WO2025001041A1 - 电池高压盒、电池包及车辆 - Google Patents

电池高压盒、电池包及车辆 Download PDF

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Publication number
WO2025001041A1
WO2025001041A1 PCT/CN2024/070639 CN2024070639W WO2025001041A1 WO 2025001041 A1 WO2025001041 A1 WO 2025001041A1 CN 2024070639 W CN2024070639 W CN 2024070639W WO 2025001041 A1 WO2025001041 A1 WO 2025001041A1
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WO
WIPO (PCT)
Prior art keywords
charging
switch module
positive
interface
negative
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2024/070639
Other languages
English (en)
French (fr)
Inventor
吴凯
杨正兴
刘斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Contemporary Amperex Technology Co Ltd
Original Assignee
Contemporary Amperex Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Contemporary Amperex Technology Co Ltd filed Critical Contemporary Amperex Technology Co Ltd
Priority to EP24829704.6A priority Critical patent/EP4737187A1/en
Publication of WO2025001041A1 publication Critical patent/WO2025001041A1/zh
Priority to US19/431,645 priority patent/US20260116221A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • 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
    • 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • 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
    • B60L53/10—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 characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • 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
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical 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
    • H01M10/42—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
    • 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
    • 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
    • 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

Definitions

  • the present application relates to the field of battery replacement technology, and specifically to a battery high-voltage box, a battery pack and a vehicle.
  • the battery system is generally integrated in the battery pack, but different OEMs have different all-in-one architectures for the whole vehicle, and the requirements for battery packs are inconsistent, resulting in the battery pack being incompatible with vehicles from different OEMs.
  • the present application proposes a battery high-voltage box, a battery pack and a vehicle, aiming to solve the technical problem that the battery pack is not compatible with complete vehicles of different OEMs.
  • an embodiment of the present application provides a battery high-voltage box for connecting the battery to an external load, wherein the battery high-voltage box includes a battery positive interface, a battery negative interface, a power transmission main circuit, a controlled switch module, and a pre-charging circuit;
  • the power transmission main circuit is connected to the positive interface of the battery and the negative interface of the battery respectively, the controlled switch module is arranged on the power transmission main circuit, and the pre-charging circuit is connected in parallel with the controlled switch module;
  • the pre-charging circuit is used to pre-charge the external load when it is turned on.
  • This embodiment proposes a battery high-voltage box for connecting a battery to an external load.
  • the battery high-voltage box includes a battery positive interface, a battery negative interface, a power transmission main circuit, a controlled switch module and a pre-charging circuit.
  • the pre-charging circuit is used to pre-charge the external load when it is turned on.
  • the battery high voltage box further includes a main circuit positive interface for connecting to the positive pole of an external load connector and a main circuit negative interface for connecting to the negative pole of the external load connector.
  • the battery high-voltage box in this embodiment includes a main circuit positive interface for connecting to the positive pole of the external load connector and a main circuit negative interface for connecting to the negative pole of the external load connector. It can be connected to the external load through the main circuit positive interface and the main circuit negative interface, so that the external load can be pre-charged when the pre-charging circuit is turned on. It can be suitable for complete vehicles of different OEMs, thereby improving the compatibility of the battery high-voltage box.
  • the controlled switch module includes a main positive controlled switch module and/or a main negative controlled switch module, the main positive controlled switch module is respectively connected to the battery positive interface and the main circuit positive interface, and the main negative controlled switch module is respectively connected to the battery negative interface and the main circuit negative interface.
  • the controlled switch modules in this embodiment include a main positive controlled switch module and/or a main negative controlled switch module.
  • the main positive controlled switch module is respectively connected to the positive interface of the battery and the positive interface of the main circuit
  • the main negative controlled switch module is respectively connected to the negative interface of the battery and the negative interface of the main circuit.
  • the pre-charging circuit is connected in parallel with the controlled switch module, including the pre-charging circuit is connected in parallel with the main positive controlled switch module or the pre-charging circuit is connected in parallel with the main positive controlled switch module.
  • the pre-charging circuit in this embodiment is connected in parallel with the main load controlled switch module or the pre-charging circuit is connected in parallel with the main load controlled switch module.
  • the main power transmission circuit can be turned on to pre-charge the external load, thereby improving the safety of high-voltage power-on on the whole vehicle.
  • the battery high voltage box also includes a charging interface for connecting to a charging socket.
  • the battery high-voltage box in this embodiment also includes a charging interface for connecting to a charging socket, which can connect the charging circuit to charge the battery pack when the battery needs to be supplemented with electric energy, thereby meeting temporary power needs.
  • the battery high voltage box further includes a charging positive switch module and a charging negative switch module, and the charging interface includes a charging positive interface and a charging negative interface;
  • the charging positive interface is connected to the charging positive switch module, the charging positive switch module is connected to the battery positive interface, the charging negative interface is connected to the charging negative switch module, and the charging negative switch module is connected to the battery negative interface;
  • the charging positive switch module is used to connect the charging positive interface with the battery positive interface during charging of the battery pack;
  • the charging negative switch module is used to connect the charging negative interface with the battery negative interface during charging of the battery pack.
  • the battery high-voltage box includes a charging positive switch module and a charging negative switch module
  • the charging interface includes a charging positive interface and a charging negative interface.
  • the charging positive interface is connected to the charging positive controlled switch module, and the charging positive controlled switch module is connected to the battery positive interface.
  • the charging negative interface is connected to the charging negative controlled switch module, and the charging negative controlled switch module is connected to the battery negative interface.
  • the charging positive controlled switch module and the charging negative controlled switch module can turn on the charging circuit to charge the battery when the battery needs to replenish electrical energy, thereby meeting temporary power needs.
  • the battery high voltage box further includes a manual maintenance switch, a first end of the manual maintenance switch is connected to the battery positive interface, and a second end of the manual maintenance switch is connected to the first end of the charging positive switch module.
  • the battery high-voltage box in this embodiment also includes a manual maintenance switch, a first end of the manual maintenance switch is connected to the battery positive interface, and a second end of the manual maintenance switch is connected to the first end of the charging controlled switch module.
  • a charging failure occurs, the power supply of the high-voltage system can be disconnected through the manual maintenance switch, thereby improving the charging safety of the vehicle.
  • the battery high voltage box further comprises a main circuit positive interface and a main circuit negative interface
  • the main circuit positive interface is used to connect to the positive pole of the external load connector
  • the main circuit negative interface is used to connect to the negative pole of the external load connector
  • the controlled switch module comprises a main positive controlled switch module
  • the first end of the main positive controlled switch module is connected to the battery positive interface, and the second end of the main positive controlled switch module is connected to the main circuit positive interface.
  • the battery high-voltage box in this embodiment includes a main circuit positive interface and a main circuit negative interface
  • the controlled switch module includes a main positive controlled switch module.
  • the first end of the main positive controlled switch module is connected to the battery positive interface
  • the second end of the main positive controlled switch module is connected to the main circuit positive interface. It can pre-charge the external load when the pre-charging circuit is turned on, thereby matching the vehicle end with and without the pre-charging circuit, and achieving compatibility with vehicles from different OEMs.
  • the pre-charging circuit is arranged in the main positive circuit in the power transmission main circuit, the first end of the pre-charging circuit is connected to the first end of the main positive controlled switch module, and the second end of the pre-charging circuit is connected to the second end of the main positive controlled switch module.
  • the first end of the pre-charge loop is connected to the first end of the main positive controlled switch module, and the second end of the pre-charge loop is connected to the second end of the main positive controlled switch module. It is able to pre-charge the external load when the pre-charge is turned on, thereby matching the vehicle end with and without the pre-charge circuit, achieving compatibility with vehicles from different OEMs.
  • the battery high voltage box further comprises a main circuit positive interface and a main circuit negative interface
  • the main circuit positive interface is used to connect to the positive pole of the external load connector
  • the main circuit negative interface is used to connect to the negative pole of the external load connector
  • the controlled switch module comprises a main-negative controlled switch module
  • the first end of the main negative controlled switch module is connected to the battery negative interface, and the second end of the main negative controlled switch module is connected to the main circuit negative interface.
  • the battery high-voltage box in this embodiment includes a main circuit positive interface and a main circuit negative interface, and the controlled switch module includes a main negative controlled switch module.
  • the main negative controlled switch module is arranged in the main negative circuit, and can pre-charge the external load through the pre-charging circuit in parallel with the main negative controlled switch module in the battery high-voltage box, thereby matching the vehicle end with and without the pre-charging circuit, thereby achieving compatibility with vehicles from different OEMs.
  • the pre-charging circuit is arranged in the main negative circuit in the main power transmission circuit, the first end of the pre-charging circuit is connected to the first end of the main negative controlled switch module, and the second end of the pre-charging circuit is connected to the second end of the main negative controlled switch module.
  • the pre-charging circuit in this embodiment is arranged in the main negative circuit, and the pre-charging circuit is connected in parallel with the main negative controlled switch module.
  • the external load can be pre-charged through the pre-charging circuit in the battery high-voltage box which is connected in parallel with the main negative controlled switch module, thereby matching the vehicle end with and without the pre-charging circuit, and realizing compatibility with vehicles of different OEMs.
  • the battery high-voltage box further includes a main circuit positive interface and a main circuit negative interface
  • the controlled switch module includes a main positive controlled switch module and a main negative controlled switch module
  • the main circuit positive interface is used to connect to the positive pole of the external load connector
  • the main circuit negative interface is used to connect to the negative pole of the external load connector
  • the first end of the main positive controlled switch module is connected to the positive interface of the battery, the second end of the main positive controlled switch module is connected to the positive interface of the main circuit, the first end of the main negative controlled switch module is connected to the negative interface of the battery, and the second end of the main negative controlled switch module is connected to the negative interface of the main circuit.
  • the controlled switch modules in this embodiment include a main positive controlled switch module and a main negative controlled switch module.
  • the main power transmission circuit can be cut off by the other controlled switch module, thereby improving the safety of the vehicle.
  • the pre-charging circuit is arranged in the main positive circuit in the power transmission main circuit, the first end of the pre-charging circuit is connected to the first end of the main positive controlled switch module, and the second end of the pre-charging circuit is connected to the second end of the main positive controlled switch module, or the pre-charging circuit is arranged in the main negative circuit in the power transmission main circuit, the first end of the pre-charging circuit is connected to the first end of the main negative controlled switch module, and the second end of the pre-charging circuit is connected to the second end of the main negative controlled switch module.
  • the pre-charging circuit in this embodiment is set in the main positive circuit in the main power transmission circuit, or is set in the main negative circuit in the main power transmission circuit, which can pre-charge the external load when the pre-charging circuit is turned on, thereby improving the safety of high-voltage power-on on the vehicle end.
  • the pre-charge circuit includes a pre-charge switch module and a pre-charge resistor
  • the first end of the pre-charging switch module is connected to the first end of the main positive controlled switch module
  • the second end of the pre-charging switch module is connected to the first end of the pre-charging resistor
  • the second end of the pre-charging resistor is connected to the second end of the main positive controlled switch module
  • the first end of the pre-charging switch module is connected to the first end of the main negative controlled switch module
  • the second end of the pre-charging switch module is connected to the first end of the pre-charging resistor
  • the second end of the pre-charging resistor is connected to the second end of the main negative controlled switch module.
  • the pre-charging circuit in this embodiment is connected in parallel with the main load controlled switch module or the pre-charging circuit is connected in parallel with the main load controlled switch module.
  • the main power transmission circuit can be turned on to pre-charge the external load, thereby improving the safety of high-voltage power-on on the vehicle end.
  • the battery high voltage box further includes a charging positive switch module and a charging negative switch module, and the charging interface includes a charging positive interface and a charging negative interface;
  • the first end of the charging positive switch module is connected to the battery positive interface, the second end of the charging positive switch module is connected to the charging positive interface, the first end of the charging negative switch module is connected to the battery negative interface, and the second end of the charging negative switch module is connected to the charging negative interface;
  • the charging positive switch module is used to connect the charging positive interface with the battery positive interface during charging of the battery pack;
  • the charging negative switch module is used to connect the charging negative interface with the battery negative interface during charging of the battery pack.
  • the battery high-voltage box includes a positive charging interface, a negative charging interface, a positive charging switch module and a negative charging switch module.
  • the positive charging interface is connected to the positive charging switch module
  • the positive charging switch module is connected to the positive battery interface
  • the negative charging interface is connected to the negative charging switch module
  • the negative charging switch module is connected to the negative battery interface.
  • an embodiment of the present application further proposes a battery pack, which includes a battery high voltage box as described in any one of the above items.
  • the battery pack further comprises a battery pack and an external load connector
  • the positive pole of the battery pack is connected to the positive interface of the battery
  • the negative pole of the battery pack is connected to the negative interface of the battery
  • the positive pole of the external load connector is connected to the positive interface of the main circuit
  • the negative pole of the external load connector is connected to the negative interface of the main circuit
  • the external load connector is used to supply power to the external load when the battery pack is at the vehicle end; when the battery pack is at the battery swap station, it transmits the electric energy input from the battery swap station to charge the battery pack.
  • the battery pack in this embodiment includes a battery pack and an external load connector.
  • the positive pole of the battery pack is connected to the positive interface of the battery
  • the negative pole of the battery pack is connected to the negative interface of the battery
  • the positive pole of the external load connector is connected to the positive interface of the main circuit
  • the negative pole of the external load connector is connected to the negative interface of the main circuit.
  • the external load connector is used to supply power to the external load when the battery pack is at the vehicle end; when the battery pack is at the battery swap station, the electric energy input from the battery swap station is transmitted to charge the battery pack;
  • the external load connector can be used as both a discharge interface and a charging interface, realizing the same charging and discharging interface, and reducing the hardware cost of the battery pack.
  • the battery pack further comprises a charging socket, wherein the positive electrode of the charging socket is connected to the positive charging interface, and the negative electrode of the charging socket is connected to the negative charging interface;
  • the charging socket is used to transmit the electric energy input by the charging gun to charge the battery pack.
  • the battery pack also includes a charging socket, the positive pole of the charging socket is connected to the positive charging interface, and the negative pole of the charging socket is connected to the negative charging interface.
  • the charging socket is arranged on the shell of the battery pack, and there is no need to establish a connection with the base of the vehicle end through a separate external load connector, thereby reducing the number of external load connectors used and reducing hardware costs.
  • the battery pack further comprises a housing, and the battery high voltage box is disposed in the housing;
  • the external load connector and the charging socket are both arranged on the shell.
  • the external load connector and the charging socket are arranged on the housing, which can reduce the number of external load connectors used and reduce the hardware cost.
  • an embodiment of the present application further proposes a vehicle, comprising a battery pack as described in any one of the above items.
  • FIG1 is a functional module diagram of an embodiment of a battery high voltage box of the present application.
  • FIG2 is a schematic diagram of the functional modules of an embodiment of a battery high voltage box of the present application.
  • FIG. 3 is a schematic diagram of a pre-charging circuit and a main positive controlled switch module, or a pre-charging circuit and a main negative controlled switch module in parallel in an embodiment of a battery high voltage box of the present application;
  • FIG4 is a schematic diagram of a pre-charging circuit and a main positive controlled switch module in parallel in an embodiment of a battery high voltage box of the present application;
  • FIG5 is a schematic diagram of a pre-charging circuit and a main load controlled switch module in parallel in an embodiment of a battery high voltage box of the present application;
  • FIG6 is a connection diagram of a pre-charging circuit in an embodiment of a battery high voltage box of the present application.
  • FIG7 is a functional module diagram of another embodiment of the battery high voltage box of the present application.
  • FIG8 is a schematic diagram of the circuit structure of a battery high voltage box in an embodiment of the battery high voltage box of the present application.
  • FIG9 is a schematic diagram of another circuit structure of a battery high voltage box in an embodiment of the battery high voltage box of the present application.
  • FIG10 is a simplified schematic diagram of the structure of a battery high voltage box without pre-charging at the vehicle end in an embodiment of the present application;
  • FIG11 is a simplified schematic diagram of the structure of the vehicle-side pre-charger in an embodiment of the battery high-voltage box of the present application.
  • FIG12 is a functional module diagram of an embodiment of a battery pack of the present application.
  • FIG13 is a functional module diagram of another embodiment of the battery pack of the present application.
  • FIG14 is a schematic diagram showing a battery pack in accordance with an embodiment of the present application that is connected to a vehicle via a vehicle-mounted base;
  • FIG. 15 is a schematic diagram of a battery pack in one embodiment of the present application, in which a battery pack is connected to a battery swap station charger via a battery swap station base.
  • the term "and/or" is only a description of the association relationship of the associated objects, indicating that there may be three relationships.
  • a and/or B can represent: A exists alone, A and B exist at the same time, and B exists alone.
  • the character "/" in this article generally indicates that the associated objects before and after are in an "or" relationship.
  • multiple refers to more than two (including two).
  • multiple groups refers to more than two groups (including two groups), and “multiple pieces” refers to more than two pieces (including two pieces).
  • the present application provides a battery high voltage box for connecting a battery to an external load.
  • the battery high voltage box includes a battery Positive interface A1, battery negative interface A2, power transmission main circuit Z, controlled switch module 10 and pre-charging circuit 20.
  • the power transmission main circuit Z is connected to the battery positive interface A1 and the battery negative interface A2 respectively, the controlled switch module 10 is arranged on the power transmission main circuit, and the pre-charging circuit 20 is connected in parallel with the controlled switch module 10.
  • the pre-charging circuit 20 is used to pre-charge the external load when it is turned on.
  • the battery high-voltage box may also be referred to as a high-voltage power distribution box (PDU).
  • the battery high-voltage box may be a high-voltage power distribution unit for distributing the DC power output by the battery pack and monitoring overcurrent and overvoltage in the high-voltage system;
  • the battery positive interface A1 may be an interface connected to the positive electrode of the battery pack;
  • the battery negative interface A2 may be an interface connected to the negative electrode of the battery pack;
  • the power transmission main circuit Z may be a main circuit for power transmission;
  • the pre-charging circuit 20 may be a circuit for pre-charging the X capacitor at the vehicle end during the high-voltage power-on process at the vehicle end.
  • the controlled switch module 10 may be a switch module that switches the main power transmission circuit on or off according to a control signal output by a control unit.
  • the external load may be an external drive of the vehicle
  • the controlled switch module 10 is arranged on the main power transmission circuit Z.
  • the process of the vehicle executing high-voltage power supply may be: receiving a wake-up signal, the BMS powers on at a low voltage.
  • the BMS receives the high-voltage power supply instruction sent by the vehicle end, it controls the pre-charging circuit 20 to be turned on to pre-charge the external drive of the vehicle end.
  • the controlled switch module 10 is controlled to be closed, and then the pre-charging circuit 20 is controlled to be disconnected.
  • the controlled switch module 10 is closed, the high-voltage power supply of the battery end is completed, and the power-on completion instruction is fed back to the vehicle end.
  • the vehicle executes The process of high-voltage power supply can be: receiving the wake-up signal BMS low-voltage power supply, after receiving the high-voltage power supply command sent by the whole vehicle, BMS controls the pre-charging circuit 20 to conduct and perform a false pre-charging action.
  • the false pre-charging action can be that the pre-charging circuit 20 in the battery high-voltage box is turned on, but because the whole vehicle end has its own pre-charging, the pre-charging circuit 20 will not pre-charge the external drive of the whole vehicle end after it is turned on.
  • the real pre-charging action is performed by the pre-charging circuit of the whole vehicle end.
  • the positive controlled switch module 10 is controlled to be closed, and then the pre-charging circuit 20 is controlled to be disconnected.
  • the controlled switch module 10 is closed, the high voltage on the battery end is completed, and the power-on completion command is fed back to the whole vehicle end.
  • This embodiment proposes a battery high-voltage box for connecting a battery to an external load.
  • the battery high-voltage box includes a battery positive interface, a battery negative interface, a power transmission main circuit, a controlled switch module and a pre-charging circuit.
  • the pre-charging circuit is used to pre-charge the external load when it is turned on.
  • the external load can be pre-charged through the pre-charging circuit of the battery high-voltage box.
  • the battery high voltage box further includes a main circuit positive interface B1 for connecting to the positive electrode of the external load connector and a main circuit negative interface B2 for connecting to the negative electrode of the external load connector.
  • the external load connector may be a connector for connecting the battery high voltage box to an external load, for example, the external load connector includes a quick-change connector or other connectors with the same or similar functions.
  • the main circuit positive interface B1 may be an interface connected to the positive pole of the power supply/charging main circuit; the main circuit negative interface B2 may be an interface connected to the negative pole of the power supply/charging main circuit.
  • the battery high-voltage box in this embodiment includes a main circuit positive interface for connecting to the positive pole of the external load connector and a main circuit negative interface for connecting to the negative pole of the external load connector. It can be connected to the external load through the main circuit positive interface and the main circuit negative interface, so that the external load can be pre-charged when the pre-charging circuit is turned on. It can be suitable for complete vehicles of different OEMs, thereby improving the compatibility of the battery high-voltage box.
  • the controlled switch module 10 includes a main positive controlled switch module 101 and/or a main negative controlled switch module 102.
  • the main positive controlled switch module 101 is respectively connected to the battery positive interface A1 and the main circuit positive interface B1.
  • the main negative controlled switch module 102 is respectively connected to the battery negative interface A2 and the main circuit negative interface B2.
  • the main positive controlled switch module 101 can be a switch module that connects or disconnects the main circuit positive interface B1 and the battery positive interface A1 according to the control signal output by the control unit;
  • the main negative controlled switch module 102 can be a switch module that connects or disconnects the main circuit negative interface B1 and the battery negative interface A1 according to the control signal output by the control unit.
  • the controlled switch module 10 includes a main positive controlled switch module, and the vehicle end does not have pre-charging.
  • the wake-up signal BMS is received to power on at low voltage.
  • the BMS controls the pre-charging circuit 20 to be turned on, and the battery positive interface A1 is connected to the main circuit positive interface B1, so as to turn on the power transmission main circuit Z to pre-charge the external load at the vehicle end.
  • the main positive controlled switch module 101 is controlled to be closed, and then the pre-charging circuit 20 is controlled to be disconnected.
  • the main positive controlled switch module 101 is closed, and the high voltage power supply to the battery end is completed, and the power-on completion instruction is fed back to the vehicle end.
  • the controlled switch module 10 includes a main negative controlled switch module 20, and the vehicle end does not have pre-charging
  • the wake-up signal BMS is received to power on at low voltage
  • the BMS controls the pre-charging circuit 20 to be turned on, thereby connecting the battery negative interface A2 with the main circuit negative interface B2, so as to turn on the power transmission main circuit Z to pre-charge the external load at the vehicle end.
  • the main negative controlled switch module 102 is controlled to be closed, and then the pre-charging circuit 20 is controlled to be disconnected, the main negative controlled switch module 102 is closed, the high voltage power supply to the battery end is completed, and the power-on completion instruction is fed back to the vehicle end.
  • FIG4 is a schematic diagram of the pre-charging circuit 20 being connected in parallel with the main positive controlled switch module 101.
  • the main positive controlled switch module 101 and the main negative controlled switch module 102 are closed, the main circuit is turned on, the main circuit positive interface B1 and the main circuit negative interface B2 receive the electric energy input by the charging device, and transmit the electric energy to the battery positive interface A1 and the battery negative interface A2 through the main circuit to charge the battery pack;
  • the main positive controlled switch module 101 and/or the main negative controlled switch module 102 are closed, the main circuit is turned on, the battery pack transmits electric energy through the battery positive interface A1 and the battery negative interface A2, and the electric energy transmitted by the battery pack is output to the main circuit positive interface B1 and the main circuit negative interface through the main circuit.
  • Port B2 supplies power to the vehicle end; when the high voltage of the vehicle end is powered on, after receiving the high voltage command sent by the vehicle end, the main negative controlled switch module 102 is controlled to be closed, and then the pre-charging circuit 20 is controlled to be turned on to pre-charge the vehicle end. After the pre-charging is successful, the main positive controlled switch module 101 is controlled to be closed, and then the pre-charging circuit 20 is controlled to be disconnected. After the main positive controlled switch module 101 and the main negative controlled switch module 102 are both closed, the high voltage of the battery end is completed, and the power-on completion command is fed back to the vehicle end; as another implementation method, refer to Figure 6, Figure 6 is a schematic diagram of the pre-charging circuit 20 and the main negative controlled switch module 102 in parallel. The situation in which the pre-charging circuit 20 and the main negative controlled switch module 102 are connected in parallel is similar to the situation in which the pre-charging circuit 20 and the main positive controlled switch 101 are connected in parallel, and this embodiment will not be repeated here.
  • the controlled switch modules in this embodiment include a main positive controlled switch module and/or a main negative controlled switch module.
  • the main positive controlled switch module is respectively connected to the positive interface of the battery and the positive interface of the main circuit
  • the main negative controlled switch module is respectively connected to the negative interface of the battery and the negative interface of the main circuit.
  • the pre-charging loop 20 connected in parallel with the controlled switch module 10 includes the pre-charging loop 20 connected in parallel with the main positive controlled switch module 101 or the pre-charging loop 20 connected in parallel with the main negative controlled switch module 102 .
  • the pre-charging circuit 20 and the main positive controlled switch module 101 are connected in parallel as an example.
  • the process of the vehicle executing high-voltage power supply can be: receiving the wake-up signal BMS low-voltage power supply, after the BMS receives the high-voltage power supply instruction sent by the vehicle end, it controls the main negative controlled switch module 102 to close, and then controls the pre-charging circuit 20 to conduct for pre-charging the external load of the vehicle end.
  • the main positive controlled switch module 101 is controlled to close, and then the pre-charging circuit 20 is controlled to be disconnected, the main positive controlled switch module 101 and the main negative controlled switch module 102 are both closed, the high-voltage power supply of the battery end is completed, and the power-on completion instruction is fed back to the vehicle end; when the vehicle end is waiting to be pre-charged, the vehicle executes
  • the process of supplying high voltage electricity can be: receiving the wake-up signal BMS low voltage power-on, after receiving the high voltage supply command sent by the whole vehicle end, BMS controls the main negative controlled switch module 102 to close, and then controls the pre-charging circuit 20 to be turned on to perform a false pre-charging action.
  • the false pre-charging action can be that the pre-charging circuit 20 in the battery high voltage box is turned on, but because the whole vehicle end has its own pre-charging, the pre-charging circuit 20 will not pre-charge the external load after being turned on.
  • the real pre-charging action is performed by the whole vehicle end.
  • the main positive controlled switch module 101 is controlled to be closed, and then the pre-charging circuit 20 is controlled to be disconnected.
  • the main positive controlled switch module 101 and the main negative controlled switch module 102 are both closed, the high voltage on the battery end is completed, and the power-on completion command is fed back to the whole vehicle end.
  • the pre-charging circuit 20 includes a pre-charging switch module 201 and a pre-charging resistor R.
  • the pre-charging switch module 201 and the pre-charging resistor R are connected in series and then connected in parallel with the main positive controlled switch module 101 , or the pre-charging switch module 201 and the pre-charging resistor R are connected in series and then connected in parallel with the main negative controlled switch module 102 .
  • the pre-charging switch module 201 is used to connect the battery positive interface A1, the pre-charging resistor R and the main circuit positive interface B1 during the high voltage power supply process of the whole vehicle; or to connect the battery negative interface A2, the pre-charging resistor R and the main circuit negative interface B2 during the high voltage power supply process of the whole vehicle.
  • the pre-filling switch module may be a switch module that connects or disconnects the pre-filling circuit according to a control signal output by the control unit.
  • the first end of the pre-charging switch module 201 is connected to the first end of the main positive controlled switch module 101, the second end of the pre-charging switch module 201 is connected to the first end of the pre-charging resistor R, and the second end of the pre-charging resistor R is connected to the second end of the main positive controlled switch module; as another implementation manner, the first end of the pre-charging switch module 201 is connected to the first end of the main negative controlled switch module 102, the second end of the pre-charging switch module 201 is connected to the first end of the pre-charging resistor R, and the second end of the pre-charging resistor R is connected to the second end of the main negative controlled switch module.
  • the pre-charging switch module 201 is connected in series with the pre-charging resistor R and then connected in parallel with the main negative controlled switch module 102 as an example for explanation.
  • the BMS When the vehicle end is powered on at high voltage, the BMS is powered on at low voltage after receiving the wake-up signal. After the BMS receives the high voltage instruction sent by the vehicle end, it controls the main positive controlled switch module 101 to close, and then controls the pre-charging switch module 201 to close, so as to turn on the pre-charging circuit 20 for pre-charging the vehicle end. After the pre-charging is completed, the main negative controlled switch module 102 is controlled to close, and then the pre-charging switch module 201 is controlled to open. If both the main positive controlled switch module 101 and the main negative controlled switch module 102 are closed, the battery end completes the high voltage power supply, and the power-on completion instruction is fed back to the vehicle end.
  • the pre-charging circuit in this embodiment is connected in parallel with the main load controlled switch module or the pre-charging circuit is connected in parallel with the main load controlled switch module.
  • the main power transmission circuit can be turned on to pre-charge the external load, thereby improving the safety of high-voltage power-on on the vehicle end.
  • the battery high voltage box further includes a charging interface for connecting to a charging socket.
  • the charging socket may be a socket for charging the battery pack; the charging interface may be an interface for establishing a connection with the charging socket.
  • the battery high-voltage box in this embodiment also includes a charging interface for connecting to a charging socket, which can connect the charging circuit to charge the battery pack when the battery pack at the vehicle end needs to be supplemented with electric energy, thereby meeting temporary power needs.
  • the battery high voltage box further includes a charging positive switch module 30 and a charging negative switch module 40, and the charging interface includes a charging positive interface C1 and a charging negative interface C2.
  • the charging positive interface C1 is connected to the charging positive switch module 30, and the charging positive switch module 30 is connected to the battery positive interface A1.
  • the charging negative interface C2 is connected to the charging negative switch module 40, and the charging negative switch module 40 is connected to the battery negative interface A2.
  • the charging positive controlled module 30 is used to connect the charging positive interface C1 to the battery positive interface A1 during the process of charging the battery pack.
  • the charging negative switch module 40 is used to connect the charging negative interface C2 to the battery negative interface A2 during the process of charging the battery pack.
  • the charging positive interface C1 can be the positive electrode interface of the battery pack charging circuit;
  • the charging negative interface C2 can be the negative electrode interface of the battery pack charging circuit;
  • the charging positive switch module 30 can be a switch module that connects or disconnects the positive pole of the charging circuit according to the control signal output by the control unit;
  • the charging negative switch module 40 can be a switch module that connects or disconnects the negative pole of the charging circuit according to the control signal output by the control unit.
  • the charging positive switch module 30 is the charging positive relay K1
  • the charging negative switch module 40 is the charging negative relay K2.
  • the charging positive relay can be a relay set at the positive pole of the charging circuit; the charging negative relay can be a relay set at the negative pole of the charging circuit.
  • relay K1 and relay K2 are closed, the charging circuit is turned on, and the external charging device inputs electrical energy through the charging positive interface C1 and the charging negative interface C2.
  • the charging circuit transmits the electrical energy to the battery positive interface A1 and the battery negative interface A2 to charge the battery pack.
  • a relay is set at the positive and negative poles of the charging circuit. After one of the relays fails and sticks, the charging circuit can be cut off by another relay, so that the charging interface is not energized, thereby improving the safety of vehicle charging.
  • the pre-charging circuit 20 is connected in parallel with the main positive controlled switch module 101.
  • the external charging device inputs electric energy through the charging positive interface C1 and the charging negative interface C2, the charging positive switch module 30 and the charging negative switch module 40 are closed, and the charging circuit is turned on to transmit the electric energy input by the external charging device to the battery pack to charge it;
  • the pre-charging circuit 20 is connected in parallel with the main negative controlled switch module 102, and the charging process is similar to the above-mentioned charging process, and this embodiment will not be repeated here.
  • the battery high-voltage box in this embodiment includes a charging positive switch module and a charging negative switch module, and the charging interface includes a charging positive interface and a charging negative interface.
  • the charging positive interface is connected to the charging positive switch module
  • the charging positive switch module is connected to the battery positive interface
  • the charging negative interface is connected to the charging negative switch module
  • the charging negative switch module is connected to the battery negative interface.
  • the battery high voltage box further includes a manual maintenance switch MSD, a first end of the manual maintenance switch MSD is connected to the battery positive interface A1 , and a second end of the manual maintenance switch MSD is connected to a first end of the charging positive switch module 30 .
  • the manual maintenance switch may be a high voltage connector with a fuse.
  • the manual maintenance switch MSD when performing vehicle maintenance, can be disconnected to cut off the main circuit and the charging circuit, ensuring that the main circuit interface and the charging interface are not energized; specifically, the manual maintenance switch can be set on the main circuit.
  • the circuit In the event of a charging failure and/or a power-on failure of the entire vehicle, the circuit can be cut off by the manual maintenance switch, thereby cutting off the external high voltage of the battery system, making it easier for personnel to maintain the vehicle.
  • the pre-charging switch module 201 is a pre-charging relay K3.
  • the pre-charging relay may be a relay provided in a pre-charging circuit. Referring to FIG8 , when the external load is pre-charged, the pre-charging relay K3 is closed, and the pre-charging circuit 20 is turned on to pre-charge the vehicle end. After the pre-charging is completed, the pre-charging relay K3 is disconnected, and the pre-charging circuit 20 is cut off.
  • the main positive controlled switch module 101 is the main positive relay K4, and the main negative controlled switch module 102 is the main negative relay K5.
  • the main positive relay can be a relay set at the positive pole of the main circuit; the main negative relay can be a relay set at the negative pole of the main circuit.
  • the main circuit positive interface B1 and the main circuit negative interface B2 output electric energy for the whole vehicle. Power supply at the vehicle end; during the process of high-voltage power-on of the whole vehicle, the BMS low-voltage power-on is received after receiving the wake-up signal.
  • the main negative relay K5 is closed after receiving the control command
  • the pre-charging relay K3 is closed after receiving the control command to pre-charge the whole vehicle end.
  • the main positive relay K4 is closed after receiving the control command, and the pre-charging relay K3 is disconnected after receiving the control command.
  • This embodiment sets a relay at the positive and negative poles of the main circuit. After one of the relays fails and sticks, the main circuit can be cut off by another relay, so that the main circuit interface is not energized, thereby improving the safety of vehicle power supply.
  • the main negative relay K5 can be disconnected normally to ensure that the main circuit interface is not powered; if the main negative relay K5 fails and sticks, the main positive relay K4 can be disconnected normally to ensure that the main circuit interface is not powered.
  • the battery high voltage box further includes a first low voltage interface D1, a second low voltage interface D2, a battery module management unit BMU,
  • the high-voltage battery system HVB and the current sensor the first low-voltage interface D1 is connected to the monitor set on the battery cell in the battery pack
  • the battery module management unit BMU receives the battery monitoring information sent by the monitor through the first low-voltage interface D1, and transmits the battery monitoring information to the second low-voltage interface D2, and the current sensor is used to monitor the loop current to prevent the loop from overcurrent.
  • FIG. 10 is a simplified schematic diagram of the architecture without pre-charging at the vehicle end.
  • the main negative relay K5 at the battery end is closed, the main positive relay at the vehicle end is closed, and then the pre-charging relay K3 at the battery end is closed to pre-charge the X capacitor at the vehicle end.
  • the main positive relay K4 at the battery end is closed, and then the pre-charging relay K3 is disconnected to complete the pre-charging.
  • FIG. 11 is a simplified schematic diagram of the architecture with pre-charging at the vehicle end.
  • the main negative relay K5 at the battery end is closed, and the pre-charging relay K3 is closed to perform a false pre-charging action.
  • the main positive relay K4 is closed, and then the pre-charging relay at the vehicle end is closed to pre-charge the X capacitor.
  • the main positive relay at the vehicle end is closed, and then the pre-charging relay at the vehicle end is disconnected.
  • the battery high-voltage box in this embodiment also includes a manual maintenance switch, a first end of the manual maintenance switch is connected to the battery positive interface, and a second end of the manual maintenance switch is connected to the first end of the main positive controlled switch module and the first end of the charging controlled switch module.
  • the power supply of the high-voltage system can be disconnected through the manual maintenance switch, thereby improving the safety of the vehicle.
  • the battery high voltage box also includes a main circuit positive interface B1 and a main circuit negative interface B2.
  • the main circuit positive interface B1 is used to connect to the positive pole of the external load connector.
  • the main circuit negative interface B2 is used to connect to the negative pole of the external load connector.
  • the controlled switch module 10 includes a main positive controlled switch module 101. The first end of the main positive controlled switch module 101 is connected to the battery positive interface A1, and the second end of the main positive controlled switch module 101 is connected to the main circuit positive interface B1.
  • the battery high-voltage box in this embodiment includes a main circuit positive interface and a main circuit negative interface
  • the controlled switch module includes a main positive controlled switch module.
  • the first end of the main positive controlled switch module is connected to the battery positive interface
  • the second end of the main positive controlled switch module is connected to the main circuit positive interface. It can pre-charge the external load when the pre-charging circuit is turned on, thereby matching the vehicle end with and without the pre-charging circuit, and achieving compatibility with vehicles from different OEMs.
