CN113782864A - Heating and refrigerating device for battery and battery temperature management system - Google Patents
Heating and refrigerating device for battery and battery temperature management system Download PDFInfo
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- CN113782864A CN113782864A CN202110903015.9A CN202110903015A CN113782864A CN 113782864 A CN113782864 A CN 113782864A CN 202110903015 A CN202110903015 A CN 202110903015A CN 113782864 A CN113782864 A CN 113782864A
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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
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
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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
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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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
- H01M10/6552—Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes
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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
- H01M10/6555—Rods or plates arranged between the cells
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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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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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
- H01M10/6572—Peltier elements or thermoelectric devices
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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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
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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
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
- H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
- H01M50/231—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks having a layered structure
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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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
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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
Abstract
The invention provides a heating and refrigerating device for a battery and a battery temperature management system, which belong to the technical field of energy storage batteries. The invention can heat or refrigerate according to the actual environment temperature and the temperature of the battery, and is matched with different battery boxes, so that the sealing of the battery compartment can be realized at the same time, the problems of dust prevention, water prevention, condensation and the like are solved, and the requirement of short-time work can be realized through heat preservation, thereby achieving the purpose of energy conservation.
Description
Technical Field
The invention belongs to the technical field of energy storage batteries, relates to a temperature adjusting technology of an energy storage battery, and particularly relates to a heating and refrigerating device for a battery and a battery temperature management system.
Background
At present, the development of the energy storage industry is greatly promoted by the state, the battery is the core of the energy storage industry, and the quality of the temperature management of the energy storage battery in the working process of the energy storage battery is a key factor directly influencing the safety and the reliability of the whole energy storage device.
Patent CN103715473A discloses a power battery thermal management device, which is a battery cooling scheme combining a heat pipe, a semiconductor cooling/heating component and a liquid circulation device, wherein the heat pipe is connected with the liquid circulation device, the liquid circulation device transfers heat to the semiconductor cooling/heating component, and the heat is dissipated by the semiconductor cooling/heating component; the scheme has the advantages of complex structure, inconvenient maintenance and high cost.
Patent CN207602734U discloses a power battery heat management device, its battery box be the monomer barrel, soaks the battery in paraffin when using, uses heat pipe heating semiconductor refrigeration/heating element to carry out supplementary heat dissipation simultaneously, and cabinet body inside disposes heat preservation and flame retardant coating. The scheme is that the heat pipe is inserted into the phase-change material, and the semiconductor refrigeration/heating assembly is used for refrigerating the phase-change material, so that the battery is cooled indirectly. Because the latent heat of the phase-change temperature point of the phase-change material is very large, the semiconductor refrigerating/heating assembly needs to work for a long time to dissipate the heat absorbed by the phase-change material, so that the energy consumption is high, and meanwhile, the operation life of the semiconductor refrigerating/heating assembly is influenced to a certain extent.
The patent CN109841927A is suitable for a thermal management device for a power battery of an electric vehicle in a severe cold region, and the thermal management device is a battery placing part for placing a battery in an insulation box, and a heat absorbing part and a battery temperature detecting element of a cooling device are attached to the battery; when the battery temperature detection element detects that the temperature of the battery is too high during working, the cooling device is started to start cooling, the heat absorption part of the cooling device absorbs heat and transmits waste heat to the heat dissipation part, and then the heat dissipation part volatilizes the waste heat to the outside of the heat insulation box body; when the battery temperature detection element works, the battery temperature detection element detects that the temperature of the battery is too low, the cooling work is stopped, and heat generated by continuous heating of the battery is accumulated in the heat preservation box body. The structure only keeps warm by the heat preservation box body when the external temperature is too low, particularly in a severe cold area, if the battery does not continuously work, the box body and the external temperature are the same, therefore, the problem that the temperature of the battery is too high is only solved, the problem that the battery cannot normally work when the temperature is low or the battery does not continuously work cannot be solved, the scheme is only aimed at the heat management of the power battery, and the management mode is completely inapplicable to the energy storage battery.
