CN108091800A - Battery case and its cooling system - Google Patents
Battery case and its cooling system Download PDFInfo
- Publication number
- CN108091800A CN108091800A CN201711288092.8A CN201711288092A CN108091800A CN 108091800 A CN108091800 A CN 108091800A CN 201711288092 A CN201711288092 A CN 201711288092A CN 108091800 A CN108091800 A CN 108091800A
- Authority
- CN
- China
- Prior art keywords
- battery
- head cover
- bucket
- case
- air passage
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 34
- 238000007600 charging Methods 0.000 claims abstract description 8
- 230000017525 heat dissipation Effects 0.000 claims description 36
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- 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
Landscapes
- 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 invention discloses a kind of battery case and its cooling systems.Wherein, the cooling system of the battery case includes：Battery bucket, for disposing battery modules, wherein, the battery bucket and the side of the battery modules contact directly；Head cover air passage is arranged on the head cover of the battery bucket, is radiated when charging for the battery in the battery case, wherein, the head cover is covered on the battery bucket；Battery bucket air passage is arranged on the side of the battery bucket, for radiating during battery discharge in the battery case；And radiator fan, it is arranged on the bottom case of the battery case, for suctioning out the heat in the head cover air passage and the battery bucket air passage, wherein, the battery bucket is placed in the bottom case.The present invention solves the technical issues of water-cooling project is complicated.
Description
Technical field
The present invention relates to field of batteries, in particular to a kind of battery case and its cooling system.
Background technology
In the prior art, lithium titanate battery low-temperature characteristics is good, long circulation life, very high security, almost without heat
It is out of control, very stablize during operation.Lithium titanate battery is increasingly by the pro-gaze in market from a security standpoint.And
And lithium titanate also has high-power advantage, can realize the advantage of high power charging-discharging, meeting 5C chargings, (" c " refers to battery modules
Capacity, " 5C " refers to the size of charging current." 1C ", which charges, to be represented to complete to charge when 1 is small." 5C ", which charges, represents small 0.2
When, i.e., complete charging process within 12 minutes)；But substantial amounts of heat can be generated in the charging of 5C high powers, if the not no quilt in time of heat
It takes away the service life that will influence battery or even threatens the safety of the person, so the design of the cooling air channel system of battery case becomes
It obtains particularly important.
Generally in order to which heat dissipation effect can use water-cooling, although water-cooling project heat dissipation effect is relatively good, water cooling side
Case is complicated, and cost is higher.
For it is above-mentioned the problem of, currently no effective solution has been proposed.
The content of the invention
It is complicated at least to solve water-cooling project an embodiment of the present invention provides a kind of battery case and its cooling system
Technical problem.
One side according to embodiments of the present invention provides a kind of cooling system of battery case, including：Battery bucket is used
In placement battery modules, wherein, the battery bucket and the side of the battery modules contact directly；Head cover air passage is arranged on institute
On the head cover for stating battery bucket, radiate when charging for the battery in the battery case, wherein, the head cover is covered in institute
It states on battery bucket；Battery bucket air passage is arranged on the side of the battery bucket, during for battery discharge in the battery case
It radiates；And radiator fan, it is arranged on the bottom case of the battery case, for suctioning out the head cover air passage and the battery
Heat in bucket air passage, wherein, the battery bucket is placed in the bottom case.
Optionally, the battery case includes head cover and head cover wind shield, and the head cover wind shield is covered on the head cover
Side, the head cover air passage are arranged on the head cover, and are contacted with the aluminium row in the battery bucket.
Optionally, the bottom of the head cover sets at least one heat dissipation channel, the length of the heat dissipation channel and the head cover
While it is arranged in parallel, alternatively, being arranged in parallel with the short side of the head cover.
Optionally, radiation rib is provided in the heat dissipation channel, for increasing heat dissipation area.
Optionally, the battery bucket air passage further includes：It is arranged at least one heat dissipation channel of the battery bottom of the barrel, institute
The long side for stating heat dissipation channel and the head cover is arranged in parallel, alternatively, being arranged in parallel with the short side of the head cover.
Optionally, battery case is told using composite material, and the thermal conductivity factor of the composite material is at 0.5-1.0W/m DEG C.
Optionally, the radiator fan is arranged on the side of the bottom case, with being arranged on described in the battery barrel side face
Battery bucket air passage is correspondingly arranged.
Optionally, the radiator fan is multiple.
Another aspect according to embodiments of the present invention additionally provides a kind of battery case, described including above-mentioned cooling system
Battery case includes：Bottom case is provided with radiator fan in the side of the bottom case；Battery bucket, for holding battery modules, the electricity
Pond bucket is placed in the bottom case；Head cover is arranged on the top of the battery bucket；Head cover wind shield is covered on the head cover,
For sealing the battery bucket, and the battery bucket is fixed on the bottom case.
In embodiments of the present invention, using radiator fan, heat is medium by air, is rotated by fan and realizes battery case
The interior draught head with outside case, air flow through the air passage for gathering heat, and the hot-air in final each air passage is summarised in bottom case fan mouth, by
Fan is discharged, and so as to which the heat in battery case be suctioned out, realizes that battery bucket air passage is radiated simultaneously with head cover air passage, and then solves
The technical issues of water-cooling project is complicated.
Description of the drawings
Attached drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description does not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of battery case according to embodiments of the present invention；
Fig. 2 is the decomposition diagram of battery case according to embodiments of the present invention；
Fig. 3 is the schematic diagram of the head cover of battery case according to embodiments of the present invention；
Fig. 4 is the schematic diagram of bottom case according to embodiments of the present invention and battery bucket.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the present invention program, below in conjunction in the embodiment of the present invention
The technical solution in the embodiment of the present invention is clearly and completely described in attached drawing, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without making creative work should all belong to the model that the present invention protects
It encloses.
According to embodiments of the present invention, a kind of battery case is provided.Fig. 1 is the signal of battery case according to embodiments of the present invention
Figure.Fig. 2 is the decomposition diagram of battery case according to embodiments of the present invention.
As shown in Fig. 2, the battery case includes：Bottom case 4 is provided with radiator fan 5 in the side of bottom case 4；Battery bucket 3 is used
In holding battery modules, battery bucket 3 is placed in bottom case 4；Head cover 2 is arranged on the top of battery bucket 3；Head cover wind shield 1, covers
It covers on head cover 2, for sealed cell bucket 3, and battery bucket 3 is fixed on bottom case 4.
The present embodiment additionally provides a kind of cooling system of battery case.The cooling system of the battery case is in head cover 2 and battery
Air passage is set on bucket 3, for radiating.The cooling system of the present embodiment is illustrated below in conjunction with Fig. 3 and Fig. 4.
Cooling system in the embodiment of the present invention includes head cover air passage, battery bucket air passage and radiator fan.Specifically, battery
Bucket, for disposing battery modules, wherein, the side of battery bucket and battery modules contacts directly；Head cover air passage is arranged on battery bucket
Head cover on, in battery case battery charge when radiate, wherein, head cover is covered on battery bucket；Battery bucket wind
Road is arranged on the side of battery bucket, for radiating during battery discharge in battery case；And radiator fan, it sets
On the bottom case of battery case, for suctioning out the heat in head cover air passage and battery bucket air passage, wherein, battery bucket is placed in bottom case
In.
Using radiator fan, heat is medium by air, rotated by fan realize in battery case with the draught head outside case,
Air flows through the air passage for gathering heat, and the hot-air in final each air passage is summarised in bottom case fan mouth, is discharged by fan, so as to by electricity
Heat in the case of pond suctions out, and realizes that battery bucket air passage is radiated simultaneously with head cover air passage.Lithium titanate battery is in Gao Gong with this solution
When rate 5C charges, by temperature control in the safe range of battery, it can effectively ensure that battery modules work normally.The present invention
The technical solution of embodiment uses air cooling system, using the heat in air passage and fan discharge battery case, solves existing water
The technical issues of cooling system is complicated.Also, since the heat that the air passage of the application can arrange aluminium and battery generates carries out
Heat dissipation in time improves the heat dissipation effect of air cooling system.
Optionally, battery case includes head cover 2 and head cover wind shield 1, and head cover wind shield 1 is covered in 2 top of head cover, head cover wind
Road is arranged on head cover 2, and is contacted with the aluminium row in battery bucket.
When 5C charges, heat is concentrated mainly on aluminium row, and aluminium row's high power operation can generate substantial amounts of heat, pass through spy
The head cover 2 of different material is contacted directly with aluminium row, the maximum amount of aluminium can be arranged heat transmission above into head cover ducting system,
Heat is suctioned out finally by radiator fan 5.
Optionally, the bottom of the head cover sets at least one heat dissipation channel, the length of the heat dissipation channel and the head cover
While it is arranged in parallel, alternatively, being arranged in parallel with the short side of the head cover.
Optionally, radiation rib is provided in heat dissipation channel, for increasing heat dissipation area.
As shown in figure 3, radiation rib 6 is provided on head cover 2.Radiation rib 6 can increase heat dissipation area, help battery case
Interior heat distributes.Capable heat dissipation further is discharged into lithium battery in battery bucket 3 and the aluminium on lithium battery surface.
Optionally, battery bucket air passage further includes：Be arranged at least one heat dissipation channel of battery bottom of the barrel, heat dissipation channel with
The long side of battery bucket is arranged in parallel, alternatively, being arranged in parallel with the short side of battery bucket.
Optionally, radiator fan is arranged on the side of bottom case, the battery bucket air passage pair with being arranged on battery barrel side face
It should set.
As shown in figure 4, the side of the battery bucket 4 is provided with battery bucket air passage 7, the battery bucket air passage 7 is right with radiator fan 5
It should set, the heat in battery case can be sucked out and released by radiator fan and battery bucket air passage using air as medium
It puts.The battery bucket air passage of drain pan side is arranged in parallel multiple on the vertical direction of battery bucket.Battery bottom of the barrel is also provided at least
One heat dissipation wind channel radiates, these long sides for being arranged on the heat dissipation channel and battery bucket of battery bottom of the barrel are arranged in parallel, alternatively,
It is arranged in parallel with the short side of battery bucket.
Optionally, battery case is told using composite material, and the thermal conductivity factor of composite material is at 0.5-1.0W/m DEG C.Its
In, the thermal conductivity factor of the composite material is larger, can preferably conduct heat using the head cover and battery bucket that meet material making
Amount so that battery can be discharged in the electricity that charging and discharging generate in the process..
In the present embodiment, single case devises upper strata head cover heat dissipation wind channel and lower floor's battery bucket two layers of radiation air of heat dissipation wind channel
Road, and two layers of air passage shares one group of radiator fan, improves heat dissipation effect, meets electrokinetic cell system integral heat sink demand.
The advantages of the present embodiment, is as follows：
The cooling heat dissipation wind channel system not only on battery bucket, can also form air passage between battery bucket and bottom case, realize
The each side of battery modules contacts heat dissipation with air passage；
The cooling heat dissipation wind channel system, head cover cooperatively form head cover heat dissipation wind channel with head cover wind shield；
The cooling heat dissipation wind channel system, head cover air passage shares a set of air outlet with battery bucket air passage, simplifies battery case
Structure；
It is described to cool down heat dissipation wind channel system, rib is designed on head cover, adds heat dissipation area.
It will be apparent to those skilled in the art that without departing from the principle of the present invention, several improvement can also be made
And retouching, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of cooling system of battery case, which is characterized in that including：
Battery bucket, for disposing battery modules, wherein, the battery bucket and the side of the battery modules contact directly；
Head cover air passage is arranged on the head cover of the battery bucket, is radiated when charging for the battery in the battery case,
Wherein, the head cover is covered on the battery bucket；
Battery bucket air passage is arranged on the side of the battery bucket, for being dissipated during battery discharge in the battery case
Heat；And
Radiator fan is arranged on the bottom case of the battery case, for suctioning out in the head cover air passage and the battery bucket air passage
Heat, wherein, the battery bucket is placed in the bottom case.
