Aging instrument for testing switching power supply

Abstract

The utility model discloses an aging instrument for testing a switching power supply, which belongs to the technical field of switching power supply testing and comprises an aging tester, an arranged protection mechanism is matched with the aging tester for use, and when the switching power supply is placed on a placing plate in a testing area for hot air aging testing, the aging tester is used for testing the switching power supply. The driving motor is started to drive the output end to drive the driving gear to rotate, the driving gear drives the driven gear to rotate under the meshing effect, the driven gear drives the two-way threaded rod to rotate through the rotating rod, and the connecting blocks in bilateral symmetry drive the sliding blocks to slide in the sliding openings in the process that the connecting blocks make relative movement along the two-way threaded rod through the threaded holes. The sliding blocks drive the sealing doors to move, and the left and right symmetrical sealing doors move relatively to shield and protect the test area, so that the problem of loss of hot air and temperature during test can be avoided, and the hot air and temperature can stay in the test area for a long time to perform aging test on the switching power supply.

Description

Technical Field

[0001] The utility model relates to the technical field of switching power supply testing, in particular to an aging instrument for switching power supply testing. Background Art

[0002] A switching power supply burn-in tester is a specialized device used to test the stability and reliability of switching power supplies. It simulates high temperatures and harsh environments, subjecting the power supply to prolonged operation to evaluate its performance under these extreme conditions. This testing method, also known as burn-in testing or power-on testing, is a key tool for switching power supply manufacturers to improve product quality and market competitiveness. The burn-in tester monitors various parameters of the switching power supply during testing, such as temperature, voltage, and current, to identify and provide timely feedback on potential issues, ensuring the stability and reliability of the final product released to market.

[0003] In the prior art, during the actual use of some aging instruments for testing switching power supplies, when the switching power supply is placed on a placement board in a test area for a hot air aging test, the test area is in an open state during the test, resulting in the hot air and heat generated in the aging instrument being lost at an accelerated rate during the test, thereby not only increasing the power consumption rate during the test, but also extending the test time and reducing the test effect and test efficiency of the switching power supply. Utility Model Content

[0004] The main purpose of the utility model is to provide an aging instrument for testing a switching power supply, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The cam is secured to the front of the drive gear and is engaged with the driven gear by the spring, and the cam is secured to the front of the drive gear by the spring.

[0007] Preferably, the mechanism housing is fixedly mounted on the front bottom of the aging tester, and a driving motor is fixedly mounted on the inner right side wall of the mechanism housing, and a driving gear is fixedly mounted on the output end of the driving motor.

[0008] Preferably, a rotation hole is respectively provided on the left and right side walls of the mechanism housing, and an outer cover is fixedly mounted on the right side wall of the mechanism housing.

[0009] Preferably, the left and right ends of the bidirectional threaded rod are respectively fixed with rotating rods, and the rotating rods are movably installed in the rotating holes, and a driven gear is fixedly installed on the outer end of the rotating rod at the right end and is located in the outer cover, and the driven gear and the driving gear are meshed with each other.

[0010] Preferably, the front end wall of the aging tester is fixedly mounted with horizontal plates at the upper and lower ends of the test area, and a sliding opening is formed on the top surface of the horizontal plates.

[0011] Preferably, the sealing door is provided with a group of left-right symmetrical ones, and sliders are fixedly installed on the inner parts of the top and bottom surfaces of the sealing door respectively, the sliders are movably installed in the sliding mouth, and a connecting block is also fixedly installed on the bottom surface of the lower slider, and a threaded hole is opened on the side wall of the connecting block, and the connecting block is threadedly connected to the bidirectional threaded rod through the threaded hole.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] In the present invention, the protective mechanism is provided in conjunction with the use of the aging tester. When the switching power supply is placed on the placement plate in the test area for hot air aging test, the driving motor is turned on to drive the output end to drive the active gear to rotate. The active gear drives the driven gear to rotate under the meshing action. The driven gear will drive the bidirectional threaded rod to rotate through the rotating rod, so that the left and right symmetrical connecting blocks make relative movements along the bidirectional threaded rod through the threaded hole, driving the slider to slide in the sliding mouth. The slider will drive the sealing door to move, and the left and right symmetrical sealing doors will make relative movements, so as to achieve shielding and protection for the test area, thereby avoiding the problem of hot air and temperature loss during the test, ensuring that the hot air and temperature can stay in the test area for a long time to perform aging test on the switching power supply, and preventing external factors from affecting the switching power supply during the test, thereby not only reducing the power consumption rate and test time during the test, but also improving the test effect and test efficiency of the switching power supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the overall structure of the aging tester of the present utility model;

[0016] Figure 3 This is a schematic diagram of the structural breakdown of the protective mechanism of the present utility model;

[0017] Figure 4 For the utility model Figure 3 A magnified schematic diagram of the structure at point A.

[0018] In the figure: 1. Aging tester; 2. Test area; 3. Placement plate; 4. Protective mechanism; 5. Horizontal plate; 6. Slide; 7. Sealing door; 8. Slider; 9. Connecting block; 10. Threaded hole; 11. Mechanism housing; 12. Rotation hole; 13. Outer cover; 14. Bidirectional threaded rod; 15. Rotation rod; 16. Driven gear; 17. Drive motor; 18. Driving gear. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] like Figure 1 - Figure 4 As shown, a aging instrument for testing a switching power supply includes an aging tester 1. The front end of the aging tester 1 is provided with a test area 2, and a placement plate 3 is provided inside the test area 2. The front end of the aging tester 1 is provided with a protective mechanism 4, and the protective mechanism 4 includes a horizontal plate 5, a sealing door 7, a mechanism housing 11, a bidirectional threaded rod 14, a driven gear 16, a drive motor 17 and a driving gear 18. The front end of the aging tester 1 is fixedly connected to a group of symmetrical horizontal plates 5, and the two sealing doors 7 are movably connected between the horizontal plates 5 through sliders 8 at the upper and lower ends respectively. The mechanism housing 11 is fixedly connected to the bottom of the front end of the aging tester 1, and the bidirectional threaded rod 14 is movably connected to the inside of the mechanism housing 11 through rotating rods 15 at both ends. The driven gear 16 is fixedly connected to the outer end wall of the rotating rod 15 at one end, the drive motor 17 is fixedly connected to the inner side wall of the mechanism housing 11, and the driving gear 18 is fixedly connected to the output end of the drive motor 17 and meshes with the driven gear 16. The lower end slider 8 is also movably connected to the bidirectional threaded rod 14 through the connecting block 9 at the bottom.

[0021] like Figure 3 and Figure 4 As shown, the mechanism housing 11 is fixedly mounted on the front bottom of the aging tester 1, and a drive motor 17 is fixedly mounted on the right side wall inside the mechanism housing 11. A driving gear 18 is fixedly mounted on the output end of the drive motor 17. When the switching power supply is placed on the placement plate 3 in the test area 2 for hot air aging test, the drive motor 17 is turned on to drive the output end to drive the driving gear 18 to rotate;

[0022] like Figure 4As shown, a rotation hole 12 is respectively opened on the left and right side walls of the mechanism housing 11, and an outer cover 13 is fixedly installed on the right side wall of the mechanism housing 11. The rotation hole 12 opened on the mechanism housing 11 is used to cooperate with the rotating rod 15 to realize the rotation operation, and the outer cover 13 can protect the driving gear 18 and the driven gear 16;

[0023] like Figure 4 As shown, the left and right ends of the bidirectional threaded rod 14 are respectively fixedly mounted with a rotating rod 15, and the rotating rod 15 is movably mounted in the rotating hole 12. A driven gear 16 is fixedly mounted on the outer end of the right end rotating rod 15 and is located in the outer cover 13. The driven gear 16 and the driving gear 18 are meshed with each other. Under the rotation and meshing action of the driving gear 18, the driven gear 16 will be driven to rotate. The driven gear 16 will drive the rotating rod 15 to rotate in the rotating hole 12, and the rotating rod 15 will drive the bidirectional threaded rod 14 to rotate.

[0024] like Figure 2 As shown, the front end wall of the aging tester 1 is fixedly mounted with horizontal plates 5 at the upper and lower ends of the test area 2, and a sliding opening 6 is provided on the top surface of the horizontal plate 5. The sliding opening 6 provided on the top surface of the horizontal plate 5 is used to cooperate with the sliding of the slider 8.

[0025] like Figure 3 and Figure 4 As shown, the sealing door 7 is provided with a left-right symmetrical group, and the inner parts of the top and bottom surfaces of the sealing door 7 are respectively fixedly installed with sliders 8, which are movably installed in the sliding mouth 6, and the bottom surface of the lower slider 8 is also fixedly installed with a connecting block 9, and the side wall of the connecting block 9 is provided with a threaded hole 10, and the connecting block 9 is threadedly connected to the two-way threaded rod 14 through the threaded hole 10. Driven by the rotation of the two-way threaded rod 14, the left-right symmetrical connecting blocks 9 will make relative movement along the two-way threaded rod 14 through the threaded hole 10 provided on the side wall, and the connecting blocks 9 will drive the slider 8 to slide in the sliding mouth 6, and the slider 8 will drive the sealing door 7 to move between the horizontal plates 5. The left-right symmetrical sealing doors 7 will make relative movement and close to block the front end of the test area 2, so as to prevent the loss of hot air and temperature used for testing the switching power supply in the test area 2.

[0026] It should be noted that the present invention is an aging instrument for testing a switching power supply. After the switching power supply to be tested is placed on the placement plate 3 in the test area 2 and subjected to a hot air aging test by the aging tester 1, the driving motor 17 installed on the right side wall of the mechanism housing 11 is turned on. The driving motor 17 will drive the output end to drive the driving gear 18 to rotate. The driving gear 18 will drive the driven gear 16 to rotate under the action of meshing with the driven gear 16. The driven gear 16 will drive the rotating rods 15 installed at the left and right ends of the two-way threaded rod 14 to rotate in the rotating holes 12 opened on the left and right side walls of the mechanism housing 11, and the rotating rods 15 will drive the two-way threaded rod 14 to rotate in the mechanism housing 11. At this time, because the connecting block 9 is installed on the bottom end of the slider 8 on the bottom surface of the sealing door 7, and through the The threaded hole 10 is threadedly connected to the bidirectional threaded rod 14, so the connecting block 9 will move in relative directions along the bidirectional threaded rod 14 through the threaded hole 10, and the connecting block 9 will drive the sliders 8 installed on the top and bottom surfaces of the sealing door 7 to slide in the sliding opening 6 opened on the top surface of the upper and lower symmetrical horizontal plates 5 installed at the front end of the aging tester 1. When sliding, the slider 8 will drive the sealing door 7 to move inward between the horizontal plates 5, and the left and right symmetrical sealing doors 7 will make relative movement operations until they are closed and blocked at the front end of the test area 2, so as to prevent the hot air and temperature used for testing the switching power supply in the test area 2 from being lost, and also prevent external factors from affecting the switching power supply during the test, thereby not only reducing the power consumption rate and test time during the test, but also improving the test effect and test efficiency of the switching power supply.

[0027] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, various improvements may be made to the present invention and its components may be replaced with equivalents, or some of its technical features may be replaced with equivalents without departing from the scope of the present invention. Anything within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An aging instrument for testing a switching power supply, comprising an aging tester (1), wherein a front end of the aging tester (1) is provided with a test area (2), and a placement plate (3) is provided inside the test area (2), characterized in that: The front end of the aging tester (1) is provided with a protective mechanism (4), and the protective mechanism (4) includes a transverse plate (5), a sealing door (7), a mechanism housing (11), a bidirectional threaded rod (14), a driven gear (16), a drive motor (17) and a driving gear (18). The front end of the aging tester (1) is fixedly connected to a set of symmetrical transverse plates (5), and the two sealing doors (7) are movably connected between the transverse plates (5) through sliders (8) at the upper and lower ends respectively. The mechanism housing (11) is fixedly connected to the front of the aging tester (1). The bottom of the end, and the bidirectional threaded rod (14) is movably connected to the inside of the mechanism housing (11) through the rotating rods (15) at both ends, the driven gear (16) is fixedly connected to the outer end wall of one end of the rotating rod (15), the driving motor (17) is fixedly connected to the inner side wall of the mechanism housing (11), and the driving gear (18) is fixedly connected to the output end of the driving motor (17) and meshes with the driven gear (16), and the slider (8) at the lower end is also movably connected to the bidirectional threaded rod (14) through the connecting block (9) at the bottom end.

2. The switching power supply aging instrument according to claim 1, characterized in that: The mechanism housing (11) is fixedly mounted on the front bottom of the aging tester (1), and a drive motor (17) is fixedly mounted on the inner right side wall of the mechanism housing (11), and a driving gear (18) is fixedly mounted on the output end of the drive motor (17).

3. The switching power supply aging instrument according to claim 2, characterized in that: Rotation holes (12) are respectively provided on the left and right side walls of the mechanism housing (11), and an outer cover (13) is fixedly mounted on the right side wall of the mechanism housing (11).

4. The switching power supply aging instrument according to claim 3, characterized in that: A rotating rod (15) is fixedly mounted on the left and right ends of the bidirectional threaded rod (14), and the rotating rod (15) is movably mounted in the rotating hole (12). A driven gear (16) is fixedly mounted on the outer end of the rotating rod (15) at the right end and is located in the outer cover (13), and the driven gear (16) and the driving gear (18) are meshed with each other.

5. The switching power supply aging instrument according to claim 4, characterized in that: The front end wall of the aging tester (1) is fixedly mounted with horizontal plates (5) at the upper and lower ends of the test area (2), and a sliding opening (6) is provided on the top surface of the horizontal plate (5).

6. The switching power supply aging instrument according to claim 5, characterized in that: The sealing door (7) is provided with a group of left-right symmetrical ones, and the inner parts of the top surface and the bottom surface of the sealing door (7) are respectively fixedly mounted with sliders (8), the sliders (8) are movably mounted in the sliding opening (6), and the bottom surface of the lower slider (8) is also fixedly mounted with a connecting block (9), the side wall of the connecting block (9) is provided with a threaded hole (10), and the connecting block (9) is threadedly connected to the bidirectional threaded rod (14) through the threaded hole (10).

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