CN107070400A - A kind of solar power system charge and discharge electricity detecting system based on Internet of Things - Google Patents
A kind of solar power system charge and discharge electricity detecting system based on Internet of Things Download PDFInfo
- Publication number
- CN107070400A CN107070400A CN201710316368.2A CN201710316368A CN107070400A CN 107070400 A CN107070400 A CN 107070400A CN 201710316368 A CN201710316368 A CN 201710316368A CN 107070400 A CN107070400 A CN 107070400A
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- current
- voltage
- discharge
- relay
- battery
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- 230000005611 electricity Effects 0.000 title claims description 34
- 238000012544 monitoring process Methods 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 238000009825 accumulation Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
-
- 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]
- G01R31/3644—Constructional arrangements
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
-
- 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]
- G01R31/371—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with remote indication, e.g. on external chargers
-
- 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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—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—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses accumulator cell charging and discharging detecting system in a kind of solar power system based on Internet of Things, voltage transmitter and current transducer are connected between solar battery array and battery, voltage transmitter is used to DC voltage is changed into current signal and exported, current transducer is used to DC current is converted into current signal and exported, analog and digital signal modular converter one end is connected with voltage transmitter and current transducer respectively, the other end is connected with DTU equipment, analog and digital signal modular converter is converted into data signal reconvert into RS485 signal outputs for current signal, the series circuit that load is connected composition with relay is connected with storage battery, relay is connected with relay control module respectively, relay control module is connected with DTU equipment, DTU equipment is connected by GPRS wireless networks with cloud server.Battery dump energy, discharge voltage are effectively monitored and controlled for realization, it is to avoid infringement of the power shortage to being caused with electric loading occurs in battery overdischarge.
Description
Technical field:
The invention belongs to power monitoring technical field, and in particular to a kind of solar power system charge and discharge based on Internet of Things
Electricity detecting system.
Background technology:
Sun-generated electric power has renewable, aboundresources, without conveying and the advantage such as environmentally safe, therefore most
Typically solar power system is used in the adverse circumstances such as number remote districts and sea, desert.Solar power system includes
Solar battery array, battery, inverter and user load, wherein solar battery array are converted solar energy into after electric energy
Directly feed user load, or by unnecessary power storage into battery, in case when without sunshine using storage electricity
Electricity consumption load supplying can be given.In actual application, to avoid being influenceed to cause solar energy by factors such as weather and intensities of illumination
Influence of the unstable electric energy directly exported to being caused with electric loading, the electric energy typically converted solar energy into is first in battery
Storage, then again by battery to being powered with electric loading.In the prior art not to battery in solar power system
The equipment that dump energy is effectively monitored, it is impossible to the infringement for avoiding overdischarge from causing battery and user load.In addition, existing
Some charging detection devices can detect that voltage (or electric current) is general within 20V (or 20A), and detection range is smaller, solar energy
The charging voltage (or charging current) that solar battery array is produced in electricity generation system can reach several hectovolts (or peace) in addition on
Kilovolt (or peace), it is clear that it is not directly applicable the monitoring of solar battery array charging voltage and charging current.
The content of the invention:
It is an object of the invention to overcome the shortcoming that prior art is present, seek a kind of solar energy based on Internet of Things of design
Accumulator cell charging and discharging detecting system in electricity generation system, solving in solar power system can not be carried out to battery dump energy
Effectively monitoring, causes battery overdischarge electric deficiency phenomenon occur and then the problems such as to being caused damage with electric loading.
To achieve these goals, the solar power system charge and discharge electricity detecting system of the present invention based on Internet of Things
Including solar battery array, battery, load, relay control module, relay, voltage transmitter, current transducer, mould
Plan-digital signal conversion module, DTU equipment, cloud server and remote monitoring terminal, voltage transmitter and current transducer connect
It is connected on the charge and discharge voltage and charge and discharge electric current for being respectively used to determine battery between solar battery array and battery, electricity
Pressure transmitter is used to the DC voltage collected is changed into current signal according to a certain percentage and exported, and current transducer is used for
The DC current of collection is converted into current signal according to a certain percentage and exported, analog to digital signal conversion module one end point
It is not connected with voltage transmitter and current transducer, the analog to digital signal conversion module other end is connected with DTU equipment, simulation-
Digital signal conversion module is used to the current signal collected being converted into data signal reconvert into RS485 signal outputs, if
Dry load is connected the series circuit constituted with corresponding relay and is connected with storage battery, several relays respectively with after
Electrical control module is connected, the load that relay control module is connected by the switch and then control of control relay with relay
Unlatching and closure, relay control module is connected with DTU equipment, and DTU equipment passes through GPRS wireless networks and cloud server
Connection, remote monitoring terminal and cloud server are provided with application program by network connection on remote monitoring terminal, it is described should
Be used for program by the current signal received according to corresponding ratio be converted into the charging voltage of battery, charging current,
Discharge voltage and discharge current, during charging current and discharge current distinguished according to sense of current and then distinguish charging voltage
And discharge voltage, while discharge voltage and critical voltage are contrasted, if discharge voltage is less than the critical voltage of setting, by short
The forms such as letter, sound or image send warning message to user, and user closes fractional load phase by remote monitoring terminal input
The control command of the relay of connection, control command passes sequentially through cloud server and DTU equipment is transported to Control mould
Block, relay control module controls corresponding cut-off.
Further, voltage transmitter of the present invention is used for the 0-1000V DC voltages that will be collected according to certain
Ratio changes into 4-20mA current signal and output, and current transducer is used for the DC current by collection 0-1200A according to one
Certainty ratio is converted into 4-20mA current signals and exported.
Further, DTU equipment of the present invention is that remote information is sent and receiving terminal, is based on GPRS technologies
Wireless transmission terminal, DTU equipment collects after signal signal being wirelessly transported to cloud server, cloud server by GPRS
The signal received is stored and dispatched, while providing data buffer zone, the remote monitoring terminal eventually for long-range monitoring
For computer or mobile phone.In the remote monitoring terminal application program is according to charging voltage, charging current, discharge voltage and puts
The accumulation electricity of electric Current calculation battery, the operation of load is further controlled according to accumulation electricity.
Further, the solar power system charge and discharge electricity detecting system of the present invention based on Internet of Things also includes shell
Body, relay control module, relay, voltage transmitter, electric current pick-up, analog to digital signal conversion module 7 and DTU equipment
It is fixedly installed in the housing, housing is encapsulated using IP66 shells.
The present invention compared with prior art, with advantages below:(1) realize remaining to battery in solar power system
Electricity, discharge voltage are effectively monitored and controlled, it is to avoid power shortage and then the infringement to being caused with electric loading occurs in battery overdischarge;
(2) long-range effective prison to battery dump energy, discharge voltage in solar power system is realized by remote monitoring terminal
Survey and control, without staff's Site Detection operation, while solve under more rugged environment, it is such as hot and humid, many
Dust storm, field, sea are first-class, it is impossible to the problem of field monitoring operation;(3) it is simple to operate, it is easy to use, remind user to have in time
Effect avoids battery power shortage, is particularly suitable for working under -20 DEG C -60 DEG C, hot and humid, low temperature and high relative humidity, windy and dusty harsh and unforgiving environments.
Brief description of the drawings:
Fig. 1 is the solar power system charge and discharge electricity detecting system principle schematic diagram of the invention based on Internet of Things.
Embodiment:
Below by embodiment and the invention will be further described with reference to accompanying drawing.
