CN207818709U - Battery modules - Google Patents
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- CN207818709U CN207818709U CN201820254092.XU CN201820254092U CN207818709U CN 207818709 U CN207818709 U CN 207818709U CN 201820254092 U CN201820254092 U CN 201820254092U CN 207818709 U CN207818709 U CN 207818709U
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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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Abstract
This application involves energy storage device technical field more particularly to a kind of battery modules, including at least one battery unit, the battery unit includes：At least two battery cells, each battery cell include the first lug and the second lug；At least one monomer connector, the monomer connector include opposite two sides, and each side is provided with the first connection structure and the second connection structure, and first connection structure is different from the material of the second connection structure；In the same battery unit, each first lug is connect with first connection structure；Each second lug is connect with second connection structure.The fusing point and linear expansion coefficient of two components mutually welded in the application are same or similar, and therefore, the first connection structure is easy to weld with the first lug, and the second connection structure is easy to weld with the second lug, and then facilitates automated production.
Description
Technical field
This application involves energy storage device technical field more particularly to a kind of battery modules.
Background technology
Lithium ion battery has high-energy, cycle-index high, it is efficient the advantages that, be widely used in various consumer
Electronics industry, electric vehicle industry and energy storage field.Nowadays, due to government subsidy, market demand etc., high-energy density electricity
The development in pond is imperative, and the cost of soft-package battery is low, and energy density is high, and in groups relatively flexibly, becomes the production of industry pursuit
Product.
In general, battery modules include multiple battery cells, each battery cell is serially connected, in parallel or connection in series-parallel, existing
In technology, two lugs (copper polar ear and aluminium pole ears) of battery cell are mainly by being welded to connect, due to the fusing point phase of copper and aluminium
Poor 424 DEG C, and linear expansion coefficient difference 40%, therefore, the two is not easy to weld, and especially in automated production, influences battery mould
The manufacturing schedule of group.
Utility model content
This application provides a kind of battery modules, can solve the above problems.
This application provides a kind of battery modules, including at least one battery unit, the battery unit includes：
At least two battery cells, each battery cell include the first lug and the second lug；
At least one monomer connector, the monomer connector include opposite two sides, and each side is provided with
First connection structure and the second connection structure, first connection structure are different from the material of the second connection structure；
In the same battery unit, each first lug is connect with first connection structure；Each described
Two lugs are connect with second connection structure.
Optionally, each side have body construction, the body construction include positioned at homonymy the first bonding pad and
Second bonding pad, second bonding pad are recessed relative to first bonding pad and are arranged, and first connection structure is formed in
First bonding pad；Second connection structure is set to second bonding pad.
Optionally, in the same side, joint face and institute that first connection structure is connect with first lug
The joint face that the second connection structure is connect with second lug is stated to be coplanar with.
Optionally, two sides share the same body construction.
Optionally, the monomer connector further includes support portion, and the support portion is connected to the edge of the side, and institute
Support portion is stated to be of an L-shaped structure with the side.
Optionally, the monomer connector further includes support portion, and two sides are connected by the support portion, so that
The U-shaped structure of monomer connector.
Optionally, first connection structure is identical as the material of the first lug；Second connection structure and institute
The material for stating the second lug is identical.
Optionally, further include the unit connector for connecting at least two adjacent battery units,
The monomer connector further includes support portion, and the support portion is connected to the edge of the side, and the unit connects
Fitting is connected to the support portion.
Optionally, the support portion is in hierarchic structure, and the hierarchic structure includes the first cascaded surface set gradually, second
Cascaded surface and third cascaded surface, the first cascaded surface third cascaded surface is far from first connection structure；
The unit connector is connected to first cascaded surface；
The battery modules further include circuit board, electrical connector, and the circuit board is overlapped in the third cascaded surface；It is described
One end of electrical connector is connected to second cascaded surface, and the other end is connected to the circuit board.
Optionally, first cascaded surface is plane, and the electrical connector is without departing from the face where first cascaded surface.
Technical solution provided by the present application can reach following advantageous effect：
Battery modules provided herein, in the side of monomer connector different the first connection structure of setting material and
Second connection structure makes the first lug of each battery cell be connect with the first connection structure, and the second lug is connected to the second connection
Structure, so that two battery cells in the same battery unit are in series or in parallel, this mode, two components mutually welded
Fusing point and linear expansion coefficient it is same or similar, therefore, the first connection structure is easy to weld with the first lug, second connection knot
Structure is easy to weld with the second lug, and then facilitates automated production.
It should be understood that above general description and following detailed description is merely exemplary, this can not be limited
Application.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of specific embodiment of battery modules provided herein；
Fig. 2 is in battery modules provided herein, and battery unit hides first shell and second shell and isolation
A kind of structural schematic diagram of specific embodiment after part；
Fig. 3 is the explosive view of a kind of specific embodiment of battery unit in battery modules provided herein；
Fig. 4 is the partial enlarged view at I in Fig. 2；
Fig. 5 is the partial enlarged view at II in Fig. 2；
Fig. 6 is the structural schematic diagram of a kind of specific embodiment of monomer connector in battery modules provided herein；
Fig. 7 is the structural representation of another specific embodiment of monomer connector in battery modules provided herein
Figure；
Fig. 8 is in battery modules provided herein, and the structure that monomer connector is connect with circuit board, electrical connector is shown
It is intended to；
Fig. 9 is the structural schematic diagram of a kind of specific embodiment of unit connector in battery modules provided herein；
Figure 10 is the structural representation of another specific embodiment of unit connector in battery modules provided herein
Figure.
Reference numeral：
100- battery units；
The first battery cells of 10-；
The first lugs of 11-；
The second lugs of 12-；
The second battery cells of 20-；
30- the first monomer connectors；
The sides 31-；
The first connection structures of 311-；
The second connection structures of 312-；
313- body constructions；
32- support portions；
The first cascaded surfaces of 321-；
The second cascaded surfaces of 322-；
323- third cascaded surfaces；
The second card slots of 33-；
40- second comonomer connectors；
50- first shells；
The first clamping portions 51-；
The second clamping portions 52-；
60- second shells；
The first card slots of 61-；
70- spacers；
200- unit connectors；
201- ontologies；
202- pins；
300- circuit boards；
400- electrical connectors；
500- is padded.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and the principle together with specification for explaining the application.
Specific implementation mode
It is described in further detail below by specific embodiment and in conjunction with attached drawing to the application.
As Figure 1-10 shows, the embodiment of the present application provides a kind of battery modules, including at least one battery unit 100,
Such as one, two, ten, 20 battery units 100, wherein the battery modules in Fig. 1 include 13 battery units
100.Each battery unit 100 include at least two battery cells (as included the first battery cell 10 and the second battery cell 20) and
At least one monomer connector (such as the first monomer connector 30 and/or second comonomer connector 40), each battery cell include the
One lug 11 and the second lug 12.Each monomer connector includes opposite two sides 31, and each side 31 is provided with the first connection
Structure 311 and the second connection structure 312, the first connection structure 311 are different from the material of the second connection structure 312.Same
In battery unit 100, each first lug 11 is connect with the first connection structure 311；12 and second connection structure 312 of each second lug
Connection.
Above-mentioned battery modules are arranged the first different connection structure 311 and second of material in the side of monomer connector 31 and connect
Binding structure 312, the material of the first connection structure 311 and the material of the first lug 11 are same or similar, the second connection structure 312
Material and the material of the second lug 12 it is same or similar, make the first lug 11 and the first connection structure of each battery cell
311 connections, the second lug 12 are connect with the second connection structure 312, so that each battery cell series connection in the same battery unit
Or it is in parallel.This mode, the fusing point and linear expansion coefficient for two components being connected are same or similar, therefore, in monomer
When connector is connect with battery cell using welding manner, the first connection structure 311 is easy to weld with the first lug 11, and second connects
Binding structure 312 is easy to weld with the second lug 12, and then facilitates automated production.And due to be welded to connect occupied space compared with
Small, connection is reliable, and therefore, this structure can also improve the energy density and reliability of battery modules.Wherein, above-mentioned material
It is same or similar to judge so that the welding property of the two is same or similar.
Wherein, between the first lug 11 and the first connection structure 311, between the second lug 12 and the second connection structure 312
It can be connected, can also be welded by way of friction welding by the mode of laser welding mode or ultrasonic bonding.
It should be noted that in the same battery unit 100, two the first lugs 11 are connected to the first monomer connector
30, when two the second lugs 12 are connected to second comonomer connector 40, two battery cell parallel connections in the battery unit 100,
That is, the battery unit 100 includes two monomer connectors.In two battery cell strings of the same battery unit 100
When connection, it can be arranged there are one monomer connector (can be the first monomer connector 30 or second comonomer connector 40), the
First lug 11 of one battery cell 10 and the second lug 12 of the second battery cell 20 are connected to the same monomer connector.
In above structure, if each battery cell be soft-package battery monomer, battery modules in groups when, be not easy to be arranged.
Therefore, each battery unit 100 can also include first shell 50 and second shell 60, in the same battery unit 100, first
Shell 50 is closed with the lid of second shell 60, each battery cell (the first battery cell 10 in such as Fig. 2-Fig. 3 and the second battery cell
20) it is set between first shell 50 and second shell 60, since the hardness of first shell 50 and second shell 60 is larger, because
This, is encapsulated each battery cell by first shell 50 and second shell 60, and soft-package battery monomer can be converted to hard shell knot
Structure, to be easy to the arrangement of each battery unit 100.
Wherein, first shell 50 and second shell 60 directly can be mutually clamped by the clamping structure in the two, such as Fig. 3
In, the first clamping portion 51 is provided in first shell 50, the first card slot 61 is provided in second shell 60, first shell 50 with
When the lid of second shell 60 closes, the first clamping portion 51 is caught in the first card slot 61.Or first shell 50 and second shell 60 pass through
The modes such as screw link together.Can also first shell 50 and second shell 60 connect with monomer connector, especially exist
If there are two when monomer connector, first shell 50 and second shell 60 are both provided with the second clamping portion 52, the second clamping portion 52
It can be platy structure (as shown in Figure 3)；First monomer connector 30 and second comonomer connector 40 are provided with the second card slot 33,
Two the second clamping portions 52 of first shell 50 and second shell 60 are inserted into the second card slot 33.In a kind of preferred embodiment,
In the setting of battery unit 100 there are two when monomer connector, first shell 50 and second shell 60 both pass through card between the two
Binding structure is clamped, while being also clamped with the first monomer connector 30, second comonomer connector 40, to increase battery unit 100
Reliability.
Optionally, battery unit 100 further includes spacer 70, in the same battery unit 100, adjacent two batteries
Monomer is isolated by spacer 70, as in Fig. 3 the first battery cell 10 and the second battery cell 20 be isolated by spacer 70,
That is, the space between first shell 50 and second shell 60 is divided into two cavitys, two cavitys point by spacer 70
The first battery cell 10 and the second battery cell 20 are not placed, in such manner, it is possible to occur between avoiding adjacent battery cell mutual
It squeezes, ensures the safety of battery modules.
Specifically, stretching hole, each first lug 11, each second lug 12 are provided in first shell 50 and second shell 60
First shell 50 and second shell 60 are stretched out by stretching out hole, in order to above-mentioned each first lug 11, the second lug 12 and the
One connection structure 311, the connection of the second connection structure 312.
It is to be appreciated that each battery unit 100 is in approximate rectangular parallelepiped structure, with close with the structure of hard shell battery, it is convenient for
Each battery unit 100 is arranged in the babinet of battery modules, in general, width direction Y row of each rectangular parallelepiped structure along battery cell
Row.
In order to ensure the first monomer connector 30, second comonomer connector 40 and the first lug 11, the assembly of the second lug 12
Precision, be provided with the first position limiting structure on the first monomer connector 30 and second comonomer connector 40, first shell 50 and the
At least one of two shells 60 are provided with the second position limiting structure, and the first position limiting structure is adapted with the second position limiting structure.
Specifically, can be using one as groove in the first position limiting structure and the second position limiting structure, another one is protrusion, protrusion
It is inserted into groove, groove is arranged in such as edge of the first monomer connector 30, and the top of first shell 50 is provided with protrusion.
When battery modules are provided with multiple battery units 100, each battery unit 100 is connected with each other, can be in parallel, also may be used
It is connect with combination in parallel with series connection, or series connection, specific connection type is determined according to each parameter of battery modules.For side
Just the connection of each battery unit 100, monomer connector further include support portion 32, and support portion 32 is connected to the edge of side 31, respectively
Battery unit 100 is connected with each other by support portion 32.
Further, the connection of each battery unit 100 for convenience, battery modules further include adjacent at least two of connection
The unit connector 200 of battery unit 100, unit connector 200 are connected to support portion 32, that is to say, that each battery unit 100
It is connected by unit connector 200, such as Fig. 1.Support portion 32 is set to side of the monomer connector far from battery cell, has
Contact plane, contact plane are fitted and connected with unit connector 200, with the company of adding unit connector 200 and monomer connector
Connect reliability.
With reference to shown in figure 9- Figure 10, unit connector 200 includes ontology 201 and at least two pins 202, i.e. pin 202
There are two being arranged, three, four or more, unit connector 200 as shown in Figure 9 setting there are two pin 202,
There are four pins 202 for the setting of unit connector 200 shown in Fig. 10, and each pin 202 is connected to ontology 201, in each battery
When unit 100 is connected with each other, each pin 202 and the support portion 32 of each battery unit 100 connect one to one.As only needed to connect
When adjacent two battery units 100, it can be connected by unit connector 200 as shown in Figure 9, to realize two battery lists
Member 100 it is in series or in parallel；When multiple battery units 100 connect, such as four battery units 100 connect, may be used as
Unit connector 200 shown in Fig. 10, four 100 through-thickness of battery unit arrangements, a unit connector 200 connect simultaneously
The support portion 32 of four battery units 100 is connect, to realize the parallel connection of four battery units 100；Certainly, include in battery modules
When more than two battery units 100, unit connector 200 as shown in Figure 9 can also be used to realize the string of each battery unit 100
Connection, in parallel or combination connection.
Specifically, each side 31 has body construction 313, and as Figure 6-Figure 7, body construction 313 includes being located at homonymy
The first bonding pad and the second bonding pad, the second bonding pad relative to the first bonding pad be recessed be arranged, 311 shape of the first connection structure
At in the first bonding pad；Second connection structure 312 is set to the second bonding pad.That is, the second bonding pad is by body construction
313 side-facing depressions are formed, and the part of side protrusion is the first bonding pad, which is the first connection knot
Structure 311；Second connection structure 312 is set to the second bonding pad, and such as the second connection structure 312 is embedded in the second bonding pad.Pass through
The mode of this recess can save the volume of monomer connector, improve the energy density of each battery unit 100.
In a kind of embodiment, as shown in fig. 7, in same monomer connector, two sides 31 share the same bulk junction
Structure 313, i.e. two sides 31 are in integral structure, and there are two opposite sides for the tool of body construction 313, each side all has
First connection structure 311 and the second connection structure 312, it is clear that the thickness of this mode, entire monomer connector is smaller, can
The volume for saving battery unit 100, further increases the energy density of battery modules.Wherein, thickness refers to monomer connector in electricity
The size of the thickness direction Y of pond monomer.
When being provided with support portion 32, support portion 32 can be of an L-shaped structure with side 31, and this structure can either increase list
The intensity of body connector, and convenient for the connection of the first lug 11, the second lug 12 and monomer connector.
In another embodiment, as shown in fig. 6, in the same monomer connector, respectively there are one this for tool for two sides 31
Body structure 313, two body constructions 313 are oppositely arranged, and each body construction 313 forms the first bonding pad and the second bonding pad, adopts
With the mode of two body constructions 313, the intensity of each side 31 can be increased.Preferably, two body constructions 313 are in the two phase
The first connection structure 311 and the second connection structure 312 is arranged in two sides deviated from, at this point, two sides 31 can mutually interconnect
It connects, in order to the welding of monomer connector and the first lug 11, the second lug 12.
When being provided with support portion 32, two sides 31 are connected by support portion 32, and support portion 32 is set to side 31
Side, monomer connector can form U-shaped structure, can further increase the intensity of monomer connector.It is set in monomer connector
When being equipped with the second card slot 33, the U-type groove of U-shaped structure is also used as the second card slot 33, first shell 50 and second shell 60
Second clamping portion 52 is inserted into the U-type groove.
Above-mentioned first connection structure 311, the second connection structure 312 are arranged along the short transverse Z of battery cell, that is to say, that
Along the length direction X of battery cell, the second bonding pad penetrates through body construction 313, and the second connection structure 312 covers entire second and connects
Area is met, as Figure 6-Figure 7, in order to the manufacture of monomer connector.Refering to what is shown in Fig. 2, showing that the first connection structure 311 is set
It is placed in side of the side 31 far from battery cell, the first lug 11 and the first connection structure 311 are welded, welding position distance second
Connection structure about 3~5mm；Second lug 12 and the second connection structure 312 are welded, the first connection structure of welding position distance 311
About 3~5mm.
Wherein, side 31, support portion 32 can be platy structure, in order to monomer connecting member forming, such as monomer connector
Pass through metal plate base material bending forming.
If it is to be appreciated that the joint face and the second connection structure 312 of the first connection structure 311 and the first lug 11 and
The joint face of two lugs 12 is in hierarchic structure, in the first lug 11, the connection of the second lug 12, can cause the first lug 11, the
The subregion bending of two lugs 12 is serious or forms interval with monomer connector, influences battery cell and monomer connector
Connection reliability.In order to solve this problem, in same side 31, the joint face of the first connection structure 311 and the first lug 11 and
Second connection structure 312 and the joint face of the second lug 12 are coplanar with, so that side 31 connects the first lug 11 or second
The one side of lug 12 is planar structure, is conducive to the first lug 11 and is connect with second with the first connection structure 311, the second lug 12
The fitting of structure 312.
No matter it is the first lug in the size of above-mentioned thickness direction Y that side 31, which uses which kind of mode, the second connection structure 312,
Twice or more of 11 thickness, to ensure the welding quality of the first lug 11 and the second connection structure 312.
Optionally, the first connection structure 311 is identical with the material of the first lug 11, the second connection structure 312 and the second pole
The material of ear is identical, after such setting, can further facilitate the welding of battery cell and monomer connector.It is being provided with ontology
When structure 313, body construction 313 can be identical as the material of the first connection structure 311.
For the ease of the manufacture of monomer connector, support portion 32 is identical as the material of the first connection structure 311.
Can be anode ear with the first lug 11 in the various embodiments described above, the second lug 12 is negative electrode lug, is especially connected first
Can be aluminium with the material of the first lug 11, the first connection structure 311 when binding structure 311 is identical as the material of the first lug 11,
Second lug 12, the second connection structure 312 material be copper.In this embodiment, optionally, the first connection structure 311 is compared with
Two connection structures 312 are close to support portion 32, and the second bonding pad penetrates through body construction 313 along the side of above-mentioned short transverse Z, to have
It is set to the second bonding pad conducive to the second connection structure 312.It is of course also possible to the first lug 11 is negative electrode lug, the second lug 12
For anode ear.
In addition, battery modules further include circuit board 300 and electrical connector 400, as shown in Fig. 1, Fig. 8, for each battery
Unit 100 in battery modules other components or connect with the other devices outside battery modules.In general, circuit board 300 is set
It is placed on support portion 32, electrical connector 400 can be welding wire, connection circuit board 300 and monomer connector.
Specifically, support portion 32 can be in hierarchic structure, and hierarchic structure include the first cascaded surface 321 set gradually, the
Two cascaded surfaces 322 and third cascaded surface 323, as shown in fig. 6, the first cascaded surface 321 is connected compared with third cascaded surface 323 far from first
Structure 311；Unit connector 200 is connected to the first cascaded surface 321；Circuit board 300 is overlapped in third cascaded surface 323；Electrical connection
One end of part 400 is connected to the second cascaded surface 322, and the other end is connected to circuit board 300.By the way that hierarchic structure is arranged, make circuit
Plate 300 and the top surface of monomer connector are spaced, to prevent other components in the device and battery modules on circuit board 300
It interferes, more particularly to avoid interfering with unit connector 200 as far as possible；And by increasing the second cascaded surface 322, energy
Enough reduce the difference in height at 400 both ends of electrical connector, and then alleviate the bending angle of electrical connector 400, increases electrical connector 400
Intensity.
Optionally, the first cascaded surface 321 is plane, and electrical connector 400, can without departing from the face where the first cascaded surface 321
It is equal to height (the side where height of electrical connector 400 with the difference in height between the first cascaded surface 321 and the second cascaded surface 322
To the short transverse Z for battery cell).
In the U-shaped structure of monomer connector, along the perforation direction of the U-type groove of U-shaped structure, 30 He of the first monomer connector
Second comonomer connector 40 is oppositely arranged along the length direction X of battery cell, i.e., two the first cascaded surfaces 321 are disposed adjacent, such as
Shown in Fig. 1.When monomer connector is of an L-shaped structure, support portion 32 can be slab construction, in order to process.
It should be noted that hierarchic structure can also only include the first cascaded surface 321 and third cascaded surface 323, such as Fig. 3 institutes
Show, electrical connector 400 is connected to one end of the second cascaded surface 322 and is connected to the first cascaded surface 321 at this time.
Optionally, battery modules can also include liner 500, and lining is provided between circuit board 300 and third cascaded surface 323
Pad 500 causes short circuit to prevent the device on circuit board 300 from being contacted with side 31.
Further, it is preferable to difference in height between the second cascaded surface 322 and third cascaded surface 323 be equal to circuit board 300 with
The sum of the thickness of liner 500, to further reduce the bending angle of electrical connector 400.
It should be noted that being retouched including two battery cells with a battery unit 100 in the various embodiments described above
It states, but in the application, the number of the battery cell in battery unit 100 is not limited to two, can be three or more
Multiple battery cells.
Secondly, welding described above can be ultrasonic bonding.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of battery modules, which is characterized in that including at least one battery unit, the battery unit includes：
At least two battery cells, each battery cell include the first lug and the second lug；
At least one monomer connector, the monomer connector include opposite two sides, and each side is provided with first
Connection structure and the second connection structure, first connection structure are different from the material of the second connection structure；
In the same battery unit, each first lug is connect with first connection structure；Each second pole
Ear is connect with second connection structure.
2. battery modules according to claim 1, which is characterized in that each side has body construction, the ontology
Structure includes positioned at the first bonding pad and the second bonding pad of homonymy, and second bonding pad is recessed relative to first bonding pad
Setting is fallen into, first connection structure is formed in first bonding pad；Second connection structure is set to described second and connects
Meet area.
3. battery modules according to claim 1, which is characterized in that in the same side, first connection structure
Joint face that the joint face and second connection structure being connect with first lug are connect with second lug is coplanar to be set
It sets.
4. battery modules according to claim 2, which is characterized in that two sides share the same bulk junction
Structure.
5. battery modules according to claim 4, which is characterized in that the monomer connector further includes support portion, described
Support portion is connected to the edge of the side, and the support portion is of an L-shaped structure with the side.
6. according to claim 1-3 any one of them battery modules, which is characterized in that the monomer connector further includes support
Portion, two sides are connected by the support portion, so that the U-shaped structure of monomer connector.
7. according to claim 1-3 any one of them battery modules, which is characterized in that first connection structure and described the
The material of one lug is identical；Second connection structure is identical as the material of the second lug.
8. according to claim 1-3 any one of them battery modules, which is characterized in that further include connecting adjacent at least two
The unit connector of the battery unit,
The monomer connector further includes support portion, and the support portion is connected to the edge of the side, the unit connector
It is connected to the support portion.
9. battery modules according to claim 8, which is characterized in that the support portion is in hierarchic structure, the ladder knot
Structure includes the first cascaded surface, the second cascaded surface and third cascaded surface set gradually, the first cascaded surface third rank
Tread is far from first connection structure；
The unit connector is connected to first cascaded surface；
The battery modules further include circuit board, electrical connector, and the circuit board is overlapped in the third cascaded surface；It is described to be electrically connected
One end of fitting is connected to second cascaded surface, and the other end is connected to the circuit board.
10. battery modules according to claim 9, which is characterized in that first cascaded surface is plane, the electrical connection
Part is without departing from the face where first cascaded surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820254092.XU CN207818709U (en) | 2018-02-12 | 2018-02-12 | Battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820254092.XU CN207818709U (en) | 2018-02-12 | 2018-02-12 | Battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207818709U true CN207818709U (en) | 2018-09-04 |
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ID=63321002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820254092.XU Active CN207818709U (en) | 2018-02-12 | 2018-02-12 | Battery modules |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243225A (en) * | 2021-11-28 | 2022-03-25 | 郑州佛光发电设备有限公司 | Quick connecting device for series connection of battery monomers |
-
2018
- 2018-02-12 CN CN201820254092.XU patent/CN207818709U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243225A (en) * | 2021-11-28 | 2022-03-25 | 郑州佛光发电设备有限公司 | Quick connecting device for series connection of battery monomers |
| CN114243225B (en) * | 2021-11-28 | 2024-03-22 | 郑州佛光发电设备股份有限公司 | Quick connecting device for series connection between battery monomers |
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