Performance test system for gas booster pump

Abstract

The invention discloses a performance test system for a gas booster pump, and relates to the technical field of test systems.The performance test system for the gas booster pump comprises a buffer unit, a test unit, a first pressure detection piece, a second pressure detection piece and a third pressure detection piece, the buffer unit is used for storing gas, and the test unit forms a test cavity; the test unit is provided with a test unit inlet used for being communicated with a booster pump outlet of the gas booster pump, the first pressure detection piece is arranged on a communication path of the test unit inlet and the booster pump outlet, the second pressure detection piece is used for detecting the gas pressure in the buffer unit, and the third pressure detection piece is used for detecting the gas pressure in the test cavity. According to the performance testing system, the effect that the performance testing system simulates and tests the supercharging performance of the gas booster pump used in the nuclear fusion reaction device is achieved, and the accuracy and reliability of the testing result of the performance testing system are improved.

Description

Technical Field

[0001] This invention relates to the field of testing system technology, and in particular to a performance testing system for a gas booster pump. Background Technology

[0002] In related technologies, during the operation of existing nuclear fusion reactors, it is necessary to deliver reaction gas at a specific pressure to the reaction chamber. Existing nuclear fusion reactors require gas booster pumps capable of increasing the pressure of reaction gas from an initial pressure of less than 1 bar to greater than 1 bar. However, the pressure testing range of existing performance testing systems for gas booster pumps is incompatible with the pressure boosting range of gas booster pumps used in nuclear fusion reactions. Therefore, existing performance testing systems cannot accurately detect the performance parameters of gas booster pumps used in nuclear fusion reactions. Summary of the Invention

[0003] This invention aims to at least solve one of the technical problems existing in the prior art. Therefore, one object of this invention is to provide a performance testing system for a gas booster pump, which facilitates the comparison of the pressure of gas without boosting by the gas booster pump with the pressure of gas boosted by the gas booster pump. This also facilitates the simulation testing of the boosting performance of the gas booster pump used in a nuclear fusion reactor, and improves the accuracy and reliability of the test results.

[0004] According to an embodiment of the present invention, a performance testing system for a gas booster pump includes: a buffer unit, a testing unit, a first pressure detection element, a second pressure detection element, and a third pressure detection element. The buffer unit is used to store gas and has a buffer unit outlet for communicating with the booster pump inlet of the gas booster pump. The testing unit forms a testing chamber and has a testing unit inlet for communicating with the booster pump outlet of the gas booster pump. The testing unit inlet can communicate between the testing chamber and the booster pump outlet. The first pressure detection element is disposed on the communication path between the testing unit inlet and the booster pump outlet. The second pressure detection element is disposed in the buffer unit and is used to detect the gas pressure in the buffer unit. The third pressure detection element is disposed in the testing unit and is used to detect the gas pressure in the testing chamber.

[0005] The performance testing system for a gas booster pump according to the embodiments of this application, by setting a second pressure detection element and a third pressure detection element, and by comparing the gas pressure in the buffer unit and the gas pressure in the test chamber, facilitates the comparison of the pressure of gas that has not been boosted by the gas booster pump with the pressure of gas that has been boosted by the gas booster pump. This facilitates the simulation testing of the booster performance of the gas booster pump used in nuclear fusion reaction, facilitates the accurate detection of the performance parameters of the gas booster pump used in nuclear fusion reaction, and improves the accuracy and reliability of the test results of the performance testing system.

[0006] According to some embodiments of the present invention, both the second pressure detection element and the third pressure detection element include a composite vacuum gauge and a pressure gauge, wherein the pressure detection range of the composite vacuum gauge and the pressure detection range of the pressure gauge are different.

[0007] According to some embodiments of the present invention, the performance testing system further includes: a gas storage cylinder and an air intake unit, the air intake unit being connected between the gas storage cylinder and the buffer unit, and the air intake unit being used to control the on / off state of the gas storage cylinder and the buffer unit.

[0008] According to some embodiments of the present invention, the air intake unit includes: a first air intake branch and a second air intake branch, the first air intake branch and the second air intake branch being connected in parallel between the gas storage cylinder and the buffer unit, the first air intake branch being provided with a first sealing valve, and the second air intake branch being provided with a second sealing valve and a first flow regulating valve connected in series.

[0009] According to some embodiments of the present invention, the performance testing system further includes: a third sealing valve, the third sealing valve being disposed on the communication path between the inlet of the test unit and the outlet of the booster pump, and the third sealing valve being located on the communication path of the first pressure detection element.

[0010] According to some embodiments of the present invention, the performance testing system further includes a flow controller, which is disposed on the communication path between the buffer unit and the inlet of the booster pump.

[0011] According to some embodiments of the present invention, the performance testing system includes: an air outlet unit, the air outlet unit including a first air outlet branch, a second air outlet branch, and a suction pump, the first air outlet branch being connected between the suction pump and the buffer unit, the first air outlet branch being used to control the on / off state of the suction pump and the buffer unit, the second air outlet branch being connected between the suction pump and the test chamber, the second air outlet branch being used to control the on / off state of the suction pump and the test chamber.

