Series resonance voltage withstanding test device capable of rapidly dissipating heat and rapidly boosting

Abstract

The utility model discloses a series resonance withstand voltage test device with rapid heat dissipation and rapid boost, and relates to the technical field of wire core testing, the series resonance withstand voltage test device comprises a workbench and a multi-station adjusting assembly, the right side of the workbench is provided with the multi-station adjusting assembly, and the multi-station adjusting assembly comprises a bottom plate, a guide groove, a screw rod, a pressing sheet and a butterfly nut. According to the series resonance withstand voltage test device capable of rapidly dissipating heat and rapidly boosting provided by the invention, when the series resonance withstand voltage test device is used, the high-voltage binding post is screwed into the threaded hole to be in threaded connection with the wire core clamp, and the high-voltage outgoing line is wound around the exposed part of the high-voltage binding post and is tightly clamped. A plurality of high-voltage ends can be output at the same time, only each wire core of a to-be-tested cable needs to be connected to the high-voltage end through the wire core clamp during a withstand voltage test, the withstand voltage tester can automatically complete commutation operation after an operator carries out boosting operation, an inspector does not need to manually switch high-voltage wires, and the withstand voltage test time of a finished product is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of wire core testing, in particular to a series resonance withstand voltage testing device with rapid heat dissipation and rapid voltage boosting. Background Art

[0002] After multi-core cables are produced, they need to be subjected to a voltage test to ensure the safety and reliability of the cables in subsequent use. Currently, the test of multi-core cables is carried out by manually switching high-voltage wire clamps.

[0003] In the finished product withstand voltage test, each insulated core of the cable is required to undergo a withstand voltage test. Our conventional low-voltage power cables range from single-core to five-core, and control cables have more cores, up to 64 cores. Conventional withstand voltage tests require inspectors to replace high-voltage connecting wires multiple times to complete the finished cable withstand voltage test, which is time-consuming, labor-intensive, cumbersome to use, and has low detection efficiency.

[0004] Therefore, in view of this, the shortcomings of the existing structure are studied and improved, and a series resonant withstand voltage test device with rapid heat dissipation and rapid voltage increase is proposed. Utility Model Content

[0005] The utility model aims to provide a series resonance withstand voltage test device with rapid heat dissipation and rapid voltage increase, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a series resonance withstand voltage test device with rapid heat dissipation and rapid voltage increase, comprising a workbench and a multi-station adjustment component, a multi-station adjustment component is arranged on the right side of the workbench, the multi-station adjustment component comprises a base plate, a guide groove, a screw, a pressure plate and a butterfly nut, a guide groove is opened in the middle of the base plate, and screws are fixed at the four corners of the base plate, a pressure plate is arranged in the middle of the screw, and a butterfly nut is arranged at the end of the screw.

[0007] Furthermore, the guide groove is opened through along the extension direction of the middle part of the bottom plate, and the opening depth of the guide groove is less than the thickness of the bottom plate.

[0008] Furthermore, the middle portion of the screw rod is slidably matched with the pressing sheet, and the end of the screw rod is threadably matched with the butterfly nut.

[0009] Furthermore, a withstand voltage tester is arranged on the left side of the workbench, and the withstand voltage tester has a built-in high-frequency power electronic conversion topology, and a heat dissipation window is arranged on the top of the withstand voltage tester.

[0010] Furthermore, the output end of the withstand voltage tester is externally connected to a high voltage lead wire, and the root of the high voltage lead wire is connected to an external control interface.

[0011] Furthermore, a plurality of sets of wire core clamps are arranged on the top of the base plate, and the wire core clamps include an insulating base and a guide block. The length of the insulating base is greater than the relative surface distance between the pressing plates on both sides, and the guide block is integrally fixed to the bottom of the insulating base, and the guide block slides in cooperation with the guide groove.

[0012] Furthermore, the wire core clamp also includes a high-voltage terminal, and the front end of the insulating base is provided with a high-voltage terminal, and the exposed part of the high-voltage terminal is wound with the high-voltage lead-out line.

[0013] Furthermore, the wire core clamp also includes a fixed end plate, a movable pressure plate and a torsion spring. A fixed end plate is provided on one side of the rear end of the insulating base, and a movable pressure plate is rotatably installed on the other side of the rear end of the insulating base, and a torsion spring is elastically connected to the root of the movable pressure plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. When the utility model is in use, the high-voltage terminal is screwed into the threaded hole and threadedly connected to the wire core clamp, and the high-voltage lead-out wire is wound around the exposed part of the high-voltage terminal and clamped. The application adopts a voltage-resistant method of fast phase change of the finished product, which can output multiple high-voltage ends at the same time. During the voltage-resistant test, it is only necessary to connect each wire core of the cable to be tested to the high-voltage end through the wire core clamp. After the operator performs the voltage-boosting operation, the voltage-resistant tester will automatically complete the phase-changing operation. There is no need for the inspector to manually switch the high-voltage line, which saves the time of the finished product voltage-resistant test. The voltage-resistant tester has a built-in high-frequency power electronic conversion topology, and uses low-voltage and small-capacity switching devices to achieve high-power conversion. The devices are connected in series to increase the voltage level and achieve fast voltage boosting. A heat dissipation window is provided on the top of the voltage-resistant tester for fast heat dissipation of the equipment.

[0016] 2. The utility model sets a multi-station adjustment component. By loosening the butterfly nut, the pressure of the pressing piece on the two ends of the insulating base is released, so that the insulating base can be limited and moved in the guide groove opened in the middle of the bottom plate by the bottom guide block. By tightening the butterfly nut, the pressing piece presses the two ends of the insulating base to fix the relative positions of the multiple groups of wire core clamps at this time. By adjusting the distance between the multiple groups of wire core clamps, it is possible to adapt to the positioning and assembly of multiple experimental devices connected in series, thereby improving the adaptability of the device.

[0017] 3. The utility model sets a core clamp, pinches the movable pressure plate to overcome the elastic force of the torsion spring and opens, and each core of the cable to be tested is stripped of its insulation layer and placed in the corresponding core clamp. The core is squeezed and fixed by the cooperation of the movable pressure plate and the fixed end plate. By setting multiple sets of core clamps, multiple cores to be tested can be tested at the same time, thereby improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a schematic diagram of the overall external structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the explosion structure of the multi-station adjustment component of the utility model;

[0020] Figure 3 This is a schematic diagram of the external structure of the wire core clamp of the utility model.

[0021] In the figure: 1. workbench; 2. withstand voltage tester; 3. high voltage lead-out wire; 4. multi-position adjustment assembly; 401. bottom plate; 402. guide groove; 403. screw; 404. pressing piece; 405. butterfly nut; 5. wire core clamp; 501. insulating base; 502. guide block; 503. high voltage terminal; 504. fixed end plate; 505. movable pressing plate; 506. torsion spring. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0023] like Figure 1 to Figure 2As shown, a series resonance withstand voltage test device with rapid heat dissipation and rapid voltage increase comprises a workbench 1 and a multi-station adjustment component 4, a withstand voltage tester 2 is arranged on the left side of the workbench 1, and the withstand voltage tester 2 has a built-in high-frequency power electronic conversion topology, and a heat dissipation window is arranged on the top of the withstand voltage tester 2, a high-voltage lead-out line 3 is externally connected to the output end of the withstand voltage tester 2, and an external control interface is connected to the root of the high-voltage lead-out line 3, the withstand voltage tester 2 has a built-in high-frequency power electronic conversion topology, and a low-voltage and small-capacity switching device is used to realize high-power conversion, and the devices are connected in series to increase the voltage level, so as to realize rapid voltage increase, and the withstand voltage tester 2 is provided with a high-frequency power electronic conversion topology. A heat dissipation window is provided on the top of the tester 2 for rapid heat dissipation of the equipment. A multi-station adjustment component 4 is provided on the right side of the workbench 1. The multi-station adjustment component 4 includes a bottom plate 401, a guide groove 402, a screw rod 403, a pressing plate 404 and a butterfly nut 405. The guide groove 402 is opened through along the extension direction of the middle part of the bottom plate 401, and the opening depth of the guide groove 402 is less than the thickness of the bottom plate 401. The middle part of the bottom plate 401 is provided with a guide groove 402, and screw rods 403 are fixed at four corners of the bottom plate 401. A pressing plate 404 is provided in the middle part of the screw 403, and a butterfly nut 405 is provided at the end of the screw 403. The middle part of the screw 403 is slidably matched with the pressing piece 404, and the end of the screw 403 is threadedly matched with the butterfly nut 405. By loosening the butterfly nut 405, the pressing of the pressing piece 404 on the two ends of the insulating base 501 is released, so that the insulating base 501 can be limited and moved in the guide groove 402 opened in the middle of the bottom plate 401 through the bottom guide block 502. By tightening the butterfly nut 405, the pressing piece 404 is pressed on the two ends of the insulating base 501 to fix the relative positions of the multiple groups of wire core clamps 5 at this time. By adjusting the distance between the multiple groups of wire core clamps 5, it is possible to adapt to multiple experiments in series. The device is positioned and assembled to improve the adaptability of the device. When in use, the high-voltage terminal 503 is screwed into the threaded hole and threadedly connected to the core clamp 5. The high-voltage lead wire 3 is wound around the exposed part of the high-voltage terminal 503 and clamped. The present application adopts a withstand voltage method of finished product withstand voltage fast phase change, which can output multiple high-voltage ends at the same time. During the withstand voltage test, it is only necessary to connect each core of the cable to be tested to the high-voltage end through the core clamp 5. After the operator performs the boost operation, the withstand voltage tester 2 will automatically complete the phase change operation. There is no need for the inspector to manually switch the high-voltage line, which saves the time of the finished product withstand voltage test.

