CN110600943A - Shielding plate assembly, contact element module and high-speed electric connector - Google Patents
Shielding plate assembly, contact element module and high-speed electric connector Download PDFInfo
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- CN110600943A CN110600943A CN201910775637.0A CN201910775637A CN110600943A CN 110600943 A CN110600943 A CN 110600943A CN 201910775637 A CN201910775637 A CN 201910775637A CN 110600943 A CN110600943 A CN 110600943A
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- contact
- shielding plate
- shielding
- shield plate
- plate
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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
- H01R13/02—Contact members
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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
- H01R13/646—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
- H01R13/6461—Means for preventing cross-talk
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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
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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
- H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding with earth pin, blade or socket
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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
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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]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to a shielding plate assembly, a contact module and a high-speed electric connector. The contact module comprises an insulator, a grounding contact, a signal contact and a shielding plate assembly, wherein the shielding plate assembly comprises a contact shielding plate and an auxiliary shielding plate, and the auxiliary shielding plate is in conductive contact with the contact shielding plate; the contact shielding plate comprises a shielding body and a shielding plate hole arranged on the shielding body, a convex contact piece is arranged in the hole in the shielding plate hole along the auxiliary shielding plate, the contact piece and the shielding body are integrally bent and formed, an avoiding channel for the contact piece to pass through is formed in the insulator, the contact piece is in conductive contact with the grounding contact piece, a contact piece through hole for the contact piece to pass through is formed in the auxiliary shielding plate, and the auxiliary shielding plate is provided with a sealing cover part for sealing the shielding plate hole. The auxiliary shielding plate covers and contacts with the shielding plate holes on the shielding plate, so that the signal crosstalk resistance of the grounding contact is improved, and the problem that the signal crosstalk resistance of the conventional contact module is poor is solved.
Description
Technical Field
The invention relates to a shielding plate assembly, a contact module and a high-speed electric connector.
Background
The high-speed electrical connector is mainly used in the occasions requiring high-speed and high-quality signal transmission, and the main components of the high-speed electrical connector comprise a shell, a contact module and a shield, wherein the contact module and the shield are assembled in the shell in a stacking mode. Wherein the contact module includes an insulator and differential pairs and ground contacts fixedly mounted on the insulator. In order to reduce signal crosstalk in the signal transmission process, a shielding plate is further disposed on an insulator of the contact module, for example, chinese patent with publication number CN202217874U and publication number 2012.05.09 discloses a height transmission connector with a shielding grounding structure, which includes a base and a box body disposed in the base, wherein the base is equivalent to a housing of a high-speed electrical connector, the box body is equivalent to the contact module, each box body includes a plurality of plug-in terminal sets, at least one grounding terminal, a grounding plate and a plate body, the plug-in terminals and the grounding terminals are embedded in the plate body, wherein the plug-in terminals are signal contacts, the grounding terminals are grounding contacts, the plate body is an insulator, the grounding plate is a shielding plate, the grounding plate is combined with one side of the plate body and is electrically connected to the grounding terminals, wherein a plurality of through holes are disposed on a side of the plate body corresponding to the grounding terminals, the grounding sheet is provided with corresponding through holes corresponding to the through holes, a folded sheet extends from one edge of each corresponding through hole, the folded sheet penetrates through the through holes and is electrically connected with the wide-distance section of the grounding terminal, the folded sheet and the wide-distance section are fixed in a soldering mode, and signals of adjacent contact modules are guaranteed not to be interfered by electric connection of the shielding plate and the grounding contact.
Application publication No. CN105390884A, Chinese patent application that application publication date is 2016.03.09 has disclosed a contact module and electric connector, including the contact module, the contact module includes insulator and the difference pair of setting in the insulator, still be equipped with the ground contact in the insulator, the both sides of insulator are equipped with the shield plate, wherein the shield plate is the shield plate, be equipped with the passageway of stepping down that extends to the insulator outside by the ground contact on the insulator in the position department that corresponds each ground contact respectively, be equipped with on the shield plate and stretch into the passageway of stepping down and with the interior ground contact roof pressure complex elastic claw of insulator, through elastic claw and the conductive contact of ground contact on the shield plate, the stability and the reliability of shield plate and the conductive contact of ground contact have been guaranteed.
