Test tool for simulating internal compartment of switch equipment

Abstract

The invention relates to the technical field of 40.5 kV switch equipment tests, in particular to a test tool for simulating an internal compartment of switch equipment, which comprises a bus structure, the insulating assembly is used for fixedly installing the bus; the frame assembly can automatically adjust the distance from the bus to the top plate when the frame assembly is in lap joint with the bottom plate; the distances from the bus to the top plate, the left wall and the right wall in the tool can be adjusted, so that the insulation performance of buses of different specifications and matched fasteners under different insulation distances can be verified; and the buses of different specifications can be replaced only by dismounting the connecting bolts of the insulation structure, so that the operation is very convenient, and the efficiency of insulation tests of different schemes is improved.

Description

Technical Field

[0001] The invention relates to the technical field of 40.5kV switchgear testing, and in particular to a testing tool for simulating an internal compartment of a switchgear. Background Art

[0002] As an indispensable part of the domestic and foreign power grids, the insulation performance of 40.5kV switchgear is related to whether the entire distribution network can work normally and stably. Therefore, it is particularly critical to ensure the insulation performance of the equipment under the design scheme of busbars and fasteners of different specifications.

[0003] 40.5kV switchgear is large in size, has many parts and a complex structure. When disassembling and assembling a certain part, it is usually necessary to disassemble and install many parts with matching structures, which is time-consuming and labor-intensive. However, when conducting a preliminary test on the insulation performance of the product, there are usually multiple plans for comparison, so testing the entire cabinet will take a lot of time and sometimes cannot meet the requirements of relevant research time nodes. Summary of the invention

[0004] In view of the problems existing in the above-mentioned existing test tooling for simulating the internal compartment of a switch device, the present invention is proposed.

[0005] Therefore, an object of the present invention is to provide a test fixture for simulating the internal compartment of a switchgear.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a busbar structure; an insulating component for fixing and installing the busbar; and a frame component, so as to realize the autonomous adjustment of the distance from the busbar to the top plate when overlapping with the bottom plate.

[0007] As a preferred solution of the test tooling for simulating the internal compartment of the switch device described in the present invention, the busbar structure includes a first busbar, a second busbar arranged on one side of the first busbar, a first connecting hole arranged at one end of the first busbar, a second connecting hole arranged at one end of the second busbar, and a fastener arranged between the first connecting hole and the second connecting hole.

[0008] As a preferred solution of the test fixture for simulating the internal compartment of the switch device described in the present invention, the specification of the first busbar adopts 60×12 full-circle edges, and the specification of the second busbar adopts 80×10 full-circle edges.

[0009] As a preferred solution of the test tooling for simulating the internal compartment of the switch device described in the present invention, the first busbar is provided with a first wiring hole, the second busbar is provided with a second wiring hole, one end of the first busbar is provided with a first mounting hole, and the other end of the second busbar is provided with a second mounting hole.

[0010] As a preferred solution of the test fixture for simulating the internal compartment of the switch device described in the present invention, the insulating component includes an insulator, an insulator bracket arranged below the insulator, and a mounting hole arranged above the insulator bracket.

[0011] As a preferred solution of the test fixture for simulating the internal compartment of the switch device of the present invention, the frame assembly includes a bottom plate and a top plate arranged above the bottom plate.

[0012] As a preferred solution of the test fixture for simulating the internal compartment of the switch device of the present invention, the bottom of the bottom plate is provided with scale lines, and the scale lines are provided with 10 lines, each 5 lines form a group, and are symmetrical. The distance between the nearest scale line and the side plate is 260mm, and the remaining 4 lines increase at intervals of 20mm. The left and right walls of the bottom plate each have a φ13 bottom plate connection hole for connecting with the top plate.

[0013] As a preferred solution for the test tooling of the internal compartment of the simulated switch device described in the present invention, a group of top plate connecting holes are respectively opened on the left side wall and the right side wall of the top plate, and each group of connecting holes is divided into 3 columns, with 9 13×17 waist round holes with an interval of 30mm in each column.

[0014] As a preferred solution of the test fixture for simulating the internal compartment of the switch device described in the present invention, the top plate and the bottom plate are both formed by three bends of AZ150 aluminum-zinc-coated plate.

