CN113840494A

CN113840494A - External vehicle-mounted power supply wall box

Info

Publication number: CN113840494A
Application number: CN202111166154.4A
Authority: CN
Inventors: 陈力
Original assignee: Shenzhen Tuohai General Electric Co ltd
Current assignee: Shenzhen Tuohai General Electric Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2021-12-24
Anticipated expiration: 2041-09-30
Also published as: CN113840494B

Abstract

The invention discloses an external vehicle-mounted power supply wall box, relating to the technical field of vehicle-mounted power supplies, and the technical scheme is as follows: the power wall box comprises a power wall box body, a zero line box and an insulating layer, wherein a negative pole bonding component is fixedly arranged inside the power wall box body, a positive pole wiring component is fixedly arranged on the inner wall of the power wall box body, the outer wall of the positive pole wiring component can be detachably connected with a wire arranging component, the power wall box body comprises a box body, a zero line box and an insulating layer, the negative pole bonding component comprises a bonding wire, a negative pole binding post, a wiring seat and a negative pole terminal, the positive pole wiring component comprises a positive pole conductor, a positive pole lead, a main line seat, a wire harness deconcentrator, a branch line and a wiring lug.

Description

External vehicle-mounted power supply wall box

Technical Field

The invention relates to the technical field of vehicle-mounted power supplies, in particular to an external vehicle-mounted power supply wall box.

Background

The power supply wall box is suitable for a vehicle-mounted information system and a vehicle-mounted command and control system, monitors the power consumption safety of an accessed power supply and a system, provides safety protection and sends out an alarm signal when a fault is found, is an electrical device with the functions of connecting an external power supply to a load input end through a wall box panel, protecting, detecting and alarming, and effectively improves the safety of electric use of an automobile by adding the power supply wall box and an electrical protection device of the inner wall of the power supply wall box between the vehicle-mounted power supply and related electronic equipment of the automobile, can timely detect the power supply equipment, and prevents the situation that the electronic equipment of the automobile is damaged or causes electric fire because a circuit fault cannot be timely found, thereby avoiding serious consequences of spontaneous combustion of the automobile or traffic accidents.

The prior art has the following defects: external vehicle power wall box is because inside pencil is more, when connecting vehicle power and multiunit vehicle electrical equipment, need according to the power equipment multiunit return circuit of different electrical equipment in order to guarantee the power consumption safety, lead to a lot of pencil to save together, car intelligent equipment is more and more at present, required pencil is also more and more, pencil in the current power wall box usually needs anodal wire and negative pole wire cooperation to form the return circuit, the pencil is more relatively, it becomes a set ofly to become multiunit wire through the bundle bag usually, be difficult for distinguishing one by one when connecting, be unfavorable for the pencil heat dissipation in the power wall box simultaneously.

Therefore, it is necessary to provide an external vehicle-mounted power supply wall box.

Disclosure of Invention

Therefore, the invention provides an external vehicle-mounted power supply wall box, a negative electrode circuit in the power supply wall box is electrically connected with an automobile frame through an iron bonding wire, so that the space for wiring in the power supply wall box is saved, a storage battery power supply is connected to a positive electrode conductor, and a plurality of groups of main wire seats are butted with a wire harness deconcentrator, so that a plurality of groups of positive electrode lead wires are prevented from being bundled together, the heat dissipation condition of the positive electrode lead wires is improved, and the problem in the background technology is solved.

In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides an external vehicle power wall box, includes power wall box, the inside fixed mounting negative pole bonding subassembly of power wall box, the anodal wiring subassembly of power wall box inner wall fixed mounting, the connection reason line subassembly can be dismantled to anodal wiring subassembly outer wall, power wall box includes box body, zero line box and insulating layer, the negative pole bonding subassembly includes bond strap, negative terminal, connection terminal and negative terminal, anodal wiring subassembly includes anodal conductor, anodal lead wire, main line seat, pencil deconcentrator, branch line and wiring ear, the reason line subassembly includes spacing frame and locating rack.

Preferably, the wiring groove is fixedly installed on the outer wall of the front end of the box body, two groups of wire inlet holes are formed in the outer wall of the wiring groove and extend into the box body, a buckling groove is formed in the periphery of the top of the box body, a top plate is fixedly installed on the inner wall of the buckling groove, and the outer wall of the right side of the top plate is rotatably connected with the cover plate through a hinge.

Preferably, zero line box of box body inner wall fixed mounting, zero line box inner wall fixed mounting insulating layer, zero line box bottom fixed connection bond strap, bond strap inner wall tip fixed mounting bolt.

Preferably, zero line box inner wall evenly distributed negative terminal, inside negative terminal extended to the insulating layer, negative terminal included the wire holder, the wire holder is located inside the insulating layer, the ring groove is seted up to the wire holder inner wall, the ring inslot wall rotates connects negative terminal.

Preferably, positive conductor fixed mounting is at insulating inner wall, positive conductor outer wall fixed connection anodal lead wire, anodal lead wire end fixed mounting bolt, anodal conductor top evenly installs the main line seat, the main line seat outer wall passes through bolt connection wiring harness deconcentrator.

Preferably, the top of the wire harness splitter is fixedly connected with three groups of branch lines, the end parts of the three groups of branch lines are fixedly provided with wiring lugs, the connection modes of the three groups of branch lines are in parallel connection, and the end parts of the wiring lugs are fixedly provided with bolts.

Preferably, the limiting frame is bilaterally symmetrically provided with two groups, the outer wall of the limiting frame is provided with a sliding chute which is in a cross shape, and the inner wall of the sliding chute is uniformly provided with a buckle receiving hole.

Preferably, four sets of locating racks are arranged between the two sets of limiting racks, the left end and the right end of each locating rack are fixedly connected with the sliding seats, and the outer walls of the sliding seats are in sliding connection with the inner walls of the sliding grooves in a matched mode.

Preferably, the slide outer wall is even fixed mounting and is received the knot, it can dismantle even to receive the knot hole to receive the cooperation of detaining the outer wall.

Preferably, three wire arrangement grooves are formed in the inner wall of the positioning frame, the three wire arrangement grooves are matched with the clamping branch lines, and the center of the outer wall of the positioning frame is fixedly connected with the handle.

The invention has the beneficial effects that:

1. the negative pole end of the vehicle-mounted battery is connected with the vehicle body steel frame by arranging the negative pole bonding component, the bonding wire is connected to the vehicle body steel frame, then when other electric equipment needing to be connected with the vehicle-mounted battery in the power supply wall box is connected, the negative pole of the vehicle-mounted electric equipment is directly connected with the negative pole terminal to form a negative pole loop, a negative pole lead in a power supply wall box system is replaced by the zero line box, the space utilization rate in the power supply wall box is improved, and meanwhile, the wiring efficiency is improved;

2. the negative terminal is rotatably connected and installed in the annular groove in the inner wall of the wire holder, so that the angle of the negative terminal can be conveniently adjusted according to the position of the electronic equipment, the convenience degree of negative connection is improved, and an operator can conveniently install and maintain the negative terminal;

3. the positive electrode conductor is arranged, the positive electrode of the vehicle-mounted battery is connected with the positive electrode lead, and then a plurality of groups of positive electrode leads can be separated out through the branch lines by matching the main line seat and the wiring harness deconcentrator, so that the proper branch lines can be conveniently selected according to the number and the positions of electric equipment, the circuit connection is conveniently carried out, the installation efficiency is improved, the branch line crossing is conveniently avoided, the interval of the branch lines is improved, the branch lines are convenient to radiate heat, and the use safety is improved;

4. the wire arranging assembly is arranged, the receiving buckle on the inner wall of the positioning frame is separated from the receiving buckle hole by holding the handle by hand, then the sliding seat is slid to a proper position through the sliding groove, the handle is pushed to butt the receiving buckle with the receiving buckle hole in the corresponding position, the position of the positioning frame is conveniently and flexibly adjusted, and then the branch wire is fixed through the wire arranging groove, so that the uniformity of the branch wire is improved, and the electrical equipment is conveniently installed and overhauled in the later period;

5. through the zero line box that sets up the metal copper product matter, the ingenious wire that has replaced in the negative pole return circuit, simultaneously through with zero line box embedding at box body 110 inner wall, improved box body 110's structural strength, improved power wall box 100's structural stability to a certain extent, improved power wall box 100's life, improved power wall box 100's resistance to compression crashworthiness.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a bottom view of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the power wall box according to the present invention;

FIG. 4 is a schematic view of a neutral box construction provided in accordance with the present invention;

FIG. 5 is a schematic view of a negative terminal structure according to the present invention;

FIG. 6 is a schematic diagram of a positive conductor structure provided by the present invention;

FIG. 7 is an enlarged view taken at A of FIG. 6 in accordance with the present invention;

FIG. 8 is a schematic view of a main wire seat structure provided in the present invention;

FIG. 9 is a schematic structural diagram of a wire management assembly according to the present invention;

fig. 10 is a schematic structural diagram of a positioning frame provided by the present invention.

In the figure: the power supply wall box 100, the box body 110, the wiring groove 111, the wire inlet 112, the fastening groove 113, the zero line box 120, the insulating layer 130, the top plate 140, the cover plate 150, the negative grounding component 200, the grounding wire 210, the bolt 211, the negative terminal 220, the wire holder 230, the circular groove 231, the negative terminal 232, the positive wiring component 300, the positive conductor 310, the positive lead 320, the main wire holder 330, the wire harness splitter 340, the branch wire 350, the wiring lug 360, the wire arranging component 400, the limiting frame 410, the sliding groove 411, the thread accommodating hole 412, the positioning frame 420, the sliding seat 430, the thread accommodating 431, the thread accommodating groove 432 and the handle 440.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to the attached drawings 1-10, the invention provides an external vehicle-mounted power supply wall box, and in order to achieve the purpose, the invention provides the following technical scheme: an external vehicle-mounted power supply wall box comprises a power supply wall box 100, a negative pole bonding component 200 is fixedly installed inside the power supply wall box 100, a positive pole wiring component 300 is fixedly installed on the inner wall of the power supply wall box 100, the outer wall of the positive pole wiring component 300 is detachably connected with a wire arranging component 400, the power supply wall box 100 comprises a box body 110, a zero line box 120 and an insulating layer 130, the negative pole bonding component 200 comprises a bonding wire 210, a negative pole binding post 220, a wire holder 230 and a negative pole terminal 232, the positive pole wiring component 300 comprises a positive pole conductor 310, a positive pole lead 320, a main wire holder 330, a wire harness distributor 340, a branch wire 350 and a wire lug 360, the wire arranging component 400 comprises a limiting frame 410 and a positioning frame 420, a wiring groove 111 is fixedly installed on the outer wall of the front end of the box body 110, two groups of wire inlet holes 112 are formed on the outer wall of the wiring groove 111, the two groups of wire inlet holes 112 extend into the box body 110, buckling grooves 113 are formed on the periphery of the top of the box body 110, a top plate 140 is fixedly installed on the inner wall of the buckling grooves 113, the outer wall of the right side of the top plate 140 is rotatably connected with the cover plate 150 through a hinge, the inner wall of the box body 110 is fixedly provided with the zero line box 120, the inner wall of the zero line box 120 is fixedly provided with the insulating layer 130, the bottom of the zero line box 120 is fixedly connected with the bonding wire 210, the end part of the inner wall of the bonding wire 210 is fixedly provided with the bolt 211, the material of the zero line box 120 is metal copper, the zero line box 120 has the function of conducting the negative pole of the vehicle-mounted battery and the negative pole end of the vehicle-mounted electrical appliance so as to form a negative pole loop, the bonding wire 210 has the function of conveniently electrically connecting the zero line box 120 and the vehicle body steel frame, the zero line box 120, the bonding wire 210 and the vehicle body steel frame are used as negative pole conductors, so that the space in the power supply wall box 100 is saved, no additional arrangement of negative pole wires is needed, the working efficiency and the production cost are improved, the bolt 211 has the function of conveniently fixedly connecting the bonding wire 210 and the vehicle body steel frame so as to conveniently form a current path, and the negative pole binding posts 220 are uniformly distributed on the inner wall of the zero line box 120, the negative terminal 220 extends to the inside of the insulating layer 130, the negative terminal 220 comprises a wire holder 230, the wire holder 230 is located inside the insulating layer 130, the inner wall of the wire holder 230 is provided with an annular groove 231, the inner wall of the annular groove 231 is rotatably connected with a negative terminal 232, concretely, the power wall box 100 has the functions of installing the negative grounding component 200 and the positive wiring component 300, the negative grounding component 200 has the function of conveniently connecting the negative electrode of the vehicle-mounted battery and the negative electrode end of the electronic equipment inside the power wall box 100, so as to form a closed loop with the positive electrode, the positive wiring component 300 is matched with the negative grounding component 200 to conveniently form the closed loop, the wire arrangement component 400 has the functions of conveniently arranging and limiting branch wires 350, conveniently arranging the branch wires 350, the wire groove 111 is matched with the wire inlet 112 for use, and has the function of conveniently introducing the positive electrode and negative electrode wires of the vehicle-mounted battery into the power wall box 100, buckling groove 113 has the effect of easy to assemble roof 140 and apron 150, roof 140 and apron 150 have the effect of convenient closed power supply wall box 100, negative terminal 220 has the convenience and docks with the electronic equipment negative pole end in the power supply wall box 100, thereby form the effect of negative pole return circuit, insulating layer 130 has insulating effect, prevent that the effect of generating circuit takes place the short circuit, the security of equipment usage has been improved, connection terminal 230 has the effect of easy to assemble negative terminal 232, circular groove 231 has the effect of making things convenient for negative terminal 232 at connection terminal 230 inner wall rotation direction, the flexibility when negative terminal 232 connects wires has been improved.

Further, the positive conductor 310 is fixedly installed on the inner wall of the insulating layer 130, the outer wall of the positive conductor 310 is fixedly connected with the positive lead 320, the end part of the positive lead 320 is fixedly provided with a bolt (not labeled), the top of the positive conductor 310 is uniformly provided with a main wire seat 330, the outer wall of the main wire seat 330 is connected with a wire harness splitter 340 through a bolt, the top of the wire harness splitter 340 is fixedly connected with three groups of branch wires 350, the end parts of the three groups of branch wires 350 are fixedly provided with wire lugs 360, the three groups of branch wires 350 are connected in parallel, the end part of the wire lug 360 is fixedly provided with a bolt (not labeled), specifically, the positive conductor 310 is made of metal copper, the outer wall of the positive conductor 310 is wrapped by the insulating layer, the positive lead 320 is a flame-retardant cable, the positive lead 320 has the function of conveniently butting the vehicle-mounted battery positive end lead with the positive conductor 310 so as to supply power to the positive conductor 310, the positive lead 320 is connected with the positive electrode of the electronic equipment inside the power supply wall box 100 through a bolt, the main wire holder 330 has the effect of conveniently carrying the electric current that positive conductor 310 transmitted to branch line 350, pencil deconcentrator 340 has the effect of conveniently carrying out parallelly connected with main wire holder 330 with three groups branch line 350, thereby make the circuit connection relation be parallel circuit between every electronic equipment, thereby prevent to make every electronic equipment be independent power supply, conveniently overhaul and reduce the fault rate simultaneously, three groups branch line 350 have the effect of conveniently carrying out anodal power supply to different electronic equipment, lug 360 has the effect that conveniently carries out electric connection with branch line 350 and the positive terminal of the inside electronic equipment of power supply wall box 100.

Further, two sets of limiting frames 410 are symmetrically arranged on the left and right, the outer wall of the limiting frame 410 is provided with a sliding groove 411, the sliding groove 411 is cross-shaped, the inner wall of the sliding groove 411 is uniformly provided with a buckle receiving hole 412, four sets of positioning frames 420 are arranged between the two sets of limiting frames 410, the left end and the right end of each positioning frame 420 are fixedly connected with a sliding seat 430, the outer wall of each sliding seat 430 is matched and slidably connected with the inner wall of the corresponding sliding groove 411, the outer wall of each sliding seat 430 is uniformly and fixedly provided with a buckle receiving hole 412, the inner wall of each positioning frame 420 is provided with three groups of wire arranging grooves 432, the three groups of wire arranging grooves 432 are matched and connected with a branch line 350, the central position of the outer wall of each positioning frame 420 is fixedly connected with a handle 440, specifically, the limiting frames 410 have the function of conveniently mounting the positioning frames 420, the inner wall of each sliding groove 411 is matched and slidably connected with the outer wall of each sliding seat 430 at the left end and the right end of each positioning frame 420, the inner wall of each buckle receiving hole 412 is matched and used with the outer wall of each buckle receiving hole 431, and has the function of conveniently and connecting the buckle 431, the branch line 350 is conveniently combed and positioned according to the position of the electronic equipment in the power wall box 100 after the branch line 350 and the positive input end of the electronic equipment are connected, when the power wall box is used, a worker pulls the positioning frame 420 outwards through the handheld handle 440 to enable the branch line 431 to be separated from the buckle accommodating hole 412, then the positioning frame 420 is moved up and down through the handheld handle 440, after the positioning frame 420 is moved to a proper position, one or more groups of branch lines 350 are sequentially straightened and then pressed into the wire arranging groove 432, then the buckle accommodating hole 412 corresponding to the position is aligned with the buckle accommodating hole 431, the handle 440 is forcibly pressed inwards, the buckle accommodating hole 412 and the inner wall of the buckle accommodating hole 412 are fixed, the height of the positioning frame 420 is flexibly adjusted, the branch line 350 is conveniently limited, the regularity of the branch line 350 is improved, and the branch line 350 is conveniently cooled.

The using process of the invention is as follows: the negative pole of the vehicle-mounted power supply is electrically connected with a vehicle body steel frame, then the positive pole lead of the vehicle-mounted power supply is drawn into the power supply wall box 100 through the wiring groove 111 and the wire inlet 112, then the positive pole lead of the vehicle-mounted power supply is fixedly connected with the positive pole lead 320 through the bolt, so that the positive pole conductor 310 is supplied with power, after the electric equipment in the power supply wall box 100 is installed according to the use requirement, the negative pole end of the electric equipment is fixedly connected with the negative pole terminal 232 of the inner wall of the negative pole binding post 220 through the lead, the branch line 350 at the position of the electric equipment is connected with the positive pole end of the electric equipment through the bolt, so that the current is sequentially input into the positive pole lead 320, the positive pole conductor 310, the main line seat 330, the wiring harness deconcentrator 340, the branch line 350, the wiring lug 360 and the positive pole end of the electronic equipment through the positive pole of the vehicle-mounted power supply, so as to supply power to the electric equipment, then the negative terminal 232 is connected through the negative end of the electrical equipment, the zero line box 120 is connected through the negative terminal 220, the bonding wire 210 and the vehicle body steel frame are connected through the zero line box 120, and finally the vehicle body steel frame returns to the negative end of the vehicle-mounted power supply, so that a closed loop is formed, the power supply wall box 100, the zero line box 120 and the insulating layer 130 are skillfully utilized in the power supply loop to form a negative loop, so that zero line wires do not need to be additionally arranged when the whole power supply wall box 100 and the electrical equipment in the power supply wall box 100 are wired, the utilization rate of the internal space of the power supply wall box 100 is improved, meanwhile, the fault rate of the internal circuit of the power supply wall box 100 is reduced, the use degree of the wires is reduced, the utilization rate of the internal space of the power supply wall box 100 is improved, and by reducing the negative wires in the power supply wall box 100, excessive wire harnesses are prevented from being accumulated in the power supply wall box 100, meanwhile, through the arrangement of the main line seat 330, the wire harness splitter 340 and the branch lines 350, the current introduced into the positive conductor 310 is divided into a plurality of groups of power supply lines in parallel structure, so that the electronic devices in the power supply wall box 100 are not interfered with each other, and the power utilization safety of the electronic devices is improved, an operator can move the positioning frame 420 up and down to a proper position by holding the handle 440 by hand, then clamp the branch lines 350 in the wire arrangement groove 432 for limiting, then insert the receiving buckles 431 into the receiving buckle holes 412 at corresponding positions by pressing down the handle 440, so that the branch lines 350 are fixed after being arranged, the neatness degree in the power supply wall box 100 is improved, meanwhile, the branch lines 350 are conveniently and reasonably arranged, the crossing among the branch lines 350 is avoided, the distance between the branch lines 350 and other wires is improved, the problem that the branch lines 350 are extruded and cannot radiate heat in time is solved, the convenience of equipment assembly and maintenance is improved, and the safety of equipment use is improved simultaneously.

The above is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims

1. The utility model provides an on-vehicle power supply wall box of circumscribed, includes power supply wall box (100), the inside fixed mounting negative pole bonding subassembly (200) of power supply wall box (100), the anodal wiring subassembly (300) of power supply wall box (100) inner wall fixed mounting, anodal wiring subassembly (300) outer wall can be dismantled and connect reason line subassembly (400), its characterized in that: power supply wall box (100) are including box body (110), zero line box (120) and insulating layer (130), negative pole bonding subassembly (200) are including bonding wire (210), negative terminal (220), connection terminal (230) and negative terminal (232), anodal wiring subassembly (300) are including anodal conductor (310), anodal lead wire (320), thread seat (330), pencil deconcentrator (340), branch line (350) and lug (360), reason line subassembly (400) are including spacing (410) and locating rack (420).

2. The external vehicle-mounted power supply wall box according to claim 1, wherein a wiring groove (111) is fixedly installed on the outer wall of the front end of the box body (110), two groups of wire inlet holes (112) are formed in the outer wall of the wiring groove (111), the two groups of wire inlet holes (112) extend into the box body (110), a buckling groove (113) is formed in the periphery of the top of the box body (110), a top plate (140) is fixedly installed on the inner wall of the buckling groove (113), and the outer wall of the right side of the top plate (140) is rotatably connected with the cover plate (150) through a hinge.

3. The external vehicle-mounted power supply wall box is characterized in that a zero line box (120) is fixedly mounted on the inner wall of the box body (110), an insulating layer (130) is fixedly mounted on the inner wall of the zero line box (120), a bonding wire (210) is fixedly connected to the bottom of the zero line box (120), and a bolt (211) is fixedly mounted at the end part of the inner wall of the bonding wire (210).

4. The external vehicle power supply wall box according to claim 3, wherein the zero line box (120) has negative terminals (220) uniformly distributed on the inner wall, the negative terminals (220) extend into the insulating layer (130), the negative terminals (220) comprise wire holders (230), the wire holders (230) are located inside the insulating layer (130), circular grooves (231) are formed in the inner walls of the wire holders (230), and the inner walls of the circular grooves (231) are rotatably connected with the negative terminals (232).

5. The wall box of claim 1, wherein the positive conductor (310) is fixedly mounted on the inner wall of the insulating layer (130), the outer wall of the positive conductor (310) is fixedly connected with a positive lead (320), a bolt is fixedly mounted at the end of the positive lead (320), a main wire seat (330) is uniformly mounted at the top of the positive conductor (310), and the outer wall of the main wire seat (330) is connected with the wire harness splitter (340) through the bolt.

6. The external vehicle power supply wall box according to claim 5, wherein three groups of branch lines (350) are fixedly connected to the top of the harness splitter (340), the ends of the three groups of branch lines (350) are fixedly provided with wiring lugs (360), the three groups of branch lines (350) are connected in parallel, and the ends of the wiring lugs (360) are fixedly provided with bolts.

7. The external vehicle-mounted power supply wall box according to claim 1, wherein two sets of limiting frames (410) are arranged in bilateral symmetry, sliding grooves (411) are formed in the outer walls of the limiting frames (410), the sliding grooves (411) are cross-shaped, and fastening holes (412) are uniformly formed in the inner walls of the sliding grooves (411).

8. The external vehicle-mounted power supply wall box according to claim 7, wherein four sets of positioning frames (420) are arranged between two sets of limiting frames (410), the left end and the right end of each positioning frame (420) are fixedly connected with a sliding base (430), and the outer wall of each sliding base (430) is in matched sliding connection with the inner wall of the corresponding sliding groove (411).

9. The external vehicle power supply wall box according to claim 8, wherein the slide base (430) is provided with a receiving buckle (431) on the outer wall uniformly, and the receiving buckle (431) is provided with a receiving buckle hole (412) on the outer wall in a matching and detachable way.

10. The external vehicle-mounted power supply wall box according to claim 9, wherein three wire arrangement grooves (432) are formed in an inner wall of the positioning frame (420), the three wire arrangement grooves (432) are matched with the clamping branch line (350), and a handle (440) is fixedly connected to a central position of an outer wall of the positioning frame (420).