CN210984838U

CN210984838U - New energy automobile battery safety arrangement

Info

Publication number: CN210984838U
Application number: CN202020155000.XU
Authority: CN
Inventors: 廖科燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-07
Filing date: 2020-02-07
Publication date: 2020-07-10
Anticipated expiration: 2030-02-07

Abstract

The utility model discloses a new energy automobile battery safety arrangement in power battery protection technical field, including the battery case, the battery box lid is installed at the top of battery case, the radiating piece is all installed at the bottom of battery case and the top of battery box lid, the filter core is installed to the inner chamber of battery case, mutually supports through built-in filter core and external radiating piece, the effect of dustproof, heat dissipation and splashproof water that can realize, promptly for the battery case can be to the power battery group of dress in its box cavity prevent dust, the protection of heat dissipation and splashproof water. Simultaneously, can change the filter core of battery case box intracavity under the prerequisite of not opening the battery case lid, reduce the chance of power battery group and external dust contact in the battery case box chamber, improve the dustproof protection to power battery group, simultaneously, avoided the direct internal of box that splashes into the battery case of outside water liquid, improved power battery group's security.

Description

New energy automobile battery safety arrangement

Technical Field

The utility model relates to a power battery protection technical field specifically is a new energy automobile battery safety arrangement.

Background

The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure.

The power battery is a power source for providing power source for the tool, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts. The energy-saving battery driving system is an important component of a new energy automobile, and from the view of cost of the new energy automobile, the battery driving system occupies 30-45% of the cost of the new energy automobile, and the power lithium battery occupies about 75-85% of the cost of the battery driving system.

The power battery can generate more heat in the using process, an aluminum battery box is usually adopted to contain the power battery pack in order to ensure the safety of the power battery, and the heat generated by the power battery is radiated by utilizing the heat-conducting property of aluminum, so that the potential safety hazard (such as accelerated aging and spontaneous combustion) caused by unsmooth radiation of the power battery is avoided. However, the protective function of the aluminum battery case has the following contradictory problems:

the box body is sealed, can play dustproof effect to the power battery group in the box, avoids power battery group surface to lead to self not smooth condition appearance of heat dissipation because of the laying dust, but in the heat that power battery group gived off directly gived off the aluminium system battery box, the heat in the battery box only can dispel the heat through the heat conduction effect of box body, and the heat dissipation is slower, and the temperature in the battery box is on the high side, is unfavorable for power battery group's safe handling.

Secondly, radiating holes are uniformly formed in the shell of the box body, and meanwhile, in order to avoid dust from entering, a dustproof filter screen is additionally arranged at the radiating holes, so that the radiating effect is accelerated and the dustproof effect is achieved, but more dust can be adsorbed on the dustproof filter screen along with the increase of the service life, and further the air circulation is not smooth, so that the radiating effect is poor; and directly set up the louvre on the casing of box body, water liquid directly splashes into in the battery box through dustproof filter screen easily, is unfavorable for carrying out the protection of splashing to power battery group.

Based on this, the utility model designs a new energy automobile battery safety arrangement to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a new energy automobile battery safety arrangement to solve the contradiction problem to the heat dissipation of battery case, dustproof and splashproof water that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a new energy automobile battery safety protection device comprises a battery box, wherein a battery box cover is installed at the top of the battery box, heat dissipation pieces are installed at the bottom of the battery box and the top of the battery box cover, and a filter element is installed in an inner cavity of the battery box;

the battery box comprises a box body with an opening at the top, four corners of a box cavity at the bottom of the battery box are respectively provided with a box body flow blocking ring, a box body socket is formed in the middle of each box body flow blocking ring, four corners of the top of the battery box are respectively provided with a first threaded hole, four corners of the bottom wall of the battery box are respectively provided with a foot block, the box body socket penetrates through the middle bottom wall of each foot block, and four corners of each foot block are respectively provided with a second threaded hole;

the battery box comprises a battery box cover, wherein top blocks are arranged on the top walls of four corners of the battery box cover, box cover choking rings are arranged on the bottom walls of the four corners of the battery box cover, a box cover socket is formed in the middle of each box cover choking ring and penetrates through the top wall of the middle of each top block, and third threaded holes are formed in the four corners of each top block;

the heat dissipation piece comprises a U-shaped pipe, ventilation holes are uniformly formed in the pipe wall of the U-shaped pipe, connecting plates are welded to the bottom walls of the two ends of the U-shaped pipe, and the four corners of each connecting plate are provided with an inserting hole.

Preferably, the third threaded hole at the outermost corner of the top block penetrates through the bottom wall of the battery box cover.

Preferably, the inserting hole in the connecting plate, the third threaded hole in the top block and the second threaded hole in the foot block are aligned in parallel.

Preferably, the filter core is multi-level dustproof filter core, and the box body socket is run through to the bottom of filter core, the lid socket is run through at the top of filter core.

Preferably, the inner annular wall of the box body flow blocking ring and the inner annular wall of the box cover flow blocking ring are not in contact with the filter element, and the axes of the box body flow blocking ring, the box cover flow blocking ring and the filter element are coincided.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a built-in filter core and external radiating piece mutually support, the effect of dustproof, heat dissipation and splashproof water that can realize for, promptly, make the battery case can carry out the protection of dustproof, heat dissipation and splashproof water to the power battery group of dress in its box chamber. Meanwhile, the filter element in the battery box cavity can be replaced on the premise of not opening the battery box cover, so that the opportunity that the power battery pack in the battery box cavity is contacted with external dust is reduced, the dustproof protection of the power battery pack is improved, and the self heat dissipation effect of the power battery pack is further ensured; meanwhile, external water liquid is prevented from directly splashing into the box body of the battery box, and the safety of the power battery pack is improved.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the utility model after the cover is removed;

FIG. 3 is a first schematic view of a battery box structure according to the present invention;

FIG. 4 is a schematic diagram of a battery box structure of the present invention;

fig. 5 is a first schematic structural view of a battery case cover of the present invention;

fig. 6 is a schematic diagram of a battery case cover structure of the present invention;

fig. 7 is a first schematic structural view of the heat sink of the present invention;

fig. 8 is a schematic structural view of a heat sink according to the present invention;

fig. 9 is an enlarged view of a portion a of fig. 2 according to the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

100-battery box, 110-foot block, 101-box body choke ring, 102-box body socket, 103-first threaded hole, 104-second threaded hole, 200-battery box cover, 211-top block, 212-box cover choke ring, 201-box cover socket, 202-third threaded hole, 300-heat dissipation piece, 310-U-shaped pipe, 320-connecting plate, 311-vent hole, 322-ampere socket and 400-filter element.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: a new energy automobile battery safety protection device comprises a battery box 100, a battery box cover 200, four radiating pieces 300 and four filter elements 400, wherein the battery box 100, the battery box cover 200 and the radiating pieces 300 are aluminum profile products.

The box cavity of the battery box 100 is used for loading the power battery, the radius of the box body choke ring 101 is the same as that of the box cover choke ring 212, the radius of the box body insertion opening 102 is the same as that of the box cover insertion opening 201, and the radius of the box body choke ring 101 is smaller than that of the box cover choke ring 212.

Two sets of heat dissipation members 300 are disposed below the battery box 100, the two sets of heat dissipation members 300 are disposed in a bilateral symmetry manner, wherein the connection plates 320 disposed at the two ends of the heat dissipation member 300 at the left portion are aligned and abutted with the two sets of foot blocks 110 at the left portion of the battery box 100, the connection plates 320 disposed at the two ends of the heat dissipation member 300 at the right portion are aligned and abutted with the two sets of foot blocks 110 at the right portion of the battery box 100, meanwhile, the insertion openings 322 of the two sets of heat dissipation members 300 are aligned with the second threaded holes 104, screws are installed through the hole cavities of the insertion openings 322, and the screws are screwed and fixed with the second threaded holes 104, thereby completing the fixed installation of the two sets of heat dissipation.

Two groups of heat dissipation members 300 are arranged above the battery box cover 200, the two groups of heat dissipation members 300 are arranged in a bilateral symmetry manner, wherein 320 arranged at two ends of the heat dissipation member 300 positioned at the left part are respectively aligned and abutted with two groups of top blocks 211 at the left part of the battery box cover 200, connecting plates 320 arranged at two ends of the heat dissipation member 300 positioned at the right part are respectively aligned and abutted with two groups of top blocks 211 at the right part of the battery box cover 200, meanwhile, insertion ports 322 of the two groups of heat dissipation members 300 are aligned with the third threaded holes 202, screws are installed through hole cavities of the insertion ports 322, and the screws are screwed and fixed with the third threaded holes 202, so that the fixed installation of the two groups of heat dissipation members 300 is. In addition, it should be noted that the third threaded hole 202 at the outermost corner of the top block 211 penetrates through the bottom wall of the battery box cover 200 and is aligned with the first threaded hole 103, and the screw installed in the hole of the third threaded hole 202 penetrates through the hole of the third threaded hole 202 and is screwed and fixed with the first threaded hole 103, so that the fixed installation of the battery box cover 200 is completed.

The top of the filter element 400 penetrates through the box cover socket 201 and is inserted into the end cavity of the U-shaped pipe 310 above the battery box cover 200; the bottom of the cartridge 400 is inserted through the cartridge body insertion opening 102 and into the end cavity of the U-shaped tube 310 below the battery case 100.

One specific application of this embodiment is: in the utility model, the heat dissipation process is as follows, the power battery pack loaded in the box cavity of the battery box 100 dissipates heat to the box cavity of the battery box 100, and there are two ways for dissipating heat outwards from the box cavity of the battery box 100, one way is to directly contact with the outside air through the bodies of the battery box 100, the battery box cover 200 and the heat dissipation member 300 to dissipate heat; the other is that the hot air inside the battery case 100 enters the inner cavity of the U-shaped tube 310 through the filter element 400 and is discharged to the outside through the vent hole 311. The dustproof process is as follows, the outside air enters the lumen of the U-shaped tube 310 through the vent hole 311, the dust contained in the outside air is blocked by the U-shaped tube 310, and then enters the filter element 400, and the dust contained in the outside air is blocked by the filter element 400, so that the dustproof effect is achieved. The anti-splashing process is as follows, external water liquid splashes into the tube cavity of the U-shaped tube 310 through the vent hole 311, and is discharged through other vent holes 311, and a part of water liquid flows into the filter element 400 from the tube cavities at two ends of the U-shaped tube 310, and flows downwards along the filter element 400, and finally flows into the tube cavity of the U-shaped tube 310 below the battery box 100, and is discharged through the vent hole 311 of the U-shaped tube 310 below the battery box 100, wherein the arrangement of the box body choking ring 101 and the box cover choking ring 212 prevents the water liquid from diffusing to the bottom wall of the inner cavity of the battery box 100 and the bottom wall of the plate body of the battery box cover 200 from the contact positions of the filter element 400 and.

Through right the utility model discloses an it is whole to use, can prevent dust to the power battery group that the 100 box intracavity of battery case loaded simultaneously, the protection of heat dissipation and splashproof water, the safety in utilization of power battery group has been improved, in addition, when needing to change filter core 400, directly lift the heat dissipation piece 300 of battery box lid 200 top off, then take filter core 400 out, and reinsert new filter core 400, at last install back again heat dissipation piece 300 can, need not to uncap battery box lid 200 during, the external dust enters into the condition appearance on power battery group surface when having avoided uncapping, the dustproof protection to power battery group has further been improved.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically coupled, may be directly coupled, or may be indirectly coupled through an intermediary. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention are understood according to specific situations. In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a new energy automobile battery safety arrangement, includes battery case (100), its characterized in that: a battery box cover (200) is installed at the top of the battery box (100), heat dissipation pieces (300) are installed at the bottom of the battery box (100) and the top of the battery box cover (200), and a filter element (400) is installed in the inner cavity of the battery box (100);

the battery box (100) comprises a box body with an opening at the top, four corners of a box cavity at the bottom of the battery box (100) are provided with box body flow blocking rings (101), the middle part of each box body flow blocking ring (101) is provided with a box body socket (102), four corners of the top of the battery box (100) are provided with first threaded holes (103), four corners of the bottom wall of the battery box (100) are provided with foot blocks (110), the box body socket (102) penetrates through the middle bottom wall of each foot block (110), and four corners of each foot block (110) are provided with second threaded holes (104);

the battery box cover comprises a battery box cover body (200), wherein top blocks (211) are arranged on the top walls of four corners of the battery box cover body (200), box cover flow blocking rings (212) are arranged on the bottom walls of the four corners of the battery box cover body (200), a box cover inserting opening (201) is formed in the middle of each box cover flow blocking ring (212), each box cover inserting opening (201) penetrates through the top wall of the middle of each top block (211), and third threaded holes (202) are formed in the four corners of each top block (211);

the heat dissipation piece (300) comprises a U-shaped pipe (310), vent holes (311) are uniformly formed in the pipe wall of the U-shaped pipe (310), connecting plates (320) are welded to the bottom walls of the two ends of the U-shaped pipe (310), and the four corners of each connecting plate (320) are provided with an inserting hole (322).

2. The new energy automobile battery safety protection device of claim 1, characterized in that: and a third threaded hole (202) at the outermost corner of the top block (211) penetrates through the bottom wall of the battery box cover (200).

3. The new energy automobile battery safety protection device of claim 1, characterized in that: the inserting hole (322) on the connecting plate (320), the third threaded hole (202) on the top block (211) and the second threaded hole (104) on the foot block (110) are aligned in parallel.

4. The new energy automobile battery safety protection device of claim 1, characterized in that: the filter core (400) is multi-level dustproof filter core, and box body socket (102) is run through to the bottom of filter core (400), lid socket (201) is run through to the top of filter core (400).

5. The new energy automobile battery safety protection device of claim 4, characterized in that: the inner ring wall of the box body flow blocking ring (101) and the inner ring wall of the box cover flow blocking ring (212) are not in contact with the filter element (400), and the axes of the box body flow blocking ring (101), the box cover flow blocking ring (212) and the filter element (400) are coincided.