CN204377181U - Light-operated electricity-saving dimming LED - Google Patents
Light-operated electricity-saving dimming LED Download PDFInfo
- Publication number
- CN204377181U CN204377181U CN201420437398.0U CN201420437398U CN204377181U CN 204377181 U CN204377181 U CN 204377181U CN 201420437398 U CN201420437398 U CN 201420437398U CN 204377181 U CN204377181 U CN 204377181U
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- led
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- triode
- power supply
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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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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Light-operated electricity-saving dimming LED according to the brightness of outdoor optical intensity adjustment LED, eliminates ubiquitous altar lamp phenomenon, saves energy vision protection automatically.Original LED DC power supply increases following circuit: a light-sensitive element, two-stage Darlington transistor see-saw circuit, export and directly connect LED lamp bead.Having resistance capacitance to eliminate interference prevents lamp from glimmering.Light adjusting circuit and DC power supply are with on the circuit board be contained in LED shell, and light-sensitive element is contained in outside lamp housing or crown top of burner top; Light-operated electricity-saving dimming LED is made up of 9 parts: photosensitive input block D1, R2, R1 in Fig. 1, the first order darlington amplifying circuit parts T1, T2, R4, the second level darlington amplifying circuit parts T3, T4, anti-flicker circuit parts C1, R3, LED lamp bead, DC power supply, heat-dissipating casing, the crown top of burner, lamp screwed union, its profile is shown in that Fig. 2 is substantially identical with common LED lamp profile.
Description
Technical field
The utility model electronic technology field, is specifically related to light-operated electricity-saving dimming LED, has the feature of environmental protection and energy saving.
Background technology
The proposition of problem: at present LED has been the developing direction of whole world lighting, and constantly to reduce and day by day universal along with cost.But in government bodies, ubiquity altar lamp phenomenon in public institution and all kinds of public building, this is the extensively large problem existed in decades, no matter outdoor whether bright spring day in a lot of common rooms, remain unchanged in room illuminating lamp standard-sized sheet, and this just causes a large amount of wastes of electric energy, although LED itself is more energy-conservation than other light fixtures, but be still power consumption major part from the whole society, this does not have consumption that is seasonal and timeliness.So, should employ new technology further, to greatest extent energy savings, meet the general objective that whole world environmental protection reduces global greenhouse effect.Government promotes power-saving technology and innovation energetically, has the award of policy and fund to help.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of light-operated electricity-saving dimming LED.
The technical scheme of the utility model technical solution problem is as follows: a kind of light-operated Automatic continuous electricity-saving dimming LED, comprise lamp housing, the crown top of burner and light-operated light adjusting circuit, it is characterized in that: light-operated light adjusting circuit is arranged on the circuit board in lamp housing, coexist on one piece of circuit board with LED DC power supply, light-operated light adjusting circuit comprises photodiode D1, resistance R1 ~ R4, triode T1 ~ T4, LED lamp bead D2 and capacitor C1, wherein one end of resistance R2 connects the positive pole of LED DC power supply, the other end connects the negative pole of photodiode D1, one end of the positive pole contact resistance R1 of photodiode D1, the other end of resistance R1 connects the negative pole of LED DC power supply, the base stage of the positive pole of photodiode D1 also connecting triode T1, the base stage of the emitter connecting triode T2 of triode T1, the collector electrode of the collector electrode connecting triode T2 of triode T1, one end of resistance R3 and one end of resistance R4, the emitter of triode T2 connects the negative pole of LED DC power supply, the other end of resistance R3 connects one end of electric capacity C1 and the base stage of triode T3, the other end of electric capacity C1 connects the negative pole of LED DC power supply, the other end of resistance R4 connects the positive pole of LED DC power supply, the base stage of the emitter connecting triode T4 of triode T3, the collector electrode of collector electrode connecting triode T4 of triode T3 and the negative pole of LED lamp bead D2, the emitter of triode T4 connects the negative pole of LED DC power supply, the positive pole of LED lamp bead D2 connects the positive pole of LED DC power supply.
Further, resistance R1, R2 are the resistance of 1/8 ~ 1 watt, fixed with LED watt level.
Further, triode T1 and T2 forms first order darlington amplifying circuit, the single tube being two single tubes or fitting together, collector electrode is resistance to be pressed between 40 ~ 400 volts, power is between 1 watt to 40 watts, resistance R4 power is between 1/2 ~ 2 watt, and resistance is between 0.1 ~ 30k ohm, fixed with LED watt level.
Further, triode T3 and T4 forms second level darlington amplifying circuit, the single tube being two single tubes or fitting together, and collector electrode is resistance to be pressed between 40 ~ 400 volts, and power is between 5 watts to 300 watts, fixed with LED watt level.
Further, capacitor C1 is used for anti-flicker, is resistance toly pressed between 40 ~ 400 volts, and capacity is between 50 to 300 microfarads, and resistance R3 is the resistance of 1/4 watt to 2 watts, fixed with LED watt level.
Further, the voltage of LED DC power supply is between 12 volts to 400 volts, and power output is between 3 watts to 300 watts.
Further, the crown top of burner is dome-type or fluorescent lamp cast, and lamp housing is aluminum hull or plastic housing.
Further, LED lamp bead makes the arrangement of fluorescent lamp cast, and power is between 3 watts to 300 watts.
Implementation method: former light-operated lighting light fixture can only have out and close two states, this technology utilizes electronic technology and light-sensitive element, the brightness of LED can be regulated according to outdoor optical line strength Automatic continuous, all light fixture is turned off when sunlight is strong, standard-sized sheet light fixture time dark, the brightness during cloudy day changes automatically.For the LED of 5W, measure input AC electric current with alternating-current meter, all lights on and all lights off electric current is respectively 36 milliamperes and 6 milliamperes, brightness flicker free.So just achieve obvious power savings.This technology can not change original LED power circuit, is applicable to not light modulation and tunable optical power supply.DC voltage range 3-300V, power 3-500 watt.
Economic and Efficiency Analysis: this photo-controlled electricity-saving LED only increases less than 2 yuans than other LED costs.Calculate with a public buildings illumination power consumption 100KW, if there is altar lamp phenomenon in this half room, building, then economize on electricity at about 25KW, the one day 10 hours 250KWH that can economize on electricity, within 1 year, calculated economize on electricity 75000KWH with 300 days, the electricity charge about 75000 yuan.
In addition, light also can be made soft according to light intensity automatic regulating lightness, make people's vision health, the eyesight of protection school student.
Actual effect is tested: by 5 watts of light-control automatic dimming LED of a reincarnate, and measure the input current of 220V AC power with alternating current ammeter, by day under sunlight weather, lamp extinguishes entirely, 6 milliamperes, electric current; After darkness, lamp is entirely bright, 36 milliamperes, electric current; Outdoor light rain or shine change or twilight time, lamp is continuous and even variation with outdoor light, and electric current steadily changes between 6-35 milliampere.And this lamp is not by the impact that other LED switches and brightness change.
The beneficial effects of the utility model are: do not change original LED power circuit, are applicable to not light modulation and tunable optical power supply, and economize on electricity obviously.
Accompanying drawing explanation
Fig. 1 is circuit structure diagram of the present utility model.
Embodiment
Operation principle: 220V electric main supply LED DC power supply, DC power supply is worked by light-operated Automatic continuous electricity-saving dimming drives LED.By the outer intensity of illumination of light-sensitive element D1 measuring chamber being arranged on LED outside, after T1, T2 amplifying signal, export to T3, the second level inverting amplifier of T4 composition, obtains enough strong Current adjustment LED size of current.
When outdoor is dark, D1 turns off completely, and T1, T2 end completely, the complete conducting of T3, T4, and LED D2 is energized completely, and electric current is maximum, and brightness reaches maximum.
When outdoor is fine day on daytime, the complete conducting of D1, the complete conducting of T1, T2, T3, T4 end completely, and electric current is minimum, and LED D2 extinguishes completely, and brightness reaches minimum.Economize on electricity maximum.
When outdoor is cloudy day, the time of raining, D1 On current changes with outdoor brightness, T1, T2 output voltage also changes, T3 with D1 input change, and T4 output current is also with T1, the change of T2 and anti-phase change, LED D2 partial current, brightness anti-phase change with outdoor brightness change.Economize on electricity obviously.
R1, R2 are the resistance for regulating photaesthesia degree.R3, C1 form RC filtering, prevent the flicker of LED.
This circuit theory is applicable to the LED of power 3W to 300w and direct current power source voltage 5V to 300V.
Claims (8)
1.
a kind of light-operated Automatic continuous electricity-saving dimming LED, comprise lamp housing, the crown top of burner and light-operated light adjusting circuit, it is characterized in that: light-operated light adjusting circuit is arranged on the circuit board in lamp housing, coexist on one piece of circuit board with LED DC power supply, light-operated light adjusting circuit comprises photodiode D1, resistance R1 ~ R4, triode T1 ~ T4, LED lamp bead D2 and capacitor C1, wherein one end of resistance R2 connects the positive pole of LED DC power supply, the other end connects the negative pole of photodiode D1, one end of the positive pole contact resistance R1 of photodiode D1, the other end of resistance R1 connects the negative pole of LED DC power supply, the base stage of the positive pole of photodiode D1 also connecting triode T1, the base stage of the emitter connecting triode T2 of triode T1, the collector electrode of the collector electrode connecting triode T2 of triode T1, one end of resistance R3 and one end of resistance R4, the emitter of triode T2 connects the negative pole of LED DC power supply, the other end of resistance R3 connects one end of electric capacity C1 and the base stage of triode T3, the other end of electric capacity C1 connects the negative pole of LED DC power supply, the other end of resistance R4 connects the positive pole of LED DC power supply, the base stage of the emitter connecting triode T4 of triode T3, the collector electrode of collector electrode connecting triode T4 of triode T3 and the negative pole of LED lamp bead D2, the emitter of triode T4 connects the negative pole of LED DC power supply, the positive pole of LED lamp bead D2 connects the positive pole of LED DC power supply.
2.
light-operated Automatic continuous electricity-saving dimming LED according to claim 1, is characterized in that: resistance R1, R2 are the resistance of 1/8 ~ 1 watt, fixed with LED watt level.
3.
light-operated Automatic continuous electricity-saving dimming LED according to claim 1, it is characterized in that: triode T1 and T2 forms first order darlington amplifying circuit, the single tube being two single tubes or fitting together, collector electrode is resistance to be pressed between 40 ~ 400 volts, power is between 1 watt to 40 watts, resistance R4 power is between 1/2 ~ 2 watt, and resistance is between 0.1 ~ 30k ohm, fixed with LED watt level.
4.
light-operated Automatic continuous electricity-saving dimming LED according to claim 1, it is characterized in that: triode T3 and T4 forms second level darlington amplifying circuit, the single tube being two single tubes or fitting together, collector electrode is resistance to be pressed between 40 ~ 400 volts, power is between 5 watts to 300 watts, fixed with LED watt level.
5.
light-operated Automatic continuous electricity-saving dimming LED according to claim 1, it is characterized in that: capacitor C1 is used for anti-flicker, is resistance toly pressed between 40 ~ 400 volts, and capacity is between 50 to 300 microfarads, resistance R3 is the resistance of 1/4 watt to 2 watts, fixed with LED watt level.
6.
light-operated Automatic continuous electricity-saving dimming LED according to claim 1, is characterized in that: the voltage of LED DC power supply is between 12 volts to 400 volts, and power output is between 3 watts to 300 watts.
7.
light-operated Automatic continuous electricity-saving dimming LED according to claim 1, is characterized in that: the crown top of burner is dome-type or fluorescent lamp cast, and lamp housing is aluminum hull or plastic housing.
8.
light-operated Automatic continuous electricity-saving dimming LED according to claim 1, is characterized in that: LED lamp bead makes the arrangement of fluorescent lamp cast, and power is between 3 watts to 300 watts.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420437398.0U CN204377181U (en) | 2014-08-01 | 2014-08-01 | Light-operated electricity-saving dimming LED |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420437398.0U CN204377181U (en) | 2014-08-01 | 2014-08-01 | Light-operated electricity-saving dimming LED |
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CN204377181U true CN204377181U (en) | 2015-06-03 |
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CN201420437398.0U Expired - Fee Related CN204377181U (en) | 2014-08-01 | 2014-08-01 | Light-operated electricity-saving dimming LED |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108934110A (en) * | 2018-08-20 | 2018-12-04 | 浙江凯耀照明股份有限公司 | Adjusting control circuit and its control method under LED light low-light level |
-
2014
- 2014-08-01 CN CN201420437398.0U patent/CN204377181U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108934110A (en) * | 2018-08-20 | 2018-12-04 | 浙江凯耀照明股份有限公司 | Adjusting control circuit and its control method under LED light low-light level |
CN108934110B (en) * | 2018-08-20 | 2020-01-31 | 浙江凯耀照明股份有限公司 | Dimming control circuit and method for LED lamp at low brightness |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20180801 |
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CF01 | Termination of patent right due to non-payment of annual fee |