CN113314885B - 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 conductive parts, a communication socket or a communication plug, wherein the insulating column is inserted into the plug shell, and the 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, wherein the female core is inserted in the socket shell, the conductive grooves, the communication plug or the communication socket head are all positioned on the female core, each conductive part is inserted in the corresponding conductive groove so as to realize electric connection, a plurality of first optical fiber connectors are inserted in the communication socket, and a plurality of second optical fiber connectors are inserted in the communication plug. The plug and socket assembly provided by the invention only needs to be operated once in charging and communication operation, 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

Shore power plug and socket assemblies (including plugs and sockets) are used in shore power connection systems, and in particular to transfer power from shore to vessels berthing at ports.

In the related art, 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 arranged on the shore power box, and the plug is inserted into the socket after the ship approaches the shore to realize ship shore power connection so as to supply power for the ship. In order to realize shore communication while transmitting power, an optical fiber socket is generally arranged at the tail part of a plug, an optical fiber connector is arranged on a shore power box, and a section of optical fiber wire extending out of the optical fiber connector is connected to the optical fiber connector.

However, when the ship is in power transmission and communication, the plug and the socket are plugged, and then the optical fiber wire on the optical fiber connector is plugged into the optical fiber socket to realize the ship-shore communication; after the power transmission and communication are completed, the plug is pulled out from the socket and the optical fiber wire is pulled out from the optical fiber socket again and again. The ship shore power-on and communication mode of the mode needs to be plugged and unplugged twice during operation, and the operation is complex.

Disclosure of Invention

In view of the foregoing drawbacks and improvements of the prior art, the present invention provides a plug-and-socket assembly and a charging device, which aim to improve the operation 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 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, wherein the female core is inserted in the socket shell, the conductive grooves, the communication plug or the communication socket head are all positioned on the female core, the conductive grooves and the conductive parts are in one-to-one correspondence, the conductive parts are inserted in the corresponding conductive grooves so as to realize electric connection, the communication socket and the communication plug are oppositely arranged, a plurality of first optical fiber connectors are inserted in the communication socket, and a plurality of second optical fiber connectors which are respectively inserted in the communication plug and are inserted in the first optical fiber connectors.

Optionally, the plug body includes the communication socket, the socket body includes the communication plug, the communication socket includes first fixed column, first fixed column cartridge is in on the insulating column, have a plurality of communication recesses on the first fixed column, each the cartridge has in the communication recess first fiber optic connector, the communication plug includes the second fixed column, the second fixed column cartridge is in on the female core, the cartridge has a plurality of on the second fixed column second fiber optic connector, and each the second fiber optic connector all protrusion the second fixed column is arranged.

Optionally, the outer peripheral wall of the first fixing column is provided with a plurality of first positioning portions protruding outwards or recessed inwards, each first positioning portion extends along the axial direction of the first fixing column, the second fixing column is provided with a first guide ring which is coaxial and protruding, a plurality of second optical fiber connectors are located in the first guide ring, the first guide ring is provided with a plurality of second positioning portions protruding inwards or protruding outwards, each second positioning portion extends along the axial direction of the second fixing column, a plurality of second positioning portions are opposite to the first positioning portions one by one, and each second positioning portion is matched with the corresponding first positioning portion.

Optionally, the communication socket further includes a guide ring, the guide ring is located on the insulating column, the guide ring with the first fixed column is coaxial and protrudes the first fixed column is arranged, and the first fixed column is located in the guide ring, be provided with first guide part on the guide ring, the communication plug still includes the second guide ring, the second guide ring is located on the female core, the second guide ring is coaxial to sleeve on the second fixed column and protrude the second fixed column is arranged, be provided with the second guide part on the second guide ring, the second guide part with first guide part phase-match, with first guide part cartridge or cup joint on the second guide part.

Optionally, the second fixing column is slidably inserted in 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 installed on the female core so as to clamp the second guide ring with the female core.

