Insulation test device for high-voltage switch and switching connection kit

Abstract

The utility model relates to the technical field of insulation test detection of high-voltage switch products, in particular to an insulation test device for a high-voltage switch and a switching connection kit. The insulation test device for the high-voltage switch comprises a basin-type insulator, the basin-type insulator is connected with an electric connection contact seat used for being connected with a butt joint conductor of a high-voltage switch product, the electric connection contact seat is further provided with a switching connection kit, and the switching connection kit comprises a set of switching connection pieces. Each switching connecting piece comprises a contact seat insertion peripheral surface used for being in insertion conduction with an electric connection contact seat and a conductor insertion structure used for being in insertion conduction with a butt joint conductor, and the outer diameters of the contact seat insertion peripheral surfaces of all the switching connecting pieces in the whole set of switching connecting pieces are equal. The conductor insertion structures of the switching connecting pieces are different in size so as to adapt to butt joint conductors of different sizes; during the test, the adaptive switching connecting pieces are selected according to the sizes of different butt-joint conductors, insulation tests can be carried out on high-voltage switch products of various different voltage grades, and plug and play is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of insulation test and detection of high-voltage switch products, in particular to an insulation test device and a transfer connection kit for a high-voltage switch. Background Art

[0002] The insulation test of high-voltage switch products includes power frequency withstand voltage, impulse withstand voltage test and partial discharge measurement, such as Figure 1 As shown, the insulation test device for high-voltage switches is generally connected to the insulation housing 1 through a pot-type insulator 2 to isolate the air chamber, and the test conductor (not shown in the figure) of the insulation test device is connected to the high-voltage switch product through the center conductor of the pot to conduct insulation testing. The voltage levels of high-voltage switch products are diverse, and the diameters of the butt conductors 4 used are different. The electrical connection contact seat 3 in the pot-type insulator 2 serves as a transition interface for the electrical connection of the insulation test device. Before each test, it is necessary to replace the electrical connection contact seat 3 of different structures by disassembling and assembling bolts according to the diameter of the butt conductor 4 of the high-voltage switch product; or use the electrical connection contact seat 3 on the test device to match the butt conductor 4 of the high-voltage switch product. After the test is completed, the butt conductor 4 installed for the test is removed, and the butt conductor 4 for the original high-voltage switch product structure is reinstalled.

[0003] The applicability of the insulation test device for high-voltage switches in the prior art is poor. When performing insulation tests, either the electrical contact seat 3 or the docking conductor 4 needs to be replaced, both of which add an assembly process and affect the efficiency of the insulation test. Utility Model Content

[0004] The purpose of the utility model is to provide an insulation test device for a high-voltage switch, so as to solve the problem that the insulation test device in the prior art has poor applicability, which affects the test efficiency of insulation tests on different high-voltage switch products; the purpose of the utility model is also to provide a switching connection kit, so as to solve the problem that the insulation test device in the prior art has poor applicability, which affects the test efficiency of insulation tests on different high-voltage switch products.

[0005] To achieve the above-mentioned purpose, the technical solution of the insulation test device for high-voltage switches provided by the utility model is: it includes an insulating shell and a pot-type insulator installed at the port of the insulating shell, the pot-type insulator is connected to an electrical contact seat for connecting with the conductor of the high-voltage switch product to achieve conduction, the electrical contact seat is also configured with a transition connection kit, the transition connection kit includes a set of transition connectors, the transition connector includes a contact seat plug-in outer peripheral surface for plugging and conducting with the electrical contact seat and a conductor plug-in structure for plugging and conducting with the connecting conductor, the outer diameters of the contact seat plug-in outer peripheral surfaces of each transition connector in the set of transition connectors are equal, and the conductor plug-in structures of each transition connector have different sizes to adapt to connecting conductors of different sizes.

[0006] As a further improvement, the adapter connecting member is an adapter connecting sleeve, and the inner hole of the adapter connecting sleeve constitutes the conductor insertion structure described above.

[0007] As a further improvement, a stop structure is provided at one end of the adapter connecting sleeve for abutting and cooperating with one end of the docking conductor.

[0008] As a further improvement, the stop structure is an inward flange provided at the opening at one end of the adapter connecting sleeve.

[0009] As a further improvement, the inner wall of the adapter connecting sleeve is provided with conductive fingers for electrically connecting with the outer peripheral surface of the adapted docking conductor.

