CN104051682B - Power supply module of electrical vehicle and connection method - Google Patents
Power supply module of electrical vehicle and connection method Download PDFInfo
- Publication number
- CN104051682B CN104051682B CN201310077015.3A CN201310077015A CN104051682B CN 104051682 B CN104051682 B CN 104051682B CN 201310077015 A CN201310077015 A CN 201310077015A CN 104051682 B CN104051682 B CN 104051682B
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- Prior art keywords
- copper
- aluminium
- fixed frame
- power supply
- metal support
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
-
- 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
- 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
- H01M50/531—Electrode connections inside a battery casing
-
- 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
- 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
Abstract
The invention relates to the technical field of vehicle power supply, and particularly relates to a power supply module of an electrical vehicle and a connection method. The power supply module includes: a plurality of positive cell units, wherein each positive cell unit is provided with a fixing frame and two aluminium tabs which stretch out from one side edge of the fixing frame; a plurality of negative cell units which are arranged at intervals with the plurality of positive cell units, wherein each negative cell unit is provided with a fixing frame and two copper tabs which stretch out from one side edge of the fixing frame; and a plurality of busbars which are used for connecting the positive cell units with the negative cell units in series. Each aluminium tab of each positive cell unit and each adjacent copper tab of each adjacent negative cell unit are respectively welded to each busbar. The power supply module of the electrical vehicle has small contact impedance at a connecting position, is not easy to heat, is high in efficiency, is free from loosening during an operation process and is good in safety. The connection method of the power supply module of the electrical vehicle is safe and reliable.
Description
Technical field
The present invention relates to automobile power field of power supplies, especially a kind of electric car power supply module and method of attachment.
Background technology
Electric car power supply modularized design has become as the inexorable trend of dynamic power system development；Chinese patent is announced
A kind of lithium ion power battery used for electromobile bag of the disclosure of the invention of number CN102306717A and preparation method thereof, described electronic
Vapour vehicle lithium-ion power battery bag, the battery clad including battery pack housing and with battery bag casing adaptor, in described battery
It is provided with battery module inside pack housing；It is provided with insulating barrier I between described battery module and described battery clad, with battery clad just
To battery pack housing face and battery module between be provided with insulating barrier II；Described battery pack housing is provided with and is connected with battery module
Fast connector, positioned at the mutual clamping of the adjacent battery module of battery bag enclosure interior；This lithium ion power battery used for electromobile
Bag is electric car power supply module, and described battery module is battery unit, the battery unit of current electric car power supply module
Between connected mode more adopt the mechanical fasteners mode such as screw fastening, plug-in unit clamping, these connected modes exist junction contact
Impedance great Yi heating efficiency is relatively low and has the deficiency of potential safety hazard because vibration can produce to loosen in use；Therefore, if
Meter is a kind of to be difficult that heating efficiency is higher and will not to produce loosening security in use good junction contact impedance is little
Electric car power supply module and method of attachment, become problem demanding prompt solution.
Content of the invention
The invention aims to overcoming the connection between the current battery unit of electric car power supply module to exist even
The place's of connecing contact impedance great Yi heating efficiency is relatively low and has potential safety hazard not because vibration can produce to loosen in use
Foot；, provide a kind of higher and loosening safety will not be produced in use in the little heating efficiency that is difficult of junction contact impedance
The good electric car power supply module of property and method of attachment.
The concrete technical scheme of the present invention is：
A kind of electric car power supply module, carries fixed frame including several and a side of fixed frame is stretched out in one end
The positive electricity pool unit of two outer aluminium pole ears and positive battery unit interval arrange several carry fixed frame and one end and stretch out
If the negative cell of two copper polar ears outside a side of fixed frame, for concatenating positive electricity pool unit and negative cell
Dry bus-bar；One copper polar ear of one aluminium pole ears of two adjacent positive electricity pool units and negative cell respectively with one
Bus-bar welds.This electric car power supply module is higher and in use in the little heating efficiency that is difficult of junction contact impedance
Loosening security will not be produced good.
Preferably, being inlaid with two metal support blocks outside a side of the described fixed frame of positive electricity pool unit；
Aluminium lateral plate that aluminium pole ears include stretching out outside a side of fixed frame in two pieces of one end and push down a metal support block and with two pieces
The aluminium transverse slat that one end of aluminium lateral plate connects；It is inlaid with two metal supports outside one side of the fixed frame of negative cell
Block；Copper side plate that copper polar ear includes stretching out outside a side of fixed frame in two pieces of one end and push down a metal support block and with two
The copper transverse slat that one end of block copper side plate connects.It is rigidly good that aluminium pole ears or copper polar ear push down metal support block.
Preferably, one end of described metal support block is provided with arcwall face.Aluminium pole ears or copper polar ear and metal support block
Good contact is simultaneously beneficial to welding.
Preferably, described bus-bar includes aluminium flake and copper sheet；It is recessed that one end through-thickness of aluminium flake is provided with several
Groove；One end through-thickness of copper sheet is provided with the projection of several and matching grooves；In projection insertion groove, simultaneously solid-state diffusion connects
Connect；One aluminium transverse slat of the aluminium flake of one bus-bar and a positive electricity pool unit and a metal support block laser welding, copper sheet
One copper transverse slat of the negative cell adjacent with and a metal support block laser welding.It is a kind of that solid-state diffusion connects
The advanced method of attachment that material of the same race by two or xenogenesis links together in the solid state；This method both can connect low-carbon (LC)
Steel is it is also possible to connect pottery, or even can also connect the material that traditional welding method can not connect；The aluminium flake of bus-bar and copper
It is little that piece solid-state diffusion connects contact impedance；Laser welding, laser beam can focus on the region of very little, the deformation that heat affecting is led to
Little with metallographic excursion, solderable closely spaced small-sized welded part and laser instrument can be placed in from suitable with welded part
Distance, laser welding thin material or thin footpath wire rod when, will not practice midwifery raw melt back as arc welding；Laser welding is not affected by magnetic field institute
Weldment can be accurately directed at；After the aluminium flake of same type of material and aluminium transverse slat or copper sheet and copper transverse slat laser welding, contact impedance is little.
Preferably, the shape of cross section of described groove is triangle；The shape of cross section of projection is triangle.It is easy to
Make and the big bonding strength of contact surface is high.
Preferably, the end face of described fixed frame is provided with several alignment pins；The other end of fixed frame sets
There are several location holes mating with alignment pin；The alignment pin of one fixed frame inserts determining of another adjacent fixed frame
In the hole of position.Positioning convenient for assembly.
The method of attachment of described electric car power supply module, the projection of the copper sheet of (1) bus-bar inserts the groove of aluminium flake
After interior compression, solid-state diffusion connects；(2) several positive electricity pool units and several negative cell are spaced and use exclusive clamps
Tool fixing；(3) aluminium flake of bus-bar and copper sheet are individually placed on corresponding aluminium transverse slat and copper transverse slat and are held with special fixture；
(4) several positive electricity pool units having held and several negative cell and bus-bar are placed on and only expose welding position
Have in vacuum or the fully sheathed case of negative pressure；(5) respectively corresponding aluminium flake, aluminium transverse slat and metal support block are swashed with laser instrument
Photocoagulation and corresponding copper sheet, copper transverse slat and metal support block carry out laser welding.Method of attachment is safe and reliable.
Preferably, the relevant parameter of the described laser instrument for laser welding：Power, 600W；Zlasing mode, pulse
Optical fiber；Focus on, F-200mm；Angle of inclination, 10 °；When welded part material is aluminium, thickness of coating is 0.4mm, aluminium pole ears thickness
For 0.2mm, metal support block thickness is parameter setting during 3mm：Frequency 10Hz, pulsewidth 10m8, power 5.4kw (90%), dissipate
Jiao+8.5mm, speed 7mm/s, subsidize gas N2；When welded part material is copper, thickness of coating is 0.4mm, and copper polar ear thickness is
0.2mm, metal support block thickness is parameter setting during 3mm：Frequency 10Hz, pulsewidth 10ms, power 5.4kW (90%), defocus+
5.0mm, speed 4mm/s, subsidize gas Air.The parameter setting of laser instrument and laser welding is applied to electric car power supply module
Needs of laser welding and effect is preferable.
Compared with prior art, the invention has the beneficial effects as follows：One. this electric car power supply module contacts resistance in junction
Anti- little it is difficult that heating efficiency is higher and will not to produce loosening security in use good.Two. aluminium pole ears or copper polar ear are pushed down
Metal support block is rigidly good.Three. one end of metal support block is provided with arcwall face, and aluminium pole ears or copper polar ear are good with metal support block
Contact and be beneficial to weld.Four. the aluminium flake of bus-bar and copper sheet solid-state diffusion connection contact impedance are little；The aluminium flake of same type of material and aluminium
After transverse slat or copper sheet and copper transverse slat laser welding, contact impedance is little.Five. the shape of cross section of groove and projection is triangle, easily
In making and the big bonding strength of contact surface is high.Six. fixed frame is provided with alignment pin and location hole positioning convenient for assembly.Seven. electronic
The method of attachment of automobile power source module is safe and reliable.Eight. the parameter setting of laser instrument and laser welding is applied to electric automobile electricity
Needs of source module laser welding and effect is preferable.
Brief description
Fig. 1 is a kind of structural representation of the present invention；
Fig. 2 is the structural representation of positive electricity pool unit in Fig. 1；
Fig. 3 is the structural representation of bus-bar in Fig. 1.
In figure：Metal support block -1, arcwall face -11, aluminium pole ears -2, aluminium lateral plate -21, aluminium transverse slat -22, positive electricity pool unit -
3rd, copper polar ear -4, copper side plate -41, copper transverse slat -42, negative cell -5, bus-bar -6, aluminium flake -61, groove -62, copper sheet -63,
Projection -64, fixed frame -7, alignment pin -71, location hole -72, battery core -8.
Specific embodiment
It is shown below in conjunction with the accompanying drawings that the present invention is described further.
As shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3：A kind of electric car power supply module, carries fixed frame 7 He including five
The positive electricity pool unit 3 that two aluminium pole ears 2 outside a side of fixed frame 7 are stretched out in one end is spaced with positive electricity pool unit 3
Five are stretched out the negative cell 5 of two copper polar ears 4 outside a side of fixed frame 7, are used for fixed frame 7 and one end
Concatenation positive electricity pool unit 3 and nine bus-bars 6 of negative cell 5；One aluminium pole ears 2 of two adjacent positive electricity pool units 3
Weld with a bus-bar 6 respectively with a copper polar ear 4 of negative cell 5.The end face of described fixed frame 7 is provided with six
Individual alignment pin 71；The other end of fixed frame 7 has six location holes 72 with the cooperation of alignment pin 71 gap；One fixed frame
The alignment pin 71 of frame 7 inserts in the location hole 72 of another adjacent fixed frame 7.Each positive electricity pool unit 3 or negative battery list
Unit 5 is made up of the consistent battery core of one or more pieces polarity 8 parallel connection.
In the present embodiment, each positive electricity pool unit 3 or negative cell 5 are made up of the consistent battery core of two panels polarity 8 parallel connection；
It is inlaid with two metal support blocks 1 outside one side of the fixed frame 7 of described positive electricity pool unit 3；Described metal support
One end of block 1 has arcwall face 11；Aluminium pole ears 2 include two pieces of one end and stretch out aluminium lateral plate 21 He outside a side of fixed frame 7
Push down the aluminium transverse slat 22 that a metal support block 1 one end with two pieces of aluminium lateral plates 21 are connected；Two pieces of aluminium lateral plates 21 and aluminium transverse slat
22 are integrally formed；It is inlaid with two metal support blocks 1 outside one side of the fixed frame 7 of negative cell 5；Copper polar ear 4 wraps
Include the copper side plate 41 stretching out outside a side of fixed frame 7 in two pieces of one end and push down a metal support block 1 and with two pieces of copper sides
The copper transverse slat 42 that one end of plate 41 connects；Two blocks of copper side plates 41 and copper transverse slat 42 are integrally formed；The material of fixed frame 7 is to mould
Material, metal support block 1 is embedded on a side of fixed frame 7 by injection mo(u)lding；Described bus-bar 6 includes aluminium flake 61 He
Copper sheet 63；One end through-thickness of aluminium flake 61 has two grooves 62；One end through-thickness of copper sheet 63 have two with
The projection 64 of groove 62 interference fits；The shape of cross section of described groove 62 is triangle；The shape of cross section of projection 64 is
Triangle；In projection 64 insertion groove 62, simultaneously solid-state diffusion connects；The aluminium flake 61 of one bus-bar 6 and a positive electricity pool unit 3
An aluminium transverse slat 22 and metal support block 1 laser welding, a copper of copper sheet 63 negative cell adjacent with 5
Transverse slat 42 and metal support block 1 laser welding.
The method of attachment of described electric car power supply module, is characterized in that：(1) projection 64 of the copper sheet 63 of bus-bar 6
After compression in the groove 62 of insertion aluminium flake 61, solid-state diffusion connects；(2) several positive electricity pool units 3 and several negative cell
5 are spaced and are held with special fixture；(3) aluminium flake 61 of bus-bar 6 and copper sheet 63 are individually placed to corresponding aluminium transverse slat 22
Hold with copper transverse slat 42 and with special fixture；(4) several positive electricity pool units 3 having held and several negative cell
5 and bus-bar 6 be placed in the fully sheathed case with vacuum or negative pressure only exposing welding position；(5) with laser instrument respectively by phase
Aluminium flake 61, aluminium transverse slat 22 and the metal support block 1 answered carry out laser welding and corresponding copper sheet 63, copper transverse slat 42 and metal support
Block 1 carries out laser welding.
The relevant parameter of the described laser instrument for laser welding：Power, 600W；Zlasing mode, pulse fiber；Poly-
Jiao, F-200mm；Angle of inclination, 10 °；When welded part material is aluminium, thickness of coating is 0.4mm, and aluminium pole ears 2 thickness is
0.2mm, metal support block 1 thickness is parameter setting during 3mm：Frequency 10Hz, pulsewidth 10ms, power 5.4kW (90%), defocus
+ 8.5mm, speed 7mm/s, subsidize gas N2；When welded part material is copper, thickness of coating is 0.4mm, and copper polar ear 4 thickness is
0.2mm, metal support block 1 thickness is parameter setting during 3mm：Frequency 10Hz, pulsewidth 10ms, power 5.4kW (90%), defocus
+ 5.0mm, speed 4mm/s, subsidize gas Air.
The invention has the beneficial effects as follows：This electric car power supply module is difficult heating efficiency relatively junction contact impedance is little
High and will not to produce loosening security in use good.It is rigidly good that aluminium pole ears or copper polar ear push down metal support block.Metal
One end of rest pad is provided with arcwall face, and aluminium pole ears or copper polar ear are with metal support block good contact and beneficial to welding.Bus-bar
Aluminium flake and copper sheet solid-state diffusion connection contact impedance are little；The aluminium flake of same type of material and aluminium transverse slat or copper sheet and copper transverse slat laser welding
Contact impedance is little afterwards.The shape of cross section of groove and projection is triangle it is easy to make and contact surface big bonding strength height.Gu
Determine framework and be provided with alignment pin and location hole positioning convenient for assembly.The method of attachment of electric car power supply module is safe and reliable.Laser
The parameter setting of device and laser welding is applied to the needs of electric car power supply module laser welding and effect is preferable.
The present invention can change into that various ways are apparent to one skilled in the art, and such change is not considered as
Depart from the scope of the present invention.All such technical staff to described field obviously change, and are included within this right
Within the scope of requirement.
Claims (6)
1. a kind of electric car power supply module, is characterized in that：Carry fixed frame including several and fixed frame is stretched out in one end
A side outside the positive electricity pool unit of two aluminium pole ears and positive battery unit interval arrangement several carry fixed frame and
One end is stretched out the negative cell of two copper polar ears outside a side of fixed frame, is used for concatenating positive electricity pool unit and negative battery
Several bus-bars of unit；One copper polar ear of one aluminium pole ears of two adjacent positive electricity pool units and negative cell divides
Not with a bus-bar welding；It is inlaid with two metal support blocks outside one side of the fixed frame of positive electricity pool unit；Aluminium pole
Aluminium lateral plate that ear includes stretching out outside a side of fixed frame in two pieces of one end and push down a metal support block and with two pieces of aluminum side
The aluminium transverse slat that one end of plate connects；It is inlaid with two metal support blocks outside one side of the fixed frame of negative cell；Copper
Copper side plate that lug includes stretching out outside a side of fixed frame in two pieces of one end and push down a metal support block and with two blocks of copper
The copper transverse slat that one end of side plate connects；Each positive electricity pool unit or negative cell are by the consistent battery core parallel connection structure of multi-disc polarity
Become.
2. electric car power supply module according to claim 1, is characterized in that：One end of described metal support block is provided with
Arcwall face.
3. electric car power supply module according to claim 1 and 2, is characterized in that：Described bus-bar include aluminium flake and
Copper sheet；One end through-thickness of aluminium flake is provided with several grooves；One end through-thickness of copper sheet is provided with several and groove
The projection of coupling；In projection insertion groove, simultaneously solid-state diffusion connects；The aluminium flake of one bus-bar and the one of a positive electricity pool unit
Individual aluminium transverse slat and a metal support block laser welding, a copper transverse slat of the copper sheet negative cell adjacent with and one
Metal support block laser welding.
4. electric car power supply module according to claim 3, is characterized in that：The shape of cross section of described groove is three
Angular；The shape of cross section of projection is triangle.
5. electric car power supply module according to claim 1 and 2, is characterized in that：The end face of described fixed frame
It is provided with several alignment pins；The other end of fixed frame is provided with several location holes mating with alignment pin；One fixed frame
The alignment pin of frame inserts in the adjacent location hole of another fixed frame.
6. the method for attachment of the electric car power supply module described in claim 1, is characterized in that：（1）The copper sheet of bus-bar convex
After block inserts compression in the groove of aluminium flake, solid-state diffusion connects；（2）Between several positive electricity pool unit and several negative cell
Hold every arrangement and with special fixture；（3）The aluminium flake of bus-bar and copper sheet are individually placed on corresponding aluminium transverse slat and copper transverse slat
And held with special fixture；（4）Several positive electricity pool units having held and several negative cell and bus-bar are placed
In the fully sheathed case with vacuum or negative pressure only exposing welding position；（5）With laser instrument respectively by corresponding aluminium flake, aluminium transverse slat
Carry out laser welding with metal support block and corresponding copper sheet, copper transverse slat and metal support block carry out laser welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310077015.3A CN104051682B (en) | 2013-03-12 | 2013-03-12 | Power supply module of electrical vehicle and connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310077015.3A CN104051682B (en) | 2013-03-12 | 2013-03-12 | Power supply module of electrical vehicle and connection method |
Publications (2)
| Publication Number | Publication Date |
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| CN104051682A CN104051682A (en) | 2014-09-17 |
| CN104051682B true CN104051682B (en) | 2017-02-22 |
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| CN201310077015.3A Active CN104051682B (en) | 2013-03-12 | 2013-03-12 | Power supply module of electrical vehicle and connection method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181082B (en) * | 2016-07-10 | 2019-07-09 | 安徽新能科技有限公司 | A kind of welding method for cooler bin in New-energy electric vehicle |
| DE102020212933A1 (en) * | 2020-10-14 | 2022-04-14 | Volkswagen Aktiengesellschaft | Welding system for producing an electrical contact in a battery module for a high-voltage battery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202178338U (en) * | 2011-06-09 | 2012-03-28 | 珠海金峰航电源科技有限公司 | Lithium ion battery with bidirectional current collector |
| CN202585590U (en) * | 2012-04-13 | 2012-12-05 | 万向电动汽车有限公司 | Power module structure of electric car |
| CN203165971U (en) * | 2013-03-12 | 2013-08-28 | 万向电动汽车有限公司 | Power supply module of electric car |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5042480B2 (en) * | 2005-08-30 | 2012-10-03 | 富士重工業株式会社 | Power supply external connection terminal structure |
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2013
- 2013-03-12 CN CN201310077015.3A patent/CN104051682B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202178338U (en) * | 2011-06-09 | 2012-03-28 | 珠海金峰航电源科技有限公司 | Lithium ion battery with bidirectional current collector |
| CN202585590U (en) * | 2012-04-13 | 2012-12-05 | 万向电动汽车有限公司 | Power module structure of electric car |
| CN203165971U (en) * | 2013-03-12 | 2013-08-28 | 万向电动汽车有限公司 | Power supply module of electric car |
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| CN104051682A (en) | 2014-09-17 |
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Effective date of registration: 20211111 Address after: 311215 No. 855, Jianshe Second Road, economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Wanxiang 123 Co., Ltd Address before: 311215 No. 118, Jianshe Second Road, Xiaoshan Economic and Technological Development Zone, Hangzhou, Zhejiang Patentee before: Wanxiang Electric Vehicle Co., Ltd Patentee before: Wanxiang Group Co., Ltd |