WO2023037630A1 - Dispositif de commande de batterie secondaire et procédé de commande, et aspirateur rechargeable équipé dudit dispositif de commande - Google Patents

Dispositif de commande de batterie secondaire et procédé de commande, et aspirateur rechargeable équipé dudit dispositif de commande Download PDF

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Publication number
WO2023037630A1
WO2023037630A1 PCT/JP2022/014212 JP2022014212W WO2023037630A1 WO 2023037630 A1 WO2023037630 A1 WO 2023037630A1 JP 2022014212 W JP2022014212 W JP 2022014212W WO 2023037630 A1 WO2023037630 A1 WO 2023037630A1
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WIPO (PCT)
Prior art keywords
deterioration
secondary battery
control device
user
unit
Prior art date
Application number
PCT/JP2022/014212
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English (en)
Japanese (ja)
Inventor
紀雄 岩安
孝徳 山添
大輝 小松
知也 吉野
雄介 関野
慎 森島
Original Assignee
日立グローバルライフソリューションズ株式会社
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Publication of WO2023037630A1 publication Critical patent/WO2023037630A1/fr

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • 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]
    • G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
    • 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
    • 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
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • 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 invention relates to a control device and control method for a secondary battery, and a rechargeable vacuum cleaner equipped with the control device.
  • Patent Document 1 on the side of an electric vehicle, usage history data of a secondary battery mounted as a power source is stored in a storage unit, and a control device maintains the SOC of the secondary battery within a control range.
  • the electric vehicle is capable of communicating with an external data center, and that the data center receives information on the in-vehicle secondary battery from multiple vehicles having the in-vehicle secondary battery. and calculating a standard deterioration degree of the secondary battery over time using information from a plurality of vehicles; Further, when the degree of deterioration estimated from the usage history data in the electric vehicle is lower than the standard degree of deterioration, the upper limit of the SOC control range is increased.
  • the controller 30 has a control unit 31 and a storage unit 32, and the controller 30 has a battery usage history stored in the storage unit 32 from the start of use of the main battery 10 (when the battery is new). It is possible to diagnose the deterioration of the vehicle battery using the data. , and outputting a message to inform the user that the upper limit SOC can be increased, and to confirm with the user whether or not to permit the increase of the upper limit SOC.
  • Patent Document 2 in a life control type secondary battery system, at least one or more of current, voltage, and temperature of a secondary battery group is analyzed in time series, and information specifying parameters of operating conditions. Then, using the relational expression of the voltage of the secondary battery, the positive electrode voltage and the positive electrode capacity of the reference electrode, and the negative electrode voltage and the negative electrode capacity of the reference electrode, multiple open circuit voltages at no load and the battery surface temperature or Calculating an internal deterioration state parameter from the internal temperature, referring to the deterioration database and using the relationship between the internal deterioration state parameter and the battery operating condition parameter to change the battery operating condition, Current value parameter , the current capacity is calculated and compared with the initial value to calculate the battery deterioration degree SOH.
  • BMS battery management system
  • Patent Document 1 assumes communication with an external data center, so there is little need to reduce the computational load.
  • Patent Document 2 a storage battery system against the background of needs for mitigating fluctuations in the amount of power generated by large-sized secondary batteries, wind power generation, solar power generation, etc., which are applied as power sources for hybrid electric vehicles and electric vehicles. , so there is little need to reduce the computational load.
  • the purpose of the present invention is to reduce the computational load for suppressing the deterioration of the secondary battery and to suppress the deterioration according to the user's usage.
  • a control device for a secondary battery includes a deterioration degree detection unit that calculates a detection value of the degree of deterioration of a secondary battery, history information of deterioration factors of the secondary battery, and a reference value for the degree of deterioration of the secondary battery. and a deterioration determination unit that determines the magnitude relationship between the detection value and the reference value for the degree of deterioration of the secondary battery, and the deterioration determination unit uses the detection value as the reference. If it is equal to or less than the value, the deterioration suppression control can be selected.
  • the present invention it is possible to reduce the computational load for suppressing the deterioration of the secondary battery and suppress the deterioration according to the user's usage.
  • FIG. 1 is a configuration diagram showing a control device for a secondary battery according to an embodiment
  • FIG. 2 is a flowchart showing a determination method in a deterioration determination unit 240 of FIG. 1
  • FIG. 3 is a flow chart showing a method for suppressing battery deterioration in step s107 of FIG. 2.
  • FIG. 1 is an external perspective view showing an example of a vacuum cleaner in which a control device for a secondary battery according to an embodiment is built;
  • FIG. 1 is an external perspective view showing an example of a vacuum cleaner in which a control device for a secondary battery according to an embodiment is built;
  • FIG. 1 is an external perspective view showing an example of a vacuum cleaner in which a control device for a secondary battery according to an embodiment is built;
  • FIG. 1 is a configuration diagram showing a control device for a secondary battery according to an embodiment.
  • the control device 200 includes an SOC/SOH detection unit 210 (degradation detection unit), an operation information collection/analysis unit 220, a time/storage temperature management unit 230, a deterioration prediction unit 235, and a deterioration determination unit. a portion 240;
  • the control device 200 is connected to a battery 100 (secondary battery), a memory section 300 and a cleaner control section 400 installed in the cleaner.
  • the control device 200 is also connected to a current time measurement unit 500 (clock) that measures actual time, a temperature sensor 600 that measures ambient temperature, and a user input unit 700 such as a switch.
  • the control device 200 is also connected to a display section 260 for informing the user of information such as the battery.
  • the memory unit 300 may be built in the control device 200 .
  • the SOC/SOH detection unit 210 detects the state of charge (SOC) and the degree of deterioration (SOH) of the battery from the voltage (V), current (I) and surface temperature (T) of the battery.
  • SOH may be either capacity retention rate (SOHQ) or resistance increase rate (SOHR). This embodiment will be described using SOHQ.
  • the cleaner control unit 400 is composed of an arithmetic unit that controls the operation of the cleaner.
  • any method can be applied to detect SOC and SOHQ, but the Kalman filter method is preferable because of its low computational load and high accuracy.
  • a current integration method may be used.
  • the detected SOC and SOHQ values are collected by the driving information collecting/analyzing unit 220 and stored in the memory unit 300 .
  • the operation information collection/analysis unit 220 also collects information on V, I, and T in charging and discharging for each charge/discharge cycle number of the battery 100 at the same time, and stores the information in the memory unit 300 .
  • the number of charging/discharging cycles refers to the number of times charging and discharging are alternately performed. That is, when charging and discharging are performed once each, the number of charging/discharging cycles is one. When charging and discharging are performed n times each, the number of charging/discharging cycles is n times. Note that, hereinafter, the number of charge/discharge cycles is also simply referred to as “the number of cycles”.
  • the user's usage tendency is determined by analyzing information on V, I, and T for each charge/discharge cycle number of the battery 100 .
  • the usage tendency of the user serves as a criterion for selecting a deterioration factor when applying a deterioration prediction formula to be described later.
  • the arithmetic unit and memory unit built into home appliances such as household vacuum cleaners are usually small, and data in all charge / discharge cycles cannot be stored in the memory unit, and large-scale Calculations are also difficult. Therefore, a method of averaging and overwriting past data can be used in the memory unit.
  • I cy (I ave,1 +I ave,2 +...+I ave,n )/n Note that the specified number of cycles may be set arbitrarily.
  • the determination as to whether the user is a high power user or a low power user can be made based on a threshold value provided for Icy .
  • the threshold can be arbitrarily set according to the vacuum cleaner.
  • the memory unit 300 store the shipment time and storage temperature of the battery, and target deterioration curve data.
  • the shipping time and storage temperature of the battery are input to the time/storage temperature management unit 230 from the current time measuring unit 500 (clock) and the temperature sensor 600 provided in the cleaner or the control device 200, and then stored in the memory unit 300. be done.
  • the target deterioration curve data includes, for example, a correspondence relationship between SOHQ values and cycle numbers.
  • the reference value of the target deterioration curve data is a value that can be arbitrarily set by the manufacturer.
  • the deterioration prediction unit 235 calculates SOHQ using various factors and sends the value to the deterioration determination unit 240 .
  • FIG. 2 is a flow chart showing the determination method in the deterioration determination unit 240 of FIG.
  • the deterioration determination unit 240 determines whether the number of charge/discharge cycles has reached a predetermined value based on the information from the memory unit 300. (Step s101).
  • the deterioration determination unit 240 acquires the SOHQ detection value from the memory unit 300 (step s102).
  • the SOHQ detection value is the current actual SOHQ detected.
  • the deterioration determination unit 240 also acquires the SOHQ reference value calculated by the deterioration prediction unit 235 using the deterioration prediction formula based on the shipping time, storage temperature, number of cycles, and usage condition history stored in the memory unit 300. (Step s103).
  • step s101 if the predetermined cycle has not passed in step s101, the process ends without proceeding to step s102.
  • the deterioration determination unit 240 compares the SOHQ detection value and the SOHQ reference value (step s104).
  • step s104 If SOHQ detection value>SOHQ reference value in step s104, it can be assumed that the deterioration of the battery has not progressed, so the operation is continued until the next predetermined cycle without performing deterioration suppression control (step s105). In this case, deterioration determination unit 240 does not need to send a special command such as output suppression to cleaner control unit 400 . In this case, the user may be notified that the secondary battery is expected to last a long time.
  • step s106 the user is asked whether or not deterioration suppression control is desired.
  • deterioration suppression control can be selected.
  • characters may be displayed on the display unit 260 of the vacuum cleaner according to the signal from the deterioration determination unit 240, or the user may be notified by lighting or blinking of a light emitting diode (LED) provided in the vacuum cleaner. good too.
  • LED light emitting diode
  • the user may be notified by voice from a speaker provided on the cleaner, vibration of the handle of the cleaner, or the like.
  • the first choice is when you want deterioration suppression control to extend the life of the battery.
  • the second choice is when you don't care much about battery life, you want to use the vacuum cleaner at high output, and you don't care about battery life, and you want to use the vacuum cleaner at high output. .
  • the output of the vacuum cleaner is adjusted so as to meet the user's desire, so that the user's satisfaction can be improved.
  • the user can, for example, transmit the above selection to the control device 200 using the user input unit 700 (FIG. 1) such as a switch provided on the cleaner.
  • the user input unit 700 is not limited to a switch.
  • the user input unit 700 receives as an input the user's response to the question from the cleaner.
  • step s106 When the user desires deterioration suppression control in step s106, a command is sent to the cleaner control unit 400 to perform deterioration suppression operation (step s107).
  • the deterioration determination unit 240 continues normal operation of the cleaner without sending a command such as output suppression to the cleaner control unit 400 (step s108). .
  • the battery may deteriorate early.
  • the display unit 260 display an early deterioration alert of (step s109). As a result, it is possible for the user to recognize the need to replace the battery at an early stage and prepare a replacement battery in advance.
  • the deterioration suppression control of the present embodiment can be applied to a device such as a home appliance that has only a small arithmetic unit.
  • degradation suppression control is performed by selecting a degradation factor using a degradation prediction formula.
  • SOHQ (%) 100 - ⁇ Q (1)
  • ⁇ Q is the capacity reduction rate (%), and ⁇ Q is represented by the following formula (2).
  • ⁇ Q f(a, b, c, d) (2)
  • a is the upper limit voltage of the battery
  • b is the charging current
  • c is the discharging current
  • d is the storage temperature of the battery.
  • a, b, c, and d are deterioration factors of the battery, and can also be called "deterioration suppression factors" from the viewpoint of suppressing deterioration of the battery.
  • FIG. 3 is a flowchart showing a method for suppressing battery deterioration in step s107 of FIG.
  • All the processing in FIG. 3 is performed by the deterioration determination unit 240.
  • the operation information of the battery or the cleaner is obtained from the memory unit 300 (step s301). Then, using the deterioration prediction formula, the current SOHQ reference value is calculated (step s302). Here, in step s302, the deterioration factors from the past to the present stored in the memory unit 300 are used for calculation.
  • the SOHQ detection value and the SOHQ reference value are compared, and the next SOHQ target value (future value) is set (step s303). If there is no difference between the SOHQ detection value and the SOHQ target value, it is fine, but if there is a difference, the future target deterioration curve is corrected. Specifically, the output is suppressed to such an extent that the user does not feel uncomfortable with the deterioration of the performance of the vacuum cleaner during use, and the future target deterioration curve is adjusted to have a smaller slope. This allows the battery to last longer.
  • a candidate for a deterioration suppression factor is selected from the operating information stored in the memory unit 300 (step s304).
  • a deterioration prediction formula is used to calculate the value of the parameter that gives the target deterioration curve in a predetermined cycle (step s305).
  • step s306 it is determined whether the SOHQ target value has been reached in the future after a predetermined number of cycles have passed. If the SOHQ target value has been reached, deterioration suppression operation is started based on the suppressed deterioration factor (step s307).
  • step s304 again selects candidates for deterioration suppression factors, and performs steps s305 and s306.
  • the candidate for the degradation suppression factor closest to the SOHQ target value is adopted.
  • the history information of the deterioration factors stored in the memory unit 300 is used to select the deterioration factors that are effective for deterioration suppression control.
  • FIG. 4 is a graph showing an outline of deterioration suppression control in the secondary battery control device of the embodiment.
  • the horizontal axis indicates the number of charge/discharge cycles, and the vertical axis indicates SOHQ.
  • the target deterioration curve shows changes in SOHQ when the cleaner is operated under conditions set so that the battery life is the period initially assumed by the cleaner manufacturer.
  • the current SOHQ detection value calculated based on the actual operating conditions of the vacuum cleaner is indicated by ⁇ .
  • the past is the 1st cycle
  • the present is the 10th cycle
  • the future is the 20th cycle. If deterioration is assumed not only in cycles but also in storage, it is desirable to add the degree of contribution of storage deterioration to the deterioration prediction formula.
  • the current SOHQ detection value is lower than the current SOHQ reference value ( ⁇ mark).
  • the deterioration suppression factor is selected so that the SOHQ gradually decreases as indicated by the solid line from the present (10th cycle) to the future (20th cycle) and approaches the target deterioration curve. do.
  • the method of selecting the deterioration suppressing factor is very important.
  • the main focus of the control method according to the present embodiment is to suppress the deterioration of the secondary battery by controlling the deterioration suppression factor in the suppression direction.
  • the suppression is strengthened, although the deterioration can be suppressed, there is a problem that the user's sense of use, for example, in the case of a rechargeable vacuum cleaner, the suction power is lowered and the user is dissatisfied.
  • there are various usages depending on the user and there are high-power users who often use high suction power, and users who do not need much suction power but use it for a long time on a single charge. If the same degradation suppression control is applied to each user, the user may be dissatisfied with usability.
  • the control device selects the degradation factors primarily by controlling the degradation factors that the user does not frequently use.
  • the control device selects the degradation factors primarily by controlling the degradation factors that the user does not frequently use.
  • gradually changing the factors to be controlled it is conceivable to reduce the initially set a, b, and c in the above formula (2) step by step at a prescribed ratio. It is assumed that the decreasing rate can be changed arbitrarily.
  • a, b, c, and d of the above equation (2) are determined from the user's usage tendency information stored in the memory unit 300 to determine whether the user is a high power user or a low power user, Perform degradation factor selection.
  • power (W) is defined by voltage x discharge current, so a and c in the above formula (2) are important. Therefore, as a factor for controlling deterioration suppression, b is preferentially implemented.
  • a and b are preferentially controlled.
  • the battery can be cooled by a cooling fan or the like, the deterioration factor of d can be controlled. Even if no cooling fan is installed, the battery can still be cooled, for example, by introducing part of the air sucked in by a vacuum cleaner around the battery.
  • a deterioration factor is selected and substituted into the deterioration prediction formula, and a, b, and c, or a, if there is a cooling mechanism, are adjusted so that the future SOHQ becomes the value of the target deterioration curve in FIG. Calculate b, c, and d.
  • the usage status of devices such as vacuum cleaners and use them for predictive diagnosis of failures.
  • a network is the Internet.
  • the processed information to the user via the network, it is possible to grasp the usage status of the device, calculate the SOHQ, and even automatically order batteries when the SOHQ is low. It can also be used.
  • the usage history can be analyzed, the cause of the fault can be analyzed, and repair orders can be arranged.
  • control device 200 may further have a communication unit and be connected to a computer such as an external server through a wireless or wired electrical communication line.
  • a computer such as an external server through a wireless or wired electrical communication line.
  • the computer may also be used to analyze the data, arrange repair orders, and the like.
  • it is possible to statistically process data such as the usage status of the secondary battery used in other vacuum cleaners and SOHQ by the computer, and improve the accuracy of the deterioration prediction formula and the like. .
  • FIG. 5 is an external perspective view showing an example of a vacuum cleaner in which the secondary battery control device of the present embodiment is built.
  • the vacuum cleaner 800 is configured in a stick shape by combining a vacuum cleaner main body 2 provided with a hand control switch 7 and the like, an extension tube 5, and a mouthpiece 6. .
  • the electric vacuum cleaner 800 also includes a rechargeable battery 24 (secondary battery) that is a power source for driving the cleaner main body 2 and the suction body 6 .
  • the vacuum cleaner main body 2 includes an electric blower 1 that generates a suction force, a dust collection section 22 that stores dust collected by the suction force of the electric blower 1, and the like.
  • a control device for the rechargeable battery 24 is built in the cleaner body 2 .
  • extension pipe 5 One end of the extension pipe 5 is connected to the connection port 23 of the cleaner body 2 so as to communicate with the dust collector 22 of the cleaner body 2 .
  • the other end of the extension pipe 5 is connected to the mouthpiece 6 .
  • the extension pipe 5 is formed with a ventilation passage (not shown) and has wiring (not shown) for electrically connecting the rechargeable battery 24 and a brush motor (not shown) of the suction body 6 .
  • the body control circuit controls the operation and stop of the electric blower 1, the switching of the suction force, and the operation and stop of the electric motor (not shown) provided in the suction body 6.
  • a body control circuit is provided in the cleaner body 2 .
  • the vacuum cleaner is not limited to the stick-type vacuum cleaner shown in the figure, but can be a handheld vacuum cleaner, a canister vacuum cleaner (cylinder vacuum cleaner), a rechargeable (cordless type) robot vacuum cleaner, or the like. It can be applied to vacuum cleaners. It can also be applied to a power cord type vacuum cleaner having a similar configuration.
  • the secondary battery control device according to the present disclosure is applied to a rechargeable vacuum cleaner.
  • the non-limiting example includes other embodiments that do not detract from the features described herein.
  • rechargeable personal computers (PCs) PCs
  • mobile terminals such as smartphones, home routers, electric vehicles that control secondary batteries without using an external data center (server), etc.
  • server external data center

Abstract

Un dispositif de commande de batterie secondaire comprend une unité de détection de degré de dégradation permettant de calculer une valeur détectée d'un degré de dégradation de la batterie secondaire, une unité de mémoire permettant de stocker des informations historiques de facteurs de dégradation de la batterie secondaire et des données utilisées pour calculer une valeur de référence du degré de dégradation de la batterie secondaire, et une unité de détermination de dégradation permettant de déterminer une relation d'amplitude entre la valeur détectée et la valeur de référence du degré de dégradation de la batterie secondaire, l'unité de détermination de dégradation permettant de sélectionner une commande de suppression de dégradation si la valeur détectée est inférieure ou égale à la valeur de référence. Ainsi, une charge de calcul pour la suppression de la dégradation de la batterie secondaire peut être réduite, et la dégradation peut être supprimée conformément à un procédé d'utilisation d'un utilisateur.
PCT/JP2022/014212 2021-09-07 2022-03-25 Dispositif de commande de batterie secondaire et procédé de commande, et aspirateur rechargeable équipé dudit dispositif de commande WO2023037630A1 (fr)

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JP2021145223A JP2023038473A (ja) 2021-09-07 2021-09-07 二次電池の制御装置及び制御方法並びに当該制御装置を備えた充電式掃除機
JP2021-145223 2021-09-07

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005124353A (ja) * 2003-10-20 2005-05-12 Toyota Motor Corp 蓄電機構の制御装置
JP2009123435A (ja) * 2007-11-13 2009-06-04 Toyota Motor Corp 二次電池の制御装置および制御方法
WO2012101678A1 (fr) * 2011-01-27 2012-08-02 トヨタ自動車株式会社 Procédé de commande et dispositif de commande destinés à un dispositif de stockage électrique
WO2014046179A1 (fr) * 2012-09-20 2014-03-27 積水化学工業株式会社 Dispositif de commande de fonctionnement d'accumulateur, procédé de commande de fonctionnement d'accumulateur et programme
US20150134164A1 (en) * 2013-11-11 2015-05-14 Hyundai Motor Company Apparatus and method for charging battery
JP2017111860A (ja) * 2015-12-14 2017-06-22 株式会社日立製作所 二次電池制御システム
JP2018029430A (ja) * 2016-08-17 2018-02-22 トヨタ自動車株式会社 電動車両
JP2019092827A (ja) * 2017-11-22 2019-06-20 三菱電機株式会社 電気掃除機

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005124353A (ja) * 2003-10-20 2005-05-12 Toyota Motor Corp 蓄電機構の制御装置
JP2009123435A (ja) * 2007-11-13 2009-06-04 Toyota Motor Corp 二次電池の制御装置および制御方法
WO2012101678A1 (fr) * 2011-01-27 2012-08-02 トヨタ自動車株式会社 Procédé de commande et dispositif de commande destinés à un dispositif de stockage électrique
WO2014046179A1 (fr) * 2012-09-20 2014-03-27 積水化学工業株式会社 Dispositif de commande de fonctionnement d'accumulateur, procédé de commande de fonctionnement d'accumulateur et programme
US20150134164A1 (en) * 2013-11-11 2015-05-14 Hyundai Motor Company Apparatus and method for charging battery
JP2017111860A (ja) * 2015-12-14 2017-06-22 株式会社日立製作所 二次電池制御システム
JP2018029430A (ja) * 2016-08-17 2018-02-22 トヨタ自動車株式会社 電動車両
JP2019092827A (ja) * 2017-11-22 2019-06-20 三菱電機株式会社 電気掃除機

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