CN213878210U - A lithium iron phosphate battery pack - Google Patents
A lithium iron phosphate battery pack Download PDFInfo
- Publication number
- CN213878210U CN213878210U CN202120084829.XU CN202120084829U CN213878210U CN 213878210 U CN213878210 U CN 213878210U CN 202120084829 U CN202120084829 U CN 202120084829U CN 213878210 U CN213878210 U CN 213878210U
- Authority
- CN
- China
- Prior art keywords
- battery pack
- heat conduction
- iron phosphate
- lithium iron
- protection plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
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
Landscapes
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
本实用新型公开了一种磷酸铁锂电池包，涉及磷酸铁锂电池技术领域，为解决现有的磷酸铁锂电池包散热性不好，且内部电池芯易与粉尘接触造成短路的问题。所述磷酸铁锂电池包包括电池芯，所述电池芯的上端设置有上导热防护板，所述电池芯的下端设置有下导热防护板，所述电池芯的两侧均设置有侧导热防护板，所述电池包外壳位于磷酸铁锂电池包的外部，所述电池包外壳的内侧设置有若干散热片，所述散热片与磷酸铁锂电池包的表面贴合，所述电池包外壳的端面上设置有若干散热孔，且散热片与电池包外壳焊接连接，所述上导热防护板、下导热防护板和侧导热防护板的内侧均设置有若干卡槽，所述卡槽的内侧设置有导热硅胶片。
The utility model discloses a lithium iron phosphate battery pack, which relates to the technical field of lithium iron phosphate batteries, in order to solve the problems that the existing lithium iron phosphate battery packs have poor heat dissipation and internal battery cores are easily contacted with dust to cause short circuits. The lithium iron phosphate battery pack includes a battery core, the upper end of the battery core is provided with an upper heat conduction protection plate, the lower end of the battery core is provided with a lower heat conduction protection plate, and both sides of the battery core are provided with side heat conduction protection plates board, the battery pack shell is located outside the lithium iron phosphate battery pack, the inner side of the battery pack shell is provided with a number of heat sinks, the heat sinks are attached to the surface of the lithium iron phosphate battery pack, and the battery pack shell A number of heat dissipation holes are arranged on the end surface, and the heat sink is welded to the battery pack casing. The upper heat conduction protection plate, the lower heat conduction protection plate and the inner side of the side heat conduction protection plate are all provided with a number of card slots, and the inner sides of the card slots are provided with There are thermally conductive silicone sheets.
Description
Technical Field
The utility model relates to a lithium iron phosphate battery technology field specifically is a lithium iron phosphate battery package.
Background
The lithium iron phosphate battery is a lithium ion battery using lithium iron phosphate as a positive electrode material. When the lithium iron phosphate battery is charged, part of lithium ions in the lithium iron phosphate are separated and transferred to the negative electrode through the electrolyte, meanwhile, electrons are released from the positive electrode and reach the negative electrode from an external circuit, the balance of chemical reaction is maintained, when the lithium iron phosphate battery is discharged, the lithium ions are separated from the negative electrode and reach the positive electrode through the electrolyte, meanwhile, the negative electrode releases the electrons and reach the positive electrode from the external circuit, energy is provided for the outside, the lithium iron phosphate battery has larger capacity than a common battery (such as lead acid), the volume of the lithium iron phosphate battery with the same specification and capacity is two thirds of the volume of the lead acid battery, and the weight of the lithium iron phosphate battery is one third of the weight of the lead acid battery.
However, the existing lithium iron phosphate battery pack is poor in heat dissipation performance, and an internal battery core is easy to contact with dust to cause short circuit, so that the existing requirements are not met, and the lithium iron phosphate battery pack is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lithium iron phosphate battery package to the current lithium iron phosphate battery package thermal diffusivity that proposes among the solution above-mentioned background is not good, and inside battery core easily causes the problem of short circuit with the dust contact.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium iron phosphate battery pack, includes lithium iron phosphate battery pack and battery package shell, lithium iron phosphate battery pack includes the battery core, the upper end of battery core is provided with the heat conduction guard plate, the lower extreme of battery core is provided with down the heat conduction guard plate, the both sides of battery core all are provided with the side heat conduction guard plate, the battery package shell is located the outside of lithium iron phosphate battery pack, the inboard of battery package shell is provided with a plurality of fin, the fin laminates with the surface of lithium iron phosphate battery pack, be provided with a plurality of louvres on the terminal surface of battery package shell, and fin and battery package shell welded connection.
Preferably, the inboard of going up heat conduction guard plate, lower heat conduction guard plate and side heat conduction guard plate all is provided with a plurality of draw-in grooves, the inboard of draw-in groove is provided with heat conduction silica gel piece, and heat conduction silica gel piece and draw-in groove splice and be connected.
Preferably, both sides of going up heat conduction guard plate and lower heat conduction guard plate upper end all are provided with first mounting hole, the upper and lower both ends of side heat conduction guard plate all are provided with the second mounting hole, and side heat conduction guard plate and last heat conduction guard plate and lower heat conduction guard plate all pass through the screw connection.
