CN108461681A - A kind of electric vehicle liquid-cooled power battery pack - Google Patents
A kind of electric vehicle liquid-cooled power battery pack Download PDFInfo
- Publication number
- CN108461681A CN108461681A CN201810267764.5A CN201810267764A CN108461681A CN 108461681 A CN108461681 A CN 108461681A CN 201810267764 A CN201810267764 A CN 201810267764A CN 108461681 A CN108461681 A CN 108461681A
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- Prior art keywords
- liquid cooling
- battery pack
- relay
- plate
- cooling plate
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Links
- 238000001816 cooling Methods 0.000 claims abstract description 56
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000009977 dual effect Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 8
- 229910000906 Bronze Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000010974 bronze Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 229910000570 Cupronickel Inorganic materials 0.000 claims description 4
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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
Abstract
The invention discloses a kind of liquid-cooled power battery pack providing power for electric vehicle, primary structure includes liquid cooling plate, babinet, the BMS devices among liquid cooling plate, the battery module mounted on liquid cooling plate one end, the electrical equipment group mounted on the liquid cooling plate other end, a few word beams, liquid cooling pipe.The liquid cooling battery pack has radiating efficiency height, good reliability, the excellent feature of security performance.Its manufacturing cost is relatively low, can realize functional requirement with lower cost, high standard and be easily achieved mass production.
Description
Technical field
The present invention relates to technical field of new energy, more particularly to a kind of electric vehicle liquid-cooled power battery pack.
Background technology
Currently, battery pack on the market it is varied but it is most there is a problem of it is such or such.As structure design does not conform to
Reason, battery cell can not be placed properly；Heat dissipation effect is poor, leads to battery pack entirety mid-winter；Mechanical property is bad, is also easy to produce
Fatigue crack；Electric part is defective, and influencing battery life, there are security risks etc., it is therefore desirable to entire electric vehicle liquid cooling
The structure of formula power battery pack is improved.
Invention content
Above-mentioned in order to solve the problems, such as, the present invention provides a kind of electric vehicle liquid-cooled power battery pack, the power
Battery pack uses modularized design, and simple in structure, the type of cooling is liquid cooling, and heat dissipation effect is good, can make battery pack operating temperature
It is maintained in reasonable range, use common various parts on the market are easy to produce in batches, reasonable in design, mechanics
Functional, charge-discharge circuit improves the electrical safety performance of battery pack, for this purpose, of the invention by redesigning
A kind of electric vehicle liquid-cooled power battery packs of, including babinet are provided, have liquid cooling plate, babinet, BMS devices, electricity in the babinet
Pond module, electrical equipment group, a few word beams and liquid cooling pipe, the BMS devices are mounted among liquid cooling plate, the battery module installation
In liquid cooling plate one end, the electrical equipment group is mounted on the liquid cooling plate other end；
The liquid cooling plate is single-side blowing-up formula liquid cooling plate, and the liquid cooling plate is that surface plate another side is inflation plate on one side, described flat
Gap is formed between panel and inflation plate, heat transfer medium flows through the gap formed between surface plate and inflation plate；
The babinet includes tank wall, high voltage interface, charging interface, letter low-voltage interface, foot holder and handle, the high voltage interface,
Charging interface and letter low-voltage interface are fixed on tank wall, and the stand-off is bridged on babinet surrounding, and the handle is fixed on tank wall top
Portion；
The BMS devices include the BMS chips and fixing bracket that power battery pack needs, and the BMS chips pass through fixing bracket
It is fixed；
The battery module includes battery pack, double cover plate, single cover board, dual bed, single base, bronze medal and copper lug, described double-canopy
Plate and single cover board are mounted on above battery pack, and the double cover plate is fixed by corresponding dual bed, and the list cover board passes through corresponding single
Pedestal is fixed, and convex-concave slot is carried on the inside of the dual bed and single base, and the bronze medal is fixed on base end, and the copper lug is solid
It is scheduled on base end；
The electrical equipment group, including the positive relay of master, main negative relay, preliminary filling relay, current sensor and precharge
Resistance and holder, the positive relay of the master, main negative relay, preliminary filling relay, current sensor and preliminary filling resistance pass through holder
It is fixed and connected by connecting line；
The inflation plate of the liquid cooling pipe and liquid cooling plate communicates, and coolant liquid is flowed through from liquid cooling pipe；
A few word beams are the girder steels that cross section is several fonts, and there is bolt hole on girder steel top, passes through bolt hole and liquid cooling plate and electricity
Pond module is connected, and its underpart and box baseplate weld together.
The electrical system of further improvement of the present invention, the electric vehicle liquid-cooled power battery pack includes high-voltage electricity
Road, low-voltage circuit and telecommunication circuit, the cathode circuit access current sensor and main positive relay of the high-tension circuit, negative electricity
The main negative relay of road access, then be connected respectively with vehicle high voltage interface and charging interface；The pre-charge circuit include preliminary filling after
Electric appliance and preliminary filling resistance, in parallel with the positive relay of master, the low-voltage circuit will main positive relay, main negative relay, preliminary filling relay
Device and sensor are connected with BMS devices, three the main positive relay of BMS devices control, main negative relay, preliminary filling relay relays
Each sensor is connected by device power on/off, the telecommunication circuit with BMS devices, and the data of each sensor are transmitted to chip, BMS devices
It will be connected with full-vehicle control by communication interface, form complete telecommunication circuit.
Further improvement of the present invention, the battery module are connect by bolt with liquid cooling plate and a few word beams.
Further improvement of the present invention, the foot holder and handle are fixed by welding manner.
Further improvement of the present invention, the copper nickel plating flow collection sheet are fixed on positive and negative the two of battery pack by welding manner
Grade.
Steel cover board is installed in further improvement of the present invention, the babinet top.
The present invention provides a kind of electric vehicle liquid-cooled power battery pack, and compared with prior art, the present invention has following
Advantageous effect：
1. the battery pack battery pack uses modularized design, it can flexibly increase and decrease battery module according to the power demand of target vehicle
Number, larger change need not be made to structure, it is efficient and convenient.
2. calorific value is huge in use for power battery pack, which uses the liquid cooling type of cooling, compared to certainly
Right cooling can more efficiently control battery pack system into trip temperature with air blast cooling, be produced when taking away battery work in time
Raw excessive heat is that the Wen Sheng of battery is maintained in the reasonable range of comparison, improves the working environment of battery, improve electricity
The service life in pond and the reliability of entirety.Correspondingly, thermal medium can be inputted by cooling line, when temperature is relatively low to electricity
Pond is preheated, and battery operating conditions are improved.
There is wedge-shaped convex-concave slot on battery cell retainer used by 3., can voluntarily be spliced, improve battery pack
Compactedness, reduce whole size.At the same time, wedge-shaped convex-concave slot cooperation is close, further by battery pack and fixed bottom
Plate connects, and improves the bonding strength of battery module entirety.
4. battery pack uses Panasonic's NR18650PF cylindrical batteries as battery cell, compared with rectangular and soft-package battery,
Automatic production process is ripe, and product yield is high, and consistency is good, and battery pack heat dissipation area is big, excellent radiation performance.With other circles
Column battery cell is compared, which has capacity bigger, longer life expectancy, security performance higher, rated voltage height, do not remember
Recall effect and the outstanding performances such as internal resistance is small.
5. battery pack devises the charge-discharge circuit with safeguard protection effect, in the positive relay both ends parallel connection of master one
Precharging circuit, precharging circuit can prevent current break, instantaneous pressure from puncturing one in wheel hub motor in circuit preliminary work
A little electrical equipments improve the safety of the reliability and battery pack entirety of electrical equipment.
6. all parts used in whole device are simple in structure, part can directly be bought from market, not special
Technique, cost is relatively low, can realize functional requirement with lower cost, high standard and be easily achieved mass production.
The design of more than 7. word beams further improves the heat dissipation effect of battery pack, while strengthening the intensity of babinet, enhancing
The mechanical property of power battery pack.
Description of the drawings
Fig. 1 is the overall structure stereogram of water-cooled power battery pack of the present invention；
Fig. 2 is the front view of cooled plate in the present invention；
Fig. 3 is the stereogram of middle case of the present invention；
Fig. 4 is the stereogram of BMS devices in the present invention；
Fig. 5 is the stereogram of battery module in the present invention；
Fig. 6 is the stereogram of battery pack in the present invention；
Fig. 7 is the stereogram of electrical components group in the present invention；
Fig. 8 is the stereogram of water cooling tube in the present invention；
Fig. 9 is the stereogram of a few word beams in the present invention；
Figure 10 is the electric integrated design figure in the present invention；
It illustrates:
1, liquid cooling plate；11, surface plate；12, inflation plate；2, babinet；21, tank wall；22, bottom plate；23, high voltage interface；24, charging
Mouthful；25, low-voltage interface is communicated；26, MSD devices；27, foot holder；28, handle；3, BMS devices；31, BMS chips；32, fixed
Holder；4, battery module；41, battery pack；411, battery cell；412, retainer；413, battery holder fixing device；
414, studs；415, copper nickel plating flow collection sheet；416, sensor fastening device；42, double cover plate；43, single cover board；44, single
Pedestal；45, dual bed；46, bronze medal；47, copper lug；5, electrical equipment group；51, current sensor；52, main positive relay；53、
Main negative relay；54, preliminary filling relay；55, preliminary filling resistance；56, holder；6, a few word beams；7, liquid cooling pipe.
Specific implementation mode
Present invention is further described in detail with specific implementation mode below in conjunction with the accompanying drawings：
The present invention provides a kind of electric vehicle liquid-cooled power battery pack, which uses modularized design, structure letter
Single, the type of cooling is liquid cooling, and heat dissipation effect is good, battery pack operating temperature can be made to be maintained in reasonable range, using market
Upper common various parts, are easy to produce in batches, reasonable in design, good mechanical properties, and charge-discharge circuit is by again
Design, improves the electrical safety performance of battery pack.
Refering to Figure 1, the invention discloses a kind of electric vehicle liquid-cooled power battery pack, including liquid cooling plate 1, case
Body 2, the BMS devices 3 among liquid cooling plate, mounted on liquid cooling plate one end battery module 4, be mounted on the liquid cooling plate other end
Electrical equipment group 5, liquid cooling pipe 6, a few word beams 7.
Shown in Fig. 2, the liquid cooling plate 1 includes surface plate 11, inflation plate 12, and two boards are passed by being weldingly connected
It flows through in the gap that thermal medium is formed between surface plate and inflation plate.
Shown in Fig. 3, the babinet 2 is low including tank wall 21, bottom plate 22, high voltage interface 23, charging interface 24, communication
Crimp mouth 25, MSD devices 26, foot holder 27 and handle 28.High voltage interface 23, charging interface 24,25 and of communication low-voltage interface
MSD devices 26 are embedded on tank wall 21, and foot holder 27 is distributed on 2 bottom surrounding of babinet by welding, and handle 28 welds
It is connected on the position for being convenient to manually carry on tank wall 21.
Shown in Fig. 4, the BMS devices 3 include BMS chips 31, fixing bracket 32, between BMS chips 31 and holder
32 are connected by hexagonal double-ended bolt, and holder is bolted on liquid cooling plate 1.
Shown in Fig. 5, the battery module 4 includes, battery pack 41, by the installation of inside convex-concave slot on the battery pack
The double cover plate 42 of side and single cover board 43, single base 44 and dual bed 45 of the inside with convex-concave slot are fixed on base end by screw
47 battery pack of copper lug of output current portion plays the bronze medal 46 of connection electric action and is fixed on base end by screw
It is mounted on the base again by convex-concave slot, two groups of battery modules are connected by bolt with coldplate 1, a few word beams 7.
Shown in Fig. 6, the battery pack 41 includes battery cell 411, the retainer 412 for fixing battery cell, leads to
Excess convexity groove is fixed on the battery holder fixing device 413 at retainer both ends, connects the studs of upper layer and lower layer retainer
414, copper nickel plating flow collection sheet 415, the sensor fastening device on battery cell of battery pack positive and negative anodes are welded on
416, there are wedge-shaped convex-concave slot, each battery cell to be lined up in the form of splicing by retainer on the battery cell retainer 412
One row.
Shown in Fig. 7, the electrical equipment group 5 includes current sensor 51, main positive relay 52, main negative relay
53, preliminary filling relay 54 and preliminary filling resistance 55, these electrical equipments are fixed on by holder 56 on liquid cooling plate 1.
Shown in Fig. 8, the liquid cooling pipe, the inflation plate for steel hollow pipe and liquid cooling plate communicates, and coolant liquid is therefrom
It flows through.
Shown in Fig. 9, a few word beams are that cross section is " it is several that " bolt hole is arranged at the girder steel of font, girder steel top, leads to
It crosses bolt hole with liquid cooling plate and battery module to be connected, its underpart and box baseplate weld together.
Shown in Figure 10, red solid line is the cathode circuit of the high-tension circuit in figure, solid black lines are the height
Volt circuit cathode traces, blue are the low-voltage circuit, green is the telecommunication circuit.The cathode circuit of the high-tension circuit connects
Enter current sensor and main positive relay, the main negative relay of cathode traces access, pre-charge circuit includes preliminary filling relay and pre-
Charging resistance, it is in parallel with the positive relay of master.The low-voltage circuit will main positive relay, main negative relay, preliminary filling relay and biography
Sensor is connected with BMS devices, plays the control action to high-tension circuit.The telecommunication circuit will be transmitted to the data of each sensor
BMS devices.BMS devices will be connected by communication interface with full-vehicle control, and complete telecommunication circuit is formed.
The above described is only a preferred embodiment of the present invention, being not the limit for making any other form to the present invention
System, and according to the technical essence of the invention made by any modification or equivalent variations, still fall within present invention model claimed
It encloses.
Claims (6)
1. a kind of electric vehicle liquid-cooled power battery pack, including babinet, it is characterised in that：There are liquid cooling plate, case in the babinet
Body, BMS devices, battery module, electrical equipment group, a few word beams and liquid cooling pipe, the BMS devices are mounted among liquid cooling plate, institute
It states battery module and is mounted on liquid cooling plate one end, the electrical equipment group is mounted on the liquid cooling plate other end；
The liquid cooling plate is single-side blowing-up formula liquid cooling plate, and the liquid cooling plate is that surface plate another side is inflation plate on one side, described flat
Gap is formed between panel and inflation plate, heat eliminating medium flows through the gap formed between surface plate and inflation plate；
The babinet includes tank wall, high voltage interface, charging interface, communication low-voltage interface, foot holder and handle, the high-voltage connecting
Mouth, charging interface and letter low-voltage interface are fixed on tank wall, and the foot holder is welded on babinet surrounding, and the handle is fixed on case
At the top of wall；
The BMS devices include the BMS chips and fixing bracket that power battery pack needs, and the BMS chips pass through fixing bracket
It is fixed；
The battery module includes battery pack, double cover plate, single cover board, dual bed, single base, bronze medal and copper lug, described double-canopy
Plate and single cover board are mounted on above battery pack, and the double cover plate is fixed by corresponding dual bed, and the list cover board passes through corresponding single
Pedestal is fixed, and convex-concave slot is carried on the inside of the dual bed and single base, and the bronze medal is fixed on base end, and the copper lug is solid
It is scheduled on base end；
The electrical equipment group, including the positive relay of master, main negative relay, preliminary filling relay, current sensor and precharge
Resistance and holder, the positive relay of the master, main negative relay, preliminary filling relay, current sensor and preliminary filling resistance pass through holder
It is fixed and connected by connecting line；
The inflation plate of the liquid cooling pipe and liquid cooling plate communicates, and coolant liquid is flowed through from liquid cooling pipe；
A few word beams are the girder steels that cross section is several fonts, and there is bolt hole on girder steel top, passes through bolt hole and liquid cooling plate and electricity
Pond module is connected, and its underpart and box baseplate weld together.
2. a kind of electric vehicle liquid-cooled power battery pack according to claim 1, it is characterised in that：The electric vehicle
The electrical system of liquid-cooled power battery pack includes high-tension circuit, low-voltage circuit and telecommunication circuit, the anode of the high-tension circuit
Circuit accesses current sensor and main positive relay, the main negative relay of cathode traces access, then respectively with vehicle high voltage interface and
Charging interface is connected；The pre-charge circuit includes preliminary filling relay and preliminary filling resistance, the low pressure in parallel with the positive relay of master
The positive relay of master, main negative relay, preliminary filling relay and sensor are connected by circuit with BMS devices, and the control of BMS devices is main just
Three relay, main negative relay, preliminary filling relay relay on-off electricity, the telecommunication circuit is by each sensor and BMS devices
It is connected, the data of each sensor is transmitted to chip, BMS devices will be connected by communication interface with full-vehicle control, and composition is complete
Telecommunication circuit.
3. a kind of electric vehicle liquid-cooled power battery pack according to claim 1, it is characterised in that：The battery module
It is connect with liquid cooling plate and a few word beams by bolt.
4. a kind of electric vehicle liquid-cooled power battery pack according to claim 1, it is characterised in that：The foot holder and
Handle is fixed by welding manner.
5. a kind of electric vehicle liquid-cooled power battery pack according to claim 1, it is characterised in that：The copper nickel plating
Flow collection sheet is fixed on the positive and negative two-stage of battery pack by welding manner.
6. a kind of electric vehicle liquid-cooled power battery pack according to claim 1, it is characterised in that：Above the babinet
Steel cover board is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810267764.5A CN108461681B (en) | 2018-03-29 | 2018-03-29 | Liquid-cooled power battery pack for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810267764.5A CN108461681B (en) | 2018-03-29 | 2018-03-29 | Liquid-cooled power battery pack for electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108461681A true CN108461681A (en) | 2018-08-28 |
| CN108461681B CN108461681B (en) | 2020-11-27 |
Family
ID=63238126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810267764.5A Expired - Fee Related CN108461681B (en) | 2018-03-29 | 2018-03-29 | Liquid-cooled power battery pack for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108461681B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323381A (en) * | 2019-06-18 | 2019-10-11 | 蜂巢能源科技有限公司 | Shell, power battery pack and vehicle |
| DE102021113223A1 (en) | 2021-05-21 | 2022-11-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Device and method for an oil-cooled battery management system for a high-voltage battery |
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| CN106696706A (en) * | 2017-01-18 | 2017-05-24 | 河南锂想动力科技有限公司 | Power battery and high-voltage distribution box integrated control system for blade electric vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323381A (en) * | 2019-06-18 | 2019-10-11 | 蜂巢能源科技有限公司 | Shell, power battery pack and vehicle |
| DE102021113223A1 (en) | 2021-05-21 | 2022-11-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Device and method for an oil-cooled battery management system for a high-voltage battery |
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| CN108461681B (en) | 2020-11-27 |
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