CN102711336A - Daylight lighting simulation device - Google Patents

Daylight lighting simulation device Download PDF

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Publication number
CN102711336A
CN102711336A CN201210198014XA CN201210198014A CN102711336A CN 102711336 A CN102711336 A CN 102711336A CN 201210198014X A CN201210198014X A CN 201210198014XA CN 201210198014 A CN201210198014 A CN 201210198014A CN 102711336 A CN102711336 A CN 102711336A
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module
illumination
lighting device
microprocessor
light source
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CN102711336B (en
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何天兵
李东明
闵波
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Sichuan Sunfor Light Co Ltd
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Sichuan Sunfor Light Co Ltd
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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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Abstract

The invention relates to a lighting technology. The invention discloses a daylight lighting simulation device according to the relationship between an illumination-color temperature curve and the feeling of a human body; the illumination and the color temperature of the lighting device are controlled through a control device, so that the color temperature corresponding to different illuminations is within a set color temperature scope or the illuminations corresponding to different color temperatures is within a set illumination scope, and the comfort of the human body is improved. According to the daylight lighting simulation device, the illumination and the color temperature of the lighting device can be controlled within the scope that the human body feels comfortable according to real-time and environment parameters, the lighting effect of natural daylight is simulated, and the humanization and the comfort of the lighting device are improved.

Description

A kind of solar simulated lighting device
Technical field
The present invention relates to lighting technology, particularly a kind of LED (light-emitting diode) lighting device.
Background technology
The colour temperature of natural daylight and illumination can change along with change of time.Morning, colour temperature was low, and illumination is low; Noon, colour temperature was high, and illumination is high; Colour temperature is low at dusk, and illumination is low.Over the past thousands of years, human sensorium has adapted to the Changing Pattern of natural daylight, thereby natural daylight feels comfortably cool with satisfied people.A large amount of research and evidence, under the situation of the low high illumination of colour temperature, human body has sultry sensation; Under the situation of high colour temperature low-light (level), human body has oppressive sensation.Fig. 1 shows people's the sensation and the relation of illumination and colour temperature, and when illumination coordinate and colour temperature coordinate were in the scope between curve LL ' and the KK ', human body sensory was pleasant, otherwise human body has sultry or oppressive sensation.
The LED lighting device is a kind of faster high efficiency illumination device of developed recently, and LED has advantages such as energy-saving and environmental protection, life-span length as a kind of novel solid state light emitter.The LED lighting device of prior art; Usually adopt PWM (pulse width modulation) technology to carry out constant-current driving; Can realize the accurate control of drive current and adjusting continuously; And along with the application of novel semiconductor light-emitting material, people have developed the led light source module of various different-colours, realize for the LED lighting device that colour temperature regulates to control with illumination and lay a good foundation.
Summary of the invention
Technical problem to be solved by this invention just provides a kind of solar simulated lighting device, according to different time; The illumination and the colour temperature of adjustment lighting device; Make the Changing Pattern of its illuminating effect and natural daylight be tending towards identical, promote the hommization of lighting device, improve the comfort level of people's sense organ.
The present invention solve the technical problem, and the technical scheme of employing is a kind of solar simulated lighting device; Comprise power module, driver module, led light source module and control module; Said driver module input is connected with the output of power module, and the driver module output is connected with the led light source module, drives electric current for the led light source module provides; Said driver module control end is connected with control module, controls the drive current of its output according to the drive signal of control module output; It is characterized in that said control module has the control device of solar simulated, said control device comprises clock module, sensor assembly and microprocessor; Said real-time clock module is connected with microprocessor, and for microprocessor provides clock signal, said sensor assembly is connected with microprocessor; With the environmental parameter input microprocessor; Said microprocessor reads clock signal and sensor signal is carried out analyzing and processing, changes drive signal parameters according to result, and illumination apparatus illumination and colour temperature are controlled; Make the corresponding colour temperature of different illumination be in the reference color temperature of setting, or the corresponding illumination of different-colour is in the illumination range of setting.
Lighting device of the present invention, with LED as light source, with microprocessor as control core; Gather environmental parameter and real-time time signal; Through the pwm pulse transmission of adjustment control module output, the drive current of led light source is controlled, the illumination of lighting device and colour temperature are in the setting range; Arrive the purpose of simulating nature daylight illumination effect, improve human comfort.
Further, said drive signal is a pulse width modulating signal.
Pulse width modulation (PWM) signal is a kind of control technology of technology maturation, is generally used for controlling the size of analog quantity, and present most of microprocessors (MCU) all have corresponding pwm signal output port.This control mode circuit structure is simple, and control precision is high.
Concrete, said drive signal parameters comprises pulse duty factor.
The most basic control mode of pulse width modulating technology changes pulse duty factor exactly, and pulse duty factor is the major parameter of pwm signal, through changing control and the adjusting that pulse duty factor can very easily realize lighting device illumination of the present invention and colour temperature.
Concrete, said reference color temperature and illumination range satisfy the human comfort requirement.
This programme is controlled at reference color temperature and illumination range in the curve LL ' and the scope between the KK ' shown in Figure 1, satisfies the human comfort requirement.
Further, said led light source module is made up of cold light module and warm optical mode group, and the cold light module is connected with the driver module output with warm optical mode group.
This programme adopts the cold light source module and the warm light source module of different-colour, controls colour temperature and illumination adjusting that its drive current is realized combined light respectively, realizes the control of reference color temperature and illumination range with minimum led light source module.
Said power module is the AC-DC transducer, and its input is connected with AC network.
It is the lighting device power supply that this programme adopts alternating current, is to use general a kind of lighting device.
Further; Said driver module comprises constant current driving unit and device for power switching; The input of said constant current driving unit is connected with power module; Output is connected with the led light source module, and said device for power switching is connected with said led light source module, and its control end is connected with said microprocessor.
Adopt constant-current driving mode activated led light source module, meet the characteristic requirements of LED, drive reliable, safety.
Concrete, said device for power switching is field-effect transistor, perhaps bipolar transistor.
Adopt semiconductor device such as field-effect transistor or bipolar transistor, help to improve the reliability of device for power switching, reduce the complexity and the cost of control circuit.
The invention has the beneficial effects as follows that control module can be according to real-time time and environmental parameter, the illumination and the colour temperature of lighting device is controlled at the comfortable scope of human body sensory, the illuminating effect of simulating nature daylight improves the hommization and the comfort level of lighting device.
Description of drawings
Fig. 1 be the people sensation and illumination and colour temperature concern sketch map;
Fig. 2 is the structural representation of embodiment.
Embodiment
Describe technical scheme of the present invention in detail below in conjunction with accompanying drawing and embodiment, so that those skilled in the art understands the present invention better.
As shown in Figure 1, under the situation of the low high illumination of colour temperature, human body has sultry sensation.Under the situation of high colour temperature low-light (level), human body has oppressive sensation.The LED lighting device of solar simulated of the present invention designs based on this curved line relation, makes the colour temperature of lighting device and illumination be in the comfortable scope of human body sensory.
Solar simulated lighting device of the present invention is made up of several main parts such as power module, driver module, led light source module and control modules.Power module can be an AC-DC transducer, and switch power module or linear power supply module as commonly used also can adopt solar cell or storage battery etc. for lighting device provides electric energy, comprise the operating current of control module, the drive current of driver module.The driver module input is connected with the output of power module, and the driver module output is connected with the led light source module, drives electric current for the led light source module provides.The driver module control end is connected with control module, controls the drive current of its output according to the drive signal of control module output.Control module of the present invention includes the control device of the solar simulated of clock module, sensor assembly and microprocessor formation; Can be transferred to the clock signal of microprocessor according to real-time clock module; And the environmental parameter of sensor assembly collection is carried out analyzing and processing; And changing drive signal parameters in view of the above, the drive current of control and driving module output makes the corresponding colour temperature of different illumination be in the reference color temperature of setting; Or the corresponding illumination of different-colour is in the illumination range of setting, to reach the purpose that improves the human body sensory comfort level.
Embodiment
This routine lighting device comprises power module 10, driver module 20, led light source module 30 and control device 40.Control device 40 comprises real-time clock module, sensor assembly and microprocessor.Driver module 20 comprises constant current driving unit and device for power switching K1, K2.The led light source module comprises cold light source D1 and warm light source D2.As shown in Figure 2.
The input of power module 10 is connected with the civil power AC network, converts alternating voltage into direct voltage, and output is connected with driver module, for it provides electric energy.
Driver module 20 inputs are connected with the output of power module 10, and two outputs of driver module 20 are labeled as output LED+ and output LED-respectively.Wherein, output LED+ is connected with cold light source module D1 and warm light source module D2 are anodal, and output LED-is connected with device for power switching K1, K2.
Device for power switching K1 and K2 can be field-effect transistors, or bipolar transistor.Present embodiment device for power switching K1 and K2 adopt the N slot field-effect transistor.The source electrode of device for power switching K1 and K2 links together and is connected with the output LED-of constant current driving unit 20.The grid of device for power switching K1 and K2 is connected with the PWM2 signal with the PWM1 signal of control device 40 outputs respectively.The drain electrode of device for power switching K1 and K2 is connected with the negative pole of warm optical mode group D2 with cold light module D1 respectively.Device for power switching K1 and K2 are the device for power switching of high level conducting; When the PWM1 of control device 40 output and PWM2 signal are high level; Device for power switching K1 and K2 conducting, corresponding cold light source module and warm light source module are lighted, when PWM1 and PWM2 signal are low level; Device for power switching K1 and K2 turn-off, and corresponding cold light source module and warm light source module extinguish.
Among Fig. 2, real-time clock module is connected with microprocessor, and it mainly acts on just providing stable gives microprocessor with clock signal accurately.
Sensor assembly is connected with microprocessor, and it mainly acts on is testing environment illumination, and is input to microprocessor to the result.
The PWM1 of output end of microprocessor is connected with K2 with the device for power switching K1 of driver module with the PWM2 signal.
PWM1 and PWM2 signal are time-multiplexed drive signals, and having only a signal at most at synchronization is high level.Adopt time division multiplexing mode, the power overload that can avoid the power peak stack to bring can reduce power effectively, reduces power volume, reduces driver module quantity, reduce the overall cost of lighting device.
Microprocessor receives the clock signal of real-time clock module as clock reference, and the current time is made judgement, according to the current time, regulates the illumination and the colour temperature of lighting device.If certain constantly, the illumination that needs is y2, and microprocessor is controlled at the colour temperature of lighting device the setting reference color temperature of x1~x2 through changing the pulse duty factor of PWM1 and PWM2; Perhaps; In certain moment, the colour temperature that needs is x1, and microprocessor is through changing the pulse duty factor of PWM1 and PWM2; The illumination of lighting device is controlled at the setting illumination range of y1~y2, makes the illumination-colour temperature curve of lighting device be in the comfortable scope of human body sensory (referring to shown in Figure 1).Thereby reach the purpose of simulating nature daylight illumination, improve the human body comfort level, regulate human boby biorhythm and biological effect effectively.
On the other hand, the signal of microprocessor samples sensor assembly is sampled into ambient light illumination, regulates the illumination and the colour temperature of lighting device in real time.When ambient light illumination increases, reduce the illumination of lighting device; When ambient light illumination reduces; Increase the illumination of lighting device, the illumination of lighting environment is remained in the specific value, and the coordinate of colour temperature and illumination is controlled among Fig. 1 in the scope between the curve LL ' and KK '; Both practiced thrift power supply effectively, comfortable lighting environment was provided again.

Claims (9)

1. solar simulated lighting device; Comprise power module, driver module, led light source module and control module; Said driver module input is connected with the output of power module, and the driver module output is connected with the led light source module, drives electric current for the led light source module provides; Said driver module control end is connected with control module, controls the drive current of its output according to the drive signal of control module output; It is characterized in that said control module has the control device of solar simulated, said control device comprises clock module, sensor assembly and microprocessor; Said real-time clock module is connected with microprocessor, and for microprocessor provides clock signal, said sensor assembly is connected with microprocessor; With the environmental parameter input microprocessor; Said microprocessor reads clock signal and sensor signal is carried out analyzing and processing, changes drive signal parameters according to result, and illumination apparatus illumination and colour temperature are controlled; Make the corresponding colour temperature of different illumination be in the reference color temperature of setting, or the corresponding illumination of different-colour is in the illumination range of setting.
2. a kind of solar simulated lighting device according to claim 1 is characterized in that said drive signal is a pulse width modulating signal.
3. a kind of solar simulated lighting device according to claim 2 is characterized in that said drive signal parameters is a pulse duty factor.
4. a kind of solar simulated lighting device according to claim 1 is characterized in that said reference color temperature and illumination range satisfy the human comfort requirement.
5. a kind of solar simulated lighting device according to claim 1 is characterized in that, said led light source module is made up of cold light module and warm optical mode group, and the cold light module is connected with the driver module output with warm optical mode group.
6. a kind of solar simulated lighting device according to claim 1 is characterized in that said power module is the AC-DC transducer, and its input is connected with AC network.
7. according to the described a kind of solar simulated lighting device of claim 1~6; It is characterized in that; Said driver module comprises constant current driving unit and device for power switching, and the input of said constant current driving unit is connected with power module, and output is connected with the led light source module; Said device for power switching is connected with said led light source module, and its control end is connected with said microprocessor.
8. a kind of solar simulated lighting device according to claim 7 is characterized in that said device for power switching is a field-effect transistor.
9. a kind of solar simulated lighting device according to claim 7 is characterized in that said device for power switching is a bipolar transistor.
CN201210198014.XA 2012-06-15 2012-06-15 Daylight lighting simulation device Active CN102711336B (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103051804A (en) * 2012-12-28 2013-04-17 广东欧珀移动通信有限公司 Intelligent photo taking method and system of mobile terminal
CN103179757A (en) * 2013-03-25 2013-06-26 浙江海振电子科技有限公司 Time-sharing multi-path constant current driving light emitting diode (LED) lamp
CN104936358A (en) * 2015-07-01 2015-09-23 北京莱斯达电子科技有限公司 Multi-purpose spotlight
WO2015165145A1 (en) * 2014-04-28 2015-11-05 深圳市海骏电子科技有限公司 Illumination control system
CN106455266A (en) * 2016-10-25 2017-02-22 京东方科技集团股份有限公司 Color temperature adjusting device and color temperature adjusting method
CN106559934A (en) * 2016-11-14 2017-04-05 中车青岛四方机车车辆股份有限公司 The control method of rail vehicle lighting system, device, system and rail vehicle
CN106594660A (en) * 2016-12-28 2017-04-26 苏州爱彼光电材料有限公司 Sunlight-simulating illuminating system
CN105491761B (en) * 2015-12-29 2018-08-14 生迪智慧科技有限公司 The LED light of adjustable color temperature and the color temperature adjusting method of LED light
CN109121248A (en) * 2018-09-11 2019-01-01 蒋琳 A kind of illuminating lamp for inside of automobile
CN109275235A (en) * 2018-09-11 2019-01-25 浙江理工大学 Commercial vehicle interior lighting dimming method
CN109600887A (en) * 2019-01-28 2019-04-09 汇云时代科技(深圳)有限公司 A kind of daylight analog controller
CN111758586A (en) * 2020-07-15 2020-10-13 苏州大学 A squirrel cage with adjustable light source

