CN110379971A - Battery modules and power battery - Google Patents
Battery modules and power battery Download PDFInfo
- Publication number
- CN110379971A CN110379971A CN201910703549.XA CN201910703549A CN110379971A CN 110379971 A CN110379971 A CN 110379971A CN 201910703549 A CN201910703549 A CN 201910703549A CN 110379971 A CN110379971 A CN 110379971A
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- Prior art keywords
- battery core
- battery
- core group
- conductive sheet
- battery modules
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- 239000003292 glue Substances 0.000 claims abstract description 35
- 239000008358 core component Substances 0.000 claims abstract description 20
- 230000017525 heat dissipation Effects 0.000 claims description 19
- 230000000694 effects Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 9
- 238000003466 welding Methods 0.000 description 8
- 239000000306 component Substances 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000012958 reprocessing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- 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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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)
Abstract
The present invention relates to a kind of battery modules and power batteries.The battery modules include: module shell, have accommodating cavity；And battery core component, it is contained in the accommodating cavity；Battery core component includes battery core group, two support plates and two clamping plates；Battery core group includes multiple battery cores, multiple battery cores are arranged side by side along first direction, two clamping plates for clamping battery core group in a first direction, and two support plates are located at two sides of the battery core group in the second direction perpendicular with first direction, and each support plate is connect with two Boards walls.The battery modules of the application are clamped fixation to multiple battery cores in battery core group using two clamping plates, and two clamping plates are fixed by two support plates, to form overall structure.With in the prior art using multiple glue frames stacking by the way of compared with, the occupied space of multiple glue frames is omitted, be conducive to reduce battery modules volume, improve the energy density of battery modules.
Description
Technical field
The present invention relates to battery technology fields, more particularly to a kind of battery modules and power battery.
Background technique
New-energy automobile has become the overall trend of China Automobile Industry, and there is the meaning for forbidding fuel vehicle to sell in each state
To.And in new-energy automobile, there can be practical value at this stage, be using lithium ion battery mostly as electric energy storage dress
The pure electric automobile or hybrid vehicle set.The characteristics of due to lithium ion battery itself, steel shell, aluminum hull, plastic housing it is hard
Housing battery, the security risk of generally existing explosion.Soft-package battery due to having many advantages, such as high safety, high-energy density, long-life,
Gradually instead of hard shell battery.
Traditional battery modules include several glue frames, and aluminum heat conducting plate, the two sides setting of aluminum heat conducting plate are embedded in glue frame
There is battery core to form a battery core unit, cell polar ear is connected to the conducting block for being embedded at glue frame, connects each lead by busbar connector
Electric block, to realize the series connection and/or parallel connection of each battery core.Several battery core element stacks form battery modules.That is electric
The battery core of Chi Mo group stacks to form entirety by several glue frames, and glue frame occupied space is larger, and the energy for reducing battery modules is close
Degree.
Summary of the invention
Based on this, it is necessary to for the lower problem of the energy density of battery modules in the prior art, provide a kind of improvement
The battery modules and power battery of drawbacks described above.
A kind of battery modules, comprising:
Module shell has accommodating cavity；And
Battery core component is contained in the accommodating cavity；The battery core component includes battery core group, two support plates and two folders
Plate；The battery core group includes multiple battery cores, and multiple battery cores are arranged side by side along first direction, and two clamping plates are used in institute
It states first party and clamps up the battery core group, two support plates are located at the battery core group perpendicular with the first direction
Second direction on two sides, and each support plate is connect with two Boards walls.
Above-mentioned battery modules, multiple battery cores are arranged side by side along first direction, and two clamping plates are located at battery core group in a first direction
On two sides.Two support plates are located at the two sides of battery core group in a second direction, and each support plate is fixedly connected in two
Clamping plate, so that two clamping plates clamp battery core group, and then fixed multiple battery cores.That is, the battery of the application
Mould group is clamped fixation to multiple battery cores in battery core group using two clamping plates, and two clamping plates are fixed by two support plates,
To form overall structure.With in the prior art using multiple glue frames stacking by the way of compared with, be omitted occupied by multiple glue frames
Space, be conducive to reduce battery modules volume, improve the energy density of battery modules.
In one embodiment, first buffer layer is provided between the clamping plate and the battery core group.In this way, being convenient for two
Clamping plate clamps battery core group, prevents damage battery core group.
In one embodiment, the battery core component further includes the lid positioned at side of the battery core group on third direction
Plate, the third direction is perpendicular to shown first direction and the second direction；
The cover board is fixedly connected on two clamping plates.
In one embodiment, the clamping plate and support plate clamping connect.In this way, facilitating the peace installation and dismantling of clamping plate
It unloads.
In one embodiment, the battery core component further includes being set to the support plate away from battery core group side
Conductive sheet；
The opposite end that each battery core is respectively facing two support plates all has tab, and each tab passes through
It wears the corresponding support plate and is electrically connected with the conductive sheet.In this way, each tab is connected by conductive sheet, to realize each
Series, parallel or mixed connection between a tab.
In one embodiment, the support plate away from the side of the battery core group has first area and with described first
The adjacent second area in region；
The conductive sheet is set to the first area, and the conductive sheet, which has, extends to the second area connecting pin
Son；
The battery core component further includes the acquisition harness being set between two support plates, and the acquisition harness is indulged
Long both ends have acquisition terminal, and the acquisition terminal is connected to the corresponding connection terminal.In this way, by tab and acquisition terminal
Connection with conductive sheet separates, and reduces and influences each other.Also, it is (i.e. outer that conductive sheet is located at side of the support plate far from battery core group
Side), it does not need to remove the components such as support plate when reprocessing, it can solder joint directly to tab and conductive sheet and acquisition terminal and company
The solder joint of connecting terminal is repaired or is detected, easy to operate, time saving and energy saving.
In one embodiment, the battery core group further includes multiple thermally conductive sheets, and each thermally conductive sheet is set to adjacent two
Between a battery core；
The module shell also has the mounting surface as accommodating cavity side inner wall, and the battery core group is in third direction
On side be set to the mounting surface, and between the battery core group and the mounting surface be filled with the first heat-conducting glue；
Wherein, the third direction is perpendicular to shown first direction and the second direction.Battery core group is contained in outside mould group
The accommodating cavity of shell, and mounting surface is bonded in by the first heat-conducting glue.That is, the heat that the battery core of battery core group generates conduct to
Thermally conductive sheet, then module shell is transferred to by the first heat-conducting glue, and then export battery modules.In this way, heat-conducting area is big, heat passes
Lead it is high-efficient, be conducive to improve heat dissipation effect.
In one embodiment, the two neighboring battery core encloses shape close to the end of the mounting surface and the mounting surface
At heat dissipation cavity, the thermally conductive sheet is extended in the heat dissipation cavity, and first heat-conducting glue is filled in the heat dissipation cavity.In this way, the
One heat-conducting glue package thermally conductive sheet extends to the part in the heat dissipation cavity, increases the contact area of thermally conductive sheet and the first heat-conducting glue,
Be conducive to improve heat dissipation effect.
In one embodiment, the thermally conductive sheet passes through the second heat-conducting glue towards the surface of the two neighboring battery core respectively
It is Nian Jie with the two neighboring battery core.In this way, on the one hand realizing being bonded for thermally conductive sheet and battery core using the second heat-conducting glue；It is another
Aspect improves the heat transfer efficiency between thermally conductive sheet and battery core, is conducive to further increase heat dissipation effect.
A kind of power battery, including battery modules described at least one any embodiment as above.
Detailed description of the invention
Fig. 1 is the decomposition texture schematic diagram of the battery modules in an embodiment of the present invention；
Fig. 2 is the perspective view of the battery core component of battery modules shown in FIG. 1；
Fig. 3 is battery modules shown in FIG. 1 in the schematic cross-section perpendicular to second direction；
Fig. 4 is the structural schematic diagram of the module shell of battery modules shown in FIG. 1；
Fig. 5 is the support plate of battery modules shown in FIG. 1 and the structural schematic diagram of conductive sheet.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more saturating
It is thorough comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Figure 1, shown in Fig. 2 and Fig. 3, the battery modules provided in one embodiment of the invention, including module shell 10
And battery core component 20.
The module shell 10 has accommodating cavity 11.Battery core component 20 is contained in accommodating cavity 11.Battery core component 20 includes electricity
21, two support plates 22 of core group and two clamping plates 23.Battery core group 21 includes multiple battery cores 210 (see Fig. 3), multiple 210 edges of battery core
First direction a is arranged side by side.Two clamping plates 23 clamp battery core group 21 on a in a first direction.That is, two clamping plates 23
Two sides of the battery core group 21 in a first direction on a are located in, battery cores 210 multiple in battery core group 21 are fixedly clamped.Two supports
Plate 22 is located at two sides of the battery core group 21 on the second direction b perpendicular with first direction a, and each support plate 22 is fixedly connected
In two clamping plates 23, to fix two clamping plates 23.
Above-mentioned battery modules, multiple battery cores 210 are arranged side by side along first direction a, and two clamping plates 23 are located at battery core group 21 and exist
Two sides on first direction a.Two support plates 22 are located at two sides of the battery core group 21 on second direction b, and each support plate 22
It is fixedly connected in two clamping plates 23, so that two clamping plates 23 clamp battery core group 21, and then fixed multiple battery cores
210.That is, the battery modules of the application are clamped multiple battery cores 210 in battery core group 21 using two clamping plates 23
Fixed, two clamping plates 23 are fixed by two support plates 22, to form overall structure.With in the prior art use multiple glue frames
The mode of stacking is compared, and the occupied space of multiple glue frames is omitted, and is conducive to the volume for reducing battery modules, is improved battery mould
The energy density of group.
Specific in embodiment, clamping plate 23 can be with 21 bonding connection of battery core group, to be conducive to increase the company of battery modules
Connect intensity.
Specific in embodiment, first buffer layer 25 is provided between clamping plate 23 and battery core group 21.In this way, convenient for two folders
Plate 23 clamps battery core group 21, prevents damage battery core group 21.Further, the opposite sides of first buffer layer 25 is bonded in folder respectively
Plate 23 and battery core group 21.Optionally, first buffer layer 25 can be foamed cotton layer.
In the embodiment of the present invention, clamping plate 23 and the clamping of support plate 22 are connected.In this way, facilitating the peace installation and dismantling of clamping plate 23
It unloads.
Specific in embodiment, clamping plate 23 and support plate 22 one of them with card slot, another one have can be with card
The clamping engagement portion that slot is engaged by clamping.In this way, clamping engagement portion is caught in card slot, clamping plate 23 and support plate 22 can be realized
Clamping connection.
It is understood that the connection of clamping plate 23 and support plate 22 is not limited in by the way of clamping.In other realities
It applies in example, other way, such as welding, screw threads for fastening etc. can also be used, be not limited thereto.
Please also refer to shown in Fig. 3, in the embodiment of the present invention, battery core group 21 further includes multiple thermally conductive sheets 212, is each led
Backing 212 is set between two neighboring battery core 210.Module shell 10 also has the peace as above-mentioned 11 side inner wall of accommodating cavity
Dress face d.Side of the battery core group 21 on third direction is set on mounting surface d.Third direction c is perpendicular to first direction a
With second direction b.Also, the first heat-conducting glue is filled between battery core group 21 and mounting surface d.Battery core group 21 is contained in module shell
10 accommodating cavity 11, and mounting surface d is bonded in by the first heat-conducting glue.The heat that the battery core 210 of battery core group 21 generates conduct to
Thermally conductive sheet 212, then module shell 10 is transferred to by the first heat-conducting glue, and then export battery modules.In this way, heat-conducting area it is big,
Heat conduction efficiency is high, is conducive to improve heat dissipation effect.
It should be noted that in the prior art, aluminium sheet is arranged between adjacent battery core, at least one end of aluminium sheet, which passes through, to be used for
The glue frame of fixed battery core, and bending forms radiating surface, thus by outside the heat transfer of battery core to mould group.However, above-mentioned battery mould
Without carrying out bending to thermally conductive sheet 212 in group, advantageously ensures that the flatness of thermally conductive sheet 212, improve the thermally conductive effect of thermally conductive sheet 212
Rate.
It is understood that since battery core 210 is also contacted with the first heat-conducting glue towards one end of mounting surface d, battery core
210 a part of heat can be transferred directly to the first heat-conducting glue, to be transferred to module shell 10 again, further increase heat dissipation
Area improves heat dissipation effect.
Specific in embodiment, two neighboring battery core 210 is enclosed heat dissipation close to the end of mounting surface d and mounting surface d
Chamber 2100.Thermally conductive sheet 212 extends in the heat dissipation cavity 2100, and the first heat-conducting glue is filled in the heat dissipation cavity 2100, to wrap up
Thermally conductive sheet 212 extends to the part in the heat dissipation cavity 2100, increases the contact area of thermally conductive sheet 212 and the first heat-conducting glue, has
Conducive to raising heat dissipation effect.
Specific in embodiment, thermally conductive sheet 212 towards the surface of two neighboring battery core 210 pass through respectively the second heat-conducting glue with
Two neighboring battery core 210 is bonded.In this way, on the one hand realizing being bonded for thermally conductive sheet 212 and battery core 210 using the second heat-conducting glue；
On the other hand the heat transfer efficiency between thermally conductive sheet 212 and battery core 210 is improved, is conducive to further increase heat dissipation effect.It can be with
Understand, the first heat-conducting glue can be the same or different with the second thermoelectricity glue, be not limited thereto.
Specific in embodiment, thermally conductive sheet 212 can be graphite flake.Optionally, the thickness of graphite flake can be for 0.6mm extremely
1.5mm.Preferably, the thickness of graphite flake can be 0.8mm.Graphite flake has the spies such as radiating efficiency is high, occupies little space, is light-weight
Point, therefore be conducive to reduce the volume and weight of battery modules, improve the energy density of battery modules.
Specific in embodiment, support plate 22 is fixedly connected on mounting surface d.In this way, enhancing outside battery core group 21 and mould group
The bonding strength of shell 10 prevents the shaking of battery core group 21 in use or falls off.Optionally, support plate 22 can by screw,
The fasteners such as rivet are fixedly connected on mounting surface.Mounting surface d offers the mounting hole worn for fastener.
It should be noted that support plate 22, clamping plate 23, cover board 24 are by insulation in order to improve the safety of battery modules
Material is made, such as plastics etc..
Please also refer to shown in Fig. 1, Fig. 3 and Fig. 4, in the embodiment of the present invention, module shell 10 includes outer cover body 13
And cap 15, outer cover body 13 include bottom plate 132 and two coaming plates 134 for being fixedly connected on 132 side of bottom plate, two coaming plates
134 are oppositely arranged.Cap 15 is fixedly connected on two sides of the coaming plate 134 far from bottom plate 132, to enclose shape with outer cover body 13
At above-mentioned accommodating cavity 11.Battery core group 21 is bonded on the bottom plate 132 of outer cover body 13 by the first heat-conducting glue, that is to say, that bottom
One side surface of plate 132 towards cap 15 is mounting surface d.Optionally, cap 15 and two coaming plates 134 can be used welding and connect
It connects.
Specific in embodiment, module shell 10 further includes two end plates 17, and two end plates 17 are located at bottom plate 132
Opposite end, and each end plate 17 is fixedly connected with two coaming plates 134, with above-mentioned accommodating cavity 11 respectively.Optionally, end plate 17 with
Welded connecting can be used in two coaming plates 134.
Further, the opposite end of end plate 17 is equipped with reinforcement block 171, and end plate 17 is welded by reinforcement block 171 and coaming plate 134
It connects in succession.In this way, being provided with for reinforcement block 171 is conducive to improve welding effect, bonding strength is improved.Specifically, reinforcement block 171 has
There is a welding surface for being parallel to coaming plate 134.Reinforcement block 171 is welded to connect by the welding surface in coaming plate 134.
Specific in embodiment, the bottom plate 132 of outer cover body 13 and two coaming plates 134 are integrally formed.In this way, simplifying mould
The assembly technology of assembly housing 10 improves the structural strength of module shell 10.Optionally, outer cover body 13 uses extrusion forming work
Skill is integrally formed, and advantageously ensures that the structural strength of outer cover body 13, good with the welding effect of cap 15 and end plate 17.
Optionally, extrusion forming process molding can be used in end plate 17, advantageously ensures that the intensity of end plate 17.
Continuing with referring to Fig. 3, in the embodiment of the present invention, battery core group 21 further include be set to two neighboring battery core 210 it
Between second buffer layer 214.In this way, the expanding with heat and contract with cold for battery core 210 that be set as of the second buffer layer 214 provides space.It can
Selection of land, second buffer layer 214 can be foamed cotton layer.
Specific in embodiment, the opposite sides of each battery core 210 is respectively arranged with thermally conductive sheet 212 and second buffer layer
314.So, it is ensured that each battery core 310 fits with a thermally conductive sheet 212 and second buffer layer 214, that is, meets each battery core
210 radiating requirements, and enough spaces are provided for expanding with heat and contract with cold for battery core 210.
Specific in embodiment, second buffer layer 214 can the battery cores 210 of two sides corresponding thereto bond.In this way, being conducive to increase
Structural strength between each battery core 210 of forceful electric power core group 21.
Please also refer to Fig. 1 and Fig. 3, in the embodiment of the present invention, battery core component 20 further includes being located at battery core group 21 to deviate from
The cover board 24 of the side of mounting surface d.Cover board 24 is fixedly connected between two clamping plates 23.In this way, the setting of cover board 24 is on the one hand
Play the protection to battery core group 21；On the other hand the overall structural strength of battery modules is enhanced.To improve battery modules
Safety, in one embodiment, cover board 24 can be insulation cover plate 24.
Specific in embodiment, two sides of the cover board 24 in a first direction on a all have flanging.And the flanging of 24 two sides of cover board
It is caught in the inside of two clamping plates 23, to realize that cover board 24 is fixedly connected between two clamping plates 23.
Please also refer to Fig. 1 and Fig. 5, in the embodiment of the present invention, battery core component 20 further includes being set to the back of support plate 22
Conductive sheet 28 from 21 side of battery core group.The opposite end that each battery core 210 is respectively facing two support plates 22 all has tab,
Each tab is electrically connected through corresponding support plate 22 and with conductive sheet 28.In this way, each tab is connected by conductive sheet 28, from
And realize the series, parallel between each tab or mixed connection.It is understood that the quantity of conductive sheet 28 can be according to each battery core
Connection type between 210 determines.
Specific in embodiment, support plate 22 has first area 22a and and first area away from the side of battery core group 21
22a adjacent second area 22b.Conductive sheet 28 is set to first area 22a.Conductive sheet 28, which has, extends to second area 22b
Connection terminal 282.Battery core component 20 further includes the acquisition harness 25 being set between two support plates 22.The acquisition harness 25
Lengthwise both ends have acquisition terminal, acquisition terminal be connected to corresponding connection terminal 282 so that acquisition harness 25 can be by adopting
Collect the temperature or information of voltage of the connection acquisition conductive sheet 28 of terminal and connection terminal 282.In this way, by tab and acquisition terminal with
The connection of conductive sheet 28 separates, and reduces and influences each other.Also, conductive sheet 28 is located at side of the support plate 22 far from battery core group 21
(i.e. outside) does not need to remove the equal components of support plate 22 when reprocessing, can solder joint directly to tab and conductive sheet 28 and acquisition
The solder joint of terminal and connection terminal 282 is repaired or is detected, easy to operate, time saving and energy saving.
Specific in embodiment, battery core component 20 further includes the first insulating cover 27a and the second insulating cover 27b.First insulation
Lid 27a is covered on the first area 22a of support plate 22, carries out insulation protection to conductive sheet 28 to cover conductive sheet 28.Second
Insulating cover 27b is covered on the second area 22b of support plate 22, is insulated with covering connection terminal 282 to connection terminal 282
Protection.In this way, need to only dismantle down the first insulating cover 27a can be detected or be repaired to the connection of tab and conductive sheet 28.Only
Needing to dismantle down the second insulating cover 27b can be detected or be repaired to the connection of acquisition terminal and connection terminal 282.
Support plate 22 is connected to specific in embodiment, the first insulating cover 27a can be clamped.The card of card slot and protrusion can be used
Mode is connect, other snap fits can also be used, be not limited thereto.
Support plate 22 is connected to specific in embodiment, the second insulating cover 27b can be clamped.The card of card slot and protrusion can be used
Mode is connect, other snap fits can also be used, be not limited thereto.
It should be noted that the fixed installation of the first insulating cover 27a and the second insulating cover 27b are not limited in using clamping
The mode of connection can also be used other fixed forms and fix, such as the mode of screw locking can be used, and be not limited thereto.
In some embodiments, conductive sheet 28 includes drawing conductive sheet 28a and at least one connection conductive sheet 28b.Gathering line
The acquisition terminal at 25 lengthwise both ends of beam includes voltage acquisition terminal and at least one temperature acquisition terminal.Draw conductive sheet 28a
Connection terminal 282 connect with voltage acquisition terminal.The connection terminal 282 of connection conductive sheet 28b is connect with temperature acquisition terminal.
In this way, at least one connection conductive sheet 28b connects conductive sheet 28b's for realizing the serial or parallel connection between each battery core 210
Quantity can be determined according to connection type required between each battery core 210, be not limited thereto.Extraction conductive sheet 28a is used for will
Positive or negative pole after each 210 series, parallel of battery core or mixed connection is drawn.By temperature acquisition terminal and each connection conductive sheet
The connection terminal 282 of 28b connects, for acquiring the temperature information of each connection conductive sheet 28b.By voltage acquisition terminal and draw
The connection terminal 282 of conductive sheet 28a connects, for acquiring the information of voltage for drawing conductive sheet 28a.
The connection terminal 282 for drawing conductive sheet 28a is connected to specific in embodiment, voltage acquisition terminal is solderable.Such as
This, realizes voltage acquisition terminal and draws the electrical contact of the connection terminal 282 of conductive sheet 28a, be convenient for collection voltages information.It is optional
The connection that laser welding process realizes voltage acquisition terminal and draws the connection terminal 282 of conductive sheet 28a can be used in ground.
Specific in embodiment, temperature acquisition terminal can be fixedly connected by threaded fastener.More specifically, support plate
22 are embedded with nut, the nut with connect the connection terminal 282 of conductive sheet 28b relative to connecting the connection terminal of conductive sheet 28b
282 and temperature acquisition terminal all have through hole, screw through temperature acquisition terminal and connects the connecting pin of conductive sheet 28b with this
The through hole of son 282 is simultaneously threadedly connected to nut, to realize temperature acquisition terminal and the connection terminal for connecting conductive sheet 28b
282 are fixedly connected.
Also there is leading-out terminal specific to conductive sheet 28a in embodiment, is drawn, which extends to second area
22b.The second area 22b of support plate 22 has lead division 222 corresponding with leading-out terminal, and the lead division 222 will be for that will draw
Terminal is led to outside battery modules.That is, can be by the circuit connection outside battery modules in the lead division 222, thus real
Existing leading-out terminal is electrically connected with external circuit, that is, realizes the extraction of battery modules positive or negative pole.
In some embodiments, at least one end acquired in the lengthwise both ends of harness 25 also has wire harness plug-in connecting component.Support plate
22 second area 22b is provided with installation base 224.Wire harness plug-in connecting component is fixedly installed in installation base 224.In this way, can pass through
Wire harness plug-in connecting component is connect with battery management system, so that the temperature information of acquisition and information of voltage are transmitted to battery management system
System, so that battery management system is monitored the temperature and voltage of battery modules.
Installation base 224 is connected to specific in embodiment, wire harness plug-in connecting component can be clamped.In other embodiments, harness
Plug connector can also be locked for example, by threaded fasteners such as screws in installation base 224.It should be noted that harness grafting
The mounting means of part is not limited in by the way of clamping or threaded fastener fastening, other modes can also be used, herein
It is not construed as limiting.
Specific in embodiment, the second insulating cover 27b have respectively with lead division 222 and installation base 224 is corresponding opens
Mouthful, in order to which lead division 222 is connect with external circuit, it is installed on the wire harness plug-in connecting component and battery management system of installation base 224
Connection.
In some embodiments, conductive sheet 28 offers at least one first through slot.Support plate 22 is offered passes through with first
Wears groove one-to-one second runs through slot.Each tab sequentially passes through corresponding second through slot and first through slot, and connects
Deviate from the side of support plate 22 in conductive sheet 28.In this way, the tie point of tab and conductive sheet 28 is located at conductive sheet 28 away from support
Subsequent detection or maintenance are further convenient in the side of plate 22.
Specific in embodiment, welded connecting is can be used in the connection of tab and conductive sheet 28.Welding procedure is mature, and connection can
It leans on, it is easy to operate, it is suitble to produce in enormous quantities.
Specific in embodiment, cover board 24 has the groove 242 that b extends in a second direction.Acquisition harness 25 is contained in this
In groove 242.In this way, reducing the acquisition occupied space of harness 25, so that battery modules are more compact, be conducive to reduce electricity
The volume of Chi Mo group.
Based on above-mentioned battery modules, the present invention also provides a kind of power batteries.The power battery includes that at least one is as above
Battery modules described in any embodiment.Specific in embodiment, when battery modules include multiple, multiple battery modules strings
Connection, in parallel or mixed connection.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of battery modules characterized by comprising
Module shell has accommodating cavity；And
Battery core component is contained in the accommodating cavity；The battery core component includes battery core group, two support plates and two clamping plates；Institute
Stating battery core group includes multiple battery cores, and multiple battery cores are arranged side by side along first direction, and two clamping plates are used for described the
One side clamps up the battery core group, and two support plates are located at the battery core group perpendicular with the first direction
Two sides on two directions, and each support plate is connect with two Boards walls.
2. battery modules according to claim 1, which is characterized in that be provided between the clamping plate and the battery core group
One buffer layer.
3. battery modules according to claim 1, which is characterized in that the battery core component further includes being located at the battery core group
The cover board of side on third direction, the third direction is perpendicular to shown first direction and the second direction；
The cover board is fixedly connected on two clamping plates.
4. battery modules according to claim 1, which is characterized in that the clamping plate and support plate clamping connect.
5. battery modules according to claim 1, which is characterized in that the battery core component further includes being set to the support
Conductive sheet of the backboard from battery core group side；
The opposite end that each battery core is respectively facing two support plates all has tab, and each tab runs through phase
The support plate answered simultaneously is electrically connected with the conductive sheet.
6. battery modules according to claim 5, which is characterized in that the support plate has away from the side of the battery core group
There are first area and the second area adjacent with the first area；
The conductive sheet is set to the first area, and the conductive sheet, which has, extends to the second area connection terminal；
The battery core component further includes the acquisition harness being set between two support plates, the lengthwise two of the acquisition harness
End has acquisition terminal, and the acquisition terminal is connected to the corresponding connection terminal.
7. battery modules according to claim 1, which is characterized in that the battery core group further includes multiple thermally conductive sheets, each
The thermally conductive sheet is set between the two neighboring battery core；
The module shell also has the mounting surface as accommodating cavity side inner wall, and the battery core group is on third direction
Side is set to the mounting surface, and the first heat-conducting glue is filled between the battery core group and the mounting surface；
Wherein, the third direction is perpendicular to shown first direction and the second direction.
8. battery modules according to claim 7, which is characterized in that the two neighboring battery core is close to the mounting surface
End and the mounting surface are enclosed heat dissipation cavity, and the thermally conductive sheet extends in the heat dissipation cavity, and first heat-conducting glue is filled out
It fills in the heat dissipation cavity.
9. battery modules according to claim 7, which is characterized in that the thermally conductive sheet is towards the two neighboring battery core
It is Nian Jie with the two neighboring battery core that surface passes through the second heat-conducting glue respectively.
10. a kind of power battery, which is characterized in that including at least one battery mould as described in any one of claim 1 to 9
Group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910703549.XA CN110379971A (en) | 2019-07-31 | 2019-07-31 | Battery modules and power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910703549.XA CN110379971A (en) | 2019-07-31 | 2019-07-31 | Battery modules and power battery |
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| Publication Number | Publication Date |
|---|---|
| CN110379971A true CN110379971A (en) | 2019-10-25 |
Family
ID=68257476
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910703549.XA Pending CN110379971A (en) | 2019-07-31 | 2019-07-31 | Battery modules and power battery |
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