A high pressure vessel testing system

Abstract

This invention relates to the field of high-pressure fluid testing technology, specifically to a high-pressure vessel testing system. The high-pressure vessel testing system includes a high-pressure inlet pipe, a first test pipe, a second test pipe, and a gas guide pipe. The first test pipe is connected at both ends to the high-pressure inlet pipe and a first test vessel, respectively. The second test pipe is connected at both ends to the high-pressure inlet pipe and a second test vessel, respectively. The high-pressure inlet pipe is used to deliver gas at a first preset pressure to either the first or second test vessel. The gas guide pipe is used to guide the gas in the first test vessel to the second test vessel after the first test vessel has been tested; or, the gas guide pipe is used to guide the gas in the second test vessel to the first test vessel after the second test vessel has been tested. This high-pressure vessel testing system can reduce energy and medium waste during the testing process and reduce consumption, thereby lowering testing costs.

Description

Technical Field

[0001] This invention relates to the field of high-pressure fluid testing technology, and more specifically, to a high-pressure vessel testing system. Background Technology

[0002] The gas tightness test of high-pressure gas cylinders involves a large amount of gas consumption and energy consumption. For example, the gas tightness test of hydrogen cylinders requires the use of air-free gas. In addition to the large gas consumption, the test also requires the use of gases that do not contain combustion-supporting gases, such as nitrogen. The high-pressure gas in the test cylinder is directly discharged into the atmosphere, which is not only a waste of energy but also a waste of relatively expensive media. Summary of the Invention

[0003] The objectives of this invention include, for example, providing a high-pressure vessel testing system that can reduce energy and media waste during the testing process and reduce consumption by reusing the medium inside the tested vessel and making reasonable use of the tested gas cylinder, thereby reducing testing costs.

[0004] The embodiments of the present invention can be implemented as follows:

[0005] In a first aspect, the present invention provides a high-pressure vessel testing system, which includes a high-pressure inlet pipe, a first test pipe, a second test pipe, and a gas guide pipe.

[0006] The two ends of the first test pipeline are connected to the high-pressure air inlet pipeline and the first test container, respectively. The two ends of the second test pipeline are connected to the high-pressure air inlet pipeline and the second test container, respectively. The high-pressure air inlet pipeline is used to deliver gas at a first preset pressure to the first test container or the second test container.

[0007] The two ends of the gas guide pipe are connected to the first test pipe and the second test pipe, respectively. The gas guide pipe is used to guide the gas in the first test container to the second test container after the first test container has been tested; or, the gas guide pipe is used to guide the gas in the second test container to the first test container after the second test container has been tested.

[0008] In an optional embodiment, a first on / off valve and a second on / off valve are provided on the first test pipeline, and the connection between the gas guide pipeline and the first test pipeline is located between the first on / off valve and the second on / off valve.

[0009] The second test pipeline is equipped with a third on-off valve and a fourth on-off valve, and the connection between the gas guide pipeline and the second test pipeline is located between the third on-off valve and the fourth on-off valve.

[0010] In an optional embodiment, the high-pressure vessel testing system further includes a first gas booster disposed in the high-pressure inlet pipeline and a high-pressure gas storage tank.

[0011] The first gas booster is used to pressurize the gas output from the high-pressure gas storage tank to a first preset pressure.

[0012] In an optional implementation, the high-pressure vessel testing system further includes a first return gas line;

[0013] The two ends of the first return gas pipeline are connected to the gas delivery pipeline and the high-pressure gas storage tank, respectively.

[0014] The first return gas pipeline is used to guide gas in the gas delivery pipeline with a pressure greater than or equal to the second preset pressure to the high-pressure gas storage tank.

[0015] The second preset pressure is less than the first preset pressure.

[0016] In an optional implementation, a seventh shut-off valve is provided on the first return gas line.

[0017] In an optional embodiment, a fifth on / off valve and a sixth on / off valve are provided on the gas delivery pipeline, and the connection between the first return gas pipeline and the gas delivery pipeline is located between the fifth on / off valve and the sixth on / off valve.

[0018] In an optional embodiment, the high-pressure vessel testing system further includes a second gas booster disposed in the first return gas line;

[0019] The second gas booster is used to pressurize the gas in the gas pipeline that is less than the second preset pressure but greater than or equal to the third preset pressure to a pressure greater than or equal to the second preset pressure.

[0020] The third preset pressure is less than the second preset pressure.

[0021] In an optional embodiment, the high-pressure vessel testing system further includes a low-pressure gas booster and a low-pressure gas storage tank disposed in the high-pressure gas inlet pipeline.

[0022] Low-pressure gas boosters are used to pressurize and transport gas output from low-pressure gas storage tanks to high-pressure gas storage tanks.

[0023] In an optional implementation, the high-pressure vessel testing system further includes a second return gas line;

[0024] The two ends of the second return gas pipeline are connected to the first return gas pipeline and the low-pressure gas storage tank, respectively.

[0025] The second return gas pipeline is used to guide gas in the first return gas pipeline with a pressure lower than the third preset pressure to the low-pressure gas storage tank.

[0026] In an optional implementation, an eighth shut-off valve is provided on the second return gas line.

[0027] The beneficial effects of the embodiments of the present invention include:

[0028] The high-pressure vessel testing system includes a high-pressure inlet pipe, a first test pipe, a second test pipe, and a gas guide pipe. The first test pipe is connected at both ends to the high-pressure inlet pipe and the first test vessel, respectively. The second test pipe is also connected at both ends to the high-pressure inlet pipe and the second test vessel, respectively. The high-pressure inlet pipe is used to deliver gas at a first preset pressure to either the first or second test vessel. The gas guide pipe is connected at both ends to the first and second test pipes, respectively. After the first test vessel is tested, the gas guide pipe is used to guide the gas in the first test vessel to the second test vessel; or, after the second test vessel is tested, the gas guide pipe is used to guide the gas in the second test vessel to the first test vessel.

[0029] Therefore, during the airtightness test of the first and second test containers, gas at a first preset pressure is supplied to the first test container through a high-pressure inlet pipeline, and the airtightness test is performed on it. After the airtightness test of the first test container is completed, the gas in the first test container can be guided to the second test container through the gas guide pipeline, thereby reducing the amount of gas supplied to the second test container through the high-pressure inlet pipeline. It should be noted that after the airtightness test of the first test container is completed, the tested first test container needs to be removed and replaced with an untested first test container. Thus, after the airtightness test of the second test container is completed, the gas in the second test container can be guided to the replaced first test container through the gas guide pipeline, thereby reducing the amount of gas supplied to the replaced first test container through the high-pressure inlet pipeline. In this way, by reusing the medium in the tested containers and making reasonable use of the tested cavities, the waste of energy and medium during the test process can be reduced, consumption can be reduced, and thus the test cost can be lowered. Attached Figure Description

[0030] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 This is a schematic diagram of the high-pressure vessel testing system in an embodiment of the present invention;

[0032] Figure 2 This is a schematic diagram of the structure of the first test pipeline and the second test pipeline in an embodiment of the present invention;

[0033] Figure 3 This is a schematic diagram of the structure of the first return gas pipeline and the second return gas pipeline in an embodiment of the present invention.

[0034] Icons: 10 - First test container; 20 - Second test container; 100 - High-pressure vessel testing system; 110 - High-pressure inlet pipeline; 120 - First test pipeline; 130 - Second test pipeline; 140 - Gas guide pipeline; 111 - First on / off valve; 112 - Second on / off valve; 113 - Third on / off valve; 114 - Fourth on / off valve; 121 - First gas booster; 122 - High-pressure gas storage tank; 150 - First return gas pipeline; 117 - Seventh on / off valve; 115 - Fifth on / off valve; 116 - Sixth on / off valve; 123 - Second gas booster; 124 - Low-pressure gas booster; 125 - Low-pressure gas storage tank; 160 - Second return gas pipeline; 118 - Eighth on / off valve; 170 - Hydraulic source. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0036] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0037] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0038] In the description of this invention, it should be noted that if terms such as "upper," "lower," "inner," or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of this invention is usually placed, they are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0039] Furthermore, the terms "first" and "second" are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0040] It should be noted that, where there is no conflict, the features in the embodiments of the present invention can be combined with each other.

[0041] Please refer to Figure 1 , Figure 1 The structure of a high-pressure vessel testing system in an embodiment of the present invention is shown. This embodiment provides a high-pressure vessel testing system 100, which includes a high-pressure air inlet pipe 110, a first test pipe 120, a second test pipe 130, and an air guide pipe 140.

[0042] The two ends of the first test pipeline 120 are connected to the high-pressure air inlet pipeline 110 and the first test container 10, respectively. The two ends of the second test pipeline 130 are connected to the high-pressure air inlet pipeline 110 and the second test container 20, respectively. The high-pressure air inlet pipeline 110 is used to deliver gas at a first preset pressure to the first test container 10 or the second test container 20.

[0043] The two ends of the gas guide pipe 140 are respectively connected to the first test pipe 120 and the second test pipe 130. The gas guide pipe 140 is used to guide the gas in the first test container 10 to the second test container 20 after the first test container 10 is tested; or, the gas guide pipe 140 is used to guide the gas in the second test container 20 to the first test container 10 after the second test container 20 is tested.

[0044] It should be noted that, in this embodiment, the high-pressure vessel testing system 100 further includes a pressure detection element for detecting the gas pressure in the high-pressure inlet pipe 110, the first test pipe 120, the second test pipe 130, the gas guide pipe 140, the first test container 10, and the second test container 20. Furthermore, when performing airtightness testing on the first test container 10 and the second test container 20, an alternating and continuous testing method is adopted. That is, after the first test container 10 is tested, the second test container 20 is tested, and the untested first test container 10 is replaced. After the second test container 20 is tested, the replaced second test container 20 is tested, thereby alternating and cyclically performing airtightness testing on the test containers. Additionally, the first test container 10 and the second test container 20 can be the same container.

[0045] The working principle of the high-pressure vessel testing system 100 is as follows:

[0046] The high-pressure vessel testing system 100 includes a high-pressure inlet pipe 110, a first test pipe 120, a second test pipe 130, and a gas guide pipe 140. The first test pipe 120 is connected at both ends to the high-pressure inlet pipe 110 and the first test container 10, respectively. The second test pipe 130 is connected at both ends to the high-pressure inlet pipe 110 and the second test container 20, respectively. The high-pressure inlet pipe 110 is used to deliver gas at a first preset pressure to either the first test container 10 or the second test container 20. The gas guide pipe 140 is connected at both ends to the first test pipe 120 and the second test pipe 130, respectively. The gas guide pipe 140 is used to guide the gas in the first test container 10 to the second test container 20 after the first test container 10 has been tested; or, the gas guide pipe 140 is used to guide the gas in the second test container 20 to the first test container 10 after the second test container 20 has been tested.

[0047] Therefore, when conducting airtightness tests on the first test container 10 and the second test container 20, gas at a first preset pressure is supplied to the first test container 10 through the high-pressure inlet pipe 110, and the airtightness test is performed on it. After the airtightness test of the first test container 10 is completed, the gas in the first test container 10 can be guided to the second test container 20 through the gas guide pipe 140, thereby reducing the amount of gas supplied to the second test container 20 by the high-pressure inlet pipe 110. It should be noted that after the airtightness test of the first test container 10 is completed, the first test container 10 that has completed the test needs to be removed and replaced with a first test container 10 that has not been tested. Therefore, after the airtightness test of the second test container 20 is completed, the gas in the second test container 20 can be guided to the replaced first test container 10 through the gas guide pipe 140, thereby reducing the amount of gas supplied to the replaced first test container 10 by the high-pressure inlet pipe 110. In this way, by reusing the medium in the tested container and making reasonable use of the tested cavity, the waste of energy and medium during the test process can be reduced, and consumption can be reduced, thereby reducing the test cost.

[0048] Further, please refer to Figure 1 and Figure 2 , Figure 2The structure of the first test pipeline and the second test pipeline in an embodiment of the present invention is shown. In this embodiment, during the measurement of the first test container 10 and the second test container 20, gas at a first preset pressure needs to be delivered to the first test container 10 or the second test container 20 through the high-pressure inlet pipeline 110. During the delivery process, a selective delivery method is adopted, that is, when the high-pressure inlet pipeline 110 delivers gas to the first test container 10, the high-pressure inlet pipeline 110 and the second test container 20 are in a blocked state; similarly, when the high-pressure inlet pipeline 110 delivers gas to the second test container 20, the high-pressure inlet pipeline 110 and the first test container 10 are in a blocked state; moreover, when the gas guide pipeline 140 guides the gas in the first test container 10 to the second test container 20 or guides the gas in the second test container 20 to the first test container 10, both the first test pipeline 120 and the second test pipeline 130 are in a blocked state with the high-pressure inlet pipeline 110.

[0049] Therefore, the first test pipeline 120 is provided with a first on / off valve 111 and a second on / off valve 112, and the connection between the gas guide pipeline 140 and the first test pipeline 120 is located between the first on / off valve 111 and the second on / off valve 112; the second test pipeline 130 is provided with a third on / off valve 113 and a fourth on / off valve 114, and the connection between the gas guide pipeline 140 and the second test pipeline 130 is located between the third on / off valve 113 and the fourth on / off valve 114.

[0050] With the above structural arrangement, when the high-pressure inlet pipe 110 supplies gas to the first test container 10, the first on / off valve 111 and the second on / off valve 112 on the first test pipe 120 are open, and the third on / off valve 113 and the fourth on / off valve 114 on the second test pipe 130 are closed. This allows the high-pressure inlet pipe 110 to be connected to the first test pipe 120 and to the second blocking test pipe. That is, the high-pressure inlet pipe 110 is connected to the first test container 10 and blocked from the second test container 20. Similarly, when the high-pressure inlet pipe 110 supplies gas to the second test container 20, the third on / off valve 113 and the fourth on / off valve 114 on the second test pipe 130 are open, and the first on / off valve 111 and the second on / off valve 112 on the first test pipe 120 are closed, thereby making the high-pressure inlet pipe 110 open with the second test pipe 130 and closed with the first test pipe 120. That is, the high-pressure inlet pipe 110 is open with the second test container 20, and the high-pressure inlet pipe 110 is closed with the first test container 10.

[0051] Furthermore, when the gas guide line 140 guides the gas in the first test container 10 to the second test container 20 or guides the gas in the second test container 20 to the first test container 10, in order to connect the first test line 120 and the second test line 130, both the first test line 120 and the second test line 130 are blocked from the high-pressure air intake line 110. Therefore, the valve bodies of the first on / off valve 111 and the second on / off valve 112 that are close to the first test container 10 are open, while the valve bodies that are close to the high-pressure air intake line 110 are closed. In addition, the valve bodies of the third on / off valve 113 and the fourth on / off valve 114 that are close to the second test container 20 are open, while the valve bodies that are close to the high-pressure air intake line 110 are closed.

[0052] Further, please refer to Figures 1-3 , Figure 3 The structure of the first return gas pipeline and the second return gas pipeline in an embodiment of the present invention is shown. In this embodiment, when the first test container 10 and the second test container 20 are subjected to an airtightness test, gas at a first preset pressure is supplied to the first test container 10 through the high-pressure inlet pipeline 110. Therefore, in order to pressurize the gas in the high-pressure inlet pipeline 110 to the first preset pressure, the high-pressure container test system 100 may further include a first gas booster 121 and a high-pressure gas storage tank 122 disposed in the high-pressure inlet pipeline 110. The first gas booster 121 is used to pressurize the gas output from the high-pressure gas storage tank 122 to the first preset pressure.

[0053] In this embodiment, after the airtightness test of the second test container 20 is completed, the gas in the second test container 20 can be guided to the replaced first test container 10 through the gas guide pipe 140. This reduces the amount of gas transported to the replaced first test container 10 by the high-pressure gas inlet pipe 110, thereby improving gas utilization. When guiding the gas in the first test container 10 to the second test container 20 or guiding the gas in the second test container 20 to the first test container 10 through the gas guide pipe 140, the gas pressure changes with the gas flow. The pressure will gradually decrease, resulting in a gas pressure lower than the first preset pressure in either the first tested container 10 or the second tested container 20. To recover this gas, the high-pressure vessel testing system 100 also includes a first return gas pipeline 150. The two ends of the first return gas pipeline 150 are connected to the gas delivery pipeline 140 and the high-pressure gas storage tank 122, respectively. The first return gas pipeline 150 is used to guide gas in the gas delivery pipeline 140 at a pressure greater than or equal to the second preset pressure to the high-pressure gas storage tank 122; wherein the second preset pressure is less than the first preset pressure. Furthermore, to adjust the conduction state of the first return gas pipeline 150, a seventh shut-off valve 117 is installed on the first return gas pipeline 150.

[0054] Therefore, this method can improve gas utilization and reduce gas waste.

[0055] It should be noted that when gas in the first test container 10 is guided to the second test container 20 or gas in the second test container 20 is guided to the first test container 10 through the gas guide pipe 140, the gas pressure will gradually decrease as the gas flows, resulting in gas in the first test container 10 or the second test container 20 having a pressure lower than the first preset pressure. At this time, since the pressure in the first test container 10 or the second test container 20 is lower than the first preset pressure, gas needs to be added to the first test container 10 or the second test container 20 through the high-pressure gas inlet pipe 110 to raise its pressure to the first preset pressure for airtightness testing. The step of adding gas to the first test container 10 or the second test container 20 through the high-pressure gas inlet pipe 110 can be performed separately from the step of guiding gas in the gas guide pipe 140 with a pressure greater than or equal to the second preset pressure to the high-pressure gas storage tank 122 through the first return gas pipe 150, or it can be performed simultaneously.

[0056] Please refer to Figures 1-3 In this embodiment, the steps of replenishing gas into the first test container 10 or the second test container 20 by the high-pressure inlet gas pipeline 110 and the steps of guiding gas with a pressure greater than or equal to the second preset pressure in the gas delivery pipeline 140 by the first return gas pipeline 150 to the high-pressure gas storage tank 122 are carried out simultaneously. Therefore, the gas delivery pipeline 140 is provided with a fifth on / off valve 115 and a sixth on / off valve 116, and the connection between the first return gas pipeline 150 and the gas delivery pipeline 140 is located between the fifth on / off valve 115 and the sixth on / off valve 116. Therefore, when the high-pressure inlet pipe 110 replenishes gas into the first test container 10 or the second test container 20, the first return pipe 150 guides the gas in the gas delivery pipe 140 with a pressure greater than or equal to the second preset pressure to be delivered to the high-pressure gas storage tank 122; that is, at this time, the on / off valves of the fifth on / off valve 115 and the sixth on / off valve 116 near the test container that has completed the test are in the conducting state, so that the first return pipe 150 is connected to the test container that has completed the test, while the on / off valves of the fifth on / off valve 115 and the sixth on / off valve 116 near the test container that is to be tested are in the disconnected state, so that the first return pipe 150 is blocked from the test container that is to be tested.

[0057] In other embodiments of the present invention, when the step of replenishing gas into the first test container 10 or the second test container 20 by the high-pressure inlet pipe 110 and the step of guiding gas with a pressure greater than or equal to the second preset pressure in the gas guide pipe 140 by the first return pipe 150 to the high-pressure gas storage tank 122 are performed in separate steps, the on / off state of the first on / off valve 111, the second on / off valve 112, the third on / off valve 113, the fourth on / off valve 114 and the fifth on / off valve 115 can be adjusted. That is, when the high-pressure inlet pipe 110 replenishes gas into the first test container 10 or the second test container 20, the gas is supplied with gas at a pressure greater than or equal to the second preset pressure by the first return pipe 150 to the high-pressure gas storage tank 122, the gas supply ... When gas is added to container 20, the first return gas line 150 is blocked; similarly, when the first return gas line 150 guides gas with a pressure greater than or equal to the second preset pressure in the gas delivery line 140 to be delivered to the high-pressure gas storage tank 122, the high-pressure gas inlet line 110 is blocked from the first tested container 10 and the second tested container 20, and the tested containers to be tested in the first tested container 10 and the second tested container 20 are blocked from the first return gas line 150, while the tested containers that have completed the test in the first tested container 10 and the second tested container 20 are connected to the first return gas line 150.

[0058] Please refer to Figures 1-3 In this embodiment, the high-pressure vessel test system 100 further includes a second gas booster 123 disposed in the first return gas pipeline 150; the second gas booster 123 is used to pressurize the gas in the gas guide pipeline 140 that is less than the second preset pressure and greater than or equal to the third preset pressure to a pressure greater than or equal to the second preset pressure; wherein, the third preset pressure is less than the second preset pressure.

[0059] It should be noted that during the process of the first return gas pipeline 150 guiding the gas in the gas delivery pipeline 140 to the high-pressure gas storage tank 122, the gas pressure will gradually decrease. In order to increase the amount of gas returned to the high-pressure gas storage tank 122 during the process of gas pressure decrease, the second gas booster 123 can pressurize the gas in the gas delivery pipeline 140, which is less than the second preset pressure but greater than or equal to the third preset pressure, to a pressure greater than or equal to the second preset pressure. In this way, the amount of gas returned to the high-pressure gas storage tank 122 is increased by pressurizing.

[0060] Further, please refer to Figures 1-3In this embodiment, the high-pressure vessel testing system 100 further includes a low-pressure gas booster 124 and a low-pressure gas storage tank 125 disposed in the high-pressure gas inlet pipeline 110; the low-pressure gas booster 124 is used to pressurize and transport the gas output from the low-pressure gas storage tank 125 to the high-pressure gas storage tank 122. Furthermore, the high-pressure vessel testing system 100 also includes a second return gas pipeline 160; both ends of the second return gas pipeline 160 are connected to the first return gas pipeline 150 and the low-pressure gas storage tank 125 respectively; the second return gas pipeline 160 is used to guide gas in the first return gas pipeline 150 with a pressure lower than a third preset pressure to be transported to the low-pressure gas storage tank 125.

[0061] The purpose of this configuration is that when the gas pressure continues to drop and falls below the third preset pressure, the gas can be guided to the low-pressure gas storage tank 125 through the second return gas pipeline 160, thereby enabling the recovery of low-pressure gas.

[0062] It should be noted that, in order to prevent gas from being transported to the low-pressure gas storage tank 125 when gas is transported to the high-pressure gas storage tank 122 via the first return gas pipeline 150, an eighth shut-off valve 118 is installed on the second return gas pipeline 160. The function of the eighth shut-off valve 118 is to block the second return gas pipeline 160 when gas is transported to the high-pressure gas storage tank 122 via the first return gas pipeline 150. Similarly, when the second return gas pipeline 160 guides gas to the low-pressure gas storage tank 125, since the first return gas pipeline 150 is connected to the high-pressure gas storage tank 122, in order to prevent other gases in the high-pressure gas storage tank 122 from flowing back into the second return gas pipeline 160, an on / off valve is installed on the first return gas pipeline 150. Its purpose is to block the first return gas pipeline 150 from the high-pressure gas storage tank 122 when the first return gas pipeline 150 is connected to the second return gas pipeline 160.

[0063] In summary, please refer to the following: Figures 1-3 The high-pressure vessel testing system 100, during the airtightness testing of the first test vessel 10 and the second test vessel 20, can transfer the gas after testing to the test vessel, the high-pressure gas storage tank 122, and the low-pressure gas storage tank 125. Furthermore, during the gas transfer process, it can classify and recover the gas according to its pressure, thereby improving gas recovery efficiency and reducing the amount of gas supplied by the high-pressure inlet pipeline 110 to the first test vessel 10 or the second test vessel 20. In this way, by reusing the medium within the tested vessel and making reasonable use of the tested cavity, it can reduce energy and medium waste during the testing process, reduce consumption, and thus lower testing costs.

[0064] It should also be noted that, in this embodiment, the first gas booster 121, the second gas booster 123, and the low-pressure gas booster 124 can all be hydraulically driven. Therefore, the high-pressure vessel test system 100 also has a hydraulic source 170 connected to the first gas booster 121, the second gas booster 123, and the low-pressure gas booster.

[0065] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A high-pressure container test system characterized in that: the high-pressure container test system (100) comprises a high-pressure gas inlet pipeline (110), a first test pipeline (120), a second test pipeline (130), and a gas guide pipeline (140); two ends of the first test pipeline (120) are respectively connected with the high-pressure gas inlet pipeline (110) and a first measured container (10), two ends of the second test pipeline (130) are respectively connected with the high-pressure gas inlet pipeline (110) and a second measured container (20), and the high-pressure gas inlet pipeline (110) is used for conveying gas at a first preset pressure to the first measured container (10) or the second measured container (20); two ends of the gas guide pipeline (140) are respectively connected with the first test pipeline (120) and the second test pipeline (130), and the gas guide pipeline (140) is used for guiding the gas in the first measured container (10) to the second measured container (20) after the test of the first measured container (10) is completed, or guiding the gas in the second measured container (20) to the first measured container (10) after the test of the second measured container (20) is completed; a first on-off valve (111) and a second on-off valve (112) are arranged on the first test pipeline (120), and the connection position of the gas guide pipeline (140) and the first test pipeline (120) is between the first on-off valve (111) and the second on-off valve (112); a third on-off valve (113) and a fourth on-off valve (114) are arranged on the second test pipeline (130), and the connection position of the gas guide pipeline (140) and the second test pipeline (130) is between the third on-off valve (113) and the fourth on-off valve (114); the high-pressure container test system (100) further comprises a first gas booster (121) arranged on the high-pressure gas inlet pipeline (110) and a high-pressure gas storage tank (122); the first gas booster (121) is used for pressurizing the gas output by the high-pressure gas storage tank (122) to the first preset pressure; the high-pressure container test system (100) further comprises a first gas return pipeline (150); two ends of the first gas return pipeline (150) are respectively connected with the gas guide pipeline (140) and the high-pressure gas storage tank (122); the first gas return pipeline (150) is used for guiding the gas in the gas guide pipeline (140) which is greater than or equal to a second preset pressure to the high-pressure gas storage tank (122); wherein the second preset pressure is less than the first preset pressure; the high-pressure container test system (100) further comprises a second gas return pipeline (160); two ends of the second gas return pipeline (160) are respectively connected with the first gas return pipeline (150) and a low-pressure gas storage tank (125). The second gas return pipeline (160) is used to guide the gas with a pressure less than a third preset pressure in the first gas return pipeline (150) to the low-pressure gas storage tank (125); The high-pressure container test system (100) further comprises a second gas booster (123) arranged in the first gas return pipeline (150); The second gas booster (123) is used to pressurize the gas with a pressure less than the second preset pressure and greater than or equal to the third preset pressure in the gas guide pipeline (140) to be greater than or equal to the second preset pressure; The third preset pressure is less than the second preset pressure; The high-pressure container test system (100) further comprises a low-pressure gas booster (124) and a low-pressure gas storage tank (125) arranged in the high-pressure gas inlet pipeline (110); The low-pressure gas booster (124) is used to pressurize and deliver the gas output by the low-pressure gas storage tank (125) to the high-pressure gas storage tank (122); By transferring the detected gas to the measured container to be tested, the high-pressure gas storage tank (122) and the low-pressure gas storage tank (125), and classifying and recycling according to the pressure of the gas during the gas transfer process, the efficiency of gas recycling is improved, and the amount of gas delivered by the high-pressure gas inlet pipeline (110) to the first measured container (10) or the second measured container (20) to be tested is reduced.

2. The high-pressure container test system according to claim 1, wherein: A seventh on-off valve (117) is arranged on the first gas return pipeline (150).

3. The high-pressure container test system according to claim 1, wherein: A fifth on-off valve (115) and a sixth on-off valve (116) are arranged on the gas guide pipeline (140), and the connection between the first gas return pipeline (150) and the gas guide pipeline (140) is located between the fifth on-off valve (115) and the sixth on-off valve (116).

4. The high-pressure container test system according to claim 1, wherein: An eighth on-off valve (118) is arranged on the second gas return pipeline (160).

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