CN109637498A - A kind of control system and control method that computer screen brightness is intelligently adjusted - Google Patents
A kind of control system and control method that computer screen brightness is intelligently adjusted Download PDFInfo
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- CN109637498A CN109637498A CN201811577063.8A CN201811577063A CN109637498A CN 109637498 A CN109637498 A CN 109637498A CN 201811577063 A CN201811577063 A CN 201811577063A CN 109637498 A CN109637498 A CN 109637498A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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- Computer Hardware Design (AREA)
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Abstract
The invention discloses a kind of control systems that computer screen brightness is intelligently adjusted; including external environment brightness testing agency, screen intensity regulating mechanism, myopia degree radio frequency reading mechanism, infrared detection mechanism and controller; the brightness of screen, the eyes of the user protected in this way can be automatically adjusted according to the degree of external environment brightness and user's myopia；User is detected whether in face of computer by infrared sensor, the power supply of computer screen is opened or be connected from dynamic circuit breaker, in this way the saving energy；Luminance sensor is fixed on the back side of computer screen, can be detected the ambient brightness around computer screen, while the interference of computer screen light source can be prevented again.
Description
Technical field
The present invention relates to the field of intelligent control of computer screen brightness, and in particular to a kind of computer screen brightness intelligently adjusting
Control system and control method.
Background technique
Present computer has been a kind of tool that people's life and work is relied on, people be used for a long time computer when
It waits, there are the brightness of bigger influence, especially computer screen and extraneous ring for eyes of the brightness of computer screen to user
There are when bigger difference, computer screen brightness will affect the eyesight of staff, while can make the eye of people for border brightness
Eyeball generates fatigue, and computer screen can generate bigger influence to the eyes of user, and present passes through photo resistance on the market
Environment light source is detected to reach the intelligentized brightness for adjusting computer screen, but each human eye is to the applicability of screen intensity
It is different that (myopia and normal eyeball, since eye focus function reduces, myopia needs brighter screen intensity, but near-sighted
The difference of eye degree, it is also different to adapt to screen intensity), the screen of brightness regulation on the market cannot achieve according to eyes now
Difference adjusts different brightness to realize.
In view of the above shortcomings of the prior art, the invention proposes a kind of control systems that computer screen brightness is intelligently adjusted
And control method, convenient for timely adjusting the brightness of screen according to the brightness of extraneous environment, while can be according to hypometropia
Degree difference adjust screen intensity.
In order to achieve the above object, the solution of the present invention: a kind of control system that computer screen brightness is intelligently adjusted, including
External environment brightness testing agency, screen intensity regulating mechanism, myopia degree radio frequency reading mechanism, infrared detection mechanism and control
Device processed, wherein external environment brightness testing agency is fixed on the back side of computer screen, wherein external environment brightness testing agency
For luminance sensor, the brightness of external environment is detected by luminance sensor, while luminance sensor is located at the back of computer screen
The brightness in face, such external environment will not be interfered by the light source of computer screen, external environment brightness testing agency and controller phase
It connecting, controller connect with screen intensity regulating mechanism and on the power supply line of screen intensity regulating mechanism setting computer screen,
Screen intensity regulating mechanism is adjustable resistance, the brightness of computer screen is adjusted by changing the resistance value of adjustable resistance, in computer
It is provided with myopia degree radio frequency reading mechanism on the front of screen and myopia degree radio frequency reading mechanism is also mutually interconnected with controller
It connects, label is provided on spectacles, the degree of spectacles is written in label, myopia degree radio frequency reading mechanism is read
Label on spectacles, and controller is passed information to, it is bright to adjust screen by controller control screen brightness regulating mechanism
Degree, is provided with infrared detection mechanism, infrared detection mechanism is infrared sensor, by red on computer screen edge
Outside line sensor detect computer screen in face of whether someone, thus realize screen suspend mode and open.
A kind of control method based on control system that computer screen brightness is intelligently adjusted:
One, the brightness extraneous by luminance sensor detection, while myopia degree radio frequency reading mechanism is read on spectacles
Label, luminance sensor and myopia degree radio frequency reading mechanism pass information to controller, are carried out by controller to data
Analysis, when external environment is brighter, controller control screen brightness regulating mechanism reduces the resistance value of itself to increase computer
The brightness of screen, when the degree that myopia degree radio frequency reading mechanism reads label is bigger, controller control screen brightness
Regulating mechanism increases brightness；
Two, when personnel leave computer screen, infrared sensor detects that user leaves computer screen, at this time for
Energy conservation, controller control screen brightness regulating mechanism automatically cut off the power supply of computer screen, when user is close to computer screen
When, infrared sensor detects someone in face of computer screen, and at this time controller control screen brightness regulating mechanism is led
Energization source.
Compared with the prior art, the advantages of the present invention are as follows: 1, can according to external environment brightness and user near-sighted
Degree automatically adjusts the brightness of screen, the eyes of the user protected in this way；2, user is detected by infrared sensor
Whether in face of computer, the power supply of computer screen is opened or is connected from dynamic circuit breaker, in this way the saving energy；3, luminance sensor is fixed
On the back side of computer screen, the ambient brightness around computer screen can be detected, while can prevent computer screen light source again
Interference.
Detailed description of the invention
Fig. 1 is control block diagram of the invention.
Fig. 2 is schematic diagram of the invention.
Wherein, 1, external environment brightness testing agency, 1.1, luminance sensor, 2, screen intensity regulating mechanism, 2.1, can
Adjust resistance, 3, myopia degree radio frequency reading mechanism, 3.1, label, 4, infrared detection mechanism, 5, controller.
Specific embodiment
It is further elucidated above to the present invention now in conjunction with attached drawing.
As shown in Figs. 1-2, a kind of control system that computer screen brightness is intelligently adjusted, including external environment brightness detection machine
Structure 1, screen intensity regulating mechanism 2, myopia degree radio frequency reading mechanism 3, infrared detection mechanism 4 and controller 5(89-C51),
The mode that wherein external environment brightness testing agency 1 is bolted is fixed on the back side of computer screen, wherein extraneous ring
Border brightness testing agency 1 is luminance sensor 1.1(PIC96337 KODENSHI), extraneous ring is detected by luminance sensor 1.1
The brightness in border, while luminance sensor 1.1 is located at the back side of computer screen, such luminance sensor 1.1 does not receive computer screen
The light that curtain issues, the brightness of such external environment will not interfere by the light source of computer screen, external environment brightness testing agency 1 and
Controller 5 is connected with each other, and the information (brightness) that luminance sensor 1.1 will test passes to controller 5 by analog signal, is controlled
Device 5 processed is connect with screen intensity regulating mechanism 2 and screen intensity regulating mechanism 2 is arranged on the power supply line of computer screen, passes through screen
2 control of curtain brightness regulation mechanism is input to the voltage of computer screen, controls the brightness of computer screen in this way, and screen intensity is adjusted
Mechanism 2 is adjustable resistance 2.1, adjusted by changing the resistance value of adjustable resistance 2.1 be input to the voltage value of computer screen to
Adjust the brightness of computer screen；Myopia degree radio frequency reading mechanism is fixed with by way of insertion on the front of computer screen
3 and myopia degree radio frequency reading mechanism 3 also with controller 5 be connected with each other, label 3.1 is embedded on spectacles, in label
The degree of write-in spectacles in 3.1, myopia degree radio frequency reading mechanism 3 reads label 3.1 on spectacles, and information is passed
Controller 5 is passed, screen intensity is adjusted by 5 control screen brightness regulating mechanism 2 of controller, is passed through on computer screen edge
The mode of insertion is fixed with infrared detection mechanism 4, and infrared detection mechanism 4 is infrared sensor (HC-SR501), leads to
Cross infrared sensor detection computer screen in face of whether someone, thus realize screen suspend mode and open.
A kind of control method based on control system that computer screen brightness is intelligently adjusted:
One, extraneous brightness is detected by luminance sensor 1.1, while myopia degree radio frequency reading mechanism 3 reads spectacles
On label 3.1, luminance sensor 1.1 and myopia degree radio frequency reading mechanism 3 pass information to controller 5, pass through control
Device 5 analyzes data, and when external environment is brighter, 5 control screen brightness regulating mechanism 2 of controller reduces itself
Resistance value increases the brightness of computer screen, when the degree that myopia degree radio frequency reading mechanism 3 reads label 3.1 is bigger when,
5 control screen brightness regulating mechanism 2 of controller increases brightness；
Two, when personnel leave computer screen, infrared sensor detects that user leaves computer screen, at this time for
Energy conservation, 5 control screen brightness regulating mechanism 2 of controller automatically cut off the power supply of computer screen, when user is close to computer screen
When, infrared sensor detect someone in face of computer screen, at this time 5 control screen brightness regulating mechanism of controller
2 turn-on powers.
Claims (2)
1. a kind of control system that computer screen brightness is intelligently adjusted, including external environment brightness testing agency, screen intensity tune
Save mechanism, myopia degree radio frequency reading mechanism, infrared detection mechanism and controller, which is characterized in that wherein external environment is bright
Degree testing agency is fixed on the back side of computer screen, and wherein external environment brightness testing agency is luminance sensor, by bright
Spend the brightness of sensor detection external environment, while luminance sensor is located at the back side of computer screen, such external environment it is bright
Degree will not be interfered by the light source of computer screen, and external environment brightness testing agency and controller are connected with each other, controller and screen
On the power supply line of the connection of brightness regulation mechanism and screen intensity regulating mechanism setting computer screen, screen intensity regulating mechanism is can
Resistance is adjusted, adjusts the brightness of computer screen by changing the resistance value of adjustable resistance, is provided on the front of computer screen close
Diopter number radio frequency reading mechanism and myopia degree radio frequency reading mechanism are also connected with each other with controller, are provided on spectacles
The degree of spectacles is written in label in label, and myopia degree radio frequency reading mechanism reads label on spectacles, and will letter
Breath passes to controller, adjusts screen intensity by controller control screen brightness regulating mechanism, sets on computer screen edge
It is equipped with infrared detection mechanism, infrared detection mechanism is infrared sensor, detects computer screen by infrared sensor
Curtain in face of whether someone, thus realize screen suspend mode and open.
2. based on a kind of control method for the control system that computer screen brightness is intelligently adjusted described in claim 1, feature
It is:
One, the brightness extraneous by luminance sensor detection, while myopia degree radio frequency reading mechanism is read on spectacles
Label, luminance sensor and myopia degree radio frequency reading mechanism pass information to controller, are carried out by controller to data
Analysis, when external environment is brighter, controller control screen brightness regulating mechanism reduces the resistance value of itself to increase computer
The brightness of screen, when the degree that myopia degree radio frequency reading mechanism reads label is bigger, controller control screen brightness
Regulating mechanism increases brightness；
Two, when personnel leave computer screen, infrared sensor detects that user leaves computer screen, at this time for
Energy conservation, controller control screen brightness regulating mechanism automatically cut off the power supply of computer screen, when user is close to computer screen
When, infrared sensor detects someone in face of computer screen, and at this time controller control screen brightness regulating mechanism is led
Energization source.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811577063.8A CN109637498A (en) | 2018-12-23 | 2018-12-23 | A kind of control system and control method that computer screen brightness is intelligently adjusted |
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| CN201811577063.8A CN109637498A (en) | 2018-12-23 | 2018-12-23 | A kind of control system and control method that computer screen brightness is intelligently adjusted |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110363036A (en) * | 2019-07-17 | 2019-10-22 | 珠海格力电器股份有限公司 | Barcode scanning method and device based on line control machine, scan code system |
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Application publication date: 20190416 |