CN201310774Y - LED illuminating system capable of adjusting color temperature - Google Patents

LED illuminating system capable of adjusting color temperature Download PDF

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Publication number
CN201310774Y
CN201310774Y CNU200820212166XU CN200820212166U CN201310774Y CN 201310774 Y CN201310774 Y CN 201310774Y CN U200820212166X U CNU200820212166X U CN U200820212166XU CN 200820212166 U CN200820212166 U CN 200820212166U CN 201310774 Y CN201310774 Y CN 201310774Y
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CN
China
Prior art keywords
branch road
led
control
colour temperature
white light
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CNU200820212166XU
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Chinese (zh)
Inventor
保红波
周慧君
吴波
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BYD Co Ltd
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BYD Co Ltd
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Publication date
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Priority to CNU200820212166XU priority Critical patent/CN201310774Y/en
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    • 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 relates to an LED illuminating system capable of adjusting color temperature, which comprises an AC/DC unit, a control system, a white light LED branch circuit, a red light LED branch circuit and a blue light LED branch circuit. One end of the control system is connected with an output end of the AC/DC unit, while the other end is connected with the white light LED branch circuit, the red light LED branch circuit and the blue light LED branch circuit respectively, and the control system comprises an LED driving module and brightness adjusting modules for the branch circuits. Compared with the conventional illuminating system, the LED illuminating system is capable of adjusting color temperature, is low in heat productivity, high in brightness, long in service life, simple and convenient in operation, energy-saving environment-friendly and pollution-free, and is adaptable to household illumination.

Description

The LED illuminator that a kind of colour temperature is adjustable
Technical field
The utility model relates to a kind of LED illuminator, the LED illuminator that particularly a kind of colour temperature is adjustable.
Background technology
Advantages such as volume is little, low in energy consumption because LED has, the life-span is long, fields such as display screen, Landscape Lighting, LCD backlight, stop-light, interior decoration lamp now have been widely used in, along with the continuous lifting of white light LEDs technical parameter especially luminous efficiency, its application prospect in general illumination market is also very wide.
In addition, along with growth in the living standard, people are for the also variation day by day of functional requirement of lighting, and lighting also will have certain comfortableness except satisfying normal lighting.Light fixture can send different light under the different colour temperatures: when colour temperature during less than 3000K, send warm colour light; When colour temperature is 4000K~5000K, send soft white light; When colour temperature during, send the picture coloured light of cool tone greater than 6000K.People have likes warm-toned illuminating lamp, the illuminating lamp of the then preference cool tone that has, and also along with the change of season or environment, people's this demand also can change.Its colour temperature of majority of illumination lamp is fixed in the market, can not realize any adjusting of colour temperature, thereby causes the limitation in the use.
Summary of the invention
The purpose of this utility model is to overcome single, the fixing deficiency of existing light fixture colour temperature, and a kind of LED illuminator that can the regulated at will colour temperature is provided, and this system can be according to people's hobby and the colour temperature of regulated at will system.
For achieving the above object, the utility model is taked following technical measures:
The LED illuminator that a kind of colour temperature is adjustable comprises AC/DC unit, control system, white light LEDs branch road, red-light LED branch road and blue-ray LED branch road.
Described control system one end links to each other with AC/DC unit output, and the other end links to each other with white light LEDs branch road, red-light LED branch road and blue-ray LED branch road respectively, and described control system comprises LED driver module and each branch road brightness regulation module.
The beneficial effects of the utility model are: compare with traditional illuminator, system's colour temperature is adjustable, caloric value is few, brightness is high, the life-span is long, energy-conserving and environment-protective, control simple and conveniently, pollution-free, is fit to the life staying idle at home illumination.
Description of drawings
The LED lighting system structure schematic diagram that Fig. 1 is provided for the utility model one embodiment;
The LED lighting system structure circuit diagram that Fig. 2 is provided for the utility model one embodiment;
The LED lighting system structure circuit diagram that Fig. 3 is provided for another embodiment of the utility model;
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The basic principle that the utility model colour temperature is regulated is:
Around large power white light LED, increase red-light LED and blue-ray LED, make their colour mixtures and have good thermal diffusivity uniformly by rational design, by changing the brightness of red-light LED or blue-ray LED, whole illuminator can be transformed to warm white or cold white light by pure white light, can realize the adjustable of illuminator colour temperature.
Be the realization above-mentioned functions, and consider the flexibility of operation that adopt the mode of pulsewidth modulation, thereby simple to operation, colour temperature is adjustable continuously; In addition, the utility model also can be regulated the brightness of white light LEDs.
As shown in Figure 1, the LED illuminator that provided of the utility model one embodiment comprises AC/DC unit 100, control system 101, white light LEDs branch road 110, red-light LED branch road 120 and blue-ray LED branch road 130.
Control system 101 1 ends link to each other with AC/DC unit 100 outputs, and the other end links to each other with white light LEDs branch road 110, red-light LED branch road 120 and blue-ray LED branch road 130 respectively.
Control system 101 comprises LED driver module and each branch road brightness regulation module.Control system 101 is exported control signals, and the control signal of output is carried out pulsewidth modulation, thus the brightness of control LED branch road.Wherein AC/DC unit 100 can be transformer, Switching Power Supply or other forms of step-down rectifier module.
In one embodiment, the LED illuminator that colour temperature is adjustable also further comprises the regulating system (not shown) that links to each other with each branch road adjustment module.
In one embodiment, the regulating system (not shown) can be the adjusting knob of at least one.
As shown in Figure 2, the LED lighting system structure circuit that provided of the utility model one embodiment comprises 220V input ac power, transformer 201, rectifier bridge 202, filter capacitor C1, white light LEDs control system, white light LEDs branch road 110, red-light LED control system, red-light LED branch road 120, blue-ray LED control system, blue-ray LED branch road 130;
Wherein, control system 101 comprises white light LEDs control system, red-light LED control system, blue-ray LED control system.
Wherein, AC/DC unit 100 comprises transformer 201, rectifier bridge 202 and filter capacitor C1, and the 220V input ac power provides mild direct current for control system 101 after transformer 201 step-downs, bridge rectifier 202, capacitor C 1 filtering.
Wherein, the white light LEDs control system comprises controller 1, the adjustable resistance R1 that links to each other with controller 1; The red-light LED control system comprises controller 2, the adjustable resistance R2 that links to each other with controller 2; The blue-ray LED control system comprises controller 3, the adjustable resistance R3 that links to each other with controller 3.The present embodiment controller used thereby is the LED constant-current driven chip with pulsewidth modulation function, by adjusting the resistance of its external adjustable resistance, can change the dutycycle that drives signal, thereby the change of control LED brightness, reach the purpose of regulating colour temperature, and the knob of the regulating system (not shown) outside this adjustable resistance and the system links to each other, and makes things convenient for controlling of people.
In one embodiment, outside adjusting knob has 3, is respectively applied for the change of control white light LEDs branch road 110, red-light LED branch road 120 and 130 brightness of blue-ray LED branch road.
In addition, in the above-described embodiments, white light LEDs branch road 110 comprises several large power white light LEDs that is serially connected, and for the LED illuminator provides the lighting source of high brightness, high stability, energy-conserving and environment-protective, the brightness of this white light LEDs branch road 110 can be passed through the knob regulated at will.
In addition, in the above-described embodiments, red-light LED branch road 120 comprises the red-light LED that several model power are identical, and the Extra Section protecting component by the brightness of controller 2 (222) control break LED, can make illuminator be changed to warm white by pure white light;
In addition, in the above-described embodiments, blue-ray LED branch road 130 comprises the blue-ray LED that several model power are identical, and the Extra Section protecting component by the brightness of controller 3 (232) control break LED, can make illuminator be changed to cold white light by pure white light.
As shown in Figure 3, the LED lighting system structure circuit that provided of another embodiment of the utility model comprises Switching Power Supply 301, single-chip microcomputer 302, pushbutton unit 303, white light LEDs branch road 110, red-light LED branch road 120 and blue-ray LED branch road 130.
Wherein, what AC/DC unit 100 adopted is Switching Power Supply 301, and it can provide required driving DC voltage for subsequent conditioning circuit; Used control system 101 is a single-chip microcomputer 302, and regulating system is a pushbutton unit 303; Described LED branch road is a metal-oxide-semiconductor and adds several corresponding LED compositions, for illuminator provides lighting source or reconciles the used light source of colour temperature.
In one embodiment, single-chip microcomputer 302 can be selected the AT89S52 circuit for use.
In one embodiment, pushbutton unit 303 comprises white light, ruddiness and blue-ray LED options button and colour temperature adjusting operating key, and described LED options button also can be a toggle switch, and described colour temperature is regulated operating key and comprised "+" key and "-" key.Described single-chip microcomputer 302 at first receives the adjusting control information of pushbutton unit 303, when certain the options button button in three looks is pressed, single-chip microcomputer 302 monitors the situation of change of "+" key and "-" key by internal processes, call the metal-oxide-semiconductor conducting of corresponding control programs according to the button situation of change then, change thereby control corresponding LED brightness with correspondence.
In one embodiment, the method for the adjusting brightness of single-chip microcomputer 302 is the pulsewidth modulation method, promptly changes the ON time of metal-oxide-semiconductor by the size that changes the output pulse duty factor, thereby changes the brightness of LED branch road.
In one embodiment, both can regulate the luminosity of white light LEDs branch road 110 separately, be used for different brightness of illumination demands, also can regulate the brightness of white light and other one or both LED respectively, make illuminator to change to warm white or cold white light by positive white light arbitrarily.
More than general introduction and the detailed description of specific embodiment is all exemplary in nature, be for characteristics of the present utility model and advantage are described, those skilled in the art should understand that, under the situation that does not break away from principle of the present utility model and spirit, can make variation in these one exemplary embodiment, scope of the present utility model is defined within claims and their equivalent.

Claims (9)

1, the adjustable LED illuminator of a kind of colour temperature is characterized in that, comprises AC/DC unit, control system, white light LEDs branch road, red-light LED branch road and blue-ray LED branch road;
Described control system one end links to each other with AC/DC unit output, and the other end links to each other with white light LEDs branch road, red-light LED branch road and blue-ray LED branch road respectively, and described control system comprises LED driver module and each branch road brightness regulation module.
2, the adjustable LED illuminator of colour temperature as claimed in claim 1 is characterized in that, described control system is exported control signal, and the control signal of output is carried out pulsewidth modulation, thus the brightness of control LED branch road.
3, the adjustable LED illuminator of colour temperature as claimed in claim 1 is characterized in that, wherein said AC/DC unit can be the step-down rectifier module of transformer or Switching Power Supply form.
4, the adjustable LED illuminator of colour temperature as claimed in claim 1 is characterized in that, described white light LEDs branch road comprises several large power white light LEDs.
5, the adjustable LED illuminator of colour temperature as claimed in claim 1 is characterized in that, described red-light LED branch road comprises several red-light LEDs.
6, the adjustable LED illuminator of colour temperature as claimed in claim 1 is characterized in that, described blue-ray LED branch road comprises several blue-ray LEDs.
7, the adjustable LED illuminator of colour temperature as claimed in claim 1 is characterized in that, also further comprises the regulating system that links to each other with each branch road adjustment module.
8, the adjustable LED illuminator of colour temperature as claimed in claim 7 is characterized in that, described regulating system can be the adjusting knob of at least one.
9, the adjustable LED illuminator of colour temperature as claimed in claim 7 is characterized in that, described regulating system can be pushbutton unit.
CNU200820212166XU 2008-09-24 2008-09-24 LED illuminating system capable of adjusting color temperature Expired - Lifetime CN201310774Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU200820212166XU CN201310774Y (en) 2008-09-24 2008-09-24 LED illuminating system capable of adjusting color temperature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU200820212166XU CN201310774Y (en) 2008-09-24 2008-09-24 LED illuminating system capable of adjusting color temperature

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101968179A (en) * 2010-11-16 2011-02-09 山东华盈电力能源发展有限公司 LED lighting lamp capable of adjusting color temperature
CN102289944A (en) * 2011-06-08 2011-12-21 营口春港实业有限公司 Intelligent flash solar guiding screen
CN103471027A (en) * 2013-09-25 2013-12-25 黄诵卫 Adjustable-color-temperature LED (Light Emitting Diode) light source module
CN103718650A (en) * 2011-08-16 2014-04-09 三星电子株式会社 Led device having adjustable color temperature
CN103836418A (en) * 2014-03-07 2014-06-04 上海亚明照明有限公司 High-light-effect and ultra-high-color-development high-voltage alternating-current warm white LED (light emitting diode) and acquisition method thereof
CN104747942A (en) * 2015-03-23 2015-07-01 安徽兆利光电科技有限公司 LED lamp current conversion device
CN104837270A (en) * 2015-05-18 2015-08-12 泉州师范学院 Scene simulation lighting system
CN106205419A (en) * 2016-08-31 2016-12-07 闫庭硕 The adjustable light display device of backlight
CN106535408A (en) * 2016-11-29 2017-03-22 深圳市裕富照明有限公司 LED light-emitting assembly

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101968179A (en) * 2010-11-16 2011-02-09 山东华盈电力能源发展有限公司 LED lighting lamp capable of adjusting color temperature
CN102289944A (en) * 2011-06-08 2011-12-21 营口春港实业有限公司 Intelligent flash solar guiding screen
CN103718650A (en) * 2011-08-16 2014-04-09 三星电子株式会社 Led device having adjustable color temperature
CN103471027A (en) * 2013-09-25 2013-12-25 黄诵卫 Adjustable-color-temperature LED (Light Emitting Diode) light source module
CN103836418A (en) * 2014-03-07 2014-06-04 上海亚明照明有限公司 High-light-effect and ultra-high-color-development high-voltage alternating-current warm white LED (light emitting diode) and acquisition method thereof
CN103836418B (en) * 2014-03-07 2016-06-08 上海亚明照明有限公司 High-voltage alternating warm white LED and the preparation method thereof of high light efficiency superelevation colour developing
CN104747942A (en) * 2015-03-23 2015-07-01 安徽兆利光电科技有限公司 LED lamp current conversion device
CN104837270A (en) * 2015-05-18 2015-08-12 泉州师范学院 Scene simulation lighting system
CN106205419A (en) * 2016-08-31 2016-12-07 闫庭硕 The adjustable light display device of backlight
CN106535408A (en) * 2016-11-29 2017-03-22 深圳市裕富照明有限公司 LED light-emitting assembly

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Granted publication date: 20090916

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