Performance testing device for switching power supply

Abstract

The invention discloses a switching power supply performance test device, which comprises a test board, an inner cavity is arranged in the test board, a driving device is fixedly arranged in the inner cavity, the upper end of the driving device penetrates through the inner cavity and extends to the upper end of the test board, and the driving device is located at the upper end of the test board and is connected with an adjustable test mechanism. An electric telescopic rod is fixedly installed at the upper end of the test table, the output end of the electric telescopic rod is close to the test mechanism, the output end of the electric telescopic rod is fixedly connected with a placement table, and the placement table is connected with an adjustable clamping mechanism. The invention solves the problems that the combination of the switching power supply and a connecting probe needs to be manually pushed to test each switching power supply, the connection probe is fixed and is difficult to adjust in height, and a base plate needs to be arranged below different switching power supplies to meet the combination of the probe and a switching power supply port; the input voltage, the output voltage and the current of the tested product cannot be visually displayed, and the test efficiency is low.

Description

Technical Field

[0002] The invention belongs to the technical field of switching power supplies, and in particular relates to a performance testing device for a switching power supply. Background Art

[0003] A switching power supply, also known as a switching power supply or a switching converter, is a high-frequency electric energy conversion device and a type of power supply. During the production and processing of switching power supplies, a metal probe is needed to test the switching power supply. The switching power supply is allowed to contact and connect with the metal device of the inspection device by its own weight to establish an electrical connection with the testing instrument for testing.

[0004] However, there are some problems with the prior art: when testing each switching power supply, it is laborious to manually push the switching power supply and the connecting probe together; the connecting probe is fixed and difficult to adjust in height; pads are required under different switching power supplies to meet the requirements of the probe and the switching power supply port; the input voltage, output voltage and current of the product under test cannot be displayed intuitively; the test efficiency is low; and high professional requirements are placed on the operator. Therefore, we propose a performance testing device for a switching power supply. Summary of the invention

[0005] In view of the problems existing in the above-mentioned technology, the present invention provides a performance testing device for a switching power supply, which solves the problem that testing each switching power supply requires manual pushing of the switching power supply and the connecting probe, which is quite laborious, the connecting probe is fixed and difficult to adjust in height, and a pad is required under different switching power supplies to meet the requirements of the probe and the switching power supply port. The input voltage, output voltage and current of the tested product cannot be displayed intuitively, and the testing efficiency is low.

[0006] The present invention is implemented as follows: a performance testing device for a switching power supply comprises a test bench, wherein an inner cavity is provided inside the test bench, a driving device is fixedly installed inside the inner cavity, an upper end of the driving device passes through the inner cavity and extends to the upper end of the test bench, the driving device is located at the upper end of the test bench and is connected to an adjustable testing mechanism, an electric telescopic rod is fixedly installed on the upper end of the test bench, an output end of the electric telescopic rod is close to the testing mechanism, the output end of the electric telescopic rod is fixedly connected to a placement table, and an adjustable clamping mechanism is connected to the placement table.

[0007] As a preferred embodiment of the present invention, the driving device includes a motor and a rotating shaft fixedly installed inside the inner cavity, the output end of the motor is fixedly connected with a driving tooth, the upper end of the rotating shaft is fixedly connected with a driven tooth that cooperates with the driving tooth, the upper end of the driven tooth is fixedly connected with a threaded shaft, and the threaded shaft passes through the inner wall of the inner cavity and extends to the upper end of the test bench.

[0008] As a preferred embodiment of the present invention, the testing mechanism includes a threaded barrel threadedly connected to a threaded shaft, and a mounting plate fixedly connected to an outer wall of the threaded barrel, the mounting plate being arranged in a rectangular shape, the four outer walls of the mounting plate being provided with inwardly recessed mounting grooves, a detachable mounting seat being connected to the inside of the mounting groove, a plurality of probes being connected to an outer wall on one side of the mounting seat, and each of the mounting seats being respectively connected to probes of different models.

[0009] As a preferred embodiment of the present invention, four groups of grooves are provided on the upper end surface of the installation plate, the grooves are interconnected with the installation slots, a clamping block is fixedly connected inside the groove, and a limiting hole is penetrated through the outer wall of the clamping block.

[0010] As a preferred embodiment of the present invention, one end of the mounting seat extending into the mounting groove is integrally formed with a group of protrusions that fit into the grooves, and the lower end surface of the protrusion is provided with an inwardly recessed groove, and the groove is used to connect the block.

[0011] As a preferred embodiment of the present invention, a step hole is provided on the inner wall of the card block, and the step holes are located on the front side of the card slot and are interconnected. A telescopic block is connected to the inside of the step hole, and one end of the telescopic block located inside the step hole is connected to a spring, and the other end of the spring is connected to the inner wall of the step hole, and the other end of the telescopic block extends into the inside of the card slot.

[0012] As a preferred embodiment of the present invention, the clamping mechanism includes a group of limit grooves arranged on the outer wall of the placing table, and a slide groove arranged on the inner wall of the placing table, the slide groove is located at the lower end of the limit groove and is interconnected, a bidirectional screw rod is movably connected inside the slide groove, and two slide seats are threadedly connected to the outer wall of the bidirectional screw rod, the upper end of the slide seat extends into the limit groove, one end of the slide seat located inside the limit groove is fixedly connected to a clamping plate, and one side of the bidirectional screw rod passes through the slide groove and extends to the outside of the placing table and is fixedly connected to a turning handle.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The present invention places the switching power supply on the placement table, adjusts the clamping mechanism, realizes fast fixing and positioning of the switching power supply, rotates the test mechanism, adjusts the position of the test mechanism, makes the side mechanism test end correspond to the part to be tested of the switching power supply, starts the electric telescopic rod, pushes the placement table, realizes the test mechanism to test the switching power supply, and improves the test efficiency;

[0015] 2. The present invention starts the motor, the motor drives the active gear to rotate, the active gear drives the driven gear to rotate, the driven gear drives the rotating shaft and the threaded shaft, and the threaded shaft drives the test mechanism to rotate, so that the test end on the test mechanism is easy to adjust, and the adjustment is performed according to the model of the end to be tested of the power switch, thereby improving the applicability of the device;

[0016] 3. The present invention connects the mounting seat to the inside of the mounting groove, the convex block extends into the inside of the groove, the clamping block connected to the inside of the groove extends into the clamping slot and contacts the telescopic block, and the telescopic block drives the spring to contract into the inside of the step hole under the influence of force. When the limiting hole set on the clamping block corresponds to the step hole, the telescopic block is not under the action of force, and the spring rebounds, driving the telescopic block to extend into the limiting hole, and the clamping block is limited and fixed, so that the mounting seat is fixedly installed on the mounting plate, which is convenient for the disassembly and installation of the mounting seat, and by rotating the threaded cylinder, it is convenient to drive the mounting plate to move on the threaded shaft, so as to facilitate the adjustment of the position of the test mechanism and the adjustment according to the height of the switching power supply;

[0017] 4. The present invention places the switching power supply on the upper end of the placement table, drives the bidirectional screw rod to rotate through the turning handle, and the slide seat moves on the bidirectional screw rod under the action of the slide slot limit, clamps and fixes the power switch, and is convenient for testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure provided by an embodiment of the present invention;

[0019] Figure 2 is a front view schematic diagram of a driving device provided by an embodiment of the present invention;

[0020] Figure 3 is a three-dimensional schematic diagram of a testing mechanism provided by an embodiment of the present invention;

[0021] Figure 4 is a three-dimensional schematic diagram of a mounting base provided by an embodiment of the present invention;

[0022] Figure 5 is a schematic cross-sectional view of a bump provided by an embodiment of the present invention;

[0023] Figure 6 It is a cross-sectional schematic diagram of a placement table provided in an embodiment of the present invention.

[0024] In the figure: 1. test bench; 11. inner cavity; 12. electric telescopic rod; 13. placement table; 131. limit groove; 132. slide groove; 2. driving device; 21. motor; 22. driving gear; 23. rotating shaft; 24. driven gear; 25. threaded shaft; 3. testing mechanism; 31. mounting plate; 32. threaded cylinder; 311. mounting groove; 312. groove; 313. block; 3131. limit hole; 4. mounting seat; 41. bump; 42. probe; 411. slot; 412. telescopic block; 413. step hole; 414. spring; 6. clamping mechanism; 61. slide seat; 62. clamping plate; 63. bidirectional screw rod; 64. handle. DETAILED DESCRIPTION

[0025] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0026] The structure of the present invention is described in detail below in conjunction with the accompanying drawings.

[0027] Embodiment 1:

[0028] like Figure 1 As shown, a performance test device for a switching power supply provided by an embodiment of the present invention comprises a test bench 1, wherein an inner cavity 11 is provided inside the test bench 1, a driving device 2 is fixedly installed inside the inner cavity 11, an upper end of the driving device 2 passes through the inner cavity 11 and extends to the upper end of the test bench 1, the driving device 2 is located at the upper end of the test bench 1 and is connected with an adjustable testing mechanism 3, an electric telescopic rod 12 is fixedly installed on the upper end of the test bench 1, an output end of the electric telescopic rod 12 is close to the testing mechanism 3, a placement table 13 is fixedly connected to the output end of the electric telescopic rod 12, and an adjustable clamping mechanism 6 is connected to the placement table 13; by placing the switching power supply on the placement table 13 and adjusting the clamping mechanism 6, the switching power supply can be quickly fixed and positioned; by rotating the testing mechanism 3 and adjusting the position of the testing mechanism 3, the side mechanism test end corresponds to the part to be tested of the switching power supply, the electric telescopic rod 12 is started, and the placement table 13 is pushed, so that the testing mechanism 3 tests the switching power supply.

[0029] like Figure 2 As shown, the driving device 2 includes a motor 21 and a rotating shaft 23 fixedly installed inside the inner cavity 11, the output end of the motor 21 is fixedly connected with a driving tooth 22, the upper end of the rotating shaft 23 is fixedly connected with a driven tooth 24 that cooperates with the driving tooth 22, and the upper end of the driven tooth 24 is fixedly connected with a threaded shaft 25, and the threaded shaft 25 passes through the inner wall of the inner cavity 11 and extends to the upper end of the test bench 1; by starting the motor 21, the motor 21 drives the driving tooth 22 to rotate, the driving tooth 22 drives the driven tooth 24 to rotate, and the driven tooth 24 drives the rotating shaft 23 and the threaded shaft 25, so that the test mechanism 3 is driven to rotate through the threaded shaft 25, which is convenient for adjusting the test end on the test mechanism 3, and adjusting according to the model of the end to be tested of the power switch, thereby improving the applicability of the device.

[0030] like Figures 3 to 5As shown, the testing mechanism 3 includes a threaded barrel 32 threadedly connected to the threaded shaft 25, and a mounting plate 31 fixedly connected to the outer wall of the threaded barrel 32. The mounting plate 31 is arranged in a rectangular shape. The four outer walls of the mounting plate 31 are provided with inwardly recessed mounting grooves 311. A detachable mounting seat 4 is connected inside the mounting groove 311. A plurality of probes 42 are connected to the outer wall of one side of the mounting seat 4. Each of the mounting seats 4 is respectively connected to a probe 42 of a different model. The upper end surface of the mounting plate 31 is provided with four groups of grooves 312. The groove 312 is interconnected with the mounting groove 311, and a block 313 is fixedly connected inside the groove 312, and a limiting hole 3131 is penetrated through the outer wall of the block 313; the end of the mounting seat 4 extending into the mounting groove 311 is integrally formed with a group of protrusions 41 that fit with the groove 312, and the lower end surface of the protrusion 41 is provided with an inwardly recessed groove 411, and the groove 411 is used to connect the block 313; the inner wall of the block 313 is provided with a step hole 413, and the step hole 413 is located at the front side of the groove 411 and is interconnected, and the step hole The inside of 413 is connected with a telescopic block 412, one end of the telescopic block 412 located inside the step hole 413 is connected with a spring 414, the other end of the spring 414 is connected to the inner wall of the step hole 413, and the other end of the telescopic block 412 extends into the inside of the card slot 411; by connecting the mounting seat 4 to the inside of the mounting slot 311, the protrusion 41 extends into the inside of the groove 312, and the card block 313 connected to the inside of the groove 312 extends into the inside of the card slot 411 and contacts the telescopic block 412, and the telescopic block 412 drives the spring 414 to the step hole 413 under the influence of the force. The inside of the hole 413 contracts. When the limiting hole 3131 provided on the clamping block 313 corresponds to the step hole 413, the telescopic block 412 is not subjected to force, and the spring 414 rebounds, driving the telescopic block 412 to extend into the limiting hole 3131, limiting and fixing the clamping block 313, thereby achieving fixed installation of the mounting seat 4 on the mounting disk 31, facilitating the disassembly and installation of the mounting seat 4, and by rotating the threaded cylinder 32, it is convenient to drive the mounting disk 31 to move on the threaded shaft 25, so as to facilitate adjustment of the position of the test mechanism 3, and to facilitate adjustment according to the height of the switching power supply.

[0031] like Figure 6As shown, the clamping mechanism 6 includes a group of limiting grooves 131 arranged on the outer wall of the placement platform 13, and a slide groove 132 arranged on the inner wall of the placement platform 13, the slide groove 132 is located at the lower end of the limiting groove 131 and is interconnected, a bidirectional screw rod 63 is movably connected inside the slide groove 132, and two slide seats 61 are threadedly connected to the outer wall of the bidirectional screw rod 63, the upper end of the slide seat 61 extends into the limiting groove 131, and one end of the slide seat 61 located in the limiting groove 131 is fixedly connected with a clamping plate 62, and one side of the bidirectional screw rod 63 passes through the slide groove 132 and extends to the outside of the placement platform 13 and is fixedly connected with a turning handle 64; by placing the switching power supply on the upper end of the placement platform 13, the bidirectional screw rod 63 is driven to rotate by the turning handle 64, and the slide seat 61 moves on the bidirectional screw rod 63 under the action of the limiting groove 132, so that the power switch is clamped and fixed, which is convenient for testing.

[0032] Working principle of embodiment 1:

[0033] When in use, first place the power switch on the placement table 13, and drive the bidirectional screw rod 63 to rotate through the turning handle 64. Under the action of the limit of the slide groove 132, the slide seat 61 moves on the bidirectional screw rod 63 to clamp the power switch and fix it, driving the motor 21. The motor 21 drives the active gear 22 to rotate, and the active gear 22 drives the driven gear 24 to rotate. The driven gear 24 drives the rotating shaft 23 and the threaded shaft 25, thereby driving the test mechanism 3 to rotate through the threaded shaft 25, so as to facilitate the adjustment of the test end on the test mechanism 3, and adjust it according to the model of the power switch end to be tested, and then start the electric telescopic rod 12 to push the placement table 13 towards the test mechanism 3, so as to facilitate the probe 42 to test the power switch.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A performance test device for a switching power supply, comprising a test bench (1), characterized in that: The test bench (1) is provided with an inner cavity (11), a driving device (2) is fixedly installed in the inner cavity (11), the upper end of the driving device (2) passes through the inner cavity (11) and extends to the upper end of the test bench (1), the driving device (2) is located at the upper end of the test bench (1) and is connected to an adjustable testing mechanism (3), an electric telescopic rod (12) is fixedly installed at the upper end of the test bench (1), the output end of the electric telescopic rod (12) is close to the testing mechanism (3), the output end of the electric telescopic rod (12) is fixedly connected to a placement table (13), and the placement table (13) is connected to an adjustable clamping mechanism (6).

2. A performance testing device for a switching power supply as claimed in claim 1, characterized in that: The driving device (2) comprises a motor (21) and a rotating shaft (23) fixedly mounted inside the inner cavity (11); a driving tooth (22) is fixedly connected to the output end of the motor (21); a driven tooth (24) which cooperates with the driving tooth (22) is fixedly connected to the upper end of the rotating shaft (23); a threaded shaft (25) is fixedly connected to the upper end of the driven tooth (24); and the threaded shaft (25) passes through the inner wall of the inner cavity (11) and extends to the upper end of the test bench (1).

3. A performance testing device for a switching power supply as claimed in claim 1, characterized in that: The testing mechanism (3) comprises a threaded barrel (32) threadedly connected to a threaded shaft (25), and a mounting plate (31) fixedly connected to the outer wall of the threaded barrel (32); the mounting plate (31) is arranged in a rectangular shape; four outer walls of the mounting plate (31) are provided with inwardly recessed mounting grooves (311); a detachable mounting seat (4) is connected inside the mounting groove (311); a plurality of probes (42) are connected to the outer wall of one side of the mounting seat (4); and each mounting seat (4) is respectively connected to a probe (42) of a different model.

4. A performance testing device for a switching power supply as claimed in claim 3, characterized in that: The upper end surface of the mounting plate (31) is provided with four groups of grooves (312), the grooves (312) are interconnected with the mounting grooves (311), a clamping block (313) is fixedly connected inside the grooves (312), and a limiting hole (3131) is penetrated through the outer wall of the clamping block (313).

5. A performance testing device for a switching power supply as claimed in claim 4, characterized in that: One end of the mounting seat (4) extending into the mounting groove (311) is integrally formed with a group of protrusions (41) that fit into the groove (312); the lower end surface of the protrusion (41) is provided with an inwardly recessed card slot (411); the card slot (411) is used to connect the card block (313).

6. A performance testing device for a switching power supply as claimed in claim 5, characterized in that: The inner wall of the clamping block (313) is provided with a step hole (413), the step hole (413) is located at the front side of the clamping slot (411) and is interconnected, the inside of the step hole (413) is connected with a telescopic block (412), one end of the telescopic block (412) located inside the step hole (413) is connected with a spring (414), the other end of the spring (414) is connected to the inner wall of the step hole (413), and the other end of the telescopic block (412) extends to the inside of the clamping slot (411).

7. A performance testing device for a switching power supply as claimed in claim 1, characterized in that: The clamping mechanism (6) comprises a group of limiting grooves (131) arranged on the outer wall of the placing platform (13), and a slide groove (132) arranged on the inner wall of the placing platform (13); the slide groove (132) is located at the lower end of the limiting groove (131) and is interconnected; a bidirectional screw rod (63) is movably connected inside the slide groove (132); two slide seats (61) are threadedly connected to the outer wall of the bidirectional screw rod (63); the upper end of the slide seat (61) extends into the limiting groove (131); one end of the slide seat (61) located inside the limiting groove (131) is fixedly connected to a clamping plate (62); one side of the bidirectional screw rod (63) passes through the slide groove (132) and extends to the outside of the placing platform (13) and is fixedly connected to a rotating handle (64).

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