Electronic device, method of charging electronic device, program, charging control apparatus, and charging control method
First Claim
1. An electronic device comprising:
- a secondary battery capable of being charged repeatedly;
a charging section which charges the secondary battery with power supplied from an external power supply section with a set charging current;
a measurement section which measures an amount of charge accumulated in the secondary battery;
a time information acquisition section which acquires time information;
a storage section which stores charging history information created from data of a time period in which a user performs charging;
a charging capability detection section which detects whether it is a state in which charging is possible from the power supply section, by transmitting a state notification signal that performs notification of detecting connection and disconnection to the power supply section; and
a control section which has a discharging history information creation section which, when receiving the state notification signal, causes the measurement section to measure an amount of charge, and creates and stores in the storage section discharging history information based on the amount of charge, a charging capacity setting section which sets a charging capacity to a restricted charging capacity, which is restricted, based on the discharging history information, a chargeable time estimation section that estimates chargeable time based on the charging history information and the time information, and a charging current setting section that calculates a restricted charging current which enables the secondary battery to be charged up to the restricted charging capacity within the chargeable time, based on the amount of charge acquired from the measurement section, and sets the restricted charging current in the charging section,wherein the charging history information is expressed as a plurality of discrete charging histories corresponding to respective pre-set times of day and indicating, for each of the pre-set times, whether a connection state of the external power supply section is detected at the pre-set time, each discrete charging history being updated according to an equation that expresses the discrete charging history as a function of a prior discrete charging history.
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Accused Products
Abstract
Provided is an electronic device including a secondary battery, a charging section which charges the secondary battery with power supplied from an external power supply section with a set charging current, a measurement section which measures an amount of charge accumulated in the secondary battery, a time information acquisition section which acquires time information, a storage section which stores charging history information indicating a time period in which a user performs charging, and a control section which has a chargeable time estimation section that estimates chargeable time based on the charging history information and the time information, and a charging current setting section that calculates a restricted charging current which enables the secondary battery to be charged up to a charging capacity within the chargeable time, based on the amount of charge acquired from the measurement section, and sets the restricted charging current in the charging section.
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Citations
22 Claims
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1. An electronic device comprising:
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a secondary battery capable of being charged repeatedly; a charging section which charges the secondary battery with power supplied from an external power supply section with a set charging current; a measurement section which measures an amount of charge accumulated in the secondary battery; a time information acquisition section which acquires time information; a storage section which stores charging history information created from data of a time period in which a user performs charging; a charging capability detection section which detects whether it is a state in which charging is possible from the power supply section, by transmitting a state notification signal that performs notification of detecting connection and disconnection to the power supply section; and a control section which has a discharging history information creation section which, when receiving the state notification signal, causes the measurement section to measure an amount of charge, and creates and stores in the storage section discharging history information based on the amount of charge, a charging capacity setting section which sets a charging capacity to a restricted charging capacity, which is restricted, based on the discharging history information, a chargeable time estimation section that estimates chargeable time based on the charging history information and the time information, and a charging current setting section that calculates a restricted charging current which enables the secondary battery to be charged up to the restricted charging capacity within the chargeable time, based on the amount of charge acquired from the measurement section, and sets the restricted charging current in the charging section, wherein the charging history information is expressed as a plurality of discrete charging histories corresponding to respective pre-set times of day and indicating, for each of the pre-set times, whether a connection state of the external power supply section is detected at the pre-set time, each discrete charging history being updated according to an equation that expresses the discrete charging history as a function of a prior discrete charging history. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of charging an electronic device including a secondary battery capable of being charged repeatedly, a charging section which charges the secondary battery with power supplied from an external power supply section with a set charging current, a measurement section which measures an amount of charge accumulated in the secondary battery, a time information acquisition section which acquires time information, a storage section which stores charging history information indicating a time period in which a user performs charging, and a charging capability detection section which detects whether it is a state in which charging is possible from the power supply section, by transmitting a state notification signal that performs notification of detecting connection and disconnection to the power supply section, the method comprising:
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causing the measurement section to measure an amount of charge, and creating and storing in the storage section discharging history information based on the amount of charge, when the state notification signal is received; setting a charging capacity to a restricted charging capacity, which is restricted, based on the discharging history information; estimating chargeable time based on the charging history information and the time information; calculating a restricted charging current which enables the secondary battery to be charged up to the restricted charging capacity within the chargeable time; setting the restricted charging current in the charging section; and charging, by the charging section, the secondary battery with the set restricted charging current, wherein the charging history information is expressed as a plurality of discrete charging histories corresponding to respective pre-set times of day and indicating, for each of the pre-set times, whether a connection state of the external power supply section is detected at the pre-set time, each discrete charging history being updated according to an equation that expresses the discrete charging history as a function of a prior discrete charging history.
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8. A non-transitory storage medium on which is recorded a program for causing a computer to function as an electronic device which includes
a secondary battery capable of being charged repeatedly, a charging section which charges the secondary battery with power supplied from an external power supply section with a set charging current, a measurement section which measures an amount of charge accumulated in the secondary battery, a time information acquisition section which acquires time information, a storage section which stores charging history information created from data of a time period in which a user performs charging, a charging capability detection section which detects whether it is a state in which charging is possible from the power supply section, by transmitting a state notification signal that performs notification of detecting connection and disconnection to the power supply section, and a control section which has a discharging history information creation section which, when receiving the state notification signal, causes the measurement section to measure an amount of charge, and creates and stores in the storage section discharging history information based on the amount of charge, a charging capacity setting section which sets a charging capacity to a restricted charging capacity, which is restricted, based on the discharging history information, a chargeable time estimation section that estimates chargeable time based on the charging history information and the time information, and a charging current setting section that calculates a restricted charging current which enables the secondary battery to be charged up to the restricted charging capacity within the chargeable time, based on the amount of charge acquired from the measurement section, and sets the restricted charging current in the charging section, wherein the charging history information is expressed as a plurality of discrete charging histories corresponding to respective pre-set times of day and indicating, for each of the pre-set times, whether a connection state of the external power supply section is detected at the pre-set time, each discrete charging history being updated according to an equation that expresses the discrete charging history as a function of a prior discrete charging history.
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9. A charging control apparatus comprising:
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an information acquisition section which acquires charging history information and discharging history information of a secondary battery; a charging time period determination section which determines a charging time period in which the secondary battery is charged based on the information acquired by the information acquisition section; and a charging current setting section which calculates a restricted charging current with which charging is performed up to a charging capacity within a charging time period determined by the charging time period determination section, and sets power supplied from a power supply section in a charging section that charges the secondary battery, as a charging current with which the secondary battery is charged, wherein the charging history information is expressed as a plurality of discrete charging histories corresponding to respective pre-set times of day and indicating, for each of the pre-set times, whether a connection state of the external power supply section is detected at the pre-set time, each discrete charging history being updated according to an equation that expresses the discrete charging history as a function of a prior discrete charging history. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A charging control method realized by causing arithmetic processing means of a charging control apparatus controlling charging of a secondary battery to execute predetermined procedures comprising:
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acquiring charging history information and discharging history information of the secondary battery; determining a charging time period in which the secondary battery is charged based on the information acquired in the information acquisition step; and calculating a restricted charging current with which charging is performed up to a charging capacity within the determined charging time period, and setting power supplied from a power supply section in a charging section that charges the secondary battery, as a charging current with which the secondary battery is charged, wherein the charging history information is expressed as a plurality of discrete charging histories corresponding to respective pre-set times of day and indicating, for each of the pre-set times, whether a connection state of the external power supply section is detected at the pre-set time, each discrete charging history being updated according to an equation that expresses the discrete charging history as a function of a prior discrete charging history.
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18. An electronic device comprising:
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a secondary battery capable of being charged repeatedly; a charging section which charges the secondary battery with power supplied from an external power supply section with a set charging current; a storage section which stores discharging history information and charging history information; and a control section which sets a charging capacity and a charging current based on the discharging history information and the charging history information, wherein the charging history information is expressed as a plurality of discrete charging histories corresponding to respective pre-set times of day and indicating, for each of the pre-set times, whether a connection state of the external power supply section is detected at the pre-set time, each discrete charging history being updated according to an equation that expresses the discrete charging history as a function of a prior discrete charging history. - View Dependent Claims (19, 20, 21, 22)
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Specification