided with a sixth interface 066, a seventh interface 067 and an eighth interface 068, the sixth interface is connected to one end of the first return oil circuit 021, the seventh interface is connected to one end of the second return oil circuit 022, and the eighth interface is connected to one end of the third return oil circuit 023. The sixth, seventh and eighth interfaces are all used to connect to the output oil port of the integrated valve tooling; the test chamber also has a return oil port 060, which is connected to the oil tank 04.

[0033] The test chamber in this embodiment of the invention is designed to house fluid valve fixtures and integrated valve fixtures, thereby providing safety protection. Before testing, the corresponding interfaces of the fluid valves and integrated valves are connected to the interfaces of the test chamber, and then the test chamber is closed for testing.

[0034] Among them, such as Figure 2 , Figure 3 As shown, it also includes a test cabinet 001 formed by several storage cabinets 002. The air-driven unit, water pressure test unit and oil pressure test unit are all set in one of the storage cabinets. The test chamber is set in another storage cabinet. The test chamber is connected to a drain line. A fifth filter 135 and an emergency stop switch 123 are set on the drain line. The storage cabinet is provided with a drain port 003 connected to the drain line. The storage cabinet is provided with an air-driven inlet 004 connected to the air-driven unit.

[0035] The test cabinet in this embodiment is designed to house all components, ensuring the safety of the testing process. The pneumatic drive unit, hydraulic pressure test unit, oil pressure test unit, and electrical control unit can be housed in their respective storage compartments within the test cabinet as needed. The drain port 003 is used to drain liquid from the test chamber, and the pneumatic drive inlet 004 is used to supply gas to the pneumatic drive unit. Casters can also be installed at the bottom of the test cabinet 001 to facilitate its movement.

[0036] The water tank 03 is connected to the third port 143 of the air-driven water pump 14. A first switch valve 121 and a third filter 131 are installed on the pipeline between the water tank 03 and the third port 143 of the air-driven water pump 14. The fourth port 144 of the air-driven water pump 14 is connected to one end of the water pipeline. The other end of the water pipeline is connected to one end of the first water pressure line 071 and one end of the second water pressure line 072. A valve body 15 is connected between the water pipeline and the water tank 03.

[0037] The oil tank 04 is connected to the second port 232 of the air-driven oil pump 23. A second switching valve 122 and a fourth filter 133 are installed on the pipeline between the oil tank 04 and the second port 232 of the air-driven oil pump 23. The third port 233 of the air-driven oil pump 23 is connected to one end of the main oil circuit. The other end of the main oil circuit is connected to the oil inlet circuit 091, the first pilot oil circuit 092 and the second pilot oil circuit 093. An accumulator 24, a third pressure gauge 26, a manual pressure reducing valve 28, a fourth pressure gauge 33 and a third pressure sensor 301 are also installed on the main oil circuit.

[0038] Here, the second switching valve 122 is used to control the opening or closing of its pipeline, and the fourth filter 133 is used to filter the liquid in its pipeline. The accumulator 24 is used to store energy, the third pressure gauge 26 is used to measure the pressure of the main oil circuit before passing through the manual pressure reducing valve 28, the manual pressure reducing valve 28 is used to manually reduce the pressure of the main oil circuit when the pressure measured by the third pressure gauge 26 is too high, and the fourth pressure gauge 33 and the third pressure sensor 301 are used to measure the pressure of the main oil circuit after passing through the manual pressure reducing valve 28.

[0039] The water pressure line 071 is equipped with a first pressure gauge 181 and a first pressure sensor 191, and the water pressure line 072 is equipped with a second pressure gauge 182 and a second pressure sensor 192. The pilot oil line 092 is equipped with a first two-position three-way solenoid valve 311, the pilot oil line 093 is equipped with a second two-position three-way solenoid valve 312, and the other end of the main oil line is connected to the reserved oil line 094. The reserved oil line is equipped with a third two-position three-way solenoid valve 313, and the inlet oil line 091 is equipped with a fourth two-position three-way solenoid valve 314. The test chamber is also equipped with a ninth interface 069 connected to the reserved oil line.

[0040] Here, the first pressure gauge 181, the first pressure sensor 191, the second pressure gauge 182, and the second pressure sensor 192 are used to measure the pressure of their respective pipelines. The first two-position three-way solenoid valve 311, the second two-position three-way solenoid valve 312, the third two-position three-way solenoid valve 313, and the fourth two-position three-way solenoid valve 314 are used to open and close the pipeline where the controller is located.

