CN106535388A - LED desk lamp capable of automatically adjusting illumination intensity - Google Patents
LED desk lamp capable of automatically adjusting illumination intensity Download PDFInfo
- Publication number
- CN106535388A CN106535388A CN201610874579.3A CN201610874579A CN106535388A CN 106535388 A CN106535388 A CN 106535388A CN 201610874579 A CN201610874579 A CN 201610874579A CN 106535388 A CN106535388 A CN 106535388A
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- signal
- telecommunication
- desk lamp
- lamp
- signal processor
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
-
- 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
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses an LED desk lamp capable of automatically adjusting illumination intensity. The LED desk lamp comprises a desk lamp body, wherein the desk lamp body is provided with a desk lamp control system, the desk lamp control system comprises a first photoelectric sensor, a first signal processor, a first infrared sensor, a second signal processor, an AND gate circuit, an LED illuminating lamp, a second photoelectric sensor, an A/D converter and a microcontroller. The LED desk lamp disclosed by the invention can realize the automatic turning on and off of the desk lamp, can automatically adjust the illumination intensity of the LED illuminating lamp according to external light intensity, is scientific and reasonable, is conductive to protecting vision of the user, can omit manual operation, is convenient for the user to use, and can avoid energy waste.
Description
Technical field
The present invention relates to a kind of LED desk lamp, in more detail, is related to a kind of self-adjustable LED desk lamp of intensity of illumination.
Background technology
The desk lamp light source of early stage typically has electric filament lamp and fluorescent lamp.Shown according to related data, electric filament lamp only has 5% electricity
Consume in luminous lighting, other are all converted into thermal energy consumption and fall, summer using even burning sensation can have been made one, due to white heat
Lamp filament light-emitting is relatively concentrated, therefore its power is slightly larger will produce dazzle, conversely, and brightness can be caused inadequate；And common fluorescent
The desk lamp of lamp, due to due to power supply mode, is caused its brightness unadjustable, easily causes energy waste, meanwhile, because of its power supply electricity
Source frequency is 50 hertz, belongs to low-frequency strobe light, the regulation organ of human eye can be made in tension, vision is easily caused tired
Labor.
For the problems referred to above, LED desk lamp on market, is occurred in that, LED desk lamp is exactly with LED (Light Emitting
Diode) i.e. light emitting diode is the desk lamp of light source, and LED is a kind of semiconductor device of solid-state, and it directly can be converted into electricity
Light, as the third generation lighting engineering after electric filament lamp, fluorescent lamp, with energy-saving and environmental protection and it is safe and reliable the characteristics of, be not only
The revolution of lighting field, and meet the requirement of " Resources for construction economizing type and the friendly environment society " of current governmental proposition.
Common LED desk lamp has a disadvantage that：1st, intensity of light can not be automatically adjusted according to actual intensity of illumination；2nd, need
User oneself opens and closes, if surrounding is dark or invisible, to being unfamiliar with the user of desk lamp and desk lamp surrounding
For, the switch of desk lamp to be found is not a nothing the matter；If the 3, user is busy and leaving and having forgotten to close desk lamp power supply
Close, will result in energy waste.
The content of the invention
The purpose of the present invention be overcome prior art in LED desk lamp cannot both realize automatically adjusting intensity of light, also cannot
A kind of realization awkward problem that opens and closes automatically and cause, there is provided the self-adjustable LED desk lamp of intensity of illumination,
Its realization is opened and closed automatically, and according to the light levels of environment controlling the intensity of illumination of LED desk lamp, not only saved manpower but also
Unnecessary energy waste can be avoided.
The present invention is solved the above problems by the following technical programs：
The self-adjustable LED desk lamp of intensity of illumination, including table lamp body, the table lamp body is provided with desk lamp control system,
The desk lamp control system includes the first photoelectric sensor, the first signal processor, the first infrared sensor, secondary signal process
Device and gate circuit, LED illumination lamp, the second photoelectric sensor, A/D converter and microcontroller；First photoelectric sensor：
For detecting the light intensity signal in LED desk lamp place space and light intensity signal being converted to the signal of telecommunication, then the signal of telecommunication is passed
Give the first signal processor；First signal processor：For receive photoelectric sensor transmission the signal of telecommunication and to telecommunications
Number it is amplified and compares, then detects effective trigger, then trigger is sent to and gate circuit；Described first is red
Outer sensor：For detecting whether with the presence of human body signal near the LED desk lamp, and detection signal is converted to into the signal of telecommunication,
Then send the signal of telecommunication to secondary signal processor；The secondary signal processor：For receiving the first infrared sensor
The signal of telecommunication is simultaneously amplified and is compared to the signal of telecommunication, then detects effective trigger, then trigger is sent to and door
Circuit；Described and gate circuit：For receiving the trigger of the first signal processor and the transmission of secondary signal processor, Ran Hougen
Corresponding control signal is exported again according to different trigger combinations, and sends control signal to microcontroller；Second light
Electric transducer：For detecting the light intensity signal in LED desk lamp place space and light intensity signal being converted to the signal of telecommunication, then will
The signal of telecommunication sends A/D converter to；The A/D converter：The simulation is simultaneously believed by the signal for the second photoelectric sensor of reception
Number digital signal is converted to, then sends digital signal to microcontroller；The microcontroller：Pass with gate circuit for receiving
The control signal sent simultaneously is processed, and then controls the opening and closing of LED illumination lamp, is additionally operable to receive the numeral letter of A/D converter
Number and according to received digital signal adjust LED illumination lamp light levels；The LED illumination lamp：Receive microcontroller
Control, is used for illuminating after unlatching, is closed when not meeting unlocking condition immediately.During using the present invention, only when desk lamp ambient
When being attenuated to someone near setting value and desk lamp, the LED illumination lamp that microcontroller can just control to cut out opens illumination, conversely,
When light intensity of the desk lamp neighbouring someone around desk lamp more than the light intensity around setting value or desk lamp less than setting value
Desk lamp when there be nobody nearby, will not open by the LED illumination lamp of closing, and the LED illumination lamp opened is under the control of the micro-controller
Can be automatically switched off, the again purpose of energy-conservation while ensureing automatization so as to reach；In addition, in the case where LED illumination lamp is opened,
Microcontroller can automatically adjust the intensity of illumination of LED illumination lamp according to the second photoelectric sensor, be conducive to protecting vision.
Further, the desk lamp control system is also carried including the second infrared sensor, the 3rd signal processor and voice
Show device；Second infrared sensor：For detecting the distance between human body and described LED illumination lamp, and detection signal is turned
The signal of telecommunication is changed to, then the signal of telecommunication is sent to the 3rd signal processor；3rd signal processor：It is red for receiving second
The signal of telecommunication of outer sensor transmission, and the signal of telecommunication is amplified and is compared, effective trigger is then detected, then will triggering
Signal sends microcontroller to；The microcontroller：It is additionally operable to receive the trigger of the 3rd signal processor transmission and process,
Then send the signal after process to voice prompting device；The voice prompting device：For receiving the signal of microcontroller transmission
And suggestion voice or closing suggestion voice are sent according to signal.In order to avoid human body proximity even zero distance contact LED illumination
Lamp, the present invention are provided with voice prompting device, once the second infrared sensor detects human body with the distance of LED illumination lamp less than pre-
If value is issued by voice message, prevent human body from excessively causing visual fatigue near light source.
Further, first infrared sensor and the second infrared sensor are pyroelectric infrared sensor.This
The pyroelectric infrared sensor of bright employing itself will not send any kind of radiation, and device power consumption is little, good concealment, and valency
Lattice are cheap, not only environmental protection but also can reduces cost.
The beneficial effects of the present invention is：
1st, one aspect of the present invention can automatically adjust the intensity of illumination of LED illumination lamp according to light intensity, be conducive to protecting vision；
On the other hand can with according to the light intensity near desk lamp whether around someone and desk lamp whether less than setting value come control station
The opening and closing of lamp, it is scientific and reasonable, artificial operation can be both saved, has been user-friendly to, energy waste can be avoided again.
2nd, by voice prompting device reminding user and lamp source to keep certain distance, human body can be prevented effectively from because excessively leaning on
Close to sources and cause visual fatigue.
3rd, pyroelectric infrared sensor used is not only radiationless but also cheap, not only environmental protection again can reduce it is of the invention into
This.
Description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention.
Specific embodiment
For making the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and the exemplary embodiment of the present invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment
As shown in figure 1, the present embodiment provides a kind of intensity of illumination self-adjustable LED desk lamp, including table lamp body, platform
Lamp body is provided with desk lamp control system, and desk lamp control system includes the first photoelectric sensor, the first signal processor, first red
Outer sensor, secondary signal processor and gate circuit, the second infrared sensor, the 3rd signal processor, voice prompting device, LED
Illuminating lamp, the second photoelectric sensor, A/D converter and microcontroller；
First photoelectric sensor：For detecting the light intensity signal in LED desk lamp place space and light intensity signal being converted to the signal of telecommunication,
Then send the signal of telecommunication to first signal processor；First signal processor：For receiving the telecommunications of photoelectric sensor transmission
Number and the signal of telecommunication is amplified and is compared, then detect effective trigger, then trigger sent to and gate circuit；
First infrared sensor：For detecting whether with the presence of human body signal near LED desk lamp, and detection signal is converted to into telecommunications
Number, then send the signal of telecommunication to secondary signal processor；Secondary signal processor：For receiving the electricity of the first infrared sensor
Signal is simultaneously amplified and is compared to the signal of telecommunication, then detects effective trigger, then trigger is sent to and door electricity
Road；With gate circuit：For receiving the trigger of the first signal processor and the transmission of secondary signal processor, then according to difference
Trigger combination export corresponding control signal again, and send control signal to microcontroller；Second infrared sensor：With
In the distance between detection human body and LED illumination lamp, and detection signal is converted to into the signal of telecommunication, then sends the signal of telecommunication to the
Three signal processors；3rd signal processor：For receiving the signal of telecommunication of the second infrared sensor transmission, and the signal of telecommunication is carried out
Amplify and compare, then detect effective trigger, then send trigger to microcontroller；Second photoelectric sensor：
For detecting the light intensity signal in LED desk lamp place space and light intensity signal being converted to the signal of telecommunication, then the signal of telecommunication is sent to
A/D converter；A/D converter：The analogue signal is simultaneously converted to digital signal by the signal for the second photoelectric sensor of reception,
Then send digital signal to microcontroller；Microcontroller：For receive with gate circuit transmit control signal and process, so
The opening and closing of LED illumination lamp are controlled afterwards, are additionally operable to receive the digital signal of A/D converter and according to the numeral letter for being received
Number adjust LED illumination lamp light levels, be additionally operable to receive the 3rd signal processor transmission trigger and process, then will
Signal after process sends voice prompting device to；Voice prompting device：For receive microcontroller transmission signal and according to signal
Send suggestion voice or close suggestion voice；LED illumination lamp：Receive the control of microcontroller, be used for illuminating after unlatching, do not meet
Closed during unlocking condition immediately.
In the present embodiment, the model of the first pyroelectric infrared sensor and the second pyroelectric infrared sensor is
LH1958, the model of the first signal processor, secondary signal processor and the 3rd signal processor are BISS0001, the first light
The model of electric transducer and the second photoelectric sensor is LS-H21, model ADC0809 of A/D converter, microcontroller
Model STC89C51.
When implementing the present embodiment, the light intensity for only detecting when the first photoelectric sensor is red less than preset value and first
Outer sensor detects the two conditions of human body information while when meeting, LED illumination lamp just can be held under the control of the micro-controller
Illumination is opened, once above-mentioned two condition has one to be unsatisfactory for, then the LED illumination lamp opened can be closed under the control of the micro-controller
Close, and the LED illumination lamp closed may proceed to close, so as to avoid unnecessary energy waste.
In addition, the core of the second photoelectric sensor is photoconductive resistance, the resistance of photoconductive resistance changes with the strong and weak of incident illumination
Become, finally sending ADC0809 in the way of voltage signal carries out analog digital conversion, each voltage one pulse of correspondence, and
STC89C51 chips carry PWM functions, have different PWM duty cycles according to the difference of pulse voltage, finally cause LED brightness
Change.When indoor light intensity is stronger, the resistance of photoconductive resistance is less, and voltage is less, and the dutycycle of PWM is less, and LED shines
The average current of bright lamp output is also less, and LED illumination lamp is darker, conversely, LED illumination lamp is brighter, so as to realize LED illumination lamp
Brightness regulation.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, the be should be understood that specific embodiment that the foregoing is only the present invention is not intended to limit the present invention
Protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. all should include
Within protection scope of the present invention.
Claims (3)
1. the self-adjustable LED desk lamp of intensity of illumination, including table lamp body, it is characterised in that the table lamp body is provided with
Desk lamp control system, the desk lamp control system include the first photoelectric sensor, the first signal processor, the first infrared sensing
Device, secondary signal processor and gate circuit, LED illumination lamp, the second photoelectric sensor, A/D converter and microcontroller；
First photoelectric sensor：For detecting the light intensity signal in LED desk lamp place space and changing light intensity signal
For the signal of telecommunication, then the signal of telecommunication is sent to first signal processor；
First signal processor：For receiving the signal of telecommunication of photoelectric sensor transmission and the signal of telecommunication being amplified and compared
Compared with then detecting effective trigger, then trigger sent to and gate circuit；
First infrared sensor：For detecting whether with the presence of human body signal near the LED desk lamp, and by detection signal
The signal of telecommunication is converted to, then the signal of telecommunication is sent to secondary signal processor；
The secondary signal processor：The signal of telecommunication for the first infrared sensor of reception is simultaneously amplified and is compared to the signal of telecommunication
Compared with then detecting effective trigger, then trigger sent to and gate circuit；
Described and gate circuit：For receiving the trigger of the first signal processor and the transmission of secondary signal processor, Ran Hougen
Corresponding control signal is exported again according to different trigger combinations, and sends control signal to microcontroller；
Second photoelectric sensor：For detecting the light intensity signal in LED desk lamp place space and changing light intensity signal
For the signal of telecommunication, then the signal of telecommunication is sent to A/D converter；
The A/D converter：The analogue signal is simultaneously converted to digital signal by the signal for the second photoelectric sensor of reception, so
Send digital signal to microcontroller afterwards；
The microcontroller：For receive with gate circuit transmission control signal and process, then control LED illumination lamp unlatching
And closing, it is additionally operable to receive the digital signal of A/D converter and the bright of LED illumination lamp is adjusted according to received digital signal
Degree；
The LED illumination lamp：Receive the control of microcontroller, be used for illuminating after unlatching, closed when not meeting unlocking condition immediately.
2. the self-adjustable LED desk lamp of intensity of illumination according to claim 1, it is characterised in that also red including second
Outer sensor, the 3rd signal processor and voice prompting device；
Second infrared sensor：For detecting the distance between human body and described LED illumination lamp, and detection signal is changed
For the signal of telecommunication, then the signal of telecommunication is sent to the 3rd signal processor；
3rd signal processor：For receiving the signal of telecommunication of the second infrared sensor transmission, and the signal of telecommunication is amplified
With compare, then detect effective trigger, then send trigger to microcontroller；
The microcontroller：It is additionally operable to receive the trigger of the 3rd signal processor transmission and process, then by after process
Signal sends voice prompting device to；
The voice prompting device：Point out for receiving the signal of microcontroller transmission and sending suggestion voice or close according to signal
Voice.
3. the self-adjustable LED desk lamp of intensity of illumination according to claim 1, it is characterised in that described first is infrared
Sensor and the second infrared sensor are pyroelectric infrared sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874579.3A CN106535388A (en) | 2016-10-08 | 2016-10-08 | LED desk lamp capable of automatically adjusting illumination intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874579.3A CN106535388A (en) | 2016-10-08 | 2016-10-08 | LED desk lamp capable of automatically adjusting illumination intensity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106535388A true CN106535388A (en) | 2017-03-22 |
Family
ID=58332344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610874579.3A Pending CN106535388A (en) | 2016-10-08 | 2016-10-08 | LED desk lamp capable of automatically adjusting illumination intensity |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203384924U (en) * | 2013-08-15 | 2014-01-08 | 淮海工学院 | Myopia-preventing energy-saving table lamp |
| CN203554755U (en) * | 2013-10-25 | 2014-04-16 | 南京信息工程大学 | Intelligent table-lamp control device |
| CN204328627U (en) * | 2014-12-27 | 2015-05-13 | 郑州大学 | Intelligent desk lamp |
| CN205480435U (en) * | 2016-03-22 | 2016-08-17 | 潘程晨 | Intelligent eye protection desk lamp |
| CN206077775U (en) * | 2016-10-08 | 2017-04-05 | 四川云在天上科技有限公司 | Possesses the LED desk lamp of intelligent dimming |
-
2016
- 2016-10-08 CN CN201610874579.3A patent/CN106535388A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203384924U (en) * | 2013-08-15 | 2014-01-08 | 淮海工学院 | Myopia-preventing energy-saving table lamp |
| CN203554755U (en) * | 2013-10-25 | 2014-04-16 | 南京信息工程大学 | Intelligent table-lamp control device |
| CN204328627U (en) * | 2014-12-27 | 2015-05-13 | 郑州大学 | Intelligent desk lamp |
| CN205480435U (en) * | 2016-03-22 | 2016-08-17 | 潘程晨 | Intelligent eye protection desk lamp |
| CN206077775U (en) * | 2016-10-08 | 2017-04-05 | 四川云在天上科技有限公司 | Possesses the LED desk lamp of intelligent dimming |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |
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| RJ01 | Rejection of invention patent application after publication |