CN103596341B - System and method for adjusting light intensity and color temperature in reading process of the elder - Google Patents
System and method for adjusting light intensity and color temperature in reading process of the elder Download PDFInfo
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- CN103596341B CN103596341B CN201310618431.XA CN201310618431A CN103596341B CN 103596341 B CN103596341 B CN 103596341B CN 201310618431 A CN201310618431 A CN 201310618431A CN 103596341 B CN103596341 B CN 103596341B
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Abstract
The invention discloses a system and method for adjusting the light intensity and the color temperature in the reading process of the elder. The method is achieved through a microprocessor, an infrared sensor, an illumination sensor, a color temperature sensor, an astigmatism rotary knob, a light source drive circuit and an RGB tricolor light source, wherein the microprocessor is used for providing calculation power, controlling the illumination sensor, the color temperature sensor and the light source drive circuit, and conducting analysis and decision making, the infrared sensor is a passive infrared sensor, the illumination sensor is used for obtaining illumination information of the environment, the color temperature sensor is used for obtaining color temperature information of the environment, the astigmatism rotary knob is used for obtaining astigmatism degree information of a user, the light source drive circuit is used for turning on or turning off the RGB tricolor light source and controlling the RGB tricolor light source to emit light with the suitable light intensity and the suitable color temperature, and the RGB tricolor light source is an LED light-emitting unit capable of emitting light in mixed colors of red, green and blue. According to the system and method for adjusting the light intensity and the color temperature in the reading process of the elder, a luminous environment which is optimal for reading is provided for the elder.
Description
Technical field
The present invention relates to digital home technical field is and in particular to a kind of adjust lamplight brightness and colour temperature when the elderly reads
System and method for.
Background technology
Intensity of illumination refers to the energy of accepted visible ray in unit area, abbreviation illumination, unit lux (lux or
Lx).Theoretically, people, when reading, is in the higher environment of illumination, is obtained in that more preferable visual comfort.But shine
Degree is not that the higher the better, and forceful rays can cause people's vision discomfort even to produce dazzle.Research finds, illumination is less big
When visual comfort with illumination increase and increase, when illumination increases to a certain value, visual comfort reaches maximum 1, works as afterwards
When illumination continues to increase, visual comfort is gradually lowered.If the continuous time mistake read under the bad environment of illumination condition
Long it is easy to asthenopia.Improve lighting quality, improve reading condition, provide a comfortable, healthy lighting environment,
Become a kind of demand of many elderly's most attention.
In general the eyesight of the elderly has different degrees of degeneration, and the eyes of most the elderlys have the symptom of astigmatism.
And the elderly of difference astigmatism degree has different demands when reading to the illumination of light source.So, by light illumination with read
Reading comfort level combines and seems particularly necessary.
The color of light source is commonly used this concept of colour temperature to represent.The radiation of light source is complete in the radiation of visual field and absolute black body
When exactly the same, now the temperature of black matrix just claims the colour temperature of this light source.The feature of low color temperature light sources is in Energy distribution, red radiation phase
Some more to saying, commonly referred to " warm light "；After colour temperature improves, in Energy distribution, the ratio of blue radiation increases, commonly referred to " cold
Light ".People is relevant with illumination level to the hobby of colour temperature.Nineteen forty-one Germany gram Lv doffer, according to experiment, quantitatively proposes light first
The scope of color comfort zone.In the experiment of German gram Lv doffer, draw the conformity relation of illumination, colour temperature and sensation.Experiment shows,
The elderly of different astigmatism degree also has different demands when reading to the colour temperature of light source.
Therefore, the rule according to different light illuminations and reading comfort degree change under colour temperature, can be according to the elderly's astigmatism
The difference of degree, selects the light source of different illumination and colour temperature, provides a comfortable reading luminous environment for the elderly.
Under normal circumstances, the thermostasis of human body and be higher than environment temperature, can to ambient radiation infrared ray.Passive type is red
Outer inductor itself is not launched any energy and is only passively received, detects the infra-red radiation being derived from environment.Once there being human body infrared
Beta radiation is come in, and just makes pyroelectric electric device produce mutation electric signal through optics into focus, and enables load.
Content of the invention
The purpose of the present invention is to realize a kind of the elderly based on different astigmatism degree to read under different illumination and colour temperature
Comfort level Changing Pattern, automatically adjusts the control system of lamplight brightness and colour temperature and method when the elderly reads, is that the elderly carries
For optimum reading luminous environment.
Embodiments provide a kind of control system adjusting lamplight brightness and colour temperature when the elderly reads, comprising:
Microprocessor, the basis of whole control system, provide computing power, for controlling illumination inductor, colour temperature inductor
And light source driving circuit, and it is analyzed decision-making；
Whether infrared inductor, using passive infrared, using human body as infrared induction source, have for monitoring in induction range
People；
Illumination inductor, for obtaining the illuminance information of environment；
Colour temperature inductor, for obtaining the color temperature information of environment；
Astigmatism knob, for obtaining user's astigmatism degree information, rotary knob be divided into 100 degree of astigmatism, 200 degree, 300 degree,
400 degree, 500 degree of five gears；
Light source driving circuit, is used for being turned on and off rgb three primary light source and to control rgb three primary light source to send properly bright
Degree and the light of colour temperature；
Rgb three primary light source, a led luminescence unit that three kinds of color mixed light of red, green, blue can be sent.
Described infrared inductor is constantly in monitor state, and illumination inductor and colour temperature inductor are then conditionally to open
Dynamic and closing.
System design astigmatism knob, as collection user astigmatism degree information.
System design microprocessor, as control and analysis functional module, according to astigmatism knob, the photograph of described system
Degree inductor and the information of colour temperature inductor collection, are being read to the elderly of different astigmatism degree from colour temperature in conjunction with light-source brightness
The impact of Shi Shengli and psychology controls brightness and the colour temperature of rgb three primary light source by light source driving circuit, enables light source maximum
The comfort of human body is met on degree.
Accordingly, the embodiment of the present invention additionally provides a kind of method adjusting lamplight brightness and colour temperature when the elderly reads,
Including:
S01: infrared inductor is constantly in monitor state；
S02: when user enters infrared inductor induction range, infrared inductor is toggled, sends to microprocessor
Someone enters the signal of induction range；
S03: the astigmatism degree that in microcomputer reads astigmatism knob, user selectes；
The contrast of s04: microprocessor has been stored in the data in microcontroller, draws the brightness of the most comfortable and colour temperature during reading
Value；
S05: microprocessor starts illumination inductor and colour temperature inductor；
S06: illumination inductor and colour temperature inductor start with fixing frequency collection illumination and color temperature information and are sent to
Microprocessor；
S07: microprocessor receives the signal of illumination inductor and colour temperature inductor, whether to judge current illumination and colour temperature
Through reaching brightness and the color temperature value of the most comfortable, if it has been reached, then going to s09；
S08: light source driving circuit adjusts brightness and the colour temperature of light source, goes to s06 afterwards；
S09: microprocessor cuts out illumination inductor and colour temperature inductor, and light source regulating time is locked into into locking shape simultaneously
State, when light source time lock is in the lock state, is not adjusted to light source；
S10: after the time setting, light source regulating time lock unlocks, and goes to s05, readjusts the bright of light source
Degree and colour temperature；
S11: when user leaves the induction range of infrared inductor, infrared inductor sends user to microprocessor and leaves
The signal of induction range；
The timer of s12: microprocessor starts timing.If the user while reentering infrared inductor in the time setting
Induction range, timer clocking information zero；If the time that user leaves infrared inductor induction range exceedes setting
Time, microprocessor to light source driving circuit send close light source instruction；
S13: light source driving circuit receives the order closing light source, closes light source.
The elderly's physiology and the psychological impact analysis when reading to different astigmatism degree from colour temperature in conjunction with light-source brightness
Optimal lamplight brightness and colour temperature when showing that the elderly of current astigmatism degree reads.
In methods described microprocessor adjustment lamplight brightness and colour temperature to optimal state after light source adjustment time lock
Enter lock-out state, light source is not adjusted when the time, lock was in the lock state, unlock in light source adjustment time lock
Again light source is adjusted again after state.
After user leaves infrared inductor induction range and exceedes the regular hour, microprocessor cuts out light source.
The present invention has the advantages that, the elderly based on different astigmatism degree reads under different illumination and colour temperature
Comfort level Changing Pattern, automatically adjusts the control system of lamplight brightness and colour temperature and method when the elderly reads, is that the elderly carries
For optimum reading luminous environment.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is that the Control system architecture adjusting lamplight brightness and colour temperature when the elderly reads in the embodiment of the present invention is illustrated
Figure；
Fig. 2 is the method flow diagram adjusting lamplight brightness and colour temperature when the elderly reads in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
The whole control system of the present invention is by microprocessor, infrared inductor, astigmatism knob, illumination inductor, colour temperature sense
Answer device, light source driving circuit and rgb three primary light source composition.
The framework of whole control system is described with reference to Fig. 1:
Microprocessor, the basis of whole control system, provide computing power, for controlling illumination inductor, colour temperature inductor
And light source driving circuit, and it is analyzed decision-making；
Whether infrared inductor, using passive infrared, using human body as infrared induction source, have for monitoring in induction range
People;
Illumination inductor, for obtaining the illuminance information of environment；
Colour temperature inductor, for obtaining the color temperature information of environment；
Astigmatism knob, for obtaining user's astigmatism degree information；
Light source driving circuit, is used for being turned on and off rgb three primary light source and to control rgb three primary light source to send properly bright
Degree and the light of colour temperature；
Rgb three primary light source, a led luminescence unit that three kinds of color mixed light of red, green, blue can be sent；
Infrared inductor is constantly in monitor state, and illumination inductor, colour temperature inductor be then conditionally start and
Close.
The invention also discloses a kind of method adjusting lamplight brightness and colour temperature when the elderly reads.Say with reference to Fig. 2
Bright:
S01: infrared inductor is constantly in monitor state；
S02: when user enters infrared inductor induction range, infrared inductor is toggled, sends to microprocessor
Someone enters the signal of induction range；
S03: the astigmatism degree that in microcomputer reads astigmatism knob, user selectes；
The contrast of s04: microprocessor has been stored in the data in microcontroller, draws the brightness of the most comfortable and colour temperature during reading
Value；
S05: microprocessor starts illumination inductor and colour temperature inductor；
S06: illumination inductor and colour temperature inductor start with fixing frequency collection illumination and color temperature information and are sent to
Microprocessor；
S07: microprocessor receives the signal of illumination inductor and colour temperature inductor, whether to judge current illumination and colour temperature
Through reaching brightness and the color temperature value of the most comfortable, if it has been reached, then going to s09；
S08: light source driving circuit adjusts brightness and the colour temperature of light source, goes to s06 afterwards；
S0: microprocessor cuts out illumination inductor and colour temperature inductor, and light source regulating time is locked into into lock-out state simultaneously,
When light source time lock is in the lock state, light source is not adjusted；
S10: after the time setting, such as 5 minutes, light source regulating time lock unlocked, and goes to s05, again adjusts
The brightness of section light source and colour temperature；
S11: when user leaves the induction range of infrared inductor, infrared inductor sends user to microprocessor and leaves
The signal of induction range.
The timer of s12: microprocessor starts timing.If the user while in the time setting, such as 5 minutes, again entering
Enter the induction range of infrared inductor, the clocking information zero of timer；If user leaves infrared inductor induction range
Time exceedes the time of setting, and microprocessor sends the instruction cutting out light source to light source driving circuit；
S13: light source driving circuit receives the order closing light source, closes light source.
