WO2015122127A1 - 蓄電池パックおよび充電装置 - Google Patents
蓄電池パックおよび充電装置 Download PDFInfo
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- WO2015122127A1 WO2015122127A1 PCT/JP2015/000334 JP2015000334W WO2015122127A1 WO 2015122127 A1 WO2015122127 A1 WO 2015122127A1 JP 2015000334 W JP2015000334 W JP 2015000334W WO 2015122127 A1 WO2015122127 A1 WO 2015122127A1
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- WIPO (PCT)
- Prior art keywords
- secondary battery
- unit
- battery pack
- storage battery
- recommended use
- Prior art date
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Classifications
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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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
-
- 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
- H01M10/46—Accumulators structurally combined with charging apparatus
-
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- 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
- H02J5/00—Circuit arrangements for transfer of electric power between ac networks and dc networks
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
- H02J7/0049—Detection of fully charged condition
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
-
- H—ELECTRICITY
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- 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 disclosure relates to a storage battery pack that can be detachably electrically connected to a plurality of different types of devices and can supply power to the connected devices, and a charging device for charging the storage battery pack.
- Patent Document 1 when a storage battery pack is charged, there is a charging device that displays to the user regarding the use of the storage battery pack according to the result of charging the storage battery pack.
- Patent Document 1 when a plurality of storage battery packs are charged by a charging device and there are a plurality of storage battery packs that have been charged, charging is completed for the purpose of leveling the use frequency of the storage battery packs It is disclosed that only one storage battery pack is displayed to be usable according to the order in which it is performed.
- an exemplary embodiment that is not limited can appropriately display the use of a storage battery pack that can be used by connecting to a plurality of different types of devices.
- a storage battery pack includes a secondary battery, a connection unit that can be detachably and electrically connected to a plurality of different types of devices and a charging device, and the secondary battery via the connection unit.
- a control unit that controls discharge to the device and charging from the charging device to the secondary battery via the connection unit, and detects a state of the secondary battery, and the detected result is secondary Suitable for the detection unit that outputs as battery information, the first storage unit that stores the secondary battery information output by the detection unit, the condition that is predetermined based on the state of the secondary battery, and the condition
- the second storage unit storing a recommendation table in which a plurality of recommended use devices are associated in advance, the state of the secondary battery indicated by the secondary battery information, and the recommendation table, A determination unit for determining a recommended use device; and Tough and a notification unit for notifying the user of information indicating the use recommended equipment was determined.
- the storage battery pack and the charging device according to the present disclosure can appropriately display the usage.
- FIG. 1 is a diagram illustrating the appearance of the electricity storage pack according to Embodiment 1 and details of the display unit.
- FIG. 2 is a block diagram showing an example of the configuration of the storage battery pack according to Embodiment 1.
- FIG. 3 is a diagram illustrating an example of the configuration of the secondary battery.
- FIG. 4 is a diagram illustrating an example of the recommendation table.
- FIG. 5 is a diagram illustrating log information stored in the first storage unit.
- FIG. 6 is a flowchart illustrating an example of log information acquisition processing.
- FIG. 7 is a flowchart illustrating an example of the recommended display process.
- FIG. 8 is a diagram illustrating an external appearance of the power storage system according to Embodiment 2.
- FIG. 1 is a diagram illustrating the appearance of the electricity storage pack according to Embodiment 1 and details of the display unit.
- FIG. 2 is a block diagram showing an example of the configuration of the storage battery pack according to Embodiment 1.
- FIG. 3 is a diagram
- FIG. 9 is a block diagram illustrating an example of a configuration of the power storage system according to Embodiment 2.
- FIG. 10 is a block diagram illustrating an example of a configuration of the power storage system according to Embodiment 3.
- FIG. 11 is a flowchart illustrating a charging process of the charging device according to the third embodiment.
- FIG. 12 is a block diagram showing another example of the configuration of the storage battery pack according to Embodiment 1.
- FIG. 13 is a block diagram illustrating another example of the configuration of the storage battery pack according to Embodiment 2.
- the user cannot appropriately determine a target device that uses the storage battery pack.
- the plurality of types of devices specifically include a high output load device such as an electric assist bicycle and a low output load device such as a lighting device.
- a high output load device such as an electric assist bicycle
- a low output load device such as a lighting device.
- the high output storage battery pack that should be originally selected for the high output load device is changed to a low output load device. Therefore, it may be difficult to select a storage battery pack having an appropriate output for a device with a high output load.
- the first embodiment of the present disclosure includes a secondary battery, a connection unit that can be detachably and electrically connected to a plurality of different types of devices and a charging device, and the connection unit.
- a control unit for controlling discharge from the secondary battery to the device via the connection unit and charging from the charging device to the secondary battery via the connection unit, and detecting a state of the secondary battery A detection unit that outputs the detected result as secondary battery information, a first storage unit that stores the secondary battery information output by the detection unit, and a state of the secondary battery.
- a second storage unit storing a recommendation table in which the conditions and the plurality of recommended use devices suitable for the conditions are associated in advance, the state of the secondary battery indicated by the secondary battery information, and the recommendation Use the table to determine the recommended equipment to use.
- a determination unit to provide a battery pack and a notification unit for the determination unit to broadcast information indicative of the use recommended equipment determined to the user.
- the storage battery pack is likely to be used with recommended equipment if it can be used effectively, and when used with the recommended equipment, it depends on the life of the storage battery pack, the output performance or the size of the capacity, etc. Appropriate discharge can be performed.
- the second storage unit stores a plurality of predetermined conditions based on a state of the secondary battery
- the determination unit includes: Of the plurality of conditions in the recommendation table, a device associated with a condition that satisfies the state of the secondary battery indicated by the secondary battery information is determined as the recommended use device from the plurality of types of devices.
- a storage battery pack may be provided.
- the detection unit detects the date and time when the secondary battery is charged or discharged, and the detected date and time is When the elapsed period from the date and time when the battery was last charged or discharged is less than a predetermined value, the determination unit outputs the secondary battery information and the recommendation stored in the first storage unit.
- the storage battery pack which may determine the said use recommendation apparatus using a table is provided.
- the secondary battery information indicating the state of the secondary battery is reliable information.
- the determination unit determines the recommended use device using the secondary battery information, the storage battery pack can accurately determine the recommended use device.
- the detection unit detects and detects a date and time when the secondary battery is charged or discharged.
- the determining unit is configured to transfer the control unit from the charging device to the secondary battery.
- a storage battery pack in which the recommended use device may be determined using the secondary battery information detected by the detection unit when charging is newly performed and the recommendation table.
- the determination unit determines the recommended use device using the secondary battery information detected by the detection unit when charging from the charging device to the secondary battery is newly performed. That is, when the secondary battery information is unreliable information, the determination unit reacquires reliable secondary battery information and determines a recommended use device using the acquired secondary battery information. As a result, even if the elapsed period from the date of the last charge or discharge is greater than or equal to a predetermined value, it is possible to accurately determine the recommended use device.
- the notification unit is configured so that the control unit Provided is a storage battery pack in which notification of information indicating the recommended use device may be stopped until the secondary battery is charged.
- a sixth aspect of the present disclosure is the information processing apparatus according to any one of the first to sixth aspects, further including, for example, a display unit that displays information indicating the recommended device for use, and the notification unit includes: Provided is a storage battery pack in which information indicating the recommended use device may be displayed on a display unit.
- the notification unit displays the recommended use device on the display unit of the storage battery pack
- the user can confirm the recommended use device of the storage battery pack by itself without any device other than the storage battery pack. Can do.
- the charging device includes a display unit, and the notification unit is connected to the connection unit via the connection unit.
- a storage battery pack in which information indicating a recommended use device is transmitted to the charging device, and information indicating the recommended use device may be displayed on the charging device.
- an eighth form of the present disclosure is the method according to any one of the first to seventh aspects, further including, for example, a communication unit that communicates with an external communication terminal having a display unit, Provided is a storage battery pack in which information indicating the recommended use device is transmitted to the external communication terminal by the communication unit, and information indicating the recommended use device may be displayed on the external communication terminal.
- the detection unit sets the secondary battery to nominal capacity ratio SOC as the state of the secondary battery. And detecting the detected nominal capacity ratio SOC as the secondary battery information, and the determination unit determines a device with a high output load as a recommended use device when the nominal capacity ratio SOC is a predetermined value or more.
- a storage battery pack in which a device with a low output load may be determined as a recommended device to be used when the to-nominal capacity ratio SOC is less than a predetermined value is provided.
- the detection unit detects the number of charge / discharge cycles of the secondary battery as the state of the secondary battery.
- the determining unit determines a device with a high output load as a recommended use device, and when the number of charge / discharge cycles is greater than or equal to a predetermined value, a device with a low output load is determined.
- a storage battery pack is provided that may be determined as a recommended use device.
- the detection unit detects an internal resistance value of the secondary battery as the state of the secondary battery.
- the determination unit determines a device with a high output load as a recommended use device when the internal resistance value is less than a predetermined value, and uses a device with a low output load when the internal resistance value is a predetermined value or more.
- a storage battery pack is provided that may be determined as:
- the detection unit detects a battery voltage difference of the secondary battery as the state of the secondary battery.
- the determination unit determines a device with a high output load as a recommended use device when the battery voltage difference is less than a predetermined value, and uses a device with a low output load when the battery voltage difference is a predetermined value or more.
- a storage battery pack is provided that may be determined as:
- the detection unit sets the secondary battery to nominal capacity ratio SOC as the state of the secondary battery.
- the determination unit determines a device that requires a large capacity as a recommended use device when the to-nominal capacity ratio SOC is equal to or greater than a predetermined value, and a small capacity when the to-nominal capacity ratio SOC is less than a predetermined value.
- a storage battery pack is provided, in which a device that requires the battery may be determined as a recommended use device.
- the detection unit further detects an abnormal state of the secondary battery, and the notification unit When the detection unit detects an abnormal state of the secondary battery, a storage battery pack is provided that may notify a user of information indicating the abnormal state.
- the user can confirm the recommended device for use, and can confirm that there is an abnormality in the storage battery pack when an abnormality has occurred in the storage battery pack.
- a fifteenth aspect of the present disclosure is any one of the first to fourteenth aspects described above, further including, for example, an input receiving unit that receives device information indicating a device, and the second storage unit includes: The plurality of types of devices and the device information received by the input reception unit are stored in association with each other, and the determination unit is a plurality of recommended use devices associated with the recommendation table, Provided is a storage battery pack in which the recommended use device may be determined from the devices indicated by the device information received by the input receiving unit.
- the notification unit corresponds to the device owned by the user. It is possible to notify only the recommended device to use. As a result, devices that are not owned by the user are not recommended, and the user can easily determine the device that should use the storage battery pack.
- a sixteenth aspect of the present disclosure is a charging device that charges a storage battery pack that includes a secondary battery and can be used for a plurality of different types of devices, and is detachably connected to the storage battery pack.
- a recording medium recording medium such as a system, a method, an integrated circuit, a computer program or a computer-readable CD-ROM, and the system, method, integrated circuit, You may implement
- FIG. 1 is a diagram showing an external appearance of the storage battery pack according to Embodiment 1 and details of a display unit. More specifically, FIG. 1A is a perspective view showing the appearance of the storage battery pack 100. FIG. 1B is a diagram illustrating details of the display unit 109 of the storage battery pack 100.
- the storage battery pack 100 includes a display unit 109.
- the display unit 109 indicates the first display unit 10 that performs display indicating the state of charge, and the appropriate target device (that is, recommended use) of the storage battery pack 100. It is comprised by the 2nd display part 20 which performs a display.
- the first display unit 10 is specifically an LED (Light Emitting Diode), for example, a display indicating that charging is being performed (flashing), a display indicating that the storage battery pack is abnormal (fast flashing), A display (lighting) indicating that the battery is fully charged is performed.
- LED Light Emitting Diode
- the second display unit 20 includes a first recommendation display 21, a second recommendation display 22, and a third recommendation display 23.
- the first recommendation display 21 is a display recommended to be used for a device with a high output load.
- the second recommendation display 22 is a display recommended for use with a device with a low output load.
- the third recommendation display 23 is a display recommended to be used for a device with a large capacity load.
- the second display unit 20 displays the first recommendation display 21, the second recommendation display 22, and the third recommendation display 23, thereby causing the storage battery pack 100 to be used. Is recommended.
- FIG. 1B shows that the first recommendation display 21 is displayed.
- FIG. 2 is a block diagram of the storage battery pack according to the second embodiment.
- the storage battery pack 100 includes a secondary battery 101, a connection unit 102, a control unit 103, a detection unit 104, a first storage unit 105, a second storage unit 106, a determination unit 107, and a notification unit 108. And a display unit 109.
- the secondary battery 101 is configured by connecting a plurality of single cells (for example, lithium ion batteries) in parallel and in series. The configuration of the secondary battery 101 will be described later.
- connection unit 102 can be detachably and electrically connected to a plurality of different types of devices. Further, the connection unit 102 may be detachably and mechanically connectable to a plurality of different types of devices.
- the control unit 103 discharges the secondary battery 101 from the secondary battery 101 via the connection unit 102 to the device connected to the connection unit 102, and the charging device that is one of a plurality of types of devices via the connection unit 102. Controls charging of the next battery.
- the detection unit 104 detects the state of the secondary battery and outputs the detected result as secondary battery information. Specifically, the detection unit 104 may detect a state-of-charge ratio (SOC) of the secondary battery 101 as the state of the secondary battery 101. The detection unit 104 may detect the number of charge / discharge cycles of the secondary battery 101 as the state of the secondary battery 101. The detection unit 104 may detect the internal resistance value of the secondary battery 101 as the state of the secondary battery 101. The detection unit 104 may detect a battery voltage difference of the secondary battery 101 as the state of the secondary battery 101.
- SOC state-of-charge ratio
- the detection unit 104 may detect the number of charge / discharge cycles of the secondary battery 101 as the state of the secondary battery 101.
- the detection unit 104 may detect the internal resistance value of the secondary battery 101 as the state of the secondary battery 101.
- the detection unit 104 may detect a battery voltage difference of the secondary battery 101 as the state of the secondary battery 101.
- the detection unit 104 detects, as the state of the secondary battery 101, at least one of the nominal capacity ratio SOC of the secondary battery 101, the number of charge / discharge cycles, the internal resistance value, and the battery voltage difference. What is necessary is just to output at least any one of the to-nominal capacity ratio SOC, the number of charge / discharge cycles, the internal resistance value, and the battery voltage difference as secondary battery information.
- the detection part 104 may detect the date when the secondary battery 101 was charged or discharged, and may output the detected date as secondary battery information.
- the detection unit 104 may detect the date and time by acquiring date and time information indicating the date and time from a time measuring unit (not shown) using a CPU or the like mounted in the storage battery pack 100, or an external The date and time may be detected by acquiring date and time information from the device by communication.
- the “to-nominal capacity ratio SOC” referred to here is a ratio [%] of the capacity of the secondary battery that can be discharged after the current full charge to the nominal capacity.
- the “nominal capacity” here is a capacity that can be discharged after the secondary battery is fully charged at the time of factory shipment.
- the “number of charge / discharge cycles” referred to here is the number of times that a fully charged secondary battery is discharged until it is emptied as one time.
- the “internal resistance value” here is a value of the internal resistance of the secondary battery.
- the “battery voltage difference” here means a battery (single cell group) having a maximum voltage among a plurality of batteries connected in series (including a plurality of battery cells connected in series (see below)). And the battery having the minimum voltage (single cell group).
- FIG. 3 is a diagram illustrating an example of the configuration of the secondary battery 101.
- the secondary battery 101 is configured by connecting a plurality of (for example, seven) single battery groups 41 (also referred to as blocks) in which four single batteries 42 are connected in parallel.
- the secondary battery 101 is configured by connecting 28 unit cells 42 in parallel and in series. That is, the battery voltage difference in the secondary battery 101 configured in this way is between the single battery group having the maximum voltage and the single battery group having the minimum voltage among the plurality of single battery groups 41 connected in series. Is the voltage difference.
- the first storage unit 105 stores the secondary battery information output by the detection unit 104.
- the first storage unit 105 is realized by, for example, a nonvolatile memory.
- FIG. 4 is a diagram showing log information stored by the first storage unit.
- the log information is information indicating the date and time when the secondary battery 101 is charged or discharged, which is detected by the detection unit 104.
- the log information includes at least one of the secondary battery information on the date and time when charging or discharging is performed, the nominal capacity ratio SOC, the number of charge / discharge cycles, the internal resistance value, and the battery voltage difference. , May be associated with the detected date and time.
- the log information is stored in the first storage unit 105 in association with the date and time, the state of charge or discharge, the SOC, and the nominal capacity ratio SOC.
- the second storage unit 106 stores a recommendation table in which a predetermined condition based on the state of the secondary battery and a plurality of recommended use devices suitable for the condition are associated in advance.
- the second storage unit 106 may store a plurality of conditions determined in advance based on the state of the secondary battery 101.
- FIG. 5 is a diagram showing an example of the recommendation table.
- the recommended table includes a plurality of predetermined values determined according to the respective levels of the nominal capacity ratio SOC, the number of charge / discharge cycles, the internal resistance value, and the battery voltage difference as the state of the secondary battery.
- the conditions and a plurality of devices suitable for each of the plurality of conditions are associated in advance.
- secondary batteries of X [%] or more are associated with high output load devices among a plurality of devices, and secondary batteries of less than X [%] It is associated with a low output load device among a plurality of devices.
- a secondary battery of ⁇ [%] or more may be associated with a device having a large capacity load among a plurality of devices.
- secondary batteries less than Y [cycle] are associated with recommended equipment for use with high output loads, and secondary batteries with Y [cycle] or more are recommended equipment for use with low output loads. It is associated.
- secondary batteries with less than Z [ ⁇ ] are associated with recommended equipment for high output loads, and secondary batteries with Z [ ⁇ ] or greater are recommended for use with low output loads. It is attached.
- secondary batteries with less than W [V] are associated with recommended equipment for use with high output loads, and secondary batteries with W [V] or more with recommended equipment for use with low output loads. It is attached.
- the “recommended use device” here is a device suitable for the state of the secondary battery 101 among a plurality of different types of devices.
- the determination unit 107 determines a recommended use device from a plurality of devices using the state of the secondary battery 101 indicated by the secondary battery information and the recommendation table. When the elapsed period from the date of the last charge or discharge is less than a predetermined value, the determination unit 107 uses the secondary battery information stored in the first storage unit 105 and the recommendation table to determine the recommended use device. You may decide. In addition, when the elapsed period from the date of the last charge or discharge is equal to or greater than a predetermined value, the determination unit 107 transfers the control unit 103 from the charging device (not shown) connected to the connection unit 102 to the secondary battery 101.
- the determination unit 107 compares the date and time when the secondary battery 101 was charged or discharged, which is detected by the detection unit 104, with the current time and thereby the date and time when the secondary battery 101 was last charged or discharged. It may be determined whether or not the elapsed time from is greater than or equal to a predetermined value. That is, in the above description, the case where the elapsed period from the date of the last charging or discharging is less than a predetermined value is a case where the determining unit 107 determines that the elapsed period is less than the predetermined value.
- the case where the elapsed period from the date of the last charging or discharging is equal to or greater than a predetermined value is a case where the determining unit 107 determines that the elapsed period is equal to or greater than the predetermined value.
- the determination unit 107 determines the recommended use device as follows using the secondary battery information and the recommendation table.
- the determining unit 107 determines a device with a high output load as a recommended use device when the SOC to nominal capacity ratio SOC is equal to or greater than a predetermined value (X [%]), and the ratio to nominal capacity SOC is a predetermined value (X [%]). If it is less than that, the device with the low output load is determined as the recommended device.
- the determining unit 107 determines a device that requires a large capacity (a device having a large capacity load) as a recommended use device when the SOC to nominal capacity ratio is equal to or greater than a predetermined value ( ⁇ [%]).
- a device that requires a small capacity is determined as a recommended use device.
- the determination unit 107 determines a device with a high output load as a recommended use device, and the number of charge / discharge cycles is a predetermined value (Y [cycle]). In these cases, a device with a low output load is determined as a recommended use device.
- the determination unit 107 determines a device with a high output load as a recommended use device, and the internal resistance value is equal to or greater than the predetermined value (Z [ ⁇ ]). In this case, a device with a low output load is determined as a recommended use device. Further, when the battery voltage difference is less than a predetermined value (W [V]), the determination unit 107 determines a device with a high output load as a recommended use device, and the battery voltage difference is equal to or greater than the predetermined value (W [V]). In this case, a device with a low output load is determined as a recommended use device.
- the determination unit 107 selects a device associated with a condition that satisfies the condition of the secondary battery 101 indicated by the secondary battery information from among a plurality of conditions in the recommendation table as a recommended use device from the plurality of devices. decide.
- the determination unit 107 determines a recommended device to be used by using the nominal capacity ratio SOC, the number of charge / discharge cycles, the internal resistance value, and the battery voltage difference as the state of the secondary battery detected by the detection unit 104. However, it is only necessary to determine the recommended device to be used using any one of the nominal capacity ratio SOC, the number of charge / discharge cycles, the internal resistance value, and the battery voltage difference. For this reason, the determination unit 107 may determine the recommended device to use based on one of the nominal capacity ratio SOC, the number of charge / discharge cycles, the internal resistance value, and the battery voltage difference, or a combination thereof. The recommended use device may be determined based on this.
- the determining unit 107 has a nominal capacity ratio SOC of a predetermined value (X [%]) or more, a charge / discharge cycle number less than a predetermined value (Y [cycle]), and an internal resistance value of a predetermined value.
- a high output load device may be determined as the recommended use device.
- the notification unit 108 notifies the user of information indicating the recommended use device determined by the determination unit 107.
- the notification unit 108 stops reporting information indicating the recommended use device until the control unit performs charging of the secondary battery from the charging device. May be.
- the notification unit 108 causes the display unit 109 to display information indicating recommended use devices. Thereby, the alerting
- the display unit 109 displays information indicating recommended use devices.
- the display unit 109 may be, for example, a liquid crystal display or an organic EL display, or a picture or a character indicating a recommended display drawn in advance by selectively lighting a plurality of lamps such as LEDs is selected. It may be in the form of being displayed as described. Specifically, as described with reference to FIG. 1B, the user is displayed by displaying one of the first recommendation display 21, the second recommendation display 22, and the third recommendation display 23. Displays information indicating the recommended device to use.
- the operations performed in the storage battery pack 100 include two processes, a log information acquisition process and a recommended display process.
- FIG. 6 is a flowchart showing an example of a log information acquisition process.
- the control unit 103 determines whether the secondary battery 101 is being charged or discharged (S11). That is, the log information acquisition process is performed during charging or discharging.
- the detection unit 104 detects the secondary battery information of the secondary battery 101 (S12).
- the process returns to step S11. That is, the detection unit 104 waits to detect the secondary battery information of the secondary battery 101 until the secondary battery 101 is being charged or discharged.
- the detection unit 104 as the secondary battery information of the secondary battery 101, the date and time when the secondary battery 101 was charged or discharged, the nominal capacity ratio SOC, the number of charge / discharge cycles, The internal resistance value and the battery voltage difference are detected, and the secondary battery information is output to the first storage unit 105.
- the first storage unit 105 stores the secondary battery information output by the detection unit 104 (S13).
- control part 103 determines whether charge or discharge of the secondary battery 101 was complete
- the control unit 103 determines that charging or discharging of the secondary battery 101 has ended (S14: Yes)
- the log information acquisition process ends.
- step S12 and step S13 are repeated.
- step S12 and step S13 may be repeated after a predetermined period has elapsed.
- the log information acquisition process described above is performed during charging or discharging. This is because the state of the secondary battery 101 easily changes during the charging or discharging period, and the state of the secondary battery 101 hardly changes during other periods, and it is not necessary to acquire log information. It is. However, since the secondary battery 101 is self-discharged even during other periods, the state of the secondary battery 101 can change. In order to cope with this, the detection unit 104 may acquire the state of the secondary battery 101 every predetermined period even during other periods.
- FIG. 7 is a flowchart showing an example of the recommended display process.
- the recommended display process is performed when the storage battery pack 100 has reached a predetermined timing. That is, in the recommended display process, first, the control unit 103 determines whether or not a predetermined timing has come (S21).
- the “predetermined timing” may be a timing when charging is completed, or may be a time predetermined by the user. Moreover, although mentioned later, when the input reception part is provided in the storage battery pack, it is good also as a timing when the physical button of the storage battery pack was pushed by the user.
- the control unit 103 (S21: Yes), the determination unit 107 determines whether or not the elapsed period is equal to or greater than a predetermined value from the date and time when the secondary battery 101 was last charged or discharged (S22). When the control unit 103 determines that it is not a predetermined timing (S21: No), the determination in step S21 is repeated. That is, the determination unit 107 waits for the determination in step S22 until the charging of the secondary battery 101 is completed.
- the recommendation table is based on the secondary battery information stored in the first storage unit 105. Are collated (S23).
- the control unit 103 determines whether or not the secondary battery 101 is fully charged. Is determined (S24). Then, when the control unit 103 determines that the secondary battery 101 is fully charged, the determination unit 107 detects the secondary detected by the detection unit 104 when charging is performed when fully charged. The recommended table is collated with the battery information (S25).
- the determination unit 107 checks the recommended table using the secondary battery information until the battery is fully charged. stand by.
- the determination part 107 determines the result collated in step S23 or the result collated in step S25 as a use recommendation apparatus (S26).
- the notification unit 108 notifies the user by displaying information indicating the recommended use device determined by the determination unit 107 on the display unit 109 (S27), and ends the recommendation display process.
- the storage battery pack 100 even when the storage battery pack 100 that can be used by connecting to a plurality of different types of devices is used, if the storage battery pack 100 is connected to any device and used, The user can determine at a glance whether the storage battery pack 100 can be used effectively. For this reason, the storage battery pack 100 is likely to be used with a recommended device if it can be used effectively, and when used with a recommended device, the storage battery pack 100 can be appropriately discharged according to its lifetime or capacity. it can.
- the secondary battery information indicating the state of the secondary battery 101 is reliable when the elapsed period from the date of the last charge or discharge is less than a predetermined value.
- the determination unit 107 determines a recommended use device using the secondary battery information. For this reason, the determination part 107 can determine a recommended use apparatus correctly, and the alerting
- the determination unit 107 uses the secondary battery information detected by the detection unit 104 when the control unit 103 newly performs charging from the charging device to the secondary battery 101, Recommended equipment to use is determined. That is, when the secondary battery information is unreliable information, the determination unit 107 reacquires reliable secondary battery information, and determines a recommended use device using the acquired secondary battery information. ing. For this reason, even when the elapsed period from the date of the last charge or discharge is a predetermined value or more, the determination unit 107 can accurately determine the recommended use device.
- the notification unit 108 stops reporting information indicating the recommended use device until the control unit 103 charges the secondary battery 101 from the charging device. For this reason, the determination part 107 can prevent determining use recommendation apparatus using secondary battery information with low reliability.
- the storage battery pack 100 since information indicating recommended use devices is displayed on the display unit 109 of the storage battery pack 100, the user can use the storage battery pack alone without any device other than the storage battery pack.
- the use recommendation apparatus of the said storage battery pack can be confirmed.
- the plurality of different types of devices are classified into two types: a high output load device and a low output load device, depending on the degree of the output load of the device. However, it may be classified not only into two according to the degree of the output load of the device but also into three or more. In addition, according to the degree of capacity load of the device, it is classified into two types, that is, a device with a large capacity load and a device with a small capacity load, but it is only classified into two according to the degree of capacity load of the device. Instead, it may be classified into three or more. By classifying in this way, the user can easily and more accurately determine a device suitable for the storage battery pack 100 to discharge.
- the detection unit 104 may further detect an abnormal state of the secondary battery 101.
- the notification unit 108 may notify the user of information indicating the abnormal state.
- the detection of the abnormal state of the secondary battery 101 by the detection unit 104 may be performed after the determination in step S22, for example, in the flowchart of the recommendation process described in FIG.
- the notification unit 108 indicates that the secondary battery 101 is abnormal. Display may be performed on the display unit 109 and the recommendation process may be terminated.
- the detection unit 104 may detect an abnormal state of the secondary battery 101 before the full charge determined in step S24 is performed. Also in this case, when the abnormal state of the secondary battery 101 is detected, the notification unit 108 causes the display unit 109 to display that the secondary battery 101 is abnormal, and the recommendation process is terminated. Good.
- the detection of the abnormal state of the secondary battery 101 performed by the detection unit 104 detects at least one of the number of charge / discharge cycles, the internal resistance value, and the battery voltage difference, and detects the detected number of charge / discharge cycles, internal When at least one of the resistance value and the battery voltage difference is out of the predetermined range, it is determined that the secondary battery 101 is in an abnormal state.
- storage part 105 of the storage battery pack 100 has memorize
- the secondary battery 101 may be determined to be in an abnormal state when the value is out of a predetermined range.
- the notification unit 108 displays the recommended use device determined by the determination unit 107 on the display unit 109 provided in the storage battery pack 100, but the display provided in devices other than the storage battery pack 100 includes The form may be displayed on the part.
- FIG. 8 is a diagram showing an external appearance of a power storage system including the storage battery pack according to the second embodiment.
- FIG. 9 is a block diagram illustrating an example of a configuration of the power storage system according to Embodiment 2.
- the power storage system 1 includes a plurality of storage battery packs 100 a and 100 b and a charging device 200.
- the storage battery pack 100a further includes a communication unit 110 in addition to the configuration of the storage battery pack 100 according to the first embodiment.
- the storage battery pack 100b is the structure which is further provided with the communication part 110 in the structure of the storage battery pack 100 which concerns on Embodiment 1, and does not have the display part 109.
- FIG. Since other configurations of the storage battery packs 100a and 100b are the same as those of the storage battery pack 100 according to Embodiment 1, the description thereof is omitted.
- the notification unit 108 outputs information indicating the recommended use device determined by the determination unit 107 to the communication unit 110.
- the communication unit 110 transmits information indicating the recommended use device output from the notification unit 108 to the charging device 200 via the connection unit 102. That is, the notification unit 108 transmits information indicating the recommended use device to the charging device 200 via the connection unit 102 and causes the charging device 200 to display information indicating the recommended use device. Thereby, the alerting
- the connection unit 102 is configured not only to input and output power between the secondary battery 101 and the device connected to the connection unit 102 but also to input and output communication data from the communication unit 110. .
- the charging device 200 includes a charging control unit 201, a power supply unit 202, a communication unit 203, a display control unit 204, a display unit 205, and a battery connection unit 206.
- the charging control unit 201 charges the storage battery packs 100a and 100b by supplying the DC power supplied from the power supply unit 202 to the storage battery packs 100a and 100b via the battery connection unit 206. Specifically, the charging control unit 201 ends the charging when the storage battery packs 100a and 100b are fully charged.
- the power source unit 202 converts AC power acquired from the AC power source 300, which is a commercial power source, into DC power, further converts it into DC power having a voltage suitable for the storage battery packs 100a and 100b, and converts the converted power into the charging control unit 201. To supply.
- the communication unit 203 receives information transmitted from the communication unit 110 of the storage battery packs 100a and 100b. Specifically, the communication unit 203 receives information indicating the recommended use device transmitted from the communication unit 110 of the storage battery packs 100a and 100b, and transmits the information to the charging device 200.
- the display control unit 204 causes the display unit 205 to display information indicating the recommended use device received by the communication unit 203.
- the display unit 205 displays information indicating recommended use devices.
- the details of the display contents displayed by the display unit 205 are the same as those of the display unit 109 described in FIG.
- the battery connection part 206 is detachable and electrically connectable to the connection part 102 of the storage battery packs 100a and 100b.
- the battery connection unit 206 is configured not only to input and output power between the storage battery packs 100 a and 100 b and the charge control unit 201 but also to input and output communication data from the communication unit 110.
- the notification unit 108 transmits information indicating the recommended use device determined by the determination unit 107 to the communication unit 110 to the charging device 200, thereby displaying the charging device 200.
- a recommended use device is displayed on the unit 205.
- the target notified by the notification unit 108 may not be the storage battery pack itself, but may be the display unit 205 provided in the charging device 200. For this reason, even if it is the thing of the structure which does not have the display part 109 by itself like the storage battery pack 100b, a user can be notified of the use recommendation apparatus of a storage battery pack.
- the notification unit 108 transmits information indicating the recommended use device to the charging device 200 via the communication unit 110, and indicates the recommended use device to the charging device 200.
- the device to be notified is not limited to the charging device 200.
- the notification unit 108 transmits information indicating a recommended use device to an external communication terminal having a display unit such as a smartphone via the communication unit 110, and causes the external communication terminal to display information indicating the recommended use device. Also good.
- reporting part 108 may alert
- the communication unit 110 can communicate with an external communication terminal.
- the communication unit 110 may be a communication interface connected to an external communication terminal by wire, or a communication module capable of wireless communication such as a wireless LAN or Bluetooth (registered trademark). Also good.
- Embodiment 3 In storage battery packs 100, 100a, and 100b according to Embodiment 1 and Embodiment 2, the state of secondary battery 101 is detected by detection unit 104 provided inside storage battery packs 100, 100a, and 100b. However, it is good also as a structure which detects the state of the secondary battery of a storage battery pack.
- FIG. 10 is a block diagram illustrating an example of the configuration of the power storage system according to the third embodiment.
- the power storage system 1a includes a storage battery pack 100c and a charging device 200a.
- Storage battery pack 100c differs from the configuration of storage battery packs 100, 100a, and 100b according to Embodiments 1 and 2 in that it is configured only by secondary battery 101 and connection unit 102. Since the configuration of secondary battery 101 and connection unit 102 is the same as that of storage battery pack 100 according to Embodiment 1, the description thereof is omitted.
- the charging device 200a includes a charging control unit 201, a power supply unit 202, a display control unit 204, a display unit 205, a battery connection unit 206, a battery detection unit 207, a storage unit 208, and a device determination unit 209.
- Battery connection unit 206 is different from battery connection unit 206 of the second embodiment in that it is connected to battery detection unit 207.
- the battery connection unit 206 is connected to the connection unit 102 of the storage battery pack 100c.
- the battery connection unit 206 supplies power for charging the storage battery pack 100c to the connection unit 102 of the storage battery pack 100c, or the battery detection unit 207 detects the state of the secondary battery 101 of the storage battery pack 100c. In order to do so, it is electrically connected to the connection part 102 of the storage battery pack 100c.
- the battery detection unit 207 detects the state of the secondary battery 101 of the storage battery pack 100c, and outputs the detected result as secondary battery information.
- the storage unit 208 stores a recommendation table in which a predetermined condition based on the state of the secondary battery 101 and a plurality of recommended use devices suitable for the condition are associated in advance.
- the device determination unit 209 determines a recommended use device using the state of the secondary battery indicated by the secondary battery information and the recommendation table.
- the display control unit 204 causes the display unit 205 to display information indicating the recommended use device determined by the device determination unit 209.
- the display unit 205 displays information indicating recommended use devices.
- the functions of the battery detection unit 207, the storage unit 208, the device determination unit 209, and the display control unit 204 are the same as the detection unit 104 of the storage battery packs 100, 100a, and 100b of the first embodiment and the second embodiment, respectively. 2 are the same as the functions of the storage unit 106, the determination unit 107, and the notification unit 108 in FIG.
- the configuration of the charging control unit 201, the power supply unit 202, and the display unit 205 is the same as each configuration of the charging device 200 described in the second embodiment, and thus detailed description thereof is omitted.
- FIG. 11 is a flowchart showing a charging process of the charging device according to the third embodiment.
- the battery detection unit 207 determines whether or not the storage battery pack 100c is connected to the battery connection unit 206 (S31). When the battery detection unit 207 determines that the storage battery pack 100c is connected to the battery connection unit 206 (S31: Yes), the battery detection unit 207 determines whether the secondary battery 101 of the storage battery pack 100c is in an abnormal state ( S32). If the battery detection unit 207 determines that the storage battery pack 100c is not connected to the battery connection unit (S31: No), the process returns to the process of step S31. That is, the battery detection unit 207 waits to perform the detection process of the abnormal state of the secondary battery 101 until the storage battery pack 100c is connected to the battery connection unit 206. The detection of the abnormal state of the secondary battery 101 of the storage battery pack 100c performed by the battery detection unit 207 is the same as the detection of the abnormal state performed by the detection unit 104 of the first embodiment.
- the display control unit 204 indicates that the secondary battery 101 of the storage battery pack 100c is in an abnormal state.
- Information to be displayed is displayed on the display unit 205 (S33), and the charging process is terminated.
- the display control unit 204 indicates that the secondary battery 101 of the storage battery pack 100c is being charged. Information is displayed on the display unit 205 (S34).
- the charge control part 201 charges the secondary battery 101 of the storage battery pack 100c (S35).
- the battery detection unit 207 determines whether or not the secondary battery 101 of the storage battery pack 100c is fully charged (S36).
- the display control unit 204 indicates that the secondary battery 101 in the storage battery pack 100c is in a fully charged state. Information indicating this is displayed on the display unit 205 (S37).
- the process of step S36 is repeated. That is, the display control unit 204 waits to display information indicating the fully charged state on the display unit 205 until the battery detection unit 207 determines that the secondary battery 101 of the storage battery pack 100c is fully charged. .
- the device determination unit 209 collates the recommended table with the secondary battery information detected by the battery detection unit 207 when charging when fully charged is performed (S38), and collation is performed in step S38. The result is determined as a recommended use device (S39).
- the display control part 204 notifies a user by displaying the information which shows the use recommendation apparatus determined by the apparatus determination part 209 on the display part 205 (S40), and complete
- the charging device 200a detects the state of the secondary battery 101 of the storage battery pack 100c connected to the battery connection unit 206, and uses the recommended device using the detected result. And the user is notified of the recommended use device of the storage battery pack 100c by displaying the determined recommended use device on the display unit 205 of the charging device 200a. Therefore, the storage battery pack 100c includes the detection unit 104, the first storage unit 105, the second storage unit 106, the determination unit 107, and the notification unit 108 described in the first and second embodiments. Even if it is a structure which is not, the use recommendation apparatus of the storage battery pack 100c can be determined with the structure of the charging device 200a, and a user can be alert
- the storage battery pack 100c is configured only by the secondary battery 101 and the connection unit 102. This indicates the minimum configuration of the storage battery pack 100c for realizing the third embodiment. Yes. For this reason, as long as the secondary battery 101 and the connection part 102 are provided, even if it is a storage battery pack of another structure, there can exist an effect similar to the electrical storage system 1a of Embodiment 3.
- the storage battery pack 100 has a configuration that does not include an input reception unit that receives an input by a user. However, as illustrated in FIG. 12, the storage battery pack 100d that includes the input reception unit 111 is further provided. It may be adopted.
- the storage battery pack 100d has a configuration in which an input receiving unit 111 is further provided in the storage battery pack 100 of FIG.
- the storage battery pack 100d is different from the configuration of the storage battery pack 100 in the processing performed by the second storage unit 106 and the determination unit 107 based on the input received by the input receiving unit 111. Since the other structure of the storage battery pack 100d is the same as that of the storage battery pack 100, description is abbreviate
- the input reception unit 111 receives device information indicating a device.
- the input receiving unit 111 receives device information that is information indicating a device to which the secondary battery 101 is to be discharged, to which the connection unit 102 of the storage battery pack 100d is connected.
- the second storage unit 106 stores a plurality of types of devices in association with device information received by the input receiving unit 111.
- the determination unit 107 determines a recommended use device from among the devices indicated by the device information received by the input receiving unit 111 among a plurality of recommended use devices associated with the recommendation table.
- a recommended use device is determined from a plurality of devices corresponding to the device indicated by the device information received by the input receiving unit 111. Therefore, the display unit 109 is owned by the user. Only the recommended use devices corresponding to the devices are displayed. As a result, a device that is not owned by the user is not recommended, and the user can easily determine a device that should use the storage battery pack 100d.
- the input reception part 111 of the storage battery pack 100d shown in FIG. 12 may be used for purposes other than receiving device information.
- the recommended display process may be started.
- the control unit 103 is started when it is determined that the charging of the secondary battery 101 is completed. That is, the determination of the start of the recommended display process ( Step S21) in FIG. 7 shows that instead of determining that charging has been completed, the user has made an input (see above) that causes the input receiving unit 111 to start the recommended display process of the storage battery pack 100d. Alternatively, it may be used to determine the start of the recommended display process.
- the storage battery pack 100a has a configuration that does not include an input reception unit, as in the storage battery pack 100, but further includes a storage battery that includes an input reception unit 111 as shown in FIG.
- the pack 100e may be adopted.
- the input receiving unit 111 may have the same configuration as the input receiving unit 111 provided in the storage battery pack 100d shown in FIG. 12 or a different configuration.
- the input receiving unit 111 having a different configuration may have a function of receiving information related to input from an external device via the communication unit 110.
- a configuration in which an input device such as a keyboard or a touch panel is connected to the outside to accept an input from the input device may be used.
- the determination unit 107 and the device determination unit 209 include, for example, the secondary battery 101 stored in the first storage units 105 and 208. If the ratio of the nominal capacity to SOC in this state satisfies X% or more and ⁇ % or more, it is possible to determine recommended equipment for both high output load and large capacity load.
- the first storage unit 105 and the second storage unit 106 have different configurations, but have one storage. Part.
- each component may be configured by dedicated hardware or may be realized by executing a software program suitable for each component.
- Each component may be realized by a program execution unit such as a CPU or a processor reading and executing a software program recorded on a recording medium such as a hard disk or a semiconductor memory.
- the present disclosure is not limited to this embodiment. Unless it deviates from the gist of the present disclosure, various modifications conceived by those skilled in the art have been made in the present embodiment, and forms constructed by combining components in different embodiments are also possible. It may be included within the scope of the embodiments.
- the present disclosure is useful as a storage battery pack and a charging device that can appropriately display the use of the storage battery pack.
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Abstract
Description
本発明者は、「背景技術」の欄において記載した、充電装置に関し、以下の問題が生じることを見出した。
図1は、実施の形態1に係る蓄電池パックの外観および表示部の詳細を示す図である。より具体的には、図1の(a)は、蓄電池パック100の外観を示す斜視図である。図1の(b)は、蓄電池パック100の表示部109の詳細を示す図である。
実施の形態1に係る蓄電池パック100では、報知部108は、決定部107により決定された使用推奨機器を蓄電池パック100が備える表示部109に表示させたが、蓄電池パック100以外の機器が備える表示部に表示させる形態であってもよい。
実施の形態1および実施の形態2に係る蓄電池パック100、100a、100bでは、二次電池101の状態を蓄電池パック100、100a、100b内部に備えられる検知部104により検知しているが、充電装置が蓄電池パックの二次電池の状態を検知する構成としてもよい。
上記実施の形態1に係る蓄電池パック100は、使用者による入力を受け付ける入力受付部を備えていない構成であるが、図12に示すように、さらに、入力受付部111を備えた蓄電池パック100dを採用してもよい。蓄電池パック100dは、図2の蓄電池パック100にさらに、入力受付部111を設けた構成である。また、蓄電池パック100dは、第2の記憶部106および決定部107が入力受付部111により受け付けられた入力に基づいて行う処理が蓄電池パック100の構成と異なる。蓄電池パック100dのその他の構成は、蓄電池パック100と同様であるため説明を省略する。
10 第1の表示部
20 第2の表示部
21 第1の推奨表示
22 第2の推奨表示
23 第3の推奨表示
41 単電池群
42 単電池
100,100a,100b,100c,100d,100e 蓄電池パック
101 二次電池
102 接続部
103 制御部
104 検知部
105 第1の記憶部
106 第2の記憶部
107 決定部
108 報知部
109 表示部
110 通信部
111 入力受付部
200,200a 充電装置
201 充電制御部
202 電源部
203 通信部
204 表示制御部
205 表示部
206 電池接続部
207 電池検知部
208 記憶部
209 機器決定部
300 AC電源
Claims (16)
- 二次電池と、
互いに異なる複数種類の機器および充電装置に着脱自在に電気的に接続可能な接続部と、
前記接続部を介して前記二次電池から前記機器への放電と、前記接続部を介して前記充電装置から前記二次電池への充電と、を制御する制御部と、
前記二次電池の状態を検知して、検知した結果を二次電池情報として出力する検知部と、
前記検知部により出力された前記二次電池情報を記憶する第1の記憶部と、
前記二次電池の状態に基づいて予め定められた条件と前記条件に適した複数の使用推奨機器とが予め対応づけられた推奨テーブルを記憶している第2の記憶部と、
前記二次電池情報が示す前記二次電池の状態と前記推奨テーブルとを用いて、前記使用推奨機器を決定する決定部と、
前記決定部が決定した前記使用推奨機器を示す情報を使用者に報知する報知部と
を備える蓄電池パック。 - 前記第2の記憶部は、前記二次電池の状態に基づいて予め定められた前記条件を複数記憶しており、
前記決定部は、前記推奨テーブルの前記複数の条件のうち、前記二次電池情報が示す前記二次電池の状態が満たしている条件に対応づけられている機器を、前記複数種類の機器から前記使用推奨機器として決定する
請求項1に記載の蓄電池パック。 - 前記検知部は、前記二次電池の充電または放電が行われた日時を検知し、検知した日時を前記二次電池情報として出力し、
最後に充電または放電した前記日時からの経過期間が所定値未満であると、
前記決定部は、前記第1の記憶部が記憶している前記二次電池情報と前記推奨テーブルとを用いて、前記使用推奨機器を決定する
請求項1または2に記載の蓄電池パック。 - 前記検知部は、前記二次電池の充電または放電が行われた日時を検知し、検知した日時を前記二次電池情報として出力し、
最後に充電または放電した前記日時からの経過期間が所定値以上であると、
前記決定部は、前記制御部が前記充電装置から前記二次電池への充電を新たに実行しているときに前記検知部により検知された前記二次電池情報と、前記推奨テーブルとを用いて、前記使用推奨機器を決定する
請求項1-3のいずれか1項に記載の蓄電池パック。 - 最後に充電または放電した前記日時からの経過期間が所定値以上であると、
前記報知部は、前記制御部が前記充電装置から前記二次電池に充電を実行するまでは、前記使用推奨機器を示す情報の報知を停止する
請求項4に記載の蓄電池パック。 - さらに、
前記使用推奨機器を示す情報を表示する表示部を備え、
前記報知部は、前記表示部に前記使用推奨機器を示す情報を表示させる
請求項1-5のいずれか1項に記載の蓄電池パック。 - 前記充電装置は表示部を備えており、
前記報知部は、前記接続部を介して前記使用推奨機器を示す情報を前記充電装置に送信し、前記使用推奨機器を示す情報を前記充電装置に表示させる
請求項1-6のいずれか1項に記載の蓄電池パック。 - さらに、
表示部を有する外部の通信端末と通信する通信部を備え、
前記報知部は、前記通信部によって前記使用推奨機器を示す情報を前記外部の通信端末に送信し、前記使用推奨機器を示す情報を前記外部の通信端末に表示させる
請求項1-7のいずれか1項に記載の蓄電池パック。 - 前記検知部は、前記二次電池の状態として前記二次電池の対公称容量比SOCを検知し、検知した対公称容量比SOCを前記二次電池情報として出力し、
前記決定部は、前記対公称容量比SOCが所定値以上であると、高出力負荷の機器を前記使用推奨機器として決定し、前記対公称容量比SOCが所定値未満であると、低出力負荷の機器を前記使用推奨機器として決定する
請求項1-8のいずれか1項に記載の蓄電池パック。 - 前記検知部は、前記二次電池の状態として前記二次電池の充放電サイクル数を検知し、
前記決定部は、前記充放電サイクル数が所定値未満であると、高出力負荷の機器を前記使用推奨機器として決定し、前記充放電サイクル数が所定値以上であると、低出力負荷の機器を前記使用推奨機器として決定する
請求項1-9のいずれか1項に記載の蓄電池パック。 - 前記検知部は、前記二次電池の状態として前記二次電池の内部抵抗値を検知し、
前記決定部は、前記内部抵抗値が所定値未満であると、高出力負荷の機器を前記使用推奨機器として決定し、前記内部抵抗値が所定値以上であると、低出力負荷の機器を前記使用推奨機器として決定する
請求項1-10のいずれか1項に記載の蓄電池パック。 - 前記検知部は、前記二次電池の状態として前記二次電池の電池電圧差を検知し、
前記決定部は、前記電池電圧差が所定値未満であると、高出力負荷の機器を前記使用推奨機器として決定し、前記電池電圧差が所定値以上であると、低出力負荷の機器を前記使用推奨機器として決定する
請求項1-11のいずれか1項に記載の蓄電池パック。 - 前記検知部は、前記二次電池の状態として前記二次電池の対公称容量比SOCを検知し、
前記決定部は、前記対公称容量比SOCが所定値以上であると、大容量を要求する機器を前記使用推奨機器として決定し、前記対公称容量比SOCが所定値未満であると、小容量を要求する機器を前記使用推奨機器として決定する
請求項1-12のいずれか1項に記載の蓄電池パック。 - さらに、
前記検知部は、前記二次電池の異常状態を検知し、
前記報知部は、前記検知部が前記二次電池の異常状態を検知すると、当該異常状態を示す情報を使用者に報知する
請求項1-13のいずれか1項に記載の蓄電池パック。 - さらに、
機器を示す機器情報を受け付ける入力受付部を備え、
前記第2の記憶部は、前記複数種類の機器と前記入力受付部において受け付けられた前記機器情報とを対応付けて記憶しており、
前記決定部は、前記推奨テーブルに対応づけられている前記複数の使用推奨機器のうちで、前記入力受付部において受け付けられた前記機器情報により示される機器の中から前記使用推奨機器を決定する
請求項1-14のいずれか1項に記載の蓄電池パック。 - 二次電池を含み、かつ、互いに異なる複数種類の機器に使用可能な蓄電池パックを、充電する充電装置であって、
前記蓄電池パックと着脱自在に接続される電池接続部と、
前記電池接続部を介して前記蓄電池パックを充電する充電制御部と、
前記電池接続部を介して前記二次電池の状態を検知して、検知した結果を二次電池情報として出力する電池検知部と、
前記二次電池の状態に基づいて予め定められる条件と前記条件に適した複数の使用推奨機器とが予め対応づけられた推奨テーブルを記憶している記憶部と、
前記二次電池情報が示す前記二次電池の状態と前記推奨テーブルとを用いて、前記使用推奨機器を決定する機器決定部と、
表示部と、
前記機器決定部が決定した前記使用推奨機器を示す情報を前記表示部に表示させる表示制御部と
を備える充電装置。
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