Electrical connection assembly and electrical apparatus
An electrical connection assembly includes a circuit board and a connector mounted on the circuit board. The connector has a housing and a contact received in the housing. The contact has an elastic arm extending out from a surface of the housing and a connection pin extending out from a side face of the housing. The elastic arm electrically contacts an electrical contact pad on a moving bracket and the connection pin electrically contacts the circuit board.
1. An electrical connection assembly, comprising:
a circuit board;
a plurality of connectors mounted on the circuit board and separated from each other in a first direction, each connector has a housing and a contact received in the housing, the contact has an elastic arm extending out from a surface of the housing and a connection pin extending out from a side face of the housing contacting the circuit board, the surface of the housing being perpendicular to the circuit board and the side face of the housing being parallel to the circuit board; and
a plurality of moving brackets, each moving bracket including an electrical contact pad, the elastic arm of each contact electrically contacts the electrical contact pad on a respective moving bracket.
2. The electrical connection assembly of claim 1 , wherein the plurality of connectors are arranged in a column on the circuit board along the first direction.
3. The electrical connection assembly of claim 1 , wherein the first direction is parallel to the circuit board and perpendicular to the surface of the housing.
4. The electrical connection assembly of claim 1 , wherein the connector is a power supply connector and the contact is one of a pair of contacts of the connector.
5. The electrical connection assembly of claim 3 , wherein the moving bracket has a pair of electrical contact pads on a surface of the moving bracket, the electrical contact pads are a pair of electrode terminals of an electrical load mounted on the moving bracket.
6. The electrical connection assembly of claim 4 , wherein the elastic arm of each of the pair of contacts electrically contacts one of the electrical contact pads of the moving bracket, connecting the electrical load to the circuit board to power the electrical load.
7. The electrical connection assembly of claim 1 , wherein the housing has a chamber receiving the contact.
8. The electrical connection assembly of claim 7 , wherein the contact has a base plate, the elastic arm is connected to an end of the base plate and the connection pin is connected to a side of the base plate.
9. The electrical connection assembly of claim 8 , wherein the contact has a pair of side wings connected to a pair of sides of the base plate, the chamber has a pair of slots corresponding to the side wings formed in a pair of inner sidewalls of the chamber, each of the side wings is inserted into one of the slots in an interference fit to fix the contact in the housing.
10. The electrical connection assembly of claim 8 , wherein the housing has a positioning slot corresponding to the connection pin, the connection pin passes through the positioning slot and is positioned in the positioning slot.
11. The electrical connection assembly of claim 1 , wherein the circuit board has a hole corresponding to the connection pin, the connection pin is inserted into the hole and soldered to the circuit board.
12. The electrical connection assembly of claim 1 , wherein the side face of the housing defines a positioning post, the positioning post is inserted into a positioning hole formed in the circuit board in an interference fit to fix the housing to the circuit board.
13. The electrical connection assembly of claim 1 , wherein the elastic arm has an arc contact portion protruding outward, the arc contact portion electrically contacts the electrical contact pad.
14. An electrical apparatus, comprising:
a plurality of moving shelves adapted to be inserted into the electrical apparatus in a horizontal direction;
an electrical load mounted on each moving shelf, the electrical load has an electrical contact pad formed on a surface of the moving shelf and serving as an electrode terminal of the electrical load; and
an electrical connection assembly fixed in the electrical apparatus, the electrical connection assembly including a circuit board mounted vertically in the apparatus and a plurality of connectors mounted on the circuit board and separated from each other in a vertical direction, each connector has a housing and a contact received in the housing, the contact has an elastic arm extending out from a surface of the housing and a connection pin extending out from a side face of the housing, the connection pin electrically contacts the circuit board, the elastic arm electrically contacts the electrical contact pad of a respective moving shelf when the moving shelf is inserted into the electrical apparatus.
15. The electrical apparatus of claim 14 , wherein the electrical load is an LED lamp embedded in the moving bracket.
16. The electrical apparatus of claim 14 , wherein the electrical apparatus is a refrigerator and the moving shelf is a moving shelf of the refrigerator for placing objects thereon.