The present invention reading comfort degree Changing Pattern under different illumination and colour temperature of the elderly based on different astigmatism degree, from
When dynamic regulation the elderly reads, the control system of lamplight brightness and colour temperature and method, provide the optimum reading ring of light for the elderly
Border.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
Completed with the hardware instructing correlation by program, this program can be stored in a computer-readable recording medium, storage
Medium may include that read-only storage (rom, read only memory), random access memory (ram, random
Access memory), disk or CD etc..
The control system of lamplight brightness and colour temperature when a kind of regulation the elderly above embodiment of the present invention being provided reads
System is described in detail, and specific case used herein is set forth to the principle of the present invention and embodiment, above
The explanation of embodiment is only intended to help and understands the method for the present invention and its core concept；General skill simultaneously for this area
Art personnel, according to the thought of the present invention, all will change in specific embodiments and applications, in sum, this
Description should not be construed as limitation of the present invention.
Claims (2)
1. a kind of method adjusting lamplight brightness and colour temperature when the elderly reads, is characterised by, comprising:
S01: infrared inductor is constantly in monitor state；
S02: when user enters infrared inductor induction range, infrared inductor is toggled, sends someone to microprocessor
Enter the signal of induction range；
S03: the astigmatism degree that in microcomputer reads astigmatism knob, user selectes；
The contrast of s04: microprocessor has been stored in the data in microcontroller, draws the brightness of the most comfortable and color temperature value during reading；
S05: microprocessor starts illumination inductor and colour temperature inductor；
S06: illumination inductor and colour temperature inductor start with fixing frequency collection illumination and color temperature information and are sent to micro- place
Reason device；
S07: microprocessor receives the signal of illumination inductor and colour temperature inductor, judges whether current illumination and colour temperature have reached
To brightness and the color temperature value of the most comfortable, if it has been reached, then going to s09；
S08: light source driving circuit adjusts brightness and the colour temperature of light source, goes to s06 afterwards；
S09: microprocessor cuts out illumination inductor and colour temperature inductor, and light source regulating time is locked into into lock-out state simultaneously, when
When light source time lock is in the lock state, light source is not adjusted；
S10: after the time setting, light source regulating time lock unlocks, and goes to s05, readjust the brightness of light source with
Colour temperature；
S11: when user leaves the induction range of infrared inductor, infrared inductor sends user to microprocessor and leaves sensing
The signal of scope；
The timer of s12: microprocessor starts timing, if the user while reentering the sense of infrared inductor in the time setting
Answer scope, the clocking information zero of timer；If user leave infrared inductor induction range time exceed setting when
Between, microprocessor sends the instruction cutting out light source to light source driving circuit；
S13: light source driving circuit receives the order closing light source, closes light source.
2. the method adjusting lamplight brightness and colour temperature when the elderly reads as claimed in claim 1, is characterised by, in conjunction with light source
Physiology and psychological impact analysis when reading draw current astigmatism degree to the elderly of different astigmatism degree for brightness and colour temperature
The elderly's optimal lamplight brightness and colour temperature when reading.
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Cited By (1)
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| CN107493642A (en) * | 2017-08-24 | 2017-12-19 | 深圳大学 | The luminous environment adjusting method and system of visual comfort when optimization is read |
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| CN104754825A (en) * | 2015-03-06 | 2015-07-01 | 苏州市职业大学 | Intelligent LED (Light Emitting Diode) dimming and color mixing control system based on situation |
| CN107666745A (en) * | 2016-07-28 | 2018-02-06 | 北京百牛环球科技有限公司 | A kind of new system and method for realizing electric light dance |
| CN107682958A (en) * | 2017-10-13 | 2018-02-09 | 勤上光电股份有限公司 | A kind of LED desk lamp of computer-readable recording medium and the application medium |
| CN108513395A (en) * | 2018-03-27 | 2018-09-07 | 安徽亮亮电子科技有限公司 | A kind of LED intelligent dimmings toning control device |
| CN109548241A (en) * | 2018-12-18 | 2019-03-29 | 深圳市全智芯科技有限公司 | Light adjustment control method, storage medium, control device and intelligent-induction lamp |
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