CN206471374U - A kind of high-energy-density easy care battery box structure - Google Patents

A kind of high-energy-density easy care battery box structure Download PDF

Info

Publication number
CN206471374U
CN206471374U CN201621388267.3U CN201621388267U CN206471374U CN 206471374 U CN206471374 U CN 206471374U CN 201621388267 U CN201621388267 U CN 201621388267U CN 206471374 U CN206471374 U CN 206471374U
Authority
CN
China
Prior art keywords
battery
battery pack
easy care
energy
battery case
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
Application number
CN201621388267.3U
Other languages
Chinese (zh)
Inventor
林程
赵明杰
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.)
Beijing Institute of Technology BIT
Original Assignee
Beijing Institute of Technology BIT
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 Beijing Institute of Technology BIT filed Critical Beijing Institute of Technology BIT
Priority to CN201621388267.3U priority Critical patent/CN206471374U/en
Application granted granted Critical
Publication of CN206471374U publication Critical patent/CN206471374U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Landscapes

  • Battery Mounting, Suspending (AREA)

Abstract

The utility model is related to a kind of high-energy-density easy care battery box structure, including easy care connection plug, series connection copper-line device, battery case top cover and control system, vehicle electrical appliance device, Battery case structure, battery pack structure, battery pack structure and battery pack top cover；The easy care connection plug, series connection copper-line device and battery pack structure are arranged in Battery case structure, and the battery case top cover and set-up of control system are in Battery case structural top；The easy care connection plug is used to realize the series connection between connected two battery pack structure；The battery pack top cover is arranged on the top of battery pack structure, and battery pack structure is protected.Using Stackable batteries monomer as the battery box structure of the high-energy-density of elementary cell in the utility model, pure electric vehicle battery case intensity requirement can be met, battery case technological deficiency in the prior art can be overcome, it is easy to safeguard, and with certain active protecting device, practicality and security are greatly improved.

Description

A kind of high-energy-density easy care battery box structure
Technical field
The utility model is related to a kind of battery case of electric automobile, and in particular to a kind of high-energy-density easy care battery case Structure.
Background technology
With the development of society, energy worsening shortages, environmental pollution are serious, Global climate change potential impact is huge, electricity Power weighting prediction, the pure electric automobile of zero-emission turn into the developing direction of future automobile.Battery case is electric passenger vehicle, electronic One important component of bus etc..At present, one of huge technical bottleneck that pure electric vehicle faces is exactly that battery system energy is close Spend low, security poor, and battery case（Battery Container）Structure design will be directly connected to battery pack in casing Safe working condition, while will also directly affect the energy density of battery case.
In order to meet the demand used, it usually needs multiple battery cells (Cell) connection in series-parallel is formed into battery pack, to carry For required voltage and power.The battery cell of technology maturation is broadly divided into the column coiled battery using 18650 types as representative With the square Stackable batteries by representative of soft-package battery.Although the monomer energy density of column coiled battery is than square stacking Formula battery is high, but it is shaped as cylinder, it is impossible to closs packing, its low space utilization, and rear energy bulk density is smaller in groups；Volume The heat dispersion of wound battery cell is also poor, generally requires setting liquid cooling mode and radiates so that be complicated after in groups And energy density is reduced, therefore domestic main flow battery case at present still uses square Stackable batteries monomer.
Stackable batteries are generally soft aluminium film outer package, and stress performance is poor, and for resistivities such as puncture, vibration, impacts Difference, it is necessary to which the supporting construction such as Battery case reasonable in design is protected by.Publication No. CN102024921A Chinese invention is special Profit discloses a kind of laminated battery box, and multiple housings orders are arranged, and housing is shallow trench and with mutually being fitted with battery in housing The geometry and installing space answered, potted component is arranged between adjacent housings so that adjacent housings are closely connected and mutually close Envelope, the two ends that baffle plate setting is arranged in housing are provided with heat-insulation layer and potted component, baffle plate between baffle plate and housing and are provided with The terminal of batteries is simultaneously connected with external circuit, is arranged baffle plate and housing by tightening member and is clamped, forms totally-enclosed lamination Battery case, advantage that is simple for structure, being easily assembled to and be readily produced management and quality management.Presently used Battery case is equal There is certain defect, have plenty of it is undue pursue battery case energy density, and cause battery cell fix not firm, security compared with It is low；Have plenty of undue consideration Battery case intensity, use excessive high duty metal part so that integral energy density is reduced；Have It is then to design excessively complicated, does not consider to change a certain battery cell or a certain battery bag（Pack）Feasibility so that battery case Do not possess Fast-Maintenance performance, practicality is substantially reduced.
The design of battery case must take into consideration battery management system（Battery Management System, BMS）Peace Put.At present in many battery case designs, always BMS is positioned over inside battery case, i.e., by each high-tension battery bag.This is not only disobeyed The basic principle that high-low pressure is separated in engineering design has been carried on the back, has also been caused when only being safeguarded to BMS, it has to take whole electricity apart Pond case, makes high-pressure section exposure outside, substantially increases attended operation difficulty and danger.Meanwhile, existing battery case is set In meter, management and protection to battery in case are only used as whole bases for estimation using BMS information.On the one hand, exist in BMS management Hysteresis quality, i.e., only it can just be detected after battery case is damaged exception；On the other hand, once BMS software inhouses break down （Bug）Report the information such as cell voltage, temperature by mistake, will be unable to quick veritification.Surfaceman needs to take battery case apart, and measurement is actual high Pressure side voltage and actual battery temperature just can confirm that battery has failure or BMS wrong report information in itself, and this process is not only Complex operation, and artificial operation contact high pressure is needed, there is great risk.
Utility model content
The purpose of this utility model is to design a kind of using Stackable batteries monomer as the high-energy-density of elementary cell Battery box structure, and meet pure electric vehicle battery case intensity requirement.Meanwhile, the battery box structure that the utility model is proposed will Overcome battery case technological deficiency in the prior art, its is easy to maintain, and with certain active protecting device so that practicality and peace Full property is greatly improved.
To achieve these goals, the utility model is adopted the following technical scheme that.
A kind of high-energy-density easy care battery box structure, including easy care connection plug 100, series connection copper-line device 200, Battery case top cover and control system 300, vehicle electrical appliance device 400, Battery case structure 500, battery pack structure 600, battery Pack arrangement 700 and battery pack top cover 800；The easy care connection plug 100, series connection copper-line device 200 and battery pack structure 700 It is arranged in Battery case structure 500, the battery case top cover and control system 300 are arranged at the top of Battery case structure 500； The easy care connection plug 100 is used to realize the series connection between connected two battery pack structure 600；The battery pack top cover 800 is set Put on the top of battery pack structure 600, battery pack structure 600 is protected.
Preferably, the battery pack structure 700 uses battery cell for the stacked side of the ternary material of high-energy-density Shape lithium ion battery, first carries out composing in parallel battery bag, then connected according to global design demand.
In any of the above-described technical scheme preferably, the lug of battery cell 705 is successively in the battery pack structure 700 It is stairstepping to middle bending, surface is stacked together two-by-two, and contact portion is firm using ultrasonic bonding, and on lug face Concentric circle holes are beaten in appropriate location.
In any of the above-described technical scheme preferably, battery cell 705 is with its length and width institute in the battery pack structure 700 Stack between arrangement, each two monomer and be bonded together using the heat-conducting silica gel sheet 704 containing glue surface into plane contact.
In any of the above-described technical scheme preferably, the lug of battery cell 705 includes in the battery pack structure 700 Battery cell anode ear 702 and battery cell negative electrode lug 701, battery cell anode ear 702, the battery of the battery cell 705 After the bending of monomer negative electrode lug 701, matched two-by-two with another monomer, using ultrasonic wave by its tab welding together, battery cell Between bonded with thermal conductive silicon rubber cushion 704 of the two sides containing glue, constitute battery pack structure 700.
In any of the above-described technical scheme preferably, the upper surface of thermal conductive silicon rubber cushion 704 is higher than battery cell 705 Battery cell closedtop 703.
In any of the above-described technical scheme preferably, the series connection copper-line device 200 has series connection copper bar support 201, Two fixing points containing through hole are set on the series connection copper bar support 201 and series connection copper bar 204, temperature sensor 202 is fixed with With voltage acquisition line 203, the temperature sensor 202 is used to gather corresponding position temperature information, the voltage acquisition line 203 For gathering corresponding voltage information.
In any of the above-described technical scheme preferably, the bottom of the series connection copper bar support 201 is zigzag, can be successively Correspondence and the top wedging of battery pack press strip 607 of battery pack structure 600.
In any of the above-described technical scheme preferably, the battery pack structure 600 has a cuboid cavity structure Battery pack retainer 605, the battery pack retainer 605 is internally provided with auricle in battery pack internal partition 603 and battery pack 604, lightening hole 606 is designed with the side wall of battery pack retainer 605, and the end of battery pack retainer 605 is provided with electricity Pond group convex platform 608 and battery pack lower convex platform 609.
In any of the above-described technical scheme preferably, it is provided with battery separator ear on the battery pack internal partition 603 Piece 602.
In any of the above-described technical scheme preferably, the side wall of the laminating battery pack of battery pack structure 700 retainer 605 And auricle 604 slides into the bottom of battery pack retainer 605 in battery pack, battery pack is inserted in two lug spaces at an upper portion thereof successively Press strip 607.
In any of the above-described technical scheme preferably, the battery pack press strip 607 is made up of heat-conducting plastic, the battery Group press strip 607 is used to clamp battery cell closedtop 703, and the bottom of battery pack press strip 607 connects with the upper limb of thermal conductive silicon rubber cushion 704 Touch.
In any of the above-described technical scheme preferably, the bottom of series connection copper bar support 201 is pushed up with battery pack press strip 607 Auricle is fixedly connected with by bolt with battery separator auricle 602 on portion's wedging, the series connection copper bar support 201, for completing electricity The upper limit of pond pack arrangement 700.
In any of the above-described technical scheme preferably, the two ends point of the series connection copper bar 204 of the series connection copper-line device 200 Be not connected with lug on adjacent two battery pack structure 700, the two ends of the turning copper bar 601 of the battery pack structure 600 respectively with Lug is connected on two battery pack structures 700 side by side, so as to realize series connection in battery pack.
In any of the above-described technical scheme preferably, the Battery case structure 500 has battery case left plate 503, electricity Pond bottom plate 511, battery case right panel 509, battery case internal partition 507, the battery case left plate 503, battery case bottom plate 511, electricity Pond case right panel 509, battery case internal partition 507 are integrated fixed connection structure.
In any of the above-described technical scheme preferably, set on the battery case left plate 503 and the battery case right panel 509 It is equipped with air inlet；The air inlet is provided with bucker 504, and its inside is containing filter screen and dries cotton.
In any of the above-described technical scheme preferably, the battery pack lower convex platform 609 is provided with through hole, can pass through bolt It is fixedly connected with battery case bottom plate 511.
In any of the above-described technical scheme preferably, the battery pack convex platform 608 is used to dispose easy care connection to insert First 100.
In any of the above-described technical scheme preferably, the easy care connection plug 100 is provided with easy care plug branch Frame 101, information gathering pcb board 102 and socket copper bar 103, the easy care plug bracket 101 lead to battery pack convex platform 608 Cross bolt to be fixedly connected, described information collection one end of pcb board 102 is connected with voltage acquisition line 203 and temperature sensor 202, institute State the other end of information gathering pcb board 102 to be connected with BMS 317, described information collection pcb board 102 is provided with SMD fuse And voltage-stabiliser tube.
In any of the above-described technical scheme preferably, the easy care connection plug 100 has plug copper bar 105 and exhausted On edge protection board 107, the insertion of plug copper bar 105 lower surface of insulating protecting plate 107, the two ends of plug copper bar 105 difference It is corresponding with the socket bronze medal 103 being connected on two easy care plug brackets 101；Plug copper bar 105 is passed through using knurled nut 104 It is fixed with being combined after the through hole on insulating protecting plate 107 with knurled nut 108.
In any of the above-described technical scheme preferably, the battery case top cover and control system 300 are provided with battery case Top plate 312, the battery roof box 312 is used for mechanical isolation bottom high-tension battery group structure 600 and top A-battery case top Lid and control system 300.
In any of the above-described technical scheme preferably, the battery pack top cover 800 is provided with cable hole 801, protective plate 802 and lug dividing plate 803, the protective plate 802 is used to prevent foreign matter is fallen into when opening battery roof box 312 to cause short circuit, The lug dividing plate 803 is used to prevent battery case from touching short circuit, the cable hole 801 between two neighboring pole ear in vibration, collision For gathering line flexible arrangement.
In any of the above-described technical scheme preferably, the front end of the battery roof box 312 is disposed with main negative contactor Protective cover 301, fuse protective cover 302, main positive contactor protective cover 309, the master bear contactor protective cover 301 and include main bear Contactor 313, the fuse protective cover 302 includes fuse 314, and the positive contactor protective cover 309 of master includes master and just connect Tentaculum 315.
In any of the above-described technical scheme preferably, the vehicle electrical appliance device 400 and Battery case structure 500 it Between be provided with high-tension connector 304, U-type groove 305 fix, BMS protective covers 308, high-voltage line bearing 310, the battery case top cover And control system 300 is provided with total connection row 316, the master bears contactor 313 and respective one end of the positive contactor 315 of the master point Not by the way that the total connection row 316 of correspondence always bears with the battery pack after series connection in battery case, total anode is connected, the master bears contactor 313 other ends are connected with negative lead 306 again after being connected with the fuse 314, the positive other end of connector 315 of master with Positive lead 307 is connected, after the negative lead 306, the positive lead 307 are fixed by high-voltage line bearing 310 Access high-tension connector 304 one, the other end of the high-tension connector 304 is drawn by vehicle electrical appliance device 400, is used When by butt and butt, be fastened by bolts after U-type groove 305 is caught in composition active anti-loose structure.
In any of the above-described technical scheme preferably, the BMS protective covers 308 are arranged in the rear end of battery roof box 312, The enclosed inside BMS 317 of BMS protective covers 308.
In any of the above-described technical scheme preferably, the He of low pressure air plug 311 is housed on the side wall of battery roof box 312 Voltage shows table 303, and the low pressure air plug 311 is used to BMS control information being connected to outside Battery case structure 500, the voltage Show that table 303 is used to reflect in real time true total voltage in Battery case structure 500.
In any of the above-described technical scheme preferably, the Battery case structure 500 has battery case back plate 505, institute The fan exhaust mouthful 506 being provided with battery case back plate 505 for installing air ejector fan 512 is stated, the air ejector fan 512 is installed It is at fan exhaust mouthful 506 and corresponding with the position of battery pack structure 600 in Battery case structure 500.
In any of the above-described technical scheme preferably, the Battery case structure 500 has battery case foreboard 510, institute State and temperature patch 502 is provided with battery case foreboard 510, contain thermo-sensitive material inside the temperature patch 502.
In any of the above-described technical scheme preferably, the Battery case structure 500 has battery case left plate 503, institute State and inertia switch 501 is installed in battery case left plate 503, operative orientation and the vehicle heading one of the inertia switch 501 Cause.
In any of the above-described technical scheme preferably, the Battery case structure 500 has battery case bottom plate 511, institute Battery case bottom plate 511 is stated provided with L-type tie-beam 513 and U-shaped tie-beam 514, the L-type tie-beam 513 and U-shaped tie-beam 514 are used for Battery case structure 500 and the fixation of chassis of vehicle body.
The utility model is related to a kind of high-energy-density easy care electricity of the square Stackable batteries monomer in pure electric vehicle field Pond box structure.This high-energy-density easy care battery box structure of the present utility model, uses battery cell（Cell）For high energy The ternary material of metric density（NCM）Stacked rectangular lithium ion battery, first carries out composing in parallel battery according to global design demand Bag（Pack）, then connected.The lug of battery cell in one battery bag（Tab）It is successively stairstepping, two to middle bending Two surfaces are stacked together, and contact portion is firm using ultrasonic bonding.Concentric circle holes are beaten in appropriate location on lug face.One Battery cell is stacked with the contact of its length and width formed plane and the thermal conductive silicon containing glue surface is used between arrangement, each two monomer in battery bag Film is bonded together.
High-energy-density easy care battery box structure of the present utility model, devising a kind of retainer is used to dispose fixed The battery bag after parallel connection is stated, and easily each battery bag is connected using the structure on the retainer.Retainer is basic The cuboid containing inner chamber is shaped as, its indoor design has dividing plate, for mechanically isolating each battery bag, while also functioning to spacing Effect.Auricle is designed with dividing plate, for fixed series connection copper bar.Four footing of retainer are designed with boss, for by retainer It is fixed on battery tank shell.Battery bag after parallel connection is put into retainer in each dividing plate, a kind of press strip in its top（Bar） It is spacing.Designed press strip is made of heat conductive flame-retarding plastic material, such as PA-6 materials；And it does not act directly on battery cell Top, but frame is on retainer dividing plate, and clamp at battery top sealing, limit is risen to battery cell in the vertical direction Position, antihunt action.The press strip bottom is contacted with heat conductive silica gel between each battery cell, constitutes thermally conductive pathways.
High-energy-density easy care battery box structure of the present utility model, have also been devised a kind of series connection copper bar support, the branch Frame is fixed on the auricle of retainer dividing plate, its upper support series connection copper bar, and bottom is zigzag, pushes down each press strip.String There is through hole on connection copper bar, be fixed on after support, be respectively connected adjacent two battery cells lug with metal stop nut with bolt, Connected, while fixed voltage harvester.Set fluted on the support, for fixed temperature sensor.Voltage acquisition The signal wire of device and temperature sensor is uniformly connected to a printed circuit board（PCB）On.It is provided with the printed circuit board (PCB) SMD fuse and voltage-stabiliser tube, are fixed on one end of retainer, provided with the port with external connection.
High-energy-density easy care battery box structure of the present utility model, have also been devised a kind of square structure Battery case, It is characterized in that front panel, rear board and top panel are independently detachable；Panel is using the metal that intensity is higher, processability is good Material is made, such as 7075 aluminium, and flame-resistant insulation material, such as Formex materials are covered with inner surface.The above-mentioned battery pack assembled It will be fixed on battery case bottom panel.
High-energy-density easy care battery box structure of the present utility model, have also been devised a kind of efficient air-draft-type and actively dissipates Hot path.Radiator fan is fixed with battery case back plate, by BMS controlling switch states.Set in battery case left plate and right panel Air inlet is equipped with, air inlet is provided with the eaves formula structure of the adsorbent equipment of dress containing filtering, can improve water proof and dust proof of FCL etc. Level.
High-energy-density easy care battery box structure of the present utility model, have also been devised and easily tie up between a kind of special battery pack Shield connection plug（Maintenance Plug）.It is characterized in that safely and fast can be removed on the premise of without using instrument, Connect simultaneously reliably and with actively locking characteristic.The piece that is connected in series of the connection plug is " sandwich " structure, and levels are Insulating materials, facilitates hand-held, and intermediate layer is conductive copper sheet.Two ends are fastened with a kind of special knurled nut, and its bolt end can be worn Go out nut end, pass portions proximate nut upper surface portion and be installed with through hole, after installation, a R type pin is penetrated into the through hole It is locking as machinery.
High-energy-density easy care battery box structure of the present utility model, have also been devised a kind of battery pack top cover.It is with exhausted Edge Heat Conduction Material is made, and agent structure is a flat, rectangular, and bottom is provided with the piece corresponding with each battery cell lug position Shape dividing plate.The top cover is only used as isolation in use, is non-bearing part, in side provided with neck, can self-contained battery group well Top.After top cover fit on, each battery cell is in completely by insulating heat-conduction material coated state, and each battery cell pole Ear has insulating materials isolation each other.
High-energy-density easy care battery box structure of the present utility model, it then follows high-low pressure separation principle.By battery system The involved low voltage control part of system, part need to be changed it is both placed in more than battery case top panel.Main positive contactor, main negative contactor, Fuse and high-pressure output port are each attached to front edge of board above, and top is encapsulated with insulating plastics material.Wherein lead positive contactor one End is connected with positive pole high-voltage line, and one end is connected row with positive pole and is connected；Main negative contactor one end is high with negative pole after being connected with fuse Line ball is connected, and one end is connected row with negative pole and is connected.Above-mentioned positive pole, negative pole connection row respectively with the battery that finishes of being connected in battery case Total anode lug, the total negative terminal lug of group are connected.BMS and low voltage control line interface are arranged on top plate rear end, and use ambroin Material package.In BMS signal receiving ends lead access battery case on the signal acquisition pcb board of each battery pack；BMS signal sending ends Lead access is fixed on the low pressure air plug of packaging cartridge inwall.
High-energy-density easy care battery box structure of the present utility model, is provided with actively locking also directed to high-tension connector Structure.On the basis of existing general connector, a U-lag assembling structure is added, above there are 2 through holes；It is each on connector two ends There is 1 through hole, after connector is docked, U-lag is loaded onto, penetrate bolt fastening.The structure can guarantee that connector fixes reliable, Non-loosening during use.
High-energy-density easy care battery box structure of the present utility model, is provided with voltage display table, and voltage display table is set Put beside BMS.It is actual total voltage in battery case that it, which surveys voltage, can intuitively reading.
High-energy-density easy care battery box structure of the present utility model, is additionally provided with temperature display patch, temperature display patch It is arranged on battery case foreboard.Its principle is identical with ordinary temp patch, but its scale does certain demarcation according to experiment value, actual aobvious Show for battery the temperature inside the box.
High-energy-density easy care battery box structure of the present utility model, is additionally provided with inertia switch, and inertia switch is set On battery boxboard, make its operative orientation consistent with vehicle forward direction in battery case use.The threshold value that the inertia switch is set There may be peak acceleration when the peak acceleration and institute's loading vehicles that be can bear for battery box structure in design are collided Smaller value in both.The inertia switch is equipped with each battery case, in use, if inertia switch is activated on certain case, Maintenance alarm is sent, highlighted Current vehicle BMS information, insulating monitoring information point out driver's parking checking, after confirmation is without exception Hand-reset inertia switch；If the inertia switches more than half more than total number are activated, fault alarm is sent, is directly cut off Each case cell voltage output, automatically terminates each door electronic lock, the double flashing light alarms of activation.
Compared with prior art, above-mentioned technical proposal of the present utility model has the advantages that：
1st, the utility model is for the low defect of existing battery case energy density, it is proposed that one kind is applied to high-energy-density The stacked battery cell of ternary battery box structure.The compact conformation, exquisiteness, take into full account battery cell in battery case by The practical problems such as power, fixation, heat conduction, radiating, vibration, maintenance, replacing.Made exemplar test quality specific energy is 147.84Wh/ Kg, energy density per unit volume is 325.16Wh/L, and the battery system specific energy of general passenger car is only 90Wh/kg and 250Wh/L.
2nd, the utility model employs modularization, the design philosophy of unitisation, and designed structure uses flexible, interchangeability By force, it is easy to maintenance.Battery cell parallel connection is first formed battery bag, then battery bag is fixed by the utility model according to overall needs In retainer and it is sequentially connected in series to form battery pack, battery pack is fixed on bottom plate and is sequentially connected in series the high pressure to be formed in battery case Power pack.In actual use, spare part can be set to battery pack, battery bag, battery cell respectively, according to the condition of maintenance, Certain battery bag, battery cell can be changed whole battery pack quick-replaceable or only.
3rd, the utility model employs the design philosophy of multi-zone supervision, by height casting die layered arrangement, by load during design With non-bearing part hierarchical design.
4th, high-pressure section is encapsulated in inside battery case by the utility model, and low pressure control section is encapsulated in into battery case top Portion.Electromagnetic interference of the high-pressure system to control system can so be weakened, while being also avoided that high-voltage arc etc. to control system Infringement.Only to battery case control system, when such as BMS is safeguarded, it can avoid taking battery case apart that this is dangerous and cumbersome Operation, directly at the top of battery case open Package boxes be operable.The efficiency of on-site maintenance control system is substantially increased, Also reduce the risk in operation.
5th, the utility model is to battery box structure for having carried out network analysis, for only rise holding, it is spacing, be dielectrically separated from Case inner structural member Deng effect is prepared using the less engineering plastics of density；And for playing the casing face of load, protection etc. Then prepared by the higher metal material of use intensity for plate.Dissimilar material properties can be so made full use of as needed, ensureing equal On the premise of security, lightweight optimization is carried out to battery box structure from material.
6th, the utility model has taken into full account the force-applied situation of battery cell.Used stacked rectangular cell monomer Because of its preparation principle, it is impossible to bear concentration of local stress, top and side can not load, can not load at lug.This practicality Battery bag is bonded as with heat-conducting silica gel sheet after the new middle alignment by each battery cell, prevents it from missing one another and pullling and be welded on one The lug risen.Battery bag is placed in retainer, spacing with press strip at the top of it, leading surface connects on the best face of force-bearing property Touch the frictional force produced to fix, without concentrated stress on each battery cell, optimize battery stressing conditions.
7th, the utility model takes into full account heat conduction and the heat dissipation path of battery cell.Without directly contact between each battery cell, There is heat-conducting silica gel sheet isolation, its heat dispersion, excellent insulation performance can prevent that directly chain thermal runaway occurs, and can have Slow down the vibration of each battery cell in effect ground.The heat transfer sent of battery cell is to heat conductive silica gel, and heat conductive silica gel is communicated up Give heat conduction press strip.Heat conduction press strip upper surface is heat dissipation wind channel, and the wind sucked from right and left air inlet is discharged through aft fan, by heat It is scattered to outside battery case.Radiated, in end all the time with the presence of negative pressure source, be locally obstructed on air channel using air-draft-type in the utility model After can form higher-pressure region, can evacuate automatically, and bleed type radiating then can not quickly eliminate partial high pressure area.
8th, battery acquisition system is carried out in units of battery pack in technical solutions of the utility model, gathering line in each battery pack The PCB collection plates in each battery pack are uniformly accessed into, BMS is connected into from plate by PCB collection plates again, fly line can be so avoided.Together When, the connector on plug pcb board is only needed in quick-replaceable battery pack, when quick-replaceable BMS is from plate, plug BMS is only needed The connector at plate interface, improves and changes efficiency.SMD fuse and voltage-stabiliser tube on pcb board can effectively prevent battery The high current that is produced after the short circuit of monomer gathering line, overlap joint, voltage, from the damage of plate, reduce maintenance cost to BMS.
9th, Fast-Maintenance plug design has been used in series in technical solutions of the utility model between each battery pack.In actual use In, it just can not can disconnect the electrical connection between two battery packs by instrument so that the feasibility for changing battery pack is carried significantly It is high；In case of emergency, each battery pack can be also quickly isolated out, further dangerous generation is prevented.Meanwhile, the maintenance plug is again With active anti-loose structure, it is ensured that the reliability of connection.
10th, technical solutions of the utility model are additionally provided with mechanical actively locking dress for existing High voltage output connector Put.Extra on High voltage output connector to set mechanical active locking device, the apparatus structure is simple, and anti-loosing effect is obvious, and Wear out failure is not susceptible to, high pressure connection is reliable between can ensureing each battery case well.
11st, it is provided with technical solutions of the utility model and shows table without programmed voltages such as BMS, its reading is direct Reflect actual high-voltage value in battery case.In actual maintenance, can according to the reading quickly judge be BMS fault misdescriptions voltage also It is that battery is damaged in itself, it is to avoid unpacking this operation of measured battery output end voltage, improves maintenance efficiency, reduce maintenance Risk.
12nd, it is provided with the temperature associated with actual temperature in case in technical solutions of the utility model to paste, its reading can be with Reflect actual temperature in battery case.Although there is certain error in this mode, but can provide the temperature inside the box ginseng of enough accuracy Value is examined, reports after temperature compares, can quickly judge in the failures such as BMS programs, temperature sensor or battery case with BMS Battery temperature is abnormal, it is to avoid unpacking this operation of measured battery temperature, improves and safeguards feasibility and efficiency, reduces maintenance Risk.
13rd, the utility model is provided with inertia switch also on battery case, and devises a set of control strategy.When vehicle hair During raw collision, the output of battery case energy active self-protection cutoff high power supply sends double sudden strain of a muscle instruction early warning, while releasing car door electricity The convenient emergency relief that may be needed of son lock, ensures driver safety to greatest extent.Once the alarm is triggered, it is necessary to driver's hand It is dynamic to reset inertia switch on battery case one by one, it is possible thereby to substantially ensure that each battery case state was artificially checked, it is to avoid occur It is dangerous.
14th, the technical solution of the utility model is simple in construction, it is easy to the transformation and upgrade on the basis of existing parts, controlling party Case precise and high efficiency, response is rapid.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the battery case of the preferred embodiment according to high-energy-density easy care battery box structure of the present utility model Overall assembling structural representation；
Fig. 2 is the battery case of the preferred embodiment according to high-energy-density easy care battery box structure of the present utility model Overall assembling structure sectional view；
Fig. 3 be according to high-energy-density easy care battery box structure of the present utility model a preferred embodiment monomer simultaneously The formed battery pack structure schematic diagram of connection；
Fig. 4 is the battery bag of the preferred embodiment according to high-energy-density easy care battery box structure of the present utility model Between connect copper-line device structural representation；
Fig. 5 is the battery bag of the preferred embodiment according to high-energy-density easy care battery box structure of the present utility model The formed battery pack structure schematic diagram of series connection；
Fig. 6 is the battery bag of the preferred embodiment according to high-energy-density easy care battery box structure of the present utility model The formed battery pack structure side view of series connection；
Fig. 7 is the battery case of the preferred embodiment according to high-energy-density easy care battery box structure of the present utility model Body structural representation；
Fig. 8 is the easy care of the preferred embodiment according to high-energy-density easy care battery box structure of the present utility model Connect plug construction schematic diagram；
Fig. 9 is the battery case of the preferred embodiment according to high-energy-density easy care battery box structure of the present utility model Top cover and control system architecture schematic diagram；
Figure 10 is Fig. 9 B-B directions sectional view；
Figure 11 is Fig. 9 D-D directions sectional view；
Figure 12 is Fig. 9 C-C directions sectional view；
Figure 13 is the battery of the preferred embodiment according to high-energy-density easy care battery box structure of the present utility model Group protecting cover structure schematic diagram；
Figure 14 is the battery of the preferred embodiment according to high-energy-density easy care battery box structure of the present utility model Case workflow schematic diagram；
Reference：
100 be that easy care connects plug, and 200 be battery case top cover and control system for series connection copper-line device, 300, and 400 are Vehicle electrical appliance device（It is unrelated with the utility model structure, auxiliary expression power connection structure）, 500 be Battery case structure, 600 be battery pack structure, and 700 be battery pack structure, and 800 be battery pack top cover；
101 be easy care plug bracket, and 102 be information gathering pcb board, and 103 be socket copper bar, and 104 be knurled nut, 105 be plug copper bar, and 106 be R type pins, and 107 be insulating protecting plate, and 108 be knurled nut；
201 be series connection copper bar support, and 202 be temperature sensor, and 203 be voltage acquisition line, and 204 be series connection copper bar；
Contactor protective cover is born based on 301,302 be fuse protective cover, and 303 be that voltage shows table, and 304 be that high pressure is connected Device, 305 be U-type groove, and 306 be negative lead, and 307 be positive lead, and 308 be BMS protective covers, positive contactor based on 309 Protective cover, 310 be high-voltage line bearing, and 311 be low pressure air plug, and 312 be battery roof box, contactor is born based on 313,314 be molten Disconnected device, positive contactor based on 315；316 be total connection row, and 317 be BMS；
501 be inertia switch, and 502 be temperature patch, and 503 be battery case left plate, and 504 be bucker, and 505 is after battery cases Plate, 506 be fan exhaust mouthful, and 507 be battery case internal partition, and 508 be air inlet, and 509 be battery case right panel, and 510 be battery case Foreboard, 511 be battery case bottom plate, and 512 be air ejector fan, and 513 be L-type tie-beam, and 514 be U-shaped tie-beam；
601 be turning copper bar, and 602 be battery separator auricle, and 603 be battery pack internal partition, and 604 be battery pack inner ear Piece, 605 be battery pack retainer, and 606 be lightening hole, and 607 be battery pack press strip, and 608 be battery pack convex platform, and 609 be battery Group lower convex platform；
701 be battery cell negative electrode lug, and 702 be battery cell anode ear, and 703 be battery cell closedtop, and 704 be thermal conductive silicon Rubber cushion, 705 be battery cell；
801 be cable hole, and 802 be protective plate, and 803 be lug dividing plate, and 804 be neck.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.
In order to overcome battery case in electric automobiles the problems of in the prior art, the utility model embodiment is proposed A kind of high-energy-density easy care battery box structure, this electricity using Stackable batteries monomer as the high-energy-density of elementary cell Pond box structure, can meet pure electric vehicle battery case intensity requirement, can overcome battery case technological deficiency in the prior art, it is easy to tie up Shield, and with certain active protecting device, practicality and security are greatly improved.
As depicted in figs. 1 and 2, high-energy-density easy care battery box structure described in the present embodiment includes and vehicle electrical appliance The Battery case structure 500 that device 400 is connected, in addition to easy care connection plug 100, series connection copper-line device 200, battery case Top cover and control system 300, battery pack structure 600, battery pack structure 700 and battery pack top cover 800；Easy care connects plug 100th, series connection copper-line device 200 and battery pack structure 700 are arranged in Battery case structure 500, battery case top cover and control system System 300 is arranged at the top of Battery case structure 500；Easy care connection plug 100 is used to realize between connected two battery pack structure 600 Series connection；Battery pack top cover 800 is arranged on the top of battery pack structure 600, and battery pack structure 600 is protected.
High-energy-density easy care battery box structure described in the present embodiment, employs the ternary layers suitable for high-energy-density The battery box structure of stacked battery cell.Battery pack structure 700 uses battery cell to be laminated for the ternary material of high-energy-density Formula rectangular lithium ion battery, first carries out composing in parallel battery bag, then connected according to global design demand.Battery pack structure The lug of battery cell 705 is successively stairstepping to middle bending in 700, and surface is stacked together two-by-two, and contact portion is used Ultrasonic bonding is firm, and concentric circle holes are beaten in appropriate location on lug face.Battery cell 705 is with it in battery pack structure 700 The contact of length and width formed plane is stacked between arrangement, each two monomer to be bonded together using the heat-conducting silica gel sheet 704 containing glue surface.This The battery box structure of kind Stackable batteries monomer, compact conformation, exquisiteness take into full account the stress of battery cell in battery case, consolidated The practical problems such as fixed, heat conduction, radiating, vibration, maintenance, replacing.Made exemplar test quality specific energy is 147.84Wh/kg, body Product specific energy is 325.16Wh/L, and the battery system specific energy of general passenger car is only 90Wh/kg and 250Wh/L.
High-energy-density easy care battery box structure employs modularization, the design philosophy of unitisation described in the present embodiment, Designed structure is using flexibly, and interchangeability is strong, easy to maintenance.According to overall needs, battery cell parallel connection is first formed into battery bag, Again battery bag is fixed in retainer and is sequentially connected in series to form battery pack, battery pack is fixed on bottom plate and is sequentially connected in series to be formed High voltage supply part in battery case.In actual use, spare part can be set to battery pack, battery bag, battery cell respectively, According to the condition of maintenance, certain battery bag, battery cell can be changed whole battery pack quick-replaceable or only.
High-energy-density easy care battery box structure employs the design philosophy of multi-zone supervision described in the present embodiment, during design By height casting die layered arrangement, by load and non-bearing part hierarchical design.
High-pressure section is encapsulated in inside battery case by high-energy-density easy care battery box structure described in the present embodiment, and incite somebody to action Low pressure control section is encapsulated at the top of battery case.Electromagnetic interference of the high-pressure system to control system can so be weakened, while It is avoided that the infringement to control system such as high-voltage arc.Only to battery case control system, when such as BMS is safeguarded, it can keep away Exempt to take apart battery case this dangerous and cumbersome operation, it is operable to open Package boxes directly at the top of battery case.Carry significantly The high efficiency of on-site maintenance control system, also reduces the risk in operation.
High-energy-density easy care battery box structure described in the present embodiment for having carried out network analysis to battery box structure, Prepared for only playing holding, case inner structural member that is spacing, being dielectrically separated from etc. using the less engineering plastics of density；And for Play the cabinet panel then higher metal material preparation of use intensity of load, protection etc..So can be fully sharp as needed With dissimilar material properties, on the premise of equal security is ensured, lightweight optimization is carried out to battery box structure from material.
High-energy-density easy care battery box structure has taken into full account the force-applied situation of battery cell described in the present embodiment. Used stacked rectangular cell monomer is because of its preparation principle, it is impossible to bear concentration of local stress, can not at top and side Can not load at load, lug.Battery bag is bonded as with heat-conducting silica gel sheet after each battery cell is alignd in the utility model, is prevented Only its lug welded together that misses one another and pull.Battery bag is placed in retainer, it is spacing with press strip at the top of it, The frictional force that leading surface contact is produced on the best face of force-bearing property is fixed, and without concentrated stress on each battery cell, is optimized Battery stressing conditions.
High-energy-density easy care battery box structure described in the present embodiment takes into full account heat conduction and the radiating road of battery cell Footpath.Without directly contacting between each battery cell, there is heat-conducting silica gel sheet isolation, its heat dispersion, excellent insulation performance can prevent straight It is grounded chain thermal runaway to occur, and can effectively slows down the vibration of each battery cell.The heat transfer sent of battery cell to Heat conductive silica gel, heat conductive silica gel is passed up to heat conduction press strip.Heat conduction press strip upper surface is heat dissipation wind channel, from right and left air inlet suction Wind discharged through aft fan, heat is scattered to outside battery case.Radiated, had all the time in end using air-draft-type in the utility model Negative pressure source is present, and can form higher-pressure region after being locally obstructed on air channel, can evacuate automatically, and bleed type radiating then can not be eliminated quickly Partial high pressure area.
Battery acquisition system is entered in units of battery pack in high-energy-density easy care battery box structure described in the present embodiment OK, gathering line is uniformly accessed into the PCB collection plates in each battery pack in each battery pack, and BMS is connected into again from plate by PCB collection plates, Fly line can so be avoided.Meanwhile, the connector on plug pcb board is only needed in quick-replaceable battery pack, in quick-replaceable BMS From plate when, only need plug BMS connectors at plate interface, improve and change efficiency.SMD fuse and voltage-stabiliser tube on pcb board It can effectively prevent the high current produced after the short circuit of battery cell gathering line, overlap joint, voltage from, from the damage of plate, being reduced to BMS Maintenance cost.
In high-energy-density easy care battery box structure described in the present embodiment Fast-Maintenance has been used in series between each battery pack Plug design.In actual use, the electrical connection between two battery packs can just can not be disconnected by instrument so that change electricity The feasibility of pond group is greatly improved；In case of emergency, each battery pack can be also quickly isolated out, further dangerous hair is prevented It is raw.Meanwhile, the maintenance plug has active anti-loose structure again, it is ensured that the reliability of connection.
High-energy-density easy care battery box structure described in the present embodiment is additionally set for existing High voltage output connector Mechanical active locking device.Extra on High voltage output connector to set mechanical active locking device, the apparatus structure is simple, Anti-loosing effect substantially, and is not susceptible to wear out failure, and high pressure connection is reliable between can ensureing each battery case well.
It is provided with high-energy-density easy care battery box structure described in the present embodiment without programmed voltages such as BMS Table is shown, its reading directly reflects actual high-voltage value in battery case.In actual maintenance, can be according to the quick judgement of the reading BMS fault misdescriptions voltage or battery are damaged in itself, it is to avoid unpacking this operation of measured battery output end voltage, improve dimension Efficiency is protected, reduces and safeguards risk.
It is provided with high-energy-density easy care battery box structure described in the present embodiment associated with actual temperature in case Temperature is pasted, and its reading can reflect actual temperature in battery case.Although be present certain error in this mode, but can provide enough The temperature inside the box reference value of precision, reports after temperature compares with BMS, can quickly judge it is BMS programs, temperature sensor etc. In failure or battery case battery temperature is abnormal, it is to avoid unpacking this operation of measured battery temperature, improves and safeguards feasibility And efficiency, reduce and safeguard risk.
High-energy-density easy care battery box structure described in the present embodiment is provided with inertia switch also on battery case, and sets A set of control strategy is counted.When a vehicle is in a collision, battery case energy active self-protection cutoff high power supply is exported, and sends double Instruction early warning is dodged, while releasing the convenient emergency relief that may be needed of door electronic lock, ensures driver safety to greatest extent.One Denier triggers the alarm, it is necessary to which driver resets inertia switch on battery case one by one manually, it is possible thereby to substantially ensure that each battery case State was artificially checked, it is to avoid occurred dangerous.
High-energy-density easy care battery box structure, simple in construction described in the present embodiment, it is easy on existing parts basis Upper transformation and upgrade, control program precise and high efficiency, response is rapid.
In order to which the battery box structure that the utility model is proposed is explicitly described, with reference to Fig. 1 to 13, with a kind of battery cell Illustrated exemplified by the constituted battery box system of 2 and 72 strings.
After the battery cell anode ear 702 of battery cell 705, the bending of battery cell negative electrode lug 701, with another monomer two-by-two Pairing.Using ultrasonic wave by its tab welding together, bonded between monomer with thermal conductive silicon rubber cushion 704 of the two sides containing glue, constitute electricity Chi Bao.Wherein, the upper surface outline of thermal conductive silicon rubber cushion 704 is higher than battery cell closedtop 703.
The main part of series connection copper-line device 200 is series connection copper bar support 201, there is two fixing points containing through hole thereon, And it is fixed with series connection copper bar 204, temperature sensor 202 and voltage acquisition line 203.The bottom of copper bar support 201 connect for zigzag, It can be corresponding in turn to and the top wedging of battery pack press strip 607.
Battery pack retainer 605 is a cuboid cavity structure, and it is internally provided with battery pack internal partition 603 and battery pack Lightening hole 606 is designed with interior auricle 604, its side wall；Its end is provided with battery pack convex platform 608 and battery pack lower convex platform 609.Battery separator auricle 602 is provided with battery pack internal partition 603.Battery pack structure 700 is fitted battery pack retainer Auricle 604 slides into retainer bottom in 605 side walls and battery pack, inserts battery pack pressure in two lug spaces at an upper portion thereof successively Bar 607.Battery pack press strip 607 is made up of heat-conducting plastic, be able to clamp battery cell closedtop 703, and its bottom can be with heat conduction The upper limb good contact of silicagel pad 704.The bottom of series connection copper bar support 201 and the top wedging of battery pack press strip 607, copper bar support of connecting Auricle can be fixedly connected with by bolt with battery separator auricle 602 on 201, so as to complete the upper limit of battery pack structure 700.String Connection copper bar 204 two ends are connected with lug on adjacent two battery pack structure 700 respectively, the two ends of turning copper bar 601 respectively with side by side Lug is connected on two battery pack structures 700, so as to realize series connection in battery pack.Temperature sensor 202 can gather corresponding position Temperature information, voltage acquisition line 203 can gather corresponding voltage information.
In Battery case structure 500 in battery case left plate 503, battery case bottom plate 511, battery case right panel 509, battery case every Plate 507 is integrally fixedly connected.In assembling and maintenance, battery case foreboard 510, battery case back plate 505 and battery roof box 312 can freely dismantle.Battery case internal partition 507 mainly rises to be made to battery pack mechanical isolation, and increase square cavity integral rigidity With.Flame-resistant insulation material is covered with above-mentioned battery boxboard inner surface.Set in battery case left plate 503 and battery case right panel 509 There is air inlet, air inlet is provided with bucker 504, it is internal containing filter screen and dry cotton, can improve the water proof and dust proof of FCL Grade.
Battery pack lower convex platform 609 is provided with through hole, can be fixedly connected by bolt with battery case bottom plate 511.In battery pack Boss 608 is used to dispose easy care to connect plug 100.
Easy care plug bracket 101 and the company of being bolted of battery pack convex platform 608 on easy care connection plug 100 Connect.Easy care plug bracket 101 is provided with information gathering pcb board 102 and socket copper bar 103.The one end of information gathering pcb board 102 It is connected with voltage acquisition line 203 and temperature sensor 202, its other end is connected with BMS317, which is provided with SMD fuse And voltage-stabiliser tube, can be in short circuit and protection BMS is not damaged by when making contact.Plug copper bar 105 is embedded in the lower surface of insulating protecting plate 107 On, its two ends is corresponding with the socket bronze medal 103 being connected on two easy care plug brackets 101 respectively, and knurled nut 104 passes through upper State to be combined with knurled nut 108 after the through hole on part and be fixed.Through hole is provided with the appropriate location of knurled nut 104, Gu After setting, the through hole is passed through using R types pin 106, so as to realize locking functions.Above-mentioned knurled nut 104, knurled nut 108 are General hand twists pre-tightening apparatus, and R types pin 106 is plug-in, therefore the structure can be under the premise of active be locking, without using instrument just Fast assembling-disassembling.After the easy care connection device of plug 100 has been connected, that is, the series connection between two battery pack structures 600 that are connected is realized, it is no Then disconnect electrical connection between adjacent two battery pack structure 600.
After the completion of battery pack structure 600 is connected, its top can be protected by battery pack top cover 800.Protective plate 802 can be prevented There is foreign matter to fall into when opening battery roof box 312 and cause short circuit；Lug dividing plate 803 is set to prevent battery case from vibrating, touching Hit and touch short circuit between two neighboring pole ear；Cable hole 801 can facilitate gathering line flexible arrangement.
Battery roof box 312 has isolated bottom high-tension battery group structure 600 and top A-battery case top cover from machinery And control system 300.
The front end of battery roof box 312 is disposed with main negative contactor protective cover 301, includes main negative contactor 313；Fuse is prevented Shield 302, includes fuse 314；Main positive contactor protective cover 309, includes main positive contactor 315.Main negative contactor 313 and master Positive respective one end of contactor 315 respectively by the total connection row 316 of correspondence with connected in battery case after total negative, the total anode of battery pack It is connected；The main negative other end of contactor 313 is connected with negative lead 306 again after being connected with fuse 314；Main positive connector 315 The other end is connected with positive lead 307.After negative lead 306, positive lead 307 are fixed by high-voltage line bearing 310 Access high-tension connector 304 one；The other end of high-tension connector 304 is drawn by vehicle electrical appliance device 400, when in use By butt and butt, it is fastened by bolts after U-type groove 305 is caught in, constitutes active anti-loose structure.
The rear end of battery roof box 312 is disposed with BMS protective covers 308, and its enclosed inside BMS317, realizes to battery system Supervision；Low pressure air plug 311 is housed on a side wall, BMS control information can be connected to outside battery case；Place is pacified in position Table 303 is shown equipped with voltage, true total voltage in battery case can be reflected in real time., can when BMS317 sends unusual voltage data Show that table 303 quickly judges real voltage value in case by the voltage.
Some fan exhausts mouthful 506 are provided with battery case back plate 505, air ejector fan 512 is arranged on the fan exhaust mouthful At 506, and it is corresponding with the position of battery pack structure in case 600.Natural wind is through screen pack at air inlet 508 and dries cotton processing Afterwards, into inside battery case.Battery cell 705 generates heat when working, and heat transfer is to thermal conductive silicon rubber cushion 704, thermal conductive silicon rubber cushion 704 Battery pack press strip 607 is transferred heat to, its surface heat is taken away, sent out by air ejector fan 512 outside battery case by wind, complete to dissipate Heat.
Temperature patch 502 is provided with battery case foreboard 510.Temperature patch 502 is simple paster type, and temperature-sensitive material is contained in its inside Material, can make a response to temperature change, such as volumetric expansion or discoloration.From above-mentioned air channel, from battery case both sides air intake, rear portion Air draft, the worst point of radiating effect should be the anterior midpoint of battery.By the patch of temperature patch 502 in this place, battery case will can most be shown Interior temperature.Temperature calibration is carried out to battery case, actual temperature in battery case is obtained with precision temperature sensor, and demarcate successively On temperature paster scale or legend.In actual use, you can learn battery the temperature inside the box by temperature patch 502, once When BMS317 sends unusual temperature value, actual temperature situation in present battery case can be quickly judged.
On appropriate location on battery case, such as battery case left plate 503, inertia switch 501 is installed.The inertia switch 501 Operative orientation is consistent with vehicle heading.
Battery case bottom plate 511 is provided with L-type tie-beam 513 and U-shaped tie-beam 514, can be by L-type tie-beam 513 and U-shaped Tie-beam 514 fixes battery case with chassis of vehicle body.The threshold value that the inertia switch 501 is set is battery box structure in design when institute There may be the smaller value in both peak accelerations when the peak acceleration that can be born is with institute's loading vehicles collision.
At work, flow it will be responded as shown in Figure 14.When normal driving, detect inertia switch 501 and enter line activating, If activating quantity exceedes battery case half, into fault mode, cut-out battery is exported, and is sent fault alarm and is activated double dodge and reports It is alert, each door electronic lock is then released, vehicle stops.If activating quantity not less than battery case half, into modes of warning, Maintenance warning is sent, driver, which checks, to be confirmed and hand-reset.
Above-described embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect One step is described in detail, be should be understood that and be the foregoing is only embodiment of the present utility model, is not used to limit Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, is equally replaced Change, improve, should be included within protection domain of the present utility model.

Claims (30)

1. a kind of high-energy-density easy care battery box structure, including with vehicle electrical appliance device（400）The battery case being connected Body structure（500）, it is characterised in that：The high-energy-density easy care battery box structure also includes easy care and connects plug （100）, series connection copper-line device（200）, battery case top cover and control system（300）, battery pack structure（600）, battery pack structure （700）With battery pack top cover（800）；The easy care connects plug（100）, series connection copper-line device（200）And battery pack structure （700）It is arranged at Battery case structure（500）It is interior, the battery case top cover and control system（300）It is arranged at Battery case knot Structure（500）Top；The easy care connects plug（100）For realizing connected two battery pack structure（600）Between series connection；It is described Battery pack top cover（800）It is arranged on battery pack structure（600）Top, to battery pack structure（600）Protected.
2. high-energy-density easy care battery box structure as claimed in claim 1, it is characterised in that：The battery pack structure （700）Battery cell is used for the stacked rectangular lithium ion battery of the ternary material of high-energy-density, according to global design demand First carry out composing in parallel battery bag, then connected.
3. high-energy-density easy care battery box structure as claimed in claim 1, it is characterised in that：The battery pack structure （700）Middle battery cell（705）Lug successively to middle bending be stairstepping, two-by-two surface be stacked together, contact portion It is firm using ultrasonic bonding, and concentric circle holes are beaten in appropriate location on lug face.
4. high-energy-density easy care battery box structure as claimed in claim 1, it is characterised in that：The battery pack structure （700）Middle battery cell（705）Stacked with the contact of its length and width formed plane and use leading containing glue surface between arrangement, each two monomer Hot silica gel piece（704）It is bonded together.
5. the high-energy-density easy care battery box structure as described in claim 3 or 4, it is characterised in that：The battery inclusion Structure（700）Middle battery cell（705）Lug include battery cell anode ear（702）With battery cell negative electrode lug（701）, it is described Battery cell（705）Battery cell anode ear（702）, battery cell negative electrode lug（701）After bending, match somebody with somebody two-by-two with another monomer It is right, using ultrasonic wave by its tab welding together, with thermal conductive silicon rubber cushion of the two sides containing glue between battery cell（704）Bonding, structure Into battery pack structure（700）.
6. high-energy-density easy care battery box structure as claimed in claim 5, it is characterised in that：The thermal conductive silicon rubber cushion （704）Upper surface is higher than battery cell（705）Battery cell closedtop（703）.
7. high-energy-density easy care battery box structure as claimed in claim 1, it is characterised in that：The series connection copper-line device （200）With series connection copper bar support（201）, the series connection copper bar support（201）Two fixing points containing through hole of upper setting are simultaneously solid Surely there is series connection copper bar（204）, temperature sensor（202）With voltage acquisition line（203）, the temperature sensor（202）For adopting Collect corresponding position temperature information, the voltage acquisition line（203）For gathering corresponding voltage information.
8. high-energy-density easy care battery box structure as claimed in claim 7, it is characterised in that：The series connection copper bar support （201）Bottom be zigzag, can be corresponding in turn to and battery pack structure（600）Battery pack press strip（607）Top wedging.
9. high-energy-density easy care battery box structure as claimed in claim 1, it is characterised in that：The battery pack structure （600）Battery pack retainer with a cuboid cavity structure（605）, the battery pack retainer（605）It is internally provided with Battery pack internal partition（603）With auricle in battery pack（604）, the battery pack retainer（605）Lightening hole is designed with the wall of side （606）, the battery pack retainer（605）End is provided with battery pack convex platform（608）With battery pack lower convex platform（609）.
10. high-energy-density easy care battery box structure as claimed in claim 9, it is characterised in that：In the battery pack every Plate（603）On be provided with battery separator auricle（602）.
11. high-energy-density easy care battery box structure as claimed in claim 1, it is characterised in that：The battery pack structure （700）Laminating battery pack retainer（605）Auricle in side wall and battery pack（604）Slide into battery pack retainer（605）Bottom, Insert battery pack press strip in two lug spaces at an upper portion thereof successively（607）.
12. high-energy-density easy care battery box structure as claimed in claim 11, it is characterised in that：The battery pack press strip （607）It is made up of heat-conducting plastic, the battery pack press strip（607）For clamping battery cell closedtop（703）, the battery pack Press strip（607）Bottom and thermal conductive silicon rubber cushion（704）Upper limb is contacted.
13. high-energy-density easy care battery box structure as claimed in claim 7 or 8, it is characterised in that：The series connection copper bar Support（201）Bottom and battery pack press strip（607）Top wedging, the series connection copper bar support（201）Upper auricle by bolt with Battery separator auricle（602）It is fixedly connected with, for completing battery pack structure（700）Upper limit.
14. high-energy-density easy care battery box structure as claimed in claim 1, it is characterised in that：The series connection copper bar dress Put（200）Series connection copper bar（204）Two ends respectively with adjacent two battery pack structure（700）Upper lug connection, the battery pack Structure（600）Turning copper bar（601）Two ends respectively with two battery pack structures side by side（700）Upper lug connection, so that real Connected in existing battery pack.
15. high-energy-density easy care battery box structure as claimed in claim 1, it is characterised in that：The Battery case knot Structure（500）With battery case left plate（503）, battery case bottom plate（511）, battery case right panel（509）, battery case internal partition（507）, The battery case left plate（503）, battery case bottom plate（511）, battery case right panel（509）, battery case internal partition（507）It is integrated solid Determine attachment structure.
16. high-energy-density easy care battery box structure as claimed in claim 15, it is characterised in that：The battery case left plate （503）And the battery case right panel（509）On be provided with air inlet；The air inlet is provided with bucker（504）, inside it Contain filter screen and dry cotton.
17. high-energy-density easy care battery box structure as claimed in claim 9, it is characterised in that：It is convex under the battery pack Platform（609）Through hole is provided with, bolt and battery case bottom plate can be passed through（511）It is fixedly connected.
18. high-energy-density easy care battery box structure as claimed in claim 9, it is characterised in that：The battery pack is convex Platform（608）For disposing easy care to connect plug（100）.
19. high-energy-density easy care battery box structure as claimed in claim 1, it is characterised in that：The easy care connection Plug（100）It is provided with easy care plug bracket（101）, information gathering pcb board（102）With socket copper bar（103）, the easy dimension Protect plug bracket（101）With battery pack convex platform（608）It is bolted to connection, described information collection pcb board（102）One end With voltage acquisition line（203）And temperature sensor（202）Connection, described information collection pcb board（102）The other end and BMS（317） Connection, described information collection pcb board（102）It is provided with SMD fuse and voltage-stabiliser tube.
20. high-energy-density easy care battery box structure as claimed in claim 1, it is characterised in that：The easy care connection Plug（100）With plug copper bar（105）And insulating protecting plate（107）, the plug copper bar（105）Embedded insulating protecting plate （107）On lower surface, the plug copper bar（105）Two ends respectively with the two easy care plug brackets that are connected（101）On socket Copper bar（103）Correspondence；Using knurled nut（104）Through plug copper bar（105）And insulating protecting plate（107）On through hole after with Knurled nut（108）With reference to being fixed.
21. high-energy-density easy care battery box structure as claimed in claim 1, it is characterised in that：The battery case top cover And control system（300）It is provided with battery roof box（312）, the battery roof box（312）For mechanical isolation bottom high pressure Battery pack structure（600）With top A-battery case top cover and control system（300）.
22. high-energy-density easy care battery box structure as claimed in claim 1, it is characterised in that：The battery pack top cover （800）It is provided with cable hole（801）, protective plate（802）With lug dividing plate（803）, the protective plate（802）For preventing from beating Open battery roof box（312）When foreign matter fall into and cause short circuit, the lug dividing plate（803）For preventing battery case from vibrating, touching Hit and touch short circuit, the cable hole between two neighboring pole ear（801）For gathering line flexible arrangement.
23. high-energy-density easy care battery box structure as claimed in claim 22, it is characterised in that：The battery roof box （312）Front end be disposed with main negative contactor protective cover（301）, fuse protective cover（302）, main positive contactor protective cover （309）, the master bears contactor protective cover（301）Include main negative contactor（313）, the fuse protective cover（302）Include Fuse（314）, the positive contactor protective cover of master（309）Include main positive contactor（315）.
24. high-energy-density easy care battery box structure as claimed in claim 23, it is characterised in that：The vehicle electrical appliance Device（400）With Battery case structure（500）Between be provided with high-tension connector（304）, U-type groove（305）Fixed, BMS protection Cover（308）, high-voltage line bearing（310）, the battery case top cover and control system（300）It is provided with total connection row（316）, it is described Main negative contactor（313）With the positive contactor of the master（315）Arranged respectively by the total connection of correspondence respective one end（316）With battery case Battery pack after interior series connection is always born, total anode is connected, and the master bears contactor（313）The other end and the fuse（314）Phase Lian Houzai and negative lead（306）It is connected, the positive contactor of master（315）The other end and positive lead（307）It is connected, institute State negative lead（306）, the positive lead（307）Pass through high-voltage line bearing（310）High-tension connector is accessed after fixation （304）One, the high-tension connector（304）Other end by vehicle electrical appliance device（400）Draw, by two when using Docking, by U-type groove（305）Composition active anti-loose structure is fastened by bolts after being caught in.
25. high-energy-density easy care battery box structure as claimed in claim 24, it is characterised in that：The BMS protective covers （308）It is arranged in battery roof box（312）Rear end, the BMS protective covers（308）Enclosed inside BMS（317）.
26. high-energy-density easy care battery box structure as claimed in claim 21, it is characterised in that：The battery roof box （312）Low pressure air plug is housed on the wall of side（311）Table is shown with voltage（303）, the low pressure air plug（311）For by BMS controls Information is connected to Battery case structure（500）Outside, the voltage shows table（303）For reflecting Battery case structure in real time（500） Interior true total voltage.
27. high-energy-density easy care battery box structure as claimed in claim 1, it is characterised in that：The Battery case knot Structure（500）With battery case back plate（505）, the battery case back plate（505）On be provided with for installing air ejector fan（512）'s Fan exhaust mouthful（506）, the air ejector fan（512）Installed in the fan exhaust mouthful（506）Place and with Battery case structure （500）Interior battery pack structure（600）Position is corresponding.
28. high-energy-density easy care battery box structure as claimed in claim 1, it is characterised in that：The Battery case knot Structure（500）With battery case foreboard（510）, the battery case foreboard（510）On be provided with temperature patch（502）, the temperature patch （502）Contain thermo-sensitive material in inside.
29. high-energy-density easy care battery box structure as claimed in claim 1, it is characterised in that：The Battery case knot Structure（500）With battery case left plate（503）, the battery case left plate（503）On inertia switch is installed（501）, the inertia Switch（501）Operative orientation it is consistent with vehicle heading.
30. high-energy-density easy care battery box structure as claimed in claim 1, it is characterised in that：The Battery case knot Structure（500）With battery case bottom plate（511）, the battery case bottom plate（511）It is provided with L-type tie-beam（513）With U-shaped tie-beam （514）, the L-type tie-beam（513）With U-shaped tie-beam（514）For Battery case structure（500）With consolidating for chassis of vehicle body It is fixed.
CN201621388267.3U 2016-12-17 2016-12-17 A kind of high-energy-density easy care battery box structure Active CN206471374U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621388267.3U CN206471374U (en) 2016-12-17 2016-12-17 A kind of high-energy-density easy care battery box structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621388267.3U CN206471374U (en) 2016-12-17 2016-12-17 A kind of high-energy-density easy care battery box structure

Publications (1)

Publication Number Publication Date
CN206471374U true CN206471374U (en) 2017-09-05

Family

ID=59711082

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621388267.3U Active CN206471374U (en) 2016-12-17 2016-12-17 A kind of high-energy-density easy care battery box structure

Country Status (1)

Country Link
CN (1) CN206471374U (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106450098A (en) * 2016-12-17 2017-02-22 北京理工大学 High-energy-density easy-to-maintain battery box structure
CN107768569A (en) * 2017-10-18 2018-03-06 深圳市高能达电池有限公司 It is a kind of to store up the electrokinetic cell system for changing separation
CN108023047A (en) * 2018-01-04 2018-05-11 嘉兴宋氏模塑工业有限公司 Reinforced solar storage battery box
CN108155312A (en) * 2017-12-06 2018-06-12 力帆实业(集团)股份有限公司 quick change battery pack assembly
CN110112476A (en) * 2019-04-30 2019-08-09 格林美（武汉）城市矿产循环产业园开发有限公司 A kind of power battery guard system
CN110165111A (en) * 2019-05-23 2019-08-23 成都特隆美储能技术有限公司 It is a kind of to realize the battery flat being quickly electrically connected
CN112436221A (en) * 2021-01-28 2021-03-02 新乡学院 New forms of energy lithium cell group
CN114878991A (en) * 2022-06-01 2022-08-09 广州小鹏汽车科技有限公司 Arc detection circuit, battery pack, and arc detection method

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106450098A (en) * 2016-12-17 2017-02-22 北京理工大学 High-energy-density easy-to-maintain battery box structure
CN107768569A (en) * 2017-10-18 2018-03-06 深圳市高能达电池有限公司 It is a kind of to store up the electrokinetic cell system for changing separation
CN108155312A (en) * 2017-12-06 2018-06-12 力帆实业(集团)股份有限公司 quick change battery pack assembly
CN108155312B (en) * 2017-12-06 2023-05-16 力帆实业(集团)股份有限公司 Quick-change battery pack assembly
CN108023047A (en) * 2018-01-04 2018-05-11 嘉兴宋氏模塑工业有限公司 Reinforced solar storage battery box
CN108023047B (en) * 2018-01-04 2023-12-12 嘉兴宋氏模塑工业有限公司 Reinforced solar storage battery box
CN110112476A (en) * 2019-04-30 2019-08-09 格林美（武汉）城市矿产循环产业园开发有限公司 A kind of power battery guard system
CN110165111A (en) * 2019-05-23 2019-08-23 成都特隆美储能技术有限公司 It is a kind of to realize the battery flat being quickly electrically connected
CN110165111B (en) * 2019-05-23 2022-05-20 成都特隆美储能技术有限公司 Battery compartment capable of realizing quick electrical connection
CN112436221A (en) * 2021-01-28 2021-03-02 新乡学院 New forms of energy lithium cell group
CN114878991A (en) * 2022-06-01 2022-08-09 广州小鹏汽车科技有限公司 Arc detection circuit, battery pack, and arc detection method

Similar Documents

Publication Publication Date Title
CN206471374U (en) A kind of high-energy-density easy care battery box structure
CN106450098A (en) High-energy-density easy-to-maintain battery box structure
CN102306717B (en) Lithium ion power battery pack for electric automobile and manufacturing method of lithium ion power battery pack
KR101230954B1 (en) Battery Module Having Sensing Member with Novel Structure
CN207529980U (en) A kind of power battery pack and new-energy automobile
CN101395490B (en) Voltage sensing member and battery module employed with the same
KR101262029B1 (en) Battery Pack of Improved Safety
CN102934254A (en) Battery module having novel structure
KR101853397B1 (en) Battery Module
JP2014517448A (en) Battery pack with improved safety
CA2728679A1 (en) Vehicle battery systems and methods
CN104094448B (en) There is the battery cell assembly of the safety of enhancing and include the battery module of this battery cell assembly
CN114024081B (en) Power battery
CN112072026A (en) Power battery pack
KR20140144473A (en) Battery Module Having Assemblable Bus Bar for Voltage Sensing
CN209217149U (en) A kind of soft pack cell for preventing from overcharging thermal runaway and mould group for electric car
CN101651192A (en) Lithium-ion power battery box
KR20130001970A (en) Battery module assembly and battery pack including the same
JP4082502B2 (en) Uninterruptible power system
CN212587624U (en) Power battery pack
EP4167358A1 (en) Lithium ion battery module and application thereof
CN201532974U (en) Lithium ion power battery box
CN116457993A (en) Battery, electric device, method and equipment for preparing battery
CN219873678U (en) Battery monomer, battery and electric equipment
CN218215617U (en) Thermal runaway alarm device and battery module

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant