CN109088200B - Multi-contact electric connector and electronic equipment - Google Patents
Multi-contact electric connector and electronic equipment Download PDFInfo
- Publication number
- CN109088200B CN109088200B CN201810980950.3A CN201810980950A CN109088200B CN 109088200 B CN109088200 B CN 109088200B CN 201810980950 A CN201810980950 A CN 201810980950A CN 109088200 B CN109088200 B CN 109088200B
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- Prior art keywords
- contact
- contacts
- ground wire
- shielding piece
- contact end
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Classifications
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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
-
- 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
- H01R13/6471—Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
-
- 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
-
- 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
- H01R13/6597—Specific features or arrangements of connection of shield to conductive members the conductive member being a contact of the connector
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The multi-contact electric connector and the electronic equipment provided by the embodiment of the application are matched with an inter-fit connector, wherein the inter-fit connector comprises a contact pin, the electric connector comprises a ground wire and a shielding piece, the shielding piece is a plate-shaped shielding piece, and the plate-shaped shielding piece can be communicated with the ground wire; the end part of the ground wire is a ground wire contact end, and the ground wire contact end is provided with a plurality of raised first contacts; the end part of the shielding piece is a shielding piece contact end, the shielding piece contact end is provided with a plurality of raised second contacts, and the raised direction of the second contacts is opposite to the raised direction of the first contacts; the ground wire contact end and the shielding piece contact end are in effective contact with the contact pin, a plurality of first contacts of the ground wire contact end are in contact with the contact pin, and a plurality of second contacts of the shielding piece contact end are in contact with the contact pin.
Description
Technical Field
The application relates to the technical field of communication, in particular to a multi-contact electric connector and electronic equipment.
Background
In the field of communications, an electrical connector is used as a novel connection device for transmitting high-speed signals, and relates to the overall quality of signal transmission in the whole data communication system, which is an essential key component of electronic equipment. The types of the connecting devices in the market are various, the structures are different, but the structures are influenced by the inherent structures of the connecting devices in the signal transmission process, signal distortion is easily caused by self impedance and signal crosstalk, and the transmission effect and speed are influenced, so that the structure of the existing connector is required to be researched and improved.
Disclosure of Invention
In view of the above, the present application provides an electrical connector and an electronic device to effectively improve the above-mentioned problems.
In order to achieve the above purpose, the present application provides the following technical solutions:
in one aspect, an embodiment of the present application provides an electrical connector, including a ground trace, a shield, the shield being a plate-shaped shield communicable to the ground trace; the end part of the ground wire is a ground wire contact end, and the ground wire contact end is provided with a plurality of raised first contacts; the end part of the shielding piece is a shielding piece contact end, the shielding piece contact end is provided with a plurality of raised second contacts, and the raised direction of the second contacts is opposite to the raised direction of the first contacts; the ground wire contact end and the shielding piece contact end are in effective contact with the contact pin, a plurality of first contacts of the ground wire contact end are in contact with the contact pin, and a plurality of second contacts of the shielding piece contact end are in contact with the contact pin.
In an alternative embodiment of the application, the shield is a metal shield.
In an alternative embodiment of the present application, the plurality of first contacts includes a first sub-contact and a second sub-contact, the first sub-contact is disposed at a top end portion of the ground wire contact end, and the second sub-contact is disposed at a position of the ground wire contact end close to the ground wire.
In an alternative embodiment of the present application, the ground wire contact end includes a first main body, a first connecting member, and a first dome structure, one end of the first connecting member is fixedly connected to the first main body, the other end of the first connecting member is connected to the first dome structure, the first dome structure faces the shielding member, and the second sub-contact is formed on the first dome structure.
In an alternative embodiment of the present application, the plurality of second contacts includes a third sub-contact and a fourth sub-contact, the third sub-contact being disposed at a top end portion of the shield contact end, and the fourth sub-contact being disposed at a position of the shield contact end near the shield.
In an alternative embodiment of the present application, the shield contact end includes a second main body, a second connecting member, and a second dome structure, one end of the second connecting member is fixedly connected to the second main body, the other end of the second connecting member is connected to the second dome structure, the second dome structure faces the first dome structure, and the fourth sub-contact is formed on the second dome structure.
In an alternative embodiment of the present application, a differential pair is further included, and the differential pair is disposed between the two ground wires.
In another aspect, an embodiment of the present application provides an electronic device, including a device body and an electrical connector connected to the device body, and mating with an inter-working connector, the inter-working connector including a pin, the electrical connector including a ground trace, a shield, the shield being a plate-shaped shield, the plate-shaped shield being communicable to the ground trace; the end part of the ground wire is a ground wire contact end, and the ground wire contact end is provided with a plurality of raised first contacts; the end part of the shielding piece is a shielding piece contact end, the shielding piece contact end is provided with a plurality of raised second contacts, and the raised direction of the second contacts is opposite to the raised direction of the first contacts; the ground wire contact end and the shielding piece contact end are in effective contact with the contact pin, a plurality of first contacts of the ground wire contact end are in contact with the contact pin, and a plurality of second contacts of the shielding piece contact end are in contact with the contact pin.
In an alternative embodiment of the application, the shield is a metal shield.
In an alternative embodiment of the present application, the plurality of first contacts includes a first sub-contact and a second sub-contact, the first sub-contact is disposed at a top end portion of the ground wire contact end, and the second sub-contact is disposed at a position of the ground wire contact end close to the ground wire.
The electric connector and the electronic equipment provided by the embodiment of the application have the beneficial effects that:
the multi-contact electric connector and the electronic equipment provided by the embodiment of the application comprise a ground wire, a shielding piece and a contact pin, wherein the shielding piece is a plate-shaped shielding piece, and the plate-shaped shielding piece can bear the ground wire. The end part of the ground wire is connected with a ground wire contact end, and the ground wire contact end is provided with a plurality of raised first contacts; the end part of the shielding piece is connected with a shielding piece contact end, the shielding piece contact end is provided with a plurality of raised second contacts, and the raised direction of the second contacts is opposite to the raised direction of the first contacts; the ground wire contact end and the shielding piece contact end clamp the contact pin, a plurality of first contacts of the ground wire contact end are contacted with the contact pin, and a plurality of second contacts of the shielding piece contact end are contacted with the contact pin. In the embodiment of the application, the ground wire can be contacted with the contact pin through the plurality of first contacts, the contact pin can be contacted with the shielding member through the plurality of second contacts, the electric signal can be grounded through the shielding member, the plurality of second contacts, the contact pin, the plurality of first contacts and the ground wire in sequence, and the existence of the plurality of first contacts and the plurality of second contacts increases the flow channel of the electric signal, so that the signal reflux path is shortened, and the crosstalk rate of a product is reduced.
Drawings
For a clearer description of embodiments of the application or of solutions in the prior art, the drawings that are used in the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a part of a structure of an electrical connector according to an embodiment of the present application;
FIG. 2 is a schematic view of a portion of the electrical connector shown in FIG. 1;
FIG. 3 is a schematic view of a portion of an electrical connector according to another embodiment of the present application;
fig. 4 is a schematic view of a part of a structure of an electrical connector according to another embodiment of the present application.
Icon: a ground trace 110; a shield 120; a pin 130; a ground trace contact 140; a first contact 141; a first body 142; a first connection member 143; a first dome structure 144; a shield contact end 150; a second contact 151; a second body 152; a second connection 153; a second dome structure 154.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The following detailed description of the embodiments of the application, provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present application.
Examples
Referring to fig. 1 for details, fig. 1 shows an electrical connector according to a first embodiment of the present application, the electrical connector includes a ground trace 110, a shielding member 120 and a pin 130, the shielding member 120 is a plate-shaped shielding member 120, the plate-shaped shielding member 120 can be connected to the ground trace 110, and the pin 130 is disposed between the ground trace 110 and the shielding member 120. A differential pair may be further disposed between the two ground wires 110, and the ground wires 110 are disposed on the plate-shaped shielding member 120 at intervals from the differential pair.
The end of the ground trace 110 is a ground trace contact end 140, referring to the lower direction shown in fig. 1 and fig. 2, the ground trace contact end 140 may be provided with a plurality of raised first contacts 141. The number of the first contacts 141 may be two or more, and the number of the first contacts 141 should not be construed as limiting the present application.
The first contact 141 may specifically include a first sub-contact and a second sub-contact, where the first sub-contact is disposed at an end of the ground trace contact 140, that is, a position of the ground trace contact 140 away from the shield 120 shown in fig. 2; the second sub-contact is disposed at the ground trace contact end 140 near the ground trace 110.
The ground contact 140 may include a first body 142, a first connector 143, and a first dome 144. The first body 142 may be a cylindrical body with one end bent, and the width of the bent end is greater than that of the cylindrical structure.
One end of the first connecting piece 143 is fixedly connected with one side of the end portion, close to the bending end portion, of the first main body 142, the other end of the first connecting piece 143 is connected with the first circular arch structure 144, and the circular arch radian direction of the first circular arch structure 144 faces the shielding piece 120. The first sub-contact is formed at the bent end of the ground trace contact 140, and the second sub-contact is formed at the first dome 144.
The end of the shield 120 is connected with a shield contact end 150, the shield contact end 150 is provided with a plurality of raised second contacts 151, and the number of the second contacts 151 may be the same as or different from the number of the first contacts 141. And the protruding direction of the second contact 151 is opposite to the protruding direction of the first contact 141. The shield 120 may specifically be a metal shield 120.
The middle of the ground wire contact 140 and the shield contact 150 is in contact with the pin 130, and the first contacts 141 are all in contact with the pin 130, and the second contacts 151 are all in contact with the pin 130. In one embodiment of the present application, the ground trace contact 140 contacts the pin 130 through a plurality of first contacts 141 and the shield contact 150 contacts the pin 130 through a plurality of second contacts 151.
The second contact 151 may include a third sub-contact disposed at an end of the shield contact 150 and a fourth sub-contact disposed at a position of the shield contact 150 near the shield 120.
The shield contact 150 includes a second main body 152, a second connecting member 153, and a second dome structure 154, where the second main body 152 includes a plurality of rectangular frames with different sizes, as shown in fig. 2 and 3, the rectangular frames with smaller sizes are disposed at the end of the shield contact 150, and a protruding bending structure is connected in the rectangular frames with smaller sizes, and the protruding direction of the bending structure is opposite to the first sub-contact, and the third sub-contact is formed on the bending structure.
The rectangular frame with larger size is further arranged in the extending direction of the long side of the rectangular frame with smaller size, one end of the second connecting piece 153 is fixedly connected with the short side of the rectangular frame with larger size, which is close to one side of the rectangular frame with smaller size, the other end of the second connecting piece 153 is connected with the second circular arch structure 154, the arc of the second circular arch structure 154 faces to the arc of the first circular arch structure 144, and the fourth sub-contact is formed on the second circular arch structure 154.
The working principle of the multi-contact electric connector provided by the embodiment of the application is as follows:
the ground trace 110 may contact the pin 130 through the plurality of first contacts 141, the pin 130 may contact the shield 120 through the plurality of second contacts 151, referring to fig. 4, the electrical signal may be sequentially grounded through the shield 120, the plurality of second contacts 151, the pin 130, the plurality of first contacts 141, and the ground trace 110, and each of the plurality of first contacts 141 and each of the plurality of second contacts 151 may form a plurality of flow channels through the corresponding first contacts 141 and second contacts 151 to supply the electrical signal, thereby increasing the flow channels of the electrical signal, shortening the signal return path, and further reducing the crosstalk rate of the product.
The embodiment of the application also provides electronic equipment, which comprises an equipment body and an electric connector connected with the equipment body. The electronic device may be a communication device for data transmission, e.g. a switch, gateway device, etc.
The multi-contact electric connector and the electronic equipment provided by the embodiment of the application are matched with an inter-fit connector, wherein the inter-fit connector comprises a contact pin, the electric connector comprises a ground wire and a shielding piece, the shielding piece is a plate-shaped shielding piece, and the plate-shaped shielding piece can be communicated with the ground wire; the end part of the ground wire is a ground wire contact end, and the ground wire contact end is provided with a plurality of raised first contacts; the end part of the shielding piece is a shielding piece contact end, the shielding piece contact end is provided with a plurality of raised second contacts, and the raised direction of the second contacts is opposite to the raised direction of the first contacts; the ground wire contact end and the shielding piece contact end are in effective contact with the contact pin, a plurality of first contacts of the ground wire contact end are in contact with the contact pin, and a plurality of second contacts of the shielding piece contact end are in contact with the contact pin. In the embodiment of the application, the ground wire can be contacted with the contact pin through the plurality of first contacts, the contact pin can be contacted with the shielding member through the plurality of second contacts, the electric signal can be grounded through the shielding member, the plurality of second contacts, the contact pin, the plurality of first contacts and the ground wire in sequence, and the existence of the plurality of first contacts and the plurality of second contacts increases the flow channel of the electric signal, so that the signal reflux path is shortened, and the crosstalk rate of a product is reduced.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application are clearly and completely described above in conjunction with the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Accordingly, the above detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the application as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Claims (8)
1. An electric connector matched with an inter-fit connector, wherein the inter-fit connector comprises a contact pin, and the electric connector is characterized by comprising a ground wire and a shielding piece, wherein the shielding piece is a plate-shaped shielding piece, and the plate-shaped shielding piece can be communicated with the ground wire;
the end part of the ground wire is a ground wire contact end, and the ground wire contact end is provided with a plurality of raised first contacts;
the end part of the shielding piece is a shielding piece contact end, the shielding piece contact end is provided with a plurality of raised second contacts, and the raised direction of the second contacts is opposite to the raised direction of the first contacts;
the ground wire contact end and the shielding piece contact end are in effective contact with the contact pin, a plurality of first contacts of the ground wire contact end are all in contact with the contact pin, and a plurality of second contacts of the shielding piece contact end are all in contact with the contact pin;
wherein the plurality of first contacts includes a second sub-contact; the ground wire contact end comprises a first main body, a first connecting piece and a first circular arch structure, one end of the first connecting piece is fixedly connected with the first main body, the other end of the first connecting piece is connected with the first circular arch structure, the first circular arch structure faces the shielding piece, and the second sub-contact is formed on the first circular arch structure;
the plurality of second contacts includes a fourth sub-contact; the shielding piece contact end comprises a second main body, a second connecting piece and a second circular arch structure, one end of the second connecting piece is fixedly connected with the second main body, the other end of the second connecting piece is connected with the second circular arch structure, the second circular arch structure faces the first circular arch structure, and the fourth sub-contact is formed in the second circular arch structure.
2. The electrical connector of claim 1, wherein: the shield is a metal shield.
3. The electrical connector of claim 1, wherein: the plurality of first contacts comprise first sub-contacts, the first sub-contacts are arranged at the top end part of the ground wire contact end, and the second sub-contacts are arranged at the position, close to the ground wire, of the ground wire contact end.
4. The electrical connector of claim 1, wherein: the plurality of second contacts comprise a third sub-contact which is arranged at the top end part of the contact end of the shielding piece, and a fourth sub-contact which is arranged at the position of the contact end of the shielding piece, which is close to the shielding piece.
5. The electrical connector of claim 1, wherein: the differential pair is arranged between the two ground wires.
6. An electronic device, characterized in that: the device comprises a device body and the electrical connector as claimed in any one of claims 1-5 connected with the device body, wherein the electrical connector is matched with a mutual connector, the mutual connector comprises a contact pin, the electrical connector comprises a ground wire and a shielding piece, the shielding piece is a plate-shaped shielding piece, and the plate-shaped shielding piece can be communicated with the ground wire;
the end part of the ground wire is a ground wire contact end, and the ground wire contact end is provided with a plurality of raised first contacts;
the end part of the shielding piece is a shielding piece contact end, the shielding piece contact end is provided with a plurality of raised second contacts, and the raised direction of the second contacts is opposite to the raised direction of the first contacts;
the ground wire contact end and the shielding piece contact end are in effective contact with the contact pin, a plurality of first contacts of the ground wire contact end are in contact with the contact pin, and a plurality of second contacts of the shielding piece contact end are in contact with the contact pin.
7. The electronic device of claim 6, wherein: the shield is a metal shield.
8. The electronic device of claim 6, wherein: the plurality of first contacts comprise first sub-contacts and second sub-contacts, the first sub-contacts are arranged at the top end part of the ground wire contact end, and the second sub-contacts are arranged at the position, close to the ground wire, of the ground wire contact end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810980950.3A CN109088200B (en) | 2018-08-27 | 2018-08-27 | Multi-contact electric connector and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810980950.3A CN109088200B (en) | 2018-08-27 | 2018-08-27 | Multi-contact electric connector and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109088200A CN109088200A (en) | 2018-12-25 |
| CN109088200B true CN109088200B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810980950.3A Active CN109088200B (en) | 2018-08-27 | 2018-08-27 | Multi-contact electric connector and electronic equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN109088200B (en) |
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|---|---|---|---|---|
| CN109546459B (en) * | 2019-01-09 | 2023-10-10 | 四川华丰科技股份有限公司 | Female end signal transmission module with metal shielding plate |
| CN109659771B (en) * | 2019-01-09 | 2023-10-10 | 四川华丰科技股份有限公司 | High-speed differential signal connector with shielding effect |
| CN109616804B (en) * | 2019-01-18 | 2023-10-10 | 四川华丰科技股份有限公司 | Female end structure of backboard connector |
| CN109546457B (en) * | 2019-01-18 | 2023-10-10 | 四川华丰科技股份有限公司 | Odd-even module for high-speed connector |
| CN109830854B (en) * | 2019-03-29 | 2024-02-23 | 四川华丰科技股份有限公司 | Shielding assembly for high-speed connector, module structure and high-speed connector |
| CN109768438B (en) * | 2019-03-29 | 2024-02-09 | 四川华丰科技股份有限公司 | Shielding assembly for high-speed connector, module structure and high-speed connector |
| CN109818211B (en) * | 2019-04-09 | 2024-04-19 | 四川华丰科技股份有限公司 | Shielding plate, conducting end protecting sheet, module structure and electric connector |
| CN109861034B (en) * | 2019-04-09 | 2023-12-05 | 四川华丰科技股份有限公司 | Shielding plate, module structure with shielding plate and electric connector |
| CN110011095B (en) * | 2019-04-09 | 2024-04-19 | 四川华丰科技股份有限公司 | Shielding plate, module structure and electric connector |
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| CN103151649A (en) * | 2013-03-22 | 2013-06-12 | 四川华丰企业集团有限公司 | High-speed signal connector adopting special-shaped shield plate |
| CN104300315A (en) * | 2013-12-05 | 2015-01-21 | 中航光电科技股份有限公司 | Difference module and full-shielding-type difference connector using the module |
| CN107359479A (en) * | 2017-08-08 | 2017-11-17 | 四川华丰企业集团有限公司 | High-speed signal connector with semi-packing type barricade |
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| CN109088200A (en) | 2018-12-25 |
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