A compressor test fixture

By integrating multiple detection units and a stable fixed structure, the compressor test fixture solves the problem of incomplete detection in existing technologies, and achieves efficient and stable compressor testing.

CN224301041UActive Publication Date: 2026-05-29SUZHOU OXYDUODUO MEDICAL TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU OXYDUODUO MEDICAL TECHNOLOGY CO LTD
Filing Date
2025-06-30
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing compressor testing equipment cannot simultaneously collect composite parameters such as pressure, flow rate, and vibration, resulting in poor testing performance. Furthermore, it has poor compatibility with compressor fixtures, making it inconvenient to use.

Method used

A compressor testing fixture was designed, integrating a power analyzer, pressure detection unit, flow detection unit, infrared thermal imager, acoustic detection unit, contact thermocouple wire and other detection units. The fixture achieves stable fixation of the compressor and multi-parameter detection through structures such as fixed clamping blocks, moving clamping blocks and support blocks.

Benefits of technology

It achieves efficient and comprehensive testing with excellent results. The compressor is fixed and stable, easy to use, and has good adaptability, thus improving testing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of compressor test fixture, including workbench, the connecting sleeve inner wall is fixedly connected with connecting spring, and the connecting spring one end is fixedly connected with support block, operation display screen, power analyzer, pressure detection unit, flow detection unit, infrared thermal imager, acoustics detection unit, contact thermocouple line, screw mechanism, vibration detection unit and main control ware electric connection.This kind of compressor test fixture can be efficiently detected by power analyzer, pressure detection unit, flow detection unit, infrared thermal imager, acoustics detection unit, contact thermocouple line, integrated effect is better, more comprehensive, and can be quickly and stably installed by support pad, adhesion block, interface, intercommunication connecting groove, sealing ring, and compressor can be clamped by fixed clamp block, moving clamp block, and can be adapted support by support block, connecting spring, connecting sleeve, more stable detection, use effect is better.
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Description

Technical Field

[0001] This utility model relates to the field of compressor testing technology, specifically a compressor testing fixture. Background Technology

[0002] With the continuous improvement of living standards, people are paying more and more attention to health, and oxygen inhalation has gradually become an important means of home-based patient rehabilitation. Home oxygen concentrators are widely used due to their convenience and portability. An oxygen concentrator is a device that produces oxygen using air separation technology, belonging to the physical separation method. It utilizes the adsorption properties of molecular sieves, employing physical principles and powered by a large-displacement oil-free compressor to separate nitrogen and oxygen from the air, ultimately obtaining a high concentration of oxygen. This type of oxygen concentrator produces oxygen rapidly and at a high concentration, suitable for oxygen therapy and health maintenance for various groups. It also has low power consumption and high cost-effectiveness. Before the compressor is installed in the oxygen concentrator, it needs to undergo performance testing to check for any problems.

[0003] A compressor testing device, CN202120468374.1, integrates testing instruments such as pressure gauges, flow meters, temperature sensors, and power testers into a cabinet. This eliminates the need for operators to waste time searching for these instruments and facilitates their management, thus improving testing efficiency. However, it has shortcomings. The existing device cannot simultaneously collect composite parameters such as pressure, flow rate, and vibration, resulting in poor testing performance. Furthermore, it has poor compatibility with compressor mounting, making it inconvenient to use. Therefore, a compressor testing fixture is needed to solve these problems. Utility Model Content

[0004] The purpose of this utility model is to provide a compressor testing fixture to solve the problems mentioned in the background art, such as the inability of compressor testing devices to simultaneously collect composite parameters such as pressure, flow rate, and vibration, resulting in poor testing effects, poor compressor fixation adaptability, and inconvenience in use.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a compressor testing fixture, comprising a workbench, an adjustment platform fixedly connected to one side of the upper end of the workbench, and a main controller electrically connected to one side of the workbench; an operation display screen electrically connected to the front of the other side of the upper end of the workbench, and a power analyzer electrically connected to the rear of the other side of the upper end of the workbench; a pressure detection unit distributed on the other side of the power analyzer, and a flow detection unit electrically connected to the other side of the pressure detection unit; a silicone connecting tube connected to the upper end of the flow detection unit, and a connecting groove rotatably connected to the other end of the silicone connecting tube; a sealing ring fixedly connected to the other end of the inner wall of the connecting groove, and an interface inserted into the inner wall of the connecting groove; a compressor fixedly connected to the other end of the interface; an acoustic detection unit fixedly connected to the middle position of the rear side of the upper end of the workbench, and an infrared thermal imager fixedly connected to the upper end of the acoustic detection unit; a contact thermal imager electrically connected to the lower front end of the infrared thermal imager. The thermocouple wire is provided, with a support pad fixedly connected to one end of the contact thermocouple wire. An adhesive block is attached to the other end of the support pad. A silicone shock-absorbing airbag is inserted into the lower end of the outer wall of the adjustment platform. A slide is fixedly connected to the upper end of the adjustment platform. A fixed clamping block is vertically fixedly connected to one side of the slide, and a lead screw mechanism is fixedly fixedly connected to the upper end of the other side of the slide. Moving clamping blocks are distributed on the outer wall of the lead screw mechanism and are slidably connected to the slide. Threaded grooves are opened on the inner sides of the fixed and moving clamping blocks, and threaded rods are inserted into the inner walls of the threaded grooves. A connecting sleeve is fixedly connected to one end of the threaded rod. A connecting spring is fixedly connected to the inner wall of the connecting sleeve, and a support block is fixedly connected to one end of the connecting spring. A vibration detection unit is fixedly connected to one side of the upper end of the moving clamping block. The operation display screen, power analyzer, pressure detection unit, flow detection unit, infrared thermal imager, acoustic detection unit, contact thermocouple wire, lead screw mechanism, vibration detection unit, and main controller are electrically connected.

[0006] Preferably, the pressure detection unit and the flow detection unit are screwed into and connected to the compressor through an interface and a connecting groove, and the connecting groove is sealed to the interface through a sealing ring.

[0007] Preferably, the infrared thermal imager and the acoustic detection unit are distributed in a protruding position on the upper end of the worktable, and the infrared thermal imager and the acoustic detection unit are rotatably connected to the worktable. The acoustic detection unit is a ring microphone array structure.

[0008] Preferably, the contact thermocouple wire is supported and installed in close contact with the compressor via a support pad and an adhesive block, and the adhesive block and the support pad are installed in an adhesive manner.

[0009] Preferably, the slide is movably connected to the worktable along the X, Y, and Z axes via an adjustment platform, and the slide and adjustment platform are elastically supported by silicone shock-absorbing airbags.

[0010] Preferably, the compressor is telescopically clamped to the fixed clamping block via a movable clamping block and a screw mechanism, the support block is elastically telescopically connected to the connecting sleeve via a connecting spring, and the support block and the connecting sleeve are distributed in a matrix position on the fixed clamping block and the movable clamping block. The connecting sleeve is screwed and spliced ​​to the fixed clamping block and the movable clamping block via a threaded rod and a threaded groove.

[0011] Compared with the prior art, the beneficial effects of this utility model are: the compressor test fixture can perform efficient testing through a power analyzer, pressure detection unit, flow detection unit, infrared thermal imager, acoustic detection unit, and contact thermocouple wire, with better and more comprehensive integration effect. Moreover, it can be quickly and stably installed through support pads, adhesive blocks, interfaces, connecting grooves, and sealing rings. Furthermore, the compressor can be clamped by fixed clamp blocks and moving clamp blocks, and can be adapted and supported by support blocks, connecting springs, and connecting sleeves, resulting in more stable testing and better performance. Attached Figure Description

[0012] Figure 1 This is a perspective view of a compressor testing fixture according to the present invention;

[0013] Figure 2 This is a schematic diagram showing the connection between the silicone connecting tube of the compressor testing fixture and the compressor according to this utility model;

[0014] Figure 3 This is a schematic diagram of the connection between the contact thermocouple wire and the support pad of a compressor testing fixture according to this utility model;

[0015] Figure 4 This is a schematic diagram of the inner wall structure of the moving clamp block of a compressor testing fixture according to this utility model;

[0016] Figure 5 This utility model relates to a compressor testing fixture. Figure 2 Enlarged view of point A in the middle.