[0024] like Figures 1 to 3As shown, multiple groups of wire core clamps 5 are arranged on the top of the bottom plate 401, and the wire core clamps 5 include an insulating base 501 and a guide block 502. The length of the insulating base 501 is greater than the relative surface distance of the pressing plates 404 on both sides, and the guide block 502 is fixed to the bottom of the insulating base 501 in an integrated manner, and the guide block 502 is slidably matched with the guide groove 402. The wire core clamp 5 also includes a high-voltage terminal 503. The high-voltage terminal 503 is arranged at the front end of the insulating base 501, and the exposed part of the high-voltage terminal 503 is wound with the high-voltage lead-out line 3. The wire core clamp 5 also includes a fixed end plate 504, a movable pressing plate 505 and a torsion spring 506. Spring 506, a fixed end plate 504 is provided on one side of the rear end of the insulating base 501, and a movable pressing plate 505 is rotatably installed on the other side of the rear end of the insulating base 501, and the root of the movable pressing plate 505 is elastically connected with a torsion spring 506, the movable pressing plate 505 is pinched to overcome the elastic force of the torsion spring 506 and open, and each wire core of the cable to be tested is stripped of the insulation layer and placed in the corresponding wire core clamp 5, and the wire core is squeezed and fixed by the cooperation of the movable pressing plate 505 and the fixed end plate 504, and by setting multiple sets of wire core clamps 5, multiple wire cores to be tested can be tested at the same time, thereby improving the detection efficiency.

[0025] Working principle: When using the series resonant withstand voltage test device with rapid heat dissipation and rapid voltage increase, the movable pressing plate 505 is pinched to overcome the elastic force of the torsion spring 506 and open, and each wire core of the cable to be tested is stripped of the insulation layer and placed in the corresponding wire core clamp 5, and the wire core is squeezed and fixed by the cooperation of the movable pressing plate 505 and the fixed end plate 504. By setting up multiple sets of wire core clamps 5, multiple wire cores to be tested can be tested at the same time, thereby improving the detection efficiency. By loosening the butterfly nut 405, the pressing of the pressing piece 404 on both ends of the insulating base 501 is released, so that the insulating base 501 can be limitedly moved in the guide groove 402 opened in the middle of the bottom plate 401 by the bottom guide block 502, and by tightening the butterfly nut 405, the pressing piece 404 is pressed on both ends of the insulating base 501 to fix the relative positions of the multiple sets of wire core clamps 5 at this time, and the positions between the multiple sets of wire core clamps 5 are adjusted. distance, so as to adapt to the positioning and assembly of multiple experimental devices connected in series, and improve the adaptability of the device. When in use, the high-voltage terminal 503 is screwed into the threaded hole and threadedly connected to the core clamp 5, and the high-voltage lead-out line 3 is wound around the exposed part of the high-voltage terminal 503 and clamped. The present application adopts a finished product withstand voltage fast phase-changing withstand voltage method, which can output multiple high-voltage ends at the same time. During the withstand voltage test, it is only necessary to connect each core of the cable to be tested to the high-voltage end through the core clamp 5. After the operator performs the boost operation, the withstand voltage tester 2 will automatically complete the phase-changing operation, and the inspector does not need to manually switch the high-voltage line, which saves the time of the finished product withstand voltage test. The withstand voltage tester 2 has a built-in high-frequency power electronic conversion topology, and uses low-voltage and small-capacity switching devices to achieve high-power conversion. The devices are connected in series to increase the voltage level and achieve rapid voltage boost. A heat dissipation window is provided on the top of the withstand voltage tester 2 for rapid heat dissipation of the equipment.

[0026] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A series resonant withstand voltage test device with rapid heat dissipation and rapid voltage increase, characterized in that: The invention comprises a workbench (1) and a multi-station adjustment component (4), wherein the multi-station adjustment component (4) is arranged on the right side of the workbench (1), and the multi-station adjustment component (4) comprises a base plate (401), a guide groove (402), a screw rod (403), a pressing plate (404) and a butterfly nut (405), wherein a guide groove (402) is provided in the middle of the base plate (401), and screw rods (403) are fixed at four corners of the base plate (401), a pressing plate (404) is arranged in the middle of the screw rod (403), and a butterfly nut (405) is arranged at the end of the screw rod (403).

2. A series resonant withstand voltage test device with rapid heat dissipation and rapid voltage increase according to claim 1, characterized in that: The guide groove (402) is opened in a penetrating manner along the extension direction of the middle part of the bottom plate (401), and the opening depth of the guide groove (402) is less than the thickness of the bottom plate (401).

3. The series resonant withstand voltage test device with rapid heat dissipation and rapid voltage increase according to claim 1, characterized in that: The middle part of the screw rod (403) is slidably matched with the pressing plate (404), and the end of the screw rod (403) is threadably matched with the butterfly nut (405).

4. The series resonant withstand voltage test device with rapid heat dissipation and rapid voltage increase according to claim 1, characterized in that: A withstand voltage tester (2) is arranged on the left side of the workbench (1), the withstand voltage tester (2) has a built-in high-frequency power electronic conversion topology, and a heat dissipation window is arranged on the top of the withstand voltage tester (2).

5. A series resonant withstand voltage test device with rapid heat dissipation and rapid voltage increase according to claim 4, characterized in that: The output end of the withstand voltage tester (2) is externally connected to a high voltage lead-out line (3), and the root of the high voltage lead-out line (3) is connected to an external control interface.

6. The series resonant withstand voltage test device with rapid heat dissipation and rapid voltage increase according to claim 1, characterized in that: A plurality of sets of wire core clamps (5) are arranged on the top of the bottom plate (401), and the wire core clamps (5) include an insulating base (501) and a guide block (502). The length of the insulating base (501) is greater than the relative surface distance between the pressing plates (404) on both sides, and the guide block (502) is integrally fixed to the bottom of the insulating base (501), and the guide block (502) is slidably matched with the guide groove (402).

7. A series resonant withstand voltage test device with rapid heat dissipation and rapid voltage increase according to claim 6, characterized in that: The wire core clamp (5) further comprises a high-voltage terminal (503), the front end of the insulating base (501) is provided with the high-voltage terminal (503), and the exposed portion of the high-voltage terminal (503) is wound around the high-voltage lead wire (3).

8. The series resonant withstand voltage test device with rapid heat dissipation and rapid voltage increase according to claim 6, characterized in that: The wire core clamp (5) further comprises a fixed end plate (504), a movable pressure plate (505) and a torsion spring (506); a fixed end plate (504) is arranged on one side of the rear end of the insulating base (501); a movable pressure plate (505) is rotatably mounted on the other side of the rear end of the insulating base (501); and a torsion spring (506) is elastically connected to the root of the movable pressure plate (505).

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