Insulation pillar electrical test simulation device

By laterally arranging high-voltage and grounding conductors in the insulated pillar electrical test simulation device, the coupling plate forms an installation space, which solves the problem of increasing cylinder size and length in the existing device, and achieves the effect of space saving and cost reduction.

CN223139761UActive Publication Date: 2025-07-22PINGGAO GRP CO LTD +1
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Patent Information

Application Number
CN202422227732.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-11
Publication Date
2025-07-22
Estimated Expiration
2034-09-11

AI Technical Summary

Technical Problem

In the existing electrical test simulation devices for insulated pillars, vertical installation of insulated pillars leads to an increase in cross-sectional size of the test cylinder, and axially spaced arrangement of multiple pillars leads to an increase in length of the cylinder, occupying a large space.

Method used

High-voltage conductors and grounding conductors are arranged horizontally, and installation space is formed between the coupling plates, and insulated pillars are installed horizontally to reduce the cross-sectional area of the test cylinder and fixed by screws, so that multiple pillars can be installed at the same time.

Benefits of technology

Effectively reduce the volume and space occupied by the test cylinder, improve the test efficiency and reduce material costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of electrical performance testing devices, and particularly relates to an insulating pillar electrical test simulation device. The insulation pillar electrical test simulation device comprises a transverse test cylinder, a high-voltage conductor used for being connected with high-voltage electricity and a grounding conductor used for being grounded are transversely arranged in the test cylinder, the high-voltage conductor and the grounding conductor are arranged in a spaced mode in the transverse direction, and conductive connecting plates are fixed to the opposite ends of the high-voltage conductor and the grounding conductor respectively. The two connecting plates are arranged in parallel at intervals along the transverse direction, an installation space used for installing an insulating support column is formed between the two connecting plates, and each connecting plate is provided with a first screw through hole for a first screw to pass through so as to be in threaded fit connection with an insert at the end part of the insulating support column. And at least two groups of first screw through holes are formed in the two connecting plates and are used for mounting at least two insulating supporting columns. Therefore, the plurality of insulating pillars can be transversely installed between the two connecting plates at the same time, the cross section size of the test cylinder can be reduced through transverse installation, and meanwhile the length of the test cylinder does not need to be increased.
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Description

Technical Field

[0001] The utility model relates to an insulating post electrical test simulation device, belonging to the field of electrical performance testing devices. Background Art

[0002] Insulating posts are usually used in the moving contact assemblies of circuit breakers, and their structures can be referred to Figure 1 , and the insulating post includes an inner hole wall 101, an outer peripheral wall 102, two end walls 103, and a plurality of inserts 104 on the end walls. Threaded holes are provided on the inserts 104 for easy connection. The insulating post has the functions of supporting the moving contact and connecting the high-voltage end and the grounding end for electrical isolation. Its insulation performance is an important assessment index. It is not only necessary to conduct performance tests on each insulating post to verify the insulation strength, but also necessary to randomly select some insulating posts for lightning withstand voltage tests and impulse withstand voltage tests to test the withstand voltage performance.

[0003] In the existing insulating electrical test simulation devices, such as the DC insulator insulating electrical test simulation device and method disclosed in the Chinese invention patent with the application publication number CN106093723A and the application publication date November 9, 2016, the test simulation device includes a vertically arranged high-voltage introduction bushing and a horizontally arranged test cylinder body extending forward and backward. The high-voltage introduction bushing includes an introduction conductive rod and an insulating cylinder sleeved outside the introduction conductive rod. A high-voltage conductor extending forward and backward is arranged in the test cylinder body. The front end of the high-voltage conductor is electrically connected to the introduction conductive rod through a joint rod, and the rear end is sequentially connected with a tubular insulator high-voltage end mounting seat (hereinafter referred to as "high-voltage end mounting seat"), a connecting rod, and a spherical shielding cover. The high-voltage end mounting seat is provided with screw holes and screw disassembly ports. Plugging holes are arranged on both the front and rear sides of the high-voltage end mounting seat. A spring finger for electrically connecting the high-voltage end mounting seat and the high-voltage conductor is installed in one of the plugging holes. The rear end of the high-voltage end mounting seat is electrically connected to the connecting rod through the other plugging hole. An insulator grounding end mounting seat (hereinafter referred to as "grounding end mounting seat") is installed at a position radially opposite to the high-voltage end mounting seat along the test cylinder body, so that the columnar insulator is fixed in position through the high-voltage end mounting seat and the grounding end mounting seat. A sealing cover is threadedly connected below the grounding end mounting seat, and the sealing cover is fixed on the test cylinder body. An insulator disassembly port and a disassembly sealing cover are arranged at a position radially opposite to the sealing cover along the test cylinder body for easy loading and unloading of the columnar insulator.

[0004] The above test simulation device can be applied to the detection of insulating posts. However, the insulating post has a certain length. If it is vertically installed in the test cylinder body, the cross-sectional size of the test cylinder body will be relatively large. Moreover, if multiple insulating posts need to be detected simultaneously, the multiple insulating posts can only be arranged at intervals along the axial direction of the test cylinder body, which will lead to an increase in the length dimension of the test cylinder body, and further lead to a relatively large volume of the test cylinder body, occupying more space. Summary of the Utility Model

[0005] The object of the present utility model is to provide an insulating post electrical test simulation device, so as to solve the problems that when the existing test simulation device is used for insulating posts, the insulating posts need to be vertically installed in the test cylinder body, which increases the cross-sectional size of the test cylinder body, and when multiple insulating posts need to be detected simultaneously, they can only be arranged at intervals along the axial direction of the test cylinder body, which increases the length of the test cylinder body, resulting in an increase in the volume of the test cylinder body and a large occupied space.

[0006] To achieve the above object, the insulating post electrical test simulation device of the present utility model adopts the following technical solutions:

[0007] An insulating post electrical test simulation device includes a horizontally arranged test cylinder body. Inside the test cylinder body, a high-voltage conductor for connecting high-voltage electricity and a grounding conductor for grounding are horizontally arranged. The high-voltage conductor and the grounding conductor are arranged at intervals along the horizontal direction, and conductive connection plates are respectively fixed at the opposite ends of the two. The two connection plates are arranged in parallel at intervals along the horizontal direction, and an installation space for installing insulating posts is formed between the two. Each connection plate is provided with a first screw through hole for a first screw to pass through and be threadedly fitted and connected with an insert at the end of the insulating post. At least two groups of first screw through holes are respectively provided on the two connection plates for installing at least two insulating posts.

[0008] The beneficial effects of the above technical solutions are as follows: The present utility model belongs to an invention and creation with a changed element relationship. A high-voltage conductor for connecting high-voltage electricity and a grounding conductor for grounding are arranged inside the test cylinder body, and the high-voltage conductor and the grounding conductor are arranged at intervals horizontally. Conductive connection plates are respectively fixed at the opposite ends of the two. The two connection plates are arranged in parallel at intervals along the horizontal direction, and an installation space for installing insulating posts is formed between the two, so that the insulating posts can be horizontally installed in the test cylinder body, reducing the cross-sectional area of the test cylinder body. Each connection plate is provided with a first screw through hole for a first screw to pass through and be threadedly fitted and connected with an insert at the end of the insulating post, so that the insulating post can be fixed on the corresponding connection plate through the threaded insert of the insulating post itself, with a simple structure and convenient installation. At least two groups of first screw through holes are respectively provided on the two connection plates for installing at least two insulating posts. Thus, multiple insulating posts can be horizontally installed between the two connection plates at the same time, so there is no need to increase the length of the test cylinder body, and the distance between the two connection plates only needs to be set to accommodate the length of one insulating post. Compared with the prior art where the insulating posts need to be vertically installed in the test cylinder body, horizontally installing the insulating posts can reduce the cross-sectional size of the test cylinder body, and multiple insulating posts can be horizontally installed between the two connection plates at the same time. Compared with the prior art where multiple insulating posts need to be arranged at intervals along the axial direction of the test cylinder body, the length of the test cylinder body can be effectively reduced. Therefore, the present utility model can effectively reduce the volume of the test cylinder body and the occupied space of the test cylinder body.

[0009] Further, three groups of first screw through-holes are respectively arranged on the two connecting plates. The three groups of first screw through-holes on the same connecting plate are arranged in a triangular shape, and the center distance between adjacent two groups of first screw through-holes is equal to the phase spacing of the three-phase circuit breaker.

[0010] Further, each connecting plate includes three arc convex portions that are evenly distributed in a circumferential direction and are located at the edge of the connecting plate. The adjacent two arc convex portions are connected by a concave arc in a transitional manner. The three groups of first screw through-holes on the same connecting plate are respectively arranged in the areas where the arc convex portions are located.

[0011] Further, the high-voltage conductor and the grounding conductor are respectively fixedly connected to the corresponding connecting plates through second screws. Second screw through-holes for the second screws to pass through are respectively arranged in the central areas of the connecting plates.

[0012] Further, there are three second screw through-holes respectively arranged on each connecting plate, and the arrangement orientation of the three second screw through-holes is the same as that of the three groups of first screw through-holes.

[0013] Further, both the first screw through-holes and the second screw through-holes are countersunk holes, and the orientations of the countersunk parts are opposite.

[0014] Further, the first screw through-holes are countersunk holes.

[0015] Further, pot-type insulators or disc-type insulators are respectively arranged at both ends of the test cylinder. The pot-type insulators or disc-type insulators at both ends and the test cylinder jointly enclose a closed gas chamber. An inflation interface communicated with the closed gas chamber is arranged on the side wall of the test cylinder. The high-voltage conductor and the grounding conductor are respectively electrically connected to the central conductors on the pot-type insulators or disc-type insulators.

[0016] Further, a transition cylinder is arranged on the side of the test cylinder close to the high-voltage conductor. The transition cylinder has a lateral interface facing the lateral side and a top interface facing upward. A first pot-type insulator or a first disc-type insulator is clamped between the test cylinder and the lateral interface of the transition cylinder. A high-voltage bushing is connected to the top interface of the transition cylinder. An introducing conductor for connecting a high-voltage wire is arranged in the high-voltage bushing. A transition conductor is arranged in the transition cylinder. The transition conductor includes a vertical section and a horizontal section. The vertical section is electrically connected to the introducing conductor, and the horizontal section is electrically connected to the first central conductor on the first pot-type insulator or the first disc-type insulator.

[0017] Further, a grounding cylinder is arranged on the side of the test cylinder close to the grounding conductor. A second pot-type insulator or a second disc-type insulator is clamped between the test cylinder and the grounding cylinder. A grounding bus is arranged in the grounding cylinder. One end of the grounding bus is electrically connected to the second central conductor on the second pot-type insulator or the second disc-type insulator, and the other end of the grounding bus is conducted to the outer shell of the grounding cylinder. The outer shell of the grounding cylinder is integrally grounded. Description of the Drawings

[0018] Figure 1 It is a schematic structural diagram of an insulating post;

[0019] Figure 2 It is a schematic structural diagram of an embodiment of an electrical test simulation device for the insulating post of the present utility model;

[0020] Figure 3 is Figure 2 the A - A cross - sectional view in;

[0021] Figure 4 It is a schematic structural diagram of the connecting plate of an embodiment of an electrical test simulation device for the insulating post of the present utility model;

[0022] Figure 5 is Figure 4 the C - C cross - sectional view in.

