CN100521397C - Linker with electromagnetic wave screen unit - Google Patents
Linker with electromagnetic wave screen unit Download PDFInfo
- Publication number
- CN100521397C CN100521397C CNB2005100903343A CN200510090334A CN100521397C CN 100521397 C CN100521397 C CN 100521397C CN B2005100903343 A CNB2005100903343 A CN B2005100903343A CN 200510090334 A CN200510090334 A CN 200510090334A CN 100521397 C CN100521397 C CN 100521397C
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- CN
- China
- Prior art keywords
- mentioned
- contact pin
- shielding
- signal transmission
- connector
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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Classifications
-
- 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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S439/00—Electrical connectors
- Y10S439/93—Coupling part wherein contact is comprised of a wire or brush
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
This invention relates to a connector. According to the invention, a connector having electromagnetic waves shielding device is disclosed, which is characterized in that the connector for electrically connecting between circuits or electronic devices comprises insulation blocks with pin safety insertion holes in fixed intervals along the length direction, pin sets corresponding to the pin safety insertion holes for transmitting signals, and electromagnetic wave shielding mechanism for reducing quantity of inter-pin electric field among pins for transmitting signals. The connector can not only shield electromagnetic wave interference from outside to inside of the connector but also shield even electromagnetic waves generated from signal transmitting pins inside the connector to be discharged or flowing among the pins in transmission of signals with high quality, no distortion and no loss.
Description
Technical field
The present invention relates to a kind of connector, say that more specifically relating to a kind of amount that results from the electric field between the signal pin by reduction improves differential impedance, can carry out the connector of the transmission of high-quality signal.
Background technology
In general, connector is meant the attachment that is electrically connected or separates mutually between circuit or the equipment.Connector generally is made of insulator, contact and accessory, and wiring is oversimplified.By effectively utilizing the space in the equipment, can realize the high-density installation of electronic equipment.
The electronic equipment that for example has FPD (Flat Panel Display) monitor as notebook computer etc., the corresponding tellite (PCB) of main body and the handshaking between the monitor are carried out through a plurality of circuits, so generally use socket connector 1 shown in Figure 1 and the pin connector (not shown) corresponding with it to transmit signal.
With reference to Fig. 1, common socket connector 1 along its length direction at certain intervals the configuration signal transmission with contact pin 2, its main body be can with the pin connector structure combining.Herein, the signal transmission uses an end of contact pin 2 to connect the PCB of main body, and the other end inserts the pin connector that is connected with the flat cable that extends from FPD monitor side.This socket connector is a passive component of only bringing into play the signal transfer function, so importantly transmit signal without loss and shifting ground.In order to realize this point, key is to make corresponding circuits and impedance phase coupling (Matching), reduces the loss of signal by electrostatic screen.In addition, the good design of electromagnetic relatively interference (electromagnetic interference:EMI) and patience (electromagnetic susceptibility:EMS) also is very important.
For example, if notebook computer, then approximately the Low Voltage Differential Signal (LowVoltage Differential Signal:LVDS) of 0.3V passes to the FPD monitor from the mainboard internal circuit by socket connector and pin connector, but this Low Voltage Differential Signal is the differential wave of reversing repeatedly with 180 ° of phase place official post signals.In order to realize impedance matching, it is very important that the structure of the contact pin of the signal that transmits socket connector and pin connector is complementary.Simultaneously, in order to suppress Electromagnetic Interference from the outside and to stop radiation to the outside not have influence on miscellaneous part, the static capacity that reduces between the holding wire also is very important.
Fig. 2 is the stereogram of part of the socket connector of expression prior art.With reference to Fig. 2, socket connector inserts collets 11 for anti-stop signal transmission contact pin assembly 12 mutual short circuit or bendings between the signal transmission is with contact pin 12a.And, have and constitute the housing 14 that surrounds whole socket connector from the outside.
But in the socket connector of prior art, collets 11 are only merely brought into play the inhibit signal transmission with the engagement state of contact pin 12a and the effect that keeps its shape.Housing 14 is mainly used in and prevents to enter from the electromagnetic of socket connector outside.Therefore, can not prevent the electromagnetic wave that sends each other, enter with contact pin 12a in the signal transmission.
Summary of the invention
The present invention proposes in order to address the above problem, its purpose is, a kind of connector is provided, not only maskable is from the Electromagnetic Interference of connector outside to connector inside, and become can shield with the big capacity signal of high-frequency transmission the time problem, transmit the electromagnetic wave that contact pin produces and sends each other, enters at contact pin from the signal of connector inside.
In order to achieve the above object, inventors of the present invention transmit the mutual electromagnetic wave of contact pin in order to shield the signal of coming in and going out, and propose to have the connector that is located at the screen unit between the contact pin.That is, connector of the present invention is electrically connected circuit or electronic equipment with contact pin each other each other, it is characterized in that, comprising: the collets that alongst are formed with a plurality of contact pin installing ports and a plurality of ground plate installing ports at certain intervals; Include a plurality of signal transmission that the are inserted into above-mentioned contact pin installing port accordingly signal transmission contact pin assembly of contact pin; Be located at above-mentioned signal transmission with between the contact pin, reduce the electric field between the contact pin amount electromagnetic wave screen unit and; To be inserted into a plurality of ground plates of above-mentioned ground plate installing port with the state of contact pin electric insulation with above-mentioned signal transmission, wherein, above-mentioned contact pin installing port is corresponding mutually with man-to-man relation along vertical direction with above-mentioned ground plate installing port, make each ground plate be inserted into above-mentioned collets with the contact pin below, and above-mentioned a plurality of ground plates are electrically connected and ground connection by contiguous block to tie up to each signal transmission with the man-to-man pass of contact pin with each signal transmission.
According to the present invention, preferred above-mentioned screen unit has a plurality of shielding projections, is located at above-mentioned signal transmission respectively with the shielding projection installing port between the contact pin forming on the above-mentioned collets, and above-mentioned shielding projection is corresponding respectively to be inserted in the above-mentioned shielding projection installing port.
In addition, preferably also comprise shell, it is bonded on the conjugant outside of above-mentioned collets, signal transmission usefulness contact pin assembly and a plurality of shielding projections, the shielding external electromagnetic waves.
Scheme as an alternative, above-mentioned screen unit has a plurality of shielding projections and shell, this shell constitutes with above-mentioned a plurality of shielding protrusion engagement and is one and covers its top, forming the shielding projection installing port that is located at respectively between the above-mentioned signal transmission usefulness contact pin on the above-mentioned collets, above-mentioned shielding projection is inserted in the above-mentioned shielding projection installing port by correspondence respectively.
The Breadth Maximum of preferred above-mentioned shielding projection is less than the distance between the above-mentioned signal transmission usefulness contact pin, and minimum widith is more than or equal to the thickness of above-mentioned shell.
Description of drawings
The following drawings of this specification is only represented the preferred embodiments of the present invention, is in order further to understand detailed description of the invention and technical conceive of the present invention, therefore, can not to be interpreted as instrument of the present invention and to be limited to the item that accompanying drawing is put down in writing.
Fig. 1 is the stereogram of the outward appearance of expression common socket connector.
Fig. 2 is the stereogram of partial structurtes of the connector of expression prior art.
Fig. 3 is the exploded perspective view of the structure of the part connector of representing the preferred embodiments of the present invention.
Fig. 4 is the combination stereogram of the connector part of expression the preferred embodiments of the present invention.
Fig. 5 is the stereogram of the part of the screen unit that adopts of the connector of expression other embodiment of the present invention.
Fig. 6 is illustrated in the figure that carries out the electric field between the contact pin of odd mode (odd mode) signal when transmitting in the connector of prior art.
Fig. 7 is illustrated in the figure that carries out the electric field between the contact pin of odd mode signal when transmitting in the connector of the preferred embodiments of the present invention.
Among the figure: 110 collets; Brace table between 111 contact pins; 112 contact pin installing ports; 113 shielding projection installing ports; 115 ground plate installing ports; 120 signal transmission contact pin assemblies; 130 screen units; 131 shielding projections; 133 shells; 150 ground plates.
Embodiment
Below, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.At first need to prove, about employed term and vocabulary in this specification and claims, its meaning is not limited to common explanation or according to the explanation of dictionary, the present inventor is for the invention with the best way explanation oneself, according to the principle that can suitably define the term notion, it can be interpreted as the meaning and the notion of technical conceive according to the invention.Therefore, structure shown in embodiment that this specification is put down in writing and the accompanying drawing is the most preferred embodiment of the present invention only, technical conceive of the present invention be can not all represent, existence can be used for replacing when proposing the application various equivalents and modification are construed as.
Below, be the representative example with socket connector as an example of connector, the preferred embodiments of the present invention are described.
Fig. 3 is the exploded perspective view of partial structurtes of the connector of expression the preferred embodiments of the present invention, and Fig. 4 is the stereogram of the state after the expression socket connector assembling shown in Figure 3.
With reference to Fig. 3 and Fig. 4, the socket connector of present embodiment comprises: the collets 110 that are provided with contact pin installing port 112 at certain intervals; Insert the signal transmission contact pin assembly 120 of contact pin installing port 112; Stop the signal transmission mutual shielding electromagnetic waves unit 130 of contact pin 120a.
The collets 110 that become connector body are to keep the state of the various signal transmission of constituent components with contact pin 120a, and prevent the insulator (insulator) of short circuit, have the contact pin installing port 112 that forms at certain intervals along its length direction.And be provided with and be located at the signal transmission with brace table 111 between the contact pin between the contact pin 120a, its between the contact pin installing port 112 below extend certain-length.And collets 110 also can have the ground plate installing port of arranging repeatedly abreast with contact pin installing port 112 115.
On the other hand, on collets 110, shielding projection installing port 113 is set at certain intervals along its length direction.Preferable mask projection installing port 113 is formed between contact pin on the brace table 111 with the form of groove, and is arranged on the signal transmission with between the contact pin 120a.
The length of this collets 110 can have various deformation according to the quantity of contact pin installing port 112.For example, in the present invention, with under the situation of socket connector, collets 110 can be by constituting with socket connector corresponding structure shown in Figure 1 at the FPD monitor that is used for notebook computer.
The contact pin installing port 112 of collets 110 is inserted in the signal transmission with contact pin assembly 120 difference correspondences.Herein, each signal transmission of constituent components for example being electrically connected with contact pin 120a with corresponding PCB by a bonding end.The other end is inserted into contact pin installing port 112, and is connected one to one with the corresponding terminal of pin connector (not shown) on being combined in collets 110.
According to present embodiment, screen unit 130 has a plurality of shielding projections 131 and with a plurality of shielding projection 131 interconnective links 131.Ground connection when preferable mask projection 131 and link 131 in the end assemble.And preferable mask projection 131 and link 131 are made of electromagnetic wave shielding function good silver or the such conductive material of copper.
Shielding projection 131 forms and is located at the shielding projection installing port 113 corresponding shapes on the collets 110 between the signal transmission is with contact pin 120a, and is inserted into shielding projection installing port 113.Therefore, each shielding projection 131 can be located at the signal transmission with between the contact pin 120a.
Preferable mask projection 131 constitutes quantity and lacks one than the signal transmission with the quantity of contact pin 120a, and the Breadth Maximum of shielding projection 131 is less than the distance between the signal transmission usefulness contact pin.And the minimum widith of preferable mask projection 131 is more than or equal to the thickness of shell 133 described later, so that can normally bring into play shielding action.
In addition, be preferably designed to and make the length weak point of shielding projection 131 than brace table 111 between the contact pin of collets 110, the height of brace table 111 is low between the aspect ratio contact pin of shielding projection 131, promptly insulate with the original effect that does not hinder collets 110.And, preferably when engaging, be entrenched in the space of installing port with shielding projection installing port 113, fluff preventing.
Like this, shielding projection 131 not only provides the sufficient elasticity support force to socket connector, and performance ground connection acts on, the electromagnetic effect of shielded signal transmission between the contact pin.
And preferable mask unit 130 also comprises shell (shell) 133, and it constitutes the conjugant outside that surrounds collets 110, signal transmission usefulness assembly 120 and a plurality of shielding projections 131.Shell 133 is made of electromagnetic shielding material.In addition, preferred shell is made of the pair of shells 133,133 ' corresponding with a plurality of shielding projections of constituting in pairs 131.Thus, cut off external electromagnetic waves and enter socket connector inside.
The connector of present embodiment can comprise the ground plate 150 that inserts collets 110.Ground plate 150 is the conductor pieces that insert the plate installing port 115 of collets 110, and resiliency supported is fixed on the pin connector on the collets 110, brings into play the ground connection effect simultaneously.This ground plate 150 is provided with a plurality of, and its quantity is corresponding with the quantity of ground plate installing port 115, has by contiguous block 151 interconnective structures.Herein, the width of ground plate 150 and ground plate installing port 115 and quantity are considered the smooth and easy transmission usefulness ground plate 150 of signal and the electrostatic capacitance between the signal transmission usefulness contact pin 110, can carry out various deformation.
Fig. 5 is the stereogram of the part of the screen unit 230 that adopts of the connector of expression other embodiment of the present invention.
With reference to Fig. 5, screen unit 230 engages with a plurality of shielding projections 231 with attached to the shell on the shielding projection 231 233 and is one.Like this, can utilize same material to form screen unit 230 easily.
On the other hand, preferred a plurality of shielding projection 231 interconnects and ground connection by link 232 respectively.
Connector with said structure when the signal transmission is transmitted Low Voltage Differential Signal with contact pin, can provide the signal that satisfies than improved the differential impedance characteristic in the past.Fig. 6 is illustrated in the figure that carries out the electric field between the contact pin of odd mode (odd mode) signal when transmitting in the connector of prior art.Fig. 7 is illustrated in the figure that carries out the electric field between the contact pin of odd mode signal when transmitting in the connector of the preferred embodiments of the present invention.
With reference to Fig. 6, when carrying out the transmission of odd mode signal, between adjacent mutually signal transmission is with contact pin 12a, 12b, form the electric field shown in the arrow.On the other hand, with reference to Fig. 7, owing between mutually adjacent signal transmission is with contact pin 120a, 120b, be provided with screen unit 130,, further reduce to the amount of the electric field of contact pin 120b transmission so absorb and shielding with the electric field conductively-closed unit 130 that contact pin 120a produces from the signal transmission.That is, can confirm by comparison diagram 6 and Fig. 7, be provided with under the situation of screen unit, can reduce the signal transmission with the electrostatic capacitance between the contact pin, the size of electric field is not when having screen unit.
Above typical example as connector adopts socket connector to specify, but the invention is not restricted to this, is construed as the scope connector that goes for various ways.And, more than disclosed the concrete structure of relative screen unit, still, technical conceive of the present invention is the signal transmission is shielded with the electromagnetic wave between the contact pin, so industry personage can carry out various distortion in reaching the scope of the object of the invention.
As mentioned above, embodiment that limits according to hypothesis and description of drawings the present invention, but the invention is not restricted to this, in the technical field under the present invention, personnel with general knowledge can carry out various modifications and changes in the equal scope of technical conceive of the present invention and claims, this is conclusive.
As mentioned above, connector according to a preferred embodiment of the invention, outside and connector internal shield electromagnetic wave not only at connector, and can shield signal transmission from connector inside with the contact pin generation and at the electromagnetic wave that sends each other, enters.Therefore, can reduce the signal transmission with the electric field between the contact pin, improve the differential impedance characteristic, distortion and loss ground is not from connector transmission high-quality signal.
Claims (9)
1. a connector is used for circuit or electronic equipment are electrically connected mutually, it is characterized in that, comprising:
Alongst be formed with the collets of a plurality of contact pin installing ports and a plurality of ground plate installing ports at certain intervals;
Include a plurality of signal transmission that the are inserted into above-mentioned contact pin installing port accordingly signal transmission contact pin assembly of contact pin;
Be located at above-mentioned signal transmission with between the contact pin, reduce the electromagnetic wave screen unit of the electric field amount between the contact pin; With
Being inserted into a plurality of ground plates of above-mentioned ground plate installing port with the state of contact pin electric insulation with above-mentioned signal transmission,
Wherein, above-mentioned contact pin installing port is corresponding mutually with man-to-man relation along vertical direction with above-mentioned ground plate installing port, make each ground plate be inserted into above-mentioned collets with the contact pin below to tie up to each signal transmission with the man-to-man pass of contact pin with each signal transmission, and
By contiguous block above-mentioned a plurality of ground plates are electrically connected and ground connection.
2. connector according to claim 1 is characterized in that, above-mentioned screen unit has a plurality of shielding projections,
Be located at above-mentioned signal transmission respectively with the shielding projection installing port between the contact pin forming on the above-mentioned collets, above-mentioned shielding projection is corresponding respectively to be inserted in the above-mentioned shielding projection installing port.
3. connector according to claim 2 is characterized in that, above-mentioned shielding projection is made of conductive material.
4. connector according to claim 2 is characterized in that above-mentioned screen unit also has link, and it constitutes and connects above-mentioned a plurality of shielding projections, makes each shielding projection ground connection.
5. connector according to claim 2 is characterized in that above-mentioned screen unit also comprises shell, is bonded on the conjugant outside of signal transmission with contact pin assembly and a plurality of shielding projections, is used to shield external electromagnetic waves.
6. connector according to claim 1 is characterized in that, above-mentioned screen unit has a plurality of shielding projections and shell, and this shell constitutes with above-mentioned a plurality of shielding protrusion engagement and is one and covers its top,
Forming the shielding projection installing port that is located at respectively between the above-mentioned signal transmission usefulness contact pin on the above-mentioned collets, above-mentioned shielding projection is inserted in the above-mentioned shielding projection installing port by correspondence respectively.
7. connector according to claim 6 is characterized in that, above-mentioned shielding projection is made of conductive material.
8. connector according to claim 6 is characterized in that above-mentioned screen unit also has link, and it constitutes and connects above-mentioned a plurality of shielding projections, makes each shielding projection ground connection.
9. according to any described connector in the claim 5～8, it is characterized in that the Breadth Maximum of above-mentioned shielding projection is smaller or equal to the distance between the above-mentioned signal transmission usefulness contact pin, minimum widith is more than or equal to the thickness of above-mentioned shell.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050003819A KR100610947B1 (en) | 2005-01-14 | 2005-01-14 | A Connector having means for shielding electromagnetic waves |
| KR1020050003819 | 2005-01-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1805223A CN1805223A (en) | 2006-07-19 |
| CN100521397C true CN100521397C (en) | 2009-07-29 |
Family
ID=36802320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100903343A Expired - Fee Related CN100521397C (en) | 2005-01-14 | 2005-08-12 | Linker with electromagnetic wave screen unit |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4124220B2 (en) |
| KR (1) | KR100610947B1 (en) |
| CN (1) | CN100521397C (en) |
| TW (1) | TWI288509B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5044049B1 (en) * | 2011-03-03 | 2012-10-10 | アルプス電気株式会社 | Connector device |
| CN102655288B (en) * | 2011-03-03 | 2013-10-23 | 阿尔卑斯电气株式会社 | Connector apparatus |
| KR101927927B1 (en) | 2014-12-23 | 2018-12-11 | 엘에스엠트론 주식회사 | Receptacle connetor for improving shielding performance |
| KR200485894Y1 (en) | 2015-12-30 | 2018-03-08 | 박승빈 | A conmined structure of a multi-contact connector |
| CN106207637B (en) * | 2016-07-29 | 2019-03-29 | 中航光电科技股份有限公司 | Differential connector and its housing parts |
| KR102025217B1 (en) | 2016-07-29 | 2019-09-25 | 아빅 존혼 옵트로닉 테크놀로지 컴퍼니, 리미티드 | Differential connectors and housing parts thereof |
| CN109830850B (en) * | 2019-03-29 | 2024-04-19 | 四川华丰科技股份有限公司 | Module structure for high-speed connector and high-speed connector |
| KR102463366B1 (en) * | 2020-08-14 | 2022-11-07 | 주식회사 경신 | Noise filter integrated connector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2921248B2 (en) * | 1992-02-14 | 1999-07-19 | 日本電気株式会社 | connector |
| JP3841348B2 (en) * | 2003-02-25 | 2006-11-01 | 日本航空電子工業株式会社 | Connector ground structure |
-
2005
- 2005-01-14 KR KR1020050003819A patent/KR100610947B1/en not_active IP Right Cessation
- 2005-08-05 JP JP2005227521A patent/JP4124220B2/en active Active
- 2005-08-12 CN CNB2005100903343A patent/CN100521397C/en not_active Expired - Fee Related
- 2005-11-04 TW TW094138658A patent/TWI288509B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060083035A (en) | 2006-07-20 |
| TW200625735A (en) | 2006-07-16 |
| JP4124220B2 (en) | 2008-07-23 |
| TWI288509B (en) | 2007-10-11 |
| KR100610947B1 (en) | 2006-08-09 |
| JP2006196434A (en) | 2006-07-27 |
| CN1805223A (en) | 2006-07-19 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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