Connecting structure of different bus products

By optimizing the connection structure of busbar products and utilizing a combination of busbar flanges, busbar insulation basins, and conductor contacts, the problems of large footprint and high cost in existing technologies have been solved, achieving the effects of saving space and reducing assembly difficulty.

CN223828741UActive Publication Date: 2026-01-23SHANDONG TAIKAI HIGH VOLTAGE SWITCH
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Patent Information

Application Number
CN202520154189.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-01-23
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

Existing technologies, when connecting different GIS product busbars, require a large footprint, are costly, and are difficult to assemble, resulting in wasted space and increased manufacturing costs.

Method used

A connection structure is adopted, including a first busbar and a second busbar. The busbar conductors are connected by a combination of busbar flanges, busbar insulation basins and conductor contacts. The connection is optimized by using shielding rings, external threaded parts and set screws, and the use of transition busbar tubes is reduced.

Benefits of technology

It saves on the transition busbar cylinder, reduces equipment processing and assembly costs, reduces floor space, simplifies assembly difficulty, and is suitable for situations where the busbar shell diameter is not significantly different and the voltage level is the same.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223828741U_ABST
    Figure CN223828741U_ABST
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Abstract

The utility model relates to a connection structure of different bus products, comprising a first bus and a second bus, a first bus cylinder end portion of the first bus is fixedly connected with a bus flange, and a second bus cylinder end portion of the second bus is fixedly connected with a bus insulation basin connected with the bus flange. Three bus conductors of the second bus are fixedly connected to the bus insulation basin, a first conductor, a second conductor and a third conductor are fixedly connected to the three bus conductors respectively, and the first conductor, the second conductor and the third conductor are connected with three contact seats of the first bus respectively; the utility model is suitable for the conditions of same voltage class and small difference between the diameters of the bus shells, saves a transition bus cylinder, not only reduces the cost, but also saves the occupied area and the assembly difficulty, can make up the defects of the conventional different product butt joint scheme, has the advantages of small occupied area, and saved equipment processing cost and assembly cost, and is suitable for popularization and application. The method has great practical and economic significance.
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Description

Technical Field

[0001] This utility model relates to the field of GIS product technology, specifically to a connection structure for different busbar products. Background Technology

[0002] When connecting busbars of different GIS products, the conventional connection solution is to fabricate a transition busbar tube. The flanges on both sides of the busbar tube are respectively matched with the busbar flanges of the two GIS products, and the two product busbars are connected by conductors inside the transition busbar tube. For example, the patent application number 201320571881.3, "A connection device for sub-box and shared box GIS".

[0003] The solution of using a transition busbar and internal conductors to connect different GIS products is limited by the substation's floor space, resulting in a large footprint, wasted space, increased manufacturing costs, and assembly difficulty. Utility Model Content

[0004] This utility model addresses the shortcomings of existing technologies by providing a connection structure for different busbar products.

[0005] This utility model is achieved through the following technical solution, providing a connection structure for different busbar products, including a first busbar and a second busbar. A busbar flange is fixedly connected to the end of the first busbar drum of the first busbar, and a busbar insulating basin connected to the busbar flange is fixedly connected to the end of the second busbar drum of the second busbar. Three busbar conductors of the second busbar are fixedly connected to the busbar insulating basin. A first conductor, a second conductor, and a third conductor are respectively fixedly connected to the three busbar conductors. A first conductor contact is provided on the first conductor, and straight conductors are respectively fixedly connected to the second and third conductors. Straight conductor contacts are fixedly connected to the straight conductors. The first conductor contact and the two straight conductor contacts are respectively inserted into the three contact seats of the first busbar.

[0006] As an optimization, shielding rings are provided at the ends of the first conductor, the second conductor, and the third conductor that are closest to the busbar conductor.

[0007] As an optimization, both the second and third conductors have external threads at their ends away from the busbar conductor, and the external threads are threaded to one end of the straight conductor.

