CN219959129U - Lithium battery with temperature overheat protection - Google Patents
Lithium battery with temperature overheat protection Download PDFInfo
- Publication number
- CN219959129U CN219959129U CN202320577628.2U CN202320577628U CN219959129U CN 219959129 U CN219959129 U CN 219959129U CN 202320577628 U CN202320577628 U CN 202320577628U CN 219959129 U CN219959129 U CN 219959129U
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- lithium battery
- overheat protection
- box
- shell
- 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.)
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Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 92
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 230000017525 heat dissipation Effects 0.000 claims abstract description 63
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 210000005056 cell body Anatomy 0.000 claims description 20
- 239000002826 coolant Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 14
- 210000004027 cell Anatomy 0.000 claims description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 7
- 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 claims description 6
- 238000004804 winding Methods 0.000 claims description 2
- 239000000110 cooling liquid Substances 0.000 abstract description 27
- 238000003466 welding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion 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
- 239000007774 positive electrode material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model relates to a lithium battery with temperature overheat protection, which comprises a shell, wherein a heat dissipation box is arranged in the shell, a lithium battery body is arranged in the heat dissipation box, a heat dissipation cavity is formed in the inner wall of the heat dissipation box, cooling liquid is arranged in the heat dissipation cavity, a heat dissipation pipe is arranged on one side of the heat dissipation box and spirally wound on the outer part of the shell, a supporting cylinder is arranged at the bottom of the heat dissipation box, and one end of the heat dissipation pipe extends to the inner part of the supporting cylinder. According to the utility model, through the rotation of the propeller, the cooling liquid can enter the heat dissipation cavity of the heat dissipation box, so that heat dissipation is carried out on the lithium battery body, the situation that the temperature of the lithium battery in charging is too high is avoided, the cooling liquid after cooling the lithium battery body can enter the heat dissipation pipe, and the cooling liquid can dissipate heat in the spiral heat dissipation pipe along with the reentry of the heat dissipation pipe, so that the cooling liquid can be recycled conveniently, and the lithium battery body is sufficiently cooled.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to a lithium battery with temperature overheat protection.
Background
The lithium battery pack is a battery using a nonaqueous electrolyte solution and using lithium metal or lithium alloy as a positive/negative electrode material, and the lithium metal has very high environmental requirements due to the very active chemical characteristics of the lithium metal. With the development of science and technology, lithium batteries have become mainstream, and when the current lithium battery pack is charged or used, the power is too high, so that the temperature of the lithium battery is increased, and the service life of the lithium battery is affected by the temperature of the lithium battery.
Through retrieving, chinese patent publication No. CN214754032U discloses a safe electric motor car lithium cell with high temperature heat dissipation prevents overcharging, including the mounting box, the inner wall sliding connection slip box of mounting box, be provided with the adjusting part who adjusts slip box height on the mounting box, the lithium cell has been placed in the slip box, be provided with the spacing subassembly that carries out spacing to the lithium cell in the slip box, the top one side of mounting box articulates there is the closing plate, the fixed two jacks that charge that are provided with in bottom of closing plate, the fixed charge connecting plate that is provided with two and charges the jack cooperation and use in top of lithium cell. The safety type electric vehicle lithium battery with high-temperature heat dissipation and overcharge prevention functions has the following defects: the device absorbs heat through the inside entering cavity of water, can't direct and lithium cell in close contact, possess the air after lithium cell and the cavity and separate to lead to unable effective heat of absorbing lithium cell, cause the radiating effect of lithium cell to descend.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a lithium battery with temperature overheat protection.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a possess lithium cell of temperature overheat protection, includes the shell, the inside of shell is equipped with the radiating box, the inside of radiating box is equipped with lithium cell body, the inner wall of radiating box has been seted up and has been dispelled the heat the cavity, and the inside of radiating cavity is equipped with the coolant liquid, one side of radiating box is equipped with the cooling tube, the cooling tube spiral winding in the outside of shell, the bottom of radiating box is equipped with the support section of thick bamboo, the one end of cooling tube extends to the inside of support section of thick bamboo, the inside of support section of thick bamboo is equipped with fixed section of thick bamboo, the inside of fixed section of thick bamboo is equipped with the screw.
