GIS anti-erosion bus connecting piece

Abstract

A GIS anti-erosion bus connecting piece provided by the utility model comprises a housing, a top cover, a conductor, an insulator and a pressure device, the top and the bottom of the housing are provided with heat radiation structures, the housing is internally provided with a first installation groove, the side surface of the housing is provided with a first dovetail and a first dovetail groove, the side surface of the housing is also provided with an insulation tube, and the insulation tube is provided with a second dovetail groove. The top cover is arranged at the top and the bottom of the shell, the conductor is fixed on the insulator, the insulator comprises a left insulator and a right insulator, the left insulator is arranged in the first mounting groove, the right insulator is arranged in the shell, the pressure device is a plurality of groups of elastic springs, and the elastic springs are arranged in the shell. The first mounting grooves are respectively arranged in the first mounting grooves. The bus connecting piece is composed of a plurality of standardized structures, the semi-closed shell can prevent the interior from being eroded, the heat dissipation fins are used for conducting heat dissipation on the conductor and the bus, and the service life of the connecting piece is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electrical equipment especially relates to a GIS anti -erosion bus connecting piece. BACKGROUND

[0002] With the rapid development of modern industry and the sustained growth of social demand for electricity, the scale of power system is expanding, voltage grade is gradually improved, and the capacity and distance of power transmission are increasing. As the key component of power system for collecting, distributing and transmitting electric energy, the reliability and stability of bus connection directly affect the safe and efficient operation of the whole power system. Bus connecting piece bears the important mission of realizing electrical connection between buses and ensuring smooth transmission of electric energy. In power plants, substations, industrial plants and large data centers and other types of power facilities, bus connecting piece is widely used in bus connection scenes of different voltage levels and current capacity, and is an indispensable basic element for building complex power network. However, the traditional bus connecting piece has the following disadvantages:

[0003] 1. The traditional bus connecting piece is easy to be corroded in harsh environment (such as high humidity, existence of corrosive gas, etc.), which leads to the deterioration of the contact surface and affects the performance and service life of the connecting piece.

[0004] 2. The heat dissipation mode of the traditional bus connecting piece is relatively single, mainly relying on natural convection and simple fin structure for heat dissipation. When high current runs, this heat dissipation mode is difficult to meet the heat dissipation demand of the bus connecting piece, which is easy to cause the temperature of the connecting part to rise sharply. SUMMARY

[0005] The utility model aims at solving the above-mentioned problem, and provides a GIS anti -erosion bus connecting piece.

[0006] In order to achieve the above-mentioned purpose, the following technical scheme is adopted:

[0007] A kind of GIS anti -erosion bus connecting piece, including shell, top cover, conductor, insulator and pressure device, the top and bottom of the shell are equipped with heat dissipation structure, the inside of the shell is equipped with first installation groove, the side of the shell is equipped with first dovetail and first dovetail groove, the side of the shell is also equipped with insulating tube, the top cover is installed in the top and bottom of the shell, the conductor is fixed on the insulator, the insulator includes left insulator and right insulator, the left insulator is installed in the first installation groove, the right insulator is installed in the inside of the shell, the pressure device is a plurality of sets of elastic spring, respectively set in the first installation groove.

[0008] Preferably, the shell adopts a semi-closed shell, the busbar sockets are mutually penetrated, the shell top is provided with a first groove, and a heat dissipation structure is arranged in the first groove.

[0009] Further, a groove is left between the inner side of the heat dissipation fin and the shell, the groove is adjacent to the conductor, the groove is filled with heat dissipation silica gel, and the heat conduction and heat dissipation efficiency is further improved.

[0010] Preferably, the first mounting groove is located on one side of the shell, the depth of the first mounting groove is not less than the thickness of the insulator, enough space is ensured in the first mounting groove for displacement of the insulator, and the busbar can be inserted into the connecting piece.

[0011] Preferably, the first dovetail is provided with a fixing groove, and a protrusion is arranged in the first dovetail groove.

[0012] Further, a plurality of connecting pieces are spliced through the dovetail structure, and the stability of the dovetail structure is further improved by adding the protrusion and the fixing groove in the dovetail structure, so that the connecting piece is prevented from loosening.

[0013] Preferably, the insulator is provided with a second mounting groove, the conductor is arranged in the second mounting groove, and the side surfaces of the left insulator and the right insulator are inclined surfaces.

[0014] Preferably, the side surfaces of the shell, the left insulator and the conductor are provided with a through second groove, the second groove is matched with the insulating tube, and the insulating tube can prevent the busbars at two ends from being directly connected and causing an electrical accident.

[0015] The surfaces of the shell, the top cover, the conductor, the insulator, the pressure device and the heat dissipation structure are provided with a coating, the coating adopts a nano ceramic protective coating, and the coating is respectively coated on the surfaces of the shell, the top cover, the conductor, the insulator, the pressure device and the heat dissipation structure.

[0016] Compared with the prior art, the connecting piece adopts a semi-closed shell and a top cover, water and corrosive gas can be prevented from directly eroding the busbar connecting piece to a certain extent, the surface of the connecting piece is further coated with a corrosion-resistant coating, the anti-erosion ability of the connecting piece is further strengthened, the maintenance cost and difficulty are reduced due to the combined design, the service life of the busbar connecting piece is improved, the heat dissipation fin is adopted for heat dissipation, the heat exchange efficiency is improved by increasing the heat dissipation area, and the risk of electrical failure caused by overheating is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of a GIS anti-erosion bus connecting piece of the utility model embodiment 1;

[0018] Figure 2 It is a connecting piece schematic view of a GIS anti-erosion bus connecting piece of the utility model embodiment 1;

[0019] Figure 3 It is a shell schematic view of a GIS anti-erosion bus connecting piece of the utility model embodiment 1;

[0020] Figure 4 It is a sectional view schematic view of a GIS anti-erosion bus connecting piece of the utility model embodiment 1;

[0021] Figure 5 It is an insulator schematic view of a GIS anti-erosion bus connecting piece of the utility model embodiment 1;

[0022] Figure 6 It is a coating schematic view of a GIS anti-erosion bus connecting piece of the utility model embodiment 1; Specific implementation

[0023] Below, referring to the drawings, the utility model a kind of GIS anti-erosion bus connecting piece is specifically explained.

[0024] As Figure 1 And Figure 2 Indicated, a kind of GIS anti-erosion bus connecting piece, including shell 1, top cover 2, conductor 3, insulator 4 and pressure device 5, the top and bottom of shell 1 are equipped with heat dissipation structure 6, the inside of shell 1 is equipped with first installation groove 11, shell 1 side is equipped with first dovetail 12 and first dovetail groove 13, the side of shell 1 is also equipped with insulating tube 7, top cover 2 is installed in the top and bottom of shell 1, conductor 3 is fixed on insulator 4, insulator 4 includes left insulator 41 and right insulator 42, left insulator 41 is installed in first installation groove 11, right insulator 42 is installed in the inside of shell 1, pressure device 5 is a number of groups of elastic spring, is arranged in first installation groove 11 respectively.

[0025] As Figure 3 Indicated, shell 1 adopts semi-closed shell, busbar socket is mutually penetrated, the top of shell 1 is equipped with first recess 14, first recess 14 is equipped with heat dissipation structure 6, heat dissipation structure 6 adopts heat dissipation fin, first dovetail 12 is equipped with fixed groove 121, first dovetail groove 13 is equipped with protrusion 131, fixed groove 121 and protrusion 131 are matched.

[0026] As Figure 4 And Figure 5As shown, the first mounting groove 11 is located on one side inside the outer casing 1. The depth of the first mounting groove 11 is not less than the thickness of the left insulator 41. The insulator 4 is provided with a second mounting groove 43. The conductor 3 is installed in the second mounting groove 43. The sides of the left insulator 41 and the right insulator 42 are both inclined surfaces. The sides of the outer casing 1, the insulator 4 and the conductor 3 are all provided with a through second groove 71. The second groove 71 matches the insulating tube 7.

[0027] like Figure 6 As shown, the surfaces of the outer shell 1, top cover 2, conductor 3, insulator 4, pressure device 5, and heat dissipation structure 6 are all coated with a coating 8.

[0028] In this embodiment, the anti-corrosion coating 8 is applied, the insulating tube 7 is inserted into the second groove 71 of each connector, and the first dovetail 12 of the connector is inserted into the first dovetail groove 13 of another connector. The same steps are used to install them sequentially. After installing the required number of connectors, the top cover 2 is installed on the top and bottom of the outer shell 1. After installation, the busbar is inserted between the left insulator 41 and the right insulator 42. The right insulator 42 is fixed on the outer shell 1, and the left insulator 41 is installed in the first mounting groove 11 and connected to the pressure device 5. The left insulator 41 is squeezed by the busbar and moves towards the inside of the first mounting groove 11. The pressure device 5 pushes the left insulator 41 to clamp the busbar. When the busbar touches the insulating tube 7, it stops. The other end of the busbar is inserted into the connector until the other end of the busbar touches the insulating tube 7, at which point the installation is complete.

[0029] The above description is merely a preferred embodiment of this application and is not intended to limit the scope of this application. Those skilled in the art may find other optimizations and additional functions in this application. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A GIS erosion-resistant bus connector, characterized by: The utility model provides a kind of busbar, including shell (1), top cover (2), conductor (3), insulator (4), pressure device (5) and heat dissipation structure (6), the top and bottom of the shell (1) are equipped with heat dissipation structure (6), the inside of the shell (1) is equipped with first installation groove (11), the side of the shell (1) is equipped with first dovetail (12) and first dovetail groove (13), the side of the shell (1) is equipped with insulating tube (7), the top cover (2) is installed in the top and bottom of the shell (1), the conductor (3) is fixed on the insulator (4), the insulator (4) includes left insulator (41) and right insulator (42), the left insulator (41) is installed in the first installation groove (11), the right insulator (42) is installed in the inside of the shell (1), the pressure device (5) is a number of groups of elastic spring, is arranged in the first installation groove (11) respectively.

2. The GIS erosion-resistant bus connector of claim 1, wherein, The shell (1) adopts semi-closed shell, busbar socket is mutually penetrated, the top of the shell (1) is equipped with first recess (14), the heat dissipation structure (6) is installed in the first recess (14), the heat dissipation structure (6) adopts heat dissipation fin.

3. The GIS erosion-resistant bus connector of claim 1, wherein, The first installation groove (11) is located in the side of the inside of the shell (1), the depth of the first installation groove (11) is not less than the thickness of the left insulator (41).

4. The GIS erosion-resistant bus connector of claim 1, wherein, The first dovetail (12) is equipped with fixed groove (121), the first dovetail groove (13) is equipped with protrusion (131), the fixed groove (121) is matched with the protrusion (131).

5. The GIS erosion-resistant bus connector of claim 1, wherein, The insulator (4) is equipped with second installation groove (43), the conductor (3) is installed in the second installation groove (43), the side of the left insulator (41) and the right insulator (42) is inclined surface.

6. The GIS erosion-resistant bus connector of claim 1, wherein, The side of the shell (1), the insulator (4) and the conductor (3) is equipped with through second recess (71), the second recess (71) is matched with the insulating tube (7).

7. The GIS erosion-resistant bus connector of claim 1, wherein, The surface of the shell (1), top cover (2), conductor (3), insulator (4), pressure device (5) and heat dissipation structure (6) is equipped with coating (8).

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