CN220775334U

CN220775334U - Current transmission busbar

Info

Publication number: CN220775334U
Application number: CN202322201466.5U
Authority: CN
Inventors: 邓飞
Original assignee: Guangdong Anxintuo Electric Power Technology Co ltd
Current assignee: Guangdong Anxintuo Electric Power Technology Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-04-12
Anticipated expiration: 2033-08-15

Abstract

The utility model discloses a current transmission busbar, which comprises a bus duct and a connector; the bus duct comprises a main bus duct and more than one auxiliary bus duct, and a combined connection structure is arranged between the main bus duct and the auxiliary bus duct and between the auxiliary bus duct and the auxiliary bus duct; the main bus duct and the auxiliary bus duct are also provided with a reinforcing structure, a heat dissipation structure and a guide groove. According to the utility model, the auxiliary bus and the main bus duct can be connected in a straight line or in a right angle according to the requirements by arranging the guide grooves, and the combined connection structure is combined to form bus ducts with different sizes according to the length or the direction requirements, so that the applicability is improved, when a fault occurs, only the fault part is needed to be replaced, and the maintenance cost is reduced; the bus bar structure has the advantages that the reinforcing structure is arranged to ensure the strength of the bus bar groove, the overall weight of the bus bar is reduced, and the manufacturing cost is reduced. The heat dissipation structure is used for improving the direct contact area between the inside of the bus duct and the outside, so that the heat dissipation effect and efficiency are improved.

Description

Current transmission busbar

Technical Field

The utility model relates to the technical field of power transmission devices, in particular to a current transmission busbar.

Background

The power distribution and use field in China, especially the low-voltage distribution network, is the "blind area" and the "pain spot" of power production and management, mainly represents the equipment running condition lack unified monitoring at distribution system, and the transformer substation of low-voltage distribution network, the most unmanned on duty in electricity distribution room, and original power distribution equipment need break main switch, can influence the normal power supply of next grade.

The patent number CN201620343262.2 discloses a low-voltage live plug power bus device, which is a current transmission bus and comprises an SMC shell, an epoxy body, a T-shaped head, a wire inlet copper bar, a main bus bar and an adapter, wherein the epoxy body is arranged between the SMC shells on two sides, the T-shaped head is connected with the epoxy body, one end of the wire inlet copper bar is arranged in the T-shaped head, the other end of the wire inlet copper bar is exposed outside the T-shaped head, the main bus bar is arranged in the epoxy body and the T-shaped head, the side end of the epoxy body is provided with the adapter, the wire inlet copper bar is fixedly connected with the main bus bar, and the wire inlet copper bar can be inserted into any interface after being matched with the independently developed adapter, so that a circuit can be increased or reduced at any time. Meets the requirements of various clients and different occasions, has low cost, is convenient to maintain and replace, and is suitable for various commercial and industrial occasions.

But it also has the following problems: 1. the length specification is the prescribed length, the plug-in connector is set according to the inserted adapting original, the specification is the prescribed size, the plug-in connector is not detachably combined, and when other length specifications or corner shapes are needed, the plug-in connector is required to be customized and replaced, has high cost and slow customization efficiency, and influences normal use; when a fault occurs, the whole replacement is needed, so that the maintenance cost is increased; 2. the existing bus bar is used for ensuring the strength, and most of the shells are solid shells, so that the bus bar is large in size, heavy in weight, high in manufacturing cost and inconvenient to carry and install; 3. the internal heat dissipation of the existing busbar mainly carries out heat dissipation through the contact of the insertion opening and the outside, the heat dissipation efficiency is low, the heat dissipation effect is poor, the temperature accumulation can lead to the generation of high temperature, and the use safety is greatly reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a current transmission busbar, which aims at solving the problems that a plurality of specifications of the busbar in the prior art cannot be combined by themselves and has low applicability; heavy weight and poor strength; poor heat dissipation effect.

The technical scheme adopted by the utility model for achieving the purpose is as follows:

the current transmission busbar comprises a busbar main body, wherein the busbar main body comprises a bus duct and a connector, and the bus duct is detachably connected with the connector; the bus duct comprises a main bus duct and one or more auxiliary bus ducts, and a combined connection structure is arranged between the main bus duct and the auxiliary bus duct and between the auxiliary bus duct and the auxiliary bus duct; the main bus duct and the auxiliary bus duct are also provided with a reinforcing structure and a heat dissipation structure.

The main bus duct is characterized in that an inserting part is arranged at one end of the main bus duct, and an inserting groove for inserting the inserting part is formed in the connector; the connector is equipped with the inlet wire copper bar, the inlet wire copper bar includes that A looks inlet wire copper bar, B looks inlet wire copper bar and C looks inlet wire copper bar, A looks inlet wire copper bar, B looks inlet wire copper bar and C looks inlet wire copper bar all are equipped with metal clamping and external portion, metal clamping all sets up in the grafting recess, external portion runs through the connector sets up outside the terminal surface of connector.

The main bus duct comprises a first shell and a first line bank assembly, the auxiliary bus duct comprises a first shell and a line bank assembly, the first shell and the first shell are respectively provided with a cavity, and the first line bank assembly and the line bank assembly are respectively arranged in the cavities; the first wire bar component of the main bus duct is connected with the wire inlet copper bar to form electric connection, and one end of the wire bar component of the auxiliary bus duct is connected with the wire bar component of the main bus duct to form electric connection;

the first shell and the tail of the first shell are respectively provided with a splicing part, the splicing parts are respectively provided with two guide grooves which are oppositely arranged in a mirror image mode, each guide groove comprises a first guide groove and a second guide groove, the first guide grooves and the second guide grooves are arranged in the splicing parts in a right-angle mode, and the first guide grooves are communicated with the second guide grooves.

The combined connecting structure comprises two buckling hooks and two groups of buckling hole groups, wherein the two buckling hooks are arranged at the head part of the shell in a mirror image opposite mode; the two buckling hole groups are arranged on the two side walls of the splicing part; the buckling hole sets comprise first buckling holes and second buckling holes, the first buckling holes are arranged above the end parts of the first guide grooves and penetrate through the side walls to be communicated with the first guide grooves, and the second buckling holes are arranged on the side walls of the tops of the first guide grooves and are communicated with the first guide grooves through the side walls.

The shell is further improved, positioning blocks are arranged at the head end of the shell, and three positioning grooves which are arranged in a stacking mode are formed in the positioning blocks and the splicing parts; the splicing part is also provided with three positioning inserting grooves which are arranged in a stacking mode, and the positioning inserting grooves are respectively communicated with the positioning grooves in a connecting way; the end parts and the side surfaces of the positioning inserting grooves are respectively provided with a positioning inserting port.

The wire row assembly I and the wire row assembly I comprise an A-phase line row, a B-phase line row and a C-phase line row, the A-phase line row, the B-phase line row and the C-phase line row are copper sheets, one ends of the copper sheets are respectively provided with an elastic metal clamp, the other ends of the copper sheets are respectively provided with a metal extension part, the elastic metal clamps are respectively arranged in the positioning inserting grooves, and the metal extension parts are respectively arranged at the head ends and extend from the head ends to the outside.

The reinforced structure comprises two honeycomb structure layers which are respectively arranged on the first shell and the two side walls of the first shell in a mirror image opposite mode; the honeycomb structure layer is composed of a plurality of hexagonal frames, grooves are formed in the honeycomb structure layer, and the grooves are communicated with the first shell and the inner connection of the first shell through the hexagonal frames.

The heat dissipation structure is further improved and comprises two heat dissipation blocks, wherein the two heat dissipation blocks are respectively provided with back glue, and the heat dissipation blocks are respectively arranged in the grooves through the back glue; the radiating block is provided with a plurality of connecting columns which are respectively arranged in the hexagonal frame and are communicated with the shell I and the inner connection of the shell; the heat dissipation block is also provided with a first heat conduction block, and the first heat conduction block is arranged on the inner surfaces of the first shell and the side wall of the first shell; the surface of the radiating block is also provided with a plurality of radiating grooves, and the two side surfaces of the radiating grooves are respectively provided with a radiating groove I.

And the other two side walls of the first shell are respectively provided with a plug interface group, each plug interface group is composed of three plug interfaces, and the plug interfaces are respectively connected and communicated with the A phase line row, the B phase line row and the C phase line row.

The heat dissipation blocks are heat conduction silica gel heat dissipation blocks, and the connecting columns are heat conduction silica gel connecting columns; the detachable connection may be one of a threaded connection or a snap connection.

Compared with the prior art, the one or more technical schemes in the current transmission bus provided by the embodiment of the utility model have at least one of the following technical effects:

1. according to the utility model, the guide groove is arranged to play a role in guiding, so that the auxiliary bus and the main bus duct can form linear connection or right-angle connection according to requirements, and the applicability is improved; the combined connection structure is used for forming bus ducts with different sizes according to the length or the direction requirement, so that the combination performance is improved, the applicability is improved, when one of the bus ducts fails, only the failed part is required to be replaced, the whole replacement is not required, the maintenance efficiency is improved, and the maintenance cost is reduced.

2. The bus bar structure has the advantages that the reinforcing structure is arranged to ensure the strength of the first shell and the first shell, and meanwhile, the whole weight of the bus bar structure is greatly reduced, so that the whole weight of the bus bar body is reduced, the manufacturing cost is reduced, and the bus bar structure is convenient to carry.

3. The heat dissipation structure is used for improving the direct contact area between the first shell and the inside and the outside of the first shell, so that the heat dissipation effect and the heat dissipation efficiency are improved, and the heat dissipation area is greatly increased by arranging the heat dissipation groove and the first heat dissipation groove, so that the heat dissipation effect and the heat dissipation efficiency are greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram showing the overall structure of a current transmission bus according to the present embodiment;

FIG. 2 is an exploded view of the current transfer bus of the present embodiment;

fig. 3 is a schematic view of the structure of the secondary bus duct of the present embodiment;

fig. 4 is a schematic cross-sectional view of a heat dissipating block of the present embodiment;

FIG. 5 is a schematic cross-sectional view of the copper sheet of the present embodiment;

fig. 6 is a schematic cross-sectional view of the splice of this embodiment.

Detailed Description

The following description is of the preferred embodiments of the utility model, and is not intended to limit the scope of the utility model.

Referring to fig. 1 to 6, an embodiment of a current transmission busbar includes a busbar body 1, where the busbar body 1 includes a bus duct 2 and a connector 3, and detachable connection is formed between the bus duct 2 and the connector 3, and the detachable connection may be one of a threaded connection structure or a snap connection structure; the bus duct 2 comprises a main bus duct 4 and one or more auxiliary bus ducts 5, and a combined connection structure 6 is arranged between the main bus duct 4 and the auxiliary bus duct 5 and between the auxiliary bus duct 5 and the auxiliary bus duct 5; the main bus duct 4 and the auxiliary bus duct 5 are also provided with a reinforcing structure 7 and a heat dissipation structure 8.

One end of the main bus duct 4 is provided with a plug-in part 40, and the connector 3 is provided with a plug-in groove 41 for inserting the plug-in part 40; the connector 3 is equipped with inlet wire copper bar 30, inlet wire copper bar 30 includes that A looks inlet wire copper bar 300, B looks inlet wire copper bar 301 and C looks inlet wire copper bar 302, A looks inlet wire copper bar 300, B looks inlet wire copper bar 301 and C looks inlet wire copper bar 302 all are equipped with metal clamping 3000 and external portion 3001, metal clamping 3000 all sets up in the grafting recess 41, external portion 3001 runs through connector 3 sets up outside the terminal surface of connector 3, connector 3 is used for being connected with external three-phase electricity to carry the electric current for main bus duct 4 and one or more vice bus duct 5, metal clamping 3000 can be used to the electric connection of the metal extension of different thickness, improves suitability and the stability of electric contact.

The main bus duct 4 comprises a first shell and a first line bank assembly, the auxiliary bus duct 5 comprises a first shell 9 and a first line bank assembly 10, the first shell and the first shell are respectively provided with a cavity, and the first line bank assembly 10 are respectively arranged in the cavities; the first wire bar assembly of the main bus duct 4 is connected with the wire inlet copper bar 30 to form electric connection, and one end of the wire bar assembly 10 of the auxiliary bus duct 5 is connected with the wire bar assembly of the main bus duct 4 to form electric connection;

the tail of the first shell and the tail of the second shell 9 are respectively provided with a splicing part 90, the splicing parts 90 are respectively provided with two guide grooves 91 which are oppositely arranged in a mirror image mode, the guide grooves 91 respectively comprise a first guide groove 910 and a second guide groove 911, the first guide grooves 910 and the second guide grooves 911 are arranged in the splicing parts 90 in a right-angle mode, the first guide grooves 910 are communicated with the second guide grooves 911, and the guide grooves 91 play a role in guiding, so that the main bus duct 4 and the connector 3, the auxiliary bus and the main bus duct 4 can be connected in a straight line or in a right-angle mode according to requirements, and the applicability is improved.

The combined connection structure 6 comprises two buckling hooks 60 and two groups of buckling hole groups 61, and the two buckling hooks 60 are arranged at the head of the shell 9 in a mirror image opposite mode; two sets of the buttonhole sets 61 are arranged on two side walls of the splicing part 90; the fastening hole sets 61 each comprise a first fastening hole 610 and a second fastening hole 611, the first fastening holes 610 are arranged above the end portion of the first guide groove 910 and penetrate through the side wall to be communicated with the first guide groove 910, the second fastening holes 611 are arranged on the side wall of the top of the first guide groove 910 and penetrate through the side wall to be communicated with the first guide groove 910, the combined connection structure 6 is used for forming bus grooves 2 with different size specifications according to the length or the direction requirement, the combined performance is improved, the applicability is improved, when one of the bus grooves fails, only the failed part is needed to be replaced, the whole replacement is not needed, the maintenance efficiency is improved, and the maintenance cost is reduced.

The head end of the shell 9 is also provided with a positioning block 92, and the positioning block 92 and the splicing part 90 are provided with three positioning grooves which are arranged in a stacking mode; the splicing part 90 is further provided with three positioning inserting grooves 920 which are arranged in a stacking manner, and the positioning inserting grooves 920 are respectively communicated with the positioning grooves in a connecting way; the end and the side of the positioning inserting groove 920 are respectively provided with a positioning inserting port 923, and the positioning inserting ports 923 are used for inserting the metal extension part 104 and are electrically connected with the elastic metal clip 103; wherein the positioning plug-in interfaces 923 without connection are all provided with detachable elastic sealing covers; the first line bank assembly and the first line bank assembly 10 each comprise an a-phase line bank 100, a B-phase line bank 101 and a C-phase line bank 102, wherein the a-phase line bank 100, the B-phase line bank 101 and the C-phase line bank 102 are copper sheets, one end of each copper sheet is provided with an elastic metal clip 103, the other end of each copper sheet is provided with a metal extension part 104, the elastic metal clips 103 are respectively arranged in the positioning inserting grooves, the metal extension parts 104 are respectively arranged at the head ends and extend from the head ends to the outside, and the length of the metal extension parts 104 of the first line bank assembly is smaller than that of the first line bank assembly 10; the positioning groove is used for positioning the copper sheet and facilitating assembly, the elastic metal clamp 103 is used for clamping the metal extension part 104 of another copper sheet, so that electric connection between two copper sheets is realized, inclined planes are poured at two ends of the elastic metal clamp 103, and the inclined planes are used for guiding.

The reinforcing structure 7 comprises two honeycomb structure layers 70, wherein the two honeycomb structure layers 70 are respectively arranged on the side walls of the shell I and the shell 9 which are arranged in a mirror image opposite manner; the honeycomb structure layer 70 is composed of a plurality of hexagonal frames, the honeycomb structure layer 70 is provided with grooves 700, the grooves 700 are communicated with the inner connection of the first shell and the second shell 9 through the hexagonal frames, and the reinforcing structure 7 is used for guaranteeing the strength of the first shell and the second shell 9 and simultaneously greatly reducing the overall weight of the bus duct 2, so that the overall weight of the bus main body 1 is reduced, the manufacturing cost is reduced, and the bus duct is convenient to carry.

The heat dissipation structure 8 comprises two heat dissipation blocks 80, wherein the two heat dissipation blocks 80 are respectively provided with back glue, and the heat dissipation blocks 80 are respectively arranged in the grooves 700 through the back glue; the heat dissipation block 80 is provided with a plurality of connecting columns, and the connecting columns are respectively arranged in the hexagonal frame and are communicated with the first shell and the inner connection of the second shell 9; the heat dissipation block 80 is further provided with a first heat conduction block 81, and the first heat conduction block 81 is arranged on the inner surfaces of the side walls of the first shell and the second shell 9; the surface of radiating block 80 still is equipped with many radiating grooves 82, and is many radiating groove 82's both sides face all is equipped with radiating groove one 83, radiating block 80 is heat conduction silica gel radiating block 80, the spliced pole is heat conduction silica gel spliced pole, heat radiation structure 8 is used for improving shell one and shell 9 inside and external direct contact area to improve radiating effect and efficiency, and through setting up radiating groove 82 and radiating groove one 83 greatly increased radiating area, thereby make radiating effect and efficiency improve greatly.

The other two side walls of the first shell and the second shell 9 are respectively provided with a plug interface group 13, each plug interface group 13 is composed of three plug interfaces, each plug interface is respectively connected and communicated with the A phase line row 100, the B phase line row 101 and the C phase line row 102, and each plug interface group is used for electrically connecting the plug interfaces of the three metal plug interfaces of the external adapter.

According to the utility model, the guide groove is arranged to play a role in guiding, so that the auxiliary bus and the main bus duct can form linear connection or right-angle connection according to requirements, and the applicability is improved; the combined connection structure is used for forming bus ducts with different sizes according to the length or the direction requirement, so that the combination performance is improved, the applicability is improved, when one of the bus ducts fails, only the failed part is required to be replaced, the whole replacement is not required, the maintenance efficiency is improved, and the maintenance cost is reduced. The bus bar structure has the advantages that the reinforcing structure is arranged to ensure the strength of the first shell and the first shell, and meanwhile, the whole weight of the bus bar structure is greatly reduced, so that the whole weight of the bus bar body is reduced, the manufacturing cost is reduced, and the bus bar structure is convenient to carry. The heat dissipation structure is used for improving the direct contact area between the first shell and the inside and the outside of the first shell, so that the heat dissipation effect and the heat dissipation efficiency are improved, and the heat dissipation area is greatly increased by arranging the heat dissipation groove and the first heat dissipation groove, so that the heat dissipation effect and the heat dissipation efficiency are greatly improved.

The present utility model is not limited to the above embodiments, and other current transmission buses obtained by using the same or similar structures or devices as the above embodiments of the present utility model are within the scope of the present utility model.

Claims

1. A current transfer buss bar comprising a buss bar body, characterized in that: the busbar main body comprises a bus duct and a connector, and the bus duct is detachably connected with the connector; the bus duct comprises a main bus duct and one or more auxiliary bus ducts, and a combined connection structure is arranged between the main bus duct and the auxiliary bus duct and between the auxiliary bus duct and the auxiliary bus duct; the main bus duct and the auxiliary bus duct are also provided with a reinforcing structure and a heat dissipation structure.

2. The current transfer buss of claim 1, wherein: one end of the main bus duct is provided with a plug-in part, and the connector is provided with a plug-in groove for inserting the plug-in part; the connector is equipped with the inlet wire copper bar, the inlet wire copper bar includes that A looks inlet wire copper bar, B looks inlet wire copper bar and C looks inlet wire copper bar, A looks inlet wire copper bar, B looks inlet wire copper bar and C looks inlet wire copper bar all are equipped with metal clamping and external portion, metal clamping all sets up in the grafting recess, external portion runs through the connector sets up outside the terminal surface of connector.

3. The current transfer buss of claim 2, wherein: the main bus duct comprises a first shell and a first line bank assembly, the auxiliary bus duct comprises a first shell and a line bank assembly, the first shell and the first shell are respectively provided with a cavity, and the first line bank assembly and the line bank assembly are respectively arranged in the cavities; the first wire bar component of the main bus duct is connected with the wire inlet copper bar to form electric connection, and one end of the wire bar component of the auxiliary bus duct is connected with the wire bar component of the main bus duct to form electric connection;

4. A current transfer buss according to claim 3, wherein: the combined connection structure comprises two buckling hooks and two groups of buckling hole groups, and the two buckling hooks are arranged at the head of the shell in a mirror image opposite mode; the two buckling hole groups are arranged on the two side walls of the splicing part; the buckling hole sets comprise first buckling holes and second buckling holes, the first buckling holes are arranged above the end parts of the first guide grooves and penetrate through the side walls to be communicated with the first guide grooves, and the second buckling holes are arranged on the side walls of the tops of the first guide grooves and are communicated with the first guide grooves through the side walls.

5. The current transfer buss of claim 4, wherein: the head end of the shell is also provided with a positioning block, and the positioning block and the splicing part are respectively provided with three positioning grooves which are arranged in a stacking mode; the splicing part is also provided with three positioning inserting grooves which are arranged in a stacking mode, and the positioning inserting grooves are respectively communicated with the positioning grooves in a connecting way; the end parts and the side surfaces of the positioning inserting grooves are respectively provided with a positioning inserting port.

6. The current transfer buss of claim 5, wherein: the first line row component and the first line row component comprise an A-phase line row, a B-phase line row and a C-phase line row, the A-phase line row, the B-phase line row and the C-phase line row are copper sheets, one ends of the copper sheets are respectively provided with an elastic metal clamp, the other ends of the copper sheets are respectively provided with a metal extension part, the elastic metal clamps are respectively arranged in the positioning inserting grooves, and the metal extension parts are respectively arranged at the head ends and extend from the head ends to the outside.

7. The current transfer buss of claim 6, wherein: the reinforcing structure comprises two honeycomb structure layers which are respectively arranged on the first shell and the two side walls of the first shell in a mirror image opposite mode; the honeycomb structure layer is composed of a plurality of hexagonal frames, grooves are formed in the honeycomb structure layer, and the grooves are communicated with the first shell and the inner connection of the first shell through the hexagonal frames.

8. The current transfer buss of claim 7, wherein: the heat dissipation structure comprises two heat dissipation blocks, wherein both the two heat dissipation blocks are provided with back glue, and the heat dissipation blocks are arranged in the grooves through the back glue; the radiating block is provided with a plurality of connecting columns which are respectively arranged in the hexagonal frame and are communicated with the shell I and the inner connection of the shell; the heat dissipation block is also provided with a first heat conduction block, and the first heat conduction block is arranged on the inner surfaces of the first shell and the side wall of the first shell; the surface of the radiating block is also provided with a plurality of radiating grooves, and the two side surfaces of the radiating grooves are respectively provided with a radiating groove I.

9. The current transfer buss of claim 8, wherein: the other two side walls of the first shell and the other two side walls of the first shell are respectively provided with a plug interface group, each plug interface group is composed of three plug interfaces, and the plug interfaces are respectively connected and communicated with the A phase line row, the B phase line row and the C phase line row.

10. The current transfer buss of claim 8, wherein: the radiating blocks are heat-conducting silica gel radiating blocks, and the connecting columns are heat-conducting silica gel connecting columns; the detachable connection may be one of a threaded connection or a snap connection.