CN109103379A - A kind of high-energy high density battery pack integrated system - Google Patents
A kind of high-energy high density battery pack integrated system Download PDFInfo
- Publication number
- CN109103379A CN109103379A CN201810956708.2A CN201810956708A CN109103379A CN 109103379 A CN109103379 A CN 109103379A CN 201810956708 A CN201810956708 A CN 201810956708A CN 109103379 A CN109103379 A CN 109103379A
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- battery
- cover board
- integrated system
- gasket
- battery pack
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- 238000009434 installation Methods 0.000 claims description 24
- 238000009413 insulation Methods 0.000 claims description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000011888 foil Substances 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims 1
- 230000002045 lasting effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 84
- 238000007789 sealing Methods 0.000 description 26
- 239000011889 copper foil Substances 0.000 description 13
- 230000006872 improvement Effects 0.000 description 10
- 239000010410 layer Substances 0.000 description 7
- 230000002633 protecting effect Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 244000227633 Ocotea pretiosa Species 0.000 description 2
- 235000004263 Ocotea pretiosa Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/021—Sealings between relatively-stationary surfaces with elastic packing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/302—Clamped connections, spring connections utilising a screw or nut clamping member having means for preventing loosening of screw or nut, e.g. vibration-proof connection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The present invention relates to battery technology fields, more particularly to a kind of high-energy high density battery pack integrated system, including cabinet, it is packaged in the intracorporal battery modules of case, it is set to the cover board that tank surface encapsulates battery modules, the battery modules are connected by several single batteries, and every group of single battery is the series connection of several battery cores, and several single batteries and several battery cores are respectively provided with connection sheet series connection；The cover board corresponds to every group of single battery and compresses equipped with shockproof strip.The present invention provides the connection bolt pretightening reasonability and lasting stability of the pole of series-parallel connection sheet and single battery for the producing cause of the contact resistance difference of series-parallel contact.
Description
Technical field
The present invention relates to battery technology fields, more particularly to a kind of high-energy high density battery pack integrated system.
Background technique
Battery modules are the battery packs formed by multiple electrical core of power battery serial or parallel connections, so that whole be able to satisfy product
Demand to electric energy.Now, there is the world's largest power battery industry in China, and dynamic lithium battery group is as new-energy automobile core
Component, the quality of performance undoubtedly become the key that can new-energy automobile industry develop in a healthy way.Since electric car needs height
Each components in pressure driving automobile, therefore need that several hundred or even thousands of section single batteries get up to form battery pack in series and parallel to meet
Electric car power demands.And among currently used battery variety, lithium ion battery is put certainly because it is with energy density height
The electric low multiple advantages of rate and be used in new-energy automobile.
Existing lithium battery pack there is problems in actual use: energy density is lower, temperature control is uneven
Box cover is rigidly bad, seal failure, dismantling are inconvenient, vibration momentum passes serious between battery core, influences each other superposition etc. directly
It results in and is existed using instability problem.
Summary of the invention
To solve the above problems, the present invention provides a kind of producing cause of contact resistance difference for series-parallel contact,
The high-energy of the connection bolt pretightening reasonability and lasting stability that provide the pole of series-parallel connection sheet and single battery is high
Densitybattery packet integrated system.
The technical scheme adopted by the invention is that: a kind of high-energy high density battery pack integrated system, including cabinet, encapsulation
In the intracorporal battery modules of case, it is set to the cover board that tank surface encapsulates battery modules, the battery modules are by several monomers
Battery series connection, every group of single battery are the series connection of several battery cores, and several single batteries and several battery cores are respectively provided with connection
Piece series connection；The cover board corresponds to every group of single battery and compresses equipped with shockproof strip.
Further improvement of these options is that gasket is arranged between the cabinet and cover board；The corresponding lid of the cabinet
Plate one side setting flanging, gasket are set to flanging, and the cover board opens up mounting hole and passes through bolt lock across gasket and cabinet
Tightly in cabinet, the gasket corresponds to cover board one side setting raised line.
Further improvement of these options is that the side edge thereof bending is formed with rectangle frame, and the rectangle frame is double
Bending is arranged to form rectangle, corresponds to mounting hole and offers through-hole；The lid surface is offered to be connected for fixing battery modules
The connecting hole of installation is connect, the connecting hole is stretched by lid surface punching and forms flange, and the flange position is welded with clip.
Further improvement of these options is that the gasket is elastic rubber gasket, is integrated into raised line
Type setting, the raised line are equipped with two, are set to gasket and are located at two sides of mounting hole.
Further improvement of these options is that several battery cores are fixed shape by setting peripheral frame outside the single battery
At the peripheral frame side setting lock ring fixes single battery.
Further improvement of these options is pole of the battery core setting for connection, and locking is arranged on the pole
The fixed series connection of connection sheet, the lock-screw are arranged with spring pad and connection sheet are locked by screw.
Further improvement of these options is that the threaded rod outer diameter of the lock-screw offers grooving.
Further improvement of these options is that the spring pad is the setting of ripple type spring pad, is set for double-layer structure
It sets.
Further improvement of these options is that the connection sheet includes the conductive electrode being stacked by several conductive copper layers of foil
Quilt outside piece and the insulation for coating electric conduction electrode-plate, the insulation are outer exposed by electric conduction electrode-plate equipped with notch by both ends.
Further improvement of these options is that the electric conduction electrode-plate exposed parts offer connecting hole, the conductive electrode
It is arc setting outside piece and insulation, the insulation is outer to be offered counterbore, the counterbore and connecting hole away from notch on one side
For the setting of same axle center.
The invention has the benefit that
In a first aspect, setting cabinet facilitates the installation and fixation of battery modules, pass through cover board after fixed installation for battery
Module packaging plays a protective role to battery modules in cabinet, guarantees that battery modules are highly-safe in use, reliably
Property is strong, and stability is good；Second aspect, it is easy to connect if battery modules connect to be formed by a song single battery, after series connection is formed
Capacity is big, and long service life, cruising ability is strong, in addition, single battery is composed in series by multiple battery cores, so as to greatly improve
The capacity of battery modules, use intensity are high；The third aspect, single battery with battery core are connected by connection sheet, connection
Effect is good, is connected by connection sheet, connects easy for installation；Shockproof strip is arranged on the cover board and plays to battery modules for fourth aspect
Fixed function prevents battery modules internal vibration, and shockproof effect is good, and stability is good, highly reliable.
Cover board is equipped with branch nail seat, and the shockproof strip is fixed at branch nail seat, and the branch nail seat is T-type setting comprising
It is fixed on the fixed part of cover board, is integrally formed with fixed part and the strip that shockproof strip is fixed, the shockproof strip is Rubber shockproof
Item comprising main body, the interconnecting piece for being set to main body one side and being connected with branch nail seat are set to main body away from interconnecting piece one side
Shockproof portion, the main body are integrally formed with interconnecting piece and shockproof portion, and the interconnecting piece is equipped with the link slot being connected with strip, institute
It states shockproof portion and offers shockproof slot away from interconnecting piece；Shockproof strip is mounted between cover board and battery series mould set, hand battery strings
Height space constraint between gang mould group cover board, shockproof strip limit the amplitude model of the short transverse vibration of battery series mould set
It encloses, plays the effect of antidetonation energy-absorbing.In addition, being provided with branch nail seat between shockproof strip and cover board, branch nail seat does not set for T-type
It sets, shockproof strip is fixed, anti seismic efficiency.
Between cabinet and cover board be provided with gasket, effect be to cabinet content Naan dress battery modules play it is close
Protective effect is sealed, sealing effect is good, prevents the objects such as liquid from entering situations such as inside causes battery modules to be damaged appearance, further serves as
To protecting effect；Cabinet is provided with flanging in corresponding cover board installation on one side, and gasket is arranged on flanging, can specifically facilitate
The setting of gasket, while also can be improved sealing effect, so that the sealing space of gasket is bigger, sealing effect is more preferable, right
The protecting effect of internal cell mould group is more preferable；Setting mounting hole sequentially passes through cover board, gasket and flanging, particular by bolt
It penetrates mounting hole and realizes fixed installation, easy for installation, good fixing effect locks cover board and flanging by sealing
The compression of pad plays sealing effect；Gasket corresponds to cover board and is equipped with raised line on one side, and the effect that raised line is arranged can further increase
Raised line is compressed realize locking and close in use, when being locked by cover board and flanging by bolt by the sealing effect of gasket
Envelope effect, sealing effect is good, and battery modules use highly-safe, solves cabinet and cover board because stiff problem causes material to become
Shape, and then influence the problem of sealing.The method used is: to prevent from deforming, gasket is adopted for cabinet and the molding of cover board integrated sheet-metal
With the biconvex structure of biconvex gasket, to realize sealing, protecting effect is good, highly-safe.
Pole is set, the pole in the battery core of two adjacent groups is overlapped by connection sheet and is connected, realizes series connection effect, connection
Effect is good, in actual use, sets arc for connection sheet, can lengthen its stroke, facilitates installation, while improving cascading effect
With the safety used；Connection sheet is locked on pole fixed effect of realizing by setting lock-screw, easy for installation, connection
Effect is good, facilitates installation connection to use, cascading effect is good, and what is used is highly-safe；One side is locked to connection sheet in lock-screw
Spring pad is set, shockproof anti-loosing effect can be played particular by spring pad, in actual use after lock-screw is fixed,
Locking effect and antihunt action can be further increased by the effect of spring pad, locking effect is good, and stability is strong；Lock-screw
Threaded rod outer diameter offer grooving, effect is able to maintain even if being collided or other vibration facter lock-screws
Locking does not loosen state, and locking effect is good, and reliability is strong.
Solves thread looseness phenomenon by the combination that grooving and spring pad is arranged in the threaded rod position of lock-screw；Specifically
That the grooving is to cut off threaded rod ring screw, threaded rod ring screw cut off threaded hole on section and pole or
Nut ring screw sassafras face of rubbing forms cutting effect, and the ring screw of grooving and threaded hole or nut forms cutting effect, makes to lock
Tight screw causes spiral seondary effect to be overcome with threaded hole or nut cooperation, and lock-screw and threaded hole or nut cooperation cause spiral shell
Rotation seondary effect is that bolt and nut loosens principal element, lock-screw and threaded hole under shock effect or nut cooperation causes spiral
After seondary effect is overcome, lock-screw and threaded hole or nut pretightning force are obtained in holding, lock-screw and threaded hole or nut
Pretightning force persistently keep, to improve the reliability that battery modules use；The waveform spring pad and conventional helical spring
Pad compared with traditional helical spring pad, is passed compared to that only can play identical amount of deflection and pressure force with the space of one third
The helical spring pad of system is that its material is compressed with reversing variant, so that pressure force is directly proportional to displacement, results in compression
The non-perpendicular both ends with helical spring pad axial direction of pressure force, for needing the pressure of long timeliness to keep sealing structure, such spiral
Structure spring it is difficult to ensure that.
The copper-foil conducting electricity of several layers is formed into electric conduction electrode-plate by stacking mode, can be played in actual use good
Connection effect can play locking antihunt action upon connection, and transmission electricity can be stablized after battery core of connecting by, which guaranteeing, uses, and raising makes
Stability, it is highly reliable；Setting insulation is outer to be encapsulated electric conduction electrode-plate, and insulation specifically is played in electric conduction electrode-plate encapsulation and is protected
Shield effect, improves the safety used, while also having reliable stability and antihunt action；Insulation is outer to be arranged notch by both ends
So that electric conduction electrode-plate is exposed, effect is that the connection of electric conduction electrode-plate is facilitated to install and use, and facilitates series connection conductive during the installation process,
The reliability stability used is good.
The group series connection arc connection sheet being made of multilayer conductive copper foil, polyethylene insulation covering, connecting hole, according to electric current
Collection volt effect uses multilayer conductive copper foil, can satisfy more big overload electric current, and the group series connection arc of multilayer conductive copper foil composition connects
Contact pin has a degree of flexibility, and certain amplitude momentum can be absorbed under vibration environment, plays the amplitude momentum for avoiding vibration
Cause the bolt looseness of fixed group series connection arc connection sheet, series connection arc connection sheet arcuate structure and the common piece that is connected in series use
Domes are compared, and arc connection sheet arcuate structure can play the fixing bolt of holding group series connection arc connection sheet to battery electrode column
The pretightning force of screw hole, so that improving connection sheet contacts conductive reliability with battery electrode column.Polyethylene insulation covering is by multilayer conductive
Copper foil-clad is fixed, and is avoided that the copper-foil conducting electricity interlayer of multilayer conductive copper foil in the energized state climbs electrical effect, to improve lithium
The safety of ion battery systems；In battery core series connection using the copper-foil conducting electricity connecting post of layer flexible, can be very good to inhale
It receives the battery core vibration mutual in vibration to transmit by electric conduction electrode-plate, prevents bigger vibration from occurring.To as small as possible
The vibration to pole piece screw is reduced, screw loosening is prevented.And using going here and there and even arc or horizontal arcuate structure, can prevent battery core by
Level when thermal expansion is pullled, and the safety used is highly reliable.
In the present invention, for the producing cause of the contact resistance difference of series-parallel contact, series-parallel connection sheet and list are provided
The connection bolt pretightening reasonability and lasting stability of the pole of body battery.
Detailed description of the invention
Fig. 1 is exploded perspective figure of the invention；
Fig. 2 is side view explosive view of the invention；
Fig. 3 is the exploded perspective figure at another visual angle of the present invention；
Fig. 4 is enlarged drawing at the A of Fig. 3；
Fig. 5 is the perspective view of single battery of the present invention；
Fig. 6 is the perspective view of battery core of the present invention；
Fig. 7 is the perspective view of spring pad of the present invention；
Fig. 8 is the perspective view of connection sheet of the present invention；
Fig. 9 is the partial schematic diagram of crash roll of the present invention.
Description of symbols: battery pack integrated system 100, cabinet 110, cover board 111, rectangle frame 111a, connecting hole 111b,
Gasket 112, raised line 112a, flanging 113, mounting hole 114, battery modules 120, single battery 121, battery core 122, peripheral frame 123,
Lock ring 124, connection sheet 130, pole 131, lock-screw 132, grooving 132a, spring pad 133, electric conduction electrode-plate 134, the outer quilt of insulation
135, notch 135a, shockproof strip 140, branch nail seat 141, interconnecting piece 142, shockproof portion 143.
Specific embodiment
The present invention will be further explained below with reference to the accompanying drawings.
As shown in FIG. 1 to FIG. 2, a kind of high-energy high density battery pack integrated system 100, including cabinet 110, it is packaged in case
Battery modules 120 in body 110 are set to the cover board 111 that 110 surface of cabinet encapsulates battery modules 120, the battery modules
120 are connected by several single batteries 121, and every group of single battery 121 is the series connection of several battery cores 122, several single batteries
121 are respectively provided with the series connection of connection sheet 130 with several battery cores 122；The corresponding every group of single battery 121 of the cover board 111 is equipped with shockproof
Item 140 compresses.
In a first aspect, setting cabinet 110 facilitates the installation and fixation of battery modules 120, pass through cover board after fixed installation
111 are encapsulated in battery modules 120 in cabinet 110, play a protective role to battery modules 120, guarantee that battery modules 120 make
With highly-safe in the process, highly reliable, stability is good；Second aspect, if battery modules 120 are by singing a single battery 121
Series connection is formed, easy to connect, and capacity is big after series connection is formed, and long service life, cruising ability is strong, in addition, single battery 121 is by more
A battery core 122 is composed in series, and so as to greatly improve the capacity of battery modules 120, use intensity is high；The third aspect, monomer
Battery 121 with battery core 122 is connected by connection sheet 130, and good connecting effect is connected by connection sheet 130, connection peace
Dress is convenient；Fourth aspect is arranged shockproof strip 140 on cover board 111 and plays fixed function to battery modules 120, prevents battery mould
120 internal vibrations of group, shockproof effect is good, and stability is good, highly reliable.
As shown in Fig. 3~Fig. 4, gasket 112 is set between cabinet 110 and cover board 111；The corresponding cover board of the cabinet 110
111 one side setting flangings 113, gasket 112 are set to flanging 113, and the cover board 111 opens up mounting hole 114 across gasket
112 and cabinet 110 cabinet 110 lock by bolt, raised line 112a is arranged in the corresponding cover board 111 of the gasket 112 on one side,
Gasket 112 is provided between cabinet 110 and cover board 111, effect is the battery modules 120 to 110 content Naan of cabinet dress
Play the role of seal protection, sealing effect is good, prevent the objects such as liquid enter inside cause battery modules 120 damage situations such as go out
It is existing, further function as protecting effect；Cabinet 110 is provided with flanging 113 in the corresponding installation of cover board 111 on one side, and gasket 112 is arranged
It on flanging 113, can specifically facilitate the setting of gasket 112, while also can be improved sealing effect, so that gasket
112 sealing space is bigger, and sealing effect is more preferable, more preferable to the protecting effect of internal battery modules 120；Mounting hole 114 is set
Cover board 111, gasket 112 and flanging 113 are sequentially passed through, mounting hole 114 is penetrated particular by bolt and realizes fixed installation, peace
Dress is convenient, good fixing effect, locks cover board 111 and flanging 113 and plays sealing by the compression of gasket 112
Effect；Corresponding 111 one side of cover board of gasket 112 is equipped with raised line 112a, and the effect of setting raised line 112a can further increase close
The sealing effect of packing 112 in use compresses raised line 112a in fact when being locked by cover board 111 and flanging 113 by bolt
Now locking and sealing function, sealing effect is good, and battery modules 120 use highly-safe, solves cabinet 110 and cover board 111
Because stiff problem causes material to deform, and then influence the problem of sealing.The method of use is: cabinet 110 and the whole metal plate of cover board 111
To prevent from deforming, gasket 112 protects effect using the biconvex structure of biconvex 112a gasket 112 to realize sealing for gold molding
Fruit is good, highly-safe.
111 edge bending of cover board is formed with rectangle frame 111a, and the rectangle frame 111a is that double-bending is arranged to form rectangle,
Corresponding mounting hole 114 offers through-hole；Specifically setting rectangle frame 111a and cover board 111 are integrally formed, so that 111 edge of cover board
Intensity is higher, and reliability in use and resistance to deformation intensity are higher, and sealing effect is more preferable during locking, stability and protection
Effect is further；111 surface of cover board offers the connecting hole 111b for fixing the connection installation of battery modules 120, institute
It states connecting hole 111b and flange is formed by the punching stretching of 111 surface of cover board, the flange position is welded with clip, specifically in battery
Mould group 120 needs to be arranged some cooling-parts after installing, and cooling pipe is fixed by connecting hole 111b, is passing through punching
The flange formed between butt formula can be improved fixing intensity, while also having welded clip and be fixed and having installed and used, Neng Goubao
The convenience of fixed installation is improved in the case where card sealing effect, reliability and stability are stronger.
Gasket 112 is elastic rubber gasket 112, is integrally formed setting with raised line 112a, the raised line 112a
Equipped with two, it is set to gasket 112 and is located at 114 two sides of mounting hole, using integrally formed gasket 112, sealing intensity
Higher, easy for installation in use, reliability is high, the raised line 112a of setting two good to 120 protecting effect of battery modules
It can prevent liquid from entering in cabinet 110 from 114 location stream of mounting hole, so as to further function as seal protection effect, sealing effect
Fruit is good, and protecting effect is good.
Peripheral frame 123 is set as shown in Fig. 5~Fig. 8, outside single battery 121, several battery cores 122 are fixed into formation, it is described
123 side of peripheral frame is arranged lock ring 124 and fixes single battery 121, and single battery 121 is fixedly mounted in setting peripheral frame 123, installation
It is convenient, good fixing effect, in addition, the cooperation of setting lock ring 124 and peripheral frame 123 can be further increased to single battery 121
Fixed effect, good fixing effect is easy for installation, and the stability used is strong.
The setting of battery core 122 is used for the pole 131 of connection, and setting lock-screw 132 consolidates connection sheet 130 on the pole 131
Fixed series connection, the lock-screw 132 are arranged with spring pad 133 and connection sheet 130 are locked, and pole 131 is arranged, passes through connection
Piece 130, which overlaps the pole 131 in the battery core 122 of two adjacent groups, to be connected, and realizes series connection effect, and good connecting effect actually makes
In, arc is set by connection sheet 130, its stroke can be lengthened, facilitates installation, while improving cascading effect and the safety used
Property；Lock-screw 132 is set, connection sheet 130 is locked on pole 131 fixed effect of realizing, easy for installation, connection effect
Fruit is good, facilitates installation connection to use, cascading effect is good, and what is used is highly-safe；Connection sheet 130 is locked in lock-screw 132
Spring pad 133 is set on one side, shockproof anti-loosing effect can be played particular by spring pad 133, in actual use when will lock
After screw 132 is fixed, locking effect and antihunt action can be further increased by the effect of spring pad 133, locking effect is good,
Stability is strong；The threaded rod outer diameter of lock-screw 132 offers grooving, effect be even if be collided or other vibrations because
Plain lock-screw 132 is also able to maintain locking and does not loosen state, and locking effect is good, and reliability is strong.
The threaded rod outer diameter of lock-screw 132 offers grooving 132a, though be collided or other vibration facters lock
Tight screw 132 is also able to maintain locking and does not loosen state, and locking effect is good, and reliability is strong.
Solves thread looseness by the combination that grooving 132a and spring pad 133 is arranged in the threaded rod position of lock-screw 132
Phenomenon；Specifically, the grooving 132a is to cut off threaded rod ring screw, and threaded rod ring screw cuts off section and pole
Threaded hole or nut ring screw on 131 sassafras face of rubbing form cutting effect, the annular spiral shell of grooving 132a and threaded hole or nut
Line forms cutting effect, makes lock-screw 132 cause spiral seondary effect to be overcome with threaded hole or nut cooperation, lock-screw
132 cause spiral seondary effect to be that bolt and nut loosens principal element, locking screw under shock effect with threaded hole or nut cooperation
After nail 132 causes spiral seondary effect to be overcome with threaded hole or nut cooperation, lock-screw 132 and threaded hole or nut are pre-tightened
Power is obtained in holding, and lock-screw 132 is persistently kept with the pretightning force of threaded hole or nut, to improve the use of battery modules 120
Reliability；The waveform spring pad 133 can only be played with the space of one third compared with conventional helical spring pad 133
Identical amount of deflection and pressure force, compared with traditional helical spring pad 133, traditional helical spring pad 133 is its material to turn round
Transformation type mode is compressed, so that pressure force is directly proportional to displacement, it is non-perpendicular with helical spring pad 133 to result in compression pressure force
Axial both ends, for needing the pressure of long timeliness to keep sealing structure, such helical structure spring it is difficult to ensure that.
Spring pad 133 is the setting of ripple type spring pad 133, is arranged for double-layer structure, is set using ripple type spring pad 133
Set, can be stable play shockproof anti-loose effect, global reliability is stronger, and stability is more preferable；It can play in use dual
Shockproof locking protective effect, while locking effect is more preferable, reliability is stronger.
Connection sheet 130 includes the electric conduction electrode-plate 134 being stacked by several conductive copper layers of foil and coats electric conduction electrode-plate 134
Insulation is outer by 135, and the insulation is outer exposed by electric conduction electrode-plate 134 equipped with notch 135a by 135 both ends；By the conductive copper of several layers
Foil forms electric conduction electrode-plate 134 by stacking mode, can play good connection effect in actual use, can rise upon connection
To locking antihunt action, transmission electricity can be stablized after battery core 122 of connecting by, which guaranteeing, is used, and improves the stability used, reliability
By force；Setting insulation is outer to be encapsulated electric conduction electrode-plate 134 by 135, and insulation protection specifically is played in the encapsulation of electric conduction electrode-plate 134,
The safety used is improved, while also there is reliable stability and antihunt action；Insulation is outer to be arranged notch 135a by 135 both ends
So that electric conduction electrode-plate 134 is exposed, effect is that the connection of electric conduction electrode-plate 134 is facilitated to install and use, and facilitates string during the installation process
Connection is conductive, and the reliability stability used is good.
The group series connection arc connection sheet 130 being made of multilayer conductive copper foil, polyethylene insulation covering, connecting hole 111b, according to
Multilayer conductive copper foil is used according to the collection volt effect of electric current, can satisfy more big overload electric current, the group string of multilayer conductive copper foil composition
Joining arc connection sheet 130 has a degree of flexibility, and certain amplitude momentum can be absorbed under vibration environment, plays and avoids shaking
Amplitude momentum cause the bolt looseness of fixed group series connection arc connection sheet 130, series connection 130 arcuate structure of arc connection sheet and often
It is compared with piece 130 is connected in series using domes, 130 arcuate structure of arc connection sheet can play the series connection arc connection of holding group
The fixing bolt of piece 130 leads the pretightning force of 131 screw hole of battery electrode column to improve connection sheet 130 and contact with battery electrode column 131
Electric reliability.Polyethylene insulation covering fixes multilayer conductive copper foil-clad, is avoided that multilayer conductive copper foil in the energized state
Copper-foil conducting electricity interlayer climb electrical effect, to improve the safety of lithium-ion battery systems；Multilayer is used when battery core 122 is connected
Copper-foil conducting electricity connecting post 131 flexible can be very good the vibration mutual in vibration of absorption battery core 122 and pass through conductive electrode
Piece 134 transmits, and prevents bigger vibration from occurring.Vibration to reduction as small as possible to pole piece screw, prevents screw loosening.
And using going here and there and connecting arc or horizontal arcuate structure, it can prevent level when 122 expanded by heating of battery core from pullling, the safety used
It is highly reliable.
134 exposed parts of electric conduction electrode-plate offer connecting hole 111b, and the electric conduction electrode-plate 134 is outer with insulation to be by 135
Arc setting, the insulation is outer to offer counterbore away from notch 135a by 135 on one side, and the counterbore is same with connecting hole 111b
Axle center setting；It is used in series by the fixed electric conduction electrode-plate 134 of connecting hole 111b connection mounting screw, easy for installation, connection effect
It is good, it is easy to use；The connection sheet 130 being arranged using arc, can prevent level when 122 expanded by heating of battery core from pullling, and use
Safety it is highly reliable；It can be used to lock with the screw of countersunk head or spring pad 133 and use, can be further functioned as after locking
Shockproof anti-loose effect, use reliability are strong.
As shown in figure 9, cover board 111 is equipped with branch nail seat 141, the shockproof strip 140 is fixed at branch nail seat 141, described
Branch nail seat 141 is T-type setting comprising is fixed on the fixed part of cover board 111, is integrally formed with fixed part and by shockproof strip 140
Fixed strip, the shockproof strip 140 be Rubber shockproof item 140 comprising main body, be set to main body one side and with branch nail seat
141 connected interconnecting pieces 142 are set to the shockproof portion 143 that main body deviates from 142 one side of interconnecting piece, the main body and interconnecting piece 142
It is integrally formed with shockproof portion 143, the interconnecting piece 142 is equipped with the link slot being connected with strip, and the shockproof portion 143 is away from company
Socket part 142 offers shockproof slot；Shockproof strip 140 is mounted between cover board 111 and battery series mould set, flashlight pond series mould set
Height space constraint between cover board 111, shockproof strip 140 limit the amplitude model of the short transverse vibration of battery series mould set
It encloses, plays the effect of antidetonation energy-absorbing.In addition, being provided with branch nail seat 141, not branch nail seat between shockproof strip 140 and cover board 111
141 are arranged for T-type, and shockproof strip 140 is fixed, anti seismic efficiency.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of high-energy high density battery pack integrated system, it is characterised in that: including cabinet, be packaged in the intracorporal battery mould of case
Group is set to the cover board that tank surface encapsulates battery modules, and the battery modules are connected by several single batteries, every group of monomer
Battery is the series connection of several battery cores, and several single batteries and several battery cores are respectively provided with connection sheet series connection；The cover board pair
Should every group of single battery equipped with shockproof strip compress.
2. a kind of high-energy high density battery pack integrated system according to claim 1, it is characterised in that: the cabinet with
Gasket is set between cover board；The cabinet corresponds to cover board one side setting flanging, and gasket is set to flanging, and the cover board opens up
Mounting hole passes through gasket and cabinet and lock onto cabinet by bolt, and the gasket corresponds to cover board one side setting raised line.
3. a kind of high-energy high density battery pack integrated system according to claim 2, it is characterised in that: the cover board side
Edge bending is formed with rectangle frame, and the rectangle frame is that double-bending is arranged to form rectangle, corresponds to mounting hole and offers through-hole；It is described
Lid surface offers the connecting hole for fixing battery modules connection installation, and the connecting hole is punched by lid surface and stretches shape
At flange, the flange position is welded with clip.
4. a kind of high-energy high density battery pack integrated system according to claim 3, it is characterised in that: the gasket
It for elastic rubber gasket, is integrally formed setting with raised line, the raised line is equipped with two, is set to gasket and is located at peace
Fill hole two sides.
5. a kind of high-energy high density battery pack integrated system according to claim 1, it is characterised in that: the monomer electricity
Setting peripheral frame forms the fixation of several battery cores outside pond, and the peripheral frame side setting lock ring fixes single battery.
6. a kind of high-energy high density battery pack integrated system according to claim 1, it is characterised in that: the battery core is set
The pole for connection is set, lock-screw is set by the fixed series connection of connection sheet, the lock-screw is arranged with spring on the pole
Connection sheet is locked by pad.
7. a kind of high-energy high density battery pack integrated system according to claim 6, it is characterised in that: the locking screw
The threaded rod outer diameter of nail offers grooving.
8. a kind of high-energy high density battery pack integrated system according to claim 6, it is characterised in that: the spring pad
For the setting of ripple type spring pad, it is arranged for double-layer structure.
9. a kind of high-energy high density battery pack integrated system according to claim 1, it is characterised in that: the connection sheet
Including the electric conduction electrode-plate being stacked by several conductive copper layers of foil and by quilt outside the insulation of electric conduction electrode-plate cladding, the insulation is outer by two
End is equipped with notch, and electric conduction electrode-plate is exposed.
10. a kind of high-energy high density battery pack integrated system according to claim 9, it is characterised in that: the conduction
Pole piece exposed parts offer connecting hole, are arc setting outside the electric conduction electrode-plate and insulation, and the insulation is outer to be deviated from
Notch offers counterbore, the counterbore and connecting hole on one side as the setting of same axle center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810956708.2A CN109103379A (en) | 2018-08-21 | 2018-08-21 | A kind of high-energy high density battery pack integrated system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810956708.2A CN109103379A (en) | 2018-08-21 | 2018-08-21 | A kind of high-energy high density battery pack integrated system |
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| CN109103379A true CN109103379A (en) | 2018-12-28 |
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ID=64850611
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| CN201810956708.2A Pending CN109103379A (en) | 2018-08-21 | 2018-08-21 | A kind of high-energy high density battery pack integrated system |
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