[0012] According to some embodiments of the present invention, the first air outlet branch includes a first pipe and a first on / off valve, the first pipe is connected between the air pump and the buffer unit, the first on / off valve is disposed in the first pipe and is used to control the on / off state of the first pipe, and / or the second air outlet branch includes a second pipe and a second on / off valve, the second pipe is connected between the air pump and the test chamber, the second on / off valve is disposed in the second pipe and is used to control the on / off state of the second pipe.

[0013] According to some embodiments of the present invention, the performance testing system further includes: a fourth pressure detection element, and the air outlet unit further includes: an air outlet pipe, the air outlet pipe connecting the air pump and the first air outlet branch, and the air outlet pipe also connecting the air pump and the second air outlet branch, and the fourth pressure detection element is provided on the air outlet pipe.

[0014] According to some embodiments of the present invention, the performance testing system further includes an exhaust gas treatment unit, and the exhaust gas unit is connected to the exhaust gas treatment unit.

[0015] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0017] Figure 1 This is a schematic diagram of a performance testing system according to an embodiment of this application.

[0018] Figure label: Performance testing system 1 Buffer unit 10, buffer unit outlet 11, Test unit 20, test chamber 21, test unit inlet 22, First pressure sensing element 31, second pressure sensing element 32, third pressure sensing element 33, composite vacuum gauge 34, pressure gauge 35, fourth pressure sensing element 36. Gas cylinder 40, Intake unit 50, first intake branch 51, first sealing valve 511, second intake branch 52, second sealing valve 521, first flow regulating valve 522. Third sealing valve 60, Flow controller 71, temperature sensor 72, The system includes an exhaust unit 80, a first exhaust branch 81, a first pipe body 811, a first on / off valve 812, a second exhaust branch 82, a second pipe body 821, a second on / off valve 822, a vacuum pump 83, a molecular pump 831, a dry pump 832, and an exhaust pipe 84. Exhaust gas treatment unit 90, Gas booster pump 200, booster pump inlet 210, booster pump outlet 220. Detailed Implementation

[0019] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0020] The following is for reference. Figure 1 A performance testing system 1 for a gas booster pump 200 according to an embodiment of the present invention is described.

[0021] According to an embodiment of the present invention, a performance testing system 1 for a gas booster pump 200 is provided, such as... Figure 1 As shown, the performance testing system 1 for the gas booster pump 200 may include: a buffer unit 10, a testing unit 20, a first pressure detection element 31, a second pressure detection element 32, and a third pressure detection element 33. The buffer unit 10 is used to store gas and has a buffer unit outlet 11 for communicating with the booster pump inlet 210 of the gas booster pump 200. The testing unit 20 forms a testing chamber 21 and has a testing unit inlet 22 for communicating with the booster pump outlet 220 of the gas booster pump 200. The testing unit inlet 22 can communicate with the testing chamber 21 and the booster pump outlet 220. The first pressure detection element 31 is disposed on the communication path between the testing unit inlet 22 and the booster pump outlet 220. The second pressure detection element 32 is disposed in the buffer unit 10 and is used to detect the gas pressure in the buffer unit 10. The third pressure detection element 33 is disposed in the testing unit 20 and is used to detect the gas pressure in the testing chamber 21.

[0022] It should be noted that during the operation of existing nuclear fusion reactors, reactant gases at specific pressures need to be supplied to the reaction chamber. These reactors require gas booster pumps capable of increasing the pressure of the reactant gases, which initially have a pressure of less than 1 bar, to a pressure greater than 1 bar. The pressure testing range of existing performance testing systems for gas booster pumps is incompatible with the pressure boosting range of gas booster pumps used in nuclear fusion reactions. Therefore, existing performance testing systems cannot accurately detect the performance parameters of gas booster pumps used in nuclear fusion reactions.

[0023] Based on this, this application proposes a performance testing system 1 for a gas booster pump 200. The performance testing system 1 can be used to test the boosting performance of the gas booster pump 200 in a nuclear fusion reactor. The gas booster pump 200 can pressurize the gas to be tested to a target pressure. A buffer unit 10 can be used to store gas. The buffer unit 10 may include a buffer tank, and the gas can be stored in the buffer tank. The buffer unit 10 can be connected in series with the gas booster pump 200. The gas booster pump 200 may have a booster pump inlet 210, and the buffer unit 10 may have a buffer unit outlet 11. The buffer unit outlet 11 can be connected to the booster pump inlet 210, thereby achieving the effect of gas flowing from the buffer unit 10 to the gas booster pump 200. The pressure of the gas in the buffer unit 10 can be equal to the pressure of the gas introduced into the gas booster pump 200 during the nuclear fusion reaction, thus allowing the performance testing system 1 to simulate the working environment of the gas booster pump 200 in a nuclear fusion reaction.

[0024] The test unit 20 can be connected in series with the gas booster pump 200. The test unit 20 can form a test chamber 21, which can be used to hold the gas pressurized by the gas booster pump 200. The gas booster pump 200 can have a booster pump outlet 220, and the test unit 20 can have a test unit inlet 22. The test unit inlet 22 can be connected to the booster pump outlet 220, and the test unit inlet 22 can connect the test chamber 21 and the booster pump outlet 220, so that the gas pressurized by the gas booster pump 200 can enter the test chamber 21 through the booster pump outlet 220 and the test unit inlet 22. The first pressure detection element 31 can be located on the connecting path between the test unit inlet 22 and the booster pump outlet 220, that is, the first pressure detection element 31 can be located between the test unit inlet 22 and the booster pump outlet 220. The first pressure detection element 31 can be used to detect the gas pressure on the connecting path between the test unit inlet 22 and the booster pump outlet 220, which helps to reduce the probability of air leakage on the connecting path between the test unit inlet 22 and the booster pump outlet 220, and helps to improve the reliability of the performance testing system 1.

[0025] The second pressure detection element 32 can be located in the buffer unit 10. The second pressure detection element 32 can be used to detect the gas pressure within the buffer unit 10. By reading the detection information from the second pressure detection element 32, it is beneficial to ensure that the gas pressure within the buffer unit 10 can simulate the initial pressure of the gas introduced into the gas booster pump 200 during a nuclear fusion reaction. The third pressure detection element 33 can be located in the test unit 20. The gas pressurized by the gas booster pump 200 flows into the test chamber 21. The third pressure detection element 33 can be used to detect the gas pressure within the test chamber 21. By reading the detection information from the third pressure detection element 33, it is beneficial to detect whether the gas booster pump 200 has increased the pressure of the gas to be tested to the target pressure, thus facilitating the testing of the pressurization performance of the gas booster pump 200.

[0026] The pressure of the gas in the buffer unit 10 of the performance testing system 1 in this application can be equal to the pressure of the gas introduced into the gas booster pump 200 in the nuclear fusion reaction. The gas in the buffer unit 10 is pressurized by the gas booster pump 200 and enters the testing unit 20. By reading the detection information of the third pressure detection element 33, it is possible to determine whether the gas pressure in the testing unit 20 has increased to the specific pressure value required for the reaction gas in the nuclear fusion reaction. The gas booster pump 200 in the existing nuclear fusion reactor needs to boost the pressure of the reaction gas with an initial pressure of less than 1 bar to greater than 1 bar. That is, the performance testing system 1 of this application can be used to detect whether the corresponding gas booster pump 200 can boost the pressure of the gas with an initial pressure of less than 1 bar to greater than 1 bar. The pressure testing range of the performance testing system 1 of this application is compatible with the gas booster pump 200 in the nuclear fusion reaction, which is beneficial to achieving the effect of simulating the boosting performance of the gas booster pump 200 used in the nuclear fusion reaction and to achieving the effect of accurately detecting the performance parameters of the gas booster pump 200 used in the nuclear fusion reaction.

[0027] In this embodiment, by setting a second pressure detection element 32 and a third pressure detection element 33, and by comparing the gas pressure in the buffer unit 10 and the gas pressure in the test chamber 21, it is beneficial to compare the pressure of the gas that has not been pressurized by the gas booster pump 200 with the pressure of the gas that has been pressurized by the gas booster pump 200. This is beneficial to the performance testing system 1 in simulating the pressurization performance of the gas booster pump 200 used in the nuclear fusion reaction, and in accurately detecting the performance parameters of the gas booster pump 200 used in the nuclear fusion reaction. This is beneficial to improving the accuracy and reliability of the test results of the performance testing system 1.

[0028] As an example, during the operation of a nuclear fusion reactor, it is necessary to precisely deliver reaction gases at specific pressures to the reaction chamber. These reaction gases can be hydrogen isotope gases such as deuterium and tritium. Due to the characteristics of hydrogen isotope gases, the initial pressure of the reaction gas during transport is typically less than 1 bar. However, the reaction gas needs to reach a specific operating pressure when entering the reaction chamber. Existing nuclear fusion reactors require the gas booster pump 200 to have a boosting capacity greater than 1 bar, meaning the maximum measurement range of the third pressure sensor 33 needs to be greater than 1 bar. Here, 1 bar = 1... 10 5 Pa.

[0029] As an example, the first pressure sensing element 31 may include a pressure gauge 35, and the pressure sensing range of the first pressure sensing element 31 may be 0Pa-1.5MPa.

[0030] In some embodiments of the present invention, such as Figure 1 As shown, both the second pressure detection element 32 and the third pressure detection element 33 include a composite vacuum gauge 34 and a pressure gauge 35. The pressure detection range of the composite vacuum gauge 34 and the pressure detection range of the pressure gauge 35 are different.

[0031] The second pressure detection element 32 and the third pressure detection element 33 can have the same structure. Both the second pressure detection element 32 and the third pressure detection element 33 can include a composite vacuum gauge 34 and a pressure gauge 35. The pressure detection range of the composite vacuum gauge 34 and the pressure detection range of the pressure gauge 35 are different. The composite vacuum gauge 34 and the pressure gauge 35 can cooperate with each other, which is beneficial to increase the pressure detection range of the second pressure detection element 32 and the third pressure detection element 33, and is beneficial to further improve the accuracy and reliability of the test results of the performance testing system 1.

[0032] As an example, the pressure detection range of the composite vacuum gauge 34 can be 10. -8 Pa-10 5 The pressure detection range of the pressure gauge 35 can be 0Pa-1.5MPa. The composite vacuum gauge 34 and the pressure gauge 35 can cooperate with each other so that the second pressure detection element 32 and the third pressure detection element 33 can both cover the pressure range from ultra-high vacuum to high pressure, which is beneficial to increasing the pressure detection range of the second pressure detection element 32 and the third pressure detection element 33.

