Bus bar

Abstract

The utility model provides a busbar which comprises a plurality of conducting bars which are distributed at intervals along the height direction of a shell, each conducting bar is provided with a first terminal plate which is arranged at one end of the conducting bar in the length direction and extends out of the shell, and two rows of second terminal plates which are respectively arranged at two sides of the conducting bar in the width direction and extend out of the shell, each row of second terminal plates are distributed at intervals along the length direction of the conducting bar; the shell comprises a cover plate assembly and a base assembly which are arranged up and down, the base assembly is formed by assembling a plurality of bases through a splicing structure, the splicing structure comprises a dovetail groove formed in one of every two adjacent bases and a dovetail block arranged on the other base and connected with the dovetail groove in a matched and inserted mode, and the cover plate assembly comprises a plurality of cover plates. And the plurality of cover plates are assembled and fixed with the corresponding bases through fasteners. In this way, one conducting bar can be connected with two sets of miniature circuit breakers, wiring is simple, the shell length matched with different length specifications of the conducting bar can be flexibly selected according to the requirements of a user, and the conducting bar is more convenient for the user to use.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical connection, in particular to a busbar. Background Art

[0002] The existing power distribution cabinet is equipped with a molded case circuit breaker and multiple rows of small circuit breakers. The molded case circuit breaker is used to control the on and off of the main circuit, and the small circuit breaker is used to control the on and off of each branch circuit. The molded case circuit breaker and the multiple rows of small circuit breakers are connected by wires, which makes the wiring more complicated and the lines more messy. Utility Model Content

[0003] Therefore, the technical problem to be solved by the utility model is to overcome the defects of the prior art that the wiring is complicated and the lines are messy, thereby providing a bus with simple wiring.

[0004] To this end, the utility model provides a busbar, comprising: a plurality of conductive bars, spaced apart along the height direction of a shell, the conductive bar having a first terminal board arranged at one end in its length direction and extending out of the shell, and two rows of second terminal boards arranged on both sides in its width direction and extending out of the shell, each row of the second terminal boards being spaced apart along the length direction of the conductive bar; a shell, comprising a cover plate assembly and a base assembly arranged up and down, the base assembly being assembled by a plurality of bases through a splicing structure, the splicing structure comprising a dovetail groove arranged on one of two adjacent bases, and a dovetail block arranged on the other one and adapted to be plugged into the dovetail groove, the cover plate assembly comprising a plurality of cover plates, and the plurality of cover plates being assembled and fixed to the corresponding bases through fasteners.

[0005] The second terminal plates of the plurality of conductive bars are located on the same horizontal plane.

[0006] A first opening groove for the second terminal plate to extend out is formed on a side of the base facing the cover plate.

[0007] The base is formed with a second opening groove for the conductive bar body to pass through, wherein a sealing plate suitable for covering the second opening groove is provided on the base far from the first terminal board.

[0008] The sealing plate includes a sealing plate body that abuts against the outer wall of the edge of the second opening groove of the base, and an L-shaped plug block arranged on the inner wall of the sealing plate body. The L-shaped plug block extends into the interior of the base and abuts against the inner wall of the edge of the second opening groove.

[0009] The sealing plate body is provided with heat dissipation holes.

[0010] The technical solution of the utility model has the following advantages:

