CN103199316A - Battery pack and heat radiation structure thereof - Google Patents

Battery pack and heat radiation structure thereof Download PDF

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Publication number
CN103199316A
CN103199316A CN2013101384413A CN201310138441A CN103199316A CN 103199316 A CN103199316 A CN 103199316A CN 2013101384413 A CN2013101384413 A CN 2013101384413A CN 201310138441 A CN201310138441 A CN 201310138441A CN 103199316 A CN103199316 A CN 103199316A
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CN
China
Prior art keywords
heat
temperature
battery pack
radiator
plate
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CN2013101384413A
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Chinese (zh)
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CN103199316B (en
Inventor
程文
黄卜夫
龚灼
钟翔宇
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安科智慧城市技术(中国)有限公司
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Publication of CN103199316A publication Critical patent/CN103199316A/en
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Publication of CN103199316B publication Critical patent/CN103199316B/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D19/00Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infra-red detectors

Abstract

The invention discloses a battery pack and a heat radiation structure of the battery pack. The heat radiation structure is used for regulating the temperature of a plurality of battery units in the battery pack, and comprises a semiconductor heat exchange device and a heat radiation assembly, wherein the semiconductor heat exchange device is provided with a first side and a second side, the heat exchange between the first side and the internal part of the battery pack can be carried out through heat absorption or heat release, and the heat exchange between the second side and the external part of the battery pack can be carried out through heat absorption or heat release; and one part of the heat radiation assembly is in thermal contact with the battery units, and the other part of the heat radiation assembly is in thermal contact with the first side to transfer the heat between the semiconductor heat exchange device and the battery units. Compared with the cross-ventilation mode heat transfer, the heat radiation assembly can rapidly and efficiently transfer the heat between the battery units and the semiconductor heat exchange device, thereby enhancing the efficiency of the heat exchange between the battery pack and the external environment, and further enhancing the performance of the battery pack.

Description

Battery pack and radiator structure thereof

Technical field

The present invention relates to the battery technology field, especially relate to a kind of battery pack and radiator structure thereof.

Background technology

Battery pack is combined to form by some battery unit serial or parallel connections, battery unit can produce big calorimetric in charge and discharge process, if heat can not effectively dissipate, to make the temperature of battery pack rise rapidly and make battery generation electrical property change, and then influence the performance of battery pack.

Present battery pack is mainly dispelled the heat in air-cooled mode by fan is set, but this radiating mode efficient is lower.Chinese patent CN2884544 proposes a kind of employing semiconductor air conditioner and dispels the heat to battery pack, this semiconductor air conditioner comprises that one has the semiconductor chilling plate of first side and second side and is positioned at two fans of these semiconductor chilling plate two sides, wherein heat exchange is carried out by neither endothermic nor exothermic and battery pack inside in first side, heat exchange is carried out by neither endothermic nor exothermic and battery pack outside in second side, the fan of two sides is accelerated cross-ventilation speed, with the increase radiating efficiency, thus the heat exchange of the inside and outside environment of realization battery pack.This scheme not only can be dispelled the heat to battery pack, can also heat battery pack, works in desirable operating temperature range to guarantee battery pack.But such scheme is to carry out heat exchange by cross-ventilated mode with external environment equally, and heat exchange efficiency is not high.

Summary of the invention

Main purpose of the present invention is to provide a kind of battery pack and radiator structure thereof, is intended to improve the heat exchange efficiency of battery pack and external environment condition, and then improves the performance of battery pack, the useful life of prolongation battery pack.

To achieve these objectives, the present invention proposes a kind of radiator structure of battery pack, is used for the temperature of the inner some battery units of regulating cell group, comprising:

The semiconductor heat-exchanger rig has first side and second side, and heat exchange is carried out by neither endothermic nor exothermic and described battery pack inside in described first side, and heat exchange is carried out by neither endothermic nor exothermic and described battery pack outside in described second side;

Radiating subassembly, a part of and described battery unit thermo-contact, another part and the described first side thermo-contact are to transmit the heat between described semiconductor heat-exchanger rig and the battery unit.

Preferably, described radiating subassembly comprises and the temperature-uniforming plate of described battery unit thermo-contact, and the heat-conducting plate of the described first side thermo-contact and be connected in heat pipe between described temperature-uniforming plate and the heat-conducting plate.

Preferably, described temperature-uniforming plate and heat-conducting plate are provided with through hole, and in the through hole of one section described temperature-uniforming plate of insertion of described heat pipe, another section inserts in the through hole of described heat-conducting plate.

Preferably, described temperature-uniforming plate is combined by two panels, and wherein at least one panel is provided with the groove of ccontaining described heat pipe, described heat pipe is clamped and fastened between described two panels.

Preferably, described heat-conducting plate is combined by two panels, and wherein at least one panel is provided with the groove of ccontaining described heat pipe, described heat pipe is clamped and fastened between described two panels.

Preferably, described some battery units are arranged into multirow, and head and the tail two row battery units are adjacent respectively between the battery unit of delegation and are interspersed with described temperature-uniforming plate.

Preferably, be filled with heat-conducting resin between described temperature-uniforming plate and the battery unit.

Preferably, described semiconductor heat-exchanger rig comprises semiconductor chilling plate, the fin with described first side and second side and the control circuit that electrically connects with described semiconductor chilling plate, and described fin is close to described second side.

Preferably, described semiconductor heat-exchanger rig also comprises the air-blast device that is positioned at described battery pack outside, and described control circuit and described air-blast device electrically connect.

The present invention proposes a kind of battery pack simultaneously, comprises radiator structure and some battery units, and described radiator structure comprises:

The semiconductor heat-exchanger rig has first side and second side, and heat exchange is carried out by neither endothermic nor exothermic and described battery pack inside in described first side, and heat exchange is carried out by neither endothermic nor exothermic and described battery pack outside in described second side;

Radiating subassembly, a part of and described battery unit thermo-contact, another part and the described first side thermo-contact are to transmit the heat between described semiconductor heat-exchanger rig and the battery unit.

A kind of radiator structure provided by the present invention, by a part of and battery unit thermo-contact with radiating subassembly, the first side thermo-contact of another part and semiconductor heat-exchanger rig, to transmit the heat between described semiconductor heat-exchanger rig and the battery unit, transmit heat with respect to the cross-ventilation mode, radiating subassembly can be more rapidly and efficiently the transmission battery unit and the heat between the semiconductor heat-exchanger rig, improve the heat exchange efficiency of battery pack and external environment condition and then the performance of raising battery pack; The temperature of each battery unit of adjusting that radiating subassembly can be balanced has reduced the temperature difference between each battery unit simultaneously, has prolonged the useful life of battery pack.

Adopted the heat pipe with excellent heat conductivity performance in the radiating subassembly, make that battery pack can be more rapidly and efficiently with the external environment condition heat-shift, battery performance is able to further raising.

Description of drawings

Fig. 1 is the structural representation of radiator structure one embodiment of the present invention;

Fig. 2 is the structural representation of the semiconductor heat-exchanger rig among Fig. 1;

Fig. 3 is the structural representation of the semiconductor chilling plate among Fig. 2;

Fig. 4 is temperature-uniforming plate among Fig. 1 and the connection diagram of heat pipe;

Fig. 5 is heat-conducting plate among Fig. 1 and the connection diagram of heat pipe;

Fig. 6 is the partial sectional view of the heat pipe among Fig. 1;

Fig. 7 is the structural representation of battery pack one embodiment of the present invention;

Fig. 8 is the internal structure schematic diagram of battery pack among Fig. 7.

The realization of the object of the invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.

Embodiment

Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.

Referring to Fig. 1-Fig. 6, radiator structure one embodiment of the present invention is proposed, described radiator structure is applied to battery pack, is used for the temperature of the inner some battery units 200 of regulating cell group, comprises semiconductor heat-exchanger rig 300 and radiating subassembly 400.Described semiconductor heat-exchanger rig 300 is fixed on the shell 100 of battery pack, comprise the semiconductor chilling plate 310 with first side 311 and second side 312, be close to the fin 320 of described second side 312 and the control circuit (scheming not shown) that electrically connects with described semiconductor chilling plate 310, heat exchange is carried out by neither endothermic nor exothermic and battery pack inside in described first side 311, heat exchange is carried out by neither endothermic nor exothermic and battery pack outside in described second side 312, described fin 320 comprises base plate 321 and is connected in this base plate 321 and extends to some support plates 322 of battery pack outside that described base plate 321 is close to second side 312 of described semiconductor chilling plate 310.Described control circuit provides power supply for described semiconductor chilling plate 310, and change current direction as required: the temperature that detects described battery pack when control circuit is during greater than the ideal operation temperature range, then described semiconductor chilling plate 310 is passed to forward current, so that absorb heat in described first side 311,312 heat releases of second side; The temperature that detects described battery pack when control circuit then passes to reverse current to described semiconductor chilling plate 310 during less than the ideal operation temperature range, so that described second side, 312 heat absorptions, 311 heat releases of first side.Described ideal operation temperature range is different and difference to some extent according to the performance of battery, preferred 0 ℃~40 ℃ of present embodiment, logical forward current when namely the temperature of battery pack is greater than 40 ℃, logical reverse current during less than 0 ℃.In order to strengthen the exchange capability of heat of semiconductor heat-exchanger rig 300, described semiconductor heat-exchanger rig 300 also comprises the air-blast device 330 that is positioned at the battery pack outside, it comprises the support 331 that is fixed in battery housing 200 and the fan 332 that is installed on this support 331, control circuit and air-blast device 330 electrically connect, drive fan 332 rotations.

The principle of semiconductor heat-exchanger rig 300 refrigeration is based on paltie effect: when electric current was flowed through the node that two different conductors form, the node place can produce heat release and heat absorption phenomenon, and the size of heat release or heat absorption is decided by the size of electric current.Be the structural representation of semiconductor chilling plate 310 as shown in Figure 3, it is made up of two potsherds 313 and the some bismuth telluride semiconductors between two potsherds 313, the outer surface of described two potsherds 313 namely is respectively first side 311 and second side 312, and described bismuth telluride semiconductor comprises N type semiconductor and the P type semiconductor that is connected in series.It is right that N type semiconductor and P type semiconductor connect into galvanic couple, connect direct current after, just can energy-producing transfer, electric current absorbs heat by the joint that the N-type element flows to P type element, becomes cold junction; Electric current flows to the joint release heat of N-type element by P type element, becomes the hot junction; When current direction is reverse, hot junction and cold junction reciprocity.Heat absorption and the power of heat release ability are decided by the right logarithm of galvanic couple that the size of electrical current and N-type and P type semiconductor constitute, and electrical current is more big, galvanic couple is more many to logarithm, absorb heat and the heat release ability more strong.

As shown in Figure 1, the part of described radiating subassembly 400 and battery unit 200 thermo-contacts, another part and 311 thermo-contacts of first side are used for transmitting the heat between semiconductor heat-exchanger rig 300 and the battery unit 200.Described radiating subassembly 400 comprises temperature-uniforming plate 410, heat-conducting plate 430 and heat pipe 420, some battery units 200 are arranged into multirow in the battery pack, and head and the tail two row battery units 200 are adjacent respectively between the battery unit 200 of delegation and are interspersed with described temperature-uniforming plate 410, so that described temperature-uniforming plate 410 and battery unit 200 thermo-contacts, make the battery unit 200 that is positioned at the middle part also can transmit heat uniformly with temperature-uniforming plate 410, thereby can regulate the temperature between each battery unit 200 uniformly, effectively reduce the temperature difference between each battery unit 200.Specifically as shown in fig. 1, totally 16 of battery units 200 are arranged into 4 row, 4 row in battery pack inside, and 410 two of temperature-uniforming plates are interspersed in respectively between first row and the second row battery unit 200 and between the third line and the fourth line battery unit 200.Because there is the effect of expanding with heat and contract with cold in battery unit 200, and leaves the gap of 1~1.5mm between battery unit 200 and the temperature-uniforming plate 410, and fills heat-conducting resin 500 as epoxy resin, to improve heat transfer efficiency; Temperature-uniforming plate 410 needs to make with the high metal material of thermal conductivity, the preferred aluminum alloy materials of present embodiment, and make anodic oxidation black and handle, to take into account cost and thermal conductivity.As shown in Figure 2, described heat-conducting plate 430 is fixedly connected on the housing 100 of the fin 320 of semiconductor heat-exchanger rig 300 or battery pack, and with first side, 311 thermo-contacts of semiconductor chilling plate 310, between fin 320 and the heat-conducting plate 430 polyethylene heat-preservation cotton 340 is arranged fixedly, to improve heat transfer efficiency; Because heat-conducting plate 430 directly contacts with semiconductor heat-exchanger rig 300, the good brass of therefore preferred heat conductivility is made.Described heat pipe 420 is connected between temperature-uniforming plate 410 and the heat-conducting plate 430, in order to strengthen the exchange capability of heat of radiator structure, can use many heat pipes 420 simultaneously, preferred 4 heat pipes 420 of present embodiment.

The through hole of horizontal expansion can be set at temperature-uniforming plate 410 and heat-conducting plate 430,420 1 sections of heat pipes are inserted in the through hole of temperature-uniforming plate 410, another section inserts in the through hole of heat-conducting plate 430, so that heat pipe 420 fully contacts with heat-conducting plate 430 with temperature-uniforming plate 410, improves heat transfer efficiency.For the ease of processing, cut down finished cost, the temperature-uniforming plate 410 of present embodiment and heat-conducting plate 430 combine by two panels, wherein at least one panel is provided with the groove of horizontal expansion, heat pipe 420 is placed in this groove, the fastening two panels of recycling screw is to be fixed in heat pipe 420 between two panels.

As shown in Figure 4, be equipped with groove 413 on the panel 411 of temperature-uniforming plate and the panel 412, heat pipe 420 1 big sections are placed in the groove 413 of panel 411, and by screw and the panel 411 fastening temperature-uniforming plates 410 that are combined into, 420 of heat pipes are clamped and fastened in the temperature-uniforming plate 410 panel 412 again.For convenient for installation and maintenance, heat pipe 420 and temperature-uniforming plate 410 can be connected to one by welding manner.

As shown in Figure 5, be equipped with groove 433 on the panel 431 of heat-conducting plate and the panel 432,420 1 sections of heat pipes are placed in the groove 433 of panel 431, utilize screw to pass panel 432 and panel 431 and be fixed in semiconductor heat-exchanger rig 300 or housing 100 on, so that semiconductor chilling plate 310 is clamped and fastened between heat-conducting plate 430 and the fin 320, simultaneously heat pipe 420 is clamped and fastened in the heat-conducting plate 430.

Figure 6 shows that the structural representation of heat pipe 420 in the present embodiment, described heat pipe 420 utilizes phase-change material to transmit heat, has thermal conduction characteristic fast and efficiently.It comprises shell 421 and tube core 422, and tube core 422 inside have a vapor chamber 423, and heat pipe 420 inside are pumped into negative pressure state and charge into working solution 424 between shell 421 and tube core 422, and described working solution 424 boiling points are low, is easy to volatilization.The tube wall of tube core 422 has the imbibition core, and it is made of the capillary porous material, has some capillaries.Heat pipe is evaporation ends for 420 1 sections, other one section is condensation end, when heat pipe 420 1 ends are heated, working solution in the capillary is evaporated to steam rapidly by liquid, and steam flows to an other end under small pressure differential, and discharges heat, regelation becomes liquid, liquid flows back to evaporation section by capillary force again, and so circulation is more than, and heat is reached an other end by heat pipe 420 1 ends.This circulation is carried out fast, and heat can be come by conduction continuously, so heat pipe 420 has good heat conductivility and isothermal performance.

Certainly, radiating subassembly 400 also can only comprise temperature-uniforming plate 410 and heat-conducting plate 430, and temperature-uniforming plate 410 is fixedlyed connected with heat-conducting plate 430 or is wholely set, to transmit the heat between battery unit 200 and the semiconductor heat-exchanger rig 300.

The radiator structure course of work of present embodiment is as follows:

When battery pack owing to big discharging and recharging of electric current causes battery unit 200 adstante febres, heat at first is delivered on the temperature-uniforming plate 410, the control circuit of semiconductor heat-exchanger rig 300 detects the temperature of battery pack greater than the ideal operation temperature range, then pass to forward current to semiconductor chilling plate 310, first side 311 of semiconductor chilling plate 310 begins heat absorption, heat-conducting plate 430 is constantly freezed, cause heat-conducting plate 430 temperature to reduce, heat pipe 420 is because one section temperature height in the insertion temperature-uniforming plate 430, one section temperature inserting in the heat-conducting plate 430 is low, therefore heat pipe 420 is delivered to heat on the heat-conducting plate 430 from temperature-uniforming plate 410 endlessly, second side, 312 heat releases via semiconductor chilling plate 310 pass to fin 320 again, by air-blast device 330 heat is distributed fast in external environment condition at last, whole process is exactly constantly to give the battery pack radiating and cooling.

The temperature that detects battery pack when control circuit is during less than the ideal operation temperature range, then pass to reverse current to semiconductor chilling plate 310, second side 312 of semiconductor chilling plate 310 begins to absorb the heat of external environment condition, and via its first side, 311 heat releases with heat transferred heat-conducting plate 430, heat-conducting plate 430 is constantly heated, cause heat-conducting plate 430 temperature to raise, heat pipe 420 is because one section temperature inserting in the temperature-uniforming plate 410 is low, insert one section temperature height in the heat-conducting plate 430, therefore heat pipe 420 is delivered to heat on the temperature-uniforming plate 410 from heat-conducting plate 430 endlessly, via temperature-uniforming plate 410 heat distribution is arrived each battery unit 200 again, whole process is exactly constantly to give the battery pack heat temperature raising.

Accordingly, the radiator structure of present embodiment transmits heat with respect to the cross-ventilation mode, and the efficient of transmitting heat by radiating subassembly 400 between battery unit 200 and semiconductor heat-exchanger rig 300 is higher, improve the heat exchange efficiency of battery pack and external environment condition, and then improved the performance of battery pack.Particularly between temperature-uniforming plate 410 and heat-conducting plate 430, connect heat pipe 420, transmission temperature-uniforming plate 410 that can be more rapidly and efficiently and the heat between the heat-conducting plate 430, and via the semiconductor heat-exchanger rig 300 that is connected with heat-conducting plate 430 with the external environment condition heat-shift, and then realized rapidly and efficiently to battery pack radiating and cooling or heat temperature raising, further improve heat exchange efficiency, improved the performance of battery pack.

In conjunction with referring to Fig. 7, Fig. 8, battery pack one embodiment of the present invention is proposed, described battery pack comprises shell 100, is placed in the some battery units 200 in the shell 100 and the radiator structure that is fixed in shell 100, described radiator structure is the radiator structure described in above-described embodiment, does not repeat them here.Some battery units 200 in the shell are arranged into multirow, and head and the tail two row battery units 200 are adjacent respectively between the battery unit 200 of delegation and are interspersed with described temperature-uniforming plate 410, so that described temperature-uniforming plate 410 and battery unit 200 thermo-contacts, make the battery unit 200 that is positioned at the middle part also can transmit heat uniformly with temperature-uniforming plate 410, thereby can regulate the temperature between each battery unit 200 uniformly, effectively reduce the temperature difference between each battery unit 200.Specifically as shown in Figure 8, totally 16 of battery units 200 are arranged into 4 row, 4 row, and 410 two of temperature-uniforming plates are interspersed in respectively between first row and the second row battery unit 200 and between the third line and the fourth line battery unit 200.Battery unit 200 ends have pressed solidly pressing plate 600, and are loosening to prevent battery unit 200; The semiconductor heat-exchanger rig 300 of radiator structure is fixed on the shell 100, and its end with air-blast device 330 places shell 100 outsides.

The battery pack of present embodiment, owing to adopted the radiator structure of above-described embodiment, with temperature-uniforming plate 410 and battery unit 200 thermo-contacts, and each battery unit 200 equates with the contact area of temperature-uniforming plate 410, temperature with each battery unit 200 of adjusting of equilibrium, reduce the temperature difference between each battery unit 200, prolonged the useful life of battery pack; Transmit heat with respect to the cross-ventilation mode, the efficient of transmitting heat by radiating subassembly 400 between battery unit 200 and semiconductor heat-exchanger rig 300 is higher, has improved the heat exchange efficiency of battery pack and external environment condition, and then has improved the performance of battery pack.

Particularly between temperature-uniforming plate 410 and heat-conducting plate 430, connect heat pipe 420, transmission temperature-uniforming plate 410 that can be more rapidly and efficiently and the heat between the heat-conducting plate 430, and via the semiconductor heat-exchanger rig 300 that is connected with heat-conducting plate 430 with the external environment condition heat-shift, and then realized rapidly and efficiently to battery pack radiating and cooling or heat temperature raising, further improve heat exchange efficiency, improved the performance of battery pack.

Should be understood that; below only be the preferred embodiments of the present invention; can not therefore limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.

Claims (10)

1. the radiator structure of a battery pack is used for the temperature of the inner some battery units of regulating cell group, it is characterized in that, comprising:
The semiconductor heat-exchanger rig has first side and second side, and heat exchange is carried out by neither endothermic nor exothermic and described battery pack inside in described first side, and heat exchange is carried out by neither endothermic nor exothermic and described battery pack outside in described second side;
Radiating subassembly, a part of and described battery unit thermo-contact, another part and the described first side thermo-contact are to transmit the heat between described semiconductor heat-exchanger rig and the battery unit.
2. radiator structure according to claim 1 is characterized in that, described radiating subassembly comprises and the temperature-uniforming plate of described battery unit thermo-contact, and the heat-conducting plate of the described first side thermo-contact and be connected in heat pipe between described temperature-uniforming plate and the heat-conducting plate.
3. radiator structure according to claim 2 is characterized in that, described temperature-uniforming plate and heat-conducting plate are provided with through hole, and in the through hole of one section described temperature-uniforming plate of insertion of described heat pipe, another section inserts in the through hole of described heat-conducting plate.
4. radiator structure according to claim 2 is characterized in that, described temperature-uniforming plate is combined by two panels, and wherein at least one panel is provided with the groove of ccontaining described heat pipe, described heat pipe is clamped and fastened between described two panels.
5. radiator structure according to claim 2 is characterized in that, described heat-conducting plate is combined by two panels, and wherein at least one panel is provided with the groove of ccontaining described heat pipe, described heat pipe is clamped and fastened between described two panels.
6. according to each described radiator structure of claim 2-5, it is characterized in that described some battery units are arranged into multirow, and head and the tail two row battery units are adjacent respectively between the battery unit of delegation and are interspersed with described temperature-uniforming plate.
7. radiator structure according to claim 6 is characterized in that, is filled with heat-conducting resin between described temperature-uniforming plate and the battery unit.
8. according to each described radiator structure of claim 1-5, it is characterized in that, described semiconductor heat-exchanger rig comprises semiconductor chilling plate, the fin with described first side and second side and the control circuit that electrically connects with described semiconductor chilling plate, and described fin is close to described second side.
9. radiator structure according to claim 8 is characterized in that, described semiconductor heat-exchanger rig also comprises the air-blast device that is positioned at described battery pack outside, and described control circuit and described air-blast device electrically connect.
10. a battery pack comprises radiator structure and some battery units, it is characterized in that, described radiator structure is as each described radiator structure of claim 1-9.
CN201310138441.3A 2013-04-19 2013-04-19 Battery pack and radiator structure thereof CN103199316B (en)

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CN103199316B CN103199316B (en) 2015-12-02

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CN104329871A (en) * 2014-08-29 2015-02-04 青岛海尔股份有限公司 Semi-conductor refrigeration refrigerator and cold end heat exchanging device thereof
CN104344642A (en) * 2014-08-29 2015-02-11 青岛海尔股份有限公司 Semiconductor cooling refrigerator and hot-end heat exchange device for same
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CN104934656A (en) * 2014-03-18 2015-09-23 福特全球技术公司 Traction battery thermal management system
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CN105258382A (en) * 2015-09-29 2016-01-20 青岛海尔特种电冰箱有限公司 Heat exchange device and semiconductor refrigerator provided with same
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CN104613556A (en) * 2013-11-04 2015-05-13 珠海格力电器股份有限公司 Cooling device of electrical apparatus element and air conditioner having same
CN104934656A (en) * 2014-03-18 2015-09-23 福特全球技术公司 Traction battery thermal management system
CN104934656B (en) * 2014-03-18 2019-03-08 福特全球技术公司 Traction battery heat management system
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