CN201170458Y - Microcomputer DC multipurpose high-power LED illumination energy-saving lamp - Google Patents

Microcomputer DC multipurpose high-power LED illumination energy-saving lamp Download PDF

Info

Publication number
CN201170458Y
CN201170458Y CNU2008200186458U CN200820018645U CN201170458Y CN 201170458 Y CN201170458 Y CN 201170458Y CN U2008200186458 U CNU2008200186458 U CN U2008200186458U CN 200820018645 U CN200820018645 U CN 200820018645U CN 201170458 Y CN201170458 Y CN 201170458Y
Authority
CN
China
Prior art keywords
connects
source
microcontroller mcu
power
circuit
Prior art date
Application number
CNU2008200186458U
Other languages
Chinese (zh)
Inventor
杨书水
Original Assignee
杨书水
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 杨书水 filed Critical 杨书水
Priority to CNU2008200186458U priority Critical patent/CN201170458Y/en
Application granted granted Critical
Publication of CN201170458Y publication Critical patent/CN201170458Y/en

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The utility model discloses a multipurpose high-power LED energy-saving lamp, pertaining to the field of electric lighting, comprising a main body (1), a control circuit board (5), a LED illuminating device (8), a reflecting cover body (9), etc. The positive and negative electrodes of a power cord (2) are connected with the positive and negative electrodes of a DC power supply; the other end of the power cord (2) is connected with the control circuit board (5); the LED illuminating device (8) is installed on a heat distribution plate (6); a temperature sensor (12) is mounted on the backface of the control circuit board (5); the control circuit board (5) and the heat distribution plate (6) are installed inside an enclosure in interval; the reflecting cover body (9) is mounted at the lower end of the heat distribution plate (6); and a water-proof transparent cover (10) is mounted at the bottom end of the enclosure. Compared with incandescent lamps, the utility model can save power by 80 percent under the condition of equal optical efficiency and the service life is 33.3 times of that of the incandescent lamps; and the utility model also has many other advantages.

Description

Direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer
Technical field
Direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer.Belong to the power lighting field.
Background technology
Current domestic and international, when AC outage, or under the occasion of no alternating current, the multipurpose lighting lamp of employing mainly contains: the dc inversion alternating current circuit presses inversion to convert the alternating voltage power supply to accumulator DC.Adopt the luminous incandescent lamp of tungsten filament, or the electricity-saving lamp of the luminous startup light-emitting phosphor of tungsten filament, and the luminous electricity-saving lamp of three primary colors fluorescent powder.Its common feature is to adopt tungsten filament luminescent material and luminescence technology.What the power supply power supply was adopted is dc inversion interchange technology.Its shortcoming is the tungsten filament luminescent material, and the electric energy with 90~97 converts heat exhaustion to and distributes waste, and dc inversion equipment also produces a large amount of heats and distributes the consumption waste simultaneously.Cause battery to need big capacity, large volume, charging times is many, consumes waste electric power resource in short supply.
In sum, present all kinds of multipurpose lighting lamps, it is low to exist electric energy convert light efficient, and power consumption is big, and the battery loss is big, and service life is short, causes a large amount of electric power resource consumption wastes, and accumulator material consumption waste.Be badly in need of in this field, little power consumption, volume is little, high brightness, illumination is long perdurabgility, new luminescent material and luminescence technology, save dc inversion and exchange sport technique segment, directly adopt the multipurpose lighting of DC low-voltage power supply, the renewal product of novel power saving illuminating lamp.Change the difficult problem of present multipurpose lighting power consumption waste.
The utility model content
The technical problems to be solved in the utility model is: overcome the problem that prior art exists, provide and compare economize on electricity 80% under the equal light efficiency condition of a kind of its electric energy and white heat, compare under its service life and the equal power utilization environment of incandescent lamp, up to 33.3 times more than direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer.
The technical scheme that its technical problem that solves the utility model adopts is: this direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer, it is characterized in that: comprise the lamp body main body, power line, dc source, shell, control circuit board, heat sink, the inner chamber ventilating heat dissipating hole, the LED luminescent device, reflecting shade body, the waterproof translucent cover, the ventilation for enclosures louvre, temperature sensor, the positive pole that the positive pole of power line is connected dc source, the negative pole of power line connects the negative pole of dc source, the power line other end links to each other with control circuit board, the LED luminescent device is installed on the heat sink, temperature sensor is installed in the back side of control circuit board, control circuit board, heat sink is installed in the enclosure at interval, reflecting shade body is installed in the heat sink lower end, the waterproof translucent cover is installed in the shell bottom, shell is provided with the ventilation for enclosures louvre, and heat sink is provided with the inner chamber ventilating heat dissipating hole.
Dc source is battery BAT or wide cut degree dc source.
A plurality of direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer adopt ranks combination or dot matrix square type to be combined as intense light source.
Electric source filter circuit is set on the control circuit board, microcontroller MCU power circuit, microcontroller MCU, LED luminescent device temperature sensing circuit, the LED illuminating circuit, constant-current drive circuit, the loop current testing circuit, electric source filter circuit one tunnel connects microcontroller MCU power circuit and links to each other with microcontroller MCU working power input, another road connects the LED illuminating circuit, constant-current drive circuit, the loop current testing circuit links to each other with the input pin of microcontroller MCU, the loop current testing circuit links to each other with constant-current drive circuit with the output control pin of microcontroller MCU, and the output pin of LED luminance temperature testing circuit links to each other with microcontroller MCU.
Operation principle:
It is luminous to capture the incandescent lamp tungsten filament that existing multipurpose lighting lamp exists, light-emitting phosphor, and the device of three primary colors fluorescent powder principle of luminosity, the electric energy convert light efficient that causes is low, and it is big that the electric energy heat distributes power consumption, the difficult problem of waste electric power resource.Capture and save sport technique segment and the equipment that dc inversion exchanges, reduce accumulator capacity and volume, reduce charging times, increase the service life, save the difficult problem of electric power resource in short supply.With the positive pole of power line, connect the positive pole of battery BAT, or the positive pole of wide cut degree dc source, with the negative pole of power line, connect the negative pole of battery BAT, or the negative pole of wide cut degree dc source, through control circuit, luminous by microcontroller MCU control pressure regulation constant-current driving LED luminescent device.Optically focused reflection through reflecting shade body sees through the waterproof transparent cover, realizes ambient lighting.
The beneficial effect of this patent is: directly adopt direct-flow storage battery or the illumination of input wide cut degree DC-voltage supply, save dc inversion and exchange sport technique segment and equipment.But intense light source ranks combinations, dot matrix square type compound mode makes up the intensity of required light source arbitrarily, satisfies the requirement of different needs occasion.All components and parts all combination are installed in the lamp body shell input power cord that outward appearance has only the lamp body main body and draws.The DC voltage input range is wide.Have efficient electricity-saving, compare, under equal accumulator capacity, can economize on electricity 80%, prolong lighting hours, reduce charging times, prolong the service life of battery with traditional emergency power illuminating lamp.Save the dc inversion alternating current equipment, reduced use cost.Serviceability is reliable and stable, increases the service life, and is that traditional multipurpose lighting lamp is compared 33.3 times more than of prolongations.It is the green light source of non-environmental-pollution.
Description of drawings
Fig. 1 is the direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer structural representation;
Fig. 2 is the intense light source electricity-saving lamp structural representation of many LED luminescent device ranks combinations;
Fig. 3 is the intense light source electricity-saving lamp structural representation of many LED luminescent device dot matrix rectangle combinations;
Fig. 4 is the direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer schematic block circuit diagram;
Fig. 5 is the direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer circuit theory diagrams.
Among Fig. 1: 1 lamp body main body, 2 power lines, 3 battery BAT, 4 shells, 5 control circuit boards, 6 heat sinks, 7 inner chamber ventilating heat dissipating hole 8LED luminescent devices, 9 reflecting shade body, 10 waterproof translucent covers, 11 ventilation for enclosures louvres, 12 temperature sensor Q2.
Among Fig. 5: U1 microcontroller MCU D1 diode C1-C7 electric capacity R1-R4 resistance Q1 igbt Q2 temperature sensor L1 reactor LED luminescent device DZ1 Zener diode.
Fig. 1,4, the 5th, most preferred embodiment of the present utility model.1-5 is described further direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer below in conjunction with accompanying drawing:
The specific embodiment
Embodiment 1
With reference to Fig. 1:
This direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer, comprise lamp body main body 1, power line 2, dc source adopts battery BAT3, shell 4, control circuit board 5, heat sink 6, inner chamber ventilating heat dissipating hole 7, LED luminescent device 8, reflecting shade body 9, waterproof translucent cover 10, ventilation for enclosures louvre 11, temperature sensor 12, the positive pole that the positive pole of power line 2 is connected battery BAT 3, the negative pole that the negative pole of power line 2 is connected battery BAT 3, power line 2 other ends link to each other with control circuit board 5, luminescent device 8 is installed on the heat sink 6, control circuit board 5, heat sink 6 is installed in the shell 4 at interval, temperature sensor 12 is installed in the back side of control circuit board 5.Reflecting shade body 9 is installed in heat sink 6 lower ends, and waterproof translucent cover 10 is installed in shell 4 bottoms, and shell 4 is provided with ventilation for enclosures louvre 11, and heat sink 6 is provided with inner chamber ventilating heat dissipating hole 7.Dc source or employing wide cut degree dc source.Positive pole with power line 2, the positive pole that connects battery BAT, or the positive pole of wide cut degree dc source, negative pole with power line 2, the negative pole that connects battery BAT, or the negative pole of wide cut degree dc source, luminous through microcontroller MCU control pressure regulation constant-current driving LED luminescent device 8, temperature sensor 12 detects the operating temperature of LED luminescent device 8, is controlled the operating temperature of LED luminescent device 8 automatically by microcontroller MCU.By the loop current of microcontroller MCU detection LED luminescent device, stable control constant current driving frequency.Optically focused reflection through reflecting shade body 9 sees through the waterproof transparent cover, realizes ambient lighting.
With reference to Fig. 4:
Electric source filter circuit is set on the control circuit board, microcontroller MCU power circuit, microcontroller MCU, LED luminescent device temperature sensing circuit, the LED illuminating circuit, constant-current drive circuit, the loop current testing circuit, electric source filter circuit one tunnel connects microcontroller MCU power circuit and links to each other with microcontroller MCU working power input, another road connects the LED illuminating circuit, constant-current drive circuit, the loop current testing circuit links to each other with the input pin of microcontroller MCU, the loop current testing circuit links to each other with constant-current drive circuit with the output control pin of microcontroller MCU, and the output pin of LED luminance temperature testing circuit links to each other with microcontroller MCU.
With reference to Fig. 5:
Electric source filter circuit comprises capacitor C 1, C2, and an end of capacitor C 1 connects the positive pole of dc source, and the other end connects the negative pole of dc source, the high frequency of the filtering DC high-voltage power supply ripple of making an uproar.One end of capacitor C 2 connects the positive pole of dc source, and the other end connects the negative pole of dc source.The low frequency of the filtering DC high-voltage power supply ripple of making an uproar.
Microcontroller MCU U1 adopts Dutch Philips LPC700-900 family chip.Or adopt the HT4 chip of the U.S. LM3S of LUMINARY company family chip, the ATTINY of U.S. ATTHEL company, Taiwan Ling Yang SPMC65, Taiwan Sheng Qun company.
Microcontroller MCU power circuit comprises resistance R 1, Zener diode DZ1, capacitor C 3, microcontroller MCUU1, the end of current-limiting resistance R1 connects the positive pole of dc source, the other end connects the negative pole of Zener diode DZ1, the plus earth of Zener diode DZ1, capacitor C 5 connects 8 pin of microcontroller MCU U1.MCU provides working power for microcontroller.
LED luminescent device temperature sensing circuit comprises resistance R 2, temperature sensor Q2, capacitor C 4, microcontroller MCU U1, the base stage of temperature sensor Q2 connects colelctor electrode, the end of current-limiting resistance R2 connects the contact VDD of resistance R 1 and diode D1, the other end of resistance R 2 connects the colelctor electrode contact in parallel with filter capacitor C4 of temperature sensor Q2, after the emitter stage of temperature sensor Q2 connects the other end and interface of capacitor C 4, connect the 2 pin AD analog inputs of microcontroller MCU U1.Automatically control the temperature and the driving frequency of LED luminescent device 8 by microcontroller MCU.
Constant-current drive circuit comprises diode D1, the LED luminescent device, reactor L1, igbt Q1, microcontroller MCU U1, the negative pole of switching diode D1 connects the positive pole of the anodal back connection dc source of LED luminescent device, the positive pole of switching diode D1 connects the drain electrode of igbt Q1, the negative pole of LED luminescent device connects the input of reactor L1, the output of reactor L1 connects the drain electrode of igbt Q1, the end of the source electrode link circuit current sampling resistor R3 of igbt Q1, the other end ground connection of resistance R 3, the grid of igbt Q1 connects 6 pin of microcontroller MCU U1.Control emitting led luminescent device operating current, make LED luminescent device luminous lighting.
The loop current testing circuit comprises resistance R 3, capacitor C 7, microcontroller MCU U1, the end main road of loop current sampling resistor R3 connects the source electrode of igbt Q1, bypass connects the end of the 7 pin filter capacitor C7 of microcontroller MCU U1, the other end ground connection of resistance R 3, the other end ground connection of capacitor C 7.
On the control circuit board 5 electric source filter circuit is set, microcontroller MCU working power power supply circuits, microcontroller MCU, LED luminance temperature testing circuit, the LED emission control circuit, the constant current Drive and Control Circuit, the loop current testing circuit, electric source filter circuit one tunnel connects MCU working power power supply circuits and links to each other with microcontroller MCU power supply input pin, another road connects the LED illuminating circuit, constant-current drive circuit, the loop current testing circuit, the control line of control circuit links to each other with the input and output pin of microcontroller MCU, the control output pin of microcontroller MCU links to each other with constant-current drive circuit, and LED luminance temperature testing circuit links to each other with the input pin of microcontroller MCU.Loop current by microcontroller MCU intelligent control LED luminescent device.
Embodiment 2
With reference to Fig. 2
A plurality of direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer ranks are combined as intense light source.Be fit to the occasion illumination of needs high light.
Embodiment 3
With reference to Fig. 3
A plurality of direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer dot matrix square types are combined as intense light source.Be fit to the occasion illumination of needs high light.

Claims (9)

1, direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer, it is characterized in that: comprise lamp body main body (1), power line (2), dc source, shell (4), control circuit board (5), heat sink (6), inner chamber ventilating heat dissipating hole (7), LED luminescent device (8), reflecting shade body (9), waterproof translucent cover (10), ventilation for enclosures louvre (11), temperature sensor (12), the positive pole that the positive pole of power line (2) is connected dc source, the negative pole of power line (2) connects the negative pole of dc source, power line (2) other end links to each other with control circuit board (5), LED luminescent device (8) is installed on the heat sink (6), temperature sensor (12) is installed in the back side of control circuit board (5), control circuit board (5), heat sink (6) is installed in the shell (4) at interval, reflecting shade body (9) is installed in heat sink (6) lower end, waterproof translucent cover (10) is installed in shell (4) bottom, shell (4) is provided with ventilation for enclosures louvre (11), and heat sink (6) is provided with inner chamber ventilating heat dissipating hole (7).
2, direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer according to claim 1 is characterized in that: dc source is battery BAT (3) or wide cut degree dc source.
3, direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer according to claim 1 is characterized in that: a plurality of direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer adopt ranks combination or dot matrix square type to be combined as intense light source.
4, direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer according to claim 1, it is characterized in that: control circuit board is provided with electric source filter circuit on (5), microcontroller MCU power circuit, microcontroller MCU, LED luminescent device temperature sensing circuit, the LED illuminating circuit, constant-current drive circuit, the loop current testing circuit, electric source filter circuit one tunnel connects microcontroller MCU power circuit and links to each other with microcontroller MCU working power input, another road connects the LED illuminating circuit, constant-current drive circuit, the loop current testing circuit links to each other with the input pin of microcontroller MCU, the loop current testing circuit links to each other with constant-current drive circuit with the output control pin of microcontroller MCU, and the output pin of LED luminance temperature testing circuit links to each other with microcontroller MCU.
5, direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer according to claim 4, it is characterized in that: electric source filter circuit comprises capacitor C 1, C2, one end of capacitor C 1 connects the positive pole of dc source, the other end connects the negative pole of dc source, one end of capacitor C 2 connects the positive pole of dc source, and the other end connects the negative pole of dc source.
6, direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer according to claim 4, it is characterized in that: microcontroller MCU power circuit comprises resistance R 1, Zener diode DZ1, capacitor C 3, microcontroller MCU U1, the end of current-limiting resistance R1 connects the positive pole of dc source, the other end connects the negative pole of Zener diode DZ1, the plus earth of Zener diode DZ1, capacitor C 5 connects 8 pin of microcontroller MCU U1.
7, direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer according to claim 4, it is characterized in that: LED luminescent device temperature sensing circuit comprises resistance R 2, temperature sensor Q2, capacitor C 4, microcontroller MCU U1, the base stage of temperature sensor Q2 connects colelctor electrode, the end of current-limiting resistance R2 connects the contact VDD of resistance R 1 and diode D1, the other end of resistance R 2 connects the colelctor electrode contact in parallel with filter capacitor C4 of temperature sensor Q2, after the emitter stage of temperature sensor Q2 connects the other end and interface of capacitor C 4, connect the 2 pin AD analog inputs of microcontroller MCU U1.
8, direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer according to claim 4, it is characterized in that: constant-current drive circuit comprises diode D1, the LED luminescent device, reactor L1, igbt Q1, microcontroller MCU U1, the negative pole of switching diode D1 connects the positive pole of the anodal back connection dc source of LED luminescent device, the positive pole of switching diode D1 connects the drain electrode of igbt Q1, the negative pole of LED luminescent device connects the input of reactor L1, the output of reactor L1 connects the drain electrode of igbt Q1, the end of the source electrode link circuit current sampling resistor R3 of igbt Q1, the other end ground connection of resistance R 3, the grid of igbt Q1 connects 6 pin of microcontroller MCU U1.
9, direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer according to claim 4, it is characterized in that: the loop current testing circuit comprises resistance R 3, capacitor C 7, microcontroller MCU U1, the end main road of loop current sampling resistor R3 connects the source electrode of igbt Q1, bypass connects the end of the 7 pin filter capacitor C7 of microcontroller MCU U1, the other end ground connection of resistance R 3, the other end ground connection of capacitor C 7.
CNU2008200186458U 2008-03-13 2008-03-13 Microcomputer DC multipurpose high-power LED illumination energy-saving lamp CN201170458Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200186458U CN201170458Y (en) 2008-03-13 2008-03-13 Microcomputer DC multipurpose high-power LED illumination energy-saving lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200186458U CN201170458Y (en) 2008-03-13 2008-03-13 Microcomputer DC multipurpose high-power LED illumination energy-saving lamp

Publications (1)

Publication Number Publication Date
CN201170458Y true CN201170458Y (en) 2008-12-24

Family

ID=40209511

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008200186458U CN201170458Y (en) 2008-03-13 2008-03-13 Microcomputer DC multipurpose high-power LED illumination energy-saving lamp

Country Status (1)

Country Link
CN (1) CN201170458Y (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101532608B (en) * 2008-03-13 2010-12-01 淄博诺达网络科技有限公司 Direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer
CN101925214A (en) * 2009-06-17 2010-12-22 海洋王照明科技股份有限公司 LED constant current circuit and method
WO2014121663A1 (en) * 2013-02-07 2014-08-14 东林科技股份有限公司 Dimmable light-emitting diode lamp
CN105276386A (en) * 2015-11-24 2016-01-27 贵州剑河县复兴节能照明设备有限公司 Dust and mosquito preventing LED illuminating lamp
CN105276553A (en) * 2015-11-24 2016-01-27 贵州剑河县复兴节能照明设备有限公司 Heat dissipation-improved LED illuminating lamp structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101532608B (en) * 2008-03-13 2010-12-01 淄博诺达网络科技有限公司 Direct current multi-purpose large-power LED lighting energy-saving lamp of microcomputer
CN101925214A (en) * 2009-06-17 2010-12-22 海洋王照明科技股份有限公司 LED constant current circuit and method
CN101925214B (en) * 2009-06-17 2013-03-27 海洋王照明科技股份有限公司 LED constant current circuit and method
WO2014121663A1 (en) * 2013-02-07 2014-08-14 东林科技股份有限公司 Dimmable light-emitting diode lamp
CN105276386A (en) * 2015-11-24 2016-01-27 贵州剑河县复兴节能照明设备有限公司 Dust and mosquito preventing LED illuminating lamp
CN105276553A (en) * 2015-11-24 2016-01-27 贵州剑河县复兴节能照明设备有限公司 Heat dissipation-improved LED illuminating lamp structure

Similar Documents

Publication Publication Date Title
CN201805584U (en) Piecewise transformation input LED light source driving circuit supplied with power by alternating-current power supply
CN2685701Y (en) Light-emitting diode road lamp
CN101541116B (en) Electronic ballast of alternate current high-power LED illumination energy-saving lamp
CN102032521B (en) Light emitting diode lamp
CN101600275B (en) Working circuit of LED streetlamp
CN101827481A (en) Alternating-current power supply LED light source drive circuit with segmented conversion input
CN2884777Y (en) LED lamp driving circuit
CN102042551A (en) Light-emitting diode lamp
CN200946783Y (en) Wind-energy and solar energy complemented large power LED lighting lamp
CN201322219Y (en) Intelligent efficient and energy-saving LED street lamp
CN100547286C (en) Solar illumination intelligent controller
CN2781171Y (en) LED lighting and emergency two-used light
CN201180948Y (en) Energy-saving lamp
WO2009046615A1 (en) Light fixture
CN102230598A (en) Inducting solar lawn lamp
CN201382353Y (en) Capacitance LED emergency lighting lamp unit
CN201726558U (en) Novel LED energy-saving lamp
CN201103830Y (en) High power LED solar streetlight
KR20100009201A (en) Led consist fabricate illumination lamp
CN201174799Y (en) Electronic ballast for AC large power LED illuminating energy saving lamp
TW201113464A (en) Light emitting diode lamp
WO2009018715A1 (en) Led street lamp
CN203814012U (en) Driving circuit capable of improving LED visual lighting effect
CN201081193Y (en) Compact power-saving electronic lamp
CN201983169U (en) LED (light-emitting diode) fluorescent tube with emergency lighting function

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081224

Termination date: 20110313

C17 Cessation of patent right