WO2024089888A1 - 充電制御システムおよび充電制御装置 - Google Patents

充電制御システムおよび充電制御装置 Download PDF

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Publication number
WO2024089888A1
WO2024089888A1 PCT/JP2022/040466 JP2022040466W WO2024089888A1 WO 2024089888 A1 WO2024089888 A1 WO 2024089888A1 JP 2022040466 W JP2022040466 W JP 2022040466W WO 2024089888 A1 WO2024089888 A1 WO 2024089888A1
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WO
WIPO (PCT)
Prior art keywords
battery
management unit
charging control
power
voltage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/040466
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English (en)
French (fr)
Japanese (ja)
Inventor
浩平 松本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nintendo Co Ltd
Original Assignee
Nintendo Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nintendo Co Ltd filed Critical Nintendo Co Ltd
Priority to JP2024552799A priority Critical patent/JPWO2024089888A1/ja
Priority to PCT/JP2022/040466 priority patent/WO2024089888A1/ja
Publication of WO2024089888A1 publication Critical patent/WO2024089888A1/ja
Priority to US19/186,324 priority patent/US20250266707A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
    • H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/40—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
    • H02J7/52—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially for charge balancing, e.g. equalisation of charge between batteries
    • H02J7/56—Active balancing, e.g. using capacitor-based, inductor-based or DC-DC converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/80—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including monitoring or indicating arrangements
    • H02J7/82—Control of state of charge [SOC]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H02J7/96—Regulation of charging or discharging current or voltage in response to battery voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H02J7/971—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/975—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
    • H02J7/977—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/90—Constructional details or arrangements of video game devices not provided for in groups A63F13/20 or A63F13/25, e.g. housing, wiring, connections or cabinets
    • A63F13/92—Video game devices specially adapted to be hand-held while playing

Definitions

  • This disclosure relates to a charging control system and a charging control device.
  • Prior art e.g., JP 2013-169062 A discloses a charging control device that charges a second battery in a second device with the power of a first battery in a first device.
  • This charging control device is provided in the first device and has a control unit that controls the amount of charging electricity supplied from the first battery to the second device based on remaining charge information of the second battery supplied from the second device and power consumption information of the second device.
  • a charging control circuit such as a charging control IC (Integrated Circuit) to adjust the power and current.
  • conversion losses can occur in the charging control IC, which can reduce the overall power supply performance.
  • prior art only assumes one-way charging, and does not assume any mutual power supply.
  • One objective of the present disclosure is to improve power supply performance in a system in which at least a first device and a second device can supply power to each other.
  • a charging control system includes a first device and a second device that are separable.
  • the first device includes a first battery, a first power management unit, a first switch that connects and disconnects between a first terminal for electrically connecting with the second device and the first battery according to a command from the first power management unit, and a first resistor provided between the first battery and the first terminal.
  • the second device includes a second battery, a second power management unit, a second switch that connects and disconnects between a second terminal for electrically connecting with the first device and the second battery according to a command from the second power management unit, and a second resistor provided between the second battery and the second terminal.
  • the first battery and the second battery are electrically connected via a switch and a resistor, so they can charge each other depending on the state of the first battery and the second battery, improving the overall efficiency of power supply.
  • power may be supplied from the first battery to the second battery, or from the second battery to the first battery.
  • the direction of power supply is determined according to the voltage or remaining charge of the first and second batteries, so there is no need for a charging control circuit or the like.
  • the voltage of the first battery is higher than the voltage of the second battery, or if the remaining charge of the first battery is higher than the remaining charge of the second battery, power may be supplied from the first battery to the second battery. If the voltage of the second battery is higher than the voltage of the first battery, or if the remaining charge of the second battery is higher than the remaining charge of the first battery, power may be supplied from the second battery to the first battery. With this configuration, power is supplied from the battery with the higher voltage or remaining charge to the battery with the lower voltage or remaining charge, so the first device and the second device can continue processing while sharing power.
  • the path electrically connecting the first battery and the second battery does not include a charge control circuit for supplying power from the first battery to the second battery, and a charge control circuit for supplying power from the second battery to the first battery.
  • the first power management unit may switch between connection and disconnection of the first switch based on at least one of the voltage and temperature of the first battery.
  • the second power management unit may switch between connection and disconnection of the second switch based on at least one of the voltage and temperature of the second battery.
  • At least one of the first power management unit and the second power management unit may be capable of transmitting at least one of the voltage and temperature of the battery of the own device to the other power management unit. At least one of the first power management unit and the second power management unit may switch between connecting and disconnecting a switch of the own device based on at least one of the voltage and temperature of the battery acquired from the other power management unit. According to this configuration, the first power management unit and/or the second power management unit can determine whether or not to perform mutual power supply for the battery of the own device based on information from the other power management unit.
  • the first power management unit may instruct a connection via the first switch when the voltage of the first battery is within a predetermined voltage range.
  • the second power management unit may instruct a connection via the second switch when the voltage of the second battery is within a predetermined voltage range.
  • the charging control system may further include a third device that can be connected to at least one of the first device and the second device.
  • the third device may include a third battery, a third power supply management unit, a third switch that connects and disconnects between the third battery and a third terminal for electrically connecting to at least one of the first device and the second device according to a command from the third power supply management unit, and a third resistor provided between the third battery and the first terminal.
  • the third battery may be connected between the first switch and the second switch via the third switch and the third resistor.
  • Power may be supplied between the first battery, the second battery, and the third battery depending on the voltage or remaining charge state of the first battery, the second battery, and the third battery.
  • the direction of power supply is determined depending on the voltage or remaining charge state of the first battery, the second battery, and the third battery, so there is no need for a charging control circuit or the like.
  • the first device may be an electronic device including a display.
  • the second device may be a controller connected to one side of the first device and capable of transmitting a signal to the first device in response to a user operation.
  • the third device may be a controller connected to the other side of the first device and capable of transmitting a signal to the first device in response to a user operation.
  • power may be supplied from the second and third batteries to the first battery.
  • power is supplied from the battery with the higher voltage or remaining charge to the battery with the lower voltage, so that the first device, the second device, and the second device can continue processing while sharing power.
  • the path electrically connecting the first battery and the second battery does not include a charge control circuit for supplying power from the first battery to the second battery, and a charge control circuit for supplying power from the second battery to the first battery
  • the path electrically connecting the first battery and the third battery does not include a charge control circuit for supplying power from the first battery to the third battery, and a charge control circuit for supplying power from the third battery to the first battery.
  • At least one of the first power management unit, the second power management unit, and the third power management unit may be capable of transmitting at least one of the voltage and temperature of the battery of the own device to the other power management units. At least one of the first power management unit, the second power management unit, and the third power management unit may switch between connection and disconnection of a switch of the own device based on at least one of the voltage and temperature of the battery obtained from the other one or more power management units. According to this configuration, the first power management unit, the second power management unit, and/or the third power management unit can determine whether or not to perform mutual power supply for the battery of the own device based on information from the other power management units.
  • first device and the second device In a first state in which the first device and the second device are connected, information may be exchanged between the first device and the second device by wired signals. In a second state in which the first device and the second device are separated, information may be exchanged between the first device and the second device by wireless signals. With this configuration, whether the first device and the second device are connected to each other or separated from each other, information can be exchanged between them to execute processing.
  • a charging control device that can be separated from another charging control device.
  • the charging control device includes a battery, a power management unit, a switch that connects and disconnects the battery and a terminal for electrically connecting to the other charging control device according to a command from the power management unit, and a resistor provided between the battery and the terminal.
  • the battery and the battery of the other charging control device are electrically connected via the resistor, the switch, the switch of the other charging control device, and the resistor of the other charging control device, which are connected in series.
  • the power management unit may switch between connection and disconnection based on at least one of the battery voltage and temperature.
  • the power management unit may be capable of transmitting at least one of the battery voltage and temperature to the other charging control device.
  • the power management unit may switch between connection and disconnection of the switch based on at least one of the battery voltage and temperature acquired from the power management unit of the other charging control device.
  • the power management unit may instruct the switch to make a connection if the battery voltage is within a predetermined voltage range.
  • the battery of the other second charging control device may be connected between the switch and the switch of the other charging control device via the switch and resistor of the other second charging control device.
  • a first state in which the charging control device is connected to another charging control device information may be exchanged between the charging control device and the other charging control device by wired signals.
  • a second state in which the charging control device and the other charging control device are separated information may be exchanged between the charging control device and the other charging control device by wireless signals.
  • FIG. 1 is a schematic diagram showing an example of an overall configuration of a game system according to an embodiment of the present invention
  • 1 is a schematic diagram showing an example of a usage form of a processing device including a power supply circuit according to an embodiment of the present invention
  • 1 is a schematic diagram showing an example of a usage form of a processing device including a power supply circuit according to an embodiment of the present invention
  • 1 is a schematic diagram showing an example of an internal configuration of a game system according to an embodiment of the present invention
  • FIG. 2 is a diagram for illustrating mutual power supply in the game system according to the present embodiment.
  • FIG. 2 is a diagram for illustrating mutual power supply in the game system according to the present embodiment.
  • FIG. 2 is a schematic diagram showing a configuration example of mutual power supply in a game system according to the present embodiment.
  • 8 is a schematic diagram showing an example of power supply occurring in the configuration example shown in FIG. 7; 8 is a flowchart showing a processing procedure related to mutual power supply in the configuration example shown in FIG. 7 .
  • FIG. 13 is a schematic diagram showing another configuration example of mutual power supply in the game system according to the present embodiment. 11 is a flowchart showing a processing procedure related to mutual power supply in the configuration example shown in FIG. 10 .
  • FIG. 13 is a schematic diagram showing yet another configuration example of mutual power supply in the game system according to the present embodiment.
  • FIG. 1 is a schematic diagram showing an example of the overall configuration of a game system 1 according to the present embodiment.
  • the game system 1 includes a processing device 100, a right controller 200, and a left controller 300.
  • Each of the processing device 100, the right controller 200, and the left controller 300 is an example of a "charging control device.”
  • the processing device 100, the right controller 200, and the left controller 300 may be collectively referred to simply as the "device.”
  • the processing device 100, the right controller 200, and the left controller 300 can be separated from each other.
  • the processing device 100, the right controller 200, and the left controller 300 can be directly or indirectly connected to each other.
  • the processing device 100 is an electronic device that executes applications such as games according to data indicating user operations from each of the right controller 200 and the left controller 300.
  • the processing device 100 has an integrated display 130 that outputs any image.
  • Each of the right controller 200 and the left controller 300 accepts user operations.
  • the processing device 100 and the right controller 200 are detachable.
  • the processing device 100 and the left controller 300 are detachable.
  • each of the right controller 200 and the left controller 300 exchanges data with the processing device 100 via wireless communication.
  • each of the right controller 200 and the left controller 300 exchanges data with the processing device 100 via wired communication and/or wireless communication.
  • the right controller 200 is connected to one side of the processing device 100 and can transmit signals corresponding to user operations to the processing device 100.
  • the left controller 300 is connected to the other side of the processing device 100 and can transmit signals corresponding to user operations to the processing device 100.
  • FIGS. 2 and 3 are schematic diagrams showing an example of a usage form of a processing device 100 including a power supply circuit according to this embodiment.
  • the user when the right controller 200 and the left controller 300 are connected to the processing device 100, the user can hold and operate the right controller 200 and the left controller 300 integrated with the processing device 100.
  • one or more users operate the right controller 200 and/or the left controller 300 while viewing the image output on the external monitor 400.
  • information may be exchanged between the processing device 100 and the right controller 200 and/or between the processing device 100 and the left controller 300 via wireless signals.
  • FIG. 4 is a schematic diagram showing an example of the internal configuration of a game system 1 according to the present embodiment. With reference to FIG. 4, an example of the internal configuration of the processing device 100, right controller 200, and left controller 300 that make up the game system 1 will be described.
  • the processing device 100 includes a battery 102, a power supply circuit 110 electrically connected to the battery 102 via wiring 104, and a load circuit 120 that receives power from the power supply circuit 110.
  • the right controller 200 includes a battery 202, a power supply circuit 210 electrically connected to the battery 202 via wiring 204, and a load circuit 220 that receives power from the power supply circuit 210.
  • the left controller 300 includes a battery 302, a power supply circuit 310 electrically connected to the battery 302 via wiring 304, and a load circuit 320 that receives power from the power supply circuit 310.
  • the power supply circuits 110, 210, and 310 adjust the voltage of the power supplied from the batteries 102, 202, and 302, respectively, to a voltage suitable for the operation of the load circuits 120, 220, and 320.
  • Batteries 102, 202, 302 are secondary batteries that can be charged and discharged. Any secondary battery, such as a lithium ion battery, a nickel-metal hydride battery, or a nickel-cadmium battery, can be used as batteries 102, 202, 302.
  • the capacity, rated current, rated voltage, and other specifications are appropriately designed for each battery, so the specifications of batteries 102, 202, 302 do not need to be the same.
  • the batteries 102, 202, and 302 may each be provided with a circuit (not shown) for storing power supplied from an external power source (e.g., a power adapter).
  • an external power source e.g., a power adapter
  • power can be supplied to each other between the processing device 100 (battery 102), the right controller 200 (battery 202), and some or all of the left controller 300 (battery 302).
  • the load circuit 120 of the processing device 100 includes a processor 122, a memory 124, a storage 126, an operation unit 128, a display 130, a wireless communication module 132, a wired communication module 134, and a power management unit 136.
  • the processor 122 is the processing entity that executes the processing provided by the processing device 100.
  • Memory 124 is a storage device accessible by processor 122, and is, for example, a volatile storage device such as DRAM (Dynamic Random Access Memory) or SRAM (Static Random Access Memory).
  • DRAM Dynamic Random Access Memory
  • SRAM Static Random Access Memory
  • Storage 126 is, for example, a non-volatile storage device such as a flash memory.
  • Storage 126 stores, for example, a system program 1260 and an application program 1262.
  • the processor 122 reads the program stored in the storage 126, expands it in the memory 124, and executes it to realize the processing described below.
  • the term "processor” includes not only the usual meaning of a processing circuit that executes processing according to instruction codes written in a program, such as a CPU (Central Processing Unit), MPU (Micro Processing Unit), or GPU (Graphics Processing Unit), but also hardwired circuits such as an ASIC (Application Specific Integrated Circuit) or FPGA (Field Programmable Gate Array). In hardwired circuits such as ASICs and FPGAs, circuits corresponding to the processing to be executed are pre-formed.
  • SoCs System on Chip
  • the operation unit 128 includes keys and buttons that are operated by the user.
  • the operation unit 128 outputs a signal corresponding to the user's operation to the processor 122.
  • the display 130 displays an image based on the processing results of the processor 122 .
  • the wireless communication module 132 transmits and receives wireless signals between the right controller 200 and the left controller 300.
  • the wireless communication module 132 can employ any wireless method, such as Bluetooth (registered trademark), ZigBee (registered trademark), wireless LAN (IEEE802.11), or infrared communication.
  • the wired communication module 134 transmits and receives electrical signals (wired signals) between the right controller 200 and the left controller 300 via the communication terminals 143 and 144, respectively.
  • the power management unit 136 manages the exchange of power with the right controller 200 and/or the left controller 300. More specifically, the power management unit 136 acquires status information such as the voltage and temperature of the battery 102, and issues commands to the switch 108. A sensor 112 for acquiring status information about the battery 102 is provided on the battery 102.
  • the switch 108 enables/disables the electrical connection with the right controller 200 via the power terminal 141, and the electrical connection with the left controller 300 via the power terminal 142. That is, the switch 108 connects and disconnects the power terminals 141 and 142, which are for electrical connection with the right controller 200 and the left controller 300, respectively, from the battery 102 in accordance with instructions from the power management unit 136.
  • the switch 108 (and the switches 208 and 308 described below) may have a mechanical opening and closing mechanism, or may be a device that switches the conductive state of a semiconductor or the like.
  • a resistor 106 is provided between the battery 102 and the switch 108.
  • the resistance value of the resistor 106 is determined according to the allowable current value that can be supplied from the battery 102 to the right controller 200 and/or the left controller 300 (for example, about 1 ⁇ ).
  • the load circuit 220 of the right controller 200 includes a processor 222, a memory 224, a storage 226, an operation unit 228, a wireless communication module 232, a wired communication module 234, and a power management unit 236.
  • the processor 222 is a processing entity for executing the processes provided by the right controller 200.
  • the processor 222 realizes the processes required for the right controller 200 by reading the programs stored in the storage 226, expanding them in the memory 224, and executing them.
  • the operation unit 228 outputs a signal corresponding to the user operation to the processor 222.
  • the content of the user operation is then transmitted to the processing device 100 as a wireless signal or a wired signal.
  • the wireless communication module 232 transmits and receives wireless signals to and from the processing device 100.
  • the wired communication module 234 transmits and receives electrical signals (wired signals) to and from the processing device 100 via the communication terminal 243.
  • the power management unit 236 manages the exchange of power with the processing unit 100 and/or the left controller 300. More specifically, the power management unit 236 acquires status information such as the voltage and temperature of the battery 202, and issues commands to the switch 208. A sensor 212 for acquiring status information of the battery 202 is provided on the battery 202.
  • the switch 208 enables/disables the electrical connection with the processing device 100 (and the left controller 300) via the power terminal 241. That is, the switch 208 connects and disconnects the power terminal 241 for electrical connection with the processing device 100 (and the left controller 300) and the battery 202 in accordance with instructions from the power management unit 236.
  • a resistor 206 is provided between the battery 202 and the switch 208.
  • the resistance value of the resistor 206 is determined according to the allowable current value that can be supplied from the battery 202 to the processing device 100 and/or the left controller 300.
  • the load circuit 320 of the left controller 300 includes a processor 322, a memory 324, a storage 326, an operation unit 328, a wireless communication module 332, a wired communication module 334, and a power management unit 336.
  • the wired communication module 334 transmits and receives wired signals to and from the processing device 100 via a communication terminal 344.
  • the configuration and functions of each unit are similar to those of the load circuit 220 of the right controller 200, so detailed descriptions will not be repeated.
  • the switch 308 enables/disables the electrical connection with the processing device 100 (and the right controller 200) via the power terminal 342. That is, the switch 308 connects and disconnects the power terminal 342 for electrical connection with the processing device 100 (and the right controller 200) and the battery 302 in accordance with instructions from the power management unit 336.
  • a resistor 306 is provided between the battery 302 and the switch 308.
  • the resistance value of the resistor 306 is determined according to the allowable current value that can be supplied from the battery 302 to the processing device 100 and/or the right controller 200.
  • the battery 302 is also provided with a sensor 312 for acquiring status information such as the voltage and temperature of the battery 302.
  • FIGS. 5 and 6 are diagrams for explaining mutual power supply in the game system 1 according to this embodiment. Note that it is assumed that no power is supplied from an external power source.
  • the remaining battery charge of the processing device 100 is 30%
  • the remaining battery charge of the right controller 200 is 80%
  • the remaining battery charge of the left controller 300 is 80%.
  • the remaining battery charge primarily refers to the SOC (State of Charge), which is an index showing the charging rate or charging state. In other words, the remaining battery charge indicates how much power is stored relative to the full charge capacity of each battery.
  • the processing device 100 can be operated by using the power stored in the batteries of these controllers.
  • power can be supplied between the processing device 100, the right controller 200, and the left controller 300.
  • FIG. 5(B) shows, as an example, a state in which power is supplied from the right controller 200 and the left controller 300 to the processing device 100.
  • the power supplied to the processing device 100 exceeds the power used by the processing device 100, the remaining battery power of the processing device 100 increases.
  • This mutual power supply makes it possible to equalize the remaining battery power of the entire game system 1.
  • the multiple batteries possessed by the game system 1 can be used as a single unit, so to speak.
  • FIG. 5(B) shows, as an example, a state in which power is supplied from the right controller 200 and the left controller 300 to the processing device 100.
  • the remaining charge of the battery 202 of the right controller 200 and the battery 302 of the left controller 300 is higher than the remaining charge of the battery 102 of the processing device 100.
  • the voltage of the battery 202 and the battery 302 is higher than the voltage of the battery 102.
  • power is supplied from the battery 202 and the battery 302 to the battery 102.
  • the power supply shown in (1) may occur when the remaining charge of the battery 102 is higher than the remaining charge of the battery 202 and the battery 302. At this time, the voltage of the battery 102 is higher than the voltage of the battery 202 and the battery 302. Depending on the relative relationship between such voltages or remaining amounts, power is supplied from the battery 102 to the battery 202 and the battery 302
  • each device executes processing while power is supplied from the right controller 200 to the processing device 100 and the left controller 300.
  • FIG. 7 is a schematic diagram showing an example of the configuration related to mutual power supply of the game system 1 according to the present embodiment.
  • FIG. 7 shows the state in which the processing device 100 and the right controller 200 are connected.
  • the power path 50 between the switch 108 of the processing device 100 and the switch 208 of the right controller 200 includes a power terminal 141 of the processing device 100 and a power terminal 241 of the right controller 200.
  • the processing device 100 and the right controller 200 when the processing device 100 and the right controller 200 are connected, the battery 102 and the battery 202 are electrically connected via the resistor 106, the switch 108, the switch 208, and the resistor 206, which are connected in series. As shown in FIG. 7, when the processing device 100 and the right controller 200 are connected, the path electrically connecting the battery 102 and the battery 202 does not include a charge control circuit for supplying power from the battery 102 to the battery 202, and a charge control circuit for supplying power from the battery 202 to the battery 102.
  • the power management unit 136 of the processing device 100 and the power management unit 236 of the right controller 200 are capable of communicating with each other.
  • the communication path 52 includes the communication terminal 143 of the processing device 100 and the communication terminal 243 of the right controller 200.
  • the communication process may be realized via the wired communication module 134 and the wired communication module 234 ( Figure 4).
  • the power management unit 136 determines whether mutual power supply is possible based on the status information (such as voltage and temperature) of the battery 102 and the information obtained from the power management unit 236. If the power management unit 136 determines that mutual power supply is possible, it closes the switch 108. Closing the switch 108 makes it possible for the battery 102 to supply power to another device and/or for the battery 102 to receive power from another device.
  • the power management unit 236 determines whether mutual power supply is possible based on the status information (such as voltage and temperature) of the battery 202 and the information acquired from the power management unit 236. If the power management unit 236 determines that mutual power supply is possible, it closes the switch 208. Closing the switch 208 enables the battery 202 to supply power to another device and/or allows the battery 202 to receive power from another device.
  • the power management unit 136 switches between connecting and disconnecting the switch 108 based on at least one of the voltage and temperature of the battery 102.
  • the power management unit 236 switches between connecting and disconnecting the switch 208 based on at least one of the voltage and temperature of the battery 202.
  • the destination power management unit may switch between connecting and disconnecting the switch of its own device based on at least one of the acquired battery voltage and temperature.
  • both power management units 136 and 236 do not have to be capable of transmitting battery status information (such as voltage and temperature) to the other power management unit. In other words, only one of the power management units may be capable of transmitting battery status information.
  • power is supplied (naturally) according to the difference in the voltage or remaining charge of the batteries. That is, power is supplied from the first battery to the second battery, or from the second battery to the first battery, according to the voltage or remaining charge state of each battery.
  • FIG. 8 is a schematic diagram showing an example of power supply occurring in the configuration example shown in FIG.
  • Fig. 8A when the voltage V1 of the battery 102 is higher than the voltage V2 of the battery 202, power is supplied from the battery 102 to the battery 202.
  • Fig. 8B when the voltage V2 of the battery 202 is higher than the voltage V1 of the battery 102, power is supplied from the battery 202 to the battery 102.
  • a similar power supply may occur depending on the magnitude relationship of the remaining charge of the batteries.
  • resistors 106 and 206 When mutual power supply is performed between battery 102 and battery 202, a current flows through resistors 106 and 206, which are connected in series. By designing resistors 106 and 206 to have appropriate resistance values, it is possible to prevent excessive current from flowing between the batteries while maintaining a simple circuit configuration.
  • FIG. 9 is a flowchart showing the processing steps related to mutual power supply in the configuration example shown in FIG. 7. Each step shown in FIG. 9 is executed by the power management unit of each device. Note that the power management unit does not necessarily execute all the processing, and some of the processing may be executed by a processor.
  • the power management unit of each device determines whether the conditions for executing processing related to mutual power supply are met (step S100).
  • the conditions for executing processing related to mutual power supply may include, for example, that the device itself is electrically connected to another device and that a predetermined time has elapsed since the previous determination processing.
  • the power management unit acquires battery status information (such as voltage and temperature) of its own device (step S102), and acquires battery status information (such as voltage and temperature) of the other connected devices from the other devices (step S104).
  • the power management unit determines whether mutual power supply is possible based on the battery status information of the own device and the battery status information of the other device (step S106). If mutual power supply is possible (YES in step S106), the power management unit keeps the switch in a closed state (step S108). If mutual power supply is not possible (NO in step S106), the power management unit keeps the switch in an open state (step S110).
  • steps S102 to S110 are skipped.
  • the power management unit determines whether or not the battery status information has been requested by the power management unit of another device (step S112). If the battery status information is requested by the power management unit of another device (YES in step S112), the power management unit transmits the battery status information of its own device to the requesting power management unit (step S114).
  • step S114 If battery status information has not been requested by the power management unit of another device (NO in step S112), the process of step S114 is skipped.
  • step S106 can be set by, for example, appropriately combining one or more of the following.
  • the battery voltage of the device itself is within a predetermined voltage range (or the battery voltage of the device itself is below a predetermined upper limit)
  • the battery voltage of the other device is within a specified voltage range (or the battery voltage of the other device is below a specified upper limit)
  • the voltage difference between the battery voltage of the own device and the battery voltage of the other device is within a specified range.
  • the battery temperature of the own device is within a specified temperature range (e.g., room temperature).
  • the battery temperature of the other device is within a specified temperature range (e.g., room temperature).
  • the remaining battery charge, power consumption in the load circuit, and whether or not there is power supply from an external power source may be included in the conditions for mutual power supply.
  • the switch may be opened to cut off the electrical connection with the other batteries.
  • the power supply management unit communicates with other power supply management units to determine whether mutual power supply is possible.
  • each device can determine whether mutual power supply is possible without the power supply management unit communicating with other power supply management units.
  • FIG. 10 is a schematic diagram showing another example of the configuration related to mutual power supply of the game system 1 according to the present embodiment. Compared to the example of the configuration shown in FIG. 7, the example of the configuration shown in FIG. 10 has the communication path 52 between the power management unit 136 of the processing device 100 and the power management unit 236 of the right controller 200 removed.
  • the power management unit 136 of the processing device 100 and the power management unit 236 of the right controller 200 each determine whether mutual power supply is possible based on information acquired from the device itself. If mutual power supply is possible, the switch is maintained in a closed state.
  • FIG. 11 is a flowchart showing the processing steps related to mutual power supply in the configuration example shown in FIG. 10. Each step shown in FIG. 11 is executed by the power management unit of each device. Note that the power management unit does not necessarily execute all of the processing, and some of the processing may be executed by a processor. In FIG. 11, the same step numbers are used for processing that is substantially the same as the steps shown in FIG. 9.
  • the power management unit of each device determines whether the conditions for executing processing related to mutual power supply are met (step S100).
  • the conditions for executing processing related to mutual power supply may include, for example, that the device itself is electrically connected to another device and that a predetermined time has elapsed since the previous determination processing.
  • the power management unit acquires the battery status information (voltage, temperature, etc.) of the device itself (step S102).
  • the power management unit determines whether mutual power supply is possible based on the battery status information of the own device (step S107). If mutual power supply is possible (YES in step S107), the power management unit keeps the switch in a closed state (step S108). If mutual power supply is not possible (NO in step S107), the power management unit keeps the switch in an open state (step S110).
  • steps S102 to S110 are skipped.
  • step S107 the conditions under which mutual power supply is possible can be set by, for example, appropriately combining one or more of the following.
  • the battery voltage of the device is within a specified voltage range.
  • the battery temperature of the device is within a specified temperature range.
  • the conditions for mutual power supply may include the remaining battery charge, power consumption in the load circuit, and the presence or absence of power supply from an external power source.
  • FIG. 12 is a schematic diagram showing yet another example of the configuration for mutual power supply of the game system 1 according to this embodiment.
  • FIG. 12 shows a state in which the processing device 100, the right controller 200, and the left controller 300 are connected.
  • the switch 108 of the processing device 100, the switch 208 of the right controller 200, and the switch 308 of the left controller 300 are electrically connected via a power path 54.
  • the power path 54 includes a power terminal 141 of the processing device 100, a power terminal 241 of the right controller 200, and a power terminal 342 of the left controller 300.
  • Power is supplied between battery 102, battery 202, and battery 302 depending on the voltage or remaining charge of battery 102, battery 202, and battery 302.
  • the battery 302 is connected between the switch 108 and the switch 208 via the switch 308 and the resistor 306.
  • the path electrically connecting the battery 102 and the battery 202 does not include a charge control circuit for supplying power from the battery 102 to the battery 202, and a charge control circuit for supplying power from the battery 202 to the battery 102.
  • the path electrically connecting the battery 102 and the battery 302 does not include a charge control circuit for supplying power from the battery 102 to the battery 302, and a charge control circuit for supplying power from the battery 302 to the battery 102.
  • the communication path 52 includes the communication terminal 143 of the processing device 100 and the communication terminal 243 of the right controller 200.
  • the communication path 56 includes the communication terminal 143 of the processing device 100 and the communication terminal 344 of the left controller 300.
  • the power management unit 136 determines whether mutual power supply is possible based on the status information of the battery 102 (such as voltage and temperature), information acquired from the power management unit 236, and information acquired from the power management unit 336. Similarly, the power management unit 236 determines whether mutual power supply is possible based on the status information of the battery 202 (such as voltage and temperature), information acquired from the power management unit 136, and information acquired from the power management unit 336. Similarly, the power management unit 336 determines whether mutual power supply is possible based on the status information of the battery 302 (such as voltage and temperature), information acquired from the power management unit 136, and information acquired from the power management unit 236.
  • each of the power management units 136, 236, and 336 determines that mutual power supply is possible, it closes the switch 108, 208, and 308. When two or more switches are closed, mutual power supply is performed.
  • the destination power management unit may switch between connecting and disconnecting the switch of its own device based on at least one of the acquired battery voltage and temperature.
  • the destination power management unit may switch between connecting and disconnecting the switch of its own device based on at least one of the acquired battery voltage and temperature.
  • battery status information such as voltage and temperature
  • power is supplied according to the difference in the voltage or remaining capacity of the batteries.
  • power is supplied from one or more batteries with a relatively high voltage to one or more batteries with a relatively low voltage.
  • the right controller 200 and the left controller 300 can be connected to the processing device 100, but this is not limited thereto, and the right controller 200 and the left controller 300 may be configured to be connected to each other. In this case, power can be supplied between the right controller 200 and the left controller 300.
  • the batteries when a condition for mutual power supply is satisfied in a state where a plurality of physically separable devices are physically connected, the batteries are electrically connected to each other. Since power is supplied between the batteries according to the voltage or remaining capacity, the system as a whole can use all the power stored in the batteries without waste, and can operate for a longer period of time.
  • the power and current there is no need to adjust the power and current using a charge control circuit such as a charge control IC, so no conversion loss occurs. This makes it possible to increase the efficiency of power supply. Also, since power supply occurs according to the difference in battery voltage or remaining capacity, it is possible to eliminate the need for processing to determine the power supply side and power receiving side, and processing to determine the power supply voltage. Furthermore, according to this embodiment, there is no limit to the number of batteries that can be electrically connected, so it is also possible to supply power from multiple devices to one device.
  • the mutual power supply according to this embodiment is intended to use all the power stored in the multiple batteries to operate the system for a longer period of time, and there is no need to make the power supply speed (wattage) excessively high.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
PCT/JP2022/040466 2022-10-28 2022-10-28 充電制御システムおよび充電制御装置 Ceased WO2024089888A1 (ja)

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US19/186,324 US20250266707A1 (en) 2022-10-28 2025-04-22 Charging control system and charging control device

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011101458A (ja) * 2009-11-04 2011-05-19 Fujitsu Ltd 電子装置および電源制御装置
JP2016069942A (ja) * 2014-09-30 2016-05-09 パナソニックＩｐマネジメント株式会社 施解錠センサおよびそれを用いた施解錠確認システム
JP2018077773A (ja) * 2016-11-11 2018-05-17 任天堂株式会社 情報処理システム、情報処理装置、操作装置、および、電力供給方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011101458A (ja) * 2009-11-04 2011-05-19 Fujitsu Ltd 電子装置および電源制御装置
JP2016069942A (ja) * 2014-09-30 2016-05-09 パナソニックＩｐマネジメント株式会社 施解錠センサおよびそれを用いた施解錠確認システム
JP2018077773A (ja) * 2016-11-11 2018-05-17 任天堂株式会社 情報処理システム、情報処理装置、操作装置、および、電力供給方法

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