WO2023006094A1 - 电池包充电系统和充电装置 - Google Patents

电池包充电系统和充电装置 Download PDF

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Publication number
WO2023006094A1
WO2023006094A1 PCT/CN2022/109121 CN2022109121W WO2023006094A1 WO 2023006094 A1 WO2023006094 A1 WO 2023006094A1 CN 2022109121 W CN2022109121 W CN 2022109121W WO 2023006094 A1 WO2023006094 A1 WO 2023006094A1
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WIPO (PCT)
Prior art keywords
battery pack
charging
charging system
plate
box body
Prior art date
Application number
PCT/CN2022/109121
Other languages
English (en)
French (fr)
Inventor
郭舒
Original Assignee
比亚迪股份有限公司
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Filing date
Publication date
Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Priority to AU2022319663A priority Critical patent/AU2022319663A1/en
Priority to EP22848698.1A priority patent/EP4333244A4/en
Priority to CA3223400A priority patent/CA3223400A1/en
Priority to KR1020237041455A priority patent/KR20240005834A/ko
Priority to JP2023580697A priority patent/JP2024525033A/ja
Publication of WO2023006094A1 publication Critical patent/WO2023006094A1/zh
Priority to US18/529,925 priority patent/US20240106034A1/en

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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
    • H01M10/46—Accumulators structurally combined with charging apparatus
    • 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
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00309—Overheat or overtemperature protection
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/302—Cooling of charging equipment
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
    • B60L58/32—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load
    • B60L58/33—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load by cooling
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
    • B60L58/32—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load
    • B60L58/34—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load by heating
    • 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
    • H01M10/61—Types of temperature control
    • H01M10/615—Heating or keeping warm
    • 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
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • 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
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/112—Monobloc comprising multiple compartments
    • 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
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • 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
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • 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
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • 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
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Definitions

  • the present application relates to the field of battery technology, in particular to a battery pack charging system and a charging device.
  • This application aims to solve one of the technical problems in the related art at least to a certain extent.
  • the present application proposes a battery pack charging system, which can realize charging the battery pack without the vehicle needing to wait for a long time.
  • the present application further proposes a charging device.
  • the battery pack charging system includes: a charging base, the charging base is arranged at a charging station, and the charging base is suitable for being electrically connected with the battery pack, so that the battery pack is placed in the charging station.
  • the battery pack is charged when the base is used; the cooling structure is arranged on the charging base, and the cooling structure is used to cool the battery pack.
  • the battery pack is separated from the vehicle, and a charging base that can carry the battery pack and a charging device and a charging system for charging the battery pack are installed at the charging station to realize the charging of the battery pack.
  • Charging there is no need for the vehicle to wait for a long time, and the vehicle can drive freely while the battery pack is charging.
  • the charging base can quickly meet the needs of the battery system for fast charging and heat dissipation by controlling the heat dissipation power of the cooling system; also at low temperatures, it can meet the heating requirements of the battery system by providing greater heating power. Heating needs.
  • the charging device is suitable for charging the charging pack
  • the charging device includes a charging base, the charging base is set at a charging station, and the charging base is provided with a A charging interface for charging the battery pack, the charging interface is adapted to be electrically connected to the battery pack, so that when the battery pack is placed on the charging base, the battery pack is charged through the charging interface.
  • FIG. 1 is a schematic structural diagram of a battery pack charging system provided by an embodiment of the present application.
  • Fig. 2 is a schematic structural diagram of a battery pack charging system provided by yet another embodiment of the present application.
  • Fig. 3 is a schematic structural diagram of the arrangement of the battery pack cold plate and the heating plate in the battery pack charging system provided by another embodiment of the present application.
  • Fig. 4 is a schematic structural diagram of a battery pack charging system provided by another embodiment of the present application.
  • Fig. 5 is a schematic structural diagram of the arrangement of the battery pack cold plate and the heating plate in the battery pack charging system provided by another embodiment of the present application.
  • Fig. 6 is a schematic structural diagram of a battery pack according to an embodiment of the present application.
  • Fig. 7 is a schematic diagram of a charging device provided by an embodiment of the present application.
  • the battery pack charging system provided in the embodiment of the present application includes a battery pack 4 , a charging base 1 and a cooling structure.
  • the battery pack 4 includes a box body 41 and a battery unit, and the battery unit is placed in the box body 41 .
  • the charging base 1 is set at the charging station, and the charging base 1 is suitable for being electrically connected with the battery pack 4 , so that the battery pack 4 can be charged when the battery pack 4 is placed on the charging base 1 .
  • the cooling structure is arranged on the charging base 1 , and the cooling structure is used for cooling the battery pack 4 .
  • the battery pack 4 is separated from the vehicle, and a charging base 1 capable of carrying the battery pack 4 is installed at the charging station and a charging device and a charging system for charging the battery pack 4 are provided to realize Charging the battery pack 4 does not require the vehicle to wait for a long time, and the vehicle can also drive freely while the battery pack 4 is being charged.
  • the cooling structure is provided to make the battery pack 4 dissipate heat to ensure charging safety.
  • the cooling structure in the embodiment of the present application can be directly installed on the charging base, and the cooling structure is connected to the box body through a thermal conductive glue or a thermal pad, thereby cooling or heating the battery box body.
  • the charging base can also be directly formed into a flow channel plate, which is connected with the flat plate of the battery box through a structural sealant to form a flow channel cavity to cool or heat the battery system.
  • a groove 21 for cooling channels is provided on the charging base 1 .
  • the cooling system will act on the battery pack at the same time to cool the battery pack, that is, on the battery pack There is no cooling system or the battery pack is cooled on one side.
  • the groove 21 can be formed by stamping on the surface of the charging base 1 .
  • the bottom of the battery pack 4 can be flat or provided with protrusions, so that the bottom of the battery pack 4 can cooperate with the groove 21 to form a flow channel, so as to realize the purpose of heating or cooling the battery pack 4 through the flow channel.
  • the charging base 1 may also be provided separately from the cooling structure.
  • the battery pack charging system further includes a cold plate 2 including a cooling structure, and the cold plate 2 is connected to the charging base 1 .
  • a cooling channel may be provided on the cold plate 2 .
  • the cooling structure includes protrusions, and the bottom of the battery pack 4 is a flat plate. In this way, the bottom of the battery pack 4 cooperates with the protrusions to form a flow channel, so as to achieve the purpose of heating or cooling the battery pack 4 through the flow channel.
  • the cooling system can include two arrangements.
  • One is that the cooling system is a rear-mounted structure, which is formed by the cooperation of a battery pack 4, a cold plate 2 and a charging base 1;
  • One of the substrates in the substrate and the flow channel substrate), the other substrate is arranged at the charging base 1, and the flow channel is formed by the cooperation of the two substrates (ie, the stamping substrate and the flow channel substrate).
  • the cooling structure in the embodiment of the present application can be integrally formed with the charging base 1 or can be provided separately.
  • the present application does not limit this, as long as the cooling structure can be set to cool the battery pack 4 .
  • the cooling structure and the charging base 1 are integrally formed, the cooling structure is arranged at the charging station, the battery pack 4 itself may not have a cooling structure, and the heat dissipation of the battery pack 4 on the vehicle can be cooled and dissipated through the specific structural design of the battery pack 4 .
  • the cooling structure can also be a part of the battery pack 4 installed on the vehicle, or a part of the cold plate 2 installed on the charging base 1 .
  • the setting of the cooling structure in the embodiment of the present application is not limited, and designs that can achieve cooling purposes are within the protection scope of the present application.
  • the cooling structure can be formed by grooves 21 or protrusions.
  • the cooling structure on the charging base 1 can be a liquid cooling, direct cooling or semiconductor cooling system, and the cooling power and heat exchange capacity can be changed according to the needs, so as to meet the different heat dissipation requirements of the battery pack 4 box 41 .
  • the heat exchange area of the battery pack 4 can be changed by adjusting the flow rate of the water inlet and outlet or changing the splicing number of the cold plates 2 .
  • mutually cooperating mounting parts can be provided on the battery pack 4 and the charging base 1 , such as screw holes for screw-fixed connection.
  • the case 41 of the battery pack 4 in the embodiment of the present application may not be equipped with a cooling plate.
  • the battery pack 4 When the battery pack 4 needs to be charged, it can be disassembled from the vehicle and placed on the charging base 1 or installed on the charging base 1 to start charging and cooling. , to realize cooling while charging the battery pack 4 .
  • the battery pack charging system in the embodiment of the present application may include not only a cooling structure, but also a heating or protection structure for heating or protecting the battery pack 4 , for example, a heating plate 3 or a protection plate 5 .
  • the heating plate 3 and the protection plate 5 can be integrally formed with the battery pack 4, or can be designed separately to achieve fixed connection.
  • the battery pack charging system further includes at least one of the heating plate 3 and the protection plate 5 .
  • the size of the heating plate 3 is greater than or equal to the size of the battery pack 4
  • the size of the protection plate 5 is greater than or equal to the size of the battery pack 4 .
  • a heating plate in order to fully dissipate heat from the battery pack 4, can also be provided between the box 41 of the battery pack 4 and the charging base 1, and the heating plate can be in contact with the battery box through thermal gel or a thermal pad.
  • the protection plate 5, the heating plate 3, and the cold plate 2 can exist at the same time, and can be installed on one side or both sides of the battery pack 4, or can be selectively installed, which is not limited in this application.
  • the cold plate 2, the heating plate 3, and the protection plate 5 can be arranged on one side of the charging base 1 where the battery pack 4 is located, or on the other side of the battery pack 4 opposite to the charging base 1 , the heating plate 3 can also be set on one side of the battery pack 4, and the protective plate 5 can be set on one side, and the heating plate 3 can also be set on both sides of the battery pack 4 as shown in FIG. 5 .
  • a protective plate is provided on one side of the battery pack to prevent damage to the battery pack when the battery pack is installed on the vehicle or encounters irritants or faulty objects during driving, so as to protect the battery pack.
  • the battery pack 4 can be heated by using the existing cold plate 2 to realize liquid heat, and the heating plate 3 can also be heated through a heat-conducting gel, heat-conducting pad or other high-temperature-resistant heat-conducting interface
  • the material realizes the heating of the battery pack 4, and the heating of the battery pack 4 can also be realized by replacing the heating plate 3 with other materials such as a heating film, a direct heating plate, or PTC.
  • the size of the charging base 1 is greater than or equal to the size of the battery pack 4 .
  • the size of the cold plate 2 in the embodiment of the present application is greater than or equal to the size of the battery pack 4, so that the battery pack 4 can be fully cooled, and the charging and heat dissipation of the battery pack 4 of different sizes can also be realized.
  • the cold plate 2 can be installed on the charging base 1 , and the distance from the cold plate 2 to the edge of the charging base 1 is greater than or equal to 2 mm, so that sufficient cooling and heat dissipation of the rechargeable battery pack 4 can be achieved.
  • the battery unit includes at least one battery cell assembly 42, and each battery cell assembly 42 includes at least one pole cell string.
  • the pole core string adopted in the embodiment of the present application omits the existing fixing structure of the battery module such as the battery case, the end plate, the side plate, and fasteners, thereby improving the space utilization rate of the battery pack 4 and reducing the battery pack 4. 4 to increase the energy density of the battery pack 4.
  • the battery pack 4 in the embodiment of the present application has a simple structure, which can be used to reduce the production cost.
  • the box body 41 includes a box body, and the box body includes a top plate and a bottom plate 43 oppositely arranged along a first direction, the first direction being the height direction of the box body 41, and multiple Each structural beam connects the top plate and the bottom plate 43 , and the multiple structural beams divide the inside of the box 41 into multiple accommodation chambers, and each accommodation chamber is used to accommodate a cell assembly 42 .
  • an "I"-shaped structure can be formed among the structural beams, the top plate and the bottom plate 43. This structure has high lightness and rigidity, so that it can meet the load-bearing and impact-resistant requirements of the box body 41 of the battery pack. And performance requirements such as anti-extrusion.
  • the single module of the box body 41 of the battery pack can be designed as a "mouth"-shaped groove structure to form a cavity for placing the cell assembly 42 .
  • the single module of the box 41 of the battery pack is integrally extruded from aluminum profiles, and a number of structural beams are designed inside to form a "mouth"-shaped groove cavity.
  • the number of cavities can be adjusted according to the design requirements of the cell assembly 42 in the battery pack.
  • Such a design can save the structure of the battery pack 4 such as trays and side panels, and directly divide the box body 41 .
  • the structure of the box body 41 is a square cavity, and the heat transfer paths from each cavity to the cooling structure are basically the same, so that the cooling structure can evenly transfer heat to all the cells in the battery pack 4 .
  • the box body is integrally formed, or the box body and the structural beam are integrally formed.
  • One-piece molding can ensure the uniformity of heat dissipation and heating of the battery pack, that is, the heat of the battery can be quickly and evenly introduced or exported through the metal structure.
  • the wall thickness of the box body 41 is greater than or equal to 2 mm, and the box body 41 is made of metal.
  • the box body 41 may be made of aluminum.
  • the wall thickness of the box can ensure the structural strength, and on the other hand, it can also play the role of temperature uniformity.
  • the size of the charging base 1 can be greater than the size of a plurality of battery packs 4, and an electrical connection interface and a plurality of cooling structures matching the charging of a plurality of battery packs 4 can be arranged in series or in parallel on the charging base 1 to realize a charging base.
  • the seat 1 can charge multiple battery packs 4 at the same time.
  • the charging base 1 itself can be connected in series or in parallel, and the charging base 1 corresponds to the battery pack 4 one by one, for example, five charging bases 1 are connected in series in FIG. Space for charging station.
  • the embodiment of the present application provides a charging device 10, the charging device 10 is suitable for charging the charging pack, the charging device 10 includes a charging base 1, the charging base 1 is set at a charging station, and the charging base 1 is provided with a 4. A charging interface for charging.
  • the charging interface is suitable for electrical connection with the battery pack 4, so that when the battery pack 4 is placed on the charging base 1, the battery pack 4 can be charged through the charging interface.
  • the charging base 1 in the charging device 10 in the embodiment of the present application may be the charging base 1 in the battery pack charging system of the aforementioned embodiment.
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as “first” and “second” may explicitly or implicitly include one or more of these features.
  • “plurality” means two or more, unless otherwise specifically defined.
  • a first feature being "on” or “under” a second feature may mean that the first and second features are in direct contact, or that the first and second features are indirect through an intermediary. touch.
  • “above”, “above” and “above” the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • “Below”, “beneath” and “beneath” the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

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  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

一种电池包(4)充电系统，包括充电基座(1)和冷却结构，充电基座(1)设置在充电站，充电基座(1)适于与电池包(4)电连接，以使得电池包(4)置于充电基座(1)时对电池包(4)进行充电，冷却结构设置在充电基座(1)上，通过在充电站设置可承载电池包(4)的充电基座(1)并对电池包(4)进行充电的充电装置和充电系统，以实现对电池包(4)进行充电，无需车辆长时间等待，同时满足充电系统的加热和散热需求。

Description

电池包充电系统和充电装置
相关申请的交叉引用
本申请要求比亚迪股份有限公司于2021年07月30日提交的、名称为“电池包充电系统和充电装置”的、中国专利申请号“202110872964.5”的优先权。
技术领域
本申请涉及电池技术领域，尤其涉及一种电池包充电系统和充电装置。
背景技术
随着社会的发展，为了节约能源和减少环境有害物的排放，越来越多的燃油车/汽油车被电动车辆所替代，电动车的数量不断增加。目前，新能源电动车大多采用固定的充电桩进行充电。现有充电桩充电可以是交流充电，也可以是直流充电，但不管采用哪种方式，充电车辆都需要等待充电完成后，方可驾驶车辆。当车辆需要快充时，电动车需要采用散热功率更大的冷却系统，一方面增加了整车的成本，占用了整车的空间，另一方面电池系统的散热结构也变得更加复杂，在低温时，为了满足电动车的快充需求，需要增大更多的电功率来满足电池系统的升温速率，造成了电动车的能耗加大，续航里程降低的风险。
发明内容
本申请旨在至少在一定程度上解决相关技术中的技术问题之一。
为此，本申请提出一种电池包充电系统，所述电池包充电系统可以以实现对电池包进行充电时无需车辆长时间等待。
本申请进一步地提出了一种充电装置。
根据本申请的电池包充电系统包括：充电基座，所述充电基座设置在充电站，所述充电基座适于与所述电池包电连接，以使得所述电池包置于所述充电基座时对所述电池包进行充电；冷却结构，所述冷却结构设置在所述充电基座上，所述冷却结构用于对所述电池包进行冷却。
本申请实施例中的电池包充电系统，将电池包与车辆分离，通过在充电站设置可承载电池包的充电基座并对电池包进行充电的充电装置和充电系统，以实现对电池包进行充电，无需车辆长时间等待，车辆在电池包充电时也可自由驾驶。进一步，当电池系统需要快充时，充电基座通过控制冷却系统的散热功率，快速的满足电池系统快充散热的需求；同样在低温时，通过提供较大的加热功率，满足电池系统的加热升温需求。
根据本申请的充电装置，所述充电装置适于对充电包进行充电，所述充电装置包括充电基座，所述充电基座设置在充电站，且所述充电基座设置有对所述电池包进行充电的充电接口，所述充电接口适于与所述电池包电连接，以使得所述电池包置于所述充电基座时通过所述充电接口对所述电池包进行充电。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
图1是本申请一实施例提供的电池包充电系统的结构示意图。
图2是本申请再一实施例提供的电池包充电系统的结构示意图。
图3是本申请另一实施例提供的电池包充电系统中电池包冷板、加热板的布置方式的结构示意图。
图4是本申请另一实施例提供的电池包充电系统的结构示意图。
图5是本申请另一实施例提供的电池包充电系统中电池包冷板、加热板的布置方式的结构示意图。
图6是本申请一个实施例的电池包的结构示意图；
图7是本申请一个实施例提供的充电装置的示意图。
具体实施方式
下面详细描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本申请，而不能理解为对本申请的限制。
下面结合附图详细说明本申请的电池包充电系统。本申请实施例提供的电池包充电系统包括电池包4、充电基座1和冷却结构。其中，电池包4包括箱体41和电池单元，电池单元置于箱体41内。充电基座1设置在充电站，充电基座1适于与电池包4电连接，以使得电池包4置于充电基座1时对电池包4进行充电。冷却结构设置在充电基座1上，冷却结构用于对电池包4进行冷却。
本申请实施例中的电池包充电系统，将电池包4与车辆分离，通过在充电站设置可承载电池包4的充电基座1并对电池包4进行充电的充电装置和充电系统，以实现对电池包4进行充电，无需车辆长时间等待，车辆在电池包4充电时也可自由驾驶，同时通过设置冷却结构使得电池包4散热，以保证充电安全。
本申请实施例中的冷却结构可以直接安装在充电基座上，冷却结构通过导热胶或者导热 垫与箱体连接，进而对电池箱体进行冷却或者加热。充电基座上也可直接成型成流道板，通过结构密封胶与电池箱体的平板连接，形成流道腔体，进而对电池系统进行冷却或者加热。例如，在充电基座1上设置冷却流道的凹槽21。
当充电基座设置在充电站，并且流道板设置在充电基座上时，在电池包的充电过程中，冷却系统将同时作用在电池包上，以对电池包进行冷却，即电池包上未设置冷却系统或者电池包为单面冷却。
具体的，可以在充电基座1表面冲压形成凹槽21。电池包4的底部可以为平板或设置有凸起，这样，电池包4的底部可以与凹槽21配合形成流道，以实现通过流道对电池包4进行加热或冷却的目的。
另外，充电基座1也可以是与冷却结构分开设置。例如，电池包充电系统还包括冷板2，冷板2包括冷却结构，冷板2与充电基座1连接。此时，冷板2上可以设置冷却流道。例如，冷却结构包括凸起，电池包4的底部为平板，这样，电池包4的底部与凸起配合形成流道，以实现通过流道对电池包4进行加热或冷却的目的。
其中，冷却系统可以包括两种布置形式。其一是冷却系统为一种后装的结构，由一个电池包4、一个冷板2及一个充电基座1共同配合形成；其二是电池包4上的结构板采用的冷却板(包括冲压基板和流道基板)中的其中一个基板，另一个基板设置在充电基座1处，通过两个基板(即冲压基板和流道基板)的配合形成流道。
本申请实施例中的冷却结构可以是与充电基座1一体成型，也可以是分开设置，本申请对此不做限制，只需要满足冷却结构的设置可以对电池包4进行冷却即可。冷却结构与充电基座1一体成型时，冷却结构设置在充电站，电池包4本身可以不具有冷却结构，电池包4在车辆上的散热可以通过电池包4具体的结构设计进行冷却散热。冷却结构与充电基座1分开设置时，冷却结构还可以是安装在车辆上的电池包4的一部分，也可以是安装在充电基座1上的冷板2的一部分。本申请实施例中的冷却结构的设置不做限制，能够达到冷却目的的设计均在本申请的保护范围内，例如，冷却结构可以是通过凹槽21或凸起设计形成即可。
本申请实施例中充电基座1上的冷却结构可以为液冷、直冷或半导体制冷等系统，冷却功率以及换热能力可根据需要进行变换，从而满足电池包4箱体41不同的散热需求。例如，可以通过调节进出水口的流量或者改变冷板2的拼接数量从而改变电池包4的换热面积。
为了实现充电基座1与电池包4更好的固定，可以在电池包4和充电基座1上设置相互配合的安装部，如设置螺纹孔进行螺钉固定连接。本申请实施例的电池包4箱体41上可以不设置冷却板，电池包4需要充电时，可以从车辆上拆卸后放置于充电基座1或安装于充电基座1上，启动充电及冷却，在对电池包4充电的同时实现冷却。
本申请实施例中的电池包充电系统不仅可以包括冷却结构，还可以包括对电池包4进行加热或保护的加热或保护结构，例如，加热板3或保护板5。具体的，加热板3、保护板5可以是与电池包4一体成型，也可以是分开设计实现固定连接。例如，电池包充电系统还包括加热板3和保护板5中的至少一个。为了对电池包4进行充分加热或保护，可以设置如下：加热板3的尺寸大于或等于电池包4的尺寸，保护板5的尺寸大于或等于电池包4的尺寸。
本申请实施例中，为了电池包4充分散热，还可以在电池包4的箱体41与充电基座1之间设置加热板，加热板可以通过热凝胶、导热垫与电池箱体接触。保护板5、加热板3、冷板2可以同时存在，设置在电池包4的一侧或两侧，也可以选择性的设置，本申请对此不做限制。如图3所示冷板2、加热板3、保护板5可以设置在电池包4所在的充电基座1的一侧，也可以设置在与充电基座1相反的电池包4的另一侧，还可以在电池包4的一侧设置加热板3，一侧设置保护板5，还可以如图5所示在电池包4的两侧都设置加热板3等。
在电池包一侧设置保护板，可以防止电池包安装在车辆上时，行驶过程中遇到刺激物或故障物等时对电池包造成损伤，以保护电池包。
对于电池包4有加热需求的工况，可以借助现有的冷板2实现液热的方式对电池包4进行加热，加热板3还可以通过导热凝胶、导热垫或其他耐高温的导热界面材料实现对电池包4的加热，也可以通过将加热板3换成加热膜、直热板、或PTC等其他的材料实现对电池包4的加热。
为了实现有效充电，充电基座1的尺寸大于或者等于电池包4的尺寸。
本申请实施例中的冷板2的尺寸大于或者等于电池包4的尺寸，这样可以实现电池包4的充分冷却，也能满足实现不同尺寸的电池包4的充电和散热。冷板2可以安装在充电基座1上，冷板2到充电基座1边缘距离大于或等于2mm，这样可以实现对充电电池包4的充分冷却散热。
本申请一个实施例中，电池单元包括至少一个电芯组件42，每个电芯组件42包括至少一个极芯串。本申请实施例采用的极芯串，省去了现有的电池外壳和端板、侧板、紧固件等电池模组的固定结构，从而可以提高电池包4的空间利用率，减轻电池包4的重量，提高电池包4的能量密度。本申请实施例中的电池包4结构简单，有利用降低生产成本。
本申请的一个实施例中，箱体41包括箱本体，箱本体包括沿第一方向相对设置的顶板和底板43，第一方向为箱体41的高度方向，顶板与底板43之间设置有多个结构梁，每个结构梁连接顶板和底板43，多个结构梁将所述箱体41内部分割为多个容纳腔，每个容纳腔用于容纳一个电芯组件42。如此设计，可以使得结构梁、顶板和底板43三者之间构成“工”字型结构，这种结构具有较高的轻度和刚度，从而可以满足电池包的箱体41的承重、抗撞 击以及抗挤压等性能的要求。
电池包的箱体41单模块可以设计为“口”字形槽结构，形成电芯组件42放置型腔。电池包的箱体41单模块采用铝型材一体式挤压成型，内部设计若干结构梁，以形成“口”字形槽型腔，型腔数量可根据电池包中电芯组件42设计要求相应调整。这样设计，可以省电池包4的托盘及侧板等结构，直接将箱体41进行分割。箱体41的结构为口字型腔，各个型腔到冷却结构的传热路径基本一致，从而可以使得冷却结构对整个电池包4的所有电芯的换热能力都均匀。
本申请的一个实施例中，箱本体一体成型，或者，箱本体与结构梁一体成型。一体成型可以保证电池包散热与加热的均一性，即，通过金属结构将电池热量快速均匀的导入或者导出。
本申请的一个实施例中，箱体41壁厚大于或等于2mm，箱体41为金属材质。例如，箱体41可以为铝材质。箱体壁厚一方面可以保证结构强度，另一方面还可以起到均温的作用。
充电基座1的大小可以大于多个电池包4的大小，充电基座1上可以串联或并联设置与多个电池包4充电相匹配的电连接接口和多个冷却结构，以实现一个充电基座1可以同时对多个电池包4进行充电。或者说，充电基座1本身可以采用串联或并联的方式，充电基座1与电池包4一一对应，例如图4中5个充电基座1串联的方式，这样设计充电基座1可以节省充电站的空间。
本申请实施例提供一种充电装置10，充电装置10适于对充电包进行充电，充电装置10包括充电基座1，充电基座1设置在充电站，且充电基座1设置有对电池包4进行充电的充电接口，充电接口适于与电池包4电连接，以使得电池包4置于充电基座1时通过充电接口对电池包4进行充电。本申请实施例中的充电装置10中的充电基座1可以是前述实施例电池包充电系统中的充电基座1，充电基座1的具体方案参照前述描述，在此不再一一赘述。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，“多个”的含义是两个以上，除非另有明确具体的限定。
在本申请中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本申请的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本申请的限制，本领域的普通技术人员在本申请的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (15)

  1. 一种电池包充电系统，其特征在于，所述电池包充电系统包括：
    充电基座，所述充电基座设置在充电站，所述充电基座适于与电池包电连接，以使得所述电池包置于所述充电基座时对所述电池包进行充电；
    冷却结构，所述冷却结构设置在所述充电基座上，所述冷却结构用于对所述电池包进行冷却。
  2. 根据权利要求1所述的电池包充电系统，其特征在于，所述充电基座与所述冷却结构一体成型。
  3. 根据权利要求1所述的电池包充电系统，其特征在于，所述电池包充电系统还包括：
    冷板，所述冷板与所述充电基座连接，所述冷板包括所述冷却结构。
  4. 根据权利要求2或3所述的电池包充电系统，其特征在于，所述冷板的尺寸适于大于或者等于所述电池包的尺寸。
  5. 根据权利要求1-4中任一项所述的电池包充电系统，其特征在于，所述冷却结构包括凹槽，所述电池包的底部为平板或设置有凸起，所述电池包的底部适于与所述凹槽配合形成流道。
  6. 根据权利要求1-5中任一项所述的电池包充电系统，其特征在于，所述冷却结构包括凸起，所述电池包的底部为平板，所述电池包的底部适于与所述凸起配合形成流道。
  7. 根据权利要求1-6中任一项所述的电池包充电系统，其特征在于，所述电池包充电系统还包括加热板和保护板中的至少一个，所述加热板的尺寸适于大于或等于所述电池包的尺寸，所述保护板的尺寸适于大于或等于所述电池包的尺寸。
  8. 根据权利要求7所述的电池包充电系统，其特征在于，所述加热板为导加热膜、直热板中的至少一种。
  9. 根据权利要求1-8中任一项所述的电池包充电系统，其特征在于，所述充电基座的尺寸适于大于或者等于所述电池包的尺寸。
  10. 根据权利要求1-9中任一项所述的电池包充电系统，其特征在于，所述电池包充电系统还包括电池包，所述电池包包括箱体和电池单元，所述电池单元置于所述箱体内。
  11. 根据权利要求10所述的电池包充电系统，其特征在于，所述电池单元包括至少一个电芯组件，每个电芯组件包括至少一个极芯串。
  12. 根据权利要求10或11所述的电池包充电系统，其特征在于，所述箱体包括箱本体，所述箱本体包括沿第一方向相对设置的顶板和底板，所述第一方向为箱体的高度方向，所述顶板与所述底板之间设置有多个结构梁，每个结构梁连接所述顶板和所述底板，所述多 个结构梁将所述箱体内部分割为多个容纳腔，每个容纳腔用于容纳一个电芯组件。
  13. 根据权利要求12所述的电池包充电系统，其特征在于，所述箱本体为一体成型件，或者，所述箱本体与所述结构梁一体成型。
  14. 根据权利要求10-13中任一项所述的电池包充电系统，其特征在于，所述箱体的壁厚大于或等于2mm，所述箱体为金属材质。
  15. 一种充电装置，其特征在于，所述充电装置适于对电池包进行充电，所述充电装置包括充电基座，所述充电基座设置在充电站，且所述充电基座设置有对所述电池包进行充电的充电接口，所述充电接口适于与所述电池包电连接，以使得所述电池包置于所述充电基座时通过所述充电接口对所述电池包进行充电。
PCT/CN2022/109121 2021-07-30 2022-07-29 电池包充电系统和充电装置 WO2023006094A1 (zh)

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