CN109449339A - A kind of new-energy automobile and the thermal management device of battery based on heat pipe - Google Patents
A kind of new-energy automobile and the thermal management device of battery based on heat pipe Download PDFInfo
- Publication number
- CN109449339A CN109449339A CN201811528485.6A CN201811528485A CN109449339A CN 109449339 A CN109449339 A CN 109449339A CN 201811528485 A CN201811528485 A CN 201811528485A CN 109449339 A CN109449339 A CN 109449339A
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- CN
- China
- Prior art keywords
- heat pipe
- thermal management
- battery
- management device
- heat
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Classifications
-
- 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
-
- 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
-
- 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
- H01M10/625—Vehicles
-
- 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
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
-
- 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
-
- 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
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention provides a kind of thermal management device of battery based on heat pipe, including multiple batteries monomer, and the heating surface of left and right two of battery cell described in any section is pasted with radiating piece；It further include the heat pipe to radiate to the radiating piece, the heat pipe includes evaporator section and condensation segment, and the evaporator section is inserted in the inside of the radiating piece, and the condensation segment is exposed in air；It further include the shell to the fixed all described battery cell, the radiating piece and the heat pipe.The above-mentioned thermal management device of battery based on heat pipe efficiently solves the problems, such as new energy battery poor heat radiation.The present invention also provides a kind of new-energy automobiles, with above-mentioned beneficial effect.
Description
Technical field
The present invention relates to new energy car battery technical fields, more specifically to a kind of battery heat based on heat pipe
Managing device.In addition, the invention further relates to a kind of new-energy automobiles with the above-mentioned thermal management device of battery based on heat pipe.
Background technique
With the continuous improvement of people's living standards, new-energy automobile has become the most common vehicles of people's trip
One of.However, the consumption of fossil fuel is not only increased with the continuous growth of new-energy automobile sales volume and the volume of holding, and
And a large amount of new-energy automobile tail gas is given off, serious atmosphere pollution is caused, under the dual-pressure of energy and environment, energetically
It is especially urgent to develop new-energy automobile.
However, chemistry occurs for the inside of lithium ion battery since lithium ion battery is with internal resistance and in charge and discharge process
Reaction, thus amount of heat is generated, especially under big multiplying power and severe operating condition, the heat of inside battery is steeply risen, shadow
The service life of sound battery, there are some potential safety problemss, when serious, directly result in thermal runaway and safety accident occurs, thus
It is serious to restrict popularizing energetically and developing for new-energy automobile.
In the prior art, applied to the cell managing device of new-energy automobile, between internal coupling heat pipe and battery
It is bonded by adhesions such as glue, in vehicle travel process, is easily detached from heat pipe in battery due to vehicle shakes or collides, takes off
From in the heat pipe in battery-heating face, can not be in close contact with battery, heat is unable to get effectively transmitting and accumulates in vehicle body,
Bury security risk.
Summary of the invention
The object of the present invention is to provide a kind of thermal management device of batteries based on heat pipe, efficiently solve new energy battery
The problem of poor heat radiation.It is a further object of the present invention to provide a kind of with the new of the above-mentioned thermal management device of battery based on heat pipe
Energy automobile, the new-energy automobile have above-mentioned beneficial effect.
The present invention provides a kind of thermal management device of battery based on heat pipe, including multiple batteries monomer, electricity described in any section
The heating surface of left and right two of pond monomer is pasted with radiating piece；It further include the heat pipe to radiate to the radiating piece, institute
Stating heat pipe includes evaporator section and condensation segment, and the evaporator section is inserted in the inside of the radiating piece, and the condensation segment is exposed to sky
In gas；It further include the shell to the fixed all described battery cell, the radiating piece and the heat pipe.
Preferably, the battery cell, fit closely in two heat dissipations of two heating surfaces of the battery cell
Part and the heat pipe constitute battery thermal management unit, and the battery thermal management unit is at least one set, all the battery heat
Administrative unit connects in series and parallel.
Preferably, the heat dissipation cavity that the shell is equipped with installation cavity and communicates with the installation cavity, whole battery thermals
Reason unit is installed on the installation cavity, and the condensation segment is set to the heat dissipation cavity.
It preferably, further include being installed on the heat dissipation cavity, the radiator to radiate to the condensation segment.
It preferably, further include the multiple cooling fins for being attached at the inner wall of the heat dissipation cavity.
Preferably, the heat pipe is more, and the more heat pipes are inserted in parallel in the radiating piece.
Preferably, the heat pipe is specially slug type copper rod heat pipe.
Preferably, the radiating piece is specially heat conductive silica gel.
Preferably, the radiator is specially electric fan.
The present invention also provides a kind of new-energy automobile, including thermal management device of battery, the thermal management device of battery is specific
For the thermal management device of battery described in any of the above embodiments based on heat pipe.
Compared with above-mentioned background technique, the present invention provides a kind of thermal management device of battery based on heat pipe, by battery
Two heating surfaces of monomer attach radiating piece and plug heat pipe in radiating piece, and the evaporator section of heat pipe is embedded in radiating piece
The condensation segment in portion, heat pipe is exposed in air, so, by the entire hair that radiating piece is closely fitted in battery cell
Hot face, to absorb battery cell heat, directly cools down battery so that radiating piece be made directly to contact with battery cell；This
Outside, heat pipe is also fitted on radiating piece, the evaporator section of heat pipe is embedded in the inside of radiating piece, acts on, steams using the phase transformation of heat pipe
Hair section can absorb the amount of heat from battery, to the condensation segment of the heat derives of battery to heat pipe be radiated, so
Heat dissipation circulation is formd, the maximum temperaturerise of battery can be controlled in reasonable operating temperature range (25 DEG C -50 DEG C), and
Ensure that the maximum temperature difference of battery controls within 5 DEG C.In addition, should thermal management device of battery based on heat pipe, it is compact-sized, make
With at low cost.
The present invention also provides a kind of new-energy automobiles including the above-mentioned thermal management device of battery based on heat pipe, due to having
Above-mentioned thermal management device of battery, therefore, the thermal diffusivity of the new-energy automobile is good, maintenance rate is low, long service life.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the thermal management device of battery provided by the present invention based on heat pipe；
Fig. 2 is the main view of Fig. 1；
Fig. 3 is the left view of Fig. 1；
Wherein, 1- battery cell, 2- radiating piece, 3- heat pipe, 4- shell, 5- radiator.
Specific embodiment
Core of the invention is to provide a kind of thermal management device of battery based on heat pipe, compact-sized, good heat dissipation effect,
It efficiently solves the problems, such as new energy battery poor heat radiation, thus extends the service life of new energy battery.Of the invention
Another core is to provide a kind of new-energy automobile including the above-mentioned thermal management device of battery based on heat pipe, which dissipates
Hot good, long service life.
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawing and it is embodied
The present invention is described in further detail for mode.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, Fig. 1 is the structure of the thermal management device of battery provided by the present invention based on heat pipe
Schematic diagram；Fig. 2 is the main view of Fig. 1；Fig. 3 is the left view of Fig. 1.
The present invention provides a kind of thermal management device of battery based on heat pipe, including multiple batteries monomer 1, fits in battery list
The radiating piece 2 of two heating surfaces in left and right of body 1, the heat pipe 3 being inserted in inside battery cell 1 and to accommodate above-mentioned each element
Shell 4.
Since there are two heating surface, the left fevers specially shown in FIG. 1 positioned at 1 left side of battery cell for the tool of battery cell 1
Face and right heating surface positioned at the right side of battery cell 1 should be to two in order to realize the significantly cooling to battery cell 1
Heating surface cool down for formula, specifically, is pasted with radiating piece 2, radiating piece 2 in two heating surfaces of battery cell 1
It is Nian Jie by binders such as heat-conducting silicone greases between battery cell 1, and/or using connectors mechanical locks such as screws, in this way
One, radiating piece 2 plays the role of adsorbing the heat of battery cell 1 and distributes heat to ambient enviroment, it is possible thereby to
The temperature of battery cell 1 is reduced significantly, realizes direct, the centralized cooling to battery cell 1.
In order to further increase temperature drop rate, heat pipe 3 can be installed in the inside for distributing radiating piece 2, that is, by heat pipe 3
It is directly plugged in the inside of radiating piece 2, specifically, heat pipe 3 is made of phase-change material, including evaporator section and condensation segment, heat pipe 3
Evaporator section be embedded in radiating piece 2, condensation segment is set to the outside of heat pipe 3, and is placed in air, since battery cell 1 is in
In the case where different multiplying charge and discharge, a large amount of heat can be generated, especially under the operating condition of big multiplying power, radiating piece 2 will source
Source constantly absorbs heat from the heating surface of battery cell 1, and since phase transformation acts on, the evaporator section of heat pipe 3 can absorb scattered in large quantities
The heat of warmware 2 forms absorption-and dissipates so that the heat derives of battery cell 1 to the condensation segment of heat pipe 3 so be recycled
Thermal cycling profile, so that the maximum temperaturerise of battery cell 1 controls in 25 DEG C -50 DEG C of reasonable working range, and by battery
The maximum temperature difference of monomer 1 controls within 5 DEG C.
Above-mentioned battery cell 1, radiating piece 2 and heat pipe 3 are placed in shell 4, and shell 4 plays limit and protection, are led to
It crosses and each element is mounted in shell 4, it is possible thereby to realize the fixation to each element, prevent each element stress from shifting.
For the temperature drop rate of further battery cell 1, shell 4 can be made of heat sink material, such as almag,
Aluminium alloy is thermal grease, is distributed with accelerated heat, heat is avoided to assemble.
It can be seen from the above, attaching radiating piece 2 by two heating surfaces in each batteries monomer 1, installed in radiating piece 2
Heat pipe 3, using radiating piece 2 by heat collection caused by battery cell 1 in it, heat that will be accumulated in radiating piece 2 using heat pipe 3
Amount is distributed into ambient enviroment, it is possible thereby to the service life for reducing the temperature of battery cell 1, extending battery cell 1.
Above-mentioned battery cell 1, fit closely in two heating surfaces of battery cell 1 radiating piece 2 and be plugged in heat dissipation
Heat pipe 3 inside part 2 collectively forms one group of battery thermal management unit, and battery thermal management unit is at least one group, each battery thermal
It connects, is commonly mounted on inside shell 4 in series and parallel between reason unit, to save installation space, improve power supply efficiency.
Installation cavity and heat dissipation cavity are equipped with inside shell 4, two chambers communicate, and installation cavity is rectangular configuration, to install each battery
The size of thermal management unit, installation cavity should be set according to the size of all batteries thermal management unit, it is preferred that the ruler of installation cavity
The overall size of the very little battery thermal management unit being equal to or slightly greater than after each series-parallel connection, to avoid each battery thermal management unit
It is shaken because gap is excessive；Heat dissipation cavity is set to the top of installation cavity, communicates with the outside world, and the condensation segment of heat pipe 3 is placed in heat dissipation cavity,
It is possible thereby to distribute heat into external environment, heat build-up is avoided.It should be noted that the structure of installation cavity and heat dissipation cavity
It should be set according to the practical structures of battery thermal management unit, be not construed as limiting herein.
In order to further increase heat dissipation performance, radiator 5 can be installed in heat dissipation cavity, for example, electric fan or small-sized
Air-conditioning, by the way that electric fan or minitype air conditioner are connected with external power supply, by external power supply to electric fan or minitype air conditioner into
Row power supply.
Preferably, radiator 5 is set near heat pipe 3, carries out pressure cooling by the condensation segment of 5 opposite heat tube 3 of radiator, thus
The radiating rate to condensation segment is improved, to reduce the temperature of heat pipe 3, and then reduces the temperature of battery cell 1.
In order to further improve heat dissipation performance, cooling fin can also be attached in heat dissipation cavity, the quantity of cooling fin can
Think it is multiple, be attached at close to condensation segment heat dissipation cavity inner wall on, using the thermally conductive and heat dissipation performance of cooling fin, to reduce
The temperature of heat dissipation cavity wall and shell 4, so that heat dissipation cavity maintains lower temperature.
More heat pipes 3 can also be installed inside radiating piece 2, more heat pipes 3 are inserted in parallel in radiating piece 2, that is, one
More heat pipes 3 are installed simultaneously in a radiating piece 2, the common cooling realized to condensation segment.About the particular number of heat pipe 3, herein
It is not construed as limiting.
It should be noted that above-mentioned heat pipe 3 is preferably slug type copper rod heat pipe, radiating piece 2 is preferably heat conductive silica gel, is utilized
Good heating conduction possessed by slug type copper rod heat pipe and heat conductive silica gel, may be implemented rapid cooling function, in addition, utilizing
Tack possessed by heat conductive silica gel can be attached at the heating surface of battery securely, can also be with to prevent stress from generating displacement
It is reinforced using screw.It should be noted that the structure and working principle of slug type copper rod heat pipe and heat conductive silica gel, please refers to existing
There is technology, repeats no more herein.
The present invention also provides a kind of new-energy automobiles, including above-mentioned thermal management device of battery, due to thermal management device of battery
With good heat dissipation performance, so that the thermal diffusivity of the new-energy automobile is good, maintenance rate is low, long service life.
The thermal management device of battery to new-energy automobile provided by the present invention and based on heat pipe has carried out detailed Jie above
It continues.Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only
It is to be used to help understand method and its core concept of the invention.It should be pointed out that for those skilled in the art
For, it without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention, these improve and repair
Decorations are also fallen within the protection scope of the claims of the present invention.
Claims (10)
1. a kind of thermal management device of battery based on heat pipe, including multiple batteries monomer (1), which is characterized in that described in any section
The heating surface of left and right two of battery cell (1) is pasted with radiating piece (2)；It further include scattered to be carried out to the radiating piece (2)
The heat pipe (3) of heat, the heat pipe (3) includes evaporator section and condensation segment, and the evaporator section is inserted in the interior of the radiating piece (2)
Portion, the condensation segment are exposed in air；It further include to the fixed all described battery cell (1), the radiating piece (2) and institute
State the shell (4) of heat pipe (3).
2. the thermal management device of battery according to claim 1 based on heat pipe, which is characterized in that the battery cell (1),
It fits closely and constitutes electricity in two radiating pieces (2) of two heating surfaces of the battery cell (1) and the heat pipe (3)
Pond thermal management unit, the battery thermal management unit are at least one set, and all the battery thermal management unit connects in series and parallel.
3. the thermal management device of battery according to claim 2 based on heat pipe, which is characterized in that the shell (4) is equipped with
Installation cavity and the heat dissipation cavity communicated with the installation cavity, all the battery thermal management unit is installed on the installation cavity, described
Condensation segment is set to the heat dissipation cavity.
4. the thermal management device of battery according to claim 3 based on heat pipe, which is characterized in that further include be installed on it is described
Heat dissipation cavity, the radiator (5) to radiate to the condensation segment.
5. the thermal management device of battery according to claim 3 or 4 based on heat pipe, which is characterized in that further include being attached at
Multiple cooling fins of the inner wall of the heat dissipation cavity.
6. the thermal management device of battery according to claim 1 based on heat pipe, which is characterized in that the heat pipe (3) is more
Root, the more heat pipes (3) are inserted in parallel in the radiating piece (2).
7. the thermal management device of battery according to claim 1 based on heat pipe, which is characterized in that the heat pipe (3) is specific
For slug type copper rod heat pipe.
8. the thermal management device of battery according to claim 1 based on heat pipe, which is characterized in that radiating piece (2) tool
Body is heat conductive silica gel.
9. the thermal management device of battery according to claim 4 based on heat pipe, which is characterized in that radiator (5) tool
Body is electric fan.
10. a kind of new-energy automobile, including thermal management device of battery, which is characterized in that the thermal management device of battery is specially
Thermal management device of battery according to any one of claims 1 to 9 based on heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528485.6A CN109449339A (en) | 2018-12-13 | 2018-12-13 | A kind of new-energy automobile and the thermal management device of battery based on heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528485.6A CN109449339A (en) | 2018-12-13 | 2018-12-13 | A kind of new-energy automobile and the thermal management device of battery based on heat pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109449339A true CN109449339A (en) | 2019-03-08 |
Family
ID=65558831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811528485.6A Pending CN109449339A (en) | 2018-12-13 | 2018-12-13 | A kind of new-energy automobile and the thermal management device of battery based on heat pipe |
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| CN (1) | CN109449339A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110197881A (en) * | 2019-05-17 | 2019-09-03 | 广东工业大学 | A kind of batteries of electric automobile heat management device |
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| CN110197881A (en) * | 2019-05-17 | 2019-09-03 | 广东工业大学 | A kind of batteries of electric automobile heat management device |
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