CN206179972U - Battery module - Google Patents
Battery module Download PDFInfo
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- CN206179972U CN206179972U CN201621290270.1U CN201621290270U CN206179972U CN 206179972 U CN206179972 U CN 206179972U CN 201621290270 U CN201621290270 U CN 201621290270U CN 206179972 U CN206179972 U CN 206179972U
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- connecting portion
- side plate
- battery modules
- plate
- connector
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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
The utility model relates to a battery technical field especially relates to a battery module, and it includes module output stage post, anodal utmost point ear, negative pole utmost point ear and connecting piece, the connecting piece is including fixed mutually first connecting portion and second connecting portion, first connecting portion with module output stage post links to each other, the second connecting portion with anodal utmost point ear or the laminating of negative pole utmost point ear is fixed. Battery module that this application provided has increased the connecting piece, and this connecting piece can be connected between module output stage post and anodal utmost point ear or negative pole utmost point ear, therefore after this connecting piece is connected with anodal utmost point ear or negative pole utmost point ear, can prevent better that anodal utmost point ear or negative pole utmost point ear are in fixed in -process appearance deformation to this realizes the electric attended operation between each anodal utmost point ear or each negative pole utmost point ear more easily.
Description
Technical field
The application is related to battery structure technical field, more particularly to a kind of battery modules.
Background technology
With the continuous popularization of new energy technology, using battery modules have become as the energy it is relatively common by the way of.
A kind of two ends of traditional battery modules each extend over out multiple positive pole ears and multiple negative lugs, and multiple positive pole ears can be with
It is fastened to each other to realize the electrical connection between multiple positive pole ears, multiple negative lugs can be with fastened to each other realizing multiple negative poles
Electrical connection between lug.
However, as positive pole ear and negative lug are using than relatively thin structure, and both typically adopt aluminium, copper
The relatively soft material such as material, causes positive pole ear and negative lug to be easily deformed during fixation, and then increased
Realize the difficulty of the electrical connection between each positive pole ear and each negative lug.
Utility model content
This application provides a kind of battery modules, more easily to realize between each positive pole ear or each negative lug
Electrical connection operation.
The battery modules that the application is provided include module output pole, positive pole ear, negative lug and connector, the company
Fitting includes the first connecting portion mutually fixed and second connecting portion, and the first connecting portion is connected with module output pole,
The second connecting portion is fitted with the positive pole ear or the negative lug fixation.
Preferably, also including side plate, the first connecting portion extends to the another of the side plate from one end of the side plate
End, the connector form split-type structural with the side plate.
Preferably, the side on the side plate towards the first connecting portion arranges holding tank, the first connecting portion position
In the holding tank.
Preferably:
The side wall of the holding tank and the side location fit of the first connecting portion;
And/or, also including positioning hot molten column, the positioning hot molten column is arranged on the holding tank towards described first and connects
On the bottom surface of socket part, the first connecting portion is fixedly connected with the side plate by the positioning hot molten column.
Preferably, also including vibration-damped component, the vibration-damped component is arranged between the first connecting portion and the side plate.
Preferably, also including end plate, the one end for connecting the second connecting portion in the first connecting portion is first end, separately
One end is the second end, and also including auxiliary connecting portion, one end of the auxiliary connecting portion is connected to second end to the connector
Place, the other end pass through the end plate and are fixed on the end plate, and the auxiliary connecting portion passes through the end plate and the module
Output pole electrical connection.
Preferably, also including side plate, the first connecting portion, the second connecting portion and the side plate form integral type knot
Structure.
Preferably, the second connecting portion includes protuberance, and the protuberance is along the positive pole ear or described negative
The bearing of trend of pole lug extends, and the protrusion direction of the protuberance is near the direction of the side plate.
Preferably, also including end plate, the one end being connected with the first connecting portion on the side plate is the 3rd end, the other end
For the 4th end, also including auxiliary connecting portion, one end of the auxiliary connecting portion is connected at the 4th end, separately the connector
One end passes through the end plate and is fixed on the end plate, and the auxiliary connecting portion passes through the end plate and the module output stage
Post is electrically connected.
Preferably, the auxiliary connecting portion includes Part I that the end face with the end plate fits, and one end with
The Part II of the Part I connection, the other end of the Part II pass through the end plate.
The technical scheme that the application is provided can reach following beneficial effect:
Battery modules provided herein increased connector, and the connector can be connected to module output pole and just
Between pole lug or negative lug, therefore after the connector is connected with positive pole ear or negative lug, can be preferably
Prevent positive pole ear or negative lug from occurring deformation in fixation procedure, each positive pole ear or each is more easily realized with this
Electrical connection operation between negative lug.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary, this can not be limited
Application.
Description of the drawings
A kind of structural representation of battery modules that Fig. 1 is provided for the embodiment of the present application;
Fig. 2 is the enlarged drawing of part A in Fig. 1;
Explosive views of the Fig. 3 for structure shown in Fig. 1;
In another kind of battery modules that Fig. 4 is provided for the embodiment of the present application, the signal of side plate and the formed structure of connector
Figure;
Fig. 5 is the enlarged drawing of part B in Fig. 4;
Decomposing schematic representations of the Fig. 6 for structure shown in Fig. 4;
Structural representation of the battery modules that Fig. 7 is provided for the embodiment of the present application on other direction;
Decomposing schematic representations of the Fig. 8 for structure shown in Fig. 7.
Reference:
10- module casings;
100- end plates, 101a- side plates, 101b- side plates, 102- positioning hot molten columns;
11- positive pole ears;
121- connectors;
121a- first connecting portions, 121b- second connecting portions, 121c- auxiliary connecting portions;
122- connectors;
122a- first connecting portions, 122aa- protuberances, 122b- second connecting portions, 122c- auxiliary connecting portions;
13- vibration-damped components.
During accompanying drawing herein is merged in description and the part of this specification is constituted, show the enforcement for meeting the application
Example, and be used for explaining the principle of the application together with description.
Specific embodiment
Below by specific embodiment and combine accompanying drawing the application is described in further detail.
As shown in figures 1-8, the embodiment of the present application provides a kind of battery modules, and which includes module casing 10, positive pole ear
11st, negative lug (not shown), module output pole 14 and connector.
Module casing 10 may include the parts such as two end plates, 100, two side plates, and the side plate may be typically located at two end plates
Between 100, and side plate can extend along the short transverse of whole module casing 10.Battery main body is accommodated in module casing 10,
The positive pole ear 11 connected on each battery main body and negative lug stretch out end plate 100.For the ease of by each positive pole ear 11 and negative
Pole lug is secured together, and positive pole ear 11 and negative lug can be bent into L-shaped structure, and cause 11 He of each positive pole ear
Each negative lug is superimposed together, and then can will be each positive pole ear 11 and negative lug welded together by welding procedure.It is excellent
Selection of land, can be more convenient for implementing welding with this to be implemented welding operation herein by the way of ultrasonic bonding.
Module output pole 14 can include positive terminal and negative terminal, and positive terminal is needed to be electrically connected with positive pole ear 11, born
Pole needs to electrically connect with negative lug.The application is located at the not homonymy of battery modules especially for positive terminal and positive pole ear,
And/or, negative terminal is located at the situation of the not homonymy of battery with negative lug.
Connector may include the first connecting portion mutually fixed and second connecting portion, and the first connecting portion exports pole with module
14 are connected, and second connecting portion is fitted with positive pole ear or negative lug fixation.For example, first connecting portion can be connected with positive terminal
Connect, second connecting portion is fixed with positive pole ear, or, first connecting portion can be connected with negative terminal, second connecting portion and negative pole
Lug is fixed, and is specifically referred to Fig. 7 and Fig. 8.Connector can be made using aluminium, copper material or other materials.
Two kinds of versions of connector are set forth below, certainly, the concrete structure of connector is not limited to hereinafter described
Various structures, as long as being connected to, module exports pole 14 and the structure between positive pole ear 11 or negative lug all may be used
With.
The first, as Figure 1-3, connector 121 includes first connecting portion 121a mutually fixed and second connecting portion
121b, first connecting portion 121a extend to the other end of side plate 101a, whole connector 121 and side plate from one end of side plate 101a
101a forms split-type structural.That is, in this kind of embodiment, connector 121 and side plate 101a are relatively independent, are assembling
Both are secured together in journey, specifically this fixation between the two can be realized by threaded fastener.Second connecting portion
121b generally adopts slab construction, and which is fitted with positive pole ear 11 or negative lug.Due to connector 121 and side plate 101a phases
To independence, therefore this kind of structure can simplify the processing technique of connector 121 and side plate 101a
In order to reduce the space shared by battery modules, can on side plate 101a towards first connecting portion 121a side
Holding tank is set, and first connecting portion 121a is located in the holding tank.This holding tank with towards the bottom surface of first connecting portion 121a,
And the side wall being connected with the bottom surface.After first connecting portion 121a and side plate 101a fixation, holding tank can effectively reduce the
The distance that one connecting portion 121a is protruded relative to side plate 101a, even more so that first connecting portion 121a is overall relative to side plate 101a
Cave in.
Further, the side wall of holding tank can be with the side location fit of first connecting portion 121a.First is being connected
When portion 121a is put in holding tank, positioning of first connecting portion 121a in holding tank can be realized by the side wall of holding tank,
In order to rapidly first connecting portion 121a is fixed together with side plate 101a.In addition, this kind of structure can also lift first
Reliability after connecting portion 121a and side plate 101a fixations.
In addition, module casing 10 may also include positioning hot molten column 102, the positioning hot molten column 102 is arranged at the bottom of holding tank
On face, first connecting portion 121a is fixedly connected with side plate 101a by this positioning hot molten column 102.Specifically, position hot molten column 102
Outer peripheral face in an initial condition can be straight tube face, then first connecting portion 121a is positioned in holding tank so that positioning
Hot molten column 102 then carries out hot melt operation to positioning hot molten column 102 so that positioning heat through the hole in first connecting portion 121a
A part of structure of molten post 102 is thicker thinning, and this part can stop the movement tendency of connector 121, and then prevent first
Connecting portion 121a produces excessive relative motion with positioning hot molten column 102a and is even separated.For example, hot melt positioning hot molten column 102
Before, position hot molten column 102 4~5mm can be higher by relative to first connecting portion 121a, it is after hot melt positioning hot molten column 102, fixed
Position hot molten column 102 can be higher by 2~3mm relative to first connecting portion 121a.
In order to alleviate battery modules in use the problems such as vibration produces damage, above-mentioned battery modules can be with
Including vibration-damped component 13, the vibration-damped component 13 can be arranged between first connecting portion 121a and side plate 101a.13 stress of vibration-damped component
After can deform, and then play cushioning effect.Specifically, the vibration-damped component 13 can be vibration damping cotton.Assembling first connecting portion
During 121a, by applying active force to first connecting portion 121a so that vibration-damped component 13 deforms, and vibration-damped component 13 then can be compared with
Prevent from well positive pole tab welding face or negative lug solder side being caused to pull destruction due to vibration deformation, so as to ensure battery
The electrical connection intensity of module, improves the electrical connection properties of battery modules.
Above-mentioned connector 121 can connect positive pole ear or negative lug with one end, the other end directly with module output stage
Post 14 is electrically connected, but in order to further improve the bonding strength between connector 121 and module output pole 14, the connector
121 can also include auxiliary connecting portion 121c.The one end for connecting second connecting portion 121b in first connecting portion 121a can define
For first end, the other end is defined as the second end, aids in one end of connecting portion 121c be connected at this second end, and the other end is worn
Cross end plate 100 and be fixed on end plate 100, auxiliary connecting portion 121c exports pole 14 by end plate 100 and module and electrically connects.
After being arranged such, whole connector can export pole 14 by end plate 100 and module and electrically connect, and end plate 100 can play increasing
Plus the effect of the bonding strength between connector and module output pole 14.
Specifically, structure can be threaded on end plate 100, threaded fastener can pass through auxiliary connecting portion 121c,
And coordinate with the threaded fastener screw thread, realize aiding in the fixation between connecting portion 121c and end plate 100 with this.
Second, as Figure 4-Figure 6, connector 122 includes first connecting portion 122a mutually fixed and second connecting portion
122b, first connecting portion 122a, second connecting portion 122b and side plate 101b form integral structure.That is, whole connect
Part 122 can be integrally machined with side plate 101b, for example with the technique of integrated injection molding so that the side plate 101b parcels of plastic material
A part for first connecting portion 122a.This kind of structure can reduce the amount of parts of battery modules, and then improve battery modules
Efficiency of assembling, while the structure of battery modules can also be simplified.Also, as side plate 101b has an insulating properties, therefore can be with
Insulation protection is carried out to connector 122.In addition, being arranged such the space that can also reduce the occupancy of connector 122.
Further, second connecting portion 122a may include protuberance 122aa, and protuberance 122aa is along positive pole ear
Or the bearing of trend of negative lug extends, and its protrusion direction is near the direction of side plate 101b.Protuberance 122aa is caused
Connector 122 is overall to have certain elastic deformability, prevents connector 122 in assembling process because pressure is acted on this
There is destruction, while the fitted position required precision of connector 122 can also be reduced.In addition, this protuberance 122aa can also delay
Solution positive pole ear solder side or negative lug solder side pull destruction because what vibration was produced.
Corresponding to the first structure, in this kind of battery modules, connector 122 can also include auxiliary connecting portion 122c.Tool
Body ground, the one end being connected with first connecting portion 122a on side plate 101b are the 3rd end, and the other end is the 4th end, aids in connecting portion
One end of 122c can be connected at the 4th end, and the other end passes through end plate 100 and is fixed on end plate 100, aids in connecting portion
122c exports pole 14 by end plate 100 and module and electrically connects.
Side plate 101b can adopt PPT (plastic material)+GF (Glass Fiber, glass fibre) Heat Conduction Material, lug to fill
Divide the integral structure formed using connector 122 and side plate 101b, the heat of connector 122 is expanded by side plate 101b
Dissipate.
The auxiliary connecting portion mentioned in aforementioned two kinds of embodiments can specifically include that the end face with end plate 100 fits the
A part, and the Part II that one end is connected with Part I, the other end of the Part II pass through end plate 100.
In the above-mentioned battery modules that the embodiment of the present application is provided, positive pole ear or negative lug pass through connector and module
Output pole 14 is connected, and then plays reinforcement effect to positive pole ear or negative lug, can be better protected from positive pole pole
Ear or negative lug are in fixation procedure, or go out during installing pole piece after the completion of the welding of positive pole ear, negative lug
Now deform, the electrical connection operation between each positive pole ear or each negative lug is more easily realized with this.In addition, arranging above-mentioned
After connection sheet, even if the position of module output pole 14 there are different facilities, positive pole ear can be conveniently realized, born
Electrical connection between pole lug and module output pole 14.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of battery modules, it is characterised in that including module output pole, positive pole ear, negative lug and connector, described
Connector includes the first connecting portion mutually fixed and second connecting portion, and the first connecting portion exports pole phase with the module
Even, the second connecting portion is fitted with the positive pole ear or the negative lug fixation.
2. battery modules according to claim 1, it is characterised in that also including side plate, the first connecting portion is from described
One end of side plate extends to the other end of the side plate, and the connector forms split-type structural with the side plate.
3. battery modules according to claim 2, it is characterised in that towards the one of the first connecting portion on the side plate
Side arranges holding tank, and the first connecting portion is located in the holding tank.
4. battery modules according to claim 3, it is characterised in that:
The side wall of the holding tank and the side location fit of the first connecting portion;
And/or, also including positioning hot molten column, the positioning hot molten column is arranged on the holding tank towards the first connecting portion
Bottom surface on, the first connecting portion by it is described positioning hot molten column be fixedly connected with the side plate.
5. battery modules according to claim 2, it is characterised in that also including vibration-damped component, the vibration-damped component is arranged at institute
State between first connecting portion and the side plate.
6. battery modules according to claim 2, it is characterised in that also including end plate, connect in the first connecting portion
One end of the second connecting portion is first end, and the other end is the second end, and the connector also includes auxiliary connecting portion, described auxiliary
One end of connecting portion is helped to be connected at second end, the other end passes through the end plate and is fixed on the end plate, described auxiliary
Help connecting portion to export pole by the end plate and the module to electrically connect.
7. battery modules according to claim 1, it is characterised in that also including side plate, the first connecting portion, described
Two connecting portions and the side plate form integral structure.
8. battery modules according to claim 7, it is characterised in that the second connecting portion includes protuberance, described convex
Go out portion along the positive pole ear or the negative lug bearing of trend extend, and the protrusion direction of the protuberance be by
The direction of the nearly side plate.
9. battery modules according to claim 7, it is characterised in that also including end plate, with described first on the side plate
One end that connecting portion is connected is the 3rd end, and the other end is the 4th end, and also including auxiliary connecting portion, the auxiliary connects the connector
One end of socket part is connected at the 4th end, and the other end passes through the end plate and is fixed on the end plate, and the auxiliary connects
Socket part exports pole by the end plate and the module and electrically connects.
10. battery modules according to claim 6 or 9, it is characterised in that the auxiliary connecting portion includes and the end plate
The Part I that fits of end face, and the Part II that one end is connected with the Part I, the Part II it is another
One end passes through the end plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621290270.1U CN206179972U (en) | 2016-11-29 | 2016-11-29 | Battery module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621290270.1U CN206179972U (en) | 2016-11-29 | 2016-11-29 | Battery module |
Publications (1)
Publication Number | Publication Date |
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CN206179972U true CN206179972U (en) | 2017-05-17 |
Family
ID=60241719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621290270.1U Active CN206179972U (en) | 2016-11-29 | 2016-11-29 | Battery module |
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CN (1) | CN206179972U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110050361A (en) * | 2017-05-25 | 2019-07-23 | 株式会社Lg化学 | Battery module, the battery pack including battery module and the method for manufacturing battery module |
WO2019148634A1 (en) * | 2018-01-31 | 2019-08-08 | 宁德时代新能源科技股份有限公司 | Battery module |
-
2016
- 2016-11-29 CN CN201621290270.1U patent/CN206179972U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110050361A (en) * | 2017-05-25 | 2019-07-23 | 株式会社Lg化学 | Battery module, the battery pack including battery module and the method for manufacturing battery module |
CN110050361B (en) * | 2017-05-25 | 2023-04-28 | 株式会社Lg新能源 | Battery module, battery pack including the same, and method for manufacturing the same |
WO2019148634A1 (en) * | 2018-01-31 | 2019-08-08 | 宁德时代新能源科技股份有限公司 | Battery module |
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