CN209607828U - Lithium battery energy storage battery module and lithium battery energy storage battery mould group - Google Patents
Lithium battery energy storage battery module and lithium battery energy storage battery mould group Download PDFInfo
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- CN209607828U CN209607828U CN201920240181.3U CN201920240181U CN209607828U CN 209607828 U CN209607828 U CN 209607828U CN 201920240181 U CN201920240181 U CN 201920240181U CN 209607828 U CN209607828 U CN 209607828U
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- 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
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model belongs to battery product technical field more particularly to a kind of lithium battery energy storage battery module and lithium battery energy storage battery mould group.Wherein, lithium battery energy storage battery module includes battery core, battery core bracket and busbar connector, and the tab of battery core is fixed on the tab fixed part of battery core bracket；Busbar connector includes the first cylinder manifold, the second cylinder manifold and connecting plate, and the tab welding with the battery core being installed in battery core bracket, connecting plate are fixedly connected with tab fixed part respectively for the first cylinder manifold and the second cylinder manifold.So, special busbar connector is set for each battery core in battery core bracket in series or in parallel, electrical-contact area when battery core confluence can be reasonably set by the size of the first cylinder manifold of control and the second cylinder manifold, so that it is guaranteed that effective electrical-contact area between battery core, prevent lithium battery energy storage battery module overheat from causing energy loss, it is advantageously implemented the good thermal management of energy-storage module, while improving the energy storage service efficiency of energy storage mould group.
Description
Technical field
The utility model belongs to battery product technical field more particularly to a kind of lithium battery energy storage battery module and lithium battery energy storage battery
Mould group.
Background technique
Since nineteen ninety comes out, lithium ion battery is because its energy density is high, voltage is high, environmental protection, service life are long and can be fast
It is the advantages that speed charging, deep to be pursued by industries such as 3C number, power tools, especially especially to the contribution of new-energy automobile industry
It is prominent.
It is well known that the energy storage capacity of lithium battery monomer is limited, when exclusive use, tends not to the power supply for meeting electric energy product
Demand, by the way that several to hundreds of lithium battery single battery cores are formed one or more battery mould group in series and parallel, in this way, can incite somebody to action
The electric energy of multiple lithium batteries, which collects, is integrated together output, can greatly promote the energy storage of lithium battery and for energy, meet product
Power demand.Although multiple battery core strings and even forming by way of battery modules obtain high power capacity and solving electric energy production
The big electricity centrally connected power supply demand of product, but due to concentrating series-parallel single battery core quantity more, it is corresponding for series-parallel
Electric connecting sheet quantity it is also relatively more, electric connecting sheet designs the unreasonable effective contact surface that frequently can lead between each battery core
Product is reduced, and so as to cause the increase of junction resistance value, battery modules can be produced when being powered at the electric connecting sheet of big resistance value
Raw a large amount of heat, leads to energy loss, is unfavorable for the energy storage thermal management of battery modules, keep the energy storage service efficiency of battery modules big
It is big to reduce, shorten the service life of battery modules, the system temperature excessively high initiation for entirely applying battery modules can be also made when serious
Safety problem.
Utility model content
The purpose of this utility model is to provide a kind of lithium battery energy storage battery module and lithium battery energy storage battery mould groups, it is intended to solve existing
There is the electric connecting sheet design of the lithium battery energy storage battery module or mould group in technology is unreasonable to lead to effective electric interface between each battery core
Product reduces the technical problem excessive so as to cause energy-storage module or energy storage mould group heat production.
A kind of lithium battery energy storage battery module that in order to achieve the above purposes, the technical solution adopted by the utility model is:, comprising:
Battery core；
Battery core bracket, for installing fixed battery core, battery core bracket has the first peace being oppositely arranged and for installing battery core
The end of dress face and the second mounting surface, battery core bracket has extended to form pole towards away from the first mounting surface/second mounting surface direction
The tab of ear fixed part, the interior battery core installed of the first mounting surface extends the first mounting surface and is fixed on the upper table of tab fixed part
The tab in face, the interior battery core installed of the second mounting surface extends the second mounting surface and is fixed on the lower surface of tab fixed part；
Busbar connector, for being electrically connected each battery core installed in battery core bracket, busbar connector includes the first remittance disposed in parallel
Flowing plate, the second cylinder manifold and the connecting plate being connected between the first cylinder manifold and the second cylinder manifold adjacent end portion, the first confluence
The tab welding of plate and the battery core being installed in the first mounting surface, the second cylinder manifold and the battery core being installed in the second mounting surface
Tab welding, connecting plate are fixedly connected with tab fixed part.
Preferably, the first cylinder manifold is covered on the upper surface of the tab for the battery core installed in the first mounting surface, the second confluence
Plate is covered on the lower surface of the tab for the battery core installed in the second mounting surface；And first cylinder manifold and the second cylinder manifold cross section
Product be all larger than or equal to corresponding tab cross-sectional area.
Preferably, tab fixed part offers several first connecting holes away from the first mounting surface/second mounting surface end,
Several the second connecting holes corresponding with the first connecting hole are offered on connecting plate, connecting plate is solid by the first fastener and tab
Determine portion to be fixedly connected, one end of the first fastener is fixed in corresponding first connecting hole after being pierced by the second connecting hole.
Preferably, battery core bracket is plastic stent, and busbar connector is copper busbar connector.
Preferably, lithium battery energy storage battery module further includes the upper cover sheet and lower cover sheet for protecting battery core, upper guarantor
Protecting cover plate is covered in the top of the first mounting surface and encloses with battery core bracket and sets to form the first installation space, and lower cover sheet is covered in
The lower section of second mounting surface simultaneously encloses with battery core bracket and sets to form the second installation space, battery core be packaged in the first installation space and/or
In second installation space.
The utility model has the beneficial effects that the lithium battery energy storage battery module of the utility model, is provided with dedicated for installation
The battery core bracket of battery core and busbar connector for being electrically connected each battery core installed in battery core bracket, specifically, battery core bracket
With the first mounting surface and the second mounting surface being oppositely arranged, battery core is mounted in the first mounting surface and the second mounting surface；
Battery core bracket has also extended to form tab fixed part away from the first mounting surface/second mounting surface end, is installed on battery core bracket
The first mounting surface and the tab of the battery core on the second mounting surface be individually fixed in the upper and lower surfaces of tab fixed part, converge
Stream row is fixedly connected with tab fixed part；Busbar connector has the first cylinder manifold and the second cylinder manifold being oppositely arranged, wherein first
The tab of the tab welding of cylinder manifold and the battery core in the first mounting surface, the second cylinder manifold and the battery core in the second mounting surface welds
It connects, to collect the electric current of the battery core in battery core bracket.In this way, special busbar connector is arranged for battery core bracket in series or in parallel
On each battery core, battery core can be reasonably arranged by the first cylinder manifold of control bus and the size of the second cylinder manifold
Electrical-contact area when confluence avoids connecing because of effective electricity so as to ensure effective electrical-contact area between battery core and battery core
The reduction of contacting surface product and cause at electrically connecting position resistance value excessive and generate a large amount of heat, prevent the energy of lithium battery energy storage battery module
Loss, is advantageously implemented the good thermal management of energy-storage module, while improving the energy storage service efficiency of energy-storage module.
The utility model another solution is that a kind of lithium battery energy storage battery mould group, including several above-mentioned lithium battery energy storage batteries
Module and several electrical connection copper sheets for being used to be electrically connected each lithium battery energy storage battery module, each lithium battery energy storage battery module are up and down or left
The setting of right stacking, it is each to be electrically connected copper sheet the busbar connector adjacent in each lithium battery energy storage battery module is fixedly connected respectively.
Preferably, electrical connection copper sheet includes several series connection copper sheets for each lithium battery energy storage battery modules of connecting and several is used for
The copper sheet in parallel of each lithium battery energy storage battery module in parallel, each series connection copper sheet and each copper sheet in parallel pass through the second fastener and each confluence
The connecting plate of row is fixedly connected.
Preferably, series connection copper sheet includes straight panel series connection copper sheet and folded plate series connection copper sheet, and lithium battery energy storage battery module includes difference
The the first energy storage membrane module and the second energy storage membrane module being made of several lithium battery energy storage battery modules；
Each busbar connector of first energy storage membrane module is set in same plane, each busbar connector setting of the second energy storage membrane module
In in same plane, copper sheet in parallel and straight panel series connection copper sheet are connect with each busbar connector being in the same plane respectively；
The plane that first energy storage membrane module is provided with busbar connector is provided with the plane phase of busbar connector with the second energy storage membrane module
To setting, folded plate series connection copper sheet include the first straight plate part disposed in parallel, the second straight plate part and be connected to the first straight plate part and
Interconnecting piece between second straight plate part adjacent end portion, the first straight plate part are connect with the busbar connector on the first energy storage membrane module, and second
Straight plate part is connect with the busbar connector on the second energy storage membrane module.
Preferably, lithium battery energy storage battery mould group further includes several press strips for each lithium battery energy storage battery module of assembly and connection, respectively
Press strip is connect respectively to assemble together each lithium battery energy storage battery module with each battery core bracket.
Preferably, electrical connection copper sheet with a thickness of the copper sheet punching press of 0.5mm~2mm by being made.
The lithium battery energy storage battery mould group of the utility model, including multiple above-mentioned lithium battery energy storage battery modules for stacking setting, and
By be electrically connected copper sheet be electrically connected the busbar connector in each lithium battery energy storage battery module, can be realized each lithium battery energy storage battery module it
Between electric current collect, in this way, be arranged busbar connector guarantee the electrical connection contact area of single lithium battery energy storage battery module on the basis of,
Size by designing and controlling electrical connection copper sheet can further guarantee to converge between each lithium battery energy storage battery module
When electrical-contact area, it is ensured that effective electrical-contact area that each lithium battery energy storage battery module is located in series and parallel, reduce resistance value, reduce hair
Heat, to realize effective thermal management to lithium battery energy storage battery mould group；In addition, connecting each lithium battery energy storage battery mould using electrical connection copper sheet
The series-parallel confluence of each lithium battery energy storage battery mould group can be realized in the busbar connector of block, and structure is simple, and assembly operation is easy.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram one of lithium battery energy storage battery mould group provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram two of lithium battery energy storage battery mould group provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram three of lithium battery energy storage battery mould group provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of lithium battery energy storage battery module provided by the embodiment of the utility model；
Fig. 5 is the exploded diagram of lithium battery energy storage battery module provided by the embodiment of the utility model；
Fig. 6 is the structural schematic diagram of the battery core bracket of lithium battery energy storage battery module provided by the embodiment of the utility model；
Fig. 7 is the structural schematic diagram of the battery core of lithium battery energy storage battery module provided by the embodiment of the utility model；
Fig. 8 is the structural schematic diagram of the copper sheet in parallel of lithium battery energy storage battery mould group provided by the embodiment of the utility model；
Fig. 9 is the structural schematic diagram of the straight panel series connection copper sheet of lithium battery energy storage battery mould group provided by the embodiment of the utility model；
Figure 10 is the structural schematic diagram of the folded plate series connection copper sheet of lithium battery energy storage battery mould group provided by the embodiment of the utility model；
Figure 11 is the enlarged drawing of A in Fig. 3.
Wherein, each appended drawing reference in figure:
1-lithium battery energy storage battery module 2-lithium battery energy storage battery mould 10-battery core of group
11-the 21-the first mounting surfaces of 20-battery core bracket of tab
22-the second 23-tab of mounting surface the 24-the first connecting hole of fixed part
25-third connecting hole 26-support bar, 30-busbar connectors
31-the first cylinder manifold 33-connecting plate of the 32-the second cylinder manifold
40-upper the 42-the second fasteners of the 41-the four connecting hole of cover sheet
43-heat release holes 50-lower cover sheet 60-are electrically connected copper sheet
61-series connection copper sheet 62-63-the five connecting holes of copper sheet in parallel
64-third fastener 70-press strip, 71-straight press strips
72-special-shaped press strip the 331-the second connecting hole the 201-the first energy storage membrane modules
202-the second energy storage 611-straight panel of membrane module series connection 612-folded plate of copper sheet series connection copper sheet
6121-the first straight plate part 6133-interconnecting piece of the 6122-the second straight plate part.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining the description of attached drawing 1~11 is exemplary, it is intended to for explaining the utility model, and should not be understood as practical to this
Novel limitation.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Fig. 1~11, an embodiment of the utility model provides a kind of lithium battery energy storage battery module 1, be suitable for pair
The series-parallel confluence of single head Double-pole lug Soft Roll lithium electricity battery core, specifically, as shown in Fig. 4~10, lithium battery energy storage battery module 1 includes electricity
Core 10, battery core bracket 20 and busbar connector 30, wherein battery core bracket 20 is for installing fixed battery core 10, and busbar connector 30 is for electrically
Each battery core 10 installed in connection battery core bracket 20；Specifically, battery core bracket 20, which has, is oppositely arranged and for installing battery core 10
The first mounting surface 21 and the second mounting surface 22, the end of battery core bracket 20 is towards deviating from 21/ second mounting surface 22 of the first mounting surface
Direction extended to form tab fixed part 23, the tab 11 for the battery core 10 installed in the first mounting surface 21 extends the first installation
The tab 11 of face 21 and the upper surface for being fixed on tab fixed part 23, the interior battery core 10 installed of the second mounting surface 22 extends second
Mounting surface 22 and the lower surface for being fixed on tab fixed part 23；Busbar connector 30 includes the first cylinder manifold 31, second disposed in parallel
Cylinder manifold 32 and the connecting plate 33 being connected between 32 adjacent end portion of the first cylinder manifold 31 and the second cylinder manifold, the first cylinder manifold
31 weld with the tab 11 of battery core 10 being installed in the first mounting surface 21, the second cylinder manifold 32 be installed on the second mounting surface 22
The tab 11 of interior battery core 10 welds, and connecting plate 33 is fixedly connected with tab fixed part 23.In some specific embodiments, together
Generally there are two busbar connectors 30 for connection in one battery core bracket 20, for connecting the left and right two of single head Double-pole lug Soft Roll lithium electricity battery core
A tab 11, as shown in figure 5 and figure 7.
The lithium battery energy storage battery module 1 of the utility model embodiment is provided with dedicated for installing the battery core branch of battery core 10
Frame 20 and busbar connector 30 for being electrically connected each battery core 10 installed in battery core bracket 20, specifically, battery core bracket 20 have
There are the first mounting surface 21 and the second mounting surface 22 being oppositely arranged, battery core 10 is mounted on the first mounting surface 21 and the second installation
In face 22；Battery core bracket 20 has also extended to form tab fixed part 23 away from the end of 21/ second mounting surface 22 of the first mounting surface,
The tab 11 of the first mounting surface 21 and the battery core 10 on the second mounting surface 22 that are installed on battery core bracket 20 is individually fixed in tab
The upper and lower surfaces of fixed part 23, busbar connector 30 are fixedly connected with tab fixed part 23, and busbar connector 30 has opposite set
The first cylinder manifold 31 and the second cylinder manifold 32 set, wherein the pole of the first cylinder manifold 31 and the battery core 10 in the first mounting surface 21
Ear 11 welds, and the tab 11 of the second cylinder manifold 32 and the battery core 10 in the second mounting surface 22 welds, to collect in battery core bracket 20
Battery core 10 electric current.In this way, each battery core 10 that special busbar connector 30 is used in battery core bracket 20 in series or in parallel is set,
Battery core 10 can reasonably be arranged by the first cylinder manifold 31 of control bus 30 and the size of the second cylinder manifold 32 to converge
Electrical-contact area when stream avoids so as to ensure effective electrical-contact area between battery core 10 and battery core 10 because effectively electric
The reduction of contact area and cause at electrically connecting position resistance value excessive and generate a large amount of heat, prevent lithium battery energy storage battery module 1
Energy loss, is advantageously implemented the good thermal management of energy-storage module, while improving the energy storage service efficiency of energy-storage module.
Specifically, the tab 11 and the first cylinder manifold 31 for being installed on the battery core 10 in the first mounting surface 21 are using laser welding
Or mash welder welding, likewise, the tab 11 for the battery core 0 being installed in the second mounting surface 22 and the second cylinder manifold 32 are using sharp
Photocoagulation or mash welder welding；Using laser welding or mash welder welding are easy to operate with welding, speed of welding is fast, and
Weld strength is high, the advantage of good airproof performance etc., is conducive to the packaging efficiency for improving lithium battery energy storage battery module 1.
In another embodiment of the utility model, as also shown in e.g. figs. 4-7, the first cylinder manifold 31 is covered on the first mounting surface
The upper surface of the tab 11 for the battery core 10 installed in 21, the second cylinder manifold 32 are covered on the battery core 10 installed in the second mounting surface 22
Tab 11 lower surface, specifically, its tab 11 of the battery core 10 being installed in the first mounting surface 21 is attached at tab fixed part
23 upper surface, the welding of the first cylinder manifold 31 are attached at the upper surface that the tab 11 deviates from tab fixed part 23, are installed on second
The tab 11 of battery core 10 in mounting surface 22 is attached at the lower surface of tab fixed part 23, and the welding of the second cylinder manifold 32 is attached at this
Tab 11 deviates from the lower surface of tab fixed part 23, in this way, the size of tab 11 determines it between busbar connector 30
Electrical-contact area size, entire tab 11 is in electrical contact with busbar connector 30, at this point, electrical-contact area is maximum, resistance value is most
It is small.Specifically, it in the present embodiment, is generally measured with temperature rise, under size of current the same terms, according to P=I2* (its known to R
In, P indicates that power, I indicate that electric current, R indicate resistance.), R is bigger, and heating power is bigger, and R and electrical-contact area are inversely proportional pass
The pole for being attached at corresponding battery core 10 is respectively welded in system, the first cylinder manifold 31 and the second cylinder manifold 32 of existing the present embodiment busbar connector 30
11 surface of ear, tab 11 is whole to be connect with busbar connector 30, is equivalent to maximum electrical-contact area when providing electrical connection, is made to be electrically connected
It connects the R value at position to become smaller, so as to change the heating power when lithium battery energy storage battery module 1 of the present embodiment is converged.
Preferably, the cross-sectional area of the first cylinder manifold 31 and the second cylinder manifold 32 is all larger than or is equal to corresponding tab
11 cross-sectional area, the i.e. cross-sectional area of the first cylinder manifold 31 are greater than the transversal of the tab 11 of the battery core 10 in the first mounting surface 21
Area, the second cylinder manifold 32 cross-sectional area be greater than the second mounting surface 22 in battery core 10 tab 11 cross-sectional area；In this way,
To ensure that the tab 11 of battery core 10 can be conformed to completely on 31/ second cylinder manifold 32 of the first cylinder manifold, maximum electricity is provided and is connect
Contacting surface product, meanwhile, the cross-sectional area of the first cylinder manifold 31 and the second cylinder manifold 32 is all larger than the cross of the tab 11 of corresponding battery core 10
Sectional area is equivalent to and increases the heat dissipation area of electrical contact position, more efficiently can prevent from occurring at electrical contact position high
Temperature overheat.
In another embodiment of the utility model, as shown in Figure 4 and Figure 5, tab fixed part 23 deviates from the first mounting surface
The end of 21/ second mounting surface 22 offers several first connecting holes 24, and several and the first connecting hole is offered on connecting plate 33
24 corresponding second connecting holes 331, connecting plate 33 pass through first fastener (not shown) such as screw etc. and tab fixed part 23
It is fixedly connected, one end of the first fastener is fixed in corresponding first connecting hole 24 after being pierced by the second connecting hole 331；Assembling is originally
When lithium battery energy storage battery module 1 in embodiment, battery core 10 is first mounted on the first mounting surface 21 and/or the second mounting surface 22
It is interior, busbar connector 30 is then plugged in 11 fixing end of tab of battery core bracket 20 and is tightened the first fastener again, is assembled
It is easy to operate.
In another embodiment of the utility model, battery core bracket 20 is plastic stent, to ensure 21 He of the first mounting surface
The battery core main body (position in addition to tab 11) for two battery cores 10 installed in second mounting surface 22 is electrically insulated, and avoids occurring short
Road；Busbar connector 30 is copper busbar connector 30, with two battery cores 10 that ensure to install in the first mounting surface 21 and the second mounting surface 22
It electrically conducts between tab 11.
In another embodiment of the utility model, as shown in fig. 6, the frame that battery core bracket 20 is middle part hollow out shapes material branch
Frame, the upper and lower surfaces of frame shape plastic stent are corresponding first mounting surface 21 and the second mounting surface 22, and battery core 10 is installed
When in battery core bracket 20, correspond in the upper and lower surfaces of frame shape plastic stent；Also, frame shape plastic stent
It is also arranged in a crossed manner at the hollow out position at middle part to have at least two plastic support items 26, it is used to support and electrically isolates the first mounting surface
21 and second battery core 10 installed in mounting surface 22.In this way, the fixed battery core 10 of the frame shape plastic stent of hollow out, insulation in the middle part of use
Property it is good, use is safe, and can also be substantially reduced occur between battery core 10 short circuit risk, quality is secure, and total quality
It is relatively light, it carries out easy to assembly in subsequent PACK again, is conducive to promote packaging efficiency, saves built-up time.
In another embodiment of the utility model, as shown in figure 4, lithium battery energy storage battery module 1 further includes for protecting electricity
The upper cover sheet 40 of core 10 and lower cover sheet 50, upper cover sheet 40 are covered in the top of the first mounting surface 21 and and battery core
Bracket 20, which encloses, to be set to form the first installation space (not shown), lower cover sheet 50 be covered in the lower section of the second mounting surface 22 and with electricity
Core support 20, which encloses, to be set to form the second installation space (not shown), and battery core 10 is packaged in the first installation space and/or the second installation is empty
In.Specifically, the end quadrangle of battery core bracket 20 offers several third connecting holes 25, upper cover sheet 40 and lower guarantor respectively
The position opposite with each third connecting hole 25 of protecting cover plate 50 offers several 4th connecting holes 41, upper cover sheet 40 and lower protection
Cover board 50 is connected and fixed by the second such as screw of fastener 42 with the battery core bracket 20, and one end of the second fastener 42 is worn
It is fixed on after the 4th connecting hole 41 in the corresponding third connecting hole 25 out.More specifically, upper cover sheet 40 and lower protection
Cover board 50 is plastic cover plate, preferably guarantees the dielectric features of the lithium battery energy storage battery module 1 of the present embodiment, while mitigating module
Lithium battery energy storage battery total quality.Specifically, it is also provided on upper cover sheet 40 and lower cover sheet 50 several for radiating
Heat release hole 43, with preferably guarantee battery core 10 generate heat can shed in time.
As shown in Fig. 1~11, another embodiment of the utility model additionally provides a kind of lithium battery energy storage battery mould group 2, specifically
As shown in Figures 1 to 3 comprising lithium battery energy storage battery module 1 in several above-described embodiments and several for being electrically connected each lithium electricity
The electrical connection copper sheet 60 of pond energy-storage module 1, each 1 up and down or left and right of lithium battery energy storage battery module stack setting, are respectively electrically connected copper sheet
60 respectively the busbar connector 30 adjacent in each lithium battery energy storage battery module 1 be fixedly connected.
The lithium battery energy storage battery mould group 2 of the utility model embodiment, including multiple above-mentioned lithium battery energy storage batteries for stacking setting
Module 1, and it is electrically connected the busbar connector 30 in each lithium battery energy storage battery module 1 by being electrically connected copper sheet 60, each lithium can be realized
Electric current between battery energy storage module 1 collects, in this way, guaranteeing being electrically connected for single lithium battery energy storage battery module 1 in setting busbar connector 30
On the basis of connecing contact area, the size by designing and controlling electrical connection copper sheet 60 can further guarantee each lithium
Electrical-contact area when converging between battery energy storage module 1, it is ensured that effective electricity at the series-parallel position of each lithium battery energy storage battery module 1
Contact area reduces resistance value, reduces fever, to realize effective thermal management to lithium battery energy storage battery mould group 2；In addition, using electricity
The series-parallel of each lithium battery energy storage battery module 1 can be realized in the busbar connector 30 that connection copper sheet 60 connects each lithium battery energy storage battery mould group 2
Confluence, structure is simple, and assembly operation is easy.
In the present embodiment, as depicted in figs. 1 and 2, it is arranged when each 1 up and down or left and right of lithium battery energy storage battery module stacks
When, each busbar connector 30 of each battery energy storage module is respectively positioned in same plane, in this way, electrical connection copper sheet 60 is all connected with and is fixed on
Lithium battery energy storage battery mould group 2 it is ipsilateral, i.e., the tab 11 of each battery core 10 concentrates on the ipsilateral center of lithium battery energy storage battery mould group 2
Installation, installation is simple, also, the tab 11 of so arrangement battery core 10, can also concentrate on voltage harness, sampling harness entirely
The center wiring of mould group, harness is short, and wiring is succinct, beautiful.
In the present embodiment, as shown in Fig. 1~3 and Fig. 8~11, electrical connection copper sheet 60 includes several for each lithium of connecting
The series connection copper sheet 61 of battery energy storage module 1 and several copper sheets in parallel 62 for each lithium battery energy storage battery module 1 in parallel, lithium battery storage
Energy mould group 2 realizes the series connection and parallel connection of each lithium battery energy storage battery module 1 by series connection copper sheet 61 and copper sheet 62 in parallel；Specifically
Ground, each series connection copper sheet 61 and each copper sheet 62 in parallel pass through the fixed company of connecting plate 33 of the second fastener 42 and each busbar connector 30
Connect, offer several 5th connecting holes 63 on series connection copper sheet 61 and copper sheet 62 in parallel, and each 5th connecting hole 63 respectively with remittance
The second connecting hole 331 on the connecting plate 33 of stream row 30 corresponds, and series connection copper sheet 61 and copper sheet 62 in parallel are tight by third
Such as screw of firmware 64 is equal to each busbar connector 30 and is fixedly connected；When assembling the lithium battery energy storage battery mould group 2 of the present embodiment, first by each lithium
The overlapping of battery energy storage module 1 is placed, and makes each busbar connector 30 is neat to be up and down placed in same plane, then, then will
Third fastener 64 is tightened, and assembly program is simple, and it is convenient to operate.
Specifically, as shown in Fig. 2, when being provided with each confluence for being electrically connected copper sheet 60 and connecting each lithium battery energy storage battery module 1
When arranging 30, third fastener 64 is only set and is connected, i.e., busbar connector 30 is connected and fixed on tab and fixed by third fastener 64
In portion 23, at this point, the fixed busbar connector 30 of the first additional fastener of setting is no longer needed to, it is when assembled so as to be further simplified
Operation, while reducing the dosage of fastener, mitigating the overall weight of lithium battery energy storage battery mould group 2.Also, work as several lithium battery energy storage batteries
When module 1 is assembled into lithium battery energy storage battery mould group 2, only upper cover sheet is arranged in the upper surface of the lithium battery energy storage battery module 1 of the top
40, lower cover sheet 50, the lithium battery energy storage battery module 1 at intermediate position is arranged in the lower surface of the lithium battery energy storage battery module 1 of bottom
It may not need the upper cover sheet 40 of setting and lower cover sheet 50 may be used also in this way, can not only play the purpose of protection battery core 10
Reduce the overall volume of entire lithium battery energy storage battery mould group 2.
In the present embodiment, as shown in Fig. 2,3 and Fig. 8~11, series connection copper sheet 61 includes straight panel series connection copper sheet 611 and folding
Plate series connection copper sheet 612, lithium battery energy storage battery module 1 include the first energy storage mould group being made of respectively several lithium battery energy storage battery modules 1
Part 201 and the second energy storage membrane module 202；Each busbar connector 30 of first energy storage membrane module 201 is set in same plane, the second storage
Can each busbar connector 30 of membrane module 202 be set in same plane, copper sheet 62 in parallel and straight panel series connection copper sheet 611 respectively be located at
Each busbar connector 30 in same plane connects；First energy storage membrane module 201 is provided with the plane and the second energy storage mould of busbar connector 30
The plane that component 202 is provided with busbar connector 30 is oppositely arranged, and folded plate series connection copper sheet 612 includes the first straight plate part disposed in parallel
6121, the second straight plate part 6122 and the connection being connected between 6122 adjacent end portion of the first straight plate part 6121 and the second straight plate part
Portion 6133, the first straight plate part 6121 are connect with the busbar connector 30 on the first energy storage membrane module 201, the second straight plate part 6122 and second
Busbar connector 30 on energy storage membrane module 202 connects.In this way, connecting adjacent two groups of lithiums electricity by setting folded plate series connection copper sheet 612
Pond energy storage mould group 2, thus by the first energy storage membrane module 201 independent of each other and the second energy storage membrane module 202 be assemblied together with
The bigger lithium battery energy storage battery mould group 2 of an energy storage capacity is formed, further to expand the energy storage of single lithium battery energy storage battery mould group 2
Amount, Fig. 3 are when folded plate parallel connection copper sheet 62 being used to connect adjacent the first energy storage membrane module 201 and the second energy storage membrane module 202
Connection status figure.Certainly, in other some embodiments, lithium battery energy storage battery mould group 2 includes but are not limited to include above-mentioned
The first energy storage membrane module 201 and the second energy storage membrane module 202, can also include more energy storage membrane modules, and each phase
It is attached between adjacent energy storage membrane module by folded plate series connection copper sheet 612.
In the present embodiment, as shown in Figures 1 to 3, lithium battery energy storage battery mould group 2 further includes for each lithium battery storage of assembly and connection
Can module 1 several press strips 70, each press strip 70 connect respectively with by each lithium with the battery core bracket 20 of each lithium battery energy storage battery module 1
Battery energy storage module 1 assembles together, specifically, the upper cover sheet 40 of press strip 70 and each lithium battery energy storage battery module 1 or
Lower cover sheet 50 is fixedly connected, so that each lithium battery energy storage battery module 1 is connected into the lithium battery energy storage battery mould an of entirety
Group 2 makes the integral installation of lithium battery energy storage battery mould group 2 and carries more convenient.
In the present embodiment, as shown in Figures 1 to 3, press strip 70 includes straight press strip 71 and special-shaped press strip 72, when adjacent two lithium
When the outer surface of battery energy storage module 1 is in the same plane, connected using straight press strip 71, as shown in Figure 2；And when adjacent
When the outer surface of two lithium battery energy storage battery modules 1 is located in upper and lower two different planes, then carried out using special-shaped press strip 72
It is connected and fixed, as shown in figures 1 and 3.
Specifically, as shown in Figures 1 to 3, wherein figure 1 illustrate using copper sheet 62 in parallel and straight panel series connection copper sheet 611 and
7 strings 5 and single head Double-pole lug Soft Roll lithium electricity battery core that special-shaped press strip 72 assembles, Fig. 2 shows using 62 He of copper sheet in parallel
8 strings 5 and single head Double-pole lug Soft Roll lithium electricity battery core that straight panel series connection copper sheet 611 and straight press strip 71 assemble, and Fig. 3 shows
Copper sheet 62, straight panel series connection copper sheet 611, folded plate series connection copper sheet 612 and straight press strip 71 in parallel and special-shaped press strip 72, connection are gone out
The installation diagram of 8 string single head Double-pole lug Soft Roll lithium electricity battery core mould groups being assembled into and 7 string single head Double-pole lug Soft Roll lithium electricity battery core mould groups.
In the present embodiment, as shown in figs. 8-10, it is electrically connected copper sheet 60 i.e. series connection copper sheet 61 and copper sheet 62 in parallel is preferred
By being made with a thickness of the copper sheet punching press of 0.5mm~2mm, in some specific embodiments, electrical connection copper sheet 60 i.e. series connection copper
The thickness of piece 61 and copper sheet 62 in parallel all can be 0.5mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 1.8mm or 2.0mm etc..
Using the copper sheet punching press production electrical connection copper sheet 60 with a thickness of 0.5mm~2mm, in this way, the molding electrical connection copper sheet 60 of production
Integral thickness is smaller, and since electrical connection copper sheet 60 is produced sufficiently thin, therefore it is more easily deformed during the installation process, when assembling
The plane attaching degree of itself can be adjusted, according to the flatness of assembling plane so as to supply lithium battery energy storage battery mould group 2 in group
During dress due to machining tolerance precision problem existing for the bad defect of installation surface evenness, each lithium battery energy storage battery is ensured with this
There is enough electrical-contact areas between module 1, to reduce the electricity at each electrically connecting position of lithium battery energy storage battery mould group 2
Resistance reduces fever；Also, the processing and fabricating to electric connecting sheet can be completed in the 5th connecting hole 63 of punching press on copper sheet, process
Simple process, advantage of lower cost.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of lithium battery energy storage battery module characterized by comprising
Battery core；
Battery core bracket, for installing the fixed battery core, the battery core bracket, which has, to be oppositely arranged and for installing the battery core
The first mounting surface and the second mounting surface, the end of the battery core bracket is towards deviating from first mounting surface/second mounting surface
Direction has extended to form tab fixed part, and the tab for the battery core installed in first mounting surface extends first peace
The tab of dress face and the upper surface for being fixed on the tab fixed part, the interior battery core installed of second mounting surface extends
Second mounting surface and the lower surface for being fixed on the tab fixed part；
Busbar connector, for being electrically connected each battery core installed in the battery core bracket, the busbar connector includes being arranged in parallel
The first cylinder manifold, the second cylinder manifold and be connected between first cylinder manifold and the second cylinder manifold adjacent end portion
Connecting plate, the tab welding of first cylinder manifold and the battery core being installed in first mounting surface, described second converges
The tab welding of flowing plate and the battery core being installed in second mounting surface, the connecting plate and the tab fixed part are solid
Fixed connection.
