CN201830493U - High-power LED (light-emitting diode) constant-temperature lighting system driven by combination of wind, light and grid electricity - Google Patents
High-power LED (light-emitting diode) constant-temperature lighting system driven by combination of wind, light and grid electricity Download PDFInfo
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- CN201830493U CN201830493U CN2010205704982U CN201020570498U CN201830493U CN 201830493 U CN201830493 U CN 201830493U CN 2010205704982 U CN2010205704982 U CN 2010205704982U CN 201020570498 U CN201020570498 U CN 201020570498U CN 201830493 U CN201830493 U CN 201830493U
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses a high-power LED (light-emitting diode) constant-temperature lighting system driven by the combination of wind, light and grid electricity, comprising a solar battery, a wind driven generator, an intelligent direct-current controller, a storage battery and a temperature control circuit. The power of the solar battery and the wind driven generator is accessed into the intelligent direct-current controller for transformation, rectification, filtration and voltage stabilization, and then is transmitted to the storage battery, the intelligent direct-current controller is also connected with a power grid, the power output end of the intelligent direct-current controller drives and is connected with a high-power LED and the temperature control circuit, and the temperature control circuit comprises a high-power LED chip and a semiconductor thermoelectric refrigerating unit which is matched with the high-power LED for installation. The high-power LED constant-temperature lighting system ensures the service life and reliability of the high-power LED.
Description
Technical field
The utility model belongs to green energy resource, energy-saving and emission-reduction field, the power supply that is specifically related to a kind of great power LED drives and the great power LED constant temperature illuminator of great power LED steady illumination is lowered the temperature, kept to great power LED, is meant the great power LED constant temperature illuminator of utilizing wind-powered electricity generation, photoelectricity, electrical network combination to drive especially.
Background technology
Applying of renewable green energy resources such as solar energy, wind energy craved in the finiteness and the serious environmental pollution day by day of the chemical industry energy such as tradition oil, coal more, become worldwide trend.In addition, solar energy is also craved in electrical network such as remote rural area, island area that is difficult to arrive, wind energy system improves the short of electricity situation.Photovoltaic generation and wind power generation are two kinds of the most promising energy technologys, and they have remarkable superiority: inexhaustible, can regeneration, environmental friendliness, widely distributed, suit measures to local conditions, need not transport.Wind-photovoltaic complementary power supply system can effectively utilize wind energy and solar energy in energy and temporal complementarity, by both Blast Furnace Top Gas Recovery Turbine Unit (TRT) separately, and jointly to charge in batteries, the capacity of energy-storage system in the middle of reducing.Although the first investment of wind-photovoltaic complementary power supply system is higher, do not need transmission line, do not need the excavated pavement preheating embedding line yet, do not consume the circuit transmission of electric energy.Therefore, there is tangible economic benefit in this system in the long run.Wind and light complementary road lamp utilizes generating electricity by natural energy, consumption of fossil fuels not, and discharge of harmful gases such as no carbon dioxide, sulfur dioxide clean harmlessly, and environmental benefit is good.
The great power LED of high-photoelectric transformation efficiency is extensively had an optimistic view of as the alternative source of light of a new generation, is the direction that China's illuminating engineering technology is given priority to.Can be applicable to special lighting, floor light, general illumination, have a high potential, market prospects are wide.Current, the heat radiation of high-efficiency high-power LED, driving, luminous intensity distribution and system reliability technology are still immature, have greatly influenced applying and useful life of high-efficiency high-power LED.
In recent years, people's wind energy that begins one's study, the LED illuminator of the complementary power supply of luminous energy and wind/light, for example " China's application (patent) number CN200710190951.X solar energy; the LED tunnel area lighting system of wind energy or wind light mutual complementing centrally connected power supply ", " China's application (patent) number CN200910102803.7 wind energy; luminous energy; the complementary LED intelligent illuminating system of civil power ", " China's application (patent) number CN200820030542.3 intellectualized LED illuminating lamp ", " the LED illuminator of China application (patent) number CN200920052411.X wind light mutual complementing centrally connected power supply ", " China's application (patent) number CN200620131935.4 wind light mutual complementing high-power LED lighting fixture ", " time refined; large power LED solar energy illuminator interlock circuit design; Chinese electric lighting, o. 11th 1-5 page or leaf in 2007 " or the like.But, do not relate to technology in these schemes to utilizing wind power generation, photovoltaic generation, wind/light complemental power-generation to give the high-powered LED lamp cooling, influenced the steady operation and the useful life of LED lamp.
