CN218939805U - Lithium battery pack with explosion-proof protection structure - Google Patents

Lithium battery pack with explosion-proof protection structure Download PDF

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Publication number
CN218939805U
CN218939805U CN202223283963.6U CN202223283963U CN218939805U CN 218939805 U CN218939805 U CN 218939805U CN 202223283963 U CN202223283963 U CN 202223283963U CN 218939805 U CN218939805 U CN 218939805U
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inner shell
lithium battery
explosion
wall
battery pack
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CN202223283963.6U
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叶鹏
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Dongguan Bobesi New Energy Technology Co ltd
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Dongguan Bobesi 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 explosion-proof protection structure, and relates to the technical field of lithium batteries. The lithium battery cooling device comprises an inner shell and a plurality of fixing plates, wherein the bottoms and one sides of the fixing plates are fixedly connected with the inner wall of the inner shell, two adjacent fixing plates are arranged in a staggered mode, lithium batteries are symmetrically arranged on two sides of the fixing plates, an air inlet is formed in one end of the inner wall of the inner shell, an air outlet is formed in the other end of the inner wall of the inner shell, two ends of the inner wall of the inner shell are respectively provided with a cooling fan, and one sides of the air inlet and one side of the air outlet are respectively provided with a cooling fan. According to the utility model, through the structural design that the fixing plate and the inner shell are integrated, the fixing plate is used for guiding heat generated by the lithium batteries to the inner shell to radiate the heat of the lithium batteries, and through the staggered arrangement of the two adjacent fixing plates, the air flow can flow in an S-shaped curve, and the heat generated by the lithium batteries is discharged out of the inner shell through the air outlet, so that one side of each lithium battery is radiated, and the radiating effect is improved.

Description

Lithium battery pack with explosion-proof protection structure
Technical Field
The utility model belongs to the technical field of lithium batteries, and particularly relates to a lithium battery pack with an explosion-proof protection structure.
Background
Lithium batteries are batteries using a nonaqueous electrolyte solution and made of lithium metal or lithium alloy as a positive/negative electrode material, and are generally used in groups when used because the capacity and voltage are factory-set during production to meet the required voltage and capacity, and the lithium metal has very high environmental requirements due to the extremely active chemical properties of the lithium metal, so that the lithium battery pack needs to have explosion-proof properties such as impact resistance and high heat dissipation capability when assembled.
The utility model provides a lithium cell group with explosion-proof protection architecture, including controlling the connecting plate that sets up, be provided with a plurality of lithium ion battery monolithic and protection shield between two connecting plates, be provided with a lithium ion battery monolithic between the adjacent protection shield, the protection shield includes bakelite plate and symmetry setting in the heat conduction explosion-proof insulating piece of bakelite plate both sides, a plurality of through-hole one has been seted up on the bakelite plate, the upper end of connecting plate is provided with the otic placode, the lower extreme is provided with the otic placode, it is provided with the casing to go up the otic placode upper end, the otic placode lower extreme is provided with the casing down, link together through stainless steel connecting piece between two connecting plates, stainless steel connecting piece runs through connecting plate and a plurality of protection shield simultaneously, lithium cell group light in weight with explosion-proof protection architecture, fire behavior is good, the heat dissipation is fast, the explosion-proof is high, shock resistance is high.
In summary, it can be seen that the above-mentioned lithium battery pack with an explosion-proof protection structure has the following technical problems: when in use, the lithium ion battery single chip can be cooled by the heat conduction explosion-proof insulating sheet, the heat dissipation effect is poor, the overheat condition is easy to occur, and the service life of the battery is reduced.
Disclosure of Invention
The utility model aims to provide a lithium battery pack with an explosion-proof protection structure, which solves the existing problems: the existing lithium battery pack with the explosion-proof protection structure can only rely on the heat conduction explosion-proof insulating sheet to radiate the lithium ion battery single chip when in use, the radiating effect is poor, the overheat condition is easy to occur, and the service life of the battery is reduced.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model provides a lithium battery pack with explosion-proof protection architecture, includes interior casing and a plurality of fixed plate, the bottom and the one side of fixed plate and the inner wall fixed connection of interior casing, and two adjacent fixed plates staggered arrangement, the bilateral symmetry of fixed plate is provided with the lithium cell, the air inlet has been seted up to the one end of interior shells inner wall, the gas outlet has been seted up to the other end of interior shells inner wall, the both ends of interior shells inner wall, and be located one side of air inlet and gas outlet all are provided with radiator fan.
Preferably, both sides of the fixing plate are symmetrically and fixedly connected with fixing grooves, and the lithium battery is inserted into the fixing grooves.
Preferably, a controller and a temperature sensor are fixedly connected to one end of the inner wall of the inner shell and above the cooling fan, and the controller, the cooling fan and the temperature sensor are electrically connected.
Preferably, the side and the bottom of inner shell are fixed with the blotter, the side and the bottom of blotter are fixed with the shell, and the side and the bottom of blotter and shell are hollow structure, the both sides of shell just are located the top symmetry fixedly connected with handle of inner shell.
Preferably, the device further comprises a cover plate, four clamping blocks are symmetrically and fixedly connected to two sides of the cover plate, four clamping grooves are symmetrically formed in the tops of two sides of the inner wall of the inner shell, the clamping blocks are slidably connected to the inside of the clamping grooves, and one end of the inside of the cover plate is symmetrically and spirally connected with a threaded limiting pin.
Preferably, the bottom of the fixed slot is provided with an elastic sheet and a supporting base plate, the elastic sheet is positioned at the bottom of the lithium battery, and the elastic sheet is positioned below the supporting base plate.
It can be clearly seen that the technical problems to be solved by the present application must be solved by the above-mentioned technical solutions of the present application.
Meanwhile, through the technical scheme, the utility model has at least the following beneficial effects:
(1) According to the utility model, through the structural design that the fixing plate and the inner shell are integrated, the fixing plate is used for guiding heat generated by the lithium batteries to the inner shell to radiate the heat of the lithium batteries, and through the staggered arrangement of the two adjacent fixing plates, the air flow can flow in an S-shaped curve, and the heat generated by the lithium batteries is discharged out of the inner shell through the air outlet, so that one side of each lithium battery is radiated, and the radiating effect is improved.
(2) According to the utility model, the temperature of the air flow in the inner shell is detected through the temperature sensor, temperature information is fed back to the controller, and the rotation speed of the cooling fan is controlled by the controller, so that noise is reduced during low load, and the use experience of the device is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the cushion of the present utility model;
FIG. 3 is a schematic view of the inner housing of the present utility model;
FIG. 4 is a schematic view showing the arrangement of the fixing plates inside the inner housing according to the present utility model;
FIG. 5 is a schematic view of the structure of the latch and the latch groove according to the present utility model;
fig. 6 is a schematic structural diagram of the spring plate of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. an inner housing; 2. a cushion pad; 3. an outer housing; 4. an air inlet; 5. a support backing plate; 6. a handle; 7. an air outlet; 8. a cover plate; 9. a threaded limiting pin; 10. a spring plate; 11. a controller; 12. a temperature sensor; 13. a heat radiation fan; 14. a lithium battery; 15. a fixing plate; 16. a fixing groove; 17. a clamping groove; 18. and (5) clamping blocks.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 6, the present utility model is used to disclose a lithium battery pack having an explosion-proof protection structure.
Please refer to fig. 1-4:
the lithium battery cooling device comprises an inner shell 1 and a plurality of fixing plates 15, wherein the bottom and one side of each fixing plate 15 are fixedly connected with the inner wall of the inner shell 1, the two adjacent fixing plates 15 are staggered, lithium batteries 14 are symmetrically arranged on two sides of each fixing plate 15, the fixing plates 15 and the inner shell 1 are of an integrated structural design, the fixing plates 15 are used for guiding heat generated by the lithium batteries 14 to the inner shell 1 to cool the lithium batteries 14, fixing grooves 16 are symmetrically and fixedly connected on two sides of each fixing plate 15, the lithium batteries 14 are fixed on two sides of the fixing plates 15 through being inserted into the fixing grooves 16, and when cooling the lithium batteries 14, airflow can flow in an S-shaped curve, so that one side of each lithium battery 14 is cooled, the cooling effect is improved, an air inlet 4 is formed in one end of the inner wall of the inner shell 1, 7 is formed in the other end of the inner wall of the inner shell 1, and fans 13 are arranged on two ends of the inner wall of the inner shell 1 and one side of the air inlet 4 and the air outlet 7;
as can be seen from the above structural design, the heat dissipation fan 13 is used for sucking air through the air inlet 4, and the fixing plate 15 makes the lithium batteries 14 staggered, so that the air flow can flow in an S-shaped curve, and the heat generated by the lithium batteries 14 is discharged out of the inner housing 1 through the air outlet 7, so that heat dissipation is performed on one side of each lithium battery 14, and the heat dissipation effect is increased;
a controller 11 and a temperature sensor 12 are fixedly connected to one end of the inner wall of the inner shell 1 and above the cooling fan 13, the model of the controller 11 is SC200, and the controller 11, the cooling fan 13 and the temperature sensor 12 are electrically connected;
according to the structural design, the temperature sensor 12 detects the temperature of the air flow in the inner shell 1, temperature information is fed back to the controller 11, and the controller 11 controls the rotating speed of the cooling fan 13, so that noise is reduced during low load, and the use experience of the device is improved;
the side and the bottom of interior casing 1 are fixed with blotter 2, and the material of blotter 2 is silica gel for provide the buffering to interior casing 1, reduce the probability that interior casing 1 takes place to warp when receiving the impact, the side and the bottom of blotter 2 are fixed with shell body 3, and the side and the bottom of blotter 2 and shell body 3 are the structure of fretwork, and the heat of interior casing 1 outwards gives off of being convenient for through the structural design of fretwork, the both sides of shell body 3 just are located the top symmetry fixedly connected with handle 6 of interior casing 1.
See fig. 5-6:
the lithium battery cell structure comprises an inner shell 1, and is characterized by further comprising a cover plate 8, wherein four clamping blocks 18 are symmetrically and fixedly connected to two sides of the cover plate 8, four clamping grooves 17 are symmetrically formed in the tops of two sides of the inner wall of the inner shell 1, the clamping blocks 18 are slidably connected to the inside of the clamping grooves 17, one end of the inside of the cover plate 8 is symmetrically and spirally connected with a threaded limiting pin 9, an elastic sheet 10 and a supporting base plate 5 are arranged at the bottom of the fixing groove 16, the elastic sheet 10 is positioned at the bottom of the lithium battery 14, the elastic sheet 10 is positioned below the supporting base plate 5, the supporting base plate 5 is used for enabling stress of the lithium battery 14 to be more uniform, and the elastic sheet 10 is used for providing upward elastic force for the supporting base plate 5 and the lithium battery 14;
according to the structural design, when the lithium battery 14 is inserted into the fixing groove 16, the clamping block 18 on the cover plate 8 is aligned with the clamping groove 17, the cover plate 8 is pressed downwards, the lithium battery 14 is pressed downwards by the cover plate 8, the elastic sheet 10 is pressed downwards by the lithium battery 14 through the supporting base plate 5, the elastic sheet 10 is elastically deformed, the cover plate 8 is pushed in the direction away from the threaded limiting pin 9, the clamping block 18 is clamped in the clamping groove 17, the threaded limiting pin 9 is screwed, the threaded limiting pin 9 is clamped in the inner shell 1, the cover plate 8 is prevented from reversing, the lithium battery 14 is fixed in the inner shell 1, and the lithium battery 14 is maintained and replaced by reverse operation.
From the above, it can be seen that:
the utility model aims at the technical problems that: when the existing lithium battery pack with the explosion-proof protection structure is used, the heat dissipation of the lithium ion battery single chip can be carried out only by virtue of the heat conduction explosion-proof insulating sheet, the heat dissipation effect is poor, the overheat condition is easy to occur, and the service life of the battery is reduced; the technical scheme of each embodiment is adopted. Meanwhile, the implementation process of the technical scheme is as follows:
when the lithium battery 14 is used, the lithium battery 14 is inserted into the fixing groove 16, the clamping block 18 on the cover plate 8 is aligned with the clamping groove 17, the cover plate 8 is pressed downwards, the lithium battery 14 is pressed downwards by the cover plate 8, the elastic sheet 10 is pressed downwards by the support base plate 5, the elastic sheet 10 is elastically deformed, the cover plate 8 is pushed away from the threaded limiting pin 9, the clamping block 18 is clamped in the clamping groove 17, the threaded limiting pin 9 is screwed, the threaded limiting pin 9 is clamped in the inner shell 1, the cover plate 8 is prevented from backing, and the lithium battery 14 is fixed in the inner shell 1;
the heat dissipation fan 13 is used for sucking air through the air inlet 4, the lithium batteries 14 are staggered through the fixing plate 15, so that air flow can flow in an S-shaped curve, heat generated by the lithium batteries 14 is discharged out of the inner shell 1 through the air outlet 7, one side of each lithium battery 14 is dissipated, the heat dissipation effect is improved, the temperature of the air flow in the inner shell 1 is detected through the temperature sensor 12, temperature information is fed back to the controller 11, the rotating speed of the heat dissipation fan 13 is controlled by the controller 11, noise is reduced during low load, and the use experience of the device is improved;
through above-mentioned setting, this application must solve above-mentioned technical problem, simultaneously, realizes following technical effect:
through the structural design that the fixing plate 15 and the inner shell 1 are integrated, the fixing plate 15 is used for guiding heat generated by the lithium batteries 14 to the inner shell 1 to radiate the lithium batteries 14, the adjacent two fixing plates 15 are arranged in a staggered way, so that air flow can flow in an S-shaped curve, the heat generated by the lithium batteries 14 is discharged out of the inner shell 1 through the air outlet 7, and therefore one side of each lithium battery 14 is radiated, and the radiating effect is improved;
the temperature sensor 12 detects the temperature of the air flow in the inner shell 1, temperature information is fed back to the controller 11, and the controller 11 controls the rotating speed of the cooling fan 13, so that noise is reduced during low load, and the use experience of the device is improved.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form 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 utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. Lithium battery pack with explosion-proof protection architecture, a serial communication port, including inner shell body (1) and a plurality of fixed plate (15), the bottom and the one side of fixed plate (15) are with the inner wall fixed connection of inner shell body (1), and adjacent two fixed plate (15) staggered arrangement, the both sides symmetry of fixed plate (15) is provided with lithium cell (14), air inlet (4) have been seted up to the one end of inner shell body (1) inner wall, gas outlet (7) have been seted up to the other end of inner shell body (1) inner wall, the both ends of inner shell body (1) inner wall, and be located one side of air inlet (4) and gas outlet (7) all are provided with radiator fan (13).
2. The lithium battery pack with the explosion-proof protection structure according to claim 1, wherein the two sides of the fixing plate (15) are symmetrically and fixedly connected with fixing grooves (16), and the lithium battery (14) is inserted into the fixing grooves (16).
3. The lithium battery pack with the explosion-proof protection structure according to claim 2, wherein a controller (11) and a temperature sensor (12) are fixedly connected to one end of the inner wall of the inner shell (1) and above the cooling fan (13), and the controller (11), the cooling fan (13) and the temperature sensor (12) are electrically connected.
4. The lithium battery pack with the explosion-proof protection structure according to claim 3, wherein the side face and the bottom of the inner shell (1) are fixed with a cushion pad (2), the side face and the bottom of the cushion pad (2) are fixed with an outer shell (3), the side face and the bottom of the cushion pad (2) and the outer shell (3) are hollow structures, and handles (6) are symmetrically and fixedly connected to the two sides of the outer shell (3) and above the inner shell (1).
5. The lithium battery pack with the explosion-proof protection structure according to claim 1, further comprising a cover plate (8), wherein four clamping blocks (18) are symmetrically and fixedly connected to two sides of the cover plate (8), four clamping grooves (17) are symmetrically formed in the tops of two sides of the inner wall of the inner shell (1), the clamping blocks (18) are slidably connected to the inside of the clamping grooves (17), and one end of the inside of the cover plate (8) is symmetrically and spirally connected with a threaded limiting pin (9).
6. The lithium battery pack with the explosion-proof protection structure according to claim 2, wherein an elastic sheet (10) and a supporting base plate (5) are arranged at the bottom of the fixing groove (16), the elastic sheet (10) is positioned at the bottom of the lithium battery (14), and the elastic sheet (10) is positioned below the supporting base plate (5).
CN202223283963.6U 2022-12-08 2022-12-08 Lithium battery pack with explosion-proof protection structure Active CN218939805U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223283963.6U CN218939805U (en) 2022-12-08 2022-12-08 Lithium battery pack with explosion-proof protection structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223283963.6U CN218939805U (en) 2022-12-08 2022-12-08 Lithium battery pack with explosion-proof protection structure

Publications (1)

Publication Number Publication Date
CN218939805U true CN218939805U (en) 2023-04-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223283963.6U Active CN218939805U (en) 2022-12-08 2022-12-08 Lithium battery pack with explosion-proof protection structure

Country Status (1)

Country Link
CN (1) CN218939805U (en)

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