CN103972609A - Power battery pack assembly - Google Patents

Power battery pack assembly Download PDF

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Publication number
CN103972609A
CN103972609A CN201410232724.9A CN201410232724A CN103972609A CN 103972609 A CN103972609 A CN 103972609A CN 201410232724 A CN201410232724 A CN 201410232724A CN 103972609 A CN103972609 A CN 103972609A
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CN
China
Prior art keywords
case body
battery case
battery pack
pack assembly
power battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410232724.9A
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Chinese (zh)
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CN103972609B (en
Inventor
阳斌
夏顺礼
赵久志
张宝鑫
王诗铭
宋军
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Anhui Jianghuai Automobile Group Corp
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Anhui Jianghuai Automobile Group Corp
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Priority to CN201410232724.9A priority Critical patent/CN103972609B/en
Publication of CN103972609A publication Critical patent/CN103972609A/en
Application granted granted Critical
Publication of CN103972609B publication Critical patent/CN103972609B/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention discloses a power battery pack assembly which comprises a power battery module arranged in a battery pack box and a heat dissipation device, wherein the heat dissipation device comprises a ventilating board; multiple diversion parts and vent holes are formed in the ventilating board; the ventilating board is arranged between the power battery module and the bottom of the battery pack box. The power battery pack assembly is simple in structure, reasonable in layout, high in heat dissipation speed and uniform in heat dissipation.

Description

A kind of power battery pack assembly
Technical field
The present invention relates to power battery technology field, particularly a kind of power battery pack assembly.
Background technology
In electric automobile or hybrid vehicle, all need to use electrokinetic cell that power is provided, electrokinetic cell in use can produce amount of heat, need to adopt the heat abstractor guarantee electrokinetic cell continuous firing of dispelling the heat.
In prior art, power battery pack assembly comprises: the electrokinetic cell module and the heat abstractor that are arranged on battery case body inside, heat abstractor mainly comprises the air channel forming between casing air inlet, casing air outlet and the electrokinetic cell module arranging on battery case body, by heat abstractor, electrokinetic cell module is realized to heat radiation.Conventionally electrokinetic cell module is directly fixed on battery case body base plate, because bottom windage is large, is unfavorable for Homogeneouslly-radiating, cause the electrokinetic cell module top and the bottom temperature difference larger, reduce the life-span of electrokinetic cell module.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of power battery pack assembly, rapid heat dissipation, and can Homogeneouslly-radiating.
The technical scheme that the embodiment of the present invention provides is as follows:
A kind of power battery pack assembly, comprise the electrokinetic cell module and the heat abstractor that are arranged on battery case body inside, described heat abstractor comprises ventilating board, on described ventilating board, be provided with multiple diversion components and multiple ventilation hole, described ventilating board is arranged between described electrokinetic cell module and the base plate of described battery case body.
Preferably, also comprise: be arranged on the fixing support rack on described battery case body base plate, on described fixing support rack, have aeration structure, described ventilating board is arranged on described battery case body base plate by described fixing support rack.
Preferably, described fixing support rack comprises the support bar of many arch hollow structures, and described many support bar parallel interval are arranged on the base plate of described battery case body.
Preferably, also comprise: be arranged on the air-intake device on described battery case body; Described air-intake device comprises the flat shell that polylith side plate and flow distribution plate surround, on the part side plate of described flat shell, be provided with air inlet and guiding gutter, on described flow distribution plate, be provided with multiple air outlets, described air-intake device is connected with described battery case body by described air outlet.
Preferably, the bore width of described air inlet is at least the half of described battery case body width.
Preferably, described diversion component comprises multiple diversion columns, and in described multiple diversion columns, at least two centres have bolt, by described bolt and the coordinating of bolt hole on described support bar described support bar and described ventilating board being fixed.
Preferably, described diversion column is cylindrical, and described multiple diversion columns are arranged on the base plate of described battery case body with rhombus.
Preferably, described diversion component also comprises the flow guide bar of multiple fishtails, described flow guide bar between two symmetry arrangement on the base plate of described battery case body.
Preferably, also comprise: be arranged on the battery management system in described battery case body centre position, described multiple electrokinetic cell modules are arranged around described battery management system.
Preferably, on the outer surface of described each electrokinetic cell module, be provided with multiple ventilation holes.
The power battery pack assembly that the embodiment of the present invention provides, by ventilating board being set between electrokinetic cell module and battery case body base plate, can make to have certain space between electrokinetic cell module and battery case body base plate, thereby can dispel the heat by electrokinetic cell module bottom.Owing to being provided with multiple diversion components and ventilation hole on ventilating board, cold wind can diversed parts be divided into multiply and enters battery case body, and then flows from bottom to top by ventilation hole, can accelerate heat radiation process, and makes heat radiation more even.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, the accompanying drawing the following describes is only some embodiment that record in the present invention, for those of ordinary skill in the art, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the overall schematic of a kind of power battery pack assembly of providing of the embodiment of the present invention;
Fig. 2 is the schematic diagram after the partly cut-away of a kind of power battery pack assembly of providing of the embodiment of the present invention;
Fig. 3 is the rearview of Fig. 2;
Fig. 4 is the structural representation of a kind of ventilating board of providing of the embodiment of the present invention;
Fig. 5 is the partly cut-away's schematic diagram after a kind of ventilating board that the embodiment of the present invention provides is installed;
Fig. 6 is the overall schematic of a kind of battery case body of providing of the embodiment of the present invention;
Fig. 7 is the stereogram of a kind of air-intake device of providing of the embodiment of the present invention;
Fig. 8 is the rearview of Fig. 7.
Reference numeral:
1-power battery pack assembly; 2-electrokinetic cell module; 3-heat abstractor; 4-ventilating board; 5-diversion component; 6-battery case body; 7-fixing support rack; 8-support bar; 9-air-intake device; 10-air inlet; 11-air outlet; 12-flow distribution plate; 13-diversion column; 14-flow guide bar; 15-battery management system; 16-ventilation hole; 17-casing air outlet; The diversion column of the built-in bolt of 18-; 19-bolt hole; 20-side plate; 21-guiding gutter.
Embodiment
In order to make those skilled in the art person understand better the scheme of the embodiment of the present invention, below in conjunction with drawings and embodiments, the embodiment of the present invention is described in further detail.
As shown in Figures 1 to 8, power battery pack assembly 1 can comprise the electrokinetic cell module 2 and the heat abstractor 3 that are arranged on battery case body 6 inside, heat abstractor 3 can comprise ventilating board 4, multiple diversion components 5 and multiple ventilation hole 16 can be set on ventilating board 4, ventilating board 4 can be arranged between electrokinetic cell module 2 and the base plate of battery case body 6.By ventilating board 4 being set between electrokinetic cell module 2 and battery case body 6, electrokinetic cell module 2 can be raised, thereby make to have certain space between electrokinetic cell module 2 and battery case body 6, after cold wind enters battery case body 6, can dispel the heat by electrokinetic cell module 2 bottoms, by the multiple diversion components 5 on ventilating board 4, cold wind can be divided into multiply and enter battery case body 6 inside, and then flow from bottom to top by ventilation hole, not only can accelerate radiating rate, also make heat radiation more even, make electrokinetic cell module 2 top and the bottom temperature more even, improve the useful life of electrokinetic cell module 2.Wherein, the shape of ventilation hole 16 can be set to arbitrary shape as required, is preferably set in embodiments of the present invention rectangle.
For the ease of fixing of ventilating board 4, above-mentioned power battery pack assembly 1 can also comprise the fixing support rack 7 on the base plate that is arranged on battery case body 6, can easily ventilating board 4 be arranged on the base plate of battery case body 6 by fixing support rack 7.Wherein, on fixing support rack 7, be provided with aeration structure, wind energy is enough in fixing support rack 7 intermediate flow mistakes, thereby makes heat radiation quicker.
Can be fixed as required the structural design of bracing frame 7, for example, in the middle of fixing support rack 7 can being set to, there is the integral structure of aeration structure, certainly fixing support rack 7 can also be set to split-type structural, for example, fixing support rack 7 is set to the structure of the support bar 8 that comprises many arch hollow structures, to effectively carry out water conservancy diversion, many support bar 8 parallel interval are arranged on the base plate of battery case body 6, between two adjacent support bars 8, form aeration structure, wind energy is enough flow through, so that dispel the heat.
Above-mentioned power battery pack assembly 1 can also comprise the air-intake device 9 being arranged on battery case body 6; Wherein, air-intake device 9 can comprise the flat shell that polylith side plate 20 and flow distribution plate 12 surround, air inlet 10 and guiding gutter 21 can be set on the part side plate 20 of flat shell, multiple air outlets 11 can be set on flow distribution plate 12, and air-intake device 9 is connected with battery case body 6 by air outlet 11.Preferably air inlet 10 and guiding gutter 21 can be separately positioned on different side plates, cold wind enters after air-intake device 9 by air inlet 10, by the multiple air outlets 11 on flow distribution plate 12, wind is split into multiply and enter battery case body 6 inside, can further guide wind direction by guiding gutter 21, wherein a part of wind enters the ventilation hole by ventilating board 4 16 front space of electrokinetic cell module 2, and flow out from casing air outlet 17 in the air channel through battery modules 2; Another part wind moves ahead along electrokinetic cell module 2 bottom spaces continuation along diversion component 5, owing to being provided with ventilation hole 16 on ventilating board 4, enter the top of electrokinetic cell module 2 by constantly there being wind to pass ventilating board 4, thereby makes heat radiation more evenly, fast.
Easily sink according to cold air, and easily up Air Flow rule of hot-air, the position of air inlet 10 can be arranged on to the position near battery case body 6 bottoms, and casing air outlet 17 is arranged on to the position near battery case body 6 tops, thereby cold wind is entered after battery case body 6 by air inlet 10, can import more equably electrokinetic cell module 2 bottoms, through the water conservancy diversion of diversion component 5, can make blast and wind speed more even, rising to top by ventilation hole 16 flows out by casing air outlet 17, meet the air-flow character of cold and hot air, avoid occurring dead angle, air channel and air flow shortcircuit, reduce the heat accumulation that heat radiation dead angle forms, make heat radiation quicker, evenly, thereby make the temperature uniformity more of each electrokinetic cell module 2.
Can, by strengthening the air inlet 10 of air-intake device 9 and the bore of casing air outlet 17, increase radiating surface, to improve outlet and inlet speed and then to accelerate radiating rate.For example, bore width that can air inlet 10 is set to be more than or equal to the half of battery case body 6 width, and bore width that can casing air outlet 17 is set to be more than or equal to 1/4 of battery case body 6 width.The quantity of air inlet 10 and casing air outlet 17 can be set as required, one to three air inlet 10 and casing air outlet 17 can be set respectively, preferably air inlet 10 and casing air outlet 17 all can be set to two, to accelerate outlet and inlet speed, accelerate heat radiation.
In embodiments of the present invention, the shape of diversion component 5 and structure can arrange as required, for example, can be set to column, strip or bulk, preferably multiple diversion components 5 all can be set to diversion column 13.For the ease of fixing of support bar 8 and ventilating board 4, can bolt be set at least two diversion column inside, and bolt hole 19 is set on the relevant position of support bar 8, the bolt of diversion column 18 inside by built-in bolt was fixed support bar 8 and ventilating board 4 with the coordinating of bolt hole on support bar 8.A part in can certainly multiple diversion components 5 is set to diversion column 13, and another part is set to flow guide bar 14, and the concrete quantity of the quantity of diversion component 5 and diversion column 13, flow guide bar 14 can arrange according to the specific requirement of heat radiation.
Preferably, shape that can diversion column 13 is set to cylindrical, and multiple diversion columns 13 can be arranged on the base plate of battery case body 6 with rhombus.In the position that there is no diversion component 5, wind is easily kept straight on, and the diversion column 13 of arranging by assuming diamond in shape can change the running orbit of wind, and this place of effective disturbance distinguished and admirable makes wind energy enough enter the top of ventilating board 4, accelerates heat radiation process.
Preferably, the shape of flow guide bar 14 can be designed to nose circle arc convergence, the open fishtail of end circular arc, and between two symmetry arrangement on the base plate of battery case body 6.Cold wind enters the outside of the flow guide bar 14 that is positioned at front end from battery case body 6 one end, carry out cooling to the electrokinetic cell module 2 that is positioned at battery case body 6 marginal positions, end flow guide bar 14 shrinks and further stops wind to run through between flow guide bar 14, thereby can effectively promote heat exchange effect, avoid that wind speed is excessive, air quantity is uneven and the potential threat such as windage is excessive, finally realize uniform distribution power battery pack bottom space air quantity everywhere, and then reach the object of Homogeneouslly-radiating.
Above-mentioned power battery pack assembly can also comprise the battery management system 15 that is arranged on battery case body 6 centre positions, can carry out the setting of electrokinetic cell module 2 quantity according to the size of battery case body 6 sizes, specifically multiple electrokinetic cell modules 2 can be arranged around battery management system 15, this arrangement mode compact conformation, is convenient to Homogeneouslly-radiating.
In addition, ventilation hole 16 can also be set on the outer surface of each electrokinetic cell module 2 further to improve radiating effect.For example, electrokinetic cell module 2 can be set to rectangular shape, multiple ventilation holes 16 can be set on each surface of cuboid, thereby make wind energy enough by ventilation hole 16 from all around, upper and lower all directions are through electrokinetic cell module 2, thereby the heat that electrokinetic cell module 2 is produced by flowing in battery case body 6 by ventilation hole 16 streamed, finally flows out from casing air outlet 17 in time under fan action.Wherein, the shape of ventilation hole 16 can be set to circle, rhombus or triangle etc. as required, is preferably set to rectangle, and by open ventilation hole 16 on electrokinetic cell module 2, technique is simple, is easy to realize, and radiating effect is good.
Heat abstractor 3 in the embodiment of the present invention can be selected lightweight, high-intensity material, to reduce the weight of electrokinetic cell assembly, reaches lightweight object, and wherein, ventilating board 4 can adopt the material that is easy to moulding to make, such as plastics, cast aluminium etc.
The power battery pack assembly that the embodiment of the present invention provides, by ventilating board being set between electrokinetic cell module and battery case body base plate, can make to have certain space between electrokinetic cell module and battery case body base plate, thereby can dispel the heat by electrokinetic cell module bottom.Owing to being provided with multiple diversion components and ventilation hole on ventilating board, cold wind can diversed parts be divided into multiply and enters battery case body, and then flows from bottom to top by ventilation hole, can accelerate heat radiation process, and makes heat radiation more even.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (10)

1. a power battery pack assembly, comprise the electrokinetic cell module and the heat abstractor that are arranged on battery case body inside, it is characterized in that: described heat abstractor comprises ventilating board, on described ventilating board, be provided with multiple diversion components and multiple ventilation hole, described ventilating board is arranged between described electrokinetic cell module and the base plate of described battery case body.
2. power battery pack assembly according to claim 1, it is characterized in that, also comprise: be arranged on the fixing support rack on described battery case body base plate, on described fixing support rack, have aeration structure, described ventilating board is arranged on described battery case body base plate by described fixing support rack.
3. power battery pack assembly according to claim 2, is characterized in that: described fixing support rack comprises the support bar of many arch hollow structures, and described many support bar parallel interval are arranged on the base plate of described battery case body.
4. power battery pack assembly according to claim 3, is characterized in that, also comprises: be arranged on the air-intake device on described battery case body; Described air-intake device comprises the flat shell that polylith side plate and flow distribution plate surround, on the part side plate of described flat shell, be provided with air inlet and guiding gutter, on described flow distribution plate, be provided with multiple air outlets, described air-intake device is connected with described battery case body by described air outlet.
5. power battery pack assembly according to claim 4, is characterized in that: the bore width of described air inlet is at least the half of described battery case body width.
6. power battery pack assembly according to claim 4, it is characterized in that: described diversion component comprises multiple diversion columns, in described multiple diversion column, at least two centres have bolt, by described bolt and the coordinating of bolt hole on described support bar described support bar and described ventilating board being fixed.
7. power battery pack assembly according to claim 6, is characterized in that: described diversion column is cylindrical, and described multiple diversion columns are arranged on the base plate of described battery case body with rhombus.
8. power battery pack assembly according to claim 6, is characterized in that: described diversion component also comprises the flow guide bar of multiple fishtails, described flow guide bar between two symmetry arrangement on the base plate of described battery case body.
9. according to the power battery pack assembly described in claim 1 to 8 any one, it is characterized in that, also comprise: be arranged on the battery management system in described battery case body centre position, described multiple electrokinetic cell modules are arranged around described battery management system.
10. power battery pack assembly according to claim 9, is characterized in that: on the outer surface of described each electrokinetic cell module, be provided with multiple ventilation holes.
CN201410232724.9A 2014-05-28 2014-05-28 A kind of power battery pack assembly Active CN103972609B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN103972609B CN103972609B (en) 2016-02-10

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108155318A (en) * 2017-12-26 2018-06-12 北京北交新能科技有限公司 A kind of rail traffic variable inner air duct lithium ion battery module
CN108565524A (en) * 2018-03-22 2018-09-21 华南理工大学 A kind of underlying air duct and subregion heat dissipation battery cooling device
CN114194017A (en) * 2020-09-17 2022-03-18 奥动新能源汽车科技有限公司 Battery pack mounting part for horizontally mounting battery pack and electric automobile with battery pack mounting part

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06338334A (en) * 1993-05-27 1994-12-06 Toshiba Corp Cooling plate and cooling system for fuel cell
US5606239A (en) * 1993-09-09 1997-02-25 Bayerische Motoren Werke Ag Cooling device for electric vehicle battery charger and wiring converter
CN101752597A (en) * 2010-01-29 2010-06-23 上海汽车集团股份有限公司 Power battery device of electric vehicle
CN102496751A (en) * 2011-12-27 2012-06-13 力帆实业(集团)股份有限公司 Battery pack possessing thermal management function, its control system and its control method
CN103199203A (en) * 2013-03-29 2013-07-10 中航锂电(洛阳)有限公司 Lithium ion power battery box
CN203839485U (en) * 2014-05-28 2014-09-17 安徽江淮汽车股份有限公司 Power battery pack assembly

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06338334A (en) * 1993-05-27 1994-12-06 Toshiba Corp Cooling plate and cooling system for fuel cell
US5606239A (en) * 1993-09-09 1997-02-25 Bayerische Motoren Werke Ag Cooling device for electric vehicle battery charger and wiring converter
CN101752597A (en) * 2010-01-29 2010-06-23 上海汽车集团股份有限公司 Power battery device of electric vehicle
CN102496751A (en) * 2011-12-27 2012-06-13 力帆实业(集团)股份有限公司 Battery pack possessing thermal management function, its control system and its control method
CN103199203A (en) * 2013-03-29 2013-07-10 中航锂电(洛阳)有限公司 Lithium ion power battery box
CN203839485U (en) * 2014-05-28 2014-09-17 安徽江淮汽车股份有限公司 Power battery pack assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108155318A (en) * 2017-12-26 2018-06-12 北京北交新能科技有限公司 A kind of rail traffic variable inner air duct lithium ion battery module
CN108565524A (en) * 2018-03-22 2018-09-21 华南理工大学 A kind of underlying air duct and subregion heat dissipation battery cooling device
CN114194017A (en) * 2020-09-17 2022-03-18 奥动新能源汽车科技有限公司 Battery pack mounting part for horizontally mounting battery pack and electric automobile with battery pack mounting part
CN114194016A (en) * 2020-09-17 2022-03-18 奥动新能源汽车科技有限公司 Battery pack mounting part for horizontally hanging battery pack and electric automobile
CN114274754A (en) * 2020-09-17 2022-04-05 奥动新能源汽车科技有限公司 Battery mounting part for vertically hanging battery pack and electric automobile

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Inventor after: Yan Gang

Inventor after: Yang Bin

Inventor after: Xia Shunli

Inventor after: Zhao Jiuzhi

Inventor after: Zhang Baoxin

Inventor after: Wang Shiming

Inventor after: Song Jun

Inventor before: Yang Bin

Inventor before: Xia Shunli

Inventor before: Zhao Jiuzhi

Inventor before: Zhang Baoxin

Inventor before: Wang Shiming

Inventor before: Song Jun

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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669

Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd

Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669

Patentee before: Anhui Jianghuai Automotive Co., Ltd.

CP01 Change in the name or title of a patent holder