CN215933660U - Lithium battery pack with adjustable heat dissipation function - Google Patents

Lithium battery pack with adjustable heat dissipation function Download PDF

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Publication number
CN215933660U
CN215933660U CN202122219727.7U CN202122219727U CN215933660U CN 215933660 U CN215933660 U CN 215933660U CN 202122219727 U CN202122219727 U CN 202122219727U CN 215933660 U CN215933660 U CN 215933660U
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heat dissipation
lithium battery
battery pack
bracket
top cover
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CN202122219727.7U
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Chinese (zh)
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俞飞
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Nanjing Yutian New Energy Technology Co ltd
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Nanjing Yutian New Energy Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model discloses a lithium battery pack with an adjustable heat dissipation function, and relates to the technical field of lithium battery pack heat dissipation, and the lithium battery pack comprises a protective box, a top cover arranged at the top opening of the protective box, a bracket arranged in the protective box and a plurality of lithium battery packs arranged on the bracket, wherein a ventilation cavity is formed in the top cover, and heat dissipation fans are arranged in mounting holes; both sides of the bottom surface of the top cover are provided with ventilation openings; both sides of the inside of the ventilation cavity are horizontally and movably provided with plugging plates, and both sides of the bottom surface of the heat radiation fan are provided with support rods; the cooling structure is simple, the ventilation and heat dissipation effects in the protection box are effectively improved through the cooperation of the cooling fan, the top cover and the bracket, the synchronous air supply and air exhaust effects are conveniently realized, the hot air exhaust efficiency in the protection box is improved, the lithium battery pack is conveniently and rapidly cooled, the overheating phenomenon of the lithium battery pack during working is avoided, and the service life of the lithium battery pack is effectively prolonged.

Description

Lithium battery pack with adjustable heat dissipation function
Technical Field
The utility model relates to the technical field of lithium battery pack heat dissipation, in particular to a lithium battery pack with an adjustable heat dissipation function.
Background
The lithium battery has the advantages of high energy density, light weight, long service life and the like, and is widely applied, so that the lithium battery is more and more widely applied along with the improvement of the manufacturing technology of the lithium battery; at present, a plurality of lithium batteries are assembled into a protective box to be used as a power supply, and because a large amount of heat can be generated in the protective box when a lithium battery pack is used, the heat is difficult to be discharged in burning sun, the temperature of the lithium battery pack is gradually increased, the performance of the lithium battery pack is reduced, and even dangers such as ignition occur;
the conventional protective box for the lithium battery pack has poor heat dissipation effect, cannot timely discharge heat generated by the lithium battery pack, and cannot quickly discharge hot air in the protective box, so that the lithium battery pack is always in a high-temperature state, and the performance of the lithium battery pack is seriously influenced; therefore, the above problems need to be solved and optimized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defect of poor practicability in the prior art, and provides a lithium battery pack with an adjustable heat dissipation function.
In order to achieve the purpose, the utility model adopts the following technical scheme: a lithium battery pack with an adjustable heat dissipation function comprises a protective box, a top cover arranged at the top opening of the protective box, a bracket arranged in the protective box and a plurality of lithium battery packs arranged on the bracket, wherein a ventilation cavity is formed in the top cover; both sides of the bottom surface of the top cover are provided with ventilation openings;
two sides inside the ventilation cavity are horizontally and movably provided with plugging plates, four corners of the top surface of each plugging plate are vertically and movably penetrated with stabilizer bars, and two ends of each stabilizer bar are fixedly connected with the inner wall of the ventilation cavity; a plurality of ventilation holes are uniformly formed in the top surface of the plugging plate, support rods are arranged on two sides of the bottom surface of the cooling fan, and the bottom ends of the support rods are abutted to the top surface of the plugging plate.
Preferably, a return spring is movably sleeved on the stabilizing rod below the plugging plate.
Preferably, rectangular strip-shaped diversion trenches are vertically formed in the periphery of the inner wall of the protection box; the top surface of the bracket is provided with a rubber pressure pad.
Preferably, all be fixed with the limiting plate of L form through the bolt on the bracket in the lithium cell group outside, the even rigid coupling in bottom surface of bracket has a plurality of location inserted blocks, a plurality of constant head tanks have been seted up to the interior bottom surface cooperation location inserted block of protective housing.
Preferably, the bracket is internally provided with a heat dissipation cavity, and the surface of the bracket is provided with a plurality of heat dissipation ports communicated with the heat dissipation cavity.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, through the cooperation of the cooling fan, the top cover and the bracket, the ventilation and cooling effects on the interior of the protective box are effectively improved, the synchronous air supply and air exhaust effects are conveniently realized, the hot air exhaust efficiency in the protective box is accelerated, the lithium battery pack is conveniently and rapidly cooled, the overheating phenomenon of the lithium battery pack during working is avoided, and the service life of the lithium battery pack is effectively prolonged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a schematic view of a front view structure according to the present invention;
FIG. 2 is a front sectional view of the present invention;
FIG. 3 is a cross-sectional view of a bracket according to the present invention;
fig. 4 is a sectional view of a top cover structure according to the present invention.
Number in the figure: 1. a protective box; 2. a top cover; 3. a bracket; 4. a lithium battery pack; 5. a heat radiation fan; 6. a diversion trench; 7. a stabilizer bar; 8. a plugging plate; 9. a return spring; 10. a limiting plate; 11. positioning the insert block; 12. and a heat dissipation cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example (b): referring to fig. 1-4, the lithium battery pack with adjustable heat dissipation function comprises a protective box 1, a top cover 2 arranged at the top opening of the protective box 1, a bracket 3 arranged in the protective box 1 and a plurality of lithium battery packs 4 arranged on the bracket 3, wherein a ventilation cavity is formed in the top cover 2, mounting ports are formed in two sides of the top surface of the top cover 2, and heat dissipation fans 5 are mounted in the mounting ports; both sides of the bottom surface of the top cover 2 are provided with ventilation openings; two sides inside the ventilation cavity are horizontally and movably provided with plugging plates 8, four corners of the top surface of each plugging plate 8 are vertically and movably penetrated with stabilizer bars 7, and two ends of each stabilizer bar 7 are fixedly connected with the inner wall of the ventilation cavity; a plurality of ventilation holes are uniformly formed in the top surface of the plugging plate 8, support rods are arranged on two sides of the bottom surface of the cooling fan 5, and the bottom ends of the support rods are abutted to the top surface of the plugging plate 8; the stabilizing rod 7 below the blocking plate 8 is movably sleeved with a return spring 9, and when the heat radiation fan 5 is not installed or only one heat radiation fan 5 is installed, the blocking plate 8 is conveniently pushed to seal an installation opening where the heat radiation fan 5 is not installed under the action of the return spring 9, so that sundries are prevented from entering a ventilation cavity; thereby reducing the amount of dust entering the protective box 1; through radiator fan 5 and top cap 2 and bracket 3's cooperation, effectively improved the radiating effect of ventilating to the 1 inside of protective housing, be convenient for play the air supply and air exhaust the effect of going on in step for the discharge efficiency to the 1 inside hot-air of protective housing, and then be convenient for carry out quick heat dissipation cooling to lithium cell group 4, avoid lithium cell group 4 overheat phenomenon to appear at the during operation, and then effectively prolong lithium cell group 4's life.
In the utility model, rectangular strip-shaped guide grooves 6 are vertically formed in the periphery of the inner wall of the protective box 1, so that the outside air can quickly reach the lower part of the protective box 1 through the guide grooves 6; the top surface of the bracket 3 is provided with a rubber pressure pad, so that the top cover 2 can conveniently compress and fix the bracket 3; a heat dissipation cavity 12 is formed in the bracket 3, and a plurality of heat dissipation ports communicated with the heat dissipation cavity 12 are formed in the surface of the bracket 3, so that heat dissipation and ventilation can be conveniently performed on the binding surface of the lithium battery pack 4 and the bracket 3; the ventilation and heat dissipation effects on the lithium battery pack 4 are further improved.
In the utility model, L-shaped limiting plates 10 are fixed on the brackets 3 outside the lithium battery pack 4 through bolts, a plurality of positioning insertion blocks 11 are uniformly and fixedly connected to the bottom surfaces of the brackets 3, and a plurality of positioning grooves are formed in the inner bottom surfaces of the protective boxes 1 in a matched manner with the positioning insertion blocks 11, so that the stability and firmness of the brackets 3 after installation are improved, and the brackets 3 are prevented from moving in the protective boxes 1.
The working principle is as follows: when the lithium battery pack protection device is used, the lithium battery pack 4 is fixed on the bracket 3 through the limiting plate 10, then the bracket 3 is placed in the protection box 1, then the heat dissipation fan 5 is installed on the top cover 2, and the heat dissipation fan 5 is electrically connected with external control equipment through a lead; then, the top cover 2 is covered on the top of the protection box 1 and is fixed through bolts, and then the two cooling fans 5 are controlled through external control equipment to blow air one and exhaust air the other, so that external air can circulate inside the protection box 1 conveniently, the cooling effect of the lithium battery pack 4 during operation is improved, the lithium battery pack 4 is prevented from overheating during operation, and the service life of the lithium battery pack 4 is effectively prolonged;
when the heat radiation fan 5 is not installed or only one heat radiation fan 5 is installed, the plugging plate 8 is conveniently pushed to seal the installation opening without the heat radiation fan 5 under the action of the return spring 9, so that sundries are prevented from entering the ventilation cavity; thereby reducing the amount of dust entering the protective box 1; the heat dissipation cavity 12 arranged in the bracket 3 is convenient for heat dissipation and ventilation of the binding surface of the lithium battery pack 4 and the bracket 3; the ventilation and heat dissipation effects on the lithium battery pack 4 are further improved.
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 considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (5)

1. The utility model provides a lithium cell group of adjustable heat dissipation function, includes protective housing (1), locates top cap (2) that protective housing (1) open-top goes out, locates bracket (3) in protective housing (1) and locates a plurality of lithium cell group (4) on bracket (3), its characterized in that: a ventilation cavity is formed in the top cover (2), mounting openings are formed in two sides of the top surface of the top cover (2), and cooling fans (5) are mounted in the mounting openings; both sides of the bottom surface of the top cover (2) are provided with ventilation openings;
two sides inside the ventilation cavity are horizontally and movably provided with plugging plates (8), four corners of the top surface of each plugging plate (8) are vertically and movably penetrated with stabilizer bars (7), and two ends of each stabilizer bar (7) are fixedly connected with the inner wall of the ventilation cavity; a plurality of ventilation holes are uniformly formed in the top surface of the plugging plate (8), support rods are arranged on two sides of the bottom surface of the cooling fan (5), and the bottom ends of the support rods are abutted to the top surface of the plugging plate (8).
2. The lithium battery pack with the adjustable heat dissipation function according to claim 1, wherein: a return spring (9) is movably sleeved on the stabilizer bar (7) below the plugging plate (8).
3. The lithium battery pack with the adjustable heat dissipation function according to claim 1, wherein: rectangular strip-shaped diversion trenches (6) are vertically formed in the periphery of the inner wall of the protection box (1); the top surface of the bracket (3) is provided with a rubber pressure pad.
4. The lithium battery pack with the adjustable heat dissipation function according to claim 1, wherein: all be fixed with limiting plate (10) of L form through the bolt on bracket (3) in the lithium cell group (4) outside, the even rigid coupling in bottom surface of bracket (3) has a plurality of location inserted blocks (11), a plurality of constant head tanks have been seted up in interior bottom surface cooperation location inserted block (11) of protective housing (1).
5. The lithium battery pack with the adjustable heat dissipation function according to claim 1, wherein: the heat dissipation device is characterized in that a heat dissipation cavity (12) is formed in the bracket (3), and a plurality of heat dissipation ports communicated with the heat dissipation cavity (12) are formed in the surface of the bracket (3).
CN202122219727.7U 2021-09-14 2021-09-14 Lithium battery pack with adjustable heat dissipation function Active CN215933660U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122219727.7U CN215933660U (en) 2021-09-14 2021-09-14 Lithium battery pack with adjustable heat dissipation function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122219727.7U CN215933660U (en) 2021-09-14 2021-09-14 Lithium battery pack with adjustable heat dissipation function

Publications (1)

Publication Number Publication Date
CN215933660U true CN215933660U (en) 2022-03-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115377594A (en) * 2022-10-25 2022-11-22 南京莱迪新能源科技有限公司 Lithium battery mobile power supply PCB protection heat dissipation assembly and driving and controlling method
CN116505174A (en) * 2023-06-25 2023-07-28 深圳市沃品科技有限公司 Lithium battery pack capable of being monitored on line

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115377594A (en) * 2022-10-25 2022-11-22 南京莱迪新能源科技有限公司 Lithium battery mobile power supply PCB protection heat dissipation assembly and driving and controlling method
CN115377594B (en) * 2022-10-25 2022-12-23 南京莱迪新能源科技有限公司 Lithium battery mobile power supply PCB protection heat dissipation assembly and driving and controlling method
CN116505174A (en) * 2023-06-25 2023-07-28 深圳市沃品科技有限公司 Lithium battery pack capable of being monitored on line
CN116505174B (en) * 2023-06-25 2023-11-14 深圳市沃品科技有限公司 Lithium battery pack capable of being monitored on line

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