Electrified vehicle connector assembly with integrated noise suppression
An electrical connector for a vehicle provides integrated noise suppression and includes a housing having openings at both ends, conductors extending through the openings, a magnetic ring surrounding but spaced from the conductors, capacitors spaced from the magnetic ring and coupled to the conductors, and insulating filler disposed within the housing and contacting the magnetic ring and the capacitors.
1. A vehicle electrical connector, comprising:
a housing having openings at both ends;
conductors extending through the openings;
a magnetic ring surrounding but spaced from the conductors;
capacitors spaced from the magnetic ring and coupled to the conductors; and
insulating filler disposed within the housing and contacting the magnetic ring and the capacitors.
2. The vehicle electric connector of claim 1 , wherein the capacitors each have a first end in contact with a respective one of the conductors and a second end in contact with the housing.
3. The vehicle electric connector of claim 1 , wherein the insulating filler comprises a resin.
4. The vehicle electrical connector of claim 3 , wherein the resin comprises at least one of an epoxy resin, a polyphenylene sulfide resin, a polyimide resin, a polyether ether ketone resin, and a polysulfone resin.
5. The vehicle electrical connector of claim 1 , wherein the magnetic ring is spaced from the housing and supported on an insulating skeleton located within the housing, and wherein the insulating filler contacts the insulating skeleton.
6. The vehicle electrical connector of claim 1 , wherein one side of each of the conductors extending out of the housing forms a first group of connection terminals configured to connect to a vehicle high voltage bus, and the other side of the conductors extending out of the housing forms a second group of connection terminals configured to connect to a vehicle battery pack.
7. The vehicle electrical connector of claim 1 , wherein the conductors comprise a positive conductor and a negative conductor, and the capacitors comprise a first capacitor and a second capacitor, wherein the first capacitor has a first terminal electrically coupled to the positive conductor and a second terminal electrically coupled to the housing, and the second capacitor has a first terminal electrically coupled to the negative conductor and a second terminal electrically coupled to the housing.
8. The vehicle electrical connector of claim 1 , wherein the housing has a circumferential wall and a bottom wall connected to the circumferential wall, the circumferential wall has a flange portion extending therefrom that contacts a component when connected to the vehicle electrical connector, and the housing covers the magnetic ring, the capacitors, and a middle portion of the conductors.
9. The vehicle electrical connector of claim 8 , wherein the flange portion includes a groove, and the vehicle electrical connector further includes a sealing ring located within the groove.
10. The vehicle electrical connector of claim 1 , wherein the capacitors have a first end connected to respective ones of the conductors by a first fastener and a second end connected to the housing by a second fastener, wherein the insulating filler covers the magnetic ring, and at least a portion of the first fastener and the second fastener.
11. The vehicle electric connector of claim 10 , wherein the insulating filler covers free ends of the first fastener and the second fastener.
12. The vehicle electrical connector of claim 1 , wherein the insulating filler covers the magnetic ring and the capacitors.
13. The vehicle electrical connector of claim 1 , wherein the conductors comprise a positive conductor and a negative conductor, wherein a first lug for connecting a first capacitor extends on the positive conductor in a first direction, and wherein a second lug for connecting a second capacitor extends on the negative conductor in a second direction opposite to the first direction.
14. The vehicle electrical connector of claim 1 , wherein the housing is formed of an electrically conductive material.
15. An electrified vehicle comprising the vehicle electrical connector of claim 1 .
16. A method for forming a vehicle electrical connector, comprising:
providing a housing having a circumferential wall and openings at both ends and conductors passing through the openings;
providing an insulating skeleton within the housing;
providing a magnetic ring on the insulating skeleton;
providing capacitors coupled to the conductors and spaced from the magnetic ring; and
providing an insulating filler to cover the magnetic ring and at least a portion of the capacitors.
17. The method of claim 16 , wherein the method further comprises curing the insulating filler to secure the magnetic ring and at least a portion of the capacitors to the housing.
18. The method of claim 16 , wherein the insulating filler is provided so that the insulating skeleton is at least partially melted and integrally formed with the insulating filler, thereby securing the magnetic ring in a predetermined position spaced from both a battery pack housing and the conductors.
19. The method of claim 16 , wherein the capacitors comprise a first capacitor and a second capacitor, each of the first capacitor and the second capacitor being connected to the conductors and the housing.
20. An electrified vehicle, comprising:
a traction battery;
an electric machine;
an electric bus electrically coupling the traction battery and the electric machine; and
an electrical connector connecting the traction battery to the electric bus, wherein the electrical connector comprises:
a housing having openings at both ends;
conductors extending through the openings;
a magnetic ring surrounding but spaced from the conductors;
capacitors spaced from the magnetic ring and coupled to the conductors and the housing; and
insulating filler disposed within the housing and contacting the magnetic ring and the capacitors.