Bus connector for GIS switch cabinet

Abstract

The utility model discloses a bus connector used for a GIS switch cabinet, comprising conductors arranged in a cross shape, the conductors comprise a first conductor, a second conductor, a third conductor and a fourth conductor, the first conductor and the third conductor are distributed oppositely, the second conductor and the fourth conductor are distributed oppositely, and the first conductor and the second conductor are distributed oppositely. A screw rod is connected between the first electric conductor and the third electric conductor and between the second electric conductor and the fourth electric conductor, limiting rings are formed on the screw rods, and springs are arranged between the limiting rings and the first electric conductor and between the limiting rings and the second electric conductor. The limiting ring is formed on the screw rod, the spring is arranged between the limiting ring and the electric conductor, the electric conductor is expanded by utilizing the movement of the screw rod, controlling the position of the spring and utilizing the elastic force of the spring, so that the boss on the outer surface of the bus connector is tightly contacted with the inner side of the bus for a long time without loosening, and the stable conductive performance between the boss and the bus is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinet busbars, in particular to a busbar connector used for a GIS switch cabinet. Background Art

[0002] When GIS switch cabinets are assembled, the side assembly method is often used. The busbar sockets on the sides of the busbar chambers of two GIS switch cabinets are connected with busbar connectors. When two switch cabinets are assembled, the two cabinets are spliced ​​together with bolts. Since the arrangement of the bolt openings has a certain tolerance, the fit of the splicing surfaces of the two cabinets is not very good, which will make it difficult to align the busbar connector and the busbar. When the relative position of the two cabinets is in error, the reliability of the busbar connector will be reduced, and the flow capacity will also be reduced, resulting in poor temperature rise.

[0003] When a GIS switch cabinet fails, the cabinets on both sides of the faulty switch cabinet need to be moved to both sides before the faulty switch cabinet can be replaced. This makes the disassembly and assembly of the busbar connector complicated and time-consuming, and the on-site operation is not convenient. In addition, there is also a busbar connector cabinet top splicing method, in which the busbar connector is installed on the top of the busbar room of the GIS switch cabinet. When the switch cabinet fails, the top busbar connector needs to be removed as a whole before the faulty switch cabinet can be removed for replacement, which makes the entire disassembly and assembly process very troublesome, and the safety of operation on the cabinet top is relatively low. Utility Model Content

[0004] The utility model aims to provide a busbar connector for a GIS switch cabinet, by forming a limit ring on a screw rod, arranging a spring between the limit ring and the conductor, utilizing the movement of the screw rod to control the position of the spring, utilizing the elastic force of the spring to support the conductor, ensuring that the boss on the outer surface of the busbar connector and the inner side of the busbar are in close contact for a long time without loosening, thereby ensuring stable conductive performance between the two.

[0005] The utility model provides the following technical solution: a busbar connector for a GIS switch cabinet, comprising conductors arranged in a cross, the conductors comprising a first conductor, a second conductor, a third conductor and a fourth conductor, the first conductor and the third conductor are relatively distributed, the second conductor and the fourth conductor are relatively distributed, a screw is connected between the first conductor and the third conductor and between the second conductor and the fourth conductor, a limiting ring is formed on the screw, and a spring is arranged between the limiting ring and the first conductor and between the limiting ring and the second conductor.

[0006] In order to improve the installation efficiency of the busbar and the busbar connector, the outer surface of the conductor is an arc surface, and the busbar is sleeved on the outer surface of the conductor.

[0007] In order to enhance the friction between the busbar and the busbar connector, protrusions are formed on the outer surfaces of the first conductor, the second conductor, the third conductor and the fourth conductor.

[0008] In order to enable the rotation of the screw to drive the spring to move, the limiting ring is a thin cylindrical shape formed on the screw, and the limiting ring is located in the middle of the screw.

[0009] In one embodiment, through holes are formed on the first conductor and the second conductor, threaded holes are formed on the third conductor and the fourth conductor, and screws are installed in the threaded holes.

[0010] In another embodiment, through holes are provided on the first conductor and the second conductor, threaded sleeves are installed on the third conductor and the fourth conductor, and the screws are installed in the threaded sleeves.

[0011] In order to prevent the threaded sleeve from slipping out, a step is formed on the upper end of the threaded sleeve, and the step is located on the inner wall of the conductor. The third conductor and the fourth conductor are provided with mounting holes for mounting the threaded sleeve, and the diameter of the mounting hole is smaller than the step.

[0012] In order to make the spring bear force evenly, a platform for installing the spring is provided on the inner side surfaces of the first conductor and the second conductor.

[0013] In order to locate the installation position of the busbar connector so that the busbar connector is located between adjacent cabinets, limiting protrusions are respectively connected to the surfaces of the first conductor and the second conductor, and the limiting protrusions are used to locate the installation position of the busbar connector.

[0014] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0015] (1) By forming a limit ring on the screw, setting a spring between the limit ring and the conductor, and controlling the position of the spring by moving the screw, the conductor is supported by the elastic force of the spring, the overall size of the conductor is increased, and the connection strength between the conductor and the busbar is further enhanced, ensuring that the boss on the outer surface of the busbar connector and the inner side of the busbar are in close contact for a long time without loosening, thereby ensuring the stable conductive performance between the two;

[0016] (2) The busbar is sleeved on the conductor to facilitate installation of the busbar. At the same time, a certain error is allowed during installation, so that the cabinet can be installed normally without perfect alignment;

[0017] (3) At the same time, the connection between the busbar connector and the busbar can facilitate maintenance and improve maintenance efficiency. During maintenance, the busbar connection device can be directly removed and the faulty switch cabinet can be replaced to complete the maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a structural schematic diagram of a busbar connector according to the first embodiment of the utility model;

[0020] Figure 2 It is a structural schematic diagram of a busbar connector of Embodiment 2 of the present utility model;

[0021] Figure 3 It is a cross-sectional schematic diagram of the busbar connector of the utility model;

[0022] Figure 4 This is a schematic diagram of the installation of the busbar connector and the busbars on both sides of the utility model;

[0023] Figure 5 It is a schematic diagram of maintenance under the condition of failure of the switch cabinet of the busbar connection device of the utility model;

[0024] In the figure: 11, first conductor; 12, second conductor; 13, third conductor; 14, fourth conductor; 15, protrusion; 16, limiting protrusion; 17, screw; 18, limiting ring; 19, spring; 110, threaded sleeve; 111, step; 112, threaded hole; 31, busbar; 32, busbar connector; 33, insulating cover; 34, fault cabinet. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1

[0027] See also Figure 1 and 3As shown, the utility model provides a technical solution: a busbar connector for a GIS switch cabinet, comprising a conductor arranged in a cross, the conductor comprising a first conductor 11, a second conductor 12, a third conductor 13 and a fourth conductor 14, the first conductor 11 and the third conductor 13 are relatively distributed, the second conductor 12 and the fourth conductor 14 are relatively distributed, a screw 17 is connected between the first conductor 11 and the third conductor 13 and between the second conductor 12 and the fourth conductor 14, a limiting ring 18 is formed on the screw 17, a spring 19 is arranged between the limiting ring 18 and the first conductor 11 and between the limiting ring 18 and the second conductor 12, By rotating the screw 17, the distance between the limit ring 18 and the first conductor 11 or the second conductor 12 is adjusted, and the spring 19 is set between the limit ring 18 and the first conductor 11 or between the limit ring 18 and the second conductor 12. Under the elastic force of the spring 19, the first conductor 11 or the second conductor 12 will be supported, so that the first conductor 11 and the second conductor 12 can be expanded and tightened with the busbar sleeved on the outside of the busbar connector to ensure close contact between the busbar connector and the busbar. At the same time, the busbar installation can be completed by only sleeved on the busbar connector. The installation is convenient and can allow errors when assembling switch cabinets.

[0028] like Figure 4 As shown, the outer surface of the conductor is an arc surface, and a circular hole is also opened on the end surface of the busbar 31. The busbar 31 is sleeved on the outer surface of the conductor, which improves the installation efficiency of the busbar 31 and the busbar connector 32.

[0029] The first conductor 11 , the second conductor 12 , the third conductor 13 and the fourth conductor 14 are all formed with protrusions 15 on their outer surfaces. The protrusions 15 enhance the connection strength between the busbar 31 and the busbar connector 32 and reduce the possibility of the busbar 31 slipping off.

[0030] The limiting ring 18 is a thin cylindrical shape formed on the screw 17. The limiting ring 18 is located in the middle of the screw 17. The limiting ring 18 can support the spring 19. The position of the limiting ring 18 is controlled by moving the screw 17, and the convexity of the first conductor 11 or the second conductor 12 is further controlled, thereby controlling the connection strength between the busbar connector 32 and the busbar 31.

[0031] Through holes are provided on the first conductor 11 and the second conductor 12, and threaded holes 112 are provided on the third conductor 13 and the fourth conductor 14. The screw 17 is installed in the threaded hole 112. Through the connection between the screw 17 and the threaded hole 112, the extension length of the screw 17 in the busbar connector 32 is adjusted, and the position of the limit ring 18 is further adjusted.

[0032] A platform for mounting the spring 19 is provided on the inner side surfaces of the first conductor 11 and the second conductor 12 , so that the spring 19 can be in uniform contact with the first conductor 11 or the second conductor 12 , and further the force on the spring 19 is uniform.

[0033] Limiting protrusions 16 are respectively connected to the surfaces of the first conductor 11 and the second conductor 12. There are two axial installation positions of the limiting protrusions 16. The limiting protrusions 16 are used to locate the installation position of the busbar connector 32. The distance between the limiting protrusions 16 and different cabinets is used to determine whether the busbar connector 32 is located between the two cabinets.

[0034] Embodiment 2

[0035] like Figure 2 As shown, in this embodiment, other structures are the same as those in the first embodiment, except that through holes are provided on the first conductor 11 and the second conductor 12, threaded sleeves 110 are installed on the third conductor 13 and the fourth conductor 14, and the screw 17 passes through the through holes and is installed in the threaded sleeve 110.

[0036] A step 111 is formed at the upper end of the threaded sleeve 110, and the step 111 is located on the inner wall of the conductor. The third conductor 13 and the fourth conductor 14 are provided with mounting holes for mounting the threaded sleeve 110, and the size of the mounting holes is smaller than the step 111. The step 111 can prevent the threaded sleeve 110 from sliding out to the outside of the conductor.

[0037] Installation process of the busbar connector: During installation, first tighten the screw 17 and move the spring 19 to the middle of the two opposite conductors. At this time, the overall size of the conductor is the smallest. Then, sleeve the busbar 31 on both ends of the busbar connector 32. Then, move the two GIS switch cabinets to the cabinet assembly position, install and compress the insulating cover 33, move the busbar connector 32 to the middle position of the two cabinets, tighten the four screws 17 in turn, use the elastic force of the spring 19 to squeeze the conductor outward, increase the overall size of the conductor, expand the busbar 31, and rely on the limiting protrusion 16 to limit the position of the busbar connector 32 in the two cabinets to ensure that it is installed in place. Then fix the two ends of the insulating cover 33 in turn to complete the cabinet assembly.

[0038] like Figure 5 As shown, the maintenance process is: during maintenance, first remove the fixing screws of the insulating cover 33, push the insulating cover 33 aside, tighten the two screws 17 on one side of the busbar connector 32, reduce the size of the busbar connector 32, then push the insulating cover 33 on the other side of the cabinet aside, tighten the two screws 17 of the busbar connector 32 on this side, insert the two busbar connectors 32 into the busbar cylindrical holes of the fault cabinet 34, and finally open the fault cabinet 34 to remove the busbar connector 32 from the cabinet.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A busbar connector for a GIS switch cabinet, characterized in that: It includes conductors arranged in a cross shape, and the conductors include a first conductor, a second conductor, a third conductor and a fourth conductor. The first conductor and the third conductor are relatively distributed, and the second conductor and the fourth conductor are relatively distributed. Screws are connected between the first conductor and the third conductor and between the second conductor and the fourth conductor. A limiting ring is formed on the screw, and a spring is arranged between the limiting ring and the first conductor and between the limiting ring and the second conductor.

2. A busbar connector for a GIS switch cabinet according to claim 1, characterized in that: The outer surface of the conductor is an arc surface, and the busbar is sleeved on the outer surface of the conductor.

3. A busbar connector for a GIS switch cabinet according to claim 2, characterized in that: Protrusions are formed on the outer surfaces of the first conductor, the second conductor, the third conductor and the fourth conductor.

4. A busbar connector for a GIS switch cabinet according to claim 1, characterized in that: The limiting ring is a thin cylindrical shape formed on the screw rod, and the limiting ring is located in the middle of the screw rod.

5. A busbar connector for a GIS switch cabinet according to claim 1, characterized in that: The first conductor and the second conductor are provided with through holes, the third conductor and the fourth conductor are provided with threaded holes, and the screws are installed in the threaded holes.

6. A busbar connector for a GIS switch cabinet according to claim 1, characterized in that: The first conductor and the second conductor are provided with through holes, the third conductor and the fourth conductor are provided with threaded sleeves, and the screws are provided in the threaded sleeves.

7. A busbar connector for a GIS switch cabinet according to claim 6, characterized in that: The upper end of the threaded sleeve is formed with a step, and the step is located on the inner wall of the conductor. The third conductor and the fourth conductor are provided with mounting holes for mounting the threaded sleeve, and the diameter of the mounting hole is smaller than the step.

8. A busbar connector for a GIS switch cabinet according to claim 1, characterized in that: The inner side surfaces of the first conductor and the second conductor are provided with platforms for mounting springs.

9. A busbar connector for a GIS switch cabinet according to claim 1, characterized in that: Limiting protrusions are respectively connected to the surfaces of the first conductor and the second conductor, and the limiting protrusions are used to locate the installation position of the busbar connector.

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