Most energy storage batteries in the current market are of an integrated structure, namely a plurality of battery cores are placed together in a centralized mode, the integrated structure causes the heat dissipation of the batteries and control components in the energy storage cabinet to be a main problem, and the existing cooling modes are mostly liquid cooling, air cooling and the like; from the analysis, on one hand, the liquid cooling has high cost, and the external arrangement is needed to realize the circulation of the cooling liquid, so that the volume of the equipment is increased, and on the other hand, the hidden trouble of short circuit exists if the cooling liquid leaks during the liquid cooling; air cooling has the problems of dust prevention, water prevention, condensation and the like, and the later maintenance cost is high; if under extreme cold environmental condition, still consider to be equipped with firing equipment for heating in the energy storage cabinet, just can make energy storage battery normal work, but current energy storage battery thermal insulation performance is poor, and the heat that the heating produced gives off very easily, leads to the heating efficiency low.
Disclosure of Invention
The invention provides a heating and refrigerating device for a battery and a battery temperature management system with double functions of heating and refrigerating, aiming at the problems that the existing energy storage battery is poor in heat preservation performance, heat generated by heating is easy to dissipate, heat conduction efficiency is low, and dust and condensation exist.
The heating and refrigerating device for the battery is characterized in that a heat pipe is embedded on a heat conducting substrate (22); the semiconductor refrigerating/heating component is used for heating or refrigerating the semiconductor refrigerating/heating component.
The battery temperature management system with the heating and refrigerating functions is characterized in that a battery pack is arranged in a box body, a heat-insulating interlayer is arranged between an outer box body and an inner box body of the box body, and heat insulation is realized through the heat-insulating interlayer, so that heat dissipation during heating is prevented; meanwhile, the box body can prevent dust and moisture from entering the battery pack, so that the aims of dust prevention, water prevention and condensation prevention are fulfilled; the specific technical scheme is as follows:
a heating and refrigerating device for a battery comprises a semiconductor refrigerating/heating component (1) and a heat conducting plate (2) connected with the semiconductor refrigerating/heating component (1); heat-conducting plate (2) include heat pipe (21) and heat conduction base plate (22), and heat conduction base plate (22) include first heat-conducting plate and second heat-conducting plate, and first heat-conducting plate sets up in one side of second heat-conducting plate, forms less than or equal to 90 contained angle with the second heat-conducting plate, heat pipe (21) set up or set up along a side surface of first heat-conducting plate along the surface setting of first heat-conducting plate and second heat-conducting plate, the opposite side surface of second heat-conducting plate is connected with semiconductor refrigeration heating element (1).
Further, the first heat conducting plate and the second heat conducting plate are connected in a T shape or an L shape.
Further, the heat pipe (21) is in a T-shaped or L-shaped structure.
A battery temperature management system with dual functions of heating and refrigerating comprises a box body (4), a battery pack (3) arranged in an inner cavity of the box body (4) and a heating and refrigerating device for the battery, wherein the heating and refrigerating device for the battery heats or refrigerates the battery pack (3).
Further limiting, the box body (4) comprises an outer box body (41) and an inner box body (43), the inner box body (43) is connected with the outer box body (41) and is arranged in an inner cavity of the outer box body (41), and a heat preservation interlayer (42) is arranged between the inner box body (43) and the outer box body (41); the battery pack (3) is packaged in the inner box body (43).
Further, the first heat conduction plate of the heating and refrigerating device for the battery extends to a gap between the battery packs (3) of the inner box body (43) through the top of the inner box body (43) or is arranged on the outer wall of the battery packs (3) in an abutting mode.
Further define, semiconductor refrigeration/heating subassembly (1) of heating refrigerating plant for battery includes semiconductor refrigeration piece (12), fin (13) and radiator fan (14), semiconductor refrigeration piece (12) are connected with the second heat-conducting plate, semiconductor refrigeration piece (12) carry out the heat exchange through the second heat-conducting plate of heat absorption or heat release with heat conduction base plate (22), semiconductor refrigeration piece (12) are connected with radiator fan (14) through fin (13).
Further, the semiconductor refrigerating/heating assembly (1) further comprises a heat-conducting connecting plate (11), and the semiconductor refrigerating sheet (12) is connected with the second heat-conducting plate of the heat-conducting base plate (22) through the heat-conducting connecting plate (11).
Further, the heat conducting substrate (22) and the outer box body (41) and the heat conducting substrate (22) and the inner box body (43) are hermetically connected through sealing glue.
Compared with the prior art, the invention has the beneficial effects that:
1. the heating and refrigerating device for the battery is characterized in that a heat pipe is embedded on a heat conducting substrate; the semiconductor refrigeration/heating assembly is used for heating or refrigerating the semiconductor refrigeration/heating assembly, the heat conduction substrate is fully utilized to enlarge the cold and heat transfer area, the cold and heat transfer effect is improved, and the heat distribution is ensured to be uniform.
2. The invention relates to a battery temperature management system with dual functions of heating and refrigerating, which comprises a heating and refrigerating device for a battery, a box body and a battery pack, wherein the box body comprises an outer box body and an inner box body; the working principle is as follows: when the battery pack needs to dissipate heat, the heat generated by the work of the battery pack is transferred to the heating and refrigerating device for the battery, and the heat is transferred to the outside of the box body by the heating and refrigerating device for the battery to be dissipated; when the battery pack needs to be heated, the battery uses the heating and refrigerating device to generate heat and transfer the heat to the battery pack, the heat preservation interlayer preserves the heat of the inner cavity of the inner box body when the battery uses the heating and refrigerating device to heat the battery pack, so that the heat during heating is prevented from being quickly dissipated, and the heating efficiency is improved; the box body arranged on the outer side of the battery pack can also effectively prevent dust and moisture from adhering to the box body, and prevent the battery pack from dust and condensation. The invention can heat or refrigerate according to the actual environment temperature and the temperature of the battery, and is matched with different battery boxes, so that the battery compartment can be sealed at the same time, the problems of dust prevention, water prevention, condensation and the like are solved, the requirement of short-time work can be met at the same time through heat preservation, and the purpose of energy conservation is achieved.
3. The battery packs are arranged in parallel in the inner cavity of the inner box body, and the batteries are inserted between two adjacent battery packs by using a heating and refrigerating device; the invention can conveniently radiate or heat a plurality of groups of battery packs and is convenient to install.
4. The heat conducting plate comprises a heat pipe and a heat conducting substrate, and based on the bidirectional heat transfer principle of the heat pipe, when the battery pack needs to dissipate heat, the heat of the battery pack is transferred to the heat conducting substrate through the heat pipe, then transferred to the semiconductor refrigerating/heating assembly through the heat conducting substrate, and dissipated through the semiconductor refrigerating/heating assembly; when the battery pack needs to be heated, heat generated by the semiconductor refrigeration/heating assembly is transferred to the heat pipe through the heat conducting substrate and then transferred to the battery pack through the heat pipe for heating; the heat pipe is arranged on the heat conducting substrate, so that the uniformity of heat transfer to the battery pack can be improved.
5. The transverse part and the vertical part of the heat conduction substrate form a T-shaped structure or an inverted L-shaped structure, so that the heat conduction substrate can be conveniently installed, and meanwhile, the heat transfer area between the heat conduction substrate and the battery pack is increased.
6. The semiconductor refrigeration/heating assembly comprises a semiconductor refrigeration piece, a radiating fin and a radiating fan, wherein the semiconductor refrigeration piece is connected with the upper end face of the transverse part of the heat-conducting substrate, the semiconductor refrigeration piece exchanges heat with the heat-conducting substrate through heat absorption or heat release, the semiconductor refrigeration piece is based on the Peltier effect principle, when current flows through a node formed by two different conductors, heat release and heat absorption phenomena can be generated at the node, and the size of the heat release or heat absorption is determined by the size of the current; the control of the heat release process and the heat absorption process is realized, and the battery pack is ensured to work in a proper temperature range.
7. The semiconductor refrigerating/heating assembly further comprises a heat-conducting connecting plate, and the semiconductor refrigerating sheet is connected with the upper end face of the transverse portion of the heat-conducting base plate through the heat-conducting connecting plate. A plurality of semiconductor refrigeration pieces, radiating fins and cooling fans can be connected through the heat-conducting connecting plate according to the specific requirements of refrigeration and heating, and the requirements of different battery pack capacity heat dissipation or heating are met.
8. The heat conducting substrate and the outer box body and the heat conducting substrate and the inner box body are sealed through sealing glue. The airtight effect of the battery compartment is enhanced through the sealing of the sealant, and the problems of dust prevention, water prevention, condensation and the like can be better solved.
Drawings
FIG. 1 is a schematic structural diagram of a heating and cooling device for a battery;
FIG. 2 is a schematic structural diagram of a heat-conducting plate;
FIG. 3 is a schematic diagram of a semiconductor cooling/heating assembly;
FIG. 4 is a schematic diagram of a battery temperature management system with dual functions of heating and cooling;
the heat-conducting type refrigerator comprises a semiconductor refrigerating/heating component 1, a heat-conducting connecting plate 11, a semiconductor refrigerating sheet 12, a heat radiating sheet 13, a heat radiating fan 14, a heat conducting pipe 15, a heat conducting plate 2, a heat pipe 21, a heat conducting substrate 22, a battery pack 3, a box body 4, an outer box body 41, a heat-insulating interlayer 42 and an inner box body 43.
Detailed Description
The technical solutions of the present invention will be further explained below with reference to the drawings and examples, but the present invention is not limited to the embodiments explained below.
As shown in fig. 1, 2 and 3, the invention provides a heating and cooling device for a battery, which comprises a semiconductor cooling/heating component 1 and a heat conducting plate 2 connected with the semiconductor cooling/heating component 1; this heat-conducting plate 2 includes heat pipe 21 and heat conduction base plate 22, and heat conduction base plate 22 includes first heat-conducting plate and second heat-conducting plate, and first heat-conducting plate sets up in one side of second heat-conducting plate, forms less than or equal to 90 contained angles with the second heat-conducting plate, and it is good to be connected with first heat-conducting plate and second heat-conducting plate to be T shape or L shape promptly, and first heat-conducting plate also can incline to set up, adjusts according to the installation environment of reality. The heat pipe 21 is disposed along an outer surface of the first heat conduction plate and/or a side surface of the second heat conduction plate, and the other side surface of the second heat conduction plate is fixedly connected with the semiconductor cooling/heating assembly 1. That is, the heat pipe 21 is preferably of a T-shaped or L-shaped structure, or may be of a single-pipe structure, and is disposed along two side edges of the heat conducting substrate 22 when it is of a T-shaped structure, along the outer surface of the first heat conducting plate and the bottom surface of the second heat conducting plate when it is of an L-shaped structure, and along the outer surface of the first heat conducting plate when it is of a single-pipe structure. The connection mode of the heat pipe, the first heat conduction plate and the second heat conduction plate can adopt epoxy resin glue for bonding, and grooves can also be formed in the first heat conduction plate and the second heat conduction plate and embedded in the grooves.
The invention uses the above-mentioned battery heating and refrigerating device in the system of the battery temperature, namely apply to the battery temperature management device with heating and refrigerating double functions, refer to fig. 3, 4, it includes the above-mentioned battery heating and refrigerating device, container 4 and battery pack 3, container 4 includes outer container 41 and inner container 43, inner container 43 connects with outer container 41 and locates in the cavity of outer container 41, there is insulating interlayer 42 between outer container 41 and the inner container 43, the battery pack 3 is set up in the cavity of the inner container 43, the battery passes the top of the inner container 43 and connects with battery pack 3. The battery pack 3 is provided with a plurality of battery packs 3, the plurality of battery packs 3 are arranged in parallel in the inner cavity of the inner box body 43, and the batteries are inserted between two adjacent battery packs 3 by using a heating and refrigerating device. The heating and refrigerating device for the battery comprises a semiconductor refrigerating/heating component 1 and a heat conducting plate 2, wherein the semiconductor refrigerating/heating component 1 is arranged above the heat conducting plate 2, and the heat conducting plate 2 sequentially penetrates through an outer box body 41, a heat preservation interlayer 42 and an inner box body 43 to be inserted between two adjacent rows of battery packs 3. The heat conducting plate 2 comprises a heat pipe 21 and a heat conducting substrate 22, the heat pipe 21 is arranged on a first heat conducting plate of the heat conducting substrate 22, the heat conducting substrate 22 sequentially penetrates through the outer box body 41, the heat insulating interlayer 42 and the inner box body 43 to be inserted between the two rows of battery packs 3, the first heat conducting plate of the heat conducting substrate 22 is attached to the battery packs 3, and the semiconductor refrigerating/heating component 1 is arranged at the top of the heat conducting substrate 22. The heat conducting substrate 22 includes a horizontal portion and a vertical portion, the vertical portion is connected below the horizontal portion, the vertical portion and the horizontal portion form a "T" type structure, the semiconductor cooling/heating assembly 1 is connected to the upper end face of the horizontal portion, and the heat pipe 21 is disposed on the lower end face of the horizontal portion and the outer surface of the vertical portion. The heat conducting substrate 22 includes a horizontal portion and a vertical portion, the vertical portion is connected below the horizontal portion, the vertical portion and the horizontal portion constitute an inverted "L" shaped structure, the semiconductor cooling/heating assembly 1 is connected to an upper end face of the horizontal portion, and the heat pipe 21 is disposed at a lower end face of the horizontal portion and an outer surface of the vertical portion. The semiconductor refrigerating/heating assembly 1 comprises a semiconductor refrigerating piece 12, a radiating fin 13 and a radiating fan 14, wherein the semiconductor refrigerating piece 12 is connected with the upper end face of the transverse part of the heat-conducting substrate 22, the semiconductor refrigerating piece 12 performs heat exchange with the heat-conducting substrate 22 through heat absorption or heat release, and the semiconductor refrigerating piece 12 is connected with the radiating fan 14 through the radiating fin 13.
It should be further explained that the semiconductor cooling/heating assembly 1 further includes a heat conducting connecting plate 11, and the semiconductor cooling plate 12 is connected to the upper end face of the transverse portion of the heat conducting substrate 22 through the heat conducting connecting plate 11. The semiconductor cooling/heating assembly 1 further comprises a heat conducting pipe 15, and the semiconductor cooling fins 12 are connected with the heat radiating fins 13 through the heat conducting pipe 15. The heat conductive substrate 22 and the outer case 41 and the heat conductive substrate 22 and the inner case 43 are sealed with a sealant.
Example 1
Referring to fig. 4, the battery temperature management system with dual functions of heating and cooling in this embodiment includes a heating and cooling device for battery, a box 4 and a battery pack 3, where the box 4 includes an outer box 41 and an inner box 43, the inner box 43 is connected to the outer box 41, the inner box 43 is disposed in an inner cavity of the outer box 41, a center position of the inner box 43 coincides with a center line position of the outer box 41, a heat-insulating interlayer 42 is disposed between the inner box 43 and the outer box 41, there is one battery pack 3 in this embodiment, the battery pack 3 is vertically disposed in the inner cavity of the inner box 43, and the heating and cooling device for battery sequentially passes through the outer box 41, the heat-insulating interlayer 42 and the inner box 43 to be attached to one outer surface of the battery pack 3.
Preferably, the inner box 43 and the outer box 41 can be supported and connected by a connection rib plate or a support rod; the heat-insulating interlayer 42 of the embodiment can be filled with air, inert gas or heat-insulating cotton; this embodiment also can be connected with the laminating of a plurality of surfaces of group battery 3 through the change of structure through heating refrigerating plant for the battery, strengthens the heat dissipation or the heating effect of group battery.
Example 2
Different from the embodiment 1, the battery temperature management system with the dual functions of heating and cooling of the embodiment includes two battery packs 3, the two battery packs 3 are arranged in parallel in the inner cavity of the inner box 43, the heating and cooling device for the battery is inserted between the two adjacent battery packs 3, and the heating and cooling device for the battery is attached to the adjacent outer surfaces of the two adjacent battery packs 3; the rest is the same as in example 1.
Example 3
Referring to fig. 1 and 2, the battery temperature management system with dual functions of heating and cooling in the present embodiment is based on embodiment 2, the heating and cooling device for a battery includes a semiconductor cooling/heating component 1 and a heat conducting plate 2, the semiconductor cooling/heating component 1 is disposed right above the heat conducting plate 2, the semiconductor cooling/heating component 1 is fixedly connected to the heat conducting plate 2, the heat conducting plate 2 sequentially passes through an outer box 41, a heat insulating interlayer 42 and an inner box 43 to be inserted between two adjacent rows of battery packs 3, and the heat conducting plate 2 is attached to the adjacent outer surfaces of the two battery packs 3.
Example 4
The battery temperature management system with dual functions of heating and cooling in the embodiment is based on embodiment 3, wherein the heat pipes 21 are attached to the first heat conduction plates of the heat conduction plates 22, the first heat conduction plates of the heat conduction plates 22 are surfaces of the heat conduction substrates in direct contact with the outer surfaces of the battery packs, each first heat conduction plate of the heat conduction plates 22 is provided with 3 heat pipes 21, the semiconductor cooling/heating assembly 1 is fixedly installed at the top of the heat conduction substrate 22, and the bottom of the heat conduction substrate 22 sequentially penetrates through the outer box body 41, the heat insulation interlayer 42 and the inner box body 43 to be inserted between two rows of battery packs 3; the first heat-conducting plate of the heat-conducting plates 22 is attached to the adjacent outer surfaces of the two battery packs 3.
Preferably, the connection mode of the heat pipe 21 and the first heat conducting plate of the heat conducting plate 22 in this embodiment may be a gluing mode or a clamping mode; the number of the heat pipes 21 may be increased or decreased according to the size of the attached area between the first heat conductive plate of the heat conductive plates 22 and the outer surface of the battery pack 3.
Preferably, the space between the heat conducting substrate 22 and the outer case 41 and the space between the heat conducting substrate 22 and the inner case 43 are sealed by glue filling and sealing.
Example 5
This embodiment is a battery temperature management system with dual functions of heating and cooling, and on the basis of embodiment 4, heat conduction base plate 22 includes horizontal portion and vertical portion, and vertical portion connects in the below of horizontal portion, and the top fixed connection of vertical portion is on the bottom terminal surface of horizontal portion, and vertical portion and horizontal portion constitute "T" type structure jointly, semiconductor refrigeration/heating component 1 and the upper end fixed connection of horizontal portion, and heat pipe 21 sets up the surface at the lower terminal surface of horizontal portion and vertical portion.
Preferably, the heat pipe 21 in the present embodiment is disposed on the first heat conduction plate of the vertical portion; the heat pipe is a common heat pipe capable of realizing bidirectional refrigeration or heating.
Example 6
This embodiment is a battery temperature management system with dual functions of heating and cooling, and on the basis of embodiment 4, the heat conducting substrate 22 includes a horizontal portion and a vertical portion, the vertical portion is disposed below the horizontal portion, and the top end of the vertical portion is fixedly connected to an end portion of the horizontal portion, the vertical portion and the horizontal portion jointly form an inverted "L" type structure, the semiconductor cooling/heating assembly 1 is fixedly connected to an upper end face of the horizontal portion, and the heat pipe 21 is disposed on a lower end face of the horizontal portion and an outer surface of the vertical portion.
Preferably, the heat pipe 21 in the present embodiment is disposed on the first heat conduction plate of the vertical portion; the heat pipe is a common heat pipe capable of realizing bidirectional refrigeration or heating.
Example 7
Referring to fig. 3, in the battery temperature management system with dual functions of heating and cooling in this embodiment, on the basis of embodiment 5 or 6, the semiconductor cooling/heating assembly 1 includes a semiconductor cooling plate 12, a heat sink 13 and a heat dissipation fan 14, the semiconductor cooling plate 12 is fixedly connected to the upper end surface of the transverse portion of the heat conduction substrate 22, the semiconductor cooling plate 12 performs heat exchange with the heat conduction substrate 22 through heat absorption or heat dissipation, and the heat absorption or heat dissipation principle is as follows: the semiconductor refrigerating sheet comprises an N-type semiconductor and a P-type semiconductor which are connected in series, wherein one N-type semiconductor and one P-type semiconductor are connected into a galvanic couple, energy transfer can be generated after direct current is switched on, and the current flows from the N-type element to the joint of the P-type element to absorb heat and becomes a cold end; the current flows from the P-type element to the joint of the N-type element to release heat to become a hot end; when the current flow is reversed, the hot and cold sides are reciprocal. The intensity of the heat absorption and heat release capacity is determined by the magnitude of the electrified current and the logarithm of the couple pair formed by the N-type semiconductor and the P-type semiconductor, and the heat absorption and heat release capacity is stronger when the electrified current is larger and the logarithm of the couple pair is larger; the semiconductor cooling fins 12 radiate heat by passing through the cooling fins 13 and the cooling fan 14 in sequence.
Preferably, the semiconductor cooling/heating assembly 1 of the present embodiment further includes a heat conducting connection plate 11, and the semiconductor cooling plate 12 is connected to the second heat conducting plate of the heat conducting substrate 22 through the heat conducting connection plate 11.
Preferably, the semiconductor cooling/heating assembly 1 of the present embodiment further includes a heat conducting pipe 15, and the semiconductor cooling fins 12 are connected to the heat dissipation fins 13 through the heat conducting pipe 15.
The battery temperature management device with dual functions of heating and cooling in the embodiment is used by the following steps: when the battery pack 3 needs to dissipate heat, heat generated by the work of the battery pack 3 is transferred to the heat pipe 21, the heat pipe 21 transfers the heat to the semiconductor chilling plate 12 through the heat conducting base plate 22 and the heat conducting connecting plate 11 in sequence, and the heat on the semiconductor chilling plate 12 is dissipated through the radiating fin 13 and the radiating fan 14; when the battery pack 3 needs to be heated, the heat generated by the semiconductor cooling fins 12 is transferred to the heat pipe 21 through the heat conducting connecting plate 11 and the heat conducting substrate 22 in sequence, and is transferred to the battery pack 3 through the heat pipe 21.
The number of the battery packs 3 in the present invention may be 3, 4, 5, 6, 7, 8 or more, and they may be arranged in parallel in a single row or in front and rear rows.
The invention has been described in further detail with reference to specific preferred embodiments thereof, and it will be understood by those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The heating and refrigerating device for the battery is characterized by comprising a semiconductor refrigerating/heating component (1) and a heat conducting plate (2) connected with the semiconductor refrigerating/heating component (1); heat-conducting plate (2) include heat pipe (21) and heat conduction base plate (22), and heat conduction base plate (22) include first heat-conducting plate and second heat-conducting plate, and first heat-conducting plate sets up in one side of second heat-conducting plate, forms less than or equal to 90 contained angle with the second heat-conducting plate, heat pipe (21) set up or set up along a side surface of first heat-conducting plate along the surface setting of first heat-conducting plate and second heat-conducting plate, the opposite side surface of second heat-conducting plate is connected with semiconductor refrigeration heating element (1).
2. The heating and cooling device for the battery as claimed in claim 1, wherein the first heat-conducting plate and the second heat-conducting plate are connected in a T-shape or an L-shape.
3. The heating and cooling device for the battery as claimed in claim 2, wherein the heat pipe (21) has a T-shaped or L-shaped structure.
4. The battery temperature management system with the heating and refrigerating functions is characterized by comprising a box body (4), a battery pack (3) arranged in the inner cavity of the box body (4) and the heating and refrigerating device for the battery as claimed in any one of claims 1 to 3, wherein the heating and refrigerating device for the battery is used for heating or refrigerating the battery pack (3).
5. The battery temperature management system with heating and cooling functions as claimed in claim 4, wherein the box body (4) comprises an outer box body (41) and an inner box body (43), the inner box body (43) is connected with the outer box body (41) and is arranged in the inner cavity of the outer box body (41), and a heat insulation interlayer (42) is arranged between the inner box body (43) and the outer box body (41); the battery pack (3) is packaged in the inner box body (43).
6. The dual-function battery temperature management system with heating and cooling functions as claimed in claim 5, wherein the first heat conducting plate of the heating and cooling device for the battery passes through the top of the inner box body (43) and extends into the gap between the battery packs (3) of the inner box body (43) or is closely arranged on the outer wall of the battery packs (3).
7. The battery temperature management system with heating and refrigerating functions as claimed in claim 5, wherein the semiconductor refrigerating/heating assembly (1) of the heating and refrigerating device for the battery comprises a semiconductor refrigerating sheet (12), a heat radiating fin (13) and a heat radiating fan (14), the semiconductor refrigerating sheet (12) is connected with the second heat conducting plate, the semiconductor refrigerating sheet (12) exchanges heat with the second heat conducting plate of the heat conducting substrate (22) through heat absorption or heat radiation, and the semiconductor refrigerating sheet (12) is connected with the heat radiating fan (14) through the heat radiating fin (13).
8. The dual-heating and cooling battery temperature management system according to claim 7, wherein the semiconductor cooling/heating assembly (1) further comprises a heat-conducting connecting plate (11), and the semiconductor cooling plate (12) is connected with the second heat-conducting plate of the heat-conducting base plate (22) through the heat-conducting connecting plate (11).
9. The battery temperature management system with heating and cooling functions as claimed in claim 8, wherein the heat conducting substrate (22) and the outer case (41) and the heat conducting substrate (22) and the inner case (43) are hermetically connected by a sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110903015.9A CN113782864A (en) | 2021-08-06 | 2021-08-06 | Heating and refrigerating device for battery and battery temperature management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110903015.9A CN113782864A (en) | 2021-08-06 | 2021-08-06 | Heating and refrigerating device for battery and battery temperature management system |
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| Publication Number | Publication Date |
|---|---|
| CN113782864A true CN113782864A (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110903015.9A Pending CN113782864A (en) | 2021-08-06 | 2021-08-06 | Heating and refrigerating device for battery and battery temperature management system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114520388A (en) * | 2022-02-08 | 2022-05-20 | 浙江荣泰电工器材股份有限公司 | Mica insulation box of five-series ternary lithium battery module for new energy automobile |
-
2021
- 2021-08-06 CN CN202110903015.9A patent/CN113782864A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114520388A (en) * | 2022-02-08 | 2022-05-20 | 浙江荣泰电工器材股份有限公司 | Mica insulation box of five-series ternary lithium battery module for new energy automobile |
| CN114520388B (en) * | 2022-02-08 | 2023-12-26 | 浙江荣泰电工器材股份有限公司 | Mica insulation box of five ternary lithium battery modules for new energy automobile |
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