CN220420697U - Safe explosion-proof type lithium battery - Google Patents
Safe explosion-proof type lithium battery Download PDFInfo
- Publication number
- CN220420697U CN220420697U CN202322063846.7U CN202322063846U CN220420697U CN 220420697 U CN220420697 U CN 220420697U CN 202322063846 U CN202322063846 U CN 202322063846U CN 220420697 U CN220420697 U CN 220420697U
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- CN
- China
- Prior art keywords
- lithium battery
- explosion
- proof
- fixedly connected
- pressure relief
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 104
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 238000001125 extrusion Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 239000012530 fluid Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 8
- 230000005855 radiation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Secondary Cells (AREA)
Abstract
The utility model discloses a safe explosion-proof lithium battery, which comprises a lithium battery shell, wherein connecting columns are fixedly connected to inner side walls of two sides of the lithium battery shell, a heat conducting plate is fixedly connected to one side of each connecting column, a radiating fin is connected to one side of each heat conducting plate in a penetrating way, mounting grooves are formed in two inner side walls of the lithium battery shell, a radiating fan is fixedly connected to the inside of each mounting groove, a pressure relief groove is formed in one side of the lithium battery shell, a spring is fixedly connected to the inside of each pressure relief groove, an extrusion plate is fixedly connected to one side of each spring, a pressure relief channel is formed in one side of each pressure relief groove, an explosion-proof bag is fixedly connected to the inside of the lithium battery shell, and a lithium battery assembly is arranged in the lithium battery shell. The heat on the surface of the lithium battery component is conducted through the heat conducting plate and the heat radiating fins and is radiated into the lithium battery shell, and the heat inside the lithium battery shell is radiated through the heat radiating fan and the heat radiating holes, so that the possibility of explosion is reduced.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to a safe explosion-proof lithium battery.
Background
The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses nonaqueous electrolyte solution, and the lithium metal has very high requirements on environment due to the very active chemical characteristics of the lithium metal, so the lithium battery is not applied for a long time, and along with the development of scientific technology, the lithium battery is now becoming the mainstream.
The existing lithium battery is found in use, the surface temperature of the device is easy to be too high after long-time working, the separator required to be used in the working process of the device is easy to be damaged, the device is easy to explode in the working process, the use safety is low, and the use reliability is low.
Disclosure of Invention
The utility model aims to provide a safe explosion-proof lithium battery, which can conduct heat on the surface of a lithium battery component through a heat conducting plate and a heat radiating fin, and diffuse the heat into a lithium battery shell, and diffuse the heat in the lithium battery shell through a heat radiating fan and a heat radiating hole, so that the possibility of explosion is reduced.
To achieve the above object, there is provided a safety explosion-proof lithium battery comprising: the lithium battery comprises a lithium battery shell, wherein connecting columns are fixedly connected to inner side walls of two sides of the lithium battery shell, a heat conducting plate is fixedly connected to one side of the connecting columns, radiating fins are connected to one side of the heat conducting plate in a penetrating and electric mode, mounting grooves are formed in two inner side walls of the lithium battery shell, and a radiating fan is fixedly connected to the inside of each mounting groove;
the lithium battery pack is characterized in that a pressure relief groove is formed in one side of the lithium battery shell, a spring is fixedly connected to the inside of the pressure relief groove, an extruding plate is fixedly connected to one side of the spring, a pressure relief channel is formed in one side of the pressure relief groove, an explosion-proof bag is fixedly connected to the inside of the lithium battery shell, a lithium battery pack is arranged in the lithium battery shell, and an explosion-proof net is arranged on the outer surface of the lithium battery pack.
According to the safe explosion-proof lithium battery, four connecting columns are arranged, and every two connecting columns are in one group and in two groups.
According to the safe explosion-proof lithium battery, a plurality of heat dissipation holes are formed in two sides of the lithium battery shell.
According to the safe explosion-proof lithium battery, the air inlet end of the pressure relief channel is sealed through the extrusion plate.
According to the safe explosion-proof lithium battery, the sealing cover is arranged at the upper end of the lithium battery shell.
According to the safe explosion-proof lithium battery, the explosion-proof bag is filled with non-Newtonian fluid.
The utility model aims to provide a safe explosion-proof lithium battery, which has the main innovation points:
1. this safe explosion-proof type lithium cell, through setting up heat-conducting plate, heat radiation fin, conduct lithium cell subassembly surface heat, disperse to in the lithium cell shell, through radiator fan, louvre, disperse lithium cell shell inside heat, reduce the possibility of explosion.
2. This safe explosion-proof type lithium cell through setting up stripper plate, pressure release groove, spring, pressure release passageway, when lithium cell shell internal pressure was too big, extrudees the stripper plate for pressure release passageway communicates with each other with lithium cell shell is inside, and gas passes through pressure release passageway and discharges, reduces lithium cell shell internal pressure.
3. According to the safe explosion-proof lithium battery, the explosion-proof bag and the explosion-proof net are arranged, so that impact force is absorbed by the non-Newtonian fluid when explosion occurs, the impact force generated by the explosion is prevented from damaging the lithium battery shell, and the safety is improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
fig. 1 is a perspective view of a safe explosion-proof lithium battery according to the present utility model;
fig. 2 is a schematic diagram of the internal structure of a lithium battery case of a safe explosion-proof lithium battery according to the present utility model;
fig. 3 is a schematic diagram of an installation structure of a heat conducting plate of a safe explosion-proof lithium battery according to the present utility model;
fig. 4 is a front plate cross-sectional view of a lithium battery case of a safety explosion-proof lithium battery according to the present utility model;
fig. 5 is a schematic structural diagram of fig. 4 a according to the present utility model.
Legend description:
1. a lithium battery case; 2. a lithium battery module; 3. an explosion-proof bag; 4. a mounting groove; 5. a heat radiation fan; 6. a connecting column; 7. a heat conductive plate; 8. a heat radiation fin; 9. a heat radiation hole; 10. a pressure relief groove; 11. a spring; 12. an extrusion plate; 13. a pressure relief channel; 14. sealing cover; 15. an explosion-proof net.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-5, the embodiment of the utility model provides a safe explosion-proof lithium battery, which comprises a lithium battery shell 1, wherein connecting columns 6 are fixedly connected to inner side walls of two sides of the lithium battery shell 1, one side of each connecting column 6 is fixedly connected with a heat conducting plate 7, one side of each heat conducting plate 7 is electrically connected with a heat radiating fin 8, two inner side walls of the lithium battery shell 1 are respectively provided with an installation groove 4, the inside of each installation groove 4 is fixedly connected with a heat radiating fan 5, and heat on the surface of a lithium battery assembly 2 is conducted and radiated into the lithium battery shell 1 through the heat radiating fans 5 and heat radiating holes 9, so that the possibility of explosion is reduced;
the pressure relief groove 10 has been seted up to one side of lithium cell shell 1, the inside fixedly connected with spring 11 of pressure relief groove 10, one side fixedly connected with stripper plate 12 of spring 11, pressure relief passageway 13 has been seted up to one side of pressure relief groove 10, through setting up stripper plate 12, pressure relief groove 10, spring 11, pressure relief passageway 13, when the inside pressure of lithium cell shell 1 is too big, extrude stripper plate 12 for pressure relief passageway 13 communicates with each other with lithium cell shell 1 inside, the gas is discharged through pressure relief passageway 13, reduce lithium cell shell 1 internal pressure, the inside fixedly connected with explosion-proof bag 3 of lithium cell shell 1, the inside of lithium cell shell 1 is provided with lithium cell assembly 2, the surface of lithium cell assembly 2 is provided with explosion-proof net 15, through setting up explosion-proof bag 3, explosion-proof net 15, when the explosion takes place, impact force by non-Newtonian fluid absorption, prevent that explosion produced impact force from destroying lithium cell shell 1, the security is improved.
The connecting column 6 is provided with four, every two is a set of, and two sets of altogether, and a plurality of louvres 9 have all been seted up to the both sides of lithium cell shell 1, and pressure release channel 13's air inlet is sealed through stripper plate 12, and the upper end of lithium cell shell 1 is provided with sealed lid 14, and explosion-proof bag 3 inside is filled with non-Newtonian fluid.
Working principle: when the safe explosion-proof lithium battery is used, a power supply is connected, heat on the surface of a lithium battery assembly 2 is conducted through a heat conducting plate 7, the heat is dissipated into a lithium battery shell 1 through a heat dissipating fin 8, a heat dissipating fan 5 is started, and the heat dissipating fan 5 discharges the heat out of the lithium battery shell 1 through a heat dissipating hole 9; when the internal pressure of the lithium battery shell 1 is overlarge, the extrusion plate 12 is extruded, so that the pressure release channel 13 is communicated with the interior of the lithium battery shell 1, and gas is discharged through the pressure release channel 13.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (6)
1. A safe explosion-proof lithium battery, comprising: the lithium battery comprises a lithium battery shell (1), wherein connecting columns (6) are fixedly connected to inner side walls of two sides of the lithium battery shell (1), a heat conducting plate (7) is fixedly connected to one side of each connecting column (6), radiating fins (8) are connected to one side of each heat conducting plate (7) in a penetrating and electric mode, mounting grooves (4) are formed in two inner side walls of the lithium battery shell (1), and a radiating fan (5) is fixedly connected to the inner side of each mounting groove (4);
the lithium battery pack is characterized in that a pressure relief groove (10) is formed in one side of the lithium battery shell (1), a spring (11) is fixedly connected to the inside of the pressure relief groove (10), an extrusion plate (12) is fixedly connected to one side of the spring (11), a pressure relief channel (13) is formed in one side of the pressure relief groove (10), an explosion-proof bag (3) is fixedly connected to the inside of the lithium battery shell (1), a lithium battery assembly (2) is arranged in the lithium battery shell (1), and an explosion-proof net (15) is arranged on the outer surface of the lithium battery assembly (2).
2. The safe explosion-proof lithium battery according to claim 1, wherein the connecting posts (6) are arranged in four groups of two.
3. The safe explosion-proof lithium battery according to claim 1, wherein a plurality of heat dissipation holes (9) are formed in both sides of the lithium battery shell (1).
4. A safety explosion-proof lithium battery according to claim 1, characterized in that the air inlet end of the pressure relief channel (13) is sealed by the extrusion plate (12).
5. A safety explosion-proof lithium battery according to claim 1, characterized in that the upper end of the lithium battery housing (1) is provided with a sealing cover (14).
6. A safety explosion-proof lithium battery according to claim 1, characterized in that the explosion-proof pouch (3) is filled internally with a non-newtonian fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322063846.7U CN220420697U (en) | 2023-08-02 | 2023-08-02 | Safe explosion-proof type lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322063846.7U CN220420697U (en) | 2023-08-02 | 2023-08-02 | Safe explosion-proof type lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220420697U true CN220420697U (en) | 2024-01-30 |
Family
ID=89659656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322063846.7U Active CN220420697U (en) | 2023-08-02 | 2023-08-02 | Safe explosion-proof type lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220420697U (en) |
-
2023
- 2023-08-02 CN CN202322063846.7U patent/CN220420697U/en active Active
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