  • the pre-charging loop 20 is set in the main positive loop in the main power transmission loop, the first end of the pre-charging loop 20 is connected to the first end of the main positive controlled switch module 101, and the second end of the pre-charging loop 20 is connected to the second end of the main positive controlled switch module 101.
  • the first end of the pre-charging circuit is connected to the first end of the main positive controlled switch module, and the second end of the pre-charging circuit is connected to the second end of the main positive controlled switch module.
  • the external load can be pre-charged when the pre-charging is turned on, thereby matching the vehicle end with and without the pre-charging circuit, thereby achieving compatibility with vehicles from different OEMs.
  • the battery high voltage box also includes a main circuit positive connection B1 port and a main circuit negative interface B2.
  • the main circuit positive interface B1 is used to connect to the positive pole of the external load connector
  • the main circuit negative interface B2 is used to connect to the negative pole of the external load connector.
  • the controlled switch module 10 includes a main negative controlled switch module 102. The first end of the main negative controlled switch module 102 is connected to the battery negative interface A2, and the second end of the main negative controlled switch module 102 is connected to the main circuit negative interface B2.
  • the battery high-voltage box in this embodiment includes a main circuit positive interface and a main circuit negative interface, and the controlled switch module includes a main negative controlled switch module.
  • the main negative controlled switch module is arranged in the main negative circuit, and can pre-charge the external load through the pre-charging circuit in parallel with the main negative controlled switch module in the battery high-voltage box, thereby matching the vehicle end with and without the pre-charging circuit, thereby achieving compatibility with vehicles from different OEMs.
  • the pre-charging loop 20 is arranged in the main negative loop in the main power transmission loop, the first end of the pre-charging loop 20 is connected to the first end of the main negative controlled switch module 102, and the second end of the pre-charging loop 20 is connected to the second end of the main negative controlled switch module 102.
  • the pre-charging circuit in this embodiment is arranged in the main negative circuit, and the pre-charging circuit is connected in parallel with the main negative controlled switch module.
  • the external load can be pre-charged through the pre-charging circuit in the battery high-voltage box which is connected in parallel with the main negative controlled switch module, thereby matching the vehicle end with and without the pre-charging circuit, and realizing compatibility with vehicles of different OEMs.
  • the battery high voltage box also includes a main circuit positive interface B1 and a main circuit negative interface B2, and the controlled switch module 10 includes a main positive controlled switch module 101 and a main negative controlled switch module 102.
  • the main circuit positive interface B1 is used to connect to the positive pole of the external load connector
  • the main circuit negative interface B2 is used to connect to the negative pole of the external load connector.
  • the first end of the main positive controlled switch module 101 is connected to the battery positive interface A1, and the second end of the main positive controlled switch module 101 is connected to the main circuit positive interface B1.
  • the first end of the main negative controlled switch module 102 is connected to the battery negative interface A2, and the second end of the main negative controlled switch module 102 is connected to the main circuit negative interface B2.
  • the battery high-voltage box in this embodiment includes a battery positive interface, a main circuit positive interface, a battery negative interface, a main circuit negative interface and a pre-charging circuit.
  • the controlled switch module includes a main positive controlled switch module and a main negative controlled switch module.
  • the pre-charging circuit is used to conduct the main transmission circuit to pre-charge the vehicle end during the high-voltage power-on process at the vehicle end; the external load is pre-charged through the pre-charging circuit of the battery high-voltage box, which solves the problem in the prior art that some host manufacturers' vehicles are equipped with pre-charging circuits, while some host manufacturers' vehicles are not equipped with pre-charging circuits, resulting in inconsistent requirements for battery pack types, resulting in the same type of battery packs being unable to be suitable for vehicles of different host manufacturers.
  • the technical problem is achieved that compatibility with vehicles of different host manufacturers is achieved.
  • the pre-charging circuit 20 is arranged in the main positive circuit in the main power transmission circuit, the first end of the pre-charging circuit 20 is connected to the first end of the main positive controlled switch module 101, and the second end of the pre-charging circuit 20 is connected to the second end of the main positive controlled switch module 101; or the pre-charging circuit 20 is arranged in the main negative circuit in the main power transmission circuit, the first end of the pre-charging circuit 20 is connected to the first end of the main negative controlled switch module 102, and the second end of the pre-charging circuit 20 is connected to the second end of the main negative controlled switch module 102.
  • the pre-charging circuit 20 is used to connect the battery positive interface A1 with the main circuit positive interface B1 during the process of high-voltage power supply to the whole vehicle, and connect the battery negative interface A2 with the main circuit negative interface B2 through the main negative controlled switch module 102, so as to turn on the power transmission main circuit Z for pre-charging of the whole vehicle; or, connect the battery negative interface A2 with the main circuit negative interface B2 during the process of high-voltage power supply to the whole vehicle, and connect the battery negative interface A2 with the main circuit negative interface B2 through the main negative controlled switch 102, so as to turn on the power transmission main circuit Z for pre-charging of the whole vehicle.
  • the pre-charging circuit in this embodiment is set in the main positive circuit in the main power transmission circuit, or is set in the main negative circuit in the main power transmission circuit, and can pre-charge the external load when the pre-charging circuit is turned on, thereby improving the safety of powering on the external load.
  • the pre-charging circuit 20 includes a pre-charging switch module 201 and a pre-charging resistor R.
  • a first end of the pre-charging switch module 201 is connected to a first end of the main positive controlled switch module 101, a second end of the pre-charging switch module 201 is connected to a first end of the pre-charging resistor R, and a second end of the pre-charging resistor R is connected to a second end of the main positive controlled switch module 101, or a first end of the pre-charging switch module 201 is connected to a first end of the main negative controlled switch module 102, a second end of the pre-charging switch module 201 is connected to a first end of the pre-charging resistor R, and a second end of the pre-charging resistor R is connected to a second end of the main negative controlled switch module 102.
  • the pre-charging circuit includes a pre-charging switch module and a pre-charging resistor.
  • the pre-charging switch module and the pre-charging resistor are connected in series and connected in parallel with the main positive controlled switch module, or the pre-charging switch module and the pre-charging resistor are connected in series and connected in parallel with the main negative controlled switch module.
  • the main power transmission circuit can be turned on to pre-charge the external load, thereby improving the safety of high-voltage power-on at the vehicle end.
  • the battery high voltage box further includes a charging positive switch module 30 and a charging negative switch module 40, and the charging interface includes a charging positive interface C1 and a charging negative interface C2.
  • the first end of the charging positive switch module 30 is connected to the battery positive interface A1, and the second end of the charging positive switch module 30 is connected to the charging positive interface C1.
  • the first end of the charging negative switch module 40 is connected to the battery negative interface A2, and the second end of the charging negative switch module 40 is connected to the charging negative interface C2.
  • the charging positive switch module 30 is used to connect the charging positive interface C1 with the battery positive interface A1 during charging of the battery pack.
  • the charging negative switch module 40 is used to connect the charging positive interface C1 with the battery positive interface A1 during charging of the battery pack.
  • the charging negative interface C2 is connected to the battery negative interface A2.
  • the battery high-voltage box includes a positive charging interface, a negative charging interface, a positive charging switch module and a negative charging switch module.
  • the positive charging interface is connected to the positive charging switch module
  • the positive charging switch module is connected to the positive battery interface
  • the negative charging interface is connected to the negative charging switch module
  • the negative charging switch module is connected to the negative battery interface.
  • An embodiment of the present application further provides a battery pack, which includes the battery high voltage box as described above.
  • the battery pack further includes a battery pack 50 and an external load connector 60
  • the positive pole of the battery pack 50 is connected to the battery positive interface A1
  • the negative pole of the battery pack 50 is connected to the battery negative interface A2.
  • the positive pole of the external load connector 60 is connected to the main circuit positive interface B1
  • the negative pole of the external load connector 60 is connected to the main circuit negative interface B2.
  • the battery pack may be a battery pack obtained by connecting a plurality of battery cells in series or in parallel.
  • the external load connector may be a dedicated connector for realizing electrical quick connection and separation between the vehicle and the battery pack.
  • the positive pole of the battery pack 50 is connected to the battery positive interface A1 on the battery high-voltage box
  • the negative pole of the battery pack 50 is connected to the battery negative interface A2 on the battery high-voltage box
  • the positive pole of the external load connector 60 is connected to the main circuit positive interface B1 on the battery high-voltage box
  • the negative pole of the external load connector 60 is connected to the main circuit negative interface B2 on the battery high-voltage box
  • the external load connector 60 when the battery pack is at the vehicle end, the external load connector 60 is used as a discharge interface to supply power to the vehicle end
  • the external load connector 60 is used as a charging interface to charge the battery pack, that is, the external load connector 60 can be used as both a charging interface and a discharge interface.
  • the number of external load connectors 60 can be configured according to the overcurrent requirement. If the overcurrent requirement is high, multiple external load connectors can be configured.
  • the battery pack in this embodiment includes a battery pack and an external load connector.
  • the positive pole of the battery pack is connected to the positive interface of the battery
  • the negative pole of the battery pack is connected to the negative interface of the battery
  • the positive pole of the external load connector is connected to the positive interface of the main circuit
  • the negative pole of the external load connector is connected to the negative interface of the main circuit.
  • the external load connector is used to supply power to the external load when the battery pack is at the vehicle end; when the battery pack is at the battery swap station, the electric energy input from the battery swap station is transmitted to charge the battery pack;
  • the external load connector can be used as both a discharge interface and a charging interface, realizing the same charging and discharging interface, and reducing the hardware cost of the battery pack.
  • the battery pack further includes a charging socket 70 .
  • the positive electrode of the charging socket 70 is connected to the positive charging interface C1
  • the negative electrode of the charging socket 70 is connected to the negative charging interface C2 .
  • the charging socket 70 is used to transmit the electric energy input by the charging gun to charge the battery pack 80 .
  • the charging socket may be a socket connected to an external charging device.
  • the battery pack includes a charging socket 70, the positive pole of the charging socket 70 is connected to the charging positive interface C1 on the battery high-voltage box, and the negative pole of the charging socket 70 is connected to the charging negative interface C2 on the battery high-voltage box; when charging the battery pack, the charging gun is connected to the charging socket, and the electrical energy is transmitted to the battery positive interface A1 and the battery negative interface A2 through the charging circuit to charge the battery pack.
  • the charging socket is integrated on the battery pack.
  • the vehicle needs temporary power replenishment, it can be charged through the charging socket.
  • the number of charging sockets can be configured according to the charging time requirement. If the charging time requirement is short, multiple charging sockets can be configured to increase the charging speed.
  • the battery pack also includes a charging socket, the positive pole of the charging socket is connected to the positive charging interface, and the negative pole of the charging socket is connected to the negative charging interface.
  • the charging socket is arranged on the shell of the battery pack, and there is no need to establish a connection with the base of the vehicle end through a separate external load connector, thereby reducing the number of external load connectors used and reducing hardware costs.
  • the battery pack further comprises a housing, and the battery high voltage box is disposed in the housing.
  • the external load connector 60 and the charging socket 70 are disposed on the housing.
  • the battery high voltage box is disposed in a housing of the battery pack, and the external load connector 60 and the charging socket 70 are disposed on the housing.
  • FIG14 is a schematic diagram of establishing a connection between the battery pack and the vehicle end through the vehicle-mounted base
  • the battery pack 50 includes a plurality of electrical boxes, each of which is provided with a monitor CSC, the CSC of each electrical box is connected to the first low-voltage interface D1, the positive electrode of each electrical box is connected to the battery positive interface A1, the negative electrode of each electrical box is connected to the battery negative interface A2, the main circuit positive interface B1 is connected to the positive electrode of the external load connector 60, the main circuit negative interface B2 is connected to the negative electrode of the external load connector 60, and the second low-voltage interface D2 is connected to the external load connector after being connected to the BMU.
  • FIG. 15 is a schematic diagram of the battery pack being connected to the battery swap station charger through the battery swap station base, the external load connector is connected to the battery swap station charger through the battery swap station base, and the battery swap station charger charges the battery pack through the external load connector.
  • the external load connector and the charging socket are arranged on the housing, which can reduce the number of external load connectors used and reduce the hardware cost.
  • the present application also proposes a vehicle, which includes a battery pack as described above.
  • the specific structure of the battery pack refers to the above embodiment. Since the vehicle adopts all the technical solutions of all the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here.

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Abstract

本申请实施例公开了一种电池高压盒、电池包及车辆，电池高压盒包括电池正接口、电池负接口、输电主回路、受控开关模块和预充回路；输电主回路分别与电池正接口以及电池负接口连接，受控开关模块设置在输电主回路上，预充回路与受控开关模块并联；预充回路，用于在导通的情况下对外部负载进行预充，能够通过电池高压盒内的预充回路对外部负载进行预充，在整车端带预充回路和不带预充回路的情况下都能够使整车端完成预充，从而实现对不同主机厂整车的兼容。

Description

电池高压盒、电池包及车辆
相关申请的交叉引用
本申请要求于2023年06月28日提交的名称为“电池高压盒、电池包及车辆”的中国专利申请202321669016.2的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及换电技术领域，具体涉及一种电池高压盒、电池包及车辆。
背景技术
随着技术的发展，新能源车辆的渗透率越来越高，目前在新能源的换电领域，电池系统一般集成在电池包内，但不同的主机厂整车多合一架构存在差异，对于电池包的需求不一致，导致电池包无法兼容不同主机厂的车辆。
发明内容
本申请提出一种电池高压盒、电池包及车辆，旨在解决电池包无法兼容不同主机厂的整车的技术问题。
第一方面，本申请实施例提出了一种电池高压盒，用于连接所述电池与外部负载，所述电池高压盒包括电池正接口、电池负接口、输电主回路、受控开关模块和预充回路；
所述输电主回路分别与所述电池正接口以及所述电池负接口连接，所述受控开关模块设置在所述输电主回路上，所述预充回路与所述受控开关模块并联；
所述预充回路，用于在导通的情况下对所述外部负载进行预充。
该实施例提出一种电池高压盒，用于连接电池与外部负载，该电池高压盒包括电池正接口、电池负接口、输电主回路、受控开关模块和预充回路，预充回路用于在导通的情况下对外部负载进行预充，解决了现有技术中有的主机厂商的整车带有预充回路，有的主机厂商的整车不带有预充回路，从而对电池包的类型需求不一致，导致同一类型电池包无法适用于不同主机厂的整车的技术问题，实现对不同主机厂整车的兼容。
在一些实施例中，所述电池高压盒还包括用于与外部负载连接器的正极连接的主回路正接口和用于与所述外部负载连接器的负极连接的主回路负接口。
该实施例中的电池高压盒包括用于与外部负载连接器的正极连接的主回路正接口和用于与所述外部负载连接器的负极连接的主回路负接口，能够通过主回路正接口和主回路负接口与外部负载连接，从而能够在预充回路导通的情况下对外部负载进行预充，可以适用不同主机厂的整车，提高了电池高压盒的兼容性。
在一些实施例中，所述受控开关模块包括主正受控开关模块和/或主负受控开关模块，所述主正受控开关模块分别与所述电池正接口以及所述主回路正接口连接，所述主负受控开关模块分别与所述电池负接口以及所述主回路负接口连接。
该实施例中的受控开关模块包括主正受控开关模块和/或主负受控开关模块，主正受控开关模块分别与电池正接口以及主回路正接口连接，主负受控开关模块分别与电池负接口和主回路负接口连接，解决了现有技术中有的主机厂商的整车带有预充回路，有的主机厂商的整车不带有预充回路，从而对换电包的类型需求不一致，导致同一类型换电包无法适用于不同主机厂的整车的技术问题，实现对不同主机厂整车的兼容。
在一些实施例中，所述预充回路与所述受控开关模块并联包括所述预充回路与所述主正受控开关模块并联或所述预充回路与所述主正受控开关模块并联。
该实施例中的预充回路与主负受控开关模块并联或预充回路与主负受控开关模块并联，能够在整车高压上电的过程中，将输电主回路导通对外部负载进行预充，提高了整车端高压上电的安全性。
在一些实施例中，所述电池高压盒还包括用于与充电插座连接的充电接口。
该实施例中的电池高压盒还包括用于与充电插座连接的充电接口，能够在电池需要补充电能时，将充电回路导通为电池组充电，从而满足临时用电需求。
在一些实施例中，所述电池高压盒还包括充电正开关模块和充电负开关模块，所述充电接口包括充电正接口和充电负接口；
所述充电正接口与所述充电正开关模块连接，所述充电正开关模块与所述电池正接口连接，所述充电负接口与所述充电负开关模块连接，所述充电负开关模块与所述电池负接口连接；
所述充电正开关模块，用于在为电池组充电的过程中，将所述充电正接口与所述电池正接口连通；
所述充电负开关模块，用于在为所述电池组充电的过程中，将所述充电负接口与所述电池负接口连通。
该实施例中电池高压盒包括充电正开关模块和充电负开关模块，充电接口包括充电正接口和充电负接口，充电正接口与充电正受控开关模块连接，充电正受控开关模块与电池正接口连接，充电负接口与充电负受控开关模块连接，充电负受控开关模块与电池负接口连接，充电正受控开关模块和充电负受控开关模块能够在电池需要补充电能时，将充电回路导通为电池充电，从而满足临时用电需求。
在一些实施例中，所述电池高压盒还包括手动维修开关，所述手动维修开关的第一端与所述电池正接口连接，所述手动维修开关的第二端与所述充电正开关模块的第一端连接。
该实施例中的电池高压盒还包括手动维修开关，手动维修开关的第一端与电池正接口连接，手动维修开关的第二端与充电受控开关模块的第一端连接，能够在出现充电故障时，通过手动维修开关将高压系统的电源断开，提高了车辆的充电安全性。
在一些实施例中，所述电池高压盒还包括主回路正接口和主回路负接口，所述主回路正接口用于与外部负载连接器的正极连接，所述主回路负接口用于与外部负载连接器的负极连接，所述受控开关模块包括主正受控开关模块；
所述主正受控开关模块的第一端与所述电池正接口连接，所述主正受控开关模块的第二端与所述主回路正接口连接。
该实施例中的电池高压盒包括主回路正接口和主回路负接口，受控开关模块包括主正受控开关模块，主正受控开关模块的第一端与电池正接口连接，主正受控开关模块的第二端与主回路正接口连接，能够在预充回路导通的情况下对外部负载进行预充，从而匹配带预充回路和不带预充回路的整车端，实现了对不同主机厂整车的兼容。
在一些实施例中，所述预充回路设置在所述输电主回路中的主正回路，所述预充回路的第一端与所述主正受控开关模块的第一端连接，所述预充回路的第二端与所述主正受控开关模块的第二端连接。
该实施例中预充回路的第一端与主正受控开关模块的第一端连接，预充回路的第二端与主正受控开关模块的第二端连接， 能够在预充导通的情况下对外部负载进行预充，从而匹配带预充回路和不带预充回路的整车端，实现了对不同主机厂整车的兼容。
在一些实施例中，所述电池高压盒还包括主回路正接口和主回路负接口，所述主回路正接口用于与外部负载连接器的正极连接，所述主回路负接口用于与外部负载连接器的负极连接，所述受控开关模块包括主负受控开关模块；
所述主负受控开关模块的第一端与所述电池负接口连接，所述主负受控开关模块的第二端与所述主回路负接口连接。
该实施例中的电池高压盒包括主回路正接口、主回路负接口，受控开关模块包括主负受控开关模块，主负受控开关模块设置在主负回路，能够通过电池高压盒中与主负受控开关模块并联的预充回路对外部负载进行预充，从而匹配带预充回路和不带预充回路的整车端，实现了对不同主机厂整车的兼容。
在一些实施例中，所述预充回路设置在所述输电主回路中的主负回路，所述预充回路的第一端与所述主负受控开关模块的第一端连接，所述预充回路的第二端与所述主负受控开关模块的第二端连接。
该实施例中的预充回来设置在主负回路，预充回路与主负受控开关模块并联，能够通过电池高压盒中与主负受控开关模块并联的预充回路对外部负载进行预充，从而匹配带预充回路和不带预充回路的整车端，实现了对不同主机厂整车的兼容。
在一些实施例中，所述电池高压盒还包括主回路正接口、主回路负接口，所述受控开关模块包括主正受控开关模块和主负受控开关模块，所述主回路正接口用于与外部负载连接器的正极连接，所述主回路负接口用于与外部负载连接器的负极连接；
所述主正受控开关模块的第一端与所述电池正接口连接，所述主正受控开关模块的第二端与所述主回路正接口连接，所述主负受控开关模块的第一端与所述电池负接口连接，所述主负受控开关模块的第二端与所述主回路负接口连接。
该实施例中的受控开关模块包括主正受控开关模块和主负受控开关模块，能够在其中一个受控开关模块失效后，通过另一个受控开关模块将输电主回路切断，提高了车辆的安全性。
在一些实施例中，所述预充回路设置在所述输电主回路中的主正回路，所述预充回路的第一端与所述主正受控开关模块的第一端连接，所述预充回路的第二端与所述主正受控开关模块的第二端连接，或所述预充回路设置在所述输电主回路中的主负回路，所述预充回路的第一端与所述主负受控开关模块的第一端连接，所述预充回路的第二端与所述主负受控开关模块的第二端连接。
该实施例中的预充回路设置输电主回路中的主正回路，或设置在输电主回路中的主负回路，能够在预充回路导通的情况下对外部负载进行预充，提高了整车端高压上电的安全性。
在一些实施例中，所述预充回路包括预充开关模块和预充电阻；
所述预充开关模块的第一端与所述主正受控开关模块的第一端连接，所述预充开关模块的第二端与所述预充电阻的第一端连接，所述预充电阻的第二端与所述主正受控开关模块的第二端连接，或所述预充开关模块的第一端与所述主负受控开关模块的第一端连接，所述预充开关模块的第二端与所述预充电阻的第一端连接，所述预充电阻的第二端与所述主负受控开关模块的第二端连接。
该实施例中的预充回路与主负受控开关模块并联或预充回路与主负受控开关模块并联，能够在外部负载高压上电的过程中，将输电主回路导通对外部负载进行预充，提高了整车端高压上电的安全性。
在一些实施例中，所述电池高压盒还包括充电正开关模块和充电负开关模块，所述充电接口包括充电正接口和充电负接口；
所述充电正开关模块的第一端与所述电池正接口连接，所述充电正开关模块的第二端与所述充电正接口连接，所述充电负开关模块的第一端与所述电池负接口连接，所述充电负开关模块的第二端与所述充电负接口连接；
所述充电正开关模块，用于在为电池组充电的过程中，连通所述充电正接口与所述电池正接口；
所述充电负开关模块，用于在为电池组充电的过程中，连通所述充电负接口与所述电池负接口。
该实施例中电池高压盒包括充电正接口、充电负接口、充电正开关模块和充电负开关模块，充电正接口与充电正开关模块连接，充电正开关模块与电池正接口连接，充电负接口与充电负开关模块连接，充电负开关模块与电池负接口连接，充电正开关模块和充电负开关模块能够在整车端的电池组需要补充电能时，将充电回路导通为电池组充电，从而满足临时用电需求。
第二方面，本申请实施例还提出一种电池包，所述电池包包括如上文任一项所述的电池高压盒。
在一些实施例中，所述电池包还包括电池组和外部负载连接器；
所述电池组的正极与电池正接口连接，所述电池组的负极与电池负接口连接，所述外部负载连接器的正极与主回路正接口连接，所述外部负载连接器的负极与主回路负接口连接；
所述外部负载连接器，用于在所述电池包在整车端的情况下，向外部负载供电；在所述电池包在换电站的情况下，传输所述换电站输入的电能为所述电池组充电。
该实施例中的电池包包括电池组和外部负载连接器，电池组的正极与电池正接口连接，电池组的负极与电池负接口连接，外部负载连接器的正极与主回路正接口连接，外部负载连接器的负极与主回路负接口连接，外部负载连接器用于在电池包在整车端的情况下，向外部负载供电；在电池包在换电站的情况下，传输换电站输入的电能为电池组充电；外部负载连接器既能作为放电接口，又能作为充电接口，实现了充放电同口，降低了电池包的硬件成本。
在一些实施例中，所述电池包还包括充电插座，所述充电插座的正极与充电正接口连接，所述充电插座的负极与充电负接口连接；
所述充电插座，用于传输充电枪输入的电能为所述电池组充电。
该实施例中电池包还包括充电插座，充电插座的正极与充电正接口连接，充电插座的负极与充电负接口连接，将充电插座设置在电池包的壳体上，无需通过单独的外部负载连接器与整车端的底座建立连接，减少了外部负载连接器的使用数量，降低了硬件成本。
在一些实施例中，所述电池包还包括壳体，所述电池高压盒设于所述壳体内；
所述外部负载连接器和充电插座均设于所述壳体上。
该实施例中外部负载连接器和充电插座设在壳体上，能够减少外部负载连接器的使用数量，降低了硬件成本。
第三方面，本申请实施例还提出一种车辆，所述车辆包括如上文任一项所述的电池包。
上述说明仅是本申请技术方案的概述，为了能够更清楚了解本申请的技术手段，而可依照说明书的内容予以实施，并且为了让本申请的上述和其他目的、特征和优点能够更明显易懂，以下特举本申请的具体实施方式。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的附图。
图1为本申请电池高压盒一实施例的功能模块图；
图2为本申请电池高压盒一实施例的功能模块示意图；
图3为本申请电池高压盒一实施例中预充回路与主正受控开关模块，或预充回路与主负受控开关模块并联的示意图；
图4为本申请电池高压盒一实施例中预充回路与主正受控开关模块并联的示意图；
图5为本申请电池高压盒一实施例中预充回路与主负受控开关模块并联的示意图；
图6为本申请电池高压盒一实施例中预充回路的连接示意图；
图7为本申请电池高压盒又一实施例功能模块图；
图8为本申请电池高压盒一实施例中的电池高压盒的电路结构示意图；
图9为本申请电池高压盒一实施例中的电池高压盒又一电路结构示意图；
图10为本申请电池高压盒一实施例中整车端不带预充的架构简化示意图；
图11为本申请电池高压盒一实施例中整车端带预充的架构简化示意图；
图12为本申请电池包一实施例的功能模块图；
图13为本申请电池包又一实施例的功能模块图；
图14为本申请电池包一实施例中电池包通过车载底座与整车端建立连接的示意图；
图15为本申请电池包一实施例中电池包通过换电站底座与换电站充电机连接的示意图。
附图标号说明：
本申请目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
下面将结合附图对本申请技术方案的实施例进行详细的描述。以下实施例仅用于更加清楚地说明本申请的技术方案，因此只作为示例，而不能以此来限制本申请的保护范围。
除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同；本文中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本申请；本申请的说明书和权利要求书及上述附图说明中的术语“包括”和“具有”以及它们的任何变形，意图在于覆盖不排他的包含。
在本申请实施例的描述中，技术术语“第一”“第二”等仅用于区别不同对象，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、特定顺序或主次关系。在本申请实施例的描述中，“多个”的含义是两个以上，除非另有明确具体的限定。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
在本申请实施例的描述中，术语“和/或”仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
在本申请实施例的描述中，术语“多个”指的是两个以上(包括两个)，同理，“多组”指的是两组以上(包括两组)，“多片”指的是两片以上(包括两片)。
在本申请实施例的描述中，技术术语“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实施例和简化描述，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实施例的限制。
在本申请实施例的描述中，除非另有明确的规定和限定，技术术语“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；也可以是机械连接，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实施例中的具体含义。
在本申请的一些实施例中，参照图1，本申请提供了一种电池高压盒，用于连接电池与外部负载。电池高压盒包括电池 正接口A1、电池负接口A2、输电主回路Z、受控开关模块10和预充回路20。输电主回路Z分别与电池正接口A1以及电池负接口A2连接，受控开关模块10设置在输电主回路上，预充回路20与受控开关模块10并联。预充回路20，用于在导通的情况下对所述外部负载进行预充。
电池高压盒还可称为高压配电盒(PDU)，电池高压盒可以是高压系统中分配电池组输出的直流电和监控过流过压的高压电源分配单元；电池正接口A1可以是与电池组的正极相连接的接口；电池负接口A2可以是与电池组的负极相连接的接口；输电主回路Z可以是进行电能传输的主回路；预充回路20可以是在整车端高压上电的过程中对整车端的X电容进行预充的回路。
受控开关模块10可以是根据控制单元输出的控制信号将输电主回路导通或断开的开关模块。
在一个可选实施方式中，例如外部负载可以是车辆的外部驱动，受控开关模块10设置在输电主回路Z上，在整车端不带预充的情况下，整车执行上高压电的流程可以是：接收唤醒信号BMS低压上电，BMS接收到整车端发送的上高压指令后，控制预充回路20导通，以对整车端的外部驱动进行预充，预充成功后控制受控开关模块10闭合，再控制预充回路20断开，受控开关模块10闭合完成，电池端上高压电完成，反馈上电完成指令至整车端；在整车端带预充的情况下，整车执行上高压电的流程可以是：接收唤醒信号BMS低压上电，BMS接收到整车端发送的上高压指令后，控制预充回路20导通执行假预充动作，假预充动作可以是电池高压盒中的预充回路20导通，但是由于整车端自带预充，预充回路20导通后不会对整车端的外部驱动进行预充，真正的预充动作由整车端的预充回路执行，假预充动作执行完成后，控制正受控开关模块10闭合，再控制预充回路20断开，受控开关模块10完成闭合，电池端上高压完成，反馈上电完成指令至整车端。
该实施例提出一种电池高压盒，用于连接电池与外部负载，该电池高压盒包括电池正接口、电池负接口、输电主回路、受控开关模块和预充回路，预充回路用于在导通的情况下对外部负载进行预充，能够通过电池高压盒自带的预充回路对外部负载进行预充，解决了现有技术中有的主机厂商的整车带有预充回路，有的主机厂商的整车不带有预充回路，从而对电池包的类型需求不一致，导致同一类型电池包无法适用于不同主机厂的整车的技术问题，实现对不同主机厂整车的兼容。
在一些实施例中，参照图2，电池高压盒还包括用于与外部负载连接器的正极连接的主回路正接口B1和用于与外部负载连接器的负极连接的主回路负接口B2。
外部负载连接器可以是用于连接电池高压盒与外部负载的连接器，例如外部负载连接器包括快换连接器或其他具有相同或相似功能的连接器。主回路正接口B1可以是与供电/充电主回路的正极相连接的接口；主回路负接口B2可以是与供电/充电主回路的负极相连接的接口。
该实施例中的电池高压盒包括用于与外部负载连接器的正极连接的主回路正接口和用于与所述外部负载连接器的负极连接的主回路负接口，能够通过主回路正接口和主回路负接口与外部负载连接，从而能够在预充回路导通的情况下对外部负载进行预充，可以适用不同主机厂的整车，提高了电池高压盒的兼容性。
在一些实施例中，参照图3，受控开关模块10包括主正受控开关模块101和/或主负受控开关模块102。主正受控开关模块101分别与电池正接口A1和主回路正接口B1连接。主负受控开关模块102分别与电池负接口A2以及主回路负接口B2连接。
主正受控开关模块101可以是根据控制单元输出的控制信号将主回路正接口B1与电池正接口A1接通或断开的开关模块；主负受控开关模块102可以是根据控制单元输出的控制信号将主回路负接口B1与电池负接口A1接通或断开的开关模块。
在一个可选实施方式中，参照图4，假设受控开关模块10包括主正受控开关模块，整车端不带预充，在整车上高压电的过程中，接收唤醒信号BMS低压上电，BMS接收到整车端发送的上高压指令后，控制预充回路20导通，电池正接口A1与主回路正接口B1接通，从而将输电主回路Z导通为整车端的外部负载进行预充，预充成功后控制主正受控开关模块101闭合，再控制预充回路20断开，主正受控开关模块101闭合完成，电池端上高压电完成，反馈上电完成指令至整车端。
在另一个可选实施方式中，参照图5，假设受控开关模块10包括主负受控开关模块20，整车端不带预充，在整车上高压电的过程中，接收唤醒信号BMS低压上电，BMS接收到整车端发送的上高压指令后，控制预充回路20导通，从而将电池负接口A2与主回路负接口B2接通，以将输电主回路Z导通为整车端的外部负载进行预充，预充成功后控制主负受控开关模块102闭合，再控制预充回路20断开，主负受控开关模块102闭合完成，电池端上高压电完成，反馈上电完成指令至整车端。
在又一个可选实施例中，继续参照图4，图4为预充回路20与主正受控开关模块101并联的示意图，在通过主回路为电池组充电的情况下，主正受控开关模块101和主负受控开关模块102闭合，主回路导通，主回路正接口B1和主回路负接口B2接收充电设备输入的电能，通过主回路将电能传输至电池正接口A1和电池负接口A2为电池组充电；在通过主回路供电的情况下，主正受控开关模块101和/或主负受控开关模块102闭合，主回路导通，电池组通过电池正接口A1和电池负接口A2传输电能，通过主回路将电池组传输的电能输出至主回路正接口B1和主回路负接口B2为整车端供电；在整车端高压上电的情况下，接收到整车端发送的上高压指令后，控制主负受控开关模块102闭合，再控制预充回路20导通为整车端进行预充，预充成功后控制主正受控开关模块101闭合，再控制预充回路20断开，主正受控开关模块101和主负受控开关模块102均闭合后，电池端上高压完成，并反馈上电完成指令至整车端；作为另一种实现方式，参照图6，图6为预充回路20与主负受控开关模块102并联的示意图，预充回路20与主负受控开关模块102并联的情况与预充回路20与主正受控开关101并联的情况类似，本实施例在此不再赘述。
该实施例中的受控开关模块包括主正受控开关模块和/或主负受控开关模块，主正受控开关模块分别与电池正接口以及主回路正接口连接，主负受控开关模块分别与电池负接口和主回路负接口连接，解决了现有技术中有的主机厂商的整车带有预充回路，有的主机厂商的整车不带有预充回路，从而对换电包的类型需求不一致，导致同一类型换电包无法适用于不同主机厂的整车的技术问题，实现对不同主机厂整车的兼容。
在一些实施例中，继续参照图3，预充回路20与受控开关模块10并联包括预充回路20与主正受控开关模块101并联或预充回路20与主负受控开关模块102并联。
在一个可选实施方式中，以预充回路20与主正受控开关模块101并联为例进行说明，在整车端不带预充的情况下，整车执行上高压电的流程可以是：接收唤醒信号BMS低压上电，BMS接收到整车端发送的上高压指令后，控制主负受控开关模块102闭合，再控制预充回路20导通为整车端的外部负载进行预充，预充成功后控制主正受控开关模块101闭合，再控制预充回路20断开，主正受控开关模块101和主负受控开关模块102都闭合，电池端上高压电完成，反馈上电完成指令至整车端；在整车端待预充的情况下，整车执行上高压电的流程可以是：接收唤醒信号BMS低压上电，BMS接收到整车端发送的上高压指令后，控制主负受控开关模块102闭合，再控制预充回路20导通执行假预充动作，假预充动作可以是电池高压盒中的预充回路20导通，但是由于整车端自带预充，预充回路20导通后不会对外部负载进行预充，真正的预充动作由整车端执行，假预充动作执行完成后，控制主正受控开关模块101闭合，再控制预充回路20断开，主正受控开关模块101和主负受控开关模块102均完成闭合，电池端上高压完成，反馈上电完成指令至整车端。
在另一个可选实施方式中，参照图6，预充回路20包括预充开关模块201和预充电阻R。预充开关模块201和预充电阻R串联后与主正受控开关模块101并联，或预充开关模块201和预充电阻R串联后与主负受控开关模块102并联。
预充开关模块201用于在整车上高压电的过程中将电池正接口A1、预充电阻R和主回路正接口B1连通；或在整车上高压电的过程中将电池负接口A2、预充电阻R和主回路负接口B2连通。
预充开关模块可以是根据控制单元输出的控制信号将预充回路接通或断开的开关模块。
作为一种实现方式，预充开关模块201的第一端与主正受控开关模块101的第一端连接，预充开关模块201的第二端与预充电阻R的第一端连接，预充电阻R的第二端与主正受控开关模块的第二端连接；作为另一种实现方式，预充开关模块201的第一端与主负受控开关模块102的第一端连接，预充开关模块201的第二端与预充电阻R的第一端连接，预充电阻R的第二端与主负受控开关模块的第二端连接。
在一个可选实施例中，以预充开关模块201与预充电阻R串联后与主负受控开关模块102并联为例进行说明，在整车端高压上电的情况下，接收到唤醒信号后BMS低压上电，BMS接收到整车端发送的上高压指令后，控制主正受控开关模块101闭合，再控制预充开关模块201闭合，以将预充回路20导通为整车端进行预充，预充完成后，控制主负受控开关模块102闭合，再控制预充开关模块201断开，若主正受控开关模块101和主负受控开关模块102都闭合，则电池端完成上高压电，反馈上电完成指令至整车端。
该实施例中的预充回路与主负受控开关模块并联或预充回路与主负受控开关模块并联，能够在外部负载高压上电的过程中，将输电主回路导通对外部负载进行预充，提高了整车端高压上电的安全性。
在一个可选实施例中，电池高压盒还包括用于与充电插座连接的充电接口。
充电插座可以是用于对电池组进行充电的插座；充电接口可以是与充电插座建立连接的接口。
该实施例中的电池高压盒还包括用于与充电插座连接的充电接口，能够在整车端的电池组需要补充电能时，将充电回路导通为电池组充电，从而满足临时用电需求。
在一些实施例中，参照图7，电池高压盒还包括充电正开关模块30和充电负开关模块40，充电接口包括充电正接口C1和充电负接口C2。充电正接口C1与充电正开关模块30连接，充电正开关模块30与电池正接口A1连接。充电负接口C2与充电负开关模块40连接，充电负开关模块40与电池负接口A2连接。充电正受控模块30用于在为电池组充电的过程中，将充电正接口C1与电池正接口A1连通。充电负开关模块40用于在为电池组充电的过程中，将充电负接口C2与电池负接口A2连通。
充电正接口C1可以是电池组充电回路的正极接口；充电负接口C2可以是电池组充电回路的负极接口；充电正开关模块30可以是根据控制单元输出的控制信号将充电回路的正极接通或断开的开关模块；充电负开关模块40可以是根据控制单元输出的控制信号将充电回路的负极接通或断开的开关模块。
作为一种实现方式，参照图8，充电正开关模块30为充电正继电器K1，充电负开关模块40为充电负继电器K2，充电正继电器可以是设置在充电回路正极的继电器；充电负继电器可以是设置在充电回路负极的继电器，在对电池组充电的情况下，继电器K1和继电器K2闭合，充电回路导通，外部充电设备通过充电正接口C1和充电负接口C2输入电能，充电回路将电能传输至电池正接口A1和电池负接口A2为电池组充电，在充电回路的正极和负极各设置一个继电器，能够在其中一个继电器失效粘连后，通过另一个继电器将充电回路切断，从而使充电接口不带电，提高了车辆充电的安全性。
在一个可选实施方式中，预充回路20与主正受控开关模块101并联，在为电池组充电的情况下，外部充电设备通过充电正接口C1和充电负接口C2输入电能，充电正开关模块30和充电负开关模块40闭合，充电回路导通将外部充电设备输入的电能传输至电池组为其充电；在另一个可选实施方式中，预充回路20与主负受控开关模块102并联，充电过程与上述充电过程类似，本实施例在此不再赘述。
该实施例中的电池高压盒包括充电正开关模块和充电负开关模块，充电接口包括充电正接口和充电负接口，充电正接口与充电正开关模块连接，充电正开关模块与电池正接口连接，充电负接口与充电负开关模块连接，充电负开关模块与电池负接口连接，能够在整车端需要补充电能时，通过充电正接口和充电负接口补充电能，从而满足临时用电需求。
在一些实施例中，继续参照图8，电池高压盒还包括手动维修开关MSD，手动维修开关MSD的第一端与电池正接口A1连接，手动维修开关MSD的第二端与充电正开关模块30的第一端连接。
手动维修开关可以是一种带熔断器的高压连接器。
作为一种实现方式，在进行车辆维修时，可将手动维修开关MSD断开，从而切断主回路与充电回路，保证主回路接口和充电接口不带电；具体的，手动维修开关可以设置在主回路上，在充电发生故障和/或整车上电发生故障的情况下，可通过手动维修开关切断电路，从而切断电池系统对外的高压，方便人员维修。
在一些实施例中，预充开关模块201为预充继电器K3。预充继电器可以是设置在预充回路中的继电器，继续参照图8，在对外部负载进行预充的情况下，预充继电器K3闭合，预充回路20导通为整车端进行预充，预充完成后，预充继电器K3断开，预充回路20切断。
在一个可选实施方式中，预充继电器和预充电阻的选型可基于整车端X电容进行适配选型，预充电阻的阻值可通过如下方式计算得到：R＝t/C*Ln[(V1-V0)/(V1-Vt)]，其中，R为预充电阻的阻值，t为预充需求时间(可基于不同主机厂的需求确定)，C为整车端X电容(可基于不同主机厂的需求确定)，V0为电容上的初始电压值，V1为电容最终可充到或放到的电压值，Vt为t时刻电容上的电压值。
在另一个可选实施方式中，继续参照图8，主正受控开关模块101为主正继电器K4，主负受控开关模块102为主负继电器K5，主正继电器可以是设置在主回路正极的继电器；主负继电器可以是设置在主回路负极的继电器，以预充回路与主正受控开关模块并联为例进行说明，在对整车端供电的情况下，主正继电器K4和主负继电器K5闭合，主回路导通，电池组输出的电能通过电池正接口A1和电池负接口A2传输至主回路，通过主回路传输至主回路正接口B1和主回路负接口B2，主回路正接口B1和主回路负接口B2输出电能为整车端供电；整车高压上电的过程中，接受唤醒信号BMS低压上电，接收到整车端发送的上高压指令后，主负继电器K5接收到控制指令后闭合，预充继电器K3接收到控制指令后闭合为整车端预充，预充成功后，主正继电器K4接收到控制指令后闭合，预充继电器K3接收到控制指令后断开，主正继电器K4和主负继电器K5均闭合后，反馈上电完成指令至整车端，该实施例在主回路的正极和负极各设置一个继电器，能够在其中一个继电器失效粘连后，通过另一个继电器将主回路切断，从而使主回路接口不带电，提高了车辆供电的安全性。
在又一可选实施方式中，若主正继电器K4失效粘连，主负继电器K5可正常断开，保证主回路接口不带电；若主负继电器K5失效粘连，主正继电器K4可正常断开，保证主回路接口不带电。
在又一可选实施方式中，参照图9，电池高压盒还包括第一低压接口D1、第二低压接口D2、电池模组管理单元BMU、 高电压电池系统HVB和电流传感器，第一低压接口D1与电池组中电池单体上设置的监测器连接，电池模组管理单元BMU通过第一低压接口D1接收监测器发送的电池监测信息，并将电池监测信息传输至第二低压接口D2，电流传感器用于监测回路电流，以防止回路过流。
在又一可选实施例中，参照图10，图10为整车端不带预充的架构简化示意图，在对外部负载进行预充的情况下，电池端的主负继电器K5闭合，整车端主正继电器闭合，然后电池端的预充继电器K3闭合为整车端X电容预充，预充完成后，电池端的主正继电器K4闭合，然后预充继电器K3断开，完成预充。
在又一可选实施例中，参照图11，图11为整车端带预充的架构简化示意图，在对外部负载进行预充的情况下，电池端的主负继电器K5闭合，预充继电器K3闭合执行假预充动作，假预充动作执行完成后，主正继电器K4闭合，然后整车端的预充继电器闭合为X电容进行预充，预充完成后，整车端的主正继电器闭合，然后整车端预充继电器断开。
本实施例中的电池高压盒还包括手动维修开关，手动维修开关的第一端与电池正接口连接，手动维修开关的第二端与主正受控开关模块的第一端和充电受控开关模块的第一端连接，能够通过手动维修开关将高压系统的电源断开，提高了车辆的安全性。
在一个可选实施例中，继续参照图2，电池高压盒还包括主回路正接口B1和主回路负接口B2。主回路正接口B1用于与外部负载连接器的正极连接。主回路负接口B2用于与外部负载连接器的负极连接。受控开关模块10包括主正受控开关模块101。主正受控开关模块101的第一端与电池正接口A1连接，主正受控开关模块101的第二端与主回路正接口B1连接。
该实施例中的电池高压盒包括主回路正接口和主回路负接口，受控开关模块包括主正受控开关模块，主正受控开关模块的第一端与电池正接口连接，主正受控开关模块的第二端与主回路正接口连接，能够在预充回路导通的情况下对外部负载进行预充，从而匹配带预充回路和不带预充回路的整车端，实现了对不同主机厂整车的兼容。
在一些实施例中，继续参照图4，预充回路20设置在输电主回路中的主正回路，预充回路20的第一端与主正受控开关模块101的第一端连接，预充回路20的第二端与主正受控开关模块101的第二端连接。
该实施例中预充回路的第一端与主正受控开关模块的第一端连接，预充回路的第二端与主正受控开关模块的第二端连接，能够在预充导通的情况下对外部负载进行预充，从而匹配带预充回路和不带预充回路的整车端，实现了对不同主机厂整车的兼容。
在一些实施例中，继续参照图2，电池高压盒还包括主回路正接B1口和主回路负接口B2。主回路正接口B1用于与外部负载连接器的正极连接，主回路负接口B2用于与外部负载连接器的负极连接。受控开关模块10包括主负受控开关模块102。主负受控开关模块102的第一端与电池负接口A2连接，主负受控开关模块102的第二端与主回路负接口B2连接。
该实施例中的电池高压盒包括主回路正接口、主回路负接口，受控开关模块包括主负受控开关模块，主负受控开关模块设置在主负回路，能够通过电池高压盒中与主负受控开关模块并联的预充回路对外部负载进行预充，从而匹配带预充回路和不带预充回路的整车端，实现了对不同主机厂整车的兼容。
在一些实施例中，继续参照图5，预充回路20设置在所述输电主回路中的主负回路，预充回路20的第一端与主负受控开关模块102的第一端连接，预充回路20的第二端与主负受控开关模块102的第二端连接。
该实施例中的预充回来设置在主负回路，预充回路与主负受控开关模块并联，能够通过电池高压盒中与主负受控开关模块并联的预充回路对外部负载进行预充，从而匹配带预充回路和不带预充回路的整车端，实现了对不同主机厂整车的兼容。
在一些实施例中，继续参照图3，电池高压盒还包括主回路正接口B1、主回路负接口B2，受控开关模块10包括主正受控开关模块101和主负受控开关模块102。主回路正接口B1用于与外部负载连接器的正极连接，主回路负接口B2用于与外部负载连接器的负极连接。主正受控开关模块101的第一端与电池正接口A1连接，主正受控开关模块101的第二端与主回路正接口B1连接。主负受控开关模块102的第一端与所述电池负接口A2连接，主负受控开关模块102的第二端与主回路负接口B2连接。
该实施例中的电池高压盒包括电池正接口、主回路正接口、电池负接口、主回路负接口和预充回路，受控开关模块包括主正受控开关模块和主负受控开关模，预充回路用于在整车端高压上电的过程中，将输电主回路导通为整车端进行预充；通过电池高压盒自带的预充回路对外部负载进行预充，解决了现有技术中有的主机厂商的整车带有预充回路，有的主机厂商的整车不带有预充回路，从而对电池包的类型需求不一致，导致同一类型电池包无法适用于不同主机厂的整车的技术问题，实现对不同主机厂整车的兼容。
在一个可选实施例中，继续参照图3，所述预充回路20设置在所述输电主回路中的主正回路，预充回路20的第一端与主正受控开关模块101的第一端连接，预充回路20的第二端与主正受控开关模块101的第二端连接；或预充回路20设置在所述输电主回路中的主负回路，预充回路20的第一端与主负受控开关模块102的第一端连接，预充回路20的第二端与主负受控开关模块102的第二端连接。预充回路20，用于在整车上高压电的过程中连通电池正接口A1与主回路正接口B1，并通过主负受控开关模块102将电池负接口A2与主回路负接口B2连通，以将输电主回路Z导通为整车端预充；或，在整车高压上电的过程中连通电池负接口A2与所述主回路负接口B2，并通过主负受控开关102将电池负接口A2与主回路负接口B2连通，以将所述输电主回路Z导通为整车预充。
该实施例中的预充回路设置输电主回路中的主正回路，或设置在输电主回路中的主负回路，能够在预充回路导通的情况下对外部负载进行预充，提高了外部负载上电的安全性。
在一些实施例中，继续参照图6，预充回路20包括预充开关模块201和预充电阻R。预充开关模块201的第一端与主正受控开关模块101的第一端连接，预充开关模块201的第二端与预充电阻R的第一端连接，预充电阻R的第二端与主正受控开关模块101的第二端连接，或预充开关模块201的第一端与主负受控开关模块102的第一端连接，预充开关模块201的第二端与预充电阻R的第一端连接，预充电阻R的第二端与主负受控开关模块102的第二端连接。
该实施例中预充回路包括预充开关模块和预充电阻，预充开关模块和预充电阻串联后与主正受控开关模块并联，或预充开关模块和预充电阻串联后与主负受控开关模块并联，能够在整车端高压上电的过程中，将输电主回路导通对外部负载进行预充，提高了整车端高压上电的安全性。
在一些实施例中，继续参照图7，所述电池高压盒还包括充电正开关模块30和充电负开关模块40，所述充电接口包括充电正接口C1和充电负接口C2。充电正开关模块30的第一端与电池正接口A1连接，充电正开关模块30的第二端与充电正接口C1连接。充电负开关模块40的第一端与电池负接口A2连接，充电负开关模块40的第二端与充电负接口C2连接。充电正开关模块30，用于在为电池组充电的过程中，连通充电正接口C1与所述电池正接口A1。充电负开关模块40，用于在为电池组充 电的过程中，连通充电负接口C2与电池负接口A2。
该实施例中电池高压盒包括充电正接口、充电负接口、充电正开关模块和充电负开关模块，充电正接口与充电正开关模块连接，充电正开关模块与电池正接口连接，充电负接口与充电负开关模块连接，充电负开关模块与电池负接口连接，充电正开关模块和充电负开关模块能够在整车端的电池组需要补充电能时，将充电回路导通为电池组充电，从而满足临时用电需求。
本申请实施例还提出一种电池包，所述电池包包括如上文所述的电池高压盒。
在一些实施例中，参照图12，电池包还包括电池组50和外部负载连接器60，电池组50的正极与电池正接口A1连接，电池组50的负极与电池负接口A2连接。外部负载连接器60的正极与主回路正接口B1连接，外部负载连接器60的负极与主回路负接口B2连接。外部负载连接器60在电池包在整车端的情况下，向外部负载供电。外部负载连接器60在电池包在换电站的情况下，传输换电站输入的电能为电池组50充电。
电池组可以是由若干电池单体通过串联或并联的方式获得的电池组。外部负载连接器可以是用于实现整车与电池包之间电气快速连接、分离的专用连接器。
作为一种实现方式，电池组50的正极与电池高压盒上的电池正接口A1连接，电池组50的负极与电池高压盒上的电池负接口A2连接，外部负载连接器60的正极与电池高压盒上的主回路正接口B1连接，外部负载连接器60的负极与电池高压盒上的主回路负接口B2连接；当电池包在整车端的情况下，外部负载连接器60用作放电接口向整车端供电；当电池包在换电站的情况下，外部负载连接器60用作充电接口为电池组充电，即外部负载连接器60既能作为充电接口，又能作为放电接口。
在一个可选实施例中，外部负载连接器60的数量可根据过流需求进行配置，若过流需求高，可配置多个外部负载连接器。
该实施例中的电池包包括电池组和外部负载连接器，电池组的正极与电池正接口连接，电池组的负极与电池负接口连接，外部负载连接器的正极与主回路正接口连接，外部负载连接器的负极与主回路负接口连接，外部负载连接器用于在电池包在整车端的情况下，向外部负载供电；在电池包在换电站的情况下，传输换电站输入的电能为电池组充电；外部负载连接器既能作为放电接口，又能作为充电接口，实现了充放电同口，降低了电池包的硬件成本。
在一些实施例中，参照图13，电池包还包括充电插座70。充电插座70的正极与充电正接口C1连接，充电插座70的负极与充电负接口C2连接。充电插座70用于传输充电枪输入的电能为电池组80充电。
充电插座可以是与外部充电设备相连接的插座。
作为一种实现方式，电池包包括充电插座70，充电插座70的正极与电池高压盒上的充电正接口C1连接，充电插座70的负极与电池高压盒上的充电负接口C2连接；在为电池组充电的情况下，充电枪与充电插座连接，通过充电回路将电能传输至电池正接口A1和电池负接口A2为电池组充电。
在一个可选实施例中，充电插座集成在电池包上，当车辆需要临时补电时，可通过充电插座进行插枪充电，充电插座的数量可根据充电时间需求配置，若充电时间需求短，则可配置多个充电插座，以提高充电速度。
该实施例中电池包还包括充电插座，充电插座的正极与充电正接口连接，充电插座的负极与充电负接口连接，将充电插座设置在电池包的壳体上，无需通过单独的外部负载连接器与整车端的底座建立连接，减少了外部负载连接器的使用数量，降低了硬件成本。
在一些实施例中，电池包还包括壳体，电池高压盒设于壳体内。外部负载连接器60和充电插座70设于壳体上。
作为一种实现方式，电池高压盒设置在电池包的壳体内，外部负载连接器60和充电插座70设置在壳体上。
在一个可选实施例中，参照图14，图14为电池包通过车载底座与整车端建立连接的示意图，电池组50包括多个电箱，每个电箱上设置有监测器CSC，各个电箱的CSC与第一低压接口D1连接，各个电箱的正极与电池正接口A1连接，各个电箱的负极与电池负接口A2连接，主回路正接口B1与外部负载连接器60的正极连接，主回路负接口B2与外部负载连接器60的负极连接，第二低压接口D2与BMU连接后与外部负载连接器上的低压接口连接，充电正接口C1与充电插座70的正极连接，充电负接口C2与充电插座70的负极连接，充电插座70的低压接口与第二低压接口D2连接，外部负载连接器60通过车载底座与整车端建立连接，为整车端供电；在另一个可选实施例中，参照图15，图15为电池包通过换电站底座与换电站充电机连接的示意图，外部负载连接器通过换电站底座与换电站充电机建立连接，换电站充电机通过外部负载连接器为电池组充电。
该实施例中外部负载连接器和充电插座设在壳体上，能够减少外部负载连接器的使用数量，降低了硬件成本。
为实现上述目的，本申请还提出一种车辆，所述车辆包括如上所述的电池包。该电池包的具体结构参照上述实施例，由于车辆采用了上述所有实施例的全部技术方案，因此至少具有上述实施例的技术方案所带来的所有有益效果，在此不再一一赘述。
以上所述仅为本申请的优选实施例，并非因此限制本申请的专利范围，凡是在本申请的实用新型构思下，利用本申请说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本申请的专利保护范围内。

Claims (20)

  1. 一种电池高压盒，用于连接所述电池与外部负载，其中，所述电池高压盒包括电池正接口、电池负接口、输电主回路、受控开关模块和预充回路；
    所述输电主回路分别与所述电池正接口以及所述电池负接口连接，所述受控开关模块设置在所述输电主回路上，所述预充回路与所述受控开关模块并联；
    所述预充回路，用于在导通的情况下对所述外部负载进行预充。
  2. 如权利要求1所述的电池高压盒，其中，所述电池高压盒还包括用于与外部负载连接器的正极连接的主回路正接口和用于与所述外部负载连接器的负极连接的主回路负接口。
  3. 如权利要求2所述的电池高压盒，其中，所述受控开关模块包括主正受控开关模块和/或主负受控开关模块，所述主正受控开关模块分别与所述电池正接口以及所述主回路正接口连接，所述主负受控开关模块分别与所述电池负接口以及所述主回路负接口连接。
  4. 如权利要求3所述的电池高压盒，其中，所述预充回路与所述受控开关模块并联包括所述预充回路与所述主正受控开关模块并联或所述预充回路与所述主正受控开关模块并联。
  5. 如权利要求1-4任一项所述的电池高压盒，其中，所述电池高压盒还包括用于与充电插座连接的充电接口。
  6. 如权利要求5所述的电池高压盒，其中，所述电池高压盒还包括充电正开关模块和充电负开关模块，所述充电接口包括充电正接口和充电负接口；
    所述充电正接口与所述充电正开关模块连接，所述充电正开关模块与所述电池正接口连接，所述充电负接口与所述充电负开关模块连接，所述充电负开关模块与所述电池负接口连接；
    所述充电正开关模块，用于在为电池组充电的过程中，将所述充电正接口与所述电池正接口连通；
    所述充电负开关模块，用于在为所述电池组充电的过程中，将所述充电负接口与所述电池负接口连通。
  7. 如权利要求6所述的电池高压盒，其中，所述电池高压盒还包括手动维修开关，所述手动维修开关的第一端与所述电池正接口连接，所述手动维修开关的第二端与所述充电正开关模块的第一端连接。
  8. 如权利要求1所述的电池高压盒，其中，所述电池高压盒还包括主回路正接口和主回路负接口，所述主回路正接口用于与外部负载连接器的正极连接，所述主回路负接口用于与外部负载连接器的负极连接，所述受控开关模块包括主正受控开关模块；
    所述主正受控开关模块的第一端与所述电池正接口连接，所述主正受控开关模块的第二端与所述主回路正接口连接。
  9. 如权利要求8所述的电池高压盒，其中，所述预充回路设置在所述输电主回路中的主正回路，所述预充回路的第一端与所述主正受控开关模块的第一端连接，所述预充回路的第二端与所述主正受控开关模块的第二端连接。
  10. 如权利要求1所述的电池高压盒，其中，所述电池高压盒还包括主回路正接口和主回路负接口，所述主回路正接口用于与外部负载连接器的正极连接，所述主回路负接口用于与外部负载连接器的负极连接，所述受控开关模块包括主负受控开关模块；
    所述主负受控开关模块的第一端与所述电池负接口连接，所述主负受控开关模块的第二端与所述主回路负接口连接。
  11. 如权利要求10所述的电池高压盒，其中，所述预充回路设置在所述输电主回路中的主负回路，所述预充回路的第一端与所述主负受控开关模块的第一端连接，所述预充回路的第二端与所述主负受控开关模块的第二端连接。
  12. 如权利要求1所述的电池高压盒，其中，所述电池高压盒还包括主回路正接口、主回路负接口，所述受控开关模块包括主正受控开关模块和主负受控开关模块，所述主回路正接口用于与外部负载连接器的正极连接，所述主回路负接口用于与外部负载连接器的负极连接；
    所述主正受控开关模块的第一端与所述电池正接口连接，所述主正受控开关模块的第二端与所述主回路正接口连接，所述主负受控开关模块的第一端与所述电池负接口连接，所述主负受控开关模块的第二端与所述主回路负接口连接。
  13. 如权利要求12所述的电池高压盒，其中，所述预充回路设置在所述输电主回路中的主正回路，所述预充回路的第一端与所述主正受控开关模块的第一端连接，所述预充回路的第二端与所述主正受控开关模块的第二端连接，或所述预充回路设置在所述输电主回路中的主负回路，所述预充回路的第一端与所述主负受控开关模块的第一端连接，所述预充回路的第二端与所述主负受控开关模块的第二端连接。
  14. 如权利要求3所述的电池高压盒，其中，所述预充回路包括预充开关模块和预充电阻；
    所述预充开关模块的第一端与所述主正受控开关模块的第一端连接，所述预充开关模块的第二端与所述预充电阻的第一端连接，所述预充电阻的第二端与所述主正受控开关模块的第二端连接，或所述预充开关模块的第一端与所述主负受控开关模块的第一端连接，所述预充开关模块的第二端与所述预充电阻的第一端连接，所述预充电阻的第二端与所述主负受控开关模块的第二端连接。
  15. 如权利要求5所述的电池高压盒，其中，所述电池高压盒还包括充电正开关模块和充电负开关模块，所述充电接口包括充电正接口和充电负接口；
    所述充电正开关模块的第一端与所述电池正接口连接，所述充电正开关模块的第二端与所述充电正接口连接，所述充电负开关模块的第一端与所述电池负接口连接，所述充电负开关模块的第二端与所述充电负接口连接；
    所述充电正开关模块，用于在为电池组充电的过程中，连通所述充电正接口与所述电池正接口；
    所述充电负开关模块，用于在为电池组充电的过程中，连通所述充电负接口与所述电池负接口。
  16. 一种电池包，其中，所述电池包包括如权利要求1-15任一项所述的电池高压盒。
  17. 如权利要求16所述的电池包，其中，所述电池包还包括电池组和外部负载连接器；
    所述电池组的正极与电池正接口连接，所述电池组的负极与电池负接口连接，所述外部负载连接器的正极与主回路正接口连接，所述外部负载连接器的负极与主回路负接口连接；
    所述外部负载连接器，用于在所述电池包在整车端的情况下，向外部负载供电；以及还用于在所述电池包在换电站的情况下，传输所述换电站输入的电能为所述电池组充电。
  18. 如权利要求17所述的电池包，其中，所述电池包还包括充电插座，所述充电插座的正极与充电正接口连接，所述充电插座的负极与充电负接口连接；
    所述充电插座，用于传输充电枪输入的电能为所述电池组充电。
  19. 如权利要求18所述的电池包，其中，所述电池包还包括壳体，所述电池高压盒设于所述壳体内； 所述外部负载连接器和充电插座均设于所述壳体上。
  20. 一种车辆，其中，所述车辆包括如权利要求16-19任一项所述的电池包。
PCT/CN2024/070639 2023-06-28 2024-01-04 电池高压盒、电池包及车辆 Ceased WO2025001041A1 (zh)

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