Connecting means between two parts of a bus bar
View Patent ↗A connection that provides an electrical junction between a first portion of an electrically conducting bus bar and a second portion of the bus bar includes a male portion to be secured to the first portion of the bus bar and a female portion to be secured to the second portion of the bus bar. The male portion and the female portion are able to fit into one another respectively by following a first translational movement of the female portion relative to the male portion along a first axis, followed by a second rotational movement of the female portion relative to the male portion about a second axis perpendicular to the first axis.
1. A connection that provides an electrical junction between a first part of an electrical conduction bus bar and a second part of said bus bar, said connection comprising:
a male part configured to be rigidly attached to the first part of the bus bar, and
a female part configured to be rigidly attached to the second part of the bus bar,
the male part and the female part being configured to fit into one another respectively following:
a first translational movement of the female part relative to the male part along a first axis, followed by;
a second rotational movement of the female part relative to the male part about a second axis perpendicular to the first axis.
2. The connection as claimed in claim 1 , wherein the second rotational movement is a rotation of a quarter of a turn.
3. The connection as claimed in claim 1 , wherein the male part comprises a first electrical conduction element, and
the female part comprises a second electrical conduction element configured to progressively come into contact with the first conduction element throughout the first and second movements.
4. The connection as claimed in claim 1 , wherein the male part comprises a first electrical conduction element in the form of a rectangular plate, and
the female part comprises a second electrical conduction element in the form of a yoke having two parallel wings configured to come progressively into contact with two opposing faces of the plate throughout the first and second movements.
5. The connection as claimed in claim 4 , wherein, following the first and second movements, the two opposing faces of the plate each have a contact area equal to at least four times a right cross-sectional area of a first part or of a second part of said bus bar, and
the two wings of the yoke each have a contact area in contact with one of the two opposing faces of the plate, the contact area being equal to at least four times the right cross-sectional area of a first part or of a second part of said bus bar.
6. The connection as claimed in claim 1 , wherein the male part comprises a first immobilizing element for the female part, and
the female part comprises a second immobilizing element configured to cooperate with the first immobilizing element.
7. The connection as claimed in claim 1 , wherein the male part comprises a first immobilizing element for the female part, and the first immobilizing element including a slot, and
the female part comprises a second immobilizing element including a pin, the pin being blocked within the slot after the first and second movements.
8. The connection as claimed in claim 7 , wherein the male part comprises an element for insertion of the second immobilizing element of the female part, the element for insertion including a notch coming out at the slot.
9. The connection as claimed in claim 1 , wherein the male part comprises an end stop for end of travel in rotation, the end stop coming into contact with the female part following the first and second movements.
10. A bus bar for electrical conduction between modules of a battery, the bus bar comprising:
the first part, and
the second part, and
the connection as claimed in claim 1 between the first and the second part.
11. A battery, comprising:
at least one of the bus bar as claimed in claim 10 .
12. A hybrid automobile or electric vehicle, comprising:
the battery as claimed in claim 11 .
13. A hybrid automobile or electric vehicle, comprising:
at least one of the bus bar as claimed in claim 10 .
14. A method for assembling the bus bar as claimed in claim 10 , comprising:
supplying the first part of the bus bar comprising the male part and the second part of the bus bar comprising the female part,
after the supplying, engaging the male part into the female part by following the first translational movement of the female part relative to the male part in a main plane containing a main longitudinal axis of the bus bar in a final connected position, and
after the engaging, blocking the female part with the male part by following the second rotational movement of the female part with respect to the male part about or substantially about a second axis perpendicular to the main plane.
15. The method as claimed in claim 14 , wherein the second rotational movement is a rotation of a quarter of a turn.
16. The method as claimed in claim 14 , wherein the engaging comprises an insertion phase during which a second immobilizing element of the female part is inserted into an insertion element of the male part.
17. The method as claimed in claim 14 , wherein the engaging comprises an insertion phase during which a pin of the female part is inserted into a notch of the male part.
18. The method as claimed in claim 14 , wherein the blocking comprises an end of travel in rotation of the female part against an end of travel means arranged on the male part such that a second immobilizing element of the female part is pushed back into a first immobilizing element of the male part.
19. The method as claimed in claim 14 , wherein the blocking comprises an end of travel in rotation of the female part against an end stop arranged on the male part such that a second immobilizing element of the female part is pushed back into a slot of the male part.