CN204596862U - Lithium battery module - Google Patents
Lithium battery module Download PDFInfo
- Publication number
- CN204596862U CN204596862U CN201520327497.8U CN201520327497U CN204596862U CN 204596862 U CN204596862 U CN 204596862U CN 201520327497 U CN201520327497 U CN 201520327497U CN 204596862 U CN204596862 U CN 204596862U
- Authority
- CN
- China
- Prior art keywords
- module
- battery core
- cover plate
- battery
- lower cover
- 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.)
- Active
Links
Classifications
-
- 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 discloses a kind of lithium battery module, it comprises module coaming plate, side by side parallel is arranged and by module coaming plate institute around and be columniform multiple battery core, with module coaming plate secure fit to surround the module lower cover of battery core or module upper cover plate and for battery core being carried out the electric connecting sheet that connection in series-parallel is connected.The utility model can solve the complicated connection in series-parallel of column lithium ion battery in groups time structure, connection, signals collecting and heat radiation technical problem, can realize in integrated cylindrical battery modular structure inside the fixing of battery core and electrical connection, realize the collection to battery core voltage temperature and the cooling heat dissipation to battery core, product is more reliably safer.
Description
Technical field
The utility model relates to a kind of lithium battery module.
Background technology
Lithium-ion-power cell module is the core component of pure electronic, motor vehicle driven by mixed power electrokinetic cell system, good and bad direct relation of its design and have influence on performance and the life-span of whole battery system.The lithium-ion-power cell type selecting of current electric automobile mainly contains cylindrical battery, rectangular cell, soft-package battery three kinds, and the application of cylindrical battery in electric automobile power battery system occupies significant proportion.Because the capacity of column lithium ion monomer is all smaller, multiple battery core that often needs in groups of column lithium ion battery module carries out parallel connection and serial connection, and the burst mode of this complexity proposes very high designing requirement to the arrangement of battery modules, electrical connection, signals collecting and heat radiation.The burst mode of this complexity proposes very high designing requirement to the arrangement of battery modules, electrical connection, signals collecting and heat radiation, is also a great problem in the industry.
Utility model content
The utility model object is: provide a kind of lithium battery module, can solve the complicated connection in series-parallel of column lithium ion battery in groups time structure, connection, signals collecting and heat radiation technical problem.
The technical solution of the utility model is: a kind of lithium battery module, and it comprises: module coaming plate, side by side parallel arrange and by module coaming plate institute around and be columniform multiple battery core, with module coaming plate secure fit to surround the module lower cover of battery core or module upper cover plate and for battery core being carried out the electric connecting sheet that connection in series-parallel is connected.
On the basis of technique scheme, comprise following attached technical scheme further:
Described module coaming plate both ends open also closes its corresponding opening by module lower cover is corresponding with module upper cover plate, and described module lower cover and module upper cover plate are equipped with multiple battery core mounting groove, and the number of battery core mounting groove is less than the number of battery core.
The bottom land of described battery core mounting groove has multiple via hole, and the quantity of via hole is identical with the quantity of battery core, wherein the shape of battery core mounting groove and the mating shapes of electric connecting sheet, and the surface contact of electric connecting sheet and via hole.
On the same axis, described module lower cover, module upper cover plate, module coaming plate three are fixedly connected with by multiple bolt at the center of described each battery core and corresponding via hole.
Described module lower cover and module upper cover plate are equipped with and are positioned at battery core mounting groove positioned at intervals battery core and multiple air channels boss that can ventilate, and air channel boss inner hollow and hollow area curved or shaped as frame at least partly.
Comprise the collection wire harness be arranged between the upper and lower cover plate of module and electric connecting sheet and the wiring harness cover plate covering collection wire harness and the upper and lower cover plate of module further.
Described electric connecting sheet is the compound electric brace of copper nickel laser welding, and wiring harness cover plate and the upper and lower cover plate of module are that buckle is connected.
The utility model advantage is:
Can solve the complicated connection in series-parallel of column lithium ion battery in groups time structure, connection, signals collecting and heat radiation technical problem, can realize in integrated cylindrical battery modular structure inside the fixing of battery core and electrical connection, realize the collection to battery core voltage temperature and the cooling heat dissipation to battery core, product is more reliably safer.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is the explosive view in the utility model embodiment;
Fig. 2 is the stereogram of module coaming plate in the utility model embodiment;
Fig. 3 is the structure chart of module lower cover one end in the utility model embodiment;
Fig. 4 is the structure chart of the module lower cover other end in the utility model embodiment; ;
Fig. 5 is the structure chart of module upper cover plate one end in the utility model embodiment;
Fig. 6 is the structure chart of the module upper cover plate other end in the utility model embodiment;
Fig. 7 is the structure chart of electric connecting sheet in the utility model embodiment.
Embodiment
Embodiment: as shown in figs. 1-7, the utility model provides a kind of specific embodiment of lithium battery module, it comprises: module coaming plate 10, side by side parallel arrange and by module coaming plate 10 around multiple battery cores 20, with module coaming plate 10 secure fit to surround module lower cover 30 or the module upper cover plate 32 of battery core 20, for battery core 20 being carried out the electric connecting sheet 40 of connection in series-parallel connection, 42, be arranged on module, lower cover 32, 30 and electric connecting sheet 40, collection wire harness 60 between 42, and cover on collection wire harness 60 and module, lower cover 32, the wiring harness cover plate 50 of 30, 52.In this example, every 3 battery cores are also unified into one group, and 12 groups of battery cores are composed in series a battery modules, and electric connecting sheet 40,42 is the compound electric brace of copper nickel laser welding.
In the present embodiment, module coaming plate 10 both ends open also closes its corresponding opening by module lower cover 30 is corresponding with module upper cover plate 32, and module coaming plate 10 also one end open and the other end can be closed and also can realize the utility model object.
Shown in composition graphs 3-6, module lower cover 30 and module upper cover plate 32 be equipped with multiple battery core mounting groove 301,321, be positioned at multiple via holes on the bottom land of battery core mounting groove 301,321 302,322, be positioned at battery core mounting groove 301,322 and positioned at intervals battery core 20 and multiple air channels boss 303,323 that can ventilate and the multiple wire harness grooves 304,324 be disposed adjacent with air channel boss 303,323, the lower surface wire harness groove 304,324 that wherein battery core mounting groove 301,321 is positioned at module lower cover 30 or module upper cover plate 32 is then located thereon end face.The number of battery core mounting groove 301,321 is less than the number of battery core 20, the quantity of via hole 302,322 is identical with the quantity of battery core 20, the wherein shape of battery core mounting groove 301,321 and the mating shapes of electric connecting sheet 40,42, and the surface contact of electric connecting sheet 40,42 and via hole 302,322.On the same axis, described module lower cover 30, module upper cover plate 32, module coaming plate 10 three are fixedly connected with by multiple bolt at the center of each battery core 20 and corresponding via hole 302,322.Module lower cover 30 and module upper cover plate 32 are equipped with, and air channel boss 303,323 inner hollow and hollow area curved or shaped as frame or other regular shapes at least partly.Put into corresponding electric connecting sheet in each battery core mounting groove respectively, electric connecting sheet contacts with battery core mounting groove, namely the surface contact of electric connecting sheet and via hole 302,322, but the two does not exist the relation of being fixedly connected with.Each battery core 20 has identical axis with corresponding via hole 302,322, during installation, the both positive and negative polarity of battery core 20 is respectively charged into module lower cover 30 and contacts with corresponding electric connecting sheet with in the battery core mounting groove of module upper cover plate 32, module lower cover 30 and module upper cover plate 32 are interconnected by the bolt fixing point of 9 on module coaming plate 10, and its two ends are fixedly connected in the bolt hole of module lower cover 30 and module upper cover plate 32 respectively.In this example, the shape of air channel boss 303,323 is arranged to difformity according to module radiating requirements, the formation of integral air duct shape is by the hot simulation result optimization of CFD, under this kind of air channel state, the battery core at module center is dispelled the heat more even with the battery core of module periphery, all battery core temperature rises are basically identical, and this plays a good role to keeping the voltage consistency of lithium battery.
As shown in Figure 7; electric connecting sheet 40,42 in this example is formed by the copper sheet of complicated shape and nickel sheet laser welding; the cross-sectional area of electric connecting sheet is under the prerequisite of requirement meeting conductivity; ensure that its larger surface area as far as possible; in the normal work of battery modules; the temperature of electric connecting sheet usually can higher than the temperature of battery core, and namely the temperature sampling point therefore in this example is arranged at copper nickel compound electric brace surface.The connection of copper nickel compound electric brace and battery core monomer adopts laser welding mode, laser welding efficiency is higher, welding is reliable, the overcurrent capability of weld is very strong, Laser Welding contact in this example can stand the pulling force of 300N after tested and not be destroyed, this can keep higher reliability in the environment for use of Automobile Complex, because the requirement of laser welding to material is higher, therefore needs nickel to be used as welding material in electric connecting sheet.Electric connecting sheet 40 wherein between module lower cover 30 and battery core 20 is the first electric connecting sheet, and the electric connecting sheet 42 between module upper cover plate 32 and battery core 20 is the second brace, first electric connecting sheet is made up of the first electrical connection sub-pieces 401 that eight plate shapes are identical in the present embodiment, and the second electric connecting sheet is made up of three kinds of difform second electrical connection sub-pieces 420,421,422, the shape being electrically connected sub-pieces is then mated mutually with the shape of battery core mounting groove 301,321.
As shown in Fig. 1,5,6, by gathering voltage and the temperature of often organizing battery core in wire harness 60 acquisition monitoring module in this example, wherein 13 is voltage acquisition wire harness, 4 temperature acquisition wire harness, collection point lays respectively at the upper surface of module lower cover 30 and module upper cover plate 32, for ensureing the cabling of collection wire harness and fixing, the upper surface of module lower cover 30 and module upper cover plate 32 arranges wire harness groove 304,324 respectively, and the width of wire harness groove 304,324 needs slightly less of than beam diameter fixing collection wire harness 60.
Again as shown in Figure 1, the wiring harness cover plate 50,52 be provided with respectively at the two ends of battery modules, it exposes for preventing electric connecting sheet and gathering wire harness, insulating protection is carried out to battery modules, this adopts buckle to be connected to the side of module lower cover 30 and module upper cover plate 32 to wiring harness cover plate 50,52 respectively, have 8 buckle points, buckle can adopt existing various buckle.
Due to the handling characteristics of battery modules, the every service condition of its demand fulfillment, therefore also use light material as far as possible, thus the weight reducing battery modules improves energy density, in this example, a large amount of nylon that uses adds glass fiber material, both met insulation and loss of weight object, and higher overall mechanical strength can have been obtained again.
The utility model for the complicated connection in series-parallel of column lithium ion battery in groups time electrical connection design and processes, the new design of battery core voltage temperature signals collecting mode, the design of battery core radiator structure, adopts the frame mode of copper nickel compound piece and realizes some connection through laser welding.For the design of battery core temperature acquisition, temperature acquisition point is arranged on the highest position, the two poles of the earth of battery core heating maximum temperature by the utility model.For the heat dissipation design of battery core, the utility model adopts design that is circular and rhombus ventilation hole to coordinate, and make Uniform Ventilation between battery core, battery core radiating effect is consistent.
The utility model has the advantages that and can realize the fixing of battery core and electrical connection in integrated cylindrical battery modular structure inside, realize the collection to battery core voltage temperature and the cooling heat dissipation to battery core.
Certain above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalent transformations of doing according to the Spirit Essence of the utility model main technical schemes or modification, all should be encompassed within protection range of the present utility model.
Claims (7)
1. a lithium battery module, is characterized in that it comprises: module coaming plate (10), side by side parallel arrange and by module coaming plate (10) institute around and be columniform multiple battery core (20), with module coaming plate (10) secure fit to surround the module lower cover (30) of battery core (20) or module upper cover plate (32) and for battery core (20) being carried out the electric connecting sheet (40,42) that connection in series-parallel is connected.
2. a kind of lithium battery module as claimed in claim 1, it is characterized in that: described module coaming plate (10) both ends open also closes its corresponding opening by module lower cover (30) is corresponding with module upper cover plate (32), described module lower cover (30) and module upper cover plate (32) are equipped with multiple battery core mounting groove (301,321), and the number of battery core mounting groove (301,321) is less than the number of battery core (20).
3. a kind of lithium battery module as claimed in claim 2, it is characterized in that: the bottom land of described battery core mounting groove (301,321) has multiple via hole (302,322), and the quantity of via hole (302,322) is identical with the quantity of battery core (20), the wherein shape of battery core mounting groove (301,321) and the mating shapes of electric connecting sheet (40,42), and the surface contact of electric connecting sheet (40,42) and via hole (302,322).
4. a kind of lithium battery module as claimed in claim 3, it is characterized in that: on the same axis, described module lower cover (30), module upper cover plate (32), module coaming plate (10) three are fixedly connected with by multiple bolt at the center of described each battery core (20) and corresponding via hole (302,322).
5. a kind of lithium battery module as described in Claims 2 or 3 or 4, it is characterized in that: described module lower cover (30) and module upper cover plate (32) are equipped with and are positioned at battery core mounting groove (301,321) positioned at intervals battery core and multiple air channels boss (303,323) that can ventilate, and air channel boss (303,323) inner hollow and hollow area curved or shaped as frame at least partly.
6. a kind of lithium battery module as described in Claims 2 or 3 or 4, is characterized in that comprising further the collection wire harness (60) be arranged between the upper and lower cover plate of module (32,30) and electric connecting sheet (40,42) and a pair wiring harness cover plate (50,52) covering collection wire harness (60) and the upper and lower cover plate of module (32,30).
7. a kind of lithium battery module as claimed in claim 6, it is characterized in that: the compound electric brace that described electric connecting sheet (40,42) is copper nickel laser welding, wiring harness cover plate (50,52) with the upper and lower cover plate of module (32,30) for buckle is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520327497.8U CN204596862U (en) | 2015-05-20 | 2015-05-20 | Lithium battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520327497.8U CN204596862U (en) | 2015-05-20 | 2015-05-20 | Lithium battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204596862U true CN204596862U (en) | 2015-08-26 |
Family
ID=53932982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520327497.8U Active CN204596862U (en) | 2015-05-20 | 2015-05-20 | Lithium battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204596862U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914320A (en) * | 2016-07-04 | 2016-08-31 | 河南森源重工有限公司 | Cylindrical battery module for electric automobile |
| CN105977426A (en) * | 2016-07-12 | 2016-09-28 | 河南森源重工有限公司 | Liquid cooling tank and electric automobile power battery with same |
| CN106784438A (en) * | 2016-12-16 | 2017-05-31 | 安徽江淮汽车集团股份有限公司 | A kind of lithium-ions battery module cover plate |
| CN108075051A (en) * | 2016-11-16 | 2018-05-25 | 奥动新能源汽车科技有限公司 | Power battery module and the power battery box with power battery module |
| CN116093528A (en) * | 2023-03-06 | 2023-05-09 | 苏州时代华景新能源有限公司 | Battery pack |
-
2015
- 2015-05-20 CN CN201520327497.8U patent/CN204596862U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914320A (en) * | 2016-07-04 | 2016-08-31 | 河南森源重工有限公司 | Cylindrical battery module for electric automobile |
| CN105977426A (en) * | 2016-07-12 | 2016-09-28 | 河南森源重工有限公司 | Liquid cooling tank and electric automobile power battery with same |
| CN105977426B (en) * | 2016-07-12 | 2019-04-26 | 河南森源重工有限公司 | A kind of electric automobile power battery and its liquid cooling case with liquid cooling case |
| CN108075051A (en) * | 2016-11-16 | 2018-05-25 | 奥动新能源汽车科技有限公司 | Power battery module and the power battery box with power battery module |
| CN106784438A (en) * | 2016-12-16 | 2017-05-31 | 安徽江淮汽车集团股份有限公司 | A kind of lithium-ions battery module cover plate |
| CN106784438B (en) * | 2016-12-16 | 2019-06-04 | 安徽江淮汽车集团股份有限公司 | A kind of lithium-ions battery mould group cover board |
| CN116093528A (en) * | 2023-03-06 | 2023-05-09 | 苏州时代华景新能源有限公司 | Battery pack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204596862U (en) | Lithium battery module | |
| CN205069771U (en) | Block structure of lithium ion battery group | |
| CN202758944U (en) | Serial-parallel connection combination structure of storage battery sets | |
| CN202633426U (en) | Cylindrical power battery combination connecting device | |
| CN111599955A (en) | Non-module aluminum-shell battery module and aluminum-shell battery | |
| CN104157821A (en) | Power battery box and printed circuit board (PCB) adapter plate | |
| CN204029911U (en) | Power battery box and PCB keyset thereof | |
| CN207993947U (en) | Connection in series-parallel modular electric storage battery group | |
| CN206076348U (en) | Battery modules | |
| CN205921026U (en) | Battery module | |
| CN106784561A (en) | Negative pole confluxes busbar and battery modules | |
| CN206516685U (en) | A kind of cylinder type lithium battery group | |
| CN205488273U (en) | Group battery parallel connection device | |
| CN218677310U (en) | Battery module | |
| CN201336333Y (en) | Battery pack | |
| CN107394082B (en) | Universal module structure for square battery cell | |
| CN105977555A (en) | Modular battery pack system | |
| CN206313014U (en) | Negative pole confluxes busbar and battery modules | |
| CN207637883U (en) | A kind of electric connection structure and its battery pack of no module state battery core | |
| CN213782117U (en) | Lithium battery heat dissipation device | |
| CN202564444U (en) | Connection component for soft-packed battery pack | |
| CN206076354U (en) | Battery modules | |
| CN204230360U (en) | A kind of block structure being applied to track type lithium battery | |
| CN202178320U (en) | 500Ah lithium ion power battery module | |
| CN208028117U (en) | A kind of series connection of cylindrical battery and parallel-connection structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220712 Address after: 315336 no.198, Yinwan East Road, Hangzhou Bay New District, Ningbo City, Zhejiang Province Patentee after: WEIRUI ELECTRIC AUTOMOBILE TECHNOLOGY (NINGBO) Co.,Ltd. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: 215026 4a, No. 78 Xinglin street, Suzhou Industrial Park, Jiangsu Province Patentee before: VIRIDI E-MOBILITY TECHNOLOGY (SUZHOU) CO.,LTD. |
|
| TR01 | Transfer of patent right |