CN204629310U - A kind of LED street lamp capable of purifying air and unitary module power supply - Google Patents
A kind of LED street lamp capable of purifying air and unitary module power supply Download PDFInfo
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- CN204629310U CN204629310U CN201520200548.0U CN201520200548U CN204629310U CN 204629310 U CN204629310 U CN 204629310U CN 201520200548 U CN201520200548 U CN 201520200548U CN 204629310 U CN204629310 U CN 204629310U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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Abstract
The LED street lamp a kind of capable of purifying air that the utility model provides, by producing the application of installation of negative aeroion in LED street lamp, has not only played the advantage of LED illumination, can also continue the negative aeroion producing high concentration, play the effect purified air.Comprise LED light source, unitary module power supply, negative ion discharge pin, heat-dissipating casing, unitary module power supply comprises low pressure constant current output circuit output and ac high-voltage discharge circuit output, low voltage constant current road output connects LED light source, ac high-voltage discharge circuit output connects negative ion discharge pin, negative ion discharge pin stretches out outside hole by some electric discharge pin holes that heat-dissipating casing is arranged, and electric discharge pin hole arranges rainproof joint.The utility model also provides a kind of unitary module power supply in LED street lamp, and volume is little, lightweight, can be LED illumination and provides low pressure constant current output, provides pulse ac high pressure for atmospherical discharges produces anion simultaneously.
Description
Technical field
The utility model relates to LED street lamp technical field, particularly relates to a kind of LED street lamp capable of purifying air and the unitary module power supply in LED street lamp.
Background technology
LED is solid light source of new generation, and because its life-span is long, luminous efficiency is high, and energy consumption is low, and monochromaticjty is good, makes it day by day obtain universal in field of street lamp lighting and apply widely.
Current air pollution problem is day by day serious, and the harm of air pollution on human, animals and plants and weather is many-sided.Therefore, how adopting an effective measure, improve air quality, is current problem demanding prompt solution.
Negative aeroion, also known as negative oxygen ion, refers to acquisition more than 1 or 1 an electron is negatively charged the oxygen ion of lotus.Medical research shows, negative aeroion can improve air quality, promotes healthy, is described as air " vitamin ".Electronegative negative aeroion is easy to conveying negative electrical charges such as bacterium, dust, smoke particles and water droplets in atmosphere, the material such as dust, bacterium, virus in negative electrical charge energy and in air, fall earthward with after these particles agglomerate, make foul atmosphere change into fresh peace and quiet air, thus purify air.
In prior art, the common method producing negative aeroion utilizes air negative ion generator to increase anionic in air by high-voltage corona discharge, produces certain density anion.But the general power of existing air negative ion generator is lower, the negative ion concentration of generation is low, only can improve local environment air quality, is unsuitable for in street lamp illumination system.
Utility model content
The utility model provides a kind of LED street lamp capable of purifying air, to the application of installation of negative aeroion be produced in LED street lamp, not only play the advantage of LED illumination, life-span is long, energy consumption is low, and while street lighting is provided, the negative aeroion producing high concentration can also be continued, play the effect purified air.
The utility model also provides a kind of unitary module power supply in LED street lamp, and volume is little, lightweight, can be LED illumination and provides low pressure constant current output, provides pulse ac high pressure for atmospherical discharges produces anion simultaneously.
The technical solution of the utility model is:
A kind of LED street lamp capable of purifying air, it is characterized in that, comprise LED light source, unitary module power supply, negative ion discharge pin, heat-dissipating casing, described unitary module power supply comprises low pressure constant current output circuit output and ac high-voltage discharge circuit output, described low voltage constant current road output connects LED light source, described ac high-voltage discharge circuit output connects negative ion discharge pin, described negative ion discharge pin stretches out outside hole by some electric discharge pin holes that heat-dissipating casing is arranged, and described electric discharge pin hole arranges rainproof joint.
Described negative ion discharge pin is the point discharge pin adopting carbon fiber material to make.
Described heat-dissipating casing is provided with the insulating materials of the anion contact heat-dissipating casing avoiding described negative ion discharge pin to produce.
Described LED light source is fixed on radiating bottom plate, and described radiating bottom plate and heat-dissipating casing are fixedly connected as a single entity; Heat-conducting silicone grease is scribbled between described radiating bottom plate and LED light source.
Described LED light source is high-power LED light source, and its power is 70-200W.
Described LED light source configures secondary light-distribution reflector.
The low voltage constant current road output of described unitary module power supply connects LED light source by high-temperature insulation wire.
Described heat-dissipating casing is aluminum heat-dissipating casing.
Unitary module power supply, it is characterized in that, comprise rectification circuit, low pressure constant current output circuit and ac high-voltage discharge circuit, low pressure constant current output circuit and ac high-voltage discharge circuit is connected respectively after the output parallel filtering electric capacity C1 of described rectification circuit, described low pressure constant current output circuit comprises current constant control chip U1, the VDD of described current constant control chip U1, PWMD, LD input is by electric capacity C4 ground connection, RT input is by resistance R4 ground connection, the GATE output of described current constant control chip U1 connects the grid of MOS triode Q2, CS output connects sampling resistor R
cSrear ground connection, and CS output also connects the source electrode of MOS triode Q2, and the drain electrode of MOS triode Q2 connects diode D4 positive pole, shunt capacitance C5 and energy storage inductor L1 respectively, described ac high-voltage discharge circuit comprises triode Q1, the base stage of described triode Q1 connects variable resistor R1, charging capacitor C2 and diode D2 is connected in series between the collector and emitter of triode Q1, the primary coil of the two ends connection transformer T1 of diode D2, the two ends of transformer secondary coil are connected in series commutation diode D3, electric capacity C3 and resistance R3, and the negative pole of diode D3 is the output connecting negative ion discharge pin.
The waterproofing design of described unitary module power acquisition IP65, aluminium heat-dissipating casing.
Technique effect of the present utility model:
The LED street lamp a kind of capable of purifying air that the utility model provides, not only possess the LED street lamp life-span itself long, luminous efficiency is high, and energy consumption is low, and monochromaticjty is good, fast response time, the features such as environmental protection, but also can purify air, and eliminates flue dust, removes PM2.5.
The feature of the LED street lamp capable of purifying air that the utility model provides has three, and one is energy-conservation, can save the power consumption of 80%; Two is to purify air, and eliminates flue dust, removes PM2.5, employs 6 carbon fibre heads, ensure that the negative ion concentration all the time produced in the utility model.Three is unique waterproof design, ensure that the effect that anion out of doors also can be stable.LED street lamp luminescence is one-way, does not have the diffusion of light, ensure that luminous efficiency.Also have unique secondary optical design, the illumination of LED street lamp is mapped to the region of required illumination, further increases light efficiency, to reach energy-conservation object.The modular power of independent development, while providing illumination, can inspire a large amount of anions, and the PM2.5 removed in air pollutes.The rainproof joint being applicable to carbon brush fiber of Independent Development Design.Be convenient to the installation of anion, but also carbon brush can be protected not to be subject to the erosion of rainwater.Ensure that the life-span of anion generator.
Accompanying drawing explanation
Fig. 1 is the structural representation-top view of LED street lamp capable of purifying air of the present utility model.
Fig. 2 is the structural representation-front view of LED street lamp capable of purifying air of the present utility model.
Fig. 3 is the circuit theory diagrams of unitary module power supply of the present utility model.
Reference numeral lists as follows: 1-heat-dissipating casing, 2-negative ion discharge pin, the rainproof joint of 3-, 4-LED light source, 5-reflector, 6-modular power source.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As Fig. 1, shown in Fig. 2, a kind of LED street lamp capable of purifying air, comprise LED light source 4, unitary module power supply 6, negative ion discharge pin 2, heat-dissipating casing 1, wherein, unitary module power supply 6 adopts modularized design, AC220V inputs, doubleway output, comprise low pressure constant current output circuit output and ac high-voltage discharge circuit output, low voltage constant current road output connects LED light source 4, ac high-voltage discharge circuit output connects negative ion discharge pin 2, negative ion discharge pin stretches out outside hole by some electric discharge pin holes that heat-dissipating casing is arranged, electric discharge pin hole arranges rainproof joint 3.In the present embodiment, negative ion discharge pin is the point discharge pin that have employed 6 carbon fiber materials making.Each carbon fibre tip can produce 2X10
7ppm/cm
3negative ion concentration, substantially increase anion produce concentration, the performance purified air also is improved.LED light source 4 comprises 4 LED light sources, and each LED light source evenly coats heat-conducting silicone grease, and be screwed on road lamp cooling base plate, radiating bottom plate and heat-dissipating casing are fixedly connected as a single entity; Unitary module power supply 6 is fixed in power pack, and the low voltage constant current road output high temperature insulated wire of power supply is welded on LED light source.LED light source 4 configures secondary light-distribution reflector 5, secondary light-distribution reflector 5 is screwed on light source.Heat-dissipating casing 1 sets the hole of dress carbon fibre spray point, spray point stretches out in heat-dissipating casing through hole.And heat-dissipating casing is provided with the insulating materials of the anion contact heat-dissipating casing avoiding described negative ion discharge pin to produce, because LED street lamp heat-dissipating casing is metal material, if and the anion contacting metal that spray point produces will be adsorbed, in the present embodiment, be provided with electric discharge pin hole outer surface of outer cover on be fixed with custom-designed acrylic board, acrylic board has the perforate corresponding with electric discharge pin hole, so this one deck acrylic board added, serve the effect of insulation.Electric discharge pin hole arranges rainproof joint, and its function has two: one to be to facilitate fixed carbon cellulose fiber head, is directly screwed on heat-dissipating casing; Two is the effects can playing protection carbon fibre head, rainproof, effectively extends the service life of carbon fibre head.In addition, LED light source is high-power LED light source, and its power is 70-200W.Heat-dissipating casing is aluminum heat-dissipating casing.
As shown in Figure 3, be the circuit theory diagrams of unitary module power supply of the present utility model.Unitary module power supply, comprise rectification circuit, low pressure constant current output circuit and ac high-voltage discharge circuit, low pressure constant current output circuit and ac high-voltage discharge circuit is connected respectively after the output parallel filtering electric capacity C1 of described rectification circuit, described low pressure constant current output circuit comprises current constant control chip U1, VDD, PWMD, LD input of described current constant control chip U1 is by electric capacity C4 ground connection, RT input is by resistance R4 ground connection, the GATE output of described current constant control chip U1 connects the grid of MOS triode Q2, and CS output connects sampling resistor R
cSrear ground connection, and CS output also connects the source electrode of MOS triode Q2, and the drain electrode of MOS triode Q2 connects diode D4 positive pole, shunt capacitance C5 and energy storage inductor L1 respectively; Described ac high-voltage discharge circuit comprises triode Q1, the base stage of described triode Q1 connects variable resistor R1, charging capacitor C2 and diode D2 is connected in series between the collector and emitter of triode Q1, the primary coil of the two ends connection transformer T1 of diode D2, the two ends of transformer secondary coil are connected in series commutation diode D3, electric capacity C3 and resistance R3, and the negative pole of diode D3 is the output connecting negative ion discharge pin.
The rectification circuit of power input is full-wave rectification bridge, and a rectification bridge output end filter capacitor in parallel, completes the rectifying and wave-filtering to alternating current.After 220V electric main rectifying and wave-filtering, doubleway output, one road direction C2 charging, when after C2 charging, discharge to transformer T1, after T1 induction boosting, obtain high direct voltage by the reverse rectification of D2 and produce anion, can output voltage be changed by the resistance adjusting R3, thus change the concentration of anion generation.Another road meets current constant control chip U1, VDD, PWMD, LD end of U1 connects GND end by electric capacity C4, with voltage in the sheet maintaining respective pins, the square-wave pulse signal holding output frequency certain by GATE is as switching signal gauge tap pipe Q2, its frequency holds connect resistance R4 to set by RT, and the LED current signal that the sampling resistor Rcs that pulse width is held by CS feeds back controls.Inductance L 1 plays vital effect in circuit, and for drive circuit provides filtering and energy storage and afterflow to power, with the harmony of electric current in proof load, recovery diode completes the effect building freewheeling path.Open in half cycle in switching signal, directly powered to LED load by the filtered electromotive force of prime, and to L1 charging, turn off in half cycle in switching signal, the loop energy supply be made up of to fast recovery diode, LED the L1 being full of energy, realizes in one-period, complete the lasting driving to LED.In addition, the waterproofing design of the unitary module power acquisition IP65 of independent development, aluminium heat-dissipating casing.
Claims (10)
1. a LED street lamp capable of purifying air, it is characterized in that, comprise LED light source, unitary module power supply, negative ion discharge pin, heat-dissipating casing, described unitary module power supply comprises low pressure constant current output circuit output and ac high-voltage discharge circuit output, described low voltage constant current road output connects LED light source, described ac high-voltage discharge circuit output connects negative ion discharge pin, described negative ion discharge pin stretches out outside hole by some electric discharge pin holes that heat-dissipating casing is arranged, and described electric discharge pin hole arranges rainproof joint.
2. LED street lamp capable of purifying air according to claim 1, is characterized in that, described negative ion discharge pin is the point discharge pin adopting carbon fiber material to make.
3. LED street lamp capable of purifying air according to claim 1, is characterized in that, described heat-dissipating casing is provided with the insulating materials of the anion contact heat-dissipating casing avoiding described negative ion discharge pin to produce.
4. LED street lamp capable of purifying air according to claim 1, is characterized in that, described LED light source is fixed on radiating bottom plate, and described radiating bottom plate and heat-dissipating casing are fixedly connected as a single entity; Heat-conducting silicone grease is scribbled between described radiating bottom plate and LED light source.
5. LED street lamp capable of purifying air according to claim 1, is characterized in that, described LED light source is high-power LED light source, and its power is 70-200W.
6. LED street lamp capable of purifying air according to claim 1, is characterized in that, described LED light source configures secondary light-distribution reflector.
7. LED street lamp capable of purifying air according to claim 1, is characterized in that, the low voltage constant current road output of described unitary module power supply connects LED light source by high-temperature insulation wire.
8. LED street lamp capable of purifying air according to claim 1, is characterized in that, described heat-dissipating casing is aluminum heat-dissipating casing.
9. unitary module power supply, it is characterized in that, comprise rectification circuit, low pressure constant current output circuit and ac high-voltage discharge circuit, low pressure constant current output circuit and ac high-voltage discharge circuit is connected respectively after the output parallel filtering electric capacity C1 of described rectification circuit, described low pressure constant current output circuit comprises current constant control chip U1, the VDD of described current constant control chip U1, PWMD, LD input is by electric capacity C4 ground connection, RT input is by resistance R4 ground connection, the GATE output of described current constant control chip U1 connects the grid of MOS triode Q2, CS output connects sampling resistor R
cSrear ground connection, and the source electrode connecting MOS triode Q2, the drain electrode of MOS triode Q2 connects Zener diode D4 positive pole, shunt capacitance C5 and energy storage inductor L1 respectively, described ac high-voltage discharge circuit comprises triode Q1, the base stage of described triode Q1 connects variable resistor R1, charging capacitor C2 and diode D2 is connected in series between the collector and emitter of triode Q1, the primary coil of the two ends connection transformer T1 of diode D2, the two ends of transformer secondary coil are connected in series commutation diode D3, electric capacity C3 and resistance R3, and the negative pole of diode D3 is the output connecting negative ion discharge pin.
10. unitary module power supply according to claim 9, is characterized in that, the waterproofing design of described unitary module power acquisition IP65, aluminium heat-dissipating casing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520200548.0U CN204629310U (en) | 2015-04-03 | 2015-04-03 | A kind of LED street lamp capable of purifying air and unitary module power supply |
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| CN201520200548.0U CN204629310U (en) | 2015-04-03 | 2015-04-03 | A kind of LED street lamp capable of purifying air and unitary module power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104748044A (en) * | 2015-04-03 | 2015-07-01 | 北京格林曼光电科技有限公司 | LED street lamp capable of purifying air |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748044A (en) * | 2015-04-03 | 2015-07-01 | 北京格林曼光电科技有限公司 | LED street lamp capable of purifying air |
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