CN112531529A

CN112531529A - High-voltage distribution box for new energy automobile

Info

Publication number: CN112531529A
Application number: CN202011479462.8A
Authority: CN
Inventors: 黄新蕊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-03-19

Abstract

The invention discloses a high-voltage distribution box for a new energy automobile, and relates to the technical field of new energy automobiles; the problem of difficulty in maintenance caused by the fact that a plurality of screws are used for connection on the outer side is solved; the novel multifunctional electric appliance base plate comprises a base plate, the top of the base plate is fixedly provided with a shell, the end portion and the side face of the shell are respectively fixedly provided with a wiring terminal and a charging terminal, the bottom of the base plate is fixedly provided with a plurality of supporting columns, a supporting frame is fixedly arranged between the bottoms of the supporting columns, two sides of the base plate are fixedly provided with shaft rods, and the outer side of each shaft rod is rotatably provided with a plurality of locking buckles. In the invention, the swinging piece with the semicircular structure is driven to rotate through vibration in the process of driving, so that the circulation of surrounding air is driven, the heat dissipation effect around the distribution box is improved, the cover plate of the distribution box is locked by the locking buckles and the locking parts on the two sides, the bolts used for installation are reduced, and the convenience for dismounting the distribution box is improved.

Description

High-voltage distribution box for new energy automobile

Technical Field

The invention relates to the technical field of new energy automobiles, in particular to a high-voltage distribution box for a new energy automobile.

Background

A high-voltage power distribution cabinet (box/case) of a new energy electric vehicle is a high-voltage large-current distribution unit PDU of all pure electric vehicles and plug-in hybrid electric vehicles. Adopt centralized distribution scheme, structural design is compact, and the wiring overall arrangement is convenient, overhauls convenient and fast. According to the system architecture requirements of different customers, the high-voltage distribution box is also integrated with a part of intelligent control management units of the battery management system, so that the complexity of the whole vehicle system architecture power distribution is further simplified.

The high-voltage distribution box that exists on the market mostly continues to use industrial high-voltage distribution box's design theory, from whole car space, the complexity and the cost consideration of whole car framework, the industry adopts centralized high-voltage electrical system framework distribution extensively, utilizes a lot of screws to connect in its outside, causes and overhauls the difficulty, and the high-voltage distribution box of many new energy automobile adopts the fan heat dissipation, and the dust that produces when the car moves enters into the box inside through the louvre easily, influences the radiating effect.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a high-voltage distribution box for a new energy automobile.

The invention provides a high-voltage distribution box for a new energy automobile, which comprises a base plate, wherein a shell is fixedly arranged at the top of the base plate, a wiring terminal and a charging terminal are fixedly arranged at the end part and the side surface of the shell respectively, a plurality of supporting columns are fixedly arranged at the bottom of the base plate, a supporting frame is fixedly arranged between the bottom ends of the supporting columns, shaft rods are fixedly arranged at two sides of the base plate, a plurality of locking buckles are rotatably arranged at the outer sides of the shaft rods, locking parts with arc-shaped structures are arranged at the top ends of the locking buckles, a cover plate is fixedly arranged at the top end of the shell, convex plates matched with the locking parts are arranged at two sides of the top of the cover plate, two buffer plates are arranged at the top of the cover plate and fixedly arranged between the end parts of the locking parts and the shell, a plurality of circular holes are arranged on the surfaces, the extension pipe is characterized in that a connecting shaft is rotatably arranged inside the extension pipe, a swinging piece of a semicircular structure is fixedly arranged at one end of the outer side of the connecting shaft, a plurality of mounting frames are fixedly arranged at the bottom end inside the shell, and rectangular clamping grooves are formed in the side faces of the mounting frames.

Preferably, the equal fixed mounting in one side that bed plate and apron kept away from each other has the protection bottom plate, and the surface of protection bottom plate is provided with a plurality of circular slot holes with the connecting axle looks adaptation, and the side four corners of protection bottom plate all is provided with the extension post, and fixed mounting has the protection planking between the tip of extension post.

Preferably, the protection bottom plate and the protection outer plate are made of transparent materials.

Preferably, the surfaces of the two sides of the swinging piece are both provided with heat dissipation grooves with fan-shaped structures, and the heat dissipation grooves distributed up and down are arranged in a staggered manner.

Preferably, the other end of the connecting shaft is fixedly provided with a plurality of heat conducting fins distributed in an annular array.

Preferably, the both sides of casing all are provided with a plurality of bar grooves, and the inside welding in bar groove has the heat dissipation fin, and the outside end of heat dissipation fin is provided with the breach groove.

Preferably, the side of the locking buckle is provided with a plurality of slots, and the end size of the heat dissipation fin is matched with the inner space of the slots.

Preferably, the side of the locking buckle is hinged with a sealing box with an L-shaped section, and two adjacent sealing boxes are stably connected through a hasp lock.

According to the invention, in the driving process, the swinging piece of the semicircular structure is driven to rotate through vibration, so that the circulation of surrounding air is driven, the heat dissipation effect around the distribution box is improved, the cover plate of the distribution box is locked by the locking buckles and the locking parts on the two sides, the bolts used for installation are reduced, and the convenience in mounting and dismounting the distribution box is improved.

The outside of block terminal utilizes protection bottom plate and protection planking to hide the swing piece wherein, and the periphery of protection bottom plate and protection planking is the fretwork state, installs in the inside back of new energy automobile, can effectively avoid dust etc. directly to fall into the surface, influences swing piece motion effect, and can avoid connecting wire bunch etc. and swing piece contact friction, improves swing piece radiating process's stability.

Drive the connecting axle at swing piece vibration in-process and rotate, and then drive the conducting strip of the connecting axle other end and carry out rotary motion, utilize the conducting strip that distributes about the block terminal is inside, stir the inside air of block terminal and flow, improve the conducting strip at the inside heat exchange effect of block terminal, further improve high voltage distribution box's radiating effect.

Drawings

Fig. 1 is a schematic side view of a high voltage distribution box for a new energy vehicle according to the present invention;

fig. 2 is a schematic structural diagram of a housing of a high-voltage distribution box for a new energy automobile according to the present invention;

fig. 3 is a schematic structural view of a locking buckle of a high-voltage distribution box for a new energy automobile, which is provided by the invention;

fig. 4 is a schematic structural view of a heat conducting fin of a high voltage distribution box for a new energy automobile according to the present invention;

fig. 5 is a schematic structural diagram of a cover plate of a high-voltage distribution box for a new energy automobile according to the present invention.

In the figure: the heat dissipation device comprises a support frame 1, a shaft rod 2, a heat dissipation fin plate 3, a shell 4, a locking buckle 5, a protruding plate 6, a cover plate 7, a wiring terminal 8, a locking part 9, a sealing box 10, a charging terminal 11, a base plate 12, a connecting shaft 13, a swinging part 14, an extension pipe 15, a protective bottom plate 16, a protective outer plate 17, a supporting column 18, a mounting frame 19, a heat conduction sheet 20, a buffer plate 21 and a slot 22.

Detailed Description

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-5, a high voltage distribution box for a new energy automobile comprises a base plate 12, a housing 4 is fixedly installed on the top of the base plate 12, a connection terminal 8 and a charging terminal 11 are respectively fixedly installed on the end and the side of the housing 4, a plurality of support columns 18 are fixedly installed on the bottom of the base plate 12, a support frame 1 is fixedly installed between the bottom ends of the support columns 18, shaft rods 2 are fixedly installed on both sides of the base plate 12, a plurality of locking buckles 5 are rotatably installed on the outer sides of the shaft rods 2, a locking portion 9 with an arc structure is arranged on the top end of each locking buckle 5, a cover plate 7 is fixedly installed on the top end of the housing 4, protruding plates 6 matched with the locking portion 9 are arranged on both sides of the top of the cover plate 7, two buffer plates 21 are arranged on the top of the cover plate 7, the buffer plates 21 are fixedly installed between the end of the locking portion 9 and the housing, and the inside welding of circular port has extension pipe 15, the inside of extension pipe 15 is rotated and is installed connecting axle 13, and the outside one end of connecting axle 13 is fixed and is installed the swing piece 14 of semicircular structure, the inside bottom fixed mounting of casing 4 has a plurality of mounting brackets 19, and the side of mounting bracket 19 is provided with the rectangle draw-in groove, in the device through support column 18, the bed plate 12 that the support frame 1 will constitute the distribution box main part, casing 4 and apron 7 are unsettled, make it possess enough interval of connecting axle 13 and swing piece 14 motion with the mounting bracket of new energy automobile, the high voltage distribution box is wholly sealed, carry out heat conduction and heat dissipation through the connecting axle 13 that extends to the outside from top to bottom at the block terminal, drive the swing piece 14 of semicircular structure to rotate through the vibration in the course of driving a vehicle, and then drive the circulation of surrounding air, improve the radiating effect around the, the locking buckles 5 and the locking parts 9 on the two sides are used for locking, so that bolts used for installation are reduced, and convenience in disassembly and assembly of the distribution box is improved.

According to the invention, the side, away from each other, of the base plate 12 and the cover plate 7 is fixedly provided with the protection bottom plate 16, the surface of the protection bottom plate 16 is provided with a plurality of circular groove holes matched with the connecting shaft 13, four corners of the side surface of the protection bottom plate 16 are respectively provided with the extension columns, the protection outer plate 17 is fixedly arranged between the end parts of the extension columns, the swinging piece 14 is hidden in the outer side of the distribution box by utilizing the protection bottom plate 16 and the protection outer plate 17, the peripheries of the protection bottom plate 16 and the protection outer plate 17 are in a hollow state, and after the protection bottom plate is arranged in a new energy automobile, dust and the like can be effectively prevented from directly falling into the surface to influence the movement effect of the swinging piece 14, the contact friction between a wiring harness and the.

In the invention, the protective bottom plate 16 and the protective outer plate 17 are made of transparent materials, and the protective bottom plate 16 and the protective outer plate 17 are made of transparent materials, so that the surrounding environment of the swinging piece 14 can be observed when a new energy automobile is inspected, and the influence of dust on the movement effect of the swinging piece is avoided.

According to the invention, the heat dissipation grooves with fan-shaped structures are arranged on the surfaces of the two sides of the swinging piece 14, the heat dissipation grooves distributed up and down are arranged in a staggered manner, and through the arrangement of the heat dissipation grooves, when the swinging piece 14 moves, the flow of ambient air is improved, the heat conduction and heat dissipation effects of the connecting shaft 13 and the swinging piece 14 on the internal environment of the distribution box are further improved, and a high-voltage large current distribution unit in the high-voltage distribution box during the operation of a new energy automobile is protected.

According to the invention, the other end of the connecting shaft 13 is fixedly provided with the plurality of heat conducting fins 20 distributed in an annular array manner, the connecting shaft 13 is driven to rotate in the vibration process of the swinging piece 14, so that the heat conducting fins 20 at the other end of the connecting shaft 13 are driven to rotate, air in the distribution box is stirred to flow by utilizing the heat conducting fins 20 distributed up and down in the distribution box, the heat exchange effect of the heat conducting fins 20 in the distribution box is improved, and the heat dissipation effect of the high-voltage distribution box is further improved.

According to the invention, a plurality of strip-shaped grooves are formed in both sides of the shell 4, the heat dissipation fins 3 are welded in the strip-shaped grooves, the outer side ends of the heat dissipation fins 3 are provided with notches, and a plurality of heat dissipation fins 3 penetrating through the shell 4 are arranged on the outer side of the high-voltage distribution box and are used for communicating the internal environment and the external environment of the high-voltage distribution box, so that the temperature of the outer wall of the shell 4 is taken away by wind in the running process of a vehicle, and the heat dissipation effect of the high-voltage distribution box during.

In the invention, the side surface of the locking buckle 5 is provided with the plurality of slots 22, the end part size of the radiating fin 3 is matched with the inner space of the slots 22, when the locking buckle 5 installs the shell 4 and the cover plate 7, the end part of the radiating fin 3 is directly inserted into the slots 22, the heat conducting area is increased, and meanwhile, the stability of the locking buckle 5 for fixing the high-voltage distribution box component is improved.

This embodiment is when using, through support column 18 in the device, support frame 1 will constitute the bed plate 12 of block terminal main part, casing 4 and apron 7 are unsettled, make its mounting bracket with new energy automobile possess the interval of enough connecting axle 13 and the motion of swing 14, high voltage distribution box is whole to be encapsulated situation, carry out heat conduction and heat dissipation through the connecting axle 13 that extends to the outside from top to bottom at the block terminal, swing 14 that drives semi-circular structure through the vibration at the in-process of driving rotates, and then drive the circulation of air around, improve the radiating effect around the block terminal, and the apron 7 of block terminal, rely on the locking of both sides to detain 5 and lock portion 9 and lock, reduce the bolt that the installation was used, improve the convenience of block terminal dismouting.

Example 2

Referring to fig. 1 to 5, in this embodiment, compared to embodiment 1, a sealing box 10 having an L-shaped cross section is hinged to a side surface of a locking buckle 5, and two adjacent sealing boxes 10 are firmly connected by a snap lock.

This embodiment is when using, connects the electricity at high voltage distribution box and accomplishes the back, and its wiring side utilizes the seal box 10 of installing on locking buckle 5 to fix, and the pencil that will connect is effectively fixed, reduces the vehicle and goes the vibration of in-process butt joint position, simultaneously, need loosen it when examining high voltage distribution box unpicking, just can lock the dismouting of detaining 5 for maintenance personal demolishs the joint pencil, improves the security of operation.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The high-voltage distribution box for the new energy automobile comprises a base plate (12), a shell (4) is fixedly mounted at the top of the base plate (12), a wiring terminal (8) and a charging terminal (11) are respectively fixedly mounted at the end part and the side surface of the shell (4), and is characterized in that a plurality of supporting columns (18) are fixedly mounted at the bottom of the base plate (12), a supporting frame (1) is fixedly mounted between the bottom ends of the supporting columns (18), shaft rods (2) are fixedly mounted on two sides of the base plate (12), a plurality of locking buckles (5) are rotatably mounted on the outer sides of the shaft rods (2), a locking portion (9) of an arc-shaped structure is arranged at the top end of each locking buckle (5), a cover plate (7) is fixedly mounted at the top end of the shell (4), and protruding plates (6) matched with the locking portion (9) are arranged on two sides of the top of, the top of apron (7) is provided with two buffer boards (21), and buffer board (21) fixed mounting between closure portion (9) tip and casing (4), the surface of bed plate (12) and apron (7) all is provided with a plurality of circular ports, and the inside welding of circular port has extension pipe (15), connecting axle (13) are installed in the internal rotation of extension pipe (15), and the outside one end fixed mounting of connecting axle (13) has semi-circular structure's swing piece (14), the inside bottom fixed mounting of casing (4) has a plurality of mounting brackets (19), and the side of mounting bracket (19) is provided with the rectangle draw-in groove.

2. The high-voltage distribution box for the new energy automobile according to claim 1, wherein a protection bottom plate (16) is fixedly installed on one side, away from each other, of the base plate (12) and the cover plate (7), a plurality of circular groove holes matched with the connecting shaft (13) are formed in the surface of the protection bottom plate (16), extension columns are arranged on four corners of the side surface of the protection bottom plate (16), and a protection outer plate (17) is fixedly installed between the end portions of the extension columns.

3. The high-voltage distribution box for the new energy automobile according to claim 2, wherein the protective bottom plate (16) and the protective outer plate (17) are made of transparent materials.

4. The high-voltage distribution box for the new energy automobile according to claim 1, wherein the oscillating member (14) has heat dissipation grooves with fan-shaped structures on both side surfaces, and the heat dissipation grooves distributed up and down are staggered.

5. The high-voltage distribution box for the new energy automobile according to claim 4, wherein a plurality of heat conducting fins (20) distributed in an annular array are fixedly installed at the other end of the connecting shaft (13).

6. The high-voltage distribution box for the new energy automobile according to claim 1, wherein a plurality of strip-shaped grooves are formed in both sides of the housing (4), the heat dissipation fins (3) are welded in the strip-shaped grooves, and notches are formed in outer side ends of the heat dissipation fins (3).

7. The high-voltage distribution box for the new energy automobile according to claim 6, wherein the side of the locking buckle (5) is provided with a plurality of slots (22), and the end size of the heat dissipation fin (3) is adapted to the inner space of the slots (22).

8. The high-voltage distribution box for the new energy automobile according to claim 1, wherein the side surface of the locking buckle (5) is hinged with a sealing box (10) with an L-shaped section, and two adjacent sealing boxes (10) are firmly connected through a snap lock.