CN106784508A - A kind of battery component for new-energy automobile - Google Patents

A kind of battery component for new-energy automobile Download PDF

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Publication number
CN106784508A
CN106784508A CN201710140603.5A CN201710140603A CN106784508A CN 106784508 A CN106784508 A CN 106784508A CN 201710140603 A CN201710140603 A CN 201710140603A CN 106784508 A CN106784508 A CN 106784508A
Authority
CN
China
Prior art keywords
battery
housing
inner bag
connecting portion
battery component
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.)
Pending
Application number
CN201710140603.5A
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Chinese (zh)
Inventor
季伟源
王乾
钱科
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.)
Suzhou Sol Zhixing New Energy Technology Co ltd
Original Assignee
Jiangsu Soul New Energy Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Soul New Energy Technology Co Ltd filed Critical Jiangsu Soul New Energy Technology Co Ltd
Priority to CN201710140603.5A priority Critical patent/CN106784508A/en
Priority to CN201720237058.7U priority patent/CN206497928U/en
Publication of CN106784508A publication Critical patent/CN106784508A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC 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
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/07Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6551Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • HELECTRICITY
    • H01ELECTRIC 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The present invention relates to a kind of battery component for new-energy automobile, it includes housing, it is placed on the multiple battery cores in housing, the separator separated cavity in multiple point chambers is arranged in housing, cell cover, radiating subassembly, control board, the horizontal in a row longitudinal direction in plurality of point of chamber is in column or longitudinal direction is in a row distributed, battery component also includes the inner bag in each point of chamber, battery core is correspondingly arranged in inner bag, separator inside has interconnected receiving space, battery component also includes the extinguishing chemical being filled in receiving space, radiating subassembly includes fin, heat-conducting piece, wherein the lower surface of the upper surface of heat-conducting piece and fin is spaced setting by control board.The present invention can comprehensively protect each battery core, increase the maximum usage amount of extinguishing chemical, while battery core reasonable layout, reduce the volume of battery component, additionally it is possible to battery core and control board are radiated in time, so as to the safe class of automobile is greatly improved.

Description

A kind of battery component for new-energy automobile
Technical field
The invention belongs to new energy cell art, and in particular to a kind of battery component for new-energy automobile.
Background technology
It is well known that driving automobile with battery storage energy after oil is generated electricity, the energy for being consumed about directly is used The 1/4 of fuel oil.Meanwhile, with the rise of environmentally friendly concept, the development more positive at present of various new energy vehicles.
The on-vehicle battery commonly used at present, in order to pursue energy density higher, most of producers use lithium battery.So And, the maximum shortcoming of lithium battery is that unstable and heating is high, when lithium battery is subject to outside collision deformation, easily accumulation High temperature, or even catching fire, blast.
And above-mentioned technical barrier is directed to, also there is the battery that some carry extinguishing property in market, and its cardinal principle is:In electricity The comprehensive cover type in side of core is provided with fire extinguishing bag, and the fire extinguishing bag filled with extinguishing chemical, once there is burning or quick-fried in battery core Fried, its fire extinguishing bag is destroyed, and extinguishing chemical can release and put out burning things which may cause a fire disaster, effectively prevent the spontaneous combustion of automobile, so that significantly Raising automobile safe class.
But, in practical operation, there is following detailed defect in it:
1)Because battery core is a three-dimensional shape, fire extinguishing bag comprehensively cannot carry out fire extinguishing treatment to battery core, therefore, it is possible to The time of burning things which may cause a fire disaster is put out in extension, reduces the safe class of automobile.
2)The finite capacity of fire extinguishing bag, it is impossible to ensure the effect of fire extinguishing.
3)The irrational distribution of battery core, the volume for directly resulting in battery is excessive, it is impossible to meet actual demand.
4)After battery temperature is too high, control board is easily damaged, core body is on fire, the probability of blast is also into multiplication Plus.
5)Once there is burning or explosion time, electric current is difficult to be cut off battery core, easily triggers bigger fire.
The content of the invention
In order to overcome the defect of prior art, it is an object of the invention to provide a kind of improved electricity for new-energy automobile Pond component.It can comprehensively protect each battery core, increase the maximum usage amount of extinguishing chemical, it is ensured that extinguishing effect, while electric Core reasonable layout, reduces the volume of battery component, meets actual requirement, additionally it is possible in time to battery core and control board Radiated, so as to the safe class of automobile is greatly improved.
To reach above-mentioned purpose, the present invention provides a kind of battery component for new-energy automobile, and it includes housing, places Multiple battery cores in housing, separator, cell cover, the radiating group separated cavity in multiple point chambers are arranged in housing Part, control board, the horizontal in a row longitudinal direction in plurality of point of chamber is in column or longitudinal direction is in a row distributed, and battery component also includes being located at Inner bag in each point of chamber, battery core is correspondingly arranged in inner bag, and separator inside has interconnected receiving space, battery pack Part also includes being filled in extinguishing chemical in receiving space, fin that radiating subassembly includes being fixedly installed in control board, The electrode slice upper end of bottom connection battery core and the heat-conducting piece offseted with the lower surface of control board, wherein heat-conducting piece are located at In housing, the lower surface of the upper surface of heat-conducting piece and fin is spaced setting by control board.
Preferably, heat-conducting piece is the series set of adjacent battery core of connecting, and heat-conducting piece include respectively with two neighboring battery core Electrode slice connection first connecting portion and second connecting portion and control board lower surface offset the 3rd connecting portion, even The 4th connecting portion and connection second connecting portion for connecing first connecting portion and the 3rd connecting portion are connected with the 5th of the 3rd connecting portion the Portion.
Preferably, battery component also includes the keeper for multiple inner bags and housing to be mutually located by connecting, the keeper Including the upper positioning unit for multiple inner bags and the top and bottom of housing mutually to be positioned and lower positioning unit.
A specific implementation of the invention and preferred aspect, point chamber longitudinal direction in a row distribution, upper positioning unit include edge Peripheral frame bar that case top outline sets and can be positioned on housing, in peripheral frame bar and with the layout of inner bag one by one Corresponding connection moulding, inner bag upper end is removably disposed on connection moulding, and connection moulding is integrally formed setting, and will be many Individual inner bag is spaced setting.
Preferably, lower positioning unit includes the parting bead that is raised up from the bottom surface of housing, the parting bead along housing width Direction extends, and the setting corresponding with separator of multiple parting beads, and the bottom of separator is erected on parting bead, after inner bag is installed, The side of inner bag is contradicted in the side of parting bead.
Further, lower positioning unit also includes having upwardly extended multiple spacer blocks and from outside housing from the both sides of parting bead The inwardly protruding formation lug boss in bottom of profile, wherein lug boss is distributed in each point of side in chamber, when inner bag is arranged on a point chamber When, lug boss and spacer block are contradicted in the following side of inner bag.
Further, the short slot extended along vertical direction is provided with spacer block and lug boss, is set in the periphery of inner bag There are the lug, nib that can be engaged with short slot, the height of the height less than or equal to spacer block of lug boss;The height sum of spacer block and parting bead It is the 1/6 ~ 1/3 of body height.
Another specific implementation of the invention and preferred aspect, cell cover is including lid body, on lid body The positive terminal and negative terminal at both ends, battery component are also included for control board to be connected with positive terminal and negative terminal respectively Logical conductive component, wherein positive terminal and negative terminal are respectively adopted diplopore interface, and lid body is in lamellar, and is stretched by aluminium section bar And the injection moulding that presses.
Additionally, above-mentioned battery core include positive plate, negative plate, be horizontally set between positive plate and negative plate multiple core bodys, And be fitted in respectively positive plate and negative plate lateral surface and contradict each core body both ends conducting strip, plurality of core body Be in parallel connection by the conducting strip of both sides, conducting strip include piece body, be arranged on piece body and with a pair of multiple core bodys 1 The water conservancy diversion contact site that should be set, when certain core body occurs explosion time, the end of core body can thrust or cause corresponding leading Flow the deformation of contact site so that water conservancy diversion contact site departs from core body, the circuit that the core body is formed disconnects.
Preferably, avoidance hole is formed with the piece body of core body end correspondence position, water conservancy diversion contact site is in avoidance hole It is interior and set with piece this body by integral forming.
Preferably, the length shared by the junction of water conservancy diversion contact site and piece body is avoid hole girth 1/20 ~ 1/6.
Another specific implementation of the invention and preferred aspect, it is rounded to avoid hole, water conservancy diversion contact site and piece body Junction shared by arc length be avoid hole girth 1/20 ~ 1/6.
Preferably, water conservancy diversion contact site is formed with the junction of piece body and is easy to water conservancy diversion contact site easily to be torn with what body departed from Line, the easy-torn line is constituted one section of circular arc for avoiding hole to avoid the center in hole as the center of circle.Further facilitate the change of water conservancy diversion contact site Shape and thrust.
Another specific implementation of the invention and preferred aspect, water conservancy diversion contact site are included from the circular periphery for avoiding hole The contact chip for extending internally, the quantity of contact chip at least one, it is adjacent when the quantity of contact chip is more than or equal to two It is spaced apart between two contact chips.When contact chip is a lot, it is easy to thrust, multiple contact chips are the center of circle to avoid the center in hole It is spaced apart setting.
Further, connecting hole is provided with contact chip, the both ends of core body are respectively equipped with and are inserted into connecing for connecting hole Head.It is easy to the location and installation of each core body, while will not be interfered between ensuring two neighboring core body.
More preferably, location hole is respectively equipped with positive plate and negative plate, core body two ends are respectively positioned in location hole, connect Head is passed in location hole insertion connecting hole.
Additionally, above-mentioned battery core also includes the locating rod being horizontally set between positive plate and negative plate, the locating rod and core body It is arranged in parallel, and positioned at positive plate and the edge of negative plate.The overall intensity of battery core is improved, shock resistance is improved.
Preferably, conducting strip is nickel sheet or copper sheet.It is nickel sheet in this example, it mainly has two benefits:One is convenient weldering Connect;Two is with good electric conductivity.
Meanwhile, conducting strip also includes the top edge from piece body to the horizontal-extending connecting portion in side, when conducting strip is installed Afterwards, connecting portion and piece body are fitted in the top surface and lateral surface of positive plate or negative plate respectively.Facilitate the accurate installation of conducting strip, The circuit communication of each core body is ensured simultaneously.
Additionally, above-mentioned separator is made up of polyethylene or polyethylene terephthalate or polystyrene, and Fusing point is between 71 ~ 350 DEG C.When battery core occurs unexpected, it is easy to the destruction of separator, so as to timely excrete extinguishing chemical.
Another specific implementation of the invention and preferred aspect, extinguishing chemical is in a liquid state, gaseous state or powdered form.
Specifically, extinguishing chemical is the one kind in anti-flaming liquid, dry powder, alkyl halide, nitrogen, inert gas and carbon dioxide.
Compared to prior art, the invention has the advantages that:
The present invention can comprehensively protect each battery core, increase the maximum usage amount of extinguishing chemical, it is ensured that extinguishing effect, while electric Core reasonable layout, reduces the volume of battery component, meets actual requirement, additionally it is possible in time to battery core and control board Radiated, so as to the safe class of automobile is greatly improved.
Brief description of the drawings
Fig. 1 is the structural decomposition diagram of battery component of the invention;
Fig. 2 is the decomposing schematic representation of the part-structure of battery component of the invention;
Fig. 3 is the schematic front view of housing of the invention;
Fig. 4 be Fig. 3 in A-A to schematic cross-sectional view;
Fig. 5 is the partial schematic sectional view of radiating subassembly of the invention;
Fig. 6 is the dimensional structure diagram of heat-conducting piece of the invention;
Fig. 7 is the front view of Fig. 6;
Fig. 8 is the dimensional structure diagram of battery core of the invention(Easy-torn line display portion);
Fig. 9 is the dimensional structure diagram of positive plate of the invention and negative plate;
Figure 10 is the dimensional structure diagram of conducting strip of the invention(Easy-torn line display portion);
In accompanying drawing:1st, housing;10th, cavity;100th, chamber is divided;11st, positioning strip;2A, battery core;1a, positive plate;2a, negative plate;3a、 Core body;4a, conducting strip;40a, piece body;400th, hole is avoided;41a, water conservancy diversion contact site;410th, contact chip;42a, connecting portion;f、 Connecting hole;G, joint;H, location hole;5a, locating rod;50a, pole;X, easy-torn line;3rd, separator;4th, inner bag;40th, connecting portion; 5th, keeper;50th, upper positioning unit;500th, peripheral frame bar;501st, moulding is connected;51st, lower positioning unit;510th, parting bead;511st, every Block;512nd, lug boss;A, slot;B, Plug Division;C, short slot;D, lug, nib;E, grooving;6th, cell cover;60th, lid body;61st, just Pole;62nd, negative terminal;7B, radiating subassembly;4b, fin;41b, connecting portion;42b, heat-conducting part;421st, the first fixing hole; 43b, dispersion portion;20b, locating dowel;21b, the first limiting section;22b, the second limiting section;220th, fixed block;221st, rod member is contradicted; 5b, series set;51b, first connecting portion;52b, second connecting portion;53b, the 3rd connecting portion;54b, the 4th connecting portion;55b、 5th connecting portion;J, location hole;K, avoidance breach;M, installation portion;M1, panel;M2, coaming plate;N, installation gap;8th, circuit is controlled Plate;81st, circuit chip;82nd, draw-in groove;83rd, heat-conducting block;84th, the second fixing hole.
Specific embodiment
The preferred embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in Figures 1 to 10, the battery component for new-energy automobile that the present embodiment is related to, it includes housing 1, puts The multiple battery core 2A in housing 1 are put, is arranged in housing 1 and cavity 10 is separated into separator 3 in multiple point chambers 100, is located at Inner bag 4 in each point of chamber, the keeper 5 for multiple inner bags 4 to be mutually located by connecting with housing 1, cell cover 6, radiating group Part 7B, control board 8, the horizontal in a row longitudinal direction in plurality of point of chamber 100 is in column or longitudinal direction is in a row distributed, wherein battery core 2A pairs Should be arranged in inner bag 4, the inside of separator 3 has interconnected receiving space, battery component is also empty including being filled in receiving Interior extinguishing chemical.
In this example, housing 1 is rectangle, and point chamber 100 has 4, and along the length direction longitudinal direction in a row distribution of housing 1. Make full use of the space of cavity 10, the volume that maximized reduction battery core 2A takes.
Keeper 5 include for the upper positioning unit 50 that mutually positions multiple inner bags 4 and the top and bottom of housing 1 and under Positioning unit 51.
Specifically, upper positioning unit 50 includes setting and being positioned at enclosing on housing 1 along the top outline of housing 1 Moulding 500, in the peripheral frame bar 500 and with the layout of inner bag 4 moulding 501 is connected correspondingly, the wherein upper end of inner bag 4 can Releasably it is arranged on connection moulding 501, connection moulding 501 is integrally formed setting, and multiple inner bags 4 are spaced into setting.When When inner bag 4 is dismantled, after need to only departing from peripheral frame bar 500 and housing 1, peripheral frame bar 500 is lifted up, you can by four inner bags 4 one Rise and take out, it is easy to operate.
Housing 1 has much with the connected mode that peripheral frame bar 500 matches, in this example, using simplest mode, in housing 1 is provided with along itself circumferentially disposed positioning strip 11, and the inner side of peripheral frame bar 500 forms breach by connection moulding 501, housing 1 with Peripheral frame bar 500 is fastened setting from breach, and the bottom of peripheral frame bar 500 is contradicted on positioning strip 11.
And it is easy to the connection of inner bag 4, it is provided with from the outwards horizontal-extending connecting portion in top edge at the top of each inner bag 4 40, connection moulding 501 is mutually fixedly connected with connecting portion 40.
Specifically, being provided with slot a on connecting portion 40, the Plug Division b for matching is provided with the bottom of connection moulding 501. So as to the dismounting and installation that facilitate inner bag 4 be connected moulding 501.
Lower positioning unit 51 includes the parting bead 510 raised up from the bottom surface of housing 1, prolongs on the side from the two of parting bead 510 Stretching has multiple spacer blocks 511 and forms lug boss 512 from the bottom of the outline of housing 1 is inwardly protruding, wherein parting bead 510 along The width of housing 1 extends, and multiple parting beads 510 and the corresponding setting of separator 3, and separator 3 bottom be erected at every On bar 510, lug boss 512 is distributed in each point of side in chamber 100, when deserving inner bag 4 and being arranged on point chamber 100, the He of lug boss 512 Spacer block 511 is contradicted in the following side of inner bag 4.
Meanwhile, the short slot c extended along vertical direction is provided with spacer block 511 and lug boss 512, in the periphery of inner bag 4 The lug, nib d that can be engaged with short slot c is provided with, the height of lug boss 512 is equal to the height of spacer block 511;Spacer block 511 and parting bead 510 height sum is the 1/6 ~ 1/3 of the height of housing 1, specifically, spacer block 511 is that housing 1 is high with the height sum of parting bead 510 The 1/4 of degree.
Further, each parting bead 510 forms downward opening grooving e in the bottom of housing 1.The setting master of grooving e Facilitate the lifting of whole battery component, that is, conventional pulling item screens design.
Meanwhile, separator 3 is made up of polyethylene or polyethylene terephthalate or polystyrene, and fusing point exists Between 71 ~ 350 DEG C, battery component also includes being filled in the extinguishing chemical inside separator 3, and extinguishing chemical is anti-flaming liquid, dry powder, halogen For the one kind in alkane, nitrogen, inert gas and carbon dioxide.The setting of separator, can not only zoning, and can also Enough fire prevention, improve the security performance of battery.
The positive terminal 61 and negative terminal 62 at the both ends including lid body 60, on lid body 60 of cell cover 6, wherein just Pole 61 and negative terminal 62 are respectively adopted diplopore interface, and lid body 60 is stretched by aluminium section bar and pressed and be molded into lamellar Type.
Radiating subassembly 7B includes that the fin 4b being fixedly installed in control board 8, bottom connect the electricity of battery core 2A Pole piece upper end and the heat-conducting piece 5b offseted with the lower surface of control board 8, wherein heat-conducting piece 5b are located in housing 1, control The lower surface of the upper surface of heat-conducting piece 5b and fin 4b is spaced setting by circuit board 8.By heat-conducting piece 5b by battery core 2A Heat conduct to control board 8 and the fin 4b by being arranged in control board 8 takes away heat, Neng Goutong When reduce the temperature of battery core 2A and control board 8, lift the security performance of on-vehicle battery.
Specifically, fin 4b bottoms have the downwardly projecting connecting portion 41b of rectangle, there is multiple in control board 8 Circuit chip 81b, multiple circuit chip 81b arrange along the length direction of connecting portion 41b and are formed on rectangle Draw-in groove 82b, connecting portion 41b is fastened in draw-in groove 82b.Circuit chip 81b is the main pyrotoxin of control board 8, by circuit Chip 81b directly offsets with the connecting portion 41b of fin 4b can accelerate the radiating of circuit chip 81b.
Further, circuit chip 81b is distributed in the side of control board 8, control board 8 opposite side along The bearing of trend of draw-in groove 82b is provided with multiple heat-conducting block 83b, connecting portion 41b and heat-conducting block 83b and offsets setting.Heat-conducting block 83b is adopted Supported with the preferable insulating materials of heat conductivility, the heat on heat-conducting piece 5b preferably can be conducted to fin 4b.
In this example, fin 4b includes the heat-conducting part 42b, the upper end level from heat-conducting part 42b that are connected with control board 8 Extend in plane dispersion portion 43b and be arranged on dispersion portion 43b multiple radiating fins.Disperse the dispersion portion 43b's for launching Structure is conducive to distributing for heat.
The first fixing hole 421 with least two up/down perforations, is correspondingly arranged in control board 8 on heat-conducting part 42b Have and the one-to-one second fixing hole 84b of the first fixing hole 421.Fin 4b can be fixed on by control circuit using screw On plate 8, install more convenient.
Projection is provided with radiating fin along its length for the two sides of heat-conducting part 42b.The radiating fin of the part can In advance to distributing partial heat in air.
Heat-conducting piece 5b can also claim series set, and it mainly will mutually be concatenated between two adjacent battery core 2A, and will concatenation Battery core afterwards is fixedly connected with battery case body phase, not only the assembly and disassembly of very convenient battery core 2A, and further stablizes Battery core 2A, prevents the battery core 2A of battery from colliding, it is ensured that the security performance of battery.
In this example, it is spaced apart by the spacer portion along the width of housing 1 of separator 3 between two neighboring inner bag 4, Series set 5b includes the first connecting portion 51b being connected that is in series positioned at the both sides of spacer portion and respectively with two neighboring battery core 2A And second connecting portion 52b, be positioned in the spacer portion and between first connecting portion 51b and second connecting portion 52b top 3rd connecting portion 53b, positioned at the both sides of spacer portion respectively by first connecting portion 51b and second connecting portion 52b and the 3rd connecting portion The 4th connecting portion 54b and the 5th connecting portion 55b that the both sides of 53b are connected.
4th connecting portion 54b and the 5th connecting portion 55b are close on the side wall of two neighboring inner bag 4, and respectively with first Connecting portion 51b, second connecting portion 52b, the 3rd perpendicular settings of connecting portion 53b;3rd connecting portion 53b and first connecting portion 51b With the parallel settings of second connecting portion 52b.By the setting of each connecting portion, facilitate the batch machining of series set 5b, while Convenient actual alignment is installed, it is ensured that the stability after installation.
Further, the positioning of battery core 2A and spacer portion is realized, the scheme used in this example is as follows:
Locating dowel 20b, the 3rd connecting portion 53b are provided with spacer portion and are provided with the location hole j matched with locating dowel 20b.
3rd connecting portion 53b extends along the length direction of spacer portion, and the length of the 3rd connecting portion 53b is interval minister The 1/6 ~ 1/2 of degree.In this example, the length of the 3rd connecting portion 53b is the 1/4 of spacer portion length.
4th connecting portion 54b and the 5th connecting portion 55b are symmetrical arranged(On the 3rd connecting portion 53b), and in from top to bottom What is gradually broadened is trapezoidal.Its main purpose for setting is easy to be connected with battery core with the radiating subassembly of battery, in other words, in this example Series set have three effects:1), the circuit connected in series of being easy between multiple battery cores;2), more consolidate battery core positioning;3)、 Facilitate the radiating of battery core.
However, the installation of other assemblies for convenience, while reasonably reduce the volume of battery, in the 4th trapezoidal connection Two articles of waists of portion 54b and the 5th connecting portion 55b are provided with the avoidance breach k to contract.
Meanwhile, the first limiting section 21b and the second limiting section 22b is additionally provided with spacer portion, when series set is by adjacent two When individual battery core 2A is concatenated, the first limiting section 21b and the second limiting section 22b are contradicted at the both ends of the 3rd connecting portion 53b respectively.
However, in order to meet different use requirements, the set-up mode of the first limiting section 21b and the second limiting section 22b has two Kind, one kind is both to be integrally fixed in spacer portion;Another kind is a fixation, another can be with activity adjustment.Two in this example Kind can, it is contemplated that the connection with miscellaneous part, is additionally provided with connecting hole on limiting section.
Specifically, the first limiting section 21b is fixed in spacer portion, the second limiting section 22b includes being fixed in spacer portion Fixed block 220, the conflict rod member 221 that can be movably arranged as along spacer portion length direction on fixed block 220, wherein contradicting The conflict end of rod member 221 can be set along the length direction of spacer portion away from or near the first limiting section 21b, when concatenation group When part concatenates two neighboring battery core 2A, the conflict rod member 221 of the first limiting section 21b and the second limiting section 22b is contradicted respectively The both ends of the 3rd connecting portion 53b.
Battery core 2A includes positive plate 1a, negative plate 2a, the multiple being horizontally set between positive plate 1a and negative plate 2a in this example Core body 3a and it is fitted in respectively on positive plate 1a and negative plate 2a and contradicts the conducting strip 4a at each core body 3a both ends, Plurality of core body 3a is in parallel connection by the conducting strip 4a of both sides.
Installation portion m, first connecting portion 51b and second connecting portion 52b point is respectively equipped with positive plate 1a and negative plate 2a It is not erected on the installation portion m of the positive plate 1a of two neighboring battery core 2A and negative plate 2a.
Specifically, installation portion m includes being separately positioned on connection panel m1, the connection certainly at the top of positive plate 1a and negative plate 2a The side of panel m1 upwardly extends and forms the coaming plate m2 with installation gap n, wherein installation gap n along spacer portion length Direction extends, and towards the outside of battery core 2A, the bottom of first connecting portion 51b and second connecting portion 52b is fitted in connection panel M1 is upper, outer side edges are contradicted on corresponding coaming plate m2 respectively.
Conducting strip 4a includes piece body 40a, is arranged on piece body 40a and corresponds leading for setting with multiple core body 3a Stream contact site 41a, from the top edge of piece body 40a to the horizontal-extending connecting portion 42a in side, after conducting strip 4a is installed, company Socket part 42a and piece body 40a are fitted in the top surface and lateral surface of positive plate 1a or negative plate 2a respectively.So as to facilitate conducting strip 4a Accurate installation, it is ensured that the circuit communication of each core body 3a.
Meanwhile, when certain core body 3a occurs explosion time, the end of core body 3a can thrust or cause corresponding water conservancy diversion The deformation of contact site 41a so that water conservancy diversion contact site 41a and core body 3a departs from, the circuit that core body 3a is formed disconnects, and then prevents The intensity of a fire spreads, it is ensured that will not trigger big fire because of the blast of single core body 3a or burning, improves the safety that battery is used Property.
However, in order to realize that water conservancy diversion contact site 41a and core body 3a departs from, the specific embodiment that the present embodiment is used is such as Under:
Avoidance hole 400 is formed with the piece body 40a of core body 3a ends correspondence position, water conservancy diversion contact site 41a is located at and avoids hole In 400 and it is integrally formed setting with piece body 40a.
Specifically, avoiding, hole 400 is rounded, the arc length shared by the junction of water conservancy diversion contact site 41a and piece body 40a is Avoid the 1/10 of the girth of hole 400.
Meanwhile, the junction of water conservancy diversion contact site 41a and piece body 40a is formed with is easy to water conservancy diversion contact site 41a and piece body The easy-torn line X that 40a departs from, easy-torn line X are constituted one section of circular arc for avoiding hole 400 to avoid the center in hole 400 as the center of circle.So as to Further facilitate the deformation of water conservancy diversion contact site 41a and thrust.
Specifically, water conservancy diversion contact site 41a includes the contact chip 410 extended internally from the circular periphery for avoiding hole 400, contact The quantity of piece 410 at least one, when the quantity of contact chip 410 is more than or equal to two, adjacent two contact chips 410 it It is spaced apart and sets.When contact chip 410 is a lot, it is easy to thrust, multiple contact chips 410 are to avoid the center in hole 400 as between the center of circle Set every distribution.In this example, contact chip 410 has two, and is spaced apart between the two.
Meanwhile, for the ease of the stable position of core body 3a in this example, the technological means of use is as follows:
Connecting hole f is provided with contact chip 410, the both ends of core body 3a are respectively equipped with the joint g for being inserted into connecting hole f.Just In the location and installation of each core body 3a, while ensuring to be interfered between two neighboring core body 3a.
Location hole h is respectively equipped with positive plate 1a and negative plate 2a, core body 3a two ends are respectively positioned in location hole h, Joint g is passed in location hole h insertion connecting holes f.
Additionally, above-mentioned battery core also includes the locating rod 5a being horizontally set between positive plate 1a and negative plate 2a, the locating rod 5a is arranged in parallel with core body 3a, and positioned at positive plate 1a and the edge of negative plate 2a.Improve the overall intensity of battery core, enhancing Shock resistance.
Specifically, locating rod 5a has four, rectangular distribution.And each locating rod 5a includes that two sections connect from one end is relative Pole 50a, while the other end of two section pole 50a are respectively fixedly disposed on positive plate 1a and negative plate 2a.
In this example, conducting strip 4a is nickel sheet or copper sheet.It is nickel sheet in this example, it mainly has two benefits:One is convenient weldering Connect positioning;Two is with good electric conductivity.
Additionally, above-mentioned separator 3 is made up of polyethylene or polyethylene terephthalate or polystyrene, and Fusing point is between 71 ~ 350 DEG C.When battery core 2A occurs unexpected, it is easy to the destruction of separator 3, so as to timely excrete fire extinguishing Agent.
Specifically, extinguishing chemical be in a liquid state, gaseous state or powdered form.
In this example, extinguishing chemical is the one kind in anti-flaming liquid, dry powder, alkyl halide, nitrogen, inert gas and carbon dioxide.
In sum, the present embodiment has the advantage that:
1st, extinguishing chemical comprehensively surrounds the surrounding of each battery core, once separator is destroyed(Fusing, avulsion etc.), extinguishing chemical energy Burning things which may cause a fire disaster is put out at enough rapid drainage to burning things which may cause a fire disaster, reaches preferable extinguishing effect.
2nd, the position of each distribution of separator is connected settings, once there is accident, all of extinguishing chemical energy in some battery core Enough quick and concentration row effectively shortens attack time to the consumption at this, not only increasing extinguishing chemical, so that significantly The safe class of the raising automobile of degree.
3rd, by inner bag, connection moulding, peripheral frame bar setting, be easy to the layout of inner bag to position, while also very convenient inner bag With the installation and removal of housing.
4th, divide the rational layout in chamber, reduce the volume of battery.
5th, by the setting of keeper, it is spaced apart by multiple inner bags, between inner bag and housing, is carried out in each exactly The positioning of courage, prevents the collision between each part in casing, improves the security performance of battery.
6th, because of the blast of single core body or burning, and big fire will not be triggered, while by easy-torn line and avoiding hole Set, water conservancy diversion contact site is easily deformed or comes off under the impact of core body so that disconnecting circuit, manipulate it is very convenient, further Improve the security of battery
7th, by the setting of series set, it is easy to the circuit connected in series between multiple battery cores, while more consolidating the positioning of battery core, prevents The battery core of battery collides, it is ensured that the security performance of battery;
8th, the heat in battery core is conducted to control board and radiating by being arranged in control board by heat-conducting piece Piece takes away heat, can simultaneously reduce the temperature of battery core and control board, lifts the security performance of on-vehicle battery.
The above embodiments merely illustrate the technical concept and features of the present invention, its object is to allow person skilled in the art Scholar will appreciate that present disclosure and implement according to this that it is not intended to limit the scope of the present invention, all according to the present invention The equivalent change or modification that Spirit Essence is made, should all be included within the scope of the present invention.

Claims (10)

1. a kind of battery component for new-energy automobile, it includes housing, the multiple battery cores, the setting that are placed in the housing Cavity is separated in multiple points of separator, cell cover, radiating subassembly, the control boards in chamber, its feature in the housing It is:The horizontal longitudinal direction in a row in described multiple point chamber is in column or longitudinal direction is in a row distributed, and the battery component is also every including being located at Inner bag in individual described point of chamber, described battery core is correspondingly arranged in the inner bag, has inside described separator and mutually interconnect Logical receiving space, described battery component also includes the extinguishing chemical being filled in the receiving space, the radiating subassembly bag Include the fin that is fixedly installed in the control board and bottom connect the battery core electrode slice upper end and with institute The heat-conducting piece that the lower surface of control board offsets is stated, wherein the heat-conducting piece is located in the housing, the control board The lower surface of the upper surface of the heat-conducting piece and the fin is spaced setting.
2. the battery component for new-energy automobile according to claim 1, it is characterised in that:The heat-conducting piece is series connection The series set of the adjacent battery core, and the heat-conducting piece includes be connected with the electrode slice of the two neighboring battery core respectively the The 3rd connecting portion, connection first company that the lower surface of one connecting portion and second connecting portion and the control board offsets 4th connecting portion of socket part and the 3rd connecting portion, and the connection second connecting portion is connected with the 5th of the 3rd connecting portion the Portion.
3. the battery component for new-energy automobile according to claim 1, it is characterised in that:Described battery component is also Including the keeper for the inner bag described in multiple to be mutually located by connecting with the housing, described keeper is included for will be many Upper positioning unit and lower positioning unit that individual described inner bag is mutually positioned with the top and bottom of the housing.
4. the battery component for new-energy automobile according to claim 3, it is characterised in that:Described point of chamber longitudinal direction into Row's distribution, described upper positioning unit includes setting and can positioning on the housing along the case top outline Peripheral frame bar, in the peripheral frame bar and with the layout of the inner bag moulding, described inner bag upper end are connected correspondingly It is removably disposed on the connection moulding, described connection moulding is integrally formed setting, and by the inner bag phase described in multiple It is spaced apart.
5. the battery component for new-energy automobile according to claim 4, it is characterised in that:The lower positioning unit bag The parting bead raised up from the bottom surface of the housing is included, the parting bead extends along the width of the housing, and it is multiple described Parting bead setting corresponding with the separator, the bottom of the separator is erected on the parting bead, after the inner bag is installed, The side of the inner bag is contradicted in the side of parting bead.
6. the battery component for new-energy automobile according to claim 5, it is characterised in that:Described lower positioning unit Also include upwardly extending multiple spacer blocks and the inwardly protruding shape in bottom from the housing outline from the both sides of the parting bead Into lug boss, described lug boss is distributed in the side in each point chamber, described when the inner bag is arranged on described point of chamber Lug boss and the spacer block contradict in the following side of the inner bag.
7. the battery component for new-energy automobile according to claim 6, it is characterised in that:In the spacer block and described Lug boss be provided with along vertical direction extend short slot, being provided with the periphery of the inner bag can be engaged with the short slot Lug, nib, the height of the height of the lug boss less than or equal to the spacer block;The height sum of described spacer block and the parting bead It is the 1/6 ~ 1/3 of the body height.
8. the battery component for new-energy automobile according to claim 1, it is characterised in that:Described cell cover bag Include lid body, on lid body both ends positive terminal and negative terminal, wherein described positive terminal and negative terminal are respectively adopted Diplopore interface, described lid body is in lamellar, and is stretched by aluminium section bar and the injection moulding that presses.
9. the battery component for new-energy automobile according to claim 1, it is characterised in that:Described battery core is included just Pole plate, negative plate, the multiple core bodys being horizontally set between the positive plate and the negative plate and the positive pole is fitted in respectively Plate and negative plate lateral surface simultaneously contradict conducting strip at each core body both ends, and the plurality of core body is described by both sides Conducting strip is in parallel connection, described conducting strip include piece body, be arranged on described body and with multiple core bodys one The one water conservancy diversion contact site being correspondingly arranged, when certain described core body occurs explosion time, the end of the core body can thrust or cause The deformation of the corresponding water conservancy diversion contact site so that the water conservancy diversion contact site departs from the core body, what the core body was formed Circuit disconnects.
10. the battery component for new-energy automobile according to claim 9, it is characterised in that:The conducting strip is nickel Piece or copper sheet, described conducting strip also include from the described top edge of body to the horizontal-extending connecting portion in side, when described After conducting strip is installed, described connecting portion and described body are fitted in top surface and the outside of the positive plate or negative plate respectively Face.
CN201710140603.5A 2017-03-10 2017-03-10 A kind of battery component for new-energy automobile Pending CN106784508A (en)

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Application publication date: 20170531