Container pressure resistance testing device convenient for high-low pressure conversion of energy accumulator

By designing a pressure resistance testing device for containers that facilitates high-low pressure switching, the problem of the inability to perform high-low pressure switching in existing technologies has been solved, improving convenience and practicality. Furthermore, the device's service life is extended by protecting the accumulator through a buffer mechanism.

CN224066522UActive Publication Date: 2026-03-31SHANGHAI BO WU ENVIRONMENTAL PROTECTION TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing technology cannot perform high-low voltage conversion tests according to actual conditions, resulting in low adaptability of the device.

Method used

A testing device was designed, comprising a housing, a cover plate, a fixing plate, an equipment frame, a pull-out mechanism, a load-bearing mechanism, a liquid supply mechanism, and a testing mechanism. High-low pressure conversion is achieved through high-pressure pump sets and low-pressure pump sets. The pull-out mechanism, combined with sliders and bolts, facilitates installation and disassembly. The equipment lifespan is extended through filtration and buffering mechanisms.

Benefits of technology

It enables high- and low-voltage switching tests as needed, improving the ease of use and practicality of the device, and protects the accumulator through a buffer mechanism, extending the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224066522U_ABST
    Figure CN224066522U_ABST
Patent Text Reader

Abstract

The utility model discloses a container pressure resistance testing device convenient for high-low pressure conversion of an energy accumulator, which comprises a box body, cover plates are rotatably connected to two ends of the outer wall of one side of the box body, a fixing plate is fixedly connected to one end of the inner wall of the box body, an equipment frame is arranged at one end of the fixing plate, a pull-out mechanism is arranged between the equipment frame and the fixing plate, and a pull-out mechanism is arranged between the equipment frame and the fixing plate. A plurality of energy accumulators are arranged on the inner wall of the equipment frame, and bearing mechanisms are arranged at the bottoms of the energy accumulators. An energy accumulator can be borne through the bearing mechanism arranged in the equipment frame, testing liquid can be provided for the high-pressure pump set and the low-pressure pump set through the liquid supply mechanisms arranged at the tops of the low-pressure pump set and the high-pressure pump set, the testing liquid is filtered, the service life of testing equipment is guaranteed, and the testing efficiency is improved. By arranging the testing mechanisms between the low-pressure pump set and the energy accumulator and between the high-pressure pump set and the energy accumulator, high-low pressure conversion testing can be conducted on the energy accumulator according to requirements, and the using convenience and practicability of the device are guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of testing device technology, and in particular to a container pressure resistance testing device that facilitates high-low pressure switching of accumulators. Background Technology

[0002] Small pressure vessels used for packaging dangerous goods, such as aerosol cans and refrigerant tanks, have requirements for leak-proofness, non-deformation, and maximum pressure resistance. Currently, the pressure resistance test method for these small pressure vessels involves placing the vessel under test in a sealed explosion-proof enclosure, connected to a high-pressure hose, and then connecting a nitrogen cylinder equipped with a pressure gauge and pressure reducing valve to a high-pressure hose at a location away from the explosion-proof enclosure. The pressure and test duration are manually controlled. However, existing methods cannot perform high-low pressure switching tests according to actual conditions, resulting in limited adaptability of the equipment. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing a pressure resistance testing device for energy storage containers that facilitates high-low pressure switching.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A pressure resistance testing device for a container that facilitates high-low pressure switching of an accumulator includes a housing. Both ends of the outer wall of one side of the housing are rotatably connected to a cover plate. A fixing plate is fixedly connected to one end of the inner wall of the housing. An equipment frame is mounted on one end of the fixing plate. A pull-out mechanism is provided between the equipment frame and the fixing plate. Multiple accumulators are mounted on the inner wall of the equipment frame. A bearing mechanism is provided at the bottom of each accumulator. A high-pressure pump group and a low-pressure pump group are fixedly connected to both sides of one end of the inner wall of the housing, respectively. A liquid supply mechanism is provided at the top of the high-pressure pump group and the low-pressure pump group. A testing mechanism is provided between the high-pressure pump group, the low-pressure pump group, and the accumulators.

[0006] Preferably, the pull-out mechanism includes a slider and a bolt, a groove is provided on the outer wall of the fixed plate, a slider is slidably connected to the inner wall of the groove, the slider and the equipment frame are fixedly connected, and the bolt and the slider are threadedly connected.

