CN102497003A - Mains supply reserve control device for photovoltaic LED illumination and mains supply reserve control method for same - Google Patents

Mains supply reserve control device for photovoltaic LED illumination and mains supply reserve control method for same Download PDF

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Publication number
CN102497003A
CN102497003A CN2011103777352A CN201110377735A CN102497003A CN 102497003 A CN102497003 A CN 102497003A CN 2011103777352 A CN2011103777352 A CN 2011103777352A CN 201110377735 A CN201110377735 A CN 201110377735A CN 102497003 A CN102497003 A CN 102497003A
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output
circuit
voltage
control device
control
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CN2011103777352A
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汪义旺
宋佳
张波
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Suzhou Vocational University
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Suzhou Vocational University
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers

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  • Photovoltaic Devices (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention discloses a mains supply reserve control device for photovoltaic LED illumination, which comprises input ports, a main loop, a control loop and an output port, wherein the input ports are connected with alternating-current 220V power-frequency mains supply, a photovoltaic cell and a storage battery respectively, and the control loop is used for detecting voltage of the storage battery, mains supply input voltage, voltage and current of the photovoltaic cell and load output voltage and current and outputting acousto-optic alarm. The invention further discloses a control method adopting the control device, which includes the steps of utilizing a control unit to detect RTC (real-time clock), the set operating time and all voltage and current parameters; and determining whether the control unit is switched to mains supply reserve complementary power supply or not, whether the storage battery is charged or not, whether alarming is performed or not and the like after control and comparison. By the means, the control device and the control method realize mains supply reserve complementary control of photovoltaic LED illumination and solves the technical problem of incapability of realizing optimal control during operation of a system.

Description

The civil power reserve control device and the control method that are used for photovoltaic LED illumination
Technical field
The present invention relates to electronic information control field, particularly a kind of civil power reserve control device and control method that is used for photovoltaic LED illumination.
Background technology
Solar energy power generating has plurality of advantages as a kind of novel renewable energy of cleanliness without any pollution, use more and more wider, with progressively becoming one of human important foundation energy.Be called as the 4th generation lighting source LED have characteristics such as energy-saving and environmental protection, the life-span is long, volume is little; It is the electric light source of new generation after incandescent lamp, fluorescent lamp; Be widely used in various illumination occasions; The new light sources that is considered to the 21 century most worthy becomes the leading white light LEDs of illumination market with replacing incandescent lamp and fluorescent lamp.The illuminator that solar energy power generating combines with White-light LED illumination to constitute is the environmental protection and energy saving illuminator of an optimum, is an important development direction from now on.But because solar energy power generating receives external environment influence such as illumination bigger; If it is supplied with as single power supply; Will influence the continuation and the reliability of its range of application and work; The stand-by power supply of civil power as solar cell used, can satisfy the reliability and the economy of photovoltaic LED lighting system simultaneously, have excellent development and application prospect.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of civil power reserve control device that is used for photovoltaic LED illumination; Can realize the complementary control of civil power reserve of photovoltaic LED lighting, a kind of control method that adopts above-mentioned control device to realize the optimal control system work process also is provided simultaneously.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of civil power reserve control device that is used for photovoltaic LED illumination is provided; Comprise: input port, major loop, control loop, output port; Said input port is connected with alternating current 220V power frequency civil power, solar-energy photo-voltaic cell, storage battery respectively, and said major loop converts the interchange input of civil power to stable direct current output, sends into said output port; And solar-energy photo-voltaic cell and storage battery carried out management of charging and discharging; Said control loop comprises micro controller unit, I/O ADC testing circuit, and said control loop detects battery tension, mains input voltage, solar-energy photo-voltaic cell electric current and voltage and load output voltage electric current, and the output sound and light alarm.
In preferred embodiment of the present invention; Said major loop comprises AC/DC circuit, commutation circuit, DC/DC change-over circuit, constant-current driven module, management of charging and discharging circuit; The output of the output of the input of said commutation circuit and said AC/DC circuit and said management of charging and discharging circuit joins; Its output and said DC/DC change-over circuit join, and described management of charging and discharging circuit and solar-energy photo-voltaic cell input port, storage battery input port, commutation circuit and drive circuit join.
In preferred embodiment of the present invention, said control loop comprises liquid crystal display and data processing module, LED demonstration and drive circuit, warning treatment circuit, key circuit and drive circuit.
In preferred embodiment of the present invention, said liquid crystal display and data processing module show photovoltaic energy output, load power consumption and recording data information demonstration fault time, and compare detecting voltage/current value and storage battery rated voltage/current value.
In preferred embodiment of the present invention; Said LED shows and drive circuit comprises 8 operating state indication LED, and wherein 1 is photovoltaic cell input indication, and 1 is the complementary work indication of civil power reserve; 1 is the battery state of charge indication; 1 is the overload indication, and 1 is the normal operation indication, and 3 by being connect the indication of output way.
In preferred embodiment of the present invention, said micro controller unit comprises master control chip MSP430F5438, eeprom memory and RTC clock module.
In preferred embodiment of the present invention, said control device has 10 output ports, and every road output port can connect the high-power LED light source that maximum power output is 10W.
For solving the problems of the technologies described above, the present invention also provides a kind of civil power reserve control method that is used for photovoltaic LED illumination, and it comprises following content:
Device is started working, and micro controller unit detects the operating time of real-time time RTC and setting, when conforming to, and the beginning testing;
I/O ADC testing circuit detects battery tension, mains input voltage, solar-energy photo-voltaic cell electric current and voltage and load output voltage electric current;
Liquid crystal display and data processing module calculate each electric current and voltage value that detects, and compare with storage battery rated voltage current value; And calculate the measured temperature values of output, when the working temperature of led light source is higher than 80 degrees centigrade, close output immediately;
Whether decision switches to the complementary power supply of civil power reserve, whether carries out charge in batteries, whether reports to the police, whether opens the operating state indication LED and whether carry out manual work through button and restart micro controller unit according to comparison value.
The invention has the beneficial effects as follows: the present invention has realized can't being optimized in complementary control of the civil power reserve of photovoltaic LED lighting and the system work process technical problem of control.Effective control measure and method have been taked in the output of voltage and photovoltaic cell through real-time detection storage battery, protect and prolonged the useful life of storage battery to greatest extent; Through the input of real-time detection civil power, can guarantee the reliability of the complementary work of civil power reserve timely; Detect the working temperature of dc output power and led light source in real time, and carry out corresponding protection, effectively prolonged the operating time and the light decay that has reduced the LED light source of led light source.The multichannel design is adopted in device output, and output power range is wide, can satisfy the needs of different practical applications, thereby has guaranteed extensive use scene of the present invention.
Description of drawings
Fig. 1 is the system principle structure chart of control device of the present invention;
Fig. 2 is a control method flow chart of the present invention;
The mark of each parts is following in the accompanying drawing: 1, control device, 2, major loop, 3, control loop, 4, input port, 5, output port.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
See also Fig. 1, the embodiment of the invention comprises:
A kind of civil power reserve control device that is used for photovoltaic LED illumination; Comprise: input port 4, major loop 2, control loop 3, output port 5; Said input port 4 is connected with alternating current 220V power frequency civil power, solar-energy photo-voltaic cell, storage battery respectively; Said major loop 2 converts the interchange input of civil power to stable direct current output; Send into said output port 5; And solar-energy photo-voltaic cell and storage battery carried out management of charging and discharging, said control loop 3 comprises micro controller unit, I/O ADC (Analog-to-digital Converter, analog/digital converter) testing circuit, liquid crystal display and data processing module, LED demonstration and drive circuit, warning treatment circuit, drive circuit, key circuit; Said control loop detects battery tension, mains input voltage, solar-energy photo-voltaic cell electric current and voltage and load output voltage electric current, the output sound and light alarm.
Described input ADC testing circuit contains the voltage detecting of civil power input side, the input voltage and input current detection of solar-energy photo-voltaic cell, the voltage/current detection of storage battery.The electric current and voltage that described output ADC testing circuit contains each road output detects.Described warning treatment circuit is connected with buzzer, can send the at interval chimes of doom of 1 second or 2 seconds of low pressure short of electricity.Said key circuit comprises 4 independent buttons.
Said major loop 3 comprises AC/DC circuit, commutation circuit, DC/DC change-over circuit, constant-current driven module, management of charging and discharging circuit; Described AC/DC circuit input end connects mains electricity input end mouth 1; Output termination commutation circuit; Convert the interchange input of civil power to stable direct current output, as the complementary output of civil power reserve.Described management of charging and discharging circuit is connected with drive circuit with solar-energy photo-voltaic cell input port 2, storage battery input port 3, commutation circuit; Charge-discharge circuit charges the input electric energy of solar-energy photo-voltaic cell to storage battery, and to the management of discharging of the electric energy of storage battery.DC/DC change-over circuit input side connects the outlet side of commutation circuit, and outlet side connects constant-current driven module, and the electric energy that commutation circuit is exported converts the required direct voltage of constant-current driven module to.Described constant-current driven module converts the direct current output of DC/DC change-over circuit to multichannel constant direct current output.
Said liquid crystal display and data processing module are the lattice lcd display of a 128*64; Join with micro controller unit; Show photovoltaic energy output, load power consumption and recording data information demonstration fault time; And compare with storage battery rated voltage/current value detecting the voltage/current value, micro controller unit automatically switches to the complementary power supply of civil power reserve according to comparison value, has realized complementary control of civil power reserve of photovoltaic LED lighting.
Said LED shows and drive circuit comprises 8 operating state indication LED, and wherein 1 is photovoltaic cell input indication, and 1 is the complementary work indication of civil power reserve; 1 is the battery state of charge indication; 1 is the overload indication, and 1 is the normal operation indication, and 3 by being connect the indication of output way.Make in the control device each operating state visual, realized the optimal control in the system work process.
Said micro controller unit comprises master control chip MSP430F5438, EEPROM (ElectricallyErasable Programmable Read-Only Memory; EEPROM) memory and RTC (Real-Time Clock, real-time timepiece chip) clock module.
Said control device has 10 output ports, and every road output port can connect the high-power LED light source that maximum power output is 10W, provides multichannel constant direct current output by said constant-current driven module.
Please refer to Fig. 2, adopt the control method of above-mentioned control device to comprise the steps:
In step 1, device is started working.Specifically; Micro controller unit detects the operating time of real-time time RTC and setting; When conforming to, the beginning testing, I/O ADC testing circuit detects battery tension, mains input voltage, solar-energy photo-voltaic cell electric current and voltage and load output voltage electric current;
Then in step 2, the calculating accumulator voltage measuring value, and compare with the load voltage value of storage battery, if measured value is lower than 95% of rated value continuous 3 times, micro controller unit switches to the complementary power supply of civil power reserve.If municipal power failure or do not have input, warning treatment circuit are sent the low pressure short of electricity alarm sound of 1s at interval; If measured value is higher than 120% of rated value continuous 3 times, micro controller unit switches to the complementary power supply of civil power reserve, treats that battery tension drops to 105% o'clock of rated value, recovers storage battery power supply.If municipal power failure or do not have input, warning treatment circuit are sent the low pressure short of electricity alarm sound of 2s at interval, the complementary indicator light of civil power is bright during the complementary power supply of civil power;
In step 3, calculate the input voltage measured value of solar-energy photo-voltaic cell, when input voltage value be higher than the storage battery rated voltage 200% the time; Charge a battery; And the charged state indicator light is bright, stops charging when being lower than storage battery load voltage value 130%, and the charged state indicator light goes out;
In step 4, calculate the product value of output voltage current measurement value, when the real output of measuring is higher than 110% continuous 120 seconds of specified dc output power, close output, after 60 seconds, restart automatically.When direct current output meets or exceeds 150% of specified dc output power, close output immediately, manual work restarts after 30 seconds;
In step 5, calculate the measured temperature values of output at last, when the working temperature of led light source is higher than 80 degrees centigrade, close output immediately.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.

Claims (8)

1. one kind is used for the civil power reserve control device that photovoltaic LED throws light on; It is characterized in that; Comprise: input port, major loop, control loop, output port; Said input port is connected with alternating current 220V power frequency civil power, solar-energy photo-voltaic cell, storage battery respectively, and said major loop converts the interchange input of civil power to stable direct current output, sends into said output port; And solar-energy photo-voltaic cell and storage battery carried out management of charging and discharging; Said control loop comprises micro controller unit, I/O ADC testing circuit, and said control loop detects battery tension, mains input voltage, solar-energy photo-voltaic cell electric current and voltage and load output voltage electric current, and the output sound and light alarm.
2. control device according to claim 1; It is characterized in that; Said major loop comprises AC/DC circuit, commutation circuit, DC/DC change-over circuit, constant-current driven module, management of charging and discharging circuit; The output of the output of the input of said commutation circuit and said AC/DC circuit and said management of charging and discharging circuit joins; Its output and said DC/DC change-over circuit join, and described management of charging and discharging circuit and solar-energy photo-voltaic cell input port, storage battery input port, commutation circuit and drive circuit join.
3. control device according to claim 1 is characterized in that, said control loop comprises liquid crystal display and data processing module, LED demonstration and drive circuit, warning treatment circuit, key circuit and drive circuit.
4. control device according to claim 3; It is characterized in that; Said liquid crystal display and data processing module show photovoltaic energy output, load power consumption and recording data information demonstration fault time, and compare detecting voltage/current value and storage battery rated voltage/current value.
5. control device according to claim 3 is characterized in that, said LED shows and drive circuit comprises 8 operating state indication LED; Wherein 1 is photovoltaic cell input indication; 1 is the complementary work indication of civil power reserve, and 1 is the battery state of charge indication, and 1 is the overload indication; 1 is the normal operation indication, and 3 by being connect the indication of output way.
6. control device according to claim 3 is characterized in that, said micro controller unit comprises master control chip MSP430F5438, eeprom memory and RTC clock module.
7. control device according to claim 1 is characterized in that, said control device has 10 output ports, and every road output port can connect the high-power LED light source that maximum power output is 10W.
8. one kind based on the described civil power reserve control method that is used for photovoltaic LED illumination of claim 1, and it comprises following content:
Device is started working, and micro controller unit detects the operating time of real-time time RTC and setting, when conforming to, and the beginning testing;
I/O ADC testing circuit detects battery tension, mains input voltage, solar-energy photo-voltaic cell electric current and voltage and load output voltage electric current;
Liquid crystal display and data processing module calculate each electric current and voltage value that detects, and compare with storage battery rated voltage current value; And calculate the measured temperature values of output, when the working temperature of led light source is higher than 80 degrees centigrade, close output immediately;
Whether decision switches to the complementary power supply of civil power reserve, whether carries out charge in batteries, whether reports to the police, whether opens the operating state indication LED and whether carry out manual work through button and restart micro controller unit according to comparison value.
CN2011103777352A 2011-11-24 2011-11-24 Mains supply reserve control device for photovoltaic LED illumination and mains supply reserve control method for same Pending CN102497003A (en)

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Publication number Priority date Publication date Assignee Title
CN102917503A (en) * 2012-10-25 2013-02-06 常州矽能电子科技有限公司 LED driver system with energy storage function
CN102966901A (en) * 2012-11-23 2013-03-13 苏州市职业大学 Solar emergency and landscape lamp
CN106223396A (en) * 2016-08-30 2016-12-14 四川蜀旺新能源股份有限公司 A kind of photovoltaic pumping irrigation station realized based on PLC
CN107302817A (en) * 2017-06-29 2017-10-27 中山烨美电子有限公司 A kind of multi-path choice LED illumination driving power supply and its multi-path choice method
CN108767857A (en) * 2018-06-29 2018-11-06 徐州凯思特机电科技有限公司 A kind of mining explosion-proof dual-power automatic change-over
CN112344789A (en) * 2020-11-06 2021-02-09 成都蓉视通科技有限公司 A rehearsal equipment and system for scene of battle

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102917503A (en) * 2012-10-25 2013-02-06 常州矽能电子科技有限公司 LED driver system with energy storage function
CN102966901A (en) * 2012-11-23 2013-03-13 苏州市职业大学 Solar emergency and landscape lamp
CN106223396A (en) * 2016-08-30 2016-12-14 四川蜀旺新能源股份有限公司 A kind of photovoltaic pumping irrigation station realized based on PLC
CN107302817A (en) * 2017-06-29 2017-10-27 中山烨美电子有限公司 A kind of multi-path choice LED illumination driving power supply and its multi-path choice method
CN108767857A (en) * 2018-06-29 2018-11-06 徐州凯思特机电科技有限公司 A kind of mining explosion-proof dual-power automatic change-over
CN112344789A (en) * 2020-11-06 2021-02-09 成都蓉视通科技有限公司 A rehearsal equipment and system for scene of battle
CN112344789B (en) * 2020-11-06 2023-05-02 成都蓉视通科技有限公司 Exercise equipment and system for battle field

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Application publication date: 20120613