CN107799679A - A kind of variable TR battery case and its thermal management algorithm - Google Patents
A kind of variable TR battery case and its thermal management algorithm Download PDFInfo
- Publication number
- CN107799679A CN107799679A CN201610773379.9A CN201610773379A CN107799679A CN 107799679 A CN107799679 A CN 107799679A CN 201610773379 A CN201610773379 A CN 201610773379A CN 107799679 A CN107799679 A CN 107799679A
- Authority
- CN
- China
- Prior art keywords
- housing
- heat
- battery
- battery core
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
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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
-
- 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
-
- 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
- H01M10/656—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
-
- 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 discloses a kind of variable TR battery case and its thermal management algorithm, include upper shell and lower house, battery core is provided with housing, air heat-insulation layer is set between housing and battery core, the fan of air flow in driving air heat-insulation layer is provided with housing, fans drive air successively flows through battery core surface and inner walls, forms battery core and the circulation of housing heat exchange, and the heat that inner walls absorb outwards is distributed by housing；The present invention sets air heat-insulation layer between housing and battery core, and when battery needs insulation, fan does not work, and thermal insulation layer hinders influence of the environment to battery；When battery needs radiating, the gas circulation of air heat-insulation layer is blowed to battery core surface and housing by fan, air is changed into the circulatory mediator of conveying heat, battery core heat is accelerated to pass to inner walls, distributed again by housing exterior walls, avoid using expensive items such as refrigerators, saved cost；Upper shell of the present invention is tightly connected with lower house, avoids straight-through air-cooled shell nozzle, therefore favorable sealing property.
Description
Technical field
The present invention relates to electric vehicle battery system, particularly relates to a kind of variable TR battery case.
Background technology
With the fast development of new-energy automobile, the heat dissipation problem of new energy car battery system has also obtained more and more
Attention.
Current electric vehicle battery system radiating mainly has two kinds, and a kind of is open radiating, as shown in figure 1, being
System exports 4 provided with low-temperature receiver import 2 and low-temperature receiver, and cooling air channel is formed by fan 1, deflector 3 and battery core 5 etc. in battery case,
The shortcomings that this radiator structure is that sealing is poor, and especially water proofing property is very poor；Another kind is enclosed radiation, as shown in Fig. 2 electric
Sealing chamber is formed by air channel shell 6 in the case of pond, it is indoor to be followed by the closing radiating of the compositions such as battery core 5, refrigerator 7, fan 1, deflector 3
Ring, this radiator structure good airproof performance, but as a result of devices such as refrigerators, cost is very high, for cost itself just very
For high battery system, the cost of many is undoubtedly further increased, the popularization to electric automobile has adverse effect on.
Therefore, a kind of radiator structure and heat dissipating method how are provided, it is low to be not only simple in structure cost, and has close well
Feng Xing, turn into a difficult problem of the pendulum in face of those skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of variable TR battery case and its thermal management algorithm, set between housing and battery core
Air heat-insulation layer, the interior fan for being provided with air flow in driving air heat-insulation layer of housing, when battery system needs insulation, fan
Do not work, thermal insulation layer hinders influence of the environment to battery；When battery system needs radiating, fan work, driving air is successively
Battery core surface and inner walls are flowed through, the circulation to be exchanged heat between battery core and housing is formed, thermal insulation layer is changed into heat exchanger channels, are reduced
Thermal resistance between battery core and housing, so as to accelerate battery core heat to pass to inner walls, the heat that inner walls absorb passes through
Housing carries out whole heat exchanges with extraneous, so as to improve heat-transfer capability and controllable while sealing is ensured；So as to effectively
Solve foregoing problems.
The present invention is achieved through the following technical solutions：
A kind of variable TR battery case, include upper shell and lower house, be provided with battery core in housing, sky is set between housing and battery core
Air bound thermosphere, the interior fan for being provided with air flow in driving air heat-insulation layer of housing.
Preferably, the air heat-insulation layer directly contacts with inner walls.
Further, upper shell and lower house are sealed connection.
Further, battery core is provided with thermal insulation board with air heat insulation interlayer, improves heat-insulating property.
Preferably, the battery core surface is provided with the fin of enhancing radiating.
Preferably, the inner walls are provided with the fin of enhancing radiating.
A kind of thermal management algorithm of variable TR battery case, when battery system needs insulation, fan does not work, air
Thermal insulation layer hinders influence of the environment to battery；When battery system needs radiating, fan work, driving air successively flows through battery core
Surface and inner walls, the circulation to be exchanged heat between battery core and housing is formed, the air of insulation medium is changed into following for conveying heat
Ring medium, battery core heat is accelerated to pass to inner walls, the heat that inner walls absorb is carried out all by housing with extraneous
Heat exchange.
It should be appreciated that foregoing description substantially and follow-up description in detail are exemplary illustration and explanation, should not
As the limitation to the claimed content of the present invention.
The beneficial effects of the invention are as follows：
1st, the present invention sets air heat-insulation layer between housing and battery core, is acted on by fan, the gas circulation of air heat-insulation layer is blown
To battery core surface and housing, whole heat exchanges are carried out with extraneous by housing, avoids using expensive items such as refrigerators, saves
Cost.
2nd, upper shell and lower house of the present invention are tightly connected so that casing forms confined space, therefore favorable sealing property.
Brief description of the drawings
With reference to the accompanying drawing enclosed, the present invention more purpose, function and advantages will pass through the described below of embodiment of the present invention
Illustrated, in the accompanying drawings：
Fig. 1 is prior art low cost heat dissipation battery box structure schematic diagram.
Fig. 2 is the battery case structural representation using refrigerator.
Fig. 3 is a kind of the first example structure schematic diagram of variable TR battery case of the present invention.
Fig. 4 is a kind of second of example structure schematic diagram of variable TR battery case of the present invention.
Fig. 5 is a kind of the third example structure schematic diagram of variable TR battery case of the present invention.
Description of reference numerals：
1：Fan； 2：Inlet of cold air； 3：Deflector；
4：Cold-air vent； 5：Battery core； 6：Air channel shell；
7th, refrigerator； 8：Upper shell； 9：Lower house；
10th, thermal insulation board； 11：Air heat-insulation layer； 12：Fin.
Embodiment
By reference to one exemplary embodiment, the purpose of the present invention and function and the method general for realizing these purposes and function
Illustrated.However, the present invention is not limited to one exemplary embodiment as disclosed below；Can be by multi-form come to it
Realized.The essence of specification is only to aid in the detail of the various equivalent modifications Integrated Understanding present invention.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
Show with according to the scheme of invention closely related structure and/or processing step, and eliminating little with relation of the present invention
Other details.
Hereinafter, embodiments of the invention will be described with reference to the drawings.In the accompanying drawings, identical reference represents identical
Or similar part, or same or like step.
A kind of the first embodiment of variable TR battery case of the invention shown in reference picture 3, include upper shell 8 with
Lower house 9, housing is interior to be provided with battery core 5, air heat-insulation layer 11 is set between housing and battery core 5, air heat-insulation layer 11 and inner walls are straight
Contact, the fan 1 provided with air flow in driving air heat-insulation layer 11 in housing, in the present embodiment, upper shell 8 and lower house
9 be sealed connection；In the present embodiment, when battery system needs insulation, fan 1 does not work, and air heat-insulation layer 11 hinders environment
Influence to battery core 5；When battery system needs radiating, fan 1 works, and driving air successively flows through the surface of battery core 5 and housing
Inwall, the circulation to be exchanged heat between battery core 5 and housing is formed, the air of insulation medium is changed into the circulatory mediator of conveying heat, will
The heat of battery core 5 accelerates to pass to inner walls, and the heat that inner walls absorb carries out whole heat exchanges by housing with extraneous.
A kind of second of embodiment of variable TR battery case of the invention as shown in Figure 4, battery core 5 and air heat-insulation layer
Thermal insulation board 10 is provided between 11, improves heat-insulating property.
A kind of the third embodiment of variable TR battery case of the invention as shown in Figure 5, in battery core 5 and lower house 9
Inwall is provided with the fin 12 of increase heat sinking function.
With reference to the explanation of the invention disclosed here and practice, other embodiment of the invention is for those skilled in the art
It all will be readily apparent and understand.Illustrate and embodiment is to be considered only as exemplary, of the invention true scope and purport is equal
It is defined in the claims.
Claims (7)
1. a kind of variable TR battery case, include upper shell and lower house, battery core be provided with housing, it is characterised in that：Shell
Air heat-insulation layer is set between body and battery core, the fan of air flow in driving air heat-insulation layer is provided with housing.
A kind of 2. variable TR battery case according to claim 1, it is characterised in that：The air heat-insulation layer and housing
Inwall directly contacts.
A kind of 3. variable TR battery case according to claim 1, it is characterised in that：The upper shell is with lower house
It is tightly connected.
A kind of 4. variable TR battery case according to claim 1, it is characterised in that：The battery core and air heat-insulation layer
Between be provided with thermal insulation board.
5. a kind of variable TR battery case according to claim 1, its feature day in：The battery core surface is provided with enhancing
The fin of radiating.