Citations (5)

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CN201116664Y (en) * 2007-11-13 2008-09-17 绅堡企业股份有限公司 LED lighting that simulates natural light
CN201339834Y (en) * 2009-01-20 2009-11-04 美加斯(香港)有限公司 LED combination lamp simulating sunlight
CN201555058U (en) * 2009-11-19 2010-08-18 楼鹏飞 A full color temperature imitation sunlight lighting system
CN101854764A (en) * 2010-06-18 2010-10-06 扬州天白科技发展有限公司 Device for intelligent control of LED indoor illumination
CN202713708U (en) * 2012-06-15 2013-01-30 四川新力光源股份有限公司 Daylight lighting simulation device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201116664Y (en) * 2007-11-13 2008-09-17 绅堡企业股份有限公司 LED lighting that simulates natural light
CN201339834Y (en) * 2009-01-20 2009-11-04 美加斯(香港)有限公司 LED combination lamp simulating sunlight
CN201555058U (en) * 2009-11-19 2010-08-18 楼鹏飞 A full color temperature imitation sunlight lighting system
CN101854764A (en) * 2010-06-18 2010-10-06 扬州天白科技发展有限公司 Device for intelligent control of LED indoor illumination
CN202713708U (en) * 2012-06-15 2013-01-30 四川新力光源股份有限公司 Daylight lighting simulation device

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103051804B (en) * 2012-12-28 2014-12-10 广东欧珀移动通信有限公司 Intelligent photo taking method and system of mobile terminal
CN103051804A (en) * 2012-12-28 2013-04-17 广东欧珀移动通信有限公司 Intelligent photo taking method and system of mobile terminal
CN103179757A (en) * 2013-03-25 2013-06-26 浙江海振电子科技有限公司 Time-sharing multi-path constant current driving light emitting diode (LED) lamp
CN103179757B (en) * 2013-03-25 2015-07-08 浙江海振电子科技有限公司 Time-sharing multi-path constant current driving light emitting diode (LED) lamp
WO2015165145A1 (en) * 2014-04-28 2015-11-05 深圳市海骏电子科技有限公司 Illumination control system
CN104936358A (en) * 2015-07-01 2015-09-23 北京莱斯达电子科技有限公司 Multi-purpose spotlight
CN105491761B (en) * 2015-12-29 2018-08-14 生迪智慧科技有限公司 The LED light of adjustable color temperature and the color temperature adjusting method of LED light
CN106455266B (en) * 2016-10-25 2019-04-16 京东方科技集团股份有限公司 A color temperature adjustment device and method
CN106455266A (en) * 2016-10-25 2017-02-22 京东方科技集团股份有限公司 Color temperature adjusting device and color temperature adjusting method
CN106559934A (en) * 2016-11-14 2017-04-05 中车青岛四方机车车辆股份有限公司 The control method of rail vehicle lighting system, device, system and rail vehicle
CN106559934B (en) * 2016-11-14 2018-07-17 中车青岛四方机车车辆股份有限公司 Control method, device, system and the rail vehicle of rail vehicle lighting system
CN106594660A (en) * 2016-12-28 2017-04-26 苏州爱彼光电材料有限公司 Sunlight-simulating illuminating system
CN109275235A (en) * 2018-09-11 2019-01-25 浙江理工大学 Commercial vehicle interior lighting dimming method
CN109121248A (en) * 2018-09-11 2019-01-01 蒋琳 A kind of illuminating lamp for inside of automobile
CN109600887A (en) * 2019-01-28 2019-04-09 汇云时代科技(深圳)有限公司 A kind of daylight analog controller
CN111758586A (en) * 2020-07-15 2020-10-13 苏州大学 A squirrel cage with adjustable light source

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