[0010] The beneficial effects are as follows: The present utility model improves the existing insulation test device for high-voltage switches. Through the configured set of adapter connecting members, the insulation test device for high-voltage switches has universality and can be adapted to various high-voltage switch products with different voltage levels. Compared with the prior art, testers no longer need to replace the electrical connection seats of pot-type insulators of different sizes by disassembling bolts, nor do they need to replace the docking conductors of different high-voltage switch products. They only need to select an adapted adapter connecting member according to the size of the docking conductor of different high-voltage switch products and insert it into the electrical connection seat of the pot-type insulator, and can conduct insulation tests on various high-voltage switch products with different voltage levels, and it is plug-and-play, shortening the test preparation time, improving the efficiency and convenience of the test, and facilitating the standardized operation of production.

[0011] To achieve the above object, the technical solution of the adapter connection kit provided by the present utility model is: The adapter connection kit includes a set of adapter connecting members. The adapter connecting member includes a contact seat insertion outer peripheral surface for inserting and conducting with the electrical connection seat and a conductor insertion structure for inserting and conducting with the docking conductor. The outer diameters of the contact seat insertion outer peripheral surfaces of the respective adapter connecting members in the set of adapter connecting members are equal, and the sizes of the conductor insertion structures of the respective adapter connecting members are different to adapt to docking conductors of different sizes.

[0012] As a further improvement, the adapter connecting member is an adapter connecting sleeve, and the inner hole of the adapter connecting sleeve constitutes the conductor insertion structure described above.

[0013] As a further improvement, a stop structure is provided at one end of the adapter connecting sleeve for abutting and cooperating with one end of the docking conductor.

[0014] As a further improvement, the stop structure is an inward flange provided at the opening at one end of the adapter connecting sleeve.

[0015] As a further improvement, the inner wall of the adapter connecting sleeve is provided with conductive fingers for electrically connecting with the outer peripheral surface of the adapted docking conductor.

[0016] The beneficial effects are as follows: The present utility model provides a brand-new adapter connection kit. The adapter connection kit includes a complete set of adapter connectors for an insulation test device for high-voltage switches. The adapter connectors can be adapted to high-voltage switch products of various different voltage levels, making the insulation test device for high-voltage switches universal. Compared with the prior art, testers no longer need to replace the electrical connection seat of the pot-type insulator of different sizes by disassembling bolts, nor do they need to replace the butt conductors of different high-voltage switch products. They only need to select a suitable adapter connector according to the size of the butt conductor of different high-voltage switch products and insert it into the electrical connection seat of the pot-type insulator, and can conduct insulation tests on high-voltage switch products of various different voltage levels, and it is plug-and-play, shortening the test preparation time, improving the efficiency and convenience of the test, and facilitating the standardized operation of production. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 FIG. 6 is a schematic connection diagram of the insulation test device for high-voltage switches in the prior art when conducting an insulation test with the butt conductor of the high-voltage switch;

[0018] Figure 2 FIG. 10 is a schematic connection diagram of the insulation test device for high-voltage switches provided by the present utility model when conducting an insulation test with the butt conductor of the high-voltage switch;

[0019] Figure 3 FIG. 14 is Figure 2 a schematic diagram in an exploded state of

[0020] Figure 4 FIG. 20 is a schematic structural diagram of an adapter connector in the adapter connection kit of the insulation test device for high-voltage switches provided by the present utility model;

[0021] Figure 5 FIG. 24 is a schematic structural diagram of another adapter connector in the adapter connection kit of the insulation test device for high-voltage switches provided by the present utility model;

[0022] In the figures: 1, insulation housing; 2, pot-type insulator; 3, electrical connection seat; 4, butt conductor; 5, conductor conductive finger; 6, electrical connection conductive finger; 7, adapter connector; 8, inward flange. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The features and performance of the present utility model will be further described in detail below in conjunction with the embodiments.

[0024] The butt-jointed conductor of the high-voltage switch product should be electrically connected to the electrical contact seat of the pot-type insulator of the insulation test device, so as to carry out the insulation test of the high-voltage switch product. However, the butt-jointed conductor diameters of high-voltage switch products of different voltage levels are different, so it is necessary to replace the electrical contact seat according to the diameter of the butt-jointed conductor, or replace the butt-jointed conductor of the high-voltage switch product. After the test, the original butt-jointed conductor of the high-voltage switch product is reinstalled. Since the insulation test is carried out all year round, the applicability of the existing insulation test device is poor, resulting in low test efficiency and inability to adapt to the current actual situation. Based on this, the utility model provides an insulation test device and a transfer connector for a high-voltage switch that improves the prior art to solve the problems existing in the above-mentioned prior art.

[0025] The overall design concept of the insulation test device for high-voltage switches provided by the utility model is:

[0026] For the insulation test device for high-voltage switches, a transfer connection kit is configured. The transfer connection kit includes a set of transfer connectors, which are connected to the electrical contact seat through the outer circumference of the transfer connector. The transfer connector also has a conductor plug-in structure for plugging and connecting with the docking conductor. The conductor plug-in structure sizes of each transfer connector in a set of transfer connectors are different to accommodate docking conductors of different sizes. This set of transfer connectors has a variety of different conductor plug-in structure specifications, which can adapt to high-voltage switch docking conductors of different sizes. In actual operation, the operator only needs to select the transfer connector with the corresponding inner diameter according to the diameter of the docking conductor of the high-voltage switch product.

[0027] Compared with the existing technology of frequently plugging and replacing the electrical contact seat or docking conductor, it not only affects the test efficiency, but also easily introduces human errors, increases the safety risks during the test process, and accelerates the wear and aging of the equipment. By using a set of adapter connectors, testers no longer need to remove bolts to replace the electrical contact seats of pot-type insulators of different sizes, nor do they need to replace the docking conductors of different high-voltage switch products. Instead, testers only need to insert the appropriate adapter connector into the pot-type insulator electrical contact seat. The insulation test device can flexibly adapt to various specifications of high-voltage switch products, improving the flexibility and adaptability of the test device. In addition, this plug-and-play method simplifies the test steps, reduces the preparation work before the test, significantly improves the test efficiency, is conducive to standardized production operations, and can avoid waste of material costs caused by testing.

[0028] Based on the above overall introduction to the insulation test device for high-voltage switches of the utility model, a more specific embodiment is provided below on the basis of the overall introduction:

[0029] like Figures 2 - 5As shown, the adapter connector 7 is an adapter connecting sleeve. One end of the adapter connecting sleeve is used to conduct with the electrical connection contact seat 3 of the pot insulator 2. In actual use, a conical propulsion tooling can be inserted into the sleeve body and the adapter connecting sleeve can be pushed into the electrical connection contact seat 3. The adapter connector 7 is inserted and conducted with the electrical connection contact seat 3 through its outer peripheral surface. The inner hole at the other end of the adapter connecting sleeve is for the docking conductor 4 to be inserted. At this time, the conductor insertion structure is formed by the inner hole of the adapter connecting sleeve. Preferably, in a set of adapter connecting sleeves, each adapter connecting sleeve has a fixed outer diameter for inserting into the electrical connection contact seat to achieve conduction, and each connecting sleeve has different inner diameters for adapting to different sizes of docking conductors.

[0030] In other embodiments, after the adapter connector is inserted into the electrical connection contact seat, the other end of the adapter connector may protrude from the electrical connection contact seat, and the docking conductor is inserted over the protruding part of the adapter connector. At this time, the outer peripheral surface of the adapter connecting sleeve forms a conductor insertion structure.

[0031] A stop structure is provided at one end of the adapter connecting sleeve, which can realize the limit between the adapter connector and the docking conductor through the stop structure when assembling with the docking conductor, ensuring the assembly effect. As Figures 2 - 4 shown, the stop structure is an inward flanging 8 provided at the opening at one end of the adapter connecting sleeve. When the adapter connecting sleeve is inserted and assembled with the docking conductor 4, the inward flanging 8 can be used as a physical limit. The tester only needs to make the adapter conductor 4 abut against the inward flanging 8 to ensure that the assembly between the adapter connector 7 and the docking conductor 4 is in place. This intuitive assembly-in-place prompt improves the accuracy and efficiency of the assembly. In other embodiments, a C-shaped retaining ring can also be provided on the inner wall of the opening of the adapter connecting sleeve. When the docking conductor is inserted, the C-shaped retaining ring can stick to the top of the docking conductor, thus playing a role of fixing and stabilizing.

[0032] To further improve the adaptability of the adapter connector to the high-voltage switch product, as Figures 3 - 4 shown, a set of adapter connectors 7 includes both adapter connectors provided with conductive fingers and adapter connectors 7 without conductive fingers, so that the corresponding adapter connectors 7 can be selected according to whether the docking conductor 4 of the high-voltage switch product is provided with conductor conductive fingers 5.

[0033] Specifically, when the conductor conductive fingers 5 are installed on the outer wall of the docking conductor 4 of the high-voltage switch product, select an adapter connector with an inner wall without conductive fingers that is adapted to the diameter of the docking conductor 4 to avoid unnecessary structural complexity and potential mechanical interference. Naturally, when the docking conductor 4 of the high-voltage switch product does not have conductor conductive fingers 5, select an adapter connector 7 with conductive fingers that is adapted to the diameter of the docking conductor 4 to ensure good contact between the adapter connector 7 and the docking conductor 4.

