JP3152838U - Electrical connector - Google Patents

Abstract

An electrical connector having a circuit protection element capable of preventing ESD to a circuit on a circuit board and saving space on the circuit board, which can be mounted on the circuit board. An insulating housing, a contact portion, and a plurality of conductive terminals having a first connecting portion protruding from the insulating housing and connected to a circuit board. A recess and a holding member formed around the recess are formed in the insulating housing. The circuit protection element is held by the holding member in the recess, and the circuit protection element is provided with an insulating main body portion held by the recess and a plurality of conductive pads. The conductive terminal is provided with a second connection portion that contacts and is connected to each of the plurality of conductive pads. [Selection] Figure 4

Description

  The present invention relates to an electrical connector, and more particularly to an electrical connector for conductively connecting a mating connector and a circuit on a circuit board.

  As shown in Patent Document 1, a conventional electrical connector includes an insulating housing, a plurality of conductive terminals attached to the insulating housing, and a shield shell that surrounds the insulating housing, and the insulating housing and the shield shell. Thus, an insertion space for inserting the mating connector is formed. By mounting the electrical connector on the circuit board and fitting the mating connector into the insertion space of the electrical connector, conductive connection between the mating connector and the circuit on the circuit board can be achieved.

Taiwan Utility Model Notice No. M291103 Specification

  When inserting the mating connector into the electrical connector, the human body may contact the electrical connector or the conductive terminal. If the human body is charged, electrostatic discharge (ESD) may occur when it comes into contact with the electrical connector or the conductive terminal, and the semiconductor elements inside the circuit on the circuit board may be destroyed. . In order to prevent this ESD damage, it is necessary to provide a protection circuit such as a protection diode between the electrical connector and the internal circuit so that current due to ESD does not flow to the internal circuit. If a protective circuit is provided between the electrical connector and the internal circuit on the circuit board as described above, there are problems such as high cost and a space for storing the protective circuit on the circuit board. It was. Therefore, it is necessary to develop a new electrical connector.

  The present invention has been made to solve the above problems, and has a circuit protection element capable of preventing ESD to a circuit on a circuit board, and can save space on the circuit board. An object is to provide an electrical connector that can be mounted.

  In order to solve the above problems, the present invention provides an insulating housing, a contact portion, and a plurality of first mounting portions protruding from the insulating housing and connected to a circuit board. In the electrical connector including the conductive terminal, a concave portion and a holding member formed around the concave portion are formed in the insulating housing, and a circuit protection element is disposed in the concave portion of the insulating housing. The holding member is held in the recess, and the circuit protection element is provided with an insulating main body held in the recess and a plurality of conductive pads, and the conductive terminal is provided on each of the plurality of conductive pads. An electrical connector is provided, characterized in that a second connection portion that contacts and is connected is provided.

  In the electrical connector of the present invention, a circuit protection element capable of preventing ESD to the circuit on the circuit board is disposed, so that the circuit board space can be saved and the circuit board line design is simplified.

1 is an assembled perspective view of an electrical connector according to the present invention. It is a disassembled perspective view of the electrical connector which concerns on this invention. It is the disassembled perspective view which looked at the electrical connector shown in FIG. 2 from the other angle. It is an assembly perspective view of the 2nd housing of an electrical connector concerning the present invention, a circuit protection element, and a conductive terminal. FIG. 5 is an exploded perspective view of a second housing, a circuit protection element, and a conductive terminal of the electrical connector shown in FIG. 4. It is sectional drawing which follows the AA line of the electrical connector shown in FIG.

  Hereinafter, a preferred embodiment of the electrical connector 100 of the present invention will be described with reference to FIGS. The electrical connector 100 of the present invention is mounted on a circuit board (not shown) and can be mated with a mating connector. The insulating housing 10, a plurality of conductive terminals 20 attached to the insulating housing 10, and the insulating housing 10. And a circuit protection element 30 that is held by the insulating housing 10 and that can prevent ESD to a circuit on the circuit board.

  The insulating housing 10 includes a separable first housing 11 and a second housing 12 assembled to the first housing 11. The first housing 11 is provided with a main body 110 and a support tongue 111 extending forward from the tip of the main body 110, and the main body 110 has a receiving space for receiving the second housing 12. 112 is formed.