[0017] In the diagram: 1. Workbench, 2. Main controller, 3. Operation display screen, 4. Power analyzer, 5. Pressure detection unit, 6. Flow detection unit, 7. Silicone connecting tube, 8. Infrared thermal imager, 9. Acoustic detection unit, 10. Contact thermocouple wire, 11. Fixed clamping block, 12. Moving clamping block, 13. Screw mechanism, 14. Slide table, 15. Adjustment platform, 16. Compressor, 17. Silicone shock-absorbing airbag, 18. Interface, 19. Support pad, 20. Adhesive block, 21. Support block, 22. Connecting spring, 23. Connecting sleeve, 24. Threaded rod, 25. Threaded groove, 26. Connecting groove, 27. Sealing ring, 28. Vibration detection unit. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figure 1-5This utility model provides a technical solution: a compressor testing fixture, including a workbench 1, a main controller 2, an operation display screen 3, a power analyzer 4, a pressure detection unit 5, a flow detection unit 6, a silicone connecting tube 7, an infrared thermal imager 8, an acoustic detection unit 9, a contact thermocouple wire 10, a fixed clamping block 11, a moving clamping block 12, a lead screw mechanism 13, a slide table 14, an adjustment platform 15, a compressor 16, a silicone shock-absorbing airbag 17, an interface 18, a support pad 19, an adhesive block 20, a support block 21, a connecting spring 22, a connecting sleeve 23, a threaded rod 24, a threaded groove 25, a connecting groove 26, a sealing ring 27, and a vibration detection unit 28. An adjustment platform 15 is fixedly connected to one side of the upper end of the workbench 1, and one side of the workbench 1 is electrically... The system is electrically connected to a main controller 2. An operation display screen 3 is electrically connected to the front of the other side of the upper end of the workbench 1, and a power analyzer 4 is electrically connected to the rear of the other side of the upper end of the workbench 1. A pressure detection unit 5 is distributed on the other side of the power analyzer 4, and a flow detection unit 6 is electrically connected to the other side of the pressure detection unit 5. The pressure detection unit 5 and the flow detection unit 6 are screwed into and connected to the compressor 16 via an interface 18 and a connecting groove 26. The connecting groove 26 is sealed to the interface 18 via a sealing ring 27, allowing for quick and stable connection between the pressure detection unit 5 and the flow detection unit 6 and the compressor 16. A silicone connecting tube 7 is connected to the upper end of the flow detection unit 6, and the other end of the silicone connecting tube 7 is rotatably connected to a connecting... A connecting groove 26 is connected to a sealing ring 27 at one end of its inner wall, and an interface 18 is inserted into the inner wall of the connecting groove 26. The other end of the interface 18 is fixedly connected to a compressor 16. The compressor 16 is telescopically clamped to a fixed clamp 11 via a movable clamping block 12 and a screw mechanism 13. A support block 21 is elastically telescopically connected to a connecting sleeve 23 via a connecting spring 22. The support block 21 and the connecting sleeve 23 are arranged in a matrix on the fixed clamping block 11 and the movable clamping block 12. The connecting sleeve 23 is screwed onto the fixed clamping block 11 and the movable clamping block 12 via a threaded rod 24 and a threaded groove 25. This allows the compressor 16 to be adapted and supported by the support block 21, the connecting spring 22, and the connecting sleeve 23, ensuring stable fixation. The support block 21, connecting spring 22, and connecting sleeve 23 are easily disassembled and assembled independently, facilitating maintenance. An acoustic detection unit 9 is fixedly connected to the middle of the rear side of the upper end of the workbench 1, and an infrared thermal imager 8 is fixedly connected to the upper end of the acoustic detection unit 9. The infrared thermal imager 8 and the acoustic detection unit 9 are distributed in a protruding position on the upper end of the workbench 1, and are rotatably connected to the workbench 1. The acoustic detection unit 9 has a ring microphone array structure, enabling the infrared thermal imager 8 and the acoustic detection unit 9 to perform efficient temperature and noise detection with excellent results. A contact thermocouple wire 10 is electrically connected to the lower front side of the infrared thermal imager 8, and a support pad 19 is fixedly connected to the other end of the contact thermocouple wire 10.The contact thermocouple wire 10 is supported and installed in close contact with the compressor 16 via a support pad 19 and an adhesive block 20. The adhesive block 20 is also adhesively attached to the support pad 19, ensuring a stable and secure installation of the contact thermocouple wire 10, preventing it from falling off and facilitating use. An adhesive block 20 is attached to the other end of the support pad 19. A silicone shock-absorbing airbag 17 is inserted into the lower end of the outer wall of the adjusting platform 15, and a slide 14 is fixedly connected to the upper end of the adjusting platform 15. A clamping block 11 is vertically fixed to one side of the slide 14, and a lead screw mechanism 13 is parallelly fixed to the upper end of the other side of the slide 14. The slide 14 is movably connected to the worktable 14 along the X, Y, and Z axes via the adjusting platform 15. The slide 14 and the adjusting platform 15 are elastically supported by the silicone shock-absorbing airbag 17, allowing the slide 14 to... The system allows for three-axis adjustment and provides effective buffering and support, facilitating easy adaptation and adjustment. A movable clamping block 12 is fitted onto the outer wall of the screw mechanism 13, and the movable clamping block 12 is slidably connected to the slide table 14. Threaded grooves 25 are formed on the inner sides of the fixed clamping block 11 and the movable clamping block 12, and a threaded rod 24 is inserted into the inner wall of the threaded groove 25. A connecting sleeve 23 is fixedly connected to one end of the threaded rod 24, and a connecting spring 22 is fixedly connected to the inner wall of the connecting sleeve 23. A support block 21 is fixedly connected to one end of the connecting spring 22. A vibration detection unit 28 is fixedly connected to one side of the upper end of the movable clamping block 12. The operation display screen 3, power analyzer 4, pressure detection unit 5, flow detection unit 6, infrared thermal imager 8, acoustic detection unit 9, contact thermocouple wire 10, screw mechanism 13, vibration detection unit 28, and main controller 2 are electrically connected.

