CN105552272A - Power battery pack - Google Patents
Power battery pack Download PDFInfo
- Publication number
- CN105552272A CN105552272A CN201610111690.7A CN201610111690A CN105552272A CN 105552272 A CN105552272 A CN 105552272A CN 201610111690 A CN201610111690 A CN 201610111690A CN 105552272 A CN105552272 A CN 105552272A
- Authority
- CN
- China
- Prior art keywords
- strutting piece
- elastic component
- electrokinetic cell
- coldplate
- cell bag
- 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.)
- Pending
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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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- 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)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to a power battery pack, including battery box, battery module, insulating heat conduction pad, cooling plate and bearing structure, the battery module is fixed on the bottom plate of battery box, insulating heat conduction pad sets up the bottom of battery module, the cooling plate laminating sets up the below of insulating heat conduction pad, bearing structure includes support piece and elastic component, support piece with the elastic component links to each other, support piece with the lower surface of cooling plate laminates mutually, the elastic component with the bottom plate of battery box contacts, and is right support piece applys ascending elasticity, makes the cooling plate with the lower surface of insulating heat conduction pad laminates mutually. The power battery package that this application provided links to each other through support piece and elastic component and provides the holding power for the cooling plate jointly, makes the cooling plate can closely laminate with the battery to can provide the cushion effect for the cooling plate, when receiving vibrations and assaulting, make the cooling plate avoid the impact.
Description
Technical field
The application relates to a kind of power battery technology field, particularly relates to a kind of electrokinetic cell bag possessing buffer capacity when coldplate is given a shock impact and coldplate is affected from jerk.
Background technology
Existing electrokinetic cell bag adopt bolt and metal platen for coldplate and battery modules provide thrust make both realize fitting tightly, thus guarantee can carry out sufficient heat conduction between coldplate and battery modules.But; to be coordinated with metal platen by bolt and compress coldplate and battery modules exists following problem; owing between metal platen and coldplate being the contact of rigidity; once metal platen is given a shock impact; metal platen can directly by impact force action on coldplate, and buffer protection cannot be provided for coldplate.
Summary of the invention
This application provides a kind of electrokinetic cell bag, it efficiently solves the problem that coldplate is subject to shake.
The application provides a kind of electrokinetic cell bag, comprise battery case, battery modules, insulating heat-conductive pad, coldplate and supporting construction, described battery modules is fixed on the base plate of described battery case, described insulating heat-conductive pad is arranged on the bottom of described battery modules, described coldplate laminating is arranged on the below of described insulating heat-conductive pad, described supporting construction comprises strutting piece and elastic component, described strutting piece is connected with described elastic component, the lower surface of described strutting piece and described coldplate fits, described elastic component contacts with the base plate of described battery case, and to described strutting piece applying elastic force upwards, the lower surface of described coldplate and described insulating heat-conductive pad is fitted.
Preferably, described strutting piece is platy structure, described elastic component is sheet material, described elastic component is perpendicular to the cross section of its bearing of trend, comprise at least one domes, the vault of described domes connects with the lower surface of described strutting piece, and the arch springing of described domes extends to the direction away from described strutting piece.
Preferably, also comprise the first hole clipping and the first buckle, described first buckle is arranged on strutting piece, and described first hole clipping is arranged on elastic component, and described strutting piece and described elastic component to be coordinated with described first hole clipping by described first buckle and connect.
Preferably, described first hole clipping is multiple, and described first buckle is multiple.
Preferably, described first buckle is round buckle, side's button, kidney-shaped button or oblique angle button.
Preferably, described strutting piece also comprises the second buckle for being connected with described coldplate or the second hole clipping.
Preferably, described second buckle be arranged on described strutting piece narrow side on and perpendicular to described strutting piece.
Preferably, the arch springing of described domes in opposite directions or opposing bending setting.
Preferably, described strutting piece arranges multiple groove.
