CN109428021A - Frame and battery module - Google Patents
Frame and battery module Download PDFInfo
- Publication number
- CN109428021A CN109428021A CN201710770247.5A CN201710770247A CN109428021A CN 109428021 A CN109428021 A CN 109428021A CN 201710770247 A CN201710770247 A CN 201710770247A CN 109428021 A CN109428021 A CN 109428021A
- Authority
- CN
- China
- Prior art keywords
- peripheral wall
- framework
- secondary cell
- battery modules
- accommodating space
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 75
- 239000003292 glue Substances 0.000 claims description 81
- 239000000853 adhesive Substances 0.000 claims description 52
- 230000001070 adhesive effect Effects 0.000 claims description 52
- 230000003139 buffering effect Effects 0.000 claims description 47
- 239000003351 stiffener Substances 0.000 claims description 36
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 abstract description 5
- 230000004308 accommodation Effects 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 description 12
- 238000002955 isolation Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 230000005611 electricity Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000004411 aluminium Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000872 buffer Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000013047 polymeric layer Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
-
- 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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
-
- 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
-
- 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)
- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention provides a frame and a battery module. The frame body has: a peripheral wall; the containing cavity is enclosed by the peripheral wall and is opened along the two axial ends of the frame body; and at least one reinforcing rib plate arranged in the accommodating cavity and dividing the accommodating cavity into at least two accommodating spaces, wherein at least one end of each reinforcing rib plate facing the peripheral wall is connected to the peripheral wall. The battery module includes: a plurality of secondary batteries; the housing accommodates at least one secondary battery in each accommodation space. When the frame body is applied to the battery module, the secondary batteries can be directly inserted into the pre-formed frame body, the design of the frame body and the reinforcing rib plates effectively improves the assembly efficiency of the battery module, enhances the overall rigidity of the battery module, improves the resistance of the battery module when being subjected to external impact and/or vibration, and the reinforcing rib plates in the frame body also enhance the positioning of the secondary batteries accommodated in one accommodating space and can further restrict the deformation of the plurality of secondary batteries under the action of expansion force in charge and discharge cycles.
Description
Technical field
The present invention relates to secondary cell field more particularly to a kind of frameworks and battery modules.
Background technique
Secondary cell has various forms.According to types of housings, secondary cell can be divided into bag type secondary battery and pot
Secondary cell.The shell of bag type secondary battery is by including that the laminate of polymeric layer and metal layer is made.Can type secondary battery
Shell is usually made of metal-back and metal roof cover plate.
Multiple secondary cells are usually arranged and are fixed by corresponding framework by battery modules.
Battery modules using can type secondary battery are usually the multiple can type secondary batteries and former and later two end plates arranged
Two side plates are welded and fixed again in two end plates, finally in the bottom peripheral hardware water of multiple can type secondary batteries after being pressed together
Cooling system (or even thermal conductive silicon rubber mat).
Battery modules using bag type secondary battery are usually that bag type secondary battery is pasted on metal plate (to generally use aluminium
Plate) over-assemble at battery cell arrangement being fixed again after battery unit, finally with the battery modules using can type secondary battery
Equally, the bottom peripheral hardware water-cooling system (or even thermal conductive silicon rubber mat) of multiple battery units realizes the secondary electricity of pouch-type by metal plate
Heat transfer of the pond to water-cooling system.
But either still use the battery modules of bag type secondary battery equal using the battery modules of can type secondary battery
It needs to be further improved in the assembling of battery modules, to improve the packaging efficiency of battery modules and improve the entirety of battery modules
Rigidity.
Summary of the invention
In view of the problems in the background art, the purpose of the present invention is to provide a kind of framework and battery modules,
The packaging efficiency and overall stiffness of battery modules can be improved.
To achieve the goals above, in a first aspect, including peripheral wall the present invention provides a kind of framework；It is enclosed by peripheral wall
At along framework axial ends be open accommodating chamber；At least one stiffener plate is arranged in accommodating chamber and draws accommodating chamber
It is divided at least two accommodating spaces, at least one end in face of peripheral wall of each stiffener plate is connected to peripheral wall.
To achieve the goals above, in second aspect, the present invention provides a kind of battery modules comprising: it is multiple secondary
Battery.Battery modules further include: the framework, each accommodating space accordingly accommodate at least one according to a first aspect of the present invention
Secondary cell.
Beneficial effects of the present invention are as follows:
When the framework of first aspect present invention is applied to battery modules described in second aspect of the present invention, secondary cell energy
It is enough directly inserted into preformed framework, the design of framework and stiffener plate effectively improves battery modules assembling effect
Rate enhances the overall stiffness of battery modules, improves resistivity of the battery modules by external impact and/or vibration when,
Stiffener plate in framework also enhances the positioning to the secondary cell being housed in an accommodating space, moreover it is possible to further constraint
Deformation under expansive force effect of multiple secondary cells in charge and discharge cycles.
Detailed description of the invention
Figure 1A is the perspective view of an embodiment of framework according to the present invention.
Figure 1B is the simplification perspective view of Figure 1A, wherein removing stiffener plate.