The two connection modes of the shielding plate and the grounding contact piece can ensure the stability and the reliability of the conductive contact of the shielding plate and the grounding contact piece, but no matter the mode is direct welding or elastic crimping, in order to facilitate the molding of the shielding plate, the part connected with the grounding contact piece on the shielding plate is generally integrally molded with the shielding plate, and more holes must exist on the shielding plate, so that the shielding effect of the shielding plate is influenced, and the problem of poor shielding effect of the shielding plate is caused.
Disclosure of Invention
The invention also aims to provide a contact module to solve the problem that the existing contact module has poor signal crosstalk prevention capability; in addition, the invention aims to provide a shielding plate assembly to solve the problem that the signal crosstalk prevention capability of a contact module is poor due to poor shielding effect of the existing shielding plate; in addition, the present invention also aims to provide a high-speed electrical connector to solve the problem of poor signal transmission performance of the current high-speed electrical connector due to poor shielding effect of the shielding plate.
In order to achieve the purpose, the technical scheme of the contact module is as follows:
the contact module includes:
an insulator;
a ground contact disposed within the insulator;
a signal contact disposed within the insulator;
the shielding plate assembly comprises a contact shielding plate in conductive contact with the grounding contact piece and an auxiliary shielding plate clamped between the contact shielding plate and the insulator, wherein the auxiliary shielding plate is in conductive contact with the contact shielding plate;
the contact shielding plate comprises a shielding body and a shielding plate hole arranged on the shielding body, a contact piece protruding towards one side of the auxiliary shielding plate is arranged at the hole edge of the shielding plate hole, the contact piece and the shielding body are integrally bent and formed, an avoiding channel for the contact piece to pass through is arranged on the insulator, and the contact piece is in conductive contact with the grounding contact piece;
the auxiliary shield plate is provided with a contact piece through hole for the contact piece to pass through, and the auxiliary shield plate is provided with a cover part for covering the shield plate hole.
The invention has the beneficial effects that: the contact shielding plate ensures conductive contact with the grounding contact element, the auxiliary shielding plate is in conductive contact with the contact shielding plate, the auxiliary shielding plate covers the shielding plate hole on the contact shielding plate, the shielding effect of the shielding plate assembly on the signal contact element is ensured, the signal crosstalk resistance of the grounding contact element is improved, and the problem that the existing contact element module is poor in signal crosstalk resistance is solved.
Furthermore, in order to simplify the assembly structure of the grounding contact element and the contact piece, the grounding contact element is provided with a jack for the contact piece to be inserted into, the contact piece and the jack are in interference fit to realize conductive contact between the grounding contact element and the contact piece, the assembly structure is simple, and the installation is convenient.
Furthermore, a jack bulge which is abutted against the contact piece is arranged in the jack. Good conductive contact of the grounding contact piece and the contact piece can be ensured through the jack bulge.
Further, the jack is a long waist hole, the jack protrusions are arranged on at least two waist walls of the long waist hole, the jack protrusions are arranged in a staggered mode in the length direction of the waist of the long waist hole, and the jack protrusions on the two waist walls are abutted to the two side faces of the contact piece respectively. The jack bulges are arranged in a staggered manner, so that the contact piece is deformed to a certain extent, and good conductive contact is ensured.
Furthermore, supplementary shield plate and contact shield plate welding or point pressure riveting fixed or the interference dress by force, firm in connection, stability is good.
Furthermore, the auxiliary shielding plate is a flat plate, so that the structure is simple and the installation is convenient.
The technical scheme of the shielding plate assembly of the invention is as follows:
the shield plate assembly includes:
a contact shield plate for electrically conductive contact with a ground contact of the contact module;
an auxiliary shield plate in conductive contact with the contact shield plate, for being sandwiched between the contact shield plate and the insulator;
the contact shielding plate comprises a shielding body and a shielding plate hole arranged on the shielding body, a contact piece protruding towards one side of the auxiliary shielding plate is arranged at the hole edge of the shielding plate hole, the contact piece is used for being in conductive contact with a grounding contact piece of the contact piece module, and the contact piece and the shielding body are integrally bent and formed;
the auxiliary shield plate is provided with a contact piece through hole for the contact piece to pass through, and the auxiliary shield plate is provided with a cover part for covering the shield plate hole.
The invention has the beneficial effects that: the contact shielding plate ensures conductive contact with the grounding contact element, the auxiliary shielding plate is in conductive contact with the contact shielding plate, the auxiliary shielding plate covers the shielding plate hole on the contact shielding plate, the shielding effect of the shielding plate assembly on the signal contact element is ensured, the signal crosstalk resistance of the grounding contact element is improved, and the problem that the signal crosstalk resistance of the contact element module is poor due to the poor shielding effect of the conventional shielding plate is solved.
