CN218242451U - High-voltage plug-in assembly - Google Patents

Abstract

The utility model belongs to the technical field of car high-voltage connector, a high-pressure plug assembly is disclosed. The high-voltage plug-in component is arranged on a shell capable of performing alternating current and direct current conversion, and comprises a socket and a plug, wherein the socket is arranged in the shell and is electrically connected with the shell; one end of the plug is connected with the plug wire harness, the other end of the plug can be connected with the copper bar assembly in an inserting mode, the plug is provided with a second buckle, and the second buckle can be matched with the first buckle to enable the plug to be fixedly connected with the socket so as to convey electric energy through the plug wire harness. The utility model provides a high-pressure grafting subassembly can guarantee the stability that plug and socket are connected when realizing the high-pressure connection, reduces the space and occupies, makes the outside of casing more pleasing to the eye.

Description

High-voltage plug-in assembly

Technical Field

The utility model relates to an automobile high-voltage connector technical field especially relates to a high-pressure plug assembly.

Background

With the rapid development of the new energy automobile industry, the plug connector capable of realizing high-voltage connection is widely applied to the high-voltage connection system of the new energy automobile.

The automobile is internally provided with a shell for realizing alternating current-direct current conversion, and the high-voltage plug connector is usually arranged on the shell and used as an output end of electric energy. In the prior art, a socket in a high-voltage connector is usually fixed outside a shell, so that the connecting end surface of the socket and a plug can protrude out of a shell end; in addition, in order to ensure the stable connection between the plug and the socket, fixing structures are required to be arranged on two sides of the socket, or the plug is fixed on the shell through screws, so that extra space occupation is increased, the space utilization rate is reduced, and the overall appearance attractiveness is affected.

The purpose of this scheme is to provide an embedded high-pressure connector connected mode, can satisfy the high-pressure requirement of connecting, can realize the space utilization of whole pleasing to the eye effect of whole outward appearance and improvement whole product simultaneously again.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-pressure plug-in components can guarantee the stability of plug and socket connection when realizing the high-pressure connection, reduces the space and occupies, makes the outside of casing more pleasing to the eye.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a high-pressure grafting subassembly is installed on can carrying out AC/DC conversion's casing, includes:

the socket is arranged in the shell and is electrically connected with the shell, the connecting end surface of the socket is positioned in the shell, the socket is provided with a plurality of copper bar assemblies arranged at intervals, and first buckles are arranged among the copper bar assemblies;

the plug, the one end of plug connection plug pencil, the other end of plug can with copper bar subassembly grafting, the plug is equipped with the second buckle, the second buckle can with first buckle cooperation makes the plug with socket fixed connection is in order to pass through the plug pencil carries the electric energy.

Optionally, an end of the first buckle is provided with a first protruding structure, an end of the second buckle is provided with a second protruding structure, and the first protruding structure and the second protruding structure include a clamping surface capable of being matched with each other, so that the second buckle can be connected with or disconnected from the first buckle.

Optionally, be equipped with the locking subassembly on the plug, the locking subassembly includes connecting piece, spanner and secondary lock, the one end of connecting piece with the second buckle is connected, and the other end is connected the spanner, the spanner can drive the connecting piece is followed the length direction of plug removes, so that the second buckle can with first buckle is connected or is broken off, the secondary lock is arranged in on the spanner, in order to fix the spanner, keep the second buckle with the connection of first buckle.

Optionally, an EMC shielding part is arranged in the shell in an encircling manner, an EMC elastic member is arranged at one end of the plug, which is far away from the plug wiring harness, and after the plug is connected with the socket, the EMC shielding part is matched with the EMC elastic member so as to perform electromagnetic shielding.

Optionally, a stopping portion is arranged on the plug, and the stopping portion is used for fixing the EMC elastic member on the plug.

Optionally, the casing is provided with a sealing portion, one end of the plug, which is far away from the plug wiring harness, is provided with a sealing ring, and the sealing portion is matched with the sealing ring to realize sealing.

Optionally, a first mounting plate is arranged in the housing, and the first mounting plate is provided with a through hole matched with the socket, so that the socket can be installed in the housing.

Optionally, a second mounting plate is arranged on the socket, a first mounting hole is formed in the first mounting plate, a second mounting hole is formed in the second mounting plate, and the first mounting hole and the second mounting hole are connected through a fixing piece, so that the socket is fixed in the shell.

Optionally, still be equipped with the third buckle on the second mounting panel, be equipped with the fourth buckle on the copper bar subassembly, fourth buckle can the joint in on the third buckle, so that the copper bar subassembly can be fixed in on the second mounting panel.

Optionally, a high-voltage interlocking terminal is further arranged on the second mounting plate, one end of the high-voltage interlocking terminal is connected with the high-voltage interlocking wire harness, and the other end of the high-voltage interlocking terminal can be electrically connected with the high-voltage interlocking loop on the plug.

Has the advantages that:

the high-voltage plug-in component provided by the utility model embeds the socket in the shell, thereby avoiding the extra space occupation caused by the socket protruding out of the shell and beautifying the appearance of the shell; the plug and the socket are fixed through the clamping matching of the second buckle and the first buckle, and the connection stability is kept, so that electric energy can be reliably transmitted through a plug wire harness; because first buckle sets up between a plurality of copper bar subassemblies, makes plug and socket at terminal surface middle part fixed connection, can realize the purpose of stable connection through only setting up a first buckle, the space on the rational utilization socket need not to increase fixed knot in socket both sides and constructs, has improved space utilization. The utility model provides a high-pressure plug-in components can guarantee the stability that plug and socket connection when realizing the high-pressure connection, reduces the space and occupies, makes the outside of casing more pleasing to the eye.

Drawings

Fig. 1 is a schematic structural diagram of a high-voltage plug-in assembly provided by an embodiment of the present invention;

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

fig. 3 is a schematic structural diagram of a socket according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a plug provided in an embodiment of the present invention;

fig. 5 is a schematic view of a plug according to an embodiment of the present invention before being mated with a socket;

fig. 6 is a schematic view of an embodiment of the present invention showing a plug and a socket when the plug and the socket are not locked;

fig. 7 is a schematic view of a plug and socket locking provided by an embodiment of the present invention.

In the figure:

1. a socket; 11. a copper bar assembly; 111. a fourth buckle; 12. a first buckle; 121. a first bump structure; 13. a second mounting plate; 131. a second mounting hole; 132. a third buckle; 133. a high voltage interlock terminal; 14. a high voltage interlocking harness;

2. a plug; 21. a second buckle; 211. a second bump structure; 22. a locking assembly; 221. a connecting member; 222. a wrench; 223. secondary locking; 23. an EMC elastic member; 24. a stopper portion; 25. a seal ring;

3. a housing; 31. an EMC shield section; 32. a sealing part; 33. a first mounting plate; 331. a first mounting hole; 332. a through hole;

4. a plug wiring harness; 41. a wire harness sheath; 42. a wire harness housing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1-5, the present invention provides a high voltage plug-in module, which is installed on a casing 3 capable of ac/dc conversion, and is used for providing an output end for the casing 3 so as to transmit electric energy to other components.

The high-voltage plug-in component comprises a socket 1 and a plug 2, wherein the socket 1 is arranged in a shell 3 and is electrically connected with the shell 3, the connecting end surface of the socket 1 is positioned in the shell 3, a plurality of copper bar components 11 arranged at intervals are arranged on the socket 1, and a first buckle 12 is arranged between the copper bar components 11; one end of the plug 2 is connected with the plug wiring harness 4, the other end of the plug 2 can be connected with the copper bar assembly 11 in an inserting mode, the plug 2 is provided with a second buckle 21, and the second buckle 21 can be matched with the first buckle 12 to enable the plug 2 to be fixedly connected with the socket 1 so as to transmit electric energy through the plug wiring harness 4.

One end of the socket 1 is electrically connected with the housing 3, and the other end can be connected with the plug 2, so that the plug 2 can transmit electric energy to other components through the plug wiring harness 4 to provide electric energy for the other components. The plug 2 comprises a plug shell, and a structure which can be connected with the copper bar component 11 to realize electrification, such as a contact pin, is arranged in the plug shell. The connection terminal surface of socket 1 is located inside casing 3 for plug 2 is when being connected with socket 1, and plug 2 is located casing 3 with socket 1 junction, occupies great space in casing 3 outside when having avoided using, simultaneously with socket 1 embedded in casing 3, also can make casing 3 outside more pleasing to the eye, optimizes space utilization.

It can be understood that the copper bar assembly 11 comprises a copper bar shell and a copper bar piece arranged in the copper bar shell, and the copper bar piece can be a double-layer copper bar stacked arrangement so as to meet the requirement of corresponding power current carrying capacity while fully improving the space utilization rate. Since the structure of the copper bar assembly 11 is common, it will not be described in detail. Two, three or more copper bar assemblies 11 can be arranged on the socket 1 to realize the connection of two-phase, three-phase or multi-phase high-voltage plug connectors; the plug 2 is also adaptive and can be connected with the socket 1 to transmit electric energy. First buckle 12 sets up between a plurality of copper bar subassemblies 11, utilizes the space between the copper bar subassembly 11 that the interval set up, need not additionally to increase the space and occupies. Meanwhile, the first buckle 12 is arranged in the middle of the connecting end face of the socket 1, and fixed connection can be realized by only arranging one first buckle 12, so that the risk of insufficient stability due to arrangement of a fixing structure on the side face is reduced, the number of two fixing structures required to be arranged due to the need of improving the fixing stability is reduced, and the space utilization rate is improved; simultaneously, need not externally through the fix with screw, easy dismounting. This high-pressure plug-in components can guarantee the stability that plug 2 and socket 1 are connected when realizing the high-pressure connection, reduces the space and occupies, makes the outside of casing 3 more pleasing to the eye.

Optionally, with continued reference to fig. 1-5, a first mounting plate 33 is provided within the housing 3, the first mounting plate 33 being provided with through holes 332 that mate with the sockets 1, such that the sockets 1 can be mounted within the housing 3.

The first mounting plate 33 is spaced apart from the outer surface of the housing 3, so that the socket 1 is mounted inside the housing 3 to prevent the connecting end surface of the socket 1 from protruding out of the housing 3. Socket 1 can set up in through-hole 332, can realize the preliminary fixed to socket 1 through the joint of through-hole 332.

Optionally, the socket 1 is provided with a second mounting plate 13, the first mounting plate 33 is provided with a first mounting hole 331, the second mounting plate 13 is provided with a second mounting hole 131, and the first mounting hole 331 and the second mounting hole 131 are connected by a fixing member, so that the socket 1 is fixed in the housing 3.

The first mounting plate 33 and the second mounting plate 13 are matched to realize the positioning of the socket 1 relative to the housing 3, and the first mounting hole 331 and the second mounting hole 131 are connected through a fixing piece to realize the accurate positioning and reliable fixing of the socket 1 and the housing 3. Preferably, a metal bushing may be provided on the second mounting hole 131 to improve the coupling strength. The first mounting hole 331 and the second mounting hole 131 may be disposed in a plurality of, preferably four, at corners to improve the stability of the connection. The fixing piece can be a screw or a bolt and the like which can realize connection.

Optionally, a third buckle 132 is further disposed on the second mounting plate 13, a fourth buckle 111 is disposed on the copper bar assembly 11, and the fourth buckle 111 can be clamped on the third buckle 132, so that the copper bar assembly 11 can be fixed on the second mounting plate 13.

