CN105357793A - Light emitting diode (LED) street lamp having multi-mode charging circuit - Google Patents
Light emitting diode (LED) street lamp having multi-mode charging circuit Download PDFInfo
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- CN105357793A CN105357793A CN201510645350.8A CN201510645350A CN105357793A CN 105357793 A CN105357793 A CN 105357793A CN 201510645350 A CN201510645350 A CN 201510645350A CN 105357793 A CN105357793 A CN 105357793A
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- 239000002253 acid Substances 0.000 claims abstract description 44
- 239000004065 semiconductor Substances 0.000 claims description 25
- 239000000758 substrate Substances 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 12
- 230000009466 transformation Effects 0.000 claims description 9
- 206010003084 Areflexia Diseases 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
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- 238000005286 illumination Methods 0.000 description 2
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- 238000004134 energy conservation Methods 0.000 description 1
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Classifications
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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)
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- Sustainable Development (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Energy (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention relates to a light emitting diode (LED) street lamp having a multi-mode charging circuit. The LED street lamp comprises a Freescale IMX 6 processor, a real-time clock chip, a rechargeable subsystem and a lead-acid storage battery, wherein the rechargeable subsystem is used for charging the lead-acid storage battery, the lead-acid storage battery after charged provides power supply for the Freescale IMX 6 processor, the real-time clock chip and an LED tube, the Freescale IMX 6 processor is connected with the real-time clock chip and the rechargeable subsystem respectively, and the charging to the lead-acid storage battery by the rechargeable subsystem is controlled according to the current system time provided by the real-time clock chip. By the LED street lamp having the multi-mode charging circuit, the LED street lamp can be timely charged by fully utilizing various types of energy brought from surrounding environments.
Description
Technical field
The present invention relates to field of LED illumination, particularly relate to a kind of LED street lamp with multi-mode charging circuit.
Background technology
LED street lamp substitutes general street lamp gradually with the feature of its efficient energy-saving, becomes one of market mainstream.The LED street lamp of prior art, by mains-supplied, is specially, and access mains circuit, to be converted to the DC low-voltage required for LED street lamp by electric pressure converter by line voltage, thus provides required electric power for LED street lamp.Although this supply power mode LED street lamp itself saves mass energy, but need to rely on electric energy input, power supply cost is not low.
Current, also some technical schemes of LED street lamp being powered by solar energy have been there is, although, this technical scheme is to a certain degree further increasing the Power Saving Class of LED street lamp, but, while raising LED street lamp energy saving capability, sacrifice the reliability of LED street lamp, such as, under the environment of solar energy deficiency, can there is the situation of electricity shortage in some period in LED street lamp.
For this reason, the present invention proposes a kind of LED street lamp with multi-mode charging circuit, powered by wind energy circuit can be incorporated in existing solar LED street lamp, optimize and the existing powered by wind energy circuit of compatibility and solar power supply circuit, carry out the switching of powered by wind energy circuit and solar power supply circuit by setting mechanism in real time, thus take into account energy-saving effect and the reliability of LED street lamp.
Summary of the invention
In order to solve the technical problem that prior art exists, the invention provides a kind of LED street lamp with multi-mode charging circuit, on the one hand, improve existing solar power supply circuit, powered by wind energy circuit is incorporated in the power supply system of LED street lamp, build the LED electric power-feeding structure of both compatibilities, on the other hand, the present system time utilizing real-time timepiece chip to produce carries out the switching between solar power supply circuit and powered by wind energy circuit, ensures that LED street lamp can carry out normal illumination under various weather environment.
According to an aspect of the present invention, provide a kind of LED street lamp with multi-mode charging circuit, described LED street lamp comprises Freescale IMX6 processor, real-time timepiece chip, charging subsystem and lead acid accumulator, charging subsystem is lead acid battery charge, lead acid accumulator after charging is Freescale IMX6 processor, real-time timepiece chip and LED lamp tube provide supply of electric power, Freescale IMX6 processor is connected respectively with real-time timepiece chip and the subsystem that charges, charging subsystem is controlled to the charging of lead acid accumulator according to the current system time that real-time timepiece chip provides.
More specifically, have in the LED street lamp of multi-mode charging circuit described, also comprise: real-time timepiece chip, produce current system time, and when current system time is in default day time period, send and judge signal daytime, when current system time is in default hours of darkness section, sends and judge signal night, solar energy electroplax, be arranged on lamp bracket, comprise areflexia thin-film covering layer, N type semiconductor, P type semiconductor, substrate and solar energy output interface, solar energy for being received by areflexia thin-film covering layer is converted into optics electric energy, solar energy output interface comprises upper electrode and lower electrode, for exporting optics electric energy, hover fan main structure, is arranged on lamp bracket, comprises three blades, driftage equipment, wheel hub and drive apparatus, three blades are when wind passes through, and the pressure due to the positive and negative of each blade does not wait and produces lift, and described lift drives corresponding blade rotary, driftage equipment is connected with three blades, for providing the reliability of three blade rotaries and untying the mooring rope, wheel hub is connected with three blades, and for fixing three blades, turning clockwise to be driven after vane stress, is slow-revving kinetic energy by wind energy transformation, drive apparatus comprises slow-speed shaft, gear box, high speed shaft, spring bearing, shaft coupling and disk brake, gear box is connected with wheel hub by slow-speed shaft, be connected with wind-driven generator by high speed shaft, for the high-revolving kinetic energy being wind-driven generator by the slow-revving kinetic transformation of wheel hub, shaft coupling is a flexible shaft, for compensating parallel misalignment and the angular error of gearbox output shaft and generator amature, disk brake, be the disk brake of a hydraulic operation, brake for mechanical brake, wind-driven generator, be connected with the gear box of hover fan main structure, it is a double-fed asynchronous generator, for being wind-force electric energy by the high-revolving kinetic transformation received, wind-driven generator comprises stator winding, rotor windings, 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 windings is connected with wind-driven generator output interface by the two-way voltage source converter of IGBT back-to-back, wind-driven generator output interface is three-phase alternating current output interface, for exporting wind-force electric energy, first counnter attack diode, between the upper electrode being connected in parallel on solar energy output interface and lower electrode, its anode is connected with lower electrode, and negative terminal is connected with upper electrode, first switching tube, be a P ditch enhancement mode metal-oxide-semiconductor, its drain electrode is connected with the upper electrode of solar energy output interface, and its substrate is connected with source electrode, second counnter attack diode, its anode is connected with the source electrode of the first switching tube, first electric capacity and the second electric capacity, between the negative terminal being all connected in parallel on the second counnter attack diode and lower electrode, 3rd counnter attack diode, between the negative terminal being connected in parallel on the second counnter attack diode and lower electrode, its anode 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, and its drain electrode is connected with the negative terminal of the second counnter attack diode, and its substrate is connected with source electrode, 4th counnter attack diode, between the source electrode being connected in parallel on second switch pipe and lower electrode, its anode is connected with lower electrode, and its negative terminal is connected with the source electrode of second switch pipe, first inductance, its one end is connected with the source electrode of second switch pipe, 3rd electric capacity and the 4th electric capacity, between the other end being all connected in parallel on the first inductance and lower electrode, 5th counnter attack diode, between the other end being connected in parallel on the first inductance and lower electrode, its anode is connected with lower electrode, and its negative terminal is connected with the other end of the first inductance, rectification circuit, is connected with wind-driven generator output interface, carries out rectification to obtain wind-force direct voltage to the three-phase alternating voltage that wind-driven generator output interface exports, filter regulator circuit, is connected to carry out filtering voltage regulation to wind-force direct voltage, to export direct voltage of voltage regulation with rectification circuit, first resistance and the second resistance, be connected in parallel on positive and negative two ends of filter regulator circuit after series connection, one end of the first resistance connects the anode of filter regulator circuit, and one end of the second resistance connects the negative terminal of filter regulator circuit, 5th electric capacity and the 6th electric capacity, positive and negative two ends of filter regulator circuit are connected in parallel on after series connection, one end of 5th electric capacity connects the anode of filter regulator circuit, one end of 6th electric capacity connects 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 other end of the 6th electric capacity connects the other end of the second resistance, 7th electric capacity, is connected in parallel on positive and negative two ends of filter regulator circuit, 3rd resistance, its one end connects the anode of filter regulator circuit, 5th switching tube is a P ditch enhancement mode metal-oxide-semiconductor, and its drain electrode is connected with the other end of the 3rd resistance, and its substrate is connected with source electrode, and its source electrode is connected with the negative terminal of filter regulator circuit, manual discharging circuit, its two ends are connected with the drain electrode of the 5th switching tube and source electrode respectively, 6th counnter attack diode, its anode is connected with the anode of filter regulator circuit, and its negative terminal is connected with the drain electrode of the 5th switching tube, 3rd switching tube, be 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, 7th counnter attack diode, its anode is connected with the source electrode of the 3rd switching tube, 8th electric capacity and the 9th electric capacity, between the negative terminal being all connected in parallel on the 7th counnter attack diode and the negative terminal of filter regulator circuit, 8th counnter attack diode, between the negative terminal being connected in parallel on the 7th counnter attack diode and the negative terminal of filter regulator circuit, 4th switching tube 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, and its substrate is connected with source electrode, 9th counnter attack diode, between the source electrode being connected in parallel on the 4th switching tube and the negative terminal of filter regulator circuit, second inductance, its one end is connected with the source electrode of the 4th switching tube, tenth electric capacity and the 11 electric capacity, between the other end being all connected in parallel on the second inductance and the negative terminal of filter regulator circuit, tenth counnter attack diode, between the other end being connected in parallel on the second inductance and the negative terminal of filter regulator circuit, described lead acid accumulator, be arranged on lamp bracket, its positive pole is connected with the negative pole of the 5th counnter attack diode, and its negative pole is connected with the positive pole of the 5th counnter attack diode, its positive pole is connected with the negative pole of the tenth counnter attack diode simultaneously, and its negative pole is connected with the positive pole of the tenth counnter attack diode, relay, between LED lamp tube and lead acid accumulator, whether by, the connection cut off between LED lamp tube and lead acid accumulator controls the opening and closing of LED lamp tube, optocoupler, between relay and Freescale IMX6 processor, under the control of Freescale IMX6 processor, determines the rupturing operation of relay, Freescale IMX6 processor, with the grid of the first switching tube, the grid of second switch pipe, the grid of the 3rd switching tube is connected respectively with the grid of the 4th switching tube, by applying pwm control signal respectively on the grid of the first switching tube and the grid of the 3rd switching tube, determine the break-make of the first switching tube and the 3rd switching tube, to control solar energy output interface and wind-driven generator output interface respectively to the break-make of the charging of lead acid accumulator, also by applying the adjustable pwm control signal of duty ratio respectively on the grid of second switch pipe and the grid of the 4th switching tube, to control solar energy output interface and wind-driven generator output interface respectively to the charging voltage of lead acid accumulator, wherein, Freescale IMX6 processor is also connected with real-time timepiece chip, signal is judged when receiving night, disconnect solar energy output interface to the charging of lead acid accumulator, get through the charging of wind-driven generator output interface to lead acid accumulator, judging signal when receiving daytime, getting through the charging of solar energy output interface to lead acid accumulator, disconnect wind-driven generator output interface to the charging of lead acid accumulator.
More specifically, have in the LED street lamp of multi-mode charging circuit described: Freescale IMX6 processor is ARM11 chip.
More specifically, have in the LED street lamp of multi-mode charging circuit described: wind-driven generator is arranged on lamp bracket.
More specifically, have in the LED street lamp of multi-mode charging circuit described, described LED street lamp also comprises: memory device, with voltage acquisition equipment connection, for storing default day time period and default hours of darkness section.
More specifically, have in the LED street lamp of multi-mode charging circuit described: memory device is static memory.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram with the LED street lamp of multi-mode charging circuit illustrated according to an embodiment of the present invention.
Reference numeral: 1 lead acid accumulator; 2 Freescale IMX6 processors; 3 real-time timepiece chips; 4 charging subsystems
Embodiment
Below with reference to accompanying drawings the embodiment with the LED street lamp of multi-mode charging circuit of the present invention is described in detail.
Because LED street lamp of the prior art needs mains-supplied, electric cost is high, even if market there are some LED solar street lights, due to cannot when solar energy deficiency, such as, for LED street lamp charges normal under rainy weather or dark surrounds, cause LED solar street light cannot take into account energy conservation characteristic and reliability.
And, solar power supply circuit operating efficiency in LED solar street light of the prior art is not high, and not yet there is the powered by wind energy circuit that can be applied to LED street lamp, more do not carry the power structure of compatible solar power supply circuit and powered by wind energy circuit, and between both solar power supply circuit and powered by wind energy circuit power supply circuits, carry out the switching device shifter that switches neatly.
In order to overcome above-mentioned deficiency, the present invention has built a kind of LED street lamp with multi-mode charging circuit, build a kind of can the power structure of solar power supply circuit after compatible improvement and powered by wind energy circuit, and the self adaptation that the present system time adopting real-time timepiece chip to produce carries out between solar power supply circuit and powered by wind energy circuit switches, with while the Power Saving Class improving LED street lamp, ensure the stability of power supply circuits.
Fig. 1 is the block diagram with the LED street lamp of multi-mode charging circuit illustrated according to an embodiment of the present invention, described LED street lamp comprises Freescale IMX6 processor, real-time timepiece chip, charging subsystem and lead acid accumulator, charging subsystem is lead acid battery charge, lead acid accumulator after charging is Freescale IMX6 processor, real-time timepiece chip and LED lamp tube provide supply of electric power, Freescale IMX6 processor is connected respectively with real-time timepiece chip and the subsystem that charges, charging subsystem is controlled to the charging of lead acid accumulator according to the current system time that real-time timepiece chip provides.
Then, continue to be further detailed the concrete structure with the LED street lamp of multi-mode charging circuit of the present invention.
Described LED street lamp also comprises: real-time timepiece chip, produce current system time, and when current system time is in default day time period, sends and judge signal daytime, when current system time is in default hours of darkness section, sends and judge signal night.
Described LED street lamp also comprises: solar energy electroplax, be arranged on lamp bracket, comprise areflexia thin-film covering layer, N type semiconductor, P type semiconductor, substrate and solar energy output interface, solar energy for being received by areflexia thin-film covering layer is converted into optics electric energy, solar energy output interface comprises upper electrode and lower electrode, for exporting optics electric energy.
Described LED street lamp also comprises: hover fan main structure, is arranged on lamp bracket, comprises three blades, driftage equipment, wheel hub and drive apparatus; Three blades are when wind passes through, and the pressure due to the positive and negative of each blade does not wait and produces lift, and described lift drives corresponding blade rotary; Driftage equipment is connected with three blades, for providing the reliability of three blade rotaries and untying the mooring rope; Wheel hub is connected with three blades, and for fixing three blades, turning clockwise to be driven after vane stress, is slow-revving kinetic energy by wind energy transformation; Drive apparatus comprises slow-speed shaft, gear box, high speed shaft, spring bearing, shaft coupling and disk brake, gear box is connected with wheel hub by slow-speed shaft, be connected with wind-driven generator by high speed shaft, for the high-revolving kinetic energy being wind-driven generator by the slow-revving kinetic transformation of wheel hub, shaft coupling is a flexible shaft, for compensating parallel misalignment and the angular error of gearbox output shaft and generator amature, disk brake, be the disk brake of a hydraulic operation, brake for mechanical brake.
Described LED street lamp also comprises: wind-driven generator, be connected with the gear box of hover fan main structure, it is a double-fed asynchronous generator, for being wind-force electric energy by the high-revolving kinetic transformation received, wind-driven generator comprises stator winding, rotor windings, 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 windings is connected with wind-driven generator output interface by the two-way voltage source converter of IGBT back-to-back, wind-driven generator output 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, and between the upper electrode being connected in parallel on solar energy output interface and lower electrode, its anode is connected with lower electrode, and negative terminal is connected with upper electrode; First switching tube, be a P ditch enhancement mode metal-oxide-semiconductor, its drain electrode is connected with the upper electrode of solar energy output interface, and its substrate is connected with source electrode; Second counnter attack diode, its anode is connected with the source electrode of the first switching tube; First electric capacity and the second electric capacity, between the negative terminal being all connected in parallel on the second counnter attack diode and lower electrode; 3rd counnter attack diode, between the negative terminal being connected in parallel on the second counnter attack diode and lower electrode, its anode 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, and its drain electrode is connected with the negative terminal of the second counnter attack diode, and its substrate is connected with source electrode; 4th counnter attack diode, between the source electrode being connected in parallel on second switch pipe and lower electrode, its anode is connected with lower electrode, and its negative terminal is connected with the source electrode of second switch pipe; First inductance, its one end is connected with the source electrode of second switch pipe; 3rd electric capacity and the 4th electric capacity, between the other end being all connected in parallel on the first inductance and lower electrode; 5th counnter attack diode, between the other end being connected in parallel on the first inductance and lower electrode, its anode is connected with lower electrode, and its negative terminal is connected with the other end of the first inductance.
Described LED street lamp also comprises: rectification circuit, is connected with wind-driven generator output interface, carries out rectification to obtain wind-force direct voltage to the three-phase alternating voltage that wind-driven generator output interface exports; Filter regulator circuit, is connected to carry out filtering voltage regulation to wind-force direct voltage, to export direct voltage of voltage regulation with rectification circuit.
Described LED street lamp also comprises: the first resistance and the second resistance, is connected in parallel on positive and negative two ends of filter regulator circuit after series connection, and one end of the first resistance connects the anode of filter regulator circuit, and one end of the second resistance connects the negative terminal of filter regulator circuit; 5th electric capacity and the 6th electric capacity, positive and negative two ends of filter regulator circuit are connected in parallel on after series connection, one end of 5th electric capacity connects the anode of filter regulator circuit, one end of 6th electric capacity connects 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 other end of the 6th electric capacity connects the other end of the second resistance; 7th electric capacity, is connected in parallel on positive and negative two ends of filter regulator circuit; 3rd resistance, its one end connects the anode of filter regulator circuit; 5th switching tube is a P ditch enhancement mode metal-oxide-semiconductor, and its drain electrode is connected with the other end of the 3rd resistance, and its substrate 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: manual discharging circuit, and its two ends are connected with the drain electrode of the 5th switching tube and source electrode respectively; 6th counnter attack diode, its anode is connected with the anode of filter regulator circuit, and its negative terminal is connected with the drain electrode of the 5th switching tube; 3rd switching tube, be 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; 7th counnter attack diode, its anode is connected with the source electrode of the 3rd switching tube; 8th electric capacity and the 9th electric capacity, between the negative terminal being all connected in parallel on the 7th counnter attack diode and the negative terminal of filter regulator circuit; 8th counnter attack diode, between the negative terminal being connected in parallel on the 7th counnter attack diode and the negative terminal of filter regulator circuit; 4th switching tube 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, and its substrate is connected with source electrode; 9th counnter attack diode, between the source electrode being connected in parallel on the 4th switching tube and the negative terminal of filter regulator circuit; Second inductance, its one end is connected with the source electrode of the 4th switching tube; Tenth electric capacity and the 11 electric capacity, between the other end being all connected in parallel on the second inductance and the negative terminal of filter regulator circuit; Tenth counnter attack diode, between the other end being connected in parallel on 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, its positive pole is connected with the negative pole of the 5th counnter attack diode, its negative pole is connected with the positive pole of the 5th counnter attack diode, its positive pole is connected with the negative pole of the tenth counnter attack diode simultaneously, and its negative pole is connected with the positive pole of the tenth counnter attack diode; Relay, between LED lamp tube and lead acid accumulator, whether by, the connection cut off between LED lamp tube and lead acid accumulator controls the opening and closing of LED lamp tube; Optocoupler, between relay and Freescale IMX6 processor, under the control of Freescale IMX6 processor, determines the 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 is connected respectively with the grid of the 4th switching tube, by applying pwm control signal respectively on the grid of the first switching tube and the grid of the 3rd switching tube, determine the break-make of the first switching tube and the 3rd switching tube, to control solar energy output interface and wind-driven generator output interface respectively to the break-make of the charging of lead acid accumulator, also by applying the adjustable pwm control signal of duty ratio respectively on the grid of second switch pipe and the grid of the 4th switching tube, to control solar energy output interface and wind-driven generator output interface respectively to the charging voltage of lead acid accumulator.
Wherein, Freescale IMX6 processor is also connected with real-time timepiece chip, signal is judged when receiving night, disconnect solar energy output interface to the charging of lead acid accumulator, get through the charging of wind-driven generator output interface to lead acid accumulator, judging signal when receiving daytime, getting through the charging of solar energy output interface to lead acid accumulator, disconnect wind-driven generator output interface to the charging of 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, with voltage acquisition equipment connection, for storing default day time period and default hours of darkness section; Memory device is static memory.
In addition, PWM, i.e. pulse width modulation utilize the numeral of microprocessor to export the very effective technology of one controlled analog circuit, is widely used in and controls with many fields of conversion from measurement, the power that communicates.Pulse width modulation is a kind of analogue enlargement square pulse width modulated is utilize the numeral of microprocessor to export the very effective technology of one controlled analog circuit, be widely used in and control to be utilize the numeral of microprocessor to export the very effective technology of one controlled analog circuit, to be widely used in from measurement, the power that communicates control with many fields of conversion with pulse width modulation many fields of conversion from measurement, the power that communicates.
Pulse width modulation is a kind of analog control mode, and it carrys out the biased of modulation transistor base stage or metal-oxide-semiconductor grid according to the change of respective loads, realizes the change of transistor or metal-oxide-semiconductor ON time, thus realizes the change that switching power supply exports.This mode can make the output voltage of power supply keep constant when operation conditions change, is the very effective technology of one utilizing the digital signal of microprocessor to control analog circuit.
PWM control technology controls simple with it, flexibly and the control mode of the good advantage of dynamic response and the most extensive use of the power electronic technology that becomes.It carrys out the biased of modulation transistor base stage or metal-oxide-semiconductor grid according to the change of respective loads, realizes the change of transistor or metal-oxide-semiconductor ON time, thus realizes the change that switching power supply exports.This mode can make the output voltage of power supply keep constant when operation conditions change, is the very effective technology of one utilizing the digital signal of microprocessor to control analog circuit.
Adopt the LED street lamp with multi-mode charging circuit of the present invention, the technical problem of civil power electric power is relied on for LED street lamp in prior art, introduce powered by wind energy circuit, improve existing solar power supply circuit, build the charging structure of compatible above-mentioned two kinds of power supply circuits, more crucially, the present system time adopting real-time clock to provide is as the switching signal of above-mentioned two kinds of power supply circuits, thus improve the charge efficiency of LED street lamp comprehensively, reduce the electric cost of LED street lamp.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (6)
1. one kind has the LED street lamp of multi-mode charging circuit, described LED street lamp comprises Freescale IMX6 processor, real-time timepiece chip, charging subsystem and lead acid accumulator, charging subsystem is lead acid battery charge, lead acid accumulator after charging provides supply of electric power for Freescale IMX6 processor, real-time timepiece chip and LED lamp tube, Freescale IMX6 processor is connected respectively with real-time timepiece chip and the subsystem that charges, and controls charging subsystem to the charging of lead acid accumulator according to the current system time that real-time timepiece chip provides.
2. have the LED street lamp of multi-mode charging circuit as claimed in claim 1, it is characterized in that, described LED street lamp also comprises:
Real-time timepiece chip, produces current system time, and when current system time is in default day time period, sends and judge signal daytime, when current system time is in default hours of darkness section, sends and judges signal night;
Solar energy electroplax, be arranged on lamp bracket, comprise areflexia thin-film covering layer, N type semiconductor, P type semiconductor, substrate and solar energy output interface, solar energy for being received by areflexia thin-film covering layer is converted into optics electric energy, solar energy output interface comprises upper electrode and lower electrode, for exporting optics electric energy;
Hover fan main structure, is arranged on lamp bracket, comprises three blades, driftage equipment, wheel hub and drive apparatus; Three blades are when wind passes through, and the pressure due to the positive and negative of each blade does not wait and produces lift, and described lift drives corresponding blade rotary; Driftage equipment is connected with three blades, for providing the reliability of three blade rotaries and untying the mooring rope; Wheel hub is connected with three blades, and for fixing three blades, turning clockwise to be driven after vane stress, is slow-revving kinetic energy by wind energy transformation; Drive apparatus comprises slow-speed shaft, gear box, high speed shaft, spring bearing, shaft coupling and disk brake, gear box is connected with wheel hub by slow-speed shaft, be connected with wind-driven generator by high speed shaft, for the high-revolving kinetic energy being wind-driven generator by the slow-revving kinetic transformation of wheel hub, shaft coupling is a flexible shaft, for compensating parallel misalignment and the angular error of gearbox output shaft and generator amature, disk brake, be the disk brake of a hydraulic operation, brake for mechanical brake;
Wind-driven generator, be connected with the gear box of hover fan main structure, it is a double-fed asynchronous generator, for being wind-force electric energy by the high-revolving kinetic transformation received, wind-driven generator comprises stator winding, rotor windings, 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 windings is connected with wind-driven generator output interface by the two-way voltage source converter of IGBT back-to-back, wind-driven generator output interface is three-phase alternating current output interface, for exporting wind-force electric energy;
First counnter attack diode, between the upper electrode being connected in parallel on solar energy output interface and lower electrode, its anode is connected with lower electrode, and negative terminal is connected with upper electrode;
First switching tube, be a P ditch enhancement mode metal-oxide-semiconductor, its drain electrode is connected with the upper electrode of solar energy output interface, and its substrate is connected with source electrode;
Second counnter attack diode, its anode is connected with the source electrode of the first switching tube;
First electric capacity and the second electric capacity, between the negative terminal being all connected in parallel on the second counnter attack diode and lower electrode;
3rd counnter attack diode, between the negative terminal being connected in parallel on the second counnter attack diode and lower electrode, its anode 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, and its drain electrode is connected with the negative terminal of the second counnter attack diode, and its substrate is connected with source electrode;
4th counnter attack diode, between the source electrode being connected in parallel on second switch pipe and lower electrode, its anode is connected with lower electrode, and its negative terminal is connected with the source electrode of second switch pipe;
First inductance, its one end is connected with the source electrode of second switch pipe;
3rd electric capacity and the 4th electric capacity, between the other end being all connected in parallel on the first inductance and lower electrode;
5th counnter attack diode, between the other end being connected in parallel on the first inductance and lower electrode, its anode is connected with lower electrode, and its negative terminal is connected with the other end of the first inductance;
Rectification circuit, is connected with wind-driven generator output interface, carries out rectification to obtain wind-force direct voltage to the three-phase alternating voltage that wind-driven generator output interface exports;
Filter regulator circuit, is connected to carry out filtering voltage regulation to wind-force direct voltage, to export direct voltage of voltage regulation with rectification circuit;
First resistance and the second resistance, be connected in parallel on positive and negative two ends of filter regulator circuit after series connection, one end of the first resistance connects the anode of filter regulator circuit, and one end of the second resistance connects the negative terminal of filter regulator circuit;
5th electric capacity and the 6th electric capacity, positive and negative two ends of filter regulator circuit are connected in parallel on after series connection, one end of 5th electric capacity connects the anode of filter regulator circuit, one end of 6th electric capacity connects 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 other end of the 6th electric capacity connects the other end of the second resistance;
7th electric capacity, is connected in parallel on positive and negative two ends of filter regulator circuit;
3rd resistance, its one end connects the anode of filter regulator circuit;
5th switching tube is a P ditch enhancement mode metal-oxide-semiconductor, and its drain electrode is connected with the other end of the 3rd resistance, and its substrate is connected with source electrode, and its source electrode is connected with the negative terminal of filter regulator circuit;
Manual discharging circuit, its two ends are connected with the drain electrode of the 5th switching tube and source electrode respectively;
6th counnter attack diode, its anode is connected with the anode of filter regulator circuit, and its negative terminal is connected with the drain electrode of the 5th switching tube;
3rd switching tube, be 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;
7th counnter attack diode, its anode is connected with the source electrode of the 3rd switching tube;
8th electric capacity and the 9th electric capacity, between the negative terminal being all connected in parallel on the 7th counnter attack diode and the negative terminal of filter regulator circuit;
8th counnter attack diode, between the negative terminal being connected in parallel on the 7th counnter attack diode and the negative terminal of filter regulator circuit;
4th switching tube 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, and its substrate is connected with source electrode;
9th counnter attack diode, between the source electrode being connected in parallel on the 4th switching tube and the negative terminal of filter regulator circuit;
Second inductance, its one end is connected with the source electrode of the 4th switching tube;
Tenth electric capacity and the 11 electric capacity, between the other end being all connected in parallel on the second inductance and the negative terminal of filter regulator circuit;
Tenth counnter attack diode, between the other end being connected in parallel on the second inductance and the negative terminal of filter regulator circuit;
Described lead acid accumulator, be arranged on lamp bracket, its positive pole is connected with the negative pole of the 5th counnter attack diode, and its negative pole is connected with the positive pole of the 5th counnter attack diode, its positive pole is connected with the negative pole of the tenth counnter attack diode simultaneously, and its negative pole is connected with the positive pole of the tenth counnter attack diode;
Relay, between LED lamp tube and lead acid accumulator, whether by, the connection cut off between LED lamp tube and lead acid accumulator controls the opening and closing of LED lamp tube;
Optocoupler, between relay and Freescale IMX6 processor, under the control of Freescale IMX6 processor, determines the rupturing operation of relay;
Freescale IMX6 processor, with the grid of the first switching tube, the grid of second switch pipe, the grid of the 3rd switching tube is connected respectively with the grid of the 4th switching tube, by applying pwm control signal respectively on the grid of the first switching tube and the grid of the 3rd switching tube, determine the break-make of the first switching tube and the 3rd switching tube, to control solar energy output interface and wind-driven generator output interface respectively to the break-make of the charging of lead acid accumulator, also by applying the adjustable pwm control signal of duty ratio respectively on the grid of second switch pipe and the grid of the 4th switching tube, to control solar energy output interface and wind-driven generator output interface respectively to the charging voltage of lead acid accumulator,
Wherein, Freescale IMX6 processor is also connected with real-time timepiece chip, signal is judged when receiving night, disconnect solar energy output interface to the charging of lead acid accumulator, get through the charging of wind-driven generator output interface to lead acid accumulator, judging signal when receiving daytime, getting through the charging of solar energy output interface to lead acid accumulator, disconnect wind-driven generator output interface to the charging of lead acid accumulator.
3. there is the LED street lamp of multi-mode charging circuit as claimed in claim 2, it is characterized in that:
Freescale IMX6 processor is ARM11 chip.
4. there is the LED street lamp of multi-mode charging circuit as claimed in claim 2, it is characterized in that:
Wind-driven generator is arranged on lamp bracket.
5. have the LED street lamp of multi-mode charging circuit as claimed in claim 2, it is characterized in that, described LED street lamp also comprises:
Memory device, with voltage acquisition equipment connection, for storing default day time period and default hours of darkness section.
6. there is the LED street lamp of multi-mode charging circuit as claimed in claim 5, it is characterized in that:
Memory device is static memory.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511002828.1A CN105611671A (en) | 2015-10-04 | 2015-10-04 | LED street lamp with multi-mode charging circuit |
| 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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| Application Number | Priority Date | Filing Date | Title |
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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 Division CN105611671A (en) | 2015-10-04 | 2015-10-04 | LED street lamp with multi-mode charging circuit |
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| CN201510645350.8A Pending CN105357793A (en) | 2015-10-04 | 2015-10-04 | Light emitting diode (LED) street lamp having multi-mode charging circuit |
| CN201511002828.1A Pending CN105611671A (en) | 2015-10-04 | 2015-10-04 | LED street lamp with multi-mode charging circuit |
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