Summary of the invention
The purpose of this utility model is in order to overcome the shortcoming and defect that prior art exists, and provide a kind of with wind light mutual complementing power generation to the great power LED powered lighting, driving the semiconductor thermoelectric refrigeration device simultaneously is the LED cooling, has guaranteed that the useful life of LED and wind, light, the net electricity of reliability make up the great power LED constant temperature illuminator that drives.
For achieving the above object, the technical solution of the utility model is a kind of wind, light, the great power LED constant temperature illuminator that the combination of net electricity drives, it is characterized in that: include solar cell, wind-driven generator, the intelligent DC controller, storage battery, and temperature-control circuit, described solar cell, the electric power of wind-driven generator is linked into intelligent DC controller transformation, rectification, filtering, be transported to storage battery after the voltage stabilizing, described intelligent DC controller also inserts with electrical network and is connected, the power output end of described intelligent DC controller connects driving great power LED and temperature-control circuit, the high-power LED chip that includes in this temperature-control circuit, and the semiconductor thermoelectric refrigeration device that cooperates installation with great power LED.
By above-mentioned setting, generating when solar cell described in the utility model, wind-driven generator work, perhaps when not working, solar cell (group) and wind-driven generator insert electrical network, and electric energy is transported to storage battery after by controller transformation, rectification, filtering, voltage stabilizing, storage battery (group) with direct current through controller drives large power high efficiency led chip, semiconductor cooler.At led chip work adstante febre, temperature-control circuit drives semiconductor cooler work and allows the led chip cooling, guarantees useful life and the reliability of LED.Controller is responsible for the charged state of monitoring battery assembly, and the management charging process comprises the Push And Release of load, the battery component energy is made full use of, and increase the service life.Under any condition (sunny or overcast and rainy for a long time), controller can both guarantee that storage battery is not because of overcharging or crossing to put and damage.
Further being provided with is the closed control circuit that described temperature-control circuit is made of high-power LED chip, thermistor, semiconductor thermoelectric refrigeration device, integrated transporting discharging chip, resistance and triode.It is luminous under a more stable temperature to keep led chip by this setting, has guaranteed reliability, prolongs its useful life.
The utility model just is based on the advantage of wind energy/photovoltaic complemental power-generation, and they are to LED power supply but do not have the deficiency of cooling and think deeply and design.Utility model designer proposes to utilize wind light mutual complementing power generation to give the great power LED powered lighting, driving the semiconductor thermoelectric refrigeration device simultaneously is the LED cooling, useful life and the reliability of LED have been guaranteed, avoided using and discharging of harmful cold-producing medium freon etc., these all are renewable green energy resource and energy-conserving and emission-cutting technology that China and even world other countries press for.Therefore, the utlity model has great application, economy and social value.
Below in conjunction with specification drawings and specific embodiments the utility model is done further introduction.
Description of drawings
Fig. 1 the utility model embodiment principle schematic;
Fig. 2 the utility model battery charge-discharge control circuit figure;
Fig. 3 the utility model inserts the adjustable DC-stabilized circuit of electrical network;
Fig. 4 the utility model temperature-control circuit.
Embodiment
Embodiment of the present utility model shown in Fig. 1-4, include solar cell (also claiming photovoltaic cell), wind-driven generator, the intelligent DC controller, storage battery, and temperature-control circuit, described solar cell, the electric power of wind-driven generator is linked into intelligent DC controller transformation, rectification, filtering, be transported to storage battery after the voltage stabilizing, described intelligent DC controller also inserts with electrical network and is connected, the power output end of described intelligent DC controller drives and connects great power LED and temperature-control circuit, the high-power LED chip that includes in this temperature-control circuit, and the semiconductor thermoelectric refrigeration device that cooperates installation with great power LED.
Present embodiment is when design, in order to obtain satisfying the wind/light of client's electricity consumption requirement/hold system configuration with minimum equipment investment cost, the first step, capacity according to load and the roughly selected a certain wind-driven generator of local meteorologic parameter, making full use of under the constant situation of wind energy and fan capacity, calculating the capacity of the photovoltaic cell (group) that is complementary with this fan capacity; Second step changed the capacity of blower fan, calculated the capacity of the photovoltaic cell (group) that fan capacity therewith is complementary respectively; The 3rd step repeated for second step, can obtain the several client's of satisfying needs for electricity, the different wind energy/luminous energy complementary power generation system combination of wind/light collocation; In the 4th step, the market price of consideration each several part equipment calculates the combination of a wind/light complementary power generation system of overall cost of ownership minimum.The capacity C of storage battery is usually according to guaranteeing that the fate of power supply calculates continuously: C=(nW)/(U Γ η), wherein n is the storage battery fate of power supply continuously, W is a day power consumption, U is a system works voltage, Γ is the maximum depth of discharge (generally getting 40%) of storage battery, and η is by the discharge loop efficient of storage battery to load.
In the calculating of design, the master data that needs mainly contains: on-the-spot geographical position comprises place, latitude, longitude and height above sea level etc.; The meteorological data of infield comprises month by month solar energy total radiation, direct radiation amount and scattered radiation amount, the average temperature of the whole year and the highest, the lowest temperature, the longest continuous overcast and rainy days, special weather conditions such as maximum wind velocity and hail, snowfall.Meteorological data generally can't be made long-term forecast, can only be with the mean value in past 10 years to 20 years as foundation.
Take the photovoltaic system design principle of the reception solar radiation amount of at present popular in the world " annual equilibrium maximum winter half year ", promptly according to the requirement of storage battery (group) equalizing charge, day amount of radiation on the solar module face equates with summer half year and winter half year, but also to make the day amount of radiation of winter half year on the assembly reach maximum simultaneously as far as possible, thereby increase the energy output principle of assembly in more weak month of intensity of solar radiation, determine the optimum angle of incidence of photovoltaic cell component face and the current value of best generating thereof, count the maximum electric weight of having a deficit continuously of annual accumulative total simultaneously, in conjunction with suitable storage battery (group) depth of discharge G, determine the reasonably combined capacity of photovoltaic module and storage battery (group).
Described wind-driven generator can be selected large-scale, medium-sized, the small-sized trunnion axis or the blower fan of vertical axes according to the size of load; Described photovoltaic cell can be selected the solar cell of monocrystalline silicon, polysilicon, amorphous silicon; Described storage battery (group) can be selected lead acid accumulator (group), Ni-Cd storage battery (group), Ni-H storage battery (group).
Wind described in the utility model/light combination generating to storage battery (group) charge-discharge control circuit as shown in Figure 2.Photovoltaic cell component output fills diode D2 by counnter attack and charging field effect transistor Q6 charges to storage battery (group), charge simultaneously field effect transistor, inductance and diode formed so-called Buck circuit, by pulse-width modulation (PWM) signal of control single chip computer output, realize maximal power tracing.The alternating current of wind-driven generator output, the bridge commutating of leading up to obtains direct voltage, fills diode D2 and charging field effect transistor Q6 accumulators (group) charging through counnter attack; Another road is by field effect transistor Q2, Q4 and unloading resistance R 8.If the voltage of storage battery (group) reaches blower fan unloading magnitude of voltage, open Q2, the Q4 pipe makes the blower fan unloading, stop storage battery (group) is charged; Otherwise, forbid that unloading recovers charging.Discharge field effect transistor Q10 is the discharge switch of storage battery (group).During discharge, be protection storage battery (group), when the voltage of Q10 was pressed less than overdischarge, discharge switch ended, and cut off the loop of storage battery (group) and load, avoided putting and damaged.Have only when the voltage of storage battery (group) is raised to float charge voltage again, discharge switch is conducting again, connects with load high-power LED chip and Thermal Electric Cooler (TEC).
Described control circuit is installed in the cabinet, and panel installs voltmeter, ammeter, regulator potentiometer, switch, output wiring terminal and red, green LED indicator light additional.
Present embodiment is when described wind/when light combination generating can't provide electric power, utility model designer proposed the adjustable D.C. regulated power supply of available access electrical network to high-power LED chip and Thermal Electric Cooler (TEC) power supply.As shown in Figure 3, described power supply mainly comprises integrated package of pressure-stabilizing LM723 (or MC1723 etc.), includes circuit such as start-up circuit, constant-current source, benchmark source of stable pressure, overcurrent protection.Accessory circuits such as external high-power adjustment pipe, the continuously adjustable burning voltage of exportable 0～30 V, maximum output current are 5 A, have overcurrent protection function, are high-power LED chip and Thermal Electric Cooler (TEC) power supply.
During normal the use, the potentiometer W that adjusts among Fig. 3 can regulate output voltage in 0～30 V scope.When output generation overcurrent or short circuit; the pressure drop at R1 two ends is greater than 0.6 V; Q3, Q4 conducting; D7 conducting this moment; the 13 pin voltages of integrated package of pressure-stabilizing LM723 descend near 0 V, inner testing circuit action, 11 pin output HIGH voltages, 30 V; Q1, Q2(C2819,2N3395 etc.) by causing no-voltage output, protection load and source of stable pressure itself.Again start just has output.Should install enough big fin additional during the circuit welding, do not burnt out in the time of could guaranteeing to adjust pipe Q1 output rated current.
Further described adjustable DC-stabilized circuit and aforesaid control circuit are installed in the same cabinet, the output of described adjustable D.C. regulated power supply is by two double-point double-throw switchs, and switching mutually between the output of described wind/light combined generating system controller.
The volume of existing led chip is little, and luminous efficiency generally is not very high, and the electric energy overwhelming majority of input changes heat into, so chip cooling is the key technology of LED encapsulation.
Described great power LED temperature-control circuit (as Fig. 4) mainly comprises led chip, thermistor (Pt resistance etc.), semiconductor thermoelectric refrigeration device (TEC), integrated transporting discharging chip, resistance and triode etc., constitutes closed control circuit by them; Also to use heat sink (copper and copper alloy etc.), low-temperature lead-free solder (tin etc.), fluorescent material etc.
Fig. 4 is a temperature-control circuit, and the thermistor Rt in the LED assembly has negative temperature coefficient, resistance Rt=10 k～12 k in the time of 20 ℃, ≈-0.5/ ℃ of Δ Rt/ Δ T.Rt and Rl, R2, R3 forms electric bridge, and its output voltage is added to the homophase and the inverting input of differential amplifier.Under certain temperature, electric bridge reaches balance.Its temperature also raise when power drives LED was luminous, and the Rt resistance descends, the terminal voltage V of resistance R t
RtDescend, just the end of oppisite phase current potential of integrated transporting discharging descends, and the in-phase end current potential is constant, and the input pressure drop increases, and output end voltage is for just.BGl, BG2 forward conduction are by semiconductor thermoelectric refrigeration device TEC(resistance R c) electric current increase, refrigerating capacity increases, the temperature of led chip is descended, it is luminous under a more stable temperature finally to keep led chip, has guaranteed reliability, prolongs its useful life.
The technology that described LED produces white light has: blue chip (as GaN upside-down mounting, positive cartridge chip etc.)+gold-tinted fluorescent material (YAG, TAG etc.) becomes white light; The luminous colour mixture of BY twin-core sheet becomes white light or RGB three primary colors chip light emitting colour mixture to become white light; UV chip+luminous colour mixture of RGB three primary colors fluorescent powder becomes white light etc.MODEL OF THE PHOSPHOR PARTICLE SIZE is reasonable, and the epoxy resin adhesiveness is suitable, is satisfied with the coupling of the refractive index of chip, air.
Described semiconductor thermoelectric refrigeration device (TEC) can be selected the TEC device of binary (Bi2Te3-Sb2Te3 and Bi2Te3-Bi2Se3) or ternary (Bi2Te3-Sb2Te3-Sb2Se3) solid-solution material, and should not select the refrigerator that contains heavy metal materials such as Cu for use, its watt level and dimensional structure can deciding according to selected led chip, if led chip has a plurality of, then refrigerator also can have a plurality of.
The gross power of further described whole led chips and refrigerator (TEC), should with the input power of the power or the electrical network of aforesaid wind and solar hybrid generating system, and the efficient of charge-discharge control circuit, adjustable direct current regulation circuit, temperature-control circuit and storage battery coupling, and the voltage of led chip and refrigerator (TEC), electric current should coincide with voltage, the electric current of power supply unit.
Described the utility model, at the abundant area of wind resource, use wind-driven generator by intelligent DC controller and storage battery to led chip and refrigerator power supply, can simplified system and reduce cost.If led chip quantity is few, uses photovoltaic cell (group) directly to power separately, thereby simplified whole system to led chip and refrigerator by the intelligent DC controller.
Described the utility model belongs to renewable green energy resource and the energy-conserving and emission-cutting technology that China and even world other countries press for.Be applicable to the illumination in indoor and outdoor places such as family, classroom, office building, stadiums, tunnel, subway transportation, road, be particularly suitable for the illuminator on the ground of electrical network inconvenience extensions such as island, high mountain, grassland, desert, have significant application, economy and social value.
Claims (2)
1. wind, light, the great power LED constant temperature illuminator that the combination of net electricity drives, it is characterized in that: include solar cell, wind-driven generator, the intelligent DC controller, storage battery, and temperature-control circuit, described solar cell, the electric power of wind-driven generator is linked into intelligent DC controller transformation, rectification, filtering, be transported to storage battery after the voltage stabilizing, described intelligent DC controller also inserts with electrical network and is connected, the power output end of described intelligent DC controller drives and connects great power LED and temperature-control circuit, the high-power LED chip that includes in this temperature-control circuit, and the semiconductor thermoelectric refrigeration device that cooperates installation with great power LED.
2. the great power LED constant temperature illuminator that a kind of wind according to claim 1, light, the combination of net electricity drive is characterized in that: the closed control circuit of described temperature-control circuit for being made of high-power LED chip, thermistor, semiconductor thermoelectric refrigeration device, integrated transporting discharging chip, resistance and triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205704982U CN201830493U (en) | 2010-10-21 | 2010-10-21 | High-power LED (light-emitting diode) constant-temperature lighting system driven by combination of wind, light and grid electricity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205704982U CN201830493U (en) | 2010-10-21 | 2010-10-21 | High-power LED (light-emitting diode) constant-temperature lighting system driven by combination of wind, light and grid electricity |
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| CN201830493U true CN201830493U (en) | 2011-05-11 |
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| CN2010205704982U Expired - Fee Related CN201830493U (en) | 2010-10-21 | 2010-10-21 | High-power LED (light-emitting diode) constant-temperature lighting system driven by combination of wind, light and grid electricity |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8888328B2 (en) | 2012-12-12 | 2014-11-18 | Orbotech Ltd. | Light engine |
| CN104281172A (en) * | 2014-09-27 | 2015-01-14 | 无锡市恒通智能交通设施有限公司 | Temperature controller for intelligent traffic streetlamp |
| CN108777038A (en) * | 2018-08-31 | 2018-11-09 | 广东绿网新能源科技有限公司 | Lock to intelligent car position and its use verification method |
-
2010
- 2010-10-21 CN CN2010205704982U patent/CN201830493U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8888328B2 (en) | 2012-12-12 | 2014-11-18 | Orbotech Ltd. | Light engine |
| CN104281172A (en) * | 2014-09-27 | 2015-01-14 | 无锡市恒通智能交通设施有限公司 | Temperature controller for intelligent traffic streetlamp |
| CN108777038A (en) * | 2018-08-31 | 2018-11-09 | 广东绿网新能源科技有限公司 | Lock to intelligent car position and its use verification method |
| CN108777038B (en) * | 2018-08-31 | 2024-04-09 | 广东绿网新能源科技有限公司 | Intelligent parking space ground lock and use verification method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20121021 |