CN205429046U - Battery frame frame and battery frame frame subassembly and battery module - Google Patents
Battery frame frame and battery frame frame subassembly and battery module Download PDFInfo
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- CN205429046U CN205429046U CN201620221166.0U CN201620221166U CN205429046U CN 205429046 U CN205429046 U CN 205429046U CN 201620221166 U CN201620221166 U CN 201620221166U CN 205429046 U CN205429046 U CN 205429046U
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- battery
- frame
- chassis body
- shell fragment
- battery frame
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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 field specifically, relates to a battery frame frame and battery frame frame subassembly and battery module. The utility model provides a battery frame frame subassembly includes frame main part and the curb plate that is located frame main part edge, the frame main part with the curb plate surrounds to form accepts the accommodating space of battery, is provided with at least one in the frame main part to keeping away from the shell fragment that the accommodating space direction is extended. The utility model provides a battery frame frame not only has the function of stationary battery, still provides good heat dispersion simultaneously, can also effectively compensate the inside fastening force variation of lithium ion battery dimensional change and module, alleviates the change that battery that electric core inflation caused piles up the direction load.
Description
Technical field
The application relates to field of batteries, specifically, relates to a kind of battery frame and battery frame assembly and battery modules.
Background technology
Lithium ion battery industry development was rapid in recent years, application constantly expands, emergence in particular with new-energy automobile, make capacity of lithium ion battery do bigger and bigger, power more and more higher, the battery core quantity accommodated in battery bag and module is also continuously increased, this just the biggest to the safety formation of battery modules challenge.Two the critically important factors affecting battery modules safety are temperature and structure.
Battery core can produce heat in charge and discharge process, a lot of battery cores produced heat that is stacked can not shed in time, temperature will constantly raise, the too high meeting of temperature has a strong impact on battery core cycle life, battery catches fire can be caused time serious, consequence is hardly imaginable, and this is accomplished by battery modules and arranges radiator structure in the design.Additionally, battery core is along with the carrying out of discharge and recharge, the most constantly expand, the particularly performance on Soft Roll and square electric cell is the most obvious, battery core quantity in module is the most, and the impact that battery core expands is the biggest, may affect the electrical property of battery core, even result in the destruction of modular structure, cause serious consequence.
At present about having heat radiation concurrently and compensating the battery frame expanded and include that the patent of battery module of this framework and technology report are few in number.Disclosed a kind of lithium ion battery module, presss from both sides a conducting strip between each two battery core, on the cooling body bottom heat conduction to module；It addition, be provided with portable plate and flexible member in one end of module, absorb the expansion of battery core with this.This technical scheme has a disadvantage in that 1. structures are complicated, and parts are more, requires the highest to manufacture and mounting process, and cost is high；2. elastic component is placed on one end of module, and battery core expands in charge and discharge cycles, and the displacement causing the battery core near elastic component is all battery core displacement sums, i.e. offsets excessive, lug may be caused to connect unreliable.
For the defect of prior art, special proposition the application.
Summary of the invention
The primary goal of the invention of the application is to propose a kind of battery frame.
Second goal of the invention of the application is to propose a kind of battery modules.
In order to complete the purpose of the application, the technical scheme of employing is:
The application relates to a kind of battery frame, including chassis body and the side plate being positioned at described chassis body edge, described chassis body and described side plate surround and form the receiving space housing battery, described chassis body are provided with at least one to the shell fragment extended away from described receiving space direction.
Preferably, described shell fragment includes elastic bending part and contact site, and described elastic bending part connects described contact site and described chassis body, forms elastic gap between described contact site and described chassis body.
Preferably, described shell fragment is multiple, and the size forming elastic gap between the contact site of each shell fragment with described chassis body is identical.
Preferably, described chassis body is provided with through hole, and described elastic bending part is connected with a side of described through hole.
Preferably, described chassis body is parallel with described contact site.
Preferably, described receiving space has at least one for battery core along the opening with the assembling of described battery frame parallel direction.
Preferably, the both sides of one end of the close described opening in described chassis body are respectively provided with installing hole.
Preferably, described side plate, described shell fragment are integrated setting with described chassis body.
The application further relates to a kind of battery module, battery frame and battery core including the application, it is characterized in that, it is provided with backing plate between described battery core and described chassis body, each described battery frame, described backing plate and the battery core being fixed in described battery frame form a battery module unit, and multiple described battery module unit are arranged successively along battery core thickness direction.
In the battery module of the application, in each described battery module unit, the contact site of shell fragment is all fixing with another battery module unit is connected.
The Advantageous Effects that the technical scheme of the application can reach is:
1, by the innovation of traditional structure is improved so that battery frame has the function of self-contained battery, also provides for good radiator structure, improves the service life of battery and the safety of structure of module simultaneously.By adding shell fragment, effective compensation lithium ion battery change in size and the change of module internal fastening force in traditional package assembly, alleviating battery core and expand the change of the cell stacks direction load caused, improve the performance of battery, effect is obvious.
2, in the application, the expansion of each battery core can be absorbed by the shell fragment of self adjacent battery frame automatically, will not impact other batteries, improves battery modules electrical connection and reliability of structure.
3, the battery frame simple in construction of the application, easy to process, production cost is low.
4, the battery module of the application facilitates in groups, is suitable for automated production.
Below in conjunction with the drawings and specific embodiments, this utility model is described further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the battery frame of the application；
Fig. 2 is the side view of the battery frame of the application；
Fig. 3 is the battery frame schematic diagram with battery core assembling of the application；
Fig. 4 is the schematic diagram after battery frame and the battery core of the application is assembled；
Fig. 5 is the schematic diagram of the battery modules of the application；
Fig. 6 is the battery frame schematic diagram in a certain detailed description of the invention；
Fig. 7 is the battery frame assembling schematic diagram in a certain detailed description of the invention；
Wherein:
1-battery frame；
11-chassis body；
12-installing hole；
13-shell fragment；
14-side plate；
13-shell fragment；
131-elastic bending part；
132-contact site；
2-battery core；
3-backing plate；
4-air channel.
Below in conjunction with specific embodiment, the application is expanded on further.Should be understood that these embodiments are merely to illustrate the application rather than limit scope of the present application.
Detailed description of the invention
In the application, a kind of battery frame 1 is proposed, including chassis body 11 and the side plate 14 being positioned at chassis body 11 edge, chassis body 11 and side plate 14 surround the receiving space formed for housing battery core 2, chassis body 11 are provided with at least one to the shell fragment 13 extended away from described receiving space direction.Side plate 14 is preferably perpendicular to chassis body 11.Side plate 14 can be positioned only at a side of chassis body 11, or is positioned only at two sides of chassis body 11, or all arranges at three sides of chassis body 11, or all arranges at four sides of chassis body 11.Preferably, three sides in chassis body 11 all arrange side plate 14, thus form one on receiving space for battery core 2 along the opening assembled with described battery frame 11 parallel direction.
In use, battery core is positioned in receiving space, in order to strengthen the steadiness combined between battery core 2 and battery frame 1, can battery core 2 be pasted with in chassis body 11, the side plate being positioned at chassis body edge plays the effect improving battery frame 1 intensity and positioning battery core 2.This battery frame has heat radiation concurrently and compensates expansion effect.Its structural representation is as shown in Figure 1.
Preferably, the material of battery frame 1 is steel or aluminium alloy.Side plate 14, shell fragment 13 are integrated setting with chassis body 11, and are preferably prepared from by the direct punch forming of steel plate or aluminium alloy plate.Shell fragment 13 includes elastic bending part 131 and contact site 132, and elastic bending part 131 connects contact site 132 and chassis body 11, forms elastic gap between contact site 132 and chassis body 11.Preferably, contact site 132 is parallel with chassis body 11, as shown in Figure 2.
Preferably, the angle formed between elastic bending part 131 and chassis body 11 is 10 °～45 °.
Further, it is further preferred that chassis body 11 is rectangle, side plate 14 is arranged on three sides of chassis body 11, and battery core 2 is the secondary cell of tabular, thus battery core 2 is accommodated in chassis body 11.Its schematic diagram as it is shown on figure 3, the schematic diagram after Zhuan Pei as shown in Figure 4.Preferably, shell fragment 13 sets in a row along the length direction of chassis body 11.
Preferably, shell fragment 13 is multiple, and the size forming elastic gap between the contact site 132 of each shell fragment 13 and chassis body 11 is identical.
Forming as it was previously stated, shell fragment 13 preferably prepares punch forming, therefore, chassis body is provided with through hole, elastic bending part 131 is connected with a side of through hole.
Preferably, receiving space has at least one for battery core 2 along the opening assembled with described battery frame 11 parallel direction.
Preferably, the both sides of one end of the close opening in chassis body 11 are respectively arranged with installing hole, are used for installing battery straps support.
In a certain detailed description of the invention of the application, chassis body 11 is rectangle, and side plate 14 is arranged on three sides of chassis body 11, and shell fragment 13 is the side that string the length direction along chassis body 11 are arranged at chassis body.Its schematic diagram as shown in Figure 6, install, and the schematic diagram after assembling is as shown in Figure 7 by two identical chassis body.
The still another embodiment of the application proposes a kind of battery module, including aforementioned battery frame 1 and battery core 2, backing plate 3 it is provided with between battery core 2 and chassis body 11, each battery frame 11, backing plate 3 and the battery core 2 being fixed in battery frame form a battery module unit, and multiple battery module unit are arranged successively along battery core thickness direction.The battery module stacked by battery module unit forms gap in the side with shell fragment, thus forms the air channel 4 heat radiation for battery at gap location.Its schematic diagram is as shown in Figure 5.
Preferably, backing plate 3 has insulation heat-conducting property, and its material is metal material and arranges insulating barrier in its surface, and backing plate 3 adapts with the size of battery core 2.
Preferably, in each battery module unit, the contact site 132 of shell fragment is all fixing with another battery module unit is connected.
Preferably, contact site 132 can fixing with the contact site 132 of another battery module unit be connected, or can fixing with the chassis body 11 of another battery module unit be connected, or can fixing with the battery core face of another battery module unit be connected.
I.e., the arrangement mode of battery module unit has the most several, one be battery module unit that multiple structure is identical with have the one side of shell fragment front, be provided with the one side of battery core after be sequentially connected with, this connected mode needs to be connected fixing with the exposed face of battery core for the contact site of shell fragment.Two is that two battery module unit have the face of shell fragment relatively, after fixing connection, the battery module unit after fixing two-by-two is fitted tightly with battery core exposed face, arranges successively.Wherein, also having two kinds of fixed installation modes between two faces with shell fragment, a kind of to be that the contact site of shell fragment is fixing connect, as shown in Figure 5.Another kind is that the fixed part of shell fragment is fixedly connected in the chassis body of another battery module unit, as shown in Figure 7 respectively.
When two pieces of battery module unit are extruded by cell expansion, the angle of shell fragment 13 elastic bending part 131 and contact site 132 also improves the elastic strength of shell fragment 13, thus battery modules can bear bigger pretightning force.Air channel 4 can be formed in the place having battery frame shell fragment 13, the heat that battery produces in charge and discharge process, by backing plate conduction to chassis body 11 and shell fragment 13, the cooling system in battery bag makes cool breeze blow over air channel 4, thus heat is taken away, battery is implemented cooling；When a battery swells, battery frame is squeezed, shell fragment 13 is by the most anti-elastic deformation of giving birth to, air channel 4 spacing between battery module unit diminishes, thus the stress in battery module counter will not give birth to big change, module overall dimensions counter will not give birth to any change, and this structure has reached heat radiation and compensated the purpose expanded, respond well.
Embodiment 1
A kind of battery frame having heat radiation concurrently and compensating expansion, as it is shown in figure 1, include chassis body 11, square hole 12, shell fragment 13, side plate 14.Side plate 14 and shell fragment 13 are that side plate 14 is distributed on three limits of chassis body 11, and is perpendicular to chassis body 11 from chassis body 11 direct punch forming, form receiving room, can place at least one battery core in receiving room.
As in figure 2 it is shown, shell fragment 13 is divided into elastic bending part 131 and contact site 132, elastic bending 131 to be 10 °～45 ° with chassis body 11 angle, contact site 132 is parallel with chassis body 11.
Having two installing holes 12 in chassis body, installing hole 12 is near the one end without side plate, and is distributed in both sides, is used for installing self-contained battery group conductor rail support.
Such as Fig. 4, battery 2 is placed in the receiving room that battery frame is formed, and middle added with backing plate 3, chassis body 1, backing plate 3 and battery 2 are fixed together, and fit tightly, and form a battery module unit.Fig. 3 is assembling schematic diagram.
A kind of battery module, arranged successively along battery core thickness direction by above-mentioned multiple battery module unit and form, battery module unit is the arrangement of back-to-back form, it may be assumed that by the placement that fits mutually between the exposed face of battery core in the fixing connection of contact site 132 of shell fragment, battery module unit between battery module unit.Two battery module unit use in the position of shell fragment contact site 132 and are welded and fixed.As shown in Figure 5.
Embodiment 2
Seeing Fig. 6, difference from Example 1 is: the shell fragment 2 on battery frame 1 is narrower, and is positioned at the side of chassis body 1.
Corresponding module, such as Fig. 7, during assembling, two pieces of battery frameworks coordinate back-to-back, and the shell fragment 13 of one piece of battery framework 1 is fixedly connected in the chassis body 11 of another block battery framework 1.The battery module unit of battery frame 1, backing plate 3 and battery 2 composition is being arranged successively along battery core thickness direction, and other implementation is the most same as in Example 1.
The announcement of book and guidance according to the above description, those skilled in the art in the invention can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the invention is not limited in detailed description of the invention disclosed and described above, should also be as some modifications and changes of the present invention falling in the scope of the claims of the present invention.Although additionally, employ some specific terms in this specification, but these terms are merely for convenience of description, the present invention is not constituted any restriction.
Claims (10)
1. a battery frame, including chassis body and the side plate being positioned at described chassis body edge, described chassis body and described side plate surround and form the receiving space housing battery, it is characterised in that be provided with at least one in described chassis body to the shell fragment extended away from described receiving space direction.
Battery frame the most according to claim 1, it is characterised in that described shell fragment includes elastic bending part and contact site, described elastic bending part connects described contact site and described chassis body, forms elastic gap between described contact site and described chassis body.
Battery frame the most according to claim 2, it is characterised in that described shell fragment is multiple, and the size forming elastic gap between the contact site of each shell fragment with described chassis body is identical.
Battery frame the most according to claim 2, it is characterised in that described chassis body is provided with through hole, described elastic bending part is connected with a side of described through hole.
Battery frame the most according to claim 2, it is characterised in that described chassis body is parallel with described contact site.
Battery frame the most according to claim 1, it is characterised in that there is at least one for battery core on described receiving space along the opening with the assembling of described battery frame parallel direction.
7. according to the battery frame described in claim 6 any claim, it is characterised in that the both sides of one end of the close described opening in described chassis body are respectively provided with installing hole.
Battery frame the most according to claim 1, it is characterised in that described side plate, described shell fragment and described chassis body are integrated setting.
9. a battery module, including the battery frame described in claim 1～8 any claim and battery core, it is characterized in that, it is provided with backing plate between described battery core and described chassis body, each described battery frame, described backing plate and the battery core being fixed in described battery frame form a battery module unit, and multiple described battery module unit are arranged successively along battery core thickness direction.
Battery module the most according to claim 9, it is characterised in that in each described battery module unit, the contact site of shell fragment is all fixing with another battery module unit is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620221166.0U CN205429046U (en) | 2016-03-22 | 2016-03-22 | Battery frame frame and battery frame frame subassembly and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620221166.0U CN205429046U (en) | 2016-03-22 | 2016-03-22 | Battery frame frame and battery frame frame subassembly and battery module |
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| Publication Number | Publication Date |
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| CN205429046U true CN205429046U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620221166.0U Active CN205429046U (en) | 2016-03-22 | 2016-03-22 | Battery frame frame and battery frame frame subassembly and battery module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240656A (en) * | 2017-07-04 | 2017-10-10 | ***电子科技（镇江）有限公司 | Battery core fixed structure inside a kind of battery bag |
| CN109148755A (en) * | 2017-06-19 | 2019-01-04 | 德韧汽车控股（英国）有限公司 | Battery carrier frame and its manufacturing method |
| CN109428025A (en) * | 2017-08-31 | 2019-03-05 | 宁德时代新能源科技股份有限公司 | Fixing frame, battery unit and battery module |
-
2016
- 2016-03-22 CN CN201620221166.0U patent/CN205429046U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148755A (en) * | 2017-06-19 | 2019-01-04 | 德韧汽车控股（英国）有限公司 | Battery carrier frame and its manufacturing method |
| CN109148755B (en) * | 2017-06-19 | 2022-08-09 | 德韧汽车控股（英国）有限公司 | Battery carrier frame and method for manufacturing same |
| CN107240656A (en) * | 2017-07-04 | 2017-10-10 | ***电子科技（镇江）有限公司 | Battery core fixed structure inside a kind of battery bag |
| CN107240656B (en) * | 2017-07-04 | 2023-06-02 | ***电子科技（镇江）有限公司 | Battery pack internal cell fixing structure |
| CN109428025A (en) * | 2017-08-31 | 2019-03-05 | 宁德时代新能源科技股份有限公司 | Fixing frame, battery unit and battery module |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |