Electrical connectors and busbar assemblies

Abstract

An electrical connector and busbar assembly are disclosed. The electrical connector is used to connect to an external connection end of a cable or busbar, and includes: a housing; a conductive component disposed within the housing and used for electrical connection to the external connection end; and a rear cover disposed at the rear of the housing and forming an enclosing space with the housing. The conductive component and the external connection end are completely covered within the enclosing space, and multiple heat dissipation holes are provided on at least one surface of the rear cover and the housing. The busbar assembly includes: a first busbar member and a second busbar member electrically insulated from each other, each having external connection ends located at both ends thereof, and the electrical connector as described above. The external connection ends of the first busbar member and the second busbar member are respectively connected to the electrical connector. The electrical connector according to this application can achieve good heat dissipation, and the busbar assembly according to this application improves design flexibility.

Claims

1. An electrical connector for connecting to an external connection terminal of a cable or busbar, the electrical connector comprising: case; A conductive component is disposed within the housing and is used for electrical connection to the external connection terminal; The rear cover is disposed at the rear of the housing and forms an enclosing space with the housing. The conductive component and the external connection terminal are completely covered within the enclosing space. At least one surface of the rear cover and the housing is provided with a plurality of heat dissipation holes.

2. An electrical connector for connecting to an external connection terminal of a cable or busbar, the electrical connector comprising: case; A conductive component is disposed within the housing and is used for electrical connection to the external connection terminal; And a radiator, wherein the radiator is partially disposed within the housing and exposed on both sides of the housing.

3. The electrical connector according to claim 1 or 2, wherein, The housing includes a base and a mating portion extending forward from the base, and a conductive component extending from the base to the mating portion for electrical connection to an external device via the mating portion.

4. The electrical connector according to claim 3, wherein, The mating part has a closed structure.

5. The electrical connector according to claim 3, wherein, The conductive component includes a contact piece and a conductive partition located on the side of the contact piece, the conductive partition being in electrical contact with the external connection terminal.

6. The electrical connector according to claim 5, wherein, The contact piece can be a multi-piece contact piece or a single-piece contact piece; the base is provided with a partition wall, and when the adjacent contact pieces are inserted into the housing, the partition wall is provided between the adjacent contact pieces.

7. The electrical connector according to claim 6, wherein, The conductive separator includes at least one large conductive separator and at least one small conductive separator, wherein the large conductive separator and the small conductive separator are combined with each other or integrally formed.

8. The electrical connector according to claim 1 or 2, wherein, The electrical connector further includes a terminal positioning device, which includes a first engagement portion located in the middle and second engagement portions located on both sides. The first engagement portion is used to engage the conductive component, and the second engagement portion is used to engage the housing.

9. The electrical connector according to claim 1, wherein, The rear cover is stacked behind the housing and includes an upper rear cover and a lower rear cover, which are detachably connected to each other by a first fastener.

10. The electrical connector according to claim 9, wherein, The upper rear cover and / or the lower rear cover are provided with a reinforcing part near the front end of the housing.

11. The electrical connector according to claim 1, wherein, The electrical connector also includes a heat sink housed in the enclosing space, the heat sink and the conductive component being disposed on opposite sides of the external connection end.

12. The electrical connector according to claim 2 or 11, wherein, The heat sink, the conductive component, and the external connection terminal are joined together by a second fastener.

13. The electrical connector according to claim 1 or 2, wherein, The busbar includes a bent structure, and the electrical connector is connected to the external connection end of the busbar near the bent structure.

14. The electrical connector according to claim 13, wherein, The heat sink portion of the electrical connector is housed within the bent structure.

15. A busbar assembly, comprising: A first busbar component and a second busbar component that are electrically insulated from each other, each having external connection terminals at both ends thereof, and an electrical connector as described in any one of claims 1-14, wherein the external connection terminals of the first busbar component and the second busbar component are respectively connected to the electrical connector.

16. The busbar assembly according to claim 15, wherein, Each of the aforementioned electrical connectors includes: two rows of conductive components, each row of conductive components including two sets of contact plates and two conductive spacers arranged side by side, each set of contact plates including two contact plates; and two rows of heat sinks, each row of heat sinks including two heat sinks arranged side by side, the two rows of conductive components and the two rows of heat sinks being disposed on opposite sides of the external connection end.

17. The busbar assembly according to claim 15, wherein, The first busbar component includes a first busbar and a first docking busbar, which are electrically connected to each other. The second busbar component includes a second busbar and a second docking busbar, which are electrically connected to each other.

18. The busbar assembly according to claim 17, wherein, A first flexible busbar is electrically connected between the first busbar and the first docking busbar, and a second flexible busbar is electrically connected between the second busbar and the second docking busbar.

19. The busbar assembly according to claim 15, wherein, The first busbar component includes a first busbar and a first docking busbar electrically connected to each other, the extension direction of the first busbar and the extension direction of the first docking busbar being perpendicular to each other. The second busbar component includes a second busbar and a second docking busbar electrically connected to each other, the extension direction of the second busbar and the extension direction of the second docking busbar being perpendicular to each other. The first docking busbar or the first busbar is electrically connected to a first flexible busbar, and the second docking busbar or the second busbar is electrically connected to a second flexible busbar. The external connection ends of the first flexible busbar and the second flexible busbar are respectively connected to the electrical connectors.

20. The busbar assembly according to claim 15, wherein, The first busbar component includes a first busbar and a first flexible busbar that are directly electrically connected to each other. The second busbar component includes a second busbar and a second flexible busbar that are directly electrically connected to each other. The external connection ends of the first busbar and the second busbar, and the external connection ends of the first flexible busbar and the second flexible busbar are respectively connected to the electrical connector.

21. The busbar assembly according to any one of claims 18-20, wherein, The first flexible busbar and the second flexible busbar are fitted with sleeves.

22. The busbar assembly according to any one of claims 18-19, wherein, An insulating layer is provided on the surface of the busbar closest to the second flexible busbar in the first busbar and the first docking busbar; an insulating layer is provided on the surface of the busbar closest to the first flexible busbar in the second busbar and the second docking busbar.

23. The busbar assembly according to claim 15, wherein, A clearance structure is formed on one side of the rear cover of the electrical connector to allow the first busbar component and the second busbar component to be inserted.

24. The busbar assembly according to claim 15, wherein, The ends of the first busbar component and the second busbar component that are in contact with the rear cover of the electrical connector are formed with a first step and a second step. A flange is formed on the surface of the rear cover of the electrical connector that is in contact with the first busbar component and the second busbar component. When the first busbar component and the second busbar component are inserted into the rear cover, a gap is formed between the first step and the second step and the flange.

25. The busbar assembly according to claim 24, wherein, The rear cover has a reinforcing member in the opening for insertion of the first busbar component and the second busbar component. The reinforcing member divides the opening into a first slot for insertion of the first busbar component and a second slot for insertion of the second busbar component.

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