CN112462217A - High-pressure gas tolerance test device and test method - Google Patents
High-pressure gas tolerance test device and test method Download PDFInfo
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- CN112462217A CN112462217A CN202011251506.1A CN202011251506A CN112462217A CN 112462217 A CN112462217 A CN 112462217A CN 202011251506 A CN202011251506 A CN 202011251506A CN 112462217 A CN112462217 A CN 112462217A
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- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 238000010998 test method Methods 0.000 title claims abstract description 7
- 238000011084 recovery Methods 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000002405 diagnostic procedure Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 133
- 238000009413 insulation Methods 0.000 description 6
- 238000005086 pumping Methods 0.000 description 5
- 239000012774 insulation material Substances 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/16—Construction of testing vessels; Electrodes therefor
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Abstract
The invention relates to a high-pressure gas tolerance test device and a test method, and belongs to the technical field of electrical detection. Comprises a horizontal container, a vacuum pump, a pressurization and gas recovery system and a tail gas treatment device; the horizontal container is respectively connected with a pressurization and gas recovery system, a vacuum pump and a tail gas treatment device. The invention provides a whole set of test system, compared with the traditional pressure container, the pressure maintaining test efficiency is higher, and the waste of high-pressure gas and the environmental pollution are greatly avoided. During the use, can directly put into horizontal pressure vessel with the sample, carry out evacuation, pressurization, pressurize, gas recovery afterwards, the sample measurement, wholeness and maneuverability are stronger, and it is more convenient to use. The horizontal container, the pressurization system, the vacuumizing device and the tail gas treatment device are respectively and independently arranged and are connected through pipelines, so that the horizontal container is convenient to disassemble and transport and can be matched with different high-pressure gas environments for testing; the tail gas treatment device avoids environmental pollution and directly improves the safety of the whole system.
Description
Technical Field
The invention relates to a high-pressure gas tolerance test device and a test method, and belongs to the technical field of electrical detection.
Background
The electric insulating material has the advantages of excellent chemical stability, good electric insulating property, high mechanical strength and the like under the standard atmospheric pressure, and is widely applied to various industries; however, the insulation performance of many insulation systems in various high-pressure gas environments is not verified, for example, the insulation of the stator winding of the compressor in the natural gas transmission pipeline can cause serious production and safety accidents if the insulation is damaged in the high-pressure gas environment. Insulation is along with the increase of insulation material use scenes under the high atmospheric pressure environment, and corresponding test requirements are also getting bigger and bigger.
In the performance detection of the electrical insulating material, although the electrical performance of the material can be fed back by testing the insulation resistance, the withstand voltage, the dielectric loss factor and the partial discharge of the material under the standard atmospheric pressure, the performance test of the service condition under the extreme environment is inconvenient, and particularly, the performance data of the electrical material after service in the high-pressure gas resistant environment is also important. Therefore, a specific testing system and method are needed to measure and evaluate the electrical insulation performance of the insulation material after the insulation material is in service in the high-pressure gas environment, and further verify the influence of the high-pressure environment and different gas components on the performance of the insulation material. The prior art discloses application numbers as follows: the pressure container of CN201610321152.0, including the base, install the horizontal container on the base and install the adjustable pressure sealing device in the pressure port department of horizontal container, the adjustable pressure sealing device include the pressure sealing collar, install the hydraulic cylinder in the pressure sealing collar inboard, and install the pressure sealing apron on the telescopic link of hydraulic cylinder. However, the prior art has inconvenient practical application scene, low adaptation degree and low practicability.
Disclosure of Invention
The invention aims to solve the technical problem of simulating a high-voltage environment in the performance detection of an insulating material.
In order to solve the problems, the technical scheme adopted by the invention is to provide a high-pressure gas tolerance test device which comprises a horizontal container, a vacuum pump, a pressurization and gas recovery system and a tail gas treatment device; the horizontal container is connected with a pressurization and gas recovery system; the horizontal container is connected with a vacuum pump; the horizontal container is connected with a tail gas treatment device; the horizontal container is also provided with an inlet and an outlet for the sample to be detected to enter and exit the horizontal container, and the inlet and the outlet are provided with seal heads.