[0033] In some embodiments of the present invention, such as Figure 1 As shown, the performance testing system 1 may also include: a gas storage cylinder 40 and an air intake unit 50. The air intake unit 50 is connected between the gas storage cylinder 40 and the buffer unit 10, and is used to control the on / off state of the gas storage cylinder 40 and the buffer unit 10.

[0034] The gas used for performance testing of the gas booster pump 200 can be stored in a gas cylinder 40. An intake unit 50 can be connected between the gas cylinder 40 and the buffer unit 10. Gas in the gas cylinder 40 can enter the buffer unit 10 through the intake unit 50, thus providing gas for the performance testing of the gas booster pump 200. The intake unit 50 can control the connection between the gas cylinder 40 and the buffer unit 10. When gas needs to be added to the buffer unit 10, the intake unit 50 can connect the gas cylinder 40 and the buffer unit 10, allowing gas from the gas cylinder 40 to flow into the buffer unit 10. When gas does not need to be added to the buffer unit 10, the intake unit 50 can disconnect the connection, which allows for adjusting the gas flow into the buffer unit 10 according to actual conditions, improving the reliability of the performance testing system 1.

[0035] In some embodiments of the present invention, such as Figure 1 As shown, the air intake unit 50 may include: a first air intake branch 51 and a second air intake branch 52. The first air intake branch 51 and the second air intake branch 52 are connected in parallel between the gas storage cylinder 40 and the buffer unit 10. The first air intake branch 51 is provided with a first sealing valve 511, and the second air intake branch 52 is provided with a second sealing valve 521 and a first flow regulating valve 522 connected in series.

[0036] Both the first intake branch 51 and the second intake branch 52 can be connected between the gas cylinder 40 and the buffer unit 10, and are connected in parallel. The first intake branch 51 can be used to control the on / off state of the gas cylinder 40 and the buffer unit 10. A first sealing valve 511 can be provided on the first intake branch 51. By controlling the opening and closing of the first sealing valve 511, the on / off state of the gas cylinder 40 and the buffer unit 10 can be effectively controlled. The second intake branch 52 can also be used to control the on / off state of the gas cylinder 40 and the buffer unit 10. A second sealing valve 521 and a first flow regulating valve 522 are connected in series on the second intake branch 52. By controlling the opening and closing of the second sealing valve 521, the on / off state of the gas cylinder 40 and the buffer unit 10 can be effectively controlled. Furthermore, the first flow regulating valve 522 can be used to regulate the gas flow rate in the second intake branch 52. When the second sealing valve 521 is open and gas flows through the second intake branch 52, adjusting the first flow regulating valve 522 can help regulate the flow rate of gas flowing into the buffer unit 10 through the second intake branch 52, which helps ensure that the gas pressure in the buffer unit 10 meets the requirements of performance testing.

[0037] When the gas pressure in the buffer unit 10 needs to simulate the initial pressure of the gas introduced into the gas booster pump 200 in a nuclear fusion reaction, the first sealing valve 511 and the second sealing valve 521 are opened in sequence. When the second sealing valve 521 is opened, the first flow regulating valve 522 is adjusted. At the same time, the detection information of the second pressure detection element 32 is read. This helps to achieve the effect of accurately adjusting the gas pressure in the buffer unit 10 and further improves the reliability of the performance testing system 1.

[0038] As an example, when the gas pressure entering the buffer unit 10 needs to be 0.5 bar, the first sealing valve 511 can be opened first to allow the gas in the gas cylinder 40 to flow into the buffer unit 10 through the first inlet branch 51. When the gas pressure in the buffer unit 10 is about to rise to 0.45 bar, the first sealing valve 511 is closed, the second sealing valve 521 is opened, and the first flow regulating valve 522 is adjusted to control the flow rate of the gas flowing into the buffer unit 10 through the second inlet branch 52. When the gas pressure in the buffer unit 10 slowly rises to 0.5 bar, the second sealing valve 521 is closed.

[0039] As an example, both the first sealing valve 511 and the second sealing valve 521 can be constructed as bellows sealing valves, which is beneficial to improving the sealing performance of the first intake branch 51 and the second intake branch 52, reducing the probability of air leakage in the intake unit 50, and further improving the reliability of the performance testing system 1.

[0040] As an example, the first flow regulating valve 522 can be a needle valve. The needle valve can precisely control the flow rate or pressure of the fluid through the slight displacement of the valve core, which is beneficial to achieving the effect of precisely regulating the flow rate of the gas flowing into the buffer unit 10 through the second air intake branch 52.

[0041] In some embodiments of the present invention, such as Figure 1 As shown, the performance testing system 1 may further include: a third sealing valve 60, which is located on the communication path between the test unit inlet 22 and the booster pump outlet 220, and is located on the communication path of the first pressure detection element 31.

[0042] The third sealing valve 60 can be located on the communication path between the test unit inlet 22 and the booster pump outlet 220, and can be positioned between the test unit inlet 22 and the gas booster pump 200. The third sealing valve 60 can be used to control the opening and closing of the communication path between the test unit inlet 22 and the booster pump outlet 220. Furthermore, the third sealing valve 60 is located on the communication path of the first pressure detection element 31, meaning it can be positioned between the first pressure detection element 31 and the test unit inlet 22. The first pressure detection element 31 can detect the gas pressure passing through the third sealing valve 60. When the third sealing valve 60 is closed, the first pressure detection element 31 can detect the gas pressure at the booster pump outlet 220, which is beneficial for initially detecting whether the gas booster pump 200 has increased the pressure of the gas to the target pressure. When the third sealing valve 60 is open, the gas flowing out of the booster pump outlet 220 can flow into the test chamber 21, which is beneficial for further realizing the effect of the performance testing system 1 in testing the boosting performance of the gas booster pump 200.

[0043] As an example, the third sealing valve 60 can be constructed as a bellows sealing valve, which is beneficial to improving the sealing performance of the connection path between the test unit inlet 22 and the booster pump outlet 220, reducing the probability of air leakage in the connection path between the test unit inlet 22 and the booster pump outlet 220, and further improving the reliability of the performance test system 1.

[0044] In some embodiments of the present invention, such as Figure 1 As shown, the performance testing system 1 may also include a flow controller 71, which is located on the communication path between the buffer unit 10 and the booster pump inlet 210.

[0045] The flow controller 71 can be located on the connection path between the buffer unit 10 and the booster pump inlet 210. The flow controller 71 can be located between the buffer unit 10 and the gas booster pump 200. The flow controller 71 can be used to control the gas flow rate from the buffer unit 10 to the gas booster pump 200, so that the performance test system 1 can test the boosting efficiency, pressure stability and other parameters of the gas booster pump 200 under different control of the gas flow rate input to the gas booster pump 200. This is beneficial to improving the breadth of performance testing of the gas booster pump 200 and further improving the reliability of the performance test system 1.

[0046] As an example, the gas pressure within the buffer unit 10 is set to a constant value, and the gas flow rate input to the gas booster pump 200 is adjusted by regulating the opening of the flow controller 71. Multiple different flow gradients are set, and the gas booster pump 200 is activated for each flow gradient, thus performing multiple boosting performance tests on the gas booster pump 200. During each test, the detection information of the first pressure sensor 31 and the third pressure sensor 33 is recorded, thereby analyzing parameters such as the boosting efficiency and pressure stability of the gas booster pump 200 under different flow conditions. This establishes a coupling relationship model between gas flow rate and the boosting capacity of the gas booster pump 200, which helps to further improve the accuracy and reliability of the test results of the performance testing system 1 and provides data support for the optimized design of the gas booster pump 200.

[0047] In some embodiments of the present invention, such as Figure 1 As shown, the performance testing system 1 may include: an air outlet unit 80, which includes a first air outlet branch 81, a second air outlet branch 82, and a vacuum pump 83. The first air outlet branch 81 is connected between the vacuum pump 83 and the buffer unit 10 and is used to control the on / off state of the vacuum pump 83 and the buffer unit 10. The second air outlet branch 82 is connected between the vacuum pump 83 and the test chamber 21 and is used to control the on / off state of the vacuum pump 83 and the test chamber 21.

[0048] The gas outlet unit 80 may include a first gas outlet branch 81, a second gas outlet branch 82, and a vacuum pump 83. The first gas outlet branch 81 may be connected between the vacuum pump 83 and the buffer unit 10. The first gas outlet branch 81 may be used to control the on / off state of the vacuum pump 83 and the buffer unit 10. When the buffer unit 10 is used to participate in the performance test of the gas booster pump 200, the vacuum pump 83 and the buffer unit 10 are disconnected, and the first gas outlet branch 81 may disconnect the vacuum pump 83 and the buffer unit 10. When the performance test of the gas booster pump 200 is completed and the gas to be tested needs to be discharged from the performance test system 1, the vacuum pump 83 and the buffer unit 10 may be connected, and the first gas outlet branch 81 may connect the vacuum pump 83 and the buffer unit 10. The vacuum pump 83 may then operate and evacuate the remaining gas in the buffer unit 10.

[0049] The second exhaust branch 82 can be connected between the vacuum pump 83 and the test chamber 21. The second exhaust branch 82 can control the on / off connection between the vacuum pump 83 and the test chamber 21. When the test chamber 21 is used for performance testing of the gas booster pump 200, the vacuum pump 83 and the test chamber 21 are disconnected, and the second exhaust branch 82 can disconnect the vacuum pump 83 and the test chamber 21. After the performance test of the gas booster pump 200 is completed, when the gas to be tested needs to be discharged from the performance testing system 1, the vacuum pump 83 and the test chamber 21 can be connected, and the second exhaust branch 82 can connect the vacuum pump 83 and the test chamber 21, allowing the vacuum pump 83 to operate and evacuate the remaining gas in the test chamber 21. By setting up the vacuum pump 83, the performance testing system 1 can be used in different working stages, which helps to further improve the reliability of the performance testing system 1.

[0050] As an example, when the vacuum pump 83 is connected to the buffer unit 10 to extract the gas in the buffer unit 10, the detection information of the second pressure detection element 32 can be read to confirm whether the gas in the buffer unit 10 has been evacuated.

[0051] As an example, when the vacuum pump 83 is connected to the test chamber 21 to extract the gas in the test chamber 21, the detection information of the third pressure detection element 33 can be read to confirm whether the gas in the test chamber 21 has been evacuated.

