CN101290997A - Battery module of heat radiating type - Google Patents
Battery module of heat radiating type Download PDFInfo
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- CN101290997A CN101290997A CNA2007100978620A CN200710097862A CN101290997A CN 101290997 A CN101290997 A CN 101290997A CN A2007100978620 A CNA2007100978620 A CN A2007100978620A CN 200710097862 A CN200710097862 A CN 200710097862A CN 101290997 A CN101290997 A CN 101290997A
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- battery
- heat radiating
- battery module
- radiating type
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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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Abstract
The invention discloses a radiating type battery module. The battery module comprises a shell, at least one battery core and at least one radiating fin. The shell is provided with at least one opening; and the battery core and the radiating fin are configured in the shell. The battery core has a contact surface; the radiating fin is provided with an inner surface and an outer surface; and part of the inner surface is coupled with the shape of the contact surface. The outer surface is provided with a plurality of notch grooves and contacted with the shell in order that the opening correspondingly exposes at least one of the notch grooves. The battery core of the invention can radiate by the radiating fin and the opening, thereby avoiding the problems that the battery core is overheated or has low charging and discharging efficiency.
Description
Technical field
The invention relates to a kind of battery module, and particularly relevant for a kind of battery module of heat radiating type.
Background technology
Along with development of science and technology, human dependence for electronic installation grows with each passing day, and portable electronic devices (portable electronic device) more is subjected to consumer's favor gradually because of having compact characteristic.For the convenience on using; portable electronic devices such as notebook computer (NotebookPC) can have rechargeable battery (rechargeable battery) usually, can not have to operate portable electronic devices by the rechargeable battery power supply under the environment of external power supply to make the user.Wherein, the present rechargeable battery that is usually used in notebook computer is with the lithium ion battery of lithium salts (lithium salt) as electrolyte (electrolyte).
Because lithium salts be liquid organic solvent (organic solvent), and lithium salts must be controlled in the safe temperature range, explodes or the problem of efficiency for charge-discharge reduction because of overheated (overheating) produces in charging or use to avoid it.Therefore, lithium ion battery normally is made up of the battery (cell) of a plurality of coating lithium salts and core (core), so that the caloric value of lithium salts when discharging and recharging is easier to Be Controlled.
It should be noted that in known technology because notebook computer is lower to the generated output demand of battery, therefore, the heat that lithium ion battery is produced usually can be too not high, and be difficult for producing overheated problem when power supply.Therefore, the lithium ion battery in the known skill does not have cooling system usually yet.Yet because the functional diversities of present notebook computer, power consumption is also higher, to the also increase day by day of generated output demand of battery, and then makes the caloric value of lithium ion battery when power supply also more and more higher.Therefore, lithium ion battery must be at its heat dissipation problem redesign.
Summary of the invention
The invention provides a kind of heat radiating type (thermally enhanced) battery module,, and then avoid the problem of the overheated or efficiency for charge-discharge reduction of battery so that the heat that its battery the time is produced in power supply can be by fin and these perforates heat radiation.
The present invention proposes a kind of battery module of heat radiating type, comprises a shell, at least one battery and at least one fin (heat dissipation fin).Shell has at least one perforate, and battery and fin all are disposed in the shell.Battery has a contact surface, and fin has an inner surface and an outer surface, and the shape coupling of the contact surface of the inner surface of part and battery.Outer surface has a plurality of cuttings, and and housing contacts so that the perforate correspondence appear these cuttings at least one of them.
In one embodiment of this invention, above-mentioned battery module of heat radiating type comprises that a plurality of battery are arranged in one first a row battery and a secondary series battery, and the first row battery has one first contact surface, and the secondary series battery has one second contact surface.Inner surface one first partly and the shape coupling of first contact surface, and inner surface one second partly with the shape coupling of second contact surface.
In one embodiment of this invention, the contact area of the above-mentioned first row battery and inner surface is greater than the contact area of secondary series battery and inner surface.
In one embodiment of this invention, the external form of these above-mentioned battery is a column type, and the external form of first and second portion is an arc.
In one embodiment of this invention, battery module of heat radiating type more comprises a control circuit board.Control circuit board is disposed in the shell, and is electrically connected at battery.
In one embodiment of this invention, battery module of heat radiating type more comprises at least one heat transfer medium (thermal conducting medium), and battery is attached at the inner surface of fin by heat transfer medium.
In one embodiment of this invention, above-mentioned heat transfer medium is thermal grease (thermal grease) or heat conduction pad (thermal conducting pad).
In one embodiment of this invention, above-mentioned cutting is zigzag cutting or wavy cutting.
In one embodiment of this invention, above-mentioned perforate is a rectangle opening, and along the axially-aligned of the first row battery and secondary series battery, and the long limit of these perforates is haply perpendicular to the bearing of trend of these cuttings.
In one embodiment of this invention, the external form of above-mentioned fin is roughly L type cylinder, and these perforates are positioned at a side or the adjacent both sides of shell corresponding to fin.
In one embodiment of this invention, above-mentioned fin has more an anodization that is formed at inner surface and outer surface.
Battery module of heat radiating type of the present invention is because of having fin, and its shell has perforate.Therefore, the heat that battery is produced when power supply can be by fin and perforate heat radiation, to avoid the problem that battery is overheated or efficiency for charge-discharge reduces.
For above-mentioned feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 is the structural representation of a kind of battery module of heat radiating type of first embodiment of the invention.
Fig. 2 is the decomposing schematic representation of Fig. 1.
Fig. 3 is the structural representation of a kind of battery module of heat radiating type of second embodiment of the invention.
Fig. 4 is the decomposing schematic representation of Fig. 3.
Fig. 5 is the structural representation of a kind of battery module of heat radiating type of third embodiment of the invention.
Fig. 6 is the decomposing schematic representation of Fig. 5.
Embodiment
First embodiment
Fig. 1 is the structural representation of a kind of battery module of heat radiating type of first embodiment of the invention, and Fig. 2 is the decomposing schematic representation of Fig. 1.Please refer to Fig. 1 and Fig. 2, battery module of heat radiating type 100a comprises a shell 110, a battery 120 and a fin 150.Shell 110 comprises a lid 112 and a main casing 114, and has one or more perforates 116 that are positioned at a side of main casing 114.Lid 112 for example be the insulator of plastics and so on the material of main casing 114, and it coats battery 120 and fin 150 jointly, and the perforate 116 that is positioned at main casing 114 exposes fin 150 partly.
More specifically, the external form of battery 120 for example is a cylinder, and have a contact surface 122, and the external form of fin 150 for example is to be roughly L type cylinder, and have an inner surface 152, an outer surface 154 and a plurality of cutting 158 that is formed at a side of outer surface 154.The part inner surface 152 of fin 150 be shaped as cambered surface corresponding to the contact surface 122 of battery 120 so that the shape coupling of the inner surface 152 of part and the contact surface 122 of battery 120.The outer surface 154 of fin 150 contacts with the main casing 114 of shell 110 so that be positioned at these perforate 116 correspondences of main casing 114 appear these cuttings 158 at least one of them.At this moment, can flow between these cuttings 158 and the main casing 114 by these perforates 116 in shell 110 air outside.
Since battery 120 can be by the inner surface 152 of its contact surface 122 contact heat spreaders 150 with thermal energy conduction to fin 150, and be positioned at shell 110 air outside and can pass through these perforates 116, and flow between these cuttings 158 and the main casing 114.Therefore, battery 120 can conduct to fin 150 at the heat energy that power supply the time is produced, and dispels the heat by the air that flows between these cuttings 158 and the main casing 114, with the temperature maintenance of battery 120 in the temperature range of safety.
In first embodiment, battery 120 for example is the battery of standard-sized core of lithium ion cell or other secondary cell that can discharge and recharge, and the material of fin 150 can be made up of aluminium, copper or the preferable material of other heat conduction property.Moreover these cuttings 158 that are positioned on fin 150 outer surfaces 154 for example are zigzag cutting or wavy cutting, and the bearing of trend of these cuttings 158 is parallel to the axial of battery 120.In addition, these perforates 116 that are positioned at main casing 114 for example are rectangle openings, and these perforates 116 axially arranging in regular turn along battery 120.Wherein, the long limit of these perforates 116 is haply perpendicular to the bearing of trend of these cuttings 158, but this does not exceed.Moreover the quantity of above-mentioned each member is not in order to limit the present invention.For instance, battery module of heat radiating type 100a can also be made up of the fin 150 of a plurality of series connected battery cores 120 and respective amount.
In addition, battery module of heat radiating type 100a more can comprise a control circuit board 140 and a heat transfer medium (not shown).Control circuit board 140 is disposed in the shell 110, and is electrically connected at battery 120, with the charging/discharging voltage of control battery 120.Moreover heat transfer medium is attached at the inner surface 152 of fin 150, so that battery 120 can be by the inner surface 152 of these heat transfer medium contact heat spreaders 150.Wherein, these heat transfer mediums for example are thermal grease or heat conduction pad, so that the heat energy that battery 120 is produced when power supply can conduct to fin 150 faster by these heat transfer mediums.In addition, fin 150 more can have an anodization (not shown) that is formed at inner surface 152 and outer surface 154.This anodization is the insulator of electricity, and for example is aluminium oxide, can make fin 150 have the characteristic of " heat conduction non-conducting ".Moreover fin 150 is positioned at shell 110 and does not directly expose, and therefore can avoid scalding the user.
Second embodiment
Fig. 3 is the structural representation of a kind of battery module of heat radiating type of second embodiment of the invention, and Fig. 4 is the decomposing schematic representation of Fig. 3.Please refer to Fig. 3 and Fig. 4, battery module of heat radiating type 100b comprises a shell 110, one first row battery 120a, a secondary series battery 120b, a control circuit board 140 and a fin 150.Wherein, the first row battery 120a and secondary series battery 120b are in series by the battery 120 among a plurality of first embodiment respectively, and the shape coupling on the surface of the part inner surface 152 of fin 150 and the first row battery 120a and secondary series battery 120b.In addition, shell 110, these battery 120, a control circuit board 140 are identical with first embodiment with structure, material and the composition mode of fin 150, do not give unnecessary details in this.
More specifically, the part inner surface 152 of fin 150 is formed with a 156a of first and a second portion 156b.Wherein, the shape of the 156a of first for example is the cambered surface corresponding to the first contact surface 122a of the first row battery 120a so that the shape of these first contact surfaces 122a of the first row battery 120a can with the shape coupling of the 156a of first.Identical, the shape of second portion 156b for example is the cambered surface corresponding to these second contact surfaces 122b of secondary series battery 120b so that the shape of these second contact surfaces 122b of secondary series battery 120b can with the shape coupling of second portion 156b.Moreover control circuit board 140 for example is to be electrically connected at the first row battery 120a and secondary series battery 120b, to control the voltage that discharges and recharges of the first row battery 120a and secondary series battery 120b.And the first row battery 120a for example is between secondary series battery 120b and control circuit board 140.
Identical, since the first row battery 120a and secondary series battery 120b can be by the inner surface 152 of contact heat spreader 150 with thermal energy conduction to fin 150, and be positioned at shell 110 air outside and can pass through these perforates 116, and flow between these cuttings 158 and the main casing 114.Therefore, the heat energy that the first row battery 120a and secondary series battery 120b are produced when power supply can conduct to fin 150, and by the air heat radiation that flows between these cuttings 158 and the main casing 114, with the temperature maintenance of the first row battery 120a and secondary series battery 120b in the temperature range of safety.
The 3rd embodiment
Fig. 5 is the structural representation of a kind of battery module of heat radiating type of third embodiment of the invention, and Fig. 6 is the decomposing schematic representation of Fig. 5.Please refer to Fig. 5 and Fig. 6, the structure of battery module of heat radiating type 100c among the 3rd embodiment is identical with the structure of battery module of heat radiating type 100b among second embodiment haply, and the two different battery module of heat radiating type 100b that are different from second embodiment in: cutting 158 quantity of the quantity of the fin 150 of the battery module of heat radiating type 100c among the 3rd embodiment and cross sectional shape thereof, fin 150 and the shape that is arranged in these perforates 116 of main casing 114 that are in.
In a second embodiment, battery module of heat radiating type 100b comprises three fin 150, and these fin correspond respectively to these battery 120 of the first row battery 120a and secondary series battery 120b.Moreover these cuttings 158 are formed at the adjacent both sides of these fin 150 outer surfaces 154, and these perforates 116 extend the adjacent both sides of main casing 114, and are adjacent to the adjacent both sides of fin 150 outer surfaces, appear these cuttings 158 with correspondence.In addition, the size of the cross sectional shape of these fin 150 and these perforates 116, position for example are to make design optimization according to the caloric value of battery 120.When the caloric value of the first row battery 120a during greater than the caloric value of secondary series battery 120b, the contact area of the inner surface 152 of the first row battery 120a and fin 150 can be designed to the contact area greater than the inner surface 152 of secondary series battery 120b and fin 150, improving the radiating efficiency of the first row battery 120a, and then make the first row battery 120a and the temperature of secondary series battery 120b when power supply roughly the same.
Yet the foregoing description is not in order to limit the present invention.For instance, the first row battery 120a and secondary series battery 120b are not limited in all and are made up of three battery 120, be in series by the different battery 120 of quantity, and the quantity of fin 150 also are not limited only to three.Moreover the total quantity of the battery 120 of battery module of heat radiating type 100b, 100c is not limited in six, can also be less than six or more than six.At this moment, battery module of heat radiating type 100b, 100c can also by three row battery or more the multiple row battery formed, and the inner surface 152 of fin 150 also can be formed with the 3rd coupling part or more coupling parts, to contact these battery 120.Identical, these cuttings 158 that are formed at fin 150 outer surfaces 154 are not limited in wavy cutting, more can be the zigzag cuttings.
In addition, the long limit of these cuttings 158 can also be perpendicular to the axial of the first row battery 120a and secondary series battery 120b, and extends a side or the adjacent both sides of fin 150 outer surfaces 154.At this moment, these perforates 116 that are positioned at main casing 114 for example are a side or the adjacent both sides that are positioned at corresponding to these cuttings 158 of fin 150, and for example are axially arranging in regular turn along the first row battery 120a and secondary series battery 120b.
In sum, because battery module of heat radiating type of the present invention has fin, and its shell has perforate.Therefore, the heat that battery is produced when power supply can be by fin and perforate heat radiation, to avoid the problem that battery is overheated or efficiency for charge-discharge reduces.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (10)
1. battery module of heat radiating type is characterized in that above-mentioned battery module of heat radiating type comprises:
One shell has at least one perforate;
At least one battery is disposed in the above-mentioned shell, and above-mentioned battery has a contact surface; And
At least one fin, be disposed in the above-mentioned shell, and have an inner surface and an outer surface, the wherein shape coupling of the above-mentioned contact surface of Bu Fen above-mentioned inner surface and above-mentioned battery, and above-mentioned outer surface has a plurality of cuttings, and with above-mentioned housing contacts so that above-mentioned perforate correspondence appear above-mentioned these cuttings at least one of them.
2. battery module of heat radiating type as claimed in claim 1, it is characterized in that, wherein a plurality of battery are arranged in one first a row battery and a secondary series battery, the first above-mentioned row battery has one first contact surface, and above-mentioned secondary series battery has one second contact surface, above-mentioned inner surface has a first and a second portion respectively, the shape coupling of first contact surface that wherein above-mentioned first and part are above-mentioned, and the shape coupling of above-mentioned second contact surface of above-mentioned second portion and part.
3. battery module of heat radiating type as claimed in claim 2 is characterized in that, the contact area of first wherein above-mentioned row battery and above-mentioned inner surface is greater than the contact area of above-mentioned secondary series battery and above-mentioned inner surface.
4. battery module of heat radiating type as claimed in claim 2 is characterized in that, wherein the external form of above-mentioned these battery is a column type, and the external form of above-mentioned first and above-mentioned second portion is an arc.
5. battery module of heat radiating type as claimed in claim 1 is characterized in that, more comprises a control circuit board, and above-mentioned control circuit board is disposed in the above-mentioned shell, and is electrically connected at above-mentioned battery.
6. battery module of heat radiating type as claimed in claim 1 is characterized in that, more comprises at least one heat transfer medium, and above-mentioned battery is attached at the above-mentioned inner surface of above-mentioned fin by above-mentioned heat transfer medium.
7. battery module of heat radiating type as claimed in claim 6 is characterized in that, wherein above-mentioned heat transfer medium is thermal grease or heat conduction pad.
8. battery module of heat radiating type as claimed in claim 1 is characterized in that, wherein above-mentioned these cuttings are zigzag cutting or wavy cutting.
9. battery module of heat radiating type as claimed in claim 1 is characterized in that, the external form of wherein above-mentioned fin is roughly L type cylinder, and above-mentioned these perforates are positioned at a side or the adjacent both sides of above-mentioned shell corresponding to above-mentioned fin.
10. battery module of heat radiating type as claimed in claim 1 is characterized in that, wherein above-mentioned fin has more an anodization that is formed at above-mentioned inner surface and above-mentioned outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100978620A CN101290997A (en) | 2007-04-20 | 2007-04-20 | Battery module of heat radiating type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100978620A CN101290997A (en) | 2007-04-20 | 2007-04-20 | Battery module of heat radiating type |
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| Publication Number | Publication Date |
|---|---|
| CN101290997A true CN101290997A (en) | 2008-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100978620A Pending CN101290997A (en) | 2007-04-20 | 2007-04-20 | Battery module of heat radiating type |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908639A (en) * | 2009-06-02 | 2010-12-08 | 鸿富锦精密工业（深圳）有限公司 | Rechargeable battery |
| CN101764249B (en) * | 2010-01-11 | 2013-02-20 | 李光明 | High-efficiency heat-radiation dynamic cell, temperature control system of electric vehicle and electric vehicle |
| CN103311599A (en) * | 2013-05-27 | 2013-09-18 | 许玉林 | Large-capacity single battery |
| CN103427135A (en) * | 2012-05-22 | 2013-12-04 | 台达电子工业股份有限公司 | Cell module |
| CN103840540A (en) * | 2012-11-26 | 2014-06-04 | 鸿富锦精密工业（深圳）有限公司 | Power supply device |
| WO2023000281A1 (en) * | 2021-07-22 | 2023-01-26 | 宁德时代新能源科技股份有限公司 | Thermal management part, battery, and electrical device |
-
2007
- 2007-04-20 CN CNA2007100978620A patent/CN101290997A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908639A (en) * | 2009-06-02 | 2010-12-08 | 鸿富锦精密工业（深圳）有限公司 | Rechargeable battery |
| CN101764249B (en) * | 2010-01-11 | 2013-02-20 | 李光明 | High-efficiency heat-radiation dynamic cell, temperature control system of electric vehicle and electric vehicle |
| CN103427135A (en) * | 2012-05-22 | 2013-12-04 | 台达电子工业股份有限公司 | Cell module |
| CN103840540A (en) * | 2012-11-26 | 2014-06-04 | 鸿富锦精密工业（深圳）有限公司 | Power supply device |
| CN103311599A (en) * | 2013-05-27 | 2013-09-18 | 许玉林 | Large-capacity single battery |
| WO2023000281A1 (en) * | 2021-07-22 | 2023-01-26 | 宁德时代新能源科技股份有限公司 | Thermal management part, battery, and electrical device |
| EP4148870A4 (en) * | 2021-07-22 | 2024-03-20 | Contemporary Amperex Technology Co., Limited | Thermal management part, battery, and electrical device |
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