Furthermore, supplementary shield plate and contact shield plate welding or point pressure riveting fixed or the interference dress by force, firm in connection, stability is good.
Furthermore, the auxiliary shielding plate is a flat plate, so that the structure is simple and the installation is convenient.
The technical scheme of the high-speed electric connector comprises the following steps:
a high speed electrical connector comprising a housing and at least two contact modules arranged in parallel,
the contact module includes:
an insulator;
a ground contact disposed within the insulator;
a signal contact disposed within the insulator;
the shielding plate assembly comprises a contact shielding plate in conductive contact with the grounding contact piece and an auxiliary shielding plate clamped between the contact shielding plate and the insulator, wherein the auxiliary shielding plate is in conductive contact with the contact shielding plate;
the contact shielding plate comprises a shielding body and a shielding plate hole arranged on the shielding body, a contact piece protruding towards one side of the auxiliary shielding plate is arranged at the hole edge of the shielding plate hole, the contact piece and the shielding body are integrally bent and formed, an avoiding channel for the contact piece to pass through is arranged on the insulator, and the contact piece is in conductive contact with the grounding contact piece;
the auxiliary shield plate is provided with a contact piece through hole for the contact piece to pass through, and the auxiliary shield plate is provided with a cover part for covering the shield plate hole.
The invention has the beneficial effects that: the conductive contact with the grounding contact element is ensured through the contact shielding plate, the auxiliary shielding plate is in conductive contact with the contact shielding plate, the auxiliary shielding plate covers the shielding plate hole on the contact shielding plate, the shielding effect of the shielding plate component on the signal contact element is ensured, the signal crosstalk resistance of the grounding contact element is improved, and the problem of poor signal transmission performance of the conventional high-speed electric connector due to the poor shielding effect of the shielding plate is solved.
Furthermore, in order to simplify the assembly structure of the grounding contact element and the contact piece, the grounding contact element is provided with a jack for the contact piece to be inserted into, the contact piece and the jack are in interference fit to realize conductive contact between the grounding contact element and the contact piece, the assembly structure is simple, and the installation is convenient.
Furthermore, a jack bulge which is abutted against the contact piece is arranged in the jack. Good conductive contact of the grounding contact piece and the contact piece can be ensured through the jack bulge.
Further, the jack is a long waist hole, the jack protrusions are arranged on at least two waist walls of the long waist hole, the jack protrusions are arranged in a staggered mode in the length direction of the waist of the long waist hole, and the jack protrusions on the two waist walls are abutted to the two side faces of the contact piece respectively. The jack bulges are arranged in a staggered manner, so that the contact piece is deformed to a certain extent, and good conductive contact is ensured.
Furthermore, supplementary shield plate and contact shield plate welding or point pressure riveting fixed or the interference dress by force, firm in connection, stability is good.
Furthermore, the auxiliary shielding plate is a flat plate, so that the structure is simple and the installation is convenient.
Drawings
FIG. 1 is a schematic structural diagram of a particular embodiment of a contact module of the present invention;
FIG. 2 is a schematic diagram of the structure of an insulator, ground contacts and differential pairs in a particular embodiment of a contact module of the present invention;
FIG. 3 is a schematic diagram of the structure of an insulator in an embodiment of a contact module of the present invention;
fig. 4 is a schematic diagram of the structure of a shield plate assembly, ground contacts and differential pairs in an exemplary embodiment of a contact module of the invention;
FIG. 5 is an enlarged view of portion A of FIG. 4;
FIG. 6 is a schematic diagram of a shield plate assembly in an exemplary embodiment of a contact module of the present invention;
FIG. 7 is another schematic view of a shield plate assembly in an exemplary embodiment of a contact module of the invention;
FIG. 8 is a schematic view of the structure of a contact shield in an embodiment of a contact module of the present invention;
fig. 9 is a schematic structural view of an auxiliary shield plate in an embodiment of the contact module of the present invention;
in the figure: 1-an insulator; 11-an escape channel; 12-a positioning column; 2-a ground contact; 21-a jack; 211-a receptacle boss; 3-a differential pair; 31-a signal contact; 4-a shield plate assembly; 41-contact shield plate; 411-a shield; 412-shield plate aperture; 413-contact piece; 414-contact shield positioning holes; 42-an auxiliary shield plate; 421-contact sheet perforation; 422-a cover portion; 423-auxiliary shield plate positioning holes.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 9, the contact module of the present invention includes an insulator 1, a ground contact 2 disposed in the insulator 1, and a differential pair 3, where the differential pair 3 is disposed side by side with the ground contact 2, each differential pair 3 includes two signal contacts 31, and two ground contacts 2 are disposed on two sides of the differential pair 3, so as to ensure a shielding effect on the differential pair 3. The ground contact 2 and the signal contact 31 are both bent contacts, and the differential pair 3 and the ground contact 2 are both plastic-encapsulated in the insulator 1.
As shown in fig. 6 and 7, the contact module further includes a shield plate assembly 4 provided on the side of the insulator 1 for facing the adjacent contact module, and the shield plate assembly 4 includes a contact shield plate 41 in conductive contact with the ground contact 2, and an auxiliary shield plate 42 interposed between the contact shield plate 41 and the insulator 1. The contact shield plate 41 includes a shield 411 and a shield plate hole 412 provided on the shield 411, and a contact piece 413 protruding toward the auxiliary shield plate 42 side is provided along the hole edge of the shield plate hole 412, that is, the contact piece 413 is provided at the edge of the shield plate hole 412. The contact piece 413 is formed by bending integrally with the shield 411, the insulator 1 is provided with a bypass passage 11 through which the contact piece 413 passes, and the contact piece 413 is in conductive contact with the ground contact 2 through the bypass passage 11.
In this embodiment, the contact sheets 413 are provided in multiple sets, each set corresponds to the same ground contact 2, and the contact sheets 413 in the same set are arranged along the extending direction of the ground contact 2, so as to ensure that the shielding plate assembly 4 and the ground contact 2 form a shielding cavity with a better shielding effect. In other embodiments, the number and the arrangement positions of the contact pieces may be set according to actual needs, for example, two sets of insertion holes may be arranged on one ground contact, corresponding to two sets of contact pieces. In other embodiments, the contact modules may be configured to provide a shield plate assembly toward both sides of adjacent contact modules.
The insulator 1 is provided with a plurality of positioning columns 12, and the contact shielding plate 41 and the auxiliary shielding plate 42 are respectively provided with contact shielding plate positioning holes 414 and auxiliary shielding plate positioning holes 423 which are in one-to-one corresponding positioning fit with the positioning columns 12, so that the installation of the shielding plate assembly and the insulator is facilitated.
After the contact piece 413 is integrally formed on the contact shielding plate 41, the shielding plate hole 412 may reduce the shielding effect of the contact shielding plate 41, and further, the crosstalk prevention performance of the contact module may be reduced, and the auxiliary shielding plate 42 may be provided to eliminate the influence. The auxiliary shield plate 42 is in conductive contact with the contact shield plate 41, and the auxiliary shield plate 42 is provided with a contact piece through hole 421 through which the contact piece 413 passes, the auxiliary shield plate 42 has a cover portion 422 for covering the shield plate hole 412, and the shield plate hole 412 is covered by the cover portion 422, thereby ensuring the crosstalk prevention performance of the contact module.
Specifically, the ground contact 2 is provided with an insertion hole 21 into which the contact piece 413 is inserted, and the contact piece 413 is in interference fit with the insertion hole 21, so as to realize conductive contact between the ground contact 2 and the contact piece 413. As shown in fig. 5, the insertion hole 21 is internally provided with three insertion hole protrusions 211 which are in interference fit with the contact piece 413, in this embodiment, the insertion hole protrusions 211 are three, because the insertion hole 21 is a long waist hole matched with the contact piece 413 in shape, two insertion hole protrusions 211 are arranged on one waist wall of the insertion hole 41, one insertion hole protrusion 211 is arranged on the other waist wall, and the insertion hole protrusions 21 are arranged in a staggered manner in the length direction of the waist of the long waist hole, that is, in a triangular manner, the insertion hole protrusions 211 on the two waist walls respectively abut against two side surfaces of the contact piece 413, so that the contact piece 413 is slightly deformed, the contact effect with the contact piece 413 is ensured, and good electric conduction with the contact piece 413.
In the present embodiment, the auxiliary shield plate 42 is fixed to the contact shield plate 41 by welding and electrically connected. In other embodiments, the contact piece through hole on the auxiliary shielding plate can also be in interference fit with the contact piece, so that the auxiliary shielding plate is in conductive contact with the contact shielding plate; the auxiliary shielding plate and the contact shielding plate can adopt a direct attaching contact mode, and the auxiliary shielding plate can be pressed by the contact shielding plate at the moment, so that good contact between the auxiliary shielding plate and the contact shielding plate is ensured; of course, a combination of the auxiliary shield plate and the shield body contacting the shield plate may be adopted, for example, after the contact piece is in interference fit with the through hole of the contact piece, the auxiliary shield plate is riveted with the shield body contacting the shield plate by means of point pressing.
The auxiliary shield plate 42 in this embodiment is a flat plate, and in other embodiments, a projection that is attached to the ground contact may be provided on the auxiliary shield plate, but in this case, the number of steps for processing the auxiliary shield plate is increased, and the projection needs to be drawn on the auxiliary shield plate.
When the contact module is assembled, the shielding plate assembly 4 needs to be fixed on the insulator 1, in this embodiment, the shielding plate assembly is kept to be fixed on the insulator 1 through the interference fit between the contact piece 413 and the jack 21 on the grounding contact 2, in other embodiments, the shielding plate assembly can be encapsulated on the insulator through injection molding, or fixed on the insulator through a rivet, or a protrusion is arranged on the contact shielding plate, a fitting hole in interference fit with the protrusion is arranged on the insulator, and the fixation is realized through the interference fit between the protrusion and the fitting hole. The shielding plate assembly in the embodiment is integrally installed on the insulator after being pre-installed, in other embodiments, the auxiliary shielding plate may be installed on the insulator first, and then the contact shielding plate may be installed on the insulator, and the auxiliary shielding plate may be fixed to the insulator in a manner of interference fit between the protrusion and the fitting hole formed in the auxiliary shielding plate and the insulator.
The auxiliary shielding plate 42 in this embodiment is directly formed by punching and blanking, and the contact shielding plate 41 is formed by bending and blanking, so that the processing difficulty is reduced. After the processing is completed, the auxiliary shielding plate 42 is in conductive contact with the contact shielding plate 41, the contact shielding plate 41 is in conductive contact with the ground contact 2 through interference fit, and the auxiliary shielding plate 42 covers the shielding plate hole 412 to prevent the signal line from being exposed outside the shielding. Contact piece 413 sets up a plurality ofly on the contact shield plate, and arranges along ground contact 2 extending direction, forms the better shielding cavity of shielding effect, guarantees shield plate subassembly 4 and ground contact 2's shielding stability, avoids the signal interference problem that shield plate hole 412 caused on the contact shield plate 41.
In addition, since the contact piece 413 is provided on the contact shield plate 41, only the corresponding mating hole needs to be provided on the ground contact 2, the volume of the ground contact 2 is not increased, the density of the differential pair 3 is ensured to be high, and the connector is miniaturized.
In other embodiments, the contact piece on the contact shield plate may be in press fit with the ground contact, in which case the contact piece is an obliquely arranged spring piece, or may be connected to the ground contact by soldering.
In the specific embodiment of the shielding plate assembly of the present invention, the structure of the shielding plate assembly in this embodiment is the same as that of the shielding plate assembly in the specific embodiment of the contact module, and details are not repeated.
In the embodiment of the high-speed electrical connector of the present invention, the high-speed electrical connector includes a housing and a plurality of contact modules, the plurality of contact modules are arranged in parallel, and the structure of the contact module is the same as that described in the above specific embodiment of the contact module, and details are not repeated.
Claims (10)
1. A contact module, comprising:
an insulator;
a ground contact disposed within the insulator;
a signal contact disposed within the insulator;
characterized in that the contact module further comprises:
the shielding plate assembly comprises a contact shielding plate in conductive contact with the grounding contact piece and an auxiliary shielding plate clamped between the contact shielding plate and the insulator, wherein the auxiliary shielding plate is in conductive contact with the contact shielding plate;
the contact shielding plate comprises a shielding body and a shielding plate hole arranged on the shielding body, a contact piece protruding towards one side of the auxiliary shielding plate is arranged at the hole edge of the shielding plate hole, the contact piece and the shielding body are integrally bent and formed, an avoiding channel for the contact piece to pass through is arranged on the insulator, and the contact piece is in conductive contact with the grounding contact piece;
the auxiliary shield plate is provided with a contact piece through hole for the contact piece to pass through, and the auxiliary shield plate is provided with a cover part for covering the shield plate hole.