Fig. 2 is the perspective view of Figure 1A splitted.
Fig. 3 is analogous to the perspective view of another embodiment of Fig. 2.
Fig. 4 is the exploded perspective view of battery modules according to the present invention.
Fig. 5 is the perspective view of the part composition component in Fig. 4.
Fig. 6 is the partial enlarged view of Fig. 5.
Fig. 7 is the perspective view of the body part of the isolation board in Fig. 5.
Fig. 8 is the perspective view of the isolation board in Fig. 5.
Fig. 9 is the assembling stereogram of Fig. 4.
Figure 10 is the partial enlarged view of Fig. 9.
Figure 11 is the sectional view that the line A-A in Fig. 9 is splitted, and one of accommodating space accommodates a secondary cell.
Figure 12 is analogous to the sectional view of Figure 11, and one of accommodating space accommodates multiple secondary cells.
Figure 13 is analogous to sectional view when being not filled by bonded adhesives of Figure 11, and wherein at least one stiffener plate of framework is only
Peripheral wall is connected in lower end and is spaced apart in upper end with peripheral wall, at least one stiffener plate is only connected to peripheral wall in upper end and under
End is spaced apart with peripheral wall.
Figure 14 is the schematic diagram after the filling bonded adhesives of Figure 13.
Figure 15 shows multiple secondary cells, wherein being provided with an elastic buffering pad between each pair of secondary cell, elasticity is slow
The right side of a secondary cell and the left side of another secondary cell is completely covered in punching pad.
Figure 16 is a sectional view, and the multiple secondary cells and elastic buffering pad for showing Figure 15, which are contained in framework and framework, to be filled out
Filled with bonded adhesives.
Figure 17 shows multiple secondary cells, wherein being provided with an elastic buffering pad, bullet between two neighboring secondary cell
The right side of a secondary cell and the left side of another secondary cell is completely covered in property cushion.
Figure 18 is a sectional view, and the multiple secondary cells and elastic buffering pad for showing Figure 17, which are contained in framework and framework, to be filled out
Filled with bonded adhesives.
Figure 19 shows multiple secondary cells, wherein being provided at least two elastic buffering pads between each pair of secondary cell, respectively
The right side of a secondary cell and the left side of another secondary cell are not completely covered for elastic buffering pad.
Figure 20 is that the multiple secondary cells for showing Figure 19 and elastic buffering pad are contained in framework and framework filled with bonding
The sectional view made at the slave cushion of glue.
Figure 21 be corresponding with Figure 20 but not from cushion from the sectional view made.
Figure 22 shows multiple secondary cells, wherein being provided at least two elastic buffers between two neighboring secondary cell
The right side of a secondary cell and the left side of another secondary cell are not completely covered for pad, each elastic buffering pad.
Figure 23 is that the multiple secondary cells for showing Figure 22 and elastic buffering pad are contained in framework and framework filled with bonding
The sectional view made at the slave cushion of glue.
Figure 24 be corresponding with Figure 23 but not from cushion from the sectional view made.
Figure 25 is a sectional view, shows one secondary cell of each accommodating space receiving, two elastic buffering pads are contained in frame
Bonded adhesives is filled in body and framework, the right side or left side of secondary cell is completely covered in each elastic buffering pad.
Figure 26 is a sectional view, shows left side and right side that each accommodating space accommodates a secondary cell, secondary cell
Face each section is covered by least one elastic buffering pad, bonded adhesives is filled in framework, and sectional view is from elastic buffering pad
It makes.
Figure 27 be corresponding with Figure 26 but not from cushion from the sectional view made.
Wherein, the reference numerals are as follows:
1 battery modules, 135 intermediate rubber
Glue is interconnected in 11 frameworks 136
111 peripheral walls 137 are lower to interconnect glue
14 isolation board of WT roof
141 body part of WB bottom wall
1411 through slot of WS side wall
1111 hole for injecting glue, 142 conductive connecting piece component
1112 protrusion, 1,421 first conductive connecting piece
112 accommodating chamber V1 first found portion
113 stiffener plate L1 first horizontal portions
1,422 second conductive connecting piece of S accommodating space
12 secondary cell V2 second found portion
121 the second horizontal parts of right side L2
122 left side, 15 end plate
123 first tab, 151 plate body
124 second tab, 152 inserts
13 bonded adhesives, 1521 stage portion
131 right sides the first face glue F1
132 left sides the second face glue F2
133 downside glue, 16 elastic buffering pad
134 side gum applications
Specific embodiment
It is described in detail framework and battery modules according to the present invention with reference to the accompanying drawings.
Illustrate framework according to a first aspect of the present invention first.
As shown in Figure 1A to Fig. 3, framework 11 according to the present invention includes peripheral wall 111；By surrounding axial two along framework 11
The accommodating chamber 112 of end opening；At least one stiffener plate 113 is arranged in accommodating chamber 112 and is divided into accommodating chamber 112 at least
Two accommodating space S, at least one end in face of peripheral wall 111 of each stiffener plate 113 are connected to peripheral wall 111.