Further, the bottom of shell bonds there is fixed box, fixed box's inside is equipped with driving motor, driving motor's output shaft top welding has the axis of rotation, the axis of rotation runs through support section of thick bamboo, the screw install in the outside of axis of rotation.
Further, a first opening is formed in the bottom of the heat dissipation cavity of the heat dissipation box, the fixing cylinder is adhered to the heat dissipation box at the first opening, and an impeller is fixedly connected to the top of the rotating shaft.
Further, the top of lithium cell body is equipped with the pin, the top of shell is equipped with the contact, the contact with the welding has the copper post between the pin.
Further, a separator is fixedly connected to the inside of the shell, and the lithium battery body is located at the bottom of the separator.
Further, a rubber pad is arranged outside the lithium battery body.
Further, flame-retardant cotton is arranged in the shell.
The beneficial effects of the utility model are as follows:
1. through setting up cooling tube and screw, the rotation of screw can make the coolant liquid get into the heat dissipation cavity inside of cooling box to dispel the heat to the lithium cell body, avoid the lithium cell temperature that charges too high, can get into the cooling tube to the coolant liquid after the lithium cell body cools down, along with the inside of cooling tube reentrant support tube, in the cooling tube of spiral, the coolant liquid can dispel the heat, thereby be convenient for the cyclic utilization of coolant liquid, carry out abundant cooling to the lithium cell body;
2. through setting up driving motor and impeller, driving motor is convenient for drive the screw and rotates to make the coolant liquid circulate and flow, carries out the heat dissipation of device, and the axis of rotation rotates and can drive the impeller and rotate, and the impeller makes the coolant liquid rotatory, produces centrifugal force, thereby is convenient for the coolant liquid to fan around, carries out comprehensive heat dissipation to the lithium cell body, is convenient for the circulation of coolant liquid;
3. through setting up the baffle, the lithium cell body of being convenient for is fixed to promote the steadiness of lithium cell body, can provide the protection to the lithium cell body through the rubber pad, avoid the lithium cell body to receive the striking damage;
4. through setting up fire-retardant cotton, protect the device, avoid the device to take place burning explosion and damage the consumer.
Drawings
Fig. 1 is a schematic diagram of a front view structure of a lithium battery with temperature overheat protection according to embodiment 1;
fig. 2 is a schematic cross-sectional view of a lithium battery with temperature overheat protection according to embodiment 1;
fig. 3 is a schematic cross-sectional view of a lithium battery with temperature overheat protection according to embodiment 2.
In the figure: 1 shell, 2 cooling tubes, 3 cooling boxes, 4 lithium battery bodies, 5 partition boards, 6 pins, 7 copper columns, 8 contact pieces, 9 fixing boxes, 10 impellers, 11 propellers, 12 rotating shafts, 13 driving motors, 14 fixing cylinders, 15 supporting cylinders and 16 flame-retardant cotton.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.
Example 1
Referring to fig. 1-2, a lithium battery with temperature overheat protection comprises a housing 1, the inside of the housing 1 is equipped with a heat dissipation case 3, the inside of the heat dissipation case 3 is equipped with a lithium battery body 4, the inner wall of the heat dissipation case 3 is provided with a heat dissipation cavity, the inside of the heat dissipation cavity is equipped with cooling liquid, one side of the heat dissipation case 3 is equipped with a heat dissipation tube 2, the heat dissipation tube 2 is spirally wound outside the housing 1, the bottom of the heat dissipation case 3 is equipped with a support cylinder 15, one end of the heat dissipation tube 2 extends to the inside of the support cylinder 15, the inside of the support cylinder 15 is equipped with a fixed cylinder 14, the inside of the fixed cylinder 14 is equipped with a screw 11, through the rotation of the screw 11, can make the cooling liquid get into the inside of the heat dissipation cavity of the heat dissipation case 3, thereby dispel the heat to the lithium battery body 4, avoid the lithium battery temperature of charging to be too high, the cooling liquid after the cooling to the lithium battery body 4 can get into the support tube 2, along with the inside of the tube 2 reentry of the support cylinder 15, in the spiral heat dissipation tube 2, the cooling liquid can dispel the heat, thereby be convenient for the recycling of the cooling liquid, and the cooling liquid is cooled down fully.
Wherein, the bottom of shell 1 bonds and has fixed box 9, and fixed box 9's inside is equipped with driving motor 13, and driving motor 13's output shaft top welding has axis of rotation 12, and axis of rotation 12 runs through support cylinder 15, and screw 11 is installed in the outside of axis of rotation 12, is convenient for drive screw 11 through driving motor 13 and rotates to make the coolant liquid circulate and flow, carry out the heat dissipation of device.
Wherein, the first opening has been seted up at the bottom of heat dissipation cavity to radiating case 3, and fixed cylinder 14 bonds with radiating case 3 in first opening part, and the top fixedly connected with impeller 10 of axis of rotation 12, axis of rotation 12 rotate can drive impeller 10 and rotate, and impeller 10 makes the coolant liquid rotatory, produces centrifugal force to be convenient for the coolant liquid to scatter all around, carry out comprehensive heat dissipation to lithium cell body 4, the circulation of the coolant liquid of being convenient for.
Wherein, the top of lithium cell body 4 is equipped with pin 6, and the top of shell 1 is equipped with contact 8, and the welding has copper post 7 between contact 8 and the pin 6, is convenient for be connected between contact 8 and the pin 6 through copper post 7 to the lithium cell body 4 access circuit of being convenient for.
Wherein, the inside fixedly connected with baffle 5 of shell 1, lithium cell body 4 are in the bottom of baffle 5, are convenient for the fixed of lithium cell body 4 through baffle 5 to promote the steadiness of lithium cell body 4.
The outside of lithium cell body 4 is equipped with the rubber pad, can provide the protection to lithium cell body 4 through the rubber pad, avoids lithium cell body 4 to receive the striking damage.
Working principle: through the rotation of the propeller 11, cooling liquid can enter the inside of the heat dissipation cavity of the heat dissipation box 3, so that heat dissipation is carried out on the lithium battery body 4, the situation that the temperature of a lithium battery in charging is too high is avoided, the cooling liquid after cooling the lithium battery body 4 can enter the heat dissipation tube 2, and the cooling liquid can dissipate heat in the spiral heat dissipation tube 2 along with the reentry of the heat dissipation tube 2 into the support tube 15, so that the cooling liquid can be recycled conveniently, and the lithium battery body 2 is sufficiently cooled;
the driving motor 13 is convenient for driving the propeller 11 to rotate, so that the cooling liquid circularly flows, the heat dissipation of the device is carried out, the rotation of the rotating shaft 12 can drive the impeller 10 to rotate, the impeller 10 rotates the cooling liquid to generate centrifugal force, the cooling liquid is convenient to scatter around, the lithium battery body 4 is comprehensively cooled, and the circulation of the cooling liquid is convenient;
the contact piece 8 is convenient to connect with the pin 6 through the copper column 7, so that the lithium battery body 4 is convenient to access a circuit;
the fixing of the lithium battery body 4 is facilitated through the partition plate 5, so that the stability of the lithium battery body 4 is improved;
the lithium battery body 4 can be protected through the rubber pad, and the lithium battery body 4 is prevented from being impacted and damaged.
Example 2
Referring to fig. 3, in this embodiment, compared with embodiment 1, in order to increase the practicability of the device, a flame-retardant cotton 16 is disposed inside the housing 1, and the device is protected by the flame-retardant cotton 16, so as to avoid the device from burning and exploding to damage electric equipment.
Working principle: through the rotation of the propeller 11, cooling liquid can enter the inside of the heat dissipation cavity of the heat dissipation box 3, so that heat dissipation is carried out on the lithium battery body 4, the situation that the temperature of a lithium battery in charging is too high is avoided, the cooling liquid after cooling the lithium battery body 4 can enter the heat dissipation tube 2, and the cooling liquid can dissipate heat in the spiral heat dissipation tube 2 along with the reentry of the heat dissipation tube 2 into the support tube 15, so that the cooling liquid can be recycled conveniently, and the lithium battery body 2 is sufficiently cooled;
the driving motor 13 is convenient for driving the propeller 11 to rotate, so that the cooling liquid circularly flows, the heat dissipation of the device is carried out, the rotation of the rotating shaft 12 can drive the impeller 10 to rotate, the impeller 10 rotates the cooling liquid to generate centrifugal force, the cooling liquid is convenient to scatter around, the lithium battery body 4 is comprehensively cooled, and the circulation of the cooling liquid is convenient;
the contact piece 8 is convenient to connect with the pin 6 through the copper column 7, so that the lithium battery body 4 is convenient to access a circuit;
the fixing of the lithium battery body 4 is facilitated through the partition plate 5, so that the stability of the lithium battery body 4 is improved;
the lithium battery body 4 can be protected through the rubber pad, so that the lithium battery body 4 is prevented from being impacted and damaged;
the device is protected through the flame-retardant cotton 16, so that the device is prevented from being burnt and exploded to damage electric equipment.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (7)
1. The utility model provides a possess lithium cell of temperature overheat protection, includes shell (1), its characterized in that, the inside of shell (1) is equipped with heat dissipation case (3), the inside of heat dissipation case (3) is equipped with lithium cell body (4), the heat dissipation cavity has been seted up to the inner wall of heat dissipation case (3), and the inside of heat dissipation cavity is equipped with the coolant liquid, one side of heat dissipation case (3) is equipped with cooling tube (2), cooling tube (2) spiral winding in the outside of shell (1), the bottom of heat dissipation case (3) is equipped with support cylinder (15), the one end of cooling tube (2) extends to the inside of support cylinder (15), the inside of support cylinder (15) is equipped with fixed section of thick bamboo (14), the inside of fixed section of thick bamboo (14) is equipped with screw (11).
2. The lithium battery with the temperature overheat protection according to claim 1, wherein a fixing box (9) is adhered to the bottom of the casing (1), a driving motor (13) is arranged in the fixing box (9), a rotating shaft (12) is welded at the top end of an output shaft of the driving motor (13), the rotating shaft (12) penetrates through the supporting cylinder (15), and the propeller (11) is mounted outside the rotating shaft (12).
3. The lithium battery with the temperature overheat protection according to claim 2, wherein the heat dissipation box (3) is provided with a first opening at the bottom of the heat dissipation cavity, the fixing cylinder (14) is adhered to the heat dissipation box (3) at the first opening, and the impeller (10) is fixedly connected to the top of the rotating shaft (12).
4. The lithium battery with the temperature overheat protection according to claim 1, wherein a pin (6) is arranged at the top of the lithium battery body (4), a contact piece (8) is arranged at the top of the shell (1), and a copper column (7) is welded between the contact piece (8) and the pin (6).
5. The lithium battery with the temperature overheat protection according to claim 1, wherein a separator (5) is fixedly connected to the inside of the housing (1), and the lithium battery body (4) is located at the bottom of the separator (5).
6. The lithium battery with temperature overheat protection according to claim 1, wherein a rubber pad is arranged outside the lithium battery body (4).
7. Lithium battery with temperature overheat protection according to claim 1, characterized in that the inside of the housing (1) is provided with flame retardant cotton (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320577628.2U CN219959129U (en) | 2023-03-22 | 2023-03-22 | Lithium battery with temperature overheat protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320577628.2U CN219959129U (en) | 2023-03-22 | 2023-03-22 | Lithium battery with temperature overheat protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219959129U true CN219959129U (en) | 2023-11-03 |
Family
ID=88539643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320577628.2U Active CN219959129U (en) | 2023-03-22 | 2023-03-22 | Lithium battery with temperature overheat protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219959129U (en) |
-
2023
- 2023-03-22 CN CN202320577628.2U patent/CN219959129U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |