WO2011097979A1 - 一种蓄电池供电方法、装置及系统 - Google Patents
一种蓄电池供电方法、装置及系统 Download PDFInfo
- Publication number
- WO2011097979A1 WO2011097979A1 PCT/CN2011/070462 CN2011070462W WO2011097979A1 WO 2011097979 A1 WO2011097979 A1 WO 2011097979A1 CN 2011070462 W CN2011070462 W CN 2011070462W WO 2011097979 A1 WO2011097979 A1 WO 2011097979A1
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- WO
- WIPO (PCT)
- Prior art keywords
- battery
- power supply
- circulating
- load
- backup
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; 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
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Definitions
- the present invention relates to the field of communications technologies, and more particularly to a battery power supply method, apparatus and system.
- the existing general treatment methods are: directly discard the original lead-acid battery of the base station, replace it with a new battery or Long-life, deep-cycle iron-lithium battery.
- old lead-acid batteries are discarded anywhere, causing serious environmental pollution and waste of funds.
- the existing maintenance-free lead-acid batteries have insufficient cycle life, which is not conducive to long-term outdoor cycling environment, and it is easy to form batteries. Fast failure, a vicious cycle in which the old battery is replaced, and the new battery is quickly replaced.
- FIG 1 is a schematic diagram of an implementation of the application technology, mainly composed of an AC input, a power supply system, a battery pack, and a load; the load can be connected to different devices according to requirements; the battery pack is composed of an old battery pack 1 and a new battery pack 2 in parallel.
- the embodiments of the present invention provide a battery power supply method, device, and system, which can implement mixing between different types of storage batteries.
- the embodiment of the invention provides a battery power supply method, and the method includes:
- the backup battery is enabled to supply the load.
- An embodiment of the present invention provides a battery power supply device, where the device includes:
- a detecting unit configured to detect a power supply state of the circulating battery in the system, wherein the system first supplies power to the load by the circulating battery;
- control unit configured to enable the backup battery to supply power to the load when the voltage of the circulating battery drops to a voltage threshold.
- the embodiment of the present invention further provides a battery power supply system, the system comprising: a power system, a load, a battery for recycling, and a backup battery, and the battery power supply device; wherein: the power system is used for external AC power supply The load is supplied with power, and the circulating battery and the backup battery are charged by the battery power supply device by using the external alternating current;
- the circulating battery and the backup battery are configured to supply power to the load through the battery power supply device when the external alternating current is abnormal.
- the technical solution provided by the embodiment of the present invention has the following advantages:
- the deep cycle and long life characteristics of the battery for circulation are utilized, and the load is first used to supply power to the load, and is set by using The voltage is wide, and when the voltage of the circulating battery drops to the voltage threshold, the backup battery is enabled to supply the load, so that the circulating battery and the backup battery of different types and different discharge characteristics can be combined. It can realize the reuse of the old backup battery, improve the utilization rate of the backup battery, extend the life of the backup battery, and reduce the replacement frequency of the backup battery;
- the combination of the recycling battery and the backup battery of different types and different discharge characteristics can solve the defect of insufficient backup battery capacity, and improve the system backup time and reliability.
- FIG. 1 is a schematic diagram of power supply using a new and old battery pack in the prior art
- FIG. 2 is a flow chart showing the steps of a battery power supply method according to an embodiment of the present invention
- FIG. 3 is a flow chart showing the steps of another battery power supply method according to an embodiment of the present invention.
- FIG. 4 is a schematic structural diagram of a battery power supply device according to an embodiment of the present invention.
- Figure 5 is a schematic structural view of the first control unit
- FIG. 6 is a schematic structural view of a second control unit
- FIG. 7 is a schematic structural diagram of a battery power supply system according to an embodiment of the present invention.
- FIG. 8 is a schematic structural diagram of a specific implementation of a battery power supply system according to an embodiment of the present invention
- FIG. 9 is a schematic structural diagram of another battery power supply system according to an embodiment of the present invention.
- the circulating battery and the backup battery of different types and different discharge characteristics are combined to improve For the utilization of the backup battery.
- FIG. 2 it is a schematic flowchart of the steps of the method, and the method may include the following steps:
- Step 101 Detect a power supply state of a circulating battery in the system, where the system first supplies power to the load by the circulating battery;
- Step 102 When the voltage of the circulating battery drops to a voltage threshold, the backup battery is enabled to supply the load.
- the embodiment of the invention effectively utilizes the characteristics of deep cycle and long life of the circulating battery, and by setting the voltage threshold, the power supply for the load for a long time is provided by the circulating battery, and when the voltage of the circulating battery drops to the voltage threshold , the backup battery is enabled to supply power to the load, thereby achieving
- the backup battery is supported by a small-capacity backup battery, so that the cycle battery and the backup battery can be extended, the old backup battery can be reused, the life of the backup battery pack can be extended, and the number of backup battery replacements can be reduced. Reduce the investment in the power supply system of the base station and reduce the possible environmental pollution.
- the combination of the circulating battery and the backup battery can solve the defects of insufficient backup battery capacity and insufficient standby time of the base station, and improve the reliability of the base station power supply system.
- the communication line is unobstructed.
- the backup battery generally has a low storage capacity and a short cycle life, for example: a valve-regulated lead-acid battery; the circulating battery generally has a high storage capacity and a long cycle life.
- Lithium iron phosphate battery or rich liquid battery Commonly used in existing base station power supply systems are backup batteries that have low storage capacity and short cycle life.
- the condition that the backup battery is enabled to supply power to the load is that the voltage of the battery for circulation is reduced to a voltage threshold.
- the implementation process may include two specific implementation manners: When the voltage of the circulating battery falls to the same voltage as the backup battery, the load is supplied in parallel by the circulating battery and the backup battery. In this implementation, the current voltage of the backup battery that is not connected to the power supply system is directly used as the voltage threshold of the battery for circulation, and when the voltage of the battery for the cycle is reduced to be the same as the current voltage of the backup battery, The parallel storage battery and the circulating battery are used to supply power to the load. In another implementation manner, when the voltage of the circulating battery drops to a preset voltage value, the circulating battery is interrupted to the load.
- the backup battery is used to provide independent power supply to the load, and is suitable for an application scenario in which the backup battery is used to provide short-term backup power to the load.
- another battery power supply method is provided in the embodiment of the present invention. As shown in FIG. 3, the method includes:
- Step 301 Detecting a power supply state of the circulating battery in the system, where the system first supplies power to the load by the circulating battery;
- Step 302 When the voltage of the circulating battery drops to a preset voltage value, interrupting power supply of the circulating battery to the load, and powering the load by the backup battery;
- Step 303 When the voltage of the backup battery falls to the preset voltage value, the load is supplied by the circulating battery and the backup battery in parallel.
- the load for the voltage value of the cycle battery and the backup battery to be preset, the load is first used to supply power to the load, and when the voltage of the independent cycle battery falls to a preset voltage value, the backup battery pair is enabled. The load is independently powered.
- the technical solution of the above embodiment describes an application scenario in which the external battery is abnormal, and the load is supplied by the circulating battery and the backup battery.
- the load is usually supplied by external AC power
- the circulating battery and the backup battery are charged by external AC power.
- the battery for circulation is usually first charged.
- the backup battery is charged to ensure that when the battery is used to maintain the load, the long-term power supply of the load is provided by the circulating battery.
- the standby power of the load is supported by a smaller capacity backup battery.
- the battery power supply device 20 includes:
- the detecting unit 201 is configured to detect a power supply state of the circulating battery in the system, wherein the system first supplies power to the load by the circulating battery;
- the control unit 202 is configured to enable the backup battery to supply power to the load when the voltage of the circulating battery drops to a voltage threshold.
- the embodiment of the invention effectively utilizes the characteristics of deep cycle and long life of the circulating battery.
- the load is first supplied by the circulating battery, that is, the long-term power supply of the load is used by the cycle.
- the battery is provided; when the voltage of the circulating battery drops to a voltage threshold, the backup battery is enabled to supply the load.
- the battery power supply device supports the backup power of the load by the backup battery of a smaller capacity, thereby making the battery for circulation
- the spare battery can be extended, the old spare battery can be reused, the life of the backup battery pack can be prolonged, the number of spare battery replacements can be reduced, the transformation input of the base station power supply system can be reduced, and possible environmental pollution can be reduced;
- the combination of the battery and the backup battery can solve the defects of insufficient capacity of the backup battery and insufficient standby time of the base station, improve the reliability of the power supply system of the base station, and ensure the smoothness of the communication line.
- control unit includes: a first control unit, configured to: when the voltage of the circulating battery drops to the same voltage as the backup battery, by the cycle The battery is powered in parallel with the backup battery; the second control unit is configured to interrupt the power supply of the circulating battery to the load when the voltage of the circulating battery drops to a preset voltage value, The backup battery supplies power to the load.
- control unit in the embodiment of the present invention provides two battery power supply modes.
- the second control unit is further configured to: when the voltage of the backup battery drops to the preset voltage value, the battery for the cycle and the backup battery are connected in parallel The load is powered.
- the load can be supplied by the battery power supply device using the circulating battery and the backup battery.
- the load is usually supplied by external AC power, and the cycle battery and the backup battery are charged by external AC power. Therefore, the control unit is further configured to: during the charging of the circulating battery and the backup battery by using the external alternating current, control the alternating current to first charge the circulating battery, and after the charging of the circulating battery is completed, control the alternating current to reserve The battery is charged.
- the first control unit may include: a diode 301 and a resistor 302 connected in parallel across the diode 301; wherein, the anode of the diode 301 is connected to the anode of the backup battery 303; and the cathode of the diode 301 is connected.
- the positive pole of the circulating battery 304 is connected to the output positive pole of the power supply system 305.
- the power supply system 305 is configured to directly supply power to the load by using external alternating current when the external alternating current is normal, and use the external alternating current to the circulating battery. with The spare battery is charged.
- the resistor 302 is used to limit charging of the backup battery 303 by external alternating current.
- the diode 301 is configured to control the cycle battery 304 to discharge before the backup battery 303; when the voltage of the cycle battery 304 falls to be the same as the backup battery 303, the backup battery 303 is controlled The circulating battery 304 is simultaneously discharged.
- the power supply system When the external AC input is normal and the load is supplied by external AC power, the power supply system directly charges the circulating battery, and the backup battery is charged by the current limiting resistor R1, so that a large current can be charged to the circulating battery, and a small current is charged to the backup battery. .
- the load When the external AC input is abnormal, the load is supplied by the circulating battery and the backup battery. According to the reverse characteristics of the diode and the different voltage platforms of the circulating battery and the backup battery, the circulating battery usually discharges preferentially. At this time, the voltage platform The high cycle battery does not charge the backup battery with low voltage platform, which can avoid the bias current; the backup battery is temporarily disconnected and does not generate discharge; when the cycle battery voltage drops to the same as the backup battery voltage, the backup battery starts. Discharge, and the backup battery is connected in parallel with the circulating battery to supply power to the load.
- the embodiment of the invention provides a feasible way to realize the reuse of the spare battery, which is simple and convenient to implement.
- the second control unit may include: a first switching device 306 disposed between the backup battery 303 and the power system 305, and a battery for the cycle. a second switching device 307 and a micro control subunit 308 between the power supply system 305;
- the control subunit 308 is configured to output a connection or disconnection control signal to the first switching device 306 and the second switching device 307;
- the first switching device 306 is configured to implement a connection or disconnection state of the backup storage battery 303 and the power supply system 305 according to the corresponding control signal;
- the second switching device 307 is configured to implement a connection or disconnection state of the circulating battery 304 and the power supply system 305 according to the corresponding control signal. "OQ" When the AC input is normal, the micro control subunit 308 outputs a connection control signal to the second switching device 307, realizes the connection of the cycle battery 304 to the power supply system 305, and outputs a disconnection control signal to the first switching device 306. The disconnection of the backup battery 303 from the power supply system 305 is achieved.
- the circulation battery 304 When the circulation battery 304 is connected to the power supply system 305, the circulation battery 304 is charged by the external alternating current; after the circulation battery 304 is charged, the control subunit 308 outputs the disconnection control signal to the second switching device 307, and A switching device 306 outputs a connection control signal to realize connection between the backup battery 303 and the power supply system 305.
- the backup battery 303 is charged by external alternating current. After the backup battery 303 is charged, the control subunit 308 outputs the disconnection control to the first switching device 306. signal.
- the external alternating current can be controlled to first charge the circulating battery, and after the charging of the circulating battery is completed, the alternating current is controlled to charge the standby battery.
- the micro control subunit 308 controls the circulating battery 304 and the backup battery 303 to supply power to the load.
- the specific implementation manner is as follows: Micro control subunit 308 first outputs a connection control signal to the second switching device 307 to realize connection between the cycle battery 304 and the power supply system 305, and the cycle battery 304 first supplies power to the load, and the detection unit 201 simultaneously detects the power supply state of the cycle battery 304.
- the micro control subunit 308 When the voltage of the cycle battery 304 drops to the preset voltage value, the micro control subunit 308 outputs an off control signal to the second switching device 307, interrupting the supply of power to the load by the cycle battery 304; meanwhile, by the micro control subunit 308 The connection control signal is outputted to the first switching device 306 to realize the connection between the backup battery 303 and the power supply system 305, and the backup battery 303 supplies power to the load.
- the detecting unit 201 simultaneously detects the power supply state of the backup battery 303, and the voltage drop of the backup battery 303.
- Micro control sub-unit 308 again to the second switching device 307 outputs a control signal is connected, to achieve the circulation storage battery 304 is connected to the power supply system 305 provides power to the load from the battery after 304 cycles and 303 parallel access to the battery backup.
- the specific implementation of the first switching device 306 and the second switching device 307 can be selectively set according to an application scenario, such as: a triode, a MOS transistor, to enable the connection between the power system 305 and each battery to be turned on or off.
- an application scenario such as: a triode, a MOS transistor, to enable the connection between the power system 305 and each battery to be turned on or off.
- the present invention is not specifically limited thereto.
- the battery power supply device of the present invention further provides a battery power supply system. As shown in FIG.
- the system may include: a power supply system 305, a load 309, a circulating battery 304, and a backup battery 303, and a battery power supply.
- the circulating battery 304 and the backup battery 303 are configured to supply power to the load 309 through the battery power supply device when the external alternating current is abnormal;
- the battery power supply device 20 includes: a detecting unit 201, configured to detect the system a power supply state of the intermediate battery 304, wherein the system first supplies power to the load 309 by the circulating battery 304;
- the control unit 202 is configured to enable the backup battery 303 to supply power to the load 309 when the voltage of the circulating battery 304 drops to a voltage threshold.
- the embodiment of the invention effectively utilizes the characteristics of deep cycle and long life of the battery for circulation, the power supply for the long time of the load is provided by the circulating battery, and the backup battery of the smaller capacity supports the backup of the load, thereby making the battery for circulation
- the spare battery can be extended, the old spare battery can be reused, the life of the backup battery pack can be prolonged, the number of spare battery replacements can be reduced, the transformation input of the base station power supply system can be reduced, and possible environmental pollution can be reduced;
- the combination of the battery and the backup battery can solve the defects of insufficient capacity of the backup battery and insufficient standby time of the base station, improve the reliability of the power supply system of the base station, and ensure the smoothness of the communication line.
- the specific implementation of the battery power supply device 20 includes: a diode 301 and a resistor 302 connected in parallel across the diode 301; wherein, the anode of the diode 301 is connected to the anode of the backup battery 303; The cathode of the diode 301 is connected to the anode of the circulating battery 304, and is connected to the output positive pole of the power supply system 305;
- the resistor 302 is configured to limit charging power for charging the backup battery 303 by external alternating current
- the diode 301 is configured to control the cycle battery 304 to discharge before the backup battery 303; when the voltage of the cycle battery 304 falls to be the same as the backup battery 303, the backup battery 303 is controlled
- the circulating battery 304 is simultaneously discharged.
- the specific implementation of the battery power supply device 20 includes: a first switch device 306 disposed between the backup battery 303 and the power system 305 , and a battery 305 disposed in the cycle and the power system 305 . a second switching device 307 and a micro control subunit 308; wherein the control subunit 308 is configured to output a connection or disconnection control signal to the first switching device 306 and the second switching device 307;
- the switching device 306 is configured to implement a connection or disconnection state of the backup battery 303 and the power system 305 according to the corresponding control signal; the second switching device 307 is configured to implement the The battery 304 for circulation is connected or disconnected from the power supply system 305.
- the specific implementation of the first switching device 306 and the second switching device 307 can be selectively set according to an application scenario, such as: a triode, a MOS transistor, to achieve a connection between the power system 305 and each battery or
- an application scenario such as: a triode, a MOS transistor, to achieve a connection between the power system 305 and each battery or
- the present invention is not specifically limited.
- the external alternating current when the external alternating current input is normal, the external alternating current can be controlled to first charge the circulating battery, and when the circulating battery is completed, the alternating current is controlled to charge the standby battery.
- the alternating current can be controlled to first charge the circulating battery, and after the circulating battery is charged, the alternating current is controlled to charge the standby battery.
- the circulating battery includes a lithium iron silicate battery or a rich liquid battery
- the backup battery includes a valve-regulated lead-acid battery.
- the battery power supply device in the above embodiment of the present invention may be implemented by software, hardware, or a combination of software and hardware, which is not specifically limited in this embodiment of the present invention.
- the description is relatively simple, and the relevant parts can be referred to the description of the device embodiment.
- the device embodiments described above are merely illustrative, wherein the modules described as separate components may or may not be physically separated, and the components displayed as modules may or may not be physical modules, ie may be located One place, or it can be distributed to multiple network modules.
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Battery Mounting, Suspending (AREA)
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012552244A JP2013531448A (ja) | 2010-02-10 | 2011-01-21 | ストレージバッテリから電力を供給する方法、装置、及びシステム |
| BR112012019836A BR112012019836A2 (pt) | 2010-02-10 | 2011-01-21 | método, dispositivo e sistema para fornecimento de energia a partir das baterias |
| MX2012009272A MX2012009272A (es) | 2010-02-10 | 2011-01-21 | Metodo, dispositivo, y sistema para suministrar energia de baterias. |
| EP11741850A EP2523306A4 (en) | 2010-02-10 | 2011-01-21 | METHOD, DEVICE AND SYSTEM FOR DELIVERING ENERGY FROM A STORAGE BATTERY |
| US13/567,775 US20120293002A1 (en) | 2010-02-10 | 2012-08-06 | Method, device, and system for supplying power from batteries |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010111252.3 | 2010-02-10 | ||
| CN2010101112523A CN102148531A (zh) | 2010-02-10 | 2010-02-10 | 一种蓄电池供电方法、装置及系统 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US13/567,775 Continuation US20120293002A1 (en) | 2010-02-10 | 2012-08-06 | Method, device, and system for supplying power from batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2011097979A1 true WO2011097979A1 (zh) | 2011-08-18 |
Family
ID=44367252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2011/070462 Ceased WO2011097979A1 (zh) | 2010-02-10 | 2011-01-21 | 一种蓄电池供电方法、装置及系统 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20120293002A1 (zh) |
| EP (1) | EP2523306A4 (zh) |
| JP (1) | JP2013531448A (zh) |
| CN (1) | CN102148531A (zh) |
| BR (1) | BR112012019836A2 (zh) |
| MX (1) | MX2012009272A (zh) |
| WO (1) | WO2011097979A1 (zh) |
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| CN102523597A (zh) * | 2011-11-24 | 2012-06-27 | 广东高新兴通信股份有限公司 | 一种监控通信基站所在地油机发电的监控方法 |
| EP2790292A4 (en) * | 2012-05-10 | 2015-01-28 | Huawei Tech Co Ltd | TEMPORARY EMERGENCY POWER SUPPLY SYSTEM AND TEMPORARY EMERGENCY POWER SUPPLY PROCESS |
| EP2685539B1 (de) * | 2012-07-13 | 2018-12-19 | Robert Bosch GmbH | Energiespeichervorrichtung für eine Photovoltaikanlage und Verfahren zum Betreiben einer Energiespeichervorrichtung einer Photovoltaikanlage |
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| CN114069820A (zh) * | 2020-08-07 | 2022-02-18 | 周雅娟 | 一种储能供电系统、控制方法及存储介质 |
| WO2022094906A1 (zh) * | 2020-11-06 | 2022-05-12 | 华为技术有限公司 | 电源系统、充电方法和放电方法 |
| CN113066275B (zh) * | 2021-03-17 | 2022-04-05 | 深圳市雷铭科技发展有限公司 | 一种在线交互型太阳能发电控制装置 |
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- 2011-01-21 MX MX2012009272A patent/MX2012009272A/es not_active Application Discontinuation
- 2011-01-21 BR BR112012019836A patent/BR112012019836A2/pt not_active IP Right Cessation
- 2011-01-21 WO PCT/CN2011/070462 patent/WO2011097979A1/zh not_active Ceased
- 2011-01-21 EP EP11741850A patent/EP2523306A4/en not_active Withdrawn
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| CN102523597A (zh) * | 2011-11-24 | 2012-06-27 | 广东高新兴通信股份有限公司 | 一种监控通信基站所在地油机发电的监控方法 |
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Also Published As
| Publication number | Publication date |
|---|---|
| BR112012019836A2 (pt) | 2016-05-17 |
| US20120293002A1 (en) | 2012-11-22 |
| EP2523306A1 (en) | 2012-11-14 |
| CN102148531A (zh) | 2011-08-10 |
| JP2013531448A (ja) | 2013-08-01 |
| EP2523306A4 (en) | 2013-03-06 |
| MX2012009272A (es) | 2012-12-17 |
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