CN220569741U - Lithium ion power battery - Google Patents
Lithium ion power battery Download PDFInfo
- Publication number
- CN220569741U CN220569741U CN202321654885.8U CN202321654885U CN220569741U CN 220569741 U CN220569741 U CN 220569741U CN 202321654885 U CN202321654885 U CN 202321654885U CN 220569741 U CN220569741 U CN 220569741U
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- China
- Prior art keywords
- wall
- plate
- ion power
- power battery
- inner panel
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 23
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 34
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 17
- 239000001569 carbon dioxide Substances 0.000 claims description 17
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 17
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 210000005056 cell body Anatomy 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 239000003063 flame retardant Substances 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to the technical field of batteries, and particularly discloses a lithium ion power battery, which comprises a battery body and a current collecting column arranged on the battery body, wherein an inner plate is arranged on the outer wall of the battery body, the outer wall of the battery body is attached to the inner wall of the inner plate, uniformly distributed cooling fins are arranged on the outer wall of the inner plate, an outer plate is fixedly arranged at the outer ends of the cooling fins together, the inner plate and the outer plate are both arranged as annular columns, uniformly distributed cooling holes are formed in the inner plate and the outer plate, symmetrical risers are fixedly arranged on the outer wall of the battery body, a slideway matched with the risers is formed in the inner wall of the inner plate, fixing pieces are arranged on the inner plate and the risers, a fireproof piece is arranged between the inner plate and the outer plate, the fixing pieces comprise mounting openings formed in the side edges of the slideway, and the lithium ion power battery has the advantages of good heat dissipation and flame retardance, high protection effect, simple structure and strong practicability.
Description
Technical Field
The utility model belongs to the technical field of batteries, and particularly relates to a lithium ion power battery.
Background
The lithium ion power battery is a power device of an electric automobile adopting a lithium battery (Li-ion) as a power supply, the market scale of the lithium ion power battery in China is rapidly expanded due to the rapid development of new energy automobiles, and the yield of the lithium ion power battery in China is about 38.5gWh at the end of 2017 according to the data of China's society of chemical and physical power industries, is increased by 42.28% in a same ratio, and accounts for 71.85% of the global yield.
The cylindrical power battery is internally provided with a spiral winding structure, and is formed by spacing a very fine polyethylene or polypropylene or a film isolation material compounded by polyethylene and polypropylene between an anode and a cathode, and the battery core of the structure has the advantages of reliable manufacturing process, convenient winding, poor heat dissipation effect of the manufactured power battery, more gaps left between the batteries after a plurality of cylindrical batteries are assembled, and large occupied volume.
The structure of the lithium ion power battery in the prior patent (bulletin number: CN 201120191240.6) is provided with a plurality of radiating fins to reduce the high temperature generated during the operation of the battery, the radiating effect is good, and the battery shell which is formed by the radiating fins and has a square outer contour fills the gaps among a plurality of batteries, thereby being convenient for the installation and manufacture of the battery pack, improving the stability of a single battery in the battery pack and being more convenient to use, so the utility model has good conductive performance, long service life, good radiating effect and convenient installation and use.
For the above-mentioned problem, current patent gives the solution, but directly set up radiating fin at the battery case outer wall at in-service use's in-process and lead to radiating fin and battery to take place the damage when the collision easily, the battery takes place the damage or the battery probably leads to the emergence of spontaneous combustion condition when working under the condition of high temperature, exists the potential safety hazard, needs to improve this.
For this purpose, a lithium ion power battery is proposed.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the lithium ion power battery with the heat dissipation and flame retardance effects, good protection effects and high safety.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a lithium ion power battery, includes cell body and the collector post of setting on cell body, cell body outer wall is provided with the inner panel, cell body outer wall is laminated mutually with the inner panel inner wall, the inner panel outer wall is provided with evenly distributed's fin, the common fixed mounting of fin outer end has the planking, the even distributed's louvre has all been seted up on inner panel and the planking to inner panel and the planking that inner panel all set up to annular cylinder, cell body outer wall fixed mounting has symmetrical riser, the slide with riser looks adaptation has been seted up to the inner panel inner wall, be provided with the mounting on inner panel and the riser, be provided with the fire prevention spare between inner panel and the planking.
Preferably, the mounting comprises a mounting opening formed in the side edge of the slide rail of the inner plate, a spring arranged in the mounting opening, a fixed block arranged on the mounting opening in a sliding manner, and a fixed opening formed in the side edge of the vertical plate and matched with the fixed block, wherein the two bonding surfaces of the fixed block and the fixed opening are cambered surfaces, and the spring is pressed between the inner plate and the fixed block.
Preferably, the size of the vertical plate is matched with the size of the slideway, and the size of the fixed block is matched with the size of the fixed opening.
Preferably, the inner plate and the outer plate are made of a heat conductive metal material.
Preferably, the fireproof piece comprises a carbon dioxide box fixedly installed between cooling fins, connecting pipes arranged on two sides of the carbon dioxide box, a switching valve arranged on the connecting pipes, exhaust pipes uniformly distributed on the connecting pipes and flame sensors fixedly installed on the cooling fins, wherein the flame sensors are electrically connected with the switching valve, and the exhaust pipes are all positioned in the cooling holes.
Preferably, the carbon dioxide boxes are at least provided with two groups which are symmetrical.
Preferably, the fixing blocks on the inner plate and the fixing openings on the vertical plate are provided with two groups which are vertically symmetrical.
Preferably, both sides of the bottom of the vertical plate, which are close to the fixing opening, are all provided with arc edges.
In summary, compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the cooperation work among the inner plate, the radiating fin, the outer plate and the radiating hole, the radiating effect on the battery body can be enhanced, the outer plate can protect the radiating fin and the battery body, and the practicability is strong.
2. According to the utility model, through the cooperation work among the vertical plate, the slide way, the mounting opening, the spring, the fixing block and the fixing opening, the simple disassembly and assembly between the battery body and the inner plate can be realized, the inner plate and the outer plate can be replaced conveniently, the production and the processing are convenient, and the practicability is strong.
2. According to the utility model, through the cooperation among the carbon dioxide box, the connecting pipe, the switch valve, the exhaust pipe and the flame sensor, the battery body has a flame retardant effect, and the safety and the practicability are high.
Drawings
FIG. 1 is a perspective view of the present utility model;
fig. 2 is a block diagram of a battery body according to the present utility model;
FIG. 3 is a block diagram of an inner panel and an outer panel of the present utility model;
FIG. 4 is an enlarged view of the utility model at A in FIG. 3;
FIG. 5 is a view showing the construction of the inside of the mounting port of the present utility model;
FIG. 6 is a view showing the construction of the inner wall of the outer ring of the present utility model;
fig. 7 is a top plan view of the outer race of the present utility model.
Legend description:
1. a battery body; 2. a collector column; 3. an inner plate; 4. a heat sink; 5. an outer plate; 6. a heat radiation hole; 7. a riser; 8. a slideway; 9. a fixing member; 91. a mounting port; 92. a spring; 93. a fixed block; 94. a fixed port; 10. a fire protection member; 101. a carbon dioxide cartridge; 102. a connecting pipe; 103. a switch valve; 104. an exhaust pipe; 105. a flame sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-7, the present utility model provides a technical solution: the utility model provides a lithium ion power battery, includes cell body 1 and sets up collector post 2 on cell body 1, cell body 1 outer wall is provided with inner panel 3, cell body 1 outer wall is laminated mutually with inner panel 3 inner wall, inner panel 3 outer wall is provided with evenly distributed's fin 4, the common fixed mounting of fin 4 outer end has planking 5, inner panel 3 all sets up to annular cylinder and inner panel 3 and planking 5 on evenly distributed's louvre 6, cell body 1 outer wall fixed mounting has symmetrical riser 7, inner panel 3 inner wall has been seted up with slide 8 of riser 7 looks adaptation, be provided with mounting 9 on inner panel 3 and the riser 7, be provided with fire prevention spare 10 between inner panel 3 and the planking 5.
When the inner plate 3 and the outer plate 5 are fixedly installed on the outer wall of the battery body 1, the slideway 8 on the inner wall of the inner plate 3 is aligned with the vertical plate 7 on the outer wall of the battery body 1, then the outer plate 5 and the inner plate 3 are downwards slid, the inner plate 3 is automatically fixedly installed on the outer wall of the battery body 1 through the fixing piece 9 in the sliding process of the inner plate 3, the whole installation of the device is completed, a circuit is connected to the anode and cathode of the current collecting column 2 to conduct electricity through the battery body 1 when the electricity is connected, heat generated in the working process of the battery body 1 is conveyed to the radiating fin 4 through the inner plate 3, the radiating effect on the battery body 1 is enhanced by the inner plate 3, the radiating fin 4, the outer plate 5 and the radiating hole 6, the fireproof piece 10 is arranged, the phenomenon that spontaneous combustion of the battery body 1 occurs due to overhigh temperature can be avoided, and the lithium ion power battery has the radiating and flame-retardant effect, and is good in protection effect, high in safety and simple structure and strong in practicability.
