A switching power supply testing device
By designing a switching power supply testing device with a threaded rod and motor drive, the height and position of the testing wheel can be adjusted, solving the problems of versatility and efficiency of traditional testing devices, improving the accuracy and stability of testing, and adapting to diverse production needs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN DEPUHUA ELECTRONIC TESTING TECH CO LTD
- Filing Date
- 2025-05-09
- Publication Date
- 2026-08-04
AI Technical Summary
Traditional switching power supply testing equipment is difficult to adapt to diverse testing needs, has low testing efficiency and large errors, cannot meet the rapid testing requirements of mass production, and lacks versatility.
A switching power supply testing device was designed, which adopts a combination structure of threaded rod and motor drive to realize flexible adjustment of the height and position of the test wheel. Combined with an automated push-pull component, it ensures the accuracy and stability of the test.
It improves the versatility and accuracy of testing, reduces the cost and time of replacing equipment, increases testing efficiency, and ensures the stability and security of long-term, high-volume testing.
Smart Images
Figure CN224594809U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of switching power supply testing technology, and in particular to a switching power supply testing device. Background Technology
[0002] With the widespread application of modern electronic devices, switching power supplies, as core components, directly affect the stability and reliability of electronic equipment in terms of quality and performance. As the switching power supply market continues to expand, product types are becoming increasingly diverse, with varying specifications and sizes. Traditional testing devices often struggle to meet diverse testing needs, exhibiting low efficiency and large errors, and are unable to adapt to the rapid testing requirements of mass production. Therefore, there is an urgent need for a highly efficient, accurate, and versatile switching power supply testing device.
[0003] To meet the needs of switching power supply manufacturers and testing institutions, this device must be designed with a high degree of flexibility and automation. On the one hand, it must be able to adapt to the testing of switching power supplies of different specifications, achieving compatibility with various products through an adjustable structure; on the other hand, it must improve testing efficiency and accuracy, ensure the stability and reliability of the testing process, guarantee the safety and stability of long-term operation, and provide effective support for the quality control of switching power supplies.
[0004] Therefore, we propose a switching power supply testing device. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a switching power supply testing device.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: A switching power supply testing device includes a housing with four self-locking casters movably mounted on the bottom surface of the housing. A door is movably mounted on one side of the housing, and the door has several heat dissipation slots. A fixed rod is fixedly mounted on the upper surface of the housing, and a movable rod is slidably mounted inside the fixed rod. A test wheel is movably mounted at the bottom end of the movable rod, and a test component is installed inside the movable rod. A test platform is slidably mounted on the upper surface of the housing, and a fixed component is mounted on the upper surface of the test platform. A push-pull component is mounted on one side of the fixed component.
[0007] As a further embodiment of this utility model: the test component includes a threaded rod, the threaded rod is rotatably connected inside the fixed rod, the threaded rod is threadedly connected to the moving rod, and a handle is rotatably connected to the top of the fixed rod, the handle being fixedly connected to the threaded rod.
[0008] As a further embodiment of this utility model: a groove is provided on the side of the fixed rod near the test wheel, a limiting rod is fixedly installed inside the groove, the limiting rod penetrates the moving rod and is fixedly installed inside the groove, a groove is provided on the bottom surface of the moving rod, and a threaded screw is rotatably connected inside the groove.
[0009] As a further embodiment of this utility model: a movable block is externally threaded to the threaded rod, the movable rod is rotatably connected to the test wheel, and a knob is rotatably connected to the end of the movable rod away from the fixed rod, the knob being fixedly connected to the threaded rod.
[0010] As a further embodiment of this utility model: the fixing component includes a baffle, the baffle is fixedly installed on the upper surface of the test platform, a fixing plate is fixedly installed on the side of the upper surface of the test platform away from the baffle, a pressure plate is movably installed on the side of the fixing plate near the baffle, and a threaded rod is threadedly connected inside the fixing plate, the threaded rod being rotatably connected to the pressure plate.
[0011] As a further embodiment of this utility model: the push-pull assembly includes slide rails, two slide rails are fixedly installed on the upper surface of the housing, the two slide rails are slidably connected to the test platform, a convex shaft is fixedly installed on the upper surface of the test platform, a push-pull rod is rotatably connected to the outside of the convex shaft, an eccentric rod is rotatably connected to the end of the push-pull rod away from the test platform, a motor is fixedly installed inside the housing, and the output end of the motor is fixedly connected to the eccentric rod.
[0012] Compared with the prior art, the present invention provides a switching power supply testing device, which has the following advantages: 1. This utility model, through the cooperation of the threaded rod and handle in the testing component, allows the operator to easily turn the handle to drive the threaded rod to rotate, thereby enabling the moving rod to slide up and down within the fixed rod, flexibly adjusting the height of the test wheel to adapt to switching power supply products of different specifications and sizes. Simultaneously, the threaded screw and knob design inside the moving rod allows the moving block to move along the threaded screw, further fine-tuning the position of the test wheel to ensure testing accuracy. This dual adjustable mechanism for height and position not only greatly improves the versatility of the device, reducing the cost and time of replacing testing equipment due to product specification differences, but also effectively ensures the accuracy and reliability of test results, meeting diverse testing needs and adapting to switching power supply testing work in different production scenarios.
[0013] 2. In this invention, the motor in the push-pull assembly drives the eccentric rod to rotate. The eccentric rod is connected to the convex shaft on the test bench via the push-pull rod, converting the rotational motion of the motor into the reciprocating linear motion of the test bench on the slide rail. This automated design enables the switching power supply to automatically move and test on the test bench without frequent manual pushing. This not only improves testing efficiency and reduces labor costs and intensity, but also ensures the stability and consistency of the testing process. Furthermore, the stable clamping of the switching power supply by the fixing assembly makes the automated testing process safer and more reliable. It can maintain a highly efficient and accurate working state during long-term, high-volume testing tasks, providing strong support for the quality inspection of switching power supplies.
[0014] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of a switching power supply testing device proposed in this utility model; Figure 2 This is a side view cross-sectional structural diagram of a switching power supply testing device proposed in this utility model; Figure 3 This is a three-dimensional structural diagram of the test component of a switching power supply test device proposed in this utility model; Figure 4 This is a three-dimensional structural diagram of a push-pull assembly for a switching power supply testing device proposed in this utility model.
[0016] In the diagram: 1. Housing; 2. Self-locking casters; 3. Door; 4. Heat dissipation groove; 5. Fixing rod; 6. Moving rod; 7. Test wheel; 8. Test assembly; 9. Test platform; 10. Fixing assembly; 11. Push-pull assembly; 12. Threaded rod one; 13. Handle; 14. Slide groove; 15. Limiting rod; 16. Groove; 17. Threaded screw; 18. Moving block; 19. Knob; 20. Baffle; 21. Fixing plate; 22. Pressure plate; 23. Threaded rod two; 24. Slide rail; 25. Protruding shaft; 26. Push-pull rod; 27. Eccentric rod; 28. Motor. Detailed Implementation
[0017] 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.
[0018] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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. Therefore, they should not be construed as limitations on this utility model.
[0019] Example: A switching power supply testing device, such as Figures 1-4 As shown, the device includes a housing 1, four self-locking casters 2 are movably mounted on the bottom surface of the housing 1, a door 3 is movably mounted on one side of the housing 1, the door 3 has several heat dissipation slots 4, a fixed rod 5 is fixedly mounted on the upper surface of the housing 1, a movable rod 6 is slidably mounted inside the fixed rod 5, a test wheel 7 is movably mounted at the bottom end of the movable rod 6, a test assembly 8 is installed inside the movable rod 6, a test platform 9 is slidably mounted on the upper surface of the housing 1, a fixed assembly 10 is mounted on the upper surface of the test platform 9, and a push-pull assembly 11 is mounted on one side of the fixed assembly 10.
[0020] like Figures 1-4 As shown, the test assembly 8 includes a threaded rod 12. The threaded rod 12 is rotatably connected inside the fixed rod 5 and is threadedly connected to the moving rod 6. A handle 13 is rotatably connected to the top of the fixed rod 5 and is fixedly connected to the threaded rod 12. A groove 14 is provided on the side of the fixed rod 5 near the test wheel 7. A limit rod 15 is fixedly installed inside the groove 14, penetrating the moving rod 6 and fixedly installed inside the groove 14. A groove 16 is provided on the bottom surface of the moving rod 6, and a threaded screw 1 is rotatably connected inside the groove 16. 7. The threaded screw 17 is externally threaded with a movable block 18. The movable rod 6 is rotatably connected to the test wheel 7. The end of the movable rod 6 away from the fixed rod 5 is rotatably connected to a knob 19. The knob 19 is fixedly connected to the threaded screw 17. According to the height of the switching power supply and the test requirements, rotate the handle 13 in the test assembly 8 to drive the threaded rod 12 to rotate, so that the movable rod 6 slides up and down in the fixed rod 5 to adjust the height of the test wheel 7. Then rotate the knob 19 to drive the threaded screw 17 to move the movable block 18 and fine-tune the position of the test wheel 7.
[0021] like Figures 1-3 As shown, the fixing component 10 includes a baffle 20. The baffle 20 is fixedly installed on the upper surface of the test platform 9. A fixing plate 21 is fixedly installed on the side of the upper surface of the test platform 9 away from the baffle 20. A pressure plate 22 is movably installed on the side of the fixing plate 21 close to the baffle 20. A threaded rod 23 is threadedly connected inside the fixing plate 21. The threaded rod 23 is rotatably connected to the pressure plate 22. Rotating the threaded rod 23 pushes the pressure plate 22, so that it cooperates with the baffle 20 to firmly clamp the switching power supply.
[0022] like Figures 1-2As shown, the push-pull assembly 11 includes slide rails 24. Two slide rails 24 are fixedly installed on the upper surface of the housing 1. The two slide rails 24 are slidably connected to the test bench 9. A convex shaft 25 is fixedly installed on the upper surface of the test bench 9. A push-pull rod 26 is rotatably connected to the outside of the convex shaft 25. An eccentric rod 27 is rotatably connected to the end of the push-pull rod 26 away from the test bench 9. A motor 28 is fixedly installed inside the housing 1. The output end of the motor 28 is fixedly connected to the eccentric rod 27. When in use, the device is connected to the power supply, and the motor 28 is started. The output end of the motor 28 drives the eccentric rod 27 to rotate. The eccentric rod 27, through the linkage between the push-pull rod 26 and the convex shaft 25, causes the test bench 9 to perform reciprocating linear motion on the slide rails 24. The test wheel 7 contacts the switching power supply to perform various performance tests.
[0023] Working principle: When in use, connect the device to the power supply. First, fix the switching power supply on the test bench 9 through the fixing component 10. Rotate the threaded rod 23 to push the pressure plate 22, so that it cooperates with the baffle 20 to firmly clamp the switching power supply. Then, according to the height of the switching power supply and the test requirements, rotate the handle 13 in the test component 8 to drive the threaded rod 12 to rotate, so that the moving rod 6 slides up and down in the fixing rod 5 to adjust the height of the test wheel 7. Then, rotate the knob 19 to drive the threaded screw 17 to move the moving block 18 and fine-tune the position of the test wheel 7. Next, start the motor 28. The output end of the motor 28 drives the eccentric rod 27 to rotate. The eccentric rod 27, through the linkage of the push-pull rod 26 and the cam shaft 25, makes the test bench 9 reciprocate linearly on the slide rail 24. The test wheel 7 contacts the switching power supply to perform various performance tests. The heat dissipation groove 4 on the door 3 can help the device dissipate heat during operation to ensure a stable test environment.
[0024] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A switched mode power supply testing apparatus comprising a housing (1), characterised in that The bottom surface of the box (1) is movably equipped with four self-locking casters (2). A box door (3) is movably installed on one side of the box (1). The box door (3) has several heat dissipation slots (4). A fixing rod (5) is fixedly installed on the upper surface of the box (1). A moving rod (6) is slidably installed inside the fixing rod (5). A test wheel (7) is movably installed at the bottom end of the moving rod (6). A test component (8) is installed inside the moving rod (6). A test platform (9) is slidably installed on the upper surface of the box (1). A fixing component (10) is installed on the upper surface of the test platform (9). A push-pull component (11) is installed on one side of the fixing component (10).
2. The switching power supply testing device according to claim 1, wherein The test component (8) includes a threaded rod (12), which is rotatably connected inside the fixed rod (5). The threaded rod (12) is threadedly connected to the moving rod (6). A handle (13) is rotatably connected to the top of the fixed rod (5), and the handle (13) is fixedly connected to the threaded rod (12).
3. The switching power supply testing device of claim 1, wherein The fixed rod (5) has a groove (14) on the side near the test wheel (7). A limit rod (15) is fixedly installed inside the groove (14). The limit rod (15) penetrates the moving rod (6) and is fixedly installed inside the groove (14). The bottom surface of the moving rod (6) has a groove (16). A threaded screw (17) is rotatably connected inside the groove (16).
4. The switching power supply testing apparatus according to claim 3, wherein The threaded screw (17) is externally threaded with a movable block (18), the movable rod (6) is rotatably connected to the test wheel (7), and a knob (19) is rotatably connected to the end of the movable rod (6) away from the fixed rod (5). The knob (19) is fixedly connected to the threaded screw (17).
5. The switching power supply testing apparatus according to claim 4, wherein The fixing component (10) includes a baffle (20). The baffle (20) is fixedly installed on the upper surface of the test platform (9). A fixing plate (21) is fixedly installed on the side of the upper surface of the test platform (9) away from the baffle (20). A pressure plate (22) is movably installed on the side of the fixing plate (21) close to the baffle (20). A threaded rod (23) is threadedly connected inside the fixing plate (21). The threaded rod (23) is rotatably connected to the pressure plate (22).
6. The switching power supply testing apparatus according to claim 5, wherein The push-pull assembly (11) includes a slide rail (24). Two slide rails (24) are fixedly installed on the upper surface of the housing (1). The two slide rails (24) are slidably connected to the test platform (9). A convex shaft (25) is fixedly installed on the upper surface of the test platform (9). A push-pull rod (26) is rotatably connected to the outside of the convex shaft (25). An eccentric rod (27) is rotatably connected to the end of the push-pull rod (26) away from the test platform (9). A motor (28) is fixedly installed inside the housing (1). The output end of the motor (28) is fixedly connected to the eccentric rod (27).