[0015] As a preferred solution of the test fixture for simulating the internal compartment of the switch device described in the present invention, the fasteners can be selected in different specifications to verify the insulation performance at different insulation distances.

[0016] The beneficial effects of the present invention are as follows: the distances from the busbar inside the tooling to the top plate and the left and right walls can be adjusted, so the insulation performance of busbars of different specifications and matching fasteners at different insulation distances can be verified; and replacing busbars of different specifications only requires removing the connecting bolts with the insulation structure, which is very convenient to operate and improves the efficiency of performing insulation tests of different schemes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0018] Figure 1 It is a structural schematic diagram of a simulated 40.5kV switchgear compartment test tooling of the present invention;

[0019] Figure 2 It is a structural schematic diagram of the aluminum-zinc plate frame structure of the present invention;

[0020] Figure 3 It is a structural schematic diagram of the bottom plate in the aluminum-zinc plate frame of the present invention;

[0021] Figure 4 It is a schematic structural diagram of the top plate in the aluminum-zinc plate frame of the present invention;

[0022] Figure 5 It is a structural schematic diagram of the busbar structure of the present invention;

[0023] Figure 6 is a structural schematic diagram of the insulation structure of the present invention;

[0024] Figure 7 It is a structural schematic diagram of an insulator support in the insulation structure of the present invention. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0028] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0029] Example 1

[0030] Reference Figure 1-3 , provides a test fixture for simulating the internal compartment of a switchgear, including a busbar structure 100; an insulating assembly 200 for fixing and installing the busbar; and a frame assembly 300, so as to achieve autonomous adjustment of the distance from the busbar to the top plate 302 when overlapping with the bottom plate 301.

[0031] Specifically, the busbar structure 100 includes a first busbar 101, a second busbar 102 arranged on one side of the first busbar 101, a first connecting hole 103 arranged at one end of the first busbar 101, a second connecting hole 104 arranged at one end of the second busbar 102, and a fastener 105 arranged between the first connecting hole 103 and the second connecting hole 104.

[0032] Furthermore, the busbar structure 100 is formed by bolting the first busbar 101 and the second busbar 102 through the first busbar 101 connecting hole 301b and the second busbar 102 connecting hole 301b using fasteners 105. The busbar 1 has a specification of 60×12 full circular edge, and the busbar 2 has a specification of 80×10 full circular edge, both of which are commonly used sizes in 40.5kV switchgear. Both busbars have a first wiring hole 101a and a second wiring hole 102a with a φ20 circular hole for connecting high-voltage lines, a first mounting hole 101b and a second mounting hole 102b with a φ14 circular hole for connecting the insulation structure, and four first wiring holes 101a and second wiring holes 102a with φ14 circular holes for mutual connection. Fasteners 105 can be selected with different specifications to verify the insulation performance at different insulation distances.

[0033] The frame assembly includes a bottom plate 301 and a top plate 302 arranged above the bottom plate 301. A group of top plate connecting holes 301b are respectively opened on the left side wall and the right side wall of the top plate 302. Each group of connecting holes 301b is divided into 3 rows, and each row has 9 13×17 oval holes with an interval of 30mm, so that the distance from the busbar to the top plate 302 can be adjusted independently when overlapping with the bottom plate 301; the left side wall and the right side wall of the bottom plate 301 each have a φ13 bottom plate connecting hole 301b for connecting with the top plate 302. The top plate 302 and the bottom plate 301 are both formed by folding three AZ150 aluminum-zinc-coated plates.

[0034] Example 2

[0035] Reference Figure 1-5 This embodiment is different from the first embodiment in that: scale lines 301a are provided at the bottom of the bottom plate 301, and there are 10 scale lines 301a, each 5 of which are symmetrical on the left and right. The distance from the nearest scale line 301a to the side plate is 260mm, and the remaining 4 scale lines are increased at intervals of 20mm. The movable insulating structure aligns the edge of the bracket 202 with the scale lines 301a to adjust the distance from the busbar to the left and right side plates. Three φ14 openings are provided on each of the left and right side plates for fixing the top plate 302.