The fixing piece 9 comprises a mounting opening 91 formed in the inner plate 3 and positioned at the side edge of the slideway 8, a spring 92 arranged in the mounting opening 91, a fixing block 93 arranged on the mounting opening 91 in a sliding manner and a fixing opening 94 formed in the side edge of the vertical plate 7 and matched with the fixing block 93, the joint surfaces of the fixing block 93 and the fixing opening 94 are cambered surfaces, and the spring 92 is pressed between the inner plate 3 and the fixing block 93; the fixed block 93 receives the extrusion force in the gliding in-process on the battery body 1 of inner panel 3, the fixed block 93 receives extrusion force compression spring 92 gets into in the installing port 91, when inner panel 3 inserts completely and establishes on the battery body 1, installing port 91 is just to the fixed port 94 of riser 7 side this moment, in fixing port 94 is gone into with fixed block 93 card through the restoring force of spring 92, accomplish the installation of inner panel 3 and battery body 1 and fix, when dismantling inner panel 3 and planking 5, direct power pulling inner panel 3 breaks away from battery body 1 can, can realize the simple and easy dismouting between battery body 1 and the inner panel 3, be convenient for change inner panel 3 and planking 5, the production and processing is convenient, the practicality is strong.
The size of the vertical plate 7 is matched with the size of the slideway 8, and the size of the fixed block 93 is matched with the size of the fixed opening 94; the stability of the inner plate 3 and the mounting plate after being mounted and fixed can be improved, and the stability of the battery during operation is improved.
The inner plate 3 and the outer plate 5 are made of heat-conductive metal; the heat conduction effect can be improved, and then the heat dissipation effect of the battery body 1 is improved.
The fireproof part 10 comprises a carbon dioxide box 101 fixedly arranged between cooling fins 4, connecting pipes 102 arranged on two sides of the carbon dioxide box 101, a switch valve 103 arranged on the connecting pipes 102, exhaust pipes 104 uniformly distributed on the connecting pipes 102 and flame sensors 105 fixedly arranged on the cooling fins 4, wherein the flame sensors 105 are electrically connected with the switch valve 103, and each exhaust pipe 104 is positioned in each cooling hole 6; when the battery body 1 spontaneously fires when the working temperature is too high in a high-temperature environment, the flame sensor 105 detects smoke or flame, the switch valve 103 on the connecting pipe 102 is opened, carbon dioxide in the carbon dioxide box 101 is conveyed into each exhaust pipe 104 through the connecting pipe 102 after the switch valve is opened, and the carbon dioxide is discharged into a gap between the inner plate 3 and the battery body 1 through the exhaust pipes 104 to extinguish fire and flame, so that the safety is high and the practicability is strong.
The carbon dioxide box 101 is provided with at least two groups which are symmetrical; the flame retardant effect can be further improved.
Two groups of vertically symmetrical fixing blocks 93 and fixing openings 94 on the vertical plate 7 are arranged on the inner plate 3; the stability of the inner panel 3 mounted on the battery body 1 can be improved.
Both sides of the bottom of the vertical plate 7, which are close to the fixed port 94, are provided with arc edges; the fixing block 93 can be made to undergo rapid shrinkage by the pressing force.
