CN219589939U - High-temperature gas on-off valve test device - Google Patents
High-temperature gas on-off valve test device Download PDFInfo
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- CN219589939U CN219589939U CN202320543920.2U CN202320543920U CN219589939U CN 219589939 U CN219589939 U CN 219589939U CN 202320543920 U CN202320543920 U CN 202320543920U CN 219589939 U CN219589939 U CN 219589939U
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Abstract
The utility model discloses a high-temperature gas on-off valve test device which comprises a gas source and a gas on-off valve, wherein a gas on-off valve gas inlet regulating pipeline is connected between the inlet end of the gas on-off valve and the gas source, a pressure regulating unit and a temperature regulating unit are sequentially connected to the gas on-off valve gas inlet regulating pipeline, the input end of the pressure regulating unit is connected with the gas source, and the output end of the temperature regulating unit is connected with the inlet end of the gas on-off valve; the intelligent control system is characterized by further comprising an electrical control unit, wherein the electrical control unit comprises a PLC and a touch display screen, and the PLC is respectively connected with the touch display screen, the air source, the pressure regulating unit and the temperature regulating unit. The test device can accurately and automatically adjust the pressure and the temperature of an air medium, perform long-time dynamic performance test, automatically and synchronously generate real-time data, reduce the labor intensity of operators and improve the working efficiency.
Description
Technical Field
The utility model relates to the technical field of high-temperature air medium testing, in particular to a high-temperature gas on-off valve testing device.
Background
In the field of military aviation at present, with the updating of flying equipment, the requirements on the high-temperature performance of parts of the flying equipment are higher and higher. According to relevant standards of aviation industry in China, performance tests are required before shipping aviation products. For certain on-off valve products under high-temperature air medium, a high-temperature dynamic performance test is required. The specific test method is that the tested product is connected to the test equipment, and the compressed air medium with set temperature, pressure and flow is filled into the inlet of the tested product, and the performance test of the product under the flying working condition can be simulated, and the pressure-time curve, the temperature-time curve, the flow-time curve and the pressure-flow curve of the tested product under the high temperature working condition are obtained through the pressure sensor, the temperature sensor, the flow sensor and the pressure sensor and the temperature sensor which are connected to the inlet end, and according to the change condition of the curves, whether the dynamic performance of the tested product under the high temperature working condition meets the use requirement can be judged.
The existing gas on-off valve dynamic performance test equipment under the high-temperature working condition adopts a manual control mode to adjust the temperature and pressure of a gas medium at the inlet end of a tested product, the pressure adjustment response is slow in the test process, the medium temperature control precision is low, the labor intensity of test operators is high, the working efficiency is low, the danger coefficient is high, and the operators are easy to scald, so that the conditions need to be solved urgently.
Disclosure of Invention
The utility model aims to solve the problems of the dynamic performance test equipment of the gas on-off valve in the prior art, and provides a high-temperature gas on-off valve test device which can automatically adjust the pressure and the temperature of an air medium and perform a long-time dynamic performance test.
The aim of the utility model is realized by the following technical scheme:
the high-temperature gas on-off valve testing device mainly comprises a gas source and a gas on-off valve, wherein a gas on-off valve gas inlet regulating pipeline is connected between the inlet end of the gas on-off valve and the gas source, a pressure regulating unit and a temperature regulating unit are sequentially connected to the gas on-off valve gas inlet regulating pipeline, the input end of the pressure regulating unit is connected with the gas source, and the output end of the temperature regulating unit is connected with the inlet end of the gas on-off valve;
the intelligent control system is characterized by further comprising an electrical control unit, wherein the electrical control unit comprises a PLC and a touch display screen, and the PLC is respectively connected with the touch display screen, the air source, the pressure regulating unit and the temperature regulating unit.
As a preferred option, the high-temperature gas on-off valve test device comprises a plurality of gas on-off valve air inlet regulating pipelines, wherein the front end of each gas on-off valve air inlet regulating pipeline is connected with an air source, and the rear end of each gas on-off valve air inlet regulating pipeline is respectively connected to the inlet end of one gas on-off valve. Air media with different testing conditions are provided by the air inlet regulating pipelines of each gas on-off valve.
As a preferred option, the high-temperature gas on-off valve test device is characterized in that the outlet end of the gas on-off valve is connected with a gas on-off valve gas outlet detection pipeline, and the PLC is connected with the gas on-off valve gas outlet detection pipeline.
As a preferred option, the high-temperature gas on-off valve test device is characterized in that a gas source filtering unit is further connected between the gas source and a gas inlet regulating pipeline of the gas on-off valve, and the gas source filtering unit comprises an air filter, a stop valve, a pressure gauge and a first pressure sensor which are sequentially connected.
As a preferred option, the high-temperature gas on-off valve test device comprises an electric proportion pressure regulating valve, a second pressure sensor and a flow sensor which are sequentially connected.
As a preferred option, the high-temperature gas on-off valve test device is characterized in that a safety valve is connected between the second pressure sensor and the flow sensor.
As a preferred option, the high-temperature gas on-off valve test device is characterized in that the flow sensor is a flowmeter.
As a preferred option, the high-temperature gas on-off valve test device comprises an electric heating device, a first temperature sensor and a third pressure sensor which are sequentially connected.
As a preferred option, a high-temperature gas on-off valve test device is characterized in that a first electromagnetic valve for deflation is connected between the first temperature sensor and the third pressure sensor.
As a preferred option, the high-temperature gas on-off valve test device is characterized in that the gas on-off valve outlet detection pipeline comprises a second temperature sensor, a fourth pressure sensor and a second electromagnetic valve which are sequentially connected.
It should be further noted that the technical features corresponding to the above options may be combined with each other or replaced to form a new technical scheme without collision.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The utility model is respectively connected with the touch display screen, the air source, the pressure regulating unit and the temperature regulating unit through the PLC, can accurately and automatically regulate the pressure and the temperature of the air medium, has quick regulation response, can perform long-time dynamic performance test, automatically synchronously generates a real-time pressure-time curve through the touch display screen, records and saves historical data, reduces the labor intensity of operators, improves the working efficiency, reduces the risk coefficient and avoids scalding the operators.
(2) In one example, the air inlet regulating and controlling pipeline of the multi-path gas on-off valve provides air media under different testing conditions, and the air media are respectively tested, so that the testing efficiency is improved, and meanwhile, the performance of the on-off valve under different testing conditions is conveniently compared.
(3) In one example, the air filter that the air source filter unit passed through can effectively filter the impurity in the air, through stop valve, manometer and first pressure sensor, but the break-make of manual control test device air supply to observe and monitor the air supply pressure value in real time.
(4) In one example, the electric proportional pressure regulating valve can automatically regulate and control the gas pressure, and the inlet pressure and the flow value of the measured product are monitored in real time through the second pressure sensor and the flow sensor; and a safety valve is connected between the second pressure sensor and the flow sensor to prevent the pipeline pressure from exceeding a safety limit value, and when the pressure exceeds a set value, the safety valve automatically opens the pressure relief, so that the personal safety and the equipment safety of operators are ensured.
(5) In one example, the electric heating device heats the air medium in the pipeline to ensure that the temperature of the air medium in the pipeline is constant; and a first electromagnetic valve is arranged on the pipeline and is used for assisting in controlling the temperature of an air medium in the pipeline and emergency pressure relief.
(6) In one example, the electrical control unit is configured with a communication port and a protocol, which can pass through the touch display screen operation test and can also pass through a notebook computer externally connected with a preinstalled control software program to perform the operation test, thereby facilitating the analysis and the processing of test data.
Drawings
FIG. 1 is a schematic diagram of a high temperature gas on-off valve test apparatus according to an embodiment of the present utility model;
FIG. 2 is a schematic structural diagram of a test apparatus with a multi-way gas on-off valve inlet regulation pipeline according to an embodiment of the present utility model;
FIG. 3 is a schematic structural view of a test apparatus with an air source filter unit connected thereto according to an embodiment of the present utility model;
fig. 4 is a specific structural diagram of a gas on-off valve test apparatus according to an embodiment of the present utility model for performing two-way tests.
Reference numerals in the drawings: 1. a gas source; 2. a gas on-off valve; 3. an air inlet regulating pipeline of the air on-off valve; 31. a pressure adjusting unit; 32. a temperature adjusting unit; 4. an electrical control unit; 41. a PLC; 42. touching the display screen; 5. the gas on-off valve is provided with a gas outlet detection pipeline; 6. an air source filtering unit; 61. an air filter; 62. a stop valve; 63. a pressure gauge; 64. a first pressure sensor; 311. an electric proportional pressure regulating valve; 312. a second pressure sensor; 313. a flow sensor; 314. a safety valve; 321. an electric heating device; 322. a first temperature sensor; 323. a third pressure sensor; 324. a first electromagnetic valve; 325. a third electromagnetic valve; 51. a second temperature sensor; 52. a fourth pressure sensor; 53. a second solenoid valve 53.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully understood from the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that directions or positional relationships indicated as being "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships described based on the drawings are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
In an exemplary embodiment, mainly provide a high-temperature gas on-off valve test device, refer to fig. 1, the device includes gas source 1 and gas on-off valve 2, connect with the gas on-off valve between said gas source 1 and the inlet end of the gas on-off valve 2 and enter the gas regulation and control pipeline 3, connect with the pressure regulating unit 31 and temperature regulating unit 32 sequentially on the gas on-off valve and enter the gas regulation and control pipeline 3, the input end of the said pressure regulating unit 31 is connected with gas source 1, the output end of the said temperature regulating unit 32 is connected with said gas on-off valve 2's inlet end;
the intelligent temperature control system further comprises an electric control unit 4, the electric control unit 4 comprises a PLC41 and a touch display screen 42, the PLC41 is respectively connected with the touch display screen 42, the air source 1, the pressure adjusting unit 31 and the temperature adjusting unit 32, wherein the temperature adjusting unit 32 adopts a PID temperature control system, and the electric control unit 4 further comprises a direct-current power supply, a data acquisition card, a solid-state relay, a safety isolation grid, a power switch, a control knob and other electric elements.
Specifically, the air source 1 uses normal-temperature compressed air, the pressure regulating unit 31 regulates the pressure of the compressed air, the temperature regulating unit 32 regulates the temperature of the compressed air, the operation of the pressure regulating unit 31 and the temperature regulating unit 32 is controlled in real time through the PLC41, so that the air entering the tested gas on-off valve is a high-temperature gas medium with certain pressure and temperature, and the temperature value, the pressure value and the flow value of the inlet end and the outlet end of a tested product are monitored in real time, so that a dynamic performance test and a tightness test are realized. And automatically synchronously generating a real-time pressure-time curve and a temperature-time curve through the touch display screen 42, recording and storing historical data, reducing the labor intensity of operators, improving the working efficiency, reducing the risk coefficient and avoiding scalding the operators.
Further, the electrical control unit 4 is configured with a communication port and a protocol, so that the operation test can be performed through the touch display screen 42, and the operation test can be performed through a notebook computer externally connected with a preinstalled control software program, thereby being convenient for analyzing and processing test data.
In one example, referring to fig. 2, a high temperature gas on-off valve test apparatus includes multiple gas on-off valve inlet regulation pipelines 3, wherein a front end of each gas on-off valve inlet regulation pipeline 3 is connected to a gas source 1, and a rear end is connected to an inlet end of one gas on-off valve 2. Each path of gas on-off valve air inlet regulating pipeline 3 provides air media with different testing conditions.
Specifically, the test device is divided into two paths (A path and B path) for providing high-temperature air medium for the tested product (gas on-off valve), one path for providing high-pressure, high-temperature and high-flow air medium for the inlet end of the tested product, and the other path for providing low-pressure, high-temperature and low-flow air medium for the inlet end of the tested product. The air inlet regulating and controlling pipeline 3 of the multi-channel gas on-off valve provides air media under different testing conditions, and is used for respectively testing, so that the testing efficiency is improved, and meanwhile, the performance of the on-off valve under different testing conditions is conveniently compared.
The specific structural form is as follows:
a-way high-temperature air medium pipeline system (high pressure and high flow): the normal temperature compressed air source provides (3-15) MPa high temperature (50-600) DEG C air medium to the test device after automatic temperature control by the heating device, wherein the inlet pressure of the tested product can be randomly regulated within the (3-15) MPa range after passing through the electric proportion pressure regulating valve, and the temperature can be randomly regulated within the (50-600) DEG C range.
B-way high-temperature air medium pipeline system (low pressure, small flow): the normal temperature compressed air source provides (0-3) MPa high temperature (50-600) DEG C air medium for the test device after automatic temperature control by the heating device, wherein the inlet pressure of the tested product can be randomly regulated within the (0-3) MPa range after passing through the electric proportion pressure regulating valve, and the temperature can be randomly regulated within the (50-600) DEG C range.
In one example, referring to fig. 2, a high temperature gas on-off valve test apparatus is provided, an outlet end of the gas on-off valve 2 is connected to a gas on-off valve gas outlet detection pipeline 5, and the PLC41 is connected to the gas on-off valve gas outlet detection pipeline 5.
In an example, referring to fig. 3, a high temperature gas on-off valve test device is further connected between the gas source 1 and the gas on-off valve inlet regulation pipeline 3, and the gas source filtering unit 6 includes an air filter 61, a stop valve 62, a pressure gauge 63 and a first pressure sensor 64 which are sequentially connected. The air filter 61 can effectively filter impurities in the air, ensure the cleanliness of air media in the whole test device, and can manually control the on-off of an air source of the test device through the stop valve 61, the pressure gauge 63 and the first pressure sensor 64, and observe and monitor the pressure value of the air source in real time.
In one example, a high temperature gas on-off valve test apparatus, the pressure regulating unit 31 includes an electric proportional pressure regulating valve 311, a second pressure sensor 312, and a flow sensor 313 connected in this order. Wherein, the inlet pressure of the tested product can be automatically adjusted and controlled by the electric proportion pressure regulating valve 311.
In one example, in the high temperature gas on-off valve test device, a safety valve 314 is connected between the second pressure sensor 312 and the flow sensor 313, and when the system pressure exceeds a set value, the safety valve 314 can be used for automatically releasing pressure, so that safety is ensured, wherein the flow sensor 313 is a flowmeter.
In one example, the temperature adjusting unit 32 includes an electric heating device 321, a first temperature sensor 322 and a third pressure sensor 323 which are sequentially connected, the temperature of the air medium at the inlet end of the tested product can be automatically adjusted and controlled through the electric heating device 321 and the first temperature sensor 322, the working pressure of the tested product can be monitored in real time through the third pressure sensor 323, and a temperature-time curve and a pressure-time curve can be automatically generated through a data acquisition card and displayed on the touch display screen 42.
Further, the electric heating device 321 adopts a three-phase alternating current power supply (380V), and automatically heats and controls the temperature of the air medium in the pipeline according to the set temperature value, so as to provide the high-temperature air medium with the required temperature for the test device.
In one example, in the high temperature gas on-off valve test device, a first electromagnetic valve 324 for deflation is connected between the first temperature sensor 322 and the third pressure sensor 323, so that emergency pressure relief can be performed in case of emergency or accident, and personal safety and equipment safety of operators are ensured.
In one example, a high temperature gas on-off valve test device, the gas on-off valve outlet detection pipeline 5 comprises a second temperature sensor 51, a fourth pressure sensor 52 and a second electromagnetic valve 53 which are sequentially connected.
In another exemplary embodiment, high-temperature compressed air is used as a working medium, normal-temperature compressed air is used as a gas source, an electric proportion pressure regulating valve, a stop valve, an electromagnetic valve and the like are used as control valves, a pressure sensor, a flow sensor, a temperature sensor and a pressure gauge are used as measuring instruments, a computer control system can automatically provide high-temperature gas medium with certain temperature, pressure and flow for the inlet end of a tested product according to a preset program, and can monitor the temperature value, the pressure value and the flow value of the inlet end and the outlet end of the tested product in real time and automatically generate a pressure-time curve, a flow-time curve and a temperature-time curve, so that dynamic performance test and tightness test are realized. An electric heating device is arranged in a pipeline channel of the test device, and a three-phase alternating current power supply (380V) is adopted to automatically heat and control the temperature of an air medium in a pipeline according to a set temperature, so that a high-temperature air medium with certain pressure and flow rate is provided for the test device. Referring to fig. 4, a specific structure of the air on-off valve test device under dynamic high temperature medium and the use process thereof will be described by taking two-way test as an example.