Preferably, described battery modules is fixed on the base plate of described battery case by stay bolt.
The technical scheme that the application provides can reach following beneficial effect:
The electrokinetic cell bag that the application provides, is connected jointly for coldplate provides support power with elastic component by strutting piece, coldplate is fitted tightly with battery, and can provide cushion effect for coldplate, when being given a shock impact, making coldplate from impact.
Should be understood that, it is only exemplary that above general description and details hereinafter describe, and can not limit the application.
Accompanying drawing explanation
The stereogram of the electrokinetic cell bag that Fig. 1 provides for the embodiment of the present application;
The front view of the electrokinetic cell bag that Fig. 2 provides for the embodiment of the present application;
The stereogram one of the supporting construction that Fig. 3 provides for the embodiment of the present application;
The stereogram two of the supporting construction that Fig. 4 provides for the embodiment of the present application;
The vertical view of the supporting construction that Fig. 5 provides for the embodiment of the present application.
1, battery modules; 2, insulating heat-conductive pad; 3, coldplate; 4, supporting construction; 41, strutting piece; 411, groove; 412, the first buckle; 413, the second buckle; 42, elastic component; 421, vault; 422, arch springing; 423, the first hole clipping.
Accompanying drawing to be herein merged in specification and to form the part of this specification, shows the embodiment meeting the application, and is used from specification one principle explaining the application.
Embodiment
Also by reference to the accompanying drawings the application is described in further detail below by specific embodiment."front", "rear" in literary composition, "left", "right", " on ", D score all with the laying state of the electrokinetic cell bag in accompanying drawing for reference.
As shown in Figure 1-2, the embodiment of the present application provides a kind of electrokinetic cell bag, comprise battery case, battery modules 1, insulating heat-conductive pad 2 and coldplate 3, battery modules 1 is fixed on the base plate of battery case by stay bolt, insulating heat-conductive pad 2 is arranged on the bottom of battery modules, coldplate 3 laminating is arranged on the below of insulating heat-conductive pad 2, insulating heat-conductive pad 2 fits tightly with battery modules 1 and coldplate 3 respectively, thus the air got rid of insulating heat-conductive pad 2 as far as possible and exist between battery modules 1 and coldplate 3, with the thermal conduction effect making insulating heat-conductive pad 2 reach best.Existing electrokinetic cell bag adopts bolt and metal platen to coordinate for providing thrust between coldplate 3 and battery modules 1; thus make the two realize fitting tightly; but owing between metal platen and coldplate 3 being the contact of rigidity; once metal platen is given a shock impact; metal platen can directly by impact force action on coldplate 3, and buffer protection cannot be provided for coldplate 3.Therefore, in order to solve this technical problem, the application devises supporting construction 4, concrete, as shown in Figure 3, supporting construction 4 comprises strutting piece 41 and the elastic component 42 of platy structure, strutting piece 41 is connected with elastic component 42, strutting piece 41 fits with the lower surface of coldplate 3, elastic component 42 contacts with the base plate of battery case, when electrokinetic cell bag is given a shock impact, impulsive force is directly acted on elastic component 42 by battery case, elastic component 42 forced compression is also the elastic force that strutting piece 41 provides upwards simultaneously, elastic force upwards makes coldplate 3 and insulating heat-conductive pad 2 fit tightr, thus further enhancing the laminating degree of insulating heat-conductive pad 2 and battery modules 1.
Be connected more firm in order to make strutting piece 41 with elastic component 42, the application also comprises multiple first buckle 412 be arranged on strutting piece 41 and multiple first hole clippings 423 be arranged on elastic component 42, being connected of first buckle 412 and first hole clipping 423 equal with the first hole clipping 423 quantity and the first buckle 412, in addition, the first buckle 412 can select round buckle, side's button, kidney-shaped button or oblique angle button.
In order to make strutting piece 41 to be connected with coldplate 3 more firm, fit tightr, strutting piece 41 in the application is also provided with the second hole clipping for being connected with coldplate 3 or the second buckle 413, relevant position on coldplate 3 is provided with corresponding buckle or hole clipping, in the present embodiment, second buckle 413 is arranged on the narrow side of strutting piece 41, and the second buckle 413 is perpendicular with strutting piece 41.As illustrated in figures 4-5, in order to reduce the weight of strutting piece 41, the application is provided with multiple groove 411 on strutting piece 41.
That fits between coldplate 3 and battery modules 1 is tightr, and heat conducting efficiency is higher.Therefore, the cross section of the elastic component 42 in the application comprises at least one domes, this cross section is perpendicular to the cross section of elastic component 42 extension aspect, the vault 421 of domes connects with the lower surface of strutting piece 41, the arch springing 422 of domes extends to the direction away from strutting piece 41, and arch springing 422 in opposite directions or opposing bending setting define curved surface, this curved surface contacts with battery case base plate.
The electrokinetic cell bag that the present embodiment provides, to be connected with elastic component 42 by strutting piece 41 and jointly to provide support power for coldplate 3, coldplate 3 can be fitted tightly with battery, and cushion effect can be provided for coldplate 3, when being given a shock impact, make coldplate 3 from impact.
These are only the preferred embodiment of the application, be not limited to the application, for a person skilled in the art, the application can have various modifications and variations.Within all spirit in the application and principle, any amendment done, equivalent replacement, improvement etc., within the protection range that all should be included in the application.
Claims (10)
1. an electrokinetic cell bag, it is characterized in that, comprise battery case, battery modules, insulating heat-conductive pad, coldplate and supporting construction, described battery modules is fixed on the base plate of described battery case, described insulating heat-conductive pad is arranged on the bottom of described battery modules, described coldplate laminating is arranged on the below of described insulating heat-conductive pad, described supporting construction comprises strutting piece and elastic component, described strutting piece is connected with described elastic component, the lower surface of described strutting piece and described coldplate fits, described elastic component contacts with the base plate of described battery case, and to described strutting piece applying elastic force upwards, the lower surface of described coldplate and described insulating heat-conductive pad is fitted.
2. electrokinetic cell bag according to claim 1, it is characterized in that, described strutting piece is platy structure, described elastic component is sheet material, described elastic component is perpendicular to the cross section of its bearing of trend, comprise at least one domes, the vault of described domes connects with the lower surface of described strutting piece, and the arch springing of described domes extends to the direction away from described strutting piece.
3. electrokinetic cell bag according to claim 2, it is characterized in that, also comprise the first hole clipping and the first buckle, described first buckle is arranged on strutting piece, described first hole clipping is arranged on elastic component, and described strutting piece and described elastic component are clasped by described first hole clipping and described first and connect.
4. electrokinetic cell bag according to claim 3, is characterized in that, described first hole clipping is multiple, and described first buckle is multiple.
5. electrokinetic cell bag according to claim 4, is characterized in that, described first buckle is round buckle, side's button, kidney-shaped button or oblique angle button.
6. according to the electrokinetic cell bag in claim 5 described in any one, it is characterized in that, described strutting piece also comprising the second buckle for being connected with described coldplate or the second hole clipping.
7. electrokinetic cell bag according to claim 6, is characterized in that, on the narrow side that described second buckle is arranged on described strutting piece and perpendicular to described strutting piece.
8. electrokinetic cell bag according to claim 7, is characterized in that, the arch springing of described domes in opposite directions or opposing bending setting.
9. electrokinetic cell bag according to claim 8, is characterized in that, described strutting piece arranges multiple groove.
10. electrokinetic cell bag according to claim 1, is characterized in that, described battery modules is fixed on the base plate of described battery case by stay bolt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610111690.7A CN105552272A (en) | 2016-02-29 | 2016-02-29 | Power battery pack |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610111690.7A CN105552272A (en) | 2016-02-29 | 2016-02-29 | Power battery pack |
Publications (1)
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CN105552272A true CN105552272A (en) | 2016-05-04 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610111690.7A Pending CN105552272A (en) | 2016-02-29 | 2016-02-29 | Power battery pack |
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CN (1) | CN105552272A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108630850A (en) * | 2017-03-17 | 2018-10-09 | 大众汽车有限公司 | Component for fastening battery cell and/or cell group |
CN109825255A (en) * | 2019-03-15 | 2019-05-31 | 北京海纳川汽车部件股份有限公司 | Foamed aluminium radical composite phase-change material and preparation method thereof, cooled partition and electric automobile battery box |
CN110190360A (en) * | 2019-06-20 | 2019-08-30 | 浙江银轮机械股份有限公司 | A kind of cooling plate supporting device of dynamic lithium battery |
CN110767858A (en) * | 2019-11-04 | 2020-02-07 | 华霆(合肥)动力技术有限公司 | Battery pack and electric vehicle |
CN111448090A (en) * | 2017-12-08 | 2020-07-24 | 标致雪铁龙汽车股份有限公司 | Electric or hybrid vehicle comprising a reinforcement U-shaped element of a battery module block |
Citations (5)
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CN103238250A (en) * | 2010-07-30 | 2013-08-07 | 法雷奥空调系统有限责任公司 | Cooling device and vehicle battery assembly |
CN203260692U (en) * | 2013-04-22 | 2013-10-30 | 比亚迪股份有限公司 | Energy storage battery module |
CN104205412A (en) * | 2012-05-18 | 2014-12-10 | 宝马股份公司 | Cooling device for a vehicle battery, vehicle battery assembly, and method for producing a cooling device |
CN204614833U (en) * | 2015-05-11 | 2015-09-02 | 宁德时代新能源科技有限公司 | Battery modules and electrokinetic cell system |
CN205542966U (en) * | 2016-02-29 | 2016-08-31 | 宁德时代新能源科技股份有限公司 | Power battery pack |
-
2016
- 2016-02-29 CN CN201610111690.7A patent/CN105552272A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103238250A (en) * | 2010-07-30 | 2013-08-07 | 法雷奥空调系统有限责任公司 | Cooling device and vehicle battery assembly |
CN104205412A (en) * | 2012-05-18 | 2014-12-10 | 宝马股份公司 | Cooling device for a vehicle battery, vehicle battery assembly, and method for producing a cooling device |
CN203260692U (en) * | 2013-04-22 | 2013-10-30 | 比亚迪股份有限公司 | Energy storage battery module |
CN204614833U (en) * | 2015-05-11 | 2015-09-02 | 宁德时代新能源科技有限公司 | Battery modules and electrokinetic cell system |
CN205542966U (en) * | 2016-02-29 | 2016-08-31 | 宁德时代新能源科技股份有限公司 | Power battery pack |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108630850A (en) * | 2017-03-17 | 2018-10-09 | 大众汽车有限公司 | Component for fastening battery cell and/or cell group |
CN111448090A (en) * | 2017-12-08 | 2020-07-24 | 标致雪铁龙汽车股份有限公司 | Electric or hybrid vehicle comprising a reinforcement U-shaped element of a battery module block |
CN109825255A (en) * | 2019-03-15 | 2019-05-31 | 北京海纳川汽车部件股份有限公司 | Foamed aluminium radical composite phase-change material and preparation method thereof, cooled partition and electric automobile battery box |
CN110190360A (en) * | 2019-06-20 | 2019-08-30 | 浙江银轮机械股份有限公司 | A kind of cooling plate supporting device of dynamic lithium battery |
CN110767858A (en) * | 2019-11-04 | 2020-02-07 | 华霆(合肥)动力技术有限公司 | Battery pack and electric vehicle |
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Application publication date: 20160504 |
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