An isolated dc-dc converter test fixture

Abstract

The utility model relates to the technical field of isolation type DC-DC converter, specifically is a kind of isolation type DC-DC converter test fixture, including platform, docking positioning frame and push clamp frame, the docking positioning frame and push clamp frame are respectively fixedly connected in the top both ends of platform, the heat dissipation mesh is installed in the middle part of platform and is penetrated, the docking positioning frame is provided with X-axis movement cover and the Y-axis moving block for installing detection probe, the push clamp frame is provided with X-axis moving block, push plate and L type limit plate. Through the assembly of platform, docking positioning frame and push clamp frame, a set of convenient and fast clamping positioning test fixture is provided for isolation type DC-DC conversion, so that the detection probe of isolation type DC-DC converter can be quickly docked with test instrument, greatly increase the efficiency of test, meanwhile, the mechanism that can help the bottom of isolation type DC-DC converter to radiate heat outward is arranged, so that the stability during isolation type DC-DC converter test is better.

Description

Technical Field

[0001] This utility model relates to the field of isolated DC-DC converter technology, and specifically to an isolated DC-DC converter test fixture. Background Technology

[0002] Isolated DC-DC converters are widely used in applications requiring electrical isolation, such as industrial control, medical equipment, and electric vehicles, to ensure the safety and stability of the power system while achieving efficient DC voltage conversion.

[0003] In existing tests on multiple isolated DC-DC converters, each time the previous isolated DC-DC converter is removed and replaced, the interface of the isolated DC-DC converter needs to be reconnected to the test probe of the test instrument one by one, resulting in low testing efficiency. In addition, the bottom of the isolated DC-DC converter cannot dissipate heat well from the outside during the test, resulting in poor test stability. Therefore, an isolated DC-DC converter test fixture is proposed. Utility Model Content

[0004] To address the problems in the existing technology, this utility model provides a test fixture for isolated DC-DC converters, offering a convenient and quick clamping and positioning test fixture for isolated DC-DC converters. This allows the isolated DC-DC converters to quickly connect with the test probes of the testing instruments, greatly increasing testing efficiency. Additionally, a mechanism is included to facilitate heat dissipation from the bottom of the isolated DC-DC converter, improving its stability during testing.

[0005] The technical solution adopted by this utility model to solve its technical problem is an isolated DC-DC converter test fixture, including a platform, a docking positioning frame and a push clamp frame. The docking positioning frame and the push clamp frame are respectively fixedly connected to the top two ends of the platform, and a heat dissipation mesh is installed through the middle of the platform.

[0006] The docking positioning frame is equipped with an X-axis moving sleeve and a Y-axis moving block for mounting a detection probe, and the push clamp frame is equipped with an X-axis moving block, a push plate and an L-shaped limiting plate.

[0007] By adopting the above technical solution, a fixture consisting of a platform, a docking positioning frame, and a push clamp is provided for the isolated DC-DC converter, enabling it to quickly dock with the test probe of the test instrument, greatly increasing the testing efficiency. At the same time, a mechanism is set up to help the bottom of the isolated DC-DC converter dissipate heat, making the isolated DC-DC converter more stable during testing.

[0008] Specifically, the platform has a first T-shaped slide groove and a second T-shaped slide groove at both ends and at the bottom of the docking positioning frame and the push clamp frame. The X-axis moving sleeve is located on the first T-shaped slide groove, and the bottom of the X-axis moving sleeve is slidably connected to the first T-shaped slide groove through the first T-shaped slider. The X-axis moving block is located on the second T-shaped slide groove, and the bottom of the X-axis moving block is slidably connected to the second T-shaped slide groove through the second T-shaped slider.

[0009] Specifically, the Y-axis moving block is located inside the X-axis moving sleeve, and a third T-shaped groove is provided on one side of the X-axis moving sleeve. One side of the Y-axis moving block is slidably connected to the third T-shaped groove through a third T-shaped slider.

[0010] The top of the docking positioning frame is provided with a first upper sliding groove, and the top of the first upper sliding groove is provided with a first threaded tightening knob. The threaded end of the first threaded tightening knob passes through the first upper sliding groove and is threadedly connected to the top of the Y-axis moving block.

[0011] A side slide groove is provided on one side of the Y-axis moving block, and a third threaded tightening knob is provided on one side of the side slide groove. The threaded end of the third threaded tightening knob passes through the side slide groove and is threadedly connected to the Y-axis moving block.

[0012] The Y-axis moving block has a through hole for mounting the detection probe of the testing instrument.

[0013] By adopting the above technical solution and setting the Y-axis moving block, the height of the test probe of the test instrument can be adjusted on the X-axis moving sleeve to better match the interface height position of the isolated DC-DC converter to be tested in this batch.

[0014] By setting the first T-shaped slide, the lateral position of the X-axis moving sleeve is adjusted, so that the spacing between the detection probes installed on the Y-axis moving block can be adapted to the interface spacing of the isolated DC-DC converter.

[0015] Specifically, a screw rod is threaded through the middle of the X-axis moving block, the push plate is rotatably connected to one end of the screw rod through a bearing, a knob is provided at the end of the screw rod away from the push plate, the L-shaped limiting plate is located on the side of the push plate away from the screw rod, and a spring is provided between the L-shaped limiting plate and the push plate.

[0016] By adopting the above technical solution, the redundant amount of pushing and moving between the L-shaped limiting plate and the push plate can be increased through the setting of the spring. When assembling the isolated DC-DC converter onto the detection probe of the test instrument, the isolated DC-DC converter is first placed between the two sets of adjusted L-shaped limiting plates and pushed against the push plate. Based on the spring, the L-shaped limiting plates are compressed. After the isolated DC-DC converter is completely placed between the L-shaped limiting plates, the operator releases the isolated DC-DC converter. Based on the spring's rebound force, the L-shaped limiting plate pushes the isolated DC-DC converter towards the Y-axis moving block, allowing the interface of the isolated DC-DC converter to be plugged into the detection probe of the test instrument.

[0017] Specifically, the push plate is connected to guide rods at the top and bottom of the screw, and the end of the guide rod away from the push plate passes through the X-axis moving block;

[0018] The top of the push clamp is provided with a second upper sliding groove, and a second threaded tightening knob is provided on the second upper sliding groove. The threaded end of the second threaded tightening knob is threadedly connected to the top of the X-axis moving block.

[0019] By adopting the above technical solution, and through the setting of the screw and guide rod, after the operator rotates the screw, the screw can push the push plate, thereby adjusting the distance between the L-shaped limit plate and the Y-axis moving block, so as to better meet the insertion requirements of the isolated DC-DC converter for the test instrument.

[0020] The beneficial effects of this utility model are as follows: The assembly consisting of a platform, a docking positioning frame, and a push clamp provides a convenient and rapid clamping and positioning test fixture for isolated DC-DC converters. This allows the isolated DC-DC converter to quickly dock with the test instrument's probe, greatly increasing testing efficiency. Simultaneously, a mechanism is included to facilitate heat dissipation from the bottom of the isolated DC-DC converter, improving its stability during testing. This solves the problems of low efficiency caused by the need to reconnect each isolated DC-DC converter's interface to the test instrument's probe every time it is replaced during continuous testing of multiple isolated DC-DC converters, and the poor test stability due to inadequate heat dissipation from the bottom of the isolated DC-DC converter during testing. Attached Figure Description

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Figure 1 This is a schematic diagram of the clamping of the isolated DC-DC converter according to the present invention;

[0023] Figure 2 This is a schematic diagram of the platform of this utility model;

[0024] Figure 3 For the present utility model Figure 2 Enlarged view of point A in the middle;

[0025] Figure 4 For the present utility model Figure 2 Enlarged view of point B in the middle;

[0026] In the diagram: Platform 1, docking positioning frame 2, first T-shaped slide 21, X-axis moving sleeve 22, first T-shaped slider 23, Y-axis moving block 24, third T-shaped slide 25, third T-shaped slider 26, first upper slide 27, first threaded tightening knob 28, side slide 29, third threaded tightening knob 210, push clamp 3, second T-shaped slide 31, second T-shaped slider 32, X-axis moving block 33, screw 34, push plate 35, L-shaped limiting plate 36, spring 37, guide rod 38, second upper slide 39, second threaded tightening knob 310, knob 311. Detailed Implementation

[0027] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0028] like Figure 1-4 As shown, the isolated DC-DC converter test fixture of this utility model includes a platform 1, a docking positioning frame 2 and a push clamp frame 3. The docking positioning frame 2 and the push clamp frame 3 are respectively fixedly connected to the top two ends of the platform 1. A heat dissipation mesh 11 is installed through the middle of the platform 1.

[0029] The docking positioning frame 2 is provided with an X-axis moving sleeve 22 and a Y-axis moving block 24 for mounting a detection probe, and the push clamp frame 3 is provided with an X-axis moving block 33, a push plate 35 and an L-shaped limiting plate 36.

[0030] This utility model also includes a first T-shaped slide groove 21 and a second T-shaped slide groove 31 at both ends of the platform 1 and at the bottom of the docking positioning frame 2 and the push clamp frame 3. The X-axis moving sleeve 22 is located on the first T-shaped slide groove 21, and the bottom of the X-axis moving sleeve 22 is slidably connected to the first T-shaped slide groove 21 through the first T-shaped slider 23. The X-axis moving block 33 is located on the second T-shaped slide groove 31, and the bottom of the X-axis moving block 33 is slidably connected to the second T-shaped slide groove 31 through the second T-shaped slider 32.

[0031] The Y-axis moving block 24 is located inside the X-axis moving sleeve 22. A third T-shaped groove 25 is provided on one side of the X-axis moving sleeve 22. One side of the Y-axis moving block 24 is slidably connected to the third T-shaped groove 25 through a third T-shaped slider 26.

[0032] The docking positioning frame 2 has a first upper sliding groove 27 on its top, and a first threaded tightening knob 28 is provided on the top of the first upper sliding groove 27. The threaded end of the first threaded tightening knob 28 passes through the first upper sliding groove 27 and is threadedly connected to the top of the Y-axis moving block 24.

[0033] A side slide groove 29 is provided on one side of the Y-axis moving block 24, and a third threaded tightening knob 210 is provided on one side of the side slide groove 29. The threaded end of the third threaded tightening knob 210 passes through the side slide groove 29 and is threadedly connected to the Y-axis moving block 24.

[0034] The Y-axis moving block 24 has a through hole for mounting the detection probe of the testing instrument.

[0035] In use, based on the setting of the Y-axis moving block 24, the height of the test probe of the test instrument can be adjusted on the X-axis moving sleeve 22 to better adapt to the interface height position of the isolated DC-DC converter to be tested in this batch.

[0036] By setting the first T-shaped slide 21, the lateral position of the X-axis moving sleeve 22 is adjusted, so that the spacing between the detection probes installed on the Y-axis moving block 24 can be adapted to the interface spacing of the isolated DC-DC converter.

[0037] The present invention also includes a screw 34 threaded through the middle of the X-axis moving block 33, a push plate 35 rotatably connected to one end of the screw 34 via a bearing, a knob 311 provided at the end of the screw 34 away from the push plate 35, an L-shaped limiting plate 36 located on the side of the push plate 35 away from the screw 34, and a spring 37 provided between the L-shaped limiting plate 36 and the push plate 35.

[0038] In use, the spring 37 increases the amount of pushing movement between the L-shaped limiting plate 36 and the push plate 35. When assembling the isolated DC-DC converter onto the test probe of the testing instrument, the isolated DC-DC converter is first placed between the two adjusted L-shaped limiting plates 36 and pushed against the push plate 35. Based on the spring 37, the L-shaped limiting plates 36 are compressed. After the isolated DC-DC converter is fully placed between the L-shaped limiting plates 36, the operator releases the isolated DC-DC converter. Based on the rebound force of the spring 37, the L-shaped limiting plates 36 push the isolated DC-DC converter towards the Y-axis moving block 24, allowing the interface of the isolated DC-DC converter to be plugged into the test probe of the testing instrument.

[0039] The present invention also includes a guide rod 38 connected to the push plate 35 and located at the top and bottom of the screw 34, and the end of the guide rod 38 away from the push plate 35 passes through the X-axis moving block 33;

[0040] The top of the push clamp 3 is provided with a second upper sliding groove 39, and a second threaded tightening knob 310 is provided on the second upper sliding groove 39. The threaded end of the second threaded tightening knob 310 is threadedly connected to the top of the X-axis moving block 33.

[0041] In use, by utilizing the screw 34 and guide rod 38, after the operator rotates the screw 34, the screw 34 can push the push plate 35, thereby adjusting the distance between the L-shaped limit plate 36 and the Y-axis moving block 24, so as to better meet the insertion requirements of the isolated DC-DC converter for the test instrument.

[0042] In use, this invention adjusts the positions of the Y-axis moving block 24 and the L-shaped limiting plate 36 based on the size and specifications of the isolated DC-DC converters to be tested in that batch. This ensures that the space between the L-shaped limiting plate 36 and the Y-axis moving block 24 is just large enough for the isolated DC-DC converter to be inserted. During testing of each group of isolated DC-DC converters, inserting the converter between the L-shaped limiting plate 36 and the Y-axis moving block 24 allows the converter's interface to connect with the probe of the testing equipment, enabling rapid testing. During insertion, the operator grips the isolation... The isolated DC-DC converter is inserted between the L-shaped limiting plates 36, and the tail of the isolated DC-DC converter is first pushed against the L-shaped limiting plates 36. Based on the setting of spring 37, the L-shaped limiting plates 36 and the push plate 35 can be elastically compressed. After the isolated DC-DC converter is fully inserted between the L-shaped limiting plates 36, the person releases their hand, and the L-shaped limiting plates 36 push the isolated DC-DC converter towards the Y-axis moving block 24 based on the rebound force of spring 37, so that the interface of the isolated DC-DC converter can be plugged into the test probe of the test instrument. This enables quick clamping and testing of the isolated DC-DC converter, which is flexible and convenient to use.

[0043] When adjusting the X-axis lateral movement of the Y-axis moving block 24, the operator slides the X-axis moving sleeve 22 within the docking positioning frame 2. After the movement is complete, the X-axis moving sleeve 22 is rotated using the first threaded tightening knob 28 to adjust and fix the X-axis position of the Y-axis moving block 24. When it is necessary to adjust the star-shaped Y-axis of the Y-axis moving block 24, the Y-axis moving block 24 is slid up and down within the X-axis moving sleeve 22 based on the third T-shaped slide groove 25. After the adjustment is complete, the Y-axis moving block 24 is threaded and fixed using the third threaded tightening knob 210.

[0044] When the position of the L-shaped limiting plate 36 needs to be adjusted, the sliding connection between the bottom of the X-axis moving block 33 and the second T-shaped slide groove 31 allows the X-axis moving block 33 to slide laterally in the push clamp 3 until the distance between the L-shaped limiting plates 36 can meet the requirements for side clamping of the isolated DC-DC converter. The L-shaped limiting plate 36 is then longitudinally adjusted along the Z-axis by rotating the screw 34. After the operator rotates the screw 34, the screw 34 can push the push plate 35, thereby adjusting the distance between the L-shaped limiting plate 36 and the Y-axis moving block 24 to better meet the insertion requirements of the isolated DC-DC converter for the test instrument.

[0045] 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 descriptions of the above embodiments and specifications are merely illustrative of the principles of this 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 protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An isolated DC-DC converter test fixture, characterized in that, It includes a platform (1), a docking positioning frame (2) and a push clamp frame (3), wherein the docking positioning frame (2) and the push clamp frame (3) are respectively fixedly connected to the top two ends of the platform (1), and a heat dissipation mesh (11) is installed through the middle of the platform (1); The docking positioning frame (2) is provided with an X-axis moving sleeve (22) and a Y-axis moving block (24) for mounting a detection probe. The push clamp frame (3) is provided with an X-axis moving block (33), a push plate (35) and an L-shaped limiting plate (36).

2. The isolated DC-DC converter test fixture according to claim 1, characterized in that, The platform (1) has a first T-shaped slide groove (21) and a second T-shaped slide groove (31) at both ends and at the bottom of the docking positioning frame (2) and the push clamp frame (3). The X-axis moving sleeve (22) is located on the first T-shaped slide groove (21), and the bottom of the X-axis moving sleeve (22) is slidably connected to the first T-shaped slide groove (21) through the first T-shaped slider (23). The X-axis moving block (33) is located on the second T-shaped slide groove (31), and the bottom of the X-axis moving block (33) is slidably connected to the second T-shaped slide groove (31) through the second T-shaped slider (32).

3. The isolated DC-DC converter test fixture according to claim 2, characterized in that, The Y-axis moving block (24) is located inside the X-axis moving sleeve (22). A third T-shaped groove (25) is provided on one side of the X-axis moving sleeve (22). One side of the Y-axis moving block (24) is slidably connected to the third T-shaped groove (25) through a third T-shaped slider (26). The docking positioning frame (2) has a first upper sliding groove (27) on its top. A first threaded tightening knob (28) is provided on the top of the first upper sliding groove (27). The threaded end of the first threaded tightening knob (28) passes through the first upper sliding groove (27) and is threadedly connected to the top of the Y-axis moving block (24). The Y-axis moving block (24) has a side slide groove (29) on one side, and a third threaded tightening knob (210) is provided on one side of the side slide groove (29). The threaded end of the third threaded tightening knob (210) passes through the side slide groove (29) and is threadedly connected to the Y-axis moving block (24).

4. The isolated DC-DC converter test fixture according to claim 3, characterized in that, The X-axis moving block (33) has a screw (34) threaded through its middle. The push plate (35) is rotatably connected to one end of the screw (34) via a bearing. A knob (311) is provided at the end of the screw (34) away from the push plate (35). The L-shaped limiting plate (36) is located on the side of the push plate (35) away from the screw (34), and a spring (37) is provided between the L-shaped limiting plate (36) and the push plate (35).

5. The isolated DC-DC converter test fixture according to claim 4, characterized in that, The push plate (35) is connected to the top and bottom of the screw (34) by a guide rod (38), and the end of the guide rod (38) away from the push plate (35) passes through the X-axis moving block (33); The push clamp (3) has a second upper slide groove (39) on its top, and a second threaded tightening knob (310) is provided on the second upper slide groove (39). The threaded end of the second threaded tightening knob (310) is threadedly connected to the top of the X-axis moving block (33).

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