CN113314885A - Plug and socket assembly and charging device - Google Patents

Abstract

The invention discloses a plug and socket assembly and a charging device, and belongs to the field of electrical equipment. The plug and socket assembly includes a plug body and a socket body. The plug body comprises a plug shell, an insulating column, a plurality of conducting parts, a communication socket or a communication plug, wherein the insulating column is inserted in the plug shell, and the conducting parts, the communication socket or the communication plug are all inserted in the insulating column. The socket body comprises a socket shell, a female core, a plurality of conductive grooves, a communication plug or a communication socket, the female core is inserted into the socket shell, the conductive grooves, the communication plug or the communication socket are located on the female core, the conductive parts are inserted into the corresponding conductive grooves to realize electric connection, a plurality of first optical fiber connectors are inserted into the communication socket, and a plurality of second optical fiber connectors are inserted into the communication plug. The plug and socket assembly provided by the invention only needs to be operated once in charging and communication operations, and has high operation efficiency.

Description

Plug and socket assembly and charging device

Technical Field

The invention belongs to the field of electrical equipment, and particularly relates to a plug and socket assembly and a charging device.

Background

A shore power plug and socket assembly (comprising a plug and a socket) is used in shore power connection systems, in particular for transferring power from shore to a vessel docked at a port.

In the related technology, a plug is arranged at the end part of a cable on a ship, a shore power box is arranged on a wharf, a socket is installed on the shore power box, and the plug is plugged in the socket after the ship is landed to realize ship shore power connection so as to supply power to the ship. For realizing ship bank communication when transmitting electric power, generally can set up fiber socket at the plug afterbody, set up fiber connector on the bank electronic box, be connected with one section on the fiber connector and stretch out fiber connector's optic fibre line.

However, when the ship is used for power transmission and communication, the plug and the socket need to be plugged, and then the optical fiber line on the optical fiber connector is plugged into the optical fiber socket to realize ship-shore communication; after the power transmission and the communication are completed, the plug needs to be pulled out from the socket and the optical fiber line needs to be pulled out from the optical fiber socket. The ship shore power-on and communication mode of the mode needs to be plugged and pulled twice during operation, and the operation is complicated.

Disclosure of Invention

In view of the above-mentioned drawbacks and needs of the prior art, the present invention provides a plug and socket assembly and a charging device, which aims to improve the operating efficiency of power transmission and communication.

In a first aspect, the present invention provides a plug and socket assembly comprising a plug body and a socket body;

the plug body comprises a plug shell, an insulating column, a plurality of conductive parts, a communication socket or a communication plug, wherein the insulating column is inserted into the plug shell, and the plurality of conductive parts, the communication socket or the communication plug are all inserted into the insulating column;

the socket body comprises a socket shell, a female core, a plurality of conductive grooves, a communication plug or a communication socket, the female core is inserted into the socket shell, the plurality of conductive grooves, the communication plug or the communication socket head are all located on the female core, the plurality of conductive grooves correspond to the plurality of conductive parts one to one, the conductive parts are inserted into the corresponding conductive grooves to achieve electric connection, the communication socket and the communication plug are arranged oppositely, a plurality of first optical fiber connectors are inserted into the communication socket, and a plurality of second optical fiber connectors which are respectively inserted into the first optical fiber connectors are inserted into the communication plug.

Optionally, the plug body includes the communication socket, the socket body includes a communication plug, the communication socket includes a first fixing column, the first fixing column is inserted into the insulating column, the first fixing column has a plurality of communication grooves, each communication groove is inserted with one first optical fiber connector, the communication plug includes a second fixing column, the second fixing column is inserted into the female core, the second fixing column is inserted with a plurality of second optical fiber connectors, and each second optical fiber connector protrudes from the second fixing column.

Optionally, the outer peripheral wall of the first fixing column has a plurality of first positioning portions protruding outward or recessed inward, each first positioning portion extends in the axial direction of the first fixing column, the second fixing column has a first guide ring coaxially and convexly arranged, the plurality of second optical fiber connectors are located in the first guide ring, the first guide ring has a plurality of second positioning portions protruding inward or outward, each second positioning portion extends in the axial direction of the second fixing column, the plurality of second positioning portions are opposite to the plurality of first positioning portions, and each second positioning portion matches with the corresponding first positioning portion.

Optionally, the communication jack further includes a guide ring, the guide ring is located on the insulating column, the guide ring is coaxial with the first fixed column and protrudes out of the first fixed column, the first fixed column is located in the guide ring, a first guide portion is provided on the guide ring, the communication plug further includes a second guide ring, the second guide ring is located on the female core, the second guide ring is coaxially sleeved on the second fixed column and protrudes out of the second fixed column, a second guide portion is provided on the second guide ring, and the second guide portion is matched with the first guide portion so as to insert or sleeve the first guide portion onto the second guide portion.

Optionally, the second fixing column is slidably inserted into the second guide ring, the second fixing column and the female core are connected together through a spring, and the expansion direction of the spring is consistent with the sliding direction of the second fixing column.

Optionally, the female core is further provided with a compression ring, and the compression ring is fixedly mounted on the female core so as to clamp the second guide ring with the female core.

Optionally, the guide ring is detachably connected with the insulating column, a first protrusion is arranged on the inner peripheral wall of the guide ring, a second protrusion is arranged on the outer peripheral wall of the first fixing column, and the first protrusion and the second protrusion are matched to abut the first fixing column against the insulating column.

Optionally, the insulating column further has an abutting ring, and the abutting ring is sandwiched between the first fixing column and the insulating column.

Optionally, the number of the conductive parts is one or more.

In a second aspect, the present invention provides a charging device comprising a plug and socket assembly according to the first aspect.

The technical scheme provided by the embodiment of the invention has the following beneficial effects:

(1) when the plug and socket assembly provided by the invention is used, the conductive part is inserted into the conductive groove, the communication plug is inserted into the communication socket, the first optical fiber connector and the second optical fiber connector are butted while charging is carried out, and shore power communication can be realized. After the charging and the communication are completed, the communication plug can be pulled out from the communication socket while the conductive part is pulled out from the socket body. The charging and communication operation only needs to be operated once, the pulling-out operation also only needs to be operated once, the operation is simple and convenient, and the time and the labor are saved.

(2) When the charging device provided by the invention is used, the conductive part is inserted into the conductive groove, and meanwhile, the communication plug is inserted into the communication socket, so that shore power communication can be realized. The charging and communication operation only needs to be operated once, the pulling-out operation also only needs to be operated once, the operation is simple and convenient, and the time and the labor are saved.

(3) According to the plug and socket assembly provided by the invention, the second fixing column is movably arranged in the second guide ring through the spring, and when the communication plug is inserted into the communication socket, the second fixing column can move up and down in the second guide ring according to the pressing force, so that the optical fiber connector is prevented from being damaged by excessive extrusion of the insertion force.

(4) According to the plug and socket assembly provided by the invention, when the communication plug is plugged with the communication socket, the first guide part on the guide ring slides along the second guide part of the second guide ring firstly, so that the first positioning part on the first fixing column is guided to enter the second positioning part of the first guide ring, the communication groove is aligned to the second optical fiber connector, accurate butt joint is realized, and the optical fiber connector is prevented from being damaged by plugging without holes.

Drawings

Fig. 1 is a schematic structural diagram of a plug and socket assembly according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a plug body according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a schematic structural diagram of a socket body according to an embodiment of the present invention;

FIG. 5 is a partial schematic view of FIG. 4;

FIG. 6 is a cross-sectional view of a plug body provided by an embodiment of the present invention;

fig. 7 is a cross-sectional view of a socket body provided by an embodiment of the present invention.

