KR101780980B1 - Electrical connector - Google Patents

Electrical connector Download PDF

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Publication number
KR101780980B1
KR101780980B1 KR1020160014928A KR20160014928A KR101780980B1 KR 101780980 B1 KR101780980 B1 KR 101780980B1 KR 1020160014928 A KR1020160014928 A KR 1020160014928A KR 20160014928 A KR20160014928 A KR 20160014928A KR 101780980 B1 KR101780980 B1 KR 101780980B1
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KR
South Korea
Prior art keywords
shielding
circuit board
shield
shell
chamber
Prior art date
Application number
KR1020160014928A
Other languages
Korean (ko)
Other versions
KR20170093481A (en
Inventor
한상근
Original Assignee
주식회사 씨엔플러스
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 씨엔플러스 filed Critical 주식회사 씨엔플러스
Priority to KR1020160014928A priority Critical patent/KR101780980B1/en
Publication of KR20170093481A publication Critical patent/KR20170093481A/en
Application granted granted Critical
Publication of KR101780980B1 publication Critical patent/KR101780980B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
    • H01R13/6587—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules for mounting on PCBs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2107/00—Four or more poles

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The present invention relates to an electric connector capable of maximizing the electromagnetic wave shielding effect by additionally providing a shield pin and / or an auxiliary shield for electromagnetic shielding in a shielding shell. The electric connector according to the present invention includes a chamber A shielding shell comprising; And an insulator coupled to the plurality of terminals and associated with the shielding shell. The shielding shell is electrically grounded by the foot portion soldered to the circuit board and the shielding portion is fixed to the rear portion of the shielding shell. The shielding shell is downwardly bent from the lower end of the chamber, And at least one shielding lead extending and fixed to the circuit board. The electrical connector according to the present invention may further comprise an auxiliary shield located on the outer surface of the shield of the shield shell, preferably the auxiliary shield extends downward from the rear upper end of the chamber of the shield shell to cover the shield entirely.

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector having a structure that can more effectively protect a terminal from electromagnetic interference.

A connector is used for electrically connecting a circuit board and a circuit board or a circuit board and an electronic component. Generally, a plug is inserted and coupled to a receptacle, and a terminal or pins of the receptacle and a plug are electrically connected to each other , The circuit board and the circuit board or the circuit board and the electronic component are electrically connected.

In the connector having such a structure and function, a plurality of terminals are disposed so that a large amount of signals can be exchanged in a short period of time. In this case, an insulator for electrically insulating each terminal from adjacent terminals can be used. Also, a structure (e.g., a shell) that shields the terminal with a metal material is used to protect it from electromagnetic interference.

In order to shield the terminals coupled to such insulators from all directions, it may be advantageous for the shielding shell to cover the path through the terminals as far as possible. However, in order to construct such a connector, it is necessary to assemble the insulator portion and the shielding shell portion.

When the electrical connector is mounted on a circuit board, the direction in which the electrical connector is inserted for engagement may be perpendicular to the circuit board, or an electrical connector coupled to the electrical connector mounted on the circuit board may be oriented parallel to the circuit board .

1 is an exploded perspective view of a general high definition multimedia interface (HDMI) connector having the configuration as described above, wherein the electrical connector includes a shielding shell 10 and an insulator 20 coupled to the shielding shell 10. A plurality of terminals 30 are coupled to the insulator 20, and the insulator 20 electrically insulates the terminals 30 from each other.

The shielding shell 10 includes a chamber 11 for accommodating a corresponding connector, and is made of a metal material having conductivity. The chamber 11 of the shielding shell 10 is configured to surround the contacts of the terminals 30 exposed at the top and bottom of the tongue plate 21 and the tongue plate 21 of the insulator 20.

On the other hand, leg portions 22 are formed on both sides of the insulator 20, and these leg portions 22 are mounted on or fixed to the circuit board.

The shielding shell 10 may be electrically grounded by the foot portion 12 soldered to a circuit board (not shown) such that the terminal 30 contained in the insulator 20 is electrically connected to a plurality of electronic It is possible to protect it from electromagnetic interference generated in the parts.

15 is a shielding portion formed at the rear of the shielding shell 10 and is bent after the shielding shell 10 and the insulator 20 are coupled to each other to cover the rear surface of the electrical connector. Thereby protecting the terminal 30 from electromagnetic interference.

However, in the general electric connector having the above configuration, the terminal 30 can not be protected from the electromagnetic waves generated from the plurality of electronic components mounted on the circuit board, and therefore, the electromagnetic wave applied to the terminal 30 can be more completely shielded A structure that can be used is required.

The present invention solves the above-mentioned problems occurring in an electrical connector including a shielding shell and an insulator. It is an object of the present invention to provide a shielding pin and / or an auxiliary shielding part for shielding electromagnetic waves, The present invention is directed to an electrical connector.

In order to achieve the above object, an electrical connector according to the present invention includes: a shielding shell including a chamber for receiving a corresponding connector; And an insulator coupled to the plurality of terminals and associated with the shielding shell. The shielding shell is electrically grounded by the foot portion soldered to the circuit board and the shielding portion is fixed to the rear portion of the shielding shell. The shielding shell is provided at the lower portion of the chamber And at least one shielding lead extending and fixed to the circuit board.

The shielding lead comprises a support fixed to the chamber and a mounting portion extending from the support, preferably the mounting portion extends from the lower central portion of the support, the width of which is smaller than the width of the support. Here, the mounting portion of the shielding lead can be inserted into the through-hole of the circuit board with the lower end thereof disposed on the same line as the lower end of the foot portion of the shielding shell.

In addition, the mounting portion of the shielding lead may be mounted on the surface of the circuit board with a horizontal lower end portion of the mounting portion bent by bending a part of the lower portion.

Meanwhile, the electrical connector according to the present invention may further include an auxiliary shielding portion located on the outer surface of the shielding portion of the shielding shell. Preferably, the auxiliary shielding portion extends downward from the rear upper end of the chamber of the shielding shell to cover the shielding portion as a whole .

The general electrical connector according to the present invention can effectively protect a terminal from electromagnetic waves generated from a plurality of electronic components mounted on a circuit board by using a simple structure.

Figure 1 is a perspective view of a typical HDMI connector.
2 and 3 are a rear perspective view and a front view of an electrical connector according to an embodiment of the present invention.
4 and 5 are a rear perspective view and a rear view of an electrical connector according to another embodiment of the present invention.
FIGS. 6 and 7 are graphs showing the results of measurement of electromagnetic wave effects in the connectors shown in FIGS. 2 and 3 and the connectors shown in FIGS. 4 and 5;

Hereinafter, an electric connector according to a preferred embodiment of the present invention, for example, an HDMI connector will be described in detail with reference to the accompanying drawings.

2 and 3 are a rear perspective view and a front view of an electrical connector according to an embodiment of the present invention. In this embodiment, an electrical connector includes a shielding shell 100 and an insulator 200 coupled to the shielding shell 100 do. A plurality of terminals 230 are coupled to the insulator 200, and the insulator 200 electrically insulates the terminals 230 from each other.

The shielding shell 100 includes a chamber 110 for accommodating a corresponding connector, and is made of a conductive metal material. The chamber 110 of the shielding shell 100 is configured to surround the exposed terminal 230 of the insulator 200. On the other hand, leg portions 220 are formed on both sides of the insulator 200, and the leg portions 220 are fixed on the surface of the circuit board.

The shielding shell 100 may be electrically grounded by the foot portion 120 soldered to a circuit board (not shown).

The shielding portion 150 is fixed to the rear of the chamber 110 of the shielding shell 100 and is bent after the shielding shell 100 and the insulator 200 are coupled to cover the rear surface of the electrical connector ). This shielding (150) protects the terminal (230) from electromagnetic interference.

Here, the most important feature of the electrical connector according to the present embodiment is that the other shielding shell 100 further includes at least one shielding lead 160 formed in the chamber 110. Each shielding lead 160 extends downward from the lower end of the chamber 110 and includes a support portion 161 fixed to the chamber 110 and a mounting portion 162 extending from the support portion 161.

The supporting portion 161 of the shielding lid 160 is fixed to the chamber 110 and the width thereof is preferably the same as the width of the chamber 110. [ The mounting portion 162 extends from the lower central portion of the support portion 161 and has a width smaller than the width of the support portion 161. [

3 shows that the lower end of the mounting portion 162 of the shielding lead 160 is located below the leg portions 220 formed on both sides of the insulator 200, And the lower end are arranged on the same line. In this state, the mounting portion 162 of the shielding lead 160 is soldered while inserted into the through hole formed in the circuit board (not shown) like the foot portion 120 of the shielding shell 100, but the insulator 200 Are brought into contact and fixed on the surface of the circuit board.

A lower part of the mounting part 162 of the shielding lead 160 is bent by 90 degrees and a lower end of the bent mounting part 162 is connected to the lower end of the leg part 220 of the insulator 200 And can be placed on the same line and mounted on the surface of the circuit board.

When the mounting portion 162 of the shielding reed 160, the leg portion 220 of the insulator 200 and the foot portion 120 of the shielding shell 100 are mounted on the circuit board, Lt; / RTI >

2 and 3 illustrate that two shielding leads 160 are formed, but the number of the shielding leads 160 is not limited.

In this structure, the electromagnetic wave generated in the circuit board moves to the circuit board through the shielding lead 160, so that the chamber 110 of the shielding shell 100 and the terminal 230 disposed in the insulator 200 are prevented from influencing the electromagnetic waves. I will not receive it.

4 and 5 are a rear perspective view and a rear view, respectively, of an electrical connector according to another embodiment of the present invention. In this embodiment, the electrical connector also has the overall configuration with the connector shown in Figs. 2 and 3, namely, Lt; / RTI > Therefore, in the drawings and the following description, the same reference numerals are assigned to the same members, and a duplicate description of the same members will be omitted, and only the characteristic members of this embodiment will be described.

 2 and 3, the main feature of the electrical connector according to the present embodiment is that the auxiliary shield 300 is additionally mounted on the rear portion.

2 and 3, a shielding part 150 is mounted on the rear side of the chamber 110 of the shielding shell 100. In the connector of this embodiment, A separate auxiliary shield 300 is located.

The auxiliary shield 300 extends downward from the rear upper end of the chamber 110 of the shielding shell 100 and covers the shield 150 entirely. The auxiliary shield 300 shields the electromagnetic wave generated from the circuit board from entering the chamber 110 of the shielding shell 100 and the terminal 230 disposed in the insulator 200.

FIGS. 6 and 7 are graphs showing the results of measurement of the electromagnetic wave effects in the connectors shown in FIGS. 2 and 3 and the connectors shown in FIGS. 4 and 5, wherein the electromagnetic influence on the connector is measured by time domain reflectometry ) Module using a skew measurement method.

Fig. 6 shows the result of measuring the electromagnetic influence in the connector shown in Fig. 1 and the connector shown in Fig. 2 and Fig. 3, and Fig. 7 shows the result of measurement of the connector shown in Fig. 1 and the connector shown in Fig. 4 and Fig. The results of measurement of the electromagnetic wave influence are shown.

In the graph of Fig. 6, the electromagnetic wave reduction effect of about 3.6 dB is shown at the connector (the red value of the graph) shown in Figs. 2 and 3 as compared with the connector (blue value of the graph) shown in Fig. Shows an electromagnetic wave reduction effect of about 4.6 dB at the connector (red value of the graph) shown in Figs. 4 and 5 as compared with the connector (blue value of the graph) shown in Fig.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It is to be understood that various changes and modifications may be made without departing from the scope of the present invention.

Claims (6)

A shielding shell including a chamber for receiving the mating connector; And
An insulator coupled to the shield shell and coupled to the plurality of terminals,
Wherein the chamber is rectangular in cross section perpendicular to the circuit board and the long side of the cross section is disposed horizontally with respect to the circuit board and the terminal extends from the rear end of the chamber toward the circuit board And,
Legs are formed on both sides of the insulator and are coupled to the circuit board. The shield shell is electrically grounded by the foot portion soldered to the circuit board and the shield is fixed to the rear side,
Wherein the shielding shell comprises at least one shielding lead extending downward from the lower end of the chamber and secured to the circuit board and shielding the front surface of the terminal in front of the shielding shell. The electrical connector according to claim 1, wherein the shielding lead comprises a support part fixed to the chamber and a mounting part extending from the support part, the mounting part extending from the lower central part of the support part, the width being smaller than the width of the support part. 3. The electrical connector according to claim 2, wherein the mounting portion of the shielding lead is inserted in the through hole of the circuit board with the lower end thereof being arranged in line with the lower end of the foot portion of the shielding shell. The electrical connector according to claim 2, wherein the mounting portion of the shielding lead is mounted on the surface of the circuit board with a horizontal lower end portion of the mounting portion bent by bending a part of the lower portion. The electrical connector of claim 1, further comprising an auxiliary shield located on an outer surface of the shield of the shield shell. 6. The electrical connector of claim 5, wherein the auxiliary shield extends downwardly from the rear upper end of the chamber of the shield shell to entirely cover the shield.
KR1020160014928A 2016-02-05 2016-02-05 Electrical connector KR101780980B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160014928A KR101780980B1 (en) 2016-02-05 2016-02-05 Electrical connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160014928A KR101780980B1 (en) 2016-02-05 2016-02-05 Electrical connector

Publications (2)

Publication Number Publication Date
KR20170093481A KR20170093481A (en) 2017-08-16
KR101780980B1 true KR101780980B1 (en) 2017-09-26

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Application Number Title Priority Date Filing Date
KR1020160014928A KR101780980B1 (en) 2016-02-05 2016-02-05 Electrical connector

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101975818B1 (en) * 2018-04-10 2019-05-08 (주)연호엠에스 Electrical connector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003229214A (en) * 2002-01-31 2003-08-15 Hon Hai Precision Industry Co Ltd Electric connector
CN2802778Y (en) 2005-04-27 2006-08-02 连展科技（深圳）有限公司 Shield case structure of electric connector
KR101113591B1 (en) 2009-10-21 2012-02-22 암페놀커머셜인터커넥트코리아(주) Micro usb socket
CN204538409U (en) * 2015-03-04 2015-08-05 番禺得意精密电子工业有限公司 Electric connector combination

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003229214A (en) * 2002-01-31 2003-08-15 Hon Hai Precision Industry Co Ltd Electric connector
CN2802778Y (en) 2005-04-27 2006-08-02 连展科技（深圳）有限公司 Shield case structure of electric connector
KR101113591B1 (en) 2009-10-21 2012-02-22 암페놀커머셜인터커넥트코리아(주) Micro usb socket
CN204538409U (en) * 2015-03-04 2015-08-05 番禺得意精密电子工业有限公司 Electric connector combination

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