CN204118214U - A kind of battery pack heat dissipation structure - Google Patents
A kind of battery pack heat dissipation structure Download PDFInfo
- Publication number
- CN204118214U CN204118214U CN201420497647.5U CN201420497647U CN204118214U CN 204118214 U CN204118214 U CN 204118214U CN 201420497647 U CN201420497647 U CN 201420497647U CN 204118214 U CN204118214 U CN 204118214U
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- Prior art keywords
- battery
- battery pack
- row
- heat dissipation
- spacing
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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
Abstract
The utility model provides a kind of battery pack heat dissipation structure, this structure adopts battery in battery pack according to being discharged to the Structural assignments that between rear row's battery, space increases successively in the past, whole battery-arrangements is trapezoidal, and battery case inwall place adds air filter in rear row side, front-seat battery case wall place, side adds induced draught fan, reach with this and effectively reduce battery temperature, and control the temperature difference between each battery within a very little scope.
Description
Technical field
The utility model relates to a kind of battery pack structure, is specifically related to a kind of electric vehicle battery group structure.
Technical background
Along with the development of automobile industry, the particularly fast development of electric motor car and hybrid electric vehicle, make the effect of the electrokinetic cell as electric motor car and hybrid electric vehicle driving power more and more important, and as main driving power battery request its have Large Copacity and high characteristic exported, particularly pure electric coach and hybrid power passenger car, the capacity of battery and exporting is required higher, therefore need multiple serial battery or be connected in parallel to form battery pack and come jointly for vehicle provides the energy.Battery pack can produce a large amount of heats in the process of work, but due to the requirement of insulating properties and sealing, general battery pack can be placed in the box body of an opposing seal, and the heat of battery will be caused like this to be difficult to dissipate, and affects life-span and the fail safe of battery.
Existing cylindrical battery mainly adopts insert row formula structure and parallel arrangement, the general employing of battery pack heat radiation is air-cooled, the cooling effect of battery is determined by the size of air quantity and the temperature of wind, and for the battery of insert row formula and parallel arrangement, because wind can take away a part of heat through front-seat battery, the temperature of cooling air is made to increase, cause the more front-seat difference of battery radiating effect of rear row, the temperature difference is there is between each battery, can affect the life-span of whole battery pack like this, the performance simultaneously for battery pack also has certain restriction.
For overcoming the above problems, the utility model adopts a kind of new battery pack arrangement, by battery in battery pack according to being discharged to the Structural assignments that between rear row's battery, space increases successively in the past, and battery case inwall place adds air filter in rear row side, front-seat battery case wall place, side adds induced draught fan, reach with this and effectively reduce battery temperature, and control the temperature difference between each battery within a very little scope.
Utility model content
The utility model is solve present battery pack to dispel the heat uneven problem, propose battery in battery pack according to being discharged to the Structural assignments that between rear row's battery, space increases successively in the past, whole battery-arrangements is trapezoidal, and battery case inwall place adds air filter in rear row side, front-seat battery case wall place, side adds induced draught fan, reach with this and effectively reduce battery temperature, and control the temperature difference between each battery within a very little scope.
For achieving the above object, the technical solution of the utility model is:
A kind of battery pack heat dissipation structure, comprise battery pack, battery case, battery pack is placed in battery case, described structure also comprises air filter, fan, described air filter is placed in described battery case and arranges side close to after described battery pack, described fan is placed in described battery case close to the front-seat side of described battery pack, and the spacing of the front-seat battery of described battery pack is less than the spacing of rear row's battery.
Described battery pack is identical with the spacing of row's adjacent cell.
There is dividing plate the described battery pack left and right sides, the spacing of described dividing plate and described front-seat battery is less than the distance between described dividing plate and described rear row's battery, and described battery pack both sides battery is identical with the spacing of arranging adjacent cell with the distance of being close between dividing plate.
Described fan is induced draught fan.
Be fixedly connected with between described adjacent two row's batteries.
Compare existing in-vehicle communication system, the utility model has remarkable advantage and beneficial effect, is embodied as:
1, use battery pack heat dissipation structure of the present utility model, effectively reduce battery pack temperature, extend battery;
2, use battery pack heat dissipation structure of the present utility model, the temperature difference between battery controlled, in a very little scope, improve the performance of whole battery pack by the arrangement of trapezium structure.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model battery pack heat dissipation structure.
Embodiment
Specific implementation method of the present utility model is as follows:
The utility model is by battery in battery pack according to being discharged to the Structural assignments that between rear row's battery, space increases successively in the past, and whole battery pack is placed in battery case; And battery case inwall place adds air filter in rear row side, in order to meeting in filtering air to the influential impurity of battery, such as some conduction matter etc.; Front-seat battery case outer wall place, side adds induced draught fan, reaches effectively reduce battery temperature with this; Battery is discharged to rear row in the past and is arranged in trapezoidal, between battery, space also in echelon, reduce windage to greatest extent, the battery pack left and right sides is provided with dividing plate, the spacing of this dividing plate and front-seat battery is less than the spacing with rear row's battery, this ensures that there air channel, all battery left and right width identical, so just can control the temperature difference between each battery within a very little scope.
Illustrate implementation method of the present utility model below in conjunction with accompanying drawing, embodiment of the present utility model is as follows:
Be illustrated in figure 1 battery pack heat dissipation structure of the present utility model, whole battery pack is placed in a battery inside, battery in battery pack is arranged in many rows, the present embodiment selects three row's battery-arrangements, wherein between the 1st row's battery, spacing is less than spacing between the 2nd row's battery, between 2nd row's battery, spacing is less than spacing between the 3rd row's battery, arranged in parallel between each row's battery, the spacing of each row's adjacent cell is identical, and adjacent two row cell gap also in echelon, this structure is conducive to reducing windage, improve the radiating effect of whole battery pack, adjacent two row batteries are 0.5mm ~ 1.5mm with range difference between row's adjacent cell, this design can to make between battery pack each battery temperature gap within 2 degree, battery case has ventilation hole near the 3rd row battery side, and disposed at air vent is equipped with air filter, in order to meeting in filtered air to the influential material of battery performance, battery case has induced draught fan, in order to siphon away the hot blast in battery case near the 1st row battery side, ventilation hole and the air filter of the close 3rd row's battery of cold air process enter battery inside, between battery, gap arrives fan place again, cell heat is taken away by heat exchange through battery gap, by fan, hot blast is discharged battery case outside, so just reach to the effect of battery pack heat radiation.
And spacing is less than spacing between the 2nd row's battery between the 1st row's battery, between 2nd row's battery, spacing is less than spacing between the 3rd row's battery, this will make air can arrange battery place wind speed lower than the 2nd at the wind speed at the 3rd row battery place in battery gap, the wind speed at the 2nd row battery place can lower than the 1st row battery place wind speed, the heat exchange coefficient at the 3rd row battery place will be made like this lower than the heat exchange coefficient at the 2nd row battery place, and the heat exchange coefficient at the 2nd row battery place arranges the heat exchange coefficient at battery place lower than the 1st; And air begins to flow through the 2nd row's battery, the 1st row's battery by the 3rd row's battery, eventually pass fan sucking-off battery case, the temperature of such air can rise along with absorption cell heat, namely air arranges battery place temperature in the 3rd row battery place temperature lower than the 2nd, and air arranges battery place temperature in the 2nd row battery place temperature lower than the 1st; In general, the 3rd row's battery place air themperature is low and heat exchange coefficient is low, 2nd row battery place air themperature is placed in the middle and heat exchange coefficient is placed in the middle, but the highest heat exchange coefficient of the 1st row's battery place air themperature is high, the 1st row's battery, the 2nd so just can be made to arrange battery, the 3rd row battery place is substantially suitable by the heat of absorption of air, the temperature contrast that this guarantees in battery pack between each battery is very little, the service behaviour of battery pack in such operational environment will improve, and therefore the life-span of battery pack also can be improved.
For being one exemplary embodiment of the present utility model; should be understood to be claims of the present utility model protection range in a certain demonstrative example wherein; there is directiveness effect those skilled in the art being realized to corresponding technical scheme, but not to restriction of the present utility model.
Claims (5)
1. a battery pack heat dissipation structure, comprise battery pack, battery case, battery pack is placed in battery case, described structure also comprises air filter, fan, described air filter is placed in described battery case and arranges side close to after described battery pack, described fan is placed in described battery case close to the front-seat side of described battery pack, it is characterized in that: the spacing of the front-seat battery of described battery pack is less than the spacing of rear row's battery.
2. battery pack heat dissipation structure according to claim 1, is characterized in that: described battery pack is identical with the spacing of row's adjacent cell.
3. battery pack heat dissipation structure according to claim 2, it is characterized in that: there is dividing plate the described battery pack left and right sides, the spacing of described dividing plate and described front-seat battery is less than the distance between described dividing plate and described rear row's battery, and described battery pack both sides battery is identical with the spacing of arranging adjacent cell with the distance of being close between dividing plate.
4. battery pack heat dissipation structure according to claim 3, is characterized in that: described fan is induced draught fan.
5. battery pack heat dissipation structure according to claim 4, is characterized in that: be fixedly connected with between described adjacent two row's batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497647.5U CN204118214U (en) | 2014-08-29 | 2014-08-29 | A kind of battery pack heat dissipation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497647.5U CN204118214U (en) | 2014-08-29 | 2014-08-29 | A kind of battery pack heat dissipation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204118214U true CN204118214U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420497647.5U Expired - Fee Related CN204118214U (en) | 2014-08-29 | 2014-08-29 | A kind of battery pack heat dissipation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204118214U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932185A (en) * | 2016-05-20 | 2016-09-07 | 南通大学 | Active air-cooling heat dissipation battery box for hybrid electric vehicle |
| CN106374164A (en) * | 2016-11-14 | 2017-02-01 | 中国科学院广州能源研究所 | Thermal management system with regional air cooling heat dissipation for lithium-ion power battery pack |
| CN109888434A (en) * | 2019-03-08 | 2019-06-14 | 重庆工业职业技术学院 | Power battery of pure electric automobile radiator |
-
2014
- 2014-08-29 CN CN201420497647.5U patent/CN204118214U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932185A (en) * | 2016-05-20 | 2016-09-07 | 南通大学 | Active air-cooling heat dissipation battery box for hybrid electric vehicle |
| CN106374164A (en) * | 2016-11-14 | 2017-02-01 | 中国科学院广州能源研究所 | Thermal management system with regional air cooling heat dissipation for lithium-ion power battery pack |
| CN106374164B (en) * | 2016-11-14 | 2018-08-17 | 中国科学院广州能源研究所 | A kind of lithium-ion-power cell group heat management system of the air-cooled heat dissipation in subregion |
| CN109888434A (en) * | 2019-03-08 | 2019-06-14 | 重庆工业职业技术学院 | Power battery of pure electric automobile radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20190829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |