WO2011122255A1 - バックアップ電源装置及び電力出力方法 - Google Patents
バックアップ電源装置及び電力出力方法 Download PDFInfo
- Publication number
- WO2011122255A1 WO2011122255A1 PCT/JP2011/055246 JP2011055246W WO2011122255A1 WO 2011122255 A1 WO2011122255 A1 WO 2011122255A1 JP 2011055246 W JP2011055246 W JP 2011055246W WO 2011122255 A1 WO2011122255 A1 WO 2011122255A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- power
- battery
- backup
- power supply
- optical encoder
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/46—Accumulators structurally combined with charging apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M16/00—Structural combinations of different types of electrochemical generators
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- 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
- H02J9/061—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 DC powered loads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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 backup power supply apparatus and a power output method for supplying backup power when a main power supply for driving an optical encoder fails.
- an optical encoder used as a position detector operates by being supplied with power from a main power source such as a commercial power source, and continues even when power cannot be supplied from the main power source during a power failure or the like.
- a backup power supply is connected to maintain the operating state. That is, when a power failure occurs and power cannot be supplied from the main power supply, the optical encoder is operated by switching to power supply from the backup power supply.
- Lithium batteries that can be used continuously for a long time are often used in backup power supplies.
- a lithium battery when the lithium battery is in a state where power is not consumed for a long time, electrolyte molecules and lithium ions react on the electrode surface, and a passive film may be formed to suppress spontaneous discharge.
- the passive film becomes a resistance when a load is connected.
- a so-called voltage delay phenomenon also referred to as “voltage delay” occurs, which causes a problem that the encoder operation becomes defective. .
- Patent Document 1 Japanese Patent Application Laid-Open No. 2004-325125
- Patent Document 2 Japanese Patent Application Laid-Open No. 2005-312089
- Patent Document 1 discloses a voltage delay by intermittently supplying power supplied from a lithium battery provided as a backup power source to a light emitter (such as a light emitting diode) and periodically consuming the power of the lithium battery. It is described that the phenomenon is prevented.
- this method has a drawback that complicated control is required for the switching operation because power is supplied to the light emitter by periodically switching between the main power source and the lithium battery.
- the light emitter is operated using both the main power source and the lithium battery, even when the main power source is operating normally, if the charge capacity of the lithium battery decreases, the light emitter will be normal. There arises a problem that it may not be possible to operate it.
- Patent Document 2 it is described that electric power charged in an external battery is discharged using a resistor provided outside the optical encoder.
- a resistor provided outside the optical encoder.
- the power consumption increases and the life of the external battery increases. Has the disadvantage of becoming shorter.
- JP 2004-325125 A Japanese Patent Laying-Open No. 2005-312089
- the present invention has been made to solve such a conventional problem, and an object of the present invention is to prevent the occurrence of a voltage delay phenomenon and to prevent excessive power consumption. It is an object of the present invention to provide a backup power supply device and a power output method for the backup power supply device.
- a backup power supply device that supplies backup power to the optical encoder when a main power source for driving the optical encoder fails. And a capacitor for storing DC power and supplying power for backup to the optical encoder when the power cannot be supplied from the battery, a discharging device for discharging the power charged in the battery, A periodic discharge control device that intermittently outputs power charged in the battery to the discharge device and performs control to consume the battery power.
- the backup power supply device may further include a backflow prevention circuit that prevents discharge of the power charged in the capacitor when supplying the power charged in the battery to the optical encoder.
- the backup power supply device may further include a forced discharge control device that outputs power charged in the battery to the discharge device and consumes the battery power when an external input is given.
- the battery is preferably a lithium battery.
- a power output method for outputting power of a battery provided as a backup power source for driving the optical encoder, wherein the battery is supplied when the main power source of the optical encoder fails.
- the power output method may further include a step of supplying the battery power to the discharge device and consuming the battery power when a forced discharge command is input by the forced discharge control device.
- FIG. 1 is an explanatory diagram showing a connection relationship between a motor control device 100 on which a backup power supply device according to an embodiment of the present invention is mounted and a motor M1 controlled by the motor control device 100.
- an optical encoder 11 for detecting the rotation angle of the motor M1 is connected to the motor M1, and the rotation angle signal detected by the optical encoder 11 is sent to the motor control device 100. Is output.
- the motor control device 100 also supplies a backup power to the optical encoder 11 when the power supply from the main power supply 13 that supplies driving power to the optical encoder 11 and the power supply from the main power supply 13 stop, such as when a power failure occurs.
- a backup unit 29 for power failure that supplies power is provided.
- the motor control device 100 is connected to a commercial power source E1 such as AC 100V.
- FIG. 2 is a block diagram showing a detailed configuration of the motor control device 100.
- the motor control device 100 includes a CPU 21 that comprehensively controls the motor M1 and the optical encoder 11, a RAM 22 that temporarily stores data necessary for arithmetic processing by the CPU 21, and a motor M1.
- a hard disk 23 for storing a program for controlling driving, a sequencer 24 for controlling an external input / output signal (not shown) input / output to / from the motor control device, a flash memory 25 for storing various data, an external device,
- a USB port 26 for connection is provided.
- a display driver 27 that outputs image data to a display (not shown), a servo driver 28 that servo-controls the motor M1, and a power failure backup unit 29 are provided.
- FIG. 3 is a block diagram showing a detailed configuration of the power failure backup unit 29.
- the backup unit 29 for power failure includes a battery 12 such as a lithium battery, a discharge circuit (discharge means, discharge device) 34 for discharging the electric power charged in the battery 12, and a predetermined as described later.
- a periodic discharge command unit (periodic discharge control means, periodic discharge control device) 35 that outputs a discharge command to the discharge circuit 34 at a period of the period, and outputs a discharge command to the discharge circuit 34 when a discharge command signal is input from the outside.
- a forced discharge command section forced discharge control means, forced discharge control device
- a capacitor 33 that has a function of charging DC power and that supplies power to the optical encoder 11 when a power failure occurs when power from the battery 12 cannot be supplied, such as when the battery 12 is replaced, and a battery 12 and a capacitor 33, and includes a backflow prevention circuit 32 that prevents power from being output from the capacitor 33 to the discharge circuit 34 when the discharge circuit 34 is operated.
- the CPU 21 performs processing for initializing an internal timer (step S11).
- the internal timer is set in the RAM 22 shown in FIG.
- the discharge on timer t1 is set to “A”
- the discharge off timer t2 is set to “B”. That is, assume a periodic pulse signal in which the discharge interval time is A and the discharge ON time is B as shown in FIG.
- the power failure backup unit 29 determines whether or not the output voltage of the main power supply 13 has decreased (step S12). And when the output voltage of the main power supply 13 falls (YES in step S12), since power cannot be supplied from the main power supply 13 to the optical encoder 11, the power of the battery 12 is supplied to the optical encoder 11, Hardware is assembled so that the optical encoder 11 is continuously operated (step S24).
- step S12 when the output voltage of the main power supply 13 has not decreased (NO in step S12), the power backup unit 29 stops the power supply to the optical encoder 11 side (step S13). Further, the CPU 21 determines whether or not the timer t1 has become 0 or less (step S14). Initially, since t1 ⁇ 0 does not hold (NO in step S14), the CPU 21 subtracts the sampling period ⁇ t from the timer t1 (step S15).
- step S16 determines whether or not the timer t1 has become 0 or less. If t1 ⁇ 0 is not satisfied (NO in step S16), the processing from step S12 is repeated.
- step S16 power failure backup unit 29 transmits a discharge command signal to periodic discharge command unit 35.
- the discharge circuit 34 is turned on under the control of the periodic discharge command unit 35 (step S17). Therefore, the electric power stored in the battery 12 is consumed by the discharge circuit 34.
- the backflow prevention circuit 32 can prevent current from flowing from the capacitor 33 to the discharge circuit 34.
- step S18 When the discharge by the discharge circuit 34 is started, the timer t2 is set to B (step S18), and the process returns to step S12.
- step S14 since t1 ⁇ 0 has already been satisfied, a YES determination is made.
- the CPU 21 determines whether or not the timer t2 has become 0 or less (step S19). Initially, since t2 ⁇ 0 does not hold (NO in step S19), the CPU 21 subtracts the sampling period ⁇ t from the timer t2 (step S20).
- step S21 determines whether or not the timer t2 has become 0 or less. If t2 ⁇ 0 is not satisfied (NO in step S21), the processing from step S12 is repeated.
- step S21 the power failure backup unit 29 sends a discharge stop command signal to the periodic discharge command unit 35.
- the discharge circuit 34 is turned off under the control of the periodic discharge command unit 35 (step S22). Therefore, power consumption by the discharge circuit 34 is completed.
- the CPU 21 sets the timer t1 to A (step S23) and returns to the process of step S12. Then, by repeating the processes of steps S12 to S23 described above, as shown in FIG. 5, the discharge circuit 34 discharges for time B, and the operation of stopping the discharge circuit for time A is periodically repeated. It will be. In other words, the power charged in the battery 12 can be intermittently output to the discharge circuit 34 to consume the power of the battery 12.
- the power charged in the battery 12 is periodically output to the discharge circuit 34, and the power is consumed by the discharge circuit 34. Therefore, a voltage delay phenomenon occurs. Can be prevented. Therefore, when the power supply by the battery 12 is started, the conventional problem that the necessary power is not supplied can be solved, and the driving power can be reliably supplied to the optical encoder 11.
- the backflow prevention circuit 32 is provided between the battery 12 and the capacitor 33, it is possible to prevent a current from flowing from the capacitor 33 to the discharge circuit 34 when the discharge circuit 34 is operated.
- the power of the battery 12 can be consumed by the control of the forced discharge command unit 36.
- the operator can arbitrarily The power of the battery 12 can be consumed at this timing, and the occurrence of the voltage delay phenomenon can be prevented more reliably.
- the life of the battery 12 can be extended, and furthermore, the occurrence of a voltage delay phenomenon that becomes a particular problem when a lithium battery is used can be prevented.
- the backup power supply apparatus of the present invention has been described based on the illustrated embodiment. However, the present invention is not limited to this, and the configuration of each part is replaced with an arbitrary configuration having the same function. Can do.
- the present invention is not limited to the lithium battery and is similar to the lithium battery. It can be applied to a battery that generates a voltage delay phenomenon.
- the present invention is extremely useful for reliably supplying driving power to the optical encoder even when the main power supply is interrupted by a power failure.
Landscapes
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Optical Transform (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
Description
Claims (9)
- 光学式エンコーダを駆動するための主電源が停電した場合に、前記光学式エンコーダにバックアップ用の電力を供給するバックアップ電源装置であって、
直流電力を蓄電するバッテリと、
直流電力を蓄電し、前記バッテリからの電力供給ができない場合に、前記光学式エンコーダにバックアップ用の電力を供給するキャパシタと、
前記バッテリに充電されている電力を放電する放電装置と、
前記バッテリに充電されている電力を間欠的に前記放電装置に出力して、前記バッテリ電力を消費する制御を行う定期放電制御装置と、
を備えることを特徴とするバックアップ電源装置。 - 前記バッテリに充電されている電力を前記光学式エンコーダに供給する際に、前記キャパシタに充電されている電力の放電を阻止する逆流防止回路を更に備えたことを特徴とする請求項1に記載のバックアップ電源装置。
- 外部入力が与えられた際に、前記バッテリに充電されている電力を前記放電装置に出力して、前記バッテリ電力を消費する強制放電制御装置を更に備えたことを特徴とする請求項1に記載のバックアップ電源装置。
- 外部入力が与えられた際に、前記バッテリに充電されている電力を前記放電装置に出力して、前記バッテリ電力を消費する強制放電制御装置を更に備えたことを特徴とする請求項2に記載のバックアップ電源装置。
- 前記バッテリは、リチウム電池であることを特徴とする請求項1に記載のバックアップ電源装置。
- 前記バッテリは、リチウム電池であることを特徴とする請求項2に記載のバックアップ電源装置。
- 前記バッテリは、リチウム電池であることを特徴とする請求項3に記載のバックアップ電源装置。
- 光学式エンコーダを駆動するためのバックアップ電源として設けたバッテリの電力を出力する電力出力方法であって、
前記光学式エンコーダの主電源が停電した場合に、前記バッテリの電力を前記光学式エンコーダに供給する工程と、
前記光学式エンコーダが前記主電源より電力が供給されて作動しているときには、定期放電制御装置が前記バッテリの電力を間欠的に放電装置に出力して、前記バッテリの電力を消費する工程と、
を備えたことを特徴とする電力出力方法。 - 強制放電制御装置により、強制放電指令が入力された際に、前記バッテリの電力を前記放電装置に供給して前記バッテリの電力を消費する工程を更に備えたことを特徴とする請求項8に記載の電力出力方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/637,695 US20130015709A1 (en) | 2010-03-29 | 2011-03-07 | Backup power supply device, and power output method |
EP11762495.7A EP2555374A4 (en) | 2010-03-29 | 2011-03-07 | Backup power supply device and power output method |
CN2011800165403A CN102859839A (zh) | 2010-03-29 | 2011-03-07 | 备用电源装置以及电力输出方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010075303A JP2011211791A (ja) | 2010-03-29 | 2010-03-29 | バックアップ電源装置及び電力出力方法 |
JP2010-075303 | 2010-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011122255A1 true WO2011122255A1 (ja) | 2011-10-06 |
Family
ID=44711981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/055246 WO2011122255A1 (ja) | 2010-03-29 | 2011-03-07 | バックアップ電源装置及び電力出力方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20130015709A1 (ja) |
EP (1) | EP2555374A4 (ja) |
JP (1) | JP2011211791A (ja) |
CN (1) | CN102859839A (ja) |
WO (1) | WO2011122255A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6008040B2 (ja) * | 2013-03-15 | 2016-10-19 | 富士電機株式会社 | 無停電電源装置 |
JP6196532B2 (ja) * | 2013-11-05 | 2017-09-13 | 日本電産サンキョー株式会社 | エンコーダ |
JP5921780B1 (ja) * | 2014-08-21 | 2016-05-24 | 三菱電機株式会社 | 電圧供給装置 |
CN110311460A (zh) * | 2019-08-05 | 2019-10-08 | 珠海格力电器股份有限公司 | 编码器的供电方法、装置、编码器和伺服系统 |
CN112349973A (zh) * | 2019-08-07 | 2021-02-09 | 北京小米移动软件有限公司 | 电池模组,充电方法及装置,电子设备,可读存储介质 |
CN111585125A (zh) * | 2020-06-22 | 2020-08-25 | 张俊 | 一种数控系统原点保持器 |
JP7226411B2 (ja) * | 2020-08-07 | 2023-02-21 | 株式会社安川電機 | 拡張モジュール、産業用機器、及び産業用機器のパラメータ又は前記産業用機器により制御される機器の内部状態の推定方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001197673A (ja) * | 2000-01-14 | 2001-07-19 | Sumitomo Heavy Ind Ltd | リチウム電池を用いる装置およびその装置を用いた射出成形機 |
JP2001309577A (ja) * | 2000-04-21 | 2001-11-02 | Matsushita Electric Ind Co Ltd | バックアップ電源供給装置 |
JP2004325125A (ja) | 2003-04-22 | 2004-11-18 | Tamagawa Seiki Co Ltd | 光学式エンコーダにおけるバックアップ用バッテリのボルテージディレイ防止方法及び光学式エンコーダ |
JP2005221476A (ja) * | 2004-02-09 | 2005-08-18 | Samutaku Kk | エンコーダ装置 |
JP2005312089A (ja) | 2004-04-16 | 2005-11-04 | Matsushita Electric Ind Co Ltd | モータ制御装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2702885B1 (fr) * | 1993-03-15 | 1995-04-21 | Alcatel Converters | Système de contrôle de vieillissement d'une batterie et procédé mis en Óoeuvre dans un tel système. |
JP3869585B2 (ja) * | 1999-07-30 | 2007-01-17 | 三洋電機株式会社 | 複数の二次電池の放電方法と組電池 |
US7038426B2 (en) * | 2003-12-16 | 2006-05-02 | The Boeing Company | Method for prolonging the life of lithium ion batteries |
CN201038827Y (zh) * | 2007-05-18 | 2008-03-19 | 深圳市库马克新技术有限公司 | 高炉防坐料风机智能监控系统 |
-
2010
- 2010-03-29 JP JP2010075303A patent/JP2011211791A/ja active Pending
-
2011
- 2011-03-07 WO PCT/JP2011/055246 patent/WO2011122255A1/ja active Application Filing
- 2011-03-07 EP EP11762495.7A patent/EP2555374A4/en not_active Withdrawn
- 2011-03-07 CN CN2011800165403A patent/CN102859839A/zh active Pending
- 2011-03-07 US US13/637,695 patent/US20130015709A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001197673A (ja) * | 2000-01-14 | 2001-07-19 | Sumitomo Heavy Ind Ltd | リチウム電池を用いる装置およびその装置を用いた射出成形機 |
JP2001309577A (ja) * | 2000-04-21 | 2001-11-02 | Matsushita Electric Ind Co Ltd | バックアップ電源供給装置 |
JP2004325125A (ja) | 2003-04-22 | 2004-11-18 | Tamagawa Seiki Co Ltd | 光学式エンコーダにおけるバックアップ用バッテリのボルテージディレイ防止方法及び光学式エンコーダ |
JP2005221476A (ja) * | 2004-02-09 | 2005-08-18 | Samutaku Kk | エンコーダ装置 |
JP2005312089A (ja) | 2004-04-16 | 2005-11-04 | Matsushita Electric Ind Co Ltd | モータ制御装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2555374A4 * |
Also Published As
Publication number | Publication date |
---|---|
US20130015709A1 (en) | 2013-01-17 |
EP2555374A1 (en) | 2013-02-06 |
CN102859839A (zh) | 2013-01-02 |
EP2555374A4 (en) | 2017-03-01 |
JP2011211791A (ja) | 2011-10-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2011122255A1 (ja) | バックアップ電源装置及び電力出力方法 | |
US8533509B2 (en) | Device and method for controlling secondary battery | |
US7541773B2 (en) | Battery-powered tool capable of detecting discharged battery pack | |
CN110892360B (zh) | 用于管理处于非活动模式的微控制器所消耗的功率的系统和方法 | |
WO2017209238A1 (ja) | バッテリモジュール電圧制御装置、バッテリモジュールおよび電源システム | |
CN101803141B (zh) | 对具有输出等效串联电阻的任何电源的自适应电流限制 | |
US10505477B2 (en) | Load drive current control method and system | |
US20130036320A1 (en) | Image forming apparatus, feeding control method, and computer program product | |
JP4111890B2 (ja) | 無停電電源装置 | |
TWI662773B (zh) | 偵測電源供應單元電容值的系統及方法 | |
JP5997700B2 (ja) | 電源装置とその制御方法 | |
US9277078B2 (en) | Information processing apparatus with power control unit, control method therefor, and storage medium storing control program therefor | |
JP2008022641A (ja) | バックアップ電源装置 | |
TWI591931B (zh) | Power control device and information processing device | |
KR102167429B1 (ko) | 에너지 저장 장치의 과방전 방지 및 재기동 장치 및 방법 | |
JP2006254612A (ja) | 電池制御回路、該電池制御回路を備えた電子機器、充電制御プログラム、充電制御方法 | |
JP5851980B2 (ja) | 電源起動・停止制御回路 | |
JP2011010448A (ja) | 制御ユニット | |
JP2007124781A (ja) | 電源装置、無停電電源装置および電力出力制御方法 | |
US11766952B2 (en) | Power supply circuit, power supply method, and storage medium | |
JP5445205B2 (ja) | 携帯機器の電源制御回路及び携帯機器の電源制御方法 | |
JP4948189B2 (ja) | 電源回路および携帯端末装置 | |
JP5682370B2 (ja) | 整流器システム | |
JP2009071964A (ja) | 充電制御回路およびそれを利用した電子機器 | |
JP2016220284A (ja) | 電子機器及び無停電制御装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201180016540.3 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11762495 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13637695 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REEP | Request for entry into the european phase |
Ref document number: 2011762495 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011762495 Country of ref document: EP |