Switching power supply test tool

Abstract

The utility model belongs to the field of testing, particularly relates to a switching power supply testing tool, and aims to solve the problems that the height of a conventional switching power supply is fixed, the conventional switching power supply is easy to rigidly contact with a probe in the testing process, and the probe or the switching power supply is easy to damage. Two guide rails are fixedly connected to the inner walls of the two sides of the box body, a placement plate is connected between the guide rails in a sliding mode, and a plurality of springs used for supporting the placement plate are fixedly connected between the bottom of the placement plate and the inner wall of the bottom of the box body. According to the probe testing device, the use safety of the probe is improved, the service life of the probe is prolonged, a switching power supply or the probe is prevented from being damaged, meanwhile, after the testing process is finished, the sliding plate resets, the protection frame resets under the self-weight effect, then the probe can be shielded, workers are prevented from touching the probe, and the use safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to switch power supply test technical field especially relates to a switch power supply test frock. BACKGROUND

[0002] Switching power supply is a kind of through high-frequency switching technology the AC or DC input conversion required stable DC output power supply equipment.Switching power supply utilizes modern power electronics technology, through the time ratio of control switch tube opening and shutting to maintain stable output voltage. Its core components include input filter circuit, rectifier circuit, high-frequency switching circuit, high-frequency transformer and output rectifier filter circuit etc., and it needs to be tested before switching power supply is shipped.

[0003] Through the retrieval, the switch power supply test frock of the announcement number CN219392121U is disclosed, including base, the device when using, although the clamping work of switch power supply is facilitated, but the height of switch power supply is fixed in use, and hard contact with probe is likely to occur in the process of testing, and then probe or switch power supply is likely to be damaged, for this, a kind of switch power supply test frock is presented. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the defect that the height of switch power supply is fixed in prior art, hard contact with probe is likely to occur in the process of testing, and then probe or switch power supply is likely to be damaged, and a kind of switch power supply test frock is presented.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of switch power supply test frock, including box, the two side inner walls of the box are all fixedly connected with two guide rails, multiple guide rails are slidably connected with placing plate, the bottom of placing plate and the bottom inner wall of the box are fixedly connected with multiple springs for supporting placing plate, the top of the box is fixedly connected with connecting plate, the top of connecting plate is fixedly connected with air cylinder, the one end of air cylinder piston rod passes through connecting plate and is fixedly connected with slide plate, the bottom of slide plate is fixedly connected with guide block, the bottom and one side of guide block are all provided with slide, two slides are communicated, the slide is slidably connected with two horizontally arranged sliding blocks, the bottom of sliding block is all fixedly connected with probe.

[0007] As a further scheme of the utility model, the side of the sliding block is all provided with wire hole.

[0008] As a further scheme of the utility model, the side of the sliding block is all screw-connected with the top pin of penetration, and the top pin is all in contact with guide block.

[0009] As a further scheme of the utility model, the bottom of the sliding plate is slidably connected with a penetrating protective frame, and the probe is located at one side of the protective frame.

[0010] As a further scheme of the utility model, one side of the guide block is provided with a set of scale lines.

[0011] As a further scheme of the utility model, the surface of the placing plate is fixedly connected with an L-shaped positioning frame through bolts.

[0012] As a further scheme of the utility model, the bottom of the connecting plate is fixedly connected with two guide rods, and both of the guide rods are slidably penetrated through the sliding plate.

[0013] As a further scheme of the utility model, both sides of the placing plate are fixedly connected with baffle plates, and the bottom of the box body is fixedly connected with multiple supporting legs.

[0014] In the application, when in use, the switch power supply to be tested is placed on the surface of the placing plate, and then is contacted with the positioning frame, the cylinder is started, the sliding plate is driven by the cylinder to move downward, when the protective frame on the sliding plate is contacted with the switch power supply, the sliding plate is moved upward, then the probe is contacted with the switch power supply, and then the test is carried out, when the probe is contacted with the switch power supply, the switch power supply and the placing plate are simultaneously lowered under the abutting action of the probe, so as to prevent the probe from being contacted with the switch power supply in a hard way, improve the safety and service life of the probe, prevent the switch power supply or the probe from being damaged, after use, the sliding plate is reset, the protective frame is reset under the action of the weight, and then the probe can be shielded, the staff is prevented from touching the probe, and the safety in use is improved.

[0015] Advantageous effects: in the utility model, the switch power supply test tool, through the setting of the placing plate capable of moving up and down for placing the switch power supply, when the switch power supply is tested, the probe can be prevented from being contacted with the switch power supply in a hard way, the safety and service life of the probe are improved, and the switch power supply or the probe is prevented from being damaged;

[0016] In the utility model, the switch power supply test tool, through the setting of the protective frame capable of sliding and installed at the bottom of the sliding plate, after the test process is ended, the sliding plate is reset, the protective frame is reset under the action of the weight, and then the probe can be shielded, the staff is prevented from touching the probe, and the safety in use is improved;

[0017] In the utility model, when the switch power supply is tested, the probe can be prevented from being contacted with the switch power supply in a hard way, the safety and service life of the probe are improved, and the switch power supply or the probe is prevented from being damaged, after the test process is ended, the sliding plate is reset, the protective frame is reset under the action of the weight, and then the probe can be shielded, the staff is prevented from touching the probe, and the safety in use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 A three-dimensional structure schematic view of a switching power supply test tool is proposed in the utility model;

[0019] Fig. 2 A sectional structure schematic view of a switching power supply test tool is proposed in the utility model;

[0020] Fig. 3 A partial sectional structure schematic view of a switching power supply test tool is proposed in the utility model.

[0021] In the drawing: 1, box; 2, connecting plate; 3, air cylinder; 4, guide rail; 5, placing plate; 6, baffle; 7, sliding plate; 8, protection frame; 9, positioning frame; 10, spring; 11, supporting leg; 12, guide block; 13, slide; 14, sliding block; 15, probe; 16, wire hole; 17, scale; 18, jackscrew; 19, guide rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Embodiment 1, refer to Figs. 1-3 A tool, comprising: a box 1, both sides of the box 1 are fixedly connected with two guide rails 4, a plurality of guide rails 4 are slidably connected with a placing plate 5, a plurality of springs 10 for supporting the placing plate 5 are fixedly connected between the bottom of the placing plate 5 and the bottom inner wall of the box 1, the placing plate 5 can move up and down, the top of the box 1 is fixedly connected with a connecting plate 2, the top of the connecting plate 2 is fixedly connected with an air cylinder 3, one end of the piston rod of the air cylinder 3 penetrates through the connecting plate 2 and is fixedly connected with a sliding plate 7, the bottom of the sliding plate 7 is fixedly connected with a guide block 12, the bottom and one side of the guide block 12 are provided with a slide 13, the two slides 13 are communicated, two horizontally arranged sliding blocks 14 are slidably connected in the slide 13, the bottom of the sliding block 14 is fixedly connected with a probe 15, the air cylinder 3 drives the sliding plate 7 to move downwards, when the protection frame 8 on the sliding plate 7 contacts with the switching power supply, the sliding plate 7 moves upwards, then the probe 15 contacts with the switching power supply, and then the test is carried out, when the probe 15 contacts with the switching power supply, the switching power supply and the placing plate 5 descend at the same time under the abutting action of the probe 15, so that the probe 15 and the switching power supply do not contact hard.

[0024] The application can be used in the field of switching power supply test, and can also be used in other fields applicable to the application.

[0025] Embodiment 2, refer to Figs. 1-3On the basis of embodiment 1, a switching power supply test tool is improved, which is applied to the switching power supply test field:

[0026] In the utility model, the one side of sliding block 14 all is provided with wire hole 16, wire hole 16 is used for wire to pass through.

[0027] Especially, the one side of sliding block 14 is all screw thread connection has the top silk 18 that penetrates, and the top silk 18 all is with the contact of guide block 12, and loosening top silk 18 can adjust the position of sliding block 14, and it is convenient to use.

[0028] Need to explain, the bottom sliding connection of sliding plate 7 has the protective frame 8 that penetrates, and probe 15 is located at the one side of protective frame 8, after testing, sliding plate 7 can reset, and protective frame 8 resets under the action of self-weight, and then can shield probe 15, avoid staff to touch probe 15, improve the security of use.

[0029] In the utility model, the one side of guide block 12 is provided with a group of scale lines 17, and the position of sliding plate 7 can be conveniently observed by scale line 17.

[0030] Especially, the surface of placing plate 5 is fixedly connected with L-shaped positioning frame 9 through bolt, positioning frame 9 is fixed through bolt, and the position can be adjusted, which is used for limiting the switching power supply and facilitating testing.

[0031] Need to explain, the bottom of connecting plate 2 is fixedly connected with two guide rods 19, and the two guide rods 19 all slidingly penetrate sliding plate 7, and guide rod 19 plays the role of limiting sliding plate 7, and the stability of sliding plate 7 is improved.

[0032] In the utility model, the both sides of placing plate 5 are fixedly connected with baffle 6, and baffle 6 increases the aesthetic property of tool use, and the bottom of box 1 is fixedly connected with multiple supporting legs 11, and supporting leg 11 is used for supporting tool.

[0033] However, as known to those skilled in the art, the working principle and wiring method of cylinder 3 and probe 15 are common, which belong to conventional means or common knowledge, and will not be repeated here, and those skilled in the art can select and match according to the needs or convenience.

[0034] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, and any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A switching power supply testing fixture, comprising a housing (1), characterized in that, The inner walls of both sides of the box (1) are fixedly connected to two guide rails (4), and a placement plate (5) is slidably connected between the multiple guide rails (4). The bottom of the placement plate (5) is fixedly connected to the bottom inner wall of the box (1) with multiple springs (10) for supporting the placement plate (5). The top of the box (1) is fixedly connected to a connecting plate (2), and a cylinder (3) is fixedly connected to the top of the connecting plate (2). One end of the piston rod of the cylinder (3) passes through the connecting plate (2) and is fixedly connected to a sliding plate (7). The bottom of the sliding plate (7) is fixedly connected to a guide block (12). The bottom and one side of the guide block (12) are provided with slides (13). The two slides (13) are connected. Two horizontally arranged sliders (14) are slidably connected in the slides (13). The bottom of each slider (14) is fixedly connected to a probe (15).

2. The switching power supply testing fixture according to claim 1, characterized in that, Each of the sliders (14) has a wire hole (16) on one side.

3. The switching power supply testing fixture according to claim 2, characterized in that, One side of each slider (14) is threaded with a through set screw (18), and each set screw (18) abuts against the guide block (12).

4. The switching power supply testing fixture according to claim 1, characterized in that, The bottom of the slide plate (7) is slidably connected to a through protective frame (8), and the probe (15) is located on one side of the protective frame (8).

5. The switching power supply testing fixture according to claim 1, characterized in that, A set of scale lines (17) is provided on one side of the guide block (12).

6. The switching power supply testing fixture according to claim 1, characterized in that, The surface of the placement plate (5) is fixedly connected to an L-shaped positioning frame (9) by bolts.

7. The switching power supply testing fixture according to claim 1, characterized in that, The bottom of the connecting plate (2) is fixedly connected to two guide rods (19), both of which slide through the slide plate (7).

8. The switching power supply testing fixture according to claim 1, characterized in that, Both sides of the placement plate (5) are fixedly connected to baffles (6), and the bottom of the box (1) is fixedly connected to multiple support feet (11).

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