2. lithium battery energy storage battery module according to claim 1, which is characterized in that first cylinder manifold is covered on described
The upper surface of the tab for the battery core installed in one mounting surface, second cylinder manifold are covered on peace in second mounting surface
The lower surface of the tab of the battery core of dress；And the cross-sectional area of first cylinder manifold and second cylinder manifold be all larger than or
Equal to the cross-sectional area of the corresponding tab.
3. lithium battery energy storage battery module according to claim 1, which is characterized in that the tab fixed part deviates from described first
Mounting surface/second mounting surface end offers several first connecting holes, offered on the connecting plate it is several with it is described
Corresponding second connecting hole of first connecting hole, the connecting plate connect by the way that the first fastener and the tab fixed part are fixed
It connects, one end of first fastener is fixed in corresponding first connecting hole after being pierced by second connecting hole.
4. described in any item lithium battery energy storage battery modules according to claim 1~3, which is characterized in that the battery core bracket is modeling
Expect that bracket, the busbar connector are copper busbar connector.
5. described in any item lithium battery energy storage battery modules according to claim 1~3, which is characterized in that the lithium battery energy storage battery mould
Block further includes the upper cover sheet and lower cover sheet for protecting the battery core, and the upper cover sheet is covered in described first
The top of mounting surface simultaneously encloses with the battery core bracket and sets to form the first installation space, and the lower cover sheet is covered in described second
The lower section of mounting surface simultaneously encloses with the battery core bracket and sets to form the second installation space, and it is empty that the battery core is packaged in first installation
Between and/or second installation space in.
6. a kind of lithium battery energy storage battery mould group, which is characterized in that including any one of several Claims 1 to 5 lithium battery energy storage battery
Module and several for being electrically connected the electrical connection copper sheet of each lithium battery energy storage battery module, in each lithium battery energy storage battery module
Lower or left and right stacks setting, each electrical connection copper sheet confluence adjacent in each lithium battery energy storage battery module respectively
Row is fixedly connected.
7. lithium battery energy storage battery mould group according to claim 6, which is characterized in that the electrical connection copper sheet includes several is used for
The series connection copper sheet for each lithium battery energy storage battery module of connecting and several copper in parallel for each lithium battery energy storage battery module in parallel
The connecting plate that piece, each series connection copper sheet and each copper sheet in parallel pass through the second fastener and each busbar connector is solid
Fixed connection.
8. lithium battery energy storage battery mould group according to claim 7, which is characterized in that the series connection copper sheet includes straight panel series connection copper
Piece and folded plate series connection copper sheet, the lithium battery energy storage battery module includes first be made of respectively several lithium battery energy storage battery modules
Energy storage membrane module and the second energy storage membrane module；
Each busbar connector of the first energy storage membrane module is set in same plane, each institute of the second energy storage membrane module
Busbar connector is stated to be set in same plane, the parallel connection copper sheet and straight panel series connection copper sheet respectively be in the same plane
Each busbar connector connection；
The first energy storage membrane module is provided with the plane of the busbar connector and the second energy storage membrane module is provided with busbar connector
Plane be oppositely arranged, folded plate series connection copper sheet includes the first straight plate part disposed in parallel, the second straight plate part and is connected to
Interconnecting piece between first straight plate part and the second straight plate part adjacent end portion, first straight plate part and first storage
Busbar connector connection on energy membrane module, second straight plate part are connect with the busbar connector on the second energy storage membrane module.
9. lithium battery energy storage battery mould group according to claim 6, which is characterized in that the lithium battery energy storage battery mould group further includes using
In several press strips of each lithium battery energy storage battery module of assembly and connection, each press strip connect respectively with each battery core bracket with
Each lithium battery energy storage battery module is assembled together.
10. lithium battery energy storage battery mould group according to claim 6, which is characterized in that the electrical connection copper sheet by with a thickness of
The copper sheet punching press of 0.5mm~2mm is made.
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| CN201920240181.3U CN209607828U (en) | 2019-02-26 | 2019-02-26 | Lithium battery energy storage battery module and lithium battery energy storage battery mould group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904378A (en) * | 2019-02-26 | 2019-06-18 | 信义储能微电网研究院(东莞)有限公司 | Lithium battery energy storage battery module and lithium battery energy storage battery mould group |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904378A (en) * | 2019-02-26 | 2019-06-18 | 信义储能微电网研究院(东莞)有限公司 | Lithium battery energy storage battery module and lithium battery energy storage battery mould group |
| CN109904378B (en) * | 2019-02-26 | 2024-04-05 | 信义储能微电网研究院(东莞)有限公司 | Lithium battery energy storage module and lithium battery energy storage module |
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