Specifically, an electric proportion pressure regulating valve 311 is arranged in the A-path high-temperature air medium pipeline system, and the A-path gas pressure can be automatically regulated and controlled according to a set pressure value; the outlet of the electric proportion pressure regulating valve 311 is connected with a second pressure sensor 312 and a flowmeter 313, so that the inlet pressure and the flow value of the measured product can be monitored in real time; and the outlet of the electric proportion pressure regulating valve 311 is connected with a safety valve 314, so that the pipeline pressure is prevented from exceeding a safety limit value, and when the pressure exceeds a set value, the safety valve 314 automatically opens for pressure relief, so that the personal safety and the equipment safety of operators are ensured.
An electric heating device 321 and a first temperature sensor 322 are arranged on a tested product inlet pipeline, a required pipeline temperature value (such as 500 ℃) can be preset, when the first temperature sensor 322 monitors that the pipeline temperature is lower than the preset temperature value, a PLC41 sends out an instruction, the electric heating device 321 is automatically started to heat an air medium in the pipeline, and the air medium temperature in the pipeline is ensured to be constant; and a first solenoid valve 324 is provided on the line to assist in controlling the temperature of the air medium in the line and emergency pressure relief.
A second temperature sensor 51, a fourth pressure sensor 52 and a second solenoid valve 53 are installed on the tested product outlet line for monitoring the tested product outlet temperature and pressure values.
And similarly, the arrangement of the pipeline system of the high-temperature air medium in the B path is the same as that in the A path.
The specific test procedure is as follows:
path a sealability test: the inlet end of the tested product is connected to the inlet of the product of the utility model, the outlet end is connected to the outlet, the stop valve 62 is opened, the first electromagnetic valve 324 and the second electromagnetic valve 53 are closed, the third electromagnetic valve 325 is opened, the gas pressure target value is input by an operator, the electric proportional pressure regulating valve 311 automatically regulates and stabilizes the gas pressure to the target value, and the second pressure sensor 312 and the third pressure sensor 323 monitor the system pressure value in real time and automatically display the system pressure value on a display screen. After the system pressure reaches the target value, the third electromagnetic valve 325 is closed, the test system starts to time and maintain the pressure, and the tightness test can be performed by observing whether the display value of the third pressure sensor 323 changes or not during the pressure maintaining period, and a pressure-time curve is automatically generated. After the dwell time reaches the set time, the second electromagnetic valve 53 is opened, the gas in the tested product is completely released, after the display values of the third pressure sensor 323 and the fourth pressure sensor 52 are 0, the test is finished, and the tested product can be dismounted.
A way high-temperature medium dynamic performance test: the inlet end of the tested product is connected to the inlet of the product of the utility model, the outlet end is connected to the outlet, the stop valve 62 is opened, the first electromagnetic valve 324 and the second electromagnetic valve 53 are closed, the third electromagnetic valve 325 is opened, the target values of gas pressure and temperature are input by operators, the electric proportional pressure regulating valve 311 is automatically regulated and stabilized to the target values, and the second pressure sensor 312 and the third pressure sensor 323 monitor the system pressure value in real time and automatically display the system pressure value on a display screen. When the system pressure reaches the target value, the first electromagnetic valve 324 and the second electromagnetic valve 53 are opened, the third electromagnetic valve 325 is closed, the built-in PID program of the electric heating device 321 automatically controls the temperature and stabilizes to the target value, and the first temperature sensor 322 monitors the system temperature value in real time and automatically displays the system temperature value on a display screen. The third solenoid valve 325 is opened, and the values of the first temperature sensor 322, the second temperature sensor 51, the third pressure sensor 323, the fourth pressure sensor 52, and the flow meter 313 are automatically displayed on the display screen, so that a dynamic performance test can be performed, and a temperature-time curve, a pressure-time curve, and a flow-time curve are automatically generated. After the test time reaches the set time, the electric heating device 321 and the third electromagnetic valve 325 are closed, the fourth pressure sensor 52 displays a value of 0, the second temperature sensor 51 displays normal temperature, the test is finished, and the tested product can be detached.
The tightness test of the path B and the dynamic performance test of the high-temperature medium of the path B are the same as those of the path A, but the preset target value in the adjustment is different.
The inlet of the tested product is connected with an electric heating device, an electromagnetic valve, an electric proportion pressure regulating valve, a temperature sensor, a pressure sensor and a flow sensor, the temperature of an air medium at the inlet end of the tested product can be automatically regulated and controlled through the electric heating device and the temperature sensor, the on-off and exhaust functions of the high-temperature air medium at the inlet of the tested product can be realized through the electromagnetic valve, the inlet pressure of the tested product can be automatically regulated and controlled through the electric proportion pressure regulating valve, the temperature sensor can monitor the temperature of the medium of the tested product in real time, the working pressure of the tested product can be monitored in real time, and the temperature-time curve and the pressure-time curve can be automatically generated through the display of a data acquisition card on a touch display screen. The flow sensor can monitor the working flow of the tested product in real time, and the working flow is displayed on the touch display screen through the data acquisition card, so that a flow-time curve is automatically generated. Therefore, the utility model can provide air medium with certain temperature, pressure and flow rate for the tested product port, and can be stabilized at the set value for a long time, and is used for the tightness test and the performance test of the tested product at high temperature.
The foregoing detailed description of the utility model is provided for illustration, and it is not to be construed that the detailed description of the utility model is limited to only those illustration, but that several simple deductions and substitutions can be made by those skilled in the art without departing from the spirit of the utility model, and are to be considered as falling within the scope of the utility model.
Claims (10)
1. The high-temperature gas on-off valve test device comprises a gas source and a gas on-off valve, and is characterized in that a gas on-off valve gas inlet regulation pipeline is connected between the inlet end of the gas on-off valve and the gas source, a pressure regulation unit and a temperature regulation unit are sequentially connected to the gas on-off valve gas inlet regulation pipeline, the input end of the pressure regulation unit is connected with the gas source, and the output end of the temperature regulation unit is connected with the inlet end of the gas on-off valve;
the intelligent control system is characterized by further comprising an electrical control unit, wherein the electrical control unit comprises a PLC and a touch display screen, and the PLC is respectively connected with the touch display screen, the air source, the pressure regulating unit and the temperature regulating unit.
2. The high-temperature gas on-off valve test device according to claim 1, comprising a plurality of gas on-off valve inlet regulating pipelines, wherein the front end of each gas on-off valve inlet regulating pipeline is connected with a gas source, and the rear end of each gas on-off valve inlet regulating pipeline is respectively connected with the inlet end of one gas on-off valve.
3. The high-temperature gas on-off valve test device according to claim 1, wherein an outlet end of the gas on-off valve is connected with a gas on-off valve gas outlet detection pipeline, and the PLC is connected with the gas on-off valve gas outlet detection pipeline.
4. The high-temperature gas on-off valve test device according to claim 1, wherein a gas source filtering unit is further connected between the gas source and a gas inlet regulating pipeline of the gas on-off valve, and the gas source filtering unit comprises an air filter, a stop valve, a pressure gauge and a first pressure sensor which are sequentially connected.
5. The high-temperature gas on-off valve test device according to claim 1, wherein the pressure regulating unit comprises an electric proportional pressure regulating valve, a second pressure sensor and a flow sensor which are sequentially connected.
6. The high temperature gas on-off valve test device according to claim 5, wherein a safety valve is connected between the second pressure sensor and the flow sensor.
7. The high temperature gas on-off valve test apparatus of claim 6, wherein the flow sensor is a flow meter.
8. The high temperature gas on-off valve test apparatus according to claim 6, wherein the temperature adjusting unit comprises an electric heating device, a first temperature sensor and a third pressure sensor which are sequentially connected.
9. The high temperature gas on-off valve test apparatus according to claim 8, wherein a first solenoid valve for gas release is connected between the first temperature sensor and the third pressure sensor.
10. The high-temperature gas on-off valve test device according to claim 3, wherein the gas on-off valve outlet detection pipeline comprises a second temperature sensor, a fourth pressure sensor and a second electromagnetic valve which are sequentially connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320543920.2U CN219589939U (en) | 2023-03-20 | 2023-03-20 | High-temperature gas on-off valve test device |
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| CN202320543920.2U CN219589939U (en) | 2023-03-20 | 2023-03-20 | High-temperature gas on-off valve test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118170192A (en) * | 2024-05-11 | 2024-06-11 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Control method and system for gas pressure and flow of two-stage pressure regulating pipeline |
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2023
- 2023-03-20 CN CN202320543920.2U patent/CN219589939U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118170192A (en) * | 2024-05-11 | 2024-06-11 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Control method and system for gas pressure and flow of two-stage pressure regulating pipeline |
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