2. The contact module of claim 1, wherein the ground contacts have receptacles for receiving the contact pads, and the contact pads are in interference fit with the receptacles to achieve conductive contact between the ground contacts and the contact pads.
3. The contact module of claim 2, wherein the receptacle has a receptacle projection therein that abuts the contact tab.
4. The contact module according to claim 3, wherein the insertion holes are long waist holes, the insertion hole protrusions are provided at least two and are provided on two waist walls of the long waist holes, the insertion hole protrusions are staggered in the waist direction of the long waist holes, and the insertion hole protrusions on the two waist walls are respectively abutted against the two side surfaces of the contact piece.
5. Contact module according to any one of claims 1-4, characterised in that the auxiliary shield plate is welded or spot-riveted to the contact shield plate or force-fitted by interference.
6. Contact module according to any one of claims 1-4, characterised in that the auxiliary shield plate is a flat plate.
7. A shield plate assembly, comprising:
a contact shield plate for electrically conductive contact with a ground contact of the contact module;
an auxiliary shield plate in conductive contact with the contact shield plate, for being sandwiched between the contact shield plate and the insulator;
the contact shielding plate comprises a shielding body and a shielding plate hole arranged on the shielding body, a contact piece protruding towards one side of the auxiliary shielding plate is arranged at the hole edge of the shielding plate hole, the contact piece is used for being in conductive contact with a grounding contact piece of the contact piece module, and the contact piece and the shielding body are integrally bent and formed;
the auxiliary shield plate is provided with a contact piece through hole for the contact piece to pass through, and the auxiliary shield plate is provided with a cover part for covering the shield plate hole.
8. The shield plate assembly of claim 7, wherein the auxiliary shield plate is welded or spot riveted to the contact shield plate or interference press fit.
9. The shield plate assembly of claim 7 or 8, wherein the auxiliary shield plate is a flat plate.
10. High-speed electrical connector comprising a housing and at least two contact modules arranged side by side, characterized in that the contact modules are as claimed in any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910775637.0A CN110600943B (en) | 2019-08-21 | 2019-08-21 | Shielding plate assembly, contact element module and high-speed electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910775637.0A CN110600943B (en) | 2019-08-21 | 2019-08-21 | Shielding plate assembly, contact element module and high-speed electric connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110600943A true CN110600943A (en) | 2019-12-20 |
| CN110600943B CN110600943B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910775637.0A Active CN110600943B (en) | 2019-08-21 | 2019-08-21 | Shielding plate assembly, contact element module and high-speed electric connector |
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| CN111193156A (en) * | 2019-12-31 | 2020-05-22 | 华为技术有限公司 | Connector assembly, connector, network device and manufacturing method |
| CN111525345A (en) * | 2020-04-21 | 2020-08-11 | 中航光电科技股份有限公司 | Contact module and backplane connector using same |
| CN111525348A (en) * | 2020-04-23 | 2020-08-11 | 中航光电科技股份有限公司 | Differential contact module and differential connector |
| CN111682367A (en) * | 2020-06-19 | 2020-09-18 | 东莞立讯技术有限公司 | Back panel connector |
| CN112164936A (en) * | 2020-09-27 | 2021-01-01 | 上海航天科工电器研究院有限公司 | High transmission rate signal module structure |
| CN112909614A (en) * | 2021-02-20 | 2021-06-04 | 中航光电科技股份有限公司 | Cable assembly and cable connector |
| CN112909661A (en) * | 2021-01-20 | 2021-06-04 | 中航光电科技股份有限公司 | Terminal module and connector using same |
| CN113078522A (en) * | 2021-03-24 | 2021-07-06 | 中航光电科技股份有限公司 | Novel connector shielding conduction structure |
| CN113571974A (en) * | 2021-07-21 | 2021-10-29 | 中航光电科技股份有限公司 | Shielding structure and connector using same |
| CN113809597A (en) * | 2021-08-11 | 2021-12-17 | 中航光电科技股份有限公司 | Buckling structure and connector using same |
| US11616328B2 (en) | 2020-06-19 | 2023-03-28 | Dongguan Luxshare Technologies Co., Ltd | Mating module and cable connector |
| US11637402B2 (en) | 2020-06-19 | 2023-04-25 | Dongguan Luxshare Technologies Co., Ltd | Backplane connector assembly |
| US11799245B2 (en) | 2020-12-28 | 2023-10-24 | Dongguan Luxshare Technologies Co., Ltd | Terminal module and backplane connector having the terminal module |
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