[0007] Preferably, the bearing mechanism includes a spring and a damper, the bottom of the accumulator is fixedly connected to a bearing plate, and the top and bottom of the spring and damper are fixedly connected to the bearing plate and the equipment frame, respectively.

[0008] Preferably, the liquid supply mechanism includes a water tank and a second diverter. The water tank is fixedly connected to the outer wall of one side of the tank body. A filter box is fixedly connected to the inner wall of the tank body. Filter media is fixedly connected to the inner wall of the filter box. An inlet pipe is fixedly connected between the filter box and the water tank. The filter box and the second diverter are fixedly connected. The second diverter is fixedly connected to the inner wall of the tank body. Multiple second liquid guiding hoses are fixedly connected to the bottom of the second diverter. The bottoms of the second liquid guiding hoses are respectively fixedly connected to a high-pressure pump group and a low-pressure pump group.

[0009] Preferably, the testing mechanism includes a pressure sensor and a first diverter. A controller is fixedly connected to the outer walls of the high-pressure pump group and the low-pressure pump group. A liquid guide tube is fixedly connected between the controller and the first diverter. A first check valve is fixedly connected to the outer wall of the liquid guide tube. A solenoid valve is fixedly connected to the outer wall of the first diverter. A water storage module is provided at one end of the solenoid valve. A second check valve is fixedly connected between the water storage module and the solenoid valve. The pressure sensor is fixedly connected to the outer wall of the water storage module. A first liquid guide hose is fixedly connected between the water storage module and the accumulator.

[0010] Preferably, a voltage regulator is fixedly connected to the top of the first shunt.

[0011] Preferably, a pressure relief valve is fixedly connected to the bottom of the water storage module, and a pressure relief module is fixedly connected to the outer wall of the pressure relief valve.

[0012] The beneficial effects of this utility model are as follows:

[0013] 1. The accumulator can be supported by the load-bearing mechanism inside the equipment frame. The liquid supply mechanism on the top of the low-pressure pump group and the high-pressure pump group can supply test liquid to the high-pressure pump group and the low-pressure pump group, and filter the test liquid to ensure the service life of the test equipment. The test mechanism between the low-pressure pump group, the high-pressure pump group and the accumulator can perform high-low pressure conversion test on the accumulator as needed, ensuring the convenience and practicality of the device.

[0014] 2. By setting the slider to move within the groove of the fixed plate and using bolts to limit the slider, the equipment frame and the internal accumulator can be pulled out for easy installation and disassembly. The spring and damper between the bearing plate at the bottom of the accumulator and the equipment frame can support the accumulator and provide buffering and impact protection against bursting during pressure testing. Attached Figure Description

[0015] Figure 1 A schematic diagram of the main structure of a pressure resistance testing device for a accumulator that facilitates high-low pressure switching, as proposed in this utility model;

[0016] Figure 2 for Figure 1 Enlarged structural diagram at point A in the middle;

[0017] Figure 3 A side view of the pressure resistance testing device for a container that facilitates high-low pressure switching of an energy storage device, as proposed in this utility model.

[0018] Figure 4 This is a schematic diagram of the back structure of a pressure resistance testing device for a container that facilitates high-low pressure switching of an energy storage device, as proposed in this utility model.

[0019] In the diagram: 1. Housing, 2. Cover plate, 3. Fixing plate, 4. Slide groove, 5. First diverter, 6. First check valve, 7. Controller, 8. High-pressure pump set, 9. Water tank, 10. Pressure stabilizing equipment, 11. Accumulator, 12. Inlet pipe, 13. Equipment frame, 14. Spring, 15. Damper, 16. Bearing plate, 17. First liquid guiding hose, 18. Bolt, 19. Slider, 20. Water storage module, 21. Pressure sensor, 22. Pressure relief valve, 23. Pressure relief module, 24. Second check valve, 25. Solenoid valve, 26. Second liquid guiding hose, 27. Second diverter, 28. Filter box, 29. Low-pressure pump set. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Reference Figure 1-4 A pressure resistance testing device for a container that facilitates high-low pressure switching of accumulators includes a housing 1. Cover plates 2 are rotatably connected to both ends of the outer wall of one side of the housing 1. A fixing plate 3 is fixedly connected to one end of the inner wall of the housing 1. An equipment frame 13 is mounted on one end of the fixing plate 3. A pull-out mechanism is provided between the equipment frame 13 and the fixing plate 3. Multiple accumulators 11 are mounted on the inner wall of the equipment frame 13. A bearing mechanism is provided at the bottom of each accumulator 11. A high-pressure pump group 8 and a low-pressure pump group 29 are fixedly connected to both sides of one end of the inner wall of the housing 1, respectively. A liquid supply mechanism is provided at the top of the high-pressure pump group 8 and the low-pressure pump group 29. A testing mechanism is provided between the low-pressure pump group 29 and the accumulator 11. The accumulator 11 can be supported by the supporting mechanism in the equipment frame 13. The liquid supply mechanism on the top of the low-pressure pump group 29 and the high-pressure pump group 8 can provide test liquid to the high-pressure pump group 8 and the low-pressure pump group 29 and filter the test liquid to ensure the service life of the testing equipment. The testing mechanism between the low-pressure pump group 29, the high-pressure pump group 8 and the accumulator 11 can perform high-low pressure conversion tests on the accumulator 11 as needed, ensuring the convenience and practicality of the device.

[0022] In this utility model, the pull-out mechanism includes a slider 19 and a bolt 18. A groove 4 is provided on the outer wall of the fixed plate 3. The slider 19 is slidably connected to the inner wall of the groove 4. The slider 19 is fixedly connected to the equipment frame 13. The bolt 18 is threadedly connected to the slider 19. The bearing mechanism includes a spring 14 and a damper 15. The bottom of the accumulator 11 is fixedly connected to a bearing plate 16. The top and bottom of the spring 14 and the damper 15 are fixedly connected to the bearing plate 16 and the equipment frame 13, respectively. By setting the slider 19 to move on the inner wall of the groove 4 opened in the fixed plate 3, and using the bolt 18 to limit the slider 19, the equipment frame 13 and the internal accumulator 11 can be pulled out, which is convenient for installation and disassembly. The spring 14 and the damper 15 between the bearing plate 16 at the bottom of the accumulator 11 and the equipment frame 13 can bear the load of the accumulator 11 and play a buffering and shock protection role in the event of bursting during pressure testing.

[0023] The liquid supply mechanism includes a water tank 9 and a second distributor 27. The water tank 9 is fixedly connected to the outer wall of one side of the tank body 1. A filter box 28 is fixedly connected to the inner wall of the tank body 1. Filter media is fixedly connected to the inner wall of the filter box 28. An inlet pipe 12 is fixedly connected between the filter box 28 and the water tank 9. The filter box 28 and the second distributor 27 are fixedly connected. The second distributor 27 is fixedly connected to the inner wall of the tank body 1. Multiple second liquid guiding hoses 26 are fixedly connected to the bottom of the second distributor 27. The bottoms of the second liquid guiding hoses 26 are fixedly connected to the high-pressure pump group 8 and the low-pressure pump group 29, respectively. By setting the liquid supply mechanism at the top of the low-pressure pump group 29 and the high-pressure pump group 8, the test liquid can be provided to the high-pressure pump group 8 and the low-pressure pump group 29, and the test liquid can be filtered to ensure the service life of the test equipment.

[0024] The testing mechanism includes a pressure sensor 21 and a first diverter 5. A controller 7 is fixedly connected to the outer wall of the high-pressure pump group 8 and the low-pressure pump group 29. A liquid guide pipe is fixedly connected between the controller 7 and the first diverter 5. A first one-way valve 6 is fixedly connected to the outer wall of the liquid guide pipe. A solenoid valve 25 is fixedly connected to the outer wall of the first diverter 5. A water storage module 20 is provided at one end of the solenoid valve 25. A second one-way valve 24 is fixedly connected between the water storage module 20 and the solenoid valve 25. The pressure sensor 21 is fixedly connected to the outer wall of the water storage module 20. A first liquid guide hose 17 is fixedly connected between the water storage module 20 and the accumulator 11. A pressure stabilizing device 10 is fixedly connected to the top of the first diverter 5. A pressure relief valve 22 is fixedly connected to the bottom of the water storage module 20. A pressure relief module 23 is fixedly connected to the outer wall of the pressure relief valve 22. By setting up the testing mechanism between the low-pressure pump group 29, the high-pressure pump group 8, and the accumulator 11, the accumulator 11 can be tested for high and low pressure conversion as needed, ensuring the convenience and practicality of the device.

[0025] Working Principle: In the idle area of ​​this device, all the components mentioned above, which are referred to as structural parts, are connected. The specific connection methods should refer to the working principle described below, and the connection between each component should be completed in the order of operation. The detailed connection methods are well-known technologies in this field. The following mainly introduces the working principle and process, and will not explain them further. When using this device, the liquid supply mechanism at the top of the low-pressure pump group 29 and the high-pressure pump group 8 can provide test liquid to the high-pressure pump group 8 and the low-pressure pump group 29, and filter the test liquid to ensure the service life of the test equipment. By setting the test mechanism between the low-pressure pump group 29, the high-pressure pump group 8 and the accumulator 11, the high-low pressure conversion test of the accumulator 11 can be performed as needed, ensuring the convenience and practicality of the device.

[0026] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A container pressure resistance testing device facilitating high-low pressure conversion of an accumulator, comprising a box body (1), both ends of the outer wall of one side of the box body (1) are rotatably connected with cover plates (2), characterized in that, The inner wall of the box (1) is fixedly connected with a fixed plate (3), one end of the fixed plate (3) is provided with an equipment rack (13), a pulling mechanism is arranged between the equipment rack (13) and the fixed plate (3), a plurality of energy accumulators (11) are arranged on the inner wall of the equipment rack (13), a bearing mechanism is arranged on the bottom of the energy accumulator (11), high-pressure pump groups (8) and low-pressure pump groups (29) are fixedly connected on both sides of one end of the inner wall of the box (1), liquid supply mechanisms are arranged on the top of the high-pressure pump groups (8) and the low-pressure pump groups (29), and test mechanisms are arranged between the high-pressure pump groups (8), the low-pressure pump groups (29) and the energy accumulators (11).

2. The pressure resistance testing device for a container facilitating high-low pressure conversion of an accumulator according to claim 1, characterized by, The pulling mechanism comprises a sliding block (19) and a bolt (18), a sliding groove (4) is formed in the outer wall of the fixed plate (3), the sliding block (19) is slidably connected with the inner wall of the sliding groove (4), the sliding block (19) is fixedly connected with the equipment rack (13), and the bolt (18) is threadedly connected with the sliding block (19).

3. The container pressure resistance test device facilitating high-low pressure conversion of an accumulator according to claim 1, characterized by, The bearing mechanism comprises a spring (14) and a damper (15), a bearing plate (16) is fixedly connected with the bottom of the energy accumulator (11), the top and the bottom of the spring (14) and the damper (15) are fixedly connected with the bearing plate (16) and the equipment rack (13) respectively.

4. The pressure resistance testing device for a container facilitating high-low pressure conversion of an accumulator according to claim 1, characterized by, The liquid supply mechanism comprises a water tank (9) and a second flow divider (27), the water tank (9) is fixedly connected with one side of the outer wall of the box (1), a filter tank (28) is fixedly connected with the inner wall of the box (1), filter materials are fixedly connected with the inner wall of the filter tank (28), an inlet pipe (12) is fixedly connected between the filter tank (28) and the water tank (9), the filter tank (28) is fixedly connected with the second flow divider (27), the second flow divider (27) is fixedly connected with the inner wall of the box (1), a plurality of second liquid guide hoses (26) are fixedly connected with the bottom of the second flow divider (27), and the second liquid guide hoses (26) are fixedly connected with the high-pressure pump groups (8) and the low-pressure pump groups (29) respectively.

5. The container pressure resistance test device facilitating high-low pressure conversion of an accumulator according to claim 1, characterized by, The test mechanism comprises a pressure sensor (21) and a first flow divider (5), controllers (7) are fixedly connected with the outer walls of the high-pressure pump groups (8) and the low-pressure pump groups (29), a liquid guide pipe is fixedly connected between the controller (7) and the first flow divider (5), a first check valve (6) is fixedly connected with the outer wall of the liquid guide pipe, an electromagnetic valve (25) is fixedly connected with the outer wall of the first flow divider (5), a water storage module (20) is arranged at one end of the electromagnetic valve (25), a second check valve (24) is fixedly connected between the water storage module (20) and the electromagnetic valve (25), the outer walls of the pressure sensor (21) and the water storage module (20) are fixedly connected, and a first liquid guide hose (17) is fixedly connected between the water storage module (20) and the energy accumulator (11).

6. The pressure resistance testing device for a container facilitating high-low pressure conversion of an accumulator according to claim 5, characterized by, The top of the first flow divider (5) is fixedly connected with a voltage stabilizing device (10).

7. The pressure resistance testing device for a container according to claim 6, wherein The bottom of the water storage module (20) is fixedly connected with a pressure relief valve (22), and the outer wall of the pressure relief valve (22) is fixedly connected with a pressure relief module (23).