[0023] In the figure: 101, inner hole wall; 102, outer peripheral wall; 103, end wall; 104, insert; 5, high - voltage bushing; 51, introduced conductor; 52, insulating cylinder; 6, transfer conductor; 61, vertical section; 62, horizontal section; 7, transfer cylinder body; 8, test cylinder body; 9, first pot - type insulator; 10, second pot - type insulator; 11, insulating post; 12, high - voltage conductor; 13, grounding conductor; 14, spherical shield; 15, grounding bus; 16, connecting plate; 161, arc convex part; 162, concave arc; 163, perforation; 17, grounding cylinder body; 18, first screw; 19, first screw perforation; 20, second screw; 21, second screw perforation. Detailed Embodiment

[0024] The features and performance of the present utility model will be further described in detail below in conjunction with the embodiments.

[0025] Aiming at the technical problems existing in the prior art, the basic technical concept of the present utility model is: arranging the high - voltage conductor and the grounding conductor horizontally at intervals, fixing a connecting plate for installing the insulating post on the opposite ends of the high - voltage conductor and the grounding conductor, and horizontally installing the insulating post between the two connecting plates, so as to reduce the cross - sectional size of the test cylinder body. Moreover, multiple insulating posts can be horizontally installed between the two connecting plates at the same time, without arranging multiple insulating posts at intervals along the axial direction of the test cylinder body, which can reduce the length of the test cylinder body. Finally, the size of the test cylinder body can be minimized as much as possible, reducing the occupied space and saving materials to reduce costs.

[0026] An embodiment of the electrical test simulation device for the insulating post in the present utility model:

[0027] Such as Figure 2As shown, the electrical test simulation device for the insulating post includes a vertically arranged high-voltage bushing 5. The high-voltage bushing 5 is fixedly connected to a transfer cylinder 7 through a flange and bolts. The transfer cylinder 7 has a lateral interface facing the lateral side and a top interface facing upward, and the top interface is connected to the high-voltage bushing 5. The lateral interface of the transfer cylinder 7 is connected to a test cylinder 8 through a flange and bolts, and the test cylinder 8 is arranged horizontally.

[0028] The high-voltage bushing 5 includes an insulating cylinder 52 and an introduced conductor 51 arranged inside the insulating cylinder 52. The introduced conductor 51 is used to connect to a high-voltage wire. A transfer conductor 6 is arranged inside the transfer cylinder 7. The transfer conductor 6 includes a vertical section 61 and a horizontal section 62. The vertical section 61 is electrically connected to the lower end of the introduced conductor 51, so that the transfer conductor 6 is connected to high-voltage electricity.

[0029] Pot-type insulators or disc-type insulators are arranged at both the front and rear ends of the test cylinder 8. In this embodiment, pot-type insulators are used. Central conductors are fixed at the centers of the pot-type insulators. The two pot-type insulators are arranged horizontally at intervals and protrude in opposite directions, and together with the test cylinder 8, they enclose a closed gas chamber. An inflation interface communicating with the closed gas chamber is arranged on the side wall of the test cylinder 8 to fill insulating gas into the test cylinder 8. The two pot-type insulators are respectively a first pot-type insulator 9 and a second pot-type insulator 10. The first pot-type insulator 9 is clamped between the lateral interface of the test cylinder 8 and the transfer cylinder 7. The central conductor of the first pot-type insulator 9 is electrically connected to the horizontal section 62, so that it can be connected to high-voltage electricity.

[0030] A grounding cylinder 17 is arranged at the rear end of the test cylinder 8, and a grounding bus 15 is arranged inside the grounding cylinder 17. In this embodiment, the test cylinder 8 and the grounding cylinder 17 are connected through a flange and bolts. The second pot-type insulator 10 is clamped between the test cylinder 8 and the grounding cylinder 17. One end of the grounding bus 15 is electrically connected to the central conductor of the second pot-type insulator 10, and the other end is conducted to the outer shell of the grounding cylinder 17. The outer shell of the grounding cylinder 17 is grounded, so that the central conductor of the second pot-type insulator 10 is grounded.

