CN105135344B - The LED street lamp of multi-mode charging - Google Patents
The LED street lamp of multi-mode charging Download PDFInfo
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- CN105135344B CN105135344B CN201510645355.0A CN201510645355A CN105135344B CN 105135344 B CN105135344 B CN 105135344B CN 201510645355 A CN201510645355 A CN 201510645355A CN 105135344 B CN105135344 B CN 105135344B
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- 238000007600 charging Methods 0.000 title claims abstract description 102
- 238000012360 testing method Methods 0.000 claims abstract description 21
- 239000002253 acid Substances 0.000 claims description 71
- 239000004065 semiconductor Substances 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 12
- 238000003556 assay Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000010280 constant potential charging Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/04—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a generator
- F21S9/043—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a generator driven by wind power, e.g. by wind turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
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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
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Wind Motors (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention relates to the LED street lamp of a kind of multi-mode charging, described LED street lamp includes LED lamp tube, wind speed detector, sunlight light-intensity test instrument, solar module and solar charging controller, solar charging controller controls the charging modes of solar module when described LED street lamp uses 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. By means of the invention it is possible to the charge mode of the change adjustment LED street lamp in real time according to surrounding, 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 LED street lamp of a kind of multi-mode charging.
Background technology
In prior art, LED street lamp relies primarily on mains-supplied, and its power consumption cost is high, and construction and the management of LED street lamp are also consumed substantial amounts of operation cost by municipal sector. And, the power consumption of only LED solar street light is higher, it is necessary to power supply circuits are improved, and still lacks the technical scheme that powered by wind energy circuit is used for LED street lamp, naturally lacks the charging structure that the two organically combines also self adaptation switching.
For this, the present invention proposes a kind of LED street lamp being charged 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 the charging system charging to LED street lamp accumulator, thus improving 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 it is essential that control the charging circuit charging to lead-acid accumulator by the testing result of wind speed detector and sunlight light-intensity test instrument, so, 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 LED street lamp of a kind of multi-mode charging, described LED street lamp includes LED lamp tube, wind speed detector, sunlight light-intensity test instrument, solar module and solar charging controller, solar charging controller controls the charging modes of solar module when described LED street lamp uses 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.
More specifically, in the LED street lamp that described multi-mode is charged, also include: solar module, it is arranged on lamp bracket top, having electric energy output interface, for exporting the electric energy after solar energy is changed by solar module, electric energy output interface includes output plus terminal and output 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, is connected in parallel between negative terminal and the output negative terminal of electric energy output interface of the 6th counnter attack diode; 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, is connected in parallel between source electrode and the output negative terminal of electric energy output interface of the 4th switching tube, 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 detection 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 detection equipment and storage battery flow assay device connect respectively, when detecting that lead-acid accumulator is powered by electric energy output interface, when the charging voltage received is less than default battery tension threshold value, adopt constant-current charge mode that lead-acid accumulator is charged, when the charging voltage received be more than or equal to default battery tension threshold value and the charging current that receives be more than or equal to default battery current threshold value time, adopt constant voltage charging method that lead-acid accumulator is charged, when the charging voltage received be more than or equal to default battery tension threshold value and the charging current that receives less than default battery current threshold value time, adopt floating charge mode that lead-acid accumulator is charged, lift blower fan main structure, is arranged on lamp bracket top, including three blades, driftage equipment, wheel hub and drive apparatus, three blades, when wind passes through, produce lift owing to the pressure of the positive and negative of each blade does not wait, and described lift drives corresponding blade to rotate, driftage equipment and three blades connect, for providing the reliability of three blades rotations and untying the mooring rope, wheel hub and three blades connect, and are used for fixing three blades, turn clockwise to be driven after vane stress, convert wind energy into slow-revving kinetic energy, drive apparatus includes 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, it is connected with wind-driven generator by high speed shaft, for the slow-revving kinetic energy of wheel hub being converted into the high-revolving kinetic energy required for wind-driven generator, shaft coupling is a flexible shaft, for compensating parallel misalignment and the angular error of gearbox output shaft and generator amature, disk brake, it is the disk brake of a hydraulic operation, brakes for mechanical brake, wind-driven generator, it is arranged on lamp bracket top, it is connected with the gear-box of lift blower fan main structure, it it is a double-fed asynchronous generator, for the high-revolving kinetic energy received is converted into wind-force electric energy, wind-driven generator includes stator winding, rotor windings, two-way back-to-back IGBT voltage source converter 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 two-way back-to-back IGBT voltage source converter, 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, and the three-phase alternating voltage of wind-driven generator output interface output is carried out rectification to obtain wind-force DC voltage, filter regulator circuit, is connected with rectification circuit wind-force DC voltage is filtered voltage stabilizing, to export direct voltage of voltage regulation, 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 it 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 the drain electrode of its negative terminal and the first switching tube connects; Second switch pipe, is a P ditch enhancement mode metal-oxide-semiconductor, and 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, be all connected in parallel between negative terminal and the negative terminal of filter regulator circuit of the second counnter attack diode; 3rd counnter attack diode, is connected in parallel between negative terminal and the negative terminal of filter regulator circuit of the second counnter attack diode; 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, is connected in parallel between source electrode and the negative terminal of filter regulator circuit of the 3rd switching tube; Second inductance, its one end is connected with the source electrode of the 3rd switching tube; 6th electric capacity and the 7th electric capacity, be all connected in parallel between the other end and the negative terminal of filter regulator circuit of the second inductance; 5th counnter attack diode, is connected in parallel between the other end and the negative terminal of filter regulator circuit of the second inductance; 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 the negative pole of its positive pole and the 5th counnter attack diode connects simultaneously, and the positive pole of its negative pole and the 5th counnter attack diode connects; Relay, between LED lamp tube and lead-acid accumulator, by whether 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, for, under the control of Freescale IMX6 processor, determining the rupturing operation of relay; Freescale IMX6 processor, it is connected respectively with the grid of the grid of the first switching tube and 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 wind-driven generator output interface break-make to the charging of lead-acid accumulator, also by applying the adjustable pwm control signal of dutycycle on the grid of second switch pipe, to control the wind-driven generator output interface charging voltage 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 be more than or equal to default wind speed threshold value and the real-time sunlight light intensity that receives less than default Intensity threshold time, disconnect the electric energy output interface charging to lead-acid accumulator, get through the charging to lead-acid accumulator of the wind-driven generator output interface; When the real-time wind speed received be more than or equal to default wind speed threshold value and the real-time sunlight light intensity that receives be more than or equal to default Intensity threshold time, determine electric energy output interface and wind-driven generator output interface break-make to the charging of lead-acid accumulator beyond the ratio and real-time sunlight light intensity presetting wind speed threshold value beyond the ratio presetting Intensity threshold according to real-time wind speed; When the real-time sunlight light intensity received be more than or equal to default Intensity threshold and the real-time wind speed that receives less than default wind speed threshold value time, get through the electric energy output interface charging to lead-acid accumulator, disconnect the charging to lead-acid accumulator of the wind-driven generator output interface; Wherein, for Freescale IMX6 processor, when real-time wind speed exceeds, be more than or equal to real-time sunlight light intensity, the ratio presetting Intensity threshold beyond the ratio presetting wind speed threshold value, disconnect the electric energy output interface charging to lead-acid accumulator, get through the charging to lead-acid accumulator of the wind-driven generator output interface;When real-time wind speed exceeds, less than real-time sunlight light intensity, the ratio presetting Intensity threshold beyond the ratio presetting wind speed threshold value, get through the electric energy output interface charging to lead-acid accumulator, disconnect the charging to lead-acid accumulator of the wind-driven generator output interface.
More specifically, in the LED street lamp that described multi-mode is charged: adopt the internal clocking of Freescale IMX6 processor to replace real time clock circuit.
More specifically, in the LED street lamp that described multi-mode is charged: 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 includes: static memory, is connected with solar charging controller, it is used 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, it is 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.
Accompanying drawing labelling: 1LED fluorescent tube; 2 wind speed detectors; 3 sunlight light-intensity test instrument; 4 solar modules; 5 solar charging controllers
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of the LED street lamp that the multi-mode of the present invention is charged is described in detail.
At present, LED street lamp uses more than the fault rate of 6000 hours 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, so that it may says the power consumption and heat exhaust that are comparable to remove Europe half. As can be seen here, how improving 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 is sufficient, and be converted to electrical power storage in accumulator, use when illuminating for LED street lamp, although this mode is to a certain degree meeting down the requirement that LED street lamp is energy-conservation, 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 by prior art, natural, also without being undertaken solar power supply circuit and powered by wind energy circuit organically combining and the flexible power structure switched, 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 the LED street lamp of a kind of multi-mode charging, solar power supply circuit and powered by wind energy circuit can be organically combined, the power switching strategy of solar power supply circuit and powered by wind energy circuit can be determined according to the various parameters of environment, thus improving the charge efficiency of LED street lamp simultaneously.
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 includes LED lamp tube, wind speed detector, sunlight light-intensity test instrument, solar module and solar charging controller, solar charging controller controls the charging modes of solar module when described LED street lamp uses 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, the concrete structure of the LED street lamp that the multi-mode of the present invention is charged is further detailed by continuation.
Described LED street lamp also includes: solar module, is arranged on lamp bracket top, has electric energy output interface, and for exporting the electric energy after solar energy is changed by solar module, electric energy output interface includes output plus terminal and output negative terminal.
Described LED street lamp also includes: 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 includes: 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 includes: the 6th counnter attack diode, and its anode is connected with the output plus terminal of electric energy output interface; 8th electric capacity, is connected in parallel between negative terminal and the output negative terminal of electric energy output interface of the 6th counnter attack diode; 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, is connected in parallel between source electrode and the output negative terminal of electric energy output interface of the 4th switching tube.
Described LED street lamp also includes: 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 includes: battery tension detection 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 includes: solar charging controller, with electric energy output interface, lead-acid accumulator, battery tension detection equipment and storage battery flow assay device connect respectively, when detecting that lead-acid accumulator is powered by electric energy output interface, when the charging voltage received is less than default battery tension threshold value, adopt constant-current charge mode that lead-acid accumulator is charged, when the charging voltage received be more than or equal to default battery tension threshold value and the charging current that receives be more than or equal to default battery current threshold value time, adopt constant voltage charging method that lead-acid accumulator is charged, when the charging voltage received be more than or equal to default battery tension threshold value and the charging current that receives less than default battery current threshold value time, adopt floating charge mode that lead-acid accumulator is charged.
Described LED street lamp also includes: lift blower fan main structure, is arranged on lamp bracket top, including three blades, driftage equipment, wheel hub and drive apparatus; Three blades, when wind passes through, produce lift owing to the pressure of the positive and negative of each blade does not wait, and described lift drives corresponding blade to rotate; Driftage equipment and three blades connect, for providing the reliability of three blades rotations and untying the mooring rope; Wheel hub and three blades connect, and are used for fixing three blades, turn clockwise to be driven after vane stress, convert wind energy into slow-revving kinetic energy; Drive apparatus includes 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, it is connected with wind-driven generator by high speed shaft, for the slow-revving kinetic energy of wheel hub being converted into the high-revolving kinetic energy required for wind-driven generator, shaft coupling is a flexible shaft, for compensating parallel misalignment and the angular error of gearbox output shaft and generator amature, disk brake, it is the disk brake of a hydraulic operation, brakes for mechanical brake.
Described LED street lamp also includes: wind-driven generator, it is arranged on lamp bracket top, it is connected with the gear-box of lift blower fan main structure, it it is a double-fed asynchronous generator, for the high-revolving kinetic energy received is converted into wind-force electric energy, wind-driven generator includes stator winding, rotor windings, two-way back-to-back IGBT voltage source converter 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 two-way back-to-back IGBT voltage source converter, wind-driven generator output interface is three-phase alternating current output interface, for exporting wind-force electric energy.
Described LED street lamp also includes: rectification circuit, is connected with wind-driven generator output interface, and the three-phase alternating voltage of wind-driven generator output interface output is carried out rectification to obtain wind-force DC voltage; Filter regulator circuit, is connected with rectification circuit wind-force DC voltage is filtered voltage stabilizing, to export direct voltage of voltage regulation; 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 includes: the first electric capacity and the second electric capacity, positive and negative two ends of filter regulator circuit it 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 includes: 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 the drain electrode of its negative terminal and the first switching tube connects; Second switch pipe, is a P ditch enhancement mode metal-oxide-semiconductor, and 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, be all connected in parallel between negative terminal and the negative terminal of filter regulator circuit of the second counnter attack diode; 3rd counnter attack diode, is connected in parallel between negative terminal and the negative terminal of filter regulator circuit of the second counnter attack diode.
Described LED street lamp also includes: 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, is connected in parallel between source electrode and the negative terminal of filter regulator circuit of the 3rd switching tube; Second inductance, its one end is connected with the source electrode of the 3rd switching tube; 6th electric capacity and the 7th electric capacity, be all connected in parallel between the other end and the negative terminal of filter regulator circuit of the second inductance; 5th counnter attack diode, is connected in parallel between the other end and the negative terminal of filter regulator circuit of the second inductance.
Described LED street lamp also includes: 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 the negative pole of its positive pole and the 5th counnter attack diode connects simultaneously, and the positive pole of its negative pole and the 5th counnter attack diode connects; Relay, between LED lamp tube and lead-acid accumulator, by whether 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, for, under the control of Freescale IMX6 processor, determining the rupturing operation of relay.
Described LED street lamp also includes: Freescale IMX6 processor, it is connected respectively with the grid of the grid of the first switching tube and 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 wind-driven generator output interface break-make to the charging of lead-acid accumulator, also by applying the adjustable pwm control signal of dutycycle on the grid of second switch pipe, to control the wind-driven generator output interface charging voltage 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 be more than or equal to default wind speed threshold value and the real-time sunlight light intensity that receives less than default Intensity threshold time, disconnect the electric energy output interface charging to lead-acid accumulator, get through the charging to lead-acid accumulator of the wind-driven generator output interface; When the real-time wind speed received be more than or equal to default wind speed threshold value and the real-time sunlight light intensity that receives be more than or equal to default Intensity threshold time, determine electric energy output interface and wind-driven generator output interface break-make to the charging of lead-acid accumulator beyond the ratio and real-time sunlight light intensity presetting wind speed threshold value beyond the ratio presetting Intensity threshold according to real-time wind speed; When the real-time sunlight light intensity received be more than or equal to default Intensity threshold and the real-time wind speed that receives less than default wind speed threshold value time, get through the electric energy output interface charging to lead-acid accumulator, disconnect the charging to lead-acid accumulator of the wind-driven generator output interface.
Wherein, for Freescale IMX6 processor, when real-time wind speed exceeds, be more than or equal to real-time sunlight light intensity, the ratio presetting Intensity threshold beyond the ratio presetting wind speed threshold value, disconnect the electric energy output interface charging to lead-acid accumulator, get through the charging to lead-acid accumulator of the wind-driven generator output interface; When real-time wind speed exceeds, less than real-time sunlight light intensity, the ratio presetting Intensity threshold beyond the ratio presetting wind speed threshold value, get through the electric energy output interface charging to lead-acid accumulator, disconnect the charging to lead-acid accumulator of the wind-driven generator output interface.
Alternatively, in the LED street lamp that described multi-mode is charged: 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 includes: static memory, is connected with solar charging controller, is used 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.
It addition, PWM, i.e. pulse width modulation, it is the very effective technology of one utilizing the digital output of microprocessor that analog circuit is controlled, is widely used in from the many fields measuring, communicating power control and conversion. Pulse width modulation is that a kind of to simulate controlling party pulse width modulation be the numeral output very effective technology of one that analog circuit is controlled utilizing microprocessor, being widely used in from measurement, communication to power control and pulse width modulation many fields of conversion is the very effective technology of one utilizing the digital output of microprocessor that analog circuit is controlled, and is widely used in and controls and many fields of conversion to power from measurement, communication.
Pulse width modulation is a kind of analog control mode, and it comes modulation transistor base stage or the biasing of metal-oxide-semiconductor grid according to the change of respective loads, realizes transistor or the change of metal-oxide-semiconductor ON time, thus realizing the change of switching power supply output. This mode can make the output voltage of power supply keep constant when operation conditions change, is the digital signal the utilizing microprocessor very effective technology of one that analog circuit is controlled.
PWM controls technology and controls simple with it, flexibly and the good advantage of dynamic response and become the control mode that Power Electronic Technique is most widely used. It comes modulation transistor base stage or the biasing of metal-oxide-semiconductor grid according to the change of respective loads, realizes transistor or the change of metal-oxide-semiconductor ON time, thus realizing the change of switching power supply output.This mode can make the output voltage of power supply keep constant when operation conditions change, is the digital signal the utilizing microprocessor very effective technology of one that analog circuit is controlled.
Adopt the LED street lamp of the multi-mode charging of the present invention, 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.
Although it is understood that the present invention discloses as above with preferred embodiment, but above-described embodiment is not limited to the present invention. For any those of ordinary skill in the art, without departing under technical solution of the present invention ambit, all may utilize the technology contents of the disclosure above and technical solution of the present invention is made many possible variations and modification, or be revised as the Equivalent embodiments of equivalent variations. Therefore, every content without departing from technical solution of the present invention, the technical spirit of the foundation present invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still falls within the scope of technical solution of the present invention protection.
Claims (1)
1. the LED street lamp of a multi-mode charging, described LED street lamp includes LED lamp tube, wind speed detector, sunlight light-intensity test instrument, solar module and solar charging controller, solar charging controller controls the charging modes of described solar module when described LED street lamp uses the charging of described solar module, and the output data of described wind speed detector and described sunlight light-intensity test instrument provide reference signal for the switching between the charging of described solar module and the charging of non-solar cell batteries assembly;
Described LED street lamp also includes:
Described solar module, is arranged on lamp bracket top, has electric energy output interface, and for exporting the electric energy after solar energy is changed by described solar module, electric energy output interface includes output plus terminal and output negative terminal;
Described wind speed detector, is arranged on lamp bracket top, for detecting the real-time wind speed of current environment in real time;
Described 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, is connected in parallel between negative terminal and the output negative terminal of electric energy output interface of the 6th counnter attack diode;
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, is connected in parallel between source electrode and the output negative terminal of electric energy output interface of the 4th switching tube;
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 detection 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 solar charging controller, with electric energy output interface, lead-acid accumulator, battery tension detection equipment and storage battery flow assay device connect respectively, when detecting that lead-acid accumulator is powered by electric energy output interface, when the charging voltage received is less than default battery tension threshold value, adopt constant-current charge mode that lead-acid accumulator is charged, when the charging voltage received be more than or equal to default battery tension threshold value and the charging current that receives be more than or equal to default battery current threshold value time, adopt constant voltage charging method that lead-acid accumulator is charged, when the charging voltage received be more than or equal to default battery tension threshold value and the charging current that receives less than default battery current threshold value time, adopt floating charge mode that lead-acid accumulator is charged,
Lift blower fan main structure, is arranged on lamp bracket top, including three blades, driftage equipment, wheel hub and drive apparatus; Three blades, when wind passes through, produce lift owing to the pressure of the positive and negative of each blade does not wait, and described lift drives corresponding blade to rotate; Driftage equipment and three blades connect, for providing the reliability of three blades rotations and untying the mooring rope; Wheel hub and three blades connect, and are used for fixing three blades, turn clockwise to be driven after vane stress, convert wind energy into slow-revving kinetic energy; Drive apparatus includes 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, it is connected with wind-driven generator by high speed shaft, for the slow-revving kinetic energy of wheel hub being converted into the high-revolving kinetic energy required for wind-driven generator, shaft coupling is a flexible shaft, for compensating parallel misalignment and the angular error of gearbox output shaft and generator amature, disk brake, it is the disk brake of a hydraulic operation, brakes for mechanical brake;
Wind-driven generator, it is arranged on lamp bracket top, it is connected with the gear-box of lift blower fan main structure, it it is a double-fed asynchronous generator, for the high-revolving kinetic energy received is converted into wind-force electric energy, wind-driven generator includes stator winding, rotor windings, two-way back-to-back IGBT voltage source converter 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 two-way back-to-back IGBT voltage source converter, 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, and the three-phase alternating voltage of wind-driven generator output interface output is carried out rectification to obtain wind-force DC voltage;
Filter regulator circuit, is connected with rectification circuit wind-force DC voltage is filtered voltage stabilizing, to export direct voltage of voltage regulation;
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 it 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 the drain electrode of its negative terminal and the first switching tube connects;
Second switch pipe, is a P ditch enhancement mode metal-oxide-semiconductor, and 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, be all connected in parallel between negative terminal and the negative terminal of filter regulator circuit of the second counnter attack diode;
3rd counnter attack diode, is connected in parallel between negative terminal and the negative terminal of filter regulator circuit of the second counnter attack diode;
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, is connected in parallel between source electrode and the negative terminal of filter regulator circuit of the 3rd switching tube;
Second inductance, its one end is connected with the source electrode of the 3rd switching tube;
6th electric capacity and the 7th electric capacity, be all connected in parallel between the other end and the negative terminal of filter regulator circuit of the second inductance;
5th counnter attack diode, is connected in parallel between the other end and the negative terminal of filter regulator circuit of the second inductance;
Lead-acid accumulator, its positive pole is connected with the other end of fuse, and its negative pole is connected with the output negative terminal of electric energy output interface, and the negative pole of its positive pole and the 5th counnter attack diode connects simultaneously, and the positive pole of its negative pole and the 5th counnter attack diode connects;
Relay, between LED lamp tube and lead-acid accumulator, by whether 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, for, under the control of Freescale IMX6 processor, determining the rupturing operation of relay;
Freescale IMX6 processor, it is connected respectively with the grid of the grid of the first switching tube and 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 wind-driven generator output interface break-make to the charging of lead-acid accumulator, also by applying the adjustable pwm control signal of dutycycle on the grid of second switch pipe, to control the wind-driven generator output interface charging voltage to lead-acid accumulator;
Wherein, Freescale IMX6 processor is also connected respectively with described wind speed detector and described sunlight light-intensity test instrument; When the real-time wind speed received be more than or equal to default wind speed threshold value and the real-time sunlight light intensity that receives less than default Intensity threshold time, disconnect the electric energy output interface charging to lead-acid accumulator, get through the charging to lead-acid accumulator of the wind-driven generator output interface; When the real-time wind speed received be more than or equal to default wind speed threshold value and the real-time sunlight light intensity that receives be more than or equal to default Intensity threshold time, determine electric energy output interface and wind-driven generator output interface break-make to the charging of lead-acid accumulator beyond the ratio and real-time sunlight light intensity presetting wind speed threshold value beyond the ratio presetting Intensity threshold according to real-time wind speed; When the real-time sunlight light intensity received be more than or equal to default Intensity threshold and the real-time wind speed that receives less than default wind speed threshold value time, get through the electric energy output interface charging to lead-acid accumulator, disconnect the charging to lead-acid accumulator of the wind-driven generator output interface;
Wherein, for Freescale IMX6 processor, when real-time wind speed exceeds, be more than or equal to real-time sunlight light intensity, the ratio presetting Intensity threshold beyond the ratio presetting wind speed threshold value, disconnect the electric energy output interface charging to lead-acid accumulator, get through the charging to lead-acid accumulator of the wind-driven generator output interface; When real-time wind speed exceeds, less than real-time sunlight light intensity, the ratio presetting Intensity threshold beyond the ratio presetting wind speed threshold value, get through the electric energy output interface charging to lead-acid accumulator, disconnect the charging to lead-acid accumulator of the wind-driven generator output interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510645355.0A CN105135344B (en) | 2015-10-04 | 2015-10-04 | The LED street lamp of multi-mode charging |
| CN201510998974.8A CN105627235A (en) | 2015-10-04 | 2015-10-04 | LED street lamp capable of being charged in multiple modes |
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| CN201510645355.0A CN105135344B (en) | 2015-10-04 | 2015-10-04 | The LED street lamp of multi-mode charging |
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| CN201510998974.8A Division CN105627235A (en) | 2015-10-04 | 2015-10-04 | LED street lamp capable of being charged in multiple modes |
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| CN105135344B true CN105135344B (en) | 2016-06-08 |
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- 2015-10-04 CN CN201510645355.0A patent/CN105135344B/en not_active Expired - Fee Related
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| CN105135344A (en) | 2015-12-09 |
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