CN107331920A - Battery pack housing and battery bag with heat exchange function - Google Patents
Battery pack housing and battery bag with heat exchange function Download PDFInfo
- 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
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- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/271—Lids or covers for the racks or secondary casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; 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
- H01M50/24—Mountings; 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
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
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）.
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) |
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| WO2024109659A1 (en) * | 2022-11-24 | 2024-05-30 | 宁德时代新能源科技股份有限公司 | Thermal management component, battery, and electrical device |
| 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 |
| TW201914091A (en) | 2019-04-01 |
| TWI758528B (en) | 2022-03-21 |
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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 |