Preferably, the pressurization and gas recovery system comprises a pressurization and gas recovery device and a control valve instrument; the pressurizing and gas recovering device comprises a pressurizing pump and an experimental standard gas tank; the experimental standard gas tank is connected with the horizontal container through a booster pump.
Preferably, the pressurization and gas recovery device is provided with a high-pressure reducing valve, an inverse gas stop valve and a one-way valve; and each connecting pipeline is independently provided with a pressure gauge.
Preferably, the booster pump is a pneumatic booster pump; the booster pump is provided with a reversing control valve for controlling automatic reciprocating motion and realizing high-low pressure conversion.
Preferably, the exhaust gas treatment device is a gas combustion device.
Preferably, the horizontal container is provided with a pressure gauge, a safety valve, a drain outlet and a base for supporting.
The invention provides a test method of a high-pressure gas tolerance test device, which comprises the following steps:
step 1: placing a sample to be tested into a horizontal container, and sealing the horizontal container through end sockets at an inlet and an outlet;
step 2: starting a vacuum pump to vacuumize the horizontal container through an air outlet valve on the horizontal container until the interior of the horizontal container is pumped to be nearly vacuum;
and step 3: when the horizontal container is close to vacuum, a pressure gauge on the horizontal container feeds pressure data back to the pressurization and gas recovery device, and the pressurization process starts at the moment;
and 4, step 4: in the pressurizing process, the experimental standard gas tank is connected to a gas inlet of the booster pump through a tank opening and a pipeline, and then is connected to a gas inlet valve on the horizontal container through a gas outlet on the booster pump and a pipeline; the booster pump works, and after the set pressure in the horizontal container is reached, the pressure maintaining test is carried out;
and 5: when the pressure maintaining process is finished, starting the pressurizing and gas recovering device again, and performing gas recovery by completely reversing the operation of the pressurizing process of the horizontal container in the step 4;
step 6: when the gas recovery is finished, the pressure gauge index of the horizontal container gradually tends to be stable, and part of gas still remaining in the horizontal container is ignited by a gas device for tail gas treatment and is consumed;
and 7: sampling and performing diagnostic test.
Compared with the prior art, the invention has the following beneficial effects:
the high-pressure gas tolerance test device provided by the invention is a whole set of test system, compared with the traditional pressure container, the pressure maintaining test efficiency is higher, and the waste of high-pressure gas and environmental pollution are greatly avoided. When the high-pressure gas tolerance test device is used, a sample can be directly placed into the horizontal pressure container, and then the device is vacuumized, pressurized, kept for a certain time, recycled, sampled and measured, and has strong integrity and operability, so that the device is more convenient to use.
The pressurization and gas recovery system has a unique structure, and the pressurization pump is based on the compressed air of the external air compressor as a power source, so that the safety is ensured. Meanwhile, a reversing control valve in the booster pump can control the booster pump to automatically reciprocate, so that high-pressure and low-pressure conversion is realized. And the gas driving cavity and the gas compression cavity in the booster pump are isolated by the three-stage dynamic sealing device, so that the compressed gas is prevented from being polluted.
The horizontal container, the pressurization system, the vacuumizing device and the tail gas treatment device are separated, only special pipelines are adopted for connection, the disassembly and the transportation are convenient, and meanwhile, pressure maintaining tests and tests can be carried out by matching with different high-pressure gas environments.
The tail gas treatment device can utilize the gas device to ignite and consume the residual gas in the horizontal container after the gas recovery process is finished, thereby avoiding environmental pollution and directly improving the safety of the whole system.
Drawings
FIG. 1 is a schematic structural diagram of a high-pressure gas tolerance test device according to the present invention;
FIG. 2 is a side view and a front view of a horizontal vessel in a high pressure gas resistance test apparatus according to the present invention; wherein, figure A is a side view of the horizontal vessel; FIG. B is a front view of the horizontal vessel;
reference numerals: 1. a base; 2. a horizontal vessel; 3. sealing the end; 4. a pressure gauge; 5. an intake valve; 6. a safety valve; 7. an air outlet valve; 8. a sewage draining outlet; 9. a vacuum pump; 10. controlling a valve instrument; 11. a pressurization and gas recovery device; 12. an air inlet of the booster pump; 13. an experimental standard gas tank; 14. a standard gas tank port; 15. a gas-fired device; 16. a pneumatic booster pump;
Detailed Description
In order to make the invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings:
as shown in fig. 1-2, the present invention provides a high-pressure gas tolerance test apparatus, which comprises a horizontal container 2, a vacuum pump 9, a pressurization and gas recovery system and a tail gas treatment apparatus; the horizontal container 2 is connected with a pressurization and gas recovery system; the horizontal container 2 is connected with a vacuum pump 9; the horizontal container 2 is connected with a tail gas treatment device; the horizontal container 2 is also provided with an inlet and an outlet for the sample to be detected to enter and exit the horizontal container, and the inlet and the outlet are provided with seal heads 3. The pressurization and gas recovery system comprises a pressurization and gas recovery device 11 and a control valve instrument 10; the pressurizing and gas recovering device 11 comprises a pressurizing pump and an experimental standard gas tank 13; the experimental standard gas tank 13 is connected with the horizontal container 2 through a booster pump. The supercharging and gas recovery device 11 is provided with a high-pressure reducing valve, an inverse gas stop valve and a one-way valve; and each connecting pipeline is independently provided with a pressure gauge. The booster pump is a pneumatic booster pump 16; the booster pump is provided with a reversing control valve for controlling automatic reciprocating motion and realizing high-low pressure conversion. The exhaust gas treatment device is a gas combustion device 15. The horizontal container 2 is provided with a pressure gauge 4, a safety valve 6, a sewage draining outlet 8 and a base 1 for supporting.
The invention relates to a test method of a high-pressure gas tolerance test device, which comprises the following steps:
step 1: placing a sample to be tested into a horizontal container 2, and sealing the horizontal container 2 through a seal head 3 at an inlet and an outlet;
step 2: starting a vacuum pump 9 to vacuumize the horizontal container 2 through an air outlet valve 7 on the horizontal container 2 until the interior of the horizontal container 2 is pumped to be nearly vacuum;
and step 3: when the horizontal container 2 is close to vacuum, the pressure gauge 4 on the horizontal container feeds pressure data back to the pressurization and gas recovery device 11, and the pressurization process starts at the moment;
and 4, step 4: in the pressurizing process, the experimental standard gas tank 13 is connected to the gas inlet 12 of the booster pump through a standard gas tank port 14 by a pipeline, and is connected to the gas inlet valve 5 on the horizontal container 2 through a gas outlet on the booster pump 16 by a pipeline; the booster pump 16 works, and when the set pressure in the horizontal container 2 is reached, the pressure maintaining test is started;
and 5: when the pressure maintaining process is finished, the pressurizing and gas recovering device 11 is started again, and the operation is completely opposite to the pressurizing process of the horizontal container 2 in the step 4 at the moment to recover the gas;
step 6: when the gas recovery is finished, the pressure gauge index of the horizontal container 2 gradually tends to be stable, and part of gas still remaining in the horizontal container 2 is ignited by the gas device 15 for tail gas treatment and is consumed;
and 7: sampling and performing diagnostic test.
As shown in fig. 1-2: a high-pressure gas tolerance test device comprises a base 1, a horizontal container 2 arranged on the base 1, a vacuumizing device, a pressurizing and gas recycling system and a tail gas treatment device; the horizontal container 2 is provided with an air outlet valve 7, an air inlet valve 5, a safety valve 6, a pressure gauge 4 and a drain outlet 8 right below the horizontal container besides the seal head 3, and a sealing ring is further arranged at the seal head 3. The vacuum pumping device is composed of a vacuum pump 9 connected with an air outlet valve 7 of the pressure container. The pressurizing and gas recovery system consists of a pressurizing and gas recovery device 11 and a control valve instrument 10, wherein the pressurizing and gas recovery device 11 consists of a pressurizing pump 16 connected to the air inlet valve 5 of the pressure container 2, a control system and an experimental standard gas tank 13, the experimental standard gas tank 13 is connected to the pressurizing pump 16 through a pipeline, an air outlet on the pressurizing pump 16 is connected to the horizontal container 2 through a pipeline, and all pipelines are connected through stainless steel pipes, so that the pressurizing and gas recovery system is attractive and durable. The pressurizing and gas recovering device is also provided with a high-pressure reducing valve, a gas-reversing stop valve and a one-way valve, and each pipeline is independently provided with a pressure gauge. The booster pump in the supercharging and gas recovery apparatus 11 is a pneumatic booster pump 16, and is driven by compressed air. The tail gas treatment device is composed of a gas device 15 and a gas outlet pipeline which are connected with the gas outlet valve 7 of the pressure container.
Examples
As shown in fig. 1-2, a high-pressure gas tolerance test device comprises a base 1, a horizontal container 2 mounted on the base, a vacuum-pumping device, a pressurizing and gas recovering device 11, a control valve instrument 10 and a tail gas treatment device; the horizontal container 2 is provided with an air outlet valve 7, an air inlet valve 5, a safety valve 6, a pressure gauge port 4 and a drain outlet 8 right below the horizontal container besides the seal head 3, and a sealing ring is further arranged at the seal head.
The vacuum pumping device is composed of a vacuum pump 9 connected to an air outlet valve 7 of the horizontal container 2, and after the sample to be tested is placed in the horizontal container and sealed, the vacuum pump 9 starts to perform a vacuum pumping process through the air outlet valve 7 until the sample is pumped to be near vacuum.
The pressurizing and gas recovery system consists of a pressurizing and gas recovery device 11 and a control valve instrument 10, wherein the pressurizing and gas recovery device 11 consists of a pressurizing pump 16 connected to the air inlet valve 5 of the pressure container 2 and an experimental standard gas tank 13. In the pressurizing process, the experimental standard gas tank 13 is connected to the gas inlet 12 of the booster pump through a standard gas tank port 14 by a pipeline, and is connected to the horizontal container gas inlet valve 5 through a gas outlet on the booster pump by a pipeline, and the gas recovery process is completely opposite to the gas recovery process. The pressurizing and gas recycling pipelines are connected by stainless steel pipes, so that the device is attractive and durable. And carrying out the vacuum pumping operation in the previous stage, feeding back the pressure gauge to the pressurization and gas recovery device 11 when the horizontal container 2 is close to vacuum, starting the pressurization process at the moment, and starting the pressure maintaining test after the set pressure is reached. The pressurizing and gas recovering device 11 is further provided with a high-pressure reducing valve, a gas-reversing stop valve, a check valve, and a pressure gauge separately arranged on each pipeline. The booster pump in the supercharging and gas recovery apparatus 11 is a pneumatic booster pump 16, and is driven by compressed air. When the pressure maintaining process is finished, the gas recovery device is started, which is completely opposite to the horizontal container pressurization process.
The tail gas treatment device is composed of a gas device 15 and an air outlet pipeline which are connected with an air outlet valve 7 of the horizontal container 2. When the gas recovery is finished, the pressure gauge index of the horizontal container 2 gradually tends to be stable, but part of gas still remains in the horizontal container 2, so that the invention has the advantages of avoiding environmental pollution and improving the safety of the invention, the designed tail gas treatment device consumes the residual gas in the horizontal container 2 in a mode of igniting the gas device 15, and then sampling is carried out for diagnostic test, namely a complete working process.
In conclusion, the high-pressure gas tolerance test device provided by the invention is a whole set of test system, has higher efficiency than the traditional pressure vessel pressure maintaining test, and also greatly avoids the waste of high-pressure gas and environmental pollution. When the high-pressure gas tolerance test device is used, a sample can be directly placed into the horizontal pressure container, and then the device is vacuumized, pressurized, kept for a certain time, recycled, sampled and measured, and has strong integrity and operability, so that the device is more convenient to use.
The pressurization and gas recovery system has a unique structure, and the pressurization pump is based on the compressed air of the external air compressor as a power source, so that the safety is ensured. Meanwhile, a reversing control valve in the booster pump can control the booster pump to automatically reciprocate, so that high-pressure and low-pressure conversion is realized. And the gas driving cavity and the gas compression cavity in the booster pump are isolated by the three-stage dynamic sealing device, so that the compressed gas is prevented from being polluted.
The horizontal container, the pressurization system, the vacuumizing device and the tail gas treatment device are separated and respectively arranged, and are only connected by a specific pipeline, so that the horizontal container is convenient to disassemble and transport, and meanwhile, the horizontal container, the pressurization system, the vacuumizing device and the tail gas treatment device can be matched with different high-pressure gas environments for pressure maintaining tests and tests.
The tail gas treatment device can utilize the gas device to ignite and consume the residual gas in the horizontal container after the gas recovery process is finished, thereby avoiding environmental pollution and directly improving the safety of the whole system.
While the invention has been described with respect to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. Those skilled in the art can make various changes, modifications and equivalent arrangements, which are equivalent to the embodiments of the present invention, without departing from the spirit and scope of the present invention, and which may be made by utilizing the techniques disclosed above; meanwhile, any changes, modifications and variations of the above-described embodiments, which are equivalent to those of the technical spirit of the present invention, are within the scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a high-pressure gas tolerates test device which characterized in that: comprises a horizontal container, a vacuum pump, a pressurization and gas recovery system and a tail gas treatment device; the horizontal container is connected with a pressurization and gas recovery system; the horizontal container is connected with a vacuum pump; the horizontal container is connected with a tail gas treatment device; the horizontal container is also provided with an inlet and an outlet for the sample to be detected to enter and exit the horizontal container, and the inlet and the outlet are provided with seal heads.
2. A high-pressure gas resistance test apparatus according to claim 1, wherein: the pressurization and gas recovery system comprises a pressurization and gas recovery device and a control valve instrument; the pressurizing and gas recovering device comprises a pressurizing pump and an experimental standard gas tank; the experimental standard gas tank is connected with the horizontal container through a booster pump.
3. A high-pressure gas resistance test apparatus according to claim 2, wherein: the supercharging and gas recovery device is provided with a high-pressure reducing valve, an inverse gas stop valve and a one-way valve; and each connecting pipeline is independently provided with a pressure gauge.
4. A high-pressure gas resistance test apparatus according to claim 3, wherein: the booster pump is a pneumatic booster pump; the booster pump is provided with a reversing control valve for controlling automatic reciprocating motion and realizing high-low pressure conversion.
5. The high-pressure gas resistance test apparatus according to claim 4, wherein: the tail gas treatment device is a gas device.
6. A high-pressure gas resistance test apparatus according to claim 5, wherein: the horizontal container is provided with a pressure gauge, a safety valve, a drain outlet and a base for supporting.
7. A test method of a high-pressure gas tolerance test device is characterized in that: the method comprises the following steps:
step 1: placing a sample to be tested into a horizontal container, and sealing the horizontal container through end sockets at an inlet and an outlet;
step 2: starting a vacuum pump to vacuumize the horizontal container through an air outlet valve on the horizontal container until the interior of the horizontal container is pumped to be nearly vacuum;
and step 3: when the horizontal container is close to vacuum, a pressure gauge on the horizontal container feeds pressure data back to the pressurization and gas recovery device, and the pressurization process starts at the moment;
and 4, step 4: in the pressurizing process, the experimental standard gas tank is connected to a gas inlet of the booster pump through a tank opening and a pipeline, and then is connected to a gas inlet valve on the horizontal container through a gas outlet on the booster pump and a pipeline; the booster pump works, and after the set pressure in the horizontal container is reached, the pressure maintaining test is carried out;
and 5: when the pressure maintaining process is finished, starting the pressurizing and gas recovering device again, and performing gas recovery by completely reversing the operation of the pressurizing process of the horizontal container in the step 4;
step 6: when the gas recovery is finished, the pressure gauge index of the horizontal container gradually tends to be stable, and part of gas still remaining in the horizontal container is ignited by a gas device for tail gas treatment and is consumed;
and 7: sampling and performing diagnostic test.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1700029A (en) * | 2005-04-26 | 2005-11-23 | 何平安 | Insulation gas voltage endurance testing method and testing device |
| CN201340329Y (en) * | 2009-01-07 | 2009-11-04 | 苏州赛华仪控有限公司 | Pressure testing device of power station valve |
| CN102004018A (en) * | 2010-10-20 | 2011-04-06 | 合肥通用机械研究院 | Helium pressurization and recovery system for valve low-temperature test |
| CN106482904A (en) * | 2015-08-25 | 2017-03-08 | 北京卫星环境工程研究所 | The leak detection pressurization recovery system of time-sharing multiplex |
| CN107543732A (en) * | 2016-09-14 | 2018-01-05 | 北京卫星环境工程研究所 | The malleation of electronics unit product lets out multiple pressure pilot system and test method |
| CN108008194A (en) * | 2017-08-17 | 2018-05-08 | 哈尔滨理工大学 | One kind is based on the adjustable solid insulating material high field intensity resistivity test system of Paschen's Law air pressure and its test method |
| CN108181202A (en) * | 2018-03-08 | 2018-06-19 | 国网安徽省电力有限公司电力科学研究院 | A kind of novel GIS SF6Density on-Line Monitor Device and system |
| CN109507513A (en) * | 2019-01-22 | 2019-03-22 | 成都西南交大机电设备有限公司 | Vacuum excrement collector system integration test bench |
| CN110108990A (en) * | 2019-05-10 | 2019-08-09 | 沈阳工业大学 | A kind of experimental rig and method for environmental-protective gas-insulating performance study |
-
2020
- 2020-11-11 CN CN202011251506.1A patent/CN112462217A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1700029A (en) * | 2005-04-26 | 2005-11-23 | 何平安 | Insulation gas voltage endurance testing method and testing device |
| CN201340329Y (en) * | 2009-01-07 | 2009-11-04 | 苏州赛华仪控有限公司 | Pressure testing device of power station valve |
| CN102004018A (en) * | 2010-10-20 | 2011-04-06 | 合肥通用机械研究院 | Helium pressurization and recovery system for valve low-temperature test |
| CN106482904A (en) * | 2015-08-25 | 2017-03-08 | 北京卫星环境工程研究所 | The leak detection pressurization recovery system of time-sharing multiplex |
| CN107543732A (en) * | 2016-09-14 | 2018-01-05 | 北京卫星环境工程研究所 | The malleation of electronics unit product lets out multiple pressure pilot system and test method |
| CN108008194A (en) * | 2017-08-17 | 2018-05-08 | 哈尔滨理工大学 | One kind is based on the adjustable solid insulating material high field intensity resistivity test system of Paschen's Law air pressure and its test method |
| CN108181202A (en) * | 2018-03-08 | 2018-06-19 | 国网安徽省电力有限公司电力科学研究院 | A kind of novel GIS SF6Density on-Line Monitor Device and system |
| CN109507513A (en) * | 2019-01-22 | 2019-03-22 | 成都西南交大机电设备有限公司 | Vacuum excrement collector system integration test bench |
| CN110108990A (en) * | 2019-05-10 | 2019-08-09 | 沈阳工业大学 | A kind of experimental rig and method for environmental-protective gas-insulating performance study |
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Application publication date: 20210309 |