CN107331920A - Battery pack housing and battery bag with heat exchange function - Google Patents

Battery pack housing and battery bag with heat exchange function Download PDF

Info

Publication number
CN107331920A
CN107331920A CN201710711839.XA CN201710711839A CN107331920A CN 107331920 A CN107331920 A CN 107331920A CN 201710711839 A CN201710711839 A CN 201710711839A CN 107331920 A CN107331920 A CN 107331920A
Authority
CN
China
Prior art keywords
heat exchange
battery pack
pack housing
battery
base board
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.)
Pending
Application number
CN201710711839.XA
Other languages
Chinese (zh)
Inventor
葛增芳
方杰
龚晓
赵文鹏
王全明
姜亚平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NIO Co Ltd
Original Assignee
NIO Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NIO Co Ltd filed Critical NIO Co Ltd
Priority to CN201710711839.XA priority Critical patent/CN107331920A/en
Publication of CN107331920A publication Critical patent/CN107331920A/en
Priority to PCT/CN2018/100745 priority patent/WO2019034097A1/en
Priority to TW107128891A priority patent/TWI758528B/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/271Lids or covers for the racks or secondary casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6556Solid parts with flow channel passages or pipes for heat exchange
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • H01M10/6568Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/658Means for temperature control structurally associated with the cells by thermal insulation or shielding
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • 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 present invention provides a kind of battery pack housing and battery bag with heat exchange function, belongs to cell art.Multiple side plates that battery pack housing of the invention includes heat exchange substrate and is fixed on heat exchange substrate, wherein, heat exchange substrate and multiple side plates surround the cavity to be formed for accommodating and fixing one or more battery module basically;Heat exchange substrate assembles to be formed by one or more heat exchange base board units, and each heat exchange base board unit is monolithic construction and is provided with multiple first flows;Side plate be monolithic construction and its at least one in be provided with second flow channel;By being welded to connect one or more heat exchange base board units of side plate and the substrate that exchanges heat so that making first flow be collectively form recuperated cycle passage with multiple second flow channels, wherein, the inlet and liquid outlet of recuperated cycle passage are arranged at least one side plate for being provided with second flow channel.The stock utilization of battery pack housing of the present invention is high, cost is low, scalability is good, good reliability.

Description

Battery pack housing and battery bag with heat exchange function
Technical field
The invention belongs to cell art, it is related to a kind of battery pack housing with heat exchange function and uses the battery The battery bag of pack housing.
Background technology
Current battery bag(Also referred to as " cell power systems ")Application in, especially in New-energy electric vehicle field, Ask battery bag that there is higher specific energy, while requiring that there is higher safety coefficient and longer service life;High-energy is close The battery bag of degree in operation, can produce certain heat, if heat can not be taken away in time, can be to battery bag life-span and safety Performance produces larger harm.Accordingly, it would be desirable to heat management be carried out to battery bag, for example, it is desired to which designing one kind ensures that battery is maintained The battery bag of preference temperature and lightweight, so as to meet a whole set of battery bag high-energy-density and vehicle lightweight requirements.
With the competition that increasingly sharpens, the cost control and lightweight of Automobile Design turn into important indicator.In tradition with electricity In the battery bag of pond liquid-cooling system, its structure and its deficiency are mainly manifested in following aspects:(1)Coldplate or cooling Pipe is individually designed with shell structure, then is assembled together and to be formed battery bag, and stock utilization is low, processing cost is higher;(2) Individually designed cooling tube, and its with heat exchange substrate be connected by joint, increase coolant disclosure risk, improve manufacturing cost, Installing space there are certain requirements;(3)When the battery modules or battery pack structure in battery bag change(If such as battery Bag changes merely from the size on length and width direction)When, battery pack housing needs to redesign and re-mold system Make, processing cost is higher, it is portable poor.
The content of the invention
It is an object of the present invention to open a solution, the solution is eliminated or at least mitigated in prior art The defect as described above occurred.The target of the present invention is also realize following advantage one or more:
- improve the stock utilization of battery pack housing, reduce its manufacture processing cost;
- avoid using the cooling tube and joint separated;
The reliability of-raising battery pack housing;
The scalability of-raising battery pack housing;
The cost of the various sizes of battery pack housing of-reduction exploitation, shortens the construction cycle.
To realize object above or other purposes, the present invention provides following technical scheme.
It is an aspect of this invention to provide that providing a kind of battery pack housing with heat exchange function(100), including heat exchange substrate (5)And it is fixed on the heat exchange substrate(5)On multiple side plates(3,4,8), wherein, the heat exchange substrate(5)With multiple sides Plate(3,4,8)Surrounding to be formed basically is used to accommodate and fixed one or more battery module(2)Cavity(101);
The heat exchange substrate(5)Pass through one or more heat exchange base board units(50)Assembling is formed, each heat exchange substrate list Member(50)For monolithic construction and it is provided with multiple first flows(54);
The side plate(3,4,8)For monolithic construction and its at least one in be provided with second flow channel(43,84);
By being welded to connect the side plate(3,4,8)With the heat exchange substrate(5)One or more heat exchange base board units(50) So that making the first flow(54)With multiple second flow channels(43,84)It is collectively form recuperated cycle passage(10), Wherein, the recuperated cycle passage(10)Inlet(91)And liquid outlet(91)It is arranged in and is provided with the second flow channel(43, 84)At least one side plate(3,4,8)On.
Battery pack housing according to an embodiment of the invention(100), wherein, the heat exchange base board unit(50)And its first Runner(54)It is integrally formed by extruding, the side plate(3,4,8)It is integrally formed by extruding.
Battery pack housing according to an embodiment of the invention(100), wherein, formed after extruding is integrally formed by cutting Suitable for the cavity(101)Size corresponding size the heat exchange base board unit(50)With the side plate(3,4,8).
Battery pack housing according to an embodiment of the invention(100), wherein, the heat exchange base board unit(50)Quantity And/or size is according to the cavity(101)Size determine.
Battery pack housing according to an embodiment of the invention(100), wherein, the side plate(3,4,8)Size according to institute State cavity(101)Size determine.
Battery pack housing according to an embodiment of the invention(100), wherein, the cavity(101)Size according to its hold The battery modules received(2)Quantity and/or size determine.
Battery pack housing according to an embodiment of the invention(100), wherein, the heat exchange base board unit(50)It is first-class Road(54)Inner surface on be provided with enhanced heat exchange muscle(55).
Battery pack housing according to an embodiment of the invention(100), wherein, the heat exchange base board unit(50)It is included in phase The adjacent first flow(54)Between the supporting construction muscle that sets(56).
Battery pack housing according to an embodiment of the invention(100), wherein, the heat exchange base board unit(50)Multiple institutes State first flow(54)Abreast arrange the base board unit that exchanged heat described in simultaneously insertion(50).
Battery pack housing according to an embodiment of the invention(100), wherein, the heat exchange base board unit(50)Multiple institutes State first flow(54)Width be configured as it is identical or different;And/or the different heat exchange base board units(50)It is described First flow(54)Width be configured as it is identical or different.
Battery pack housing according to an embodiment of the invention(100), wherein, the heat exchange base board unit(50)On be provided with For the battery modules to be fixedly mounted(2)Module mounting rail(52)With module mounting hole(53).
Battery pack housing according to an embodiment of the invention(100), wherein, the side plate(3,4,8)Including two or so Side plate(4), a front side board(8)With a back side panel(3), two left side plates(4)At least one in set State second flow channel(43), the front side board(8)And back side panel(3)At least one in be provided with the second flow channel(83).
Battery pack housing according to an embodiment of the invention(100), wherein, the left side plate(4)Including described in Battery pack housing(100)Outside protrusion set collision prevention girders(47).
Battery pack housing according to an embodiment of the invention(100), wherein, in the collision prevention girders(47)On be provided with and be used for By the battery pack housing(100)Overall fixed fixing hole(41).
Battery pack housing according to an embodiment of the invention(100), wherein, in the left side plate(4)Second flow channel (43)The direction heat exchange substrate(5)One side on be provided with heat exchange substrate connection groove(45).
Battery pack housing according to an embodiment of the invention(100), wherein, in the front side board(8)And/or back side panel (3)Second flow channel(84)The direction left side plate(4)One side on be provided with second flow channel connector(83).
Battery pack housing according to an embodiment of the invention(100), wherein, in the side plate(3,4,8)At least one Lateral wall on set feed liquor notch(81), the feed liquor notch(81)On intake-outlet structure is installed(9).
Battery pack housing according to an embodiment of the invention(100), wherein, the intake-outlet structure(9)On be provided with The inlet(91), the liquid outlet(92)And liquid dividing plate(93), wherein, the liquid dividing plate(93)Stretch into the side Plate(3,4,8)Second flow channel(43,84)In.
Battery pack housing according to an embodiment of the invention(100), wherein, the side plate(3,4,8)Top be provided with Seal groove for accommodating fluid sealant(82).
Battery pack housing according to an embodiment of the invention(100), wherein, the battery pack housing(100)Also include lid Plate(1), the cover plate(1)Pass through cavity described in the sealant sealing(101).
Battery pack housing according to an embodiment of the invention(100), wherein, the side plate(3,4,8)At least one in It is provided with multiple hollow grooves(44,85)And the hollow groove(44,85)Between reinforcement(46,86).
Battery pack housing according to an embodiment of the invention(100), wherein, the heat exchange base board unit(50)And its first Runner(54)It is integrally formed by Aluminum extrusion, the side plate(3,4,8)It is integrally formed by Aluminum extrusion.
Battery pack housing according to an embodiment of the invention(100), wherein, it is described to be welded as friction rabbling welding or laser Weldering.
Battery pack housing according to an embodiment of the invention(100), wherein, in addition to it is placed in the heat exchange substrate(5)'s The thermal insulation board of lower section(6).
Battery pack housing according to an embodiment of the invention(100), wherein, the second flow channel(43,84)At least one That divides is internally provided with flow damping part.
According to another aspect of the present invention there is provided a kind of battery bag, it includes:
Battery pack housing described in any of the above(100);And
It is fixed on the battery pack housing(100)Cavity(101)One or more of battery modules(2).
In the battery pack housing of the present invention, the first flow and second flow channel difference for forming recuperated cycle passage are integrated In the side plate for being arranged on the heat exchange substrate of monolithic construction and monolithic construction, it is to avoid using the cooling tube and joint of separation, carry The stock utilization of high battery pack housing, reduce its and manufacture processing cost, while good reliability, coolant disclosure risk is small, Reduce the installing space of battery pack housing, reduce its maintenance cost;Also, the scalability of battery pack housing is good, exploitation is different The cost of the battery pack housing of size is low, the cycle is short.
Brief description of the drawings
From described further below with reference to accompanying drawing, it will make the above and other purpose and advantage of the present invention more complete It is clear, wherein, same or analogous key element, which is adopted, to be indicated by the same numeral.
Fig. 1 is the structural representation of the battery pack housing according to one embodiment of the invention.
Fig. 2 is the structural representation of the heat exchange base board unit according to the battery pack housing of one embodiment of the invention.
Fig. 3 is the left plate or the structural representation of right plate of the battery pack housing according to one embodiment of the invention.
Fig. 4 is the structural representation of the front side board of the battery pack housing according to one embodiment of the invention.
Fig. 5 is the structural representation of the intake-outlet of the battery pack housing according to one embodiment of the invention.
Fig. 6 is the schematic diagram of the recuperated cycle passage of the battery pack housing according to one embodiment of the invention.
Embodiment
The present invention is more fully described now with reference to accompanying drawing, shown in the drawings of the exemplary embodiment of the present invention. But, the present invention can be realized according to many different forms, and be not construed as being limited to embodiments set forth here. On the contrary, thesing embodiments are provided so that the disclosure becomes thorough and complete, and the design of the present invention is entirely delivered to this area Technical staff.In accompanying drawing, identical label refers to identical element or part, therefore, will omit description of them.
Herein, the directional terminology such as " on ", " under ", "front", "rear", "left", "right" is shown relative to battery bag in accompanying drawing 1 Orientation residing for example property is defined, also, it is to be understood that these directional terminologies are relative concepts, they are used for phase To description and clarification, rather than the orientation of any embodiment is limited to specific direction or orientation, and each orientation art The corresponding orientation of language can correspondingly change according to the change in the orientation of battery pack housing placement.
Fig. 1 show the structural representation of the battery pack housing according to one embodiment of the invention.This is also show in Fig. 1 Invent the battery bag of an embodiment(Or be electrokinetic cell system)And its expanded view of the battery pack housing 100 used, wherein, The parts such as electrical equipment connection member between battery modules 2 and control detection unit inside not shown battery bag.The battery bag can Using the electrokinetic cell system as electric automobile, it is fixed on electric automobile provides energy for parts such as motors.
Multiple side plates that battery pack housing 100 mainly includes heat exchange substrate 5 and is fixed on heat exchange substrate 5, wherein, Heat exchange substrate 5 and multiple side plates surround to form cavity 101 basically, are used as the quilt of one or more battery module 2 of energy storage component It is fixed in cavity 101, therefore, the shape and size of cavity 101 can be according to quantity, size and dimension of battery modules 2 etc. Factor is determined, for example, can determine specification, size, quantity of battery modules 2 etc. in advance according to vehicle etc., so as to It is determined that needing the size of cavity 101 formed.
As shown in figure 1, heat exchange substrate 5 can as battery modules 2 load bearing component, in its opposite side, cover plate can be set 1(Such as case top lid)Carry out closed cavity 101.Cover plate 1 can use preferable Heat Conduction Material(Such as aluminium)Integrated punching into Type, in molding process, while forming reinforcement 11 as shown in Figure 1, installing side 12 and mounting hole 13 etc..
As shown in figure 1, in one embodiment, the substantially square block of cavity 101 forms the side plate of cavity 101 for surrounding Mainly include left plate, right plate, front side board 8 and back side panel 3, wherein, left plate and right plate have in the side of having fully up Symmetrical structure, therefore, is all noted as 4, namely left side plate 4.Specifically, battery pack housing 100 also include thermal insulation board 6, Closure plate 7 and the intake-outlet structure 9 being arranged on front side board 8.Wherein, thermal insulation board 6 is placed in the lower section of heat exchange substrate 5, is used for Isolate the heat transfer of battery pack housing 100 into the miscellaneous part of electric automobile or the external world.
As shown in figure 1,1 back side panel 3,2 left side plates 4,1 front side board 8, heat exchange substrate 5,1 thermal insulation board 6th, 1 intake-outlet structure 9 and multiple closure plates 7 constitute the battery lower house of battery pack housing 100 substantially, can between them To be fixedly connected using welding methods such as agitating friction weldering or laser weldings.Cover plate 1 is constituted on the battery of battery pack housing 100 Housing, its mounting means will be illustrated hereinafter.
Each critical piece of the battery pack housing 100 of the embodiment of the present invention is further illustrated below in conjunction with Fig. 2 to Fig. 6.
Fig. 2 show one of heat exchange base board unit 50 of heat exchange substrate 5.Heat exchange substrate 5 can pass through one or many Individual heat exchange base board unit 50 assembling is formed, and the quantity and/or size of the base board unit 50 that exchanges heat surround formation according to heat exchange substrate 5 Cavity 101 size determine.Each heat exchange base board unit 50 is monolithic construction and is provided with multiple first flows 54, it is specific as shown in Fig. 2 each heat exchange base board unit 50 has heat-transfer surface 51, pacified for the module of battery modules 2 to be fixedly mounted Fill beam 52 and module mounting hole 53 and first flow 54, enhanced heat exchange muscle 55, supporting construction muscle 56.
Wherein, heat-transfer surface 51 is contacted by Heat Conduction Material with the bottom of battery modules 2, is exchanged heat with battery modules 2, so that right It is heated or cooled, and the enhanced heat exchange muscle 55 on the inner surface of first flow 54 can strengthen heat-transfer surface 51 and battery modules Efficiency is heated or cooled in heat exchange between 2, raising;Battery modules 2 are fixed on the module mounting rail of the heat exchange substrate 5 of bottom On 52, specifically for example it is locked to by bolt on module mounting hole 53, so that battery modules 2 be locked, so, exchange heat substrate 5 serve not only as the carrying fixed structure piece of battery modules 2, and with heat exchange function.
In one embodiment, heat exchange base board unit 50 can use but be not limited to aluminium etc. and is integrally formed by extruding, its Not only there is intensity, and thermal conductivity is good higher, process also simple, stock utilization is high, cost is low.It is integrally formed in extruding During, heat-transfer surface 51, module mounting rail 52, first flow 54, enhanced heat exchange muscle 55, support can be formed with together simultaneously Structure muscle 56 etc..Wherein, multiple first flows 54 for example can abreast arrange and insertion heat exchange base board unit 50 that it, which is occupied, changes The significant area of hot radical Slab element 50, therefore, not only heat exchange efficiency is high, and stock utilization is high, adjacent first flow 54 Between supporting construction muscle 56 is set.Quantity, concrete arrangement of first flow 54 etc. are not restricted, it is to be understood that be, Multiple heat exchange base board units 50 when assembling forms heat exchange substrate 5, multiple first flows 54 of multiple heat exchange base board units 50 it Between can correspondingly dock to be formed heat exchange substrate 5 inside runner.
In one embodiment, the left side plate 4 of battery pack housing 100 is left as shown in figure 3, it is left plate or right plate Right plate 4 be monolithic construction and its at least one in be provided with second flow channel 43.In one embodiment, left side plate 4 has There are horizontal component and the vertical component as side wall, its substantially inverted T-shape structure.
In one embodiment, second flow channel 43 is provided with the horizontal component of left side plate 4, and in second flow channel 43 Heat exchange substrate connection groove 45 is provided with towards the one side of heat exchange substrate 5, the symmetrical each setting one of left side plate 4 passes through Heat exchange substrate connection groove 45 connects heat exchange substrate 5, so that the second flow channel 43 in left side plate 4 and the in heat exchange substrate 5 One runner 54 can be connected, and can be collectively used to form recuperated cycle passage 10 as shown in Figure 6.
In one embodiment, the horizontal component of left side plate 4 is included towards preventing that the outside protrusion of battery pack housing is set Beam 47 is hit, in collision prevention girders 47, some fixing holes 41 can be set, fixing hole 41 is used for battery pack housing 100 and vehicle is real Now install and fix.Therefore, collision prevention girders 47 can play a part of overall fixed support battery bag and anticollision.
Continue as shown in figure 3, in one embodiment, the top of the vertical component of left side plate 4, seal groove 42 is set, Fluid sealant can be painted into seal groove 42 before cover plate 1 is installed, realize the sealing of battery upper shell and battery lower house.To realize Some hollow grooves 44 can be set in overall light structure, the collision prevention girders 47 of the horizontal component of left side plate 4 and in vertical component, Reinforcement 46 can be set to ensure the structural strength of left side plate 4 between hollow groove 44.
Left side plate 4 shown in Fig. 3 can use but be not limited to aluminium etc. and is integrally formed by extruding, and it not only has Intensity, and processing is simple higher, stock utilization is high, cost is low.During extruding is integrally formed, shown in Fig. 3 Collision prevention girders 47, hollow groove 44, second flow channel 43 and seal groove 42 etc. can be formed simultaneously, must so as to form monolithic construction , can be by formation mounting hole 41 such as machining mode etc. when wanting, whole preparation process is simple.
It is to be appreciated that the size of left side plate 4 can be determined according to the size of cavity 101.In its process, After extruding is integrally formed, it can be formed according to size to cut, even if the size of the cavity 101 of battery pack housing 100 occurs Change, it is not necessary to which die sinking, which is formed, in addition is used to extrude integrally formed mould, and size is adjusted during cutting.Similarly, for Exchanged heat base board unit 50, and it can also be formed after extruding is integrally formed according to size to cut, even if battery pack housing 100 The size of cavity 101 changes, it is not necessary to which die sinking, which is formed, in addition is used to extrude integrally formed mould, and size is adjusted during cutting .Therefore, the scalability of battery pack housing 100 is good, can substantially reduce the various sizes of battery pack housing 100 of exploitation Cost and cycle.
In one embodiment, the structure of the front side board 8 of battery pack housing 100 is as shown in figure 4, front side board 8 is monoblock type knot Structure and its at least one in be provided with second flow channel 84.Also comprising lead channel mouthful 81, seal groove 82, second in front side board 8 Road connector 83, hollow groove 85 and reinforcement 86;Wherein, set in the one side towards left plate and right plate of second flow channel 84 Put second flow channel connector 83, the second flow channel 84 of front side board 8 passes through second flow channel connector 83 and left plate or right plate Second flow channel 43 is connected and sealed, and recuperated cycle passage 10 as shown in Figure 6 is formed so as to be collectively used to;Seal groove 82 The top of front side board 8 can be arranged on, fluid sealant can be painted into seal groove 82 before cover plate 1 is installed, realize battery upper casing The sealing of body and battery lower house;To realize in overall light structure, front side board 8, some hollow grooves 85, hollow groove 85 can be set Between reinforcement 86 can be set to ensure the structural strength of front side board 8, therefore, front side board 8 have higher intensity, can be simultaneously Take into account the function of structure and circulation coolant.
Continue as shown in figure 4, feed liquor notch 81 can be arranged on the lateral wall of front side board 8, it is used to install such as Fig. 5 institutes The intake-outlet structure 9 shown.
Front side board 8 shown in Fig. 4 can use but be not limited to aluminium etc. by extruding be integrally formed, its not only have compared with Highland intensity, and processing is simple, and stock utilization is high, cost is low.It is close shown in Fig. 4 during extruding is integrally formed Sealing groove 82, second flow channel connector 83, hollow groove 85 and reinforcement 86 etc. can be formed simultaneously, so that monolithic construction is formed, Whole preparation process is simple.
It should be noted that back side panel 3 can be essentially identical with the structure of front side board 8, and it is integrally formed also by extruding. When inlet and liquid outlet are arranged on front side board 8, feed liquor notch 81 can be not provided with the lateral wall of back side panel 3. In other embodiment, can also according to the endless form of recuperated cycle passage 10, be respectively provided with front side board 8 and back side panel 3 into Liquid bath mouthful 81, or enter to set feed liquor notch 81 on back side panel 3.Second flow channel can be not provided with the lateral wall of back side panel 3 Second flow channel 84 in connector 83, back side panel 3 is not involved in forming recuperated cycle passage 10 as shown in Figure 6.
It is to be appreciated that the size of back side panel 3 and front side board 8 can be determined according to the size of cavity 101.In its processing During, after extruding is integrally formed, it can be formed according to size to cut, even if the cavity 101 of battery pack housing 100 is big It is small to change, it is not necessary to which that die sinking, which is formed, in addition is used to extrude integrally formed mould, and size is adjusted during cutting.
In one embodiment, intake-outlet structure 9 is specially as shown in figure 5, it includes inlet 91, liquid outlet 92, liquid Body dividing plate 93 and installation notch 94;When being installed into outlet structure 9, installation notch 94 are sealingly engaged with feed liquor notch 81, liquid Body dividing plate 93 stretches into second flow channel 84 and to be substantially isolated the left-right parts of second flow channel 84 so that liquid by inlet 91, Flowed in recuperated cycle passage 10 of the liquid outlet 92 in battery pack housing 100.
Illustrate specific embodiment exemplified by 8 battery modules 2 as shown in Figure 1 are specifically accommodated by cavity 101, to be formed The cavity 101 of corresponding size, heat exchange substrate 5 is formed using such as 8 pieces heat exchange assemblings of base board units 50, while using being oppositely arranged Two pieces of left side plates 4, the 1 piece of front side board 8 and 1 piece of back side panel 3 that are oppositely arranged, connect in the corner of front side board 8 and left side plate 4 Connect place or the corner junction of back side panel 3 and left side plate 4, using polylith closure plate 7, between them by agitating friction weldering or The modes such as Laser Welding are attached sealing, so that battery lower house is formed, and encirclement forms cavity 101 substantially.In addition, under battery Housing is bolted or gemel connection mode is fixed on thermal insulation board 6, and thermal insulation board 6 plays the heat-blocking action of battery bag, is reduced Battery bag and extraneous heat exchange.
It should be noted that each heat exchange base board unit 50 of heat exchange substrate 5 can be integrally formed by Aluminum extrusion, have The characteristics of having high-strength structure and lightweight, Inner extrusion is formed with first flow 54, therefore, and heat exchange substrate 5 is overall to play solid Surely while the effect of support battery modules 2, moreover it is possible to battery modules 2 are heated or cooled, realize that heat exchange is acted on.
Left plate or right plate 4 in this example, front side board 8 are aluminium extruded section, special with high-strength structure and lightweight Point, Inner extrusion has the runner circulated for coolant, saves individually arrangement cooling pipe expense and avoids cooling pipe from rupturing Etc. the security risk problem brought, reliability is greatly enhanced;Collision prevention girders 47 play simultaneously fixed support battery pack system and Anticollision is acted on.
In this embodiment, left plate or right plate 4, front side board 8 and back side panel 3 are squeezed out close respectively by fashion of extrusion Sealing groove 42,82 and 31, by being welded to connect between side plate, can form the seal groove of connection, facilitate cover plate 1 and battery lower casing Sealing between body.
In this embodiment, each plate of battery lower house is attached by agitating friction weldering or laser welding, is realized The sealing structure of high intensity and connection, and form sealed recuperated cycle passage 10.As shown in fig. 6, in recuperated cycle passage 10, It can use water or other fluid as coolant, and as shown by the arrows in Figure 6, specifically, coolant is by entering for the flow direction of coolant Liquid mouthful 91 enters in battery pack housing 100, and the second flow channel 43 in the left side plate 4 of side carries out assignment of traffic, Ran Houliu To the first flow 54 in heat exchange substrate 5, the coolant flowed in first flow 54 mainly can exchange heat with battery modules 2, Being heated or cooled to battery modules 2 is for example realized, is then confluxed by the second flow channel 43 in the left side plate 4 of opposite side, In the second flow channel 84 for flowing further to front side board 8, flowed out by liquid outlet 92.
Further combined with shown in Fig. 6, two left side plates 4, front side board 8, back side panel 3, liquid dividing plate 93 and heat exchange substrate 5 Coolant circulation border is collectively formed, coolant enters the second flow channel 84 of front side board 8 from inlet 91, then into side The second flow channel 43 of left side plate 4, fluid is split in second flow channel 43, respectively enters various heat exchange base board unit 50 not It is heated or cooled with first flow 54, and to some battery modules 2 being installed on above heat exchange substrate 5, coolant exists The second flow channel 43 of the left side plate 4 of opposite side is collected, and flows into the second flow channel 84 of front side board 8, is flowed out by liquid outlet 92, real Existing coolant circulation.Coolant does not stop circulatory flow in recuperated cycle passage 10, and battery can be constantly heated or cooled Battery modules 2 in bag.
It can be seen that, the formation of recuperated cycle passage 10 is not rely on single cooling tube, it is not required that in battery bag The inside of housing 100 sets joint, is prevented effectively from using cooling tube and joint, substantially reduces coolant disclosure risk, also reduces electricity The cost of pond pack housing 100;Reduce the installing space of battery pack housing 100, the risk of recuperated cycle passage 10 it is small without Or reduce maintenance, the maintenance cost of reduction battery pack housing 100.
It should be noted that second flow channel 43 mainly serves with second flow channel 84 connects different first flows 54, from And recuperated cycle passage 10 is collectively form, still, the fluid of runner also partly has in second flow channel 43 and second flow channel 84 There is heat exchange function, due to its small volume, be not intended as the main body of heat exchange.
It should be noted that the recuperated cycle passage 10 in battery pack housing 100 is substantially in " u "-shaped as shown in Figure 6, In other embodiment, by arranging first flow 43, second flow channel 43, second flow channel 84 etc., it may be such that in battery pack housing 100 Recuperated cycle passage 10 substantially be in " Z " or " S " type.
In one embodiment, corresponding flow damping structure is added according to demand in the second flow channel 43 in left side plate 4 Or flow damping part, while the different first flows 54 and/or various heat exchange substrate list of heat exchange base board unit 50 can be adjusted The width of the different first flows 54 of member 50, to realize the overall flow distribution function in battery pack housing 100, can meet electricity Heat exchange demand when pond module 2 extends.
In one embodiment, expansible heat exchange substrate 5 can be connected and composed by multiple heat exchange base board units 5 according to demand, Corresponding left side plate 4, front side board 8, the equal length of back side panel 3 also change;As needed, left side plate 4, front side board 8, rear side Quantity, the sectional dimension of the second flow channel of plate 3 specifically can set to meet different demands.
Even if it should be noted that the size of the cavity 101 of battery pack housing 100 changes, it is not necessary to mold in addition Formed for extruding integrally formed mould, adjustment heat exchange base board unit 50, the size of side plate during cutting.Therefore, this hair The scalability of the battery pack housing 100 of bright embodiment is good, should not in addition develop for extruding integrally formed mould etc., reduce Develop cost and the cycle of the battery pack housing 100 of different sizes or model.
It should be noted that the overall weight of the battery pack housing 100 of the embodiment of the present invention is light, therefore, based on its formation Battery bag weight it is also light, its application electric automobile in when, be advantageously implemented the lightweight requirements of electric automobile.
Example above primarily illustrates the battery pack housing and battery bag of the present invention.Although only to some of present invention's Embodiment is described, but those of ordinary skill in the art it is to be appreciated that the present invention can without departing from its spirit with In the range of implement in many other form.Therefore, the example shown is considered as schematical and unrestricted with embodiment Property, in the case where not departing from the spirit and scope of the present invention as defined in appended claims, the present invention may cover Various modifications and replacement.

Claims (10)

1. a kind of battery pack housing with heat exchange function(100), including heat exchange substrate(5)And it is fixed on the heat exchange substrate (5)On multiple side plates(3,4,8), wherein, the heat exchange substrate(5)With multiple side plates(3,4,8)Surround to be formed basically and use In receiving and fixed one or more battery module(2)Cavity(101);Characterized in that,
The heat exchange substrate(5)Pass through one or more heat exchange base board units(50)Assembling is formed, each heat exchange substrate list Member(50)For monolithic construction and it is provided with multiple first flows(54);
The side plate(3,4,8)For monolithic construction and its at least one in be provided with second flow channel(43,84);
By being welded to connect the side plate(3,4,8)With the heat exchange substrate(5)One or more heat exchange base board units(50) So that making the first flow(54)With multiple second flow channels(43,84)It is collectively form recuperated cycle passage(10), Wherein, the recuperated cycle passage(10)Inlet(91)And liquid outlet(91)It is arranged in and is provided with the second flow channel(43, 84)At least one side plate(3,4,8)On.
2. battery pack housing as claimed in claim 1(100), it is characterised in that the heat exchange base board unit(50)And its One runner(54)It is integrally formed by extruding, the side plate(3,4,8)It is integrally formed by extruding.
3. battery pack housing as claimed in claim 2(100), it is characterised in that by cutting shape after extruding is integrally formed Into suitable for the cavity(101)Size corresponding size the heat exchange base board unit(50)With the side plate(3,4,8).
4. battery pack housing as claimed in claim 1(100), it is characterised in that the heat exchange base board unit(50)Quantity And/or size is according to the cavity(101)Size determine.
5. battery pack housing as claimed in claim 1(100), it is characterised in that the side plate(3,4,8)Size according to institute State cavity(101)Size determine.
6. the battery pack housing as described in claim 3 or 4 or 5(100), it is characterised in that the cavity(101)Big rootlet According to the battery modules of its receiving(2)Quantity and/or size determine.
7. battery pack housing as claimed in claim 1(100), it is characterised in that the heat exchange base board unit(50)First Runner(54)Inner surface on be provided with enhanced heat exchange muscle(55).
8. battery pack housing as claimed in claim 1(100), it is characterised in that the heat exchange base board unit(50)It is included in The adjacent first flow(54)Between the supporting construction muscle that sets(56).
9. battery pack housing as claimed in claim 1(100), it is characterised in that the heat exchange base board unit(50)It is multiple The first flow(54)Abreast arrange the base board unit that exchanged heat described in simultaneously insertion(50).
10. a kind of battery bag, it is characterised in that including:
Battery pack housing as described in any in claim 1 to 9(100);And
It is fixed on the battery pack housing(100)Cavity(101)One or more of battery modules(2).
CN201710711839.XA 2017-08-18 2017-08-18 Battery pack housing and battery bag with heat exchange function Pending CN107331920A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201710711839.XA CN107331920A (en) 2017-08-18 2017-08-18 Battery pack housing and battery bag with heat exchange function
PCT/CN2018/100745 WO2019034097A1 (en) 2017-08-18 2018-08-16 Battery pack housing having heat exchange function, and battery pack
TW107128891A TWI758528B (en) 2017-08-18 2018-08-17 Battery pack case and battery pack with heat exchange function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710711839.XA CN107331920A (en) 2017-08-18 2017-08-18 Battery pack housing and battery bag with heat exchange function

Publications (1)

Publication Number Publication Date
CN107331920A true CN107331920A (en) 2017-11-07

Family

ID=60228002

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710711839.XA Pending CN107331920A (en) 2017-08-18 2017-08-18 Battery pack housing and battery bag with heat exchange function

Country Status (3)

Country Link
CN (1) CN107331920A (en)
TW (1) TWI758528B (en)
WO (1) WO2019034097A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107946695A (en) * 2017-12-25 2018-04-20 北京国能电池科技有限公司 Battery pack cold water harden structure
CN107959088A (en) * 2017-11-30 2018-04-24 北京长城华冠汽车科技股份有限公司 Heat exchanger fin connection structure and battery pack
CN109004316A (en) * 2018-08-09 2018-12-14 华霆(合肥)动力技术有限公司 Structure of controlling temperature and battery modules
WO2019034097A1 (en) * 2017-08-18 2019-02-21 上海蔚来汽车有限公司 Battery pack housing having heat exchange function, and battery pack
CN111211262A (en) * 2018-11-21 2020-05-29 郑州深澜动力科技有限公司 Battery box and box body thereof
CN111584780A (en) * 2020-04-30 2020-08-25 东风汽车集团有限公司 Protection plate and long module cutting method
CN111933846A (en) * 2020-07-28 2020-11-13 东风汽车集团有限公司 Battery pack box body of integrated liquid cooling system and electric vehicle
CN115791244A (en) * 2023-02-06 2023-03-14 中国核动力研究设计院 Modular microchannel compact heat exchange experiment body, method, equipment and medium

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110299579A (en) * 2019-07-31 2019-10-01 上海马勒热系统有限公司 Two layers of board-like battery cooling plate
CN110581302A (en) * 2019-10-17 2019-12-17 北京普莱德新能源电池科技有限公司 Battery module and electric device
CN111540979A (en) * 2020-05-08 2020-08-14 上海加冷松芝汽车空调股份有限公司 Water-cooled centralized battery heat management device based on new energy charging pile
CN113937383B (en) * 2020-06-29 2023-10-13 比亚迪股份有限公司 Battery module, battery pack and vehicle
TWI783323B (en) * 2020-12-14 2022-11-11 國家中山科學研究院 Liquid Cooled Battery Module
CN113053706A (en) * 2021-03-19 2021-06-29 安徽华东光电技术研究所有限公司 Convolution tube hot wire and manufacturing method thereof
CN113611972B (en) * 2021-08-05 2023-03-14 福建飞毛腿动力科技有限公司 High-efficient low-cost encapsulating casing that battery was used
CN114069143B (en) * 2021-11-19 2024-02-09 重庆仟和镁业科技有限公司 Magnesium alloy battery box for medium and large-sized vehicles and manufacturing method thereof
CN114646185B (en) * 2022-02-17 2023-09-12 贵州乌江水电开发有限责任公司 Water turbine protection device based on rapid cooling
CN114843673B (en) * 2022-04-08 2023-04-28 苏州市华盛源机电有限公司 Processing method of upper shell of lightweight electric automobile battery pack

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011181224A (en) * 2010-02-26 2011-09-15 Sanyo Electric Co Ltd Battery cooling/heating structure and battery module
WO2011149234A2 (en) * 2010-05-27 2011-12-01 주식회사 코캄 Battery pack and assembly for an electric vehicle, and a temperature control system using the same
CN104137294A (en) * 2011-12-21 2014-11-05 阿勒沃研究股份公司 Battery module having a battery module housing and battery cells
JP2015046321A (en) * 2013-08-28 2015-03-12 株式会社デンソー Battery cooling device
CN204614833U (en) * 2015-05-11 2015-09-02 宁德时代新能源科技有限公司 Battery modules and electrokinetic cell system
CN205355205U (en) * 2016-03-02 2016-06-29 宁德时代新能源科技股份有限公司 Battery module
CN106025103A (en) * 2016-05-20 2016-10-12 宁德时代新能源科技股份有限公司 Battery box body assembly and battery box comprising same
CN106099242A (en) * 2016-07-04 2016-11-09 蔚来汽车有限公司 Battery cooling heat exchanger
CN205882121U (en) * 2016-07-28 2017-01-11 深圳市沃特玛电池有限公司 Heating fluid cold drawing of battery module
CN106450076A (en) * 2015-08-10 2017-02-22 福特全球技术公司 Battery pack enclosure including integrated fluid channel
CN106450568A (en) * 2016-10-09 2017-02-22 浙江吉利控股集团有限公司 Thermal management system for power battery pack
CN206040780U (en) * 2016-10-12 2017-03-22 宁德时代新能源科技股份有限公司 Battery box
WO2017104383A1 (en) * 2015-12-18 2017-06-22 株式会社豊田自動織機 Battery pack
CN106935756A (en) * 2017-03-30 2017-07-07 天津市捷威动力工业有限公司 A kind of cold-hot integrated body structure
CN106935927A (en) * 2015-10-07 2017-07-07 三星Sdi株式会社 Battery module and the vehicle including it
CN207852855U (en) * 2017-08-18 2018-09-11 上海蔚来汽车有限公司 Battery pack housing with heat exchange function and battery pack

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3070780B1 (en) * 2015-03-16 2017-09-27 Samsung SDI Co., Ltd. Battery cooling body
CN107331920A (en) * 2017-08-18 2017-11-07 上海蔚来汽车有限公司 Battery pack housing and battery bag with heat exchange function

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011181224A (en) * 2010-02-26 2011-09-15 Sanyo Electric Co Ltd Battery cooling/heating structure and battery module
WO2011149234A2 (en) * 2010-05-27 2011-12-01 주식회사 코캄 Battery pack and assembly for an electric vehicle, and a temperature control system using the same
CN104137294A (en) * 2011-12-21 2014-11-05 阿勒沃研究股份公司 Battery module having a battery module housing and battery cells
JP2015046321A (en) * 2013-08-28 2015-03-12 株式会社デンソー Battery cooling device
CN204614833U (en) * 2015-05-11 2015-09-02 宁德时代新能源科技有限公司 Battery modules and electrokinetic cell system
CN106450076A (en) * 2015-08-10 2017-02-22 福特全球技术公司 Battery pack enclosure including integrated fluid channel
CN106935927A (en) * 2015-10-07 2017-07-07 三星Sdi株式会社 Battery module and the vehicle including it
WO2017104383A1 (en) * 2015-12-18 2017-06-22 株式会社豊田自動織機 Battery pack
CN205355205U (en) * 2016-03-02 2016-06-29 宁德时代新能源科技股份有限公司 Battery module
CN106025103A (en) * 2016-05-20 2016-10-12 宁德时代新能源科技股份有限公司 Battery box body assembly and battery box comprising same
CN106099242A (en) * 2016-07-04 2016-11-09 蔚来汽车有限公司 Battery cooling heat exchanger
CN205882121U (en) * 2016-07-28 2017-01-11 深圳市沃特玛电池有限公司 Heating fluid cold drawing of battery module
CN106450568A (en) * 2016-10-09 2017-02-22 浙江吉利控股集团有限公司 Thermal management system for power battery pack
CN206040780U (en) * 2016-10-12 2017-03-22 宁德时代新能源科技股份有限公司 Battery box
CN106935756A (en) * 2017-03-30 2017-07-07 天津市捷威动力工业有限公司 A kind of cold-hot integrated body structure
CN207852855U (en) * 2017-08-18 2018-09-11 上海蔚来汽车有限公司 Battery pack housing with heat exchange function and battery pack

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019034097A1 (en) * 2017-08-18 2019-02-21 上海蔚来汽车有限公司 Battery pack housing having heat exchange function, and battery pack
CN107959088A (en) * 2017-11-30 2018-04-24 北京长城华冠汽车科技股份有限公司 Heat exchanger fin connection structure and battery pack
CN107959088B (en) * 2017-11-30 2024-01-26 北京长城华冠汽车科技股份有限公司 Heat exchange plate connecting structure and battery pack
CN107946695A (en) * 2017-12-25 2018-04-20 北京国能电池科技有限公司 Battery pack cold water harden structure
CN109004316A (en) * 2018-08-09 2018-12-14 华霆(合肥)动力技术有限公司 Structure of controlling temperature and battery modules
CN111211262A (en) * 2018-11-21 2020-05-29 郑州深澜动力科技有限公司 Battery box and box body thereof
CN111584780A (en) * 2020-04-30 2020-08-25 东风汽车集团有限公司 Protection plate and long module cutting method
CN111584780B (en) * 2020-04-30 2021-03-23 东风汽车集团有限公司 Protection plate and long module cutting method
CN111933846A (en) * 2020-07-28 2020-11-13 东风汽车集团有限公司 Battery pack box body of integrated liquid cooling system and electric vehicle
CN115791244A (en) * 2023-02-06 2023-03-14 中国核动力研究设计院 Modular microchannel compact heat exchange experiment body, method, equipment and medium

Also Published As

Publication number Publication date
WO2019034097A1 (en) 2019-02-21
TWI758528B (en) 2022-03-21
TW201914091A (en) 2019-04-01

Similar Documents

Publication Publication Date Title
CN107331920A (en) Battery pack housing and battery bag with heat exchange function
CN207852855U (en) Battery pack housing with heat exchange function and battery pack
CN101627500B (en) Battery with a heat conducting plate
CN103219558B (en) Temperature of powered cell adjusting means and manufacture method thereof
US20190165437A1 (en) Battery device for an at least partially electrically operated motor vehicle
US8861202B2 (en) Integrated thermal and structural management solution for Rechargeable Energy Storage System assembly
CN207282570U (en) A kind of bilayer power battery structure
CN212848579U (en) New forms of energy electric motor car battery package
CN109411661A (en) Electric vehicle and its battery box body, battery case
KR20200132923A (en) Cooling plate blade for battery module
CN108847509A (en) A kind of cooling structure and battery modules
CN113471607A (en) Battery box body, battery pack and assembly method of battery box body
CN111952508A (en) Battery pack assembly based on integrated battery pack box body
CN207474522U (en) A kind of integrated water-cooling housing of power cell
CN111048708A (en) Lower box body of battery box
CN209880757U (en) Square battery water-cooling module for electric automobile
CN103712507A (en) Heat exchanger
CN111276656B (en) Battery pack lower box assembly integrated with efficient thermal management system
EP3654443B1 (en) Casing for battery pack and battery pack
CN218525664U (en) Battery pack with two layers of module units and electric device comprising battery pack
CN207425959U (en) A kind of battery pack housing and its internal mounting assembly
CN207098003U (en) A kind of battery bag
CN212648368U (en) Battery pack assembly based on integrated battery pack box body
CN111430608B (en) Battery pack and vehicle with same
CN107919511A (en) A kind of liquid cooling system heat-exchange device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Ge Zengfang

Inventor after: Fang Jie

Inventor after: Gong Xiao

Inventor after: Zhao Wenpeng

Inventor after: Wang Quanming

Inventor after: Jiang Yaping

Inventor before: Ge Zengfang

Inventor before: Fang Jie

Inventor before: Gong Xiao

Inventor before: Zhao Wenpeng

Inventor before: Wang Quanming

Inventor before: Jiang Yaping