Embodiment 1:
As shown in figure 1, the solar power system charge and discharge electricity detecting system based on Internet of Things that the present embodiment is related to includes
Solar battery array 1, battery 2, load 4, relay control module 11, relay 3, voltage transmitter 6, current transducer
5th, analog to digital signal conversion module 7, DTU equipment 8, cloud server 9 and remote monitoring terminal 10, voltage transmitter 6 and electricity
Flow transmitter 5 be connected to be respectively used between solar battery array 1 and battery 2 determine battery charge and discharge voltage and
Charge and discharge electric current, voltage transmitter 6 is used to the DC voltage collected changing into current signal according to a certain percentage and defeated
Go out, current transducer 5 is used to the DC current of collection is converted into current signal according to a certain percentage and exported, analog to digital
The one end of signal conversion module 7 is connected with voltage transmitter 6 and current transducer 5 respectively, and analog to digital signal conversion module 7 is another
One end is connected with DTU equipment 8, and analog to digital signal conversion module 7 is used to the current signal collected being converted into data signal
Reconvert is into RS485 signal outputs, and several loads 4 are connected the series circuit and battery 2 of composition with corresponding relay 3
Electrical connection, several relays 3 are connected with relay control module 11 respectively, and relay control module 11 passes through control relay
The unlatching for the load 4 that 3 switch and then control are connected with relay 3 and closure, relay control module 11 and DTU equipment 8 connect
Connect, DTU equipment 8 is connected by GPRS wireless networks with cloud server 9, remote monitoring terminal 10 passes through with cloud server 9
Application program is installed, the application program is used to receive on network connection, remote monitoring terminal 10 (such as mobile phone, computer)
To current signal according to corresponding ratio be converted into the charging voltage of battery, charging current, discharge voltage and electric discharge electricity
Stream, during charging current and discharge current distinguished according to sense of current and then distinguish charging voltage and discharge voltage, simultaneously
Discharge voltage and critical voltage are contrasted, if discharge voltage is less than the critical voltage of setting, pass through short message, sound or image etc.
Form sends warning message to user, and user is inputted by remote monitoring terminal 10 closes the relay 3 that fractional load 4 is connected
Control command, control command passes sequentially through cloud server 9 and DTU equipment 8 is transported to relay control module 11, relay
Control module 11 controls corresponding relay 3 to close.
The voltage transmitter 6 that the present embodiment is related to is used to according to a certain percentage turn the 0-1000V DC voltages collected
4-20mA current signal and output are melted into, current transducer 5 is used for collection 0-1200A DC current according to a certain percentage
It is converted into 4-20mA current signals and exports, the scope choosing of the charge and discharge voltage and current determined as needed in implementation process
Select the specifications and models of current transducer 5 and voltage transmitter 6.
The DTU equipment 8 that the present embodiment is related to is that remote information is sent and receiving terminal, is the wireless biography based on GPRS technologies
Defeated terminal, DTU equipment 8 collects after signal signal being wirelessly transported to cloud server 9 by GPRS, and cloud server 9 will
The signal received is stored and dispatched, while providing data buffer zone for remote monitoring terminal 10, the long-range monitoring is whole
End 10 is computer or mobile phone.Application program 10 in the remote monitoring terminal is according to charging voltage, charging current, electric discharge electricity
The accumulation electricity of pressure and discharge current calculating accumulator, the operation of load 4 is further controlled according to accumulation electricity.
The solar power system charge and discharge electricity detecting system based on Internet of Things that the present embodiment is related to (is not drawn also including housing
Go out), relay control module 11, relay 3, voltage transmitter 6, current transducer 5, the and of analog to digital signal conversion module 7
DTU equipment 8 is fixedly installed in the housing, and housing is encapsulated using IP66 shells, can be many in hot and humid, cold-dampness, windy and dusty etc.
Plant and used in adverse circumstances.
The solar power system charge and discharge electricity detecting system based on Internet of Things that the present embodiment is related to, the course of work is:Electricity
The 0-1000V DC voltages collected are changed into 4-20mA current signal and are output to by pressure transmitter 6 according to a certain percentage
The DC current for gathering 0-1200A is converted into 4- by analog to digital signal conversion module 7, current transducer 5 according to a certain percentage
20mA current signals are also output to analog to digital signal conversion module 7, and analog to digital signal conversion module 7 is by the 0- collected
20mA current signals are converted into data signal reconvert into RS485 signal outputs to DTU equipment 8, and DTU equipment 8 passes through signal
Cloud server 9 is transported to remote monitoring terminal 10, such as mobile phone, electric computer.Remote monitoring terminal 10 is according to the electricity received
Stream sense judges it is charging current or discharge current, and then distinguishes charging voltage and discharge voltage, then according to relative
Current signal is converted into charging voltage, charging current, discharge voltage and the discharge current of battery by the ratio answered.Will electric discharge electricity
Pressure and the critical voltage of setting are contrasted, if discharge voltage is less than critical voltage, by forms such as short message, sound or images to use
Family sends warning message, and user inputs the control life for closing the relay 3 that fractional load is connected by remote monitoring terminal 10
Order, control command passes sequentially through cloud server 9 and DTU equipment 8 is transported to relay control module 11, relay control module
The corresponding relay 3 of 11 controls is closed.Under conditions of the no lights such as overcast and rainy or night can not generate electricity, remote monitoring terminal
10 calculate the dump power of battery, Jin Eran according to the charging voltage of acquisition, charging current, discharge voltage and discharge current
The work of row's load 4.
Claims (4)
1. a kind of solar power system charge and discharge electricity detecting system based on Internet of Things, it is characterised in that including solar cell
Array, battery, load, relay control module, relay, voltage transmitter, current transducer, analog to digital signal turn
Block, DTU equipment, cloud server and remote monitoring terminal are changed the mold, voltage transmitter and current transducer are connected to solar-electricity
It is respectively used to determine the charge and discharge voltage and charge and discharge electric current of battery between pond array and battery, voltage transmitter is used for
The DC voltage collected is changed into current signal according to a certain percentage and exported, current transducer is used for the direct current of collection
Electric current is converted into current signal and exported according to a certain percentage, analog to digital signal conversion module one end respectively with voltage transmission
Device and current transducer connection, the analog to digital signal conversion module other end are connected with DTU equipment, the conversion of analog to digital signal
Module is used to the current signal collected being converted into data signal reconvert into RS485 signal outputs, several loads and phase
The series circuit of corresponding relay connection composition is connected with storage battery, several relays respectively with relay control module
Connection, the unlatching for the load that relay control module is connected by the switch and then control of control relay with relay and is closed
Close, relay control module is connected with DTU equipment, and DTU equipment is connected by GPRS wireless networks with cloud server, long-range prison
Terminal and cloud server are surveyed by network connection, application program is installed on remote monitoring terminal, the application program is used for
By the current signal received according to corresponding ratio be converted into the charging voltage of battery, charging current, discharge voltage and
Discharge current, during charging current and discharge current distinguished according to sense of current and then distinguish charging voltage and electric discharge electricity
Pressure, while discharge voltage and critical voltage are contrasted, if discharge voltage is less than the critical voltage of setting, passes through short message, sound
Or the form such as image gives user to send warning message, user inputted by remote monitoring terminal close that fractional load is connected after
The control command of electrical equipment, control command passes sequentially through cloud server and DTU equipment is transported to relay control module, relay
Control module controls corresponding cut-off.
2. the solar power system charge and discharge electricity detecting system according to claim 1 based on Internet of Things, it is characterised in that
The voltage transmitter is used for the current signal that the 0-1000V DC voltages collected are changed into 4-20mA according to a certain percentage
And export, current transducer is used to the DC current for gathering 0-1200A being converted into 4-20mA current signals according to a certain percentage
And export.
3. the solar power system charge and discharge electricity detecting system according to claim 2 based on Internet of Things, it is characterised in that
DTU equipment is that remote information is sent and receiving terminal, is the wireless transmission terminal based on GPRS technologies, DTU equipment collects letter
Signal is wirelessly transported to cloud server by GPRS after number, the signal received is stored and adjusted by cloud server
Degree, while providing data buffer zone eventually for long-range monitoring, the remote monitoring terminal is computer or mobile phone, the long-range monitoring
Application program in terminal according to the accumulation electricity of charging voltage, charging current, discharge voltage and discharge current calculating accumulator,
The operation of load is further controlled according to accumulation electricity.
4. the solar power system charge and discharge electricity detecting system according to claim 3 based on Internet of Things, it is characterised in that
Solar power system charge and discharge electricity detecting system based on Internet of Things also includes housing, relay control module, relay, voltage
Transmitter, electric current pick-up, analog to digital signal conversion module 7 and DTU equipment are fixedly installed in the housing, and housing uses IP66
Shell is encapsulated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710316368.2A CN107070400A (en) | 2017-05-08 | 2017-05-08 | A kind of solar power system charge and discharge electricity detecting system based on Internet of Things |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710316368.2A CN107070400A (en) | 2017-05-08 | 2017-05-08 | A kind of solar power system charge and discharge electricity detecting system based on Internet of Things |
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Publication Number | Publication Date |
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CN107070400A true CN107070400A (en) | 2017-08-18 |
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ID=59597195
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CN201710316368.2A Pending CN107070400A (en) | 2017-05-08 | 2017-05-08 | A kind of solar power system charge and discharge electricity detecting system based on Internet of Things |
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Citations (7)
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JPH0923588A (en) * | 1995-05-01 | 1997-01-21 | Fuji Electric Co Ltd | Load control of inverter for private power generation |
CN201413353Y (en) * | 2009-04-23 | 2010-02-24 | 青海新能源(集团)有限公司 | Data acquisition tester for miniature photovoltaic system |
CN103166259A (en) * | 2011-12-14 | 2013-06-19 | 周登荣 | Solar fan comprehensive power supply system |
CN203032568U (en) * | 2012-12-06 | 2013-07-03 | 比亚迪股份有限公司 | A lower power consumption control system for a vehicle |
CN105470960A (en) * | 2016-01-08 | 2016-04-06 | 中国电力科学研究院 | SDN-based electric energy router dispatching method |
CN106059040A (en) * | 2016-06-23 | 2016-10-26 | 航天东方红卫星有限公司 | Power supply system for cube satellite and energy hierarchical regulation and control method |
CN106331173A (en) * | 2016-10-24 | 2017-01-11 | 青岛罗博飞海洋技术有限公司 | Portable breeding monitoring device control box |
-
2017
- 2017-05-08 CN CN201710316368.2A patent/CN107070400A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0923588A (en) * | 1995-05-01 | 1997-01-21 | Fuji Electric Co Ltd | Load control of inverter for private power generation |
CN201413353Y (en) * | 2009-04-23 | 2010-02-24 | 青海新能源(集团)有限公司 | Data acquisition tester for miniature photovoltaic system |
CN103166259A (en) * | 2011-12-14 | 2013-06-19 | 周登荣 | Solar fan comprehensive power supply system |
CN203032568U (en) * | 2012-12-06 | 2013-07-03 | 比亚迪股份有限公司 | A lower power consumption control system for a vehicle |
CN105470960A (en) * | 2016-01-08 | 2016-04-06 | 中国电力科学研究院 | SDN-based electric energy router dispatching method |
CN106059040A (en) * | 2016-06-23 | 2016-10-26 | 航天东方红卫星有限公司 | Power supply system for cube satellite and energy hierarchical regulation and control method |
CN106331173A (en) * | 2016-10-24 | 2017-01-11 | 青岛罗博飞海洋技术有限公司 | Portable breeding monitoring device control box |
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Application publication date: 20170818 |