A multi-pin test fixture for transformer

Abstract

The utility model discloses a multi-pin test fixture for transformers, belonging to the technical field of transformer test application. A multi-pin test fixture for transformers includes a base, and also includes: a test bench detachably arranged on the base, wherein a plurality of partitions are fixedly arranged on the top of the test bench, and support tables are fixedly arranged on both sides of the test bench, and the support tables are provided with receiving grooves for supporting the pins of the network transformer; symmetrically arranged test boards are respectively slidably arranged on both sides of the test bench, and elastic pressure feet are fixedly arranged on the test boards, and the elastic pressure feet correspond to the receiving grooves; the utility model is provided with a support table fixedly arranged on the test bench, a receiving groove is opened on the support table, a test board is slidably arranged on the test bench, and an elastic pressure foot is fixedly arranged on the test board, and the receiving groove can support the pin from the bottom to prevent it from deformation or bending, and can also ensure that each elastic pressure foot is against the corresponding pin, thereby improving the test quality.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer test application, in particular to a multi-pin test fixture for a transformer. Background Art

[0002] Network transformers, also known as data pumps or network isolation transformers, are devices that are available on consumer-grade PCI network cards. Before a network transformer is put into use, its performance and some parameters need to be tested with a test fixture to ensure that it meets the requirements for use.

[0003] Since the network transformer itself has two rows of suspended pins, when the test fixture in the prior art is used, the test board on the test fixture is driven to approach the pins and abut against them from the front side. At this time, the pins are squeezed on one side and are prone to deformation or bending, affecting the quality of the network transformer. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that the pins of a network transformer are subjected to force on one side during testing and are easily deformed and bent, and proposes a multi-pin test fixture for a transformer.

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

[0006] A multi-pin test fixture for a transformer comprises a base, and also comprises: a test table detachably arranged on the base, wherein a plurality of groups of partitions are fixedly arranged on the top of the test table, support tables are fixedly arranged on both sides of the test table, and the support tables are provided with receiving grooves for supporting network transformer pins; symmetrically arranged test boards are respectively slidably arranged on both sides of the test table, and elastic pressure feet are fixedly arranged on the test boards, and the elastic pressure feet correspond to the receiving grooves.

[0007] In order to ensure reliable sliding of the test plate, preferably, fixed plates are fixedly provided at both ends of the test plate, and first guide grooves are opened at both ends of the test bench, and guide blocks are slidably provided in the first guide grooves, and one end of the guide block extending out of the first guide groove is fixedly connected to the fixed plate, and the first guide groove is inclined, and a driving part for driving the fixed plate to slide is provided on the base.

[0008] In order to facilitate the sliding of the test plate, the driving part further includes a cylinder fixedly arranged on the base, wherein a second guide groove is opened at one end of the test bench, a mounting seat is slidably arranged in the second guide groove, the fixed plate is rotatably connected to the mounting seat through a connecting plate, and a mounting block is fixedly arranged on the mounting seat, and the mounting block is fixedly connected to the output end of the cylinder.

[0009] In order to facilitate the connection of the connecting plate, further, adapter plates are fixedly arranged on both sides of the mounting seat, one end of the connecting plate is rotatably connected to the adapter plate, and the other end of the connecting plate is rotatably connected to the fixed plate.

[0010] Preferably, a mounting hole is provided on the top of the test bench, a sealing ring is provided in the mounting hole, and an exhaust hole connected to the mounting hole is provided on the test bench.

[0011] Preferably, a mounting groove is provided on the top of the base, the test bench is slidably disposed in the mounting groove, and the test bench is fixed in the mounting groove by bolts.

[0012] Compared with the prior art, the utility model provides a multi-pin test fixture for transformers, which has the following beneficial effects:

[0013] 1. The multi-pin test fixture for the transformer has a support table fixedly arranged on the test table, a receiving slot is provided on the support table, a test board is slidably arranged on the test table, and an elastic presser foot is fixedly arranged on the test board. On the one hand, the receiving slot can support the pin from the bottom to prevent it from deformation or bending. On the other hand, with the cooperation of the receiving slot, it can ensure that each elastic presser foot is against the corresponding pin, thereby improving the test quality;

[0014] 2. The multi-pin test fixture for the transformer has a first guide groove on the test bench, and the first guide groove is inclined. On the one hand, it can ensure the reliable sliding of the test board, and on the other hand, it can make the test board slide upward or downward at an angle, which is convenient for the installation of the network transformer and the elastic pressure foot presses down the pin, thereby improving the use effect.

[0015] The parts not involved in the device are the same as the prior art or can be implemented by using the prior art. The utility model has a support table fixedly arranged on the test table, a receiving groove is opened on the support table, a test board is slidably arranged on the test table, and an elastic pressure foot is fixedly arranged on the test board. The receiving groove can support the pin from the bottom to prevent it from deformation or bending, and can also ensure that each elastic pressure foot is against the corresponding pin, thereby improving the test quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a multi-pin test fixture test bench for transformers proposed in the utility model. Figure 1 ;

[0017] Figure 2 This is a schematic diagram of the structure of a multi-pin test fixture test bench for transformers proposed in the utility model. Figure 2 ;

[0018] Figure 3This is a structural schematic diagram of a multi-pin test fixture mounting base for a transformer proposed by the utility model;

[0019] Figure 4 The utility model is a structural schematic diagram of a multi-pin test fixture base for a transformer.

[0020] In the figure: 1. base; 2. test bench; 201. partition; 202. support table; 203. receiving groove; 204. first guide groove; 205. second guide groove; 3. test plate; 301. elastic pressure foot; 302. fixing plate; 303. guide block; 4. mounting seat; 401. adapter plate; 402. connecting plate; 403. mounting block; 5. sealing ring; 501. mounting hole; 502. exhaust hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0023] Example:

[0024] Reference Figure 1-Figure 4A multi-pin test fixture for transformers includes a base 1, and also includes: a test bench 2 is detachably provided on the base 1, and the test bench 2 can be fixed to the base 1 by a buckle. Here, we open a mounting groove on the top of the base 1, slide the test bench 2 in the mounting groove, and fix the test bench 2 in the mounting groove by bolts. The fixing effect is reliable, and the assembly and disassembly is relatively convenient, which is convenient for replacing different test benches 2 and improving the use effect. A plurality of groups of partitions 201 are fixedly provided on the top of the test bench 2. The partitions 201 are provided in two to ten groups, preferably six groups. A test slot is naturally formed between two adjacent groups of partitions 201. When in use, the network transformer is placed in the test slot, and the two ends of the network transformer are respectively against the two groups of partitions 201, which can ensure the reliable position of the network transformer and prevent it from moving during the test. In addition, five groups of network transformers can be tested at the same time, which improves the test efficiency. Support platforms 202 are fixedly arranged on both sides of the test bench 2, and a receiving groove 203 for supporting the pin of the network transformer is opened on the support platform 202. When the network transformer is installed in place, the pin of the network transformer is just located in the corresponding receiving groove 203, and the bottom of the pin is against the inner bottom of the receiving groove 203, so that the pin can be supported from the bottom of the pin to prevent it from deformation or bending, thereby improving the quality of the network transformer; symmetrically arranged test boards 3 are slidably arranged on both sides of the test bench 2, and elastic presser feet 301 are fixedly arranged on both groups of test boards 3, and the elastic presser feet 301 correspond to the receiving groove 203. Wires are fixedly arranged on the test boards 3, and the wires are electrically connected to the elastic presser feet 301. The other end of the wire is connected to the test equipment. The test equipment is the prior art. The elastic presser feet 301 are against the pins from above, which is convenient for testing. Moreover, the elastic presser feet 301 have a certain elasticity. On the one hand, it can avoid crushing the pins, and on the other hand, it can also ensure that each elastic presser foot 301 is against the corresponding pins, thereby improving the test quality.

[0025] When in use, a support table 202 is fixedly provided on the test table 2, a receiving groove 203 is provided on the support table 202, a test board 3 is slidably provided on the test table 2, and an elastic presser foot 301 is fixedly provided on the test board 3. On the one hand, the receiving groove 203 can support the pin from the bottom to prevent it from deformation or bending. On the other hand, with the cooperation of the receiving groove 203, it can be ensured that each elastic presser foot 301 is against the corresponding pin, thereby improving the test quality. By providing a first guide groove 204 on the test table 2, and the first guide groove 204 is inclined, on the one hand, it can be ensured that the test board 3 slides reliably, and on the other hand, the test board 3 can be made to slide upward or downward at an angle, which is convenient for the installation of the network transformer, and the elastic presser foot 301 presses down the pin, thereby improving the use effect.

[0026] Reference Figure 1-Figure 3, a fixing plate 302 is fixedly arranged at both ends of the test board 3, and a first guide groove 204 is opened at both ends of the test bench 2, and a guide block 303 is slidably arranged in the first guide groove 204, and the guide block 303 is T-shaped, which can improve the guiding effect, and the end of the guide block 303 extending out of the first guide groove 204 is fixedly connected to the fixing plate 302, and the first guide groove 204 is inclined. A driving part for driving the fixing plate 302 to slide is arranged on the base 1. When in use, the fixing plate 302 is driven by the driving part to slide along the first guide groove 204. When the fixing plate 302 and the test board 3 slide upward along the first guide groove 204, the test board 3 is in an unfolded state, that is, gradually away from the test bench 2, which is convenient for the installation of the network transformer. Conversely, when the test board 3 slides downward along the first guide groove 204, the elastic presser foot 301 can clamp the pin from above to ensure that the elastic presser foot 301 is reliably connected to the pin.

[0027] Reference Figure 1-Figure 4 The driving part can adopt a hydraulic cylinder or manually drive the fixed plate 302 to slide. Here, we design the driving part as follows: a cylinder is fixedly arranged on the base 1, wherein a second guide groove 205 is opened at one end of the test bench 2, and a mounting seat 4 is slidably arranged in the second guide groove 205, and the mounting seat 4 is also in a T-shaped structure, and the fixed plate 302 is rotatably connected to the mounting seat 4 through the connecting plate 402, and a mounting block 403 is fixedly arranged on the mounting seat 4, and the mounting block 403 is fixedly connected to the output end of the cylinder. Here, the mounting block 403 is preferably fixed to the output end of the cylinder by bolts, which is convenient for assembly and disassembly. When in use, the mounting seat 4 can be driven by the cylinder to slide up and down along the second guide groove 205. During the sliding process of the mounting seat 4, the fixed plate 302 can be driven to slide up and down along the first guide groove 204 through the connecting plate 402, so as to realize the expansion of the test board 3 and the clamping of the pins.

[0028] Reference Figure 3 , adapter plates 401 are fixedly provided on both sides of the mounting seat 4, one end of the connecting plate 402 is rotatably connected to the adapter plate 401, and the other end of the connecting plate 402 is rotatably connected to the fixed plate 302. When in use, by fixing the adapter plate 401 on the mounting seat 4, it is convenient to drive the fixed plate 302 to slide through the connecting plate 402, thereby improving the use effect.

[0029] Reference Figure 1-Figure 2A mounting hole 501 is provided on the top of the test bench 2, and mounting holes 501 are provided between two adjacent groups of partitions 201. A sealing ring 5 is provided in the mounting hole 501, and an exhaust hole 502 connected with the mounting hole 501 is provided on the test bench 2. When in use, by connecting one end of the vacuum pump with the exhaust hole 502, after the five network transformers are installed in place, the vacuum pump is started to extract gas through the exhaust hole 502, which can generate a certain negative pressure in the mounting hole 501, so that the bottoms of the five network transformers can be adsorbed on the test bench 2, reducing movement during testing and improving the test effect.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multi-pin test fixture for a transformer, comprising a base (1), characterized in that: Also includes: disassembling a test bench (2) arranged on the base (1), Wherein, a plurality of groups of partitions (201) are fixedly arranged on the top of the test bench (2), support platforms (202) are fixedly arranged on both sides of the test bench (2), and the support platforms (202) are provided with receiving grooves (203) for supporting the pins of the network transformer; The symmetrically arranged test plates (3) are respectively slidably arranged on both sides of the test table (2); an elastic pressure foot (301) is fixedly arranged on the test plate (3), and the elastic pressure foot (301) corresponds to the receiving groove (203).

2. A transformer multi-pin test fixture according to claim 1, characterized in that: Fixed plates (302) are fixedly arranged at both ends of the test plate (3), first guide grooves (204) are opened at both ends of the test table (2), guide blocks (303) are slidably arranged in the first guide grooves (204), one end of the guide block (303) extending out of the first guide groove (204) is fixedly connected to the fixed plate (302), and the first guide groove (204) is arranged in an inclined manner, and a driving part for driving the fixed plate (302) to slide is arranged on the base (1).

3. A transformer multi-pin test fixture according to claim 2, characterized in that: The driving part comprises a cylinder fixedly arranged on the base (1), A second guide groove (205) is provided at one end of the test bench (2), a mounting seat (4) is slidably arranged in the second guide groove (205), the fixing plate (302) is rotatably connected to the mounting seat (4) via a connecting plate (402), and a mounting block (403) is fixedly arranged on the mounting seat (4), and the mounting block (403) is fixedly connected to the output end of the cylinder.

4. The multi-pin test fixture for transformer according to claim 3, characterized in that: Adapter plates (401) are fixedly arranged on both sides of the mounting seat (4); one end of the connecting plate (402) is rotatably connected to the adapter plate (401); and the other end of the connecting plate (402) is rotatably connected to the fixed plate (302).

5. The multi-pin test fixture for transformer according to claim 1, characterized in that: The top of the test bench (2) is provided with a mounting hole (501), a sealing ring (5) is arranged in the mounting hole (501), and the test bench (2) is provided with an air extraction hole (502) which is in communication with the mounting hole (501).

6. The multi-pin test fixture for transformer according to claim 1, characterized in that: The top of the base (1) is provided with a mounting groove, the test bench (2) is slidably arranged in the mounting groove, and the test bench (2) is fixed in the mounting groove by bolts.

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