CN101541119A - Wind-light complementation street lamp control system - Google Patents

Wind-light complementation street lamp control system Download PDF

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Publication number
CN101541119A
CN101541119A CN 200810072841 CN200810072841A CN101541119A CN 101541119 A CN101541119 A CN 101541119A CN 200810072841 CN200810072841 CN 200810072841 CN 200810072841 A CN200810072841 A CN 200810072841A CN 101541119 A CN101541119 A CN 101541119A
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CN
China
Prior art keywords
circuit
wind
control unit
control circuit
current
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Pending
Application number
CN 200810072841
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Chinese (zh)
Inventor
林闽
张艳红
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NEW ENERGY RESEARCH INSTITUTE OF XINJIANG UYGUR AUTONOMOUS REGION
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NEW ENERGY RESEARCH INSTITUTE OF XINJIANG UYGUR AUTONOMOUS REGION
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Priority to CN 200810072841 priority Critical patent/CN101541119A/en
Publication of CN101541119A publication Critical patent/CN101541119A/en
Pending legal-status Critical Current

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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
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Abstract

The invention discloses a wind-light complementation street lamp control system. A main control circuit of the system comprises an MPPT charging control unit, a temperature detection circuit, a discharging protection control circuit, an inversion control circuit and a current-voltage detection circuit, wherein a wind driven generator and a solar cell are connected with the MPPT charging control unit, and the current output end of the MPPT charging control unit is orderly connected with a storage cell, the discharging protection control circuit and the inversion control circuit; the current output end of the inversion control circuit is connected with a load; the current-voltage detection circuit, the load and the inversion control circuit jointly form a current-voltage detection loop; the MPPT charging control unit, the storage cell, the discharging protection control circuit and the temperature detection circuit form a temperature detection loop; and the current output end of the wind driven generator is in parallel connection with at least two unloaders which are in serial connection with MOS switch tubes respectively, and the MOS switch tubes are connected with a control chip of a single chip machine of the MPPT charging control unit respectively and controlled to switch on and switch off by the control chip of a single chip machine of the MPPT charging control unit.

Description

Wind-light complementation street lamp control system
Technical field
The present invention relates to a kind of wind-light complementation street lamp control system, in order to the road lamp system that uses solar energy, wind energy is controlled.
Background technology
The photovoltaic illumination is a kind of emerging renewable energy utilization method, and these several years, Solar Street Lighting System was flourish just at home and abroad.Because the cost of wind-powered electricity generation is far below photoelectricity, in the area that resources supplIes possesses, wind and light complementary road lamp has more economic advantages.The wind and light complementary road lamp system is based on the autonomous power supply system of energy complement, main will have of considering: economy, reliability, fail safe.Mainly by the system matches scheme decision of wind light mutual complementing, the cost control during in process of production with system configuration is the means that improve economy to economy; Reliability is to be determined by the circuit structure of the technical scheme of wind light mutual complementing and critical component (as controller, inverter, light source etc.), principle, production technology etc.; Fail safe comprises product safety, personal safety, security of operation, and it is guaranteed by inside and outside structure, production and installation specification, detection and the maintenance service of system and parts.
Controller in the wind and light complementary road lamp, inverter are because all will be operated in the unattended operation state, and specification requirement is higher.Satisfying under the various function technical conditions prerequisites of national standard, also requiring: control is intelligent, reliabilization, and the life-span is long, and stability is high.Conventional photovoltaic controller can adopt the open-circuit-protection pattern, and in wind and light complementary road lamp, when accumulator super-charge, blower fan can not be opened a way after storage battery is full of, in case open circuit will make the wind wheel high speed rotating, runaway accident takes place.General residents blower fan all adopts mechanical protection patterns such as hand-operated brake and lateral deviation wind wheel, but in wind and light complementary road lamp owing to do not have lacing wire, mechanical protection mode can produce vibration, also can not remove hand-operated brake, so can not adopt.Generally speaking, also there is not a kind of reliable blower fan brake protection mechanism now.
Summary of the invention
The object of the present invention is to provide a kind of wind-light complementation street lamp control system; not only simple in structure, economy, reliable can maximally utilise solar energy and wind energy is generated electricity; and can be effectively to the protection of braking of the blower fan in the system, guarantee that system normally moves.
The object of the present invention is achieved like this: a kind of wind-light complementation street lamp control system, comprise solar cell, wind-driven generator, storage battery and governor circuit, governor circuit comprises that one adopts MPPT charging control unit, temperature sensing circuit, discharge prevention control circuit, inverter control circuit and the current/voltage testing circuit of DC/DC, wherein adopts the MPPT charging control unit of DC/DC to be made of buck circuit or buck-boost circuit; Wind-driven generator and solar cell all link to each other with the MPPT charging control unit that adopts DC/DC, the current output terminal of this charging control unit is connecting storage battery, said discharge prevention control circuit and said inverter control circuit successively, the current output terminal of inverter control circuit is connecting load, and current/voltage testing circuit and load and inverter control circuit constitute current/voltage and detect the loop; Adopt MPPT charging control unit, storage battery and discharge prevention control circuit and the temperature sensing circuit of DC/DC to form the temperature detection loop; The current output terminal of wind-driven generator is being arranged in parallel at least two emptiers, on two emptiers respectively series connection the MOS switching tube is being set, the MOS switching tube links to each other with singlechip control chip in the MPPT charging control unit that adopts DC/DC respectively and by its control switching.
Wind power generation of the present invention and solar power generation can reduce cost greatly like this, and the control that makes are oversimplified through same DC/DC charging controlling unit.Wind-powered electricity generation and photoelectric current remove to seek wind-powered electricity generation and the total maximum power point of photoelectricity through same MPPT charging control unit by this control unit, have economical and simple and easy to do characteristics.In fact, because in the ordinary course of things, wind resource is big sooner or later usually, and noon is little, and solar energy is just in time opposite, they have very strong complementarity, when the morning and evening, what the MPPT charging control unit was mainly followed the tracks of is wind-powered electricity generation, and the tracking of noon MPPT charging control unit mainly is photoelectricity, at night, what the MPPT charging control unit was then followed the tracks of is wind-powered electricity generation entirely.
In use, after storage battery is full of, need in time to the wind-driven generator protection of braking, so that prevent accumulator super-charge and protect whole system.To this, conventional guard method is like this, and the whole wind light complementary system adopts the electronic type protection, and when overcharging, photovoltaic is directly opened a way disconnects (MOS disconnection), stops charging; Wind-driven generator can not be opened a way, and can only take short-circuit protection, and promptly the wind-driven generator output short-circuit, blower fan stops automatically.But when wind-force is bigger, under the situation of blower fan high speed rotating, the blower fan charging current is very big, and quick short circuit of moment has very big impulse current and is added on the MOS switching tube, and system still damages easily, if often like this, wind-driven generator also can shorten the life-span.Also having a kind of method is to be connected to emptier on controller, when overcharging, blower fan is outputted on the emptier, stop charging, consume the blower fan energy by emptier, but this method and imperfection, emptier is a heater element, under situation about often overcharging, produces a large amount of heat, need cooling measure, emptier uses for a long time, and the life-span is limited, in case damage, blower fan will cause runaway accident easily less than brake, can danger close.And system of the present invention has adopted progressively brake protection: promptly the current output terminal at wind-driven generator is being arranged in parallel at least two emptiers; on two emptiers respectively series connection the MOS switching tube is being set, the MOS switching tube links to each other with singlechip control chip in the MPPT charging control unit that adopts DC/DC respectively and by its control switching.When overcharging, a plurality of emptiers slowly strengthen fans load can progressively being added on the blower fan output one by one under the effect of control chip like this, and rotating speed bit by bit slows down, MOS switching tube short circuit brake then, Time Delay Opening.Only behind certain hour, or voltage reopens charging when dropping to recovery point again.Such benefit is: unloading is to add up step by step, and is little to the impact of blower fan and controller, at last when rotating speed and electric current are controlled; still thoroughly check, the emptier operating time is short, and heating is few; each parts are not fragile, equaled duplicate protection, and are safe.
The present invention is simple in structure, and is economical, reliable, can either maximally utilise solar energy and wind energy is generated electricity, again can be effectively to the protection of braking of the blower fan in the system, guarantee that system normally moves, easy to use.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is a general structure block diagram of the present invention;
Fig. 2 is the syndeton block diagram of governor circuit of the present invention;
Fig. 3 adopts the MPPT control principle figure of buck circuit for the present invention;
Fig. 4 is the complementary control circuit schematic diagram of wind of the present invention, light.
Embodiment
A kind of wind-light complementation street lamp control system; as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4; comprise solar cell, wind-driven generator, storage battery and governor circuit, governor circuit comprises that one adopts MPPT charging control unit, temperature sensing circuit, discharge prevention control circuit, inverter control circuit and the current/voltage testing circuit of DC/DC.Wherein adopt the MPPT charging control unit of DC/DC to constitute by buck circuit or buck-boost circuit; Wind-driven generator and solar cell all adopt the MPPT charging control unit of DC/DC to link to each other with said one, the current output terminal of this charging control unit is connecting storage battery, said discharge prevention control circuit and said inverter control circuit successively, the current output terminal of inverter control circuit is connecting load, and current/voltage testing circuit and load and inverter control circuit constitute current/voltage and detect the loop; Adopt MPPT charging control unit, storage battery and discharge prevention control circuit and the temperature sensing circuit of DC/DC to form the temperature detection loop.This system supplies the street lamp loaded work piece simultaneously in order to storage battery is discharged and recharged control.As shown in Figure 4, the current output terminal of wind-driven generator is being arranged in parallel at least two emptiers, connect respectively on two emptiers the MOS switching tube is being set, the MOS switching tube links to each other with singlechip control chip in the MPPT charging control unit that adopts DC/DC respectively, and is controlled the switching of MOS switching tube by this singlechip control chip.Said emptier is a resistive load.
As shown in Figure 4: blower fan is through a three-phase commutation bridge Z, and solar energy is through an anti-reverse diode D1, and both charge a battery simultaneously.When charging normal, MOS switch transistor T 1, T5 are normally closed, and promptly the grid of T1, T5 is a high level; MOS switch transistor T 2, T3, T4 often open, and promptly the grid of T2, T3, T4 is a low level; MOS switch transistor T 6 is tube discharges, is (often the opening) that disconnects at ordinary times, and its grid is a low level, when electricity consumption, gives high level of grid, and switch closure uses, and gives load R power supply.
Constitute the BUCK circuit of a routine by MOS switch transistor T 5, inductance L, sustained diode 3, capacitor C 1, promptly the DC/DC buck circuit is finished the maximal power tracing control of system's charging by this circuit.Its process is such, and by the Hall element current charging current of sampling, current signal is given singlechip control chip after the AD conversion process, at this moment, by current charging current and current battery tension, can obtain a current input power; Single-chip microcomputer output PWM5 signal, change the duty ratio of MOS switch transistor T 5, at this moment, can sample a new charging current value by Hall element, singlechip control chip also can sample a new accumulator voltage, calculate a new input power value, thereby can compare calculating, realize maximal power tracing (MPPT) control.
By MOS switch transistor T 1, T2, T3, T4; Diode D1, D2 and emptier 1, emptier 2 (conventional resistive load) constitute over-charge protective, the circuit overcurrent protection of wind-light complementary system.Progressively the brake course of work of protection of said blower fan is such: when accumulator super-charge, singlechip control chip is given the grid output low level of MOS switch transistor T 1, and T1 disconnects, and solar energy stops charging; Simultaneously, singlechip control chip is given the grid output high level of MOS switch transistor T 2, and the T2 closure is connected emptier 1, blower fan will give emptier 1 power supply simultaneously while charging, because load strengthens, the rotating speed of blower fan will descend to some extent, and t1 is after the time in time-delay, singlechip control chip is given the grid output high level of MOS switch transistor T 3, connect emptier 2, the rotating speed of blower fan will continue to descend, and t2 is after the time in time-delay, single-chip microcomputer is given the grid output high level of MOS switch transistor T 4, T4 closure, blower fan are exported by short circuit, and this moment is because rotation speed of fan is very low, its power output is very little, electric current is also little, can not cause great impact to MOS switch transistor T 4, and blower fan is easy to be braked by short circuit.After blower fan is braked, t3 is after the time for process, singlechip control chip is given the grid output high level of T1, give the grid output low level of T2, T3, T4, blower fan and solar energy begin again to charge a battery, when 〉=t4 is after the time, storage battery reaches again and overcharges, and then repeats above-mentioned progressively brake protected mode; When at≤t4 in the time, storage battery just reaches again and overcharges, and is then essential through the t5 time, just open charging again.
Here be noted that: D2 is anti-reverse protection diode, prevents the storage battery short circuit; C2 is a filter capacitor; R is molten to be insurance, and when load was short-circuited, R fused disconnected, and this moment, singlechip control chip was the open circuit voltage of solar energy or blower fan with detected voltage, directly with the method for progressively braking, blower fan was checked, and solar energy is disconnected, and thoroughly shut down and send alarm signal.T6 is overload, short circuit, crosses the metal-oxide-semiconductor of putting protection usefulness, so generally speaking, R is molten to be difficult for burning.

Claims (2)

1, a kind of wind-light complementation street lamp control system, comprise solar cell, wind-driven generator, storage battery and governor circuit, it is characterized in that: governor circuit comprises that one adopts MPPT charging control unit, temperature sensing circuit, discharge prevention control circuit, inverter control circuit and the current/voltage testing circuit of DC/DC, wherein adopts the MPPT charging control unit of DC/DC to be made of buck circuit or buck-boost circuit; Wind-driven generator and solar cell all link to each other with the MPPT charging control unit that adopts DC/DC, the current output terminal of this charging control unit is connecting storage battery, said discharge prevention control circuit and said inverter control circuit successively, the current output terminal of inverter control circuit is connecting load, and current/voltage testing circuit and load and inverter control circuit constitute current/voltage and detect the loop; Adopt MPPT charging control unit, storage battery and discharge prevention control circuit and the temperature sensing circuit of DC/DC to form the temperature detection loop; The current output terminal of wind-driven generator is being arranged in parallel at least two emptiers, on two emptiers respectively series connection the MOS switching tube is being set, the MOS switching tube links to each other with singlechip control chip in the MPPT charging control unit that adopts DC/DC respectively and by its control switching.
2, wind-light complementation street lamp control system according to claim 1 is characterized in that: said emptier is a resistive load.
CN 200810072841 2008-03-21 2008-03-21 Wind-light complementation street lamp control system Pending CN101541119A (en)

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Application Number Priority Date Filing Date Title
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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101814763A (en) * 2010-04-15 2010-08-25 冬雷 Small conversion device for use in wind power generation
CN101902070A (en) * 2010-07-21 2010-12-01 湖南科力远新能源股份有限公司 System capable of intellectually selecting electric energy supplement mode and system for intellectually selecting power supply mode for power supply of illuminating device
CN101976986A (en) * 2010-11-22 2011-02-16 沈阳工业大学 Independent power supply system based on multi-energy hybrid power generation
CN102242900A (en) * 2010-05-12 2011-11-16 上海超日太阳能科技股份有限公司 Wind-solar green energy lighting system
CN102570510A (en) * 2010-12-07 2012-07-11 西安博昱新能源有限公司 Solar street lamp energy integrated utilization system
CN103292243A (en) * 2013-05-29 2013-09-11 上海跃风新能源科技有限公司 Wind-solar hybrid street lamp
CN104254183A (en) * 2014-09-22 2014-12-31 华南理工大学 MPPT (maximum power point tracking)-based wind-solar complementary streetlight controller and control method thereof
CN104482488A (en) * 2014-12-18 2015-04-01 吕珩 Solar yard lamp with temperature-humidity display and wind power generation functions
CN105135331A (en) * 2015-08-25 2015-12-09 宣炯华 High-power LED street lamp based on electric supply compensation-small scale wind power generation and control method
CN105186665A (en) * 2015-07-31 2015-12-23 许继集团有限公司 Wind-solar complementary lamp control system
CN107071977A (en) * 2017-04-21 2017-08-18 上海电机学院 A kind of wind and light complementary road lamp of wireless charging
CN107676721A (en) * 2016-08-01 2018-02-09 江苏绿扬光伏科技有限公司 A kind of novel wind-solar complementary lighting device
CN108243528A (en) * 2016-12-26 2018-07-03 淮安市金恒泰科技有限公司 A kind of high-brightness LED solar street light lighting system
CN109936193A (en) * 2019-03-27 2019-06-25 合肥为民电源有限公司 A kind of wind-power electricity generation discharging circuit and unloading control method
CN110649689A (en) * 2018-06-26 2020-01-03 中国航天科工飞航技术研究院(中国航天海鹰机电技术研究院) High-capacity super capacitor energy storage system of direct current DVR
CN110649690A (en) * 2018-06-26 2020-01-03 中国航天科工飞航技术研究院(中国航天海鹰机电技术研究院) DC DVR high-capacity super capacitor lithium battery hybrid energy storage system
CN111106789A (en) * 2019-12-31 2020-05-05 天津菱拓智能制造有限公司 Miniature wind-solar hybrid power supply and power supply method thereof

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101814763A (en) * 2010-04-15 2010-08-25 冬雷 Small conversion device for use in wind power generation
CN101814763B (en) * 2010-04-15 2012-07-04 冬雷 Small conversion device for use in wind power generation
CN102242900A (en) * 2010-05-12 2011-11-16 上海超日太阳能科技股份有限公司 Wind-solar green energy lighting system
CN101902070A (en) * 2010-07-21 2010-12-01 湖南科力远新能源股份有限公司 System capable of intellectually selecting electric energy supplement mode and system for intellectually selecting power supply mode for power supply of illuminating device
CN101976986A (en) * 2010-11-22 2011-02-16 沈阳工业大学 Independent power supply system based on multi-energy hybrid power generation
CN102570510A (en) * 2010-12-07 2012-07-11 西安博昱新能源有限公司 Solar street lamp energy integrated utilization system
CN103292243A (en) * 2013-05-29 2013-09-11 上海跃风新能源科技有限公司 Wind-solar hybrid street lamp
CN104254183A (en) * 2014-09-22 2014-12-31 华南理工大学 MPPT (maximum power point tracking)-based wind-solar complementary streetlight controller and control method thereof
CN104482488A (en) * 2014-12-18 2015-04-01 吕珩 Solar yard lamp with temperature-humidity display and wind power generation functions
CN105186665A (en) * 2015-07-31 2015-12-23 许继集团有限公司 Wind-solar complementary lamp control system
CN105135331A (en) * 2015-08-25 2015-12-09 宣炯华 High-power LED street lamp based on electric supply compensation-small scale wind power generation and control method
CN107676721A (en) * 2016-08-01 2018-02-09 江苏绿扬光伏科技有限公司 A kind of novel wind-solar complementary lighting device
CN108243528A (en) * 2016-12-26 2018-07-03 淮安市金恒泰科技有限公司 A kind of high-brightness LED solar street light lighting system
CN107071977A (en) * 2017-04-21 2017-08-18 上海电机学院 A kind of wind and light complementary road lamp of wireless charging
CN110649689A (en) * 2018-06-26 2020-01-03 中国航天科工飞航技术研究院(中国航天海鹰机电技术研究院) High-capacity super capacitor energy storage system of direct current DVR
CN110649690A (en) * 2018-06-26 2020-01-03 中国航天科工飞航技术研究院(中国航天海鹰机电技术研究院) DC DVR high-capacity super capacitor lithium battery hybrid energy storage system
CN110649689B (en) * 2018-06-26 2020-12-25 中国航天科工飞航技术研究院(中国航天海鹰机电技术研究院) High-capacity super capacitor energy storage system of direct current DVR
CN110649690B (en) * 2018-06-26 2020-12-25 中国航天科工飞航技术研究院(中国航天海鹰机电技术研究院) DC DVR high-capacity super capacitor lithium battery hybrid energy storage system
CN109936193A (en) * 2019-03-27 2019-06-25 合肥为民电源有限公司 A kind of wind-power electricity generation discharging circuit and unloading control method
CN111106789A (en) * 2019-12-31 2020-05-05 天津菱拓智能制造有限公司 Miniature wind-solar hybrid power supply and power supply method thereof

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Application publication date: 20090923