CN210443643U

CN210443643U - Air cooling structure of lithium battery pack

Info

Publication number: CN210443643U
Application number: CN201921515931.XU
Authority: CN
Inventors: 何光明; 李克俭; 何凯翔; 武显平; 黄平江
Original assignee: Xinjiang Smei New Energy Co Ltd
Current assignee: Xinjiang Smei New Energy Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-01
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a lithium cell group air cooling structure belongs to lithium cell group field, the power distribution box comprises a box body, the top fixedly connected with heat dissipation box of box, first dust screen is installed in the top embedding of heat dissipation box, the bottom fixed mounting of first dust screen has quantity to be three fan, the air intake has been seted up at the top of box, and the air intake is located the fan under. The utility model discloses a set up first dust screen and second dust screen, avoided lithium cell group in use inside sneak into rubbish, make lithium cell group can not block up the inside overheated damage because of rubbish, through setting up the fan, the wind speed has been increaseed, the air flow has been accelerated, make the radiating effect better, through setting up the ARC, make wind get into the back dwell time of lithium cell group longer, the radiating effect is better, through setting up the heating panel, make the battery monomer when the work is heated, faster volatilize the heat out.

Description

Air cooling structure of lithium battery pack

Technical Field

The utility model relates to a lithium cell group field, more specifically say, relate to a lithium cell group air cooling structure.

Background

Lithium batteries are batteries using a nonaqueous electrolyte solution and using lithium metal or a lithium alloy as a negative electrode material. Lithium metal batteries were first proposed and studied by Gilbert n.lewis in 1912. In the 70 s of the 20 th century, the m.s.whittingham proposed and started to research lithium ion batteries, and because of the very active chemical properties of lithium metal, the requirements on the environment for the processing, storage and use of lithium metal were very high. With the development of science and technology, lithium batteries have become the mainstream nowadays.

The normal operating temperature of battery should be around 20 ~ 40 ℃, if the temperature of group battery has reached above 50 ℃, the life of power battery group will be showing and shorten, and lithium cell group on the existing market is at the during operation, and inside temperature risees, can not obtain effectual heat dissipation, still probably arouses the burning of group battery even explosion when serious, threatens user's life safety's problem.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a lithium cell group air cooling structure possesses the advantage that the radiating effect is good and extension battery life, has solved still probably to arouse the burning of group battery or even the explosion when serious, threatens user's life safety's problem.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a lithium cell group air-cooling structure, includes the box, the top fixedly connected with heat dissipation box of box, first dust screen is installed in the top embedding of heat dissipation box, the bottom fixed mounting of first dust screen has quantity to be three fan, the air intake has been seted up at the top of box, and the air intake is located the fan under, the air outlet has been seted up to the bottom of box, the bottom joint of box has the second dust screen, the equal fixedly connected with quantity of interior roof and the interior diapire of box is seven spacing seats, every the inner wall of spacing seat is all pegged graft and is had battery monomer, every the equal fixedly connected with heating panel in the free left and right sides of battery, the inside fixedly connected with arc baffle of box.

Preferably, the number of the arc-shaped partition plates is six, and the arc-shaped partition plates are positioned between two adjacent battery cells.

Preferably, two through holes are formed in the two sides of each limiting seat, and the number of the through holes is twenty-eight.

Preferably, the top fixedly connected with lithium cell of box connects, and the top that the lithium cell connects runs through the heat dissipation box and extends to the outside of heat dissipation box.

Preferably, each inner wall of the limiting seat is fixedly provided with an aluminum sheet, and the battery monomer is in contact with the aluminum sheet.

Preferably, the bottom of box is seted up quantity and is two breach, every the draw-in groove has all been seted up to the bottom of breach, the top fixedly connected with quantity of second dust screen is two fixture blocks, fixture block and draw-in groove joint.

Preferably, the first dustproof net and the second dustproof net are sixty-mesh filter screens.

Preferably, the thickness of the arc-shaped partition plate is five millimeters, and the arc-shaped partition plate is made of PE material members.

Preferably, the four corners of the bottom of the box body are fixedly connected with connecting columns, and the bottom of each connecting column is fixedly connected with a bottom plate.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this lithium cell group air cooling structure, through setting up first dust screen and second dust screen, the inside rubbish of sneaking into in the use of lithium cell group has been avoided, make lithium cell group can not block up the inside overheated damage because of rubbish, through setting up the fan, the wind speed has been strengthened, the air flow has been accelerated, make the radiating effect better, through setting up the ARC, make wind get into behind the lithium cell group dwell time longer, the radiating effect is better, through setting up the heating panel, make the battery monomer be heated in the during operation, more fast volatilize the heat out.

(2) This air cooling structure of lithium cell group through setting up the through-hole, has increased the heat radiating area of lithium cell group for the heat dissipation is faster.

(3) This lithium cell group air cooling structure through setting up the aluminum sheet for the battery monomer top and the bottom heat dissipation are faster, and the radiating effect is better.

(4) This lithium cell group air cooling structure, through using the PE material, PE has excellent corrosion resistance, simple structure, low in labor strength, and is clean pollution-free.

(5) This lithium cell group air cooling structure through setting up draw-in groove and fixture block for the second dust screen is in routine maintenance and washing convenience, directly take out can, easy operation.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a left side view of the present invention.

The reference numbers in the figures illustrate:

1. a box body; 101. connecting columns; 102. a base plate; 2. a heat dissipation box; 3. a first dust screen; 4. an air inlet; 5. a limiting seat; 501. a through hole; 502. aluminum sheets; 6. a battery cell; 7. an arc-shaped partition plate; 8. a heat dissipation plate; 9. a second dust screen; 10. a lithium battery terminal; 11. a fan; 12. and (7) air outlet.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, an air cooling structure for a lithium battery pack comprises a box body 1, a heat dissipation box 2 is fixedly connected to the top of the box body 1, a first dust screen 3 is embedded in the top of the heat dissipation box 2, three fans 11 are fixedly installed at the bottom of the first dust screen 3, an air inlet 4 is formed in the top of the box body 1, the air inlet 4 is located under the fans 11, an air outlet 12 is formed in the bottom of the box body 1, a lithium battery connector 10 is fixedly connected to the top of the box body 1, the top of the lithium battery connector 10 penetrates through the heat dissipation box 2 and extends to the outside of the heat dissipation box 2, a second dust screen 9 is clamped to the bottom of the box body 1, seven limiting seats 5 are fixedly connected to the inner top wall and the inner bottom wall of the box body 1, battery cells 6 are inserted into the inner wall of each limiting seat 5, heat dissipation plates 8 are fixedly connected to the left side, an arc-shaped partition plate 7 is fixedly connected inside the box body 1.

Further, the number of the arc-shaped partition plates 7 is six, the arc-shaped partition plates 7 are located between two adjacent single batteries 6, and the arc-shaped partition plates 7 are arranged, so that the residence time of wind entering the lithium battery pack is longer, and the heat dissipation effect is better.

Further, the through holes 501 with two numbers are all opened on the two sides of each limiting seat 5, the through holes 501 are twenty-eight in number, and through the through holes 501, the heat dissipation area of the lithium battery pack is increased, so that heat dissipation is faster.

Further, the equal fixed mounting of inner wall of every spacing seat 5 has aluminum sheet 502, and battery monomer 6 and aluminum sheet 502 contact through setting up aluminum sheet 502 for the heat dissipation of 6 tops of battery monomer and bottom is faster, and the radiating effect is better.

Further, the bottom of box 1 is seted up quantity and is two breach, and the draw-in groove has all been seted up to the bottom of every breach, and the top fixedly connected with quantity of second dust screen 9 is two fixture blocks, fixture block and draw-in groove joint through setting up draw-in groove and fixture block for second dust screen 9 is in routine maintenance and washing convenience, directly take out can, easy operation.

Further, the specification of first dust screen 3 and second dust screen 9 is sixty mesh filter screen, through setting up first dust screen 3 and second dust screen 9, has avoided lithium cell group in-service inside sneaking into rubbish for lithium cell group can not be because of the inside overheated damage of rubbish jam.

Further, the thickness of arc baffle 7 is five millimeters, and the material of arc baffle 7 is PE material component, and through using the PE material, PE has excellent corrosion resistance, simple structure, low in labor strength, clean pollution-free.

Further, the bottom four corners fixedly connected with spliced pole 101 of box 1, the bottom fixedly connected with bottom plate 102 of spliced pole 101 is through setting up spliced pole 101 and bottom plate 102 for the air outlet 12 of lithium cell group bottom can not blockked up, has ensured the business turn over of air, has prolonged the life of lithium cell group.

The working principle is as follows: when the lithium battery pack starts to work, the fan 11 starts to work, the wind speed is increased by arranging the fan 11, the air flow is accelerated, the heat dissipation effect is better, the air circulation is accelerated, the wind speed is increased, the wind enters the lithium battery pack through the air inlet 4, the heat of the battery monomer 6 passes through the heat dissipation plate 8 and the aluminum sheet 502, the heat dissipation of the top and the bottom of the battery monomer 6 is faster by arranging the aluminum sheet 502, the heat dissipation effect is better, the heat generated by the work is dissipated to the outside, the wind firstly enters the through hole 501, the heat dissipation area of the lithium battery pack is increased by arranging the through hole 501, the heat dissipation is faster, the heat is more quickly volatilized by a channel formed by the arc-shaped partition plate 7 and the heat dissipation plate 8 through arranging the arc-shaped partition plate 7 after the wind enters the lithium battery pack, the heat dissipation effect is better, by arranging the heat dissipation plate 8, the battery monomer, drive heat in the through-hole 501 and the heat in the passageway down and remove, through air outlet 12, rethread second dust screen 9 takes the heat out, through second dust screen 9, the inside rubbish of sneaking into in the use of lithium cell group has been avoided, make lithium cell group can not block up the inside overheat damage because of rubbish, realize the inside whole cooling of lithium cell group, when daily lithium cell group is out of work, accessible draw-in groove and fixture block are dismantled second dust screen 9, wash, through setting up draw-in groove and fixture block, make second dust screen 9 in routine maintenance and washing convenience, directly take out can, and is simple in operation.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a lithium cell group air cooling structure, includes box (1), its characterized in that: the top of the box body (1) is fixedly connected with a heat dissipation box (2), the top of the heat dissipation box (2) is embedded with a first dust screen (3), the bottom of the first dust screen (3) is fixedly provided with three fans (11), the top of the box body (1) is provided with an air inlet (4), the air inlet (4) is positioned right below the fan (11), the bottom of the box body (1) is provided with an air outlet (12), the bottom joint of box (1) has second dust screen (9), the equal fixedly connected with quantity of the interior roof of box (1) and the equal fixedly connected with quantity of interior diapire be seven spacing seat (5), every battery monomer (6), every the equal fixedly connected with heating panel (8) of the left and right sides of battery monomer (6), the inside fixedly connected with arc baffle (7) of box (1).

2. The air cooling structure of the lithium battery pack according to claim 1, wherein: the number of the arc-shaped partition plates (7) is six, and the arc-shaped partition plates (7) are positioned between the two adjacent single batteries (6).

3. The air cooling structure of the lithium battery pack according to claim 1, wherein: every through-hole (501) that quantity is two are all seted up to the both sides of spacing seat (5), the quantity of through-hole (501) is twenty eight.

4. The air cooling structure of the lithium battery pack according to claim 1, wherein: the top fixedly connected with lithium cell of box (1) connects (10), and the top of lithium cell connects (10) runs through heat dissipation box (2) and extends to the outside of heat dissipation box (2).

5. The air cooling structure of the lithium battery pack according to claim 1, wherein: every the inner wall of spacing seat (5) all fixed mounting have aluminum sheet (502), battery monomer (6) and aluminum sheet (502) contact.

6. The air cooling structure of the lithium battery pack according to claim 1, wherein: the bottom of box (1) is seted up quantity and is two breach, every the draw-in groove has all been seted up to the bottom of breach, the top fixedly connected with quantity of second dust screen (9) is two fixture blocks, fixture block and draw-in groove joint.

7. The air cooling structure of the lithium battery pack according to claim 1, wherein: the specifications of the first dustproof net (3) and the second dustproof net (9) are sixty-mesh filter screens.

8. The air cooling structure of the lithium battery pack according to claim 1, wherein: the thickness of the arc-shaped partition plate (7) is five millimeters, and the arc-shaped partition plate (7) is made of PE material members.

9. The air cooling structure of the lithium battery pack according to claim 1, wherein: the bottom four corners of the box body (1) are fixedly connected with connecting columns (101), and the bottom of each connecting column (101) is fixedly connected with a bottom plate (102).