[0020] Working principle: When using this compressor test fixture, first connect the device to the power supply, then place the compressor 16 at the fixed clamping block 11, and then clamp the compressor 16 through the moving clamping block 12 and the lead screw mechanism 13, and adapt and support it through the support block 21, the connecting spring 22, and the connecting sleeve 23. Then, the contact thermocouple wire 10 is attached and fixed to the compressor 16 through the support pad 19 and the adhesive block 20. Next, the infrared thermal imager 8 and the acoustic detection unit 9 are adjusted to the position of the compressor 16. Then, the pressure detection unit 5 and the flow detection unit 6 are screwed and connected to the compressor 16 through the silicone connecting tube 7, the interface 18, the connecting groove 26, and the sealing ring 27. Then, the detection platform is started by the main controller 2 to perform multiple tests, and the results are displayed centrally on the operation display screen 3 for rapid and continuous operation. When the support block 21, the connecting spring 22, or the connecting sleeve 23 is damaged, it can be independently disassembled and replaced through the threaded rod 24 and the threaded groove 25. This is the usage process of this compressor test fixture.

[0021] It should be noted that this utility model is a compressor testing fixture. All components are standard parts or parts known to those skilled in the art. Its structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. Furthermore, all electrical components mentioned above refer to power elements, electrical components, and the matching monitoring computer and power supply connected by wires. The specific connection method should refer to the working principle mentioned above, and the electrical connection between each electrical component should be completed in the order of operation. The detailed connection method is a well-known technology in the field.

