CN208111553U - A kind of arrangements of electric connection and the rectangular cell mould group including the arrangements of electric connection - Google Patents
A kind of arrangements of electric connection and the rectangular cell mould group including the arrangements of electric connection Download PDFInfo
- Publication number
- CN208111553U CN208111553U CN201820177155.6U CN201820177155U CN208111553U CN 208111553 U CN208111553 U CN 208111553U CN 201820177155 U CN201820177155 U CN 201820177155U CN 208111553 U CN208111553 U CN 208111553U
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- China
- Prior art keywords
- arrangements
- battery modules
- electric connection
- safeguard structure
- connecting sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model relates to battery modules electric connection technology fields, disclose a kind of arrangements of electric connection and the rectangular cell mould group including the arrangements of electric connection, the arrangements of electric connection is used to connect two rectangular cell mould groups of upper layer and lower layer arrangement, the arrangements of electric connection includes electric connecting sheet, first safeguard structure and the second safeguard structure, described electric connecting sheet one end is connect with the electrode of upper layer battery modules, the other end of the electric connecting sheet is connect with the electrode of lower layer's battery modules, first safeguard structure is fixed at the electrode of upper layer battery modules, second safeguard structure is fixed at the electrode of lower layer's battery modules, first safeguard structure and second safeguard structure are packaged in the outside of the electric connecting sheet, the utility model structure is simple, it is convenient for disassembly and assembly, it is highly-safe.
Description
Technical field
The utility model relates to battery modules electric connection technology field, a kind of arrangements of electric connection is disclosed and including the electricity
The rectangular cell mould group of attachment device.
Background technique
With the high speed development of auto industry, the environmental pollution of automobile bring, energy shortage and resource exhaustion etc.
Problem is more and more prominent.In order to keep the sustainable development of national economy, protection human residential environment and guarantee energy resource supply, respectively
Huge fund is not stinted by government of state, puts into a large amount of human and material resources, researchs and solves the various approach of these problems.Electric car has good
Environmental-protecting performance, not only can protect environment, but also adjustable energy resource structure, alleviate energy shortage and ensure energy security, development
Electric car has become the common recognition of national governments and automobile industry.And electrokinetic cell system is then the key core portion of electric car
Part, performance quality and cost height directly influence going on smoothly for electric car large-scale promotion application.In addition, China works as
Preceding power grid operation is faced with that maximum power consumption based model for load duration increases, intermittent energy access accounting expands, peak regulation means are limited etc. all
More challenges, and the component part that energy storage battery system is important as smart grid, can effectively realize demand side management, eliminate
Peak-valley difference between round the clock, smooth power load.Power equipment operational efficiency can not only be turned up, reduce power supply cost, or promote
The application of renewable energy improves system run all right, adjustment frequency, a kind of means for compensating load fluctuation.
But the energy that single battery provides is limited, and to meet electric automobile power battery system or state's household electrical appliances
The electrical energy demands of net energy storage battery system are bound to numerous single batteries using series connection, and/or, mode in parallel connects into
Then group connects these battery modules again, and/or, it is connected in parallel, reaches certain voltage class and capacitance grade
To meet the needs of people.
Side of the connection especially to the special designing arranged with upper layer and lower layer in traditional technology, between each battery modules
Connection between shape battery modules is generally directly connected by bronze medal or electric connecting sheet, and due to external conductive, there is certain
Security risk, in addition, when being connect with battery modules install, dismantle it is more complicated, it has not been convenient to maintenance replacement, further, have
Connected using copper or aluminum litzendraht wire.Due to needing to suppress connecting pin in the end of establishment line, so as to cause connecting pin
Contact internal resistance it is big, and in the case where frequent vibration operating condition is complicated, reliability is low, and occupied space is big in the longitudinal direction.
Being laminated water conservancy diversion row's structure needs ten several layers of or even tens layers copper foils or aluminium foil, and at the both ends of water conservancy diversion row by ten several layers of or tens layers
Aluminium foil and copper foil press together, and since the number of plies of copper foil or aluminium foil is more, the contact internal resistance at the both ends of the water conservancy diversion row of lamination is big, and
It usually only can be suitably used for one-dimensional flexible deformation, realize that three-dimension flexible is difficult, in addition, lamination water conservancy diversion row's manufacturing process is complicated, cost
It is high.
In view of above-mentioned technical problem, it is necessary to provide that a kind of structure is simple, highly-safe and convenient for disassembly and assembly is suitable for
The battery modules connector of this special designing of rectangular cell mould group.
Utility model content
The technical problems to be solved in the utility model is that upper layer and lower layer cloth is especially between battery modules in the prior art
Structure is complicated, safety is low and dismounts asking for complex steps for electrical connector between the rectangular cell mould group for the special designing set
Topic.
In order to solve the above technical problems, the arrangements of electric connection is used for the utility model discloses a kind of arrangements of electric connection
Connect upper layer and lower layer arrangement two rectangular cell mould groups, the arrangements of electric connection include electric connecting sheet, the first safeguard structure and
Second safeguard structure,
Described electric connecting sheet one end is connect with the electrode of upper layer battery modules, the other end of the electric connecting sheet and lower layer's electricity
The electrode of Chi Mo group connects, and first safeguard structure is fixed at the electrode of upper layer battery modules, second protection
Structure is fixed at the electrode of lower layer's battery modules, and first safeguard structure and second safeguard structure are packaged in
The outside of the electric connecting sheet.
Preferably, the electric connecting sheet is one, the electric connecting sheet includes linear structure and U type structure, described
One end of linear structure is connect with the anode of the upper layer battery modules, the other end of the linear structure and the U-shaped structure
Connection, the cathode of the other end of the U-shaped structure and lower layer's battery modules.
Preferably, the electric connecting sheet is linear structure, the electric connecting sheet is two, one of electric connecting sheet
Both ends be separately connected the anodes of upper layer battery modules and lower layer's battery modules, the both ends of another electric connecting sheet are separately connected
The cathode of layer battery modules and lower layer's battery modules.
Further, first safeguard structure is fixedly connected by the first bolt with the upper layer battery modules, described
Second safeguard structure is fixedly connected by the second bolt with lower layer's battery modules.
Further, first safeguard structure and the second safeguard structure include protective cover and connection shell, the protection
It covers and is provided with blocking cover structure, the protective cover is cylindrical structure, and the connection shell is inverted L shape structure.
Further, the blocking cover structure is formed in the top of the protective cover, and the internal diameter of the blocking cover structure is less than
The nut outer diameter of one bolt or the second bolt.
Further, first safeguard structure and the second safeguard structure form gap in centerline, and protection is tied
Structure is divided into the first side and the second side.
Further, it is provided with buckle structure on first safeguard structure and the second safeguard structure, by described first
Side and the second side link together.
Further, the electric connecting sheet is externally coated with insulating materials, the first safeguard structure and the second safeguard structure
Outside is coated with insulating materials.
Further, the utility model additionally provides a kind of rectangular cell mould group, and the rectangular cell mould group includes above-mentioned
The arrangements of electric connection.
By adopting the above technical scheme, arrangements of electric connection described in the utility model has the advantages that：
1) arrangements of electric connection described in the utility model is suitable for the rectangular cell mould of the special designing of upper layer and lower layer arrangement
Group realizes the connection of upper and lower battery mould group by electric connecting sheet, especially by the Combination Design knot of linear structure and U-shaped structure
The electric connecting sheet of structure meets space connection request, reduces occupied space；
2) arrangements of electric connection described in the utility model, which uses, is externally coated with insulating materials safeguard structure to copper connection row
It is protected, plays the role of insulation, security protection, improve security performance；
3) copper connection row is arranged between safeguard structure and battery modules in arrangements of electric connection described in the utility model, leads to
Crossing bolt will fasten between safeguard structure, copper connection row, battery modules, convenient for disassembly and assembly；
4) it is provided with cylindrical protective cover in the utility model, on safeguard structure, convenient for fastening working, and protects
Blocking cover structure is provided in lid, the internal diameter of blocking cover structure is less than the outer diameter of the nut of bolt, when can prevent bolt installation, disassembly
It falls, while assembling work efficiency can be improved；
5) it in the utility model, is had the gap in the setting of safeguard structure position of center line, safeguard structure is divided into the first side
With the second side, facilitate the disassembly of bolt, further, the first side and second is realized by the buckle structure being disposed thereon
The connection of side is the two firm connection, can not only meet vibration and require, while may be more to renew because of bolt stripped thread
Bolt offers convenience, and replaceability can be repaired by having.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of arrangements of electric connection described in embodiment 1；
Fig. 2 is the enlarged diagram at A；
Fig. 3 is the schematic diagram of the rectangular cell mould group described in embodiment 1 including arrangements of electric connection；
In figure, 1- rectangular cell mould group, the upper layer 11- battery modules, 12- lower layer battery modules, 13- water-cooled plate, 4-
Arrangements of electric connection, the first safeguard structure of 41-, 411- protective cover, 412- connection shell, 4121- horizontal part, 4122- are vertical
Portion, the gap 413-, the first side 414-, the second side 415-, 416- blocking cover structure, 42- electric connecting sheet, 43- second
Safeguard structure, the first bronze medal of 5- connection row, the second bronze medal of 6- connection row, the first bolt of 7-, the second bolt of 8-, 9- buckle structure.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
" one embodiment " or " embodiment " referred to herein, which refers to, may be included at least one realization side of the utility model
A particular feature, structure, or characteristic in formula.In the description of the present invention, it should be understood that term " on ", "top",
"bottom", etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description this
Utility model and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are only used
In description purpose, it is not understood to indicate or imply relative importance or implicitly indicates the number of indicated technical characteristic
Amount." first " is defined as a result, the feature of " second " can be expressed or what is implied includes one or more of the features.
Moreover, term " first ", " second " etc. are to be used to distinguish similar objects, without for describing specific sequence or successive time
Sequence.It should be understood that the data used in this way are interchangeable under appropriate circumstances, so as to the implementation of the utility model described herein
Example can be performed in other sequences than those illustrated or described herein.
Embodiment 1：
To solve problems of the prior art, the utility model provides a kind of arrangements of electric connection, refering to fig. 1,
Fig. 2 and Fig. 3, the arrangements of electric connection 4 are used to connect two rectangular cell mould groups of upper layer and lower layer arrangement, specifically, including upper
Layer battery modules 11 and lower layer's battery modules 12 are provided in the upper layer battery modules 11 and lower layer's battery modules 12
Mounting groove, the mounting groove are interior for electrode to be arranged.The arrangements of electric connection 4 includes electric connecting sheet 42, the first safeguard structure 41
With the second safeguard structure 43, preferably, in the present embodiment, the electric connecting sheet 42 is 1, the electric connecting sheet 42
Including linear structure and U-shaped structure, one end of the linear structure is connect with the anode of the upper layer battery modules 11, described straight
The other end of cable architecture is connect with the U-shaped structure, the cathode of the other end of the U-shaped structure and lower layer's battery modules 12
Connection realizes the series connection between upper layer battery modules 11 and lower layer's battery modules 12 by electric connecting sheet 42.Preferably,
To improve safety, the external coating of the electric connecting sheet 42 and insulating materials, play the role of insulation, security protection, as excellent
Choosing, the insulating materials is preferably material contracting with heat, it is known that material contracting with heat material contracting with heat is also known as polymer shape memory
Material is that high molecular material intersects a kind of intelligent material combined with radiation processing technology.For example poly- second of common high molecular materials
Alkene, polyvinyl chloride etc. are usually linear structure, after the radiation effects of the radioactive sources such as electron accelerator becomes reticular structure, this
A little materials will have unique " memory effect ", expand, the material of cooling and shaping can shrink recovery original again after heated
The shape come.The memory performance of material contracting with heat can be used for making heat-shrinkable pipe, membrane material and special section, and key property is that heating is received
The effects of contracting is coated on external surface of objects, can play insulation, moisture-proof, sealing, protection and connect.For further strengthen safety,
Between insulating protection and realization electric connecting sheet 42 and upper layer battery modules 11 and electric connecting sheet 42 and lower layer's battery modules 12
Be bonded, first safeguard structure 41 is arranged at the electrode of the upper layer battery modules 11, and be packaged in
The outside of electric connecting sheet at this similarly second safeguard structure 43 is arranged at the electrode of lower layer's battery modules 12,
And it is packaged in the outside of electric connecting sheet at this.Preferably, first safeguard structure 41 and the second safeguard structure 43
Material be plastic material, or coat insulation material in the external of first safeguard structure 41 and second safeguard structure 43
Material.
Further, it is provided with the first mounting groove in the upper layer battery modules 11, is set in lower layer's battery modules 12
It is equipped with the second mounting groove, described 42 one end of electric connecting sheet is fixed at upper layer battery modules 11 by the first safeguard structure 41
On, specifically, being arranged in first mounting groove, the other end of the electric connecting sheet 42 is fixed by the second safeguard structure 43
It is arranged in lower layer's battery modules 12, specifically, being arranged in the second mounting groove.It is understood that the design of U-shaped structure,
Meet space connection request, reduces occupied space.
Further, first safeguard structure 41 and the second safeguard structure 43 are identical structure, for convenient for introduce with
The connection of upper layer battery modules 11 and lower layer's battery modules 12 is defined with the first safeguard structure 41 and the second safeguard structure 42.Tool
Body, the centerline setting of first safeguard structure 41 and the second safeguard structure 42 has the gap 413 structures, by the first protection
Structure 41 and the second safeguard structure 43 are separated into the first side 414 and the second side 415, it is to be understood that described first
Side 414 and the second side 415 pass through two symmetrical mold injection moldings, the first side 414 and the 2nd 415 side respectively
Portion can fasten the safeguard structure for forming an entirety along the gap 413.Further, it fastens and prevents for first after an entirety
Protection structure 41 and the second safeguard structure 43 include protective cover 411 and connection shell 412, preferably, the protective cover 411 is
Cylindrical structure, the connection shell 412 are inverted L shape structure.Specifically, the connection shell 412 of the inverted L shape structure includes horizontal part
4121 and vertical portion 4122, the bottom setting of horizontal part 4121 is fluted, is provided with rectangular opening on the vertical portion 4122, as
It preferably, is design for aesthetic, the rectangular opening is blind hole.Specifically, the protective cover 411 is molded over the horizontal part 4121
On, the end of the vertical portion 4122 and the rectangular opening cooperate.It is understood that safeguard structure is divided into the first side
414 and second side 415, facilitate the disassembly of bolt.Further, the protective cover 411 is internally provided with through-hole, and described logical
Hole passes through the horizontal part 4121 of the connection shell 412.
Further, the first bronze medal connection row is provided between first safeguard structure 41 and the upper layer battery modules 11
5, the second bronze medal connection row 6 is provided between second safeguard structure 43 and lower layer's battery modules 12.It is understood that
The first bronze medal connection row 5 connects with second bronze medal is provided with through-hole on row 6, is sequentially passed through by the first bolt 7 described
It is after through-hole on first safeguard structure 41 connects the through-hole on row 5 with first bronze medal, first safeguard structure 41 is fixed
First protection is fixed in the first mounting groove of the upper layer battery modules 11, while by first bronze medal connection row 5
Between structure 41 and the upper layer battery modules 11；Similarly, second safeguard structure 43 is sequentially passed through by the second bolt 8
On through-hole connected with second bronze medal row 6 on through-hole after, second safeguard structure 43 is fixed on lower layer's battery
In second mounting groove of mould group 11, at the same by second bronze medal connection row 6 be fixed on second safeguard structure 43 and it is described under
Between layer battery modules 12.Preferably, the diameter of the first bolt 7 and the second bolt 8 described above is preferably 8mm, it can
With understanding, using bolt fastening, convenient for assembly, maintenance and the dismantling between mould group.
Further, be provided with blocking cover structure 416 in the protective cover 411, the blocking cover structure 416 formed with it is described
On protective cover 411, the internal diameter of the blocking cover structure 416 is less than the first bolt 7 or the outer diameter of the nut of the second bolt 8, the blanking cover
The internal diameter of structure 416 meets conventional fastener tool and carries out operation, can not only prevent from falling when bolt installation, disassembly, mention simultaneously
High assembling work efficiency.
Further, buckle is provided on the vertical portion 4122 of first safeguard structure 41 and the second safeguard structure 43
Structure 9, specifically, the bayonet arrangement 9 includes card slot and block, the card slot is across first side 414 and described second
Side 415, the fixture block are arranged in the card slot, and realize institute by closure or openness of the control fixture block in the card slot
State separation and the fastening of the first side 414 and the second side 415.The buckle structure 9 is firmly combined, and passes through the card being disposed thereon
Buckle structure 9 realizes the connection of the first side 414 and the second side 415, is the two firm connection, can not only meet vibration and want
It asks, while may be more to renew bolt band because of bolt stripped thread to facilitate, replaceability can be repaired by having.
Embodiment 2：
Unlike the first embodiment, the electric connecting sheet is linear structure to the present embodiment, and the electric connecting sheet is two,
The both ends of one of electric connecting sheet are connect with the anode of the upper layer battery modules and lower layer's battery modules respectively, another
The other end of a electric connecting sheet is connect with the cathode of the upper layer battery modules and lower layer's battery modules respectively, realizes the upper layer
Parallel connection between battery modules and lower layer's battery modules.
Embodiment 3：
The present embodiment additionally provides a kind of rectangular cell mould group, and refering to Fig. 3, the rectangular cell mould group 1 includes above-mentioned reality
Apply arrangements of electric connection 4 described in example, upper layer battery modules 11, lower layer's battery modules 12 and water-cooled plate 13, the tipping that is electrically connected
The electrical connection between the 4 realizations upper layer battery modules 11 and lower layer's battery modules 12 is set, the water-cooled plate 13 is arranged described
Between upper layer battery modules 11 and lower layer's battery modules 12, cooling effect is played.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of arrangements of electric connection, which is characterized in that the arrangements of electric connection (4) is used to connect two sides of upper layer and lower layer arrangement
Shape battery modules, the arrangements of electric connection (4) include electric connecting sheet (42), the first safeguard structure (41) and the second safeguard structure
(43),
Described electric connecting sheet (42) one end is connect with the electrode of upper layer battery modules (11), the other end of the electric connecting sheet (42)
It is connect with the electrode of lower layer's battery modules (12), first safeguard structure (41) is fixed at upper layer battery modules (11)
At electrode, second safeguard structure (43) is fixed at the electrode of lower layer's battery modules (12), the first protection knot
Structure (41) and second safeguard structure (43) are packaged in the outside of the electric connecting sheet (42).
2. arrangements of electric connection according to claim 1, which is characterized in that the electric connecting sheet (42) is one, the electricity
Connection sheet (42) includes linear structure and U-shaped structure, and one end of the linear structure and the upper layer battery modules (11) are just
Pole connection, the other end of the linear structure are connect with the U-shaped structure, the other end of the U-shaped structure and lower layer electricity
The cathode of Chi Mo group (12).
3. arrangements of electric connection according to claim 1, which is characterized in that the electric connecting sheet (42) is linear structure, institute
Stating electric connecting sheet (42) is two, and the both ends of one of electric connecting sheet (42) are separately connected upper layer battery modules (11) and lower layer
The anode of battery modules (12), the both ends of another electric connecting sheet (42) are separately connected upper layer battery modules (11) and lower layer's battery
The cathode of mould group (12).
4. arrangements of electric connection according to claim 1, which is characterized in that first safeguard structure (41) passes through the first spiral shell
Bolt (7) is fixedly connected with the upper layer battery modules (11), second safeguard structure (43) by the second bolt (8) with it is described
Lower layer's battery modules (12) are fixedly connected.
5. arrangements of electric connection according to claim 1 or 4, which is characterized in that first safeguard structure (41) and second
Safeguard structure (43) includes protective cover (411) and connection shell (412), is provided with blocking cover structure on the protective cover (411)
(416), the protective cover (411) is cylindrical structure, and the connection shell (412) is inverted L shape structure.
6. arrangements of electric connection according to claim 5, which is characterized in that the blocking cover structure (416) is formed in described anti-
The top of protecting cover, the internal diameter of the blocking cover structure (416) is less than the first bolt (7) or the nut outer diameter of the second bolt (8).
7. arrangements of electric connection according to claim 6, which is characterized in that first safeguard structure (41) and the second protection
Structure (43) forms gap in centerline, and safeguard structure is divided into the first side (414) and the second side (415).
8. arrangements of electric connection according to claim 7, which is characterized in that first safeguard structure (41) and the second protection
It is provided with buckle structure (9) in structure (43), first side (414) and the second side (415) are linked together.
9. arrangements of electric connection according to claim 1, which is characterized in that the electric connecting sheet (42) is externally coated with insulation
The outside of material, the first safeguard structure (41) and the second safeguard structure (43) is coated with insulating materials.
10. a kind of rectangular cell mould group, which is characterized in that including arrangements of electric connection as described in any one of claims 1-9
(4)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820177155.6U CN208111553U (en) | 2018-02-01 | 2018-02-01 | A kind of arrangements of electric connection and the rectangular cell mould group including the arrangements of electric connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820177155.6U CN208111553U (en) | 2018-02-01 | 2018-02-01 | A kind of arrangements of electric connection and the rectangular cell mould group including the arrangements of electric connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208111553U true CN208111553U (en) | 2018-11-16 |
Family
ID=64129597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820177155.6U Expired - Fee Related CN208111553U (en) | 2018-02-01 | 2018-02-01 | A kind of arrangements of electric connection and the rectangular cell mould group including the arrangements of electric connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208111553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112272897A (en) * | 2019-02-21 | 2021-01-26 | 株式会社Lg化学 | Battery module including terminal connection structure provided with floating nut and battery pack including the same |
-
2018
- 2018-02-01 CN CN201820177155.6U patent/CN208111553U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112272897A (en) * | 2019-02-21 | 2021-01-26 | 株式会社Lg化学 | Battery module including terminal connection structure provided with floating nut and battery pack including the same |
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