CN103872403A - Anti-overheating cell module - Google Patents
Anti-overheating cell module Download PDFInfo
- Publication number
- CN103872403A CN103872403A CN201410082279.2A CN201410082279A CN103872403A CN 103872403 A CN103872403 A CN 103872403A CN 201410082279 A CN201410082279 A CN 201410082279A CN 103872403 A CN103872403 A CN 103872403A
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- China
- Prior art keywords
- heat
- radiator
- conductive pad
- battery module
- metal pole
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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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- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to the power cell field and in particular relates to an anti-overheating cell module, which comprises at least one cell monomer, wherein the cell monomer comprises a metal pole, an insulating thermal conductive spacer is arranged on the metal pole and a radiator is arranged on the insulating thermal conductive spacer. When the anti-overheating cell module is in use, the heat at the internal of the cell monomer can be transmitted to the insulating thermal conductive spacer and the radiator in sequence through the metal pole to complete radiating. Compared with the current cell module, the cell module disclosed by the invention can speed up radiating of the heat at the internal of the cell and reduce temperature rise, so that the service life of the cell module is prolonged and the problem that the current cell module is prone to overheating to be damaged is effectively solved.
Description
Technical field
The present invention relates to electrokinetic cell field, particularly a kind of anti-overheated battery module.
Background technology
Along with the day by day exhaustion of fossil energy and the raising day by day of environmental requirement, the new-energy automobiles such as growing, electronic/mixed moving big bus of electric automobile and Development of HEV Technology demand and private car are nowadays no longer strange.As the core component in new-energy automobile field, battery technology is directly to concern the key technology whether above-mentioned new-energy automobile can be applied.
Up to now, numerous novel high-energy metric density batteries such as LiFePO4, LiMn2O4, ternary material are progressively there are.Above-mentioned Novel power battery requires in application to have that energy density is high, discharge-rate is high, high-low temperature resistant environment, can bear repeatedly impulsive discharge, many technical characterstics such as have extended cycle life.Wherein temperature has great impact to battery performance and life-span, show according to available data and application case, electrokinetic cell environment for use temperature be controlled at 0 DEG C-25 DEG C the most favourable to giving full play to battery performance; Battery context excess Temperature, inside battery heat radiation is abundant not, will cause electrolyte decomposition, and battery diaphragm accelerated ageing, finally causes battery life seriously to be decayed, and may cause battery burning or blast in serious situation.
Existing battery module comprises battery cell, on battery cell, there is metal pole, but in battery module, not can be used in the heat abstractor that prevents that battery is overheated, the heat conductivility of battery cell is poor, the heat of battery cell inside cannot distribute in time, easily cause battery cell internal temperature sharply to rise and affect battery performance, even damaging battery module.
Summary of the invention
The object of the present invention is to provide a kind of anti-overheated battery module, be prone to the problem of cause thermal damage to solve existing battery module.
To achieve these goals, the present invention adopts following technical scheme: anti-overheated battery module, comprise at least one battery cell, and battery cell comprises metal pole, and metal pole is provided with insulating heat-conductive pad, and insulating heat-conductive pad is provided with radiator.
Described battery cell has more than two, between metal pole and insulating heat-conductive pad, is provided with the thermal conductive belt for realizing the serial or parallel connection between each battery cell.
Described thermal conductive belt is copper bar.
Between described thermal conductive belt and insulating heat-conductive pad, be provided with heat-conducting glue, thermal conductive belt and insulating heat-conductive pad bond together by heat-conducting glue.
Thermal conductive belt and metal pole are fixed together by set bolt and the stop nut of being located at set bolt end.
Described radiator is contact radiator.
Between described contact radiator and insulating heat-conductive pad, be provided with heat conductive silica gel, contact radiator and insulating heat-conductive pad bond together by heat-conducting silicone grease.
Beneficial effect of the present invention: when use, the heat of battery cell inside can be passed on insulating heat-conductive pad, radiator successively by metal pole, complete heat radiation, compared with existing battery module, battery module of the present invention can be accelerated distributing of inside battery heat, reduce temperature rise, thereby can extend the battery module life-span, efficiently solve existing battery module and be prone to the problem of cause thermal damage.
Further, can realize the serial or parallel connection between each battery cell by thermal conductive belt.
Further, compared with the thermal conductive belt of aluminium material or steel matter, copper bar has better heat conductivility and electric conductivity.
Further, compared with riveted joint or bolted mode, adopt the bonding mode of heat-conducting glue can guarantee the reliable contact between thermal conductive belt and insulation spacer and firmly be connected, can better transferring heat.
Further, compared with contactless radiator, contact radiator can better transferring heat, has better radiating effect.
Further, can realize contact radiator by heat-conducting silicone grease and contact with the reliable of insulating heat-conductive pad, heat can better be handed on contact radiator by insulating heat-conductive dig pass, thereby play better radiating effect.
