CN220209184U - Heating structure of lithium ion battery - Google Patents
Heating structure of lithium ion battery Download PDFInfo
- Publication number
- CN220209184U CN220209184U CN202321257375.7U CN202321257375U CN220209184U CN 220209184 U CN220209184 U CN 220209184U CN 202321257375 U CN202321257375 U CN 202321257375U CN 220209184 U CN220209184 U CN 220209184U
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- fixedly connected
- heat
- heating
- Prior art date
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 75
- 238000010438 heat treatment Methods 0.000 title claims abstract description 68
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 230000009471 action Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 11
- 238000009414 blockwork Methods 0.000 abstract 1
- 230000003139 buffering effect Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Secondary Cells (AREA)
Abstract
The utility model discloses a heating structure of a lithium ion battery, which relates to the technical field of lithium ion batteries and comprises a protective shell, wherein a lithium ion battery body is arranged in the protective shell, and the upper surface of the protective shell is fixedly connected with a heating mechanism. According to the utility model, through the mutual matching of the mounting plate, the heating block, the connector, the heat conducting strip, the heat spreader and the heat collection chamber, when the lithium ion battery is required to be heated, the electric wire is fixedly connected with the connector for electrifying, so that the heating block works and generates heat, heat is transferred through the action of the heat conducting strip after the heat is generated, the heat enters the heat collection chamber through the action of the heat spreader, and is discharged into the protective shell for heating through the action of the heat collection chamber, the problem that the discharge capacity of the lithium ion battery is poor under the low-temperature condition is solved, and the effect of prolonging the service life in the environment with better heating effect and better air temperature difference is achieved.
Description
Technical Field
The utility model relates to the technical field of lithium ion batteries, in particular to a heating structure of a lithium ion battery.
Background
The lithium ion battery has the characteristics of high energy density, no memory, long cycle life and the like, and is widely used in the fields of electronic products, electric automobiles and the like. The lithium ion battery has the problems of capacity reduction, serious attenuation, poor cycle rate performance and the like when being used in a low-temperature environment due to the increase of the viscosity of electrolyte and the like in the low-temperature environment, so that the discharge capacity of the lithium ion battery is poor in the low-temperature environment, the conventional lithium ion battery has the problem of poor service performance in the low-temperature environment, and the service performance of the lithium ion battery in the low-temperature environment is improved by using a heating structure.
According to patent publication No. CN217062282U, a heating structure of a lithium ion battery is disclosed, comprising: the lithium ion battery cell module comprises a shell, a plurality of lithium ion battery cell modules and a plurality of heating plates, wherein a heating plate is stuck between every two lithium ion battery cell modules, and the lithium ion battery cell modules and the heating plates are accommodated in the shell; according to the utility model, the heating plate is adhered between every two lithium ion battery core modules, so that when the lithium ion battery is used under a low temperature condition, the heating plate can work to heat the lithium ion battery core modules, so that the lithium ion battery can be used under the low temperature condition, and the heating plate is in surface contact with the lithium ion battery core modules, so that the heating effect on the lithium ion battery core modules is good, and the service performance of the lithium ion battery under the low temperature condition is improved. The following problems exist in the prior art:
the problem that the service performance of the lithium ion battery is poor and the service life is reduced due to the poor discharging capability of the current lithium ion battery under the low-temperature condition; meanwhile, as the buffer structure is not arranged in the current lithium ion battery, the phenomenon that the lithium ion battery is easy to collide when in use is caused, and therefore the lithium ion battery is damaged.
Disclosure of Invention
The present utility model provides a heating structure of a lithium ion battery to solve the problems set forth in the above-mentioned background art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a heating structure of lithium ion battery, includes the protecting crust, the inside of protecting crust is provided with lithium ion battery body, the last fixed surface of protecting crust is connected with heating mechanism, the collection hot chamber has been seted up at heating mechanism's middle part, heating mechanism's inside fixedly connected with mounting panel, the fixed surface of mounting panel is connected with the heating piece, one side fixedly connected with connector of heating piece, the one end of connector extends to heating mechanism's outside, the surface of connector and heating mechanism's inside fixed connection.
The technical scheme of the utility model is further improved as follows: the other side of the heating block is fixedly connected with a heat conducting strip, and the back surface of the heat conducting strip is fixedly connected with the surface of the mounting plate.
By adopting the technical scheme, the heating block and the heat conducting strip are matched with each other in the scheme, so that heat is transferred.
The technical scheme of the utility model is further improved as follows: one end fixedly connected with heat spreader of heat conduction strip, one side and mounting panel one side fixed connection of heat spreader, the inside fixed connection of surface and heating mechanism of heat spreader, the inside of heat collection room is extended to the one end of heat spreader.
By adopting the technical scheme, the heat is expanded into the heat collection chamber by the action of the heat expander.
The technical scheme of the utility model is further improved as follows: the inside of protecting crust has seted up little spout, the inside fixedly connected with rubber cushion of protecting crust, one side fixedly connected with spring one of rubber cushion, one side fixedly connected with spring two of rubber cushion, the opening has been seted up on the surface of protecting crust.
By adopting the technical scheme, the small sliding groove, the rubber cushion block, the first spring and the second spring are matched with each other, so that the buffer effect is achieved.
The technical scheme of the utility model is further improved as follows: one end of the first spring is fixedly connected with a plate, one end of the second spring is fixedly connected with one side of the plate, and the other side of the plate is fixedly connected with the surface of the lithium ion battery body.
By adopting the technical scheme, the buffer use is convenient due to the arrangement of the plate.
The technical scheme of the utility model is further improved as follows: one side fixedly connected with sponge of plate, one side fixedly connected with rubber slab two of sponge, one side fixedly connected with rubber slab one of rubber slab two, one side of rubber slab one and the fixed surface connection of lithium ion battery body.
By adopting the technical scheme, the sponge has a certain protection function, and the cooperation of the first rubber plate and the second rubber plate has a fixed effect on the lithium ion battery body.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a heating structure of a lithium ion battery, which adopts the mutual matching of a mounting plate, a heating block, a connector, a heat conducting strip, a heat spreader and a heat collection chamber, when the lithium ion battery is required to be heated, the electric wire is fixedly connected with the connector for electrifying, so that the heating work and heat generation are realized, the heat is simultaneously transferred through the action of the heat conducting strip after the heat generation, the heat enters the heat collection chamber through the action of the heat spreader, and is discharged into the inside of a protective shell for heating through the action of the heat collection chamber, the problem that the discharge capacity of the lithium ion battery is poor under the low temperature condition is solved, and the effect of prolonging the service life in the environment with better heating effect and better air temperature difference is achieved.
2. The utility model provides a heating structure of a lithium ion battery, which adopts the mutual matching of a small chute, a rubber cushion block, a first spring, a second spring, a plate and a through hole, when the lithium ion battery shakes, the plate slides in the small chute due to the action of the plate, the first spring is extruded, so that the lithium ion battery body has a buffering function, the problem that the buffer structure is not arranged in the current lithium ion battery is solved, and the effect of buffering and certain protection effect is achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic top view of the heating mechanism of the present utility model;
FIG. 3 is a schematic diagram of a side cross-sectional structure of a protective housing and a lithium ion battery body according to the present utility model;
fig. 4 is a schematic structural diagram of the plate and the lithium ion battery body of the present utility model.
In the figure: 1. a protective shell; 11. a small chute; 12. a rubber cushion block; 13. a first spring; 14. a second spring; 15. a plate; 151. a sponge; 16. a through port; 2. a lithium ion battery body; 21. a first rubber plate; 22. a second rubber plate; 3. a heating mechanism; 31. a mounting plate; 32. a heating block; 33. a connector; 34. a heat conducting strip; 35. a heat spreader; 36. and (5) collecting heat.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-4, the utility model provides a heating structure of a lithium ion battery, which comprises a protective shell 1, wherein a lithium ion battery body 2 is arranged in the protective shell 1, a heating mechanism 3 is fixedly connected to the upper surface of the protective shell 1, a heat collection chamber 36 is arranged in the middle of the heating mechanism 3, a mounting plate 31 is fixedly connected to the inside of the heating mechanism 3, a heating block 32 is fixedly connected to the surface of the mounting plate 31, a connector 33 is fixedly connected to one side of the heating block 32, one end of the connector 33 extends to the outside of the heating mechanism 3, the surface of the connector 33 is fixedly connected with the inside of the heating mechanism 3, a heat conducting strip 34 is fixedly connected to the other side of the heating block 32, the back surface of the heat conducting strip 34 is fixedly connected with the surface of the mounting plate 31, one end of the heat conducting strip 34 is fixedly connected with a heat spreader 35, one side of the heat spreader 35 is fixedly connected with one side of the mounting plate 31, the surface of the heat spreader 35 is fixedly connected with the inside of the heating mechanism 3, and one end of the heat spreader 35 extends to the inside of the heat collection chamber 36.
In this embodiment, when the lithium ion battery body 2 needs to be heated, the electric wire is connected with the connector 33, so that the heating block 32 works and generates heat, meanwhile, the heat is transferred through the action of the heat conducting strip 34, the heat enters the heat collection chamber 36 through the action of the heat spreader 35, the heat is discharged into the protecting shell 1 through the action of the heat collection chamber 36 to heat the lithium ion battery body 2, and the two sides of the heat collection chamber 36 have the same structure.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the small chute 11 is arranged in the protective shell 1, the rubber cushion block 12 is fixedly connected in the protective shell 1, the first spring 13 is fixedly connected to one side of the rubber cushion block 12, the second spring 14 is fixedly connected to one side of the rubber cushion block 12, the through hole 16 is arranged on the surface of the protective shell 1, one end of the first spring 13 is fixedly connected with the plate 15, one end of the second spring 14 is fixedly connected with one side of the plate 15, and the other side of the plate 15 is fixedly connected with the surface of the lithium ion battery body 2.
In this embodiment, when there is shake, the lithium ion battery body 2 extrudes the plate 15 to slide in the interior of the small chute 11, and extrudes the first spring 13, so that the lithium ion battery body 2 has a buffering function, the rubber cushion block 12 has a certain buffering effect, the through hole 16 is arranged conveniently in the lithium ion battery body 2, the heat of the heating mechanism 3 passes through the through hole 16 to the internal effect of the protective shell 1, and the buffering structure has four groups in the protective shell 1.
Example 3
As shown in fig. 1-4, on the basis of embodiment 2, the present utility model provides a technical solution: preferably, a sponge 151 is fixedly connected to one side of the plate 15, a second rubber plate 22 is fixedly connected to one side of the sponge 151, a first rubber plate 21 is fixedly connected to one side of the second rubber plate 22, and one side of the first rubber plate 21 is fixedly connected with the surface of the lithium ion battery body 2.
In this embodiment, the first rubber plate 21 and the second rubber plate 22 have a certain protection effect on the lithium ion battery body 2, and are connected by using strong glue and have a limiting effect on the lithium ion battery body 2, so as to prevent the lithium ion battery body 2 from separating from the inside of the protective shell 1, while the first rubber plate 21 and the lithium ion battery body 2 are connected by using strong glue, and the two sides of the sponge 151 are also connected by using strong glue.
The working principle of the heating structure of the lithium ion battery is specifically described below.
As shown in fig. 1 to 4, when the lithium ion battery body 2 needs to be heated, the heating block 32 works and generates heat, meanwhile, the heat enters the heat collection chamber 36 through the functions of the heat conducting strip 34 and the heat spreader 35, meanwhile, the heat enters the interior of the protective shell 1 through the function of the through hole 16 to heat the lithium ion battery body 2, and when shaking occurs, the lithium ion battery body 2 extrudes the plate 15 and the first spring 13, so that the lithium ion battery body 2 has a buffering function.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a heating structure of lithium ion battery, includes protective housing (1), its characterized in that: the lithium ion battery is characterized in that the lithium ion battery body (2) is arranged in the protecting shell (1), the heating mechanism (3) is fixedly connected to the upper surface of the protecting shell (1), the heat collection chamber (36) is formed in the middle of the heating mechanism (3), the mounting plate (31) is fixedly connected to the inside of the heating mechanism (3), the heating block (32) is fixedly connected to the surface of the mounting plate (31), the connector (33) is fixedly connected to one side of the heating block (32), one end of the connector (33) extends to the outside of the heating mechanism (3), and the surface of the connector (33) is fixedly connected with the inside of the heating mechanism (3).
2. The heating structure of a lithium ion battery according to claim 1, wherein: the other side of the heating block (32) is fixedly connected with a heat conducting strip (34), and the back surface of the heat conducting strip (34) is fixedly connected with the surface of the mounting plate (31).
3. The heating structure of a lithium ion battery according to claim 2, wherein: one end fixedly connected with heat spreader (35) of heat conduction strip (34), one side of heat spreader (35) and mounting panel (31) one side fixed connection, the inside fixed connection of surface and heating mechanism (3) of heat spreader (35), the inside of heat collection room (36) is extended to one end of heat spreader (35).
4. The heating structure of a lithium ion battery according to claim 1, wherein: the novel protective cover is characterized in that a small sliding groove (11) is formed in the protective cover (1), a rubber cushion block (12) is fixedly connected to the interior of the protective cover (1), a first spring (13) is fixedly connected to one side of the rubber cushion block (12), a second spring (14) is fixedly connected to one side of the rubber cushion block (12), and a through hole (16) is formed in the surface of the protective cover (1).
5. The heating structure of a lithium ion battery according to claim 4, wherein: one end of the first spring (13) is fixedly connected with a plate (15), one end of the second spring (14) is fixedly connected with one side of the plate (15), and the other side of the plate (15) is fixedly connected with the surface of the lithium ion battery body (2).
6. The heating structure of a lithium ion battery according to claim 5, wherein: one side fixedly connected with sponge (151) of plate (15), one side fixedly connected with rubber slab two (22) of sponge (151), one side fixedly connected with rubber slab one (21) of rubber slab two (22), one side of rubber slab one (21) and the fixed surface connection of lithium ion battery body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321257375.7U CN220209184U (en) | 2023-05-23 | 2023-05-23 | Heating structure of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321257375.7U CN220209184U (en) | 2023-05-23 | 2023-05-23 | Heating structure of lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220209184U true CN220209184U (en) | 2023-12-19 |
Family
ID=89147428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321257375.7U Active CN220209184U (en) | 2023-05-23 | 2023-05-23 | Heating structure of lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220209184U (en) |
-
2023
- 2023-05-23 CN CN202321257375.7U patent/CN220209184U/en active Active
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| GR01 | Patent grant |