CN105226796A - A kind of means of illumination of LED street lamp of multi-mode charging - Google Patents
A kind of means of illumination of LED street lamp of multi-mode charging Download PDFInfo
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- CN105226796A CN105226796A CN201510644446.2A CN201510644446A CN105226796A CN 105226796 A CN105226796 A CN 105226796A CN 201510644446 A CN201510644446 A CN 201510644446A CN 105226796 A CN105226796 A CN 105226796A
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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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Abstract
The present invention relates to the means of illumination of the LED street lamp of a kind of multi-mode charging, the method comprises: 1) provide the LED street lamp that a kind of multi-mode is charged, described LED street lamp comprises LED lamp tube, wind speed detector, sunlight light-intensity test instrument, solar module and solar charging controller, solar charging controller uses in described LED street lamp the charging modes controlling solar module during solar module charging, the output data of wind speed detector and sunlight light-intensity test instrument provide reference signal for the switching between solar module charging and the charging of non-solar cell batteries assembly, 2) use described LED street lamp to throw light on.By the present invention, the charge mode of LED street lamp can be adjusted in real time according to the change of surrounding environment, to realize the charge efficiency of LED street lamp.
Description
Technical field
The present invention relates to field of LED illumination, particularly relate to the means of illumination of the LED street lamp of a kind of multi-mode charging.
Background technology
In prior art, LED street lamp mainly relies on mains-supplied, and its power consumption cost is high, and municipal sector also consumes a large amount of operation costs to the construction of LED street lamp and management.And only LED solar street light power consumption is higher, needs to improve power supply circuits, and still lacks technical scheme powered by wind energy circuit being used for LED street lamp, naturally lacks and the two is organically combined and the charging structure of self adaptation switching.
For this reason, the present invention proposes a kind of LED street lamp of carrying out charging based on environment measuring, powered by wind energy circuit and solar power supply circuit are organically combined, testing result according to wind speed detector and sunlight light-intensity test instrument controls charging system to the charging of LED street lamp storage battery, thus improves the energy-conservation level of LED street lamp on the whole.
Summary of the invention
In order to solve the technical problem that prior art exists, the invention provides the LED street lamp of a kind of multi-mode charging, first, transform existing solar power supply circuit, powered by wind energy circuit is organically combined in the charging circuit of LED street lamp, more crucially, controls charging circuit to the charging of lead acid accumulator by the testing result of wind speed detector and sunlight light-intensity test instrument, like this, improve the Power Saving Class of LED street lamp system, reliability and stability on the whole.
According to an aspect of the present invention, provide the means of illumination of the LED street lamp of a kind of multi-mode charging, the method comprises: 1) provide the LED street lamp that a kind of multi-mode is charged, described LED street lamp comprises LED lamp tube, wind speed detector, sunlight light-intensity test instrument, solar module and solar charging controller, solar charging controller uses in described LED street lamp the charging modes controlling solar module during solar module charging, the output data of wind speed detector and sunlight light-intensity test instrument provide reference signal for the switching between solar module charging and the charging of non-solar cell batteries assembly, 2) use described LED street lamp to throw light on.
More specifically, in the LED street lamp that described multi-mode is charged, also comprise: solar module, be arranged on lamp bracket top, have electric energy output interface, for exporting solar module by the electric energy after solar energy conversion, electric energy output interface comprises output plus terminal and exports negative terminal, wind speed detector, is arranged on lamp bracket top, for detecting the real-time wind speed of current environment in real time, sunlight light-intensity test instrument, is arranged on lamp bracket top, for detecting the real-time sunlight light intensity of current environment in real time, 6th counnter attack diode, its anode is connected with the output plus terminal of electric energy output interface, 8th electric capacity, between the negative terminal being connected in parallel on the 6th counnter attack diode and the output negative terminal of electric energy output interface, 4th switching tube is a P ditch enhancement mode metal-oxide-semiconductor, and its drain electrode is connected with the negative terminal of the 6th counnter attack diode, and its substrate is connected with source electrode, 7th counnter attack diode, between the source electrode being connected in parallel on the 4th switching tube and the output negative terminal of electric energy output interface, first inductance, its one end is connected with the source electrode of the 4th switching tube, 9th electric capacity, is connected in parallel between the other end of the first inductance and the output negative terminal of electric energy output interface, fuse, its one end is connected with the other end of the first inductance, and the other end is connected with the positive pole of lead acid accumulator, battery tension checkout equipment, for detecting the charging voltage of lead acid accumulator in real time, storage battery flow assay device, for detecting the charging current of lead acid accumulator in real time, solar charging controller, with electric energy output interface, lead acid accumulator, battery tension checkout equipment is connected respectively with storage battery flow assay device, when detecting that electric energy output interface is powered to lead acid accumulator, when the charging voltage received is less than default battery tension threshold value, constant current charge mode is adopted to charge to lead acid accumulator, when the charging voltage received is more than or equal to default battery tension threshold value and the charging current received is more than or equal to default battery current threshold value, constant voltage charging method is adopted to charge to lead acid accumulator, when the charging voltage received is more than or equal to default battery tension threshold value and the charging current received is less than default battery current threshold value, floating charge mode is adopted to charge to lead acid accumulator, hover fan main structure, is arranged on lamp bracket top, 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 arranged on lamp bracket top, 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, 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, 3rd resistance and the 4th resistance, be connected in parallel on positive and negative two ends of filter regulator circuit after series connection, one end of the 3rd resistance connects the anode of filter regulator circuit, and one end of the 4th resistance connects the negative terminal of filter regulator circuit, first electric capacity and the second electric capacity, positive and negative two ends of filter regulator circuit are connected in parallel on after series connection, one end of first electric capacity connects the anode of filter regulator circuit, one end of second electric capacity connects the negative terminal of filter regulator circuit, the other end of the first electric capacity connects the other end of the first resistance, and the other end of the second electric capacity connects the other end of the second resistance, 3rd electric capacity, is connected in parallel on positive and negative two ends of filter regulator circuit, 5th resistance, its one end connects the anode of filter regulator circuit, first 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 first switching tube and source electrode respectively, first 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 first switching tube, second switch pipe, 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, second counnter attack diode, its anode is connected with the source electrode of second switch pipe, 4th electric capacity and the 5th electric capacity, between the negative terminal being all connected in parallel on the second counnter attack diode and the negative terminal of filter regulator circuit, 3rd counnter attack diode, between the negative terminal being connected in parallel on the second counnter attack diode and the negative terminal of filter regulator circuit, 3rd switching 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, and its substrate is connected with source electrode, 4th counnter attack diode, between the source electrode being connected in parallel on the 3rd switching tube and the negative terminal of filter regulator circuit, second inductance, its one end is connected with the source electrode of the 3rd switching tube, 6th electric capacity and the 7th electric capacity, between the other end being all connected in parallel on the second inductance and the negative terminal of filter regulator circuit, 5th counnter attack diode, between the other end being connected in parallel on the second inductance and the negative terminal of filter regulator circuit, lead acid accumulator, its positive pole is connected with the other end of fuse, the output negative terminal of its negative pole and electric energy output interface, and its positive pole is connected with the negative pole of the 5th counnter attack diode simultaneously, and its negative pole is connected with the positive pole of the 5th 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, be connected respectively with the grid of the first switching tube and the grid of second switch pipe, by applying pwm control signal on the grid of the first switching tube, determine the break-make of the first switching tube, to control the break-make of wind-driven generator output interface to the charging of lead acid accumulator, also by applying the adjustable pwm control signal of duty ratio on the grid of second switch pipe, to control the charging voltage of wind-driven generator output interface to lead acid accumulator, wherein, Freescale IMX6 processor is also connected respectively with wind speed detector and sunlight light-intensity test instrument, when the real-time wind speed received is more than or equal to default wind speed threshold value and the real-time sunlight light intensity received is less than default Intensity threshold, disconnects electric energy output interface to the charging of lead acid accumulator, get through the charging of wind-driven generator output interface to lead acid accumulator, when the real-time wind speed received is more than or equal to default wind speed threshold value and the real-time sunlight light intensity received is more than or equal to default Intensity threshold, exceeds according to real-time wind speed the ratio that the ratio of default wind speed threshold value and real-time sunlight light intensity exceed default Intensity threshold and determine that electric energy output interface and wind-driven generator output interface are to the break-make of the charging of lead acid accumulator, when the real-time sunlight light intensity received is more than or equal to default Intensity threshold and the real-time wind speed received is less than default wind speed threshold value, get through the charging of electric energy output interface to lead acid accumulator, disconnect wind-driven generator output interface to the charging of lead acid accumulator, wherein, for Freescale IMX6 processor, when the ratio that real-time wind speed exceeds default wind speed threshold value be more than or equal to real-time sunlight light intensity exceed the ratio of default Intensity threshold time, disconnect electric energy output interface to the charging of lead acid accumulator, get through the charging of wind-driven generator output interface to lead acid accumulator, when the ratio that real-time wind speed exceeds default wind speed threshold value be less than real-time sunlight light intensity exceed the ratio of default Intensity threshold time, get through the charging of electric energy output interface to lead acid accumulator, disconnect wind-driven generator output interface to the charging of lead acid accumulator.
More specifically, in the LED street lamp of charging in described multi-mode: adopt the internal clocking of Freescale IMX6 processor to replace real time clock circuit.
More specifically, in the LED street lamp of charging in described multi-mode: lead acid accumulator is valve-regulated sealed lead-acid batteries.
More specifically, in the LED street lamp that described multi-mode is charged, described LED street lamp also comprises: static memory, is connected with solar charging controller, for prestoring default battery tension threshold value and default battery current threshold value.
More specifically, in the LED street lamp that described multi-mode is charged: radio communication circuit, be connected with Freescale IMX6 processor, for the real-time wind speed of wireless transmission and real-time sunlight light intensity.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram of the LED street lamp of the multi-mode charging illustrated according to an embodiment of the present invention.
Reference numeral: 1LED fluorescent tube; 2 wind speed detectors; 3 sunlight light-intensity test instrument; 4 solar modules; 5 solar charging controllers
Embodiment
Below with reference to accompanying drawings the embodiment of the LED street lamp that multi-mode of the present invention is charged is described in detail.
At present, LED street lamp uses the failure rate more than 6000 hours to be less than 1%.Illumination about account for the power consumption of 19% in the whole world, if the illumination system efficiency that the whole world adopts is than existing lifting one times, just can say it is the power consumption and the heat exhaust that are equivalent to remove European half.As can be seen here, how to improve the Power Saving Class of LED street lamp, the energy-saving and emission-reduction of corresponding global energy are most important.
Energy-saving LED street lamp is mainly solar powered street lamp, by gathering solar energy when solar energy abundance, and be converted to electrical power storage in storage battery, use when throwing light on for LED street lamp, although this mode is to a certain degree meeting down the energy-conservation requirement of LED street lamp, but cannot be applied in the insufficient region of solar energy, simultaneously, powered by wind energy is not used for the technical scheme of LED street lamp in prior art, nature, solar power supply circuit and powered by wind energy circuit are not carried out the power structure organically combining and switch flexibly yet, the space that the power supply circuits of existing LED street lamp still make progress.
In order to overcome above-mentioned deficiency, the present invention has built a kind of LED street lamp of multi-mode charging, solar power supply circuit and powered by wind energy circuit can be organically combined, simultaneously various parameters environmentally can determine the power switching strategy of solar power supply circuit and powered by wind energy circuit, thus improve the charge efficiency of LED street lamp.
Fig. 1 is the block diagram of the LED street lamp of the multi-mode charging illustrated according to an embodiment of the present invention, described LED street lamp comprises LED lamp tube, wind speed detector, sunlight light-intensity test instrument, solar module and solar charging controller, solar charging controller uses in described LED street lamp the charging modes controlling solar module during solar module charging, and the output data of wind speed detector and sunlight light-intensity test instrument provide reference signal for the switching between solar module charging and the charging of non-solar cell batteries assembly.
Then, continue to be further detailed the concrete structure of the LED street lamp that multi-mode of the present invention is charged.
Described LED street lamp also comprises: solar module, is arranged on lamp bracket top, has electric energy output interface, and for exporting solar module by the electric energy after solar energy conversion, electric energy output interface comprises output plus terminal and exports negative terminal.
Described LED street lamp also comprises: wind speed detector, is arranged on lamp bracket top, for detecting the real-time wind speed of current environment in real time.
Described LED street lamp also comprises: sunlight light-intensity test instrument, is arranged on lamp bracket top, for detecting the real-time sunlight light intensity of current environment in real time.
Described LED street lamp also comprises: the 6th counnter attack diode, and its anode is connected with the output plus terminal of electric energy output interface; 8th electric capacity, between the negative terminal being connected in parallel on the 6th counnter attack diode and the output negative terminal of electric energy output interface; 4th switching tube is a P ditch enhancement mode metal-oxide-semiconductor, and its drain electrode is connected with the negative terminal of the 6th counnter attack diode, and its substrate is connected with source electrode; 7th counnter attack diode, between the source electrode being connected in parallel on the 4th switching tube and the output negative terminal of electric energy output interface.
Described LED street lamp also comprises: the first inductance, and its one end is connected with the source electrode of the 4th switching tube; 9th electric capacity, is connected in parallel between the other end of the first inductance and the output negative terminal of electric energy output interface; Fuse, its one end is connected with the other end of the first inductance, and the other end is connected with the positive pole of lead acid accumulator.
Described LED street lamp also comprises: battery tension checkout equipment, for detecting the charging voltage of lead acid accumulator in real time; Storage battery flow assay device, for detecting the charging current of lead acid accumulator in real time.
Described LED street lamp also comprises: solar charging controller, with electric energy output interface, lead acid accumulator, battery tension checkout equipment is connected respectively with storage battery flow assay device, when detecting that electric energy output interface is powered to lead acid accumulator, when the charging voltage received is less than default battery tension threshold value, constant current charge mode is adopted to charge to lead acid accumulator, when the charging voltage received is more than or equal to default battery tension threshold value and the charging current received is more than or equal to default battery current threshold value, constant voltage charging method is adopted to charge to lead acid accumulator, when the charging voltage received is more than or equal to default battery tension threshold value and the charging current received is less than default battery current threshold value, floating charge mode is adopted to charge to lead acid accumulator.
Described LED street lamp also comprises: hover fan main structure, is arranged on lamp bracket top, 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 arranged on lamp bracket top, 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: 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; 3rd resistance and the 4th resistance, be connected in parallel on positive and negative two ends of filter regulator circuit after series connection, one end of the 3rd resistance connects the anode of filter regulator circuit, and one end of the 4th resistance connects the negative terminal of filter regulator circuit.
Described LED street lamp also comprises: the first electric capacity and the second electric capacity, positive and negative two ends of filter regulator circuit are connected in parallel on after series connection, one end of first electric capacity connects the anode of filter regulator circuit, one end of second electric capacity connects the negative terminal of filter regulator circuit, the other end of the first electric capacity connects the other end of the first resistance, and the other end of the second electric capacity connects the other end of the second resistance; 3rd electric capacity, is connected in parallel on positive and negative two ends of filter regulator circuit; 5th resistance, its one end connects the anode of filter regulator circuit; First 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 first switching tube and source electrode respectively; First 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 first switching tube; Second switch pipe, 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; Second counnter attack diode, its anode is connected with the source electrode of second switch pipe; 4th electric capacity and the 5th electric capacity, between the negative terminal being all connected in parallel on the second counnter attack diode and the negative terminal of filter regulator circuit; 3rd counnter attack diode, between the negative terminal being connected in parallel on the second counnter attack diode and the negative terminal of filter regulator circuit.
Described LED street lamp also comprises: the 3rd switching 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, and its substrate is connected with source electrode; 4th counnter attack diode, between the source electrode being connected in parallel on the 3rd switching tube and the negative terminal of filter regulator circuit; Second inductance, its one end is connected with the source electrode of the 3rd switching tube; 6th electric capacity and the 7th electric capacity, between the other end being all connected in parallel on the second inductance and the negative terminal of filter regulator circuit; 5th 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, and its positive pole is connected with the other end of fuse, the output negative terminal of its negative pole and electric energy output interface, and its positive pole is connected with the negative pole of the 5th counnter attack diode simultaneously, and its negative pole is connected with the positive pole of the 5th 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, be connected respectively with the grid of the first switching tube and the grid of second switch pipe, by applying pwm control signal on the grid of the first switching tube, determine the break-make of the first switching tube, to control the break-make of wind-driven generator output interface to the charging of lead acid accumulator, also by applying the adjustable pwm control signal of duty ratio on the grid of second switch pipe, to control the charging voltage of wind-driven generator output interface to lead acid accumulator.
Wherein, Freescale IMX6 processor is also connected respectively with wind speed detector and sunlight light-intensity test instrument; When the real-time wind speed received is more than or equal to default wind speed threshold value and the real-time sunlight light intensity received is less than default Intensity threshold, disconnects electric energy output interface to the charging of lead acid accumulator, get through the charging of wind-driven generator output interface to lead acid accumulator; When the real-time wind speed received is more than or equal to default wind speed threshold value and the real-time sunlight light intensity received is more than or equal to default Intensity threshold, exceeds according to real-time wind speed the ratio that the ratio of default wind speed threshold value and real-time sunlight light intensity exceed default Intensity threshold and determine that electric energy output interface and wind-driven generator output interface are to the break-make of the charging of lead acid accumulator; When the real-time sunlight light intensity received is more than or equal to default Intensity threshold and the real-time wind speed received is less than default wind speed threshold value, get through the charging of electric energy output interface to lead acid accumulator, disconnect wind-driven generator output interface to the charging of lead acid accumulator.
Wherein, for Freescale IMX6 processor, when the ratio that real-time wind speed exceeds default wind speed threshold value be more than or equal to real-time sunlight light intensity exceed the ratio of default Intensity threshold time, disconnect electric energy output interface to the charging of lead acid accumulator, get through the charging of wind-driven generator output interface to lead acid accumulator; When the ratio that real-time wind speed exceeds default wind speed threshold value be less than real-time sunlight light intensity exceed the ratio of default Intensity threshold time, get through the charging of electric energy output interface to lead acid accumulator, disconnect wind-driven generator output interface to the charging of lead acid accumulator.
Alternatively, in the LED street lamp of charging in described multi-mode: adopt the internal clocking of Freescale IMX6 processor to replace real time clock circuit; Lead acid accumulator is valve-regulated sealed lead-acid batteries; Described LED street lamp also comprises: static memory, is connected with solar charging controller, for prestoring default battery tension threshold value and default battery current threshold value; Radio communication circuit, is connected with Freescale IMX6 processor, for the real-time wind speed of wireless transmission and real-time sunlight light intensity.
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 that multi-mode of the present invention is charged, for the technical problem that the energy-saving effect of LED street lamp in prior art cannot reliably promote further, transform and organically combine solar power supply circuit and powered by wind energy circuit, the reliable charging of LED street lamp can be used for, simultaneously, introduce wind speed detector and sunlight light-intensity test instrument, control the reasonable switching of LED street lamp charge mode according to their testing result.
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. a means of illumination for the LED street lamp of multi-mode charging, the method comprises:
1) LED street lamp providing a kind of multi-mode to charge, described LED street lamp comprises LED lamp tube, wind speed detector, sunlight light-intensity test instrument, solar module and solar charging controller, solar charging controller uses in described LED street lamp the charging modes controlling solar module during solar module charging, and the output data of wind speed detector and sunlight light-intensity test instrument provide reference signal for the switching between solar module charging and the charging of non-solar cell batteries assembly;
2) use described LED street lamp to throw light on.
2. the method for claim 1, is characterized in that, described LED street lamp also comprises:
Solar module, is arranged on lamp bracket top, has electric energy output interface, and for exporting solar module by the electric energy after solar energy conversion, electric energy output interface comprises output plus terminal and exports negative terminal;
Wind speed detector, is arranged on lamp bracket top, for detecting the real-time wind speed of current environment in real time;
Sunlight light-intensity test instrument, is arranged on lamp bracket top, for detecting the real-time sunlight light intensity of current environment in real time;
6th counnter attack diode, its anode is connected with the output plus terminal of electric energy output interface;
8th electric capacity, between the negative terminal being connected in parallel on the 6th counnter attack diode and the output negative terminal of electric energy output interface;
4th switching tube is a P ditch enhancement mode metal-oxide-semiconductor, and its drain electrode is connected with the negative terminal of the 6th counnter attack diode, and its substrate is connected with source electrode;
7th counnter attack diode, between the source electrode being connected in parallel on the 4th switching tube and the output negative terminal of electric energy output interface;
First inductance, its one end is connected with the source electrode of the 4th switching tube;
9th electric capacity, is connected in parallel between the other end of the first inductance and the output negative terminal of electric energy output interface;
Fuse, its one end is connected with the other end of the first inductance, and the other end is connected with the positive pole of lead acid accumulator;
Battery tension checkout equipment, for detecting the charging voltage of lead acid accumulator in real time;
Storage battery flow assay device, for detecting the charging current of lead acid accumulator in real time;
Solar charging controller, with electric energy output interface, lead acid accumulator, battery tension checkout equipment is connected respectively with storage battery flow assay device, when detecting that electric energy output interface is powered to lead acid accumulator, when the charging voltage received is less than default battery tension threshold value, constant current charge mode is adopted to charge to lead acid accumulator, when the charging voltage received is more than or equal to default battery tension threshold value and the charging current received is more than or equal to default battery current threshold value, constant voltage charging method is adopted to charge to lead acid accumulator, when the charging voltage received is more than or equal to default battery tension threshold value and the charging current received is less than default battery current threshold value, floating charge mode is adopted to charge to lead acid accumulator,
Hover fan main structure, is arranged on lamp bracket top, 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 arranged on lamp bracket top, 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,
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;
3rd resistance and the 4th resistance, be connected in parallel on positive and negative two ends of filter regulator circuit after series connection, one end of the 3rd resistance connects the anode of filter regulator circuit, and one end of the 4th resistance connects the negative terminal of filter regulator circuit;
First electric capacity and the second electric capacity, positive and negative two ends of filter regulator circuit are connected in parallel on after series connection, one end of first electric capacity connects the anode of filter regulator circuit, one end of second electric capacity connects the negative terminal of filter regulator circuit, the other end of the first electric capacity connects the other end of the first resistance, and the other end of the second electric capacity connects the other end of the second resistance;
3rd electric capacity, is connected in parallel on positive and negative two ends of filter regulator circuit;
5th resistance, its one end connects the anode of filter regulator circuit;
First 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 first switching tube and source electrode respectively;
First 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 first switching tube;
Second switch pipe, 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;
Second counnter attack diode, its anode is connected with the source electrode of second switch pipe;
4th electric capacity and the 5th electric capacity, between the negative terminal being all connected in parallel on the second counnter attack diode and the negative terminal of filter regulator circuit;
3rd counnter attack diode, between the negative terminal being connected in parallel on the second counnter attack diode and the negative terminal of filter regulator circuit;
3rd switching 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, and its substrate is connected with source electrode;
4th counnter attack diode, between the source electrode being connected in parallel on the 3rd switching tube and the negative terminal of filter regulator circuit;
Second inductance, its one end is connected with the source electrode of the 3rd switching tube;
6th electric capacity and the 7th electric capacity, between the other end being all connected in parallel on the second inductance and the negative terminal of filter regulator circuit;
5th counnter attack diode, between the other end being connected in parallel on the second inductance and the negative terminal of filter regulator circuit;
Lead acid accumulator, its positive pole is connected with the other end of fuse, the output negative terminal of its negative pole and electric energy output interface, and its positive pole is connected with the negative pole of the 5th counnter attack diode simultaneously, and its negative pole is connected with the positive pole of the 5th 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, be connected respectively with the grid of the first switching tube and the grid of second switch pipe, by applying pwm control signal on the grid of the first switching tube, determine the break-make of the first switching tube, to control the break-make of wind-driven generator output interface to the charging of lead acid accumulator, also by applying the adjustable pwm control signal of duty ratio on the grid of second switch pipe, to control the charging voltage of wind-driven generator output interface to lead acid accumulator;
Wherein, Freescale IMX6 processor is also connected respectively with wind speed detector and sunlight light-intensity test instrument; When the real-time wind speed received is more than or equal to default wind speed threshold value and the real-time sunlight light intensity received is less than default Intensity threshold, disconnects electric energy output interface to the charging of lead acid accumulator, get through the charging of wind-driven generator output interface to lead acid accumulator; When the real-time wind speed received is more than or equal to default wind speed threshold value and the real-time sunlight light intensity received is more than or equal to default Intensity threshold, exceeds according to real-time wind speed the ratio that the ratio of default wind speed threshold value and real-time sunlight light intensity exceed default Intensity threshold and determine that electric energy output interface and wind-driven generator output interface are to the break-make of the charging of lead acid accumulator; When the real-time sunlight light intensity received is more than or equal to default Intensity threshold and the real-time wind speed received is less than default wind speed threshold value, get through the charging of electric energy output interface to lead acid accumulator, disconnect wind-driven generator output interface to the charging of lead acid accumulator;
Wherein, for Freescale IMX6 processor, when the ratio that real-time wind speed exceeds default wind speed threshold value be more than or equal to real-time sunlight light intensity exceed the ratio of default Intensity threshold time, disconnect electric energy output interface to the charging of lead acid accumulator, get through the charging of wind-driven generator output interface to lead acid accumulator; When the ratio that real-time wind speed exceeds default wind speed threshold value be less than real-time sunlight light intensity exceed the ratio of default Intensity threshold time, get through the charging of electric energy output interface to lead acid accumulator, disconnect wind-driven generator output interface to the charging of lead acid accumulator.
3. method as claimed in claim 2, is characterized in that:
The internal clocking of Freescale IMX6 processor is adopted to replace real time clock circuit.
4. method as claimed in claim 2, is characterized in that:
Lead acid accumulator is valve-regulated sealed lead-acid batteries.
5. method as claimed in claim 2, it is characterized in that, described LED street lamp also comprises:
Static memory, is connected with solar charging controller, for prestoring default battery tension threshold value and default battery current threshold value.
6. method as claimed in claim 2, it is characterized in that, described LED street lamp also comprises:
Radio communication circuit, is connected with Freescale IMX6 processor, for the real-time wind speed of wireless transmission and real-time sunlight light intensity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510644446.2A CN105226796A (en) | 2015-10-04 | 2015-10-04 | A kind of means of illumination of LED street lamp of multi-mode charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510644446.2A CN105226796A (en) | 2015-10-04 | 2015-10-04 | A kind of means of illumination of LED street lamp of multi-mode charging |
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| Publication Number | Publication Date |
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| CN105226796A true CN105226796A (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510644446.2A Withdrawn CN105226796A (en) | 2015-10-04 | 2015-10-04 | A kind of means of illumination of LED street lamp of multi-mode charging |
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| Country | Link |
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| CN (1) | CN105226796A (en) |
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2015
- 2015-10-04 CN CN201510644446.2A patent/CN105226796A/en not_active Withdrawn
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Application publication date: 20160106 |