[0052] In some embodiments of the present invention, such as Figure 1 As shown, the first air outlet branch 81 includes a first pipe body 811 and a first on / off valve 812. The first pipe body 811 is connected between the air pump 83 and the buffer unit 10. The first on / off valve 812 is located in the first pipe body 811 and is used to control the opening and closing of the first pipe body 811. And / or the second air outlet branch 82 includes a second pipe body 821 and a second on / off valve 822. The second pipe body 821 is connected between the air pump 83 and the test chamber 21. The second on / off valve 822 is located in the second pipe body 821 and is used to control the opening and closing of the second pipe body 821.

[0053] The first air outlet branch 81 may include a first pipe body 811 and a first on / off valve 812, or the second air outlet branch 82 may include a second pipe body 821 and a second on / off valve 822, or the first air outlet branch 81 may include a first pipe body 811 and a first on / off valve 812, and the second air outlet branch 82 may include a second pipe body 821 and a second on / off valve 822. In this embodiment, the first air outlet branch 81 includes a first pipe body 811 and a first on / off valve 812, and the second air outlet branch 82 includes a second pipe body 821 and a second on / off valve 822, as an example for illustration.

[0054] The first air outlet branch 81 may include a first pipe body 811 and a first on / off valve 812. The first pipe body 811 may be connected between the suction pump 83 and the buffer unit 10. The first pipe body 811 may connect the suction pump 83 and the buffer unit 10, or it may not connect the suction pump 83 and the buffer unit 10. The first on / off valve 812 may be located on the first pipe body 811. By controlling the opening and closing of the first on / off valve 812, it is beneficial to control the on / off state of the first pipe body 811. When the buffer unit 10 is used to participate in the performance testing of the gas booster pump 200, the first on / off valve 812 is closed, and the first pipe body 811 may disconnect the suction pump 83 and the buffer unit 10. When the performance test of the gas booster pump 200 is completed, and the gas to be tested needs to be discharged from the performance test system 1, the first on / off valve 812 is opened, and the first pipe 811 can connect the vacuum pump 83 and the buffer unit 10. The vacuum pump 83 can work and can evacuate the remaining gas in the buffer unit 10.

[0055] The second air outlet branch 82 may include a second pipe body 821 and a second on / off valve 822. The second pipe body 821 may be connected between the suction pump 83 and the test chamber 21. The second pipe body 821 may connect the suction pump 83 and the test chamber 21, or it may not connect the suction pump 83 and the test chamber 21. The second on / off valve 822 may be located in the second pipe body 821. By controlling the opening and closing of the second on / off valve 822, it is beneficial to control the on / off state of the second pipe body 821. When the test chamber 21 is used to participate in the performance testing of the gas booster pump 200, the second on / off valve 822 is closed, and the second pipe body 821 can disconnect the suction pump 83 and the test chamber 21. When the performance test of the gas booster pump 200 is completed, and the gas to be tested needs to be discharged from the performance test system 1, the second on / off valve 822 is opened, and the second pipe 821 can connect the vacuum pump 83 and the test chamber 21. The vacuum pump 83 can work and can evacuate the remaining gas in the test chamber 21.

[0056] In some embodiments of the present invention, such as Figure 1 As shown, the performance testing system 1 may also include: a fourth pressure detection element 36, and the air outlet unit 80 may also include: an air outlet pipe 84, the air outlet pipe 84 is connected to the air pump 83 and the first air outlet branch 81, and the air outlet pipe 84 is also connected to the air pump 83 and the second air outlet branch 82, and the fourth pressure detection element 36 is provided on the air outlet pipe 84.

[0057] The exhaust pipe 84 can connect the vacuum pump 83 and the first exhaust branch 81. The exhaust pipe 84 can also connect the vacuum pump 83 and the second exhaust branch 82. The first exhaust branch 81 and the second exhaust branch 82 can be connected in parallel and then connected to the exhaust pipe 84. This facilitates the vacuum pump 83 drawing gas from both the buffer unit 10 and the test chamber 21 to the exhaust pipe 84. The exhaust pipe 84 is equipped with a fourth pressure detection element 36, which can be used to detect the gas pressure in the exhaust pipe 84. By reading the detection information from the fourth pressure detection element 36, it is beneficial to monitor the vacuum pump 83's pumping effect in real time, improve the reliability of the vacuum pump 83 during pumping, and further enhance the reliability of the performance testing system 1.

[0058] As an example, the vacuum pump 83 may include a dry pump 832 and a molecular pump 831. The dry pump 832 and the molecular pump 831 can be used together, which helps to increase the working range of the vacuum pump 83 and improve its practicality.

[0059] As an example, the fourth pressure sensing element 36 can be configured as a composite vacuum gauge 34, and the pressure sensing range of the fourth pressure sensing element 36 can be 10. -8 Pa-10 5 Pa, the fourth pressure sensor 36 can measure the gas pressure in the outlet pipe 84 when the air pump 83 is pumping air.

[0060] In some embodiments of the present invention, the performance testing system 1 may further include: an exhaust gas treatment unit 90, and an exhaust gas unit 80 connected to the exhaust gas treatment unit 90.

[0061] The exhaust unit 80 can be connected to the exhaust gas treatment unit 90. After the performance test is completed, the exhaust unit 80 can pump the residual gas in the performance test system 1 to the exhaust gas treatment unit 90. The exhaust gas treatment unit 90 can achieve harmless treatment of the exhaust gas and compliant emission.

[0062] As an example, before conducting performance testing on the gas booster pump 200, the performance testing system 1 needs to perform a sealing test. First, the first on / off valve 812 and the second on / off valve 822 are closed, and the first sealing valve 511, the second sealing valve 521, and the third sealing valve 60 are opened. Gas from the gas storage cylinder 40 flows into the buffer unit 10. By reading the detection information from the first pressure detection element 31, the second pressure detection element 32, and the third pressure detection element 33, when the gas pressure in the buffer unit 10, the gas pressure along the connection path between the test unit inlet 22 and the booster pump outlet 220, and the gas pressure in the test chamber 21 all reach 10 bar, the first sealing valve 511 and the second sealing valve 521 are closed, and the pressure is maintained for 24 hours. After 24 hours, the detection information from the first pressure detection element 31, the second pressure detection element 32, and the third pressure detection element 33 is read. If the change in the detection information of the first pressure detection element 31, the second pressure detection element 32, and the third pressure detection element 33 is less than 2%, then the sealing performance of the performance testing system 1 for the gas booster pump 200 is qualified.

[0063] As an example, the performance testing system 1 for the gas booster pump 200 according to an embodiment of this application can be used to test the boosting performance of the gas booster pump 200. First, the vacuum pump unit is started to extract the gas in the test chamber 21, so that the gas pressure in the test chamber 21 is less than or equal to 10. -6 Pa. Close the first on / off valve 812, the second on / off valve 822, the flow controller 71, and the gas booster pump 200. Open the first sealing valve 511 to introduce hydrogen isotope gas, such as deuterium, into the buffer unit 10. Read the detection information of the second pressure detection element 32. When the gas pressure in the buffer unit 10 is about to rise to 0.45 bar, close the first sealing valve 511, open the second sealing valve 521, and adjust the first flow regulating valve 522 to control the flow rate of gas flowing into the buffer unit 10 through the second air inlet branch 52 until the gas pressure in the buffer unit 10 slowly rises to 0.5 bar. Then close the second sealing valve 521. Open the flow controller 71 and the gas booster pump 200. The gas booster pump 200 pressurizes the gas in the gas booster pump 200. Read the detection information of the first pressure detection element 31 and the third pressure detection element 33 to obtain the changes in the detection information of the first pressure detection element 31 and the third pressure detection element 33, and complete the pressurization performance test of the gas booster pump 200.

[0064] As an example, the gas pressure in buffer unit 10 was changed multiple times to test the pressurization performance of gas booster pump 200. First, during each test, the vacuum pump was activated to extract gas from test chamber 21, ensuring the gas pressure in test chamber 21 was less than or equal to 10. -6At pressure Pa, the first on / off valve 812, the second on / off valve 822, the flow controller 71, and the gas booster pump 200 are closed. The first sealing valve 511 is opened to introduce hydrogen isotope gas, such as deuterium, into the buffer unit 10. The gas pressure in the buffer unit 10 is controlled at five gradients: 0.1 bar, 0.3 bar, 0.5 bar, 0.7 bar, and 0.9 bar. The flow controller 71 and the gas booster pump 200 are opened, and the gas booster pump 200 pressurizes the gas inside. The detection information of the first pressure detection element 31 and the third pressure detection element 33 is read to obtain the changes in the detection information of the first pressure detection element 31 and the third pressure detection element 33. The boosting performance test of the gas booster pump 200 under different gas pressure conditions in the buffer unit 10 is completed, and the influence law of the gas pressure in the buffer unit 10 on the boosting capacity of the gas booster pump 200 is analyzed.

[0065] As an example, with the gas pressure within the buffer unit 10 kept constant, the pressurization performance of the gas booster pump 200 is tested by varying the gas flow rate supplied to it. The gas pressure within the buffer unit 10 is set to 0.5 bar, and the gas flow rate input to the gas booster pump 200 is adjusted by regulating the opening of the flow controller 71. Five different flow gradients are set, and the gas booster pump 200 is activated for each flow gradient, resulting in five pressurization performance tests. During each test, the detection information from the first pressure sensor 31 and the third pressure sensor 33 is recorded. This allows for analysis of parameters such as pressurization efficiency and pressure stability of the gas booster pump 200 under different flow conditions, establishing a coupling relationship model between gas flow rate and the pressurization capacity of the gas booster pump 200.

[0066] As an example, the performance testing system 1 for the gas booster pump 200 in this application embodiment can be used to test the pumping performance of the gas booster pump 200. The first on / off valve 812, the second on / off valve 822, the first sealing valve 511, the second sealing valve 521, and the third sealing valve 60 are closed, and the gas booster pump 200 is started to continuously pump air from the buffer unit 10. The vacuum change data within the buffer unit 10 is recorded in real time by reading the detection information from the second pressure detection element 32. Combined with the volume of the buffer unit 10, the pumping rate and pumping capacity stability of the gas booster pump 200 are calculated.

[0067] As an example, the performance testing system 1 for the gas booster pump 200 in this application embodiment can be used to test the long-term stable operation performance of the gas booster pump 200. The gas pressure in the buffer unit 10 is set to 0.5 bar. The opening of the flow controller 71 is fixed to keep the gas flow rate into the gas booster pump 200 constant. The gas to be tested is continuously injected into the gas booster pump 200, and the gas booster pump 200 is started and run continuously for 1000 hours. During this period, the detection information of the first pressure detection element 31, the third pressure detection element 33, and the temperature sensor 72 is recorded in real time. The system monitors the stability of the boosting capacity, operating temperature changes, and fault conditions of the gas booster pump 200 under long-term operating conditions, and evaluates its long-term operational reliability.

[0068] As an example, after the performance testing of the gas booster pump 200, the performance testing system 1 needs to discharge the gas within it. After the test, the gas booster pump 200 and flow controller 71 are shut off, the first on / off valve 812 and the second on / off valve 822 are opened, and the vacuum pump 83 is started to extract the residual gas from the performance testing system 1. The residual gas is then introduced into the exhaust gas treatment unit 90 for purification treatment and discharged only after meeting the standards, thus completing the test.

[0069] Other configurations and operations of the performance testing system 1 for a gas booster pump 200 according to embodiments of the present invention are known to those skilled in the art and will not be described in detail here.

[0070] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0071] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A performance testing system for a gas booster pump, characterized by, The performance test system (1) comprises: a buffer unit (10) for storing gas, the buffer unit (10) having a buffer unit gas outlet (11) for communicating with a booster pump inlet (210) of a gas booster pump (200); a test unit (20) formed with a test cavity (21), the test unit (20) having a test unit inlet (22) for communicating with a booster pump outlet (220) of the gas booster pump (200), and the test unit inlet (22) being able to communicate the test cavity (21) and the booster pump outlet (220); a first pressure detection member (31) arranged on a communication path of the test unit inlet (22) and the booster pump outlet (220); a second pressure detection member (32) arranged on the buffer unit (10), the second pressure detection member (32) being used for detecting the gas pressure in the buffer unit (10); a third pressure detection member (33) arranged on the test unit (20), the third pressure detection member (33) being used for detecting the gas pressure in the test cavity (21).

2. The performance test system for a gas boost pump of claim 1, wherein, The second pressure detection member (32) and the third pressure detection member (33) each comprise a compound vacuum gauge (34) and a pressure gauge (35), the pressure detection range of the compound vacuum gauge (34) and the pressure detection range of the pressure gauge (35) being different.

3. The performance test system for a gas boost pump of claim 1, wherein, The performance test system (1) further comprises a gas storage cylinder (40) and a gas inlet unit (50), the gas inlet unit (50) being connected between the gas storage cylinder (40) and the buffer unit (10), and the gas inlet unit (50) being used for controlling the on-off of the gas storage cylinder (40) and the buffer unit (10).

4. The performance test system for a gas boost pump of claim 3, wherein, The gas inlet unit (50) comprises a first gas inlet branch (51) and a second gas inlet branch (52), the first gas inlet branch (51) and the second gas inlet branch (52) being connected in parallel between the gas storage cylinder (40) and the buffer unit (10), a first sealing valve (511) being arranged on the first gas inlet branch (51), and a second sealing valve (521) and a first flow regulating valve (522) being arranged in series on the second gas inlet branch (52).

5. The performance test system for a gas boost pump of claim 1, wherein, The performance test system (1) further comprises a third sealing valve (60), the third sealing valve (60) being arranged on the communication path of the test unit inlet (22) and the booster pump outlet (220), and the third sealing valve (60) being located on the communication path of the first pressure detection member (31).

6. The performance testing system for a gas boost pump of claim 1, wherein, The performance test system (1) further comprises a flow controller (71), the flow controller (71) being arranged on the communication path of the buffer unit (10) and the booster pump inlet (210).

7. The performance testing system for a gas boost pump of any one of claims 1-6, wherein, The performance test system (1) comprises: an air outlet unit (80), the air outlet unit (80) comprises a first air outlet branch (81), a second air outlet branch (82) and an air pump (83), the first air outlet branch (81) is connected between the air pump (83) and the buffer unit (10), the first air outlet branch (81) is used for controlling the on-off of the air pump (83) and the buffer unit (10), the second air outlet branch (82) is connected between the air pump (83) and the test cavity (21), and the second air outlet branch (82) is used for controlling the on-off of the air pump (83) and the test cavity (21).

8. The performance testing system for a gas boost pump of claim 7, wherein, The first air outlet branch (81) comprises a first pipe body (811) and a first on-off valve (812), the first pipe body (811) is connected between the air pump (83) and the buffer unit (10), and the first on-off valve (812) is arranged on the first pipe body (811) and is used for controlling the on-off of the first pipe body (811); and / or The second air outlet branch (82) comprises a second pipe body (821) and a second on-off valve (822), the second pipe body (821) is connected between the air pump (83) and the test cavity (21), and the second on-off valve (822) is arranged on the second pipe body (821) and is used for controlling the on-off of the second pipe body (821).

9. The performance testing system for a gas boost pump of claim 7, wherein, The performance test system (1) further comprises: a fourth pressure detection member (36), the air outlet unit (80) further comprises: an air outlet pipe (84), the air outlet pipe (84) communicates the air pump (83) and the first air outlet branch (81), and the air outlet pipe (84) also communicates the air pump (83) and the second air outlet branch (82), and the fourth pressure detection member (36) is arranged on the air outlet pipe (84).

10. The performance testing system for a gas boost pump of claim 7, wherein, The performance test system (1) further comprises: a tail gas treatment unit (90), and the air outlet unit (80) communicates with the tail gas treatment unit (90).

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