CN111082268A - Integrated connecting device and connecting method for high-speed bullet train Ethernet connector and control signal electric connector - Google Patents
Integrated connecting device and connecting method for high-speed bullet train Ethernet connector and control signal electric connector Download PDFInfo
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- CN111082268A CN111082268A CN201911410160.2A CN201911410160A CN111082268A CN 111082268 A CN111082268 A CN 111082268A CN 201911410160 A CN201911410160 A CN 201911410160A CN 111082268 A CN111082268 A CN 111082268A
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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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
高速动车以太网连接器和控制信号电连接器的集成连接装置是在不改变固有连接器的装配方式及电气性能的前提下设计的，将网络连接器的屏蔽模块组件与控制信号连接器的绝缘体融合在一起，通过控制信号连接器的绝缘体将控制信号线的针孔直接插入，再将网络连接器的屏蔽模块组件入，实现控制信号连接器与多路网络连接器的集中，从而有效减少了动车上连接器的数量，由此减少动车自身重量。
The integrated connection device for Ethernet connectors and control signal electrical connectors in high-speed trains is designed without changing the assembly method and electrical performance of the inherent connectors. It integrates the shielding module of the network connector with the insulator of the control signal connector. The pinhole of the control signal line is directly inserted through the insulator of the control signal connector, and then the shielding module of the network connector is inserted. This realizes the centralization of the control signal connector and the multi-channel network connector, thereby effectively reducing the number of connectors on the train and thus reducing the weight of the train itself.
Description
Technical Field
The invention belongs to the technical field of high-speed motor car electric connectors, and particularly relates to an integrated connecting device and a connecting method of an Ethernet connector and a control signal electric connector of a high-speed motor car.
Background
The existing rectangular connectors are all connectors for separating control signals from a network, and the weight requirement of high-speed trains on vehicles is higher and higher, so that the integration of various connectors is particularly important.
The existing rectangular connector control signal and the multipath network are two separated connectors, on one hand, the connectors are large in number, occupy more positions on a vehicle, the weight of the vehicle is increased, and on the other hand, the overall cost is increased.
Disclosure of Invention
The invention provides a rectangular connecting device and a connecting method aiming at the technical defects in the prior art, and aims to solve the problems that the conventional rectangular control signal electric connector and a multipath network connector are separately arranged, the number of the connectors is large, the occupied positions on a vehicle are large, and the weight of the vehicle is large.
The integrated connecting device of the high-speed bullet train Ethernet connector and the control signal electric connector is designed on the premise of not changing the assembly mode and the electric performance of the inherent connector, and specifically comprises a plug and a socket, wherein the plug is inserted into the socket;
the socket comprises a conventional control signal electric connector and a plurality of network shielding modules, wherein the network shielding modules are integrated in the conventional control signal electric connector through insulators to form a whole, and contact pins are arranged in the network shielding modules in the socket; the contact pin is a metal connecting piece with two hollow ends;
the network shielding module of the socket comprises a shielding shell, a shielding module insulator, a tooth sleeve, a shielding pressing sleeve, a contact pin, an O-shaped sealing ring and a tail nut;
the cable is sleeved with the tail nut and the shielding pressing sleeve in sequence, and the end of the cable is inserted into the hollow hole of the contact pin after being peeled;
the shielding module insulator is narrow at one end and wide at the other end, a through hole is formed in the shielding module insulator, and the contact pin is inserted into the through hole of the shielding module insulator at the wider end;
the narrow end shielding module insulator is sleeved with a fixed chuck, the inner diameter of the fixed chuck is matched with the outer diameter of the narrow end shielding module insulator, and the outer wall of the fixed chuck is provided with a protruding fixed block;
the outer surface of one end of the shielding shell is provided with threads, the inner wall of the other end of the shielding shell is provided with a groove, and the groove in the inner wall of the shielding shell is matched with the protruding fixing block for fixing the outer wall of the clamping head; a gear sleeve is arranged in the middle of the outer wall of the shielding shell; the shielding shell is pressed and buckled on the shielding module insulator;
the inner wall of the tail nut is provided with internal threads, and the tail nut is screwed on the threads of the shielding shell;
the plug comprises a plug shell, an insulator and a plurality of network module components; the network module component of the socket is wrapped by an insulator; the network module component of the plug and the network module component of the socket have the same structure, and the tail end of a contact pin of the plug is provided with a contact pin terminal;
the signal control lead is pressed and connected with the contact pin and the contact pin terminal and then inserted into the insulator of the plug, and the signal control lead and the cable are fixed with the wire fixing plate by the binding belt;
the number of the network shielding modules in the plug and the socket is the same, and the number of the network shielding modules in the plug and the socket is at least 2, and the number of the signal control lead joints in the plug and the socket is the same;
the pin terminals of the plug are inserted into the pins of the socket.
Furthermore, the shielding pressing sleeve is provided with an external thread, and the external thread of the shielding pressing sleeve is matched with the internal thread of the inner wall of the tail nut.
Furthermore, an O-shaped sealing ring is arranged in the tail nut, an annular groove is formed in the outer surface of the shielding pressing sleeve, and the O-shaped sealing ring is arranged in the groove.
Furthermore, the cable end and the contact pin are in cold-pressing compression joint.
Furthermore, after the plug is plugged into the socket, the shielding shell of the plug contacts with the shielding shell of the socket, so that the shielding wires at two ends are conducted.
In order to achieve the purpose, the invention also provides an integrated connection method of the Ethernet connector and the control signal electric connector of the high-speed bullet train, which comprises the following steps:
the method comprises the following steps: the shielded cable penetrates through the tail nut and the shielding pressing sleeve, and then the shielded cable is stripped and picked;
step two: pressing the stripped wire to a contact pin, inserting the contact pin into an insulator of the shielding module, then loading the contact pin into a shielding shell, and screwing a shielding pressing sleeve of the shielding module and the shielding shell tightly;
step three: respectively loading the assembled shielding module components into a large insulator;
step four: inserting the signal control lead into the insulator after being pressed with the pinhole, and fixing the cable and the wire fixing plate by using a binding belt;
step five: after the plug is plugged with the socket, the shielding shell of the plug is contacted with the shielding shell of the socket, so that the shielding wires at two ends are conducted.
The technical scheme of the invention has the beneficial effects that: the technical solution is that the existing rectangular control signal electric connector and the multipath network connector are separately arranged, the number of connectors is large, more positions are occupied on the vehicle, the weight of the vehicle is large, and the designed control signal electric connector and the multipath network connector are integrated together, so that the rectangular control signal electric connector has the advantages of simple structure, convenience in operation and capability of effectively reducing the weight of the vehicle.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a network shielding module of the integrated connection device according to the present invention;
FIG. 2 is a schematic view of the cable attachment of the integrated connection device of the present invention;
fig. 3 is a schematic diagram illustrating pin fixing of the network shielding module according to the present invention;
fig. 4 is a schematic view of the insulator fixing of the shielding module of the network shielding module according to the present invention;
in the figure: the cable comprises a cable 1, a shielding module insulator 2, a shielding shell 3, a tooth sleeve 4, a shielding pressing sleeve 5, a hollow hole 6, a 7O-shaped sealing ring, a nut 8, a pin 9, a cable wire 10, a fixed clamping head 11, a cable shielding layer 12 and a shielding pressing sleeve thread 13.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to specific examples.
As shown in fig. 1 to 4, the integrated connection device of the ethernet connector and the control signal electrical connector of the high-speed motor car according to the present invention is designed without changing the assembly manner and the electrical performance of the inherent connector, and specifically includes a plug and a socket, wherein the plug is inserted into the socket;
the socket comprises a conventional control signal electric connector and a plurality of network shielding modules, wherein the network shielding modules are integrated in the conventional control signal electric connector through insulators to form a whole, and contact pins are arranged in the network shielding modules in the socket; the contact pin 9 is a metal connecting piece with two hollow ends;
the network shielding module of the socket comprises a shielding shell 3, a shielding module insulator 2, a gear sleeve 4, a shielding pressing sleeve 5, a contact pin 9, an O-shaped sealing ring 7 and a tail nut 8;
the cable 1 is sequentially sleeved with the tail nut 8 and the shielding pressing sleeve 4, the end of a cable wire 10 is peeled and then inserted into the hollow hole 6 of the contact pin 9, and meanwhile, the cable shielding layer 12 is bent backwards;
the shielding module insulator 2 is narrow at one end and wide at the other end, a through hole is formed in the shielding module insulator 2, and the contact pin 9 is inserted into the through hole of the shielding module insulator 2 at the wider end;
a fixed chuck 11 is sleeved on the narrow end shielding module insulator, the inner diameter of the fixed chuck 11 is matched with the outer diameter of the narrow end shielding module insulator 2, and a protruding fixed block is arranged on the outer wall of the fixed chuck 11;
the outer surface of one end of the shielding shell 3 is provided with threads, the inner wall of the other end of the shielding shell is provided with a groove, and the groove in the inner wall of the shielding shell is matched with the protruding fixing block on the outer wall of the fixing chuck 11; a gear sleeve 4 is arranged in the middle of the outer wall of the shielding shell 3; the shielding shell 3 is pressed and buckled on the shielding module insulator 2;
the inner wall of the tail nut 8 is provided with internal threads, and the tail nut 8 is screwed on the threads of the shielding shell 3;
the plug comprises a plug shell, an insulator and a plurality of network module components; the network module component of the socket is wrapped by an insulator; the network module component of the plug and the network module component of the socket have the same structure, and the tail end of a contact pin of the plug is provided with a contact pin terminal;
the signal control lead is pressed and connected with the contact pin and the contact pin terminal and then inserted into the insulator of the plug, and the signal control lead and the cable are fixed with the wire fixing plate by the binding belt;
the number of the network shielding modules in the plug and the socket is the same, and the number of the network shielding modules in the plug and the socket is at least 2, and the number of the signal control lead joints in the plug and the socket is the same;
the pin terminals of the plug are inserted into the pins of the socket.
In order to ensure the overall stability of the network shielding module, the shielding pressing sleeve is provided with an external thread 13, and the external thread of the shielding pressing sleeve is matched with the internal thread of the inner wall of the tail nut; an O-shaped sealing ring is arranged in the tail nut, an annular groove is formed in the outer surface of the shielding pressing sleeve, and the O-shaped sealing ring is arranged in the groove; and the cable end and the contact pin are in cold-pressing compression joint.
After the plug is plugged with the socket, the shielding shell of the plug is contacted with the shielding shell of the socket, so that the shielding wires at two ends are conducted.
In order to achieve the purpose, the invention also provides an integrated connection method of the Ethernet connector and the control signal electric connector of the high-speed bullet train, which comprises the following steps:
the method comprises the following steps: the shielded cable penetrates through the tail nut and the shielding pressing sleeve, and then the shielded cable is stripped and picked;
step two: pressing the stripped wire to a contact pin, inserting the contact pin into an insulator of the shielding module, then loading the contact pin into a shielding shell, and screwing a shielding pressing sleeve of the shielding module and the shielding shell tightly;
step three: respectively loading the assembled shielding module components into a large insulator;
step four: inserting the signal control lead into the insulator after being pressed with the pinhole, and fixing the cable and the wire fixing plate by using a binding belt;
step five: after the plug is plugged with the socket, the shielding shell of the plug is contacted with the shielding shell of the socket, so that the shielding wires at two ends are conducted.
The integrated connecting device of the Ethernet connector and the control signal electric connector of the high-speed motor car is designed on the premise of not changing the assembly mode and the electric performance of the inherent connector, the technical scheme of the invention is to fuse the shielding module component of the network connector and the insulator of the control signal connector together, the pin hole of the control signal wire is directly inserted through the insulator of the control signal connector, and then the shielding module component of the network connector is inserted to realize the concentration of the control signal connector and the multipath network connector, thereby effectively reducing the number of the connectors on the motor car and further reducing the self weight of the motor car.
The integrated connection device and the connection method for the ethernet connector and the control signal electrical connector of the high-speed motor car provided by the invention are described in detail above, and the principles and the embodiments of the present application are explained herein by applying the embodiments, and the description of the embodiments is only used to help understand the method and the core ideas of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (6)
1. High-speed motor car ethernet connector and control signal electric connector's integrated connecting device, its characterized in that: the integrated connecting device is designed on the premise of not changing the assembly mode and the electrical performance of the inherent connector, and specifically comprises a plug and a socket, wherein the plug is inserted into the socket;
the socket comprises a conventional control signal electric connector and a plurality of network shielding modules, wherein the network shielding modules are integrated in the conventional control signal electric connector through insulators to form a whole, and contact pins are arranged in the network shielding modules in the socket; the contact pin is a metal connecting piece with two hollow ends;
the network shielding module of the socket comprises a shielding shell, a shielding module insulator, a tooth sleeve, a shielding pressing sleeve, a contact pin, an O-shaped sealing ring and a tail nut;
the cable is sleeved with the tail nut and the shielding pressing sleeve in sequence, and the end of the cable is inserted into the hollow hole of the contact pin after being peeled;
the shielding module insulator is narrow at one end and wide at the other end, a through hole is formed in the shielding module insulator, and the contact pin is inserted into the through hole of the shielding module insulator at the wider end;
the narrow end shielding module insulator is sleeved with a fixed chuck, the inner diameter of the fixed chuck is matched with the outer diameter of the narrow end shielding module insulator, and the outer wall of the fixed chuck is provided with a protruding fixed block;
the outer surface of one end of the shielding shell is provided with threads, the inner wall of the other end of the shielding shell is provided with a groove, and the groove in the inner wall of the shielding shell is matched with the protruding fixing block for fixing the outer wall of the clamping head; a gear sleeve is arranged in the middle of the outer wall of the shielding shell; the shielding shell is pressed and buckled on the shielding module insulator;
the inner wall of the tail nut is provided with internal threads, and the tail nut is screwed on the threads of the shielding shell;
the plug comprises a plug shell, an insulator and a plurality of network module components; the network module component of the socket is wrapped by an insulator; the network module component of the plug and the network module component of the socket have the same structure, and the tail end of a contact pin of the plug is provided with a contact pin terminal;
the signal control lead is pressed and connected with the contact pin and the contact pin terminal and then inserted into the insulator of the plug, and the signal control lead and the cable are fixed with the wire fixing plate by the binding belt;
the number of the network shielding modules in the plug and the socket is the same, and the number of the network shielding modules in the plug and the socket is at least 2, and the number of the signal control lead joints in the plug and the socket is the same;
the pin terminals of the plug are inserted into the pins of the socket.
2. The integrated connection device of high-speed motor car Ethernet connector and control signal electric connector of claim 1, characterized in that: the shielding pressing sleeve is provided with an external thread, and the external thread of the shielding pressing sleeve is matched with the internal thread of the inner wall of the tail nut.
3. The integrated connection device of high-speed motor car Ethernet connector and control signal electric connector of claim 1, characterized in that: an O-shaped sealing ring is arranged in the tail nut, an annular groove is formed in the outer surface of the shielding pressing sleeve, and the O-shaped sealing ring is arranged in the groove.
4. The integrated connection device of high-speed motor car Ethernet connector and control signal electric connector of claim 1, characterized in that: and the cable end and the contact pin are in cold-pressing compression joint.
5. The integrated connection device of high-speed motor car Ethernet connector and control signal electric connector of claim 1, characterized in that: after the plug is plugged with the socket, the shielding shell of the plug is contacted with the shielding shell of the socket, so that the shielding wires at two ends are conducted.
6. The integrated connection method of the high-speed bullet train Ethernet connector and the control signal electric connector is characterized in that: the integrated connection method specifically comprises the following steps:
the method comprises the following steps: the shielded cable penetrates through the tail nut and the shielding pressing sleeve, and then the shielded cable is stripped and picked;
step two: pressing the stripped wire to a contact pin, inserting the contact pin into an insulator of the shielding module, then loading the contact pin into a shielding shell, and screwing a shielding pressing sleeve of the shielding module and the shielding shell tightly;
step three: respectively loading the assembled shielding module components into a large insulator;
step four: inserting the signal control lead into the insulator after being pressed with the pinhole, and fixing the cable and the wire fixing plate by using a binding belt;
step five: after the plug is plugged with the socket, the shielding shell of the plug is contacted with the shielding shell of the socket, so that the shielding wires at two ends are conducted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911410160.2A CN111082268A (en) | 2019-12-31 | 2019-12-31 | Integrated connecting device and connecting method for high-speed bullet train Ethernet connector and control signal electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911410160.2A CN111082268A (en) | 2019-12-31 | 2019-12-31 | Integrated connecting device and connecting method for high-speed bullet train Ethernet connector and control signal electric connector |
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| Publication Number | Publication Date |
|---|---|
| CN111082268A true CN111082268A (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911410160.2A Pending CN111082268A (en) | 2019-12-31 | 2019-12-31 | Integrated connecting device and connecting method for high-speed bullet train Ethernet connector and control signal electric connector |
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| CN (1) | CN111082268A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531381A (en) * | 2020-11-26 | 2021-03-19 | 中国核动力研究设计院 | Shielding twisted-pair conductor connector |
| CN112864728A (en) * | 2021-02-26 | 2021-05-28 | 广东林积为实业投资有限公司 | High-frequency single-pair differential connector |
| CN113161802A (en) * | 2021-04-07 | 2021-07-23 | 四川永贵科技有限公司 | Connector structure and module mixed circular connector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199168A (en) * | 2017-12-30 | 2018-06-22 | 珠海市业成轨道交通设备科技有限公司 | A kind of high speed motor car rectangle difference channel electric connector |
| CN108199163A (en) * | 2017-12-30 | 2018-06-22 | 珠海市业成轨道交通设备科技有限公司 | A kind of high speed motor car circular shield modular connector |
| CN211700803U (en) * | 2019-12-31 | 2020-10-16 | 深圳市中车业成实业有限公司 | Integrated connecting device of high-speed motor car Ethernet connector and control signal electric connector |
-
2019
- 2019-12-31 CN CN201911410160.2A patent/CN111082268A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199168A (en) * | 2017-12-30 | 2018-06-22 | 珠海市业成轨道交通设备科技有限公司 | A kind of high speed motor car rectangle difference channel electric connector |
| CN108199163A (en) * | 2017-12-30 | 2018-06-22 | 珠海市业成轨道交通设备科技有限公司 | A kind of high speed motor car circular shield modular connector |
| CN211700803U (en) * | 2019-12-31 | 2020-10-16 | 深圳市中车业成实业有限公司 | Integrated connecting device of high-speed motor car Ethernet connector and control signal electric connector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531381A (en) * | 2020-11-26 | 2021-03-19 | 中国核动力研究设计院 | Shielding twisted-pair conductor connector |
| CN112864728A (en) * | 2021-02-26 | 2021-05-28 | 广东林积为实业投资有限公司 | High-frequency single-pair differential connector |
| CN113161802A (en) * | 2021-04-07 | 2021-07-23 | 四川永贵科技有限公司 | Connector structure and module mixed circular connector |
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Application publication date: 20200428 |
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| RJ01 | Rejection of invention patent application after publication |