In framework 11 according to a first aspect of the present invention, root that the framework 11 of first aspect present invention is applied below
When according to battery modules 1 described in second aspect of the present invention, secondary cell 12 can be directly inserted into preformed framework 11,
The design of framework 11 and stiffener plate 113 effectively improves the packaging efficiency of battery modules 1, enhances battery modules 1
Overall stiffness improves resistivity of the battery modules 1 by external impact and/or vibration when, the stiffener plate in framework 11
113 also enhance the positioning to the secondary cell 12 being housed in an accommodating space S, moreover it is possible to further fetter multiple secondary electricity
Deformation under expansive force effect of the pond 12 in charge and discharge cycles.
Peripheral wall 111 is made of roof WT, bottom wall WB and two side walls WS, and two side walls WS is left side wall and right side wall
At least one end of stiffener plate 113 is connected to peripheral wall 111, can be there are many form, in one embodiment, preferably
Ground, A, the both ends of the up and down direction of each stiffener plate 113 are connected to roof WT and bottom wall WB and and two side walls referring to Fig.1
WS is parallel.Each stiffener plate 113 extends to the axial other end of framework 11 from axial one end of framework 11.
Framework 11 can be integrally formed by extrusion, die-casting process.The material of framework 11 is aluminium.Extrusion process may be implemented one
It is body formed and form circumferentially closed framework 11.
In framework 11 according to a first aspect of the present invention, the peripheral wall 111 of framework 11 is equipped with that at least one is penetrated through and connects
The hole for injecting glue 1111 of logical accommodating chamber 112.In one embodiment, as shown in Figure 1A, the axial both ends of roof WT are respectively equipped with more
A hole for injecting glue 1111.
Secondly the battery modules of explanation according to a second aspect of the present invention.
Referring to Fig. 4 to Figure 27 and Figure 1A to Fig. 3 is combined, battery modules 1 according to a second aspect of the present invention include: multiple two
Primary cell 12；Battery modules 1 further include: the framework 11, each accommodating space S are accordingly accommodated according to a first aspect of the present invention
At least one secondary cell 12.
In battery modules 1 according to a second aspect of the present invention, each accommodating space S of the framework 11 of first aspect present invention
At least one secondary cell 12 is accordingly accommodated, secondary cell 12 can be directly inserted into preformed framework 11, framework
11 and the design of stiffener plate 113 effectively improve the packaging efficiencies of battery modules 1, enhance the entirety of battery modules 1
Rigidity improves resistivity of the battery modules 1 by external impact and/or vibration when, while the stiffener plate in framework 11
113 also enhance the positioning to the secondary cell 12 being housed in an accommodating space S, moreover it is possible to further fetter multiple secondary electricity
Deformation under expansive force effect of the pond 12 in charge and discharge cycles.In one embodiment, extremely referring to Fig. 4 to Figure 27 and in conjunction with Figure 1A
Fig. 3, the peripheral wall 111 of framework 11 are equipped at least one perforation and connection accommodating chamber 112 hole for injecting glue 1111.Battery modules 1 are also
Include: bonded adhesives 13, be located in each accommodating space S, by each secondary cell 12 it is fixed and by each secondary cell 12 and peripheral wall 111 with
And stiffener plate 113 is bonded.Further, in order to radiate, the peripheral wall 111 of framework 11 is thermal conductivity, and bonded adhesives 13 is thermally conductive
Property.It is highly preferred that bonded adhesives 3 is the structure glue of thermal conductivity, to can not only be guaranteed using the strong cementability of structure glue
The position stationarity and shock resistance of secondary cell 2, and can effectively guarantee the stability of heat dissipation path.But no matter such as
What, bonded adhesives 3 must have the performance of liquid curing.
In one embodiment, each secondary cell 12 in A to Fig. 4 and Figure 15 to Figure 27 referring to Fig.1, each accommodating space S
Elastic buffering pad 16 is covered at least one of the right side of the secondary cell 12 121 and left side 122.Further
Ground, the peripheral wall 111 of framework 11 are equipped at least one perforation and connection accommodating chamber 112 hole for injecting glue 1111, and battery modules 1 are also wrapped
Include: bonded adhesives 13 is located in each accommodating space S, each secondary cell 12 is fixed and by each secondary cell 12, each elastic buffering pad
16 is Nian Jie with peripheral wall 111 and stiffener plate 113.Further, in order to radiate, the peripheral wall 111 of framework 11 is thermal conductivity,
Bonded adhesives 13 is thermal conductivity, and stiffener plate 113 is thermal conductivity.It is highly preferred that bonded adhesives 3 is the structure glue of thermal conductivity, from
And can not only guarantee the position stationarity and shock resistance of secondary cell 2 using the strong cementability of structure glue, Er Qieneng
The enough stability for effectively guaranteeing heat dissipation path.Nevertheless, bonded adhesives 3 must have the performance of liquid curing.
The size of elastic buffering pad 16 is unrestricted, and can be elastic buffering pad 16 can be completely covered secondary cell 12
Right side 121 or left side 122, can also part covering, twice battery 12 right side 121 or left side 122.When elasticity is slow
When rushing the right side 121 or left side 122 of 16 part covering, twice battery 12 of pad, can according to the size of elastic buffering pad 16,
In the right side of secondary cell 12 121 or left side 122, one, two or more elastic buffering pads 16 are set.Elastic buffer
Pad 16 can be set between a pair of of secondary cell 12, between the two neighboring secondary cell 12 or left and right two of each secondary cell 12
Side.
In the assembling process of battery modules 1, bonded adhesives 3 is injected in framework 11 with liquid, when the bonded adhesives 3 of liquid solidifies
Afterwards, bonded adhesives 3 is fixed by each secondary cell 12 and each secondary cell 12 is connected to upper perimeter wall 111 and stiffener plate 113, real
Show and the operative constraint of each secondary cell 12 has been fixed, has improved the packaging efficiency and overall stiffness of battery modules 1, improve electricity
Non-deformability when Chi Mo group 1 is impacted and/or shaken.Further, since the compression strength of bonded adhesives 3 itself would generally be low
In the resistance to compression of the electrode assembly (being not shown, electrode assembly generally includes positive plate, negative electrode tab and isolation film) in secondary cell 12
Intensity, so bonded adhesives 3 is easily deformed, in the expansion of 12 charge and discharge cycles of secondary cell so as to buffer secondary cell 12
Expansion.In addition, bonded adhesives 3 reduces the requirement of the flatness on the surface to secondary cell 12 and to existing in accommodating chamber S
Gap uniformity requirement, improve and existing gap in the flatness on the surface of secondary cell 12 and accommodating chamber S
Adaptability.
The setting of elastic buffering pad 16 helps to ensure that the gap of the flowing of bonded adhesives 3 for liquid；It provides and is used for secondary electricity
The cushion space of expansion is generated in 12 charge and discharge cycles of pond；When battery modules 1 assemble, the elasticity pressure based on elastic buffering pad 16
Contracting performance and be easy the secondary cell 12 arranged and elastic buffering pad 16 are fitted into the accommodating space S of framework 11.In addition,
Elastic buffering pad 16 makes the secondary cell 12 in accommodating space S keep stability in structure based on elastic recovery properties, thus
When battery modules 1 are by external impact and/or vibration, the secondary cell 12 in accommodating space S will not occur big structure and become
Change and will not be loose, and external impact and/or vibration are transmitted to elastic buffering pad 16 and are buffered by the side of accommodating space S
Abatement, the opposite other side for returning again to accommodating space S simultaneously simultaneously further buffer abatement.Each elastic buffering pad 16 can be bubble
Cotton.
Bonded adhesives 13 and elastic buffering pad 16 can be provided independently from in framework 11 or the two can be arranged at frame
In body 11.Several situations of setting bonded adhesives 13 and/or elastic buffering pad 16 in framework 11 are exemplified below.
In one embodiment, referring to Fig.1 1, not set elastic buffering pad 16 in framework 11, at least one accommodating space S is received
Hold a secondary cell 12；Bonded adhesives 13 in accommodating space S include: right side glue 131, by the right side of secondary cell 12 with
Formed accommodating space S right side wall surface (such as peripheral wall 111 right side wall surface or stiffener plate 113 right side wall surface) be bonded in
Together；Left side glue 132 by the left side of secondary cell 12 and forms left side wall surface (such as the peripheral wall 111 of accommodating space S
The left side wall surface of left side wall surface or stiffener plate 113) it bonds together；Downside glue 133, by the downside and left side of right side glue 131
The downside of glue 132 bonds together with peripheral wall 111.In the case where injecting glue abundance, as shown in figure 11, bonded adhesives 13 further include:
Side gum application 134 bonds together the upside of right side glue 131 and the upside of left side glue 132 with peripheral wall 111.
In one embodiment, referring to Figure 25 and in conjunction with Fig. 1 to Fig. 4, at least one accommodating space S accommodates a secondary cell
12, the right side 121 and left side 122 of the secondary cell 12 are each to be covered by an elastic buffering pad 16 completely.Further, frame
The peripheral wall 111 of body 11 is equipped at least one perforation and connection accommodating chamber 112 hole for injecting glue 1111；Battery modules 1 further include: viscous
Glue 13 is connect, is located in accommodating space S；Bonded adhesives 13 in accommodating space S includes: downside glue 133, by all elastic buffering
The downside of pad 16, the downside of left side wall surface for forming accommodating space S, the downside of right side wall surface for forming accommodating space S, week
The downside of wall 111 and the downside of secondary cell 12 bond together.Further, in the case where injecting glue abundance, the receipts
Hold the bonded adhesives 13 in space S further include: side gum application 134 by the upside of all elastic cushion 16, forms accommodating space S
The upside of left side wall surface, the upside of right side wall surface for forming accommodating space S, the upside of peripheral wall 111 and secondary cell 12
Upside bond together.
In one embodiment, referring to Figure 26 and Figure 27 and in conjunction with Fig. 1 to Fig. 4, at least one accommodating space S accommodates one two
Primary cell 12, the right side 121 of the secondary cell 12 and 122 each section of left side are covered by least one elastic buffering pad 16.
Further, the peripheral wall 111 of framework 11 is equipped at least one perforation and connection accommodating chamber 112 hole for injecting glue 1111；Battery mould
Group 1 further include: bonded adhesives 13 is located in each accommodating space S.Bonded adhesives 13 in accommodating space S includes；Right side glue 131 glues
It connects the elastic buffering pad 16 on the right side of secondary cell 12 and by the right side of secondary cell 12 121 and forms the right side of accommodating space S
Side wall surface bonds together；Left side glue 132, the elastic buffering pad 16 in bonding secondary cell 12 left side and by a left side for secondary cell 12
Side 122 bonds together with the left side wall surface for forming accommodating space S；Downside glue 133, by the downside and a left side of right side glue 131
The downside of side glue 132 bonds together with peripheral wall 111.Further, in the case where injecting glue abundance, side gum application 134 will be right
The upside of side glue 131 and the upside of left side glue 132 bond together with peripheral wall 111.
In one embodiment, referring to Fig.1 2, not set elastic buffering pad 16 in framework 11, at least one accommodating space S is received
Hold multiple secondary cells 12；Bonded adhesives 13 in each accommodating space S includes: right side glue 131, by being in accommodating space S
The right side 121 of the secondary cell 12 on the outermost right side in direction and the corresponding right side wall surface for forming accommodating space S are viscous side by side
It is connected together；Left side glue 132, by the left side in the secondary cell 12 in the outermost left side in direction side by side in accommodating space S
Face 122 bonds together with the corresponding left side wall surface for forming accommodating space S；Downside glue 133, by the downside of right side glue 131
It bonds together with the downside of left side glue 132 with peripheral wall 111；Intermediate rubber 135, will be two neighboring secondary in accommodating space S
Battery 12 bonds together, and the downside of intermediate rubber 135 and downside glue 133 link together with by the downside of intermediate rubber 135 and week
Wall 111 bonds together.Further, in the case where injecting glue abundance, as shown in figure 12, bonded adhesives 13 further include: side gum application
134, the upside of right side glue 131, the upside of the upside of left side glue 132 and intermediate rubber 135 and peripheral wall 111 are bonded together.
In one embodiment, referring to Fig.1 5 and Figure 16 and combine Fig. 1 to Fig. 4, at least one accommodating space S receiving multiple two
Primary cell 12 has an elastic buffering pad 16 between the only two neighboring secondary cell 12 in accommodating space S, and two secondary
The adjacent right side 121 and left side 122 of battery 12 is each to be covered by the elastic buffering pad 16 completely.Further, framework 11
Peripheral wall 111 be equipped at least one perforation and be connected to accommodating chamber 112 hole for injecting glue 1111, battery modules 1 further include: bonded adhesives
13, it is located in each accommodating space S.Bonded adhesives 13 in accommodating space S includes: downside glue 133, by all elastic cushion 16
Downside, the downside of left side wall surface for forming accommodating space S, the downside of right side wall surface for forming accommodating space S, peripheral wall
111 downside and the downside of the multiple secondary cell 12 bond together.Further, viscous in accommodating space S
Connect glue 13 further include: side gum application 134, by the upside of all elastic cushion 16, the left side wall surface for forming accommodating space S it is upper
Side, the upside of right side wall surface for forming accommodating space S, the upside of peripheral wall 111 and the multiple secondary cell 12 upside
It bonds together.
In one embodiment, referring to Figure 17 and Figure 18, at least one accommodating space S accommodates multiple secondary cells 12, the receipts
Hold the right side 121 of each secondary cell 12 in space S and left side 122 is each is covered completely by an elastic buffering pad 16.Into
One step, the peripheral wall 111 of framework 11 is equipped at least one perforation and connection accommodating chamber 112 hole for injecting glue 1111, battery modules 1
Further include: bonded adhesives 13 is located in each accommodating space S.Bonded adhesives 13 in accommodating space S includes: downside glue 133, by institute
The downside of flexible cushion 16, formed accommodating space S left side wall surface downside, form the right side wall of accommodating space S
The downside of the downside in face, the downside of peripheral wall 111 and the multiple secondary cell 12 bonds together.Further, the receipts
Hold the bonded adhesives 13 in space S further include: side gum application 134 by the upside of all elastic cushion 16, forms accommodating space S
The upside of left side wall surface, the upside of right side wall surface for forming accommodating space S, the upside of peripheral wall 111 and the multiple two
The upside of primary cell 12 bonds together.
In one embodiment, referring to Fig.1 9, Figure 20, Figure 21 and combine Fig. 1 to Fig. 4, at least one accommodating space S receiving is more
A secondary cell 12 has at least one elastic buffering pad 16 between the only two neighboring secondary cell 12 in accommodating space S,
The adjacent right side 121 and left side 122 of two neighboring secondary cell 12 be not completely by least one described elastic buffering pad
16 coverings.Further, the peripheral wall 111 of framework 11 is equipped at least one perforation and connection accommodating chamber 112 hole for injecting glue 1111,
Battery modules 1 further include: bonded adhesives 13 is located in accommodating space S.Bonded adhesives 13 in accommodating space S includes: right side glue
131, the right side 121 of the secondary cell 12 on the outermost right side in direction side by side and the formation receipts will be in accommodating space S
The right side wall surface for holding space S bonds together；Left side glue 132, by the outermost left side in direction side by side in accommodating space S
Secondary cell 12 left side 122 and formed accommodating space S left side wall surface bond together；Downside glue 133, by right side
The downside of glue 131 and the downside of left side glue 132 bond together with peripheral wall 111；Intermediate rubber 135 is bonded in accommodating space S
Elastic buffering pad 16 between two neighboring secondary cell 12 and by the phase of the two neighboring secondary cell 12 in accommodating space S
Adjacent right side 121 and left side 122 bonds together, the downside of intermediate rubber 135 and downside glue 133 link together with will in
Between the downside of glue 135 bond together with peripheral wall 111.Further, the bonded adhesives 13 in accommodating space S further include: on
The upside of right side glue 131, the upside of the upside of left side glue 132 and intermediate rubber 135 and peripheral wall 111 are bonded in one by side glue 134
It rises.
In one embodiment, referring to Figure 22, Figure 23, Figure 24 and in conjunction with Fig. 1 to Fig. 4, at least one accommodating space S receiving is more
A secondary cell 12, the right side 121 and left side 122 of each secondary cell 12 in accommodating space S are each not completely by least
One elastic buffering pad 16 covers.Further, the peripheral wall 111 of framework 11 is equipped at least one is penetrated through and connection accommodating chamber
112 hole for injecting glue 1111, battery modules 1 further include: bonded adhesives 13 is located in accommodating space S.It is viscous in accommodating space S
Connecing glue 13 includes: right side glue 131, the elastic buffering pad 16 in the outermost right side in direction side by side being bonded in accommodating space S
And the right side 121 of the secondary cell 12 on the outermost right side in direction side by side and the formation receiving will be in accommodating space S
The right side wall surface of space S bonds together；Left side glue 132 is bonded the outermost left side in direction side by side in accommodating space S
Elastic buffering pad 16 and by the left side in the secondary cell 12 in the outermost left side in direction side by side in accommodating space S
122 bond together with the left side wall surface for forming accommodating space S；Downside glue 133, by the downside of right side glue 131 and left side glue
132 downside bonds together with peripheral wall 111；Intermediate rubber 135, the two neighboring secondary cell 12 being bonded in accommodating space S
Between elastic buffering pad 16 and adjacent right side 121 and a left side by the two neighboring secondary cell 12 in accommodating space S
Side 122 bonds together, and the downside of intermediate rubber 135 and downside glue 133 link together with by the downside of intermediate rubber 135 and week
Wall 111 bonds together.Further, the bonded adhesives 13 in accommodating space S further include: side gum application 134, by right side glue
131 upside, the upside of the upside of left side glue 132 and intermediate rubber 135 and peripheral wall 111 bond together.
In the embodiment shown in Figure 11 and Figure 12, the both ends of the up and down direction of each stiffener plate 113 are connected to peripheral wall
111。
Illustrate that one end of at least one stiffener plate 113 is connected to peripheral wall 111 below.
3 and Figure 14 referring to Fig.1, at least one stiffener plate 113 are only connected to peripheral wall 111 in lower end and in upper ends and peripheral wall
111 are spaced apart, battery modules 1 further include: glue 136 are above interconnected, positioned at the stiffener plate 113 being spaced apart in upper end with peripheral wall 111
Top and the side gum application 134 of two adjacent accommodating space S is linked together；Or at least one stiffener plate 113 is only
Peripheral wall 111 is connected in upper end and is spaced apart in lower end with peripheral wall 111, battery modules 1 further include: it is lower to interconnect glue 137, it is located at
The downside glue 133 of two adjacent accommodating space S is simultaneously connected to by the lower section for the reinforcing rib 113 that lower end is spaced apart with peripheral wall 111
Together.
In above-described multiple embodiments, the battery modules 1 of second aspect of the present invention use framework 11 and bonded adhesives
13 assembling design improves the packaging efficiency and integral strength of battery modules 1；And the left and right sides of each secondary cell 12 and
Upper and lower two sides are in close contact with bonded adhesives 13, the heat that each position of each secondary cell 12 generates can by bonded adhesives 13 with
Shortest path transfers heat to the stiffener plate 113 and peripheral wall 111 of framework 11, and then passes to external cooling system
(not shown) avoids the problem of flatness being bonded between aluminium sheet in the prior art and secondary cell 12 not can guarantee, greatly
Ground increases the heat dissipation area of battery modules 1, greatly enhances the radiating efficiency of battery modules 1.Electricity is improved simultaneously
The inner space utilization rate of Chi Mo group 1.
In battery modules 1 according to a second aspect of the present invention, as shown in Fig. 4 to Fig. 8, battery modules 1 further include: two
Isolation board 14 is respectively arranged at the axial ends of framework 11；Each isolation board 14 includes: body part 141；Multiple conductive connecting piece groups
Part 142, arranged for interval is in the surface of body part 141.Isolation board 14 is insulating materials.The selection of insulating materials is unrestricted, excellent
Selection of land, each isolation board 14 are plastic cement.
Specifically, referring to figure 5 and figure 6, each conductive connecting piece component 142 includes: the first conductive connecting piece 1421, has the
The one vertical portion V1 and first horizontal portion L1 for being connected to the first vertical portion V1；Second conductive connecting piece 1422 has the second vertical portion V2
And it is connected to the second horizontal part L2 of the second vertical portion V2；Wherein, the first of the first conductive connecting piece 1421 the vertical portion V1 and second
The vertical portion V2 of the second of conductive connecting piece 1422 is opposite and spaced apart and is fixed on the body part 141 of isolation board 14, and the first conduction is even
The first horizontal portion L1 of contact pin 1421 is overlapped and is welded in the second horizontal part L2 of the second conductive connecting piece 1422.
Secondary cell 2 can use various forms to can be bag type secondary battery and the secondary electricity of pot according to types of housings
Pond.The shell of bag type secondary battery is by including that the laminate of polymeric layer and metal layer is made.The shell of can type secondary battery is logical
Often it is made of metal-back and metal roof cover plate.
In one embodiment, each accommodating space S of framework 11 accordingly accommodates a secondary cell 12；Body part 141
The two sides of the vertical portion V1 of the first of adjacent first conductive connecting piece 1421 are respectively provided with through slot 1411；Adjacent the second of body part 141
The two sides of the vertical portion V2 of the second of conductive connecting piece 1422 are respectively provided with through slot 1411；Each secondary cell 12 be bag type secondary battery,
The first tab 123 and the second tab 124 opposite and extend respectively towards 11 axial ends of framework with polarity, per adjacent two
Two the first tabs 123 of secondary cell 12 are placed through the two sides of the first vertical portion V1 of corresponding first conductive connecting piece 1421
Through slot 1411 and bend on the first conductive connecting piece 1421, and two the second tabs 124 are placed through corresponding second
The through slot 1411 of the two sides of the vertical portion V2 of the second of conductive connecting piece 1422 is simultaneously bent in corresponding second conductive connecting piece 1422
On.The first tab 123 and the second tab 124 of each secondary cell 12 pass through corresponding through slot 1411, can play to multiple
The effect that secondary cell 12 is limited, at the same guarantee each secondary cell 12 and framework 11 peripheral wall 111 and stiffener plate 113 it
Between there are for liquid bonded adhesives 13 filling gap.In alternative embodiments, 123 He of the first tab of each secondary cell 12
Second tab 124 can be located at axial one end.
The material of first conductive connecting piece 1421 is copper, and accordingly the material of the first tab 123 of secondary cell 12 is copper；
The material of second conductive connecting piece 1422 is aluminium, and accordingly the material of the second tab 124 of secondary cell 12 is aluminium.
As shown in Fig. 4, Fig. 9 and Figure 10, battery modules 1 further include: two end plates 15 are respectively fixedly connected in framework 11
Axial ends closes the accommodating chamber 112 of framework 11 in axial ends respectively.
Each end plate 15 includes: plate body 151；Two inserts 152 are fixedly installed on the left and right sides of plate body 151 respectively, each embedding
Part 152 is partially submerged into plate body 151 and is fixedly connected on the peripheral wall 111 of framework 11.
151 material of plate body is plastic cement, and 152 material of inserts is aluminium.Plate body 151 and two 152 integrated injection moldings of inserts.
The peripheral wall 111 of framework 11 is equipped with protrusion 1112 outstanding axially outward in axial ends；Each inserts 152 has platform
Rank portion 1521, the second face F2 that stage portion 1521 has the first face F1 and intersects with the first face F1, the protrusion 1112 of framework 11
It sticks on the first face F1, and the edge at the edge and the second face F2 of the periphery of the protrusion 1112 of framework 11 and the first face F1 welds
Together.Preferably, it using latasuture overlap welding, can effectively guarantee the welding quality of battery modules 1, improve battery modules 1
Yield rate.
The assembling steps of battery modules 1 according to a second aspect of the present invention are briefly described below.
Firstly, each secondary cell 12 is packed into one accommodating space S of correspondence of framework 11；Secondly, by each isolation board 14
It is mounted on the axial both ends for the multiple secondary cells 12 being arranged side by side；The viscous of liquid is injected by the hole for injecting glue 1111 of framework 11
Connect glue 13, by 13 effective flowing of bonded adhesives of liquid fill framework 11 accommodating space S and multiple secondary cells 12 and
Gap between other components, the bonded adhesives 13 of liquid permeate framework 11 and multiple secondary cells 12 after solidifying a whole
Body；Finally, the inserts 152 of each end plate 15 is accordingly welded to connect the (framework 11 of protrusion 1112 in axial one end of framework 11
Laser welding is used with the surrounding of the plate body 151 of end plate 15).
Claims (10)
1. a kind of framework (11) comprising:
Peripheral wall (111)；And
The accommodating chamber (112) being open by the axial ends along framework (11) that peripheral wall (111) surrounds；
At least one stiffener plate (113) is arranged in accommodating chamber (112) and accommodating chamber (112) is divided at least two receipts
Hold space (S), at least one end in face of peripheral wall (111) of each stiffener plate (113) is connected to peripheral wall (111).
2. framework (11) according to claim 1, which is characterized in that framework (11) is integrally formed.
3. framework (11) according to claim 1, which is characterized in that the peripheral wall (111) of framework (11) is equipped at least one
Hole for injecting glue (1111) that is penetrating through and being connected to accommodating chamber (112).
4. a kind of battery modules (1), comprising:
Multiple secondary cells (12)；
It is characterized in that, battery modules (1) further include: framework described in any one of -2 (11) according to claim 1, it is each to accommodate
Space (S) accordingly accommodates at least one secondary cell (12).
5. battery modules (1) according to claim 4, which is characterized in that
The peripheral wall (111) of framework (11) is equipped at least one perforation and connection accommodating chamber (112) hole for injecting glue (1111)；
Battery modules (1) further include: bonded adhesives (13) is located in each accommodating space (S), is each secondary cell (12) are fixed and will
Each secondary cell (12) is Nian Jie with peripheral wall (111) and stiffener plate (113).
6. battery modules (1) according to claim 5, which is characterized in that
The peripheral wall (111) of framework (11) is thermal conductivity, and bonded adhesives (13) is thermal conductivity.
7. battery modules (1) according to claim 4, which is characterized in that
Each secondary cell (12) in each accommodating space (S) is in the right side (121) and left side (121) of the secondary cell (12)
At least one of on be covered with elastic buffering pad (16).
8. battery modules (1) according to claim 7, which is characterized in that
The peripheral wall (111) of framework (11) is equipped at least one perforation and connection accommodating chamber (112) hole for injecting glue (1111)；
Battery modules (1) further include: bonded adhesives (13) is located in each accommodating space (S), is each secondary cell (12) are fixed and will
Each secondary cell (12), each elastic buffering pad (16), peripheral wall (111) and stiffener plate (113) bonding.
9. battery modules (1) according to claim 8, which is characterized in that
The peripheral wall (111) of framework (11) is thermal conductivity, and bonded adhesives (13) is thermal conductivity, and stiffener plate (113) is thermal conductivity
's.
10. battery modules (1) according to claim 4, which is characterized in that
The both ends of the up and down direction of each stiffener plate (113) are connected to peripheral wall (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710770247.5A CN109428021B (en) | 2017-08-31 | 2017-08-31 | Frame and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710770247.5A CN109428021B (en) | 2017-08-31 | 2017-08-31 | Frame and battery module |
Publications (2)
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|---|---|
| CN109428021A true CN109428021A (en) | 2019-03-05 |
| CN109428021B CN109428021B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710770247.5A Active CN109428021B (en) | 2017-08-31 | 2017-08-31 | Frame and battery module |
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| CN111312964A (en) * | 2020-04-24 | 2020-06-19 | 比亚迪股份有限公司 | Battery pack and electric vehicle |
| CN111682139A (en) * | 2020-06-19 | 2020-09-18 | 风帆（扬州）有限责任公司 | High-strength power energy storage battery |
| CN111682282A (en) * | 2020-05-27 | 2020-09-18 | 风帆（扬州）有限责任公司 | High-efficient heat dissipation battery |
| US20210013465A1 (en) * | 2019-07-10 | 2021-01-14 | Honda Motor Co., Ltd. | Power storage module |
| CN112349991A (en) * | 2020-09-14 | 2021-02-09 | 比亚迪股份有限公司 | Battery energy storage device |
| CN113644350A (en) * | 2020-04-24 | 2021-11-12 | 比亚迪股份有限公司 | Battery pack and electric vehicle |
| CN113782890A (en) * | 2020-05-22 | 2021-12-10 | 比亚迪股份有限公司 | Battery pack and electric vehicle |
| CN113782899A (en) * | 2020-05-22 | 2021-12-10 | 比亚迪股份有限公司 | Battery pack shell, battery pack and electric vehicle |
| CN113782904A (en) * | 2020-05-22 | 2021-12-10 | 比亚迪股份有限公司 | Battery pack and electric vehicle |
| CN113994534A (en) * | 2019-07-10 | 2022-01-28 | 本田技研工业株式会社 | Power storage module and method for manufacturing power storage module |
| EP4057405A1 (en) * | 2021-03-10 | 2022-09-14 | Crompton Technology Group Limited | Battery stack casing |
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| US20230006274A1 (en) * | 2020-06-19 | 2023-01-05 | Lg Energy Solution, Ltd. | Battery module and battery pack including the same |
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| CN109428021B (en) | 2024-04-02 |
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