CN102103821A - Light-emitting diode (LED) luminance control method for air conditioner - Google Patents
Light-emitting diode (LED) luminance control method for air conditioner Download PDFInfo
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- CN102103821A CN102103821A CN201010580812XA CN201010580812A CN102103821A CN 102103821 A CN102103821 A CN 102103821A CN 201010580812X A CN201010580812X A CN 201010580812XA CN 201010580812 A CN201010580812 A CN 201010580812A CN 102103821 A CN102103821 A CN 102103821A
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Abstract
The invention discloses a light-emitting diode (LED) luminance control method for an air conditioner. A human body induction sensor and a light intensity sensor are adopted, and after the air conditioner starts to run, the method comprises the following sequential control steps of: judging whether to start the human body induction sensor and the light intensity sensor or not; when the human body induction sensor and the light intensity sensor are started, detecting a human body activity level in real time by using the human body induction sensor, detecting illumination intensity in real time by using the light intensity sensor at the same time, and determining the human body activity level and the grade of the illumination intensity; and when the human body activity level and the illumination intensity meet preset conditions, controlling the luminance of an LED display to change correspondingly. By the method, the luminance of the LED display is automatically controlled, great convenience is provided for users, and the requirements of humanization and intelligentization are met.
Description
Technical field
The present invention relates to field of air conditioning, particularly the LED brightness control method of air conditioner.
Background technology
Factors such as the intensity of illumination in the indoor environment, temperature, humidity, the sound are very big to people's sleep quality influence.When the people was in sleep state, indoor light was darker usually, so the people is very responsive to general light even faint light.LED is installed on the shell of indoor apparatus of air conditioner shows, in darker environment, the brightness meeting interference user that LED shows is normally had a rest, and influences sleep quality.
The air conditioner of prior art shows the noisy problem of sleeping to the user for solving LED, generally manually controls by the button of special setting on telepilot, show such as closing LED fully, or the brightness reduction by 1/4 that LED is shown etc.Though existing method can solve interference problem, need the user manually to control, can't realize detecting automatically and control automatically, intelligent degree is low, has brought inconvenience in actual use, can not satisfy user's demand.
Summary of the invention
For overcoming shortcoming of the prior art with not enough, the present invention proposes a kind of control method of LED brightness, adopt the size of human body sensor human body activity, adopt the intensity of illumination information in the light intensity induction pick-up collection indoor environment simultaneously, and the testing result of comprehensive above-mentioned two kinds of sensors, the brightness that LED is shown is in real time controlled, thereby has realized automatic induction control, bring very big facility for user's use, improved the intelligent of product.
Technical scheme of the present invention is achieved in that
A kind of LED brightness control method of air conditioner adopts human body sensor and light intensity sensor, it is characterized in that, after the air-conditioning entry into service, comprises the controlled step of following order:
(1) judges whether open human body sensor and light intensity sensor;
(2) when human body sensor and light intensity sensor are all opened, utilize the real-time human body activity of human body sensor, utilize light intensity sensor to detect intensity of illumination in real time simultaneously, and judge human activity amount and intensity of illumination grade;
(3), judge when human activity amount and intensity of illumination and satisfy when pre-conditioned the brightness respective change of control LED demonstration according to the testing result of step (2).
Further, described human activity amount grade is determined by detected pulse value.
Further, described human activity amount comprises that five grades are respectively: activity is big, in the activity, activity is little, quiet and do not exist.
Further, described detected pulse value is 0 o'clock, and human activity amount is quiet.
Further, described intensity of illumination grade comprises: illumination is big, in the illumination and illumination little.
Further, described step (3) further comprises: when human activity amount is big, and illumination is when big, and the brightness that control LED shows is adjusted into normal value.
Further, described step (3) further comprises: when human activity amount for quiet, and illumination hour, the brightness that control LED shows is reduced to 1/4 of normal value.
Further, described step (3) further comprises: in human activity amount is, and in the illumination time, the brightness that control LED shows is reduced to 1/2 of normal value.
As preferably, described human body sensor is the infrared human body induction sensor.
With respect to prior art, the LED brightness control method of air conditioner of the present invention, detect human activity amount and intensity of illumination in real time, judge the situation of user's current environment in view of the above, and according to default controlled condition, automatically regulate the brightness variation that LED shows,, satisfy requirement intelligent, hommization for the user facilitates.
Description of drawings
Fig. 1 is the process flow diagram of air conditioner LED brightness control method of the present invention.
Embodiment
In order more clearly to understand the present invention, the present invention is described in detail below in conjunction with the drawings and specific embodiments.
In the present embodiment, be example with the room air conditioner, the master chip that adopts infrared human body induction sensor, light intensity induction pick-up and control LED to show.Wherein, the infrared human body induction sensor is used for human body activity and human body position, and it is five grades that human activity amount is divided into, and is respectively: activity is big, in the activity, activity is little, quiet and do not exist.The light intensity induction pick-up is used to gather indoor solar radiation intensity (claiming intensity of illumination or illumination again), illumination is divided into that illumination is big, in the illumination, illumination little (secretly) Three Estate.The light intensity induction pick-up can detect natural light, fluorescent light, reach the light source of dark state at night.
See also Fig. 1, the process flow diagram of air conditioner LED brightness control method of the present invention, the existing detailed description in detail:
Step S1: after the running beginning, judge that whether infrared human body induction sensor and light intensity induction pick-up are all opened, and if yes, then enter next step S2; If not, then return cycle criterion, all open until infrared human body induction sensor and light intensity sensor and be allowed for access next step.If arbitrary sensor cuts out in infrared human body induction sensor or the light intensity induction pick-up, then finish to judge.
Step S2: infrared human body induction sensor and light intensity sensor be real-time human body activity and intensity of illumination respectively.
Step S3: according to the testing result of step S2, judge that whether current state satisfies human activity amount simultaneously is the illumination condition of little (secretly) for quiet, intensity of illumination, this condition represents that active user's activity is less, and illumination is little simultaneously, and the user may be in sleep or resting state.If yes, then enter next step S4; If, then do not go to step S5 and judge.
Step S4: the master chip that control LED shows transfers to 25% of normal value with the brightness that LED shows, the brightness that is about to the LED demonstration is adjusted into 1/4 of normal value.The brightness that this moment, LED showed is very faint, and is less to user's interference, meets the requirement that the user carries out deep sleep.Simultaneously, program goes to step S3 continuation cycle criterion.
Step S5: according to the testing result of step S2, judge whether current state satisfies simultaneously that human activity amount is big, intensity of illumination is the big condition of illumination, this condition represents that the user is in normal work or active state, and the brightness that LED shows can not impact the user, can normally show.If yes, then enter next step S6; If not, represent that then current indoor design condition belongs to other situations outside above-mentioned two kinds, need to reduce the brightness that LED shows, therefore, enter step S7.
Step S6: the master chip that control LED shows transfers to normal value with the brightness that LED shows, i.e. the brightness of LED demonstration is 100% normally demonstration.Simultaneously, program goes to step S3 continuation cycle criterion.
Step S7: the master chip that control LED shows transfers to 50% of normal value with the brightness that LED shows, the brightness that is about to the LED demonstration is adjusted into half of normal value, and simultaneously, program goes to step S3 and continues cycle criterion.
So, the situation in the air conditioner in the current indoor environment of the continuous cycle detection of human body sensor and light intensity sensor, and testing result judged,, close according to the brightness that testing result control LED shows by master chip until air conditioner.
Embodiment 1
Present embodiment is an example with the office user, the brightness situation of change that LED showed on the air conditioner when operate as normal and rest were described.Wherein, when human activity amount was quiet, pulse value was 0.When the user starts working, open air conditioner, after the air conditioner running beginning, will open infrared human body induction sensor and light intensity sensor automatically, and, carry out the grade of human activity amount and intensity of illumination and judge according to the result that infrared human body induction sensor and light intensity sensor detect.During work, the human activity amount that human body sensor detects in the office is big, and light intensity sensor detects the illumination abundance, and promptly illumination is big, is judged to be normal condition this moment, and the brightness that LED shows is normal value, and brightness is 100%.During lunch break, human body sensor detects indoor human activity amount for quiet, and the user closes whole electric lights and door and window, light intensity sensor detects indoor intensity of illumination little (secretly), satisfy dormant condition, so air conditioner is adjusted into 25% of normal value with the brightness that LED shows automatically.When restarting work, it is big that light intensity sensor detects indoor intensity of illumination again, and it is big that human body sensor detects indoor human activity amount, and at this moment, the brightness that LED shows is adjusted into normal value, and brightness is 100%.When the minimizing of office indoor occupant, light and other light sources weaken, no longer satisfy normal operating conditions, according to testing result, air conditioner is adjusted into 50% of normal value with the brightness that LED shows automatically.
With respect to prior art, the LED brightness control method of air conditioner of the present invention, by real-time human body activity and intensity of illumination, judge the situation of user's current environment, and according to pre-conditioned, air conditioner is controlled the brightness that LED shows automatically and is changed, thereby builds more comfortable environment for the user.
The present invention is not limited to above-mentioned embodiment, if various changes of the present invention or distortion are not broken away from the spirit and scope of the present invention, if these changes and distortion belong within claim of the present invention and the equivalent technologies scope, then the present invention also is intended to comprise these changes and distortion.
Claims (9)
1. the LED brightness control method of an air conditioner adopts human body sensor and light intensity sensor, it is characterized in that, after the air-conditioning entry into service, comprises the controlled step of following order:
(1) judges whether open human body sensor and light intensity sensor;
(2) when human body sensor and light intensity sensor are all opened, utilize the real-time human body activity of human body sensor, utilize light intensity sensor to detect intensity of illumination in real time simultaneously, and judge the grade of human activity amount and intensity of illumination;
(3), judge when detected human activity amount and intensity of illumination and satisfy when pre-conditioned the brightness respective change of control LED demonstration according to the testing result of step (2).
2. the LED brightness control method of air conditioner according to claim 1, it is characterized in that: described human activity amount grade is determined by detected pulse value.
3. the LED brightness control method of air conditioner according to claim 2, it is characterized in that: described human activity amount comprises that five grades are respectively: activity is big, in the activity, activity is little, quiet and do not exist.
4. the LED brightness control method of air conditioner according to claim 2, it is characterized in that: described detected pulse value is 0 o'clock, human activity amount is quiet.
5. the LED brightness control method of air conditioner according to claim 1, it is characterized in that: described intensity of illumination grade comprises: illumination is big, in the illumination and illumination little.
6. the LED brightness control method of air conditioner according to claim 1, it is characterized in that: described step (3) further comprises: when human activity amount is big, and illumination is when big, and the brightness that control LED shows is adjusted into normal value.
7. the LED brightness control method of air conditioner according to claim 1, it is characterized in that: described step (3) further comprises: when human activity amount for quiet, and illumination hour, the brightness that control LED shows is reduced to 1/4 of normal value.
8. the LED brightness control method of air conditioner according to claim 1, it is characterized in that: described step (3) further comprises: in human activity amount is, and in the illumination time, the brightness that control LED shows is reduced to 1/2 of normal value.
9. the LED brightness control method of air conditioner according to claim 1, it is characterized in that: described human body sensor is the infrared human body induction sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010580812XA CN102103821A (en) | 2010-12-09 | 2010-12-09 | Light-emitting diode (LED) luminance control method for air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010580812XA CN102103821A (en) | 2010-12-09 | 2010-12-09 | Light-emitting diode (LED) luminance control method for air conditioner |
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| CN102103821A true CN102103821A (en) | 2011-06-22 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077695A (en) * | 2012-12-20 | 2013-05-01 | 广州视睿电子科技有限公司 | Automatic brightness adjusting method and device for television and computer integrated machine |
| CN103940037A (en) * | 2014-04-03 | 2014-07-23 | 美的集团股份有限公司 | Control method and device of air conditioner display screen |
| CN104008719A (en) * | 2013-02-22 | 2014-08-27 | 苏州三星电子有限公司 | Device for adjusting brightness of display screen and adjustment control method of such device |
| CN104134434A (en) * | 2014-07-16 | 2014-11-05 | 广东美的集团芜湖制冷设备有限公司 | Air conditioner brightness adjusting method and air conditioner |
| CN104394614A (en) * | 2014-10-29 | 2015-03-04 | 小米科技有限责任公司 | Indicating lamp brightness adjusting method and device thereof |
| CN106403178A (en) * | 2016-09-19 | 2017-02-15 | 珠海格力电器股份有限公司 | Air conditioner control method and device and air conditioner |
| CN108758985A (en) * | 2018-04-23 | 2018-11-06 | 奥克斯空调股份有限公司 | air conditioner display screen brightness control method and air conditioner |
-
2010
- 2010-12-09 CN CN201010580812XA patent/CN102103821A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077695A (en) * | 2012-12-20 | 2013-05-01 | 广州视睿电子科技有限公司 | Automatic brightness adjusting method and device for television and computer integrated machine |
| CN104008719A (en) * | 2013-02-22 | 2014-08-27 | 苏州三星电子有限公司 | Device for adjusting brightness of display screen and adjustment control method of such device |
| CN103940037A (en) * | 2014-04-03 | 2014-07-23 | 美的集团股份有限公司 | Control method and device of air conditioner display screen |
| CN103940037B (en) * | 2014-04-03 | 2016-09-07 | 美的集团股份有限公司 | The control method of air-conditioning screen display and the control device of air-conditioning screen display |
| CN104134434A (en) * | 2014-07-16 | 2014-11-05 | 广东美的集团芜湖制冷设备有限公司 | Air conditioner brightness adjusting method and air conditioner |
| CN104394614A (en) * | 2014-10-29 | 2015-03-04 | 小米科技有限责任公司 | Indicating lamp brightness adjusting method and device thereof |
| CN106403178A (en) * | 2016-09-19 | 2017-02-15 | 珠海格力电器股份有限公司 | Air conditioner control method and device and air conditioner |
| CN106403178B (en) * | 2016-09-19 | 2019-01-11 | 珠海格力电器股份有限公司 | Air conditioner control method and device and air conditioner |
| CN108758985A (en) * | 2018-04-23 | 2018-11-06 | 奥克斯空调股份有限公司 | air conditioner display screen brightness control method and air conditioner |
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Application publication date: 20110622 |