Working principle: when the inner plate 3 and the outer plate 5 are required to be fixedly mounted on the outer wall of the battery body 1, the slideway 8 on the inner wall of the inner plate 3 is aligned with the vertical plate 7 on the outer wall of the battery body 1, then the outer plate 5 and the inner plate 3 are downwards slid, the fixed block 93 is enabled to be subjected to extrusion force in the sliding process of the inner plate 3 on the battery body 1, the fixed block 93 is enabled to be subjected to extrusion force to compress the spring 92 into the mounting port 91, when the inner plate 3 is completely inserted on the battery body 1, the mounting port 91 is opposite to the fixed port 94 on the side edge of the vertical plate 7, the fixed block 93 is clamped into the fixed port 94 through the restoring force of the spring 92, the inner plate 3 and the battery body 1 are mounted and fixed, a circuit is connected on the positive electrode and the negative electrode of the current collecting column 2 through the battery body 1 when the electric connection is conducted, heat generated in the working process of the battery body 1 is conveyed to the radiating fin 4 through the inner plate 3, the radiating fin 4, the outer plate 5 and the radiating hole 6 are reinforced to the effect of the battery body 1, when the battery body 1 is in high working temperature under high environment, smoke or flame is detected by the flame sensor 105, the switch valve 103 is automatically opened, the switch valve 103 is opened, carbon dioxide is automatically released into the exhaust pipe 102 through the carbon dioxide box 102, and the exhaust pipe 102 is conveyed into the exhaust pipe 102, and the exhaust pipe 104 is subjected to fire-retardant effect after the fire-retardant effect is opened, and the carbon dioxide gas is discharged into the exhaust pipe 1.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The utility model provides a lithium ion power battery, includes battery body (1) and sets up collector column (2) on battery body (1), a serial communication port, battery body (1) outer wall is provided with inner panel (3), battery body (1) outer wall is laminated mutually with inner panel (3) inner wall, inner panel (3) outer wall is provided with evenly distributed's fin (4), fin (4) outer end fixed mounting has planking (5) jointly, inner panel (3) all set up into annular cylinder and inner panel (3) and all offered evenly distributed's louvre (6) on planking (5) with planking (5), battery body (1) outer wall fixed mounting has riser (7) of symmetry, slide (8) with riser (7) looks adaptation are seted up to inner panel (3) inner wall, be provided with mounting (9) on inner panel (3) and riser (7), be provided with fire prevention spare (10) between inner panel (3) and planking (5).
2. The lithium ion power battery according to claim 1, wherein the fixing piece (9) comprises a mounting opening (91) formed in the side edge of the slide way (8) of the inner plate (3), a spring (92) arranged in the mounting opening (91), a fixing block (93) arranged on the mounting opening (91) in a sliding manner and a fixing opening (94) formed in the side edge of the vertical plate (7) and matched with the fixing block (93), the joint surfaces of the fixing block (93) and the fixing opening (94) are both cambered surfaces, and the spring (92) is pressed between the inner plate (3) and the fixing block (93).
3. A lithium-ion power battery according to claim 2, characterized in that the size of the riser (7) is adapted to the size of the slideway (8), and the size of the fixing block (93) is adapted to the size of the fixing opening (94).
4. A lithium-ion power battery according to claim 1, characterized in that the inner plate (3) and the outer plate (5) are provided in a thermally conductive metal material.
5. A lithium ion power battery according to claim 1, characterized in that the fireproof part (10) comprises a carbon dioxide box (101) fixedly installed between cooling fins (4), connecting pipes (102) arranged on two sides of the carbon dioxide box (101), switching valves (103) arranged on the connecting pipes (102), exhaust pipes (104) uniformly distributed on the connecting pipes (102) and flame sensors (105) fixedly installed on the cooling fins (4), wherein the flame sensors (105) are electrically connected with the switching valves (103), and each exhaust pipe (104) is positioned in each cooling hole (6).
6. A lithium-ion power battery according to claim 5, characterized in that the carbon dioxide cartridges (101) are provided with at least two groups that are symmetrical.
7. A lithium-ion power battery according to claim 2, characterized in that the fixing blocks (93) on the inner plate (3) and the fixing openings (94) on the vertical plate (7) are provided with two groups which are symmetrical up and down.
8. The lithium ion power battery according to claim 7, wherein both sides of the bottom of the vertical plate (7) near the fixing opening (94) are arc sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321654885.8U CN220569741U (en) | 2023-06-28 | 2023-06-28 | Lithium ion power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321654885.8U CN220569741U (en) | 2023-06-28 | 2023-06-28 | Lithium ion power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220569741U true CN220569741U (en) | 2024-03-08 |
Family
ID=90088595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321654885.8U Active CN220569741U (en) | 2023-06-28 | 2023-06-28 | Lithium ion power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220569741U (en) |
-
2023
- 2023-06-28 CN CN202321654885.8U patent/CN220569741U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |