Connector including circuit protection component and thermal conductor

Patent metadata

Field	Value
Publication number	US-10256575-B2
Application number	US-201715697166-A
Country	US
Kind code	B2
Filing date	Sep 6, 2017
Priority date	Sep 8, 2016
Publication date	Apr 9, 2019
Grant date	Apr 9, 2019

Abstract

A connector includes a housing body, a shield shell that externally covers the housing body, a first connection terminal that is housed in the housing body, electrically connected to a first wire in the housing body, and electrically connected to a counterpart terminal when the connector is connected to a counterpart connector, and a circuit protection component that is interposed, in the housing body, between the first connection terminal and the first wire, and connects the first connection terminal and the first wire in series to protect a circuit. The housing body includes at least one thermal conductor that performs thermal conduction with the circuit protection component by being in contact with the circuit protection component.

First claim

What is claimed is:

1. A connector comprising:
a housing body;
a shield shell that externally covers the housing body;
a connection terminal that is housed in the housing body, the connection terminal being electrically connected to a wire in the housing body, and electrically connected to a counterpart terminal when the connector is connected to a counterpart connector; and
a circuit protection component that is interposed, in the housing body, between the connection terminal and the wire, and connects the connection terminal and the wire in series to protect a circuit, wherein
the housing body includes an inner wall, and at least one thermal conductor that projects away from the inner wall and terminates at a free end, the thermal conductor contacts the circuit protection component, and the thermal conductor is configured to perform thermal conduction with the circuit protection component.

2. The connector according to claim 1 , wherein
the thermal conductor includes at least one elastic piece that is bent when the elastic piece is in contact with the circuit protection component.

3. The connector according to claim 2 , further comprising:
a first coupling conductor that electrically couples the circuit protection component to the connection terminal; and
a second coupling conductor that electrically couples the circuit protection component to the wire, wherein
the circuit protection component includes a main body including a circuit protector, a first conductor that is electrically connected to the circuit protector and electrically connected to the first coupling conductor, and a second conductor that is electrically connected to the circuit protector and electrically connected to the second coupling conductor, and
the thermal conductor is formed such that the thermal conductor is capable of receiving heat of at least one of the first and the second conductors.

4. The connector according to claim 3 , wherein
the circuit protection component is a fuse.

5. The connector according to claim 2 , wherein
the circuit protection component is a fuse.

6. The connector according to claim 1 , further comprising:
a first coupling conductor that electrically couples the circuit protection component to the connection terminal; and
a second coupling conductor that electrically couples the circuit protection component to the wire, wherein
the circuit protection component includes a main body including a circuit protector, a first conductor that is electrically connected to the circuit protector and electrically connected to the first coupling conductor, and a second conductor that is electrically connected to the circuit protector and electrically connected to the second coupling conductor, and
the thermal conductor is formed such that the thermal conductor is capable of receiving heat of at least one of the first and the second conductors.

7. The connector according to claim 6 , wherein
the circuit protection component is a fuse.

8. The connector according to claim 1 , wherein
the circuit protection component is a fuse.

9. A connector comprising:
a housing body;
a shield shell that externally covers the housing body;
a connection terminal that is housed in the housing body, the connection terminal being electrically connected to a wire in the housing body, and electrically connected to a counterpart terminal when the connector is connected to a counterpart connector; and
a circuit protection component that is interposed, in the housing body, between the connection terminal and the wire, and connects the connection terminal and the wire in series to protect a circuit, wherein
the housing body includes at least one thermal conductor that performs thermal conduction with the circuit protection component by being in contact with the circuit protection component, and the connector further comprising:
a first coupling conductor that electrically couples the circuit protection component to the connection terminal; and
a second coupling conductor that electrically couples the circuit protection component to the wire, wherein
the circuit protection component includes a main body including a circuit protector, a first conductor that is electrically connected to the circuit protector, a second conductor that is electrically connected to the circuit protector, a first coupling portion that is electrically connected to the first conductor and the first coupling conductor, and a second coupling portion that is electrically connected to the second conductor and the second coupling conductor, and
the thermal conductor includes a first thermal conductor to which heat of the first conductor is conducted, a second thermal conductor to which heat of the second conductor is conducted, a third thermal conductor to which heat of the first coupling portion is conducted, and a fourth thermal conductor to which heat of the second coupling portion is conducted.

10. The connector according to claim 9 , further comprising:
a terminal side joining member that joins the first coupling conductor to the first coupling portion; and
a wire side joining member that joins the second coupling conductor to the second coupling portion, wherein
the first thermal conductor is in contact with the first conductor,
the second thermal conductor is in contact with the second conductor,
the third thermal conductor is in contact with the terminal side joining member, and
the fourth thermal conductor is in contact with the wire side joining member.

11. The connector according to claim 10 , wherein
the circuit protection component is a fuse.

12. The connector according to claim 9 , wherein
the circuit protection component is a fuse.

13. A connector comprising:
a housing body;
a shield shell that externally covers the housing body;
a connection terminal that is housed in the housing body, the connection terminal being electrically connected to a wire in the housing body, and electrically connected to a counterpart terminal when the connector is connected to a counterpart connector; and
a circuit protection component that is interposed, in the housing body, between the connection terminal and the wire, and connects the connection terminal and the wire in series to protect a circuit, wherein
the housing body includes at least one thermal conductor that performs thermal conduction with the circuit protection component by being in contact with the circuit protection component, and
the thermal conductor includes at least one elastic piece that is bent when the elastic piece is in contact with the circuit protection component, and the connector further comprising:
a first coupling conductor that electrically couples the circuit protection component to the connection terminal; and
a second coupling conductor that electrically couples the circuit protection component to the wire, wherein
the circuit protection component includes a main body including a circuit protector, a first conductor that is electrically connected to the circuit protector, a second conductor that is electrically connected to the circuit protector, a first coupling portion that is electrically connected to the first conductor and the first coupling conductor, and a second coupling portion that is electrically connected to the second conductor and the second coupling conductor, and
the thermal conductor includes a first thermal conductor to which heat of the first conductor is conducted, a second thermal conductor to which heat of the second conductor is conducted, a third thermal conductor to which heat of the first coupling portion is conducted, and a fourth thermal conductor to which heat

Assignees

• Yazaki Corp

Inventors

• Kato Hajime
• Yokoyama Haruhiko
• Miyajima Takaaki

Classifications

• H01R13/6666

  with built-in overvoltage protection · CPC title

• H01R13/688

  with housing part adapted for accessing the fuse · CPC title

• H01R13/6588

  with through openings for individual contacts · CPC title

• H01R13/68

  with built-in fuse · CPC title

• H01H85/47 Primary

  Means for cooling · CPC title