WO2016051701A1 - 電源装置 - Google Patents
電源装置 Download PDFInfo
- Publication number
- WO2016051701A1 WO2016051701A1 PCT/JP2015/004723 JP2015004723W WO2016051701A1 WO 2016051701 A1 WO2016051701 A1 WO 2016051701A1 JP 2015004723 W JP2015004723 W JP 2015004723W WO 2016051701 A1 WO2016051701 A1 WO 2016051701A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- firmware
- time
- time zone
- charging
- discharging
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/263—Arrangements for using multiple switchable power supplies, e.g. battery and AC
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
- G06F8/654—Updates using techniques specially adapted for alterable solid state memories, e.g. for EEPROM or flash memories
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
-
- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
-
- 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
- H02J7/04—Regulation of charging current or voltage
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Definitions
- the present invention relates to a power supply device capable of updating firmware.
- a backup power supply device that includes a secondary battery such as a lithium ion battery and supplies power from the secondary battery when a commercial AC power supply fails is known.
- the power supply unit is set to charge power during the nighttime period and to discharge power during the daytime period when the amount of electricity used is large, so-called use that lowers the maximum value of daytime commercial power consumption. Sometimes used as peak cut or peak shift of power.
- the function of charging / discharging the secondary battery, the function of protecting the secondary battery in the event of an abnormality, and the like are realized by firmware and are generally incorporated in a power supply device.
- the firmware When updating the firmware incorporated in the power supply device for the purpose of adding a function or correcting a defect, the function realized by the firmware is stopped during the update, so that the operation set by the user may not be realized.
- the firmware is temporarily updated to detect an error in the battery pack, and if an error is detected, a recheck is performed. If no error is detected by the error recheck, the firmware is actually updated. (See Patent Document 1 below).
- the firmware may be able to be updated by the above conventional method, but the operation set by the user may not be realized accurately due to the update in the time zone where the operation should be performed.
- an object of the present invention is to provide a power supply device that can perform an operation set by a user while suppressing the influence of firmware update.
- a power supply device includes a secondary battery, and charges the secondary battery with power from a commercial power source, and discharges the power charged in the secondary battery to a load.
- An acquisition unit that acquires the second firmware, and a control unit that executes the first firmware stored in the storage unit to control the entire power supply device, and the control unit includes the charging time period or the discharge
- the first firmware stored in the storage unit is updated to the second firmware giving priority to the first time zone in which no time zone is set.
- the present invention it is possible to provide a power supply device capable of performing an operation set by a user while suppressing the influence of firmware update.
- FIG. 1 is a diagram for explaining a power supply device according to an embodiment of the present invention.
- FIG. 2 is a diagram for explaining the power storage device according to the embodiment of the present invention.
- FIG. 3 is a diagram for explaining a storage unit according to the embodiment of the present invention.
- FIG. 4 is a diagram of charge / discharge setting table information according to the embodiment of the present invention.
- FIG. 5 is an operation flowchart relating to firmware update timing determination control.
- the power supply device incorporates firmware composed of a program executed by a CPU (Central Processing Unit) or the like and data referred to when the program is executed, and the operation content is determined by the firmware. For this reason, the firmware update is accompanied by a stop of the operation realized by the firmware, and for that purpose, a certain amount of time is required. Therefore, if the user has set time zones in which charging or discharging operation should be performed, if the firmware is updated during these time zones, the operation set by the user may be interrupted.
- firmware Central Processing Unit
- the charging time zone for charging the secondary battery or the discharging time zone for discharging the secondary battery is set, the charging time zone or the discharging time zone is not set.
- the firmware is updated with priority in the band. As a result, the possibility that the firmware is updated in the time zone set to be operated by the user is reduced. As a result, the firmware can be updated while suppressing the influence on the operation set by the user.
- FIG. 1 is a diagram for explaining a power supply device 1 according to an embodiment of the present invention.
- the power supply device 1 is connected to the commercial AC power supply 10 and supplies AC power to the load 12 at the time of a power failure of the commercial AC power supply 10 to perform backup of the AC power and to supply power in the night time zone.
- the power supply device 1 includes a converter 20, an inverter 22, a power storage device 24, a power supply switching unit 26, a storage unit 28, an acquisition unit 30, an input unit 32, and a control unit 34.
- the converter 20 converts AC power supplied from the commercial AC power supply 10 into DC power in accordance with an instruction from the control unit 34, supplies the DC power to the power storage device 24, and charges the power storage device 24. Further, when charging, converter 20 manages the charging voltage and charging current in accordance with instructions from control unit 34.
- the inverter 22 discharges the power storage device 24 according to an instruction from the control unit 34, converts the DC power supplied from the power storage device 24 into AC power, and supplies the AC power to the power supply switching unit 26. Further, when discharging, the inverter 22 manages the discharge voltage and the discharge current in accordance with an instruction from the control unit 34.
- FIG. 2 is a diagram for explaining the power storage device 24 according to the embodiment of the present invention.
- the power storage device 24 includes a battery module 40, a charge switch 42, a discharge switch 44, a voltage measurement unit 46, a current measurement unit 48, and a temperature measurement unit 50.
- the battery module 40 is composed of one or more secondary batteries.
- the secondary battery included in the battery module 40 is, for example, a lithium ion battery or a nickel metal hydride battery.
- the battery module 40 is constituted by a plurality of secondary batteries connected in series, but the number of secondary batteries constituting the battery module 40 may be one.
- some or all of the secondary batteries included in the battery module 40 may be connected in parallel to each other.
- discharging and charging means discharging and charging of the battery module 40 unless otherwise specified.
- the charging switch 42 is a switching element disposed between the converter 20 and the current measuring unit 48.
- the discharge switch 44 is a switching element disposed between the inverter 22 and the current measurement unit 48.
- an n-type MOSFET Metal-Oxide-Semiconductor Field-Effect Transistor
- IGBT Insulated GateGBipolar Transistor
- GaN transistor GaN transistor
- SiC transistor SiC transistor
- the voltage measuring unit 46 is disposed between the battery module 40 and the discharge switch 44, and each terminal voltage of each of the plurality of secondary batteries constituting the battery module 40 (between each positive electrode and each negative electrode of the plurality of secondary batteries). Voltage value Vd is detected. The voltage measurement unit 46 outputs the detected voltage value Vd of each secondary battery to the control unit 34.
- the current measuring unit 48 (for example, a shunt resistor) is disposed between the battery module 40 and the charge switch 42 and the discharge switch 44, and measures the current value Id of the current flowing through the battery module 40. The current measuring unit 48 outputs the detected current value Id to the control unit 34.
- the temperature measuring unit 50 (for example, the thermistor) detects the temperature Td of the battery module 40 (for example, the surface temperature of the battery module 40). The temperature measurement unit 50 outputs the detected temperature Td to the control unit 34.
- the power supply switching unit 26 receives supply of AC power from the commercial AC power supply 10 and also receives supply of AC power from the inverter 22.
- the power supply switching unit 26 selects and supplies either the AC power supplied from the commercial AC power supply 10 or the AC power supplied from the inverter 22 to the load 12 in accordance with the instruction from the control unit 34.
- FIG. 3 is a diagram for explaining the storage unit 28 according to the embodiment of the present invention.
- a nonvolatile memory such as an EPROM (Erasable Programmable ReadOnly Memory) or a NOR type flash memory which is one of flash memories can be used.
- the storage unit 28 includes a charge / discharge setting storage unit 60, a state information storage unit 62, a first firmware storage unit 64, a second firmware storage unit 66, and an update process storage unit 68.
- the charging / discharging setting storage unit 60 stores the charging time zone to be charged or the discharging time zone to be discharged, set via the input unit 32, as charging / discharging setting table information in a table format.
- FIG. 4 is a diagram of charge / discharge setting table information according to the embodiment of the present invention. As shown in FIG. 4, the charge / discharge setting table information describes the charge or discharge pattern in association with the start time and end time. In the charge / discharge setting table information shown in FIGS. 4A and 4B, the charge / discharge pattern identification information is described in the pattern column. For each pattern, the start time of the pattern corresponding to the start time column is described, and the end time of the pattern corresponding to the end time column is described.
- the control part 34 can grasp
- zone it is also called 1st time slot
- the control unit 34 sets the time zone from 8:00 to 10:00, from 16:00 to 18:00. And the time zone from 22:00 to 0:00 corresponds to the first time zone.
- the control unit 34 determines that the first time zone does not exist.
- the state information storage unit 62 is an index indicating battery state data including the current value Id, the voltage value Vd, and the temperature Td, and the state of charge of the battery module 40 (also referred to as charge rate) calculated using the battery state data.
- the first firmware storage unit 64 stores firmware before updating (also referred to as first firmware).
- the second firmware storage unit 66 stores firmware (also referred to as second firmware) for adding a function to the first firmware or correcting a defect of the first firmware.
- the update processing storage unit 68 reads the first firmware from the first firmware storage unit 64 during normal operation, and updates the first loader firmware in the first firmware storage unit 64 to the second firmware during update operation. Stores update management information that is referenced during processing.
- the acquisition unit 30 receives the update firmware from the distribution server 16 that distributes the update firmware via the network 14 configured by a wireless communication network such as LTE (Long Term Term Evolution) or a wired communication network such as an optical fiber. get.
- the acquisition unit 30 acquires firmware for update distributed using optical media such as CD (Compact Disk) and DVD (Digital Versatile Disk) and semiconductor memory such as NAND flash memory which is one of flash memories. You can also.
- the acquisition unit 30 stores the acquired update firmware in the second firmware storage unit 66 via the control unit 34.
- the input unit 32 includes, for example, an LCD (Liquid Crystal Display) panel, and the user of the power supply device 1 starts charging (charging start time while referring to information displayed on the LCD panel). Also, an end time (also referred to as a charge end time) for ending charging is input, and a charging time zone for charging the battery module 40 is set.
- the user can also operate the input unit 32 to set the amount of charge to charge the battery module 40 during the charging time period.
- the user operates the input unit 32 to input a start time for starting discharge (also referred to as a discharge start time) and an end time for stopping discharge (also referred to as a discharge end time). It is also possible to set a discharge time zone for discharging, or to set a discharge amount discharged from the battery module 40 during the discharge time zone.
- the input unit 32 outputs the set charging time zone and discharging time zone to the control unit 34.
- the control unit 34 manages the entire power supply device 1. First, the control unit 34 manages the state of the battery module 40 such as SOC. For this reason, the control unit 34 estimates the SOC, SOH, internal resistance R, etc. of the battery module 40 using the battery state data.
- the control unit 34 integrates the current value Id received from the current measurement unit 48, and estimates the SOC of each secondary battery.
- the control unit 34 estimates an open circuit voltage OCV (also referred to as an open circuit voltage) from each voltage value Vd received from the voltage measurement unit 46, and describes an SOC-OCV table describing the relationship between the SOC and the OCV.
- OCV open circuit voltage
- the SOC may be estimated with reference to FIG.
- control unit 34 estimates the SOH of each secondary battery based on the estimated change value of the SOC and the integrated current value in the period required for the change by the following formulas (1) and (2). .
- FCC (FCC / Ci) ⁇ 100 (1)
- FCC (Qt / ⁇ SOC) ⁇ 100 (2)
- FCC Full Charge Capacity
- Ci the initial capacity (design capacity) of the secondary battery
- ⁇ SOC the change value of SOC
- Qt the section capacity (current integrated value) required for ⁇ SOC. )
- SOH is defined by the ratio of the full charge capacity FCC to the initial capacity Ci.
- control unit 34 estimates the internal resistance R by referring to the SOC-R table describing the relationship between the SOC and the internal resistance R while considering the estimated SOH and the temperature Td received from the temperature measurement unit 50. .
- the control unit 34 stores state information including battery state data, estimated SOC, SOH, internal resistance R and the like in the state information storage unit 62 at a predetermined timing.
- control unit 34 detects an abnormal state such as overdischarge or overcharge with reference to the battery state data or the estimated SOC.
- control unit 34 protects the battery module 40 by opening the charge switch 42 or the discharge switch 44.
- control unit 34 causes the converter 20 to execute charge control or the inverter 22 to execute discharge control based on the charging time zone and the discharging time zone received from the input unit 32.
- the control unit 34 forms charging / discharging setting table information based on the received charging time zone and discharging time zone, and stores it in the charging / discharging setting storage unit 60.
- control unit 34 controls the power supply switching unit 26 to execute switching control between the AC power supplied from the commercial AC power supply 10 and the AC power supplied from the inverter 22. For example, when the commercial AC power supply 10 is abnormal such as a power failure, the control unit 34 instructs the power supply switching unit 26 to switch the AC power supplied to the load 12 to the AC power supplied from the inverter 22. Further, when the commercial AC power supply 10 is restored, the control unit 34 instructs the power supply switching unit 26 to switch the AC power supplied to the load 12 to the AC power supplied from the commercial AC power supply 10.
- control unit 34 executes a firmware update process. Therefore, the control unit 34 refers to the charge / discharge setting table information stored in the charge / discharge setting storage unit 60, calculates the time required to update the firmware (also referred to as the first required time), A first time zone in which a charging time zone and a discharging time zone are not set is extracted. If the first time period can be extracted, the control unit 34 preferentially sets the timing (also referred to as update timing) for executing the firmware update process within the first time period. If there is no time zone in which the charging time zone and the discharging time zone are not set and the first time zone cannot be extracted, the control unit 34 sets the update timing a predetermined time before the charging end time or the discharging end time.
- Charging or discharging is rarely continued until the charging end time or discharging end time, and if the firmware is updated immediately before the charging end time or discharging end time, the charging or discharging operation set by the user is interrupted. This is because there is a low possibility that
- the control unit 34 sets the time zone before the first required time from the charge end time or the discharge end time.
- Set the update timing to. That is, the control unit 34 sets the update timing such that the interval between the update timing and the charge end time or the discharge end time is greater than the first required time. If the interval between the update timing and the charge end time or the discharge end time is smaller than the first required time, the firmware update cannot be completed by the charge end time or the discharge end time. In this case, the execution of another charge or discharge pattern is suspended until the firmware update is completed, even though it was set to start another charge or discharge pattern following the charge or discharge pattern to be ended. Will be. Therefore, the control unit 34 sets the update timing so that the interval between the update timing and the charge end time or the discharge end time is greater than the first required time, and execution of another charge or discharge pattern is interrupted. To prevent.
- the control unit 34 calculates a required time (second required time) required until charging or discharging ends, and the second required time from the charging start time or the discharge start time.
- the update timing can also be set in a time zone (also referred to as a third time zone) that is later and before the first required time from the charge end time or the discharge end time.
- the controller 34 can calculate the second required time with reference to the charge amount or discharge amount received from the input unit 32, the current value Id received from the current measurement unit 48, the estimated SOC, and the like.
- the control unit 34 starts charging or discharging pattern from the charging start time or discharging start time, and stores the time when the charging or discharging pattern is actually ended in the storage unit 28 as history information.
- the second required time can also be calculated by performing statistical processing (for example, calculating an average value or a maximum value).
- the control part 34 can also reset an update timing, if the setting change of a charge time slot
- the control unit 34 sets the update timing to a pattern including the third time zone.
- the control unit 34 determines that the length of the charging time zone or the discharging time zone is the sum of the first required time and the second required time. Set the update timing to the closest pattern. Thereby, the length of the period during which the charge or discharge pattern is interrupted can be minimized.
- the control unit 34 generates update process management information including update flag information for instructing update, position information of the second firmware storage unit 66, and the like, and stores the update process management information in the update process storage unit 68 in order to execute firmware update.
- the control unit 34 While executing the boot loader program, the control unit 34 refers to the update process management information stored in the update process storage unit 68.
- the update flag information When the update flag information is referred to and execution of update is instructed by the update flag information (for example, when the update flag information is set), the control unit 34 clears the update flag information, and based on the position information
- the first firmware stored in the first firmware storage unit 64 is rewritten with the second firmware stored in the second firmware storage unit 66. Thereafter, the control unit 34 performs a reset operation so as to restart with the first firmware.
- FIG. 5 is an operation flowchart relating to firmware update timing determination control.
- the control unit 34 acquires charge / discharge setting table information from the charge / discharge setting storage unit 60 (S10).
- the control unit 34 calculates the first required time (S11).
- the control unit 34 refers to the charge / discharge setting table information and the first required time, and confirms that there is no first time zone in which the charge time zone or the discharge time zone is not set (S12). If the first time zone exists (Y in S12), the update timing is preferentially set in the first time zone (S13). If the first time zone does not exist (N in S12), the control unit 34 calculates the second required time (S14).
- the control unit 34 has a pattern in which the length of the charging time period or the discharging time period becomes smaller than the sum of the first required time and the second required time ( That is, it is confirmed whether or not there is a start time + first required time + second required time ⁇ pattern satisfying the end time (S15). If there is a pattern in which the length of the charging time zone or the discharging time zone is smaller than the sum of the first required time and the second required time (Y in S15), the pattern is selected (S16).
- the length of the charging time zone or the discharging time zone is the first.
- a pattern that is closest to the sum of the required time and the second required time is selected (S17).
- the control unit 34 sets the update timing in the time zone before the first required time from the end time of the selected pattern (S18).
- the input unit 32 sets a charging time zone or a discharging time zone.
- the first firmware storage unit 64 stores first firmware that defines the operation content of the entire power supply device 1.
- the acquisition unit 30 acquires second firmware that is firmware for updating, and the second firmware storage unit 66 stores the second firmware.
- the control unit 34 refers to the charging time zone or discharging time zone received from the input unit 32, and extracts the first time zone in which the charging time zone or discharging time zone is not set. The control unit 34 preferentially sets the firmware update timing in the first time zone.
- the firmware can be updated during a time period when the charging time period or the discharging time period is not set, so that the discharging or charging operation set by the user can be performed while suppressing the influence of the firmware updating. It can be carried out.
- the control unit 34 is a second time zone included in the charge time zone or the discharge time zone, and is a time before the first required time from the charge end time or the discharge end time. Set the update timing for the band. As a result, the firmware update can be completed before the next charging or discharging pattern is started, and the operation set by the user can be accurately executed.
- the control unit 34 calculates the second required time, and is a time zone after the second required time from the charge start time or the discharge start time and before the first required time from the charge end time or the discharge end time. Set the update timing to. As a result, any operation of the charge or discharge pattern set in the time zone including the timing for updating the firmware and another charge or discharge pattern set subsequently is not interrupted, and the user can The set operation can be executed reliably.
- an input unit that sets a discharge time zone for discharging the secondary battery, a storage unit that stores first firmware that defines the operation content of the entire power supply device, and second firmware for updating the first firmware are obtained.
- a control unit that executes the first firmware stored in the storage unit to control the entire power supply device, and the control unit is set with the charging time period or the discharging time period.
- a power supply apparatus that updates the first firmware stored in the storage unit to the second firmware in preference to a first time zone that is not.
- the control unit performs the update in a second time zone included in the charging time zone or the discharging time zone, an end time of the charging time zone or an end time of the discharging time zone set in the input unit
- the power supply device according to item 1 wherein the update is performed in a second time period before a first required time required for performing the update.
- the control unit calculates a second required time required until the charging or discharging ends, and from the start time of the charging time period or the start time of the discharging time period set by the input unit, Item 3.
- the power supply device according to Item 2 wherein the update is performed in a second time zone after two required times.
- the power supply device according to the present invention is useful for a backup power supply or the like.
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Stored Programmes (AREA)
Abstract
Description
FCC=(Qt/ΔSOC)×100 ・・・(2)
ここで、FCC(Full Charge Capacity)は二次電池の満充電容量、Ciは二次電池の初期容量(設計容量)、ΔSOCはSOCの変化値、QtはΔSOCに要した区間容量(電流積算値)をそれぞれ示す。即ち、SOHは初期容量Ciに対する満充電容量FCCの割合で定義される。なお、SOHの定義から明らかなように、劣化度合いが大きくなると、SOHが小さくなる。
[項目1]
二次電池を有し、前記二次電池を商用電源の電力で充電するとともに、前記二次電池に充電された前記電力を負荷に放電する電源装置において、前記二次電池を充電する充電時間帯または前記二次電池を放電する放電時間帯を設定する入力部と、電源装置全体の動作内容を定める第1ファームウェアを格納する記憶部と、前記第1ファームウェアを更新するための第2ファームウェアを取得する取得部と、前記記憶部に格納された第1ファームウェアを実行して前記電源装置全体を制御する制御部と、を備え、前記制御部は、前記充電時間帯または前記放電時間帯が設定されていない第1時間帯を優先して、前記記憶部に格納された前記第1ファームウェアを前記第2ファームウェアに更新する、電源装置。
[項目2]
前記制御部は、前記充電時間帯または前記放電時間帯に含まれる第2時間帯に前記更新を行う場合、前記入力部で設定された前記充電時間帯の終了時刻または前記放電時間帯の終了時刻から、前記更新を行うために要する第1所要時間より前の第2時間帯で、前記更新を行う、項目1に記載の電源装置。
[項目3]
前記制御部は、前記充電または前記放電が終了するまでに要する第2所要時間を算出し、前記入力部で設定された前記充電時間帯の開始時刻または前記放電時間帯の開始時刻から、前記第2所要時間より後の第2時間帯で、前記更新を行う、項目2に記載の電源装置。
12 負荷
14 ネットワーク
16 配布サーバ
20 コンバータ
22 インバータ
24 蓄電装置
26 電源切替部
28 記憶部
30 取得部
32 入力部
34 制御部
40 電池モジュール
42 充電スイッチ
44 放電スイッチ
46 電圧計測部
48 電流計測部
50 温度計測部
60 充放電設定格納部
62 状態情報格納部
64 第1ファームウェア格納部
66 第2ファームウェア格納部
68 更新処理格納部
Claims (3)
- 二次電池を有し、前記二次電池を商用電源の電力で充電するとともに、前記二次電池に充電された前記電力を負荷に放電する電源装置において、
前記二次電池を充電する充電時間帯または前記二次電池を放電する放電時間帯を設定する入力部と、
電源装置全体の動作内容を定める第1ファームウェアを格納する記憶部と、
前記第1ファームウェアを更新するための第2ファームウェアを取得する取得部と、
前記記憶部に格納された第1ファームウェアを実行して前記電源装置全体を制御する制御部と、を備え、
前記制御部は、前記充電時間帯または前記放電時間帯が設定されていない第1時間帯を優先して、前記記憶部に格納された前記第1ファームウェアを前記第2ファームウェアに更新する、電源装置。 - 前記制御部は、前記充電時間帯または前記放電時間帯に含まれる第2時間帯に前記更新を行う場合、前記入力部で設定された前記充電時間帯の終了時刻または前記放電時間帯の終了時刻から、前記更新を行うために要する第1所要時間より前の第2時間帯で、前記更新を行う、
請求項1に記載の電源装置。 - 前記制御部は、前記充電または前記放電が終了するまでに要する第2所要時間を算出し、前記入力部で設定された前記充電時間帯の開始時刻または前記放電時間帯の開始時刻から、前記第2所要時間より後の第2時間帯で、前記更新を行う、
請求項2に記載の電源装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016551506A JP6535886B2 (ja) | 2014-09-30 | 2015-09-16 | 電源装置 |
US15/326,868 US10303231B2 (en) | 2014-09-30 | 2015-09-16 | Power supply device which performs operations while suppressing influence due to updating of firmware |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014200323 | 2014-09-30 | ||
JP2014-200323 | 2014-09-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016051701A1 true WO2016051701A1 (ja) | 2016-04-07 |
Family
ID=55629777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2015/004723 WO2016051701A1 (ja) | 2014-09-30 | 2015-09-16 | 電源装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10303231B2 (ja) |
JP (1) | JP6535886B2 (ja) |
WO (1) | WO2016051701A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7494772B2 (ja) | 2021-03-23 | 2024-06-04 | トヨタ自動車株式会社 | 電池管理システムおよび電池管理方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10826323B2 (en) * | 2017-01-03 | 2020-11-03 | Cyber Power Systems Inc. | Un-interruptible power supply with voltage-balancing state detection of batteries |
CN109901856B (zh) * | 2017-12-10 | 2022-11-25 | 启美科技(江苏)有限公司 | 一种机器人固件升级设备 |
KR102238380B1 (ko) * | 2019-02-08 | 2021-04-08 | 효성중공업 주식회사 | 직류 전원 변환용 서브 모듈 및 서브 모듈 프로그램 업데이트 방법 |
CN112448466B (zh) * | 2019-09-04 | 2023-02-28 | 台达电子工业股份有限公司 | 具有双向保护功能的直流不断电电源装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010191880A (ja) * | 2009-02-20 | 2010-09-02 | Sanyo Electric Co Ltd | 電池パックのアップデート方法 |
US20120297211A1 (en) * | 2011-05-18 | 2012-11-22 | Samsung Sdi Co., Ltd. | Battery pack management system |
WO2015033660A1 (ja) * | 2013-09-09 | 2015-03-12 | 日本電気株式会社 | 蓄電池システム、蓄電池システムの更新方法及びプログラム |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5085626B2 (ja) | 2009-10-08 | 2012-11-28 | レノボ・シンガポール・プライベート・リミテッド | 電池パック、そのファームウェア更新方法、および電池パックシステム |
-
2015
- 2015-09-16 JP JP2016551506A patent/JP6535886B2/ja active Active
- 2015-09-16 WO PCT/JP2015/004723 patent/WO2016051701A1/ja active Application Filing
- 2015-09-16 US US15/326,868 patent/US10303231B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010191880A (ja) * | 2009-02-20 | 2010-09-02 | Sanyo Electric Co Ltd | 電池パックのアップデート方法 |
US20120297211A1 (en) * | 2011-05-18 | 2012-11-22 | Samsung Sdi Co., Ltd. | Battery pack management system |
WO2015033660A1 (ja) * | 2013-09-09 | 2015-03-12 | 日本電気株式会社 | 蓄電池システム、蓄電池システムの更新方法及びプログラム |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7494772B2 (ja) | 2021-03-23 | 2024-06-04 | トヨタ自動車株式会社 | 電池管理システムおよび電池管理方法 |
Also Published As
Publication number | Publication date |
---|---|
US10303231B2 (en) | 2019-05-28 |
US20170205861A1 (en) | 2017-07-20 |
JP6535886B2 (ja) | 2019-07-03 |
JPWO2016051701A1 (ja) | 2017-07-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2016051701A1 (ja) | 電源装置 | |
JP6439146B2 (ja) | 電源装置 | |
CN106885991B (zh) | 蓄电服务*** | |
JP4739040B2 (ja) | 二次電池の内部短絡検出装置、二次電池の内部短絡検出方法、二次電池の電池パック及び電子機器 | |
JP5652802B2 (ja) | 二次電池の内部短絡検出装置および内部短絡検出方法 | |
US9983270B2 (en) | State of charge estimation device and method of estimating state of charge | |
WO2016051722A1 (ja) | 蓄電装置、制御装置、蓄電システム、蓄電装置の制御方法および制御プログラムを格納した非一時的なコンピュータ可読媒体 | |
JP2011176941A (ja) | 二次電池の充電方法、二次電池の充電制御装置及びパック電池 | |
US20150372514A1 (en) | Electric storage device and deterioration determination method | |
EP2690454A1 (en) | Device for measuring degradation, rechargeable battery pack, method for measuring degradation, and program | |
JP2011053088A (ja) | 二次電池の残容量演算方法および二次電池装置 | |
US9774062B2 (en) | Storage battery, control method of storage battery, control device, and control method | |
JP2018125965A (ja) | 蓄電装置および蓄電制御方法 | |
JP2013250078A (ja) | 異常判定装置 | |
JP2015195653A (ja) | 電池システム、充放電制御プログラム、充放電制御方法 | |
JP2017125680A (ja) | 電池制御装置 | |
JP2011153951A (ja) | 蓄電池劣化傾向推定システムおよび蓄電池劣化傾向推定プログラム | |
KR101967863B1 (ko) | 고전압 셀 밸런싱의 밸런싱 필요 시간 추정 장치 및 방법 | |
JP2016103937A (ja) | 電池パック | |
JP2008226758A (ja) | 充電管理装置、充電管理装置の制御方法および制御プログラム | |
JPWO2018088084A1 (ja) | 電池容量表示装置及び電池容量表示方法 | |
JP4794986B2 (ja) | 残容量算出装置及び電池パック | |
JP2011015589A (ja) | 放電制御装置、無停電電源装置、負荷平準化システム、および放電制御プログラム | |
JP6384824B2 (ja) | 蓄電池劣化判定システム | |
JP2014195383A (ja) | 充電装置及び充電方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15847939 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2016551506 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15326868 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 15847939 Country of ref document: EP Kind code of ref document: A1 |