WO2018201299A1 - Système de gestion de batterie, appareil de charge, et procédé de charge - Google Patents

Système de gestion de batterie, appareil de charge, et procédé de charge Download PDF

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Publication number
WO2018201299A1
WO2018201299A1 PCT/CN2017/082772 CN2017082772W WO2018201299A1 WO 2018201299 A1 WO2018201299 A1 WO 2018201299A1 CN 2017082772 W CN2017082772 W CN 2017082772W WO 2018201299 A1 WO2018201299 A1 WO 2018201299A1
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WO
WIPO (PCT)
Prior art keywords
battery
charging
power
batteries
management system
Prior art date
Application number
PCT/CN2017/082772
Other languages
English (en)
Chinese (zh)
Inventor
张彩辉
罗昊
Original Assignee
深圳市大疆创新科技有限公司
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 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to PCT/CN2017/082772 priority Critical patent/WO2018201299A1/fr
Priority to CN201780005379.7A priority patent/CN108702006A/zh
Publication of WO2018201299A1 publication Critical patent/WO2018201299A1/fr

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    • 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
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/441—Methods for charging or discharging for several batteries or cells 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to the field of consumer electronics, and in particular, to a battery management system, a charging device, and a charging method.
  • an adapter charging a plurality of batteries has a poor effect, and has the disadvantages of long charging time, large safety hazard, and high cost.
  • an adapter is used to charge a plurality of batteries in turn, and the charging method has a longer charging time.
  • Embodiments of the present invention provide a battery management system, a charging device, and a charging method.
  • An embodiment of the present invention provides a battery management system for controlling charging of a plurality of batteries, the plurality of batteries including a first battery and a second battery, and the battery management system includes:
  • An input the input is configured to receive an input of charging power, where the charging power includes a first power and a second power;
  • each of the output ends for correspondingly connecting one of the batteries
  • the switch assembly including a first switch unit and a second switch unit, the first switch unit connecting the input end and each of the output ends;
  • the distribution circuit is connected to the input terminal and connected to each of the output terminals by the second switching unit, the distribution circuit is configured to allocate the second power to one of the output terminals;
  • the first switching unit is controlled to charge the first battery at the first power while the second battery is charging.
  • An embodiment of the present invention provides a charging device for controlling charging of a plurality of batteries, the plurality of batteries including a first battery and a second battery, and the charging device includes:
  • a battery management system comprising:
  • An input the input is configured to receive an input of charging power, where the charging power includes a first power and a second power;
  • each of the output ends for correspondingly connecting one of the batteries
  • the switch assembly including a first switch unit and a second switch unit, the first switch unit connecting the input end and each of the output ends;
  • the distribution circuit is connected to the input terminal and connected to each of the output terminals by the second switching unit, the distribution circuit is configured to allocate the second power to one of the output terminals;
  • the first switching unit is controlled to charge the first battery at the first power while the second battery is charging.
  • An embodiment of the present invention provides a charging method for charging a plurality of batteries, the plurality of batteries including a first battery and a second battery, and the charging method includes the following:
  • the battery management system, the charging device, and the charging method of the embodiments of the present invention increase the charging power to obtain the first power and the second power, and simultaneously charge the first battery and the second battery with the first power and the second power, thereby improving The efficiency of charging.
  • FIG. 1 is a schematic view showing the connection of a charging device and a battery according to an embodiment of the present invention
  • FIG. 2 is a schematic flow chart of a charging method according to an embodiment of the present invention.
  • FIG. 3 is another schematic flow chart of a charging method according to an embodiment of the present invention.
  • FIG. 4 is a schematic flow chart of still another charging method according to an embodiment of the present invention.
  • Charging device 100 adapter 10, battery management system 20, input terminal 21, output terminal 23, switch assembly 25, first switch unit 252, second switch unit 254, distribution circuit 27, controller 29, battery 800, first battery 820, a second battery 840.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include one or more of the described features either explicitly or implicitly.
  • the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; may be mechanically connected, or may be electrically connected or may communicate with each other; may be directly connected or indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • a battery management system 20 of an embodiment of the present invention can be used to control charging of a plurality of batteries 800.
  • the plurality of batteries 800 includes a first battery 820 and a second battery 840.
  • the battery management system 20 includes an input 21, a plurality of outputs 23, a switch assembly 25, a distribution circuit 27, and a controller 29.
  • the input terminal 21 is configured to receive an input of charging power, and the charging power includes a first power and a second power.
  • Each output terminal 23 is used to connect a battery 800 correspondingly.
  • the switch assembly 25 includes a first switch unit 252 and a second switch unit 254 that connects the input terminal 21 and each of the output terminals 23.
  • the distribution circuit 27 is connected to the input terminal 21 and is connected to each output terminal 23 via a second switching unit 254 for distributing the second power to an output terminal 23.
  • the controller 29 is configured to control the distribution circuit 27 and the second switching unit 254 to control the first switching unit 252 to cause the first battery 820 to be first when the second battery 840 is charged at the second power and when the second battery 840 is charged. Power charging.
  • the battery management system 20 of the embodiment of the present invention may be applied to the charging device 100 of the embodiment of the present invention, or
  • the charging device 100 of the embodiment of the present invention includes the battery management system 20 of the embodiment of the present invention.
  • the charging device 100 of the embodiment of the present invention further includes an adapter 10.
  • the adapter 10 is used to connect to the battery management system 20.
  • a charging method can be used to charge a plurality of batteries 800.
  • the plurality of batteries 800 includes a first battery 820 and a second battery 840.
  • Charging methods include:
  • Step S1 allocating a first power and one or more second powers from the charging power output by the adapter 10;
  • Step S2 charging a second battery 840 with a second power, wherein the second power is less than or equal to the rated power of the second battery 840;
  • Step S3 charging one or more first batteries 820 with the first power.
  • the charging method of the embodiment of the present invention can be implemented by the battery management system 20 of the embodiment of the present invention, wherein the steps S1, S2, and S3 can be implemented by the controller 29.
  • the battery management system 20, the charging device 100, and the charging method of the embodiments of the present invention obtain the first power and the second power by distributing the charging power, and simultaneously give the first battery 820 and the second battery 840 using the first power and the second power. Charging to increase the efficiency of charging.
  • step S2 is performed before step S3. It can be understood that in other embodiments, step S3 is performed before step S2, or step S2 and step S3 are simultaneously performed. Preferably, step S2 and step S3 are performed simultaneously to shorten the charging time of the plurality of batteries 800.
  • the battery 800 that is charged via the distribution circuit 27 and the second switching unit 254 functions as the second battery 840
  • the battery 800 that is charged via the first switching unit 252 serves as the first battery 820.
  • the battery 800 having the highest voltage among the plurality of batteries 800 can be selected as the second battery 840, so that the second battery 840 can be fully charged in a shorter time to provide user use and satisfy the user. Demand for use.
  • the distribution circuit 27 is used to distribute a portion of the power from the charging line as a charging branch.
  • the distribution circuit 27 can include a direct current (DC-DC) buck-boost circuit.
  • the input 21 of the battery management system 20 is configured to receive an input of the charging power of the direct current. Therefore, it is necessary to convert the alternating current (such as commercial power) into direct current by the adapter 10, and then supply it to the battery management system 20.
  • the adapter 10 is coupled to the input 21 of the battery management system 20 and provides charging power to the battery management system 20 via the input 21.
  • the adapter 10 is connected to the controller 29 through a voltage stabilizing unit, and the DC power of the adapter 10 is regulated by the voltage stabilizing unit, thereby preventing the normal operation of the controller 29 from being unsatisfactory when the DC power of the adapter 10 is unstable. influences.
  • the voltage stabilizing unit can be a low dropout linear regulator.
  • charging device 100 is a charging base station for a charger, a charging housekeeper, or an unmanned aerial vehicle.
  • the charging base station of the charger, charging housekeeper or unmanned aerial vehicle includes the battery management system 20 of the embodiment of the present invention,
  • the battery 800 can be charged using the charging method of the embodiment of the present invention.
  • the first battery 820 is plural.
  • the controller 29 is configured to determine the first battery 820 having a smaller voltage among the plurality of first batteries 820, and control the first switch.
  • Unit 252 first charges the first battery 820 having a lower voltage.
  • step S3 includes:
  • Step S31 determining a first battery 820 having a smaller voltage among the plurality of first batteries 820;
  • Step S32 First charge the first battery 820 having a small voltage.
  • steps S31 and S32 can be implemented by the controller 29.
  • the voltages of the plurality of first batteries 820 may be different in height, such that the first battery 820 having a higher voltage and the first battery 820 having a lower voltage and a lower voltage are simultaneously present. Charging, the first battery 820 that is charged at a lower voltage is extremely prone to dangerous situations such as damage or explosion. Therefore, before the plurality of first batteries 820 are simultaneously charged, the controller 29 controls the first switching unit 252 to first charge the first battery 820 having a lower voltage. In the example of the present invention, the number of first batteries 820 is two.
  • the controller 29 controls the first switching unit 252 to first charge the first battery 820 having the lowest voltage.
  • the controller 29 can control the first switching unit 252 to simultaneously charge all of the first batteries 820 having the lowest voltage.
  • the controller 29 charges the battery 800 by controlling the closing of the switch assembly 25, and stops charging the battery 800 by controlling the opening of the switch assembly 25.
  • the controller 29 passes the first The switching unit 252 controls the two first batteries 820 having the same voltage to be simultaneously charged.
  • step S3 includes:
  • Step S33 When the voltage of the first battery 820 having a small voltage rises to be the same as the voltage of the other first battery 820, the two first batteries 820 having the same voltage are simultaneously charged.
  • the simultaneously charged first battery 820 can be gradually increased until all of the first batteries 820 are simultaneously charged.
  • the controller 29 determines that the voltages of the four first batteries 820 are 4.1V, 4.3V, 4.5V, and 4.7V, respectively.
  • the controller 29 controls the first battery 820 of 4.1 V to be charged first by the first switching unit 252.
  • the controller 29 controls the two 4.3 by the first switching unit 252.
  • the first battery 820 of V is charged; in the first battery 820 of two 4.3V
  • the controller 29 controls the three 4.5V first batteries 820 to be charged by the first switching unit 252; when the voltage of the three 4.5V first batteries rises to 4.7V, the controller 29 passes The first switching unit 252 controls the four 4.7V first batteries 820 to simultaneously charge.
  • this charging method is called the first charging method.
  • the voltage of the first battery 820 having a lower voltage rises to be the same as the voltage of the first battery 820 having the highest voltage.
  • the voltage of the first battery 820 having a small voltage can be raised to the voltage of the first battery 820 having the largest voltage.
  • the controller 29 determines that the voltages of the four first batteries 820 are 4.1V, 4.3V, 4.5V, and 4.7V, respectively.
  • the controller 29 controls the voltages of the first battery 820 of 4.1 V, 4.3 V, and 4.5 V to rise to 4.7 V through the first switching unit 252, respectively, and then controls the charging of the four 4.7 V first batteries 820 simultaneously. More specifically, the controller 29 controls the first battery 820 of 4.1 V to be charged first by the first switching unit 252, and when the voltage of the first battery 820 of 4.1 V rises to 4.7 V, the controller 29 passes the first switching unit 252.
  • the first battery 820 that controls two 4.7Vs stops charging and controls the first battery 820 of 4.3V for charging; when the voltage of the first battery 820 of 4.3V rises to 4.7V, the controller 29 controls through the first switching unit 252.
  • the three 4.7V first batteries 820 stop charging and control the 4.5V first battery 820 for charging; when the 4.5V first battery 820 voltage rises to 4.7V, the controller 29 controls the fourth through the first switching unit 252.
  • a 4.7V first battery 820 is simultaneously charged. In this example, this type of charging is referred to as the second charging mode.
  • the first charging mode and the second charging mode described above may be combined to cause the plurality of first batteries 820 to be simultaneously charged.
  • the voltages of the four first batteries 820 are 4.1V, 4.3V, 4.5V, and 4.7V, respectively.
  • the controller 29 controls the first battery 820 of 4.1 V to be charged first by the first switching unit 252.
  • the controller 29 controls the two 4.3 by the first switching unit 252.
  • the first battery 820 of V is charged; when the voltage of the two 4.3V first batteries 820 rises to 4.7V, the controller 29 controls the three 4.7V first batteries 820 to stop charging and controlling through the first switching unit 252.
  • the first battery 820 of 4.5 V is charged; when the voltage of the first battery of 4.5 V rises to 4.7 V, the controller 29 controls the four 4.7 V first batteries 820 to be simultaneously charged by the first switching unit 252.
  • the first power is less than or equal to the total rated power of the first battery 820 being charged; and/or the second power is less than or equal to the rated power of the single second battery 840.
  • the power of charging is greater than the rated power of the battery 800 may cause damage or explosion of the battery 800, so the first power for charging the first battery 820 is less than or equal to the first battery being charged.
  • the total rated power of 820; the second power to charge the second battery 840 is less than or equal to a single second power
  • the rated power of the pool 840 ensures that the battery 800 is safely charged.
  • the charging method further includes:
  • Step S4 adjusting the size of the first power according to the number of the first battery 820 and the state of charge;
  • Step S5 Adjust the magnitude of the second power according to the state of charge of the second battery 840.
  • the power charged by the battery 800 can be adjusted according to actual needs.
  • the first power is used to charge one or more first batteries 820
  • the second power is used to charge a single second battery 840. Therefore, the size of the first power may be according to the first The number of one battery 820 and the state of charge are determined, and the magnitude of the second power may be determined according to the state of charge of the second battery 840.
  • the controller 29 can control the charging power to be first distributed to form the second power to the second battery.
  • the 840 is charged and then distributed from the remaining charging power to form a first power.
  • the remaining charging power charges the first battery 820 as the first power; the power required by the first battery 820 is less than At the remaining charging power, the remaining charging power is distributed to the first battery 820 by the first power equal to the charging power required by the first battery 820.
  • the charging mode of the battery 800 includes a constant current charging mode and a constant voltage charging mode.
  • the battery 800 can be quickly charged and the corresponding state of charge of the battery 800 can be obtained according to the charging mode of the battery 800.
  • the charging speed of the battery 800 is the constant current charging mode
  • the charging speed is faster, the required charging power is larger, and the power of the battery 800 can be quickly added to a near full value
  • the charging mode of the battery 800 is constant.
  • the charging speed is slow, and the required charging power is small, and the battery 800 power close to the full value can be added to the full value.
  • the state of charge of the battery 800 can be divided into a constant current state and a constant voltage state according to the charging mode of the battery 800, that is, when the charging mode of the battery 800 is a constant current charging state, the state of charge of the battery 800 is a constant current state; When the charging mode of 800 is the constant voltage charging state, the state of charge of the battery 800 is a constant voltage state. In this way, the magnitudes of the first power and the second power can be adjusted according to the power of charging required for the charging mode corresponding to the state of charge of the battery 800.
  • the first battery 820 and the second battery 840 have the same or different structure.
  • the first battery 820 and the second battery 840 having the same or different structures can be simultaneously charged, so that the battery management system 20 has a wide application range.
  • the battery management system 20, the charging device 100, and the charging method of the embodiments of the present invention may simultaneously charge the battery 800 having the same or different structure.
  • the structure of the battery 800 may refer to the type of the battery 800, such as a lithium iron phosphate battery. Lithium manganate battery; the structure of the battery 800 may also refer to the specifications of the battery 800 (such as rated power or internal structure, etc.), for example, the battery 800 may be a battery 800 produced by a different manufacturer or a battery 800 of different specifications produced by the same manufacturer. Wait.
  • the charging power is greater than the rated power of a single battery 800.
  • the second battery 840 can be charged at the rated power, ensuring that the charging power can simultaneously charge at least two of the batteries 800.
  • the charging power distribution forms a first power and one or more second powers, and the second power charges a second battery 840. Since the charging power is greater than the rated power of the single battery 800, the charging power can be allocated and The power of the equal power of the two batteries 840 is taken as the second power, so that the second battery 840 is charged at a faster speed. The remaining power except the second power is distributed according to the demand to form the first power, and the first battery 820 is charged by the first power, thereby achieving simultaneous charging of the first battery 820 and the second battery 840, thereby accelerating the plurality of times. The efficiency of battery 800 charging.
  • the number of distribution circuits 27 is determined based on the charging power, or the number of second power allocations is determined based on the charging power.
  • the number of distribution circuits 27 can be determined based on the charging power.
  • the distribution circuit 27 is for distributing the charging power to form the second power, one distribution circuit 27 can be distributed to form a second power, and a second power can be supplied to a second battery 840 for charging.
  • the number of the distribution circuits 27 In order to control the cost of the battery management system 20 or the charging device 100, it is necessary to consider the number of the distribution circuits 27. The number of required distribution circuits 27 can be determined by the magnitude of the charging power, so that the manufacturing cost can be reduced while improving the charging power distribution capability of the battery management system or the charging device 100.
  • the number of distribution circuits 27 or the number of second power allocations is calculated by the following formula: Where m is the number of distribution circuits 27 or the number of second power distributions, P c is the charging power, and P b is the rated power of the individual battery 800.
  • the number of distribution circuits 27 required by the battery management system 20 or the charging device 100 can be obtained by a formula.
  • the charging power is 200W
  • the rated power of the single battery 800 is 150W
  • the number of the distribution circuits 27 is One.
  • the charging power is 350W
  • the rated power of the single battery 800 is 150W
  • the number of the distribution circuits 27 is One.
  • the switch assembly 25 includes at least one of an electronic switch and a mechanical switch.
  • the switch assembly 25 has a wider selection of switches, reducing the cost of the charging device 100.
  • the switch assembly 25 includes at least one of an electronic switch and a mechanical switch, which refers to one of the following: the switch assembly 25 can include an electronic switch; the switch assembly 25 can include a mechanical switch; and the switch assembly 25 can include an electronic switch and Mechanical switch.
  • the electronic switch can include electronic components such as a triode and a relay. This is not specifically limited.
  • the three first switching units 252 and the three second switching units 254 are both electrically
  • the sub-switches, or both are mechanical switches, or one or several of the switch units are electronic components, one or several of which are mechanical switches.
  • all of the switching units are electronic or mechanical switches to facilitate simplification of circuit design and control.
  • the controller 29 when the temperature of the battery 800 is less than the preset temperature, the controller 29 is configured to control the distribution circuit 27 and the second switching unit 254 to cause one of the output terminals 23 to output a preset safety current to a temperature lower than a preset temperature.
  • the battery 800, or the second power, is supplied to the battery 800 having a temperature lower than a preset temperature in a predetermined safe current.
  • the battery 800 having a temperature lower than the preset temperature is charged with a preset safety current, thereby ensuring the service life of the battery 800.
  • the temperature of the battery 800 is less than the preset temperature and can be considered to be in a low temperature state.
  • the current of the charging of the battery 800 can be controlled by the distribution circuit 27, so when the temperature of the battery 800 is less than the preset temperature, the controller 29 controls the distribution circuit 27 to be in the The battery 800 in a low temperature state is charged to be able to accurately control the magnitude of the preset safe current.
  • the preset temperature is 15 degrees Celsius. As such, when the temperature of the battery 800 is below 15 degrees Celsius, the battery 800 needs to be charged with a preset safe current.
  • the controller 29 can control the battery 800 to stop charging to prevent damage to the battery 800.
  • the preset safe current is 0.7 times the rated current of the battery 800. In this way, the battery 800 in a low temperature state can be charged relatively quickly while preventing damage to the battery 800.
  • a "computer-readable medium” can be any apparatus that can contain, store, communicate, propagate, or transport a program for use in an instruction execution system, apparatus, or device, or in conjunction with the instruction execution system, apparatus, or device.
  • computer readable media include the following: electrical connections (electronic devices) having one or more wires, portable computer disk cartridges (magnetic devices), random access memory (RAM), Read only memory (ROM), erasable editable read only memory (EPROM or flash memory), fiber optic devices, and portable compact disk read only memory (CDROM).
  • the computer readable medium may even be a paper or other suitable medium on which the program can be printed, as it may be optically scanned, for example by paper or other medium, followed by editing, interpretation or, if appropriate, other suitable The method is processed to obtain the program electronically and then stored in computer memory.
  • portions of the invention may be implemented in hardware, software, firmware or a combination thereof.
  • multiple steps or methods may be performed by software or firmware stored in a memory and executed by a suitable instruction execution system.
  • a suitable instruction execution system For example, if executed in hardware, as in another embodiment, it can be performed by any one of the following techniques or combinations thereof known in the art: having logic gates for performing logic functions on data signals Discrete logic circuits, application specific integrated circuits with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.
  • each functional unit in each embodiment of the present invention may be integrated into one processing module, or each unit may exist physically separately, or two or more units may be integrated into one module.
  • the above integrated modules can be executed in the form of hardware or in the form of software functional modules.
  • the integrated modules, if executed in the form of software functional modules and sold or used as separate products, may also be stored in a computer readable storage medium.
  • the above mentioned storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente invention concerne un système de gestion de batterie (20), un appareil de charge (100), et un procédé de charge, destinés à commander la charge de plusieurs batteries (800). Le système de gestion de batterie (20) comprend une borne d'entrée (21), une pluralité de bornes de sortie (23), un ensemble commutateur (25), un circuit de distribution (27), et un dispositif de commande (29). La borne d'entrée (21) est destinée à recevoir une entrée de courant de charge, le courant de charge comprenant un premier courant et un second courant. L'ensemble commutateur (25) comprend une première unité de commutation (252) et une seconde unité de commutation (254), la première unité de commutation (252) étant connectée à la borne d'entrée (21) et à chaque borne de sortie (23). Le circuit de distribution (27) est connecté à la borne d'entrée (21) et est connecté à chaque borne de sortie (23) au moyen de la seconde unité de commutation (254), le circuit de distribution (27) étant destiné à distribuer le second courant à une borne de sortie (23). Le dispositif de commande (29) est utilisé pour commander le circuit de distribution (27) et la seconde unité de commutation (254) pour charger une seconde batterie (840) au second courant et, lorsque la seconde batterie (840) est chargée, pour commander la première unité de commutation (252) pour charger une première batterie (820) à un premier courant.
PCT/CN2017/082772 2017-05-02 2017-05-02 Système de gestion de batterie, appareil de charge, et procédé de charge WO2018201299A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/CN2017/082772 WO2018201299A1 (fr) 2017-05-02 2017-05-02 Système de gestion de batterie, appareil de charge, et procédé de charge
CN201780005379.7A CN108702006A (zh) 2017-05-02 2017-05-02 电池管理系统、充电装置和充电方法

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PCT/CN2017/082772 WO2018201299A1 (fr) 2017-05-02 2017-05-02 Système de gestion de batterie, appareil de charge, et procédé de charge

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CN110901455A (zh) * 2019-11-11 2020-03-24 恒大智慧充电科技有限公司 一种充电方法、系统、计算机设备和计算机可读存储介质
CN112947671B (zh) * 2021-02-05 2022-07-29 深圳电器公司 电源管理器和电源管理系统

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