[0031] High-voltage conductors 12 and grounding conductors 13 arranged horizontally at intervals are also arranged inside the test cylinder 8. The high-voltage conductors 12 and the grounding conductors 13 are respectively electrically connected to the central conductors on adjacent pot-type insulators. Specifically, the front end of the high-voltage conductor 12 is electrically connected to the central conductor on the first pot-type insulator 9 to connect to high-voltage electricity, and the rear end of the grounding conductor 13 is electrically connected to the central conductor on the second pot-type insulator 10 to ground the grounding conductor 13.

[0032] As Figures 2 - 4As shown, conductive connection plates 16 are respectively fixed to the rear end of the high-voltage conductor 12 and the front end of the grounding conductor 13. The two connection plates 16 are arranged in parallel at intervals transversely, and an installation space for installing the insulating post 11 is formed therebetween, so that the insulating post 11 can be installed transversely, reducing the cross-sectional area of the test cylinder 8. At the same time, there is no need to open a disassembly and assembly opening on the test cylinder 8 for disassembling and assembling the insulating post 11. The insulating post 11 is fixed to the high-voltage conductor 12 and the grounding conductor 13 through the connection plate 16. The pot-type insulator can improve the sealing performance, thereby improving the safety of the test.

[0033] As Figure 3 , Figure 4 and Figure 5 shown, each connection plate 16 is provided with a first screw through-hole 19 for the first screw 18 to pass through and be threadedly engaged with the insert at the end of the insulating post 11. At least two groups of first screw through-holes 19 are respectively provided on the two connection plates 16 for installing at least two insulating posts. In this embodiment, the two connection plates 16 are respectively provided with three groups of first screw through-holes 19. The three groups of first screw through-holes 19 on the same connection plate 16 are arranged in a triangular shape, and the center distance between adjacent two groups of first screw through-holes 19 satisfies being equal to the phase spacing of the three-phase circuit breaker. Thus, three insulating posts 11 can be installed on the connection plate 16, and tests can be carried out on the three insulating posts 11 simultaneously, improving the test efficiency. Moreover, the three insulating posts are spaced apart in the vertical direction, so only the length of one insulating post is occupied in the length direction of the test cylinder. Therefore, the length of the test cylinder can be made as small as possible, and the length of the test cylinder can also be reduced compared with the way of being spaced apart along the axial direction of the test cylinder. At the same time, the installation positions of the three insulating posts 11 are the same as their installation positions in the phase circuit breaker, so it is also possible to simulate whether there is mutual influence among the three insulating posts 11 during actual use.

[0034] As Figure 3 and Figure 4 shown, each connection plate 16 includes three circular arc protrusions 161 evenly distributed in a circle. The adjacent two circular arc protrusions 161 are connected by a concave arc 162 for transition, which can save materials and reduce costs. The area where each circular arc protrusion 161 is located is used for installing the insulating post 11, and a through-hole 163 is provided in the area opposite to the central through-hole of the insulating post 11, further saving materials and reducing costs. The three groups of first screw through-holes 19 on the same connection plate 16 are respectively arranged in the area where the circular arc protrusions 161 are located, and are evenly distributed around the through-hole 163 in the area where the corresponding circular arc protrusion 161 is located, and correspond to the insert 4 on the insulating post 11. As Figure 5 shown, a first screw through-hole 19 is provided at the position on the connection plate 16 corresponding to the first screw 18, and the first screw through-hole 19 is a countersunk hole, and the countersunk part of the countersunk hole should be located at a position far from the corresponding insulating post.

[0035] As Figure 2 and Figure 3 shown, the high-voltage conductor 12 and the ground conductor 13 are fixedly connected to the corresponding connection plates 16 through the second screws 20 respectively. As Figure 4 and Figure 5 shown, second screw through-holes 21 for the second screws 20 to pass through are respectively provided at the central positions of the connection plates 16. In this embodiment, three second screw through-holes 21 are provided and are evenly distributed along the circumference. The arrangement orientations of the three second screw through-holes 21 on each connection plate 16 are the same as those of the three groups of first screw through-holes 19, that is: the centers of the three second bolt through-holes on the connection plate 16 are respectively located on the three symmetry lines of the connection plate 16 and are close to the arc protruding parts on the corresponding symmetry lines. As Figure 5 shown, the second screw through-hole 21 is a countersunk hole to avoid the screw head occupying space. The countersunk part of the countersunk hole should be located at a position away from the corresponding conductor (referring to the high-voltage conductor 12 or the ground conductor 13), that is, the countersunk part of the second screw through-hole 21 faces the opposite direction to the countersunk part of the first screw through-hole 19. Thus, the second screw 20 can be inserted from the countersunk hole, and the second screw 20 can be tightened without having to provide a relief hole on the high-voltage conductor 12 or the ground conductor 13 for the operation tool to operate, and the installation is simple and convenient.

[0036] In other embodiments, the ground busbar may not be provided, and wires may be arranged in the ground cylinder. One end of the wire is electrically connected to the central conductor of the second pot-type insulator, and the other end of the wire is grounded, or the ground cylinder is not provided, and the central conductor of the second pot-type insulator is grounded through a wire.

[0037] In other embodiments, the adapter cylinder may not be provided. At this time, a horizontal interface is provided on the high-voltage bushing, and the test cylinder is connected to the horizontal interface through a flange and bolts. The first pot-type insulator is clamped between the horizontal interface and the test cylinder. At this time, an adapter conductor is connected to the central conductor of the first pot-type insulator. The adapter conductor is a horizontally arranged conductor, and the other end thereof is electrically connected to the introduced conductor in the high-voltage bushing.

[0038] In other embodiments, when the insulators at both ends of the test cylinder are provided, they can be set as disc insulators.

[0039] In other embodiments, the pot-type insulator or the disc insulator may not be provided. At this time, the closed gas chamber is no longer provided.

[0040] In other embodiments, when setting the countersunk head parts of the first screw perforation and the second screw perforation, the orientations of the countersunk head parts of both can be the same. At this time, the countersunk head part of the second screw perforation is close to the high-voltage conductor or the ground conductor, and the second screw is inserted from the high-voltage conductor or the ground conductor during installation. Avoidance holes should be opened on the high-voltage conductor and the ground conductor to provide an operating space for the operating tool to screw the second screw.

[0041] In other embodiments, the first screw perforation may not be set as a countersunk hole and can be set as a perforation with a consistent aperture. At this time, a first screw with a semi-circular head should be used.

[0042] In other embodiments, when setting the position of the second screw perforation, the arrangement orientation of the second screw perforation may not be the same as that of the three groups of first screw perforations. That is, although the three groups of second screw perforations are respectively located on the three symmetry lines of the corresponding connection plate, they are located at positions close to the corresponding concave circular arcs.

[0043] In other embodiments, only one second screw perforation can be set and it is located at the center of the connection plate; in other embodiments, regardless of the number of second screw perforations, the second screw perforations can be set not in the central area of the connection plate but deviate from the central area.

[0044] In other embodiments, when setting the shape of the connection plate, the connection plate can be set as circular. At this time, the three groups of first screw perforations are evenly distributed on the connection plate; in other embodiments, the connection plate can also be set as a rounded triangle. At this time, the three groups of first screw perforations are respectively set at the three rounded corners of the rounded triangle, and at this time, the adjacent two rounded corners are connected by a plane transition.

[0045] In other embodiments, when setting the number of first screw perforations, the first screw perforations on the same connection plate can be set as two groups; in other embodiments, it can also be set as four groups, five groups or other numbers greater than five groups. At this time, the shape of the connection plate can be set as circular, and multiple groups of first screw perforations can be evenly distributed on the circular connection plate.

[0046] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still make modifications to the technical solutions recorded in the foregoing embodiments without creative labor, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An insulating post electrical test simulation device, characterized in that: It includes a horizontally placed test cylinder body. Inside the test cylinder body, there are horizontally placed a high-voltage conductor for connecting high-voltage electricity and a grounding conductor for grounding. The high-voltage conductor and the grounding conductor are arranged at intervals in the horizontal direction, and conductive connection plates are respectively fixed at the opposite ends of the two. The two connection plates are arranged parallel to each other at intervals in the horizontal direction, and an installation space for installing insulating supports is formed between them. Each connection plate is provided with a first screw through hole for a first screw to pass through and threadedly cooperate with an insert at the end of the insulating support. At least two groups of first screw through holes are respectively provided on the two connection plates for installing at least two insulating supports.

2. The electrical test simulation device for an insulating post according to claim 1, characterized in that: Three groups of first screw through holes are respectively arranged on the two connection plates. The three groups of first screw through holes on the same connection plate are arranged in a triangular shape, and the center distance between adjacent two groups of first screw through holes meets the requirement of being equal to the phase spacing of a three-phase circuit breaker.

3. The electrical test simulation device for the insulating post according to claim 2, wherein: Each connection plate includes three arc-shaped protrusions that are circumferentially distributed and located at the edge of the connection plate. The adjacent two arc-shaped protrusions are connected by a concave arc transition. The three groups of first screw through holes on the same connection plate are respectively arranged in the areas where the arc-shaped protrusions are located.

4. The insulating post electrical test simulation device according to claim 3, characterized in that: The high-voltage conductor and the grounding conductor are respectively fixedly connected to the corresponding connection plates through second screws. Second screw through holes for the second screws to pass through are respectively arranged in the central areas of the connection plates.

5. The insulating post electrical test simulation device according to claim 4, characterized in that: Three second screw through holes are respectively arranged on each connection plate, and the arrangement orientation of the three second screw through holes is the same as that of the three groups of first screw through holes.

6. The insulating post electrical test simulation device according to claim 4 or 5, characterized in that: Both the first screw through hole and the second screw through hole are countersunk holes, and the orientations of the countersunk parts are opposite.

7. The insulation post electrical test simulation device according to any one of claims 1-3, characterized in that: The first screw through hole is a countersunk hole.

8. The insulating post electrical test simulation device according to any one of claims 1-5, characterized in that: Pot-type insulators or disc-type insulators are respectively arranged at both ends of the test cylinder body. The pot-type insulators or disc-type insulators at both ends and the test cylinder body jointly enclose a closed gas chamber. An inflation interface communicated with the closed gas chamber is arranged on the side wall of the test cylinder body. The high-voltage conductor and the grounding conductor are respectively electrically connected to the central conductors on the pot-type insulators or disc-type insulators.

9. The insulating post electrical test simulation device according to claim 8, wherein: A transition cylinder body is arranged on the side of the test cylinder body close to the high-voltage conductor. The transition cylinder body has a horizontal interface facing the horizontal side and a top interface facing upward. A first pot-type insulator or a first disc-type insulator is clamped between the test cylinder body and the horizontal interface of the transition cylinder body. A high-voltage bushing is connected to the top interface of the transition cylinder body. An introducing conductor for connecting a high-voltage wire is arranged inside the high-voltage bushing. A transition conductor is arranged inside the transition cylinder body. The transition conductor includes a vertical section and a horizontal section. The vertical section is electrically connected to the introducing conductor, and the horizontal section is electrically connected to the first central conductor on the first pot-type insulator or the first disc-type insulator.

10. The electrical test simulation device for an insulating support according to claim 8, wherein: A grounding cylinder body is arranged on the side of the test cylinder body close to the grounding conductor. A second pot-type insulator or a second disc-type insulator is clamped between the test cylinder body and the grounding cylinder body. A grounding bus is arranged inside the grounding cylinder body. One end of the grounding bus is electrically connected to the second central conductor on the second pot-type insulator or the second disc-type insulator, and the other end of the grounding bus is conducted to the outer shell of the grounding cylinder body. The outer shell of the grounding cylinder body is integrally grounded.

Citation Information

Patent Citations

  • DC insulator insulation test device and DC insulator insulation test method

    CN106093723A