CN106787037A - Double-power-supply management device based on solar energy - Google Patents
Double-power-supply management device based on solar energy Download PDFInfo
- Publication number
- CN106787037A CN106787037A CN201611029794.XA CN201611029794A CN106787037A CN 106787037 A CN106787037 A CN 106787037A CN 201611029794 A CN201611029794 A CN 201611029794A CN 106787037 A CN106787037 A CN 106787037A
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- CN
- China
- Prior art keywords
- circuit
- power supply
- solar energy
- charging
- solar
- 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.)
- Pending
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Classifications
-
- 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
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from AC mains by converters
-
- 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
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
-
- 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
- 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
- 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
- H02J2207/00—Details of circuit arrangements for charging or discharging batteries or supplying loads from batteries
- H02J2207/40—Details of circuit arrangements for charging or discharging batteries or supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage
-
- 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
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
-
- 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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a dual-power management device based on solar energy, which comprises an energy storage battery (10), a mains supply charging circuit (20) and a solar charging circuit (30), wherein the mains supply charging circuit (20) is connected with the output end of the solar charging circuit (30) in parallel and then is connected with the input end of the energy storage battery (10); the commercial power charging circuit (20) comprises a first charging management chip (21) connected with the output end of the commercial power switch power supply circuit (50), and the solar charging circuit (30) comprises a solar panel (31) and a second charging management chip (32) electrically connected with the solar panel (31); the output end of the energy storage battery (10) is electrically connected with a battery power supply output control circuit (40), and the battery power supply output control circuit (40) comprises a switch control element (41) and a boosting circuit (42) which are electrically connected. When the power supply is externally connected with commercial power, the power supply obtains a direct current power supply through the switching power supply, and the lithium battery is charged preferentially; when the external power supply disappears, the solar energy automatically charges the lithium battery, the dual-power supply function is realized, and the energy-saving and environment-friendly effects are realized while the uninterrupted power supply is realized.
Description
Technical field
The present invention relates to technical field of power management, dress is managed more particularly, to a kind of dual power supply based on solar energy
Put.
Background technology
Traditional electrical equipment management circuit is generally single supply management, is only to be powered by AC220V power supplys so that electricity
When having a power failure or when pulling out power supply, electrical equipment standby or cannot be used normally device.And with information age and the hair of smart city
Exhibition, largely increased demand of the electrical equipment for dual power supply, make electrical equipment do not carry out it is uninterruptedly standby when AC powers,
Customer can anywhere or anytime carry out networking control or import data.The usual of conventional electrical appliance has an idle function, and standby
Function needs the support of electricity, so allows for electrical equipment and certain electricity is also required in the case of not use, causes the wave of electricity
Take.In view of the situation, country's issue power-consumption standby policy of air-conditioning 0, it is desirable to which the power consumption of electrical equipment is low, more environmentally friendly.
The content of the invention
The present invention provides a kind of dual power supply managing device based on solar energy, makes it in the external civil power of power supply, and power supply is passed through
Switching Power Supply obtains dc source, is preferentially charged to energy-storage battery；When external power supply disappears, solar energy fills to energy-storage battery
Electricity, possesses dual power supply function, can realize energy-conserving and environment-protective while uninterrupted power supply.
More specifically, embodiment of the present invention is as follows：
A kind of dual power supply managing device based on solar energy, including energy-storage battery, commercial power charged circuit and solar recharging
Circuit, the input after the commercial power charged circuit is in parallel with the output end of the solar charging circuit with the energy-storage battery
Connection；The commercial power charged circuit includes the first charging management chip being connected with the output end of urban electric power switch power circuit, institute
Stating solar charging circuit includes solar energy electroplax and the second charging management chip electrically connected with the solar energy electroplax；It is described
The output end of energy-storage battery electrically connects a battery supply output control circuit, and the battery supply output control circuit includes being electrically connected
The switch control element and booster circuit for connecing.
Preferably, the switch control element includes PMOS, the grid of the PMOS and the urban electric power switch power supply
The output end electrical connection of circuit, the drain electrode of the PMOS is connected with the output end of the rechargeable battery, the source of the PMOS
Pole electrically connects with the Enable Pin of the booster circuit.
Preferably, the urban electric power switch power circuit includes current rectifying and wave filtering circuit, start-up circuit, positive-feedback circuit and voltage stabilizing
Circuit.
Preferably, first charging management chip is lithium battery large current charge chip CN3761.
Preferably, second charging management chip includes lithium cell charging managing chip CN3065.
Preferably, the booster circuit includes the DCDC boost chips for the terminal voltage of energy-storage battery to be boosted
YB1109。
Preferably, the rated voltage of the energy-storage battery is 3.7V, and capacity is 900mAh.
Beneficial effects of the present invention：
Dual power supply managing device of the present invention based on solar energy, makes it in the external civil power of power supply, and power supply is through Switching Power Supply
Dc source is obtained, preferentially to lithium cell charging；When external power supply disappears, solar energy possesses dual power supply to lithium cell charging
Function of supplying power, can realize also energy-conserving and environment-protective while uninterrupted power supply.Electric power supply is given with the present invention, even in no city
Also can be uninterruptedly standby during electricity power supply.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate, for explaining the present invention, not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the system architecture diagram of the dual power supply managing device that the embodiment of the present invention is based on solar energy；
Fig. 2 is the circuit theory diagrams of the part of module of the dual power supply managing device that the embodiment of the present invention is based on solar energy；
Fig. 3 is the circuit of the urban electric power switch power circuit of the dual power supply managing device based on solar energy of the embodiment of the present invention
Schematic diagram.
Reference：
10th, energy-storage battery；20th, commercial power charged circuit；21st, the first charging management chip；30th, solar charging circuit；31、
Solar energy electroplax；32nd, the second charging management chip；40th, battery supply output control circuit；41st, switch control element；42nd, rise
Volt circuit.
Specific embodiment
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the application can be mutually combined.
Referring to figs. 1 to Fig. 3, a kind of dual power supply managing device based on solar energy, including storage are the embodiment of the invention provides
Energy battery 10, commercial power charged circuit 20 and solar charging circuit 30, the commercial power charged circuit 20 and the solar recharging
It is connected with the input of the energy-storage battery 10 after the output end parallel connection of circuit 30；The commercial power charged circuit 20 is established by cable including city
Powered-down source circuit and the first charging management chip 21 being connected with the output end of the urban electric power switch power circuit, the solar energy
Charging circuit 30 includes solar energy electroplax 31 and the second charging management chip 32 electrically connected with the solar energy electroplax 31；It is described
The output end of rechargeable battery 10 electrically connects a battery supply output control circuit 40, and the battery supply output control circuit 40 is wrapped
Include the switch control element 41 and booster circuit 42 of electrical connection.
Dual power supply managing device of the present invention based on solar energy, makes it in the external civil power of power supply, and power supply is through Switching Power Supply
Dc source is obtained, preferentially to lithium cell charging；When external power supply disappears, solar energy possesses dual power supply to lithium cell charging
Function of supplying power, can realize also energy-conserving and environment-protective while uninterrupted power supply.
Wherein, the rectified filter circuit of urban electric power switch power circuit, start-up circuit, positive-feedback circuit and mu balanced circuit are by city
The DC DC load powers of 9V or 12V are converted into after electric rectification transform, while powering load, are charged by first
Managing chip 21 charges to energy-storage battery 10, and the switch control element 41 in battery supply output control circuit 40 is of the invention real
Apply example and end when thering is civil power to be input into, so the Enable Pin of booster circuit 42 does not work for low level, i.e. booster circuit 42, load is only
The power taking from the dc source after civil power conversion.After civil power power-off, switch control element 41 is turned on, and booster circuit 42 works,
Booster circuit 42 is powered after being boosted to the terminal voltage of rechargeable battery 10 to load.
It is powered to electrical equipment by the embodiment of the present invention, also can be uninterruptedly standby when mains-supplied is not carried out, if
Meet on hardware and require, user can also anywhere or anytime carry out networking control or data are imported.More preferably, the present invention is solved
The problem of the power consumption of electric appliance standby 0, while under civil power powering-off state, being powered to CPU by solar energy and energy-storage battery, makes CPU
Never power off.Further, can also be by the power supply side of the embodiment of the present invention for corresponding network communication related hardware
Case is powered, it is possible to meets client and accesses host CPU to understand electrical equipment situation by APP, and sets electrical function.
More specifically, the switch control element 41 includes PMOS, the grid of the PMOS and the urban electric power switch
The output end electrical connection of power circuit, the drain electrode of the PMOS is connected with the output end of the rechargeable battery 10, the PMOS
The source electrode of pipe is electrically connected with the Enable Pin of the booster circuit 42.Alternatively it is also possible to realize the function by triode.
The rated voltage of the energy-storage battery 10 is 3.7V, and capacity is 900mAh.The urban electric power switch power circuit includes
Positive activation type on-off circuit or inverse-excitation type switch power-supply circuit.First charging management chip 21 includes CN3761 chips.
Second charging management chip 32 includes CN3065 chips.CN3065 can be the single-unit powered with solar panels
Lithium cell charging managing chip.The device inside includes power transistor, using when need not be outside current sense resistor and
Choked flow diode.8 internal analog to digital converters, can automatically adjust according to the current output capability of input voltage source
Whole charging current, user can maximally utilise the current output capability of input voltage source without the concern for worst case, non-
Often it is adapted to the lithium cell charging application using limited voltage feds of current output capability such as solar panels.Described second charges
Managing chip 32 includes the YB1109 chips for realizing boost function.
Wherein, CN3761 is PWM decompression mode single lithium battery Charge Management integrated circuits, independent that single lithium battery is filled
Electricity is managed, small with packaging appearance, peripheral component it is few and using it is simple the advantages of.CN3761 has a trickle, constant current and
Constant-voltage charge pattern, is especially suitable for lithium cell charging management.In constant-voltage charge pattern, be modulated at for cell voltage by CN3761
4.2V, it is also possible to adjusted upward by a non-essential resistance；In constant current charging mode, charging current is set by a non-essential resistance
Put.CN3761 is PWM decompression mode single lithium battery Charge Management integrated circuits, and independent charging to single lithium battery is managed
Reason, it is small with packaging appearance, peripheral component it is few and using it is simple the advantages of.CN3761 has trickle, constant current and constant-voltage charge
Pattern, is especially suitable for lithium cell charging management.In constant-voltage charge pattern, cell voltage is modulated at 4.2V by CN3761, it is also possible to
Adjusted upward by a non-essential resistance；In constant current charging mode, charging current is set by a non-essential resistance.For depth
The lithium battery of electric discharge, when 66.5% (representative value) of the cell voltage less than constant-voltage charge voltage, the perseverance set by CN3761
17.5% pair of battery of current charge electric current carries out trickle charge.In constant voltage charging phase, charging current is gradually reduced, when the electricity that charges
When stream is reduced to the 16% of constant-current charge electric current, charging terminates.In charging done state, if cell voltage drops to constant pressure and fills
The 95.5% of piezoelectric voltage, automatically begins to new charge cycle.When input power power down or input voltage are less than cell voltage,
CN3761 is automatically into sleep pattern.
CN3065 can be the single lithium battery charging management chip powered with solar panels.The device inside includes power
Transistor, using when need not be outside current sense resistor and choked flow diode.8 internal analog to digital converters,
Can be according to the current output capability adjust automatically charging current of input voltage source, user, can be most without the concern for worst case
Limits ground is especially suitable for limited using current output capabilities such as solar panels using the current output capability of input voltage source
The lithium cell charging application of voltage fed.When input voltage power down, CN3065 automatically into low-power consumption sleep pattern, this
When battery current drain be less than 3 microamperes.Other functions include the too low latch of input voltage, recharge automatically, battery temperature prison
The function such as control and charged state/charging done state instruction.
The present invention provides more specifically reference implementation example：
When connecting AC220V to system, civil power obtains the DC voltage of 12V/5A through Switching Power Supply, and CN3761 is to lithium battery
Charge, untill being full of, now PMOS cut-off, YB1109 is ended due to Enable Pin for low level, and lithium battery is not involved in power supply；
When civil power AC220V disconnects, DC12V powers disappearance, and CN3761 stops to lithium cell charging, PMOS conducting, YB1109 due to
Enable Pin high level, 7.5V is boosted to by 3.7V lithium batteries, is kept to load supplying.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of dual power supply managing device based on solar energy, it is characterised in that：Including energy-storage battery (10), commercial power charged circuit
(20) and solar charging circuit (30), the output end of the commercial power charged circuit (20) and the solar charging circuit (30)
Input after parallel connection with the energy-storage battery (10) is connected；The commercial power charged circuit (20) is including electric with urban electric power switch power supply
First charging management chip (21) of the output end connection on road (50), the solar charging circuit (30) is including solar energy electroplax
(31) the second charging management chip (32) for and with the solar energy electroplax (31) electrically connecting；The output of the energy-storage battery (10)
One battery supply output control circuit (40) of end electrical connection, the battery supply output control circuit (40) is opened including electrical connection
Close control element (41) and booster circuit (42).
2. the dual power supply managing device based on solar energy according to claim 1, it is characterised in that：The switch control unit
Part (41) includes PMOS, and the grid of the PMOS is electrically connected with the output end of the urban electric power switch power circuit (50), institute
The drain electrode for stating PMOS is connected with the output end of the rechargeable battery (10), the source electrode of the PMOS and the booster circuit
(42) Enable Pin electrical connection.
3. the dual power supply managing device based on solar energy according to claim 1, it is characterised in that：The urban electric power switch electricity
Source circuit includes current rectifying and wave filtering circuit, start-up circuit, positive-feedback circuit and mu balanced circuit.
4. the dual power supply managing device based on solar energy according to claim 1, it is characterised in that：First charging valve
Reason chip (21) is lithium battery large current charge chip CN3761.
5. the dual power supply managing device based on solar energy according to claim 1, it is characterised in that：Second charging valve
Reason chip (32) includes lithium cell charging managing chip CN3065.
6. the dual power supply managing device based on solar energy according to claim 1, it is characterised in that：The booster circuit
(42) including the DCDC boost chips YB1109 for the terminal voltage of energy-storage battery (10) to be boosted.
7. the dual power supply managing device based on solar energy according to claim 1, it is characterised in that the energy-storage battery
Rated voltage is 3.7V, and capacity is 900mAh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611029794.XA CN106787037A (en) | 2016-11-15 | 2016-11-15 | Double-power-supply management device based on solar energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611029794.XA CN106787037A (en) | 2016-11-15 | 2016-11-15 | Double-power-supply management device based on solar energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106787037A true CN106787037A (en) | 2017-05-31 |
Family
ID=58970374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611029794.XA Pending CN106787037A (en) | 2016-11-15 | 2016-11-15 | Double-power-supply management device based on solar energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106787037A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181307A (en) * | 2017-06-14 | 2017-09-19 | 深圳市全智芯科技有限公司 | Battery multi-source charge protector |
| CN107317379A (en) * | 2017-08-22 | 2017-11-03 | 上海点贸信息技术有限公司 | A kind of battery charging module |
| CN109193901A (en) * | 2018-10-16 | 2019-01-11 | 广东电网有限责任公司 | A kind of power-supply system of data acquisition equipment |
| CN111123126A (en) * | 2020-02-11 | 2020-05-08 | 中国电信股份有限公司绍兴分公司 | System and method for testing capacity of high-voltage direct-current and commercial power direct-supply online storage battery |
| CN112134346A (en) * | 2020-10-13 | 2020-12-25 | 上海创米科技有限公司 | Power supply system for intelligent door and intelligent door |
| CN113708463A (en) * | 2021-09-28 | 2021-11-26 | 天津津航计算技术研究所 | Multifunctional charging device |
| CN113949148A (en) * | 2021-09-02 | 2022-01-18 | 北京握奇数据股份有限公司 | OBU system capable of being externally powered and charged |
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| CN2315703Y (en) * | 1997-09-10 | 1999-04-21 | 牛振声 | Wind force solar complementary stand-by power supply device |
| CN101242104A (en) * | 2007-02-06 | 2008-08-13 | 鸿富锦精密工业（深圳）有限公司 | Uninterruptible power supply with solar charging |
| CN204361769U (en) * | 2015-02-09 | 2015-05-27 | 郑州创源智能设备有限公司 | A kind of power circuit with solar energy and civil power duplicate supply interface |
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2016
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2315703Y (en) * | 1997-09-10 | 1999-04-21 | 牛振声 | Wind force solar complementary stand-by power supply device |
| CN101242104A (en) * | 2007-02-06 | 2008-08-13 | 鸿富锦精密工业（深圳）有限公司 | Uninterruptible power supply with solar charging |
| CN101242104B (en) * | 2007-02-06 | 2011-05-04 | 鸿富锦精密工业（深圳）有限公司 | Uninterrupted power with solar charging function |
| CN204361769U (en) * | 2015-02-09 | 2015-05-27 | 郑州创源智能设备有限公司 | A kind of power circuit with solar energy and civil power duplicate supply interface |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181307A (en) * | 2017-06-14 | 2017-09-19 | 深圳市全智芯科技有限公司 | Battery multi-source charge protector |
| CN107317379A (en) * | 2017-08-22 | 2017-11-03 | 上海点贸信息技术有限公司 | A kind of battery charging module |
| CN109193901A (en) * | 2018-10-16 | 2019-01-11 | 广东电网有限责任公司 | A kind of power-supply system of data acquisition equipment |
| CN109193901B (en) * | 2018-10-16 | 2024-03-26 | 广东电网有限责任公司 | Power supply system of data acquisition equipment |
| CN111123126A (en) * | 2020-02-11 | 2020-05-08 | 中国电信股份有限公司绍兴分公司 | System and method for testing capacity of high-voltage direct-current and commercial power direct-supply online storage battery |
| CN111123126B (en) * | 2020-02-11 | 2022-05-13 | 中国电信股份有限公司绍兴分公司 | System and method for testing capacity of on-line storage battery directly supplied by high-voltage direct current and commercial power |
| CN112134346A (en) * | 2020-10-13 | 2020-12-25 | 上海创米科技有限公司 | Power supply system for intelligent door and intelligent door |
| CN112134346B (en) * | 2020-10-13 | 2025-08-29 | 上海创米数联智能科技发展股份有限公司 | Power supply system for smart door and smart door |
| CN113949148A (en) * | 2021-09-02 | 2022-01-18 | 北京握奇数据股份有限公司 | OBU system capable of being externally powered and charged |
| CN113708463A (en) * | 2021-09-28 | 2021-11-26 | 天津津航计算技术研究所 | Multifunctional charging device |
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Application publication date: 20170531 |