[0041] The oil tank 04 is equipped with a second level switch 202, a second breather valve 212, and a second level gauge 222, and is connected to an oil drain valve 125; the water tank 03 is equipped with a first level switch 201, a first breather valve 211, and a first level gauge 221, and is connected to a drain valve 124.

[0042] In this embodiment, the second level gauge 222 is used to measure the liquid level in the oil tank 04, and the drain valve is used to discharge the liquid in the oil tank 04; the first level gauge 221 is used to measure the liquid level in the water tank 03, and the drain valve 124 is used to discharge the liquid in the water tank 03.

[0043] This invention features multi-media high-pressure integration, employing gas drive and supporting 3 oil pressure channels and 2 water pressure channels. The oil pressure can reach 5000 psi, and the water pressure can reach 16000 psi. This invention utilizes closed-loop precision control, achieving a pressure control accuracy of ±0.5%FS through real-time feedback from pressure sensors and dynamic adjustment of the hydraulic power source output. This invention employs a fully enclosed safety design, with both the fluid valve fixture and the integrated valve fixture housed within the test chamber, which must be sealed before testing can proceed, thus preventing accidental high-pressure fluid splashing. This invention also enables emergency stop and pressure relief in abnormal situations.

[0044] The detection device of this invention can be used to detect various integrated valves, such as an integrated valve with one inlet and one outlet formed by two solenoid valves, one check valve, and one relief valve; an integrated valve with one inlet and three outlets formed by three solenoid valves, one lock valve, one hydraulic check valve, one check valve, and one relief valve; an integrated valve with one inlet and two outlets formed by two solenoid valves; an integrated valve with one inlet and one outlet formed by one pressure sensor and one solenoid valve; an integrated valve with one inlet and two outlets formed by two check valves and two solenoid valves; an integrated valve with one inlet and one outlet formed by two check valves, one solenoid valve, and one pressure sensor; an integrated valve with one inlet and one outlet formed by one solenoid valve; and an integrated valve with one inlet and three outlets formed by three solenoid valves. Specifically, for an integrated valve consisting of a solenoid valve having an inlet and an outlet, such as a two-position two-way solenoid valve, the inlet of the two-position two-way solenoid valve is the inlet of the integrated valve, and the outlet of the solenoid valve is the outlet of the integrated valve.

[0045] The detection device of this invention can be used to detect fluid valves, such as dual-probe normally open valves, pump normally open valves, pump normally closed valves, and sampling valves.

[0046] It should be noted that, unless otherwise stated, the technical or scientific terms used in this application should have the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains.

[0047] Furthermore, the terms "a," "two," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly defined.

[0048] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered within the scope of the claims and specification of the present invention. In particular, as long as there is no structural conflict, the various technical features mentioned in the embodiments can be combined in any way. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A detection device for an integrated valve and a fluid valve, characterized in that, include: Air-driven unit; A water pressure testing unit is used to pump water in the water tank (03) to water pressure line 1 (071) and water pressure line 2 (072) under the drive of the air drive unit. Water pressure line 1 is connected to one of the fluid interfaces of the fluid valve fixture (05). The fluid valve to be tested is installed in the fluid valve fixture (05). Water pressure line 2 is connected to the other fluid interface of the fluid valve fixture (05). The hydraulic pressure testing unit is used to pump the hydraulic oil in the oil tank (04) to the main oil circuit under the drive of the air drive unit. The main oil circuit is connected to the oil inlet circuit, pilot oil line 1 and pilot oil line 2. The oil inlet circuit is connected to the inlet of the integrated valve fixture. The integrated valve to be tested is set in the integrated valve fixture. Pilot oil line 1 is connected to one of the control ports of the fluid valve fixture (05). Pilot oil line 2 is connected to the other control port of the fluid valve fixture (05). The first return oil circuit (021) is used to connect to the output oil port of the integrated valve tooling. as well as An electronic control unit is used to control the air drive unit, the water pressure testing unit, and the air drive testing unit.

2. The detection device for integrated valves and fluid valves according to claim 1, characterized in that, The air-driven unit includes an air-driven pipeline, the water pressure testing unit includes an air-driven water pump (14), and the oil pressure testing unit includes an air-driven oil pump (23). The air-driven pipeline is connected to one end of the first filter (1), and the other end of the first filter (1) is connected to the first port (141) of the air-driven water pump (14), the inlet of the first air-driven solenoid valve (51), the inlet of the second air-driven solenoid valve (10), and the inlet of the check valve (7). The outlet of the first air-driven solenoid valve (51) is connected to the second port (142) of the air-driven water pump (14), and the outlet of the check valve (7) is connected to the inlet of the third air-driven solenoid valve (52), the inlet of the fourth air-driven solenoid valve (53), the inlet of the fifth air-driven solenoid valve (56), and the inlet of the sixth air-driven solenoid valve (57). The outlet of valve (52) is connected to the control end of the first air-driven isolation valve (161), which is located on the water pressure line. The outlet of the fourth air-driven solenoid valve (53) is connected to the control end of the second air-driven isolation valve (162), which is located on the water pressure line. The outlet of the fifth air-driven solenoid valve (56) is connected to the control end of the third air-driven isolation valve (171), which is located on the main oil line. The outlet of the sixth air-driven solenoid valve (57) is connected to the control end of the fourth air-driven isolation valve (172), which is located on the first return oil line. The outlet of the second air-driven solenoid valve (10) is connected to the first port (231) of the air-driven oil pump.

3. The detection device for integrated valves and fluid valves according to claim 2, characterized in that, The water pressure path between the first air-driven isolation valve (161) and one of the fluid interfaces of the fluid valve fixture (05) is connected to the inlet of the fifth air-driven isolation valve (163). The water pressure path between the second air-driven isolation valve (162) and the other fluid interface of the fluid valve fixture (05) is connected to the inlet of the sixth air-driven isolation valve (164). The outlets of the fifth air-driven isolation valve (163) and the sixth air-driven isolation valve (164) are both connected to the water tank. The outlet of the check valve (7) is also connected to the inlet of the seventh air-driven solenoid valve (54) and the inlet of the eighth air-driven solenoid valve (55). The outlet of the seventh air-driven solenoid valve (54) is connected to the control terminal of the fifth air-driven isolation valve (163). The outlet of the eighth air-driven solenoid valve (55) is connected to the control terminal of the sixth air-driven isolation valve (164).

4. The detection device for integrated valves and fluid valves according to claim 3, characterized in that, A first throttle valve (111) is provided between the outlet of the third pneumatic solenoid valve (52) and the control end of the first pneumatic isolation valve (161); a second throttle valve (112) is provided between the outlet of the fourth pneumatic solenoid valve (53) and the control end of the second pneumatic isolation valve (162); a third throttle valve (113) is provided between the outlet of the seventh pneumatic solenoid valve (54) and the control end of the fifth pneumatic isolation valve (163); a fourth throttle valve (114) is provided between the outlet of the eighth pneumatic solenoid valve (55) and the control end of the sixth pneumatic isolation valve (164); a fifth throttle valve (115) is provided between the outlet of the fifth pneumatic solenoid valve (56) and the control end of the third pneumatic isolation valve (171); and a sixth throttle valve (116) is provided between the outlet of the sixth pneumatic solenoid valve (57) and the control end of the fourth pneumatic isolation valve (172).

5. The detection device for integrated valves and fluid valves according to claim 2, characterized in that, It also includes a second return oil circuit (022) and a third return oil circuit (023). The second and third return oil circuits are both used to connect to the output oil port of the integrated valve tooling. The outlet of the one-way valve (7) is also connected to the inlet of the seventh pneumatic solenoid valve (58) and the inlet of the eighth pneumatic solenoid valve (59). The outlet of the seventh pneumatic solenoid valve (58) is connected to the control end of the fifth pneumatic isolation valve (173). The fifth pneumatic isolation valve (173) is set on the second return oil circuit. The outlet of the eighth pneumatic solenoid valve (59) is connected to the control end of the sixth pneumatic isolation valve (174). The sixth pneumatic isolation valve (174) is set on the third return oil circuit. A seventh throttle valve (117) is set between the outlet of the seventh pneumatic solenoid valve (58) and the control end of the fifth pneumatic isolation valve (173). An eighth throttle valve (118) is set between the outlet of the eighth pneumatic solenoid valve (59) and the control end of the sixth pneumatic isolation valve (174).

6. The detection device for integrated valves and fluid valves according to claim 5, characterized in that, The first return oil line is equipped with a first pressure gauge (291) and a first pressure sensor (302), the second return oil line is equipped with a second pressure gauge (292) and a second pressure sensor (303), and the third return oil line is equipped with a third pressure gauge (293) and a first pressure sensor (304). One end of the first return oil line, one end of the second return oil line, and one end of the third return oil line are all used to connect to the output port of the integrated valve tooling. The other end of the first return oil line, the other end of the second return oil line, and the other end of the third return oil line are all connected to the oil tank through a second filter (134).

7. The detection device for integrated valves and fluid valves according to claim 5, characterized in that, It also includes a test chamber (06), in which integrated valve fixtures and fluid valve fixtures (05) are both installed. The test chamber is equipped with a first interface (061) and a second interface (062). The first interface is connected to one end of the water pressure line, and the second interface is connected to one end of the water pressure line 2. The first interface is used to connect to one fluid interface of the fluid valve fixture (05), and the second interface is used to connect to the other fluid interface of the fluid valve fixture (05). The test chamber is also equipped with a third interface (063) and a fourth interface (064). The third interface is connected to one end of the pilot oil line, and the fourth interface is connected to one end of the pilot oil line 2. The third interface is used to connect to the fluid valve fixture (061) and the fluid valve fixture (062). One of the control ports of 05) is connected, and the fourth interface is used to connect to the other control port of the fluid valve fixture (05); the test chamber is provided with a fifth interface (065), which is connected to one end of the oil inlet and is used to connect to the inlet of the integrated valve fixture; the test chamber is provided with a sixth interface (066), a seventh interface (067) and an eighth interface (068), the sixth interface is connected to one end of the first return oil circuit (021), the seventh interface is connected to one end of the second return oil circuit (022), and the eighth interface is connected to one end of the third return oil circuit (023). The sixth, seventh and eighth interfaces are all used to connect to the output port of the integrated valve fixture.

8. The detection device for integrated valves and fluid valves according to claim 7, characterized in that, It also includes a test cabinet (001) formed by several storage cabinets (002), wherein the air drive unit, water pressure test unit, test chamber, and oil pressure test unit control unit are all set in the corresponding storage cabinets. The storage cabinet is provided with a drain port (003) connected to the drain pipeline, and the storage cabinet is provided with an air drive inlet (004) connected to the air drive unit. The test chamber is connected to a drain pipeline, and the drain pipeline is provided with a fifth filter (135) and an emergency stop switch (123). The test chamber is also provided with an oil return port (060), which is connected to the oil tank.

9. The detection device for integrated valves and fluid valves according to claim 2, characterized in that, The water tank is connected to the third port (143) of the air-driven water pump (14). A first switch valve (121) and a third filter (131) are installed on the pipeline between the water tank and the third port (143) of the air-driven water pump (14). The fourth port (144) of the air-driven water pump (14) is connected to one end of the water pipeline. The other end of the water pipeline is connected to one end of the first water pressure line and one end of the second water pressure line. A valve body (15) is connected between the water pipeline and the water tank.

10. The detection device for integrated valves and fluid valves according to claim 2, characterized in that, The oil tank is connected to the second port (232) of the air-driven oil pump (23). A second switching valve (122) and a fourth filter (133) are provided on the pipeline between the oil tank and the second port (232) of the air-driven oil pump (23). The third port (233) of the air-driven oil pump (23) is connected to one end of the main oil circuit. The other end of the main oil circuit is connected to the oil inlet circuit, the first pilot oil circuit, and the second pilot oil circuit. A first accumulator (24), a third pressure gauge (26), a manual pressure reducing valve (28), a fourth pressure gauge (33), and a third pressure sensor (301) are also provided on the main oil circuit.

11. The detection device for integrated valves and fluid valves according to claim 1, characterized in that, The water pressure line is equipped with a first pressure gauge (181) and a first pressure sensor (191), and the water pressure line is equipped with a second pressure gauge (182) and a second pressure sensor (192). The pilot oil line is equipped with a first two-position three-way solenoid valve (311), the pilot oil line is equipped with a second two-position three-way solenoid valve (312), the other end of the main oil line is also connected to a reserved oil line, the reserved oil line is equipped with a third two-position three-way solenoid valve (313), and the inlet oil line is equipped with a fourth two-position three-way solenoid valve (314).

12. The detection device for integrated valves and fluid valves according to claim 1, characterized in that, The oil tank is equipped with a second level switch (202), a second breather valve (212), and a second level gauge (222), and the oil tank is connected to an oil drain valve (125); the water tank is equipped with a first level switch (201), a first breather valve (211), and a first level gauge (221), and the water tank is connected to a drain valve (124).

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