Oxygen valve pressure maintaining test system

Abstract

The utility model discloses an oxygen valve pressure maintaining test system, which comprises a gas source and a plurality of test benches communicated with the gas source through pipelines, the plurality of test benches are connected in parallel, each test bench is provided with a test station, each test station comprises two test valve seats, a gas outlet of the gas source is connected with a gas inlet of a high-pressure regulating valve through a pipeline, and a gas outlet of the high-pressure regulating valve is connected with a gas outlet of the high-pressure regulating valve through a pipeline. Through the arrangement of the high-pressure regulating valve, the first pressure gauge is installed on the pipeline connecting the air outlet of the air source and the air inlet of the high-pressure regulating valve, and the first pressure gauge is a mechanical pressure gauge with the measuring range of-PSIG and used for testing the pressure of the air source. In addition, only the test valve needs to be installed on the test station, the whole oxygen bottle does not need to be filled, labor time cost and unnecessary resource consumption are greatly reduced, protection measures are taken for the valve, and safety is greatly improved.

Description

Technical Field

[0001] The utility model relates to the field of aviation equipment maintenance, in particular to an oxygen valve pressure maintenance test system, which is mainly used for pressure maintenance test of aircraft oxygen cylinder valves. Background Art

[0002] The existing test system requires the entire oxygen cylinder to be filled before testing, which increases the manpower and time costs and causes a large amount of unnecessary gas waste. If the test product leaks during the test, it will cause damage to the equipment and even personnel. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an oxygen valve pressure maintaining test system, including a gas source and multiple test benches connected to the gas source through pipelines, and the multiple test benches are connected in parallel, each of the test benches is provided with a test station, and each of the test stations includes two test valve seats.

[0004] Preferably: the gas outlet of the gas source is connected to the gas inlet of the high-pressure regulating valve through a pipeline, and the high-pressure regulating valve is set.

[0005] Preferably, a first pressure gauge is installed on the pipeline connecting the gas outlet of the gas source and the gas inlet of the high-pressure regulating valve.

[0006] Preferably, the first pressure gauge is a mechanical pressure gauge with a measuring range of 0-5800 PSIG, which is used to test the pressure of the gas source 1 .

[0007] Preferably, the air outlet of the high-pressure regulating valve is connected to the air inlet of the first isolation valve through a pipeline, and the first isolation valve is connected to a plurality of test benches through pipelines.

[0008] Preferably, a second pressure gauge is installed on the pipeline connecting the air outlet of the high-pressure regulating valve and the air inlet of the first isolation valve.

[0009] Preferably, the second pressure gauge is a mechanical pressure gauge with a range of 0-3600 PSIG, which is used to test the test pressure adjusted by the high-pressure regulating valve.

[0010] Preferably, the test bench further comprises a third pressure gauge and a second isolation valve, the air inlet of the second isolation valve is connected to the air outlet of the first isolation valve via a pipeline, and the air outlet of the second isolation valve is connected to the test valve seat via a pipeline.

[0011] Preferably, a third pressure gauge is installed on the pipeline connecting the air outlet of the second isolation valve and the test valve seat.

[0012] Preferably, the third pressure gauge is a mechanical pressure gauge with a range of 0-3600 PSIG, which is used to display the actual test pressure.

[0013] Technical effects and advantages of the utility model:

[0014] In the utility model, various types of valves can be tested, which greatly shortens the maintenance cycle of the product, and only needs to install the test valve on the test station without filling the entire oxygen cylinder, which greatly reduces labor time costs and unnecessary resource consumption, has protective measures for the valve, and greatly improves safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of an oxygen valve pressure maintaining test system provided in an embodiment of the present application;

[0016] Figure 2 It is a structural schematic diagram of a test bench in the oxygen valve pressure maintaining test system provided in an embodiment of the present application.

[0017] In the figure: 1, gas source; 2, high-pressure regulating valve; 3, first isolation valve; 4, first pressure gauge; 5, second pressure gauge; 6, test bench; 61, test station; 611, test valve seat; 62, third pressure gauge; 63, second isolation valve. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

[0019] See also Figures 1-2 As shown, in this embodiment, an oxygen valve pressure maintaining test system is provided, including a gas source 1 and a plurality of test benches 6 connected to the gas source 1 through pipelines, and the plurality of test benches 6 are connected in parallel, each test bench 6 is provided with a test station 61, and each test station 61 includes two test valve seats 611, which can be used to test oxygen valve assemblies of different models.

[0020] Specifically, the air outlet of the gas source 1 is connected to the air inlet of the high-pressure regulating valve 2 through a pipeline. The high-pressure regulating valve 2 is used to adjust the appropriate test pressure when performing a pressure maintaining test. The air outlet of the high-pressure regulating valve 2 is connected to the air inlet of the first isolation valve 3 through a pipeline. The first isolation valve 3 is connected to multiple test benches 6 through a pipeline, and the first isolation valve 3 is used to cut off the test pressure.

[0021] Furthermore, a first pressure gauge 4 is installed on the pipeline connecting the gas outlet of the gas source 1 and the gas inlet of the high-pressure regulating valve 2 . The first pressure gauge 4 is a mechanical pressure gauge with a measuring range of 0-5800PSIG and is used to test the pressure of the gas source 1 .

[0022] Furthermore, a second pressure gauge 5 is installed on the pipeline connecting the air outlet of the high-pressure regulating valve 2 and the air inlet of the first isolation valve 3. The second pressure gauge 5 is a mechanical pressure gauge with a range of 0-3600PSIG, which is used to test the test pressure adjusted by the high-pressure regulating valve 2.

[0023] In this embodiment, the test bench 6 also includes a third pressure gauge 62 and a second isolation valve 63. The air inlet of the second isolation valve 63 is connected to the air outlet of the first isolation valve 3 through a pipeline, and the air outlet of the second isolation valve 63 is connected to the test valve seat 611 through a pipeline. The second isolation valve 63 is set to cut off the test pressure. The third pressure gauge 62 is installed on the pipeline connecting the air outlet of the second isolation valve 63 and the test valve seat 611. The third pressure gauge 62 is a mechanical pressure gauge with a range of 0-3600PSIG, which is used to display the actual test pressure.

[0024] The working principle of the utility model is:

[0025] This test system can test various types of valves, greatly shortening the product maintenance cycle. It only needs to install the test valve on the test station without filling the entire oxygen cylinder, which greatly reduces labor time costs and unnecessary resource consumption. It has protective measures for the valve and greatly improves safety.

[0026] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. An oxygen valve pressure test system, characterized in that: The invention comprises an air source (1) and a plurality of test benches (6) connected to the air source (1) via pipelines, wherein the plurality of test benches (6) are connected in parallel, each of the test benches (6) is provided with a test station (61), and each of the test stations (61) comprises two test valve seats (611).

2. The oxygen valve pressure test system according to claim 1, characterized in that: The gas outlet of the gas source (1) is connected to the gas inlet of the high-pressure regulating valve (2) through a pipeline, and the high-pressure regulating valve (2) is provided.

3. An oxygen valve pressure test system according to claim 2, characterized in that: A first pressure gauge (4) is installed on the pipeline connecting the gas outlet of the gas source (1) and the gas inlet of the high-pressure regulating valve (2).

4. The oxygen valve pressure maintaining test system according to claim 3, characterized in that: The first pressure gauge (4) is a mechanical pressure gauge with a measuring range of 0-5800 PSIG, and is used to test the pressure of the gas source (1).

5. The oxygen valve pressure test system according to claim 2, characterized in that: The air outlet of the high-pressure regulating valve (2) is connected to the air inlet of the first isolation valve (3) through a pipeline, and the first isolation valve (3) is connected to a plurality of test benches (6) through pipelines.

6. The oxygen valve pressure test system according to claim 5, characterized in that: A second pressure gauge (5) is installed on the pipeline connecting the air outlet of the high-pressure regulating valve (2) and the air inlet of the first isolation valve (3).

7. The oxygen valve pressure test system according to claim 6, characterized in that: The second pressure gauge (5) is a mechanical pressure gauge with a measuring range of 0-3600 PSIG, and is used to test the test pressure adjusted by the high pressure regulating valve (2).

8. The oxygen valve pressure test system according to claim 1, characterized in that: The test bench (6) further comprises a third pressure gauge (62) and a second isolation valve (63), wherein the air inlet of the second isolation valve (63) is connected to the air outlet of the first isolation valve (3) via a pipeline, and the air outlet of the second isolation valve (63) is connected to the test valve seat (611) via a pipeline.

9. The oxygen valve pressure maintaining test system according to claim 8, characterized in that: A third pressure gauge (62) is installed on the pipeline connecting the gas outlet of the second isolation valve (63) and the test valve seat (611).

10. An oxygen valve pressure-maintaining test system according to claim 9, characterized in that: The third pressure gauge (62) is a mechanical pressure gauge with a range of 0-3600 PSIG, used to display the actual test pressure.

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