CN201766113U - Electric automobile and power battery pack therefor - Google Patents
Electric automobile and power battery pack therefor Download PDFInfo
- Publication number
- CN201766113U CN201766113U CN2010205285673U CN201020528567U CN201766113U CN 201766113 U CN201766113 U CN 201766113U CN 2010205285673 U CN2010205285673 U CN 2010205285673U CN 201020528567 U CN201020528567 U CN 201020528567U CN 201766113 U CN201766113 U CN 201766113U
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- battery pack
- power
- casing
- power battery
- power brick
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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 discloses an electric automobile and the power battery pack therefor.The power battery pack comprises at least two battery modules (1), a casing (2) and a forced air-cooled apparatus (3). The two battery modules are parallel with each other. The casing is provided with a containing space which contains the two battery modules. The forced air-cooled apparatus applies to the casing and the battery modules.The casing is equipped with ventilating openings (4).Cooling gas flows between the forced air-cooled apparatus (3) and the ventilating openings (4).The forced air-cooled apparatus (3) speeds up the circulation of the cooling gas in the power battery pack.The heat generated by the batteries is emanated through the channel, thereby improving the heat radiation property of the battery modules effectively and preventing the temperature of the batteries from being too high.The working environment of the batteries is improved and the service life of the power battery pack is prolonged.
Description
Technical field
The utility model relates to power energy field, particularly relates to a kind of power battery pack.In addition, the utility model also relates to a kind of electric automobile with above-mentioned power battery pack.
Background technology
Along with the fast development of China's economic construction, electrokinetic cell has had extensive use in all trades and professions.Especially at electric bicycle, the electric automobile field, polymer battery is because its specific energy is big, and advantages such as fail safe height are gradually by high frequency applications.
In actual application, assemble requirement easily in order to satisfy battery management and structure, several batteries and protective circuit are combined the formation battery module, several battery modules and protective circuit are combined the formation power battery pack.On products such as electric automobile, mixed power electric car, power battery pack commonly used has lithium ion battery group or Ni-MH battery group.
Be provided with at least two battery modules in the power battery pack, be provided with at least two power brick in each battery module, and have two batteries in each power brick at least, a plurality of batteries are all arranged in each battery pack, series and parallel quantity is more, because battery is in the charge and discharge process, battery itself can the generation heat, cause battery pack in the charge and discharge process, to produce very big thermal effect, especially obvious during as big capacity, the application of high power power battery pack.The heat that produces can cause the temperature of power battery pack sharply to rise as can not in time discharging, and battery is relatively more responsive to temperature environment, and Tai Gao or too low temperature all can influence the charge-discharge performance and the battery life of battery greatly.Especially in electric automobile, if power battery pack works long hours in more abominable thermal environment, its performance can obviously reduce, and also can shorten useful life.Therefore, must make battery pack be operated in desirable temperature range, thereby make its performance and cycle life reach optimum, and get rid of the potential hazard that causes because of heat is out of control.
Therefore, how reducing the temperature of power battery pack, improve the operational environment of battery, prolong the useful life of power battery pack, improve the reliability of the electric automobile of working power battery pack, is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of power battery pack, and its thermal diffusivity is better, can effectively reduce the temperature of battery, improves the operational environment of battery, prolongs the useful life of power battery pack.Another purpose of the present utility model provides a kind of electric automobile that comprises above-mentioned power battery pack, and its reliability is improved.
For realizing above-mentioned utility model purpose, the utility model provides a kind of power battery pack, comprise at least two battery modules that be arranged in parallel and the casing that holds each described battery module, also comprise the air blast cooling device that acts on described casing and described battery module, described casing has ventilating opening, and cooling air circulates between described air blast cooling device and described ventilating opening.
Preferably, described air blast cooling device is an Air Blast fan of being located at described bottom half, and described ventilating opening is located at the top of described casing.
Preferably, described air blast cooling device is an extractor fan of being located at described casing top, and described ventilating opening is located at the bottom of described casing.
Preferably, described box house has dividing plate, and each described battery module separates through described dividing plate.
Preferably, described dividing plate is the hollowed-out board of hollow.
Preferably, the side plate of described casing has outward extending radiating fin.
Preferably, described side plate comprises first side plate parallel with described dividing plate, and the inner surface of described first side plate has reinforcement.
Preferably, the position of described reinforcement is corresponding with the position of described radiating fin.
Preferably, described battery module comprises first power brick and second power brick that forms by electrokinetic cell, described first power brick be located at described second power brick directly over, be provided with support component between described first power brick and described second power brick, so that have predetermined distance between described first power brick and described second power brick.
The utility model also provides a kind of electric automobile, comprises the power battery pack that power is provided, and described power battery pack is above-mentioned each described power battery pack.
Power battery pack provided by the utility model, comprise at least two battery modules that be arranged in parallel and the casing that holds each described battery module, also comprise the air blast cooling device that acts on described casing and described battery module, described casing has ventilating opening, and cooling air circulates between described air blast cooling device and described ventilating opening.Power battery pack in use, can form gas passage between air blast cooling device and the ventilating opening, accelerate gas communication, the heat that battery is produced when charge and discharge distributes from passage as early as possible, effectively improve the heat dispersion of battery module and casing, thereby the temperature of guaranteeing battery can be not too high, improved the operational environment of battery, prolonged the useful life of power battery pack and battery module.
A kind of preferred embodiment in, described air blast cooling device is an Air Blast fan of being located at described bottom half, described ventilating opening is located at the top of described casing.According to the natural law, gas can upwards flow when temperature raises, therefore, Air Blast fan is installed on bottom half, is used for sending into the refrigerating gas of low temperature to box house, refrigerating gas temperature in the process of cool batteries module and casing constantly raises, and upwards mobile by the natural law, at the top of casing ventilating opening is set, the higher gas of temperature is flowed out from ventilating opening, take away the heat of battery module and casing, reach the purpose of cool batteries module and casing.
In another preferred embodiment, described battery module comprises first power brick and second power brick that forms by electrokinetic cell, described first power brick be located at described second power brick directly over, be provided with support component between described first power brick and described second power brick, so that have predetermined distance between described first power brick and described second power brick.Distance between first power brick and second power brick can form passage, accelerate gas communication, the heat that battery is produced when charge and discharge distributes from passage as early as possible, effectively improve the heat dispersion of battery module, thereby the temperature of guaranteeing battery can be not too high, improve the operational environment of battery, prolonged the useful life of power battery pack.Simultaneously, support component can also increase the intensity of battery module, makes the reliability of power battery pack higher.
Providing on the basis of above-mentioned power battery pack, the utility model also provides a kind of electric automobile that comprises above-mentioned power battery pack; Because power battery pack has above-mentioned technique effect, the electric automobile with this power battery pack also has the corresponding techniques effect.
Description of drawings
Fig. 1 provides the explosive view of a kind of embodiment of power battery pack for the utility model;
Fig. 2 is the structural representation of power battery pack one end shown in Figure 1;
Fig. 3 is the structural representation of the power battery pack other end shown in Figure 1;
Fig. 4 provides the perspective view of a kind of embodiment of casing for the utility model;
Fig. 5 is the partial enlarged drawing of A part among Fig. 4;
Fig. 6 provides the perspective view of a kind of embodiment of battery module for the utility model;
Fig. 7 provides the connection diagram of first power brick and second power brick for the utility model.
Embodiment
Core of the present utility model provides a kind of power battery pack, and its thermal diffusivity is better, can effectively reduce the temperature of battery, improves the operational environment of battery, prolongs the useful life of power battery pack.Another core of the present utility model provides a kind of electric automobile that comprises above-mentioned power battery pack, and its reliability is improved.
The noun of locality such as upper and lower, inside and outside that this paper is related is that to be positioned at state shown in Figure 1 with power battery pack be that benchmark defines; The nouns of locality such as the related top of this paper, bottom are that to be installed in position in electric automobile or other application scenario with power battery pack be the benchmark definition.The noun of locality that should be appreciated that herein to be adopted should not limit the protection range of this patent.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1 to Fig. 3, Fig. 1 provides the explosive view of a kind of embodiment of power battery pack for the utility model; Fig. 2 is the structural representation of power battery pack one end shown in Figure 1; Fig. 3 is the structural representation of the power battery pack other end shown in Figure 1.
Power battery pack provided by the utility model, comprise at least two battery modules that be arranged in parallel 1 and the casing 2 that holds each battery module 1, also comprise the air blast cooling device 3 that acts on casing 2 and battery module 1, casing 2 has ventilating opening 4, and cooling air circulates between air blast cooling device 3 and ventilating opening 4.Power battery pack in use, can form gas passage between air blast cooling device 3 and the ventilating opening 4, accelerate gas communication, the heat that battery is produced when charge and discharge distributes from passage as early as possible, effectively improve the heat dispersion of battery module 1 and casing 2, thereby the temperature of guaranteeing battery can be not too high, improved the operational environment of battery, prolonged the useful life of power battery pack and battery module 1.
In a kind of concrete execution mode, air blast cooling device 3 can be for being located at the Air Blast fan of casing 2 bottoms, and ventilating opening 4 is located at the top of casing 2.According to the natural law, gas can upwards flow when temperature raises, therefore, Air Blast fan is installed on casing 2 bottoms, is used for sending into the refrigerating gas of low temperature to casing 2 inside, refrigerating gas temperature in the process of cool batteries module 1 and casing 2 constantly raises, and upwards mobile by the natural law, on the top of casing 2 ventilating opening 4 is set, the higher gas of temperature is flowed out from ventilating opening 4, take away the heat of battery module 1 and casing 2, reach the purpose of cool batteries module 1 and casing 2.
In the concrete execution mode of another kind, air blast cooling device 3 can also be for being located at the extractor fan at casing 2 tops, and ventilating opening 4 is located at the bottom of casing 2.Extractor fan also is the cooling device that often uses when forcing cooling, and cooling air enters casing 2 from the bottom of casing 2, and casing 2 and battery module 1 are cooled off.After the cooling air temperature raises, extract casing 2 out, carry out exchange heat through extractor fan.
Two kinds of above-mentioned embodiments are arrangement forms more excellent in the air blast cooling device 3, for power battery pack, relative position between air blast cooling device 3 and the ventilating opening 4 can be selected other distribution form according to the needs of power battery pack or the design needs of using the electric automobile of power battery pack, enumerates no longer one by one at this.
Please refer to Fig. 4 and Fig. 5, Fig. 4 provides the perspective view of a kind of embodiment of casing for the utility model; Fig. 5 is the partial enlarged drawing of A part among Fig. 4.
In further technical scheme, above-mentioned casing 2 inside can be provided with dividing plate 5, and each battery module 1 separates through dividing plate 5.Dividing plate 5 can be one, also can be two or more, and each dividing plate 5 be arranged in parallel, and adjacent battery modules 1 by dividing plate 5 separately; Dividing plate 5 can be on casing 2 installed surface to be set, and dividing plate 5 is installed, and also can be when stretching formation casing 2, directly generates dividing plate 5.Dividing plate 5 not only can increase the intensity of casing 2, and two battery modules 1 can be separated, avoid the heat of adjacent battery module 1 to influence each other, weaken the radiating effect of power battery pack, thereby further improve the radiating efficiency of casing 2, good working environment is provided when battery operated, prolongs the useful life of battery and power battery pack.
Particularly, above-mentioned dividing plate 5 can be the hollowed-out board of hollow, and hollowed-out board not only can alleviate the weight of casing 2, reduces the production cost of casing 2; And cooling air can to reduce the temperature of dividing plate 5, improve the radiating effect of casing 2 in the circulation of hollow out place.
Simultaneously, outward extending radiating fin 6 can also be set on the side plate of casing 2.Obviously, battery module 1 is located at the inside of casing 2 herein, and radiating fin 6 can further improve the radiating effect of casing 2, makes the heat dispersion of power battery pack better.
As shown in Figure 5, the side plate of casing 2 provided by the utility model comprises first side plate parallel with dividing plate 5, and with second side plate vertical with dividing plate 5, wherein, the inner surface of first side plate has reinforcement 7.Reinforcement 7 can increase the intensity of casing 2, and the crushing resistance of power battery pack is improved, to improve the applicability of power battery pack.
Simultaneously, the position of reinforcement 7 can be corresponding with the position of radiating fin 6, to reduce the difficulty of processing of casing 2, reduces the production cost of casing 2.In a kind of specific embodiment, casing 2 can stretch by aluminium alloy extrusions and form, aluminium alloy box 2 has that thermal diffusivity is good, light weight, be easy to the characteristics of punch process, utilize aluminum material to make the quality that casing 2 can reduce power battery pack, make power battery pack on the less basis of quality, also have good performance of heat dissipation.
Please refer to Fig. 6 and Fig. 7, Fig. 6 provides the perspective view of a kind of embodiment of battery module for the utility model; Fig. 7 provides the connection diagram of first power brick and second power brick 12 for the utility model.
A kind of preferred embodiment in, battery module 1 provided by the utility model, comprise first power brick 11 and second power brick 12 that form by electrokinetic cell, first power brick 11 be located at second power brick 12 directly over, be provided with support component 13 between first power brick 11 and second power brick 12, so that have predetermined distance between first power brick 11 and second power brick 12.Distance between first power brick 11 and second power brick 12 can form passage, accelerate gas communication, the heat that battery is produced when charge and discharge distributes from passage as early as possible, effectively improve the heat dispersion of battery module 1, thereby the temperature of guaranteeing battery can be not too high, improve the operational environment of battery, prolonged the useful life of power battery pack and battery module 1.Simultaneously, support component 13 can also increase the intensity of battery module 1, makes the reliability of power battery pack and battery module 1 higher.
Need to prove, in the battery module shown in the figure 1 except comprising first power brick 11 and second power brick 12, also comprise the 3rd power brick, be to be understood that, include but not limited to two power brick in the battery module 1 provided by the utility model, the number that its inside is provided with power brick can increase according to actual needs, but comprises two power brick at least, and the support component 13 between two power brick makes and remains certain distance between the two, to satisfy the needs of intensity and heat radiation.
Simultaneously, support rim can also play the effect that increases the support strength between first power brick 11 and second power brick 12, makes the intensity of battery module 1 better, and reliability is higher.
The shell of first power brick 11 and second power brick 12 all can be the aluminium sheet shell, and has the recess of the lug that holds battery, also is provided with the insulating trip of isolating lug and shell in this recess.Aluminum shell has that thermal diffusivity is good, light weight, be easy to the characteristics of punch process, utilizes aluminum shell can reduce the quality of first power brick 11 and second power brick 12, makes battery module 1 on the less basis of quality, also has good performance of heat dissipation.
In a kind of concrete execution mode, above-mentioned power battery pack can adopt following step to produce:
1. utilize aluminium alloy extrusions to stretch and form casing 2, the dividing plate 5 in the formation casing 2 that stretches simultaneously;
2. battery module 1 is installed between each dividing plate 5 respectively;
3. on the bottom of casing 2 Air Blast fan being installed, can be one, also can be two or more;
4. the top cover of casing 2 is provided with ventilation hole, by screw top cover, bottom and side plate is fixed together, and forms casing 2.
Except above-mentioned power battery pack, the utility model also provides a kind of electric automobile that comprises above-mentioned power battery pack.The structure of these other each several parts of electric automobile please refer to prior art, and this paper repeats no more.
Except electric automobile, power battery pack provided by the utility model can also be applied in other field, as electric tool, electric motorcycle etc., as long as used power battery pack provided by the utility model, and just should be in protection range of the present utility model.
More than power battery pack provided by the utility model and electric automobile with this power battery pack are described in detail.Used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection range of the utility model claim.
Claims (10)
1. power battery pack, comprise at least two battery modules that be arranged in parallel (1) and hold the casing (2) of each described battery module (1), it is characterized in that, also comprise the air blast cooling device (3) that acts on described casing (2) and described battery module (1), described casing (2) has ventilating opening (4), and cooling air circulates between described air blast cooling device (3) and described ventilating opening (4).
2. power battery pack according to claim 1 is characterized in that, described air blast cooling device (3) is for being located at the Air Blast fan bottom the described casing (2), and described ventilating opening (4) is located at the top of described casing (2).
3. power battery pack according to claim 1 is characterized in that, described air blast cooling device (3) is for being located at the extractor fan at described casing (2) top, and described ventilating opening (4) is located at the bottom of described casing (2).
4. according to each described power battery pack of claim 1 to 3, it is characterized in that described casing (2) inside has dividing plate (5), each described battery module (1) separates through described dividing plate (5).
5. power battery pack according to claim 4 is characterized in that, described dividing plate (5) is the hollowed-out board of hollow.
6. power battery pack according to claim 5 is characterized in that, the side plate of described casing (2) has outward extending radiating fin (6).
7. power battery pack according to claim 6 is characterized in that, described side plate comprises first side plate parallel with described dividing plate (5), and the inner surface of described first side plate has reinforcement (7).
8. power battery pack according to claim 7 is characterized in that, the position of described reinforcement (7) is corresponding with the position of described radiating fin (6).
9. power battery pack according to claim 4, it is characterized in that, described battery module (1) comprises first power brick (11) and second power brick (12) that forms by electrokinetic cell, described first power brick (11) be located at described second power brick (12) directly over, be provided with support component (13) between described first power brick (11) and described second power brick (12), so that have predetermined distance between described first power brick (11) and described second power brick (12).
10. an electric automobile comprises the power battery pack that power is provided, and it is characterized in that, described power battery pack is each described power battery pack of claim 1 to 9.
Priority Applications (1)
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CN2010205285673U CN201766113U (en) | 2010-09-13 | 2010-09-13 | Electric automobile and power battery pack therefor |
Applications Claiming Priority (1)
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CN2010205285673U CN201766113U (en) | 2010-09-13 | 2010-09-13 | Electric automobile and power battery pack therefor |
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CN201766113U true CN201766113U (en) | 2011-03-16 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101944581A (en) * | 2010-09-13 | 2011-01-12 | 天津市捷威动力工业有限公司 | Power battery pack and electric automobile with same |
CN103296320A (en) * | 2011-10-14 | 2013-09-11 | 江苏春兰清洁能源研究院有限公司 | High-capacity nickel-hydrogen battery |
CN105000066A (en) * | 2015-07-23 | 2015-10-28 | 广西柳拖车辆有限公司 | Electric automobile frame |
WO2016034050A1 (en) * | 2014-09-02 | 2016-03-10 | 葛炽昌 | Electric vehicle, power supply station, and power maintaining method for electric vehicle |
CN106684279A (en) * | 2016-12-02 | 2017-05-17 | 苏州格曼斯温控科技有限公司 | Heat exchange device for battery box of new energy automobile |
CN107611307A (en) * | 2017-09-23 | 2018-01-19 | 芜湖雪影实业有限公司 | A kind of battery of electric vehicle mounting structure |
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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2010
- 2010-09-13 CN CN2010205285673U patent/CN201766113U/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101944581A (en) * | 2010-09-13 | 2011-01-12 | 天津市捷威动力工业有限公司 | Power battery pack and electric automobile with same |
CN103296320A (en) * | 2011-10-14 | 2013-09-11 | 江苏春兰清洁能源研究院有限公司 | High-capacity nickel-hydrogen battery |
WO2016034050A1 (en) * | 2014-09-02 | 2016-03-10 | 葛炽昌 | Electric vehicle, power supply station, and power maintaining method for electric vehicle |
CN105437987A (en) * | 2014-09-02 | 2016-03-30 | 葛炽昌 | Electric vehicle, power supply station and power maintaining method of electric vehicle |
TWI620393B (en) * | 2014-09-02 | 2018-04-01 | 葛熾昌 | Electric vehicle and power maintaining method thereof |
US10464431B2 (en) | 2014-09-02 | 2019-11-05 | Chih-Chan Ger | Electric vehicle, power supply station, and power maintaining method for electric vehicle |
CN105437987B (en) * | 2014-09-02 | 2020-10-13 | 葛炽昌 | Electric vehicle, power supply station, and electric power maintaining method for electric vehicle |
CN105000066A (en) * | 2015-07-23 | 2015-10-28 | 广西柳拖车辆有限公司 | Electric automobile frame |
CN106684279A (en) * | 2016-12-02 | 2017-05-17 | 苏州格曼斯温控科技有限公司 | Heat exchange device for battery box of new energy automobile |
CN107611307A (en) * | 2017-09-23 | 2018-01-19 | 芜湖雪影实业有限公司 | A kind of battery of electric vehicle mounting structure |
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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Granted publication date: 20110316 Termination date: 20150913 |
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