WO2024022510A1 - Système de charge et véhicule - Google Patents

Système de charge et véhicule Download PDF

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Publication number
WO2024022510A1
WO2024022510A1 PCT/CN2023/109914 CN2023109914W WO2024022510A1 WO 2024022510 A1 WO2024022510 A1 WO 2024022510A1 CN 2023109914 W CN2023109914 W CN 2023109914W WO 2024022510 A1 WO2024022510 A1 WO 2024022510A1
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WO
WIPO (PCT)
Prior art keywords
charging
voltage
switch
circuit
port
Prior art date
Application number
PCT/CN2023/109914
Other languages
English (en)
Chinese (zh)
Inventor
凌和平
闫磊
常东博
袁帅
李申
Original Assignee
比亚迪股份有限公司
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 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Publication of WO2024022510A1 publication Critical patent/WO2024022510A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/04—Regulation of charging current or voltage
    • H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/145—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M7/155—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M7/162—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only in a bridge configuration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the present disclosure relates to the field of charging technology, and in particular to a charging system and a vehicle.
  • the battery pack capacity of electric vehicles is getting higher and higher, and the driving range is getting longer and longer.
  • the charging speed of electric vehicles has become an issue of increasing concern.
  • the charging system in the related art has a technical problem of low charging rate.
  • a charging system and vehicle are compatible with charging equipment of different maximum output voltage platforms for fast charging, thereby improving charging efficiency and shortening charging time.
  • the present disclosure proposes a charging system.
  • the charging system includes: M charging ports. The first end of each charging port is connected to a charging device, where M is an integer greater than 1; lift a voltage circuit, the second end of each charging port is connected to the first end of the step-up and step-down circuit; a battery pack, the battery pack is connected to the second end of the step-up and step-down circuit; the controller, The controller is connected to the control end of the buck-boost circuit, and the controller is configured to: obtain the charging demand information of the battery pack and the output capability information of the charging equipment corresponding to each of the charging ports, and The buck-boost circuit is controlled according to the charging demand information and the output capability information to perform multi-gun charging.
  • the disclosed charging system through the setting of the voltage-boosting and bucking circuits, can control the voltage-boosting and bucking circuits for multi-gun charging according to the output capabilities of the charging equipment connected to the M charging ports, thereby being compatible with different maximum output voltages.
  • the platform's charging equipment allows for fast charging, which can improve charging efficiency and shorten charging time.
  • the present disclosure provides a vehicle including the above charging system.
  • the vehicle of the present disclosure can be compatible with charging equipment of different maximum output voltage platforms to facilitate rapid charging, thereby improving charging efficiency and shortening charging time.
  • Figure 1 is a schematic structural diagram of a charging system according to an embodiment of the present disclosure
  • Figure 2 is a schematic structural diagram of a buck-boost circuit according to the first specific embodiment of the present disclosure
  • FIG. 3 is a schematic structural diagram of a charging system according to a second specific embodiment of the present disclosure.
  • FIG. 4 is a schematic structural diagram of a charging system according to a third specific embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of a charging system according to a fourth specific embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a charging system according to a fifth specific embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a charging system according to a sixth specific embodiment of the present disclosure.
  • Figure 8 is a schematic diagram of working stage 1 of the charging system according to an embodiment of the present disclosure.
  • Figure 9 is a schematic diagram of the second working stage of the charging system according to an embodiment of the present disclosure.
  • Figure 10 is a schematic diagram of working stage 1 of the charging system according to another embodiment of the present disclosure.
  • Figure 11 is a schematic diagram of working stage 2 of the charging system according to another embodiment of the present disclosure.
  • Figure 12 is a working flow chart of a charging system according to a specific embodiment of the present disclosure.
  • FIG. 13 is a structural block diagram of a vehicle according to an embodiment of the present disclosure.
  • Figure 1 is a schematic structural diagram of a charging system according to an embodiment of the present disclosure.
  • each charging port is connected to the charging equipment, and the second end of each charging port is connected to the first end of the buck-boost circuit 3;
  • the battery pack 5 is connected to the second end of the buck-boost circuit 3;
  • the controller 4 is connected to the control end of the buck-boost circuit 3, and the controller 4 is configured to: obtain the charging demand information of the battery pack 5 and the output capability information of the charging equipment corresponding to each charging port, and according to the charging demand information and output capability The information controls the buck-boost circuit 3 for multi-gun charging.
  • M charging ports are used to connect M charging guns, and the M charging guns can respectively belong to N different charging devices, where N ⁇ M.
  • the controller 4 can obtain the charging demand information of the battery pack 5 (such as the charging demand voltage), and obtain the output capability information of the N charging devices (such as the highest output voltage, the highest output current, etc.), and according to the charging demand information and output
  • the capability information determines the charging control mode (such as single-gun fully open mode, single-gun boost mode, double-gun fully open mode, double-gun boost mode, etc.), and controls the boost and buck circuit 3 according to the charging control mode (such as full-gun boost mode). open control, boost and buck control, etc.).
  • the charging system of the embodiment of the present disclosure is compatible with charging equipment with different maximum output voltage platforms. Regardless of whether the charging voltage range of the charging equipment connected to the charging port is lower than or higher than the maximum allowable charging voltage of the battery pack 5, it can be used.
  • the corresponding charging mode realizes rapid charging of the battery pack 5, thereby improving the charging efficiency and shortening the charging time.
  • FIG. 2 is a schematic structural diagram of a charging system according to a first specific embodiment of the present disclosure.
  • each phase bridge arm is connected in parallel with the first capacitor C1.
  • the N-phase bridge arms are connected in parallel.
  • the first bus terminal after the N-phase bridge arms are connected in parallel is connected to the positive electrode of the battery pack 5.
  • the N-phase bridge arms are connected in parallel.
  • the second bus terminal is connected to the negative electrode of the battery pack 5, where N is a positive integer.
  • the N first inductors L1 are in one-to-one correspondence with the N-phase bridge arms.
  • the first end of each first inductor L1 is connected to the midpoint of the corresponding bridge arm.
  • the second end of each first inductor L1 is connected to the center point of each charging port.
  • the positive pole is connected, and the negative pole of each charging port is connected to the second bus terminal.
  • each phase bridge arm includes a first switch component and a second switch component, and the first switch component and the second switch component are connected in series.
  • the first switch component includes a first switch tube VT1 and a first diode VD1.
  • the second switch component includes a second switch tube VT2 and a second diode VD2.
  • the first diode VD1 and the first switch The tube VT1 is connected in parallel, and the second diode VD2 is connected in parallel with the second switching tube VT2.
  • the midpoint of each phase bridge arm is the connection point between the corresponding first switching tube VT1 and the second switching tube VT2.
  • the controller 4 is connected to the control terminals of the first switching tube VT1 and the second switching tube VT2, and is used to perform on-off control of the first switching tube VT1 and the second switching tube VT2.
  • the full-on, boost or step-down control of 3 of the step-up and step-down circuit is realized to adapt to different charging needs.
  • M switch circuits correspond to M charging ports one-to-one, and the switch circuits are connected between the buck-boost circuit 3 and the corresponding charging ports; the second capacitor C2 is connected between the second end of the first inductor L1 and the second bus terminal. time, it is configured to filter and stabilize the charging voltage input from each charging port.
  • the controller 4 is also connected to the control terminals of the M switch circuits for controlling the opening or closing of the M switch circuits.
  • the first switch circuit 61 corresponding to the first charging port 1 includes a contactor K4 and a contactor K7
  • the second switch corresponding to the second charging port 2 Circuit 61 includes contactor K5 and contactor K8.
  • the controller 4 when the battery pack 5 needs to be charged through the first charging port 1, the controller 4 needs to control K4 and K7 to close; when the battery pack 5 needs to be charged through the second charging port 1, the controller 4 needs to control K5 and K8 closure.
  • the controller 4 can also perform on-off control of VT1 and VT2 as needed to realize the step-up and step-down charging of the battery pack 5.
  • the charging system may also include a main positive contactor K2 and a precharge circuit 7 .
  • the main positive contactor K2 is connected between the positive electrode of the battery pack 5 and the first bus terminal;
  • the precharging circuit 7 includes a precharging contactor K3 and a precharging resistor R connected in series, and the precharging circuit is connected in parallel with the main positive contactor K2.
  • the charging system may also include
  • the main negative contactor K1 is connected between the negative electrode of the battery pack 5 and the second bus terminal.
  • FIG. 3 is a schematic structural diagram of the charging system according to the second specific embodiment of the present disclosure.
  • FIG. 4 is a schematic structural diagram of the charging system according to the third specific embodiment of the present disclosure.
  • the charging system also includes: a second inductor L2.
  • the second inductor L2 is connected between the first inductor L1 and the positive electrode of the target charging port, where the target charging port is any of the M charging ports. one.
  • the target charging port is the first charging port 1, see FIG. 3, the second inductor L2 is connected between the first inductor L1 and the positive electrode of the first charging port 1.
  • the target charging port is the second charging port 2, see FIG. 4, the second inductor L2 is connected between the first inductor L1 and the positive electrode of the second charging port 2.
  • the second inductor L2 it is possible to suppress the possible circulating current between the two charging devices connected to the two charging ports when the maximum output current is reached at the same time.
  • the charging system is used in a vehicle, the N-phase bridge arm multiplexes the N-phase control bridge arm in the motor controller of the vehicle, and the N first inductors L1 multiplex N motor coil inductors of the vehicle. Therefore, new devices can be reduced, hardware costs can be reduced, and the layout design of the buck-boost circuit 3 can be facilitated.
  • FIG. 5 is a schematic structural diagram of a charging system according to a fourth specific embodiment of the present disclosure.
  • the three-phase bridge arms are recorded as the first bridge arm, the second bridge arm and the third bridge arm respectively.
  • the first bridge arm consists of the switch tube VT1, the switch tube VT2, the diode VD1 and the diode It is composed of VD2
  • the second bridge arm is composed of switch tube VT3, switch tube VT4, diode VD3 and diode VD4
  • the third bridge arm is composed of switch tube VT5, switch tube VT6, diode VD5 and diode VD6.
  • the three inductors connected to the three-phase bridge arms can reuse the three motor coil inductors L3.
  • the charging system can reduce the use of devices by reusing motor electronic control components, thereby reducing costs and reducing the space occupied by the charging system.
  • the charging system also includes a switch (contactor K6 in Figure 5) connected between the N motor coil inductors L3 and the positive poles of the M charging ports.
  • the second capacitor C2 is connected Between the end of contactor K6 away from L3 and the second bus end.
  • the controller 4 can also be connected to the control end of the contactor K6 to control the on and off of the contactor K6.
  • the motor electronic control components can be reused in the charging system without affecting the normal drive control of the motor electronic control components. Specifically, when the vehicle is running normally, K6 is disconnected, and the motor coil inductor L3 and the 3-phase bridge arm are used for drive control; when the vehicle stops charging, K6 is closed to realize charging of the charging system.
  • FIG. 6 is a schematic structural diagram of a charging system according to a fifth specific embodiment of the present disclosure
  • FIG. 7 is a schematic structural diagram of a charging system according to a sixth specific embodiment of the present disclosure.
  • the charging demand information includes a demand charging voltage
  • the output capability information includes a maximum output voltage and a maximum output current
  • the controller 4 is further configured to:
  • the M switch circuits are controlled to be closed, and the voltage-boosting and bucking circuit 3 is controlled to be fully open;
  • the M switch circuits are controlled to be closed, and the voltage boosting and bucking circuit 3 is controlled to boost;
  • the maximum output voltage of the charging equipment corresponding to at least one charging port is greater than or equal to the demand charging voltage, and the maximum output voltage of charging corresponding to at least one charging port is less than the demand charging voltage
  • the maximum output voltage and the maximum The output current controls the opening or closing of M switch circuits and controls the voltage-boosting and bucking circuits 3 .
  • the charging device connected to the first charging port 1 is referred to as the first charging device
  • the charging device connected to the second charging port 2 is referred to as the second charging device.
  • the output capability information of the first charging device includes The first highest output voltage U1 and the first highest output current I1
  • the capability information of the second charging device includes the second highest output voltage U2 and the second highest output current I2
  • the required charging voltage is U0.
  • controller 4 is further configured to:
  • Controller 4 is also configured to:
  • the switch circuit corresponding to the first charging port 1 is controlled to be disconnected , the switch circuit corresponding to the second charging port 2 is closed, and the voltage-boosting and bucking circuit 3 is fully open; when the third charging power > the fourth charging power, that is, P3 > P4, the first charging port 1 and the second charging port 2 are controlled.
  • the first charging equipment fully opens to control the charging power and the dual-gun simultaneous boosting controls the charging power judgment process:
  • the first charging power P1 U0*I1
  • the second charging power P2 U2*(I1+I2), if P1>P2, then it is determined that the charging control mode is full-on control of the first charging device and no charging of the second charging device; If P1 ⁇ P2, the charging control mode is determined to be simultaneous voltage boost control of the first charging device and the second charging device.
  • the second charging device is fully open to control the charging power and the dual-gun simultaneous boost control charging power judgment process:
  • the charging equipment can obtain the charging demand voltage of the power battery; when the charging demand voltage > the maximum output voltage Umax of the charging equipment, the voltage step-down operation is performed by controlling the voltage-boosting and bucking circuit, so that The voltage of the charging port is below the maximum output voltage of the charging device.
  • FIG. 8 is a schematic diagram of the working stage 1 of the charging system according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram of the working stage 2 of the charging system according to an embodiment of the present disclosure.
  • the control switch VT2 is turned on, and the first charging circuit and the second charging circuit charge the inductor L1 at the same time.
  • the current flow direction of the first charging circuit is: the positive electrode of the first charging port 1 ⁇ Contactor K7 ⁇ First inductor L1 ⁇ Switching tube VT2 ⁇ Contactor K4 ⁇ Negative pole of first charging port 1
  • the current flow direction of the second charging circuit is: Positive pole of second charging port 2 ⁇ Contactor K8 ⁇ Inductor L1 ⁇ Switching tube VT2 ⁇ Contactor K5 ⁇ Negative pole of second charging port 2.
  • the control switch VT2 is turned off, and the first charging circuit and the second charging circuit simultaneously superimpose the voltage of the inductor L1 to charge the battery pack 5.
  • the current flow direction of the first charging circuit is: The positive pole of the first charging port 1 ⁇ contactor K7 ⁇ inductor L1 ⁇ diode VD1 ⁇ contactor K2 ⁇ battery pack 5 ⁇ contactor K1 ⁇ contactor K4 ⁇ the negative pole of the first charging port 1, the current flow direction of the second charging circuit is: second Positive electrode of charging port 2 ⁇ contactor K8 ⁇ inductor L1 ⁇ diode VD1 ⁇ contactor K2 ⁇ battery pack 5 ⁇ contactor K1 ⁇ contactor K5 ⁇ negative electrode of second charging port 2.
  • boost conversion can be achieved, thereby achieving simultaneous boost charging of both guns.
  • FIG. 10 is a schematic diagram of the working stage 1 of the charging system according to another embodiment of the present disclosure.
  • FIG. 11 is a schematic diagram of the working stage 2 of the charging system according to another embodiment of the present disclosure.
  • the control switch tubes VT2, VT4, and VT6 are turned on, and the first charging circuit and the second charging circuit charge the motor coil inductor L3 at the same time.
  • the current flow direction of the first charging circuit is: Positive pole of first charging port 1 ⁇ contactor K7 ⁇ switch K6 ⁇ motor coil inductor L3 ⁇ switching tubes VT2, VT4, VT6 ⁇ contactor K4 ⁇ negative pole of first charging port 1, the current flow direction of the second charging circuit is: second charging Positive pole of port 2 ⁇ contactor K8 ⁇ switch K6 ⁇ inductor L3 ⁇ switch tubes VT2, VT4, VT6 ⁇ contactor K5 ⁇ negative pole of second charging port 2.
  • the control switch tubes VT2, VT4, and VT6 are disconnected, and the first charging circuit and the second charging circuit simultaneously superimpose the voltage of the motor coil inductor L3 to charge the battery pack 5.
  • the current flow direction of the charging circuit is: positive pole of first charging port 1 ⁇ contactor K7 ⁇ switch K6 ⁇ motor coil inductor L3 ⁇ diode VD1, VD3, VD5 ⁇ contactor K2 ⁇ battery pack 5 ⁇ contactor K1 ⁇ contactor K4 ⁇ negative pole of first charging port 1, the current flow direction of the second charging circuit is: positive pole of second charging port 2 ⁇ contactor K8 ⁇ switch K6 ⁇ Motor coil inductance L3 ⁇ diodes VD1, VD3, VD5 ⁇ contactor K2 ⁇ battery pack 5 ⁇ contactor K1 ⁇ contactor K5 ⁇ negative pole of second charging port 2.
  • boost conversion can be achieved, thereby achieving simultaneous boost charging of both guns.
  • Figure 12 is a working flow chart of a charging system according to a specific embodiment of the present disclosure.
  • the charging gun connected to the first charging port 1 is the first charging gun
  • the charging gun connected to the second charging port 2 is the second charging gun
  • the first charging gun and the second charging gun belong to to the first charging device and the second charging device.
  • the workflow of the charging system includes:
  • S8 determine whether the maximum output voltage of the second charging device is higher than the maximum allowable charging voltage of the battery pack, if so, execute S9, otherwise execute S10;
  • S10 determine whether the full-open control charging power of the first charging device is greater than the dual-gun boost control charging power. If so, execute S11, otherwise execute S12;
  • the first charging device is fully open and the second charging device is not charging
  • S16 determine whether the full-open control charging power of the second charging device is greater than the dual-gun boost control charging power. If so, execute S17, otherwise execute S12;
  • the first charging device is not charging, and the second charging device is fully controlled.
  • the charging system of the embodiment of the present disclosure can select different charging control modes according to the output capabilities of multiple charging devices through the setting of the voltage boosting and bucking circuits, thereby being compatible with charging devices with different output voltage platforms for simultaneous rapid charging of multiple guns. , and at the same time, you can choose the most efficient way to charge, which helps to improve charging efficiency and shorten charging time.
  • FIG. 13 is a structural block diagram of a vehicle according to an embodiment of the present disclosure.
  • vehicle 100 includes the charging system 10 of the above example.
  • the vehicle in the embodiment of the present disclosure through the charging system of the above embodiment, can be compatible with charging equipment with different output voltage platforms for rapid charging with multiple guns at the same time. At the same time, the vehicle with the highest charging efficiency can be selected for charging, which helps to improve charging efficiency and shorten the charging time. Charging time.
  • a "computer-readable medium” may be any device that can contain, store, communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
  • Non-exhaustive list of computer readable media include the following: electrical connections with one or more wires (electronic device), portable computer disk cartridges (magnetic device), random access memory (RAM), Read-only memory (ROM), erasable and programmable read-only memory (EPROM or flash memory), fiber optic devices, and portable compact disc read-only memory (CDROM).
  • the computer-readable medium may even be paper or other suitable medium on which the program may be printed, as the program may be printed, for example, by optical scanning of the paper or other medium, followed by editing, interpretation, or in other suitable manner if necessary Processing to obtain a program electronically and then store it in computer memory.
  • various parts of the present disclosure may be implemented in hardware, software, firmware, or combinations thereof.
  • various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system.
  • a logic gate circuit with a logic gate circuit for implementing a logic function on a data signal.
  • Discrete logic circuits application specific integrated circuits with suitable combinational logic gates, programmable gate arrays (PGA), field programmable gate arrays (FPGA), etc.
  • first and second are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise expressly and specifically limited.
  • connection In this disclosure, unless otherwise explicitly stated and limited, the terms “installation”, “connection”, “connection”, “fixing” and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , or integrated into one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an interactive relationship between two elements, unless otherwise specified limitations. For those of ordinary skill in the art, the specific meanings of the above terms in this disclosure can be understood according to specific circumstances.
  • a first feature being “on” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features may be in indirect contact through an intermediary. touch.
  • the terms “above”, “above” and “above” the first feature is above the second feature may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is higher in level than the second feature.
  • "Below”, “below” and “beneath” the first feature to the second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature has a smaller horizontal height than the second feature.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

Système de charge et véhicule, se rapportant au domaine technique de la charge. Le système de charge comprend : M ports de charge, une première extrémité de chaque port de charge étant connectée à un dispositif de charge, et M étant un nombre entier supérieur à 1 ; un circuit abaisseur-élévateur, une seconde extrémité de chaque port de charge étant connectée à une première extrémité du circuit abaisseur-élévateur ; un bloc-batterie connecté à une seconde extrémité du circuit abaisseur-élévateur ; et un dispositif de commande connecté à une extrémité de commande du circuit abaisseur-élévateur et configuré pour : acquérir des informations de demande de charge du bloc-batterie et des informations de capacité de sortie d'un dispositif de charge correspondant à chaque port de charge, et commander le circuit abaisseur-élévateur en fonction des informations de demande de charge et des informations de capacité de sortie de façon à effectuer une charge multi-pistolet.
PCT/CN2023/109914 2022-07-29 2023-07-28 Système de charge et véhicule WO2024022510A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202222000885.8 2022-07-29
CN202222000885.8U CN218633424U (zh) 2022-07-29 2022-07-29 充电系统及车辆

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WO2024022510A1 true WO2024022510A1 (fr) 2024-02-01

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