CN105515160A - LED streetlamp system with charging mode switching mechanism - Google Patents
LED streetlamp system with charging mode switching mechanism Download PDFInfo
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- CN105515160A CN105515160A CN201510999420.XA CN201510999420A CN105515160A CN 105515160 A CN105515160 A CN 105515160A CN 201510999420 A CN201510999420 A CN 201510999420A CN 105515160 A CN105515160 A CN 105515160A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
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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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- 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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The invention relates to an LED streetlamp system with a charging mode switching mechanism. The streetlamp system comprises the components of solar cell voltage detecting equipment, a solar cell assembly and a solar charging controller. The solar charging controller controls the charging mode of the solar cell assembly when the streetlamp system is charged by means of the solar cell assembly. The solar cell voltage detecting equipment acquires the output voltage of the solar cell assembly and is used for supplying a switching signal between solar cell assembly charging and non-solar-cell-assembly charging. The LED streetlamp system can realize flexible switching between solar cell assembly charging and non-solar-cell-assembly charging.
Description
The divisional application that the present invention is application number is 2015106555588, the applying date is on October 3rd, 2015, denomination of invention is the patent of " LED street lamp system with charge mode handover mechanism ".
Technical field
The present invention relates to field of LED illumination, particularly relate to a kind of LED street lamp system with charge mode handover mechanism.
Background technology
In prior art, mainly bias toward solar powered, seldom use powered by wind energy to the energy-conservation power supply of LED street lamp, solar powered overcast and rainy or cannot charge under environment night, meanwhile, existing solar powered structure power consumption is high, without optimization.
For this reason, the present invention proposes a kind of LED street lamp system with charge mode handover mechanism, optimize solar power supply circuit and powered by wind energy circuit, and introduce compatible circuit the two power supply circuits is organically combined, crucially, the voltage acquisition equipment be connected with the electric energy output interface of solar energy electroplax is also introduced, to carry out the switching between solar powered and powered by wind energy according to the output voltage of solar energy electroplax, thus ensure the power supplying efficiency of LED street lamp system, save power supply expense.
Summary of the invention
In order to solve the technical problem that prior art exists, the invention provides a kind of LED street lamp system with charge mode handover mechanism, adopt the voltage acquisition equipment be connected with the electric energy output interface of solar energy electroplax, with the charging switch-over control signal providing solar powered according to the output voltage of solar energy electroplax and between powered by wind energy, devise a set of concrete power supply circuits with reliably compatible solar energy and wind energy two kinds of powering modes simultaneously.
According to an aspect of the present invention, provide a kind of LED street lamp system with charge mode handover mechanism, described road lamp system comprises solar array voltage checkout equipment, solar module and solar charging controller, solar charging controller uses at described road lamp system the charging modes controlling solar module during solar module charging, solar array voltage checkout equipment gathers the output voltage of solar module, in order to provide the switching signal that solar module charges and non-solar cell batteries assembly charges.
More specifically, have in the LED street lamp system of charge mode handover mechanism described, also comprise: solar module, be arranged on lamp bracket top, there is 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, solar array voltage checkout equipment, be arranged on lamp bracket top, be connected with the electric energy output interface of solar module, for gathering the output voltage of solar module, when output voltage is more than or equal to default solar module voltage threshold, send and judge signal daytime, when output voltage is less than default solar module voltage threshold, sends and judge signal night, 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 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 DSP control chip, under the control of DSP control chip, determines the rupturing operation of relay, DSP control chip is 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, DSP control chip is also connected with solar array voltage checkout equipment, signal is judged when receiving night, 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, judging signal when receiving daytime, getting 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, have in the LED street lamp system of charge mode handover mechanism described: wind-driven generator is arranged on lamp bracket top.
More specifically, have in the LED street lamp system of charge mode handover mechanism described, described road lamp system also comprises: memory device, for prestoring default battery tension threshold value, presetting battery current threshold value and default solar module voltage threshold.
More specifically, have in the LED street lamp system of charge mode handover mechanism described: memory device is portable hard drive.
More specifically, have in the LED street lamp system of charge mode handover mechanism described: memory device is connected respectively with solar array voltage checkout equipment and solar charging controller.
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 system of charge mode handover mechanism illustrated according to an embodiment of the present invention.
Reference numeral: 1 solar array voltage checkout equipment; 2 solar modules; 3 solar charging controllers
Embodiment
Below with reference to accompanying drawings the embodiment with the LED street lamp system of charge mode handover mechanism of the present invention is described in detail.
High-power LED light source can meet needed for general street lamp.The light efficiency of general high-pressure sodium lamp is 100LM/W, and conventional great power LED is 50-60LM/W, and can reach 80LM/W with best LED chip abroad, luminous efficiency is higher, means that energy-saving effect is better, and this is also select one of most important index of LED street lamp.
In prior art, LED street lamp high volume applications also exists following difficult point to be needed to overcome: 1) LED street lamp requires higher to power supply unit, when using the natural energy in order to energy-conserving and environment-protective, lack a set of concrete power supply circuits taking into account solar energy and wind energy, to ensure the continued power of the LED street lamp when charging voluntarily; 2) the flexible switching of powering between solar energy and wind energy how is carried out; 3) existing solar powered structure and powered by wind energy structure how is optimized, to improve power supplying efficiency.
In order to overcome above-mentioned deficiency, the present invention has built a kind of LED street lamp system with charge mode handover mechanism, on the one hand, the optimization power supply circuits taking into account solar energy and wind energy can be provided to carry out charging voluntarily reliably to LED street lamp, on the other hand, scientifically according to the concrete condition of solar energy, the flexible switching between solar powered and powered by wind energy can be started, thus improve the charge efficiency of LED street lamp comprehensively.
Fig. 1 is the block diagram with the LED street lamp system of charge mode handover mechanism illustrated according to an embodiment of the present invention, described road lamp system comprises solar array voltage checkout equipment, solar module and solar charging controller, solar charging controller uses at described road lamp system the charging modes controlling solar module during solar module charging, solar array voltage checkout equipment gathers the output voltage of solar module, in order to provide the switching signal that solar module charges and non-solar cell batteries assembly charges.
Then, continue to be further detailed the concrete structure with the LED street lamp system of charge mode handover mechanism of the present invention.
Described road lamp system 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 road lamp system also comprises: solar array voltage checkout equipment, be arranged on lamp bracket top, be connected with the electric energy output interface of solar module, for gathering the output voltage of solar module, when output voltage is more than or equal to default solar module voltage threshold, send and judge signal daytime, when output voltage is less than default solar module voltage threshold, sends and judge signal night.
Described road lamp system 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 road lamp system 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; Battery tension checkout equipment, for detecting the charging voltage of lead acid accumulator in real time.
Described road lamp system also comprises: storage battery flow assay device, for detecting the charging current of lead acid accumulator in real time.
Described road lamp system 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 road lamp system 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 road lamp system 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 road lamp system 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 road lamp system 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 road lamp system 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 road lamp system 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 road lamp system also comprises: 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, 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 DSP control chip, under the control of DSP control chip, determines the rupturing operation of relay.
Described road lamp system also comprises: DSP control chip, 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, DSP control chip is also connected with solar array voltage checkout equipment, signal is judged when receiving night, 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, judging signal when receiving daytime, getting 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 described road lamp system: wind-driven generator is arranged on lamp bracket top; Described road lamp system also comprises: memory device, for prestoring default battery tension threshold value, presetting battery current threshold value and default solar module voltage threshold; Memory device is portable hard drive; Memory device is connected respectively with solar array voltage checkout equipment and solar charging controller.
In addition, solar cell is also called " solar chip " or " photocell ", is a kind of optoelectronic semiconductor thin slice utilizing the sunlight direct generation of electricity.As long as it is arrived by illumination, moment just exportable voltage and when there being loop generation current.Physically be called photovoltaic (Photovoltaic, photo light, voltaics volt, is abbreviated as PV), be called for short photovoltaic.Solar cell is the device directly light energy conversion being become electric energy by photoelectric effect or Photochemical effects.With the thin-film type solar cell of photoelectric effect work for main flow, be then also in the budding stage with the enforcement solar cell of Photochemical effects work.
From the 58's of 20th century, the artificial satellite that the U.S. launches just utilizes solar cell as the source of energy.During 20 century 70 energy crisis, countries in the world are allowed to perceive the importance of energy development.Within 1973, there occurs oil crisis, people start the application of solar cell to transfer in general people's livelihood purposes.In countries such as the U.S., Japan and Israel, use solar energy equipment in a large number, more advanced towards business-like target.In these countries, the U.S. sets up solar plant maximum in the world in nineteen eighty-three in California, and its energy output can be special up to 16 megawatts.The other countries in South Africa, Botswana, Namibia and south, Africa also set up special project, encourage remote grass roots to install the solar cell power generation system of low cost.And carry out first-elected Japan of the most positive country of solar power generation.Within 1994, Japan implements subsidy incentive method, promotes " the commercial power parallel type sunlight electrical energy system " of each household 3,000 watt.At First Year, the funds of government subsidy 49%, later subsidy is successively decreased year by year again." commercial power parallel type sunlight electrical energy system " is when abundance at sunshine, provides electric energy to oneself load use, if there is unnecessary electric power, store separately by solar cell.When energy output is not enough or when not generating electricity, required electric power is provided by Utilities Electric Co. again.By 1996, Japan had 2,600 family device solar power systems, and installing total capacity has had 8 megawatts special.After 1 year, have 9,400 family devices, the total capacity of installing also reaches 32 megawatts spies.Along with the surging of environmental consciousness and the system of government subsidiaries, estimate the demand of Japanese household's solar cell, also can increase rapidly.
Adopt the LED street lamp system with charge mode handover mechanism of the present invention, for LED street lamp system in prior art power expense large, cannot the technical problem of compatible wind energy and solar power supply circuit, adopt the voltage acquisition equipment be connected with the electric energy output interface of solar energy electroplax, to carry out the switching between solar powered and powered by wind energy according to the output voltage of solar energy electroplax, simultaneously, optimize and in conjunction with solar power supply circuit and powered by wind energy circuit, improve the power supplying efficiency of LED street lamp system power supply circuits further.
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 (2)
1. one kind has the LED street lamp system of charge mode handover mechanism, described road lamp system comprises solar array voltage checkout equipment, solar module and solar charging controller, solar charging controller uses at described road lamp system the charging modes controlling solar module during solar module charging, solar array voltage checkout equipment gathers the output voltage of solar module, in order to provide the switching signal that solar module charges and non-solar cell batteries assembly charges.
2. have the LED street lamp system of charge mode handover mechanism as claimed in claim 1, it is characterized in that, described road lamp system 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;
Solar array voltage checkout equipment, be arranged on lamp bracket top, be connected with the electric energy output interface of solar module, for gathering the output voltage of solar module, when output voltage is more than or equal to default solar module voltage threshold, send and judge signal daytime, when output voltage is less than default solar module voltage threshold, sends and judge signal night;
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 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 DSP control chip, under the control of DSP control chip, determines the rupturing operation of relay;
DSP control chip is 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, DSP control chip is also connected with solar array voltage checkout equipment, signal is judged when receiving night, 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, judging signal when receiving daytime, getting 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;
Wind-driven generator is arranged on lamp bracket top;
Memory device, for prestoring default battery tension threshold value, presetting battery current threshold value and default solar module voltage threshold.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510655558.8A CN105120587B (en) | 2015-10-03 | 2015-10-03 | There is the LED street lamp system of charge mode handover mechanism |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510655558.8A Division CN105120587B (en) | 2015-10-03 | 2015-10-03 | There is the LED street lamp system of charge mode handover mechanism |
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| CN105515160A true CN105515160A (en) | 2016-04-20 |
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| CN201510655558.8A Expired - Fee Related CN105120587B (en) | 2015-10-03 | 2015-10-03 | There is the LED street lamp system of charge mode handover mechanism |
| CN201510999420.XA Withdrawn CN105515160A (en) | 2015-10-03 | 2015-10-03 | LED streetlamp system with charging mode switching mechanism |
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| Application Number | Title | Priority Date | Filing Date |
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| KR101268423B1 (en) * | 2012-01-30 | 2013-07-04 | 한서대학교 산학협력단 | Apparatus for turn-on control of solar cell street light |
| CN103209522B (en) * | 2013-04-03 | 2016-06-01 | 陈青 | The complementary controller of sun power street lamp city electricity and control method thereof |
| CN104735865A (en) * | 2015-01-27 | 2015-06-24 | 中山市索伦太阳能光电有限公司 | Circuit for linearly adjusting power of solar street lamp |
| CN104806962A (en) * | 2015-05-14 | 2015-07-29 | 许昌学院 | Solar LED street lamp device and control method thereof |
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| CN105120587B (en) | 2016-06-01 |
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Application publication date: 20160420 |