Battery system and method of producing an electrically conductive connection between a cell connector and an electronic unit of a battery system
A battery system and a method for producing an electrically conductive connection in a battery system. The battery system includes a plurality of cells arranged in at least one stack, a cell connector to connect a pole of a first cell in an electrically conductive manner to a pole of a second cell, an electronic unit to detect the voltage of the cells, a first pin arranged on the cell connector, at least one second pin arranged on the electronic unit; and a conductor to connect the first pin in an electrically conductive manner to the second pin, the conductor having at least one flexible section, a first contact element connected in an electrically conductive manner to a first end of the flexible section and also to the first pin, and a second contact element connected in an electrically conductive manner to a second end of the flexible section and also to the second pin.
1. A battery system comprising:
a plurality of cells arranged in a row;
a cell connector electrically connecting a pole of a first cell from among the cells to a pole of a second cell from among the cells;
an electronic unit to detect the voltage of the cells;
a first pin protruding from the cell connector;
a second pin protruding from the electronic unit; and
a conductor electrically connecting the first pin to the second pin, the conductor comprising:
a flexible section;
a first contact element electrically connected to a first end of the flexible section and to the first pin; and
a second contact element electrically connected to a second end of the flexible section and to the second pin.
2. The battery system of claim 1 , wherein the first contact element comprises a first sleeve to encompass at least one section of the first pin.
3. The battery system of claim 2 , wherein the first sleeve is mechanically connected to the first pin.
4. The battery system of claim 3 , wherein the mechanical connection comprises a weld.
5. The battery system of claim 1 , wherein the first contact element is connected to the first end of the flexible section by way of a crimp connection.
6. The battery system of claim 1 , wherein the second contact element comprises a second sleeve to surround at least a portion of the second pin.
7. The battery system of claim 6 , wherein the second sleeve is mechanically connected to the second pin.
8. The battery system of claim 7 , wherein the mechanical connection comprises a weld.
9. The battery system of claim 1 , wherein the second contact element is connected to the second end of the flexible section by way of a crimp connection.
10. The battery system of claim 2 , wherein at least a portion of the first sleeve has a conical shape.
11. The battery system of claim 6 , wherein at least a portion of the second sleeve has a conical shape.
12. The battery system of claim 2 , wherein the second contact element comprises a second sleeve to surround at least a portion of the second pin, and
wherein at least portions of each of the first sleeve and the second sleeve have a conical shape.
13. A method for producing an electrically conductive connection, the method comprising:
providing a battery system comprising:
a plurality of cells;
a cell connector being electrically connected to at least two of the cells, the cell connector comprising a first pin protruding from the cell connector;
an electronic unit comprising a second pin; and
and a conductor comprising a flexible section, a first contact element, and a second contact element, the conductor electrically connecting the cell connector and the electronic unit;
inserting a first sleeve of the first contact element onto the first pin to establish an electrical connection between the first sleeve and the first pin; and
inserting a second sleeve of the second contact element onto the second pin to establish an electrical connection between the second sleeve and the second pin.
14. The method of claim 13 , further comprising routing the conductor from the first pin to the second pin.
15. The method of claim 13 , further comprising routing the conductor from the second pin to the first pin.
16. The method of claim 13 , further comprising producing a crimp connection between the first contact element and a first end of the flexible section.
17. The method of claim 13 , further comprising producing a crimp connection between the second contact element and a second end of the flexible section.
18. The method of claim 13 , further comprising cutting the flexible section to length.