6. a kind of variable TR battery case according to claim 1, its feature day in：The inner walls, which are provided with, to be increased
The fin to radiate by force.
7. a kind of thermal management algorithm of the variable TR battery case in 1-6 such as claim as described in any one, its feature exist
In：When battery system needs insulation, fan does not work, and air heat-insulation layer hinders influence of the environment to battery；Work as battery system
When needing radiating, fan work, driving air flows through battery core surface and inner walls, and what is exchanged heat between composition battery core and housing follows
Ring, the air of insulation medium is changed into the circulatory mediator of conveying heat, battery core heat is accelerated to pass to inner walls, housing
The heat that inwall absorbs carries out whole heat exchanges by housing with extraneous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610773379.9A CN107799679A (en) | 2016-08-31 | 2016-08-31 | A kind of variable TR battery case and its thermal management algorithm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610773379.9A CN107799679A (en) | 2016-08-31 | 2016-08-31 | A kind of variable TR battery case and its thermal management algorithm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107799679A true CN107799679A (en) | 2018-03-13 |
Family
ID=61528277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610773379.9A Pending CN107799679A (en) | 2016-08-31 | 2016-08-31 | A kind of variable TR battery case and its thermal management algorithm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107799679A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428816A (en) * | 2018-03-16 | 2018-08-21 | 上海理工大学 | The high-efficiency heat-radiation dynamic cell packet of phase transformation and air-cooled combination |
| CN108444106A (en) * | 2018-04-25 | 2018-08-24 | 大连恒通和科技有限公司 | Boiler Used Coldly coagulates system |
| CN111244352A (en) * | 2020-01-20 | 2020-06-05 | 威睿电动汽车技术(宁波)有限公司 | Heat preservation battery package structure |
| CN111883874A (en) * | 2020-06-01 | 2020-11-03 | 浙江吉利汽车研究院有限公司 | Variable thermal resistance thermal management system of battery and control method |
| CN114914614A (en) * | 2022-05-16 | 2022-08-16 | 北京科易动力科技有限公司 | Battery pack |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009211829A (en) * | 2008-02-29 | 2009-09-17 | Nissan Motor Co Ltd | Battery pack |
| CN102227032A (en) * | 2011-05-24 | 2011-10-26 | 华南理工大学 | Passive power battery with heat dissipating device |
| CN104505480A (en) * | 2014-12-23 | 2015-04-08 | 中国北方车辆研究所 | Enclosed battery box for active heat management of electric vehicle |
| CN204760436U (en) * | 2015-05-28 | 2015-11-11 | 上海通用汽车有限公司 | Battery monomer, battery and vehicle |
-
2016
- 2016-08-31 CN CN201610773379.9A patent/CN107799679A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009211829A (en) * | 2008-02-29 | 2009-09-17 | Nissan Motor Co Ltd | Battery pack |
| CN102227032A (en) * | 2011-05-24 | 2011-10-26 | 华南理工大学 | Passive power battery with heat dissipating device |
| CN104505480A (en) * | 2014-12-23 | 2015-04-08 | 中国北方车辆研究所 | Enclosed battery box for active heat management of electric vehicle |
| CN204760436U (en) * | 2015-05-28 | 2015-11-11 | 上海通用汽车有限公司 | Battery monomer, battery and vehicle |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428816A (en) * | 2018-03-16 | 2018-08-21 | 上海理工大学 | The high-efficiency heat-radiation dynamic cell packet of phase transformation and air-cooled combination |
| CN108444106A (en) * | 2018-04-25 | 2018-08-24 | 大连恒通和科技有限公司 | Boiler Used Coldly coagulates system |
| CN111244352A (en) * | 2020-01-20 | 2020-06-05 | 威睿电动汽车技术(宁波)有限公司 | Heat preservation battery package structure |
| CN111244352B (en) * | 2020-01-20 | 2023-04-18 | 威睿电动汽车技术(宁波)有限公司 | Heat preservation battery package structure |
| CN111883874A (en) * | 2020-06-01 | 2020-11-03 | 浙江吉利汽车研究院有限公司 | Variable thermal resistance thermal management system of battery and control method |
| CN111883874B (en) * | 2020-06-01 | 2021-09-07 | 浙江吉利汽车研究院有限公司 | Variable thermal resistance thermal management system of battery and control method |
| CN114914614A (en) * | 2022-05-16 | 2022-08-16 | 北京科易动力科技有限公司 | Battery pack |
| CN114914614B (en) * | 2022-05-16 | 2023-09-12 | 北京科易动力科技有限公司 | battery pack |
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