[0022] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A compressor testing fixture, comprising a workbench (1), wherein an adjustment platform (15) is fixedly connected to one side of the upper end of the workbench (1), and a main controller (2) is electrically connected to one side of the workbench (1), characterized in that: An operation display screen (3) is electrically connected to the front side of the other side of the upper end of the workbench (1), and a power analyzer (4) is electrically connected to the rear side of the other side of the upper end of the workbench (1). A pressure detection unit (5) is distributed on the other side of the power analyzer (4), and a flow detection unit (6) is electrically connected to the other side of the pressure detection unit (5). A silicone connecting tube (7) is connected to the upper end of the flow detection unit (6), and a connecting groove (26) is rotatably connected to the other end of the silicone connecting tube (7). A sealing ring (27) is fixedly connected to the other end of the inner wall of the connecting groove (26), and the connecting groove ( 26) An interface (18) is inserted into the inner wall. The other end of the interface (18) is fixedly connected to a compressor (16). An acoustic detection unit (9) is fixedly connected to the middle position of the rear side of the upper end of the workbench (1). An infrared thermal imager (8) is fixedly connected to the upper end of the acoustic detection unit (9). A contact thermocouple wire (10) is electrically connected to the lower front side of the infrared thermal imager (8). A support pad (19) is fixedly connected to the other end of the contact thermocouple wire (10). An adhesive block (20) is attached to the other end of the support pad (19). The lower end of the outer wall of the adjustment platform (15) A silicone shock-absorbing airbag (17) is inserted and connected, and a slide (14) is fixedly connected to the upper end of the adjustment platform (15). A fixed clamping block (11) is vertically fixedly connected to one side of the slide (14), and a screw mechanism (13) is fixedly connected to the upper end of the other side of the slide (14). A movable clamping block (12) is fitted and distributed on the outer wall of the screw mechanism (13), and the movable clamping block (12) is slidably connected to the slide (14). Threaded grooves (25) are opened on the inner sides of the fixed clamping block (11) and the movable clamping block (12), and a threaded rod (24) is inserted and connected to the inner wall of the threaded groove (25). One end of the connecting sleeve (23) is fixedly connected to the connecting sleeve (23), and a connecting spring (22) is fixedly connected to the inner wall of the connecting sleeve (23). A support block (21) is fixedly connected to one end of the connecting spring (22). A vibration detection unit (28) is fixedly connected to one side of the upper end of the moving clamp block (12). The operation display screen (3), power analyzer (4), pressure detection unit (5), flow detection unit (6), infrared thermal imager (8), acoustic detection unit (9), contact thermocouple wire (10), screw mechanism (13), vibration detection unit (28) are electrically connected to the main controller (2).

2. The compressor testing fixture according to claim 1, characterized in that: The pressure detection unit (5) and flow detection unit (6) are connected to the compressor (16) through the interface (18) and the connecting groove (26), and the connecting groove (26) is connected to the interface (18) in a tight seal through the sealing ring (27).

3. A compressor testing fixture according to claim 2, characterized in that: The infrared thermal imager (8) and the acoustic detection unit (9) are distributed in a protruding position on the upper end of the worktable (1), and the infrared thermal imager (8) and the acoustic detection unit (9) are rotatably connected to the worktable (1). The acoustic detection unit (9) is a ring microphone array structure.

4. A compressor testing fixture according to claim 3, characterized in that: The contact thermocouple wire (10) is attached to and supported by the compressor (16) through the support pad (19) and the adhesive block (20), and the adhesive block (20) and the support pad (19) are attached together.

5. A compressor testing fixture according to claim 4, characterized in that: The slide (14) is movably connected to the worktable (1) along the X, Y, and Z axes via the adjustment platform (15), and the slide (14) and the adjustment platform (15) are elastically supported by the worktable (1) via the silicone shock-absorbing airbag (17).

6. A compressor testing fixture according to claim 5, characterized in that: The compressor (16) is telescopically clamped to the fixed clamp (11) via the movable clamp (12) and the screw mechanism (13). The support block (21) is elastically telescopically connected to the connecting sleeve (23) via the connecting spring (22). The support block (21) and the connecting sleeve (23) are distributed in a matrix position on the fixed clamp (11) and the movable clamp (12). The connecting sleeve (23) is screwed and spliced ​​to the fixed clamp (11) and the movable clamp (12) via the threaded rod (24) and the threaded groove (25).