WO2021012219A1 - 充放电电路、车载充放电***及充电、放电方法 - Google Patents

充放电电路、车载充放电***及充电、放电方法 Download PDF

Info

Publication number
WO2021012219A1
WO2021012219A1 PCT/CN2019/097531 CN2019097531W WO2021012219A1 WO 2021012219 A1 WO2021012219 A1 WO 2021012219A1 CN 2019097531 W CN2019097531 W CN 2019097531W WO 2021012219 A1 WO2021012219 A1 WO 2021012219A1
Authority
WO
WIPO (PCT)
Prior art keywords
switch
battery pack
circuit module
charging
power
Prior art date
Application number
PCT/CN2019/097531
Other languages
English (en)
French (fr)
Inventor
谢飞
赵德琦
吴壬华
Original Assignee
深圳欣锐科技股份有限公司
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 深圳欣锐科技股份有限公司 filed Critical 深圳欣锐科技股份有限公司
Priority to PCT/CN2019/097531 priority Critical patent/WO2021012219A1/zh
Priority to CN201980006911.6A priority patent/CN111556823B/zh
Publication of WO2021012219A1 publication Critical patent/WO2021012219A1/zh

Links

Images

Classifications

    • 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
    • B60L53/20—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 converters located in the vehicle
    • 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
    • B60L1/00—Supplying electric power to auxiliary equipment of 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • 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
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • 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
    • H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H—ELECTRICITY
    • 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
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • 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
    • B60L2210/00—Converter types
    • B60L2210/30—AC to DC converters
    • 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

  • This application relates to the field of circuit design, in particular to a charging and discharging circuit, a vehicle-mounted charging and discharging system, and a charging and discharging method.
  • the embodiments of the present application provide a charging and discharging circuit, a vehicle-mounted charging and discharging system, and a charging and discharging method.
  • the charging and discharging circuit adds multiple battery packs to enable the entire vehicle to obtain greater power, which can effectively increase the cruising range of electric vehicles and facilitate Long-distance travel for users brings convenience to users.
  • the first aspect of the embodiments of the application provides a charging and discharging circuit, which is applied to a vehicle charging and discharging system, and includes a rectifier circuit module, a voltage regulating circuit module, a first battery pack, a second battery pack, a first switch, a second switch, and a whole Vehicle controller, load, of which,
  • the rectifier circuit module is connected in series with the voltage regulating circuit module, the voltage regulating circuit module is connected to the first battery pack, the first battery pack is connected to the load, and the second battery pack passes through the second switch Connect the load and one end of the voltage regulating circuit module, the second battery pack is connected to the other end of the voltage regulating circuit module through the first switch, the voltage regulating circuit module and the first battery pack , The first switch, the second switch, and the second battery pack are all connected to the vehicle controller;
  • the first battery pack includes a first internal switch
  • the second battery pack includes a second internal switch
  • the vehicle controller is used to control the first switch, the second switch, and the first internal switch And the second internal switch
  • the vehicle controller is also used to control the voltage conversion rate of the voltage regulating circuit module
  • the vehicle controller When the vehicle is in a charging state, the vehicle controller is used to control the first switch and the second switch to open, the first internal switch is closed, and the rectifier circuit module is used to convert alternating current to direct current To charge the first battery pack; or, the vehicle controller is used to control the first switch and the first internal switch to open, and the second switch and the second internal switch to close, The rectifier circuit module is used to convert alternating current to direct current to charge the second battery pack; when the vehicle is in a driving state, the vehicle controller is used to control the first switch and the second switch Open, the first internal switch is closed, so that the first battery pack alone supplies power to the load; or, the vehicle controller is used to control the first switch and the first internal switch to open , The second switch and the second internal switch are closed, so that the second battery pack alone supplies power to the load; or, the vehicle controller is used to control the second switch to open, and the The first switch, the first internal switch and the second internal switch are closed, and the voltage regulating circuit module is used to convert the voltage of the second
  • the charging and discharging circuit further includes a first pre-charging circuit module, wherein,
  • the first pre-charging circuit module is connected in series between the first switch and the voltage regulating circuit module, and the first pre-charging circuit module is connected to the vehicle controller;
  • the first pre-charging circuit module is used to protect the voltage regulating circuit module.
  • the first pre-charging circuit module includes a first pre-charging resistor, a third switch, a first diode, and a second diode, wherein,
  • the first precharge resistor is connected in parallel with the third switch, one end of the first precharge resistor is connected to the second battery pack through the first switch, and the other end of the first precharge resistor is connected to the second battery pack.
  • the anode of a diode, the cathode of the first diode is connected to the voltage regulating circuit module, the cathode of the second diode is connected to the second battery pack through the first switch, the first The anodes of the two diodes are connected to the voltage regulating circuit module.
  • the voltage regulating circuit module includes a power factor control PFC circuit and a DC/DC circuit, wherein,
  • the power factor control PFC circuit is connected to the DC/DC circuit, the rectifier circuit module is connected in series with the power factor control PFC circuit, and the DC/DC circuit is connected to the first battery pack and passes through the second switch Connected to the second battery pack, the power factor control PFC circuit and the DC/DC circuit are connected to the vehicle controller;
  • the power factor control PFC circuit is used for power factor correction of the voltage, and the DC/DC circuit is used for adjusting the voltage value.
  • the charge and discharge circuit further includes a second precharge circuit module, the second precharge circuit includes a second precharge resistor, a fourth switch, and a fifth switch, and the rectifier circuit module includes a rectifier bridge ,among them,
  • the second precharge resistor is connected to an external input power source, the second precharge resistor is also connected in parallel with the fourth switch and then connected to the fifth switch, and the fifth switch is connected to the rectifier bridge;
  • the second precharge resistor is used to protect the rectifier circuit module, and when the entire vehicle is in a charging state, the fifth switch is used to control the connection or disconnection of the charging circuit.
  • the second aspect of the embodiments of the present application also provides a vehicle-mounted charging and discharging system, which includes an input power source and the above-mentioned charging and discharging circuit, wherein:
  • the input power source is connected to the rectifier circuit module, the rectifier circuit module is connected in series with the voltage regulating circuit module, the voltage regulating circuit module is connected to the first battery pack, and the first battery pack is connected to the load.
  • the second battery pack is connected to the load and one end of the voltage regulating circuit module through the second switch, and the second battery pack is connected to the other end of the voltage regulating circuit module through the first switch.
  • the voltage regulating circuit module, the first battery pack, the first switch, the second switch, and the second battery pack are all connected to the vehicle controller;
  • the first battery pack includes a first internal switch
  • the second battery pack includes a second internal switch
  • the vehicle controller is used to control the first switch, the second switch, and the first internal switch And the second internal switch
  • the input power supply supplies power to the first battery pack and the second battery pack
  • the vehicle controller is also used to control the voltage conversion rate of the voltage regulating circuit module
  • the vehicle controller When the vehicle is in a charging state, the vehicle controller is used to control the first switch and the second switch to open, the first internal switch is closed, and the rectifier circuit module is used to connect the input power supply and switch AC power is converted to DC power to charge the first battery pack; or, the vehicle controller is used to control the first switch and the first internal switch to be turned off, and the second switch and the second switch The internal switch is closed, and the rectifier circuit module is used to connect the input power supply and convert alternating current to direct current to charge the second battery pack; when the vehicle is in the driving state, the vehicle controller is used to control the The first switch and the second switch are opened, and the first internal switch is closed, so that the first battery pack alone supplies power to the load; or, the vehicle controller is used to control the first The switch and the first internal switch are disconnected, and the second switch and the second internal switch are closed, so that the second battery pack alone supplies power to the load; or, the vehicle controller is used to control The second switch is off, the first switch, the first internal switch, and the second internal
  • the third aspect of the embodiments of the present application also provides a charging method, which is applied to the above-mentioned vehicle charging and discharging system, and the method includes:
  • the first battery pack includes a first internal switch
  • the second battery pack includes a second internal switch. switch
  • control of the first internal switch and the second internal switch, as well as the second switch and the first switch, is performed on the first battery pack or the second battery pack Charging, including:
  • the first switch and the first internal switch are opened, the second switch and the second internal switch are closed, and the second battery pack is charged ;
  • the first battery pack or the second battery pack is charged according to a preset strategy, and the preset strategy includes a preset strategy The order of charging or the battery packs with better performance detected shall be charged first.
  • the fourth aspect of the embodiments of the present application also provides a discharging method, which is applied to the above-mentioned vehicle charging and discharging system, and the method includes:
  • the first battery pack and/or the second battery pack are controlled to supply power to the load according to the electric quantity, the first battery pack includes a first internal switch, and the second battery pack includes a second internal switch.
  • controlling the first battery pack and/or the second battery pack to supply power to the load according to the electric quantity includes:
  • the first switch and the second switch are opened, and the first internal switch is closed, Controlling the first battery pack to supply power to the load, and the preset amount of power is the minimum amount of power to supply power to the load;
  • the first switch and the first internal switch are opened, and the A second switch and the second internal switch to control the second battery pack to supply power to the load;
  • the second switch When the power of the first battery pack and the second battery pack is greater than the preset power, the second switch is opened, and the first switch, the first internal switch and the first switch are closed. Two internal switches to control the first battery pack and the second battery pack to simultaneously supply power to the load.
  • the charging and discharging circuit is applied to the vehicle charging and discharging system, including a rectifier circuit module, a voltage regulating circuit module, a first battery pack, a second battery pack, a first switch, a second switch, a vehicle controller, and a load,
  • the rectifier circuit module is connected in series with the voltage regulating circuit module
  • the voltage regulating circuit module is connected to the first battery pack
  • the first battery pack is connected to the load
  • the second battery pack passes through the first battery pack.
  • the battery pack, the first switch, the second switch, and the second battery pack are all connected to the vehicle controller;
  • the first battery pack includes a first internal switch, and the second battery pack includes a Two internal switches;
  • the vehicle controller is used to control the first switch, the second switch, the first internal switch, and the second internal switch;
  • the vehicle controller is also used to control the The voltage conversion rate of the voltage regulating circuit module; when the entire vehicle is in a charging state, the vehicle controller is used to control the first switch and the second switch to open, the first internal switch to close, and the rectifier
  • the circuit module is used to convert alternating current to direct current to charge the first battery pack; or, the vehicle controller is used to control the first switch and the first internal switch to turn off, and the second switch And the second internal switch is closed, the rectifier circuit module is used to convert alternating current to direct current to
  • multiple battery packs are used in the charging and discharging circuit in this application, which can realize the charging of multiple battery packs, so that the whole vehicle can obtain greater power, and can realize the simultaneous discharge of multiple battery packs through the voltage regulating circuit module, realizing different battery packs
  • the mixed use of increases the cruising range, facilitates long-distance driving, and brings convenience to users.
  • FIG. 1 is a schematic structural diagram of a charging and discharging circuit provided by an embodiment of the present application
  • FIG. 2 is a schematic structural diagram of another charging and discharging circuit provided by an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of another charging and discharging circuit provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a vehicle-mounted charging and discharging system provided by an embodiment of the present application.
  • FIG. 5 is a schematic flowchart of a charging method provided by an embodiment of the present application.
  • FIG. 6 is a schematic flowchart of a discharging method provided by an embodiment of the present application.
  • the most influencing electric vehicle is the replacement or charging of batteries.
  • Normal electric vehicles use a single battery pack.
  • the mains input charges the single battery pack through a rectifier current and a voltage regulating circuit.
  • the single battery pack provides power to the load.
  • the existing vehicle battery charging and discharging method can only realize the function of charging a single battery pack, cannot realize the mixed use of different battery packs, has a short cruising range, is not convenient for users to travel long distances, and cannot bring convenience to users.
  • a charging and discharging circuit an on-board charging and discharging system, and a charging and discharging method.
  • the charging and discharging circuit is applied to the on-board charging and discharging system and includes a rectifier circuit module, a voltage regulating circuit module, and a first battery.
  • the rectifier circuit module is connected in series with the voltage regulating circuit module, the voltage regulating circuit module is connected to the first battery pack, the first battery pack is connected to the load, and the second battery pack passes through the second switch
  • the load is connected to one end of the voltage regulating circuit module, the second battery pack is connected to the voltage regulating circuit module through the first switch, and the other end of the voltage regulating circuit module is connected to the first battery pack ,
  • the first switch, the second switch, and the second battery pack are all connected to the vehicle controller; the first battery pack includes a first internal switch, and the second battery pack includes a second internal switch.
  • the vehicle controller is used to control the first switch, the second switch, the first internal switch, and the second internal switch; the vehicle controller is also used to control the voltage regulation The voltage conversion rate of the circuit module; when the vehicle is in a charging state, the vehicle controller is used to control the first switch and the second switch to open, the first internal switch is closed, and the rectifier circuit module Used to convert alternating current to direct current to charge the first battery pack; or, the vehicle controller is used to control the first switch and the first internal switch to turn off, and the second switch and the The second internal switch is closed, and the rectifier circuit module is used to convert alternating current to direct current to charge the second battery pack; when the vehicle is in a driving state, the vehicle controller is used to control the first The switch and the second switch are disconnected, and the first internal switch is closed, so that the first battery pack alone supplies power to the load; or, the vehicle controller is used to control the first switch and the The first internal switch is open, and the second switch and the second internal switch are closed, so that the second battery pack alone supplies power to the load
  • multiple battery packs are used in the charging and discharging circuit in this application, which can realize the charging of multiple battery packs, so that the whole vehicle can obtain greater power, and can realize the simultaneous discharge of multiple battery packs through the voltage regulating circuit module, realizing different battery packs
  • the mixed use of increases the cruising range, facilitates long-distance driving, and brings convenience to users.
  • FIG. 1 is a schematic diagram of a charging and discharging circuit provided by an embodiment of the present application.
  • the charging and discharging circuit 100 is applied to a vehicle charging and discharging system and includes a rectifier circuit module 110, a voltage regulating circuit module 120, and a first battery pack 130.
  • the second battery pack 140, the first switch 150, the second switch 160, the vehicle controller 170, and the load 200 wherein:
  • the rectifier circuit module 110 is connected in series with the voltage regulating circuit module 120, the voltage regulating circuit module 120 is connected to the first battery pack 130, the first battery pack 130 is connected to the load 200, and the second battery pack 140 is connected to the load 200 and one end of the voltage regulating circuit module 120 through the second switch 160, and the second battery pack 140 is connected to the other end of the voltage regulating circuit module 120 through the first switch 150,
  • the voltage regulating circuit module 120, the first battery pack 130, the first switch 150, the second switch 160, and the second battery pack 140 are all connected to the vehicle controller 170;
  • the first battery pack 130 includes a first internal switch
  • the second battery pack 140 includes a second internal switch
  • the vehicle controller 170 is used to control the first switch 150, the second switch 160, The first internal switch and the second internal switch
  • the vehicle controller 170 is also used to control the voltage conversion rate of the voltage regulating circuit module 120;
  • the vehicle controller 170 When the vehicle is in a charging state, the vehicle controller 170 is used to control the first switch 150 and the second switch 160 to open, the first internal switch is closed, and the rectifier circuit module 110 is used for Convert AC power to DC power to charge the first battery pack 130; or, the vehicle controller 170 is used to control the first switch 150 and the first internal switch to be turned off, and the second switch 160 and the second internal switch are closed, and the rectifier circuit module 110 is used to convert alternating current to direct current to charge the second battery pack 140; when the vehicle is in the driving state, the vehicle controller 170 Used to control the opening of the first switch 150 and the second switch 160, and the first internal switch to close, so that the first battery pack 130 alone supplies power to the load 200; or, the vehicle The controller 170 is used to control the first switch 150 and the first internal switch to open, and the second switch 160 and the second internal switch to close, so as to realize that the second battery pack 140 is the The load 200 supplies power; or, the vehicle controller 170 is used to control the second switch 160
  • the second battery pack is an additional battery pack, and its capacity may be different from the capacity of the first battery pack, and the second battery pack may also be exactly the same as the first battery pack, so it is different
  • the voltage regulating module adjusts the charging voltage of different battery packs; and when the first battery pack and the second battery pack have charging requirements, the first battery pack is charged according to a preset strategy
  • One battery pack or the second battery pack is charged, and the preset strategy may include, but is not limited to, a preset charging sequence, or preferential charging of battery packs with better performance detected.
  • FIG. 2 is a schematic diagram of a charging and discharging circuit provided by an embodiment of the application.
  • the charging and discharging circuit further includes a first pre-charging circuit module 180, wherein:
  • the first pre-charging circuit module 180 is connected in series between the first switch 150 and the voltage regulating circuit module 120, and the first pre-charging circuit module 180 is connected to the vehicle controller 170;
  • the first pre-charging circuit module 180 is used to protect the voltage regulating circuit module 120.
  • one end of the first pre-charging circuit module 180 is connected to the second battery pack 140 through the first switch 150, and the second battery pack 140 is connected to the load through the second switch 160; the other end of the first pre-charging circuit module 180 is connected to the voltage regulator.
  • the circuit module 120 and the rectifier circuit module 110 are connected to the second pre-charging circuit module 190, and the voltage regulating circuit module 120 is connected to the first battery pack 130 and the load 200.
  • the first pre-charging circuit module 180 is connected in series between the second battery pack 140 and the voltage regulating circuit module 120 to prevent the moment when the first switch 150 is closed and the second battery pack is discharged when the whole vehicle is in the charging state.
  • the current causes damage to the voltage regulating circuit module 120 and the rectifying circuit module 110.
  • the first precharge circuit module 180 includes a first precharge resistor 181, a third switch 182, and a second Pole tube 183 and second diode 184, among which,
  • the first precharge resistor 181 is connected in parallel with the third switch 182, one end of the first precharge resistor 181 is connected to the second battery pack 140 through the first switch 150, and the first precharge resistor 181 The other end is connected to the anode of the first diode 183, the cathode of the first diode 183 is connected to the voltage regulating circuit module 120, and the cathode of the second diode 184 passes through the first switch 150.
  • the second battery pack 140 is connected, and the anode of the second diode 184 is connected to the voltage regulating circuit module 120.
  • One end of the first precharge resistor 181 is connected to the first switch 150 and then connected to the second battery pack 140, and the other end of the first precharge resistor 181 is connected to the anode of the first diode 183; the cathode of the second diode 184 passes through The first switch 150 is connected to the second battery pack 140.
  • first switch 150 and the second switch 160 may be single-pole switches or double-pole switches, as shown in FIG. 3, the first switch 150 and the second switch 160 are double-pole switches, and the first switch 150 includes K7 and K8, and the second switch 160 includes K9 and K10.
  • the first switch 150 is first closed to complete the precharging, and then the third switch 182 is closed.
  • the first pre-charging circuit 180 prevents the first switch 150 from being closed and the discharge current of the second battery pack 140 causes damage to the voltage regulating circuit module 120 and the rectifying circuit module 110;
  • the cathode of the second diode 184 is connected to the second battery pack 140 through the first switch 150 to avoid reverse connection of the second battery pack 140 to protect the circuit, and the circuit is simple, low in cost, and small in space.
  • the voltage regulating circuit module 120 includes a power factor control PFC circuit 121 and a DC/DC circuit 122, where:
  • the power factor control PFC circuit 121 is connected to the DC/DC circuit 122, the rectifier circuit module 110 is connected in series to the power factor control PFC circuit 121, and the DC/DC circuit 122 is connected to the first battery pack 130, and The second battery pack 140 is connected through the second switch 160, and the power factor control PFC circuit 121 and the DC/DC circuit 122 are connected to the vehicle controller 170;
  • the power factor control PFC circuit 121 is used for power factor correction of voltage, and the DC/DC circuit 122 is used for adjusting the voltage value.
  • the vehicle controller 170 controls the power factor control PFC circuit 121 and the DC/DC circuit 122 to adjust the charging voltage to adapt to the charging voltage of the first battery pack 130 or the second battery pack 140.
  • the vehicle controller 170 controls the power factor control PFC circuit 121 and the DC/DC circuit 122 to adjust the charging voltage so that the voltage range and other parameters of the second battery pack 140 are the same as those of the first battery pack 130. Load power supply.
  • adjusting the charging voltage or the discharging voltage of the second battery pack 140 through the power factor control PFC circuit 121 and the DC/DC circuit 122 can charge multiple different battery packs, increase the battery power of the entire vehicle, and It can discharge different battery packs at the same time, realize the mixed use of different battery packs, and increase the cruising range.
  • the charging and discharging circuit further includes a second precharging circuit module 190, the second precharging circuit module 190 is connected to the vehicle controller 170, and the second The precharge circuit module 190 includes a second precharge resistor 191, a fourth switch 192, and a fifth switch 193.
  • the rectifier circuit module 110 includes a rectifier bridge 111, wherein,
  • the second precharge resistor 191 is used to connect an external input power source, the second precharge resistor 191 is also connected in parallel with the fourth switch 192 and then connected to the fifth switch 193, and the fifth switch 193 is connected to the rectifier Bridge 111;
  • the second precharge resistor 191 is used to protect the rectifier circuit module 110, and when the entire vehicle is in a charging state, the fifth switch 193 is used to control the connection or disconnection of the charging circuit.
  • the second pre-charging circuit module 190 is connected to the detection circuit 400, and the detection circuit 400 is used to detect the charging circuit voltage.
  • the detection circuit 400 is used to detect the charging circuit voltage.
  • the second pre-charging circuit module when the entire vehicle is in a charging state, the second pre-charging circuit module is used to prevent the rectifier circuit module 110 from being damaged by the charging current of the input power at the moment when the fifth switch 193 is closed.
  • FIG. 4 is a schematic diagram of the vehicle-mounted charging and discharging system.
  • the input power source 300 is connected to the rectifier circuit module 110, the rectifier circuit module 110 is connected in series with the voltage regulating circuit module 120, and the voltage regulating circuit module 120 is connected to the first battery pack 130.
  • the first battery pack 130 is connected to the load 200
  • the second battery pack 140 is connected to the load 200 and one end of the voltage regulating circuit module 120 through the second switch 160, and the second battery pack 140 is connected through the first switch.
  • 150 is connected to the other end of the voltage regulating circuit module 120, the voltage regulating circuit module 120, the first battery pack 130, the first switch 150, the second switch 160, and the second battery pack 140 Are connected to the vehicle controller 170;
  • the first battery pack 130 includes a first internal switch
  • the second battery pack 140 includes a second internal switch
  • the vehicle controller 170 is used to control the first switch 150, the second switch 160, The first internal switch and the second internal switch
  • the input power source 300 supplies power to the first battery pack 130 and the second battery pack 140
  • the vehicle controller 170 is also used to control the The voltage conversion rate of the voltage regulating circuit module 120;
  • the vehicle controller 170 When the vehicle is in a charging state, the vehicle controller 170 is used to control the first switch 150 and the second switch 160 to open, the first internal switch is closed, and the rectifier circuit module 110 is used for Connect the input power source 300 and convert AC power to DC power to charge the first battery pack 130; or, the vehicle controller 170 is used to control the first switch 150 and the first internal switch to be turned off, The second switch 160 and the second internal switch are closed, and the rectifier circuit module 110 is used to connect the input power supply 300 and convert alternating current to direct current to charge the second battery pack 140;
  • the vehicle controller 170 When in the driving state, the vehicle controller 170 is used to control the first switch 150 and the second switch 160 to open, and the first internal switch to close, so that the first battery pack 130 alone
  • the load 200 provides power; or, the vehicle controller 170 is used to control the first switch 150 and the first internal switch to be disconnected, and the second switch 160 and the second internal switch to be closed to Realizing that the second battery pack 140 alone supplies power to the load 200
  • FIG. 5 is a schematic flowchart of the charging method. As shown in the figure, the charging method is applied to the above-mentioned vehicle charging and discharging system, and the method includes:
  • S501 When it is detected that the whole vehicle is in a charging state, determine the charging requirements of the first battery pack and the second battery pack, the first battery pack includes a first internal switch, and the second battery pack includes a first battery pack. Two internal switches;
  • S503 Control the first internal switch and the second internal switch, and the second switch and the first switch to charge the first battery pack or the second battery pack.
  • control of the first internal switch and the second internal switch, as well as the second switch and the first switch, is for the first battery pack or the second battery pack To charge, including:
  • the first switch and the first internal switch are opened, the second switch and the second internal switch are closed, and the second battery pack is charged ;
  • the first battery pack or the second battery pack is charged according to a preset strategy, and the preset strategy includes a preset strategy The order of charging or the battery packs with better performance detected shall be charged first.
  • FIG. 6 is a schematic flowchart of the discharge method. As shown in the figure, the discharge method is applied to the above-mentioned on-board charging and discharging system, and the method includes:
  • the first battery pack includes a first internal switch
  • the second battery pack includes a second internal switch. switch.
  • controlling the first battery pack and/or the second battery pack to supply power to the load according to the electric quantity includes:
  • the first switch and the second switch are opened, and the first internal switch is closed, Controlling the first battery pack to supply power to the load, and the preset amount of power is the minimum amount of power to supply power to the load;
  • the first switch and the first internal switch are opened, and the A second switch and the second internal switch to control the second battery pack to supply power to the load;
  • the second switch When the power of the first battery pack and the second battery pack is greater than the preset power, the second switch is opened, and the first switch, the first internal switch and the first switch are closed. Two internal switches to control the first battery pack and the second battery pack to simultaneously supply power to the load.
  • the disclosed device may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the above-mentioned units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or integrated To another system, or some features can be ignored, or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical or other forms.
  • the units described above as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • each unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the above-mentioned integrated unit can be implemented in the form of hardware or software functional unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

本申请公开了一种充放电电路、车载充放电***及充电、放电方法，充放电电路包括整流电路模块、调压电路模块、第一电池包、第二电池包、第一开关、第二开关、整车控制器、负载，其中，整流电路模块串联调压电路模块，调压电路模块连接第一电池包，第一电池包连接负载，第二电池包通过第二开关连接负载和调压电路模块的一端，第二电池包通过第一开关连接调压电路模块的另一端，调压电路模块、第一电池包、第一开关、第二开关、第二电池包均连接整车控制器。本申请实施例在充放电电路中采用多个电池包，实现了不同电池包的混用，使整车获得更大电量，增加续航里程，便于用户长途行驶，给用户带来便捷。

Description

充放电电路、车载充放电***及充电、放电方法 技术领域
本申请涉及电路设计领域，尤其涉及一种充放电电路、车载充放电***及充电、放电方法。
背景技术
近年来，随着能源的稀缺以及人们对环境意识的提高，越来越多的人选择购买电动汽车代替传统的燃油车，既经济又比较环保，但相比传统燃油车，电动汽车续航里程短和充电时间长，一直是个比较棘手的问题。如何增加整车的续航里程，使得电动车应用更加广泛，长期以来受到人们的广泛关注。
发明内容
本申请实施例提供一种充放电电路、车载充放电***及充电、放电方法，所述充放电电路加入多个电池包，使整车获得更大电量，可以有效增加电动汽车的续航里程，便于用户长途行驶，给用户带来便捷。
本申请实施例第一方面提供一种充放电电路，应用于车载充放电***，包括整流电路模块、调压电路模块、第一电池包、第二电池包、第一开关、第二开关、整车控制器、负载，其中，
所述整流电路模块串联所述调压电路模块，所述调压电路模块连接所述第一电池包，所述第一电池包连接所述负载，所述第二电池包通过所述第二开关连接所述负载和所述调压电路模块的一端，所述第二电池包通过所述第一开关连接所述调压电路模块的另一端，所述调压电路模块、所述第一电池包、所述第一开关、所述第二开关、所述第二电池包均连接所述整车控制器；
所述第一电池包包括第一内部开关，所述第二电池包包括第二内部开关；所述整车控制器用于控制所述第一开关、所述第二开关、所述第一内部开关以及所述第二内部开关；所述整车控制器还用于控制所述调压电路模块的电压转换率；
当整车处于充电状态时，所述整车控制器用于控制所述第一开关和所述第二开关断开，所述第一内部开关闭合，所述整流电路模块用于将交流电转换为直流电以实现对所述第一电池包充电；或，所述整车控制器用于控制所述第一开关和所述第一内部开关断开，所述第二开关和所述第二内部开关闭合，所述整流电路模块用于将交流电转换为直流电以实现对所述第二电池包充电；当整车处于行车状态时，所述整车控制器用于控制所述第一开关和所述第二开关断开，所述第一内部开关闭合，以实现所述第一电池包单独为所述负载供电；或，所述整车控制器用于控制所述第一开关和所述第一内部开关断开，所述第二开关和所述第二内部开关闭合，以实现所述第二电池包单独为所述负载供电；或，所述整车控制器用于控制所述第二开关断开，所述第一开关、所述第一内部开关和所述第二内部开关闭合，所述调压电路模块用于将所述第二电池包的电压转换为跟所述第一电池包相同，以实现所述第一电池包和所述第二电池包同时为所述负载供电。
在一个实施例中，所述充放电电路还包括第一预充电路模块，其中，
所述第一预充电路模块串联在所述第一开关和所述调压电路模块之间，所述第一预充电路模块连接所述整车控制器；
当所述第一电池包和所述第二电池包同时为所述负载供电时，所述第一预充电路模块用于保护所述调压电路模块。
在一个实施例中，所述第一预充电路模块包括第一预充电阻、第三开关、第一二极管和第二二极管，其中，
所述第一预充电阻与所述第三开关并联，所述第一预充电阻一端通过所述第一开关连接所述第二电池包，所述第一预充电阻另一端连接所述第一二极管的正极，所述第一二极管的负极连接所述调压电路模块，所述第二二极管的负极通过所述第一开关连接所述第二电池包，所述第二二极管的正极连接所述调压电路模块。
在一个实施例中，所述调压电路模块包括功率因数控制PFC电路和DC/DC电路，其中，
所述功率因数控制PFC电路连接所述DC/DC电路，所述整流电路模块串 联所述功率因数控制PFC电路，所述DC/DC电路连接所述第一电池包，并通过所述第二开关连接所述第二电池包，所述功率因数控制PFC电路和所述DC/DC电路连接所述整车控制器；
所述功率因数控制PFC电路用于电压的功率因数校正，所述DC/DC电路用于调整电压值。
在一个实施例中，所述充放电电路还包括第二预充电路模块，所述第二预充电路包括第二预充电阻、第四开关和第五开关，所述整流电路模块包括整流桥，其中，
所述第二预充电阻外接输入电源，所述第二预充电阻还与所述第四开关并联后连接所述第五开关，所述第五开关连接所述整流桥；
所述第二预充电阻用于保护所述整流电路模块，当整车处于充电状态时，所述第五开关用于控制充电电路的连接或断开。
本申请实施例第二方面还提供一种车载充放电***，包括输入电源，还包括上述充放电电路，其中，
所述输入电源连接所述整流电路模块，所述整流电路模块串联所述调压电路模块，所述调压电路模块连接所述第一电池包，所述第一电池包连接所述负载，所述第二电池包通过所述第二开关连接所述负载和所述调压电路模块的一端，所述第二电池包通过所述第一开关连接所述调压电路模块的另一端，所述调压电路模块、所述第一电池包、所述第一开关、所述第二开关、所述第二电池包均连接所述整车控制器；
所述第一电池包包括第一内部开关，所述第二电池包包括第二内部开关；所述整车控制器用于控制所述第一开关、所述第二开关、所述第一内部开关以及所述第二内部开关；所述输入电源为所述第一电池包和所述第二电池包供电，所述整车控制器还用于控制所述调压电路模块的电压转换率；
当整车处于充电状态时，所述整车控制器用于控制所述第一开关和所述第二开关断开，所述第一内部开关闭合，所述整流电路模块用于连接输入电源且将交流电转换为直流电以实现对所述第一电池包充电；或，所述整车控制器用于控制所述第一开关和所述第一内部开关断开，所述第二开关和所述第二内部 开关闭合，所述整流电路模块用于连接所述输入电源且将交流电转换为直流电以实现对所述第二电池包充电；当整车处于行车状态时，所述整车控制器用于控制所述第一开关和所述第二开关断开，所述第一内部开关闭合，以实现所述第一电池包单独为所述负载供电；或，所述整车控制器用于控制所述第一开关和所述第一内部开关断开，所述第二开关和所述第二内部开关闭合，以实现所述第二电池包单独为所述负载供电；或，所述整车控制器用于控制所述第二开关断开，所述第一开关、所述第一内部开关和所述第二内部开关闭合，所述调压电路模块用于将所述第二电池包的电压转换为跟所述第一电池包相同，以实现所述第一电池包和所述第二电池包同时为所述负载供电。
本申请实施例第三方面还提供一种充电方法，应用于上述车载充放电***，所述方法包括：
当检测到整车处于充电状态时，确定所述第一电池包和所述第二电池包的充电需求，所述第一电池包包括第一内部开关，所述第二电池包包括第二内部开关；
根据所述充电需求控制所述整流电路模块和所述调压电路模块将充电电压调至预设充电电压；
控制所述第一内部开关和所述第二内部开关以及所述第二开关和所述第一开关，对所述第一电池包或所述第二电池包进行充电。
在一个实施例中，所述控制所述第一内部开关和所述第二内部开关以及所述第二开关和所述第一开关，对所述第一电池包或所述第二电池包进行充电，包括：
当所述第一电池包有充电需求时，断开所述第一开关和所述第二开关，闭合所述第一内部开关，对所述第一电池包充电；
当所述第二电池包有充电需求时，断开所述第一开关和所述第一内部开关，闭合所述第二开关和所述第二内部开关，对所述第二电池包进行充电；
当所述第一电池包和所述第二电池包均有充电需求时，根据预设策略为所述第一电池包或所述第二电池包进行充电，所述预设策略包括预先设置的充电先后顺序或对检测出性能较优的电池包优先充电。
本申请实施例第四方面还提供一种放电方法，应用于上述车载充放电***，所述方法包括：
当检测到所述负载的供电需求时，检测所述第一电池包和所述第二电池包的电量；
根据所述电量控制所述第一电池包和/或所述第二电池包为所述负载供电，所述第一电池包包括第一内部开关，所述第二电池包包括第二内部开关。
在一个实施例中，所述根据所述电量控制所述第一电池包和/或所述第二电池包为所述负载供电，包括：
当所述第一电池包的电量大于预设电量，所述第二电池包的电量小于预设电量时，断开所述第一开关和所述第二开关，闭合所述第一内部开关，以控制所述第一电池包为所述负载供电，所述预设电量为给所述负载供电的最小电量；
当所述第一电池包的电量小于所述预设电量，所述第二电池包的电量大于所述预设电量时，断开所述第一开关和所述第一内部开关，闭合所述第二开关和所述第二内部开关，以控制所述第二电池包为所述负载供电；
当所述第一电池包和所述第二电池包的电量均大于所述预设电量时，断开所述第二开关，闭合所述第一开关、所述第一内部开关和所述第二内部开关，以控制所述第一电池包和所述第二电池包同时为所述负载供电。
在本申请中，充放电电路应用于车载充放电***，包括整流电路模块、调压电路模块、第一电池包、第二电池包、第一开关、第二开关、整车控制器、负载，其中，所述整流电路模块串联所述调压电路模块，所述调压电路模块连接所述第一电池包，所述第一电池包连接所述负载，所述第二电池包通过所述第二开关连接所述负载和所述调压电路模块的一端，所述第二电池包通过所述第一开关连接所述调压电路模块，所述调压电路模块的另一端、所述第一电池包、所述第一开关、所述第二开关以及所述第二电池包均连接所述整车控制器；所述第一电池包包括第一内部开关，所述第二电池包包括第二内部开关；所述整车控制器用于控制所述第一开关、所述第二开关、所述第一内部开关以及所述第二内部开关；所述整车控制器还用于控制所述调压电路模块的电压转换率；当整车处于充电状态时，所述整车控制器用于控制所述第一开关和所述第二开 关断开，所述第一内部开关闭合，所述整流电路模块用于将交流电转换为直流电以实现对所述第一电池包充电；或，所述整车控制器用于控制所述第一开关和所述第一内部开关断开，所述第二开关和所述第二内部开关闭合，所述整流电路模块用于将交流电转换为直流电以实现对所述第二电池包充电；当整车处于行车状态时，所述整车控制器用于控制所述第一开关和所述第二开关断开，所述第一内部开关闭合，以实现所述第一电池包单独为所述负载供电；或，所述整车控制器用于控制所述第一开关和所述第一内部开关断开，所述第二开关和所述第二内部开关闭合，以实现所述第二电池包单独为所述负载供电；或，所述整车控制器用于控制所述第二开关断开，所述第一开关、所述第一内部开关和所述第二内部开关闭合，所述调压电路模块用于将所述第二电池包的电压转换为跟所述第一电池包相同，以实现所述第一电池包和所述第二电池包同时为所述负载供电。可见，本申请中在充放电电路中采用多个电池包，能够实现多电池包充电，使整车获得更大电量，且能够通过调压电路模块实现多电池包同时放电，实现了不同电池包的混用，增加续航里程，便于用户长途行驶，给用户带来便捷。
本申请的这些方面或其他方面在以下实施例的描述中会更加简明易懂。
附图说明
为了更清楚地说明本申请实施例或背景技术中的技术方案，下面将对本申请实施例或背景技术中所涉及到的附图作简单地介绍。
下面将对本申请实施例所涉及到的附图作简单地介绍。
图1是本申请实施例提供的一种充放电电路的结构示意图；
图2是本申请实施例提供的另一种充放电电路的结构示意图；
图3是本申请实施例提供的又一种充放电电路的结构示意图；
图4是本申请实施例提供的一种车载充放电***的示意图；
图5是本申请实施例提供的一种充电方法的流程示意图；
图6是本申请实施例提供的一种放电方法的流程示意图。
具体实施方式
为了使本技术领域的人员更好地理解本申请方案，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分的实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本申请保护的范围。
以下分别进行详细说明。
本申请的说明书和权利要求书及所述附图中的术语“第一”、“第二”、“第三”和“第四”等是用于区别不同对象，而不是用于描述特定顺序。此外，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。例如包含了一系列步骤或单元的过程、方法、***、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。
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。
在常用的纯电动汽车中，最影响电动汽车的是蓄电池的更换或充电。通常的电动汽车都是采用单一电池包，市电输入通过整流电流和调压电路对单一电池包充电，当车辆负载有供电需求时，单一电池包为负载供电。现有的车载电池充放电方法只能实现为单一电池包充电的功能，不能实现不同电池包的混用，续航里程短，不便于用户长途行驶，不能给用户带来便捷。
针对上述问题，本申请实施例提出一种充放电电路、车载充放电***及充电、放电方法，所述充放电电路应用于车载充放电***，包括整流电路模块、调压电路模块、第一电池包、第二电池包、第一开关、第二开关、整车控制器和负载，其中，
所述整流电路模块串联所述调压电路模块，所述调压电路模块连接所述第 一电池包，所述第一电池包连接所述负载，所述第二电池包通过所述第二开关连接所述负载和所述调压电路模块的一端，所述第二电池包通过所述第一开关连接所述调压电路模块，所述调压电路模块的另一端、所述第一电池包、所述第一开关、所述第二开关、所述第二电池包均连接所述整车控制器；所述第一电池包包括第一内部开关，所述第二电池包包括第二内部开关；所述整车控制器用于控制所述第一开关、所述第二开关、所述第一内部开关以及所述第二内部开关；所述整车控制器还用于控制所述调压电路模块的电压转换率；当整车处于充电状态时，所述整车控制器用于控制所述第一开关和所述第二开关断开，所述第一内部开关闭合，所述整流电路模块用于将交流电转换为直流电以实现对所述第一电池包充电；或，所述整车控制器用于控制所述第一开关和所述第一内部开关断开，所述第二开关和所述第二内部开关闭合，所述整流电路模块用于将交流电转换为直流电以实现对所述第二电池包充电；当整车处于行车状态时，所述整车控制器用于控制所述第一开关和所述第二开关断开，所述第一内部开关闭合，以实现所述第一电池包单独为所述负载供电；或，所述整车控制器用于控制所述第一开关和所述第一内部开关断开，所述第二开关和所述第二内部开关闭合，以实现所述第二电池包单独为所述负载供电；或，所述整车控制器用于控制所述第二开关断开，所述第一开关、所述第一内部开关和所述第二内部开关闭合，所述调压电路模块用于将所述第二电池包的电压转换为跟所述第一电池包相同，以实现所述第一电池包和所述第二电池包同时为所述负载供电。可见，本申请中在充放电电路中采用多个电池包，能够实现多电池包充电，使整车获得更大电量，且能够通过调压电路模块实现多电池包同时放电，实现了不同电池包的混用，增加续航里程，便于用户长途行驶，给用户带来便捷。
下面结合附图对本申请实施例进行介绍。
请参阅图1，图1是本申请实施例提供的一种充放电电路的示意图，该充放电电路100应用于车载充放电***，包括整流电路模块110、调压电路模块120、第一电池包130、第二电池包140、第一开关150、第二开关160、整车控制器170、负载200，其中，
所述整流电路模块110串联所述调压电路模块120，所述调压电路模块120连接所述第一电池包130，所述第一电池包130连接所述负载200，所述第二电池包140通过所述第二开关160连接所述负载200和所述调压电路模块120的一端，所述第二电池包140通过所述第一开关150连接所述调压电路模块120的另一端，所述调压电路模块120、所述第一电池包130、所述第一开关150、所述第二开关160、所述第二电池包140均连接所述整车控制器170；
所述第一电池包130包括第一内部开关，所述第二电池包140包括第二内部开关；所述整车控制器170用于控制所述第一开关150、所述第二开关160、所述第一内部开关以及所述第二内部开关；所述整车控制器170还用于控制所述调压电路模块120的电压转换率；
当整车处于充电状态时，所述整车控制器170用于控制所述第一开关150和所述第二开关160断开，所述第一内部开关闭合，所述整流电路模块110用于将交流电转换为直流电以实现对所述第一电池包130充电；或，所述整车控制器170用于控制所述第一开关150和所述第一内部开关断开，所述第二开关160和所述第二内部开关闭合，所述整流电路模块110用于将交流电转换为直流电以实现对所述第二电池包140充电；当整车处于行车状态时，所述整车控制器170用于控制所述第一开关150和所述第二开关160断开，所述第一内部开关闭合，以实现所述第一电池包130单独为所述负载200供电；或，所述整车控制器170用于控制所述第一开关150和所述第一内部开关断开，所述第二开关160和所述第二内部开关闭合，以实现所述第二电池包140单独为所述负载200供电；或，所述整车控制器170用于控制所述第二开关160断开，所述第一开关150、所述第一内部开关和所述第二内部开关闭合，所述调压电路模块120用于将所述第二电池包140的电压转换为跟所述第一电池包130相同，以实现所述第一电池包130和所述第二电池包140同时为所述负载200供电。
其中，所述第二电池包作为额外增加的一个电池包，其容量与所述第一电池包的容量可不同，所述第二电池包也可以和所述第一电池包完全相同，因此不同的电池包在充电时，调压模块根据不同的电池包的充电电压进行调整；且当所述第一电池包和所述第二电池包均有充电需求时，根据预设策略为所述第 一电池包或所述第二电池包进行充电，所述预设策略可以包括但不限于预先设置的充电先后顺序，或者对检测出性能较优的电池包优先充电。
可见，本示例中，通过增加第二电池包140能够实现对不同电池包充电，使整车获得更大电量，且能够实现不同电池包单独放电和通过调压电路模块120实现多电池包同时放电，实现了不同电池包的混用，增加了续航里程。
作为一种可能的实施方式，请参阅图2，图2为本申请实施例提供的一种充放电电路的示意图，所述充放电电路还包括第一预充电路模块180，其中，
所述第一预充电路模块180串联在所述第一开关150和所述调压电路模块120之间，所述第一预充电路模块180连接所述整车控制器170；
当所述第一电池包130和所述第二电池包140同时为所述负载200供电时，所述第一预充电路模块180用于保护所述调压电路模块120。
其中，第一预充电路模块180一端通过第一开关150连接所述第二电池包140，第二电池包140通过第二开关160连接负载；第一预充电路模块180的另一端连接调压电路模块120和整流电路模块110，整流电路模块110连接第二预充电路模块190，所述调压电路模块120连接第一电池包130和负载200。当第二电池包140和第一电池包130同时为负载200供电，第一开关150闭合时，先通过第一预充电路模块180对电路进行预充电。
可见，本示例中，第一预充电路模块180串联在第二电池包140和调压电路模块120之间，在整车处于充电状态时，防止第一开关150闭合瞬间，第二电池包放电电流对调压电路模块120和整流电路模块110造成损坏。
作为一种可能的实施方式，请参阅图3，图3为一种充放电电路的结构示意图，所述第一预充电路模块180包括第一预充电阻181、第三开关182、第一二极管183和第二二极管184，其中，
所述第一预充电阻181与所述第三开关182并联，所述第一预充电阻181一端通过所述第一开关150连接所述第二电池包140，所述第一预充电阻181另一端连接所述第一二极管183的正极，所述第一二极管183的负极连接所述调压电路模块120，所述第二二极管184的负极通过所述第一开关150连接所述第二电池包140，所述第二二极管184的正极连接所述调压电路模块120。
其中，第一预充电阻181一端连接第一开关150后再连接第二电池包140，第一预充电阻181另一端连接第一二极管183的正极；第二二极管184的负极通过第一开关150连接第二电池包140。
其中，所述第一开关150和所述第二开关160可以为单刀开关，也可以为双刀开关，如图3，第一开关150和所述第二开关160为双刀开关，第一开关150包括K7和K8，第二开关160包括K9和K10。
在整车处于行车状态，第二电池包140和第一电池包130同时为负载200供电时，先闭合第一开关150，完成预充，再闭合第三开关182。
可见，本示例中，在整车处于行车状态时，通过第一预充电路180防止第一开关150闭合瞬间，第二电池包140放电电流对调压电路模块120和整流电路模块110造成损坏；第二二极管184的负极通过第一开关150连接第二电池包140，避免第二电池包140反接，以保护电路，且电路简单，成本低，占用空间小。
作为一种可能的实施方式，请参阅图3，所述调压电路模块120包括功率因数控制PFC电路121和DC/DC电路122，其中，
所述功率因数控制PFC电路121连接所述DC/DC电路122，所述整流电路模块110串联所述功率因数控制PFC电路121，所述DC/DC电路122连接所述第一电池包130，并通过所述第二开关160连接所述第二电池包140，所述功率因数控制PFC电路121和所述DC/DC电路122连接所述整车控制器170；
所述功率因数控制PFC电路121用于电压的功率因数校正，所述DC/DC电路122用于调整电压值。
其中，整车处于充电状态时，整车控制器170控制功率因数控制PFC电路121和DC/DC电路122调整充电电压以适配第一电池包130或第二电池包140的充电电压。整车处于放电状态时，整车控制器170控制功率因数控制PFC电路121和DC/DC电路122调整充电电压以使第二电池包140的电压范围等参数与第一电池包130相同，共同为负载供电。
可见，本示例中，通过功率因数控制PFC电路121和DC/DC电路122调整充电电压或第二电池包140的放电电压，能够实现对多个不同电池包充电， 增加整车的电池电量，且能够实现不同电池包同时放电，实现了不同电池包的混用，增加了续航里程。
作为一种可能的实施方式，请参阅图3，所述充放电电路还包括第二预充电路模块190，所述第二预充电路模块190连接所述整车控制器170，所述第二预充电路模块190包括第二预充电阻191、第四开关192和第五开关193，所述整流电路模块110包括整流桥111，其中，
所述第二预充电阻191用于外接输入电源，所述第二预充电阻191还与所述第四开关192并联后连接所述第五开关193，所述第五开关193连接所述整流桥111；
所述第二预充电阻191用于保护所述整流电路模块110，当整车处于充电状态时，所述第五开关193用于控制充电电路的连接或断开。
其中，第二预充电路模块190连接检测电路400，检测电路400用于检测充电电路电压。在整车处于充电状态时，先闭合第四开关192，完成预充后，再闭合第五开关193；实现多个电池包同时为负载200供电，通过第五开关193控制连接或断开充电电路。
可见，本示例中，在整车处于充电状态时，所述第二预充电路模块用于防止第五开关193闭合瞬间，输入电源的充电电流对整流电路模块110造成损坏。
本申请实施例还提供一种车载充放电***，请参阅图4，图4为车载充放电***的示意图，所述车载充放电***包括上述充放电电路，其中，
所述输入电源300连接所述整流电路模块110，所述整流电路模块110串联所述调压电路模块120，所述调压电路模块120连接所述第一电池包130，所述第一电池包130连接所述负载200，所述第二电池包140通过所述第二开关160连接所述负载200以及所述调压电路模块120的一端，所述第二电池包140通过所述第一开关150连接所述调压电路模块120的另一端，所述调压电路模块120、所述第一电池包130、所述第一开关150、所述第二开关160、所述第二电池包140均连接所述整车控制器170；
所述第一电池包130包括第一内部开关，所述第二电池包140包括第二内部开关；所述整车控制器170用于控制所述第一开关150、所述第二开关160、 所述第一内部开关以及所述第二内部开关；所述输入电源300为所述第一电池包130和所述第二电池包140供电，所述整车控制器170还用于控制所述调压电路模块120的电压转换率；
当整车处于充电状态时，所述整车控制器170用于控制所述第一开关150和所述第二开关160断开，所述第一内部开关闭合，所述整流电路模块110用于连接输入电源300且将交流电转换为直流电以实现对所述第一电池包130充电；或，所述整车控制器170用于控制所述第一开关150和所述第一内部开关断开，所述第二开关160和所述第二内部开关闭合，所述整流电路模块110用于连接所述输入电源300且将交流电转换为直流电以实现对所述第二电池包140充电；当整车处于行车状态时，所述整车控制器170用于控制所述第一开关150和所述第二开关160断开，所述第一内部开关闭合，以实现所述第一电池包130单独为所述负载200供电；或，所述整车控制器170用于控制所述第一开关150和所述第一内部开关断开，所述第二开关160和所述第二内部开关闭合，以实现所述第二电池包140单独为所述负载200供电；或，所述整车控制器170用于控制所述第二开关160断开，所述第一开关150、所述第一内部开关和所述第二内部开关闭合，所述调压电路模块120用于将所述第二电池包140的电压转换为跟所述第一电池包130相同，以实现所述第一电池包130和所述第二电池包140同时为所述负载200供电。
本申请实施例还提供一种充电方法，请参阅图5，图5为所述充电方法的流程示意图，如图所示，本充电方法应用于上述车载充放电***，所述方法包括：
S501,当检测到整车处于充电状态时，确定所述第一电池包和所述第二电池包的充电需求，所述第一电池包包括第一内部开关，所述第二电池包包括第二内部开关；
S502,根据所述充电需求控制所述整流电路模块和所述调压电路模块将充电电压调至预设充电电压；
S503，控制所述第一内部开关和所述第二内部开关以及所述第二开关和所述第一开关，对所述第一电池包或所述第二电池包进行充电。
在一个可能的示例中，所述控制所述第一内部开关和所述第二内部开关以及所述第二开关和所述第一开关，对所述第一电池包或所述第二电池包进行充电，包括：
当所述第一电池包有充电需求时，断开所述第一开关和所述第二开关，闭合所述第一内部开关，对所述第一电池包充电；
当所述第二电池包有充电需求时，断开所述第一开关和所述第一内部开关，闭合所述第二开关和所述第二内部开关，对所述第二电池包进行充电；
当所述第一电池包和所述第二电池包均有充电需求时，根据预设策略为所述第一电池包或所述第二电池包进行充电，所述预设策略包括预先设置的充电先后顺序或对检测出性能较优的电池包优先充电。
本申请实施例还提供一种放电方法，请参阅图6，图6为所述放电方法的流程示意图，如图所示，本放电方法应用于上述车载充放电***，所述方法包括：
S601,当检测到所述负载的供电需求时，检测所述第一电池包和所述第二电池包的电量；
S602,根据所述电量控制所述第一电池包和/或所述第二电池包为所述负载供电，所述第一电池包包括第一内部开关，所述第二电池包包括第二内部开关。
在一个可能的示例中，所述根据所述电量控制所述第一电池包和/或所述第二电池包为所述负载供电包括：
当所述第一电池包的电量大于预设电量，所述第二电池包的电量小于预设电量时，断开所述第一开关和所述第二开关，闭合所述第一内部开关，以控制所述第一电池包为所述负载供电，所述预设电量为给所述负载供电的最小电量；
当所述第一电池包的电量小于所述预设电量，所述第二电池包的电量大于所述预设电量时，断开所述第一开关和所述第一内部开关，闭合所述第二开关和所述第二内部开关，以控制所述第二电池包为所述负载供电；
当所述第一电池包和所述第二电池包的电量均大于所述预设电量时，断开所述第二开关，闭合所述第一开关、所述第一内部开关和所述第二内部开关，以控制所述第一电池包和所述第二电池包同时为所述负载供电。
需要说明的是，对于前述的各申请实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本申请并不受所描述的动作顺序的限制，因为依据本申请，某些步骤可以采用其他顺序或者同时进行。其次，本领域技术人员也应该知悉，说明书中所描述的实施例均属于优选实施例，所涉及的动作和模块并不一定是本申请所必须的。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
在本申请所提供的几个实施例中，应该理解到，所揭露的装置，可通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如上述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个***，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性或其它的形式。
上述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
以上对本申请实施例进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请及其核心思想；同时，对于本领域的一般技术人员，依据本申请的思想，在具体实现方式及应用范围上均会有改变之处，综上上述，本说明书内容不应理解为对本申请的限制。

Claims (10)

  1. 一种充放电电路，其特征在于，包括整流电路模块、调压电路模块、第一电池包、第二电池包、第一开关、第二开关、整车控制器、负载，其中，
    所述整流电路模块串联所述调压电路模块，所述调压电路模块连接所述第一电池包，所述第一电池包连接所述负载，所述第二电池包通过所述第二开关连接所述负载以及所述调压电路模块的一端，所述第二电池包通过所述第一开关连接所述调压电路模块的另一端，所述调压电路模块、所述第一电池包、所述第一开关、所述第二开关、所述第二电池包均连接所述整车控制器；
    所述第一电池包包括第一内部开关，所述第二电池包包括第二内部开关；所述整车控制器用于控制所述第一开关、所述第二开关、所述第一内部开关以及所述第二内部开关；所述整车控制器还用于控制所述调压电路模块的电压转换率；
    当整车处于充电状态时，所述整车控制器用于控制所述第一开关和所述第二开关断开，所述第一内部开关闭合，所述整流电路模块用于将交流电转换为直流电以实现对所述第一电池包充电；或，所述整车控制器用于控制所述第一开关和所述第一内部开关断开，所述第二开关和所述第二内部开关闭合，所述整流电路模块用于将交流电转换为直流电以实现对所述第二电池包充电；当整车处于行车状态时，所述整车控制器用于控制所述第一开关和所述第二开关断开，所述第一内部开关闭合，以实现所述第一电池包单独为所述负载供电；或，所述整车控制器用于控制所述第一开关和所述第一内部开关断开，所述第二开关和所述第二内部开关闭合，以实现所述第二电池包单独为所述负载供电；或，所述整车控制器用于控制所述第二开关断开，所述第一开关、所述第一内部开关和所述第二内部开关闭合，所述调压电路模块用于将所述第二电池包的电压转换为跟所述第一电池包相同，以实现所述第一电池包和所述第二电池包同时为所述负载供电。
  2. 根据权利要求1所述的充放电电路，其特征在于，所述充放电电路还包括第一预充电路模块，其中，
    所述第一预充电路模块串联在所述第一开关和所述调压电路模块之间，所 述第一预充电路模块连接所述整车控制器；
    当所述第一电池包和所述第二电池包同时为所述负载供电时，所述第一预充电路模块用于保护所述调压电路模块。
  3. 根据权利要求2所述的充放电电路，其特征在于，所述第一预充电路模块包括第一预充电阻、第三开关、第一二极管和第二二极管，其中，
    所述第一预充电阻与所述第三开关并联，所述第一预充电阻一端通过所述第一开关连接所述第二电池包，所述第一预充电阻另一端连接所述第一二极管的正极，所述第一二极管的负极连接所述调压电路模块，所述第二二极管的负极通过所述第一开关连接所述第二电池包，所述第二二极管的正极连接所述调压电路模块。
  4. 根据权利要求1-3任一项所述的充放电电路，其特征在于，所述调压电路模块包括功率因数控制PFC电路和DC/DC电路，其中，
    所述功率因数控制PFC电路连接所述DC/DC电路，所述整流电路模块串联所述功率因数控制PFC电路，所述DC/DC电路连接所述第一电池包，并通过所述第二开关连接所述第二电池包，所述功率因数控制PFC电路和所述DC/DC电路连接所述整车控制器；
    所述功率因数控制PFC电路用于电压的功率因数校正，所述DC/DC电路用于调整电压值。
  5. 根据权利要求4所述的充放电电路，其特征在于，所述充放电电路还包括第二预充电路模块，所述第二预充电路模块连接所述整车控制器，所述第二预充电路模块包括第二预充电阻、第四开关和第五开关，所述整流电路模块包括整流桥，其中，
    所述第二预充电阻外接输入电源，所述第二预充电阻还与所述第四开关并联后连接所述第五开关，所述第五开关连接所述整流桥；
    所述第二预充电阻用于保护所述整流电路模块，当整车处于充电状态时，所述第五开关用于控制充电电路的连接或断开。
  6. 一种车载充放电***，包括输入电源，其特征在于，还包括权利要求1-5任一项所述的充放电电路，其中，
    所述输入电源连接所述整流电路模块，所述整流电路模块串联所述调压电路模块，所述调压电路模块连接所述第一电池包，所述第一电池包连接所述负载，所述第二电池包通过所述第二开关连接所述负载和所述调压电路模块的一端，所述第二电池包通过所述第一开关连接所述调压电路模块的另一端，所述调压电路模块、所述第一电池包、所述第一开关、所述第二开关、所述第二电池包均连接所述整车控制器；
    所述第一电池包包括第一内部开关，所述第二电池包包括第二内部开关；所述整车控制器用于控制所述第一开关、所述第二开关、所述第一内部开关以及所述第二内部开关；所述输入电源为所述第一电池包和所述第二电池包供电，所述整车控制器还用于控制所述调压电路模块的电压转换率；
    当整车处于充电状态时，所述整车控制器用于控制所述第一开关和所述第二开关断开，所述第一内部开关闭合，所述整流电路模块用于连接输入电源且将交流电转换为直流电以实现对所述第一电池包充电；或，所述整车控制器用于控制所述第一开关和所述第一内部开关断开，所述第二开关和所述第二内部开关闭合，所述整流电路模块用于连接所述输入电源且将交流电转换为直流电以实现对所述第二电池包充电；当整车处于行车状态时，所述整车控制器用于控制所述第一开关和所述第二开关断开，所述第一内部开关闭合，以实现所述第一电池包单独为所述负载供电；或，所述整车控制器用于控制所述第一开关和所述第一内部开关断开，所述第二开关和所述第二内部开关闭合，以实现所述第二电池包单独为所述负载供电；或，所述整车控制器用于控制所述第二开关断开，所述第一开关、所述第一内部开关和所述第二内部开关闭合，所述调压电路模块用于将所述第二电池包的电压转换为跟所述第一电池包相同，以实现所述第一电池包和所述第二电池包同时为所述负载供电。
  7. 一种充电方法，其特征在于，应用于权利要求6所述的车载充放电***，所述方法包括：
    当检测到整车处于充电状态时，确定所述第一电池包和所述第二电池包的充电需求，所述第一电池包包括第一内部开关，所述第二电池包包括第二内部开关；
    根据所述充电需求控制所述整流电路模块和所述调压电路模块将充电电压调至预设充电电压；
    控制所述第一内部开关和所述第二内部开关以及所述第二开关和所述第一开关，对所述第一电池包或所述第二电池包进行充电。
  8. 根据权利要求7所述的方法，其特征在于，所述控制所述第一内部开关和所述第二内部开关以及所述第二开关和所述第一开关，对所述第一电池包或所述第二电池包进行充电，包括：
    当所述第一电池包有充电需求时，断开所述第一开关和所述第二开关，闭合所述第一内部开关，对所述第一电池包充电；
    当所述第二电池包有充电需求时，断开所述第一开关和所述第一内部开关，闭合所述第二开关和所述第二内部开关，对所述第二电池包进行充电；
    当所述第一电池包和所述第二电池包均有充电需求时，根据预设策略为所述第一电池包或所述第二电池包进行充电，所述预设策略包括预先设置的充电先后顺序或对检测出性能较优的电池包优先充电。
  9. 一种放电方法，其特征在于，应用于权利要求6所述的车载充放电***，所述方法包括：
    当检测到所述负载的供电需求时，检测所述第一电池包和所述第二电池包的电量；
    根据所述电量控制所述第一电池包和/或所述第二电池包为所述负载供电，所述第一电池包包括第一内部开关，所述第二电池包包括第二内部开关。
  10. 根据权利要求9所述的方法，其特征在于，所述根据所述电量控制所述第一电池包和/或所述第二电池包为所述负载供电，包括：
    当所述第一电池包的电量大于预设电量，所述第二电池包的电量小于预设电量时，断开所述第一开关和所述第二开关，闭合所述第一内部开关，以控制所述第一电池包为所述负载供电，所述预设电量为给所述负载供电的最小电量；
    当所述第一电池包的电量小于所述预设电量，所述第二电池包的电量大于所述预设电量时，断开所述第一开关和所述第一内部开关，闭合所述第二开关和所述第二内部开关，以控制所述第二电池包为所述负载供电；
    当所述第一电池包和所述第二电池包的电量均大于所述预设电量时，断开所述第二开关，闭合所述第一开关、所述第一内部开关和所述第二内部开关，以控制所述第一电池包和所述第二电池包同时为所述负载供电。
PCT/CN2019/097531 2019-07-24 2019-07-24 充放电电路、车载充放电***及充电、放电方法 WO2021012219A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2019/097531 WO2021012219A1 (zh) 2019-07-24 2019-07-24 充放电电路、车载充放电***及充电、放电方法
CN201980006911.6A CN111556823B (zh) 2019-07-24 2019-07-24 充放电电路、车载充放电***及充电、放电方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/097531 WO2021012219A1 (zh) 2019-07-24 2019-07-24 充放电电路、车载充放电***及充电、放电方法

Publications (1)

Publication Number Publication Date
WO2021012219A1 true WO2021012219A1 (zh) 2021-01-28

Family

ID=72005426

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/097531 WO2021012219A1 (zh) 2019-07-24 2019-07-24 充放电电路、车载充放电***及充电、放电方法

Country Status (2)

Country Link
CN (1) CN111556823B (zh)
WO (1) WO2021012219A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112928809A (zh) * 2021-04-23 2021-06-08 阳光电源股份有限公司 一种电源装置、控制方法及***
WO2024002001A1 (zh) * 2022-06-30 2024-01-04 比亚迪股份有限公司 集成式电机控制器、电动总成和车辆

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112248812B (zh) * 2020-10-15 2022-03-29 北京三快在线科技有限公司 无人车及无人配送***
CN113765182A (zh) * 2021-08-31 2021-12-07 长春捷翼汽车零部件有限公司 防触电控制方法、电路、设备、介质、充电装置及车辆

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050099160A1 (en) * 2003-11-11 2005-05-12 Honda Motor Co., Ltd. Apparatus for supplying power for a vehicle
CN205661321U (zh) * 2016-06-13 2016-10-26 安徽江淮汽车股份有限公司 一种备用电池包保护***
CN207345714U (zh) * 2017-10-31 2018-05-11 北京新能源汽车股份有限公司 一种车载电源***及汽车
CN109910678A (zh) * 2019-03-25 2019-06-21 爱驰汽车有限公司 车载双源电池包的能源充电***、方法、设备及存储介质

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109823231A (zh) * 2019-03-25 2019-05-31 爱驰汽车有限公司 车载双源电池包的能源管理***、方法、设备及存储介质
CN109969039A (zh) * 2019-04-16 2019-07-05 爱驰汽车有限公司 车载双源电池包的能源管理***、方法、设备及存储介质
CN210468877U (zh) * 2019-07-24 2020-05-05 深圳欣锐科技股份有限公司 充放电电路及车载充放电***

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050099160A1 (en) * 2003-11-11 2005-05-12 Honda Motor Co., Ltd. Apparatus for supplying power for a vehicle
CN205661321U (zh) * 2016-06-13 2016-10-26 安徽江淮汽车股份有限公司 一种备用电池包保护***
CN207345714U (zh) * 2017-10-31 2018-05-11 北京新能源汽车股份有限公司 一种车载电源***及汽车
CN109910678A (zh) * 2019-03-25 2019-06-21 爱驰汽车有限公司 车载双源电池包的能源充电***、方法、设备及存储介质

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112928809A (zh) * 2021-04-23 2021-06-08 阳光电源股份有限公司 一种电源装置、控制方法及***
CN112928809B (zh) * 2021-04-23 2024-05-14 阳光电源股份有限公司 一种电源装置、控制方法及***
WO2024002001A1 (zh) * 2022-06-30 2024-01-04 比亚迪股份有限公司 集成式电机控制器、电动总成和车辆

Also Published As

Publication number Publication date
CN111556823A (zh) 2020-08-18
CN111556823B (zh) 2022-08-02

Similar Documents

Publication Publication Date Title
WO2021012219A1 (zh) 充放电电路、车载充放电***及充电、放电方法
US9118198B2 (en) Balancing of battery cells connected in parallel
WO2017071280A1 (zh) 电池倍压充电电路和移动终端
CN103166325B (zh) 能量储存***和控制该能量储存***的方法
JP5786330B2 (ja) 放電制御装置及び放電制御方法
CN103532191B (zh) 一种吸尘器的双组电池组充电***及其充电方法
CN212588110U (zh) 充放电***
WO2019019840A1 (zh) 光伏储能***的蓄电池均衡方法与装置及该光伏储能***
WO2015103164A1 (en) Direct current to direct current battery based fast charging system for an electric vehicle charging station
US11258281B2 (en) Intelligence AC to DC maximum power management method of a battery charger
JP3224344U (ja) インテリジェント型の交流／直流最大出力でバッテリを充電管理する充電装置
US20220396167A1 (en) Electric vehicle solar charging system
WO2017128619A1 (zh) 一种支持多电池快速充电的设备、装置及方法
CN102934320A (zh) 电池供电设备及其功率的控制方法
CN102222942A (zh) 电子设备的供电电路及充电方法
WO2023147751A1 (zh) 调节电路、装置、与方法、电子设备及可读存储介质
CN105471040A (zh) 一种可由交流或直流供电的多功能充电器
WO2018192224A1 (zh) 电池切换的方法和装置以及供电电路的切换***和方法
TW201123668A (en) Hybrid power supply system
TW201931662A (zh) 儲能系統的控制方法
CN205304312U (zh) 一种可由交流或直流供电的多功能充电器
CN210468877U (zh) 充放电电路及车载充放电***
WO2023201533A1 (zh) 第一电源及其控制方法、第二电源和储能设备
TW202005225A (zh) 雙電壓雙電池行動電力調控系統
TW201223070A (en) A battery balancing device and method thereof

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19938725

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19938725

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205N DATED 21.09.2022)

122 Ep: pct application non-entry in european phase

Ref document number: 19938725

Country of ref document: EP

Kind code of ref document: A1