Preferably, a front cover plate is installed at the front end of the battery pack shell, a rear cover plate is installed at the rear end of the battery pack shell, and the junction pieces are arranged between the battery core and the front cover plate and between the battery core and the rear cover plate.
Preferably, the upper end of the front cover plate is provided with a positive terminal and a negative terminal.
Preferably, the battery pack shell is connected with the front cover plate and the rear cover plate through screws.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an go up heat conduction guard plate, heat conduction guard plate and side heat conduction guard plate protect the battery core down, avoid the entering of outside dust when playing the heat conduction radiating action, avoid dust and battery core contact to avoid the emergence of short circuit phenomenon effectively, improved the life of battery package.
2. The utility model discloses a draw-in groove increases the area of contact of heat conduction guard plate and battery core to realize better heat conduction heat dissipation, also improved the joint strength between battery core and the heat conduction guard plate simultaneously, avoid the battery core to produce and rock, improve the stability under the whole battery package operating condition, the inboard heat conduction silicon film of draw-in groove then further improves the heat conduction radiating effect to the battery core, improves the thermal diffusivity of whole battery package.
3. The utility model discloses a heat conduction guard plate and a plurality of fin take place heat exchange, and a plurality of fin of rethread are with heat transfer to the air in, because there is great heat dissipation gap between each fin, and is provided with a plurality of louvres on the terminal surface of battery package shell to can improve the circulation area and the circulation speed of air, improve the heat exchange efficiency between air and the fin, improve the radiating effect of whole battery package promptly.
Drawings
Fig. 1 is an exploded view of a lithium iron phosphate battery pack according to the present invention;
fig. 2 is a three-dimensional perspective view of the battery pack case of the present invention;
fig. 3 is a side view of a lithium iron phosphate battery pack of the present invention;
fig. 4 is a schematic structural diagram of a lithium iron phosphate battery pack of the present invention.
In the figure: 1. a lithium iron phosphate battery pack; 2. a battery cell; 3. an upper heat conduction protection plate; 4. a lower heat conduction protection plate; 5. a side heat conduction protection plate; 6. a battery pack housing; 7. a heat sink; 8. heat dissipation holes; 9. a card slot; 10. a heat-conducting silica gel sheet; 11. a first mounting hole; 12. a second mounting hole; 13. a front cover plate; 14. a rear cover plate; 15. a confluence sheet; 16. a positive terminal; 17. and a negative terminal.
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.
Referring to fig. 1-4, the present invention provides an embodiment: a lithium iron phosphate battery pack comprises a lithium iron phosphate battery pack 1 and a battery pack shell 6, wherein the lithium iron phosphate battery pack 1 comprises a battery core 2, an upper heat conduction protection plate 3 is arranged at the upper end of the battery core 2, a lower heat conduction protection plate 4 is arranged at the lower end of the battery core 2, side heat conduction protection plates 5 are respectively arranged at two sides of the battery core 2, the heat conduction and heat dissipation effects are achieved, external dust is prevented from entering, and the dust is prevented from contacting with the battery core 2, so that the short circuit phenomenon is effectively avoided, the service life of the lithium iron phosphate battery pack 1 is prolonged, the battery pack shell 6 is positioned outside the lithium iron phosphate battery pack 1, a plurality of radiating fins 7 are arranged at the inner side of the battery pack shell 6, the radiating fins 7 are attached to the surface of the lithium iron phosphate battery pack 1, a plurality of radiating holes 8 are arranged on the end face of the battery pack shell 6, and the radiating fins 7 are welded with the battery pack shell 6, go up heat conduction guard plate 3, heat exchange takes place for lower heat conduction guard plate 4 and side heat conduction guard plate 5 and a plurality of fin 7, with heat transfer to fin 7, a plurality of fin 7 of rethread are with heat transfer to the air in, because there is great heat dissipation gap between each fin 7, and be provided with a plurality of louvres 8 on the terminal surface of battery package shell 6, thereby can improve the circulation area and the circulation speed of air, improve the heat exchange efficiency between air and the fin 7, the radiating effect of whole battery package has been improved promptly.
Further, go up heat conduction guard plate 3, the inboard of lower heat conduction guard plate 4 and side heat conduction guard plate 5 all is provided with a plurality of draw-in grooves 9, the inboard of draw-in groove 9 is provided with heat conduction silica gel piece 10, and heat conduction silica gel piece 10 splices with draw-in groove 9 and is connected, in the draw-in groove 9 of each heat conduction guard plate of battery core 2 embedding, contact with the inboard heat conduction silica gel piece 10 of draw-in groove 9, better heat conduction radiating effect has been realized, the joint strength between battery core 2 and the heat conduction guard plate has also been improved simultaneously, avoid battery core 2 to produce and rock, improve the stability under the lithium iron phosphate battery package 1 operating condition.
Further, both sides of the upper ends of the upper heat conduction protection plate 3 and the lower heat conduction protection plate 4 are provided with first mounting holes 11, the upper end and the lower end of the side heat conduction protection plate 5 are provided with second mounting holes 12, the side heat conduction protection plate 5 and the upper heat conduction protection plate 3 are connected with the lower heat conduction protection plate 4 through screws, the connection mode is simple, the mounting and dismounting are convenient, and the maintenance is facilitated.
Further, a front cover plate 13 is installed at the front end of the battery pack shell 6, a rear cover plate 14 is installed at the rear end of the battery pack shell 6, and a plurality of current collecting pieces 15 are arranged between the battery core 2 and the front cover plate 13 and between the battery core and the rear cover plate 14 and can be connected with power distribution positions of a plurality of circuits.
Further, the upper end of the front cover 13 is provided with a positive terminal 16 and a negative terminal 17 to provide a wiring direction.
Furthermore, the battery pack shell 6 is connected with the front cover plate 13 and the rear cover plate 14 through screws, so that the connection mode is simple, the assembly and disassembly are convenient, and the maintenance is facilitated.
The working principle is as follows: when the lithium iron phosphate battery pack is used, the upper heat conduction protection plate 3 and the lower heat conduction protection plate 4 are respectively positioned at the upper end and the lower end of the battery core 2, the two side heat conduction protection plates 5 are respectively positioned at the two sides of the battery core 2 to protect the battery core 2, the heat conduction and heat dissipation effects are achieved, external dust is prevented from entering, and the dust is prevented from contacting the battery core 2, so that the short circuit phenomenon is effectively avoided, the service life of the lithium iron phosphate battery pack 1 is prolonged, the battery core 2 is embedded into the clamping groove 9 of each heat conduction protection plate and contacts with the heat conduction silica gel sheet 10 at the inner side of the clamping groove 9, the better heat conduction and heat dissipation effects are realized, the connection strength between the battery core 2 and the heat conduction protection plates is improved, the battery core 2 is prevented from shaking, the stability of the lithium iron phosphate battery pack 1 in the working state is improved, and the heat exchange between the upper heat conduction protection plate 3, the lower heat conduction protection plate 4 and the side heat conduction protection plates 5 and the plurality of radiating fins 7 is realized, with heat transfer to fin 7, the rethread is during a plurality of fin 7 with heat transfer to the air, because there is great heat dissipation gap between each fin 7, and is provided with a plurality of louvres 8 on the terminal surface of battery package shell 6 to can improve the circulation area and the circulation speed of air, improve the heat exchange efficiency between air and the fin 7, improve the radiating effect of whole battery package promptly.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120084829.XU CN213878210U (en) | 2021-01-13 | 2021-01-13 | A lithium iron phosphate battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120084829.XU CN213878210U (en) | 2021-01-13 | 2021-01-13 | A lithium iron phosphate battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213878210U true CN213878210U (en) | 2021-08-03 |
Family
ID=77045332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120084829.XU Active CN213878210U (en) | 2021-01-13 | 2021-01-13 | A lithium iron phosphate battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213878210U (en) |
-
2021
- 2021-01-13 CN CN202120084829.XU patent/CN213878210U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6581699B2 (en) | Battery module | |
| CN210073975U (en) | A high-efficiency heat dissipation soft pack battery module | |
| CN110676421B (en) | Battery Modules and Electric Vehicles | |
| CN216054975U (en) | Thermal runaway separation structure, battery module and laminate polymer battery | |
| CN218005162U (en) | battery pack | |
| CN109037787B (en) | New energy automobile lithium ion battery pack structure and 18650 battery manufacturing method thereof | |
| CN221447296U (en) | Batteries and electrical devices | |
| CN215377616U (en) | Lithium ion battery cell structure with good heat dissipation function | |
| CN206422182U (en) | A kind of battery modules radiator structure and this kind of battery modules | |
| CN217334224U (en) | Monocell and battery package | |
| CN213878210U (en) | A lithium iron phosphate battery pack | |
| CN211957702U (en) | Heat release explosion-proof lithium ion battery | |
| CN217589100U (en) | Battery module | |
| CN218548548U (en) | Battery replacing battery convenient for heat dissipation | |
| CN220209077U (en) | Battery heat abstractor | |
| CN218548557U (en) | Battery module with heat dissipation structure | |
| CN219086107U (en) | Battery pack | |
| CN219419164U (en) | Immersed cooling battery module and battery pack | |
| CN217788543U (en) | Energy storage device and energy storage device control system having same | |
| CN213845406U (en) | Safety protection structure of lithium battery cell module | |
| CN111969279B (en) | A power battery device | |
| CN115579552A (en) | Battery module | |
| CN219286514U (en) | Heating and heat dissipation integrated structure of soft package battery module | |
| CN221805640U (en) | Lithium iron phosphate battery pack | |
| CN221827955U (en) | A battery protection structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20260127 Address after: 230000 Anhui Province, Hefei City, Yaohai District, Mingguang Road and Shengli Road intersection, Evergrande Central Plaza Building 41, Room 437 Patentee after: Hefei Wrist Bear Information Technology Co.,Ltd. Country or region after: China Address before: 211100 Jiangsu Province, Nanjing City, Jiangning District, No. 9 Xinting Road, Shizheng Tianyuancheng Xingyun Building 1, 104 (Jiangning High-tech Park) Patentee before: Nanjing Yutian New Energy Technology Co.,Ltd. Country or region before: China |