CN106784496A - Battery module - Google Patents
Battery module Download PDFInfo
- Publication number
- CN106784496A CN106784496A CN201710061258.6A CN201710061258A CN106784496A CN 106784496 A CN106784496 A CN 106784496A CN 201710061258 A CN201710061258 A CN 201710061258A CN 106784496 A CN106784496 A CN 106784496A
- Authority
- CN
- China
- Prior art keywords
- battery
- battery module
- housing
- projection
- air flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- H01M50/204—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
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
-
- 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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
-
- 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
- H01M10/6561—Gases
-
- 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
- H01M10/6561—Gases
- H01M10/6562—Gases with free flow by convection only
-
- 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
Abstract
The present invention discloses a kind of battery module, and it includes multiple batteries, two housings and two electrode slices.The two ends of battery are individually fixed in housing, and each housing includes multiple projections, and have multiple air flow channels between projection.Electrode slice is respectively arranged between the two ends of battery and housing.
Description
Technical field
The present invention relates to a kind of battery module.
Background technology
Battery module is generally connected by substantial amounts of battery or parallel combination is formed.However, battery is in charge and discharge process, it is past
Toward that can produce substantial amounts of heat energy, if heat energy can not effectively disperse, the temperature of battery will rise, so as to change the electricity of battery
Characteristic.For battery module, if excessive temperature differentials or operating temperature between each battery are too high, battery can be caused
The power supply efficiency reduction of module, whole service life shorten, thereby increases and it is possible to cause the risk of spontaneous combustion.
Therefore, how to lift the radiating efficiency of battery module and do not increase excessive production cost and heat-dissipating space, become
It is an important problem.
The content of the invention
In order to solve the above problems, one embodiment of the present invention is easy to be mutually clamped fixation there is provided one kind, and ensures
The battery module for effectively radiating, it includes the multiple batteries with relative two ends, two housings and two electrode slices.The two of battery
End is individually fixed in housing, and each housing includes multiple projections, and has multiple first air flow channels between projection.Electrode slice
It is respectively arranged between the two ends of battery and housing.
In one or more embodiments of the invention, projection is to be protruded along the line direction at the two ends of battery.
In one or more embodiments of the invention, projection is arranged in array, and the first air flow channel is arranged along two different directions
Row.
In one or more embodiments of the invention, projection can be hollow-core construction, and each projection has two openings, opening surface
Opposite ground is set, to define multiple second air flow channels by projection.
In one or more embodiments of the invention, radiating module also comprising multiple heat dissipation elements, is respectively arranged at electrode
Between piece and housing, a part for heat dissipation element is located in the second air flow channel.
In one or more embodiments of the invention, each heat dissipation element has radiating fin, and the second air flow channel passes through
Gap between radiating fin.
In one or more embodiments of the invention, electrode slice has first connecting portion and second connecting portion, and the respectively
One connecting portion not with second connecting portion copline.
In one or more embodiments of the invention, housing includes multiple clamping parts to clamp battery, and electrode slice has many
Individual through hole, clamping part passes through through hole.
In one or more embodiments of the invention, the height of clamping part is not more than the half of the height of battery.
In one or more embodiments of the invention, battery module also includes the cooling base being arranged between electrode slice,
Cooling base includes multiple accommodation spaces, and battery is located in accommodation space respectively, and is contacted with cooling base.
In one or more embodiments of the invention, cooling base includes an at least protuberance, and protuberance protrudes from battery
Outer rim.
From the above, it is that projection is provided with housing via battery module in one or more embodiments of the invention, with shape
Can have opening to form the design of the second air flow channel into the first air flow channel, and on projection, by the first air flow channel with
Second air flow channel can lift the heat exchanger effectiveness of electrode slice, and then lift the radiating efficiency of battery module.In addition, electricity
Pond module optionally can in the housing be configured with heat dissipation element and cooling base housing is provided with projection to form first
After air flow channel, the radiating efficiency of battery module can be substantially improved really, further to lift the radiating efficiency of battery module.
Brief description of the drawings
It is that above and other purpose of the invention, feature, advantage and embodiment can be become apparent, Figure of description
Describe in detail as follows：
Fig. 1 and Fig. 2 its three-dimensional view and explosive view for being respectively the embodiment of battery module of the present invention.
Fig. 3 is the three-dimensional view of the embodiment of housing one of battery module of the invention.
Fig. 4 is the three-dimensional view of the embodiment of electrode slice one of battery module of the invention.
Fig. 5 A to Fig. 5 F are respectively the schematic diagram of different phase when the embodiment of battery module of the invention is assembled.
Fig. 6 A and Fig. 6 B are respectively the three-dimensional view and side view of the embodiment of application one of battery module of the invention.
Fig. 7 A and Fig. 7 B are respectively the disassembly diagram and side view of another embodiment of battery module of the invention.
Fig. 8 is the disassembly diagram of another embodiment of battery module of the invention.
Fig. 9 A and Fig. 9 B are respectively the top view and profile of an application of the battery module of Fig. 8.
Figure 10 is the disassembly diagram of the another embodiment of battery module of the invention.
The profile that Figure 11 is applied for the battery module one of Figure 10.
Figure 12 is the disassembly diagram of battery module another embodiment of the invention.
The profile that Figure 13 is applied for the battery module one of Figure 12.
Wherein, description of reference numerals is as follows：
100：Battery module
200：Battery
210、220：End
300、300a、300b：Housing
310：Projection
312：Opening
320、320a、320b：Clamping part
330：Holding section
332：Snap fit
334：Draw-in groove
336：Screw hole
400：Electrode slice
402：Part I
404：Part II
410：Through hole
420：First connecting portion
430：Second connecting portion
440：Conductive structure
500：Recess
510：Convex portion
600：Heat dissipation element
610：Radiating fin
700a、700b、700c：Cooling base
710：Accommodation space
720、720a、720b：Protuberance
1000：Array
2000：Cabinet
2002：Bottom surface
2004：Side
2010：Track
2012：Baffle plate
2014：Wing plate
2020：Radiating opening
P1：First air flow channel
P2：Second air flow channel
X、Y、Z：Direction
Specific embodiment
Hereinafter spirit of the invention, technical staff in any art will clearly be illustrated with accompanying drawing and detailed description
After presently preferred embodiments of the present invention is understood, when can be changed and modified by the technology that be enlightened of the present invention, its without departing from
Spirit and scope of the invention.
Reference picture 1 and Fig. 2, its three-dimensional view and explosive view for being respectively the embodiment of battery module of the present invention.Battery mould
Block 100 includes multiple batteries 200, the electrode slice 400 of two housings 300 and two.Battery 200 have relative two ends 210,
220, the two ends 210,220 of battery 200 are respectively the both positive and negative polarity of battery 200.Multiple batteries 200 are arranged in parallel to each other, and
The positive pole of each battery 200 is with negative pole respectively towards identical direction.For example, if one end 210 of this little battery 200
Positive pole is all, then the other end 220 of battery 200 is all negative pole.
Housing 300 is respectively positioned at the both sides of battery 200, and the two ends 210,220 of battery 200 are separately fixed at two housings
In 300.The material of housing 300 can be insulating materials, with electrical isolation battery 200 and external environment.The material of housing 300 can be
Thermoplastic plastic, housing 300 can be fabricated by by way of ejection formation.Housing 300 positioned at the both sides of battery 200 has real
Identical shape in matter, that is, two housings 300 can share a Mold Making and form.If desired for identification two housings 300, such as it is
It is easy to distinguish the positive-negative polarity of battery module 100, then two housings 300 can be made using the material of different colours, logical
Cross the difference of color and separate two housings 300.
Two electrode slices 400 are located between the two ends 210,220 of battery 200 and housing 300 respectively, and 400 points of electrode slice
Not Jie Chu battery 200 two ends 210,220.The material of electrode slice 400 is that resistance is low and material of high-termal conductivity, such as metal.Electricity
Pole piece 400 can be made by way of punching press bends.Because the positive and negative electrode at the two ends 210,220 of battery 200 is tight respectively
Ground is contacted with electrode slice 400, therefore, electrode slice 400 can be as the common electrode of battery 200, with the positive and negative of battery 200 of confluxing
Pole, and the both positive and negative polarity of battery 200 can be by electrode slice 400 and external connection.
Because battery module 100 can produce substantial amounts of heat, and heat to focus mostly at the two ends of battery 200 in running
210th, at 220 electrode, therefore, the heat energy produced when operating of battery module 100 can be also accumulated on electrode slice 400.If
Heat energy cannot be dissipated in real time, it will so that the operating temperature more and more higher of battery module 100, and then reduce battery 200
Life-span.In order to solve heat dissipation problem, battery module 100 has the design of multiple improving heat radiation efficiencies.
There are multiple projections 310, projection 310 is the line direction along the two ends 210,220 of battery 200 on housing 300
Protrusion, that is, the bearing of trend of projection 310 is to stretch out along the long axis direction of battery 200.Have between projection 310 many
Individual first air flow channel P1, the first air flow channel P1 are continuous air flow channel, i.e. each first air flow channel P1 all from each
One side of individual housing 300 extends to another side.In section Example, projection 310 is shaped as rectangle, and projection 310
Arranged in array, therefore, first air flow channel P1 of the position between projection 310 also with clathrate (or for netted) distribution, i.e.,
First air flow channel P1 is arranged along two different directions, and the first partial air flow channel P1 is orthogonal to the first of another part
Air flow channel P1.In other embodiments, the shape of projection 310 can be rhombus, circular or other shapes, corresponding the
The shape of one air flow channel P1 also can with change, but be still continuous.
The position of electrode slice 400 is disposed adjacent to due to continuous first air flow channel P1, therefore, when air flows through
During one air flow channel P1, heat of the accumulation at electrode slice 400 can be rapidly taken away via heat exchange effect, and then lift electricity
The radiating efficiency of pond module 100.Again because the first air flow channel P1 extends along two different directions, therefore can effectively increase sky
Air-flow through the first air flow channel P1 flow.
Then Fig. 3 is refer to, it is the three-dimensional view of the embodiment of housing one of battery module of the invention.Housing 300
The second air flow channel P2 can be further provided with projection 310, further to strengthen the radiating efficiency of housing 300.For example,
Projection 310 can be hollow-core construction, and the surface of projection 310 is settable one or more openings 312, to allow air via opening 312
Heat exchange is carried out with electrode slice 400 into projection 310, by air draught directly in flowing, Ke Yigeng on electrode slice 400
It is effectively accomplished the purpose of radiating.
In section Example, two openings 312 are all provided with each projection 310, and two openings 312 are located at respectively
On the opposite sides face of projection 310.Opening 312 can be set Face to face, to define the second air flow channel P2 by projection 310.
Opening 312 on each projection 310 can align with the opening 312 in adjacent projections 310 so that the second of adjacent projections 310 is empty
Flow channel P2 is also continuous.In other words, sides of the second air flow channel P2 also from each housing 300 extends to other side.By
In the second air flow channel P2 for continuously and through projection 310, when air flows through the second air flow channel P2, air can be direct
Heat exchange is carried out with the electrode slice 400 in housing 300, further to lift the radiating efficiency of housing 300.
In section Example, the material of housing 300 can be the plastic cement with preferable thermal conductivity factor, for example can be from heat
Heat conduction plastic cement of the coefficient of conductivity more than 2W/m-k allows the battery 200 of the middle section of battery module 100 as the material of housing 300
Also can be radiated by housing 300, and then reduce the temperature difference between battery 200.
Housing 300 includes multiple clamping parts 320, and clamping part 320 is arranged on the inner surface of housing 300, with using clamping
Be fixed on battery 200 in housing 300 by portion 320.Clamping part 320 can be column structure (such as clamping part 320a) or shell fragment is (such as
Clamping part 320b), predetermined spacing is mutually separated between clamping part 320, battery can be fixed on by the institute of clamping part 320 around going out
Space in.
In section Example, the distance that the height of clamping part 320, i.e. clamping part 320 extend from housing 300 is not more than electricity
The half of pond height so that after two housings 300 are mutually clamped, the clamping part 320 in two housings 300 will not contact with each other,
Therefore be not in that the clamped portion 320 in space between battery blocks and causes the low problem of radiating efficiency.In other words, battery
200 are provided with clamping part 320 at two ends, and the center of battery 200 does not contact with clamping part 320, and clamping part 320 and battery
200 two ends are localized contact, can so obtain more thermal convection current area of dissipations.
There are multiple holding sections 330, the height of holding section 330 is more than the height of clamping part 320, respectively on each housing 300
Holding section 330 on individual housing 300 has snap fit 332 and draw-in groove 334, furtherly, the holding section on each housing 300
330 is to form a snap-in structure, such as shown in Fig. 3, accompanying drawing left with the holding section 330 on corresponding each housing 300
A holding section 330 one of on housing 300, be with snap fit 332, it is and corresponding on the housing 300 of accompanying drawing right
Holding section 330, is, with draw-in groove 334, to be sticked in draw-in groove 334 by by corresponding snap fit 332, and then combine two housings 300.
More clearly, the bottom shape of housing 300 is rectangle, and each housing 300 includes two snap fits 332 and two draw-in grooves 334.In
In section Example, it is two diagonal that two snap fits 332 are separately positioned on housing 300, and draw-in groove 334 is then provided in another the two of housing
Diagonally.In other embodiments, two snap fits 332 can be arranged on side long or the short side of housing 300, and two draw-in grooves 334 are then
It is arranged on another side long or another short side.Holding section 330 can more be provided with multiple screw holes 336, when two housings 300 are by card
After conjunction structure is mutually clamped, screw can be locked in screw hole 336 again, with sealed two housings 300.
Reference picture 4, it is the three-dimensional view of the embodiment of electrode slice one of battery module of the invention.Have on electrode slice 400
There are multiple through holes 410, through hole 410 can be made by way of stamped metal sheet material, and through hole 410 may pass through figure
Clamping part 320 in 3.In section Example, shape and the shape of clamping part 320 of through hole 410 are mutually matched so that pass through
Perforation 410 inner edge contacted with clamping part 320, with so as to keeper electrode piece 400 in housing 300.
Electrode slice 400 includes Part I 402 and two Part II 404 from the bending of Part I 402, first
Points 402 substantially perpendicular to battery 200 long axis direction.The area of Part I 402 is passed through more than the area of Part II 404
Perforation 410 is located on Part I 402.In section Example, Part I 402 substantially mutually hangs down with Part II 404
Directly.Electrode slice 400 has 430 points of first connecting portion 420 and second connecting portion 430, first connecting portion 420 and second connecting portion
Wei Yu not Part I 402 and Part II 404.The effect of first connecting portion 420 and second connecting portion 430 is to allow electrode
Piece 400 is contacted with the external world, therefore, first connecting portion 420 and second connecting portion 430 are arranged respectively at Different Plane, such as configure
On orthogonal Part I 402 and Part II 404, it will help the flexibility of lifting battery module distribution.
Referring next to Fig. 5 A to Fig. 5 F, different phase shows when it is respectively the assembling of the embodiment of battery module of the invention
It is intended to.Fig. 5 A are to provide housing 300a, and battery 200 can be by the folder on housing 300a during battery 200 is positioned over into housing 300a
Hold portion 320 (see Fig. 3) clamping and position, in other words, battery 200 is placed in the space between clamping part 320, and battery
200 contact and position with clamping part 320.
During assembled battery 200, battery 200 can be positioned directly among housing 300a, without using extra
Tool self-contained battery 200.In addition, the housing 300a of plastic material directly as insulation material and can protect electricity therein
Pond 200.
Then, Fig. 5 B are welded journey for point of use, and electrode slice 400 is fixed on the side of battery 200 so that battery 200 is same
The electrode at end is all contacted with electrode slice 400, allows electrode slice 400 as the shared positive pole or shared negative pole of battery 200.
After electrode slice 400 is fixed on battery 200, then multiple conductive structures 440 are arranged on the of electrode slice 400
On one connecting portion 420 and second connecting portion 430.In section Example, conductive structure 440 can be nut, and with the side of spot welding
Formula is separately fixed in first connecting portion 420 and second connecting portion 430.
In Fig. 5 C, another housing 300b is installed on the other end of battery 200.Card on two housings 300a, 300b
Structure is closed to be mutually arranged in correspondence with, for example, paired snap fit 332 and draw-in groove 334 can be separately positioned on two housings 300a,
On 300b corresponding position.
Then, flip cover 300a, 300b, and the housing 300a of top is removed, as shown in Figure 5 D, to install another electrode
Piece 400 is in the other end of battery 200.The equally usable spot welding processing procedure of electrode slice 400 is fixed on the opposite side of battery 200 so that
The electrode at the end of battery 200 is all contacted with electrode slice 400, allow electrode slice 400 as battery 200 shared negative pole or share just
Pole.
After electrode slice 400 is fixed on battery 200, then multiple conductive structures 440 are arranged on the of electrode slice 400
On one connecting portion 420 and second connecting portion 430.In section Example, conductive structure 440 can be nut, and with the side of spot welding
Formula is separately fixed in first connecting portion 420 and second connecting portion 430.
Then, as shown in fig. 5e, by the other end in housing 300a lid telegrams in reply pond 200.As previously described, because clamping part 320
(reference picture 3) is not all the side surface for intactly coating battery 200, such one with the localized contact of battery 200, i.e. clamping part 320
Electrode slice 400 can be avoided to be clamped portion 320 split, and then maintain the continuity of electrode slice 400.
Install housing 300a, 300b when, be sticked in draw-in groove 334 by by snap fit 332, just can by two housings 300a,
300b is combined and fixed.Then, then by screw 340 in the screw hole 336 being attached on housing 300, with sealed two housings 300a,
300b, as illustrated in figure 5f.In battery module 100, the conductive structure 440 being connected with electrode slice 400 for expose to housing 300a,
300b, is attached in order to battery module 100 and external circuit.Positioned at the conductive structure of first connecting portion 420 (see Fig. 4)
440 be located at second connecting portion 430 (see Fig. 4) conductive structure 440 distinguish position on the distinct surfaces of housing 300a, 300b,
Such as distinguish top surface and side of the position in housing 300a, 300b, therefore, each electrode slice 400 (see Fig. 4) can be from both direction
(i.e. top surface and side) is electrically connected with, effectively the flexibility of lifting battery module 100 connection.
Reference picture 6A and Fig. 6 B, the three-dimensional view of its embodiment of application one for being respectively battery module of the invention and side-looking
Figure.Multiple battery modules 100 can be connected further to constitute array 1000 in the way of series connection or parallel connection.Such as preceding institute
State, because the two housings 300 in each battery module 100 can be made using the plastic material of different colours respectively, therefore,
Connect battery module 100 when, can easily differentiate the positive-negative polarity of battery module 100, and be convenient for series connection or simultaneously
Connection.
Turn into array 1000 for the ease of splicing battery module 100, have on the housing 300 of battery module 100 many
Individual recess 500 and convex portion 510 (can be referring concurrently to Fig. 5 F), recess 500 are distributed in the side of housing 300 with convex portion 510.Recess
500 is generally in strip with convex portion 510, and recess 500 and convex portion 510 long axis direction parallel to battery 200 major axis side
To.Respectively by being mutually clamped between the recess 500 of adjacent two battery module 100 and convex portion 510, adjacent two can be positioned
Battery module 100.For example, the battery module 100 in the present embodiment is placed across among cabinet 2000, adjacent two electricity
Recess 500 of the pond module 100 on its long axis direction (X-direction i.e. in figure) is mutually matched with convex portion 510, by engaging
Aspectant recess 500 and convex portion 510, just can allow battery module 100 to concatenate along the X direction.In other embodiments,
Battery module 100 can be directly placed among cabinet 2000, or, battery module 100 can be concatenated along the Z direction, herein just not
Repeat again.
In section Example, cabinet 2000 is more optionally provided with track 2010, is used to guide battery module 100 and
Enter cabinet 2000 and to locating batteries module 100.For example, track 2010 is also parallel to the direction arrangement of X-axis, and rail
The distance between road 2010 equal to or slightly larger than battery module 100 height (parallel to the long axis direction of battery 200).Battery
Module 100 can be received slidably among cabinet 2000, and is positioned between track 2010.
Track 2010 can include baffle plate 2012 and the wing plate 2014 stretched out from baffle plate 2012, and wherein baffle plate 2012 is
The bottom surface 2002 of cabinet 2000 is stood on, wing plate 2014 is then parallel to the bottom surface 2002 of cabinet 2000.The height of baffle plate 2012,
I.e. the distance between baffle plate 2012 and bottom surface 2002 are generally equal to the width of projection 310 so that wing plate 2014 is located at first
In air flow channel P1.Consequently, it is possible to baffle plate 2012 just may be used to locating batteries module 100 in the Y direction, and wing plate 2014 then can be
Z-direction locating batteries module 100.
Multiple radiating openings 2020 can be further provided with cabinet 2000, radiating opening 2020 is to be distributed in cabinet
On 2000 bottom surface 2002 and side 2004, to allow air to enter the inside of cabinet 2000 and battery mould from radiating opening 2020
Block 100 carries out heat exchange.In section Example, the trend of radiating opening 2020 is parallel to the first air flow channel P1's of part
Trend, and the meeting of at least part of radiating opening 2020 position is between adjacent projection 310 so that air enters from radiating opening 2020
Enter after cabinet 2000, by the first air flow channel P1, and battery module 100 can be radiated.
From above-described embodiment it is known that battery module can utilize the first air flow channel increase battery mould between projection
The radiating efficiency of block.The housing of battery module can be when assembling directly as the tool of locating batteries, and then saving group
The operation of dress and the cost of equipment.In addition, because electrode slice can be from the top surface of battery module and side and external electrical
Road connects, therefore also improves the flexibility of battery module application.In following examples, will be for how further lifting electricity
The feature of the radiating efficiency of pond module is described, and be will not be described in great detail with previous embodiment identical place.
Reference picture 7A and Fig. 7 B, its disassembly diagram and side view for being respectively another embodiment of battery module of the invention.In
In the present embodiment, battery module 100 also includes multiple heat dissipation elements 600, heat dissipation element 600 be arranged on electrode slice 400 and
Between housing 300.Heat dissipation element 600 can be fixed on electrode slice 400 by heat-conducting glue or scolding tin, and with electrode slice 400
Material contact, the heat that electrode slice 400 is accumulated is dissipated via heat dissipation element 600.
In section Example, heat dissipation element 600 is located at the both sides of the through hole 410 of electrode slice 400, makes through hole 410
Expose between heat dissipation element 600, so that the clamping part on housing 300 can be passed through and run through by between heat dissipation element 600
Hole 410.Heat dissipation element 600 includes multiple radiating fins 610, to increase the area of heat dissipation element 600 and air heat exchange.Dissipate
The material of thermal element 600 is the metal with high-termal conductivity, such as copper or aluminium.After battery module 100 is completed, radiating unit
Part 600 can partly expose to the opening 312 on projection 310, to allow air to enter in housing 300 via opening 312 and radiating
Element 600 carries out heat exchange.
In section Example, the setting of heat dissipation element 600 is to coordinate the projection 310 on housing 300 to set, that is, unit of radiating
, parallel to the long axis direction of projection 310, and radiating fin 610 on heat dissipation element 600 to divide in a cluster for the long axis direction of part 600
Cloth is in hollow projection 310.Line direction of the orientation of radiating fin 610 substantially parallel to opening 312 so that dissipate
Gap between hot fin 610 is also parallel to the trend of the second air flow channel P2 so that the second air flow channel P2 passes through heat radiating fin
Gap between piece 610.
Electrode slice 400 is contacted by setting heat dissipation element 600, the heat that can be accumulated electrode slice 400 is via radiating
Element 600 is dissipated, and because the second air flow channel P2 in housing 300 can be by the gap between radiating fin 610, therefore can
So that the heat exchanger effectiveness of heat dissipation element 600 is significantly increased, and then lift the radiating efficiency of battery module 100.
Reference picture 8, it is the disassembly diagram of another embodiment of battery module of the invention.In the present embodiment, battery module
100 also include cooling base 700a, and cooling base 700a is arranged between housing 300, and battery 200 is positioned at cooling base
In 700a.The material of cooling base 700a can be the metal of high-termal conductivity, and have cooling base 700a by mold design
It is matched with multiple accommodation spaces 710 of the shape of battery 200.In assembled battery module 100, cooling base 700a can be placed
In the housing 300 of lower section, such as position on the holder portion, then battery 200 can be directly placed at the accommodating of cooling base 700a
In space 710, and battery 200 is set to be contacted in large area with cooling base 700a, the radiating effect so as to increasing battery module 100
Rate, and the temperature difference between battery 200 can be reduced.The height of cooling base 700a is less than the height of battery 200, and positioned at housing
Between 300 clamping part, therefore, cooling base 700a will not be contacted with electrode slice 400, and the problem of short circuit can be avoided to occur.Remove
Outside this, in the pinpoint welding procedure that battery 200 is connected with electrode slice 400, cooling base 700a can directly as battery 200
Localization tool, eliminate fabrication steps and reduces cost.
Reference picture 9A and Fig. 9 B, the top view and profile of an application of its battery module for being respectively Fig. 8.Multiple batteries
Module 100 can further connect or be arranged in parallel in cabinet 2000 and turn into array 1000, the row of battery module 100
The details of row is had been described in Fig. 6 A and Fig. 6 B, therefore is repeated no more.After battery module 100 is arranged, cooling base 700a is big
Cooling base 700a in battery module 100 in cause in housing 300 and adjacent will not contact with each other.
Reference picture 10 and Figure 11, wherein Figure 10 are the disassembly diagram of the another embodiment of battery module of the invention, and Figure 11 is figure
The profile of 10 application of battery module one.In the present embodiment, battery module 100 includes cooling base 700b, and radiate base
Seat 700b is that cooling base 700b also includes two protuberances 720 and is located at cooling base with the difference of cooling base 700a
The two ends of 700b, wherein protuberance 720 can protrude from the outer rim of battery 200.Protuberance 720 is located at the short side of battery module 100
On so that when multiple battery modules 100 are joined together to form array 1000, as shown in figure 11, adjacent battery mould
Cooling base 700b in block 100 can be contacted with each other by protuberance 720.In section Example, the protuberance of most both sides
720 can contact with the side 2004 of cabinet 2000, allow cabinet 2000 to also serve as one of heat dissipation path of array 1000, and can
Further to lift the radiating efficiency of array 1000.
Reference picture 12 and Figure 13, wherein Figure 12 are the disassembly diagram of battery module another embodiment of the invention, and Figure 13 is figure
The profile of 12 application of battery module one.In the present embodiment, battery module 100 includes cooling base 700c, and radiate base
Seat 700c is that cooling base 700c includes multiple protuberance 720a, 720b and is located at radiating with the difference of cooling base 700a
The side of pedestal 700c, wherein protuberance 720a, 720b can protrude from the outer rim of battery 200.Protuberance 720a is located at battery mould
On the short side of block 100, protuberance 720b is located on the side long of battery module 100 so that when multiple battery modules 100 are connected to one
Rise when forming array 1000, as shown in figure 13, the cooling base 700c in adjacent battery module 100 can be by protrusion
Portion 720a contacts with each other.In section Example, the protuberance 720a of most both sides can be contacted with the side 2004 of cabinet 2000, and
Protuberance 720b is contacted with the bottom surface 2002 of cabinet 2000, allows cabinet 2000 to also serve as the heat dissipation path of array 1000
One of, and can further lift the radiating efficiency of array 1000.
Reference following table, the comparative example of its array being made up of battery module of the invention and the mould of different embodiments
Draft experiment data.
Comparative example and experimental example one to experimental example six are all three arrays for multiplying eight, in experimental example one and experimental example two
Battery module be battery module as shown in Figure 1, the wherein battery module in experimental example one directly to put, and in experimental example two
Battery module is traverse；Battery module in experimental example three is battery module as shown in Figure 7 A, and battery module is traverse；It is real
The battery module tested in example four is battery module as shown in Figure 8, and battery module is traverse；Battery mould in experimental example five
Block is battery module as shown in Figure 10, and battery module is traverse；Battery module in experimental example six is such as institute in Figure 12
The battery module for showing, and battery module is traverse.Comparative example is then the battery module being similar in Fig. 1, but is not had on housing
There is projection, and battery module is traverse.Maximum temperature (Tmax) is the maximum temperature of the battery module in simulation process, and maximum
The temperature difference (Δ T) is then the maximum temperature difference between battery in simulation process.
From upper table it is known that the radiating effect of battery module traverse is better than the upright radiating effect of battery module,
And after projection is provided with housing to form the first air flow channel, the radiating efficiency of battery module can be lifted really.And in electricity
After adding heat dissipation element and/or cooling base in the module of pond, in addition to the maximum operating temperature that can reduce battery module, more
The temperature difference between battery can be reduced.
Although the present invention is disclosed as above with embodiment, so it is not limited to the present invention, any people in the art
Member, without departing from the spirit and scope of the present invention, when can make various variations with retouching, therefore protection scope of the present invention work as
It is defined depending on the scope that appended claims are defined.
Claims (10)
1. a kind of battery module, comprising：
Multiple batteries, with relative two ends；
Two housings, the two ends of the multiple battery are individually fixed in the two housings, and each housing includes multiple projections,
And there are multiple first air flow channels between the multiple projection；And
Two electrode slices, are respectively arranged between the two ends of the multiple battery and the two housings.
2. battery module as claimed in claim 1, wherein the multiple projection is the company at the two ends along the multiple battery
Line direction is protruded, and the multiple projection is arranged in array, and the multiple first air flow channel is arranged along two different directions.
3. battery module as claimed in claim 1, wherein the multiple projection is hollow-core construction, each projection has two
Opening, two opening is set Face to face, to define multiple second air flow channels by the multiple projection.
4. battery module as claimed in claim 3, also comprising multiple heat dissipation elements, is respectively arranged at two electrode slice and institute
State between two housings, a part for the multiple heat dissipation element is located in the multiple second air flow channel.
5. battery module as claimed in claim 4, the multiple heat dissipation element of each of which has multiple radiating fins, described
Multiple second air flow channels are by the gap between the multiple radiating fin.
6. battery module as claimed in claim 1, wherein two electrode slice has a first connecting portion and one second respectively
Connecting portion, and the first connecting portion not with the second connecting portion copline.
7. battery module as claimed in claim 1, it is the multiple to clamp that housing described in each of which includes multiple clamping parts
Battery, each electrode slice has multiple through holes, and the multiple clamping part passes through the multiple through hole.
8. battery module as claimed in claim 7, wherein the height of the multiple clamping part is not more than the multiple battery
The half of height.
9. battery module as claimed in claim 1, also comprising a cooling base, is arranged between two electrode slice, and this dissipates
Hot radical seat includes multiple accommodation spaces, and the multiple battery is located in the multiple accommodation space respectively, and with the cooling base
Contact.
10. battery module as claimed in claim 9, the wherein cooling base include an at least protuberance, protuberance protrusion
In the outer rim of the multiple battery.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710061258.6A CN106784496B (en) | 2017-01-25 | 2017-01-25 | Battery module |
| PCT/CN2017/072968 WO2018137259A1 (en) | 2017-01-25 | 2017-02-06 | Battery module |
| TW106111236A TWI623124B (en) | 2017-01-25 | 2017-03-31 | Cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710061258.6A CN106784496B (en) | 2017-01-25 | 2017-01-25 | Battery module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106784496A true CN106784496A (en) | 2017-05-31 |
| CN106784496B CN106784496B (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710061258.6A Active CN106784496B (en) | 2017-01-25 | 2017-01-25 | Battery module |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN106784496B (en) |
| TW (1) | TWI623124B (en) |
| WO (1) | WO2018137259A1 (en) |
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| CN107482145A (en) * | 2017-08-01 | 2017-12-15 | 江西泰豪军工集团有限公司 | Battery power structure and battery power |
| CN109560224A (en) * | 2017-09-26 | 2019-04-02 | 罗伯特·博世有限公司 | Battery module |
| CN109984680A (en) * | 2017-12-07 | 2019-07-09 | 德国福维克控股公司 | Cleaning equipment with battery |
| TWI672890B (en) * | 2018-08-31 | 2019-09-21 | 宏碁股份有限公司 | Battery unit and battery set |
| CN113097595A (en) * | 2021-03-31 | 2021-07-09 | 东莞新能安科技有限公司 | Aircraft subassembly, battery pack and water tank |
| US20210296715A1 (en) * | 2020-03-17 | 2021-09-23 | Aurora Flight Sciences Corporation, a subsidiary of The Boeing Company | Battery cooling systems and methods |
| WO2023004832A1 (en) * | 2021-07-30 | 2023-02-02 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, apparatus, and battery cell manufacturing method and device |
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| US20240014490A1 (en) * | 2020-12-04 | 2024-01-11 | Milwaukee Electric Tool Corporation | Battery pack |
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Also Published As
| Publication number | Publication date |
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| CN106784496B (en) | 2020-03-06 |
| TW201828527A (en) | 2018-08-01 |
| WO2018137259A1 (en) | 2018-08-02 |
| TWI623124B (en) | 2018-05-01 |
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