CN105611671A - LED street lamp with multi-mode charging circuit - Google Patents
LED street lamp with multi-mode charging circuit Download PDFInfo
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- CN105611671A CN105611671A CN201511002828.1A CN201511002828A CN105611671A CN 105611671 A CN105611671 A CN 105611671A CN 201511002828 A CN201511002828 A CN 201511002828A CN 105611671 A CN105611671 A CN 105611671A
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- wind
- counnter attack
- charging
- output interface
- electric capacity
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/026—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by using wind power, e.g. using wind turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
- F21S9/035—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light the solar unit being integrated within the support for the lighting unit, e.g. within or on a pole
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/04—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a generator
- F21S9/043—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a generator driven by wind power, e.g. by wind turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Energy (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention relates to an LED street lamp with a multi-mode charging circuit. The LED street lamp comprises a Freescale IMX6 processor, a real-time clock chip, a charging sub-system and a lead-acid storage battery, wherein the charging sub-system charges the lead-acid storage battery; the charged lead-acid storage battery provides power supply to the Freescale IMX6 processor, the real-time clock chip and an LED lamp tube; the Freescale IMX6 processor is connected with the real-time clock chip and the charging sub-system respectively; and the charging sub-system is controlled to charge the lead-acid storage battery according to the current system time provided by the real-time clock chip. Through the LED street lamp, different forms of energy caused by the ambient environment can be fully utilized to timely charge the LED street lamp.
Description
The present invention is that application number is 2015106453508, the applying date is October 4 in 2015 day,Bright name is called the divisional application of the patent of " the LED street lamp with multi-mode charging circuit ".
Technical field
The present invention relates to LED lighting field, relate in particular to a kind of LED with multi-mode charging circuitStreet lamp.
Background technology
LED street lamp substitutes general street lamp gradually with the feature of its efficient energy-saving, become the market mainstream itOne. The LED street lamp of prior art, by mains-supplied, is specially, and access mains circuit, passes through voltageLine voltage is converted to the needed DC low-voltage of LED street lamp by converter, thereby be LED street lampRequired electric power is provided. Although this power supply mode LED street lamp itself has been saved mass energy, butNeed to rely on electric energy input, power supply cost is not low.
Current, also there are some technical schemes of LED street lamp being powered by solar energy, thoughSo, this technical scheme to a certain degree the further energy-conservation grade that improves LED street lamp, still,In improving LED road lamp energy-saving ability, sacrifice the reliability of LED street lamp, for example,Under the environment of solar energy deficiency, can there is in some period the situation of electricity shortage in LED street lamp.
For this reason, the present invention proposes a kind of LED street lamp with multi-mode charging circuit, can be by windCan be incorporated in existing solar LED street lamp by power supply circuits, optimize and compatible existing powered by wind energyCircuit and solar power supply circuit, by setting, mechanism is carried out powered by wind energy circuit in real time and solar energy suppliesThe switching of electricity circuit, thus energy-saving effect and the reliability of LED street lamp taken into account.
Summary of the invention
The technical problem existing in order to solve prior art, the invention provides one and has multi-mode and fillThe LED street lamp of electricity circuit, on the one hand, improves existing solar power supply circuit, by powered by wind energy electricityRoad is incorporated in the power supply system of LED street lamp, builds compatible the two LED electric power-feeding structure, anotherAspect, the current system time of utilizing real-time timepiece chip to produce is carried out solar power supply circuit and wind energySwitching between power supply circuits, ensures that LED street lamp can normally shine under various weather environmentsBright.
According to an aspect of the present invention, provide a kind of LED street lamp with multi-mode charging circuit,Described LED street lamp comprise Freescale IMX6 processor, real-time timepiece chip, charging subsystem andLead-acid accumulator, charging subsystem is lead acid battery charge, the lead-acid accumulator after charging is thought for flyingKa Er IMX6 processor, real-time timepiece chip and LED fluorescent tube provide supply of electric power, FreescaleIMX6 processor is connected respectively with real-time timepiece chip and charging subsystem, according to real-time timepiece chipThe charging of the current system time control charging subsystem providing to lead-acid accumulator.
More specifically, in the described LED street lamp with multi-mode charging circuit, also comprise: in real timeClock chip, produces current system time, and at current system time in the default time period on daytimeWhen interior, send and judge signal daytime, in the time that current system time is in default hours of darkness section, send outGo out to judge night signal; Solar energy electroplax, is arranged on lamp bracket, comprise areflexia thin-film covering layer,N-type semiconductor, P-type semiconductor, substrate and solar energy output interface, for covering areflexia filmThe solar energy that cap rock receives is converted into optics electric energy, and solar energy output interface comprises upper electrode and bottomElectrode, for exporting optics electric energy; Hover fan main structure, is arranged on lamp bracket, comprises three leavesSheet, driftage equipment, wheel hub and drive apparatus; Three blades are in the time that wind passes through, due to each bladePositive and negative pressure not wait and produce lift, described lift drives corresponding blade rotary; Driftage equipmentBe connected with three blades, for the reliability of three blade rotaries being provided and untying the mooring rope; Wheel hub and three leavesSheet connects, for fixing three blades, and to be driven and to turn clockwise after vane stress, willWind energy transformation is slow-revving kinetic energy; Drive apparatus comprises slow-speed shaft, gear-box, high speed shaft, supportBearing, shaft coupling and disk brake, gear-box is connected with wheel hub by slow-speed shaft, passes through high speed shaftBe connected with wind-driven generator, for being that wind-driven generator is required by the slow-revving kinetic transformation of wheel hubHigh-revolving kinetic energy, shaft coupling is a flexible shaft, for compensating gearbox output shaft and generator turnsParallel misalignment and the angular error of son, disk brake, is the disk brake of a hydraulic operation,For mechanical brake braking; Wind-driven generator, is connected with the gear-box of hover fan main structure, is oneDouble-fed asynchronous generator, for being wind-force electric energy by the high-revolving kinetic transformation receiving, wind-force is sent outMotor comprises that stator winding, rotor winding, the two-way voltage source converter of IGBT back-to-back and wind-force sends outMotor output interface, the direct-connected wind-driven generator output interface of stator winding, rotor winding is by the two-way back of the bodyBackrest IGBT voltage source converter is connected with wind-driven generator output interface, and wind-driven generator output connectsMouth is three-phase alternating current output interface, for exporting wind-force electric energy; The first counnter attack diode, is connected in parallel on tooBetween the upper electrode and lower electrode of sun energy output interface, its anode is connected with lower electrode, negative terminalBe connected with upper electrode; The first switching tube, is a P ditch enhancement mode metal-oxide-semiconductor, its drain electrode and the sunThe upper electrode of energy output interface connects, and its substrate is connected with source electrode; The second counnter attack diode, it justEnd is connected with the source electrode of the first switching tube; The first electric capacity and the second electric capacity, be all connected in parallel on the second counnter attack twoBetween the negative terminal and lower electrode of utmost point pipe; The 3rd counnter attack diode, is connected in parallel on the second counnter attack diodeBetween negative terminal and lower electrode, its anode is connected with lower electrode, its negative terminal and the second counnter attack diodeNegative terminal connect; Second switch pipe, is a P ditch enhancement mode metal-oxide-semiconductor, its drain electrode and the second counnter attackThe negative terminal of diode connects, and its substrate is connected with source electrode; The 4th counnter attack diode, is connected in parallel on second and opensClose between the source electrode and lower electrode of pipe, its anode is connected with lower electrode, its negative terminal and second switchThe source electrode of pipe connects; The first inductance, its one end is connected with the source electrode of second switch pipe; The 3rd electric capacity andThe 4th electric capacity, is all connected in parallel between the other end and lower electrode of the first inductance; The 5th counnter attack diode,Be connected in parallel between the other end and lower electrode of the first inductance, its anode is connected with lower electrode, and it is negativeEnd is connected with the other end of the first inductance; Rectification circuit, is connected with wind-driven generator output interface, rightThe three-phase alternating voltage of wind-driven generator output interface output carries out rectification to obtain wind-force DC voltage;Filter regulator circuit, is connected that with rectification circuit wind-force DC voltage is carried out to filtering voltage regulation, to exportDirect voltage of voltage regulation; The first resistance and the second resistance, be connected in parallel on the positive and negative of filter regulator circuit after series connectionTwo ends, one end of the first resistance connects the anode of filter regulator circuit, and one end of the second resistance connects filterThe negative terminal of ripple mu balanced circuit; The 5th electric capacity and the 6th electric capacity, be connected in parallel on filter regulator circuit after series connectionPositive and negative two ends, one end of the 5th electric capacity connects the anode of filter regulator circuit, and one end of the 6th electric capacity connectsConnect the negative terminal of filter regulator circuit, the other end of the 5th electric capacity connects the other end of the first resistance, and the 6thThe other end of electric capacity connects the other end of the second resistance; The 7th electric capacity, is connected in parallel on filter regulator circuitPositive and negative two ends; The 3rd resistance, its one end connects the anode of filter regulator circuit; The 5th switching tube, forOne P ditch enhancement mode metal-oxide-semiconductor, its drain electrode is connected with the other end of the 3rd resistance, its substrate and source electrodeBe connected, its source electrode is connected with the negative terminal of filter regulator circuit; Manually discharging circuit, its two ends respectively withThe drain electrode of the 5th switching tube is connected with source electrode; The 6th counnter attack diode, its anode and filter regulator circuitAnode connect, its negative terminal is connected with the drain electrode of the 5th switching tube; The 3rd switching tube is that a P ditch increasesStrong type metal-oxide-semiconductor, its drain electrode is connected with the anode of filter regulator circuit, and its substrate is connected with source electrode;The 7th counnter attack diode, its anode is connected with the source electrode of the 3rd switching tube; The 8th electric capacity and the 9th electric capacity,All be connected in parallel between the 7th negative terminal of counnter attack diode and the negative terminal of filter regulator circuit; The 8th counnter attack twoUtmost point pipe, is connected in parallel between the 7th negative terminal of counnter attack diode and the negative terminal of filter regulator circuit; The 4th opensGuan Guan, is a P ditch enhancement mode metal-oxide-semiconductor, and its drain electrode is connected with the negative terminal of the 7th counnter attack diode,Its substrate is connected with source electrode; The 9th counnter attack diode, the source electrode and the filtering that are connected in parallel on the 4th switching tube are steadyBetween the negative terminal of volt circuit; The second inductance, its one end is connected with the source electrode of the 4th switching tube; The tenth electricityHold and the 11 electric capacity, be all connected in parallel on the other end of the second inductance and the negative terminal of filter regulator circuit itBetween; The tenth counnter attack diode, be connected in parallel on the other end of the second inductance and the negative terminal of filter regulator circuit itBetween; Described lead-acid accumulator, is arranged on lamp bracket, and its negative pole anodal and the 5th counnter attack diode connectsConnect, its negative pole is connected with the positive pole of the 5th counnter attack diode, simultaneously its anodal and the tenth counnter attack diodeNegative pole connect, its negative pole is connected with the positive pole of the tenth counnter attack diode; Relay, is positioned at LED lampBetween pipe and lead-acid accumulator, come by the connection of whether cutting off between LED fluorescent tube and lead-acid accumulatorControl the opening and closing of LED fluorescent tube; Optocoupler, is positioned at relay and Freescale IMX6 processorBetween, under the control at Freescale IMX6 processor, determine the rupturing operation of relay;Freescale IMX6 processor, with the grid of the first switching tube, the grid, the 3rd of second switch pipeThe grid of switching tube is connected respectively with the grid of the 4th switching tube, by the grid at the first switching tube andOn the grid of the 3rd switching tube, apply respectively pwm control signal, determine that the first switching tube and the 3rd opensClose the break-make of pipe, to control respectively solar energy output interface and wind-driven generator output interface holds plumbic acidThe break-make of the charging of battery, also by dividing on the grid of second switch pipe and the grid of the 4th switching tubeDo not apply the adjustable pwm control signal of dutycycle, to control respectively solar energy output interface and wind-forceThe charging voltage of generator output interface to lead-acid accumulator; Wherein, Freescale IMX6 processorAlso be connected with real-time timepiece chip, judge signal night when receiving, disconnect solar energy output interface pairThe charging of lead-acid accumulator, gets through the charging of wind-driven generator output interface to lead-acid accumulator, when connecingReceive and judge signal daytime, get through the charging of solar energy output interface to lead-acid accumulator, disconnect wind-forceThe charging of generator output interface to lead-acid accumulator.
More specifically, in the described LED street lamp with multi-mode charging circuit: Freescale IMX6Processor is ARM11 chip.
More specifically, in the described LED street lamp with multi-mode charging circuit: wind-driven generator is establishedPut on lamp bracket.
More specifically, in the described LED street lamp with multi-mode charging circuit, described LED roadLamp also comprises: memory device, with voltage acquisition equipment connection, for store the default time period on daytime andDefault hours of darkness section.
More specifically, in the described LED street lamp with multi-mode charging circuit: memory device is quietState memory.
Brief description of the drawings
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the LED street lamp with multi-mode charging circuit that illustrates according to an embodiment of the present inventionBlock diagram.
Reference numeral: 1 lead-acid accumulator; 2 Freescale IMX6 processors; 3 real-time clock coresSheet; 4 charging subsystems
Detailed description of the invention
Enforcement to the LED street lamp with multi-mode charging circuit of the present invention below with reference to accompanying drawingsScheme is elaborated.
Because LED street lamp of the prior art needs mains-supplied, electric cost is high, even marketOn there are some LED solar street lights, due to cannot be the solar energy deficiency in the situation that, for example cloudyUnder rainy day gas or dark surrounds, for LED street lamp charges normal, cause LED solar street light to hold concurrentlyTurn round and look at energy conservation characteristic and reliability.
And the solar power supply circuit operating efficiency in LED solar street light of the prior art is notHeight, and not yet there is being applied to the powered by wind energy circuit of LED street lamp, more do not put forward compatibility tooThe power structure of sun energy power supply circuits and powered by wind energy circuit, and neatly at solar power supply circuitAnd the switching device shifter switching between the two power supply circuits of powered by wind energy circuit.
In order to overcome above-mentioned deficiency, the present invention has built one and has had multi-mode charging circuit LED roadLamp, has built a kind of solar power supply circuit after can compatible improvement and the electricity consumption of powered by wind energy circuitStructure, and adopt real-time timepiece chip produce the current system time carry out solar power supply circuit andSelf adaptation between powered by wind energy circuit is switched, with in improving the energy-conservation grade of LED street lamp,Ensure the stability of power supply circuits.
Fig. 1 is the LED street lamp with multi-mode charging circuit that illustrates according to an embodiment of the present inventionBlock diagram, described LED street lamp comprise Freescale IMX6 processor, real-time timepiece chip,Charging subsystem and lead-acid accumulator, charging subsystem is lead acid battery charge, the plumbic acid after chargingBattery provides supply of electric power for Freescale IMX6 processor, real-time timepiece chip and LED fluorescent tube,Freescale IMX6 processor is connected respectively with real-time timepiece chip and charging subsystem, according in real timeThe charging of the current system time control charging subsystem that clock chip provides to lead-acid accumulator.
Then, continue the concrete structure of the LED street lamp with multi-mode charging circuit of the present invention to enterRow further instruction.
Described LED street lamp also comprises: real-time timepiece chip, produces current system time, and working asBefore system time within the default time period on daytime time, send and judge signal daytime, in current systemTime in default hours of darkness section time, sends and judges signal night.
Described LED street lamp also comprises: solar energy electroplax, be arranged on lamp bracket, and comprise areflexia filmCover layer, N-type semiconductor, P-type semiconductor, substrate and solar energy output interface, for will be without insteadThe solar energy of penetrating thin-film covering layer reception is converted into optics electric energy, and solar energy output interface comprises top electricityThe utmost point and lower electrode, for exporting optics electric energy.
Described LED street lamp also comprises: hover fan main structure, be arranged on lamp bracket, and comprise three leavesSheet, driftage equipment, wheel hub and drive apparatus; Three blades are in the time that wind passes through, due to each bladePositive and negative pressure not wait and produce lift, described lift drives corresponding blade rotary; Driftage equipmentBe connected with three blades, for the reliability of three blade rotaries being provided and untying the mooring rope; Wheel hub and three leavesSheet connects, for fixing three blades, and to be driven and to turn clockwise after vane stress, willWind energy transformation is slow-revving kinetic energy; Drive apparatus comprises slow-speed shaft, gear-box, high speed shaft, supportBearing, shaft coupling and disk brake, gear-box is connected with wheel hub by slow-speed shaft, passes through high speed shaftBe connected with wind-driven generator, for being that wind-driven generator is required by the slow-revving kinetic transformation of wheel hubHigh-revolving kinetic energy, shaft coupling is a flexible shaft, for compensating gearbox output shaft and generator turnsParallel misalignment and the angular error of son, disk brake, is the disk brake of a hydraulic operation,For mechanical brake braking.
Described LED street lamp also comprises: wind-driven generator, be connected with the gear-box of hover fan main structure,Be a double-fed asynchronous generator, for being wind-force electric energy by the high-revolving kinetic transformation receiving, windPower generator comprises stator winding, rotor winding, the two-way voltage source converter of IGBT back-to-back and windPower generator output interface, the direct-connected wind-driven generator output interface of stator winding, rotor winding is by twoBe connected with wind-driven generator output interface to IGBT voltage source converter back-to-back, wind-driven generator is defeatedOutgoing interface is three-phase alternating current output interface, for exporting wind-force electric energy.
Described LED street lamp also comprises: the first counnter attack diode, is connected in parallel on the upper of solar energy output interfaceBetween portion's electrode and lower electrode, its anode is connected with lower electrode, and negative terminal is connected with upper electrode;The first switching tube, is a P ditch enhancement mode metal-oxide-semiconductor, the top of its drain electrode and solar energy output interfaceElectrode connects, and its substrate is connected with source electrode; The second counnter attack diode, its anode and the first switching tubeSource electrode connects; The first electric capacity and the second electric capacity, be all connected in parallel on negative terminal and the bottom of the second counnter attack diodeBetween electrode; The 3rd counnter attack diode, be connected in parallel on the negative terminal of the second counnter attack diode and lower electrode itBetween, its anode is connected with lower electrode, and its negative terminal is connected with the negative terminal of the second counnter attack diode; SecondSwitching tube, is a P ditch enhancement mode metal-oxide-semiconductor, and its drain electrode is connected with the negative terminal of the second counnter attack diode,Its substrate is connected with source electrode; The 4th counnter attack diode, is connected in parallel on source electrode and the bottom electricity of second switch pipeBetween the utmost point, its anode is connected with lower electrode, and its negative terminal is connected with the source electrode of second switch pipe; FirstInductance, its one end is connected with the source electrode of second switch pipe; The 3rd electric capacity and the 4th electric capacity, be all connected in parallel onBetween the other end and lower electrode of the first inductance; The 5th counnter attack diode, is connected in parallel on the first inductanceBetween the other end and lower electrode, its anode is connected with lower electrode, its negative terminal and the first inductance anotherOne end connects.
Described LED street lamp also comprises: rectification circuit, is connected with wind-driven generator output interface, to windThe three-phase alternating voltage of power generator output interface output carries out rectification to obtain wind-force DC voltage; FilterRipple mu balanced circuit, is connected that with rectification circuit wind-force DC voltage is carried out to filtering voltage regulation, steady to exportPress DC voltage.
Described LED street lamp also comprises: the first resistance and the second resistance, be connected in parallel on filtering voltage regulation after series connectionPositive and negative two ends of circuit, one end of the first resistance connects the anode of filter regulator circuit, the second resistanceOne end connects the negative terminal of filter regulator circuit; The 5th electric capacity and the 6th electric capacity, be connected in parallel on filtering after series connectionPositive and negative two ends of mu balanced circuit, one end of the 5th electric capacity connects the anode of filter regulator circuit, the 6th electricityThe one end holding connects the negative terminal of filter regulator circuit, and the other end of the 5th electric capacity connects the another of the first resistanceOne end, the other end of the 6th electric capacity connects the other end of the second resistance; The 7th electric capacity, is connected in parallel on filteringPositive and negative two ends of mu balanced circuit; The 3rd resistance, its one end connects the anode of filter regulator circuit; The 5thSwitching tube, is a P ditch enhancement mode metal-oxide-semiconductor, and its drain electrode is connected with the other end of the 3rd resistance, itsSubstrate is connected with source electrode, and its source electrode is connected with the negative terminal of filter regulator circuit.
Described LED street lamp also comprises: manually discharging circuit, its two ends respectively with the leakage of the 5th switching tubeThe utmost point is connected with source electrode; The 6th counnter attack diode, its anode is connected with the anode of filter regulator circuit, itsNegative terminal is connected with the drain electrode of the 5th switching tube; The 3rd switching tube, is a P ditch enhancement mode metal-oxide-semiconductor,Its drain electrode is connected with the anode of filter regulator circuit, and its substrate is connected with source electrode; The 7th counnter attack diode,Its anode is connected with the source electrode of the 3rd switching tube; The 8th electric capacity and the 9th electric capacity, be all connected in parallel on the 7th and preventBetween the negative terminal of anti-diode and the negative terminal of filter regulator circuit; The 8th counnter attack diode, is connected in parallel onBetween seven negative terminals of counnter attack diode and the negative terminal of filter regulator circuit; The 4th switching tube is a P ditchEnhancement mode metal-oxide-semiconductor, its drain electrode is connected with the negative terminal of the 7th counnter attack diode, its substrate and source electrode phaseConnect; The 9th counnter attack diode, be connected in parallel on the 4th source electrode of switching tube and the negative terminal of filter regulator circuit itBetween; The second inductance, its one end is connected with the source electrode of the 4th switching tube; The tenth electric capacity and the 11 electric capacity,All be connected in parallel between the other end of the second inductance and the negative terminal of filter regulator circuit; The tenth counnter attack two utmost pointsPipe, is connected in parallel between the other end of the second inductance and the negative terminal of filter regulator circuit.
Described LED street lamp also comprises: lead-acid accumulator, be arranged on lamp bracket, and its positive pole is anti-with the 5thThe negative pole of anti-diode connects, and its negative pole is connected with the positive pole of the 5th counnter attack diode, simultaneously its positive poleBe connected with the negative pole of the tenth counnter attack diode, its negative pole is connected with the positive pole of the tenth counnter attack diode; ContinueElectrical equipment, between LED fluorescent tube and lead-acid accumulator, by whether cutting off LED fluorescent tube and plumbic acidThe opening and closing of LED fluorescent tube are controlled in connection between battery; Optocoupler, is positioned at relay and fliesBetween Si Kaer IMX6 processor, under the control at Freescale IMX6 processor, determineThe rupturing operation of relay.
Described LED street lamp also comprises: Freescale IMX6 processor, with the grid of the first switching tube,The grid of second switch pipe, the grid of the 3rd switching tube are connected respectively with the grid of the 4th switching tube, logicalCross on the grid of the first switching tube and the grid of the 3rd switching tube and apply respectively pwm control signal,Determine the break-make of the first switching tube and the 3rd switching tube, to control respectively solar energy output interface and wind-forceThe break-make of the charging of generator output interface to lead-acid accumulator, also by the grid at second switch pipeWith on the grid of the 4th switching tube, apply respectively the adjustable pwm control signal of dutycycle, to control respectivelySolar energy output interface processed and the charging voltage of wind-driven generator output interface to lead-acid accumulator.
Wherein, Freescale IMX6 processor is also connected with real-time timepiece chip, when receiving nightJudge signal, disconnect the charging of solar energy output interface to lead-acid accumulator, get through wind-driven generator defeatedThe charging of outgoing interface to lead-acid accumulator, judges signal daytime when receiving, and gets through solar energy output and connectsThe charging of mouth to lead-acid accumulator, disconnects the charging of wind-driven generator output interface to lead-acid accumulator.
Alternatively, in described LED street lamp: Freescale IMX6 processor is ARM11 chip;Wind-driven generator is arranged on lamp bracket; Described LED street lamp also comprises: memory device, and with voltage acquisitionEquipment connection, for storing default time period on daytime and default hours of darkness section; Memory device is staticMemory.
In addition, PWM, i.e. pulse width modulation, is to utilize the numeral of microprocessor to export to simulationThe very effective technology of one that circuit is controlled, is widely used in from measuring, communicating by letter to power controlIn many fields of system and conversion. Pulse width modulation is that the pulse width modulation of a kind of simulation controlling party isUtilize the numeral of microprocessor to export the very effective technology of the one that analog circuit is controlled,Being widely used in pulse width modulation from the many fields of power control and conversion of measuring, communicate by letter isUtilize the numeral of microprocessor to export the very effective technology of the one that analog circuit is controlled,Be widely used in from measuring, communicating by letter to many fields of power control and conversion.
Pulse width modulation is a kind of analog control mode, and crystalline substance is modulated in its variation according to respective loadsThe biasing of body pipe base stage or metal-oxide-semiconductor grid, realizes the change of transistor or metal-oxide-semiconductor ON time,Thereby realize the change of switching power supply output. This mode can make the output voltage of power supply in workCondition keeps constant while variation, is to utilize the data signal of microprocessor to control analog circuitA kind of very effective technology.
PWM control technology is controlled simple with it, flexibly and the good advantage of dynamic response and become electric powerThe control mode of the extensive use of electronic technology. Its variation according to respective loads carrys out modulation transistor baseThe biasing of the utmost point or metal-oxide-semiconductor grid, realizes the change of transistor or metal-oxide-semiconductor ON time, therebyRealize the change of switching power supply output. This mode can make the output voltage of power supply in condition of workWhen variation, keeping constant, is the one of utilizing the data signal of microprocessor to control analog circuitVery effective technology.
Adopt the LED street lamp with multi-mode charging circuit of the present invention, for LED in prior artStreet lamp relies on the technical problem of civil power electric power, introduces powered by wind energy circuit, improves existing solar energy and suppliesElectricity circuit, builds the charging structure of compatible above-mentioned two kinds of power supply circuits, more crucial, adopts in real timeThe current system time that clock provides is as the switching signal of above-mentioned two kinds of power supply circuits, thereby carries comprehensivelyThe charge efficiency of high LED street lamp, the electric cost of reduction LED street lamp.
Be understandable that, although the present invention disclose as above with preferred embodiment, but above-mentioned enforcementExample is not in order to limit the present invention. For any those of ordinary skill in the art, do not departing fromIn technical solution of the present invention scope situation, all can utilize the technology contents of above-mentioned announcement to the technology of the present inventionScheme is made many possible variations and modification, or is revised as the equivalent embodiment of equivalent variations. Therefore,Every content that does not depart from technical solution of the present invention, foundation technical spirit of the present invention is to above embodimentAny simple modification, equivalent variations and the modification done, all still belong to technical solution of the present invention protectionIn scope.
Claims (2)
1. have a LED street lamp for multi-mode charging circuit, described LED street lamp comprises that flying think of blocksThat IMX6 processor, real-time timepiece chip, charging subsystem and lead-acid accumulator, charging subsystemFor lead acid battery charge, the lead-acid accumulator after charging is Freescale IMX6 processor, real-timeClock chip and LED fluorescent tube provide supply of electric power, Freescale IMX6 processor and real-time clock coreSheet is connected respectively with charging subsystem, the current system time control providing according to real-time timepiece chipThe charging of charging subsystem to lead-acid accumulator.
2. the LED street lamp with multi-mode charging circuit as claimed in claim 1, its feature existsIn, described LED street lamp also comprises:
Real-time timepiece chip, produces current system time, and is presetting in vain at current system timeIn it time period time, send and judge signal daytime, at current system time in default hours of darkness sectionWhen interior, send and judge signal night;
Solar energy electroplax, is arranged on lamp bracket, comprise areflexia thin-film covering layer, N-type semiconductor,P-type semiconductor, substrate and solar energy output interface, for receiving areflexia thin-film covering layer tooSun can be converted into optics electric energy, and solar energy output interface comprises upper electrode and lower electrode, for defeatedGo out optics electric energy;
Hover fan main structure, is arranged on lamp bracket, comprise three blades, driftage equipment, wheel hub andDrive apparatus; Three blades wind by time, because the pressure of the positive and negative of each blade does not waitProduce lift, described lift drives corresponding blade rotary; Driftage equipment is connected with three blades, forThe reliability of three blade rotaries is provided and unties the mooring rope; Wheel hub is connected with three blades, for fixing threeBlade, to be driven and to turn clockwise after vane stress, is slow-revving moving by wind energy transformationCan; Drive apparatus comprises slow-speed shaft, gear-box, high speed shaft, spring bearing, shaft coupling and disc type systemMoving device, gear-box is connected with wheel hub by slow-speed shaft, is connected with wind-driven generator by high speed shaft, usesIn being the needed high-revolving kinetic energy of wind-driven generator by the slow-revving kinetic transformation of wheel hub, shaft couplingDevice is a flexible shaft, for compensating parallel misalignment and the angle of gearbox output shaft and generator amatureError, disk brake, is the disk brake of a hydraulic operation, brakes for mechanical brake;
Wind-driven generator, is connected with the gear-box of hover fan main structure, is a double-fed asynchronous generator,For being wind-force electric energy by the high-revolving kinetic transformation receiving, wind-driven generator comprise stator aroundGroup, rotor winding, the two-way voltage source converter of IGBT back-to-back and wind-driven generator output interface,The direct-connected wind-driven generator output interface of stator winding, rotor winding is by the two-way voltage of IGBT back-to-backSource current transformer is connected with wind-driven generator output interface, and wind-driven generator output interface is that three-phase alternating current is defeatedOutgoing interface, for exporting wind-force electric energy;
The first counnter attack diode, be connected in parallel on the upper electrode of solar energy output interface and lower electrode itBetween, its anode is connected with lower electrode, and negative terminal is connected with upper electrode;
The first switching tube, is a P ditch enhancement mode metal-oxide-semiconductor, its drain electrode and solar energy output interfaceUpper electrode connects, and its substrate is connected with source electrode;
The second counnter attack diode, its anode is connected with the source electrode of the first switching tube;
The first electric capacity and the second electric capacity, be all connected in parallel on the negative terminal of the second counnter attack diode and lower electrode itBetween;
The 3rd counnter attack diode, is connected in parallel between the negative terminal and lower electrode of the second counnter attack diode, itsAnode is connected with lower electrode, and its negative terminal is connected with the negative terminal of the second counnter attack diode;
Second switch pipe, is a P ditch enhancement mode metal-oxide-semiconductor, its drain electrode and the second counnter attack diodeNegative terminal connects, and its substrate is connected with source electrode;
The 4th counnter attack diode, is connected in parallel between the source electrode and lower electrode of second switch pipe its anodeBe connected with lower electrode, its negative terminal is connected with the source electrode of second switch pipe;
The first inductance, its one end is connected with the source electrode of second switch pipe;
The 3rd electric capacity and the 4th electric capacity, be all connected in parallel between the other end and lower electrode of the first inductance;
The 5th counnter attack diode, is connected in parallel between the other end and lower electrode of the first inductance its anodeBe connected with lower electrode, its negative terminal is connected with the other end of the first inductance;
Rectification circuit, is connected with wind-driven generator output interface, and wind-driven generator output interface is exportedThree-phase alternating voltage carry out rectification to obtain wind-force DC voltage;
Filter regulator circuit, is connected that with rectification circuit wind-force DC voltage is carried out to filtering voltage regulation, withOutput direct voltage of voltage regulation;
The first resistance and the second resistance, be connected in parallel on positive and negative two ends of filter regulator circuit, first after series connectionOne end of resistance connects the anode of filter regulator circuit, and one end of the second resistance connects filter regulator circuitNegative terminal;
The 5th electric capacity and the 6th electric capacity, be connected in parallel on positive and negative two ends of filter regulator circuit, the 5th after series connectionOne end of electric capacity connects the anode of filter regulator circuit, and one end of the 6th electric capacity connects filter regulator circuitNegative terminal, the other end of the 5th electric capacity connects the other end of the first resistance, the other end of the 6th electric capacity connectsConnect the other end of the second resistance;
The 7th electric capacity, is connected in parallel on positive and negative two ends of filter regulator circuit;
The 3rd resistance, its one end connects the anode of filter regulator circuit;
The 5th switching tube, is a P ditch enhancement mode metal-oxide-semiconductor, the other end of its drain electrode and the 3rd resistanceConnect, its substrate is connected with source electrode, and its source electrode is connected with the negative terminal of filter regulator circuit;
Manually discharging circuit, its two ends are connected with drain electrode and the source electrode of the 5th switching tube respectively;
The 6th counnter attack diode, its anode is connected with the anode of filter regulator circuit, its negative terminal and the 5thThe drain electrode of switching tube connects;
The 3rd switching tube, is a P ditch enhancement mode metal-oxide-semiconductor, and its drain electrode and filter regulator circuit are justEnd connects, and its substrate is connected with source electrode;
The 7th counnter attack diode, its anode is connected with the source electrode of the 3rd switching tube;
The 8th electric capacity and the 9th electric capacity, be all connected in parallel on negative terminal and the filtering voltage regulation electricity of the 7th counnter attack diodeBetween the negative terminal on road;
The 8th counnter attack diode, is connected in parallel on the negative terminal of the 7th counnter attack diode and bearing of filter regulator circuitBetween end;
The 4th switching tube, is a P ditch enhancement mode metal-oxide-semiconductor, its drain electrode and the 7th counnter attack diodeNegative terminal connects, and its substrate is connected with source electrode;
The 9th counnter attack diode, be connected in parallel on the 4th source electrode of switching tube and the negative terminal of filter regulator circuit itBetween;
The second inductance, its one end is connected with the source electrode of the 4th switching tube;
The tenth electric capacity and the 11 electric capacity, be all connected in parallel on the other end and the filter regulator circuit of the second inductanceNegative terminal between;
The tenth counnter attack diode, be connected in parallel on the other end of the second inductance and the negative terminal of filter regulator circuit itBetween;
Described lead-acid accumulator, is arranged on lamp bracket, and its negative pole anodal and the 5th counnter attack diode connectsConnect, its negative pole is connected with the positive pole of the 5th counnter attack diode, simultaneously its anodal and the tenth counnter attack diodeNegative pole connect, its negative pole is connected with the positive pole of the tenth counnter attack diode;
Relay, between LED fluorescent tube and lead-acid accumulator, by whether cutting off LED fluorescent tubeAnd the opening and closing of LED fluorescent tube are controlled in connection between lead-acid accumulator;
Optocoupler, between relay and Freescale IMX6 processor, at FreescaleUnder the control of IMX6 processor, determine the rupturing operation of relay;
Freescale IMX6 processor, with the grid of the grid of the first switching tube, second switch pipe,The grid of the 3rd switching tube is connected respectively with the grid of the 4th switching tube, by the grid at the first switching tubeOn the grid of the utmost point and the 3rd switching tube, apply respectively pwm control signal, determine the first switching tube andThe break-make of three switching tubes, to control respectively solar energy output interface and wind-driven generator output interface to leadThe break-make of the charging of acid accumulator, also passes through at the grid of second switch pipe and the grid of the 4th switching tubeThe upper adjustable pwm control signal of dutycycle that applies respectively, with control respectively solar energy output interface andThe charging voltage of wind-driven generator output interface to lead-acid accumulator;
Wherein, Freescale IMX6 processor is also connected with real-time timepiece chip, when receiving nightJudge signal, disconnect the charging of solar energy output interface to lead-acid accumulator, get through wind-driven generator defeatedThe charging of outgoing interface to lead-acid accumulator, judges signal daytime when receiving, and gets through solar energy output and connectsThe charging of mouth to lead-acid accumulator, disconnects the charging of wind-driven generator output interface to lead-acid accumulator;
Freescale IMX6 processor is ARM11 chip;
Wind-driven generator is arranged on lamp bracket.
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| CN201510645350.8A CN105357793A (en) | 2015-10-04 | 2015-10-04 | Light emitting diode (LED) street lamp having multi-mode charging circuit |
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| CN201511002828.1A Pending CN105611671A (en) | 2015-10-04 | 2015-10-04 | LED street lamp with multi-mode charging circuit |
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| CN101566302A (en) * | 2008-04-23 | 2009-10-28 | 鸿富锦精密工业（深圳）有限公司 | LED illuminating device |
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| CN105101588A (en) * | 2015-10-03 | 2015-11-25 | 李舒曼 | Illumination method of solar LED streetlamp with automatic charging control |
| CN105465722A (en) * | 2015-10-03 | 2016-04-06 | 李舒曼 | Automatic charge controlled solar LED street lamp |
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| CN202074398U (en) * | 2011-03-31 | 2011-12-14 | 深圳市得尔康电子科技有限公司 | Novel solar lamp |
| CN102330942A (en) * | 2011-09-28 | 2012-01-25 | 苏州晶雷光电照明科技有限公司 | Multi-functional energy-saving high-pole steel lamp |
| CN202550593U (en) * | 2012-02-01 | 2012-11-21 | 河南天恩太阳能科技有限公司 | Wind-solar complementary charger |
| CN104048257A (en) * | 2014-06-09 | 2014-09-17 | 黄河科技学院 | Novel LED (Light Emitting Diode) street lamp utilizing various energy sources comprehensively |
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- 2015-10-04 CN CN201511002828.1A patent/CN105611671A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566302A (en) * | 2008-04-23 | 2009-10-28 | 鸿富锦精密工业（深圳）有限公司 | LED illuminating device |
| CN101571256A (en) * | 2008-12-29 | 2009-11-04 | 安徽风日光电科技有限责任公司 | Intelligent street lamp with comprehensive utilization of various energy sources |
| CN105101588A (en) * | 2015-10-03 | 2015-11-25 | 李舒曼 | Illumination method of solar LED streetlamp with automatic charging control |
| CN105465722A (en) * | 2015-10-03 | 2016-04-06 | 李舒曼 | Automatic charge controlled solar LED street lamp |
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Application publication date: 20160525 |