[0011] 1. The utility model provides a busbar, wherein the conductive bar has a first terminal plate arranged at one end in the length direction thereof and extending out of the housing, and two rows of second terminal plates arranged at both sides in the width direction thereof and extending out of the housing, each row of second terminal plates being spaced apart along the length direction of the conductive bar, so that the first terminal plate of the conductive bar is used to be connected to the molded case circuit breaker, and the two rows of second terminal plates are used to be connected to the corresponding small circuit breakers. Compared with the prior art, such a conductive bar can be connected to two groups of small circuit breakers, and the wiring is relatively simple; in addition, the base assembly is assembled by a plurality of bases through a splicing structure, the splicing structure includes a dovetail groove arranged at one of two adjacent bases, and a dovetail block arranged at the other base and adapted to be plugged in the dovetail groove, the cover plate assembly includes a plurality of cover plates, and the plurality of cover plates are assembled and fixed with the corresponding bases through fasteners. Since different users have different requirements for the number of small circuit breakers, the length of the conductive bar required accordingly is also different, so that the housing length adapted to the different length specifications of the conductive bar can be flexibly selected according to the needs of the user, which is more convenient for the user to use, and the dovetail block and the dovetail groove have the advantages of simple structure and quick and convenient assembly.

[0012] 2. The busbar provided by the utility model has a first opening groove formed on one side of the base facing the cover plate for the second terminal board to extend out. During assembly, the second terminal board is first inserted into the first opening groove and then the cover plate is installed. This makes assembly quick and convenient.

[0013] 3. The busbar provided by the utility model has a base formed with a second open groove for the conductive bar body to pass through, wherein a sealing plate suitable for covering the second open groove is provided on the base far from the first terminal board, and the sealing plate can cover the conductive bar; in addition, the sealing plate includes a sealing plate body abutting against the outer wall of the edge of the second open groove of the base, and an L-shaped plug provided on the inner wall of the sealing plate body, the L-shaped plug extending into the interior of the base and abutting against the inner wall of the edge of the second open groove, the structure of the above sealing plate makes the sealing plate and the bottom plate quick and convenient to assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 A three-dimensional diagram of the busbar of the present invention;

[0016] Figure 2 This is a schematic diagram of the exploded structure of the busbar;

[0017] Figure 3 is a three-dimensional diagram of a conductive bar;

[0018] Figure 4 is an assembly diagram of the base assembly;

[0019] Figure 5 for Figure 4 A schematic diagram of the enlarged structure of part A;

[0020] Figure 6 for Figure 4 A schematic diagram of the enlarged structure of part B;

[0021] Figure 7 Schematic diagram of the disassembly of the two bases and the cover plate.

[0022] Explanation of the accompanying drawings: 1. Shell; 2. Conductive bar; 3. First terminal board; 4. Second terminal board; 5. Base; 6. Cover plate; 7. Dovetail groove; 8. Dovetail block; 9. Second opening groove; 10. Sealing plate; 11. Sealing plate body; 12. Insert block; 13. Heat dissipation hole; 14. First opening groove; 15. Conductive bar body. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0024] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0027] Example

[0028] This embodiment provides a bus bar such as Figure 1 and Figure 2 As shown, it includes a conductive bar 2 and a housing 1.

[0029] like Figure 2 and Figure 3 As shown, three conductive bars 2 are spaced apart along the height direction of the housing 1, the conductive bar 2 has a first terminal plate 3 provided at one end in the length direction thereof and extending out of the housing 1, and two rows of second terminal plates 4 provided on both sides in the width direction thereof and extending out of the housing 1, each row of the second terminal plates 4 are spaced apart along the length direction of the conductive bar 2, and the second terminal plates 4 of the three conductive bars 2 are all located in the same horizontal plane, so as to be conveniently connected to the wiring terminals of the miniature circuit breaker.

[0030] The housing 1 includes a cover assembly and a base assembly arranged up and down. Figure 4 As shown, the base assembly is assembled by multiple bases 5 through a splicing structure, such as Figure 5 and Figure 7 As shown, the splicing structure includes a dovetail groove 7 provided on one of the two adjacent bases 5, and a dovetail block 8 provided on the other one and adapted to be plugged into the dovetail groove 7. The cover plate assembly includes a plurality of cover plates 6, which are assembled and fixed to the corresponding bases 5 by fasteners. In this embodiment, the fasteners are screws. Figure 7 As shown, the base 5 is formed with a first opening groove 14 for the second terminal plate 4 to extend out on one side facing the cover plate 6, and the base 5 is formed with a second opening groove 9 for the conductive bar body 15 to pass through, wherein a sealing plate 10 suitable for covering the second opening groove 9 is provided on the base 5 at the far end of the first terminal plate 3, as shown in FIG. Figure 6 and Figure 7 As shown, the sealing plate 10 includes a sealing plate body 11 which abuts against the outer wall of the edge of the second opening groove 9 of the base 5, and an L-shaped plug block 12 provided on the inner wall of the sealing plate body 11, the L-shaped plug block 12 extends into the interior of the base 5 and abuts against the inner wall of the edge of the second opening groove 9, and the sealing plate body 11 is provided with a heat dissipation hole 13.

[0031] The utility model provides a busbar, a first terminal plate 3 of the conductive bar 2 is used to be connected to a molded case circuit breaker, and two rows of second terminal plates 4 on both sides in the width direction are used to be connected to corresponding small circuit breakers. Compared with the prior art, such a conductive bar 2 can be connected to two groups of small circuit breakers, and the wiring is relatively simple; in addition, the base assembly is assembled by a plurality of bases 5 through a splicing structure, and the splicing structure includes a dovetail groove 7 provided on one of two adjacent bases 5, and a dovetail block 8 provided on the other one and adapted to be plugged into the dovetail groove 7; the cover plate assembly includes a plurality of cover plates 6, and the plurality of cover plates 6 are assembled and fixed to the corresponding bases through fasteners. Since different users have different requirements for the number of small circuit breakers, the corresponding required lengths of the conductive bars are also different. In this way, the shell length that is compatible with the different length specifications of the conductive bar can be flexibly selected according to the needs of the users, which is more convenient for users to use, and the dovetail blocks 8 and dovetail grooves 7 that cooperate with each other have the advantages of simple structure and quick and convenient assembly.

[0032] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A busbar, characterized in that: include: A plurality of conductive bars (2) are spaced apart along the height direction of the housing (1), the conductive bar (2) comprising a first terminal plate (3) arranged at one end in the length direction thereof and extending out of the housing (1), and two rows of second terminal plates (4) arranged at both sides in the width direction thereof and extending out of the housing (1), each row of the second terminal plates (4) being spaced apart along the length direction of the conductive bar (2); The housing (1) comprises a cover plate assembly and a base assembly which are arranged in an upper and lower manner. The base assembly is assembled from a plurality of bases (5) by means of a splicing structure. The splicing structure comprises a dovetail groove (7) arranged on one of two adjacent bases (5), and a dovetail block (8) arranged on the other one and adapted to be plugged into the dovetail groove (7). The cover plate assembly comprises a plurality of cover plates (6). The plurality of cover plates (6) are assembled and fixed to the corresponding bases (5) by means of fasteners.

2. The busbar according to claim 1, characterized in that: The second terminal plates (4) of the plurality of conductive bars (2) are located on the same horizontal plane.

3. The busbar according to claim 1 or 2, characterized in that: A first opening groove (14) for the second terminal plate (4) to extend out is formed on a side of the base (5) facing the cover plate (6).

4. The busbar according to claim 1, characterized in that: The base (5) is formed with a second opening groove (9) for the conductive bar body (15) to pass through, wherein a sealing plate (10) suitable for covering the second opening groove (9) is provided on the base (5) at a far end from the first terminal board (3).

5. The busbar according to claim 4, characterized in that: The sealing plate (10) comprises a sealing plate body (11) which abuts against the outer wall of the edge of the second opening groove (9) of the base (5), and an L-shaped plug-in block (12) arranged on the inner wall of the sealing plate body (11), wherein the L-shaped plug-in block (12) extends into the interior of the base (5) and abuts against the inner wall of the edge of the second opening groove (9).

6. The busbar according to claim 5, characterized in that: The sealing plate body (11) is provided with heat dissipation holes (13).

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