CN120565926A - A low-temperature, high-rate polymer lithium-ion battery adaptive thermal management device - Google Patents
A low-temperature, high-rate polymer lithium-ion battery adaptive thermal management deviceInfo
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- CN120565926A CN120565926A CN202511003544.8A CN202511003544A CN120565926A CN 120565926 A CN120565926 A CN 120565926A CN 202511003544 A CN202511003544 A CN 202511003544A CN 120565926 A CN120565926 A CN 120565926A
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- ion battery
- lithium ion
- polymer lithium
- battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
- H01M10/6571—Resistive heaters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
本发明涉及电池热管理技术领域，特别涉及一种低温高倍率聚合物锂离子电池自适应热管理装置，包括有电池盒、电池盖、温控弹簧和密闭板等；电池盒上拆卸式连接有电池盖；电池盒上开有若干个散热通槽；每个散热通槽的上方和下方分别设置有若干个温控弹簧；电池盒上开有若干个凹槽，每个温控弹簧分别位于一个凹槽内；同一侧的两个温控弹簧共同固接有一个密闭板；每个密闭板均与电池盒滑动连接。本发明通过温控弹簧，根据外界环境，自适应的对电池舱室进行开合，以恢复或维持电池容量性能，无需设置电子传感器降低了故障点（传感器老化），从而降低维护成本。
The present invention relates to the field of battery thermal management technology, and in particular to an adaptive thermal management device for a low-temperature, high-rate polymer lithium-ion battery, comprising a battery box, a battery cover, a temperature control spring, and a sealing plate. The device comprises a battery box with a detachable battery cover, a plurality of heat dissipation slots, a plurality of temperature control springs disposed above and below each heat dissipation slot, a plurality of grooves disposed on the battery box, and a plurality of temperature control springs disposed within each groove. Two temperature control springs on the same side are fixedly connected to a sealing plate, and each sealing plate is slidably connected to the battery box. The present invention uses temperature control springs to adaptively open and close the battery compartment according to the external environment to restore or maintain battery capacity performance. The device eliminates the need for electronic sensors, reduces failure points (sensor aging), and thus reduces maintenance costs.
Description
Technical Field
The invention relates to the technical field of battery thermal management, in particular to a self-adaptive thermal management device of a low-temperature high-magnification polymer lithium ion battery.
Background
In addition, a part of active temperature control scheme depends on an electronic sensor, such as a Chinese patent CN209401803U, discloses an unmanned power battery heat insulation structure, which divides a current from a power battery to supply power to a heating plate, places thermocouples at three different points on the battery to collect temperature, transmits data to a temperature control plate, controls the temperature of the battery in a normal working range, and increases a fault point (sensor aging) due to the introduction of multiple thermocouples, the temperature control plate and a matched circuit.
Disclosure of Invention
In order to overcome the defect that an active temperature control scheme depends on an electronic sensor, a fault point (sensor aging) is increased due to the introduction of multiple thermocouples, a temperature control plate and a matched circuit, and the maintenance cost is increased, the invention provides a self-adaptive thermal management device for a low-temperature high-magnification polymer lithium ion battery.
The technical scheme is that the self-adaptive heat management device of the low-temperature high-magnification polymer lithium ion battery comprises a battery box and a battery cover, wherein the battery box is detachably connected with the battery cover, a plurality of heat dissipation through grooves are formed in the battery box, the self-adaptive heat management device further comprises temperature control springs, a sealing plate and heat conduction metal plates, a plurality of temperature control springs are respectively arranged above and below each heat dissipation through groove, a plurality of grooves are formed in the battery box, each temperature control spring is respectively located in one groove, two temperature control springs on the same side are fixedly connected with one sealing plate together, each sealing plate is in sliding connection with the battery box, a plurality of heat conduction metal plates are fixedly connected onto the battery box, and each heat conduction metal plate is in contact with one temperature control spring.
As a preferable technical scheme of the invention, the inner side of the battery box is provided with heat preservation cotton.
As a preferable technical scheme of the invention, the battery cover is provided with a holding groove.
As a preferable technical scheme of the invention, the heat dissipation through groove is provided with a filter screen.
As a preferable technical scheme of the invention, the groove is provided with a filter screen.
As a preferable technical scheme, each heat-conducting metal plate is provided with a containing groove, each temperature control spring is positioned in one containing groove, and the temperature control springs are in contact with the inner wall of the containing groove.
As a preferable technical scheme of the invention, the inner wall of the accommodating groove is smooth.
The heat-conducting metal plate comprises a temperature control spring, a heat insulation cloth, two deformation parts and a heat insulation plate, wherein the temperature control spring is arranged on one side of the heat-conducting metal plate, the deformation parts are arranged on the other side of the heat-conducting metal plate, the heat insulation cloth is arranged on the other side of the heat-conducting metal plate, the two ends of the heat insulation cloth are in contact with the deformation parts, and a gap exists between the middle part of the heat insulation cloth and the deformation parts.
The invention also comprises an electric heating plate, air bags, sliding plates, pneumatic telescopic rods and control switches, wherein each air bag is fixedly connected with one air bag respectively, each air bag is communicated with a plurality of pneumatic telescopic rods respectively, the telescopic ends of all the pneumatic telescopic rods on the same sealing plate are fixedly connected with one electric heating plate, each sealing plate is fixedly connected with one control switch respectively, the control switches are used for controlling a battery to supply power to the electric heating plate, a triggering part of each control switch is fixedly connected with the electric heating plate, each sealing plate is connected with one sliding plate in a sliding way respectively, and each sliding plate is contacted with the corresponding air bag respectively.
As a preferable technical scheme of the invention, the electric heating plate is electrically connected with the high-temperature high-rate polymer lithium ion battery.
The invention has the beneficial effects that 1, the battery cabin is opened and closed in a self-adaptive way according to the external environment through the temperature control spring, so that the capacity performance of the battery is recovered or maintained, an electronic sensor is not required to be arranged, the fault point (sensor aging) is reduced, and the maintenance cost is reduced.
2. When the low-temperature high-rate polymer lithium ion battery is overheated, the temperature of the surface of the low-temperature high-rate polymer lithium ion battery can be increased to be higher than 60 ℃, and the heat conduction metal plate transfers the heat of the surface of the low-temperature high-rate polymer lithium ion battery to the temperature control spring, so that the temperature of the temperature control spring is increased to shrink, the sealing plate is retracted into the battery box, the heat dissipation through groove is opened, and the low-temperature high-rate polymer lithium ion battery is convenient to dissipate heat.
3. The invention controls the low-temperature high-magnification polymer lithium ion battery to electrify the electric heating plate through the automatic triggering control switch for the movement of the electric heating plate, so that the electric heating plate generates heat to heat the surface of the low-temperature high-magnification polymer lithium ion battery, and the temperature of the low-temperature high-magnification polymer lithium ion battery is further improved to further recover or improve the capacity of the low-temperature high-magnification polymer lithium ion battery.
Drawings
FIG. 1 is a schematic perspective view of a low temperature high rate polymer lithium ion battery adaptive thermal management device according to the present invention;
FIG. 2 is a schematic diagram of a battery case perspective structure of the low-temperature high-magnification polymer lithium ion battery self-adaptive thermal management device of the invention;
FIG. 3 is a schematic perspective view of a temperature control spring and a sealing plate of the low-temperature high-magnification polymer lithium ion battery self-adaptive thermal management device;
FIG. 4 is a schematic perspective view of a heat conductive metal plate of the low-temperature high-magnification polymer lithium ion battery self-adaptive thermal management device of the invention;
FIG. 5 is a schematic perspective view of an electrical heating plate, an air bag, a sliding plate and a pneumatic telescopic rod of the low-temperature high-magnification polymer lithium ion battery self-adaptive thermal management device;
Fig. 6 is a schematic diagram of the three-dimensional structure of an electric heating plate, a sliding plate and a pneumatic telescopic rod of the low-temperature high-magnification polymer lithium ion battery self-adaptive thermal management device.
The solar cell comprises a 1-cell box, a 101-heat dissipation through groove, a 102-groove, a 2-cell cover, a 3-temperature control spring, a 4-sealing plate, a 21-electric heating plate, a 22-air bag, a 23-sliding plate, a 24-pneumatic telescopic rod, a 25-control switch, a 31-heat conduction metal plate, a 3101-accommodating groove, a 3102-deformation part and 32-heat insulation cloth.
Detailed Description
The invention will now be described in more detail with reference to the drawings and specific examples, which are not intended to limit the invention thereto.
The embodiment 1 is a self-adaptive heat management device of a low-temperature high-magnification polymer lithium ion battery, which is shown in fig. 1-6, and comprises a battery box 1 and a battery cover 2, wherein the battery box 1 is detachably connected with the battery cover 2, and four heat dissipation through grooves 101 are formed in the battery box 1;
The battery box 1 is provided with a plurality of grooves 102, each temperature control spring 3 is respectively positioned in one groove 102, two temperature control springs 3 on the same side are fixedly connected with one sealing plate 4, each sealing plate 4 is in sliding connection with the battery box 1, a plurality of heat conduction metal plates 31 are fixedly connected to the battery box 1, and each heat conduction metal plate 31 is in contact with one temperature control spring 3.
In order to improve the heat preservation performance of the low-temperature high-magnification polymer lithium ion battery, the inner side of the battery box 1 is provided with heat preservation cotton.
In order to facilitate manual disassembly and installation of the battery cover 2, a holding groove is formed in the battery cover 2.
In order to prevent dust from entering the battery box 1 through the heat dissipation through groove 101, a filter screen is arranged on the heat dissipation through groove 101.
In order to prevent dust and impurities from contacting the temperature control spring 3 through the groove 102 and affecting the heat dissipation capacity and the heat absorption capacity of the temperature control spring 3, a filter screen is arranged on the groove 102.
In order to improve the contact surface with the temperature control springs 3 and thus improve the heat conduction efficiency, each heat conduction metal plate 31 is provided with a containing groove 3101, each temperature control spring 3 is positioned in one containing groove 3101, and the temperature control springs 3 are contacted with the inner wall of the containing groove 3101.
In order to reduce the friction force between the accommodating groove 3101 and the temperature control spring 3, thereby avoiding affecting the expansion and contraction of the temperature control spring 3, the inner wall of the accommodating groove 3101 is provided with smoothness.
The heat-conducting metal plate heat-insulating device further comprises heat-insulating cloth 32, two deformation parts 3102 are arranged on each heat-conducting metal plate 31, the heat-insulating cloth 32 is arranged on one side, away from the temperature control springs 3, of each deformation part 3102, two ends of the heat-insulating cloth 32 are in contact with the deformation parts 3102, and gaps exist between the middle of the heat-insulating cloth 32 and the deformation parts 3102.
The side of the battery case 1 is referred to as the front side and the side of the battery cover 2 is referred to as the rear side with reference to the view of fig. 1.
Taking the situation when the unmanned aerial vehicle battery climbs from a high-temperature ground environment (such as 40 ℃) to a low-temperature high-altitude environment (-40 ℃), when the unmanned aerial vehicle battery pack is used, the battery pack 1 is installed on the unmanned aerial vehicle, then the battery cover 2 is detached, the charged low-temperature high-multiplying power polymer lithium ion battery is put into the battery pack 1, and then the battery cover 2 is installed back into the battery pack 1; when the heat dissipation device is used, heat of the low-temperature high-rate polymer lithium ion battery is dissipated to the external environment through the heat dissipation through groove 101 to ensure normal operation of the low-temperature high-rate polymer lithium ion battery, the heat dissipation through groove 101 is in an open state under normal temperature (about 25 ℃) and high temperature (higher than 25 ℃) environments to facilitate heat dissipation of the low-temperature high-rate polymer lithium ion battery, when an unmanned aerial vehicle flies to a low temperature (-40 ℃) environment state, for example, the unmanned aerial vehicle takes off from the ground high-temperature environment and climbs to a high-altitude low-temperature space, the temperature control spring 3 stretches and lengthens to drive the sealing plate 4 to move, the sealing plate 4 above and below the heat dissipation through groove 101 moves towards each other until contacting each other, so that the heat dissipation through groove 101 is sealed, heat dissipation generated by the operation of the low-temperature high-rate polymer lithium ion battery is reduced, the low-temperature high-rate polymer lithium ion battery is in a relatively high-temperature environment to recover or promote the capacity of the low-temperature high-rate polymer lithium ion battery, the accurate triggering device is required to trigger the high-temperature control spring 3, the high-rate lithium ion battery is provided with a plurality of grooves 102 in order to enable the high-temperature control spring 3 to be in order to contact with each external environment, according to the external environment, the self-adaptive unmanned aerial vehicle battery cabin is opened and closed to recover or maintain the capacity performance of the battery, and an electronic sensor is not required to be arranged, so that a fault point (sensor aging) is reduced, and the maintenance cost is reduced. The temperature control spring 3 is a shape memory alloy spring, and can enable the alloy to "memorize" two forms at high and low temperatures through a specific training process (such as repeated heating/cooling and mechanical constraint), so as to realize high-temperature shrinkage and low-temperature expansion.
It should be noted that, when the unmanned aerial vehicle flies back to the normal temperature (about 25 ℃) environment or the high temperature (higher than 25 ℃) environment, the temperature control spring 3 contracts and resets, so that the sealing plate 4 retracts into the battery case 1, so that the heat dissipation through groove 101 is opened, thereby facilitating heat dissipation of the battery.
When the unmanned aerial vehicle performs high-rate discharge in a low-temperature environment, chemical reaction inside the low-temperature high-rate polymer lithium ion battery is aggravated, heat accumulation can cause overheating of the low-temperature high-rate polymer lithium ion battery, and at this time, the heat dissipation through groove 101 needs to be opened so as to facilitate heat dissipation of the low-temperature high-rate polymer lithium ion battery; therefore, a heat conducting metal plate 31 is arranged, when a low-temperature high-rate polymer lithium ion battery is put into a battery box 1, the heat conducting metal plate 31 is in contact with the surface of the low-temperature high-rate polymer lithium ion battery, when the low-temperature high-rate polymer lithium ion battery is overheated, the temperature of the surface of the low-temperature high-rate polymer lithium ion battery is increased to be higher than 60 ℃, the heat conducting metal plate 31 transfers the heat of the surface of the low-temperature high-rate polymer lithium ion battery to a temperature control spring 3, so that the temperature control spring 3 is increased to shrink, the sealing plate 4 is retracted into the battery box 1, the heat radiating through groove 101 is opened, thereby facilitating the heat radiation of the low-temperature high-rate polymer lithium ion battery, the heat conducting metal plate 31 adopts a metal material with a high thermal expansion coefficient, after the heat conducting metal plate 31 is heated by the surface of the low-temperature high-rate polymer lithium ion battery, two deformation parts 3102 are expanded and become longer, the two deformation parts 3102 are expanded and are mutually close to each other, the temperature control spring 3 is enclosed, thereby the heat effect of the heat conducting metal plate 31 on the temperature control spring 3 is prevented from being influenced by the low-temperature environment, and the heat conducting metal plate 31 is required to be retracted into the heat insulating part, and the heat insulating part is also required to be contacted with the two deformation parts 31032, the heat insulating part is arranged at the two ends of the heat insulating part 3, and is contacted with the heat insulating part 31032, and is contacted with the heat insulating part, and the heat insulating part 31032, in this way, the deformation portion 3102 is isolated from the external environment by the heat insulating cloth 32, and the influence of the external low-temperature environment on the heating effect of the deformation portion 3102 on the temperature-controlled spring 3 is avoided.
Embodiment 2, on the basis of embodiment 1, as shown in fig. 1-6, the device further comprises an electric heating plate 21, air bags 22, sliding plates 23, pneumatic telescopic rods 24 and a control switch 25, wherein each air bag 22 is fixedly connected with each sealing plate 4, each air bag 22 is respectively communicated with two pneumatic telescopic rods 24, the telescopic ends of all the pneumatic telescopic rods 24 on the same sealing plate 4 are fixedly connected with the electric heating plate 21, each sealing plate 4 is fixedly connected with the control switch 25, the control switch 25 is used for controlling a battery to supply power to the electric heating plate 21, a triggering part of the control switch 25 is fixedly connected with the electric heating plate 21, each sealing plate 4 is respectively and slidably connected with the sliding plate 23, and each sliding plate 23 is respectively contacted with the corresponding air bag 22.
In order to lighten the battery and realize the integrated design, the electric heating plate 21 is electrically connected with the low-temperature high-rate polymer lithium ion battery.
The heat dissipation through groove 101 is characterized in that when the airtight plates 4 above and below the heat dissipation through groove 101 move in opposite directions until the airtight plates 4 are contacted with each other, the sliding plates 23 in the airtight plates 4 move along with the movement, after the two sliding plates 23 are contacted with each other, the corresponding air bags 22 are compressed, part of air is input into the pneumatic telescopic rods 24 after the air bags 22 are compressed, the telescopic ends of the pneumatic telescopic rods 24 drive the electric heating plates 21 to move towards the low-temperature high-rate polymer lithium ion battery until the electric heating plates are contacted with the surface of the low-temperature high-rate polymer lithium ion battery, the electric heating plates 21 are electrically connected with the low-temperature high-rate polymer lithium ion battery in advance, when the electric heating plates 21 move, the trigger part of the control switch 25 is pulled at the same time, so that after the electric heating plates 21 are contacted with the low-temperature high-rate polymer lithium ion battery, the control switch 25 controls the low-temperature high-rate polymer lithium ion battery to electrify the electric heating plates 21, so that the electric heating plates 21 generate heat to heat, the surfaces of the low-temperature high-rate polymer lithium ion battery are heated, the low-temperature high-rate polymer lithium ion battery is further improved, the temperature of the low-temperature high-rate polymer lithium ion battery is restored or the low-temperature high-rate polymer lithium ion battery is further, the high-temperature high-rate polymer lithium ion battery is restored or the low-temperature high-rate polymer lithium ion battery is prevented from being influenced by the heat.
It should be noted that when the temperature of the low-temperature high-rate polymer lithium ion battery is overheated, the heat conducting metal plate 31 transfers the heat on the surface of the low-temperature high-rate polymer lithium ion battery to the temperature control spring 3, so that the temperature of the temperature control spring 3 is increased to shrink, the sealing plate 4 is retracted into the battery box 1, the heat dissipation through groove 101 is opened, thereby facilitating the heat dissipation of the high-rate polymer lithium ion battery, meanwhile, after the sealing plate 4 is retracted into the battery box 1, the air bag 22 is not compressed any more, the air bag 22 is rebounded and restored under the action of the elasticity of the air bag 22, the gas in the pneumatic telescopic rod 24 is extracted, the electric heating plate 21 moves to be separated from the low-temperature high-rate polymer lithium ion battery, and the control switch 25 controls the low-temperature high-rate polymer lithium ion battery to not heat the electric heating plate 21 any more, so that the electric quantity waste is avoided.
While the application has been described in detail and with reference to specific examples thereof, the principles and embodiments of the application are described herein, and the above examples are provided to assist in understanding the method and core concepts of the application, and further, to those skilled in the art, in light of the teachings of the application, the application should not be construed as limited in scope to the specific embodiments and applications described herein.
Claims (10)
1. The self-adaptive heat management device of the low-temperature high-magnification polymer lithium ion battery comprises a battery box (1) and a battery cover (2), wherein the battery cover (2) is detachably connected to the battery box (1), a plurality of heat dissipation through grooves (101) are formed in the battery box (1), the self-adaptive heat management device is characterized by further comprising temperature control springs (3), sealing plates (4) and heat conduction metal plates (31), a plurality of temperature control springs (3) are respectively arranged above and below each heat dissipation through groove (101), a plurality of grooves (102) are formed in the battery box (1), each temperature control spring (3) is respectively located in one groove (102), one sealing plate (4) is fixedly connected to the two temperature control springs (3) on the same side together, each sealing plate (4) is in sliding connection with the battery box (1), a plurality of heat conduction metal plates (31) are fixedly connected to the battery box (1), and each heat conduction metal plate (31) is in contact with one temperature control spring (3).
2. The self-adaptive heat management device of the low-temperature high-magnification polymer lithium ion battery, which is disclosed in claim 1, is characterized in that heat preservation cotton is arranged on the inner side of the battery box (1).
3. The self-adaptive heat management device for the low-temperature high-magnification polymer lithium ion battery, which is disclosed in claim 1, is characterized in that a holding groove is formed in the battery cover (2).
4. The self-adaptive heat management device for the low-temperature high-magnification polymer lithium ion battery, which is disclosed in claim 1, is characterized in that a filter screen is arranged on the heat dissipation through groove (101).
5. The self-adaptive heat management device of the low-temperature high-magnification polymer lithium ion battery according to claim 1, wherein a filter screen is arranged on the groove (102).
6. The self-adaptive thermal management device for the low-temperature high-magnification polymer lithium ion battery according to claim 1, wherein each heat conducting metal plate (31) is provided with a containing groove (3101), and the temperature control spring (3) is arranged in the containing groove (3101) and is in contact with the inner wall.
7. The self-adaptive thermal management device for a low-temperature high-magnification polymer lithium ion battery according to claim 6, wherein the inner wall of the accommodating groove (3101) is smooth.
8. The self-adaptive heat management device of the low-temperature high-magnification polymer lithium ion battery, which is disclosed in claim 1, is characterized by further comprising heat insulation cloth (32), wherein each heat conduction metal plate (31) is provided with two deformation parts (3102), one side of each deformation part (3102) far away from the temperature control spring (3) is provided with heat insulation cloth (32), two ends of the heat insulation cloth (32) are fixed on the deformation parts (3102), and the middle part of the heat insulation cloth is suspended.
9. The self-adaptive heat management device of the low-temperature high-magnification polymer lithium ion battery is characterized by further comprising an electric heating plate (21), air bags (22), sliding plates (23), pneumatic telescopic rods (24) and control switches (25), wherein each air bag (22) is fixedly connected with each sealing plate (4), a plurality of pneumatic telescopic rods (24) are respectively communicated with each air bag (22), each electric heating plate (21) is fixedly connected with telescopic ends of all the pneumatic telescopic rods (24) on the same sealing plate (4), each sealing plate (4) is fixedly connected with a control switch (25), a power supply for switching on and off the electric heating plate (21), a triggering part of each control switch (25) is fixedly connected with the electric heating plate (21), each sliding plate (23) is respectively connected with each sealing plate (4) in a sliding mode, and each sliding plate (23) is respectively contacted with the corresponding air bag (22).
10. The self-adaptive heat management device for the low-temperature high-magnification polymer lithium ion battery according to claim 9, wherein the electric heating plate (21) is electrically connected with the high-temperature high-magnification polymer lithium ion battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511003544.8A CN120565926B (en) | 2025-07-21 | 2025-07-21 | Self-adaptive thermal management device for low-temperature high-magnification polymer lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511003544.8A CN120565926B (en) | 2025-07-21 | 2025-07-21 | Self-adaptive thermal management device for low-temperature high-magnification polymer lithium ion battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016192052A1 (en) * | 2015-06-03 | 2016-12-08 | 深圳市协展电子有限公司 | Battery assembly, temperature control method for battery assembly and vehicle thereof |
| CN106410302A (en) * | 2016-12-02 | 2017-02-15 | 天津四洋新能源科技有限公司 | High-and-low-temperature-controllable power lithium ion battery device |
| KR101975274B1 (en) * | 2017-12-28 | 2019-05-07 | 주식회사 경일그린텍 | Solar module |
| CN216311905U (en) * | 2021-11-12 | 2022-04-15 | 深圳市西盟特电子有限公司 | Battery heat conduction device and battery equipment |
| CN116512900A (en) * | 2023-03-29 | 2023-08-01 | 北京理工大学 | Memory alloy spring type self-adaptive temperature thermal management structure |
| CN116632428A (en) * | 2023-06-16 | 2023-08-22 | 广州市型腔模具制造有限公司 | New energy automobile battery tray and integrated molding casting method |
| CN120089844A (en) * | 2025-02-24 | 2025-06-03 | 西安航空职业技术学院 | A high-safety lithium battery pack for new energy vehicles |
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| WO2016192052A1 (en) * | 2015-06-03 | 2016-12-08 | 深圳市协展电子有限公司 | Battery assembly, temperature control method for battery assembly and vehicle thereof |
| CN106410302A (en) * | 2016-12-02 | 2017-02-15 | 天津四洋新能源科技有限公司 | High-and-low-temperature-controllable power lithium ion battery device |
| KR101975274B1 (en) * | 2017-12-28 | 2019-05-07 | 주식회사 경일그린텍 | Solar module |
| CN216311905U (en) * | 2021-11-12 | 2022-04-15 | 深圳市西盟特电子有限公司 | Battery heat conduction device and battery equipment |
| CN116512900A (en) * | 2023-03-29 | 2023-08-01 | 北京理工大学 | Memory alloy spring type self-adaptive temperature thermal management structure |
| CN116632428A (en) * | 2023-06-16 | 2023-08-22 | 广州市型腔模具制造有限公司 | New energy automobile battery tray and integrated molding casting method |
| CN120089844A (en) * | 2025-02-24 | 2025-06-03 | 西安航空职业技术学院 | A high-safety lithium battery pack for new energy vehicles |
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| CN120565926B (en) | 2025-12-09 |
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