CN104659402A - Power battery bunching module structure of electric automobile - Google Patents

Power battery bunching module structure of electric automobile Download PDF

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Publication number
CN104659402A
CN104659402A CN201510059836.3A CN201510059836A CN104659402A CN 104659402 A CN104659402 A CN 104659402A CN 201510059836 A CN201510059836 A CN 201510059836A CN 104659402 A CN104659402 A CN 104659402A
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CN
China
Prior art keywords
power battery
submodule
electric automobile
mould block
module
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Granted
Application number
CN201510059836.3A
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Chinese (zh)
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CN104659402B (en
Inventor
韩建方
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ruichang Hua Jing Electric Drive Technology Co., Ltd.
Original Assignee
杨小丽
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Priority to CN201510059836.3A priority Critical patent/CN104659402B/en
Publication of CN104659402A publication Critical patent/CN104659402A/en
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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating condition, e.g. level or density of the electrolyte
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/572Means for preventing undesired use or discharge
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/572Means for preventing undesired use or discharge
    • H01M50/574Devices or arrangements for the interruption of current
    • H01M50/581Devices or arrangements for the interruption of current in response to temperature
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The invention relates to a power battery bunching module structure of an electric automobile. An bunching module assembly comprises a plurality of sub modules, wherein each sub module is provided with an insulation shielding shell in a wrapping mode; a box cap is provided with a detecting unit which is internally provided with a plurality of internal elements correspondingly connected with the sub modules; the internal elements are connected with the sub modules by leads. The power battery bunching module structure is simple in structure, and is novel and reasonable in design; not only can the parallel combination of monomer batteries and the sub modules in the modules be realized, but also the serial combination of the sub modules in the modules can also been realized; an installation technology is simple; the connection is convenient; each sub module can be convenient to detect, maintain, replace and the like; the battery loss can be reduced effectively; the use effect is good; the insulation protective cover on the box cap and fuses can effectively prevent short circuits of circuits and electric shock to maintaining personnel; the safety of the power battery is improved; the safety hazard caused by collision, short circuit, overcharging and overdischarging can be prevented effectively; the power battery bunching module structure of an electric automobile has the relatively wide application range, and the relatively good social prospect and market popularization value.

Description

Electric automobile power battery gang mould block structure
Technical field
The present invention relates to electric automobile power battery field, the electric automobile power battery gang mould block structure that particularly a kind of structure is simple, reasonable in design, repair and maintenance convenient, maintenance cost is cheap.
Background technology
In view of the consideration of energy-saving and emission-reduction, protection of the environment aspect, electric automobile replaces oil-engine driven regular fuel automobile gradually, the main flow direction of to take storage battery as the electric automobile of the energy be current research.The battery module of existing electric automobile adopts the connected mode of not establishing submodule in module mostly, no matter cell all in parallel or cell strings combining in module, all be difficult to split, after breaking down, also fault point cannot be sub-divided into the inside of battery module, be only suitable for module whole to change, the difficulty of carrying out regular maintenance is larger, maintenance cost remains high, and makes storage battery be difficult to centralized management and withdrawal process, scraps storage battery and easily run off and produce pollution.
Summary of the invention
For deficiency of the prior art, the invention provides a kind of structure simple, reasonable in design, safeguard, overhaul electric automobile power battery gang mould block structure easily, battery module is subdivided into several independently submodules, not only make battery maintenance convenient, and energy early detection fault, fault is limited in submodule, even if change, changed be also only battery module some/mono-, greatly reduce the loss that battery is scrapped, the economical operation for electric automobile provides simple, practical technical scheme.
According to design provided by the present invention, a kind of electric automobile power battery gang mould block structure, comprise the module be in groups located in battery case fit, battery case top is provided with lid, module zoarium comprises several submodules in groups, be electrically connected between adjacent submodule, described submodule is composed in parallel by some cells arranged in matrix, each submodule bag is provided with insulation shielding housing, cell is horizontally placed in insulation shielding housing along its length, described lid is provided with detecting unit, some built-in elements of connecting corresponding to submodule are respectively provided with in detecting unit, built-in element is connected with submodule by wire.
Above-mentioned, in parallel or series connection between adjacent submodule.
Above-mentioned, in submodule, the positive and negative electrode at neighboring unit cell two ends is connected in parallel by metallic conduction sheet, is connected in series or is connected in parallel between submodule by metallic conduction sheet.
Preferably, described metallic conduction sheet is fixed by laser welding or resistance spot welding and cell or submodule.
Above-mentioned; the insulating protective cover that lid comprises lid and arranges with lid buckle; lid is provided with positive and negative electrode binding post and output wiring terminal; one end of positive and negative electrode binding post respectively with the corresponding electrical connection of positive and negative electrode afflux terminal of module zoarium in groups; the other end of negative terminal is connected with negative pole output lead; the other end of positive terminal is connected with fuse one end, and the fuse other end is connected with positive pole output lead by positive terminal.
Preferably, described lid offers draw-in groove, the both sides of insulating protective cover are respectively arranged with the clamp matched with draw-in groove.
Preferably, described lid offers run through box body length direction and " L " type draw-in groove be flexibly connected with insulating protective cover.
Above-mentioned, described detecting unit comprises socket and is arranged at the built-in element in socket, and described built-in element is plug-in unit, and external checkout equipment is communicated with submodule phase signals by plug-in unit.
Above-mentioned, described cell is cylindrical cell.
Above-mentioned, described insulation shielding housing is the insulation shell that front and back ends opens wide.
Electric automobile power battery gang mould block structured beneficial effect of the present invention:
Electric automobile power battery gang mould block structure of the present invention is simple, novel in design, rationally, both cell in module can be realized, the parallel combination of submodule, also the tandem compound of submodule in module can be realized, mounting process is simple, easy to connect, insulation shielding housing is wrapped in submodule periphery, each submodule is made all to become the separate unit of electrokinetic cell gang mould bulk inner, external checkout equipment (routine handheld reader or external BMS system) can read the signal datas such as the voltage/current of single independent sub-modules by plug-in unit, thus the convenient detection to single submodule, safeguard, change, can early detection fault, effective reduction battery loss, and disassemble with easy for installation, result of use is good, insulating protective cover on lid and fuse effectively can also prevent line short, the electric shock of maintenance personal, improve the fail safe of electrokinetic cell, effectively can prevent collision, short circuit, overcharge, the potential safety hazard that overdischarge brings, applied widely, there is good social prospect and market popularization value.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention.
embodiment:
Number in the figure 1 represents box body, label 2 represents submodule, label 21 represents insulation shielding housing, label 22 represents cell, label 23 represents positive afflux terminal, label 24 represents negative afflux terminal, label 25 represents the metallic conduction sheet connecting cell, label 26 represents the metallic conduction sheet of connexon module, label 3 represents lid, label 31 represents draw-in groove, label 32 represents positive output wire, label 33 represents negative output wire, label 34 represents detecting unit, label 35 represents fuse, label 36 represents output wiring terminal, label 4 represents insulating protective cover, label 41 represents clamp.
Below in conjunction with accompanying drawing and technical scheme, the present invention is further detailed explanation, and describe embodiments of the present invention in detail by preferred embodiment, but embodiments of the present invention are not limited to this.
Embodiment one, shown in Figure 1, a kind of electric automobile power battery gang mould block structure, comprise the module be in groups located in battery case fit, battery case top is provided with lid, module zoarium comprises several submodules in groups, be electrically connected between adjacent submodule, described submodule is composed in parallel by some cells arranged in matrix, each submodule bag is provided with insulation shielding housing, cell is horizontally placed in insulation shielding housing along its length, described lid is provided with detecting unit, some built-in elements of connecting corresponding to submodule are respectively provided with in detecting unit, built-in element is connected with submodule by wire.
Above-mentioned, in parallel or series connection between adjacent submodule, connected in series or in parallel by adjacent submodule, realize the complete of module zoarium in groups and or string and connected mode, meet voltage and the capacity requirement of the various electrokinetic cell of electric automobile and battery pack, applied widely.
Above-mentioned, the positive and negative electrode of submodule neighboring unit cell is connected in parallel by metallic conduction sheet, is connected in series or is connected in parallel between submodule by metallic conduction sheet.
Preferably, in described submodule, the positive and negative electrode at neighboring unit cell two ends is connected in parallel by metallic conduction sheet, is connected in series or is connected in parallel between submodule by metallic conduction sheet, and the mode of employing laser welding, resistance spot welding makes it firmly be communicated with.
Above-mentioned, the insulating protective cover that lid comprises lid and arranges with lid buckle, lid is just provided with, negative terminal and output wiring terminal, just, one end of negative terminal respectively with module zoarium in groups just, the corresponding electrical connection of negative pole currect collecting terminal, the other end of negative terminal is connected with negative pole output lead, the other end of positive terminal is connected with fuse one end, the fuse other end is connected with positive pole output lead by positive terminal, fuse and battery module is made to form series relationship, play the effect of overcurrent fusing, effective guarantee electrokinetic cell safety and reliability in use.
Preferably, described box body offers draw-in groove, the both sides of insulating protective cover are respectively arranged with the clamp matched with draw-in groove.
Preferably, described lid offers and runs through lid length direction and " L " type draw-in groove be flexibly connected with insulating protective cover, it is firm to fix, insulating protective cover is buckled in the draw-in groove on lid, when needing to open, by pinching tight insulating protective cover top, by reducing or increase the tension force of insulating protective cover clamp, fix smoothly or open insulating protective cover, by insulating protective cover both sides clamp slides in draw-in groove embed or slide taking-up, operation uses convenient, module zoarium loads in battery case in groups, lid is gluing with battery case or be welded to connect into the overall structure of positive cuboid.
Above-mentioned, described detecting unit comprises socket and is arranged at the built-in element (not shown in FIG.) in socket, described built-in element is plug-in unit, external checkout equipment is communicated with submodule phase signals by plug-in unit, external checkout equipment can be external BMS system or handheld reader, detect convenient, effectively raise the efficiency.
Above-mentioned, described cell is cylindrical cell.
Above-mentioned, described insulation shielding housing is the insulation shell that front and back ends opens wide, and carries out efficiently radiates heat, ensures electrokinetic cell reliability of operation.
Structure of the present invention is simple, novel in design, rationally, the connection in series-parallel combination of cell can be realized as required, mounting process is simple, easy to connect, insulation shielding housing is wrapped in submodule periphery, each submodule is made all to become the separate unit of electrokinetic cell gang mould block, external checkout equipment (the BMS system in routine handheld reader or the external world) can read the signal datas such as the voltage/current of single independent sub-modules by plug-in unit, thus the convenient detection to single submodule, safeguard, change, effective reduction battery loss, and result of use is good, for battery capacity needed for different model automobile, by configuring corresponding submodule quantity to meet the demand of power aspect, applied widely, there is good social prospect and market popularization value, for family-sized car common in the market or electric taxi, 15 cell parallel connections become submodule by insulation shielding shell combination, 10 same submodules are in series or in parallel with each other, battery module can be formed, battery pack is formed again by the battery module of varying number, meet the demand of power aspect, if wherein certain battery module occurs abnormal, by detecting unit, detect the electric current of the submodule of this battery module inside, voltage data, breakdown judge is refine to submodule, separately it safeguarded or change, detect easy to maintenance, and do not affect normal use.
The present invention is not limited to above-mentioned embodiment, and those skilled in the art also can make multiple change accordingly, but to be anyly equal to the present invention or similar change all should be encompassed in the scope of the claims in the present invention.

Claims (10)

1. an electric automobile power battery gang mould block structure, comprise the module be in groups located in battery case fit, battery case top is provided with lid, it is characterized in that: module zoarium comprises several submodules in groups, be electrically connected between adjacent submodule, described submodule is composed in parallel by some cells arranged in matrix, each submodule bag is provided with insulation shielding housing, cell is horizontally placed in insulation shielding housing along its length, described lid is provided with detecting unit, some built-in elements of connecting corresponding to submodule are respectively provided with in detecting unit, built-in element is connected with submodule by wire.
2. electric automobile power battery gang mould block structure according to claim 1, is characterized in that: in parallel or series connection between adjacent submodule.
3. electric automobile power battery gang mould block structure according to claim 1, it is characterized in that: in submodule, the positive and negative electrode at neighboring unit cell two ends is connected in parallel by metallic conduction sheet, is connected in series or is connected in parallel between submodule by metallic conduction sheet.
4. electric automobile power battery gang mould block structure according to claim 3, is characterized in that: described metallic conduction sheet is fixed by laser welding or resistance spot welding and cell or submodule.
5. electric automobile power battery gang mould block structure according to claim 1; it is characterized in that: the insulating protective cover that lid comprises lid and arranges with lid buckle; lid is provided with positive and negative electrode binding post and output wiring terminal; one end of positive and negative electrode binding post respectively with the corresponding electrical connection of positive and negative electrode afflux terminal of module zoarium in groups; the other end of negative terminal is connected with negative pole output lead; the other end of positive terminal is connected with fuse one end, and the fuse other end is connected with positive pole output lead by positive terminal.
6. electric automobile power battery gang mould block structure according to claim 5, is characterized in that: described lid offers draw-in groove, and the both sides of insulating protective cover are respectively arranged with the clamp matched with draw-in groove.
7. the electric automobile power battery gang mould block structure according to any one of claim 5 or 6, is characterized in that: described lid offers and runs through box body length direction and " L " type draw-in groove be flexibly connected with insulating protective cover.
8. electric automobile power battery gang mould block structure according to claim 1, it is characterized in that: described detecting unit comprises socket and is arranged at the built-in element in socket, described built-in element is plug-in unit, and external checkout equipment is communicated with submodule phase signals by plug-in unit.
9. electric automobile power battery gang mould block structure according to claim 1, is characterized in that: described cell is cylindrical cell.
10. electric automobile power battery gang mould block structure according to claim 1, is characterized in that: described insulation shielding housing is the insulation shell that front and back ends opens wide.
CN201510059836.3A 2015-02-05 2015-02-05 Electric automobile power battery modular structure in groups Active CN104659402B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN104659402A true CN104659402A (en) 2015-05-27
CN104659402B CN104659402B (en) 2017-03-08

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105720220A (en) * 2016-04-18 2016-06-29 力帆实业(集团)股份有限公司 Power battery of electric automobile
CN111354985A (en) * 2018-12-20 2020-06-30 加百裕工业股份有限公司 Battery positioning method of battery module array
CN112510312A (en) * 2020-11-09 2021-03-16 东风汽车集团有限公司 Power battery box of electric vehicle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101517780A (en) * 2006-09-18 2009-08-26 株式会社Lg化学 Battery module, and middle or large-sized battery pack containing the same
CN201893387U (en) * 2010-12-15 2011-07-06 宁波海锂子新能源有限公司 Battery module combination
CN204391206U (en) * 2015-02-05 2015-06-10 杨小丽 Electric automobile power battery gang mould block structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101517780A (en) * 2006-09-18 2009-08-26 株式会社Lg化学 Battery module, and middle or large-sized battery pack containing the same
CN201893387U (en) * 2010-12-15 2011-07-06 宁波海锂子新能源有限公司 Battery module combination
CN204391206U (en) * 2015-02-05 2015-06-10 杨小丽 Electric automobile power battery gang mould block structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105720220A (en) * 2016-04-18 2016-06-29 力帆实业(集团)股份有限公司 Power battery of electric automobile
CN105720220B (en) * 2016-04-18 2018-08-07 力帆实业(集团)股份有限公司 A kind of electric automobile power battery
CN111354985A (en) * 2018-12-20 2020-06-30 加百裕工业股份有限公司 Battery positioning method of battery module array
CN112510312A (en) * 2020-11-09 2021-03-16 东风汽车集团有限公司 Power battery box of electric vehicle

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Effective date of registration: 20170925

Address after: 332200, South District, Ruichang gold industry park, Jiangxi, Jiujiang province (No. 7 East Ring Road)

Patentee after: Ruichang Hua Jing Electric Drive Technology Co., Ltd.

Address before: 450000, No. 1, Dongfeng Road, Jinshui District, Henan, Zhengzhou, building 35, No. 12

Patentee before: Yang Xiaoli