CN108461681B - Liquid-cooled power battery pack for electric automobile - Google Patents
Liquid-cooled power battery pack for electric automobile Download PDFInfo
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- CN108461681B CN108461681B CN201810267764.5A CN201810267764A CN108461681B CN 108461681 B CN108461681 B CN 108461681B CN 201810267764 A CN201810267764 A CN 201810267764A CN 108461681 B CN108461681 B CN 108461681B
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 38
- 239000007788 liquid Substances 0.000 claims description 33
- 238000004891 communication Methods 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 5
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 229910000570 Cupronickel Inorganic materials 0.000 claims description 2
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 claims description 2
- 238000010923 batch production Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a liquid-cooled power battery pack for providing power for an electric automobile. The liquid-cooled battery pack has the characteristics of high heat dissipation efficiency, good reliability and excellent safety performance. The manufacturing cost is low, the functional requirements can be realized at low cost and high standard, and the batch production is easy to realize.
Description
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a liquid-cooled power battery pack of an electric automobile.
Background
Currently, the battery packs on the market are various but most of them have the problems of the same kind. If the structural design is unreasonable, the battery monomer cannot be properly placed; the heat dissipation effect is poor, so that the whole battery pack is abnormally heated; the mechanical property is not good, and fatigue cracks are easy to generate; the electric part has defects, potential safety hazards exist when the service life of the battery is influenced, and the like, so that the structure of the whole liquid-cooled power battery pack of the electric automobile needs to be improved.
Disclosure of Invention
In order to solve the above problems, the present invention provides a liquid-cooled power battery pack for an electric vehicle, the power battery pack adopts a modular design, has simple structure, adopts a liquid cooling mode, has good heat dissipation effect, can keep the working temperature of the battery pack within a reasonable range, adopts various common parts on the market, is easy for batch production, has reasonable structural design and good mechanical property, improves the electrical safety performance of the battery pack by redesigning a charging and discharging circuit, and comprises a box body, the box body is internally provided with a liquid cooling plate, a box body, a BMS device, a battery module, an electric element group, a beam in a shape like Chinese character 'ji' and a liquid cooling pipe, the BMS device is arranged in the middle of the liquid cooling plate, the battery module is arranged at one end of the liquid cooling plate, and the electric element group is arranged at the other end of the liquid cooling plate;
the liquid cooling plate is a single-side inflation type liquid cooling plate, one side of the liquid cooling plate is a plane plate, the other side of the liquid cooling plate is an inflation plate, a gap is formed between the plane plate and the inflation plate, and a heat transfer medium flows through the gap formed between the plane plate and the inflation plate;
the box body comprises a box wall, a high-voltage interface, a charging interface, a letter low-voltage interface, a foot supporting frame and a handle, wherein the high-voltage interface, the charging interface and the letter low-voltage interface are fixed on the box wall;
the BMS device comprises a BMS chip and a fixing bracket which are required by the power battery pack, and the BMS chip is fixed by the fixing bracket;
the battery module comprises a battery pack, double cover plates, a single cover plate, double bases, a single base, a copper plate and a copper nose, wherein the double cover plates and the single cover plate are arranged above the battery pack, the double cover plates are fixed through corresponding double bases, the single cover plate is fixed through corresponding single bases, convex grooves are formed in the inner sides of the double bases and the inner side of the single base, the copper plate is fixed at the end part of the base, and the copper nose is fixed at the end part of the base;
the electric element group comprises a main positive relay, a main negative relay, a pre-charging relay, a current sensor, a pre-charging resistor and a bracket, wherein the main positive relay, the main negative relay, the pre-charging relay, the current sensor and the pre-charging resistor are fixed through the bracket and connected through a connecting wire;
the liquid cooling pipe is communicated with the expansion plate of the liquid cooling plate, and cooling liquid flows through the liquid cooling pipe;
the cross section of the beam is a steel beam with a shape like a Chinese character 'ji', the upper part of the steel beam is provided with bolt holes, the steel beam is connected with the liquid cooling plate and the battery module through the bolt holes, and the lower part of the steel beam is welded with the bottom plate of the box body.
The invention is further improved, the electric system of the liquid-cooled power battery pack of the electric automobile comprises a high-voltage circuit, a low-voltage circuit and a communication circuit, wherein a positive circuit of the high-voltage circuit is connected with a current sensor and a main positive relay, and a negative circuit of the high-voltage circuit is connected with a main negative relay and then is respectively connected with a high-voltage interface and a charging interface of the whole automobile; the pre-charging circuit comprises a pre-charging relay and a pre-charging resistor, and is connected with a main positive relay in parallel, the low-voltage circuit connects the main positive relay, a main negative relay, the pre-charging relay and the sensors with the BMS device, the BMS device controls the main positive relay, the main negative relay and the pre-charging relay to be powered on and powered off, the communication circuit connects the sensors with the BMS device, the data of the sensors are transmitted to the chips, and the BMS device is connected with the whole vehicle control through a communication interface to form a complete communication circuit.
In a further improvement of the invention, the battery module is connected with the liquid cooling plate and the n-shaped beam through bolts.
According to the further improvement of the invention, the foot supporting frame and the handle are fixed in a welding mode.
The invention further improves that the copper nickel-plating current collector is fixed on the positive and negative two stages of the battery pack in a welding mode.
According to the further improvement of the invention, a steel cover plate is arranged above the box body.
The invention provides a liquid-cooled power battery pack for an electric automobile, which has the following beneficial effects compared with the prior art:
1. the battery pack adopts a modular design, the number of the battery modules can be flexibly increased and decreased according to the power consumption requirement of a target vehicle, the structure does not need to be greatly changed, and the battery pack is quick and convenient.
2. The power battery pack has the advantages that the heat productivity of the power battery pack is huge in the using process, the battery pack adopts a liquid cooling mode, temperature control can be carried out on a battery pack system more efficiently compared with natural cooling and forced air cooling, excessive heat generated during the working of the battery is taken away in time, the temperature rise of the battery is kept within a reasonable range, the working environment of the battery is improved, and the service life and the integral reliability of the battery are improved. Correspondingly, when the air temperature is low, a heat medium can be input through the cooling pipeline to preheat the battery, so that the working condition of the battery is improved.
3. The wedge-shaped convex and concave grooves are formed in the single battery holder, so that the single battery holder can be spliced automatically, the compactness of the battery pack is improved, and the overall size is reduced. Meanwhile, the wedge-shaped convex-concave grooves are matched tightly, so that the battery pack is further connected with the fixed bottom plate, and the integral connection strength of the battery module is improved.
4. The loose NR18650PF cylindrical battery is used as a battery monomer in the battery pack, and compared with square and soft-package batteries, the battery pack has the advantages of mature automatic production process, high product yield, good consistency, large heat dissipation area of the battery pack and excellent heat dissipation performance. Compared with other cylindrical battery cells, the battery cell has the excellent performances of larger capacity, longer service life, higher safety performance, high rated voltage, no memory effect, small internal resistance and the like.
5. The battery pack is provided with the charge and discharge circuit with the safety protection function, the two ends of the main positive relay are connected with the pre-charging circuit in parallel, the pre-charging circuit can prevent current mutation at the initial working stage of the circuit, and can break down some electrical elements in the hub motor at high voltage instantly, so that the reliability of the electrical elements and the overall safety of the battery pack are improved.
6. All parts used by the whole device are simple in structure, part of parts can be directly purchased from the market, no special process is needed, the cost is low, the functional requirements can be met at low cost and high standard, and batch production is easy to realize.
7. The design of the n-shaped beam further improves the heat dissipation effect of the battery pack, enhances the strength of the box body and enhances the mechanical property of the power battery pack.
Drawings
FIG. 1 is a perspective view showing the overall structure of a water-cooled power battery pack according to the present invention;
FIG. 2 is a front view of a water-cooled panel according to the present invention;
FIG. 3 is a perspective view of the housing of the present invention;
fig. 4 is a perspective view of the BMS device of the present invention;
fig. 5 is a perspective view of a battery module according to the present invention;
fig. 6 is a perspective view of a battery pack according to the present invention;
FIG. 7 is a perspective view of the electrical component group of the present invention;
FIG. 8 is a perspective view of a water cooled tube according to the present invention;
FIG. 9 is a perspective view of a cross beam of the present invention;
FIG. 10 is an electrical overview of the present invention;
illustration of the drawings:
1. a liquid-cooled plate; 11. a flat plate; 12. a blow-up plate; 2. a box body; 21. a box wall; 22. a base plate; 23. a high-voltage interface; 24. a charging interface; 25. a communication low voltage interface; 26. an MSD device; 27. a foot supporting frame; 28. a handle; 3. a BMS device; 31. a BMS chip; 32. fixing a bracket; 4. A battery module; 41. a battery pack; 411. a battery cell; 412. a holder; 413. a battery holder fixing device; 414. a stud; 415. copper nickel plating current collector; 416. a sensor fixing device; 42. double cover plates; 43. a single cover plate; 44. a single base; 45. a double base; 46. copper plate; 47. a copper nose; 5. an electrical component group; 51. a current sensor; 52. a main positive relay; 53. a main negative relay; 54. a pre-charging relay; 55. pre-charging a resistor; 56. a support; 6. a cross beam; 7. and (4) liquid cooling the tube.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
the invention provides a liquid-cooled power battery pack for an electric automobile, which adopts a modular design, has a simple structure, a liquid-cooled cooling mode and a good heat dissipation effect, can keep the working temperature of the battery pack within a reasonable range, adopts various common parts on the market, is easy for batch production, has reasonable structural design and good mechanical property, and improves the electrical safety performance of the battery pack through redesigning a charging and discharging circuit.
Referring to fig. 1, the invention discloses a liquid-cooled power battery pack for an electric vehicle, which comprises a liquid-cooled plate 1, a box body 2, a BMS device 3 arranged in the middle of the liquid-cooled plate, a battery module 4 arranged at one end of the liquid-cooled plate, an electrical component group 5 arranged at the other end of the liquid-cooled plate, a liquid-cooled pipe 6 and a cross beam 7.
As shown in fig. 2, the liquid cooling plate 1 includes a flat plate 11 and an inflation plate 12, the two plates are connected by welding, and a heat transfer medium flows through a gap formed between the flat plate and the inflation plate.
As shown in fig. 3, the case 2 includes a case wall 21, a bottom plate 22, a high voltage interface 23, a charging interface 24, a communication low voltage interface 25, an MSD device 26, a stand 27, and a handle 28. High-voltage interface 23, the interface 24 that charges, communication low pressure interface 25 and MSD device 26 are all inlayed on tank wall 21, hold in the palm foot rest 27 through the welded mode equipartition around the box 2 bottom, and handle 28 welds the position of being convenient for artifical transport in tank wall 21 top.
Referring to fig. 4, the BMS device 3 includes BMS chips 31 and fixing brackets 32, the BMS chips 31 are connected to the brackets 32 by hexagonal bolts, and the brackets are fixed to the liquid cooling plate 1 by bolts.
As shown in fig. 5, the battery module 4 includes a battery pack 41, a double cover plate 42 and a single cover plate 43 mounted above the battery pack through an inner convex-concave groove, a single base 44 and a double base 45 with convex-concave grooves on the inner side, a copper plate 46 fixed at the end of the base by screws for connecting and conducting, and a copper nose 47 fixed at the end of the base by screws for outputting current, and the battery pack is also mounted on the base through convex-concave grooves, and two sets of battery modules are connected with the cooling plate 1 and the cross beam 7 by bolts.
As shown in fig. 6, the battery pack 41 includes battery cells 411, holders 412 for fixing the battery cells, battery holder fixing devices 413 fixed to two ends of the holders through convex-concave grooves, studs 414 connected to the upper and lower holders, copper nickel-plated current collectors 415 welded to the positive and negative electrodes of the battery pack, and sensor fixing devices 416 mounted on the battery cells, the battery cell holders 412 have wedge-shaped convex-concave grooves, and the battery cells are arranged in a row through the holders in a splicing manner.
As shown in fig. 7, the electrical component group 5 includes a current sensor 51, a main positive relay 52, a main negative relay 53, a pre-charge relay 54 and a pre-charge resistor 55, and these electrical components are fixed on the liquid cooling plate 1 through a bracket 56.
Referring to fig. 8, the liquid-cooled tube is a hollow steel tube and a blown sheet of liquid-cooled sheet, through which a cooling liquid flows.
As shown in fig. 9, the cross-section of the beam is a steel beam with a cross-section in a shape of a Chinese character ji, the upper portion of the steel beam is provided with bolt holes, the steel beam is connected with the liquid cooling plate and the battery module through the bolt holes, and the lower portion of the steel beam is welded with the bottom plate of the box body.
Referring to fig. 10, a red solid line in the figure is a positive electrode circuit of the high-voltage circuit, a black solid line is a negative electrode circuit of the high-voltage circuit, blue is the low-voltage circuit, and green is the communication circuit. The high-voltage circuit is characterized in that a positive circuit is connected with a current sensor and a main positive relay, a negative circuit is connected with a main negative relay, and a pre-charging circuit comprises a pre-charging relay and a pre-charging resistor and is connected with the main positive relay in parallel. The low-voltage circuit connects the main positive relay, the main negative relay, the pre-charging relay and the sensor with the BMS device, and plays a role in controlling the high-voltage circuit. The communication circuit will transmit the data of the sensors to the BMS device. The BMS device is connected with the whole vehicle control through a communication interface to form a complete communication circuit.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, but any modifications or equivalent variations made according to the technical spirit of the present invention are within the scope of the present invention as claimed.
Claims (6)
1. The utility model provides an electric automobile liquid cooling type power battery package, includes the box, its characterized in that: the battery module is arranged at one end of the liquid cooling plate, and the electric element group is arranged at the other end of the liquid cooling plate;
the liquid cooling plate is a single-side inflation type liquid cooling plate, one side of the liquid cooling plate is a plane plate, the other side of the liquid cooling plate is an inflation plate, a gap is formed between the plane plate and the inflation plate, and a heat dissipation medium flows through the gap formed between the plane plate and the inflation plate;
the box body comprises a box wall, a high-voltage interface, a charging interface, a communication low-voltage interface, a foot supporting frame and a handle, wherein the high-voltage interface, the charging interface and the communication low-voltage interface are fixed on the box wall;
the BMS device comprises a BMS chip and a fixing bracket which are required by the power battery pack, and the BMS chip is fixed by the fixing bracket;
the battery module comprises a battery pack, double cover plates, a single cover plate, double bases, a single base, a copper plate and a copper nose, wherein the double cover plates and the single cover plate are arranged above the battery pack, the double cover plates are fixed through corresponding double bases, the single cover plate is fixed through corresponding single bases, convex grooves are formed in the inner sides of the double bases and the inner side of the single base, the copper plate is fixed at the end part of the base, and the copper nose is fixed at the end part of the base;
the electric element group comprises a main positive relay, a main negative relay, a pre-charging relay, a current sensor, a pre-charging resistor and a bracket, wherein the main positive relay, the main negative relay, the pre-charging relay, the current sensor and the pre-charging resistor are fixed through the bracket and connected through a connecting wire;
the liquid cooling pipe is communicated with the expansion plate of the liquid cooling plate, and cooling liquid flows through the liquid cooling pipe;
the cross section of the beam is a steel beam with a shape like a Chinese character 'ji', the upper part of the steel beam is provided with bolt holes, the steel beam is connected with the liquid cooling plate and the battery module through the bolt holes, and the lower part of the steel beam is welded with the bottom plate of the box body.
2. The liquid-cooled power battery pack for the electric vehicle as claimed in claim 1, wherein: the electric system of the liquid-cooled power battery pack of the electric automobile comprises a high-voltage circuit, a low-voltage circuit, a pre-charging circuit and a communication circuit, wherein a positive circuit of the high-voltage circuit is connected with a current sensor and a main positive relay, and a negative circuit of the high-voltage circuit is connected with a main negative relay and then is respectively connected with a high-voltage interface and a charging interface of the whole automobile; the pre-charging circuit comprises a pre-charging relay and a pre-charging resistor, and is connected with a main positive relay in parallel, the low-voltage circuit connects the main positive relay, a main negative relay, the pre-charging relay and the sensors with the BMS device, the BMS device controls the main positive relay, the main negative relay and the pre-charging relay to be powered on and powered off, the communication circuit connects the sensors with the BMS device, the data of the sensors are transmitted to the chips, and the BMS device is connected with the whole vehicle control through a communication interface to form a complete communication circuit.
3. The liquid-cooled power battery pack for the electric vehicle as claimed in claim 1, wherein: the battery module is connected with the liquid cooling plate and the n-shaped beam through bolts.
4. The liquid-cooled power battery pack for the electric vehicle as claimed in claim 1, wherein: the foot supporting frame and the handle are fixed in a welding mode.
5. The liquid-cooled power battery pack for the electric vehicle as claimed in claim 1, wherein: the positive and negative poles of the battery pack are provided with copper nickel plating current collecting plates fixed in a welding mode.
6. The liquid-cooled power battery pack for the electric vehicle as claimed in claim 1, wherein: and a steel cover plate is arranged above the box body.
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 CN108461681A (en) | 2018-08-28 |
| CN108461681B true CN108461681B (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810267764.5A Expired - Fee Related CN108461681B (en) | 2018-03-29 | 2018-03-29 | Liquid-cooled power battery pack for electric automobile |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323381B (en) * | 2019-06-18 | 2022-08-05 | 蜂巢能源科技有限公司 | Casing, power battery package 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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|---|---|---|---|---|
| CN105128678A (en) * | 2015-10-13 | 2015-12-09 | 东风汽车股份有限公司 | High-voltage power-on and power-off control system and control method for pure electric vehicle |
| CN106143189A (en) * | 2016-07-07 | 2016-11-23 | 金龙联合汽车工业（苏州）有限公司 | Batteries of electric automobile group high-voltaghe compartment |
| WO2017003168A1 (en) * | 2015-06-30 | 2017-01-05 | 인지컨트롤스 주식회사 | Battery pack |
| 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 |
| CN106711541A (en) * | 2016-12-14 | 2017-05-24 | 华南理工大学 | Compact forced air cooling power batter system assembly of electric formula car |
-
2018
- 2018-03-29 CN CN201810267764.5A patent/CN108461681B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017003168A1 (en) * | 2015-06-30 | 2017-01-05 | 인지컨트롤스 주식회사 | Battery pack |
| CN105128678A (en) * | 2015-10-13 | 2015-12-09 | 东风汽车股份有限公司 | High-voltage power-on and power-off control system and control method for pure electric vehicle |
| CN106143189A (en) * | 2016-07-07 | 2016-11-23 | 金龙联合汽车工业（苏州）有限公司 | Batteries of electric automobile group high-voltaghe compartment |
| CN106711541A (en) * | 2016-12-14 | 2017-05-24 | 华南理工大学 | Compact forced air cooling power batter system assembly of electric formula car |
| 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 |
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| CN108461681A (en) | 2018-08-28 |
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