CN103438382B - A kind of method of automatic adjustment light source intensity and illuminator - Google Patents
A kind of method of automatic adjustment light source intensity and illuminator Download PDFInfo
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- CN103438382B CN103438382B CN201310357312.3A CN201310357312A CN103438382B CN 103438382 B CN103438382 B CN 103438382B CN 201310357312 A CN201310357312 A CN 201310357312A CN 103438382 B CN103438382 B CN 103438382B
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- 230000010354 integration Effects 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 230000003313 weakening effect Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 24
- 230000004313 glare Effects 0.000 abstract description 6
- 230000001678 irradiating effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 208000003443 Unconsciousness Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 206010039729 Scotoma Diseases 0.000 description 1
- 206010047513 Vision blurred Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
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- 239000002184 metal Substances 0.000 description 1
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The present invention relates to lighting technical field, particularly relate to a kind of method and illuminator of automatic adjustment light source intensity, comprising: detection light source yaw rate, draw light source deflection angle according to light source yaw rate integration; When light source deflection angle is more than or equal to predetermined angle threshold value, light source intensity is regulated to weaken light intensity value to presetting; When light source deflection angle is less than predetermined angle threshold value, regulate light source intensity to presetting normal light intensity values.The light source deflection angle obtained to utilize checkout gear to detect is for foundation; judge whether the irradiating angle of light source exceeds the angular range of normal illumination; if exceed this angular range; then processor control light intensity adjusting device weakens light source intensity automatically; it is made to reach eyes direct-view acceptable safe range; initiatively protect eyes to endanger from high light, what prevent eyes direct-view dazzle source from causing is dazzling, glare problem.
Description
Technical field
The present invention relates to lighting technical field, particularly relate to a kind of method and illuminator of automatic adjustment light source intensity.
Background technology
When study at night, reading, marginal ray environment is general comparatively dark, and desk lamp has become the requisite illuminations of people.When utilizing desk lamp to throw light on, there are some not conventional illuminations sometimes unexpected, as knocked desk lamp down, touching askew desk lamp etc.; Now the notice of people is inevitably attracted by desk lamp and makes eyes unconscious direct-view desk lamp light source.Present desk lamp generally all adopts dazzle source, after being looked at straight, can form Central scotoma, cause long blurring of vision, cause damage to eyes on the retina of human eye by human eye.Also regulation is had to desk lamp light source height in the national standard that desk lamp is relevant, require that desk lamp light source height can not exceed certain limit, to ensure to avoid eyes can look at light source straight easily in use desk lamp process, more absolutely prove that eyes direct-view light source can cause damage to human eye.At present; desk lamp on market; for dazzling, dazzle harm that desk lamp light source direct irradiation human eye causes; only on the fixed angle of lampshade, be provided with protective device, this protective device can only protect eye-safe when the illumination of desk lamp routine, when desk lamp not conventional illumination occurs surprisingly; during the unconscious direct-view light source of human eye; what just cannot prevent eyes direct-view dazzle source from causing is dazzling, and glare problem, can not endanger by high light by digital preservation eyes.
Summary of the invention
The object of the invention is to the method and the illuminator that propose a kind of automatic adjustment light source intensity; not conventional illumination is there is unexpected at light source; during the unconscious direct-view light source of human eye; automatically light source intensity can be weakened; eyes are initiatively protected to endanger from high light; what prevent eyes direct-view dazzle source from causing is dazzling, glare problem.
For reaching this object, the present invention by the following technical solutions:
First aspect, provides a kind of method of automatic adjustment light source intensity, comprising:
Detection light source yaw rate, draws light source deflection angle according to light source yaw rate integration;
When light source deflection angle is more than or equal to predetermined angle threshold value, light source intensity is regulated to weaken light intensity value to presetting;
When light source deflection angle is less than predetermined angle threshold value, regulate light source intensity to presetting normal light intensity values.
Wherein, described light source yaw rate is bulb yaw rate; Light source deflection angle is bulb deflection angle.
Wherein, described light source yaw rate is the lampshade yaw rate being fixed on bulb outside, and light source deflection angle is the lampshade deflection angle being fixed on bulb outside.
Wherein, described light source yaw rate is detected by gyroscope and obtains.
Wherein, described adjustment light source intensity also comprises after extremely presetting and weakening light intensity value:
Start timer and start timing, after arriving preset time threshold, obtain light source deflection angle;
When light source deflection angle is less than predetermined angle threshold value, close timer;
When light source deflection angle is more than or equal to predetermined angle threshold value, closes timer and start alarm; After alarm starts, obtain light source deflection angle; If when light source deflection angle is less than predetermined angle threshold value, close alarm.
Wherein, before detection light source yaw rate, also comprise: setting predetermined angle threshold value; Setting is preset and is weakened light intensity value and default normal light intensity values.
Wherein, before detection light source yaw rate, also comprise: setting preset time threshold.
Wherein, described alarm is buzzer.
Second aspect, provide a kind of illuminator of automatic adjustment light source intensity, comprise light source and the support for supporting light sources, light source is connected with support, light source is fixed for the checkout gear of detection light source yaw rate;
The inside of support arranges the light intensity adjusting device for regulating light source intensity; And during for being more than or equal to predetermined angle threshold value when the light source deflection angle drawn according to light source yaw rate integration, control light intensity adjusting device to regulate light source intensity to weaken light intensity value to presetting, when the deflection angle drawn according to light source yaw rate integration is less than predetermined angle threshold value, controls light intensity adjusting device and regulating light source intensity to the processor presetting normal light intensity values;
The signal output part of described checkout gear is connected with the signal input part of described processor, and the control output end of described processor is connected with the control input end of described light intensity adjusting device.
Wherein, described light source is bulb, and checkout gear is fixed on bulb.
Wherein, described light source comprises bulb and lampshade, and lampshade is fixed on bulb outside, and checkout gear is fixed on lampshade.
Wherein, described checkout gear is gyroscope.
Wherein, the illuminator of described automatic adjustment light source intensity, also comprise timer and alarm, timer is connected with processor respectively with alarm.
Wherein, described alarm is buzzer.
Wherein, described light source comprises LED and secondary optics part.
Wherein, described light source bag electricity-saving lamp and secondary optics part.
Beneficial effect of the present invention is: a kind of method of automatic adjustment light source intensity and illuminator, comprising: detection light source yaw rate, draws light source deflection angle according to light source yaw rate integration; When light source deflection angle is more than or equal to predetermined angle threshold value, light source intensity is regulated to weaken light intensity value to presetting; When light source deflection angle is less than predetermined angle threshold value, regulate light source intensity to presetting normal light intensity values.The light source deflection angle obtained to utilize checkout gear to detect is for foundation; judge whether the irradiating angle of light source exceeds the angular range of normal illumination; if exceed this angular range; then processor control light intensity adjusting device weakens light source intensity automatically; it is made to reach eyes direct-view acceptable safe range; initiatively protect eyes to endanger from high light, what prevent eyes direct-view dazzle source from causing is dazzling, glare problem.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing the embodiment of the present invention is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the content of the embodiment of the present invention and these accompanying drawings.
Fig. 1 is the flow chart of the method for the automatic adjustment light source intensity that the specific embodiment of the invention 1 provides;
Fig. 2 is the flow chart of the method for the automatic adjustment light source intensity that the specific embodiment of the invention 2 provides;
Fig. 3 is the structural representation of the illuminator of the automatic adjustment light source intensity that the specific embodiment of the invention 3 provides;
Fig. 4 is the conventional illumination condition schematic diagram of the illuminator of the automatic adjustment light source intensity that the specific embodiment of the invention 3 provides;
Fig. 5 is the not conventional illumination condition schematic diagram of the illuminator of the automatic adjustment light source intensity that the specific embodiment of the invention 3 provides;
Fig. 6 is the structural representation of the illuminator of the automatic adjustment light source intensity that the specific embodiment of the invention 4 provides.
Detailed description of the invention
The technical problem solved for making the present invention, the technical scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technical scheme of accompanying drawing to the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those skilled in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the flow chart of the method for the automatic adjustment light source intensity provided for the specific embodiment of the invention 1; The control subject of the present embodiment method is processor.
A method for automatic adjustment light source intensity, comprises the steps:
S101, detection light source yaw rate, draw light source deflection angle according to light source yaw rate integration;
S102, when light source deflection angle is more than or equal to predetermined angle threshold value, regulate light source intensity to preset weakens light intensity value;
S103, when light source deflection angle is less than predetermined angle threshold value, regulate light source intensity to preset normal light intensity values.
Preset and weaken never dazzling and visible two aspects of the determination of light intensity value and consider, be preferably a half intensity of default normal light intensity values.
Wherein, described light source yaw rate is detected by gyroscope and obtains.
Gyroscope can be used for measuring object in any direction upper deflecting time angular speed, to just obtaining the angle of gyroscope at section intrinsic deflection sometime after this angular speed integration.
Angle gyroscope instrument directly exports deflection angle angle value to after the angular velocity data Integral Processing of gyroscope survey, generally exports the d. c. voltage signal of the proportional or mechanical periodicity of deflection angle angle value therewith by means of potentiometer.
The present embodiment can adopt gyroscope survey and processor process to draw the mode of deflection angle angle value, and angle gyroscope instrument also can be adopted directly to export the mode of deflection angle angle value.
Wherein, described light source yaw rate is bulb yaw rate; Light source deflection angle is bulb deflection angle.
When gyroscope is fixed in bulb metal pedestal, then gyroscope survey is bulb yaw rate, and the light source deflection angle that integration draws is bulb deflection angle.
Wherein, described light source yaw rate is the lampshade yaw rate being fixed on bulb outside, and light source deflection angle is the lampshade deflection angle being fixed on bulb outside.
Lampshade is fixed on bulb outside, and when gyroscope is fixed on lampshade, then gyroscope survey is lampshade yaw rate, and the light source deflection angle that integration draws is lampshade deflection angle.
A kind of method of automatic adjustment light source intensity; with light source deflection angle for foundation; judge whether the irradiating angle of light source exceeds the angular range of normal illumination; if exceed this angular range; then automatically weaken light source intensity, make it reach eyes direct-view acceptable safe range, initiatively protect eyes to endanger from high light; what prevent eyes direct-view dazzle source from causing is dazzling, glare problem.
As shown in Figure 2, the flow chart of the method for automatic adjustment light source intensity that provides of the specific embodiment of the invention 2; The present embodiment method add method initialize and timing, alarming step.
S201, setting predetermined angle threshold value; Setting is preset and is weakened light intensity value and default normal light intensity values.
Predetermined angle threshold value really normal root considers according to the degree of depth of the bulb external form of light source, secondary optics part and lampshade.
S202, setting preset time threshold.
Preset time threshold can be set to 1 minute, 2 minutes or 3 minutes, and this preset time threshold can be understood as the stand-by period waiting for that the not conventional illumination condition of user to light source is made a response.
It is pointed out that step S201 and step S202 does not have sequencing relation.
S203, detection light source yaw rate, draw light source deflection angle according to light source yaw rate integration;
S204, when light source deflection angle is more than or equal to predetermined angle threshold value, regulate light source intensity to preset weakens light intensity value; Continue step S205 and step S206.It is pointed out that step S205 and step S206 does not have sequencing relation.
S205, when light source deflection angle is less than predetermined angle threshold value, regulate light source intensity to preset normal light intensity values.
S206, startup timer start timing, after arriving preset time threshold, obtain light source deflection angle;
S207, when light source deflection angle is less than predetermined angle threshold value, close timer;
S208, when light source deflection angle is more than or equal to predetermined angle threshold value, closes timer and also start alarm; After alarm starts, obtain light source deflection angle; If when light source deflection angle is less than predetermined angle threshold value, close alarm.
When light source deflection angle is more than or equal to predetermined angle threshold value, illustrate that light source is in not conventional illumination condition, light intensity adjusting device regulates light source intensity to weaken light intensity value to presetting, restart timer and start timing, wait for that the not conventional illumination condition of user to light source is made a response, if after arrival preset time threshold, user makes a response to the not conventional illumination condition of light source, light source is made to be in conventional illumination condition, then close timer, if after arrival preset time threshold, user does not also make a response to the not conventional illumination condition of light source, then start alarm, report to the police to user, the not conventional illumination condition of user to light source is reminded to make a response, when showing that light source deflection angle is less than predetermined angle threshold value if again detect, illustrate that user makes a response to the not conventional illumination condition of light source, then close alarm.
When this embodiment method can helping user to withdraw from a room not knowing surprisingly to knock light source down, getting back to room adjustment light source in time because of the prompting of alarm to conventional illumination condition, ensureing that user is to the safe handling of light source.
Preferably, described alarm is buzzer.Buzzer is audibly reported to the police to user, even if user and light source are not in same room, also can remind user in time.
As shown in Figure 3, the structural representation of the illuminator of the automatic adjustment light source intensity provided for the specific embodiment of the invention 3.
An illuminator for automatic adjustment light source intensity, comprise light source and the support for supporting light sources, light source is connected with support, light source is fixed for the checkout gear of detection light source yaw rate;
The inside of support arranges the light intensity adjusting device for regulating light source intensity; And during for being more than or equal to predetermined angle threshold value when the light source deflection angle drawn according to light source yaw rate integration, control light intensity adjusting device to regulate light source intensity to weaken light intensity value to presetting, when the deflection angle drawn according to light source yaw rate integration is less than predetermined angle threshold value, controls light intensity adjusting device and regulating light source intensity to the processor presetting normal light intensity values;
The signal output part of described checkout gear is connected with the signal input part of described processor, and the control output end of described processor is connected with the control input end of described light intensity adjusting device.
The present embodiment is for a desk lamp through structure of modification.As shown in Figure 4, the conventional illumination condition schematic diagram of the illuminator of the automatic adjustment light source intensity provided for the specific embodiment of the invention 3; When illuminator is in conventional illumination condition, light source emergent ray cannot enter human eye by direct irradiation, and this using state is safe concerning human eye.As shown in Figure 5, the not conventional illumination condition schematic diagram of the illuminator of the automatic adjustment light source intensity provided for the specific embodiment of the invention 3.Illuminator be in not conventional illumination condition time, light source emergent ray can enter human eye by direct irradiation, and this using state is dangerous concerning human eye, human eye can be caused dazzling, the problems such as dazzle.
Wherein, described light source is bulb, and checkout gear is fixed on bulb.
Wherein, described light source comprises bulb and lampshade, and lampshade is fixed on bulb outside, and checkout gear is fixed on lampshade.
Wherein, described checkout gear is gyroscope.
Above two kinds of structures are common structures of current desk lamp, no matter are that gyroscope is fixed on bulb, are still fixed on the lampshade that is connected with bulb, gyroscope survey be all the yaw rate of light source.
As shown in Figure 6, the structural representation of the illuminator of the automatic adjustment light source intensity provided for the specific embodiment of the invention 4.The present embodiment illuminator adds timer and alarm, and checkout gear adopts gyroscope.
An illuminator for automatically adjust light strength degree, also comprise timer and alarm, timer is connected with processor respectively with alarm.
Processor controls timer and alarm respectively, and the signal output part of timer is connected with the signal input part of processor, and the control output end of processor is connected with the control input end of alarm.
Preferably, described alarm is buzzer.
Wherein, described light source comprises LED and secondary optics part.
Light intensity adjusting device can adopt linear regulation, PWM technology or use SET resistance mode to regulate light source intensity angle value.
Linear regulation is in LED drived control IC, use outside SET resistance to realize the brightness adjustment control of LED; PWM technology, for utilizing PMW control signal, regulates the luminosity of LED by the dutycycle of the forward operating current of control LED; SET resistance is used to be the transfer resistance in parallel different at LED drived control IC pin RSET two ends, use a DC voltage that the electric current of LED drived control IC pin RSET is set, thus change the forward operating current of LED, reach the object regulating LED luminosity.
Wherein, described light source bag electricity-saving lamp and secondary optics part.
The luminous intensity of electricity-saving lamp regulates the general supply voltage adjustment luminous intensity being changed electricity-saving lamp power supply unit by brightness stability device, or regulates luminous intensity by phase controlling.
Above two kinds of light-source structures are common structures of current desk lamp light source, can send the light meeting lighting demand.
A kind of illuminator of automatically adjust light strength degree; the light source deflection angle obtained to utilize checkout gear to detect is for foundation; judge whether the irradiating angle of light source exceeds the angular range of normal illumination; if exceed this angular range; then processor control light intensity adjusting device weakens light source intensity automatically, makes it reach eyes direct-view acceptable safe range, initiatively protects eyes to endanger from high light; what prevent eyes direct-view dazzle source from causing is dazzling, glare problem.
Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (15)
1. automatically regulate a method for light source intensity, it is characterized in that, comprising:
Detection light source yaw rate, draws light source deflection angle according to light source yaw rate integration;
When light source deflection angle is more than or equal to predetermined angle threshold value, light source intensity is regulated to weaken light intensity value to presetting;
When light source deflection angle is less than predetermined angle threshold value, regulate light source intensity to presetting normal light intensity values;
Described adjustment light source intensity also comprises after extremely presetting and weakening light intensity value:
Start timer and start timing, after arriving preset time threshold, obtain light source deflection angle;
When light source deflection angle is less than predetermined angle threshold value, close timer;
When light source deflection angle is more than or equal to predetermined angle threshold value, closes timer and start alarm; After alarm starts, obtain light source deflection angle; If when light source deflection angle is less than predetermined angle threshold value, close alarm.
2. the method for automatic adjustment light source intensity according to claim 1, is characterized in that, described light source yaw rate is bulb yaw rate; Light source deflection angle is bulb deflection angle.
3. the method for automatic adjustment light source intensity according to claim 1, is characterized in that, described light source yaw rate is the lampshade yaw rate being fixed on bulb outside, and light source deflection angle is the lampshade deflection angle being fixed on bulb outside.
4. the method for automatic adjustment light source intensity according to claim 1, is characterized in that, described light source yaw rate is detected by gyroscope and obtains.
5. the method for automatic adjustment light source intensity according to claim 1, is characterized in that, before detection light source yaw rate, also comprise:
Setting predetermined angle threshold value;
Setting is preset and is weakened light intensity value and default normal light intensity values.
6. the method for automatic adjustment light source intensity according to claim 1, is characterized in that, before detection light source yaw rate, also comprise:
Setting preset time threshold.
7. the method for automatic adjustment light source intensity according to claim 1, is characterized in that, described alarm is buzzer.
8. automatically regulate an illuminator for light source intensity, comprise light source and the support for supporting light sources, light source is connected with support, it is characterized in that,
Light source is fixed for the checkout gear of detection light source yaw rate;
The inside of support arranges the light intensity adjusting device for regulating light source intensity; And during for being more than or equal to predetermined angle threshold value when the light source deflection angle drawn according to light source yaw rate integration, control light intensity adjusting device to regulate light source intensity to weaken light intensity value to presetting, when the deflection angle drawn according to light source yaw rate integration is less than predetermined angle threshold value, controls light intensity adjusting device and regulating light source intensity to presetting normal light intensity values; Described adjustment light source intensity starts timer and starts timing after extremely presetting and weakening light intensity value, after arriving preset time threshold, obtains light source deflection angle; When light source deflection angle is less than predetermined angle threshold value, close timer; When light source deflection angle is more than or equal to predetermined angle threshold value, closes timer and start alarm; After alarm starts, obtain light source deflection angle; If when light source deflection angle is less than predetermined angle threshold value, close the processor of alarm;
The signal output part of described checkout gear is connected with the signal input part of described processor, and the control output end of described processor is connected with the control input end of described light intensity adjusting device.
9. the illuminator of automatic adjustment light source intensity according to claim 8, it is characterized in that, described light source is bulb, and checkout gear is fixed on bulb.
10. the illuminator of automatic adjustment light source intensity according to claim 8, it is characterized in that, described light source comprises bulb and lampshade, and lampshade is fixed on bulb outside, and checkout gear is fixed on lampshade.
The illuminator of 11. automatic adjustment light source intensity according to claim 8, it is characterized in that, described checkout gear is gyroscope.
The illuminator of 12. automatic adjustment light source intensity according to claim 8, it is characterized in that, also comprise timer and alarm, timer is connected with processor respectively with alarm.
The illuminator of 13. automatic adjustment light source intensity according to claim 12, it is characterized in that, described alarm is buzzer.
The illuminator of 14. automatic adjustment light source intensity according to claim 8, it is characterized in that, described light source comprises LED and secondary optics part.
The illuminator of 15. automatic adjustment light source intensity according to claim 8, is characterized in that, described light source bag electricity-saving lamp and secondary optics part.
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| CN104582161A (en) * | 2014-12-27 | 2015-04-29 | 宁波冠耀电子科技有限公司 | Multifunctional intelligent LED light bar |
| KR101944868B1 (en) * | 2016-12-30 | 2019-04-17 | (주)현대포멕스 | Automatic light control apparatus capable of regulating output of light apparatus according to distance between light apparatus and subject |
| CN110296700A (en) * | 2018-03-23 | 2019-10-01 | 苏州启铭臻楠电子科技有限公司 | A kind of stage Adjustable head lamp movenent performance detection method based on MEMS sensor |
| CN109469846A (en) * | 2018-11-05 | 2019-03-15 | 横店集团得邦照明股份有限公司 | A kind of desk lamp and its implementation of detection light emitting angle adjustment light emission luminance |
| CN110107832B (en) * | 2019-05-09 | 2021-08-03 | 苏州佳世达电通有限公司 | Lamp fitting |
| CN111556603A (en) * | 2020-04-20 | 2020-08-18 | 星络智能科技有限公司 | Household lighting control method, system, computer equipment and readable storage medium |
| CN115486811B (en) * | 2022-08-31 | 2023-07-21 | 广东旭宇光电有限公司 | Lighting method, device, equipment and storage medium for protecting eyes of children |
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