CN217158337U - High-low temperature compatible battery - Google Patents

High-low temperature compatible battery Download PDF

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Publication number
CN217158337U
CN217158337U CN202220830999.2U CN202220830999U CN217158337U CN 217158337 U CN217158337 U CN 217158337U CN 202220830999 U CN202220830999 U CN 202220830999U CN 217158337 U CN217158337 U CN 217158337U
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Prior art keywords
piston
groove
shell
heat
low temperature
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CN202220830999.2U
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Chinese (zh)
Inventor
管耀新
覃小梅
何飞
夏富强
丁文杰
赖文龙
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Meizhou Bofuneng Technology Co ltd
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Meizhou Bofuneng 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 compatible battery of high low temperature, which comprises an outer shell, the lithium cell is installed to the inside equidistance of shell, keep apart through the baffle between the lithium cell, wherein, the case lid is installed to the top of shell, the heat insulating board is installed with the outside of case lid to the shell, the piston pipe is installed to the case lid inboard, the radiating groove has been seted up in the outside that the case lid corresponds the piston pipe tip. The utility model discloses, in group battery charge-discharge process, the production of heat, when making the temperature rise in the shell, the intraductal air of piston takes place the expend with heat, make the air promote both sides piston and keep away from each other, the piston promotes the sealing plug through the piston rod and leaves the radiating groove, open the radiating groove, heat effluvium in with the shell through the radiating groove, after the temperature decline, the intraductal air of piston takes place the shrinkage, make the piston be close to each other, and drive the sealing plug and get into the radiating groove in, through the automatic heat dissipation mechanism that sets up, can dispel the heat to it automatically when the lithium cell heat is too high.

Description

High-low temperature compatible battery
Technical Field
The utility model relates to a lithium cell technical field specifically is a compatible battery of high low temperature.
Background
The high-low temperature lithium battery is a special battery which is specially developed aiming at the inherent temperature defect of the performance of a chemical power supply, and can effectively improve the high-low temperature resistance of the battery.
Although the types and the number of the existing high-low temperature compatible batteries are very large, the existing high-low temperature compatible batteries still have certain problems, and certain inconvenience is brought to the use of the high-low temperature compatible batteries.
When the existing high-low temperature compatible battery is used, in order to reduce the influence of the external temperature on the battery, a heat insulation layer needs to be arranged on the outer side of the battery pack, but in the charging and discharging process of the battery pack, the battery can generate a large amount of heat, and the existing high-low temperature compatible battery pack cannot discharge the heat when the temperature rises and is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compatible battery of high low temperature has solved current compatible battery of high low temperature when using, in order to reduce the influence that ambient temperature caused the battery, need set up the insulating layer in the outside of group battery, nevertheless at group battery charge-discharge in-process, battery itself can produce a large amount of heats, and current compatible group battery of high low temperature can't be discharged the heat when the temperature rises, the problem of inconvenient use.
In order to achieve the above object, the utility model provides a following technical scheme: a high-low temperature compatible battery comprises a shell, lithium batteries are equidistantly arranged in the shell and are isolated by a partition plate, wherein,
a box cover is arranged above the shell, a heat insulation plate is arranged on the outer sides of the shell and the box cover, a piston pipe is arranged on the inner side of the box cover, a heat dissipation groove is formed in the outer side of the box cover corresponding to the end part of the piston pipe, and a sealing plug is arranged in the heat dissipation groove;
piston rod grooves are formed in two ends of the piston pipe, a piston rod penetrates through the piston rod grooves, a piston is fixed to the end portion, located in the piston pipe, of the piston rod, and one end, far away from the piston, of the piston rod is in threaded connection with the sealing plug.
Preferably, the heat insulation plate is made of a glass fiber material, and the heat insulation plate is fixed on the outer sides of the outer shell and the box cover by gluing.
Preferably, the middle part of the piston pipe is provided with an air vent, and the inner side of the air vent is in threaded connection with a sealing cover.
Preferably, the heat dissipation groove and the sealing plug are T-shaped.
Preferably, the mounting bracket is installed to the inside both sides of case lid, the mounting groove has been seted up to the bottom of mounting bracket, one side that the piston tube corresponds the mounting groove is fixed with the installation pole, the draw-in groove has been seted up to the both sides that the installation pole is located the mounting groove, the inner wall that the mounting groove corresponds the draw-in groove is fixed with the fixture block.
Preferably, the section of the clamping block is an arc-shaped elastic sheet, and the clamping block and the clamping groove form a clamping structure.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses, in group battery charge-discharge process, the production of heat, when making the temperature rise in the shell, the intraductal air of piston takes place the expend with heat, make the air promote both sides piston and keep away from each other, the piston promotes the sealing plug through the piston rod and leaves the radiating groove, open the radiating groove, heat effluvium in with the shell through the radiating groove, after the temperature decline, the intraductal air of piston takes place the shrinkage, make the piston be close to each other, and drive the sealing plug and get into the radiating groove in, through the automatic heat dissipation mechanism that sets up, can dispel the heat to it automatically when the lithium cell heat is too high.
2. The utility model discloses, when installing the piston pipe, open the blow vent, make in the piston rod retraction piston pipe, piston pipe installation is accomplished the back, takes the piston rod out, makes the piston rod be connected with the sealing plug through threaded connection's mode, can make the piston pipe when the installation through the blow vent, and the piston can freely move, and after the installation was accomplished, sealed the blow vent through sealed lid.
3. The utility model discloses, during the installation piston pipe, make the piston pipe drive the installation pole and get into the mounting groove in, the installation pole supports the fixture block, makes fixture block compression deformation, gets into the inside back of mounting groove completely when the installation pole, the fixture block just aligns with the draw-in groove, makes the fixture block resume the shape and supports the draw-in groove, avoids the installation pole to shift out the mounting groove easily, is convenient for install the piston pipe.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the bottom structure of the case cover of the present invention;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;
fig. 5 is a schematic view of a part of the enlarged structure at B in fig. 2 according to the present invention.
In the figure: 1. a housing; 2. a lithium battery; 3. a partition plate; 4. a box cover; 5. a heat insulation plate; 6. a piston tube; 601. a vent; 602. a sealing cover; 7. a heat sink; 8. a sealing plug; 9. a piston rod groove; 10. a piston rod; 11. a piston; 12. a mounting frame; 13. mounting grooves; 14. mounting a rod; 15. a card slot; 16. and (7) clamping blocks.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope 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.
Example (b):
referring to fig. 1 to 5, the present invention provides a technical solution: a high and low temperature compatible battery comprises a shell 1, lithium batteries 2 are equidistantly arranged in the shell 1, the lithium batteries 2 are separated by a partition plate 3, wherein,
a box cover 4 is arranged above the shell 1, a heat insulation plate 5 is arranged on the outer sides of the shell 1 and the box cover 4, a piston tube 6 is arranged on the inner side of the box cover 4, a heat dissipation groove 7 is formed in the outer side of the box cover 4 corresponding to the end part of the piston tube 6, and a sealing plug 8 is arranged in the heat dissipation groove 7;
a piston rod groove 9 is formed in each of two ends of the piston tube 6, a piston rod 10 penetrates through the piston rod groove 9, a piston 11 is fixed at the end part, located in the piston tube 6, of the piston rod 10, and one end, far away from the piston 11, of the piston rod 10 is in threaded connection with the sealing plug 8;
in the battery pack charging and discharging process, the heat is generated, when the temperature in the shell 1 rises, the air in the piston tube 6 expands due to heat, the air pushes the pistons 11 on the two sides to be away from each other, the piston 11 pushes the sealing plug 8 to leave the radiating groove 7 through the piston rod 10, the radiating groove 7 is opened, the heat in the shell 1 is dissipated through the radiating groove 7, after the temperature drops, the air in the piston tube 6 contracts due to cold, the piston 11 is made to be close to each other, the sealing plug 8 is driven to enter the radiating groove 7, and through the automatic heat dissipation mechanism, the heat can be automatically dissipated when the heat of the lithium battery 2 is too high.
Referring to fig. 1 to 4, the heat insulation board 5 is made of a glass fiber material, the heat insulation board 5 is fixed on the outer sides of the housing 1 and the case cover 4 by gluing, the battery pack is isolated from the external temperature by the heat insulation board 5, the influence of the external temperature on the battery pack can be effectively reduced, so as to improve the high and low temperature resistance of the lithium battery pack, the middle part of the piston tube 6 is provided with a vent 601, the inner side of the vent 601 is in threaded connection with a sealing cover 602, when the piston tube 6 is installed, the vent 601 is opened, the piston rod 10 is retracted into the piston tube 6, after the piston tube 6 is installed, the piston rod 10 is pulled out, the piston rod 10 is connected with the sealing plug 8 in a threaded connection manner, when the piston tube 6 is installed, the piston 11 can freely move, and after the installation is completed, the vent 601 is sealed by the sealing cover 602.
Referring to fig. 1 to 5, the heat dissipating groove 7 and the sealing plug 8 are T-shaped, the case cover 4 is provided at two sides thereof with mounting brackets 12, the bottom of the mounting bracket 12 is provided with a mounting groove 13, one side of the piston tube 6 corresponding to the mounting groove 13 is fixed with a mounting rod 14, the mounting rod 14 is provided at two sides thereof located in the mounting groove 13 with clamping grooves 15, the mounting groove 13 is fixed with a clamping block 16 corresponding to the inner wall of the clamping groove 15, the clamping block 16 has an arc-shaped section, and the fixture block 16 and the clamping groove 15 form a clamping structure, when the piston tube 6 is installed, the piston tube 6 drives the installation rod 14 to enter the installation groove 13, the installation rod 14 props against the fixture block 16, the fixture block 16 is compressed and deformed, after the installation rod 14 completely enters the installation groove 13, the fixture block 16 is exactly aligned with the clamping groove 15, so that the fixture block 16 is restored to be in the shape to abut against the clamping groove 15, the installation rod 14 is prevented from being easily moved out of the installation groove 13, and the piston tube 6 is convenient to install.
The working principle is as follows: the high-low temperature compatible battery generates heat in the charging and discharging process of a battery pack, when the temperature in a shell 1 rises, the air in a piston tube 6 expands due to heat, the air pushes pistons 11 at two sides to be away from each other, the pistons 11 push a sealing plug 8 to leave a radiating groove 7 through a piston rod 10, the radiating groove 7 is opened, the heat in the shell 1 is radiated through the radiating groove 7, when the temperature drops, the air in the piston tube 6 contracts due to cold, the pistons 11 approach each other and drive the sealing plug 8 to enter the radiating groove 7, through an automatic radiating mechanism, the lithium battery 2 can be automatically radiated when the heat is overhigh, when the piston tube 6 is installed, the piston tube 6 drives an installation rod 14 to enter an installation groove 13, the installation rod 14 supports against a clamping block 16, the clamping block 16 is compressed and deformed, when the installation rod 14 completely enters the installation groove 13, the clamping block 16 is exactly aligned with a clamping groove 15, the shape of the clamping block 16 is restored to abut against the clamping groove 15, so that the installation rod 14 is prevented from being easily moved out of the installation groove 13, and the piston tube 6 is convenient to install.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A high and low temperature compatible battery comprising a housing (1), characterized in that: lithium batteries (2) are equidistantly arranged in the shell (1), the lithium batteries (2) are isolated by a partition plate (3), wherein,
a box cover (4) is installed above the shell (1), a heat insulation plate (5) is installed on the outer sides of the shell (1) and the box cover (4), a piston pipe (6) is installed on the inner side of the box cover (4), a heat dissipation groove (7) is formed in the outer side, corresponding to the end portion of the piston pipe (6), of the box cover (4), and a sealing plug (8) is arranged in the heat dissipation groove (7);
piston rod groove (9) have been seted up at the both ends of piston pipe (6), piston rod (10) have been run through to the inside in piston rod groove (9), the end fixing that piston rod (10) are located piston pipe (6) has piston (11), the one end and sealing plug (8) threaded connection that piston rod (10) kept away from piston (11).
2. The high and low temperature compatible battery according to claim 1, characterized in that: the heat insulation plate (5) is made of glass fiber materials, and the heat insulation plate (5) is fixed on the outer sides of the shell (1) and the box cover (4) through gluing.
3. The high and low temperature compatible battery according to claim 1, characterized in that: an air vent (601) is formed in the middle of the piston pipe (6), and a sealing cover (602) is connected to the inner side of the air vent (601) in a threaded mode.
4. The high and low temperature compatible battery according to claim 1, characterized in that: the heat dissipation groove (7) and the sealing plug (8) are T-shaped.
5. The high and low temperature compatible battery according to claim 1, characterized in that: mounting bracket (12) are installed to the inside both sides of case lid (4), mounting groove (13) have been seted up to the bottom of mounting bracket (12), one side that piston tube (6) corresponds mounting groove (13) is fixed with installation pole (14), draw-in groove (15) have been seted up to both sides that installation pole (14) are located mounting groove (13), the inner wall that mounting groove (13) correspond draw-in groove (15) is fixed with fixture block (16).
6. The high and low temperature compatible battery according to claim 5, wherein: the section of the clamping block (16) is an arc-shaped elastic sheet, and the clamping block (16) and the clamping groove (15) form a clamping structure.
CN202220830999.2U 2022-04-12 2022-04-12 High-low temperature compatible battery Active CN217158337U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220830999.2U CN217158337U (en) 2022-04-12 2022-04-12 High-low temperature compatible battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220830999.2U CN217158337U (en) 2022-04-12 2022-04-12 High-low temperature compatible battery

Publications (1)

Publication Number Publication Date
CN217158337U true CN217158337U (en) 2022-08-09

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Application Number Title Priority Date Filing Date
CN202220830999.2U Active CN217158337U (en) 2022-04-12 2022-04-12 High-low temperature compatible battery

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CN (1) CN217158337U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115332698A (en) * 2022-08-15 2022-11-11 东莞市博森新能源有限公司 Safety protection type lithium battery and manufacturing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115332698A (en) * 2022-08-15 2022-11-11 东莞市博森新能源有限公司 Safety protection type lithium battery and manufacturing method thereof
CN115332698B (en) * 2022-08-15 2023-09-29 东莞市博森新能源有限公司 Safety protection type lithium battery and manufacturing method thereof

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