Brief description of the drawings
Fig. 1 is the stereogram (not comprising radiator) of the embodiment 1 of anti-overheated battery module of the present invention;
Fig. 2 is the structural representation of the embodiment 1 of anti-overheated battery module of the present invention.
Embodiment
The embodiment 1 of anti-overheated battery module of the present invention, as shown in Figure 1-2: this solar heat protection battery module comprises three battery cells 1, each battery cell 1 top has metal pole 2, metal pole 2 is provided with thermal conductive belt 3, the top of thermal conductive belt 3 is provided with insulating heat-conductive pad 4, and the top of insulating heat-conductive pad 4 is provided with radiator 5.
Thermal conductive belt 3 has two effects, the one, heat conduction, is passed on insulating heat-conductive pad 4 by the heat on metal pole 2, and another is electrical connection, be that battery cell forms vertical or horizontal connection by thermal conductive belt, in circuit, realize the in parallel or series connection between each battery cell.In the present embodiment, thermal conductive belt 3 is copper bar; In other embodiments, thermal conductive belt can also be made up of the metal of other material, as aluminium or steel.On copper bar, open the plug-in opening for plug-in mounting metal pole, copper bar is set on metal pole 2 by plug-in opening, the space of the junction of copper bar and metal pole is used conduction lotion effectively to fill a vacancy, and guarantees between metal pole 2 and copper bar, to have good electrical contact.
Between thermal conductive belt 3 and insulating heat-conductive pad 4, be provided with heat-conducting glue, thermal conductive belt 3 bonds together by heat-conducting glue with insulating heat-conductive pad 4, and this heat-conducting glue is silica gel, and heat-conducting glue has played the effect of heat-conductive bridges.Thermal conductive belt 3 is fixed together by set bolt 61 and the stop nut 62 of being located at set bolt 61 ends with metal pole 2.Insulating heat-conductive pad 4 is provided with the first resigning hole that supplies set bolt 61 and stop nut 62 to pass through.
Insulating heat-conductive pad 4 has thermal conductivity and insulating properties.The puncture voltage of insulating heat-conductive pad 4 is 4000VAC, and working temperature is-60-200 DEG C that thermal conductivity is 3.5W/mK.
Radiator 5 is contact radiator, between contact radiator and insulating heat-conductive pad 4, is provided with heat conductive silica gel, and contact radiator and insulating heat-conductive pad 4 bond together by heat-conducting silicone grease.This contact radiator adopts metal material to make.On contact radiator, offer the second resigning hole that supplies set bolt 61 and stop nut 62 to pass through.Contact radiator comprises contact plate 51 for contacting with the upper surface of insulating heat-conductive pad 4, is located at the heating column 52 on contact plate 51 tops, downward-extension on heating column 52, and between each heating column, interval arranges.Gap between contact radiator and set bolt 61, stop nut 62 strengthens heat conductivility and insulation property herein by filling heat conductive silica gel, guarantees the electrical safety of system.Contact plate 51 has covered the upper surface of each battery cell.For fear of occurring that in vibration environment contact is loosening, at the edge of contact plate 51, installing hole 53 is set, between installing hole and each battery cell, the gap of edge is corresponding, in installing hole 53, is fitted with fastening bolt, radiator firmly can be anchored on battery cell by fastening bolt.
When use, heat bang path is: inside → metal pole 2 → thermal conductive belt 3 → insulating heat-conductive pad 4 → radiator 5 → extraneous medium of battery cell 1.Anti-overheated battery module of the present invention has good heat conductivility, can effectively prevent that battery cell is overheated.
In other embodiments, the fixed form between insulating heat-conductive pad and radiator can also be that riveted joint or bolt are connected; Fixed form between thermal conductive belt and insulating heat-conductive pad can also be that riveted joint or bolt are connected; Between thermal conductive belt and metal pole, also can achieve a fixed connection by bonding.
In other embodiments, can also only comprise a battery cell; Battery cell more than all right two or four.
In other embodiments, can also save thermal conductive belt, insulating heat-conductive pad is directly connected with metal pole.
In other embodiments, radiator can also be contactless radiator, between contactless radiator and insulating heat-conductive pad, can carry out heat transmission by heat-conducting gas.
Claims (7)
1. anti-overheated battery module, comprises at least one battery cell, and battery cell comprises metal pole, it is characterized in that: metal pole is provided with insulating heat-conductive pad, and insulating heat-conductive pad is provided with radiator.
2. anti-overheated battery module according to claim 1, is characterized in that: described battery cell has more than two, is provided with the thermal conductive belt for realize the serial or parallel connection between each battery cell at circuit between metal pole and insulating heat-conductive pad.
