High-current connector
The invention relates to a high-current plug connector ( 1 ) for an electrical connection between a first line ( 11 ) and a second line ( 12 ), comprising: a plug pin ( 2 ) that can be connected to the first line ( 11 ), a plug socket ( 3 ) that can be connected to the second line ( 12 ), a contact cage ( 4 ), which is arranged between the plug pin ( 2 ) and the plug socket ( 3 ) and is designed to establish electrical contact between the plug pin ( 2 ) and the plug socket, a spring element ( 5 ), which exerts a preload (F) in the axial direction (X-X) of the high-current plug connector, and a flexible connection element ( 6 ), by means of which the plug pin ( 2 ) can be connected to the first line ( 11 ) and/or by means of which the plug socket ( 3 ) can be connected to the second line ( 12 ).
1. A high-current plug connection ( 1 ) for an electrical connection between a first line ( 11 ) and a second line ( 12 ), comprising:
a plug pin ( 2 ) which is connectable to the first line ( 11 ),
a plug socket ( 3 ) which is connectable to the second line ( 12 ),
a contact cage ( 4 ) which is arranged between the plug pin ( 2 ) and the plug socket ( 3 ) and which is configured to produce electrical contact between the plug pin ( 2 ) and the plug socket, and
a spring element ( 5 ) which exerts a preload (F) in an axial direction (X-X) of the high-current plug connection,
wherein the contact cage ( 4 ) includes a multiplicity of contact tongues ( 40 ) that move substantially in a radial direction of the high-current plug connection and into contact with the plug socket ( 3 ) upon insertion of the plug pin ( 2 ).
2. The high-current plug connection as claimed in claim 1 , wherein the contact cage ( 4 ) has a cylindrical base body ( 43 ).
3. The high-current plug connection as claimed in claim 1 , wherein each contact tongue ( 40 ) has a first 180° bend ( 41 ) and a second 180° bend ( 42 ).
4. The high-current plug connection as claimed in claim 1 , wherein first contact regions ( 13 ) of the contact tongues ( 40 ) lie in a first plane (E 1 ) and second contact regions ( 14 ) of the contact tongues lie in a second plane (E 2 ), wherein the first plane (E 1 ) is parallel to the second plane (E 2 ).
5. The high-current plug connection as claimed in claim 2 , wherein the contact tongues ( 40 ) form a cylindrical casing element or wherein the contact tongues ( 40 ) form a conical casing element.
6. The high-current plug connection as claimed in claim 1 , furthermore comprising a cap ( 7 ) composed of an electrically insulating material, having a main body ( 72 ) and having a cover region with a passage opening ( 71 ) which is configured for a leadthrough of the plug pin ( 2 ).
7. The high-current plug connection as claimed in claim 6 , wherein the passage opening ( 71 ) is a centering device for centering the plug pin ( 2 ).
8. The high-current plug connection as claimed in claim 1 , wherein the plug pin ( 2 ) has, at an end side ( 22 ), an insulating element ( 10 ).
9. The high-current plug connection as claimed in claim 1 , wherein the spring element ( 5 ) is a conical spring, wave spring, disk spring or a helical spring.
10. The high-current plug connection as claimed in claim 1 , furthermore comprising a cover element ( 8 ) which is designed as a touch protection means and which is composed of an electrically insulating material and which is arranged on the plug pin ( 2 ).
11. The high-current plug connection as claimed in claim 1 , wherein the spring element ( 5 ) bears against the plug socket and/or wherein the spring element ( 5 ) bears against the plug pin ( 2 ).
12. The high-current plug connection as claimed in claim 1 , furthermore comprising a cooling element ( 15 ) which is arranged with an insulation foil ( 50 ) on the plug pin ( 2 ) and/or on the plug socket ( 3 ).
13. The high-current plug connection as claimed in claim 1 , furthermore comprising a flexible connection element ( 6 ) by means of which the plug pin ( 2 ) is connectable to the first line ( 11 ) and/or by means of which the plug socket ( 3 ) is connectable to the second line ( 12 ).
14. A vehicle assembly comprising a high-current plug connection ( 1 ) as claimed in claim 1 , configured to provide an electrical plug connection between an inverter and an electric machine or an electrical energy store.
15. A vehicle comprising an electric machine configured to drive the vehicle and comprising an inverter, wherein a high-current plug connection ( 1 ) as claimed in claim 1 provides an electrical plug connection between the electric machine and the inverter.
16. A high-current plug connection ( 1 ) for an electrical connection between a first line ( 11 ) and a second line ( 12 ), comprising:
a plug pin ( 2 ) which is connectable to the first line ( 11 ),
a plug socket ( 3 ) which is connectable to the second line ( 12 ),
a contact cage ( 4 ) which is arranged between the plug pin ( 2 ) and the plug socket ( 3 ) and which is configured to produce electrical contact between the plug pin ( 2 ) and the plug socket, and
a spring element ( 5 ) which exerts a preload (F) in an axial direction (X-X) of the high-current plug connection,
wherein the contact cage ( 4 ) has a cylindrical base body ( 43 ) and a multiplicity of contact tongues ( 40 ), wherein the contact tongues are in contact substantially in a radial direction of the high-current plug connection ( 1 ) with the plug pin ( 2 ) and the plug socket ( 3 ), and
wherein the contact tongues ( 40 ) form a cylindrical casing element or wherein the contact tongues ( 40 ) form a conical casing element.
17. A high-current plug connection ( 1 ) for an electrical connection between a first line ( 11 ) and a second line ( 12 ), comprising:
a plug pin ( 2 ) which is connectable to the first line ( 11 ),
a plug socket ( 3 ) which is connectable to the second line ( 12 ),
a contact cage ( 4 ) which is arranged between the plug pin ( 2 ) and the plug socket ( 3 ) and which is configured to produce electrical contact between the plug pin ( 2 ) and the plug socket, and
a spring element ( 5 ) which exerts a preload (F) in an axial direction (X-X) of the high-current plug connection,
wherein the plug pin ( 2 ) has, at an end side ( 22 ), an insulating element ( 10 ).
18. A high-current plug connection ( 1 ) for an electrical connection between a first line ( 11 ) and a second line ( 12 ), comprising:
a plug pin ( 2 ) which is connectable to the first line ( 11 ),
a plug socket ( 3 ) which is connectable to the second line ( 12 ),
a contact cage ( 4 ) which is arranged between the plug pin ( 2 ) and the plug socket ( 3 ) and which is configured to produce electrical contact between the plug pin ( 2 ) and the plug socket,
a spring element ( 5 ) which exerts a preload (F) in an axial direction (X-X) of the high-current plug connection, and
a cooling element ( 15 ) which is arranged with an insulation foil ( 50 ) on the plug pin ( 2 ) and/or on the plug socket ( 3 ).
19. A vehicle comprising an electric machine configured to drive the vehicle and comprising an inverter, wherein a high-current plug connection ( 1 ) provides an electrical plug connection between the electric machine and the inverter, the high-current plug connection ( 1 ) for an electrical connection between a first line ( 11 ) and a second line ( 12 ), comprising:
a plug pin ( 2 ) which is connectable to the first line ( 11 ),
a plug socket ( 3 ) which is connectable to the second line ( 12 ),
a contact cage ( 4 ) which is arranged between the plug pin ( 2 ) and the plug socket ( 3 ) and which is configured to produce electrical contact between the plug pin ( 2 ) and the plug socket, and
a spring element ( 5 ) which exerts a preload (F) in an axial direction (X-X) of the high-current plug connection.