[0036] The rest of the structure is the same as that of Example 1.

[0037] Example 3

[0038] Reference Figure 1-7This embodiment is different from the above embodiments in that the insulating component includes an insulator 201 , an insulator bracket 202 arranged below the insulator 201 , and a mounting hole arranged above the insulator bracket 202 .

[0039] The insulating structure is formed by bolting an insulator 201 and an insulator bracket 202. The insulator 201 is made of epoxy resin, and the insulator bracket 202 is made of galvanized aluminum plate. The lower part of the insulator 201 is bolted to the upper part of the bracket 202. The upper opening is used to fix the busbar. The lower part of the insulator bracket 202 is placed on the frame bottom plate 301.

[0040] It can be moved freely. The insulator bracket 202 shown is made of 2 aluminum-zinc-coated plates AZ150 with 8 bends. A φ20 round hole is opened on the top and is connected to the insulator 201 using an M16 stud.

[0041] The rest of the structure is the same as that of Example 2.

[0042] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other replacements, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the invention is not limited to a specific embodiment, but extends to numerous modifications still falling within the scope of the appended claims.

[0043] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0044] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0045] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A test fixture for simulating the internal compartment of a switchgear, characterized in that: include Busbar structure (100); An insulating assembly (200) is used for fixing and installing a busbar; The frame assembly (300) can autonomously adjust the distance between the busbar and the top plate (302) when overlapping with the bottom plate (301).

2. The test fixture for simulating the internal compartment of a switchgear according to claim 1, characterized in that: The busbar structure (100) comprises a first busbar (101), a second busbar (102) arranged on one side of the first busbar (101), a first connection hole (103) arranged at one end of the first busbar (101), a second connection hole (104) arranged at one end of the second busbar (102), and a fastener (105) arranged between the first connection hole (103) and the second connection hole (104).

3. The test fixture for simulating the internal compartment of a switchgear as claimed in claim 2, characterized in that: The specification of the first busbar (101) is 60×12 full-circle edge, and the specification of the second busbar (102) is 80×10 full-circle edge.

4. The test fixture for simulating the internal compartment of a switchgear as claimed in claim 3, characterized in that: The first busbar (101) is provided with a first wiring hole (101a), the second busbar (102) is provided with a second wiring hole (102a), one end of the first busbar (101) is provided with a first mounting hole (101b), and the other end of the second busbar (102) is provided with a second mounting hole (102b).

5. The test fixture for simulating the internal compartment of a switchgear as claimed in claim 4, characterized in that: The insulating assembly (200) comprises an insulator (201), an insulator support (202) arranged below the insulator (201), and a circular mounting hole (203) arranged above the insulator support (202).

6. The test fixture for simulating the internal compartment of a switchgear according to claim 5, characterized in that: The frame assembly (300) comprises a bottom plate (301) and a top plate (302) arranged above the bottom plate (301).

7. The test fixture for simulating the internal compartment of a switchgear according to claim 6, characterized in that: The bottom of the bottom plate (301) is provided with scale lines (301a), and there are 10 scale lines (301a), each 5 in a group, symmetrical on the left and right, the nearest scale line (301a) is 260mm away from the side plate, and the remaining 4 scale lines are increased at intervals of 20mm, and the left side wall and the right side wall of the bottom plate (301) are each provided with a φ13 bottom plate connecting hole (301b) for connecting with the top plate (302).

8. The test fixture for simulating the internal compartment of a switchgear as claimed in claim 7, characterized in that: A group of top plate connection holes (302a) are respectively opened on the left side wall and the right side wall of the top plate (302), and each group of the top plate connection holes (302a) is divided into three rows, with nine 13×17 round holes in each row with a spacing of 30 mm.

9. The test fixture for simulating the internal compartment of a switchgear according to claim 8, characterized in that: The top plate (302) and the bottom plate (301) are both formed by folding three times the aluminum zinc plate AZ150.

10. The test fixture for simulating the internal compartment of a switchgear according to claim 9, characterized in that: The fastener (105) can be selected in different specifications to verify the insulation performance at different insulation distances.

Images