WO2021205766A1 - 中古バッテリーユニット保管庫 - Google Patents
中古バッテリーユニット保管庫 Download PDFInfo
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- WO2021205766A1 WO2021205766A1 PCT/JP2021/006636 JP2021006636W WO2021205766A1 WO 2021205766 A1 WO2021205766 A1 WO 2021205766A1 JP 2021006636 W JP2021006636 W JP 2021006636W WO 2021205766 A1 WO2021205766 A1 WO 2021205766A1
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- Prior art keywords
- unit
- battery unit
- used battery
- storage
- charge
- Prior art date
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- 230000006866 deterioration Effects 0.000 claims description 61
- 238000007599 discharging Methods 0.000 abstract description 13
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 27
- 230000008569 process Effects 0.000 description 21
- 238000012545 processing Methods 0.000 description 12
- 238000013459 approach Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- 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
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/387—Determining ampere-hour charge capacity or SoC
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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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
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- 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
- H01M10/4221—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells with battery type recognition
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- 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
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4285—Testing apparatus
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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- 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
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
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- 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
- H01M10/54—Reclaiming serviceable parts of waste accumulators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
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- H—ELECTRICITY
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00038—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors
- H02J7/00041—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors in response to measured battery parameters, e.g. voltage, current or temperature profile
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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
- H02J7/0047—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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- 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
- H02J7/005—Detection of state of health [SOH]
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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
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
Definitions
- the present invention relates to a storage of a used battery unit.
- Patent Document 1 a battery storage has been proposed.
- Patent Document 1 It is conceivable to apply the technology of Patent Document 1 to a storage for storing used battery units in order to carry out a reuse business of used battery units.
- Patent Document 1 does not consider effectively utilizing the electric power at the time of discharging or suppressing the electricity bill at the time of charging.
- BMU Battery Management Interface
- CCU Cell Control Unit
- an object of the present invention is to provide a used battery unit storage that can economically store a plurality of used battery units while suppressing deterioration of used battery units of various manufacturers during storage.
- the used battery unit storage of the present invention is A storage for storing multiple used battery units
- a storage unit that stores a predetermined SOC (State Of Charge) range according to the characteristics of each of the plurality of used battery units, and a storage unit.
- a connection circuit that electrically connects the plurality of used battery units to each other,
- a recognition unit that is connected to the plurality of used battery units that are stored and recognizes the current value and voltage value of each.
- a discharge target battery unit that causes discharge from the plurality of used battery units based on the recognition result by the recognition unit and the predetermined SOC range of each of the plurality of used battery units stored in the storage unit.
- the selection part to select the battery unit to be charged to be charged, and
- the discharge target battery unit is discharged so that the SOCs of the discharge target battery unit and the charge target battery unit are within the predetermined SOC range, and the discharged power is charged to the charge target battery unit. It is characterized by including a charge / discharge control unit.
- each current value and voltage value are recognized by the recognition unit connected to the plurality of used battery units stored.
- the SOC of used battery units of various manufacturers can be recognized, and the used battery unit can be charged or discharged so as to be within a predetermined SOC range according to the characteristics of each used battery unit. Can be suppressed.
- the charge / discharge control unit charges the battery unit to be charged with the electric power discharged from the battery unit to be discharged.
- the electric power used to charge the used battery unit in the storage is economical because it is covered by the electric power generated by the discharge of other used battery units.
- the used battery unit storage of the present invention it is possible to economically store a plurality of used battery units while suppressing deterioration during storage of used battery units of various manufacturers.
- a charging unit that is electrically connected to the connection circuit and charges the plurality of used battery units is provided.
- the selection unit is insufficient. It is configured to select the charging unit as the power source for supplying power.
- the charge / discharge control unit discharges from the discharge target battery unit or discharges from the charge unit so that the SOCs of the discharge target battery unit and the charge target battery unit are within the predetermined SOC range. It is preferable that the discharged electric power is configured to charge the charging target battery unit.
- the insufficient electric power is supplied from the charger.
- the certainty that the used battery unit is charged or discharged so as to be within the predetermined SOC range of each used battery unit is increased, and the certainty that the deterioration of the used battery unit can be suppressed is also increased.
- the used battery unit storage of the present invention it is possible to economically store a plurality of used battery units while surely suppressing deterioration of used battery units of various manufacturers during storage.
- the used battery unit storage of the present invention It is provided with a power output unit that is electrically connected to the connection circuit, receives power from the plurality of used battery units, and outputs the power.
- the selection unit exceeds the amount of electric power required to charge the battery unit to be charged. It is configured to select the power output unit as the target for supplying power.
- the charge / discharge control unit discharges from the discharge target battery unit so as to be within the predetermined SOC range of the discharge target battery unit and the charge target battery unit, and charges the discharged electric power. It is preferable that the battery unit is charged or the discharged electric power is supplied to the electric power output unit.
- the surplus electric power is output from the power output unit.
- the certainty that the used battery unit is charged or discharged so as to be within the predetermined SOC range of each used battery unit is increased, and the certainty that the deterioration of the used battery unit can be suppressed is also increased.
- the surplus power can be output from the power output unit and used for other purposes, the surplus power is not wasted and is economical.
- the used battery unit storage of the present invention it is possible to economically store a plurality of used battery units while surely suppressing deterioration of used battery units of various manufacturers during storage.
- a power output unit that is electrically connected to the connection circuit, receives power from the plurality of used battery units, and outputs the power. It is provided with a power output instruction receiving unit that receives an input of a power output instruction from the power output unit by the user.
- the selection unit selects the used battery unit having the highest SOC among the plurality of used battery units as the discharge target battery unit.
- the power output unit is configured to be selected as a target for supplying power to be discharged from the discharge target battery unit.
- the charge / discharge control unit is configured to discharge from the discharge target battery unit and supply the discharged power to the power output unit so as to be within the SOC range of the discharge target battery unit. It is preferable to have.
- the power output instruction receiving unit receives the input of the power output instruction from the power output unit according to the user's operation.
- the selection unit selects the used battery unit having the highest SOC among the plurality of used battery units as the discharge target battery unit, and the used battery unit is discharged from the discharge target battery unit.
- the power output unit is selected as the target for supplying power.
- a battery with a high SOC has a high voltage and can reduce the current when discharging, so discharging from a battery with a high SOC has a smaller battery load than discharging from a battery with a low SOC. , Effective in suppressing battery deterioration.
- a battery unit having a high SOC is preferentially selected as the battery unit to be discharged, so that the load on the used battery to be discharged can be kept small and the deterioration of the battery can be effectively suppressed. can do.
- the used battery unit storage of the present invention it is possible to economically store a plurality of used battery units while effectively suppressing deterioration of used battery units of various manufacturers during storage.
- the charge / discharge control unit is preferably configured to supply the power supplied to the power output unit as the power required for the operation of the used battery unit storage.
- the charge / discharge control unit supplies the power supplied to the power output unit as the power required for the operation of the used battery unit storage.
- the electric power output from the electric power output unit can be used as the electric power required for the operation of the used battery unit storage, so that the surplus electric power is not wasted and is economical.
- the used battery unit storage of the present invention it is possible to economically store a plurality of used battery units while suppressing deterioration during storage of used battery units of various manufacturers.
- a deterioration state acquisition unit that acquires the deterioration state of each of the plurality of used battery units and stores them in the storage unit in chronological order.
- a deterioration tendency acquisition unit that acquires the deterioration tendency of each of the plurality of used battery units based on the deterioration state stored in time series, and
- An SOC range determination unit that periodically or irregularly determines the predetermined SOC range of each of the plurality of used battery units according to the deterioration tendency of each of the plurality of used battery units and stores them in the storage unit.
- the deteriorated state acquisition unit acquires the deteriorated state of each of the plurality of used battery units and stores them in the storage unit in chronological order.
- the deterioration tendency acquisition unit acquires the deterioration tendency of each of the plurality of used battery units based on the deterioration state stored in time series.
- the SOC range determination unit determines a predetermined SOC range of each of the plurality of used battery units periodically or irregularly according to the deterioration tendency of each of the plurality of used battery units and stores them in the storage unit. NS.
- the predetermined SOC range of each of the plurality of used battery units is reviewed regularly or irregularly in consideration of the deterioration tendency of each of the plurality of used battery units, so that the deterioration of the used battery unit can be suppressed. Increased certainty.
- the used battery unit storage of the present invention it is possible to economically store a plurality of used battery units while surely suppressing deterioration of used battery units of various manufacturers during storage.
- the block diagram which shows the whole image of the used battery unit storage of this invention The block diagram which shows the whole image of the used battery unit storage of this invention.
- the figure which shows the content of the data which the used battery unit storage of this invention uses for processing The figure which shows the content of the data which the used battery unit storage of this invention uses for processing.
- the flowchart which shows the processing content of the used battery unit storage of this invention The flowchart which shows the processing content of the used battery unit storage of this invention.
- the flowchart which shows the processing content of the used battery unit storage of this invention The flowchart which shows the processing content of the used battery unit storage of this invention.
- the flowchart which shows the processing content of the used battery unit storage of this invention The flowchart which shows the processing content of the used battery unit storage of this invention.
- the used battery unit storage of the present embodiment is a storage for storing a plurality of used battery units BU (BUa, BUb, BUc ...), and includes a storage main body 10, a charging unit 30, and a power output unit 50. , Is included.
- the storage main body 10 includes a storage unit 110, a connection circuit 130, a storage control unit 150, a recognition unit 170, and an input unit 190.
- the storage unit 110 is composed of storage devices such as a ROM (Read Only Memory), a RAM (Random Access Memory), and an HDD (Hard Disk Drive).
- ROM Read Only Memory
- RAM Random Access Memory
- HDD Hard Disk Drive
- the storage unit 110 stores, for example, information on a predetermined SOC (State Of Charge) range according to the characteristics of each of the plurality of used battery units BUs, and stores information on the deterioration state of each of the plurality of used battery units BUs. I remember it in series.
- SOC State Of Charge
- the information regarding the SOC range includes the used battery unit ID that identifies the used battery unit BU, and the information on the lower limit value and the upper limit value of the SOC according to the characteristics of each of the used battery unit BUs. ..
- Information on the SOC range may be stored in the storage unit 110 by being input by the user via the input unit 190, for example, when the storage of each used battery unit BU is started, or the SOC range determination unit 161 may store the information.
- the SOC range of the used battery unit BU is determined based on information such as the manufacturer, model number, charging capacity, manufacturing time, usage history, and deterioration state of the used battery unit BU, and is stored in the storage unit 110. You may be.
- the information on the deterioration state of each of the plurality of used battery unit BUs includes information on the acquisition date and time of the deterioration state, the used battery unit ID, and the SOH (State Of Health) value of the used battery unit BU. I'm out.
- connection circuit 130 is, for example, a DC bus that electrically connects a plurality of used battery units BU to each other.
- the storage control unit 150 is composed of an arithmetic processing unit such as a CPU (Central Processing Unit), a memory, an I / O (Input / Output) device, and the like.
- arithmetic processing unit such as a CPU (Central Processing Unit), a memory, an I / O (Input / Output) device, and the like.
- the storage control unit 150 determines, for example, a selection unit 151, a charge / discharge control unit 153, a power output instruction reception unit 155, a deterioration state acquisition unit 157, a deterioration tendency acquisition unit 159, and an SOC range determination. It functions as a unit 161.
- the selection unit 151 causes the plurality of used battery units BU to discharge from the plurality of used battery units BU based on the recognition result by the recognition unit 170 and the predetermined SOC range of each of the plurality of used battery unit BUs stored in the storage unit 110.
- the discharge target battery unit DBU and the charge target battery unit CBU to be charged are selected.
- the charge / discharge control unit 153 discharges the discharge target battery unit DBU and the charge target battery unit CBU so that the SOCs of the discharge target battery unit DBU and the charge target battery unit CBU are within a predetermined SOC range, and discharges the discharged electric power from the discharge target battery unit DBU. Charge the battery unit CBU to be charged.
- the power output instruction receiving unit 155 receives an input of a power output instruction from the power output unit 50 by a user of the used battery unit storage.
- the deterioration state acquisition unit 157 acquires the deterioration state of each of the plurality of used battery units BUs and stores them in the storage unit 110 in chronological order.
- the deterioration tendency acquisition unit 159 acquires the deterioration tendency of each of the plurality of used battery units BUs based on the deterioration state of each of the plurality of used battery units BUs stored in the storage unit 110 in chronological order.
- the SOC range determination unit 161 periodically or irregularly determines a predetermined SOC range of each of the plurality of used battery units BUs according to the deterioration tendency of each of the plurality of used battery units BUs, and stores the storage unit 110.
- the recognition unit 170 (170a, 170b, 170c ”) Is connected to the plurality of used battery units BU that are stored, and recognizes each current value and voltage value.
- the recognition unit 170 is, for example, a BMU and a CCU including a sensor that recognizes a current value and a voltage value of each of the used battery units BU.
- the recognition unit 170 bypasses the BMUs and CCUs and recognizes the current value and the voltage value of the used battery units BUs.
- the input unit 190 is, for example, a keyboard or touch panel, a mouse, or other pointing device that accepts input by the user.
- the charging unit 30 is, for example, a storage battery that is electrically connected to the connection circuit 130 to charge a plurality of used battery units BU, and is an AC adapter connected to a power source.
- the electric power output unit 50 is electrically connected to the connection circuit 130, receives electric power from a plurality of used battery units BU, outputs the electric power, and is in a facility where the used battery unit storage is installed.
- An inverter that supplies power to the load and the used battery unit storage itself, for example.
- the storage main body 10 is provided with a screen that displays images according to information (deterioration state, deterioration tendency, etc.) of each of the plurality of used battery unit BUs stored in the used battery unit storage, and a speaker that reproduces audio. You may be.
- the used battery unit storage repeatedly executes the series of processes at a predetermined frequency, for example.
- the used battery unit storage starts the series of processes at an arbitrary timing according to the operation of the user.
- the used battery unit storage of the present embodiment When the used battery unit storage of the present embodiment starts a series of processes, it first executes a recognition process (FIG. 5 / S10). After that, the used battery unit storage executes a selection process (FIG. 5 / S30), executes a charge / discharge control process (FIG. 5 / S50), and ends a series of processes. The contents of these processes will be described below.
- the recognition unit 170 (170a, 170b, 170c ). Recognizes the current value and voltage value of the used battery units BU (BUa, BUb, BUc %) to which they are connected (FIG. 6 / S110). ). The recognition unit 170 may also recognize the temperature of each of the used battery units BU, if necessary.
- the deterioration state acquisition unit 157 acquires the deterioration state of each of the plurality of used battery units BUs and stores them in the storage unit 110 in chronological order (FIG. 6 / S130).
- Various methods can be adopted as a method for acquiring the deteriorated state of each of the plurality of used battery units BU.
- the SOH of each of the plurality of used battery units BUs is acquired as a deteriorated state based on the current value, the voltage value, or the temperature of each of the plurality of used battery units BUs recognized by the recognition unit 170. ..
- the deterioration tendency acquisition unit 159 acquires the deterioration tendency of each of the plurality of used battery units BUs based on the deterioration state of each of the plurality of used battery units BUs stored in time series (FIG. 6 / S150).
- Various methods can be adopted as a method for acquiring the deterioration tendency of each of the plurality of used battery units BU.
- the deterioration tendency acquisition unit 159 acquires the latest predetermined number of deterioration state values, and uses the values to obtain an approximate curve showing a time-series change in the deterioration state, whereby a plurality of used battery units BU Acquire each deterioration tendency.
- the SOC range determination unit 161 determines a predetermined SOC range of each of the plurality of used battery units BUs according to the deterioration tendency of each of the plurality of used battery units BUs, and stores the ranges in the storage unit 110 (FIG. 6 / S170). ).
- the SOC range determination unit 161 may make the determination every time the recognition process is executed, once in a plurality of times, at predetermined periods, or at any time. You may.
- the SOC range determination unit 161 periodically or irregularly determines a predetermined SOC range for each of the plurality of used battery units BU. A series of these processes are executed, and the recognition process ends.
- the selection unit 151 starts from the plurality of used battery units BUs based on the recognition result by the recognition unit 170 and the predetermined SOC range of each of the plurality of used battery units BUs stored in the storage unit 110. , The discharge target battery unit DBU to be discharged is selected (FIG. 7 / S310), the charge target battery unit CBU to be charged is selected (FIG. 7 / S330), and the process is completed.
- the selection unit 151 identifies, for example, a used battery unit BU whose current SOC value exceeds the lower limit of the SOC of the used battery unit BU among a plurality of used battery unit BUs.
- the selection unit 151 has the largest used value obtained by subtracting the value of the charge amount corresponding to the lower limit value of the SOC of the used battery unit BU from the value of the current charge amount of each of the specified used battery unit BUs.
- the battery unit BU is selected as the battery unit DBU to be discharged.
- the selection unit 151 preferentially selects the used battery unit BU whose current SOC value exceeds the upper limit value of the SOC of the used battery unit BU as the discharge target battery unit CBU. do.
- the selection unit 151 selects, for example, the used battery unit BU having the smallest current SOC value as the battery unit CBU to be charged. At this time, the selection unit 151 preferentially selects the used battery unit BU whose current SOC value is lower than the lower limit of the SOC of the used battery unit BU as the battery unit CBU to be charged. do.
- the charge / discharge control unit 153 discharges from the discharge target battery unit DBU so that the SOCs of the discharge target battery unit DBU and the charge target battery unit CBU are within a predetermined SOC range. The discharged electric power is charged into the charging target battery unit CBU.
- the charge / discharge control unit 153 starts discharging from the discharge target battery unit DBU (FIG. 8 / S510) and also starts charging the charged target battery unit CBU of the discharged power (FIG. 8 / S510). S530).
- the charge / discharge control unit 153 discharges the battery unit DBU to be discharged when the SOC of the battery unit DBU to be discharged reaches or approaches the lower limit of the predetermined SOC range (FIG. 8 / S550: Yes). (Fig. 8 / S590). Then, for example, the charge / discharge control unit 153 charges the battery unit DBU to be charged when the SOC of the battery unit CBU to be charged reaches or approaches the upper limit of the predetermined SOC range (FIG. 8 / S570: Yes). (Fig. 8 / S590).
- the SOC of the battery unit DBU to be discharged has reached or has not approached the lower limit of the predetermined SOC range (FIG. 8 / S550: No), and the SOC of the battery unit CBU to be charged is the predetermined SOC.
- the charge / discharge control unit 153 discharges from the discharge target battery unit DBU and the charge target battery of the discharged power. Continue charging the unit CBU. A series of these processes are executed, and the recognition process ends.
- the used battery unit storage of the present embodiment it is possible to economically store a plurality of used battery units while suppressing deterioration of the used battery units of various manufacturers during storage.
- a vault can be provided.
- the charging unit 30 may be configured to be selected as the power source for supplying electric power.
- the charge / discharge control unit 153 discharges from the discharge target battery unit DBU or discharges from the charging unit 30 so that the SOCs of the discharge target battery unit DBU and the charge target battery unit CBU are within a predetermined SOC range.
- the discharged power is configured to charge the battery unit CBU to be charged.
- the amount of electric power required to charge the battery unit CBU to be charged to within a predetermined SOC range is 10 kWh, and it can be discharged from the used battery unit BU first selected as the battery unit DBU to be discharged (for example, the said).
- the electric energy (when discharged to the lower limit of the predetermined SOC of the used battery unit BU) is 4 kWh will be described.
- the selection unit 151 has a power amount of 6 kWh insufficient to charge the battery unit CBU to be charged within a predetermined SOC range, so that one or more used battery unit BUs capable of discharging the power can be discharged. Is selected as the second, third ... Discharge target battery unit DBU.
- the selection unit 151 selects the charging unit 30 as the power source for supplying the insufficient electric power.
- the charge / discharge control unit 153 sequentially discharges the used battery unit BU, the second discharge target battery unit DBU, the third discharge target battery unit DBU, etc., which are first selected as the discharge target battery unit DBU, and then the charging unit.
- the battery unit CBU to be charged is charged with the discharged electric power from 30.
- the charge / discharge control unit 153 ends the discharge from the charging unit 30 and the charging of the battery unit CBU to be charged.
- the selection unit 151 may use the selection unit 151.
- the power output unit 50 may be configured to be selected as a target for supplying excess power.
- the charge / discharge control unit 153 discharges from the discharge target battery unit DBU so as to be within a predetermined SOC range of the discharge target battery unit DBU and the charge target battery unit CBU, and discharges the discharged electric power.
- the battery unit CBU to be charged is charged, or the discharged electric power is supplied to the power output unit 50.
- the amount of electric power required to charge the battery unit CBU to be charged to the upper limit of the predetermined SOC is 7 kWh
- the electric energy when discharged to a predetermined upper limit value of SOC is 10 kWh
- the selection unit 151 has a surplus of 3 kWh of electric power even if the battery unit CBU to be charged is charged to the upper limit of the predetermined SOC. Therefore, the used battery unit BU capable of charging the electric power, that is, the used battery unit.
- One or more used battery units BUs that still have a margin up to the predetermined SOC upper limit value of BUs are selected as the second, third, .... Charge target battery units CBUs.
- the selection unit 151 selects the power output unit 50 as a target for supplying the surplus power.
- the charge / discharge control unit 153 sets the discharge target battery unit for the used battery unit BU, the second charge target battery unit CBU, the third charge target battery unit CBU, etc., which are first selected as the charge target battery unit CBU. After sequentially charging from the DBU, power is supplied to the power output unit 50. Then, when the SOC of the discharge target battery unit DBU falls within the predetermined SOC range, the charge / discharge control unit 153 ends the discharge from the discharge target battery unit DBU and the power supply to the power output unit 50.
- the charge / discharge control unit 153 may be configured to supply the power supplied to the power output unit 50 as the power required for the operation of the used battery unit storage.
- the selection unit 151 has the most SOC among the plurality of used battery units BU.
- the expensive used battery unit BU may be selected as the discharge target battery unit DBU, and the power output unit 50 may be selected as the target for supplying the electric power discharged from the discharge target battery unit DBU.
- the charge / discharge control unit 153 discharges the discharge target battery unit DBU so as to be within the SOC range of the discharge target battery unit DBU, and supplies the discharged power to the power output unit 50. It is composed of.
- the storage unit 110, the storage control unit 150, and the input unit 190 are integrally configured with the storage main body 10
- the present invention is not limited thereto. All or part of the storage unit 110, the storage control unit 150, and the input unit 190 may be configured by a device other than the storage main body 10, such as a computer.
- the storage unit 110 is provided in a computer or the like that is communicably connected to the storage main body 10 via a communication network such as a LAN (Local Area Network), a WAN (Wide Area Network), or an Internet communication network. good.
- a communication network such as a LAN (Local Area Network), a WAN (Wide Area Network), or an Internet communication network. good.
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Abstract
Description
複数の中古バッテリーユニットを保管する保管庫であって、
前記複数の中古バッテリーユニットそれぞれの特性に応じた所定のSOC(State Of Charge)の範囲を記憶する記憶部と、
前記複数の中古バッテリーユニットを相互に電気的に接続する接続回路と、
保管されている該複数の中古バッテリーユニットに接続されて、それぞれの電流値及び電圧値を認識する認識部と、
前記認識部による認識結果と、前記記憶部に記憶された前記複数の中古バッテリーユニットそれぞれの前記所定のSOCの範囲とに基づいて、前記複数の中古バッテリーユニットから、放電を行わせる放電対象バッテリーユニットと、充電を行わせる充電対象バッテリーユニットと、を選択する選択部と、
前記放電対象バッテリーユニット及び前記充電対象バッテリーユニットのSOCが前記所定のSOCの範囲内となるように、該放電対象バッテリーユニットから放電させるとともに、該放電された電力を該充電対象バッテリーユニットに充電する充放電制御部と、を備えることを特徴とする。
前記接続回路に電気的に接続されて、前記複数の中古バッテリーユニットに充電を行う充電部を備え、
前記選択部は、前記放電対象バッテリーユニットから放電させる電力量が、前記充電対象バッテリーユニットを前記所定のSOCの範囲内まで充電するために必要な電力量に不足である場合には、該不足する電力を供給する電源として前記充電部を選択するように構成されており、
前記充放電制御部は、前記放電対象バッテリーユニット及び前記充電対象バッテリーユニットのSOCが前記所定のSOCの範囲内となるように、該放電対象バッテリーユニットから放電させ又は前記充電部から放電させるとともに、該放電された電力を該充電対象バッテリーユニットに充電するように構成されていることが好ましい。
前記接続回路に電気的に接続されて、前記複数の中古バッテリーユニットから電力の供給を受けて該電力を出力する電力出力部を備え、
前記選択部は、前記放電対象バッテリーユニットから放電させる電力量が、前記充電対象バッテリーユニットの前記所定のSOCの範囲の上限まで充電するために必要な電力量を超過する場合には、該超過する電力を供給する対象として前記電力出力部を選択するように構成されており、
前記充放電制御部は、前記放電対象バッテリーユニット及び前記充電対象バッテリーユニットの前記所定のSOCの範囲内となるように、該放電対象バッテリーユニットから放電させるとともに、該放電された電力を該充電対象バッテリーユニットに充電し、又は該放電された電力を前記電力出力部に供給するように構成されていることが好ましい。
前記接続回路に電気的に接続されて、前記複数の中古バッテリーユニットから電力の供給を受けて該電力を出力する電力出力部と、
ユーザーによる、前記電力出力部からの電力の出力指示の入力を受け付ける電力出力指示受付部とを備え、
前記選択部は、前記電力出力指示受付部により前記出力指示の入力が受け付けられた場合には、前記複数の中古バッテリーユニットのうち、最もSOCが高い前記中古バッテリーユニットを前記放電対象バッテリーユニットとして選択し、該放電対象バッテリーユニットから放電される電力を供給する対象として前記電力出力部を選択するように構成されており、
前記充放電制御部は、前記放電対象バッテリーユニットのSOCの範囲内となるように、該放電対象バッテリーユニットから放電させるとともに、該放電された電力を前記電力出力部に供給するように構成されていることが好ましい。
前記充放電制御部は、前記電力出力部に供給された電力を、前記中古バッテリーユニット保管庫の動作に必要な電力として供給するように構成されていることが好ましい。
前記複数の中古バッテリーユニットそれぞれの劣化状態を取得して前記記憶部に時系列的に記憶させる劣化状態取得部と、
前記時系列的に記憶された前記劣化状態に基づいて前記複数の中古バッテリーユニットそれぞれの劣化傾向を取得する劣化傾向取得部と、
前記複数の中古バッテリーユニットそれぞれの前記劣化傾向に応じて該複数の中古バッテリーユニットそれぞれの前記所定のSOCの範囲を定期的に又は不定期的に決定して前記記憶部に記憶させるSOC範囲決定部と、
を備えることが好ましい。
まず図1~図4を用いて、本実施形態の中古バッテリーユニット保管庫の構成について説明する。なお同一の構成については、同一の符号を付して説明を省略することがある。
次に、本実施形態の中古バッテリーユニット保管庫の処理内容について説明する。まず図5~図8を参照して、中古バッテリーユニット保管庫による一連の処理について説明する。
認識処理を開始すると認識部170(170a、170b、170c…)は、それぞれが接続されている中古バッテリーユニットBU(BUa、BUb、BUc…)の電流値及び電圧値を認識する(図6/S110)。認識部170は、必要に応じて中古バッテリーユニットBUそれぞれの温度を併せて認識してもよい。
選択処理を開始すると選択部151は、認識部170による認識結果と、記憶部110に記憶された複数の中古バッテリーユニットBUそれぞれの所定のSOCの範囲とに基づいて、複数の中古バッテリーユニットBUから、放電を行わせる放電対象バッテリーユニットDBUを選択し(図7/S310)、充電を行わせる充電対象バッテリーユニットCBUを選択して(図7/S330)処理を終了する。
充放電制御処理を開始すると充放電制御部153は、放電対象バッテリーユニットDBU及び充電対象バッテリーユニットCBUのSOCが所定のSOCの範囲内となるように、該放電対象バッテリーユニットDBUから放電させるとともに、該放電された電力を該充電対象バッテリーユニットCBUに充電する。
以上、本発明の実施形態について説明したが、これに限定されない。本発明の趣旨を逸脱しない範囲で、種々の変更が可能である。また必要に応じて一部の機能、処理が省略されたり、処理の順序が変更されたりしてもよい。
Claims (6)
- 複数の中古バッテリーユニットを保管する保管庫であって、
前記複数の中古バッテリーユニットそれぞれの特性に応じた所定のSOC(State Of Charge)の範囲を記憶する記憶部と、
前記複数の中古バッテリーユニットを相互に電気的に接続する接続回路と、
保管されている該複数の中古バッテリーユニットに接続されて、それぞれの電流値及び電圧値を認識する認識部と、
前記認識部による認識結果と、前記記憶部に記憶された前記複数の中古バッテリーユニットそれぞれの前記所定のSOCの範囲とに基づいて、前記複数の中古バッテリーユニットから、放電を行わせる放電対象バッテリーユニットと、充電を行わせる充電対象バッテリーユニットと、を選択する選択部と、
前記放電対象バッテリーユニット及び前記充電対象バッテリーユニットのSOCが前記所定のSOCの範囲内となるように、該放電対象バッテリーユニットから放電させるとともに、該放電された電力を該充電対象バッテリーユニットに充電する充放電制御部と、
を備えることを特徴とする中古バッテリーユニット保管庫。 - 請求項1に記載の中古バッテリーユニット保管庫において、
前記接続回路に電気的に接続されて、前記複数の中古バッテリーユニットに充電を行う充電部を備え、
前記選択部は、前記放電対象バッテリーユニットから放電させる電力量が、前記充電対象バッテリーユニットを前記所定のSOCの範囲内まで充電するために必要な電力量に不足である場合には、該不足する電力を供給する電源として前記充電部を選択するように構成されており、
前記充放電制御部は、前記放電対象バッテリーユニット及び前記充電対象バッテリーユニットのSOCが前記所定のSOCの範囲内となるように、該放電対象バッテリーユニットから放電させ又は前記充電部から放電させるとともに、該放電された電力を該充電対象バッテリーユニットに充電するように構成されている、
ことを特徴とする中古バッテリーユニット保管庫。 - 請求項1又は2に記載の中古バッテリーユニット保管庫において、
前記接続回路に電気的に接続されて、前記複数の中古バッテリーユニットから電力の供給を受けて該電力を出力する電力出力部を備え、
前記選択部は、前記放電対象バッテリーユニットから放電させる電力量が、前記充電対象バッテリーユニットの前記所定のSOCの範囲の上限まで充電するために必要な電力量を超過する場合には、該超過する電力を供給する対象として前記電力出力部を選択するように構成されており、
前記充放電制御部は、前記放電対象バッテリーユニット及び前記充電対象バッテリーユニットの前記所定のSOCの範囲内となるように、該放電対象バッテリーユニットから放電させるとともに、該放電された電力を該充電対象バッテリーユニットに充電し、又は該放電された電力を前記電力出力部に供給するように構成されている、
ことを特徴とする中古バッテリーユニット保管庫。 - 請求項1又は2に記載の中古バッテリーユニット保管庫において、
前記接続回路に電気的に接続されて、前記複数の中古バッテリーユニットから電力の供給を受けて該電力を出力する電力出力部と、
ユーザーによる、前記電力出力部からの電力の出力指示の入力を受け付ける電力出力指示受付部とを備え、
前記選択部は、前記電力出力指示受付部により前記出力指示の入力が受け付けられた場合には、前記複数の中古バッテリーユニットのうち、最もSOCが高い前記中古バッテリーユニットを前記放電対象バッテリーユニットとして選択し、該放電対象バッテリーユニットから放電される電力を供給する対象として前記電力出力部を選択するように構成されており、
前記充放電制御部は、前記放電対象バッテリーユニットのSOCの範囲内となるように、該放電対象バッテリーユニットから放電させるとともに、該放電された電力を前記電力出力部に供給するように構成されている、
ことを特徴とする中古バッテリーユニット保管庫。 - 請求項3又は4に記載の中古バッテリーユニット保管庫において、
前記充放電制御部は、前記電力出力部に供給された電力を、前記中古バッテリーユニット保管庫の動作に必要な電力として供給するように構成されている、
ことを特徴とする中古バッテリーユニット保管庫。 - 請求項1~5の何れかに記載の中古バッテリーユニット保管庫において、
前記複数の中古バッテリーユニットそれぞれの劣化状態を取得して前記記憶部に時系列的に記憶させる劣化状態取得部と、
前記時系列的に記憶された前記劣化状態に基づいて前記複数の中古バッテリーユニットそれぞれの劣化傾向を取得する劣化傾向取得部と、
前記複数の中古バッテリーユニットそれぞれの前記劣化傾向に応じて該複数の中古バッテリーユニットそれぞれの前記所定のSOCの範囲を定期的に又は不定期的に決定して前記記憶部に記憶させるSOC範囲決定部と、
を備えることを特徴とする中古バッテリーユニット保管庫。
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- 2021-02-22 CN CN202180003071.5A patent/CN113795761A/zh active Pending
- 2021-02-22 CA CA3138169A patent/CA3138169C/en active Active
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- 2021-02-22 HR HRP20240165TT patent/HRP20240165T1/hr unknown
- 2021-02-22 DK DK21785550.1T patent/DK3951999T3/da active
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EP3951999A1 (en) | 2022-02-09 |
DK3951999T3 (da) | 2024-01-29 |
US11977128B2 (en) | 2024-05-07 |
KR20210143864A (ko) | 2021-11-29 |
EP3951999A4 (en) | 2023-01-18 |
CA3138169A1 (en) | 2021-10-14 |
EP3951999B1 (en) | 2024-01-03 |
JP2021168565A (ja) | 2021-10-21 |
CN113795761A (zh) | 2021-12-14 |
US20230024279A1 (en) | 2023-01-26 |
CA3138169C (en) | 2023-06-20 |
JP6869580B1 (ja) | 2021-05-12 |
TWI744202B (zh) | 2021-10-21 |
TW202141841A (zh) | 2021-11-01 |
HRP20240165T1 (hr) | 2024-04-26 |
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