CN102638925A - PV-LED (photovoltaic-light emitting diode) high-efficient control and distribution system - Google Patents

PV-LED (photovoltaic-light emitting diode) high-efficient control and distribution system Download PDF

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Publication number
CN102638925A
CN102638925A CN2012100985682A CN201210098568A CN102638925A CN 102638925 A CN102638925 A CN 102638925A CN 2012100985682 A CN2012100985682 A CN 2012100985682A CN 201210098568 A CN201210098568 A CN 201210098568A CN 102638925 A CN102638925 A CN 102638925A
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China
Prior art keywords
photovoltaic
led
solar
efficient
energy
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CN2012100985682A
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Chinese (zh)
Inventor
周民一
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SHENZHEN JYAL PHOTOVOLTAIC SYSTEM PROJECT CO Ltd
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SHENZHEN JYAL PHOTOVOLTAIC SYSTEM PROJECT CO Ltd
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Priority to CN2012100985682A priority Critical patent/CN102638925A/en
Publication of CN102638925A publication Critical patent/CN102638925A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a photovoltaic power generation control system which mainly aims at overcoming the defects of a solar photovoltaic grid-connected power generation system and a solar photovoltaic off-grid power generation system on the current market and provides a ternary power supply and binary power utilization way during the solar photovoltaic power generation and power utilization process; and the invention further provides a PV-LED (photovoltaic-light emitting diode) high-efficient control and distribution system which is combined with a direct current (DC) magnetic ring lamp and an LED lamp. The PV-LED high-efficient control and distribution system is characterized in that the system can perform regulation according to the variable solar sunshine photovoltaic power generation characteristics, meet the minimum working power utilization of loads during the day and simultaneously store excess electric power in a solar special nano-silicon storage battery. Therefore, resources can be fully and reasonably utilized.

Description

The efficient Control Allocation of PV_LED system
Technical field
The present invention relates to photovoltaic control system, specifically relate to a kind of voltage stabilization and current stabilization, the efficient energy-saving ground efficient Control Allocation of PV_LED system.
Background technology
Only a kind of cleaning, regenerative resource, solar energy resources distributes extensively in China.Because China is the big country of an energy resource consumption and energy skewness, so develops solar photovoltaic generation system and have great importance for the sustainable development of China.
The solar power generation that exists in the market has two kinds of technology, and a kind of is the solar photovoltaic grid-connection inversion electricity generation system technology that country is carrying out energetically.This technology mainly is that the solar photovoltaic electric power with direct current characteristics is exported to the electrical network that exchanges, and carries out accumulation of energy through national grid.The solar photovoltaic grid-connection power station of this inversion converts in the inversion process of interchange at direct current; Lost photovoltaic electric weight greatly; Though thereby this solar energy power generating is technically, all feasible in the application, be infeasible fully economically.The cost of solar energy power generating at present is also very high, is about 3 yuan/degree electricity, so in fact the photovoltaic of this parallel network reverse is used and can not be walked far.And another kind of technology is to adopt off-grid photovoltaic application mode, and this technology mainly is to be applied in road lamp system, isolated island small plant " tame user uses system " etc.Photovoltaic also has two kinds of technology of inversion and direct current from net mode, but because the uncertainty of photovoltaic, thus photovoltaic from the employing of net system be exactly the technology that charges a battery, through the storage battery powering load.When power load was big, solar electric power was not enough, just borrowed to civil power.When load hour, or just waste fully of exhaustless solar electric power.The technology that charges a battery comprises inversion or direct current in the control system; To the technology such as super-charge super-discharge protection of storage battery, finally all still be to load electric energy to be provided by storage battery, any once conversion of energy is all lost produce power; From designing, storage battery is a fixing power match, and photovoltaic is a dynamic energy supply.Therefore energy generation loss is self-evident.Because the present cost of battery component is high, this generating that can not utilize solar energy fully make the photovoltaic cost be far longer than civil power certainly, thereby feasibility is low.Can not apply.
Description
The objective of the invention is to use the defective that exists the efficient Control Allocation of the PV_LED system of a kind of ternary power supply (photovoltaic priority principle) binary electricity consumption of proposition to above photovoltaic.
The present invention is taked the ground technical scheme to be by its purpose of realization: the efficient Control Allocation of PV_LED system comprises crystal silicon solar photovoltaic cell component, special-purpose nano-silicon storage battery, controller, the DC load of solar energy.The present invention adopts the crystal silicon solar photovoltaic cell component to generate electricity.Under the situation of illumination abundance, the crystal silicon solar photovoltaic cell component directly is converted into direct current measurement with luminous energy, supplies the architectural lighting load to use.(like underground garage, needs electricity consumption in 24 hours) can directly use solar energy power generating daytime in the public illumination of building.In the configuration and design of system, photovoltaic is with Changes in weather, and according to the general requirement of DC load, configuration can provide the photovoltaic power consumption of public building illumination on daytime.Be all direct current system, photovoltaic directly drives the dc lighting load; When solar energy is very strong; The energy output of mono-crystalline silicon solar photovoltaic cell component has surpassed the power consumption that makes of load; Unnecessary electric weight just stores in the special-purpose nano-silicon storage battery of solar energy through system's control efficiently, the needs of electric consumption on lighting when evening, solar energy no longer generated electricity with supply.When long-term illumination was not enough, when accumulation of energy did not just reach the power consumption of night lighting load, awarding suitably by civil power, charging replenished.
Said load is to have the LED light fixture of direct current character and DC magnet ring lamp.Be mainly used in the public illumination of building, in application process, the LED of delay and DC magnet ring lamp can be according to own characteristics, and design is lighted the time, according to the electricity consumption needs, under Based Intelligent Control, presents variable condition.
The efficient Control Allocation of said PV_LED system; Solar photovoltaic power plant average efficiency than present parallel network reverse exceeds more than 5 times; Than giving solar energy special-purpose nano-silicon charge in batteries, provide the off-grid type photovoltaic of power supply to use average efficiency by the special-purpose nano-silicon storage battery of solar energy and double above.
Described solar cell generally adopts the crystal silicon solar photovoltaic cell component, also can adopt other solar-energy photo-voltaic cell.The utility ratio of photovoltaic almost is 100%.
Beneficial effect of the present invention: the invention solves problems such as pv grid-connected plant and the existing efficient of off-grid type solar energy power generating are low.It is the revolution that photovoltaic is used, and has broken through the economic bottleneck of photovoltaic application.It has abandoned the application mode of traditional photovoltaic fully; Pass through Based Intelligent Control; Combine the electric consumption on lighting of the photovoltaic of variation and LED variation and directly use, it is carried out complementary ground power-generation energy-storage with the nano-silicon storage battery of employing solar energy special use and electricity consumption replenishes.Long-term overcast and rainy photovoltaic insufficient section is suitably replenished.Can the photovoltaic electric weight all be finished using.Also proved very economically valuable of this product in the practice.This technology is according to the DC characteristic to photovoltaic, and efficient application makes efficient obtain breakthrough raising to a special method of architectural lighting.
Be all semi-conductive LED and be used in combination, substitute traditional lighting system, energy-saving effect is obvious.Power saving rate can reach more than 98%.System's long service life, simple, the dc low-voltage of maintenance; Reliability is high.All adopt automatic control technology, can be used for the zone of underground garage, corridor and the garden illumination or the power supply shortage of public illumination.Can apply.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further specified
Fig. 1 is a structural representation of the present invention
Fig. 2 is a structure principle chart of the present invention
Embodiment
Like Fig. 1, the efficient Control Allocation of the PV_LED shown in 2 system.Under the situation of illumination abundance, crystal silicon solar battery component directly is converted into the dc low-voltage electricity with luminous energy, supplies DC load to use.When unnecessary photovoltaic electric weight that the energy output of photovoltaic is produced when offered load is used is stored in the special-purpose nano-silicon storage battery of solar energy, night is under the situation that no photovoltaic electric power replenishes, and is additional by the nano-silicon storage battery that solar energy is special-purpose; Overcast and rainy, the special-purpose nano-silicon storage battery of solar energy, when the crystal silicon solar photovoltaic cell component can not be supplied electric energy,, be converted into dc low-voltage and replenish by civil power.It is characterized in that this system can regulate according to the sunshine time and the photovoltaic generation characteristics of locality, when satisfying the load normal power supply, unnecessary electric power is stored in the special-purpose nano-silicon storage battery of solar energy.
The present invention gets its conventional value with the solar energy power generating power that changes (design is about 1/3 place of peak value; Directly satisfy (control is lighted) load on daytime electric powers such as load LED and DC magnet ring lamp.Unnecessary solar electric power is stored in the special-purpose nano-silicon storage battery of solar energy, unnecessary electric weight codomain at 1/3 place to the peak region of summit, its mean value approximately and the load on daytime quite and a little less than this value.Resource is used adequately reasonably.
Because the efficient of the power supply of the photovoltaic generation among the present invention improves, and the special-purpose nano-silicon storage battery of solar energy can realize the low pressure transferring electric power, and TRANSEC transmission security is not to the electrical network feed, practical more economically.The Energy Saving Control that throws light on improves the unfailing performance of solar energy power generating, and safety and environmental protection helps applying.

Claims (8)

1.PV_LED efficient Control Allocation system; Be one and use the Based Intelligent Control distribution system that designs for photovoltaic specially; Comprise crystal silicon solar photovoltaic cell component, special-purpose nano-silicon storage battery, controller, the DC load of solar energy; It is characterized in that adopting the crystal silicon solar photovoltaic cell component directly to connect,, make the uncertain of photovoltaic and with the variability of electric loading through control device with efficient controller; Under the adjusting of the accumulation of energy function of passing through the special-purpose nano-silicon storage battery of solar energy, the electric weight of photovoltaic is all finished using.
2. the efficient Control Allocation of PV_LED according to claim 1 system is characterized in that the efficient Control Allocation of described PV_LED system is the Control Allocation mode of the special-purpose nano-silicon storage battery binary electricity consumption of crystal silicon solar photovoltaic cell component, solar energy special-purpose nano-silicon storage battery, the power supply of civil power ternary and DC load, solar energy.
3. the efficient control system of PV_LED according to claim 1; It is characterized in that the PV_LED control system can distribute according to the energy output of solar-energy photo-voltaic cell; Solar energy power generating has variation characteristic, the controlled as required variable condition that is made as of some its load of public illumination place of building.Broken through the electric power system that changes is the difficult point that photovoltaic is used always.
4. the efficient Control Allocation of PV_LED according to claim 1 system is characterized in that employing and civil power and net mode carry out a small amount of civil power and replenish.To guarantee that the average total load of design is lower than maximum slightly.It is the design of efficient and economical and energy saving.
5. the efficient Control Allocation of PV_LED according to claim 1 system is characterized in that the efficient Control Allocation of described PV_LED system is direct and DC driven is adopted in load, is the control device of the voltage stabilization and current stabilization of independent design.
6. the efficient Control Allocation of PV_LED according to claim 1 system is characterized in that described DC load is LED light fixture and the DC magnet ring lamp with direct current character.Be mainly used in the public illumination of building, in application process, the LED of delay and DC magnet ring lamp can be according to own characteristics, and design is lighted the time, according to the electricity consumption needs, under Based Intelligent Control, presents variable condition.
7. the efficient Control Allocation of PV_LED according to claim 1 system; It is characterized in that the efficient Control Allocation of said PV_LED system; Solar photovoltaic power plant average efficiency than present parallel network reverse exceeds more than 5 times; Than giving solar energy special-purpose nano-silicon charge in batteries, provide the off-grid type photovoltaic of power supply to use average efficiency by the special-purpose nano-silicon storage battery of solar energy and double above.
8. the efficient non-inverse control system of PV_LED according to claim 1 is characterized in that the generating of photovoltaic all is used, and its efficient can reach more than 99%.Described solar cell generally adopts the crystal silicon solar photovoltaic cell component, also can adopt other solar-energy photo-voltaic cell.The utility ratio of photovoltaic almost is 100%.
CN2012100985682A 2012-03-27 2012-03-27 PV-LED (photovoltaic-light emitting diode) high-efficient control and distribution system Pending CN102638925A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104964242A (en) * 2014-05-26 2015-10-07 北京一轻研究院 Off-grid complementary green smart illumination system
CN107579535A (en) * 2017-10-31 2018-01-12 清华大学 A kind of isolated island energy resource system and its method of work

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1996739A (en) * 2006-12-21 2007-07-11 合肥启明工贸有限公司 Small multi-purpose solar power generation system
CN200975624Y (en) * 2006-11-18 2007-11-14 周民一 Illuminating system for high efficiency non-inversion housetop solar photovoltaic networking power supply garage
CN201028361Y (en) * 2006-11-18 2008-02-27 周民一 High-efficiency non-contravariant solar photovoltaic power supply road lamp system
CN102246671A (en) * 2011-04-12 2011-11-23 北京诚创星光科技有限公司 Automatic light-supplementing and production-increasing control system for greenhouse plastic tent
CN202696955U (en) * 2012-03-27 2013-01-23 深圳市均益安联光伏系统工程有限责任公司 PV-LED high-efficient control distribution system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200975624Y (en) * 2006-11-18 2007-11-14 周民一 Illuminating system for high efficiency non-inversion housetop solar photovoltaic networking power supply garage
CN201028361Y (en) * 2006-11-18 2008-02-27 周民一 High-efficiency non-contravariant solar photovoltaic power supply road lamp system
CN1996739A (en) * 2006-12-21 2007-07-11 合肥启明工贸有限公司 Small multi-purpose solar power generation system
CN102246671A (en) * 2011-04-12 2011-11-23 北京诚创星光科技有限公司 Automatic light-supplementing and production-increasing control system for greenhouse plastic tent
CN202696955U (en) * 2012-03-27 2013-01-23 深圳市均益安联光伏系统工程有限责任公司 PV-LED high-efficient control distribution system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104964242A (en) * 2014-05-26 2015-10-07 北京一轻研究院 Off-grid complementary green smart illumination system
CN107579535A (en) * 2017-10-31 2018-01-12 清华大学 A kind of isolated island energy resource system and its method of work
CN107579535B (en) * 2017-10-31 2019-04-05 清华大学 A kind of isolated island energy resource system and its working method

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