Optionally, the guide ring with the insulating column is detachable to be connected, have first arch on the interior perisporium of guide ring, have the second arch on the periphery wall of first fixed column, first arch with the second protruding phase-match will first fixed column butt is in on the insulating column.

Optionally, the insulation column is further provided with an abutting ring, and the abutting ring is clamped between the first fixing column and the insulation 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 beneficial effects that:

(1) When the plug and socket assembly provided by the invention is used, the conductive part is inserted into the conductive groove, and the communication plug is inserted into the communication socket, so that the butt joint of the first optical fiber connector and the second optical fiber connector is realized during charging, and shore power communication can be realized. Charging and communication are completed, and the communication plug can be pulled out of the communication socket while the conductive part is pulled out of 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, and 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, and 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 size of the pressed force, so that the fiber connector is prevented from being damaged by excessive extrusion of the inserted force.

(4) When the communication plug is spliced with the communication socket, the first guide part on the guide ring slides along the second guide part of the second guide ring to guide the first positioning part on the first fixed column into the second positioning part of the first guide ring, so that the communication groove is aligned with the second optical fiber connector, accurate butting is realized, and the optical fiber connector is prevented from being damaged by the splicing.

Drawings

Fig. 1 is a schematic structural view 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 are as follows:

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

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide 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 view of a plug body according to an embodiment of the present invention, fig. 3 is a partial enlarged view of fig. 2, and, as shown in conjunction with fig. 2 and 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 view of a socket body provided in an embodiment of the present invention, fig. 5 is a partial schematic view of fig. 4, and, as shown in fig. 4 and fig. 5, the socket body 2 includes a socket housing 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 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 female core 22, the plurality of conductive grooves 23 and the plurality of conductive portions 13 are in one-to-one correspondence, each conductive portion 13 is inserted into a corresponding conductive groove 23 to realize electrical connection, the communication socket 14 and the communication plug 24 are oppositely arranged, 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 for respectively plugging into the first optical fiber connectors 15 are inserted into the communication plug 24.

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, and the butt joint of the first optical fiber connector 15 and the second optical fiber connector 25 is realized while charging, so that shore power communication can be realized. When the charging and communication are completed, the communication plug 24 can be pulled out from the communication socket 14 at the same time as the conductive part 13 is pulled out from the socket body 2. The charging and communication operation only needs to be operated once, the pulling-out operation also only needs to be operated once, and 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 referring to fig. 4 and 6, the plug body 1 includes a communication jack 14, the jack body 2 includes a communication plug 24, the communication jack 14 includes a first fixing post 141, the first fixing post 141 is inserted on the insulating post 12, the first fixing post 141 has a plurality of communication grooves 1411, and one first optical fiber connector 15 is inserted in each communication groove 1411.

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 on the female core 22, a plurality of second optical fiber connectors 25 are inserted on the second fixing post 241, and each of the second optical fiber connectors 25 protrudes from the second fixing post 241.

In the above-described embodiment, the arrangement of the first optical fiber splice 15 and the second optical fiber splice 25 is achieved by the first fixing post 141 and the second fixing post 241. The first fixing post 141 and the second fixing post 241 are disposed opposite to each other while the conductive portion 13 is inserted into the conductive groove 23, 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 in this respect.

In this embodiment, the outer peripheral wall of the first fixing post 141 has a plurality of convex or concave first positioning portions 1412, each first positioning portion 1412 extends along the axial direction of the first fixing post 141, the second fixing post 241 has a first guide ring 242 coaxially and convexly arranged, the plurality of second optical fiber connectors 25 are all located in the first guide ring 242, the first guide ring 242 has a plurality of concave or convex second positioning portions 2421, each second positioning portion 2421 extends along the axial direction of the second fixing post 241, the plurality of second positioning portions 2421 and the plurality of first positioning portions 1412 are opposite one another, and each second positioning portion 2421 is matched 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 column 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 abutted.

Illustratively, the second positioning portion 2421 is snapped out of the first positioning portion 1412, which prevents the first positioning portion 1412 from rotating, thereby maintaining the plug body 1 and the socket body 2 in relative arrangement.

In this embodiment, the communication socket 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 portion 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 portion 2431 is provided on the second guide ring 243, and the second guide portion 2431 is matched with the first guide portion 1421 so as to insert or socket the first guide portion 1421 on the second guide portion 2431.

In the above embodiment, when the communication plug 24 is plugged into the communication socket 14, the first guiding portion 1421 on the guiding ring 142 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 realizing precise docking and avoiding the plugging from damaging the optical fiber connector.

Illustratively, the inner diameter of the upper end of the second guide ring 243 is larger than the inner diameter of the lower end, 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.

Alternatively, the second fixing post 241 is slidably inserted in 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 identical to the sliding direction of the second fixing post 241.

In the above embodiment, the second fixing post 241 is movably disposed in the second guide ring 243 by 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 guide ring 243 according to the magnitude of the pressing force, so as to prevent the optical fiber connector from being damaged by excessive pressing of the insertion force.

Illustratively, the diameter of the lower end of the second fixing post 241 is smaller than that of the upper end, one end of the spring 26 is sleeved at the lower end of the second fixing post 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 the shape of a ring.

With continued reference to fig. 7, the female core 22 also has a clamp ring 27 thereon, the clamp ring 27 being fixedly mounted on the female core 22 to sandwich the second guide ring 243 with the female core 22.

In the above embodiment, the clamp ring 27 has a clamping and fixing function for the second guide ring 243.

Illustratively, a second guide 2431 is likewise provided on the inner circumferential wall of the compression ring 27, the second guide 2431 extending through the compression ring 27, so that the first guide 1421 can likewise be guided.

Referring again to fig. 6, the guide ring 142 is detachably connected to the insulation 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 insulation column 12.

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

Illustratively, the guide ring 142 is threadedly engaged with the insulator post 12 such that the second projection 1413 is abutted against the insulator post 12 by the first projection 1422.

Illustratively, the insulating column 12 further has an abutment ring 121 thereon, and the abutment ring 121 is sandwiched between the first fixing column 141 and the insulating column 12. That is, the abutment ring 121 cooperates with the guide ring 142 to position the first fixing post 141.

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

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

When the existing shore power plug and socket assembly is used for ship shore communication, a section of externally leaked optical fiber line is arranged between a plug and a socket, and the section of optical fiber line is easily pulled or knocked and damaged by external force. The first optical fiber connector 15 and the second optical fiber connector 25 provided by the invention are both positioned in the plug body 1 and the socket body 2, and no external optical fiber line is leaked between the plug body 1 and the socket body 2, so that the optical fiber line is effectively prevented from being damaged.

Alternatively, the number of the conductive portions 13 is 2 or 3.

Illustratively, when the number of the conductive portions 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 this embodiment, the socket housing 21 is hinged with a cover plate 211 (see fig. 4), and the cover plate 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 socket assembly:

when the charging device is in use, the plug body 1 is held by hand, and the conductive part 13 is inserted into the conductive groove 23. Meanwhile, the first guiding portion 1421 slides into the second guiding portion 2431 on the compression ring 27 and gradually slides downward along the second guiding portion 2431, after the first positioning portion 1412 contacts the second positioning portion 2421, the first positioning portion 1412 slides downward along the second positioning portion 2421, the first guiding portion 1421 slides along the second guiding portion 2431, the first fixing post 141 slides to the bottom, and after the end surface of the first fixing post 141 is in face-to-face contact with the top end of the second fixing post 241, the second optical fiber connector 25 is inserted into the communication groove 1411, so as to realize the butt joint of the first optical fiber connector 15 and the second optical fiber connector 25.

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

It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (7)

1. A plug-and-socket assembly, characterized in that the plug-and-socket assembly 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 conductive 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 conductive parts (13), the communication socket (14) or the communication plug (24) are all 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), wherein the female core (22) is inserted in the socket shell (21), the conductive grooves (23), the communication plug (24) or the communication socket (14) heads are all positioned on the female core (22), the conductive grooves (23) and the conductive parts (13) are in one-to-one correspondence, each conductive part (13) is inserted in the corresponding conductive groove (23) so as to realize electric connection, the communication plug (14) and the communication plug (24) are oppositely arranged, a plurality of first optical fiber connectors (15) are inserted in the communication plug (14), and a plurality of second optical fiber connectors (25) which are used for being inserted with the first optical fiber connectors (15) respectively are inserted in the communication plug (24);

The plug body (1) comprises the communication socket (14), the socket body (2) comprises a communication plug (24), the communication socket (14) comprises a first fixed column (141), the first fixed column (141) is inserted on the insulation column (12), a plurality of communication grooves (1411) are formed in the first fixed column (141), one first optical fiber connector (15) is inserted in each communication groove (1411), the communication plug (24) comprises a second fixed column (241), the second fixed column (241) is inserted on the mother core (22), a plurality of second optical fiber connectors (25) are inserted on the second fixed column (241), and each second optical fiber connector (25) protrudes out of the second fixed column (241) to be arranged;

A plurality of first positioning parts (1412) protruding outwards or recessed inwards are arranged on the outer peripheral wall of the first fixing column (141), each first positioning part (1412) extends along the axial direction of the first fixing column (141), a first guide ring (242) which is coaxial and protrudes is arranged on the second fixing column (241), a plurality of second optical fiber connectors (25) are all positioned in the first guide ring (242), a plurality of second positioning parts (2421) protruding inwards or protruding outwards are arranged on the first guide ring (242), each second positioning part (2421) extends along the axial direction of the second fixing column (241), a 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);

The communication socket (14) further comprises a guide ring (142), the guide ring (142) is positioned on the insulation column (12), the guide ring (142) is coaxial with the first fixed column (141) and protrudes out of the first fixed column (141), the first fixed column (141) is positioned in the guide ring (142), a first guide part (1421) is arranged on the guide ring (142), the communication plug (24) further comprises a second guide ring (243), the second guide ring (243) is positioned on the female core (22), the second guide ring (243) is coaxially sleeved on the second fixed column (241) and protrudes out of the second fixed column (241), a second guide part (2431) is arranged 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) on the second guide part (2431);

the socket shell (21) is hinged with a cover plate (211).

2. A plug and socket assembly according to claim 1, wherein the second fixing post (241) is slidably inserted in the second guide ring (243), the second fixing post (241) and the female core (22) are connected together by a spring (26), and the expansion and contraction direction of the spring (26) coincides with the sliding direction of the second fixing post (241).

3. A plug and socket assembly according to claim 1, wherein the female core (22) further has a clamp ring (27), the clamp ring (27) being fixedly mounted on the female core (22) to sandwich the second guide ring (243) with the female core (22).

4. The plug and socket assembly according to claim 1, wherein the guide ring (142) is detachably connected to the insulating column (12), a first protrusion (1422) is formed on an inner peripheral wall of the guide ring (142), a second protrusion (1413) is formed on an outer peripheral wall of the first fixing column (141), and the first protrusion (1422) and the second protrusion (1413) are matched to abut the first fixing column (141) on the insulating column (12).

5. A plug and socket assembly according to claim 4, wherein the insulating column (12) further has an abutment ring (121), the abutment ring (121) being sandwiched between the first fixing column (141) and the insulating column (12).

6. A plug and socket assembly according to any one of claims 1-5, wherein the number of conductive parts (13) is 2 or 3.

7. A charging device comprising a plug and socket assembly according to any one of claims 1 to 6.