Arrangement for making electrical contact, and current connector
An arrangement for electrical contacting of a current connector ( 3 ) with a circuit arrangement ( 1 ) is provided. The current connector ( 3 ) includes at least one contact spring wire ( 5, 6 ) with an end contact ( 5 a, 6 a ), which is configured for spring-loading, and the circuit arrangement ( 1 ) includes at least one contact point. The end contact ( 5 a, 6 a ) and the contact point each form a spring pressure contact, and the end contact ( 5 a, 6 a ) of the contact spring wire ( 5, 6 ) is configured as a bracket with an outer contact surface and at least one cutting edge arranged proximate the contact surface, which is engaged with the contact point.
1. An arrangement for making electrical contact between a current connector ( 3 ) and a circuit arrangement ( 1 ), the current connector ( 3 ) comprising a contact spring wire ( 5 , 6 , 15 , 25 , 35 ) with a spring-loadable end contact ( 5 a , 6 a , 15 a , 25 a , 35 a ), the circuit arrangement ( 1 ) comprising a contact point ( 17 , 27 , 37 ),
wherein the end contact ( 5 a , 6 a , 15 a , 25 a , 35 a ) of the contact spring wire ( 5 , 6 , 15 , 25 , 35 ) and the contact point ( 17 , 27 , 37 ) of the circuit arrangement ( 1 ) form a spring pressure contact, and
wherein the end contact ( 5 a , 6 a , 15 a , 25 a , 35 a ) of the contact spring wire ( 5 , 6 , 15 , 25 , 35 ) is configured as a bracket with an outer contact surface and at least one cutting edge (k, b 1 , b 2 , c), the at least one cutting edge (k, b 1 , b 2 , c) is arranged proximate the outer contact surface, and the at least one cutting edge (k, b 1 , b 2 , c) engaged with the contact point ( 17 , 27 , 37 ) of the circuit arrangement ( 1 ).
2. The arrangement of claim 1 , wherein the contact point of the of the circuit arrangement ( 1 ) is configured as a contact element ( 17 , 27 , 37 ) electrically conductively connected with the circuit arrangement ( 1 ) via an integral bond.
3. The arrangement of claim 1 , wherein the contact spring wire comprises a wire ( 5 , 35 ) with a round profile.
4. The arrangement of claim 1 , wherein the contact spring wire ( 15 , 25 ) comprises a wire with a square profile (A, B).
5. The arrangement of claim 4 , wherein the at least one cutting edge of the square profile (A, B) comprises a plurality of cutting edges (b 1 , b 2 , k).
6. The arrangement of claim 5 , wherein the plurality of cutting edges (k) are shaped, in a cross-section, as tips (K), and a respective concave surface (a) is formed between each pair of adjacent tips (K).
7. The arrangement of claim 1 , wherein the contact spring wire ( 5 , 6 , 15 , 25 , 35 ) is formed with stainless steel.
8. The arrangement of claim 7 , wherein the stainless steel wire is sheathed with copper alloy.
9. The arrangement of claim 1 , wherein the contact spring wire ( 5 , 6 , 15 , 25 , 35 ) is formed with copper alloy.
10. The arrangement of claim 1 , wherein the at least one cutting edge comprises two stamped cutting edges (b 1 , b 2 ) arranged proximate the contact surface ( 27 ).
11. The arrangement of claim 10 , wherein the stamped cutting edges (b 1 , b 2 , c) are crescent shaped.
12. A current connector for establishing an electrical connection between a circuit arrangement ( 1 ) and a solenoid valve ( 2 ), comprising a housing ( 4 ) with two contact spring wires ( 5 , 6 ), each of the contact spring wires ( 5 , 6 ) comprising an end contact ( 5 a , 6 a ) having a bracket shape,
wherein a plurality of cutting edges (b 1 , b 2 , c) are arranged proximate the end contacts ( 5 a , 6 a ), and
wherein the cutting edges (b 1 , b 2 , c) are integrally formed on the contact spring wires ( 25 , 35 ) by shaping the contact spring wires ( 25 , 35 ) proximate the end contacts ( 25 a , 35 a ).
13. The current connector of claim 12 , wherein the cutting edges (b 1 , b 2 , c) are crescent shaped.