3. anti-overheated battery module according to claim 2, is characterized in that: described thermal conductive belt is copper bar.
4. anti-overheated battery module according to claim 2, is characterized in that: between described thermal conductive belt and insulating heat-conductive pad, be provided with heat-conducting glue, thermal conductive belt and insulating heat-conductive pad bond together by heat-conducting glue.
5. anti-overheated battery module according to claim 2, is characterized in that: thermal conductive belt and metal pole are fixed together by set bolt and the stop nut of being located at set bolt end.
6. according to the anti-overheated battery module described in any one in claim 1-5, it is characterized in that: described radiator is contact radiator.
7. anti-overheated battery module according to claim 6, is characterized in that: between described contact radiator and insulating heat-conductive pad, be provided with heat conductive silica gel, contact radiator and insulating heat-conductive pad bond together by heat-conducting silicone grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410082279.2A CN103872403B (en) | 2014-03-07 | 2014-03-07 | Prevent overheated battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410082279.2A CN103872403B (en) | 2014-03-07 | 2014-03-07 | Prevent overheated battery module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103872403A true CN103872403A (en) | 2014-06-18 |
| CN103872403B CN103872403B (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410082279.2A Active CN103872403B (en) | 2014-03-07 | 2014-03-07 | Prevent overheated battery module |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680118A (en) * | 2016-03-31 | 2016-06-15 | 河南环宇赛尔新能源科技有限公司 | Heat dissipation structure of flexible package lithium ion battery pack |
| CN106785184A (en) * | 2015-11-25 | 2017-05-31 | 哈尔滨智明科技有限公司 | A kind of heat dissipating method of power battery module |
| CN108039531A (en) * | 2017-10-27 | 2018-05-15 | 河南新太行电源股份有限公司 | A kind of battery structure |
| CN110176648A (en) * | 2019-01-28 | 2019-08-27 | 天津荣事顺发电子有限公司 | A kind of pair of battery electrode independent heat dissipation device |
| CN110571497A (en) * | 2019-09-20 | 2019-12-13 | 江西优特汽车技术有限公司 | metal shell power battery pole column heat dissipation structure and forming method thereof |
| WO2024174820A1 (en) * | 2023-02-21 | 2024-08-29 | 江苏正力新能电池技术有限公司 | Battery |
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| CN102804299A (en) * | 2009-06-25 | 2012-11-28 | 松下电器产业株式会社 | Electrical Storage Unit |
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| CN103178314A (en) * | 2013-02-28 | 2013-06-26 | 广东工业大学 | Battery heat management equipment with efficient balanced radiating function and electric heating function |
| CN203746995U (en) * | 2014-03-07 | 2014-07-30 | 中航锂电（洛阳）有限公司 | Anti-overheating battery module |
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2014
- 2014-03-07 CN CN201410082279.2A patent/CN103872403B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1694294A (en) * | 2004-05-04 | 2005-11-09 | 三星Sdi株式会社 | Secondary battery module |
| CN102301522A (en) * | 2008-11-28 | 2011-12-28 | 罗伯特·博世有限公司 | Battery |
| CN102804299A (en) * | 2009-06-25 | 2012-11-28 | 松下电器产业株式会社 | Electrical Storage Unit |
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| CN103178314A (en) * | 2013-02-28 | 2013-06-26 | 广东工业大学 | Battery heat management equipment with efficient balanced radiating function and electric heating function |
| CN203746995U (en) * | 2014-03-07 | 2014-07-30 | 中航锂电（洛阳）有限公司 | Anti-overheating battery module |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785184A (en) * | 2015-11-25 | 2017-05-31 | 哈尔滨智明科技有限公司 | A kind of heat dissipating method of power battery module |
| CN105680118A (en) * | 2016-03-31 | 2016-06-15 | 河南环宇赛尔新能源科技有限公司 | Heat dissipation structure of flexible package lithium ion battery pack |
| CN108039531A (en) * | 2017-10-27 | 2018-05-15 | 河南新太行电源股份有限公司 | A kind of battery structure |
| CN110176648A (en) * | 2019-01-28 | 2019-08-27 | 天津荣事顺发电子有限公司 | A kind of pair of battery electrode independent heat dissipation device |
| CN110571497A (en) * | 2019-09-20 | 2019-12-13 | 江西优特汽车技术有限公司 | metal shell power battery pole column heat dissipation structure and forming method thereof |
| WO2024174820A1 (en) * | 2023-02-21 | 2024-08-29 | 江苏正力新能电池技术有限公司 | Battery |
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| Publication number | Publication date |
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| CN103872403B (en) | 2016-10-05 |
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Effective date of registration: 20220105 Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: Zhongchuangxin Aviation Technology Co.,Ltd. Address before: No.66, Binhe North Road, high tech Development Zone, Luoyang City, Henan Province Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |
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