  Referring to FIGS. 1 to 6, the second housing 12 is held in a receiving space 112 of the first housing 11, and a recess 120 is formed in the middle of the second housing. The second housing 12 includes a plurality of engaging portions 121 that project into the concave portion 120 and sandwich both end portions of the circuit protection element 30, and a support portion 122 that is supported by the middle portion of the circuit protection element 30. A holding member (no reference symbol) is provided.

  4 to 6, the plurality of conductive terminals 20 are held in the insulating housing 10 by insert molding. The conductive terminal 20 includes separate first terminals 22 and 23 and integral second terminals 21 and 24, and each conductive terminal 20 is insulated from the contact portion 201 positioned on the support tongue 111. A second connection portion 202 located inside the housing 10 and a first connection portion 203 protruding from the insulating housing 10 are included. The separated first terminals 22 and 23 each have two second connecting parts 202 to be separated, and the integrated second terminals 21 and 24 connect the contact part 201 and the first connecting part 203. One second connection part 202 is provided. The second connecting portion 202 of the conductive terminal 20 and the engaging portion 121 of the insulating housing 10 are respectively disposed on both sides of the circuit protection element 30.

  The circuit protection element 30 is an IC module that can prevent ESD to a circuit on a circuit board, and includes an insulating main body 31 and a plurality of conductive pads 32. The circuit protection element 30 is accommodated in the recess 120 of the second housing 12, and the plurality of engaging portions 121 are held in the recess 120 by sandwiching both ends of the insulating main body 31. Since the second connection portion 202 of the conductive terminal 20 has an arc shape, it is in point contact with the conductive pad 32 of the circuit protection element 30. All the second connection parts 202 and the support part 122 of the insulating housing 10 are located on the same side of the circuit protection element 30.

  In the electrical connector 100 of the present invention, the circuit protection element 30 capable of preventing ESD to the circuit on the circuit board is disposed, so that the circuit board space can be saved and the circuit board line design is simplified.

  As mentioned above, although this invention was demonstrated in detail with reference to the best embodiment, embodiment is only an illustration to the last and is not limited to these. Further, any modification or change of details that can be made based on the present invention shall fall within the scope of the claims of the present invention.

DESCRIPTION OF SYMBOLS 10 Insulation housing 100 Electrical connector 11 1st housing 110 Main part 111 Supporting tongue part 112 Housing space 12 2nd housing 120 Recessed part 121 Engagement part 122 Support part 20 Conductive terminal 201 Contact part 202 2nd connection part 203 1st connection part
21, 24 Second terminal 22, 23 First terminal 30 Circuit protection element 31 Insulating body part 32 Conductive pad 40 Metal shell

Claims (5)

An insulating housing;
A plurality of conductive terminals mounted on the insulating housing, having a contact portion and a first connecting portion protruding from the insulating housing and connected to a circuit board;
In electrical connectors including
A concave portion and a holding member formed around the concave portion are formed in the insulating housing,
A circuit protection element is disposed in the recess of the insulating housing, and the circuit protection element is held in the recess by the holding member;
The circuit protection element is provided with an insulating main body held by the recess and a plurality of conductive pads,
The electrical connector, wherein the conductive terminal is provided with a second connection portion that contacts and is connected to each of the plurality of conductive pads.   The holding member includes an engaging portion that sandwiches both end portions of the insulating main body portion of the circuit protection element, and a support portion that is positioned inside the recess, and the engaging portion and the support portion are configured to protect the circuit. The electrical connector according to claim 1, wherein the electrical connector is disposed on each side of the insulating main body portion of the element.   3. The electrical connector according to claim 2, wherein the second connection portion of the conductive terminal has an arc shape and makes point contact with the conductive pad of the circuit protection element.   2. The electric device according to claim 1, wherein the insulating housing includes a separable first housing and a second housing, and a recess for receiving the circuit protection element is provided in the second housing. connector.   The plurality of conductive terminals include a separate first terminal having two second connection portions, and an integrated second terminal having one second connection portion. Electrical connector as described.

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