[0008] As an optimization, the straight conductor is fitted with a set screw that is fastened to the outer ring of the external thread.

[0009] As an optimization, the straight conductor contact is threaded to the end of the straight conductor.

[0010] As an optimization, the straight conductor is internally threaded with a screw plug, and the straight conductor contact is connected to the screw plug by a connecting screw.

[0011] As an optimization, the end of the straight conductor contact has a countersunk hole to accommodate the head of the connecting screw.

[0012] The beneficial effects of this utility model are as follows: The connection structure of different busbar products of this utility model is suitable for situations where the busbar shell diameters are not significantly different and the transition busbar tubes are eliminated. This not only reduces costs but also saves floor space and assembly difficulty. It can make up for the shortcomings of conventional different product docking schemes. It has the advantages of small floor space, saving equipment processing costs and assembly costs, and has great practical and economic significance. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the internal structure of this utility model;

[0014] Figure 2 This utility model Figure 1 A magnified view of a portion of the image;

[0015] Figure 3 This is a diagram showing the arrangement of the three contacts in the first busbar of this utility model;

[0016] Figure 4 This is a diagram showing the arrangement of the three busbar conductors in the second busbar of this utility model;

[0017] Figure 5 This is a schematic cross-sectional view of the first conductor of this utility model;

[0018] Figure 6 This is a schematic cross-sectional view of the second conductor of this utility model;

[0019] Figure 7 This is a schematic cross-sectional view of the third conductor of this utility model;

[0020] As shown in the figure:

[0021] 1. First busbar drum; 2. Second busbar drum; 3. First conductor; 4. Second conductor; 5. Third conductor; 6. Busbar insulation basin; 7. Contact seat; 8. Busbar conductor; 9. Busbar flange; 10. Shielding ring; 11. First conductor contact; 12. Straight conductor; 13. External threaded part; 14. Set screw; 15. Straight conductor contact; 16. Plug; 17. Connecting screw. Detailed Implementation

[0022] To clearly illustrate the technical features of this solution, the following detailed implementation method will be used to explain the solution.

[0023] like Figures 1-7As shown, the present invention discloses a connection structure for different busbar products, including a first busbar and a second busbar. The first busbar cylinder 1 of the first busbar and the second busbar cylinder 2 of the second busbar need to be connected. After connection, the three contacts 7 in the first busbar need to be connected to the three busbar conductors 8 in the second busbar respectively. The three contacts 7 of the first busbar are arranged as follows: Figure 3 As shown, the three busbar conductors 8 in the second busbar are arranged as follows: Figure 4 As shown, the purpose of this application is to achieve docking of the three contact seats 7 with the three bus conductors 8 at the same time.

[0024] A busbar flange 9 is fixedly connected to the end of the first busbar cylinder 1 of the first busbar. The busbar flange 9 is fixed to the outer ring of the end of the first busbar cylinder 1 and has a ring of bolt connection holes. A busbar insulation basin 6 connected to the busbar flange 9 is fixedly connected to the end of the second busbar cylinder 2 of the second busbar. The busbar insulation basin 6 is connected to the busbar flange 9 by a ring of bolts, thereby realizing the docking of the first busbar cylinder 1 and the second busbar cylinder 2.

[0025] The three busbar conductors 8 of the second busbar are fixed to the busbar insulation basin 6, and the three busbar conductors 8 need to be connected to the three contact seats 7 of the first busbar respectively.

[0026] The first conductor 3, the second conductor 4 and the third conductor 5 are respectively fixed to the three bus conductors 8. The first conductor 3 is a long strip with a curved shape and one end is connected to the bus conductor 8 by a bolt. The second conductor 4 is a long strip with a curved shape and one end is connected to the bus conductor 8 by a bolt. The third conductor 5 is a long strip with a curved shape and one end is connected to the bus conductor 8 by a bolt.

[0027] The first conductor 3, the second conductor 4 and the third conductor 5 are each provided with a shielding ring 10 at one end near the bus conductor 8.

[0028] like Figure 5 As shown, the first conductor 3 has a first conductor contact 11 at the end away from the bus conductor 8, and the first conductor contact 11 is inserted into one of the contact seats 7.

[0029] like Figure 6 , 7 As shown, straight conductors 12 are fixedly connected to the second conductor 4 and the third conductor 5, respectively. The straight conductors 12 are cylindrical tubes with different lengths. Both the second conductor 4 and the third conductor 5 have an external thread 13 at the end furthest from the busbar conductor 8. The external thread 13 is threaded to one end of the straight conductor 12. Furthermore, a set screw 14 is mounted on the straight conductor 12 and fastened to the outer ring of the external thread 13.

[0030] The other end of the straight conductor 12 is fixedly connected to a straight conductor contact 15, and the two straight conductor contacts 15 are respectively inserted into the two contact seats 7 of the first busbar. The straight conductor contacts 15 are threadedly connected to the end of the straight conductor 12.

[0031] The straight conductor 12 is internally threaded with a plug 16, and the straight conductor contact 15 is connected to the plug 16 via a connecting screw 17. The end of the straight conductor contact 15 has a countersunk hole to accommodate the head of the connecting screw 17.

[0032] Of course, the above description is not limited to the examples above. Technical features not described in this utility model can be implemented by or using existing technology, and will not be repeated here. The above embodiments and drawings are only used to illustrate the technical solution of this utility model and are not intended to limit this utility model. This utility model has been described in detail with reference to preferred embodiments. Those skilled in the art should understand that any changes, modifications, additions or substitutions made by those skilled in the art within the scope of this utility model do not depart from the spirit of this utility model and should also fall within the protection scope of the claims of this utility model.

Claims

1. A connection structure for different busbar products, comprising a first busbar and a second busbar, characterized in that: The first busbar drum (1) of the first busbar is fixedly connected to a busbar flange (9) at its end. The second busbar drum (2) of the second busbar is fixedly connected to a busbar insulating basin (6) connected to the busbar flange (9) at its end. The three busbar conductors (8) of the second busbar are fixedly connected to the busbar insulating basin (6). The first conductor (3), the second conductor (4) and the third conductor (5) are fixedly connected to the three busbar conductors (8) respectively. The first conductor (3) is provided with a first conductor contact (11). The second conductor (4) and the third conductor (5) are fixedly connected to straight conductors (12) respectively. The straight conductor (12) is fixedly connected to a straight conductor contact (15). The first conductor contact (11) and the two straight conductor contacts (15) are respectively inserted into the three contact seats (7) of the first busbar.

2. The connection structure of different busbar products according to claim 1, characterized in that: The first conductor (3), the second conductor (4) and the third conductor (5) are all provided with a shielding ring (10) at one end near the bus conductor (8).

3. The connection structure of different busbar products according to claim 1, characterized in that: The second conductor (4) and the third conductor (5) are both provided with an external thread (13) at the end away from the bus conductor (8), and the external thread (13) is threaded to one end of the straight conductor (12).

4. The connection structure of different busbar products according to claim 3, characterized in that: The straight conductor (12) is fitted with a set screw (14) that is fastened to the outer ring of the external thread (13).

5. The connection structure of different busbar products according to claim 1, characterized in that: The straight conductor contact (15) is threaded to the end of the straight conductor (12).

6. The connection structure of different busbar products according to claim 5, characterized in that: The straight conductor (12) is internally threaded with a screw plug (16), and the straight conductor contact (15) is connected to the screw plug (16) by a connecting screw (17).

7. The connection structure of different busbar products according to claim 6, characterized in that: The end of the straight conductor contact (15) has a countersunk hole for accommodating the screw head of the connecting screw (17).

Citation Information

Patent Citations

  • Connecting device of split cabinet-type gas insulated switchgear (GIS) and shared box-type gas insulated switchgear (GIS)

    CN203445506U