[0034] Preferably, the conductive contact fingers are spring contact fingers. In experimental tests, the spring contact fingers can absorb vibrations, prevent poor contact to a certain extent, and help maintain the reliability and stability of the electrical connection. In addition, the adapter connector is equipped with spring contact fingers. For situations where there are slight differences, the spring contact fingers can compensate for certain dimensional errors and ensure a tight electrical connection.

[0035] When assembling the adapter connector 7 and the docking conductor 4, the conductive contact fingers on the adapter connector 7 should be arranged away from the conductive contact fingers 5 on the docking conductor 4 to avoid jamming or mutual interference between the adapter connector 7 and the docking conductor 4 during assembly, ensure smooth plug-in, and avoid damage during assembly.

[0036] like Figure 2 As shown, in another more preferred embodiment, the inner wall of the electrical connection contact seat 3 is provided with an electrical connection conductive contact finger 6, and the outer wall of the docking conductor 4 is provided with a conductor conductive contact finger, and a transition connector 7 without a conductive contact finger is selected. At this time, the structure of the transition connector 7 is simpler. During the assembly process, the outer peripheral surface of the transition connector 7 cooperates with the electrical connection conductive contact finger 6 in the electrical connection contact seat 3, and the inner peripheral surface of the transition connector 7 cooperates with the conductor conductive contact finger 5 of the docking conductor 4, thereby achieving a reliable electrical connection effect.

[0037] The specific structure of the embodiment of the adapter connection kit of the utility model is the same as the structure of the adapter connection kit in the embodiment of the insulation test device for the high-voltage switch introduced above, and will not be described in detail herein.

[0038] It should be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0039] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. The patent protection scope of the present invention shall be based on the claims. All equivalent structural changes made using the description and drawings of the present invention shall be included in the protection scope of the present invention.

Claims

1. An insulation test device for a high-voltage switch, comprising an insulating housing and a pot-type insulator installed at a port of the insulating housing, the pot-type insulator being connected with an electrical connection contact seat for connecting with a conductor of a high-voltage switch product to achieve conduction, wherein: The electrical contact seat is also equipped with a set of adapter connectors, which include a contact seat plug-in peripheral surface for plugging and conducting with the electrical contact seat and a conductor plug-in structure for plugging and conducting with the docking conductor. The outer diameters of the contact seat plug-in peripheral surfaces of each adapter connector in the set of adapter connectors are equal, and the conductor plug-in structures of each adapter connector have different sizes to accommodate docking conductors of different sizes.

2. The insulation test device for a high voltage switch according to claim 1, characterized in that: The adapter connector is an adapter sleeve, and the inner hole of the adapter sleeve constitutes the conductor plug-in structure.

3. The insulation test device for a high voltage switch according to claim 2, characterized in that: One end of the adapter sleeve is provided with a stop structure for abutting against one end of the butt conductor.

4. The insulation test device for a high voltage switch according to claim 3 is characterized in that: The stopping structure is an inner turning edge arranged at an opening of one end of the transfer connection sleeve.

5. The insulation test device for a high voltage switch according to any one of claims 2 to 4, characterized in that: The inner wall of the adapter connection sleeve is provided with conductive contact fingers for conductively connecting with the outer peripheral surface of the matching docking conductor.

6. A transfer connection kit, characterized in that: The connection kit includes a set of adapter connectors, which include a contact socket plug-in peripheral surface for plugging and conducting with an electrical contact socket and a conductor plug-in structure for plugging and conducting with a docking conductor. The outer diameters of the contact socket plug-in peripheral surfaces of each adapter connector in the set of adapter connectors are equal, and the conductor plug-in structures of each adapter connector have different sizes to accommodate docking conductors of different sizes.

7. The adapter connection kit according to claim 6, characterized in that: The adapter connector is an adapter sleeve, and the inner hole of the adapter sleeve constitutes the conductor plug-in structure.

8. The adapter connection kit according to claim 7, characterized in that: One end of the adapter sleeve is provided with a stop structure for abutting against one end of the butt conductor.

9. The adapter connection kit according to claim 8, characterized in that: The stopping structure is an inner turning edge arranged at an opening of one end of the transfer connection sleeve.

10. The adapter connection kit according to any one of claims 7 to 9, characterized in that: The inner wall of the adapter connection sleeve is provided with conductive contact fingers for conductively connecting with the outer peripheral surface of the matching docking conductor.

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