The symbols in the drawings represent the following meanings:

1. a plug body; 11. a plug housing; 12. an insulating column; 121. a butting ring; 13. a conductive portion; 14. a communication socket; 141. a first fixed column; 1411. a communication groove; 1412. a first positioning portion; 1413. a second protrusion; 142. a guide ring; 1421. a first guide portion; 1422. a first protrusion; 15. a first optical fiber connector; 2. a socket body; 21. a socket housing; 211. a cover plate; 22. a female core; 23. a conductive groove; 24. a communication plug; 241. a second fixed column; 242. a first guide ring; 2421. a second positioning portion; 243. a second guide ring; 2431. a second guide portion; 25. a second optical fiber splice; 26. a spring; 27. and a compression ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Fig. 1 is a schematic structural diagram of a plug and socket assembly according to an embodiment of the present invention, and as shown in fig. 1, the plug and socket assembly includes a plug body 1 and a socket body 2.

Fig. 2 is a schematic structural diagram of a plug body according to an embodiment of the present invention, fig. 3 is a partially enlarged view of fig. 2, and as shown in fig. 2 and fig. 3, the plug body 1 includes a plug housing 11, an insulating column 12, a plurality of conductive portions 13, a communication socket 14, or a communication plug 24, the insulating column 12 is inserted into the plug housing 11, and the plurality of conductive portions 13, the communication socket 14, or the communication plug 24 are inserted into the insulating column 12.

Fig. 4 is a schematic structural diagram of a socket body according to an embodiment of the present invention, fig. 5 is a partial schematic diagram of fig. 4, and as shown in fig. 4 and fig. 5, the socket body 2 includes a socket housing 21, a mother core 22, a plurality of conductive grooves 23, a communication plug 24, or a communication socket 14, the mother core 22 is inserted into the socket housing 21, the plurality of conductive grooves 23, the communication plug 24, or the communication socket 14 are all located on the mother core 22, the plurality of conductive grooves 23 correspond to the plurality of conductive portions 13 one to one, each conductive portion 13 is inserted into the corresponding conductive groove 23 to achieve electrical connection, the communication socket 14 and the communication plug 24 are arranged in an opposite manner, a plurality of first optical fiber splices 15 are inserted into the communication socket 14, and a plurality of second optical fiber splices 25 are inserted into the communication plug 24 for being respectively connected with the first optical fiber splices 15.

When the plug and socket assembly provided by the invention is used, the conductive part 13 is inserted into the conductive groove 23, the communication plug 24 is inserted into the communication socket 14, the first optical fiber connector 15 and the second optical fiber connector 25 are butted while charging is carried out, and shore power communication can be realized. When the charging and communication are completed, the communication plug 24 can be pulled out from the communication jack 14 while the conductive portion 13 is pulled out from the jack body 2. The charging and communication operation only needs to be operated once, the pulling-out operation also only needs to be operated once, the operation is simple and convenient, and the time and the labor are saved.

Fig. 6 is a cross-sectional view of a plug body according to an embodiment of the present invention, and as shown in fig. 4 and 6, the plug body 1 includes a communication socket 14, the socket body 2 includes a communication plug 24, the communication socket 14 includes a first fixing post 141, the first fixing post 141 is inserted into the insulating post 12, the first fixing post 141 has a plurality of communication grooves 1411, and each communication groove 1411 is inserted with a first optical fiber connector 15.

Fig. 7 is a cross-sectional view of a socket body according to an embodiment of the present invention, and as shown in fig. 5 and 7, the communication plug 24 includes a second fixing post 241, the second fixing post 241 is inserted into the female core 22, a plurality of second optical fiber connectors 25 are inserted into the second fixing post 241, and each of the second optical fiber connectors 25 protrudes from the second fixing post 241.

In the above embodiment, the arrangement of the first and second optical fiber splices 15 and 25 is implemented by the first and second fixing posts 141 and 241. When the conductive part 13 is inserted into the conductive groove 23, the first fixing post 141 and the second fixing post 241 are oppositely arranged, and the first optical fiber connector 15 is just butted with the second optical fiber connector 25.

It should be noted that, in other embodiments of the present disclosure, the communication jack 14 may also be disposed on the jack body 2, and the communication plug 24 may also be disposed on the plug body 1, which is not limited by the present invention.