2. cooling system according to claim 1, which is characterized in that the battery case includes head cover and head cover wind shield,
The head cover wind shield is covered in above the head cover, and the head cover air passage is arranged on the head cover, and with the battery
Aluminium row's contact in bucket.
3. cooling system according to claim 1, which is characterized in that the bottom of the head cover sets at least one heat dissipation logical
Road, the long side of the heat dissipation channel and the head cover are arranged in parallel, alternatively, being arranged in parallel with the short side of the head cover.
4. cooling system according to claim 3, which is characterized in that radiation rib is provided in the heat dissipation channel, is used
In increase heat dissipation area.
5. cooling system according to claim 1, which is characterized in that the battery bucket air passage further includes：
At least one heat dissipation channel of the battery bottom of the barrel is arranged on, the heat dissipation channel is parallel with the long side of the head cover to be set
It puts, alternatively, being arranged in parallel with the short side of the head cover.
6. cooling system according to any one of claim 1 to 5, which is characterized in that tell that battery case uses composite wood
Material, the thermal conductivity factor of the composite material is at 0.5-1.0W/m DEG C.
7. cooling system according to claim 1, which is characterized in that the radiator fan is arranged on the side of the bottom case
Face, the battery bucket air passage with being arranged on the battery barrel side face are correspondingly arranged.
8. cooling system according to claim 1, which is characterized in that the radiator fan is multiple.
9. a kind of battery case, which is characterized in that including cooling system described in any item of the claim 1 to 8, the battery case
Including：
Bottom case is provided with radiator fan in the side of the bottom case；
Battery bucket, for holding battery modules, the battery bucket is placed in the bottom case；
Head cover is arranged on the top of the battery bucket；
Head cover wind shield is covered on the head cover, for sealing the battery bucket, and the battery bucket is fixed on described
On bottom case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711288092.8A CN108091800B (en) | 2017-12-07 | 2017-12-07 | Battery box and cooling system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711288092.8A CN108091800B (en) | 2017-12-07 | 2017-12-07 | Battery box and cooling system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108091800A true CN108091800A (en) | 2018-05-29 |
| CN108091800B CN108091800B (en) | 2024-02-27 |
Family
ID=62174329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711288092.8A Active CN108091800B (en) | 2017-12-07 | 2017-12-07 | Battery box and cooling system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108091800B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088121A (en) * | 2018-07-12 | 2018-12-25 | 珠海格力精密模具有限公司 | Battery case and battery case |
| CN109244592A (en) * | 2018-09-20 | 2019-01-18 | 浙江中车电车有限公司 | A kind of air-cooled structure and battery case |
| CN110010817A (en) * | 2019-05-20 | 2019-07-12 | 金华职业技术学院 | A kind of new energy car battery mould group storage device |
| CN114566735A (en) * | 2022-03-02 | 2022-05-31 | 深圳市华宝新能源股份有限公司 | Heat radiation structure and energy storage power supply |
| CN114678648A (en) * | 2022-03-28 | 2022-06-28 | 珠海科创电力电子有限公司 | Energy storage module restraining structure, energy storage module and assembling method |
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| CN109244592A (en) * | 2018-09-20 | 2019-01-18 | 浙江中车电车有限公司 | A kind of air-cooled structure and battery case |
| CN110010817A (en) * | 2019-05-20 | 2019-07-12 | 金华职业技术学院 | A kind of new energy car battery mould group storage device |
| CN110010817B (en) * | 2019-05-20 | 2022-06-07 | 金华职业技术学院 | New energy automobile battery module storage device |
| CN114566735A (en) * | 2022-03-02 | 2022-05-31 | 深圳市华宝新能源股份有限公司 | Heat radiation structure and energy storage power supply |
| CN114678648A (en) * | 2022-03-28 | 2022-06-28 | 珠海科创电力电子有限公司 | Energy storage module restraining structure, energy storage module and assembling method |
| CN114678648B (en) * | 2022-03-28 | 2024-03-26 | 珠海科创电力电子有限公司 | Energy storage module restraint structure, energy storage module and assembly method |
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