CN104168689A - LED lamp control device and LED lamp control method - Google Patents

LED lamp control device and LED lamp control method Download PDF

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Publication number
CN104168689A
CN104168689A CN201410183748.XA CN201410183748A CN104168689A CN 104168689 A CN104168689 A CN 104168689A CN 201410183748 A CN201410183748 A CN 201410183748A CN 104168689 A CN104168689 A CN 104168689A
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China
Prior art keywords
chip
led light
led
controller
capacitor
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CN201410183748.XA
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Chinese (zh)
Inventor
邓振豪
胡正发
魏威
夏智锋
陈燕娜
戴晓东
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Guangdong University of Technology
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Guangdong University of Technology
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Priority to CN201410183748.XA priority Critical patent/CN104168689A/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

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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention is an LED lamp control device and an LED lamp control method, and particularly relates to an LED lamp control device capable of realizing stepless color temperature change and having an emotional adaptation function, and an LED lamp control method. The LED lamp control device of the invention comprises a controller, an LED light source module, and a display module. The controller is respectively connected with the LED light source module and the display module. The color temperature of the LED light source module can be controlled by the controller intelligently, and can be manually controlled to achieve a stepless color temperature change effect. Through current control on lamp bank elements of a combination module of white/red/green/blue LED lamps, the color temperature is enabled to change within a certain range and fit the external environment so as to achieve an emotional adjustment function and maintain a high color rendering index. The existing different modes can be controlled by control buttons on the controller to achieve the effects of modular color temperature change and stepless color temperature change, and information including color temperature and color rendering index is displayed on the display module.

Description

A kind of regulation device of LED light fixture and method
Technical field
The present invention relates to a kind of regulation device and method of LED light fixture, particularly a kind of electrodeless colour temperature changes and has LED light fixture regulation device and the method for emotional adjustment function; Be specifically related to the regulation and control scheme for LED light fixture colour temperature conversion conditioning controller.
Background technology
Mankind's illuminations, lighting source has experienced many transition.The speciality such as the New Times of lighting technology has been opened up in the development of lighting LED (Light Emitting Diode, Light-Emitting Diode) now, its superior energy-conservation, green, efficient, environmental protection cause it to become the new type light source that replaces traditional lighting.LED lamp luminous, mainly by ultraviolet excited fluorescence powder, radiation visible ray, at present, there is under the atmosphere of the mankind's participation activity LED light fixture using at workplace, home environment etc., exist the shortcoming that color rendering index is low, and lack the mechanism that can carry out according to mankind's mood wide colour temperature regulation and control, make LED light fixture in the coordination of people and luminous environment, be difficult to bring into play its maximum, most suitable effect.
Based on situation like this, insider sets about studying requirement how to bring into play LED adjustable color temperature, to some white/the combined light source module of red/green/blue LED lamp, it is carried out to current/voltage control, its colour temperature is changed in a certain enough wide scopes, and have high color rendering index quality, and the scheme that can control its colour temperature data by the controller of regulator control system.
Summary of the invention
The object of the invention is to provide a kind of colour temperature that can intelligent control LED light source module, also can pass through artificial adjustment, realizes the regulation device of the LED light fixture of the effect of electrodeless colour temperature conversion.The technical problem that the present invention mainly solves is how to realize the mixed light of LED modules with different colors lamp, reaches and can utilize the white light with high color rendering index (CRI), and have enough between wide colour temperature shift zone.
Another object of the present invention is to provide a kind of regulate and control method of how the colour temperature data of LED being controlled to realize the regulation device of the LED light fixture that can adapt to mankind's emotional change.The present invention can realize intelligent control and electrodeless colour temperature changes the effect of regulation and control.
The scheme that technical solution problem of the present invention adopts is:
The regulation device of LED light fixture of the present invention, includes controller, LED light source module, display module, and controller is connected with LED light source module and display module respectively.
Above-mentioned controller includes chip U1, crystal oscillator Y1, resistance R 1-R6, capacitor C 1-C9, row's pin JP0-JP4, in said chip U1, there are 4 pin contact resistance R3-R6, resistance R 3-R6 connects LED as current-limiting resistance, LED ground connection forms loop energising, in chip U1, all pins are equally divided into 4 groups, every group connects respectively row's pin JP1-JP4 and uses as the convenient pin being connected with components and parts, above-mentioned capacitor C 2 is connected crystal oscillator Y1 two ends and uses as crystal oscillator filter capacitor with C3, and form capacitance three-point type oscillating circuit with R2, two pins that crystal oscillator Y1 connects chip U1 provide stable clock signal to chip U1, C4 electric capacity connects the normal operation of VCAP end with the ground guarantee kernel of chip U1, capacitor C 5 and capacitor C 6 are connected in the high-frequency harmonic composition of power supply generation in the time of work of filtering analog circuit between VDDA and ground in parallel, the reset terminal that capacitor C 1 is connected to chip U1 is filter capacitor, with R1 pull-up resistor composition reset circuit, capacitor C 7, C8, C9 and be connected in power vd D and ground GND between the high-frequency harmonic composition that produces when the work as the filter capacitor filter out power of power supply.
The control method of the regulation device of LED light fixture of the present invention, controller carries out mixed light by the size of current of controlling the LED lamp of some white, four kinds of colors of red, green, blue in LED light source module 2, thereby obtains the transform data of colour temperature on a large scale with high color rendering index (CRI).
Above-mentioned controller is provided with the memory of storage colour temperature data.
The regulation device of LED light fixture of the present invention comprises controller, LED light source module, display module.Can intelligent control LED light source module colour temperature by controller, also can pass through artificial adjustment, realize the effect of electrodeless colour temperature conversion.Carry out the Current Control of lamp constituent element by the dialogue/composite module of red/green/blue LED lamp, its colour temperature can be changed within the specific limits and agree with external environment condition intelligence, to realize the function of mood regulation, and keep high color rendering index (CRI); Also can control existing different mode by the regulation and control button on controller, reach the effect that modular colour temperature changes and electrodeless colour temperature converts, and on display module, show its colour temperature, the information such as color rendering index; The present invention is a kind of LED light fixture regulation device and the method that electrodeless colour temperature changes and have emotional adjustment function, can realize by some white/red/green/blue color LED forms the mixed light of light source module, obtain the available white light with high color rendering index (CRI), have different colour temperature qualities; The present invention passes through to control colour temperature and changes, and realize with external environment condition and agreeing with, be a kind of LED light distribution scheme of the mankind's of adaptation emotional change, realize people and luminous environment harmony mutually.
Brief description of the drawings
Fig. 1 is the schematic diagram of the regulation device of LED light fixture of the present invention.
Fig. 2 is the circuit theory diagrams of controller module of the present invention.
Embodiment
the present inventionthe schematic diagram of the regulation device of LED light fixture as shown in Figure 1, includes controller 1, LED light source module 2, display module 3, and controller 1 is connected with LED light source module 2 and display module 3 respectively.
The schematic diagram of above-mentioned controller 1 as shown in Figure 2, above-mentioned controller 1 includes chip U1, crystal oscillator Y1, resistance R 1-R6, capacitor C 1-C9, row's pin JP0-JP4, in said chip U1, there are 4 pin contact resistance R3-R6, resistance R 3-R6 connects LED as current-limiting resistance, LED ground connection forms loop energising, in chip U1, all pins are equally divided into 4 groups, every group connects respectively row's pin JP1-JP4 and uses as the convenient pin being connected with components and parts, above-mentioned capacitor C 2 is connected crystal oscillator Y1 two ends and uses as crystal oscillator filter capacitor with C3, and form capacitance three-point type oscillating circuit with R2, two pins that crystal oscillator Y1 connects chip U1 provide stable clock signal to chip U1, C4 electric capacity connects the normal operation of VCAP end with the ground guarantee kernel of chip U1, capacitor C 5 and capacitor C 6 are connected in the high-frequency harmonic composition of power supply generation in the time of work of filtering analog circuit between VDDA and ground in parallel, the reset terminal that capacitor C 1 is connected to chip U1 is filter capacitor, with R1 pull-up resistor composition reset circuit, capacitor C 7, C8, C9 and be connected in power vd D and ground GND between the high-frequency harmonic composition that produces when the work as the filter capacitor filter out power of power supply.For the current difference of different-colour, chip U1 by each different current data storage in the inner, selects different mode by the button of controller, makes modulated current corresponding to chip U1 output different mode.
The power end VCC that above-mentioned pin JP0_1 connects chip U1 draws power supply, and JP0_2 connects the SWIM/PD1 of chip U1, and the earth terminal GND that JP0_3 connects chip U1 draws ground wire, and JP0_4 connects the RESET of chip U1 as the control end of reset circuit.
In the present embodiment, said chip U1 is single-chip microcomputer.Above-mentioned crystal oscillator Y1 is 16MHz crystal oscillator pin.Above-mentioned LED light source module 2 includes the LED lamp of some white, four kinds of colors of red, green, blue.
The control method of the regulation device of LED light fixture of the present invention, controller 1 carries out mixed light by the size of current of controlling the LED lamp of some white, four kinds of colors of red, green, blue in LED light source module 2, thereby obtains the transform data of colour temperature on a large scale with high color rendering index (CRI).
Several are white, the electric current of the LED lamp of four kinds of colors of red, green, blue by controlling in LED light source module 2 for above-mentioned controller 1, obtain the mixed light of light source module.When the three primary colors of red, green, blue reach certain ratio, the color rendering index of light source module can be to more than 90, and light source has good color reduction quality, and its colour temperature adjustable width is 2800K to 14000K, by controller chip storage information.
Above-mentioned controller 1 is provided with the memory of storage colour temperature data.Control chip storage colour temperature data, have with external environment condition and agree with mutually, adapt to the Based Intelligent Control pattern of mankind's mood conversion, control the size of current of some white/red/green/blue color LED composition light source modules and carry out mixed light; By the electric current of the each LED of circuit control, make red/green/blue three primary colors reach certain mixed proportion, thereby obtain the colour temperature data of wide region.Make the internal time of regulator control system identical with natural time by control chip, also can carry button by controller the time is calibrated, temporal information is shown by display module; By the difference of the mankind in different season to illumination colour temperature demand in a year and the difference of the brightness requirement of the different time mankind to light fixture in a day, the intelligent object of controller is exported different illumination colour temperature and brightness according to time-controllable LED light source module, meets human wants.
In addition, also can the modular colour temperature of manual control change and the variation of electrodeless colour temperature, and in display module, show the information such as colour temperature, color rendering index.By the timer of control chip, make to store in chip some different-colour data, different operator schemes is set, with corresponding optimum illumination colour temperatures of several scenes such as work, food and drink, sleep, leisure, the colour temperature regulation and control of operator scheme are selected by the button of controller, and display shows corresponding informance; Electrodeless pattern conversion is to select in this pattern situation, can carry out continuous colour temperature conversion by controller button and control, and show its information by display.
Controller 1 is by the control of button, and key information is caught by chip pin, and chip scans its pin, analyzes its external input information, thereby enters different patterns; Corresponding selected pattern, the corresponding electric current of illumination colour temperature that chip is exported set under this pattern, makes light source module export the illumination colour temperature having set.
As shown in Figure 2, Y1 provides stable clock signal for the normal work of chip for 16MHz crystal oscillator; R1 is the Chip-R of 10k Ω, for reset pin; R2 is 60 Ω resistance, and for crystal oscillator filter resistance, current limliting is to prevent resonator overload, and harmonic reduction, reduces EMI simultaneously; R3-R6 is the current-limiting resistance of LED, prevents the excessive damage LED chip of electric current; C1 is 10nF electric capacity, for reset pin; C2, C3 is 20pF electric capacity, for forming resonant tank with Y1; C4 is 1uF electric capacity, for VCAP pin is carried out to filtering; C5 is 1uF electric capacity, for VDDA pin is carried out to filtering; C6 is 100nF electric capacity, for VDDA pin is carried out to High frequency filter; C7-C9 is 100nF electric capacity, for power filter; JP0 is for row pin: JP0_1 is for power supply, be connected in the VCC pin, JP0_2 of U1 for the burning of on-line debugging emulation and program, be connected in the SWIM/PD1 pin, JP0_3 of U1 for ground connection, be connected in the GND pin of U1, JP0_4, for resetting, is connected in the RESET pin of U1; JP1-JP4 is expanded function pin.
As shown in Figure 2, JP2_3-10 is connected in the D0-D7 data wire input port of LCD1602 LCDs, make chip can pass through current date, time, colour temperature, room temperature, the color rendering index of liquid crystal display screen output display, and the related data such as the corresponding preference pattern of light fixture of current use, JP2_11, JP2_12 pin, for connecting RS and the R/W mouth of LCD1602 LCDs, are controlled the data entry mode of LCDs and the direction of transfer of data.
As shown in Figure 2, JP3 pin, for connecting the control button of expanded function, can be used for the date and time of the middle demonstration of revising LCD1602 LCDs, also can switch for the pattern of intelligent control module and manual control module; When user has selected intelligent control pattern, the output of corresponding illumination colour temperature is carried out in the adjusting of colour temperature according to the difference in current time, season, the function regulating to reach intelligence; When user has selected manual control pattern, the adjusting of colour temperature changes according to current selected modular colour temperature, or the different mode such as electrodeless colour temperature variation, and light fixture is regulated and controled, regulate to reach colour temperature the object that adapts to mankind's emotional change, show selected pattern information by display.
By the control method of pulse width modulation, control light source module each white/red/green/blue color LED electric current increase or reduce, reach and change red/green/blue three looks shared ratio; Known according to 1931CIE-XYZ standard colorimetric system, at F r: F g: F bunder the ratio condition of=1:4.5907:0.0601, can be mixed into white light, carry out, after LED colour mixture, finely tuning the ratio of red/green/blue three primary colors according to this ratio, under the prerequisite of the high color rendering index of maintenance, can obtain the data of wide colour temperature excursion.In LED light source module, still use white light LEDs, not to be singly white light in order to obtain overall colour mixture result, also in order to realize the originally optimization of the quality of lighting of the white light LEDs of low color rendering index, low colour temperature, the auxiliary optimization of the LED by red/green/Lan Sanse obtains high color rendering index (CRI), has the effect of wide colour temperature transformation range.

Claims (8)

1. a regulation device for LED light fixture, is characterized in that including controller, LED light source module, display module, and controller is connected with LED light source module and display module respectively.
2. the regulation device of LED light fixture according to claim 1, it is characterized in that above-mentioned controller includes chip U1, crystal oscillator Y1, resistance R 1-R6, capacitor C 1-C9, row's pin JP0-JP4, in said chip U1, there are 4 pin contact resistance R3-R6, resistance R 3-R6 connects LED as current-limiting resistance, LED ground connection forms loop energising, in chip U1, all pins are equally divided into 4 groups, every group connects respectively row's pin JP1-JP4 and uses as the convenient pin being connected with components and parts, above-mentioned capacitor C 2 is connected crystal oscillator Y1 two ends and uses as crystal oscillator filter capacitor with C3, and form capacitance three-point type oscillating circuit with R2, two pins that crystal oscillator Y1 connects chip U1 provide stable clock signal to chip U1, C4 electric capacity connects the normal operation of VCAP end with the ground guarantee kernel of chip U1, capacitor C 5 and capacitor C 6 are connected in the high-frequency harmonic composition of power supply generation in the time of work of filtering analog circuit between VDDA and ground in parallel, the reset terminal that capacitor C 1 is connected to chip U1 is filter capacitor, with R1 pull-up resistor composition reset circuit, capacitor C 7, C8, C9 and be connected in power vd D and ground GND between the high-frequency harmonic composition that produces when the work as the filter capacitor filter out power of power supply.
3. the regulation device of LED light fixture according to claim 2, the power end VCC that it is characterized in that above-mentioned pin JP0_1 connection chip U1 draws power supply, JP0_2 connects the SWIM/PD1 of chip U1, the earth terminal GND that JP0_3 connects chip U1 draws ground wire, and JP0_4 connects the RESET of chip U1 as the control end of reset circuit.
4. the regulation device of LED light fixture according to claim 2, is characterized in that said chip U1 is single-chip microcomputer.
5. the regulation device of LED light fixture according to claim 2, is characterized in that above-mentioned crystal oscillator Y1 is 16MHz crystal oscillator pin.
6. according to the regulation device of the LED light fixture described in claim 1 to 5 any one, it is characterized in that above-mentioned LED light source module includes the LED lamp of some white, four kinds of colors of red, green, blue.
7. the control method of the regulation device of a LED light fixture, it is characterized in that controller carries out mixed light by the size of current of controlling the LED lamp of some white, four kinds of colors of red, green, blue in LED light source module, thereby obtain the transform data of colour temperature on a large scale with high color rendering index (CRI).
8. the control method of the regulation device of LED light fixture according to claim 7, is characterized in that above-mentioned controller is provided with the memory of storage colour temperature data.
CN201410183748.XA 2014-05-04 2014-05-04 LED lamp control device and LED lamp control method Pending CN104168689A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106304476A (en) * 2016-08-17 2017-01-04 梁恭喜 A kind of Intelligent LED lighting system for squab cultivation
CN109064970A (en) * 2018-09-30 2018-12-21 江苏汉德森智能科技有限责任公司 Show plant control unit, display system and display apparatus control method
CN112484969A (en) * 2019-09-12 2021-03-12 群燿光学股份有限公司 Color rendering index display system and display method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201039534Y (en) * 2007-05-09 2008-03-19 鹤山丽得电子实业有限公司 A color temperature adjustable LED road lamp control circuit
CN101482232A (en) * 2009-01-22 2009-07-15 广州市雅江光电设备有限公司 Color temperature-adjustable LED lamp and its color temperature adjusting method
US20090251056A1 (en) * 2008-04-03 2009-10-08 Samsung Electronics Co., Ltd. Display apparatus and light control method of the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201039534Y (en) * 2007-05-09 2008-03-19 鹤山丽得电子实业有限公司 A color temperature adjustable LED road lamp control circuit
US20090251056A1 (en) * 2008-04-03 2009-10-08 Samsung Electronics Co., Ltd. Display apparatus and light control method of the same
CN101482232A (en) * 2009-01-22 2009-07-15 广州市雅江光电设备有限公司 Color temperature-adjustable LED lamp and its color temperature adjusting method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106304476A (en) * 2016-08-17 2017-01-04 梁恭喜 A kind of Intelligent LED lighting system for squab cultivation
CN109064970A (en) * 2018-09-30 2018-12-21 江苏汉德森智能科技有限责任公司 Show plant control unit, display system and display apparatus control method
CN112484969A (en) * 2019-09-12 2021-03-12 群燿光学股份有限公司 Color rendering index display system and display method thereof

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Application publication date: 20141126