CN202550027U - Power battery system and electric vehicle - Google Patents
Power battery system and electric vehicle Download PDFInfo
- Publication number
- CN202550027U CN202550027U CN2012200917873U CN201220091787U CN202550027U CN 202550027 U CN202550027 U CN 202550027U CN 2012200917873 U CN2012200917873 U CN 2012200917873U CN 201220091787 U CN201220091787 U CN 201220091787U CN 202550027 U CN202550027 U CN 202550027U
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- Prior art keywords
- bag
- secondary battery
- air
- conveying pipe
- cell system
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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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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model relates to the field of batteries and particularly relates to a power battery system which comprises a primary battery pack and a plurality of secondary battery packs, wherein the primary battery pack and the secondary battery packs respectively comprise a shell, a battery pack arranged in the shell and an air duct for cooling or heating the battery pack, wherein each air duct is provided with an air inlet and an air outlet; an independent air transportation pipe is also arranged in the shell of the primary battery pack; and the air inlets of the air ducts of the plurality of secondary battery packs are respectively connected with the independent air transportation pipe of the primary battery pack. With the adoption of the power battery system, a plurality of battery packs can be uniformly cooled or heated, and a limited space of a vehicle carriage is not be occupied either. The utility model also discloses an electric vehicle including the power battery system.
Description
Technical field
The utility model relates to field of batteries, relates in particular to a kind of electrokinetic cell system and electric automobile.
Background technology
Along with society is increasingly high to requirements of green environmental protection, consider that from national Oil Safety angle electric motor car will become one of main direction of following development of automobile simultaneously.One of core technology of electric automobile is exactly an electrokinetic cell, and the consistency that electrokinetic cell dispatches from the factory is most important for the application of battery, the consistency that also has electrokinetic cell to use that is worth us to pay close attention to equally.Therefore, the consistency of electrokinetic cell bag heat management is one of technological difficulties of each car load factory and battery producer.Electrokinetic cell bag heat management mainly contains two kinds of air-cooled and liquid cooling; At present main the employing extracted crew module's air and come battery is cooled off or heat, for a plurality of power brick, if the parallel connection of employing; Wind in the power brick air channel is to draw from the crew module through being located at the outside wind conveying pipe of power brick; Because of being subject to the car load arrangement space, if some power brick or a plurality of power brick are far away from air-vent, the outside wind conveying pipe of power brick will take limited space, service on buses or trains cabin.
Summary of the invention
In order to solve in the prior art problem that the outside wind conveying pipe of power brick in the electric automobile takies the service on buses or trains cabin confined space; Thereby the utility model provides a kind of electrokinetic cell system; This system comprises primary cell bag and a plurality of secondary battery bag; Said primary cell bag and secondary battery bag comprise housing separately, are positioned at the battery pack of said housing and are used for the air channel to said battery pack cooling or heating; Said air channel is provided with air inlet and air outlet, and the enclosure interior of said primary cell bag also is provided with independent wind conveying pipe, and the air inlet in the air channel of said a plurality of secondary battery bags is connected with the independent wind conveying pipe of primary cell bag separately.
Further; The air inlet in the air channel of a plurality of secondary battery bags described in the utility model electrokinetic cell system is connected with the independent wind conveying pipe of primary cell bag through tube connector; Said tube connector comprises air inlet and a plurality of air outlet; The air inlet of said tube connector is connected with the air outlet of primary cell bag independence wind conveying pipe, and a plurality of air outlets of said tube connector are connected with the air inlet in said a plurality of secondary battery bags air channel respectively.
Further, the independent wind conveying pipe in the body of primary cell involucrum described in the utility model electrokinetic cell system is many, is used for respectively wind being carried in the air channel of a plurality of secondary battery bags.
Further, the air inlet in the independent wind conveying pipe of primary cell bag described in the utility model electrokinetic cell system and/or air channel is a plurality of.
Further, the adjustable in length of tube connector described in the utility model electrokinetic cell system.
Further, the air outlet in air channel is provided with ventilating fan described in the utility model electrokinetic cell system.
Further, the periphery of independent wind conveying pipe is provided with thermal insulation layer described in the utility model electrokinetic cell system.
Further, independent wind conveying pipe and/or air channel and battery pack case are one-body molded described in the utility model electrokinetic cell system.
Simultaneously for solving above-mentioned prior art problem; The utility model has also proposed a kind of electric automobile; Comprise vehicle body and the electrokinetic cell system that is positioned at vehicle body, this battery system is above-mentioned described electrokinetic cell system, and said vehicle body comprises back seat and spare tyre pond; Said primary cell bag is positioned at position behind the back seat, and said secondary battery bag is positioned at the spare tyre pond.
Beneficial effect: the independent wind conveying pipe in the utility model primary cell bag is located at power brick inside and is had separate space and carry the wind of cooling or heating separately for the secondary battery bag; The cooling or the heats of a plurality of like this power brick abilities are better; Independent wind conveying pipe is located at idle part in the power brick simultaneously, does not take the confined space in compartment.
Description of drawings
Fig. 1 the utility model electrokinetic cell system example structure illustraton of model.
Another example structure illustraton of model of Fig. 2 the utility model electrokinetic cell system.
Embodiment
Be elaborated below in conjunction with the embodiment of accompanying drawing to the utility model.Should be understood that embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
Be illustrated in figure 1 as the structural model figure of the utility model electrokinetic cell system embodiment one; As can be seen from the figure; Said system comprises primary cell bag 1 and secondary battery bag 2 and secondary battery bag 3; Said primary cell bag 1 comprises housing 4, is positioned at the battery pack 22 of said housing and is used for the air channel 27 to said battery pack cooling or heating that the air channel 27 of said primary cell bag is provided with air inlet 5 and air outlet 8; Said secondary battery bag 2 also comprises housing 12, is positioned at the battery pack 13 of said housing and is used for the air channel 16 to said battery pack cooling or heating that the air channel 16 of said secondary battery bag is provided with air inlet 11 and air outlet 14; Said secondary battery bag 3 also comprises housing 19, is positioned at the battery pack 17 of said housing and is used for the air channel 28 to said battery pack cooling or heating that the air channel 28 of said secondary battery bag 3 is provided with air inlet 18 and air outlet 21; The enclosure interior of said primary cell bag 1 also is provided with independent wind conveying pipe 7; In the said secondary battery bag 2 in the wind in air channel 16 and the secondary battery bag 3 wind in air channel 28 draw independent wind conveying pipe 7 from primary cell bag 1; The flow direction of independent wind conveying pipe 7 apoplexy is the direction of arrow 23 indications; Said independent wind conveying pipe 7 is provided with air inlet 6 and air outlet 29, and said primary cell bag 1 is connected through tube connector 10 with secondary battery bag 2, secondary battery bag 3, and tube connector is connected the air inlet 18 in air channel in the air inlet 11 in air channel in the air outlet 29 of independent wind conveying pipe 7 and the secondary battery bag 2 and the secondary battery bag 3; Tube connector is a three-way pipe; Secondary battery bag number can be greater than 2 in the present embodiment, when secondary battery bag number greater than 2 the time, tube connector is made corresponding change just can accomplish more power brick Homogeneouslly-radiatings.
For flowing of wind speed in the air channel of accelerating primary cell bag 1, secondary battery bag 2 and secondary battery bag 3; Air outlet 8 places in air channel are provided with ventilating fan 9 in primary cell bag 1; Air outlet 14 places in secondary battery bag 2 air channels 16 are provided with ventilating fan 15, and air outlet 21 places of secondary battery bag 3 are provided with ventilating fan 20, as the improvement to primary cell bag 1; Can be set to the air inlet 6 of the air inlet 5 in air channel 27 in the power brick 1 and independent wind conveying pipe 7 a plurality of; A plurality of air inlets increase the amount of wind, when the power brick heating is big, help timely heat radiation.
Shown in Figure 2 is another embodiment of the utility model electrokinetic cell system; Compare with embodiment one; Present embodiment has been set up independent wind conveying pipe 24 in primary cell bag 1 inside, and independent wind conveying pipe 24 is provided with air inlet 22 and air outlet 30, and independent wind conveying pipe 7 is secondary battery bag 3 air feeds separately through tube connector 10; Be specially tube connector 10 and connect the air outlet 29 of independent wind conveying pipe 7 and the air inlet 18 of secondary battery bag 3; Independent wind conveying pipe 24 is secondary battery bag 2 air feeds separately through tube connector 26, is specially tube connector 26 and connects the air outlet 30 of independent wind conveying pipe 24 and the air inlet 11 of secondary battery bag 2, and secondary battery bag number also can be greater than 2 in the present embodiment; Be provided with in the primary cell bag and be followed successively by a plurality of independent wind conveying pipe that the secondary battery bag provides the wind of cooling or heating, present embodiment details with embodiment one identical component no longer.
The ventilating fan at air outlet place, the foregoing description apoplexy road has been accelerated the flow velocity of air channel apoplexy, has risen to the cooling or the heating properties of battery pack; Independent wind conveying pipe 7 in the primary cell bag 1 is provided with according to position, power brick inner space with independent wind conveying pipe 24, and for example, the power brick remaining space inside partly is an indentation, and wind conveying pipe also is an indentation so; Independent in addition wind conveying pipe can have various ways with being connected of power brick; The utility model the foregoing description adopts following dual mode; First kind: on the one-body molded inwall with battery pack case of independent wind conveying pipe, at this moment the material of battery pack case is identical with independent wind conveying pipe material; Second kind: independent wind conveying pipe is connected on the inwall of battery pack case through connector; Specifically can be for a buckle is set on independent wind conveying pipe; Draw-in groove is set on battery pack case, is connected with buckle through draw-in groove and realizes that independent wind conveying pipe is connected with outer casing inner wall.
As improvement to the foregoing description; As shown in Figure 1, the air inlet 5 in air channel is preferable in the primary cell bag with air outlet 8 and is oppositely arranged in the primary cell bag, for example; Air inlet 5 is located at the upper end of power brick; Air outlet 8 is arranged at the lower end of power brick so, guarantees that like this battery pack ability is by fully cooling or heating in the power brick, and the air inlet and the air outlet in the air channel in secondary battery bag 2 and the secondary battery bag 3 also are same settings.
Independent wind conveying pipe 7 in the foregoing description in the primary cell bag 1 as shown in Figure 1 can use the material of some poor heat conductivity to form with the independent wind conveying pipe 24 in the primary cell bag 1 as shown in Figure 2; Preferably be made with elastomeric material; Rubber weight is lighter, and cost is low, as the improvement to the foregoing description; Independent wind conveying pipe periphery in the said primary cell bag 1 is provided with thermal insulation layer; Thermal insulation layer prevents the temperature of the temperature effect independence wind conveying pipe internal gas of battery pack, guarantee to get into that being used in each power brick and the power brick cools off or to heat the gas temperature of first battery pack and second battery pack basic identical, cools off like this or the heats basically identical; Thermal insulation layer can be heat insulation foam or heat barrier foam, preferably uses heat insulation foam.
As further improvement to the foregoing description; Tube connector 10 as shown in Figure 1 is preferably adjustable with 26 the length of being connected shown in Figure 2; Can change the distance between power brick and the power brick as required like this; Have more initiative, communicating pipe specifically can form for two pipelines are threaded each other, can change threaded tube length through the rotary threaded pipeline.
As shown in Figure 1, through air inlet 5, the air inlet 6 of independent wind conveying pipe 7, tube connector 10 places temperature sensor is set in primary cell bag 1 air channel, 3 position temperature under different crew module's temperature are gathered data such as following table:
| ? | Crew module's temperature | Air inlet 5 | Air inlet 6 | |
| 1 | -10℃ | -10℃ | -10℃ | -9℃ |
| 2 | 10 |
10 |
10 |
12℃ |
| 3 | 20 |
20 |
20 |
21 |
| 4 | 30 |
30 |
30℃ | 32℃ |
Above data show; Setting through the said system of the utility model; The intake air temperature and the crew module's temperature contrast that have guaranteed primary cell bag 1 and secondary battery bag are less, the more important thing is the arrangement space of the air inlet duct of having saved power brick 2, have reached purpose convenient for assembly.
The utility model also proposes a kind of electric automobile; Said electric automobile comprises vehicle body and is positioned at the electrokinetic cell system of vehicle body, and this electrokinetic cell system is the said electrokinetic cell system of the utility model, and the power brick 1 in the electrokinetic cell system is positioned at position behind the automobile rear seat; Secondary battery bag 2 is arranged in the spare tyre pond with secondary battery bag 3; Secondary battery bag 2 is long with the distance that secondary battery bag 3 draws crew module's wind, and the external needs of wind conveying pipe take more trunk space, and power brick 1 inner space utilance is not enough; There is segment space to be wasted; Therefore, electrokinetic cell system adopts the structure setting of the utility model, in the primary cell bag, establishes independent wind conveying pipe 7 is carried cooling or heating separately for the secondary battery bag wind; Can make full use of the space of power brick 1 like this, and don't can cause secondary battery bag 2 and secondary battery bag 3 to draw the distance of crew module's wind.
Can intuitively draw in conjunction with Fig. 1, during the work of the utility model electrokinetic cell system, pass through air inlet 5 introduction air channels 27 to crew module's wind; Flow out through air outlet 8 places then, accomplish cooling or heating to primary cell bag 1 like this, fan 9 is accelerated the speed of the wind of outflow; The cooling or the efficiency of heating surface have been improved; For secondary battery bag 2, through the air channel 16 that tube connector 10 is introduced secondary battery bag 2 to the wind in the independent wind conveying pipe 7 in the primary cell bag 1,16 air outlet 14 flows out from the air channel then; Completion is to the cooling or the heating of secondary battery bag 2, and the cooling of same secondary battery bag 3 or the air inducing setting of heating are identical with secondary battery bag 2.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned execution mode; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technical scheme of the utility model, these simple variant all belong to the protection range of the utility model.
Need to prove in addition; Each concrete technical characterictic described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner; For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.In addition, also can carry out combination in any between the various execution mode of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.
Claims (10)
1. electrokinetic cell system; Comprise primary cell bag and a plurality of secondary battery bag; Said primary cell bag and secondary battery bag comprise housing, are positioned at the battery pack of said housing and are used for the air channel to said battery pack cooling or heating that said air channel is provided with air inlet and air outlet, it is characterized in that separately; The enclosure interior of said primary cell bag also is provided with independent wind conveying pipe, and the air inlet in the air channel of said a plurality of secondary battery bags is connected with the independent wind conveying pipe of primary cell bag separately.
2. electrokinetic cell system according to claim 1; It is characterized in that; The air inlet in said a plurality of secondary battery bags air channel is connected with the independent wind conveying pipe of primary cell bag through tube connector; Said tube connector comprises air inlet and a plurality of air outlet, and the air inlet of said tube connector is connected with the air outlet of primary cell bag independence wind conveying pipe, and a plurality of air outlets of said tube connector are connected with the air inlet in said a plurality of secondary battery bags air channel respectively.
3. electrokinetic cell system according to claim 1 is characterized in that, the independent wind conveying pipe in the said primary cell involucrum body is many, is used for respectively wind being carried in the air channel of a plurality of secondary battery bags.
4. electrokinetic cell system according to claim 1 is characterized in that, the independent wind conveying pipe of said primary cell bag and/or the air inlet in air channel are a plurality of.
5. electrokinetic cell system according to claim 2 is characterized in that, the adjustable in length of said tube connector.
6. electrokinetic cell system according to claim 1 is characterized in that the air outlet in said air channel is provided with ventilating fan.
7. electrokinetic cell system according to claim 1 is characterized in that the periphery of said independent wind conveying pipe is provided with thermal insulation layer.
8. electrokinetic cell system according to claim 1 is characterized in that, said independent wind conveying pipe and/or air channel and battery pack case are one-body molded.
9. an electric automobile comprises vehicle body and the electrokinetic cell system that is positioned at vehicle body, it is characterized in that said electrokinetic cell system is selected from each described electrokinetic cell system of claim 1-8.
10. electric automobile according to claim 9 is characterized in that, said vehicle body comprises back seat and spare tyre pond, and said primary cell bag is positioned at position behind the back seat, and said secondary battery bag is positioned at the spare tyre pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200917873U CN202550027U (en) | 2012-03-13 | 2012-03-13 | Power battery system and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200917873U CN202550027U (en) | 2012-03-13 | 2012-03-13 | Power battery system and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202550027U true CN202550027U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200917873U Expired - Fee Related CN202550027U (en) | 2012-03-13 | 2012-03-13 | Power battery system and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202550027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107662520A (en) * | 2017-09-23 | 2018-02-06 | 芜湖雪影实业有限公司 | Battery of electric vehicle mounting structure |
-
2012
- 2012-03-13 CN CN2012200917873U patent/CN202550027U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107662520A (en) * | 2017-09-23 | 2018-02-06 | 芜湖雪影实业有限公司 | Battery of electric vehicle mounting structure |
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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: 20121121 Termination date: 20200313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |