CN112331936A - Battery system and car - Google Patents
Battery system and car Download PDFInfo
- Publication number
- CN112331936A CN112331936A CN202011036807.2A CN202011036807A CN112331936A CN 112331936 A CN112331936 A CN 112331936A CN 202011036807 A CN202011036807 A CN 202011036807A CN 112331936 A CN112331936 A CN 112331936A
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- Prior art keywords
- air
- battery
- battery module
- air inlet
- battery system
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- 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
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- 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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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
-
- 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
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- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a battery system and an automobile adopting the battery system, wherein the battery system comprises an installation space of a battery pack, at least one battery module, a master/slave control unit, a power distribution unit and an air cooling unit; the battery pack shell provides an installation space and comprises side walls, a bottom wall and a top wall, wherein the bottom wall and/or one side wall is/are provided with openings so as to provide an air inlet for cold air to enter the air-cooled flow channel, and an air outlet is provided on the top wall, and the air-cooled flow channel is formed between the air inlet and the air outlet; the master/slave control unit and the power distribution unit are positioned above the battery module and are connected with the battery module through a wiring harness; the air-cooling unit provides a fan acting on the air outlet. The battery module and the electrical component are arranged in a stacked mode, the height space of the battery module can be fully utilized, the arrangement of the high-voltage copper bars and the wiring harnesses can be optimized, and the battery module has the advantages of compact structure and high volume power density.
Description
Technical Field
The invention belongs to the technical field of power automobiles, and particularly relates to a battery system of a series type oil-electricity hybrid electric vehicle and an automobile adopting the battery system.
Background
At present, the number of gasoline-electric hybrid vehicles in the market is small, most of the gasoline-electric hybrid vehicles adopt nickel-hydrogen batteries, the power density is low, and in addition, the following defects exist:
1) most of the existing battery systems for hybrid vehicles are irregular in shape, are arranged below a central console or a rear seat of an automobile and are not beneficial to the coordination arrangement of other parts of the whole automobile;
2) electric vehicles in the existing market mostly adopt a liquid cooling or natural air cooling heat management scheme, and the liquid cooling temperature control scheme has a complex structure and higher cost and has certain liquid leakage and insulation fault risks; the natural air cooling scheme has the disadvantages of poor working temperature adaptability of the battery, easy limitation of power output in high-temperature or low-temperature areas and poor use experience.
3) The existing hybrid vehicle type battery system has a low voltage platform, corresponding high-voltage parts need to be matched and developed, and the cost is high.
Based on this, this application proposes a series-type battery system of oil-electricity hybrid vehicle and adopts the car of this battery system specially.
Disclosure of Invention
The invention provides a battery system and an automobile adopting the battery system, which aim to overcome the defects of the prior art.
In order to achieve the above object, in one aspect, the present invention provides a battery system for supplying or cutting off power to or from a powered device, including:
a mounting space for a battery pack;
at least one battery module;
a master/slave control unit;
a power distribution unit; and
an air-cooling unit;
wherein the battery can body provides an installation space, the battery can body at least partially surrounds an air-cooled flow channel for allowing a cold airflow to flow through from the surface of the battery module, the battery can body comprises a side wall, a bottom wall and a top wall, wherein the bottom wall and/or one side wall is provided with an opening so as to provide an air inlet for the cold airflow to enter the air-cooled flow channel, and an air outlet is provided on the top wall, and the air-cooled flow channel is formed between the air inlet and the air outlet;
the master/slave control unit and the power distribution unit are positioned above the battery module and are connected with the battery module through a wiring harness;
wherein the air-cooling unit provides a fan acting on the air outlet, the fan generating a cold air flow from the air inlet to the air outlet via the battery module, the master/slave control unit and the power distribution unit.
According to another embodiment of the present invention, a wind plate is provided in the installation space, the battery module is supported on the wind plate, and the cold air flow flowing from the air inlet flows over the surface of the battery module under the flow of the wind plate.
According to another embodiment of the present invention, the air inlet is disposed at one side of the air plate, a cavity matched with the battery module is formed on the air plate, a plurality of vertical plates are disposed in the cavity, and the vertical plates are disposed in front of the cold air flowing from the air inlet, so that at least a portion of the cold air flows upward after encountering the vertical plates.
According to another embodiment of the invention, the cold air flow coming in from the air inlet has at least a horizontal component in its original flow direction after encountering the riser.
According to another embodiment of the invention, the air inlet is arranged on one side wall, a continuous air duct is convexly formed on one side of the air plate, the air duct is connected with the air inlet through a pipeline, and a Z-shaped air inlet duct is formed in the air inlet, the pipeline and the air duct.
According to another embodiment of the invention, a plurality of flow guiding plates for diffusing the cold air flow are arranged in the air duct, wherein at least two flow guiding plates are arranged to diffuse the cold air flow to each position of the cavity on the air duct.
According to another embodiment of the invention, the battery pack further comprises a bottom frame, the battery pack shell is provided with a plurality of support legs, and the battery pack shell is connected to the bottom frame through the plurality of support legs.
According to another embodiment of the invention, the master/slave control unit and the power distribution unit are configured to be flatly arranged on the top of the battery module, and particularly, interfaces for connecting communication are integrated at each connection position, so that the battery module is convenient to assemble quickly and the space arrangement is optimized.
According to another embodiment of the present invention, a switch for maintenance is provided on the battery pack case.
According to another embodiment of the invention, the battery pack case is a square case. The battery pack shell adopts a high-strength steel plate as a protective shell, so that the impact of articles in a luggage compartment can be effectively resisted, and a battery system is protected from mechanical impact.
Meanwhile, the invention also provides an automobile adopting the battery system.
The invention has the following beneficial effects:
the battery module and the electrical components (the master/slave control unit and the power distribution unit) are arranged in a stacked manner, so that the height space of the battery module can be fully utilized, the arrangement of a high-voltage copper bar and a wiring harness can be optimized, and the battery module has the advantages of compact structure and high volume power density;
in addition, the fan of heat dissipation usefulness arranges in the top of whole battery package, specifically for directly setting up the fan on the roof, effectively shortens cooling air pipe occupation space, and whole air-cooled structure is more succinct.
In addition, the shape of the battery pack shell is regular, and the battery pack shell can be arranged with other parts in the automobile in a coordinated manner, so that the irregular situation in the luggage compartment is improved, the use space of the luggage compartment is optimized, and the commodity is improved.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of the overall structure of a battery system of the present invention;
FIG. 2 is an exploded view of the battery system of the present invention;
FIG. 3 is a schematic structural view of a battery pack case according to the present invention;
FIG. 4 is an exploded view of the interior of the battery pack housing of the present invention;
FIG. 5 is a schematic view of another exploded perspective of FIG. 4;
FIG. 6 is a schematic structural view of the damper of the present invention;
fig. 7 is a schematic view of the battery system of the present invention installed in a trunk.
Detailed Description
The present invention provides a battery system, as shown in fig. 1 to 6, for supplying power to or cutting off power supply to electric devices, including a battery pack case 10, a battery module 20, a master/slave control unit 30, a power distribution unit 40, and an air cooling unit 50.
The battery pack case 10 provides an installation space 10a for the battery module 20, the master/slave control unit 30, and the power distribution unit 40, and includes a side wall 11, a bottom wall 12, and a top wall 13, wherein the side wall 11 and the bottom wall 12 are preferably integrally formed to be used as a lower case having the installation space 10a, and the top wall 13 is used as an upper case and can be conveniently detached from the lower case.
The air-cooled flow channel 10b is formed inside the battery pack case 10, the battery pack case 10 at least partially surrounds the air-cooled flow channel 10b for allowing the cold air to flow through from the surface of the battery module 20, two openings are formed on one side wall 11a to serve as an air inlet 14 for the cold air, an air outlet 15 is formed on the top wall 13, and the air-cooled flow channel 10b is formed between the air inlet 14 and the air outlet 15 to cool and dissipate the battery module 20, the master/slave control unit 30 and the power distribution unit 40 which are located in the installation space 10 a;
as shown in fig. 3 and 4, four battery modules 20 are provided in the present invention, four battery modules 20 are arranged in an array in the installation space 10a to save space, the master/slave control unit 30 and the power distribution unit 40 are located above the battery modules 20, and the master/slave control unit 30 and the power distribution unit 40 are connected to the battery modules 20 through the wiring harness 31 and the high-voltage copper bar 33;
preferably, the master/slave control unit 30 and the power distribution unit 40 are configured to be horizontally disposed on the top of the battery module 20, and particularly, the interfaces 32 for connecting communication are integrated at each connection, so as to facilitate quick assembly and optimize space arrangement.
In which, a part of the wire harness 31 and/or the high-voltage copper bar 33 can pass through the gap between the adjacent battery modules 20, so as to further save space, so that the structure of the battery pack case 10 of the present invention is more regular, for example, a square structure is presented, which is convenient for the installation and use process of the battery system.
The air cooling unit 50 provides a fan 51 and an air outlet pipe 52 acting on the air outlet 15, the fan 51 is fixed on the top wall 13 by means of a mounting bracket 53, for example, to generate a cold air flow from the air inlet 14 to the air outlet 15 through the battery module 20, the master/slave control unit 30 and the power distribution unit 40, and the cold air flow is discharged from the air outlet 15 after being subjected to sufficient heat exchange with the battery module 20, the master/slave control unit 30 and the power distribution unit 40 and then discharged to the outside of the automobile through the air outlet pipe 52.
The present invention is also provided with the specially designed damper 60 for rapidly dispersing the cold air flow flowing from the air inlet 14 to various regions of the installation space 10a and forming a stable and orderly flow in the installation space 10 a.
The air plate 60 is disposed at the bottom of the mounting space 10a, the battery module 20 is supported by the air plate 60, and the cold air flow flowing from the air inlet 14 can directly flow through the surface of the battery module 20 under the flow guide of the air plate 60; four cavities 60a corresponding to the battery modules 20 one to one are formed in the wind plate 60, and a plurality of vertical plates 61 are disposed in the cavities 60a, as shown in fig. 5, wherein the vertical plates 61 are disposed in front of the cold airflow flowing from the air inlet 14, so that at least a portion of the cold airflow meets the vertical plates 61 and then flows upward, thereby achieving a rapid flow guiding effect.
Wherein, the cold air current can form stable flow path under the effect of a plurality of risers 61, can effectively solve the vortex phenomenon of the cold air current among the prior art, make the even, stable flow of cold air current in order to provide the better cooling effect to parts such as battery module 20.
In the embodiment, the vertical plate 61 may also be inclined, and the cold airflow flowing from the air inlet 14 has at least a horizontal component along the original flowing direction after meeting the vertical plate 61, so as to be rapidly diffused to each area of the cavity 60a, and form a cooling airflow capable of fully covering the installation space 10 a.
In order to facilitate the arrangement of the air inlet pipe 53, the air inlet 14 of the present invention is disposed on one of the side walls 11a, a continuous air channel 62 is convexly formed on one side of the air plate 60 located on the side wall 11a, the air channel 62 is connected with the air inlet 14 through a pipeline 63, and a Z-shaped air inlet channel is formed in the air inlet 14, the pipeline 63 and the air channel 62.
The air duct 62 is provided with a plurality of flow guide plates 64 for diffusing the cold air flow flowing in, and at least two flow guide plates 64 are provided for diffusing the cold air flow to each position of the cavity 60a on the air duct 60.
The present invention further provides a bottom frame 70 for installation, and the battery pack case 10 is provided with a plurality of legs 16, as shown in fig. 2, and the battery pack case 10 is bolted to the bottom frame 70 through the plurality of legs 16.
The battery pack case 10 of the present invention preferably uses a high-strength steel plate as a protective case, which can effectively resist the impact of the items in the trunk and protect the battery system from mechanical impact, and a switch 17 for maintenance, for example, may be further provided on the battery pack case 10 for the convenience of maintenance.
The invention also provides a gasoline-electric hybrid electric vehicle, wherein the battery system is arranged on a bottom plate 80 in a trunk, as shown in fig. 7, the gravity center position of the whole vehicle can be optimized by means of the dead weight of the battery system, and the driving controllability of the vehicle is improved.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Claims (10)
1. A battery system for supplying power to or cutting off power to a powered device, comprising:
a mounting space (10a) for the battery pack;
at least one battery module (20);
a master/slave control unit (30);
a power distribution unit (40); and
an air-cooling unit (50);
wherein a battery pack housing (10) provides the mounting space (10a), the battery pack housing (10) at least partially enclosing an air-cooling flow passage (10b) for flowing a cold air flow from a surface of the battery module (20), the battery pack housing (10) comprising side walls (11), a bottom wall (12) and a top wall (13), wherein the bottom wall (12) and/or one of the side walls (11) has an opening therein to provide an air inlet (14) for the cold air flow into the air-cooling flow passage (10b) and an air outlet (15) in the top wall (13), the air-cooling flow passage (10b) being formed between the air inlet (14) and the air outlet (15);
wherein the master/slave control unit (30) and the power distribution unit (40) are located above the battery module (20), and the master/slave control unit (30) and the power distribution unit (40) are connected with the battery module (20) through a wire harness;
wherein the air cooling unit (50) provides a fan (51) acting at the air outlet (15), the fan (51) generating a cold air flow from the air inlet (14) via the battery module (20), the master/slave control unit (30) and the power distribution unit (40) to the air outlet (15).
2. The battery system according to claim 1, wherein a damper (60) is provided in the mounting space (10a), the battery module (20) is supported on the damper (60), and a flow of cold air flowing in from the air inlet (14) flows from a surface of the battery module (20) by a flow of the damper (60).
3. The battery system according to claim 2, wherein the air inlet (14) is disposed at one side of the air plate (60), a cavity (60a) matched with the battery module (20) is formed on the air plate (60), a plurality of vertical plates (61) are disposed in the cavity (60a), and the vertical plates (61) are disposed in front of the cold air flowing in from the air inlet (14) so that at least a portion of the cold air flows upward after encountering the vertical plates (61).
4. A battery system according to claim 3, characterised in that the cold air flow coming in from the air inlet (14) has at least a horizontal component in its original flow direction after encountering the riser (61).
5. The battery system according to claim 3, wherein the air inlet (14) is disposed on one of the side walls (11a), a continuous air duct (62) is convexly formed on one side of the air plate (60), the air duct (62) is connected with the air inlet (14) through a pipe (63), and the air inlet (14), the pipe (63) and the air duct (62) form a Z-shaped air inlet duct.
6. The battery system according to claim 5, wherein a plurality of flow guide plates (64) for diffusing the cold air flow are provided in the air groove (62).
7. The battery system according to claim 1, further comprising a bottom frame (70), wherein the battery pack case (10) is provided with a plurality of legs (16), and the battery pack case (10) is connected to the bottom frame (70) through the plurality of legs (16).
8. The battery system according to claim 1, wherein the master/slave control unit (30) and the power distribution unit (40) are configured to be placed flat on top of the battery module (20).
9. The battery system according to claim 1, wherein the battery pack case (10) is a square case.
10. An automobile comprising the battery system according to any one of claims 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010556880 | 2020-06-18 | ||
| CN2020105568806 | 2020-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112331936A true CN112331936A (en) | 2021-02-05 |
Family
ID=74303386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011036807.2A Pending CN112331936A (en) | 2020-06-18 | 2020-09-27 | Battery system and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112331936A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116598649A (en) * | 2023-07-18 | 2023-08-15 | 广州市耀明新能源科技有限公司 | Intelligent nickel-hydrogen battery device for preventing uncontrolled heating |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203721841U (en) * | 2013-12-26 | 2014-07-16 | 上海航天电源技术有限责任公司 | Air-cooling heat dissipation structure of power battery pack system |
| US20170187079A1 (en) * | 2015-12-29 | 2017-06-29 | Lg Chem, Ltd. | Battery pack |
| CN108389992A (en) * | 2018-03-29 | 2018-08-10 | 中国第汽车股份有限公司 | A kind of power battery assembly |
| CN208433425U (en) * | 2018-07-30 | 2019-01-25 | 湖南科霸汽车动力电池有限责任公司 | Air-cooled battery pack |
| CN109515216A (en) * | 2018-12-06 | 2019-03-26 | 中国第汽车股份有限公司 | Power battery of pure electric automobile assembly structure |
| CN209492395U (en) * | 2019-01-25 | 2019-10-15 | 上海汽车集团股份有限公司 | The commercial automobile-used low-voltage distribution control system of new energy |
| CN210535713U (en) * | 2019-08-16 | 2020-05-15 | 江西瑞马新能源汽车制造有限公司 | Large-capacity nano silicon-carbon material lithium battery |
-
2020
- 2020-09-27 CN CN202011036807.2A patent/CN112331936A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203721841U (en) * | 2013-12-26 | 2014-07-16 | 上海航天电源技术有限责任公司 | Air-cooling heat dissipation structure of power battery pack system |
| US20170187079A1 (en) * | 2015-12-29 | 2017-06-29 | Lg Chem, Ltd. | Battery pack |
| CN108389992A (en) * | 2018-03-29 | 2018-08-10 | 中国第汽车股份有限公司 | A kind of power battery assembly |
| CN208433425U (en) * | 2018-07-30 | 2019-01-25 | 湖南科霸汽车动力电池有限责任公司 | Air-cooled battery pack |
| CN109515216A (en) * | 2018-12-06 | 2019-03-26 | 中国第汽车股份有限公司 | Power battery of pure electric automobile assembly structure |
| CN209492395U (en) * | 2019-01-25 | 2019-10-15 | 上海汽车集团股份有限公司 | The commercial automobile-used low-voltage distribution control system of new energy |
| CN210535713U (en) * | 2019-08-16 | 2020-05-15 | 江西瑞马新能源汽车制造有限公司 | Large-capacity nano silicon-carbon material lithium battery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116598649A (en) * | 2023-07-18 | 2023-08-15 | 广州市耀明新能源科技有限公司 | Intelligent nickel-hydrogen battery device for preventing uncontrolled heating |
| CN116598649B (en) * | 2023-07-18 | 2024-01-23 | 广州市耀明新能源科技有限公司 | Intelligent nickel-hydrogen battery device for preventing uncontrolled heating |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 430056 No. 10 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Wuhan, Hubei Applicant after: DONGFENG MOTER Co.,Ltd. Address before: No.12 Fengshen Avenue, Huadu District, Guangzhou, Guangdong 510000 Applicant before: DONGFENG MOTER Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210205 |