The fourth buckle 111 can be a protruding structure located on the copper bar assembly 11, and the third buckle 132 can be annularly disposed around the copper bar assembly 11, and can also be disposed at a position matched with the fourth buckle 111. Third buckle 132 and fourth buckle 111 can be fixed in copper bar subassembly 11 on second mounting panel 13 through mutually supporting, prevent that copper bar subassembly 11 from deviating from on second mounting panel 13 can. The stability of copper bar subassembly 11 can be guaranteed in the setting of third buckle 132 and fourth buckle 111, avoids influencing the reliable connection of plug 2. Preferably, a clamping groove may be formed in the third buckle 132, so that the fourth buckle 111 is matched with the clamping groove to realize stable connection; it is also possible to arrange the third latch 132 in a protruding structure and the fourth latch 111 in a structure to be latched with the protruding structure.

Optionally, a high-voltage interlock terminal 133 is further disposed on the second mounting plate 13, one end of the high-voltage interlock terminal 133 is connected to the high-voltage interlock harness 14, and the other end of the high-voltage interlock terminal 133 can be electrically connected to the high-voltage interlock loop on the plug 2.

The high-voltage interlocking wire harness 14, the high-voltage interlocking terminal 133 and the high-voltage interlocking circuit on the plug 2 together form a high-voltage interlocking circuit of the high-voltage plug-in assembly, so that the operating condition of the high-voltage circuit can be monitored through a low-voltage signal by utilizing the characteristic that the low-voltage circuit is firstly connected and then disconnected compared with the high-voltage circuit, and faults can be found in time. Monitoring and protection through the high-voltage interlock loop are common technical means, and are not described in detail herein.

Optionally, with continued reference to fig. 1-5, the housing 3 is provided with an EMC (i.e. electromagnetic compatibility) shield 31 around the inner circumference thereof, the plug 2 is provided with an EMC spring 23 at an end thereof remote from the plug harness 4, and the EMC shield 31 is engaged with the EMC spring 23 to enable electromagnetic shielding after the plug 2 is connected to the socket 1.

The provision of the EMC shield 31 and the EMC spring 23 allows the plug 2 to be connected to the socket 1 and then shielded from the outside of the connection to reduce interference of a current magnetic field or the like. The EMC shield 31 can prevent interference of an external magnetic field to the high-voltage plug assembly and also can shield interference of the plug 2 and the socket 1 to other components after connection. Preferably, the EMC shielding part 31 is disposed around the connection position of the plug 2 and the socket 1, and cooperates with the EMC elastic member 23 disposed around the plug 2 to form 360 ° ring shielding, so as to optimize the electromagnetic shielding effect. Specifically, the EMC elastic member 23 is an EMC spring wound on one end surface of the plug 2 connected to the socket 1.

Optionally, a stop 24 is provided on the plug 2, and the stop 24 is used to fix the EMC elastic member 23 on the plug 2.

Because EMC elastic component 23 sets up in the surface of plug 2 for encircleing, can set up the holding tank at the terminal surface that plug 2 and socket 1 are connected, make EMC elastic component 23 locate in the holding tank, avoid EMC elastic component 23 to deviate from. In order to ensure the reliability of connection of the EMC elastic member 23, a stopper portion 24 is provided at an end portion of the plug 2 remote from the plug wire harness 4, and the EMC elastic member 23 is prevented from coming off from the end portion of the plug 2 by the stopper portion 24. It will be appreciated that the stop 24 does not affect the connection of the plug 2 to the socket 1. Preferably, the stopper 24 is a ring structure fitted to the end of the plug 2.

Optionally, the housing 3 is provided with a sealing portion 32, and the end of the plug 2 away from the plug wire harness 4 is provided with a sealing ring 25, and the sealing portion 32 cooperates with the sealing ring 25 to achieve sealing.

The sealing part 32 is provided closer to the outer surface of the housing 3 than the EMC shielding part 31. The sealing part 32 is matched with the sealing ring 25, so that the functions of water resistance, dust resistance, corrosion resistance and the like can be realized after the plug 2 is connected with the socket 1, and the use safety and the service life of the plug 2 connected with the socket 1 are ensured.

Alternatively, as shown in fig. 1-7, the end of the first buckle 12 is provided with a first convex structure 121, the end of the second buckle 21 is provided with a second convex structure 211, and the first convex structure 121 and the second convex structure 211 comprise mutually-matched buckling surfaces so that the second buckle 21 can be connected with or disconnected from the first buckle 12.

In order to realize the reliable connection of the plug 2 and the socket 1, the first convex structure 121 and the second convex structure 211 are clamped to realize relative fixation. When the clamping is realized, the second buckle 21 can be matched with the first buckle 12 conveniently by arranging a clamping surface; when the plug needs to be disconnected, the plug can be tripped through the structure of the clamping surface, and the second buckle 21 can move in the direction perpendicular to the length direction of the plug 2 relative to the first buckle 12 through the elastic moving space which is arranged in the plug shell and can accommodate the second buckle 21, so that tripping and disconnection are realized. Preferably, the clamping surface may include two transition surfaces, one transition surface facilitates the second latch 21 entering the socket 1 to be clamped with the first latch 12, and the other transition surface enables the second latch 21 to be clamped and fixed when accidentally pulled by a force applied to the outside of the socket 1. When the plug 2 needs to be disconnected, the second buckle 21 is pushed into the socket 1, the second buckle 21 is separated from the first buckle 12 in the elastic moving space, and then the plug is pulled out of the socket 1 to realize disconnection. The plug 2 reserves a space for the second buckle 21 to move, so that interference is avoided.

It is understood that the engaging surfaces of the first catch 12 and the second catch 21 can be connected and disconnected, and the engaging surfaces can be, but are not limited to, inclined surfaces, arc surfaces, etc. with a predetermined angle for connection and disconnection.

Optionally, a locking assembly 22 is disposed on the plug 2, the locking assembly 22 includes a connecting piece 221, a wrench 222 and a secondary lock 223, one end of the connecting piece 221 is connected to the second latch 21, the other end of the connecting piece is connected to the wrench 222, the wrench 222 can drive the connecting piece 221 to move along the length direction of the plug 2, so that the second latch 21 can be connected to or disconnected from the first latch 12, and the secondary lock 223 is disposed on the wrench 222 to fix the wrench 222, so that the connection between the second latch 21 and the first latch 12 is maintained.

One end of the plug 2 is connected with the plug wiring harness 4, and a wiring harness shell 42 is arranged outside the plug wiring harness 4 to protect the plug wiring harness 4 from being damaged by external force. The harness sheath 41 is provided outside the harness housing 42 to fix the harness housing 42 so that the harness housing 42 can be reliably fitted over the plug harness 4. Preferably, the number of the plug wire harnesses 4 is the same as that of the copper bar assemblies 11, and the plug wire harnesses 4 and the copper bar assemblies 11 are arranged in a one-to-one correspondence manner.

The connecting member 221 is preferably a pull rod, and the wrench 222 drives the second latch 21 to move along the length direction of the plug 2. Both ends of the wrench 222 are rotatably connected to the harness housing 42, and the connection or disconnection of the second catch 21 is adjusted by rotation. The wrench 222 is also rotatably connected to the connecting member 221 to move the connecting member 221. When there are two plug harnesses 4, the connecting member 221 is provided in the middle of the two plug harnesses 4 so that the second catch 21 can be engaged with the first catch 12 provided in the middle of the copper bar assembly 11. Preferably, the connecting member 221 and the second buckle 21 may be assembled to facilitate disassembly and assembly, or may be an integrated structure to facilitate driving the second buckle 21 to move. When second buckle 21 has been in connection or disconnection state, in order to avoid unexpected external force that receives to make spanner 222 rotate, set up secondary lock 223 on spanner 222, secondary lock 223 can lock spanner 222's state, prevents that spanner 222 from taking place to rotate, causes the unexpected scheduling problem that drops of plug 2, influences the normal use of circular telegram connection and power consumption part. In view of the prior art of the wrench 222 and the secondary lock 223, the detailed structure thereof is not described herein, and the pulling of the connecting member 221 and the locking of the wrench 222 can be achieved.

It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements, and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a high-pressure grafting subassembly which characterized in that installs on can carrying out AC/DC conversion casing (3), includes:

the socket (1) is arranged in the shell (3) and is electrically connected with the shell (3), the connecting end face of the socket (1) is positioned in the shell (3), a plurality of copper bar assemblies (11) arranged at intervals are arranged on the socket (1), and first buckles (12) are arranged among the plurality of copper bar assemblies (11);

the plug (2), the one end of plug (2) is connected plug pencil (4), the other end of plug (2) can with copper bar subassembly (11) are pegged graft, plug (2) are equipped with second buckle (21), second buckle (21) can with first buckle (12) cooperation makes plug (2) with socket (1) fixed connection is in order to pass through plug pencil (4) transport electric energy.

2. The high-voltage plug assembly according to claim 1, characterized in that the end of the first catch (12) is provided with a first protruding structure (121), the end of the second catch (21) is provided with a second protruding structure (211), the first protruding structure (121) and the second protruding structure (211) comprise mutually engageable catch surfaces, so that the second catch (21) can be connected or disconnected with the first catch (12).

3. The high-voltage plug assembly according to claim 1, wherein a locking assembly (22) is arranged on the plug (2), the locking assembly (22) comprises a connecting piece (221), a wrench (222) and a secondary lock (223), one end of the connecting piece (221) is connected with the second buckle (21), the other end of the connecting piece is connected with the wrench (222), the wrench (222) can drive the connecting piece (221) to move along the length direction of the plug (2) so that the second buckle (21) can be connected with or disconnected from the first buckle (12), and the secondary lock (223) is arranged on the wrench (222) so that the wrench (222) can be fixed to keep the second buckle (21) connected with the first buckle (12).

4. The high-voltage plug assembly according to claim 1, characterized in that the housing (3) is provided with an EMC shield (31) in an inner ring, the end of the plug (2) remote from the plug wire harness (4) is provided with an EMC elastomer (23), and the EMC shield (31) cooperates with the EMC elastomer (23) to enable electromagnetic shielding after the plug (2) is connected with the socket (1).

5. The high-voltage plug assembly according to claim 4, characterized in that a stop (24) is provided on the plug (2), the stop (24) being used to fix the EMC spring (23) to the plug (2).

6. The high-pressure plug assembly according to claim 1, characterized in that the housing (3) is provided with a sealing portion (32), and the end of the plug (2) remote from the plug wire harness (4) is provided with a sealing ring (25), the sealing portion (32) cooperating with the sealing ring (25) to effect the sealing.

7. The high-voltage plug assembly according to claim 1, characterized in that a first mounting plate (33) is provided in the housing (3), the first mounting plate (33) being provided with a through hole (332) for cooperation with the socket (1) so that the socket (1) can be mounted in the housing (3).

8. The high-voltage plug assembly according to claim 7, wherein a second mounting plate (13) is disposed on the socket (1), a first mounting hole (331) is disposed on the first mounting plate (33), a second mounting hole (131) is disposed on the second mounting plate (13), and the first mounting hole (331) and the second mounting hole (131) are connected by a fixing member, so that the socket (1) is fixed in the housing (3).

9. The high-voltage plug assembly according to claim 8, wherein a third fastener (132) is further disposed on the second mounting plate (13), a fourth fastener (111) is disposed on the copper bar assembly (11), and the fourth fastener (111) can be fastened to the third fastener (132) to fix the copper bar assembly (11) to the second mounting plate (13).

10. The high-voltage plug assembly according to claim 8, wherein a high-voltage interlocking terminal (133) is further disposed on the second mounting plate (13), one end of the high-voltage interlocking terminal (133) is connected to the high-voltage interlocking harness (14), and the other end of the high-voltage interlocking terminal can be electrically connected to the high-voltage interlocking loop on the plug (2).

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