In the present embodiment, the outer peripheral wall of the first fixing column 141 has a plurality of first positioning portions 1412 protruding outward or inward, each first positioning portion 1412 extends along the axial direction of the first fixing column 141, the second fixing column 241 has a first guide ring 242 coaxially and convexly arranged thereon, the plurality of second optical fiber connectors 25 are located in the first guide ring 242, the first guide ring 242 has a plurality of second positioning portions 2421 protruding inward or outward, each second positioning portion 2421 extends along the axial direction of the second fixing column 241, the plurality of second positioning portions 2421 are opposite to the plurality of first positioning portions 1412, and each second positioning portion 2421 matches with the corresponding first positioning portion 1412.

In the above embodiment, the first positioning portion 1412 and the second positioning portion 2421 are matched, so that the first fixing post 141 can be inserted into the first guide ring 242, and the first optical fiber connector 15 and the second optical fiber connector 25 can be butted.

For example, the second positioning part 2421 is snapped outside the first positioning part 1412, so that the first positioning part 1412 can be prevented from rotating, and the plug body 1 and the socket body 2 can be maintained to be arranged oppositely.

In this embodiment, the communication jack 14 further includes a guide ring 142, the guide ring 142 is located on the insulating column 12, the guide ring 142 is coaxial with the first fixing column 141 and protrudes out of the first fixing column 141, the first fixing column 141 is located in the guide ring 142, a first guide part 1421 is provided on the guide ring 142, the communication plug 24 further includes a second guide ring 243, the second guide ring 243 is located on the female core 22, the second guide ring 243 is coaxially sleeved on the second fixing column 241 and protrudes out of the second fixing column 241, a second guide part 2431 is provided on the second guide ring 243, and the second guide part 2431 is matched with the first guide part 1421, so as to insert or sleeve the first guide part 1421 onto the second guide part 2431.

In the above embodiment, when the communication plug 24 is plugged into the communication receptacle 14, the first guiding portion 1421 on the guiding ring 142 first slides along the second guiding portion 2431 of the second guiding ring 243 to guide the first positioning portion 1412 on the first fixing post 141 into the second positioning portion 2421 of the first guiding ring 242, so that the communication groove 1411 is aligned with the second optical fiber connector 25, thereby achieving precise mating and avoiding damage to the optical fiber connector caused by plugging.

Illustratively, the inner diameter of the upper end of the second guide ring 243 is larger than that of the lower end of the second guide ring 243, the lower end of the second guide ring 243 is coaxially sleeved on the second fixing post 241, and the upper end of the second guide ring 243 and the first guide ring 242 are arranged at intervals to realize the insertion of the guide ring 142.

Optionally, the second fixing post 241 is slidably inserted into the second guide ring 243, the second fixing post 241 and the female core 22 are connected together by the spring 26, and the expansion and contraction direction of the spring 26 is consistent with the sliding direction of the second fixing post 241.

In the above embodiment, the second fixing post 241 is movably disposed in the second guiding ring 243 through the spring 26, and when the communication plug 24 is inserted into the communication socket 14, the second fixing post 241 can move up and down in the second guiding ring 243 according to the pressing force applied thereto, so as to prevent the optical fiber connector from being damaged by the excessive pressing of the inserting force.

Illustratively, the diameter of the lower end of the second fixing column 241 is smaller than that of the upper end, one end of the spring 26 is sleeved on the lower end of the second fixing column 241, and the other end of the spring 26 abuts against the female core 22.

In other embodiments of the present disclosure, the spring 26 may also be provided as an elastic rubber, in a ring shape.

With continued reference to fig. 7, the female core 22 further has a clamp ring 27, and the clamp ring 27 is fixedly mounted on the female core 22 to clamp the second guide ring 243 with the female core 22.

In the above embodiment, the clamp ring 27 functions to clamp and fix the second guide ring 243.

For example, the inner circumferential wall of the clamp ring 27 is also provided with a second guide portion 2431, and the second guide portion 2431 penetrates through the clamp ring 27, so that the first guide portion 1421 can be guided as well.

Referring to fig. 6 again, the guide ring 142 is detachably connected to the insulating column 12, the inner circumferential wall of the guide ring 142 has a first protrusion 1422, the outer circumferential wall of the first fixing column 141 has a second protrusion 1413, and the first protrusion 1422 and the second protrusion 1413 are matched to abut the first fixing column 141 on the insulating column 12.

In the above embodiment, the arrangement of the first fixing posts 141 on the insulating posts 12 can be achieved by matching the first protrusions 1422 and the second protrusions 1413.

Illustratively, the guide ring 142 and the insulating cylinder 12 are threadedly engaged such that the second protrusion 1413 abuts the insulating cylinder 12 via the first protrusion 1422.

Illustratively, the insulating column 12 further has an abutting ring 121 thereon, and the abutting ring 121 is sandwiched between the first fixing column 141 and the insulating column 12. That is, the abutting ring 121 cooperates with the guiding ring 142 to realize the positioning of the first fixing column 141.

It should be noted that a cylindrical cavity is disposed in the center of the insulating column 12, the tail of the first optical fiber connector 15 extends out of the first fixing column 141 and the housing of the plug body 1 through the cylindrical cavity in the center of the insulating column 12, and the tail of the first optical fiber connector 15 is connected to the transmitting optical fiber through fusion welding or an optical fiber connector.

The lower portion of the center of the female core 22 is provided with a cylindrical cavity, the tail of the second optical fiber connector 25 extends out of the second fixing column 241 and the housing of the socket body 2 through the cylindrical cavity of the female core 22, and the tail of the second optical fiber connector 25 is connected with the receiving optical fiber through fusion welding or an optical fiber connector.

When current bank electricity plug and socket subassembly was at ship bank communication, had one section fiber optic cable that leaks outward between plug and the socket, this section fiber optic cable receives external force easily and pulls or collide with the damage. The first optical fiber connector 15 and the second optical fiber connector 25 are both positioned in the plug body 1 and the socket body 2, and no optical fiber cable is leaked between the plug body 1 and the socket body 2, so that the optical fiber cable is effectively prevented from being damaged.

Optionally, the number of the conductive parts 13 is 2 or 3.

Illustratively, when the number of the conductive parts 13 is 2, the number of the conductive grooves 23 corresponds to 2, the plug body 1 is a dc plug, and the socket body 2 is a dc socket. When the number of the conductive parts 13 is 3, the number of the conductive grooves 23 is 3, the plug body 1 is an ac plug, and the socket body 2 is an ac socket.

In the embodiment, the socket housing 21 is hinged with a cover 211 (see fig. 4), and the cover 211 can seal the top end of the socket housing 21, so as to protect the conductive groove 23 and the communication plug 24.

The following briefly describes the use of the plug and receptacle assembly:

when the charging device is used, the plug body 1 is held by hand, and the conductive part 13 is inserted into the conductive groove 23. Meanwhile, the first guide part 1421 slides into the second guide part 2431 of the clamp ring 27 and gradually slides downward along the second guide part 2431, after the first positioning part 1412 contacts the second positioning part 2421, the first positioning part 1412 slides downward along the second positioning part 2421, the first guide part 1421 slides along the second guide part 2431, the first fixing post 141 slides to the bottom, and after the end surface of the first fixing post 141 is abutted with the top end surface of the second fixing post 241, the second optical fiber connector 25 is inserted into the communication groove 1411, so that the first optical fiber connector 15 is abutted with the second optical fiber connector 25.

The invention also provides a charging device which comprises the plug and socket assembly.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A plug-and-socket assembly, characterized in that it comprises a plug body (1) and a socket body (2);

the plug body (1) comprises a plug shell (11), an insulating column (12), a plurality of conducting parts (13), a communication socket (14) or a communication plug (24), wherein the insulating column (12) is inserted into the plug shell (11), and the plurality of conducting parts (13), the communication socket (14) or the communication plug (24) are inserted into the insulating column (12);

the socket body (2) comprises a socket shell (21), a female core (22), a plurality of conductive grooves (23), a communication plug (24) or a communication socket (14), the female core (22) is inserted in the socket shell (21), a plurality of conductive grooves (23), the communication plug (24) or the communication socket (14) head are all positioned on the female core (22), the plurality of conductive grooves (23) and the plurality of conductive parts (13) are in one-to-one correspondence, each conductive part (13) is inserted in the corresponding conductive groove (23), to achieve an electrical connection, the communication socket (14) and the communication plug (24) being arranged opposite, and a plurality of first optical fiber connectors (15) are inserted into the communication socket (14), and a plurality of second optical fiber connectors (25) which are respectively plugged with the first optical fiber connectors (15) are inserted into the communication plug (24).

2. A plug-and-socket assembly according to claim 1, characterised in that the plug-and-socket body (1) comprises the communication socket (14), the socket body (2) comprises a communication plug (24), the communication socket (14) comprises a first fixing post (141), the first fixing column (141) is inserted into the insulating column (12), the first fixing column (141) is provided with a plurality of communication grooves (1411), each communication groove (1411) is inserted with one first optical fiber connector (15), the communication plug (24) comprises a second fixing column (241), the second fixing column (241) is inserted on the female core (22), a plurality of second optical fiber connectors (25) are inserted on the second fixing column (241), and each second optical fiber joint (25) is arranged by protruding the second fixing column (241).

3. The plug and socket assembly of claim 2, wherein the peripheral wall of the first fixing post (141) has a plurality of convex or concave first positioning portions (1412), each of the first positioning portions (1412) extending along the axial direction of the first fixing post (141), the second fixing column (241) is provided with a first guide ring (242) which is coaxially and convexly arranged, a plurality of second optical fiber connectors (25) are all positioned in the first guide ring (242), the first guide ring (242) is provided with a plurality of concave or convex second positioning parts (2421), each second positioning part (2421) extends along the axial direction of the second fixing column (241), the plurality of second positioning parts (2421) are opposite to the plurality of first positioning parts (1412), and each second positioning part (2421) is matched with the corresponding first positioning part (1412).

4. A plug-and-socket assembly according to claim 3, characterized in that the communication socket (14) further comprises a guide ring (142), the guide ring (142) being located on the insulating column (12), the guide ring (142) being arranged coaxially with and protruding from the first fixing column (141), and the first fixing column (141) being located in the guide ring (142), a first guide portion (1421) being provided on the guide ring (142), the communication plug (24) further comprises a second guide ring (243), the second guide ring (243) being located on the female core (22), the second guide ring (243) being arranged coaxially over and protruding from the second fixing column (241), a second guide portion (2431) being provided on the second guide ring (243), the second guide portion (2431) matching the first guide portion (1421), so that the first guide part (1421) is inserted or fitted to the second guide part (2431).

5. The plug and socket assembly according to claim 4, wherein the second fixing post (241) is slidably inserted into the second guide ring (243), the second fixing post (241) and the female core (22) are connected together by a spring (26), and the extension and contraction direction of the spring (26) is consistent with the sliding direction of the second fixing post (241).

6. The plug and socket assembly of claim 4, wherein said female core (22) further comprises a clamp ring (27), said clamp ring (27) being fixedly mounted on said female core (22) for clamping said second guide ring (243) with said female core (22).

7. The plug and socket assembly of claim 4, wherein said guide ring (142) and said insulating column (12) are detachably connected, said guide ring (142) having a first protrusion (1422) on an inner peripheral wall thereof, said first fixing column (141) having a second protrusion (1413) on an outer peripheral wall thereof, said first protrusion (1422) and said second protrusion (1413) being adapted to abut said first fixing column (141) against said insulating column (12).

8. The plug and socket assembly of claim 7, wherein said insulating column (12) further has an abutment ring (121) thereon, said abutment ring (121) being sandwiched between said first fixing column (141) and said insulating column (12).

9. A plug and socket assembly according to any one of claims 1 to 8, wherein the number of said conductive parts (13) is 2 or 3.

10. A charging device comprising a plug and socket assembly as claimed in any one of claims 1 to 9.

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