CN108811259A - A kind of method and inductor being placed in detection natural light in Led lamps and lanterns - Google Patents
A kind of method and inductor being placed in detection natural light in Led lamps and lanterns Download PDFInfo
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- CN108811259A CN108811259A CN201810973277.0A CN201810973277A CN108811259A CN 108811259 A CN108811259 A CN 108811259A CN 201810973277 A CN201810973277 A CN 201810973277A CN 108811259 A CN108811259 A CN 108811259A
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- lanterns
- led lamps
- natural light
- detection
- light intensity
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The present invention provides a kind of methods for being placed in Led lamps and lanterns and detecting natural light, it is characterized in that the light intensity by only detecting the partial spectrum wave-length coverage other than the artificial light spectral region that LED is sent out, the spectral wavelength ranges of artificial spectral region are 380nm-700nm, the light intensity of the partial spectrum wave-length coverage detected is converted to natural light intensity by the global illumination intensity that natural light is characterized according to the light intensity in the part wave-length coverage other than the artificial spectrum of detection by sensor and amplifying circuit or data conversion.Also disclose a kind of inductor realized and be placed in detection natural light in Led lamps and lanterns.The limitation that the present invention passes through the creative intrinsic thinking of breakthrough, detection natural light light intensity purpose is realized by detecting the black light that LED light source cannot be sent out, deft design, implementation are easy, are at low cost, integrated design especially can be achieved, the intensity for realizing accurate detection natural light, realizes to control lamp switch according to ambient brightness and the brightness such as continuously adjust and is precisely controlled.
Description
Technical field
The present invention relates to Led lighting areas, more particularly to a kind of to be placed in the method for detection natural light and induction in Led lamps and lanterns
Device.
Background technology
It is promoted the use of with the high-volume of intelligent lighting, existing technology is being realized according to the threshold values control aspect of light
Using very universal.More and more consumers intentionally get a kind of better product, the lamp when ambient reaches certain value
Tool can turn itself off, oneself is opened when being less than setting value, or according to the brightness of surrounding environment light, automatically adjust the bright of light
Degree, to reach the interaction of artificial light and available light, provides on-demand illumination.The optical sensor being built in lamps and lanterns use when
It waits other than receiving the light of extraneous natural light, also receives the other artificial lights of artificial light or periphery that lamps and lanterns itself are sent out,
The available light that the artificial light intensity that this LED itself or periphery lamps and lanterns are sent out in the overwhelming majority is far longer than environment is strong
Degree, therefore the intensity of surrounding enviroment natural light effectively can not be accurately detected, therefore also just can not really realize according to nature
The intensity of light realizes brightness and the Push And Release for automatically controlling lamps and lanterns；For the problem and actual demand, everybody can only use LED light
The method that tool is provided separately with sensor, the scheme for such as drawing optical sensor by lead allow optical sensor far from lamps and lanterns sheet
Body, to achieve the effect that only to acquire a natural light, however this scheme difficult wiring in actual use, it influences appearance and uses,
It is difficult to high-volume to promote, and of high cost.
Invention content
For disadvantages described above, present invention aims at how to realize to be built in LED lamp without by the artificial of lamps and lanterns
The intensity of accurate detection natural light is realized in the interference of light.
In order to solve problem above, the present invention proposes a kind of method being placed in detection natural light in Led lamps and lanterns, feature
It is only to detect the light intensity of the partial spectrum wave-length coverage other than artificial light spectral region, the artificial spectrum is LED's
Luminescent spectrum, spectral wavelength ranges 380nm-700nm；According in the partial spectrum wave-length coverage other than the artificial spectrum of detection
Light intensity characterize the global illumination intensity of natural light, will be detected by optical sensor and amplifying circuit or data conversion
The light intensity of partial spectrum wave-length coverage be converted to natural light intensity.
The method for being placed in detection natural light in Led lamps and lanterns, it is characterised in that only detection ultraviolet light, near-infrared or red
The light intensity of outer portion spectral wavelength ranges.
The method for being placed in detection natural light in Led lamps and lanterns, it is characterised in that the optical sensor used is photosensitive light
Spectrum wavelength range detects the light intensity of near-infrared partial spectrum wave-length coverage in the light-sensitive element of 700nm-1100nm.
It is a kind of to realize the inductor for being placed in detection natural light in Led lamps and lanterns, including human motion induction module, movable signal
Amplification module, Natural light intensity detection module, the amplification of Natural light intensity signal, central processing unit, setting interface, execution circuit module,
It is characterized in that the optical sensor in Natural light intensity detection module is the portion other than the artificial light spectral region that only detection LED is sent out
The light-sensitive element of spectral wave-length coverage.
The realization is placed in the inductor of detection natural light in Led lamps and lanterns, it is characterised in that the light-sensitive element
Photoactive spectrum wave-length coverage is in 700nm-1100nm.
The realization is placed in the inductor of detection natural light in Led lamps and lanterns, it is characterised in that light-sensitive element is photosensitive electricity
Resistance, photodiode, phototriode, photodiode, silicon photocell, photosensitive IC or ambient light sensor.
The realization is placed in the inductor of detection natural light in Led lamps and lanterns, it is characterised in that central processing unit includes people
Body movable signal processing circuit, sampled signal processing, executes signal generation at A/D luminosity samplings；Execute signal generator module according to
Different requirements exports different signals, and output signal is sinusoidal ac all-wave, half-wave signa, 0-10V dim signals, 1-
10V dim signals, low and high level signal, PWM pulse-width signals carry out break-make control with relay to circuit.
The present invention by the limitation of the creative intrinsic thinking of breakthrough, avoid LED lamp sent out by LED light source it is strongest
Visible light wave-length coverage realizes detection natural light by detecting the black light spectrum that these LED light sources cannot be sent out
Light intensity purpose, deft design, implementation are easy, are at low cost, and integrated design especially can be achieved, LED itself can effectively be overcome to send out
Accurate detection natural light is realized in the artificial light spectral interference that the stronger artificial light spectrum or other lamps and lanterns of periphery gone out is sent out
Intensity, and then realize to control lamp switch according to ambient brightness and the brightness such as continuously adjust and be precisely controlled.
Description of the drawings
Fig. 1 is the light energy distribution map of sunlight：
Fig. 2 is the characteristic curve of existing light-sensitive element；
Fig. 3 is the characteristic curve of near-infrared light-sensitive element；
Fig. 4 is to realize the block diagram for being built in the embodiment 1 of the inductor of the method for detection natural light in Led；
Fig. 5 is to realize the block diagram for being built in the embodiment 2 of the inductor of the method for detection natural light in Led；
Fig. 6 is to realize the block diagram for being built in the embodiment 3 of the inductor of the method for detection natural light in Led.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
In lighting technical field, realize that the illumination intensity of adjust automatically lamps and lanterns realizes intelligent lighting according to the intensity of natural light
It is the most basic demand.Fig. 1 is the light energy distribution figure of sunlight, and ordinate indicates energy per unit area, it can be seen that too
What energy was concentrated the most in sunlight i.e. natural light is visible light part, therefore the prior art is for the intensity detection of natural light
All say the visible light part or include at least visible light part that intrinsic selection detection energy is concentrated the most, and the purpose of artificial light is
Illumination, therefore the spectral wavelength ranges of artificial light must be also selected in the spectral wavelength ranges of visible light to realize efficiency most
Bigization.Artificial light necessarily drops into detection range, therefore the interference is inevitable.
Inventor is tested by analyzing, the creative thinking set for breaching the prior art, according to different spectral wavelengths
Energy distribution ratio of the light of range in natural light be it is relatively-stationary, by detect LED shine except but compare
The light intensity of special spectrum wave-length coverage in close natural light, i.e., near the near-infrared spectrum wavelength of visible wavelength range,
And the intensity close to natural light is calculated according to the light intensity.
Fig. 2 is the characteristic curve of existing light-sensitive element；Fig. 3 is the characteristic curve of near infrared light dependent sensor；
Especially the spectral wavelength of the relatively stronger near-infrared part of selection detection energy comes in the light intensity of 700nm-1100nm ranges
The detection of natural light intensity is realized, also with regard to saying that substituting existing light-sensitive element near infrared light dependent sensor acquires Natural light intensity
Degree.
Fig. 4 is the block diagram for the embodiment 1 for realizing the inductor for being built in the method that natural light is detected in Led, including power supply
Power supply module 1, human motion induction module 2, movable signal amplification module 3, central processing unit 4, execution circuit module 5, nature
Light-intensity test module 6, Natural light intensity signal amplification 7, control interface 8 form.Wherein power supply module 1 provides human motion sense
Answer module 2, movable signal amplification module 3, central processing unit 4, execution circuit module 5, Natural light intensity detection module 6, natural light
Strong signal amplification 7,8 required power supply of control interface, human motion induction module 2 receive human mobile signal by mixing
Detection, is output to movable signal amplification module 3, and the human body that movable signal amplification module 3 passes the signal to central processing unit 4 moves
Dynamic signal processing module is handled, and judges whether that someone is mobile or unmanned mobile.
The detection natural light outside of Natural light intensity detection module 6 is strong, and Natural light intensity signal is sent into the amplification of Natural light intensity signal
7, Natural light intensity signal amplification 7 is amplified Natural light intensity signal, and the A/D light intensity being sent into central processing unit 4 after amplification is adopted
Egf block, sampling module is converted to analog signal the digital signal that central processing unit can identify, by central processing unit
Sampled signal processing module is handled, to detect the intensity of extraneous light.In order to ensure the accuracy of detection, generally want
The data read in a period of time are sought, the light intensity as current time is averaged.
The all light time can be arranged in interface of the control interface 8 as human-computer interaction, turn off light intensity, sensitivity.
When inductor analysis is someone's movement, it is detected simultaneously by external light intensity and is higher than the shutdown light that control interface 8 is arranged
Qiang Shi, the execution signal generator module in central processing unit 4 are not responding to this movable signal, when inductor analysis is that someone moves
When, when being detected simultaneously by external light intensity less than the shutdown light intensity that control interface 8 is arranged, the execution signal production in central processing unit 4
Raw module generates open signal, this signal is output to execution circuit module, and switch K1, switch K2 obtain electric-opening, and AC output ends are defeated
Go out AC full wave voltages, the connect LED drivings of control work in light state, and the duration of this light state is by control interface 8
In the setting all light time determine that after all light time arrives, the generation of execution signal generator module in central processing unit 4 executes electricity
The all light shutdown signal of road module, switch K2 are disconnected, and are exported AC half-wave voltages to the AC output ends of this inductor, are controlled institute
Connect LED driving work in half bright state, at this time Natural light intensity detection module 6 start detect natural light outside it is strong, if currently
The light intensity of time is higher than the setting light intensity in control interface 8, and the execution signal generator module in central processing unit 4 generates entire control
The shutdown signal of system, switch K1 are disconnected, to which the AC output ends of this inductor do not have voltage output, the connect LED of control to drive
Dynamic to work in closed state, it is strong persistently to detect natural light outside for Natural light intensity detection module 6 after closed state, if current time
Light intensity less than the setting light intensity in control interface 8, the execution signal generator module in central processing unit 4 generates execution circuit mould
Half bright open signal of block 5, switch K1 are opened, half-wave voltage is exported to the AC output ends of this inductor, behind connect
LED drivings work in half bright state, realize effect of the LED matrix according to naturally light automatic switch.
Fig. 5 is to realize the block diagram for being built in the embodiment 2 of the inductor of the method for detection natural light in Led, embodiment 2 with
The difference of embodiment 1 is that the voltage of output end and input terminal can be AC voltages, can also be D/C voltage, according to the type of load
It number matches；It is also variant to be that the inductor is only connected to switch K1, execution circuit module 5 by output control switch K1,
Realize the through and off for the LED drivings that control is connect below, that is, only all lights on and all lights off two states.
Fig. 6 is to realize the block diagram for being built in the embodiment 3 of the inductor of the method for detection natural light in Led, embodiment 3 with
The difference of embodiment 1 is that the voltage of output end and input terminal is D/C voltage, and execution circuit module 5 controls field-effect by output
Pipe, realizes the output of pwm control signal, and the work of the LED connect below drivings is controlled by controlling the duty ratio of PWM outputs
State realizes that LED lamp automatically adjusts the brightness of LED lamp output according to naturally luminous intensity.
Above disclosed is only an embodiment of the present invention, cannot limit the interest field of sheet with this certainly,
Those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to the claims in the present invention institute
The equivalent variations of work still fall within the range that the present invention is covered.
Claims (24)
1. a kind of method being placed in detection natural light in Led lamps and lanterns, which is characterized in that include the following steps：
(a) light intensity of the special spectrum wave-length coverage of the natural light of not filtered processing is directly detected；With
(b) energy distribution ratio according to the light of the special spectrum wave-length coverage in natural light calculates detected natural light
Intensity.
2. the method according to claim 1 for being placed in detection natural light in Led lamps and lanterns, wherein in step (a), this is specific
Spectral wavelength ranges are in the spectral wavelength ranges except the luminescent spectrum wave-length coverage of the Led lamps and lanterns, wherein the Led lamps and lanterns
Luminescent spectrum wave-length coverage be 380nm to 700nm.
3. the method according to claim 2 for being placed in detection natural light in Led lamps and lanterns, wherein in step (a), by purple
Outer photosensitive sensor, near infrared light dependent sensor or infrared the photosensitive sensor only ultraviolet light in detection natural light, close red respectively
The light intensity of outer light or infrared part spectral wavelength ranges and the inspection for realizing the light intensity to the special spectrum wave-length coverage
It surveys, wherein the optical element of detection light intensity is only by corresponding ultraviolet photosensitive sensor, near infrared light dependent sensor or infrared
Photosensitive sensor forms, and the detection of the light intensity to the special spectrum wave-length coverage is realized not need colour filter.
4. the method according to claim 2 for being placed in detection natural light in Led lamps and lanterns, wherein in step (a), by sense
Light spectral wavelength ranges detect the light of near-infrared partial spectrum wave-length coverage in the near infrared light dependent sensor of 700nm to 1100nm
Line intensity realizes the detection of the light intensity to the special spectrum wave-length coverage not need colour filter.
5. the method according to claim 3 or 4 for being placed in detection natural light in Led lamps and lanterns, wherein in step (b), inspection
The light intensity signal of the special spectrum wave-length coverage measured is amplified and be converted into digital signal, can be identified simultaneously
Detected natural light intensity is calculated according to this.
6. the method according to claim 5 for being placed in detection natural light in Led lamps and lanterns takes one section wherein in step (b)
Natural light intensity of the average value of Natural light intensity degrees of data in time as current time.
7. a kind of inductor being placed in detection natural light in Led lamps and lanterns, which is characterized in that including：
One central processing unit；With
One Natural light intensity detection module, wherein the Natural light intensity detection module is arranged to using at photoactive spectrum wave-length coverage
The luminescent spectrum wave-length coverage of optical sensor except the luminescent spectrum wave-length coverage of the Led lamps and lanterns, wherein the Led lamps and lanterns is
380nm to 700nm, wherein the optical sensor is communicatively coupled to the central processing unit, wherein the central processing unit is set
Corresponding natural light intensity can be calculated according to the light intensity for the corresponding spectral wavelength ranges that the optical sensor detects by being set to,
Need not spectral wavelength ranges be realized with the detection of natural light intensity for the light colour filter of 380nm to 700nm.
8. the inductor according to claim 7 for being placed in detection natural light in Led lamps and lanterns, wherein the optical sensor is selected from
Ultraviolet photosensitive sensor, near infrared light dependent sensor and one kind in infrared photosensitive sensor or combination, and the natural light
The optical element of detection available light intensity is only by corresponding ultraviolet photosensitive sensor, near-infrared light sensor in strong detection module
Device or infrared photosensitive sensor composition, the detection of natural light intensity is realized not need colour filter.
9. the inductor according to claim 7 for being placed in detection natural light in Led lamps and lanterns, wherein the optical sensor is sense
Light-sensitive element of the light spectral wavelength ranges in 700nm to 1100nm.
10. the inductor for being placed in detection natural light in Led lamps and lanterns according to claim 8 or claim 9, further comprises natural light
Signal amplifies, wherein natural light signal amplification is communicatively coupled between the central processing unit and the optical sensor,
And it is configured to amplify the light intensity signal that the optical sensor detects and is transmitted to the central processing unit.
11. the inductor according to claim 10 for being placed in detection natural light in Led lamps and lanterns, wherein the central processing unit
Including an A/D luminosity sampling modules, wherein the A/D luminosity samplings module is communicatively coupled to the natural optical signal amplification,
The wherein described A/D luminosity samplings module is configured to receive the light intensity signal being amplified from the natural optical signal amplification,
And the light intensity signal being amplified is converted to the digital signal that can be identified by the central processing unit, so that the centre
Detected natural light intensity can be calculated according to the digital signal by managing device.
12. the inductor according to claim 11 for being placed in detection natural light in Led lamps and lanterns, further comprises that one executes electricity
Road module wherein the execution circuit module is communicatively coupled to the central processing unit, and is suitable for and the electrical phase of Led lamps and lanterns
The working condition for even controlling the Led lamps and lanterns, so that the central processing unit can be according to the natural light strength control detected
The execution circuit module ground controls the working condition of the Led lamps and lanterns.
13. the inductor according to claim 12 for being placed in detection natural light in Led lamps and lanterns, wherein the central processing unit
It is equipped with shutdown light intensity value, wherein in the state that the Led lamps and lanterns are remained off by the execution circuit module, when detecting
Natural light intensity when being less than the shutdown light intensity value for being arranged at the central processing unit, held described in central processing unit control
Row circuit module opens the Led lamps and lanterns, and in the state that the Led lamps and lanterns are maintained to open by the execution circuit module, works as inspection
When the natural light intensity measured is higher than the shutdown light intensity value for being arranged at the central processing unit, the central processing unit controls institute
It states execution circuit module and closes the Led lamps and lanterns.
14. the inductor according to claim 13 for being placed in detection natural light in Led lamps and lanterns, further comprises control circle
Face, wherein the control interface is communicatively coupled to the central processing unit, with can be arranged by the control interface it is described in
The shutdown light intensity value of central processor.
15. the inductor for being placed in detection natural light in Led lamps and lanterns according to claim 8 or claim 9, further comprises a human body
Mobile induction module, wherein the human motion induction module generates mobile letter with being configured to response human motion action
Number, wherein the human motion module is communicatively coupled to the central processing unit, can will be acted in response to human motion
The movable signal of generation is transmitted to the central processing unit.
16. the inductor according to claim 15 for being placed in detection natural light in Led lamps and lanterns, further comprises that a movement is believed
Number amplification module, wherein the movable signal amplification module is communicatively coupled to the human body induction module and the central processing
Between device, wherein the movable signal amplification module is configured to receive the human body sensing from the human body induction module
The movable signal that module generates, and the movable signal received is enlargedly transmitted to the central processing unit, so that described
Central processing unit can judge the presence of human motion according to amplified movable signal.
17. the inductor according to claim 16 for being placed in detection natural light in Led lamps and lanterns, further comprises that one executes electricity
Road module, wherein the execution circuit module is communicatively coupled to the central processing unit, and suitable for being electrical connected with the Led lamps and lanterns
Ground controls the working condition of the Led lamps and lanterns, so that the central processing unit can be according to the natural light intensity detected and/or shifting
Dynamic signal controls the working condition that the execution circuit module ground controls the Led lamps and lanterns.
18. the inductor according to claim 17 for being placed in detection natural light in Led lamps and lanterns, further comprises that a power supply supplies
Electric module, wherein the power supply module is electrically connected at the Natural light intensity detection module, the human motion incudes mould
Block, the central processing unit and the execution circuit module, with for the Natural light intensity detection module, the human motion sense
Module, the central processing unit and the execution circuit module is answered to provide electric energy output.
19. the inductor according to claim 18 for being placed in detection natural light in Led lamps and lanterns, wherein the power supply power supply mould
Block is arranged to use AC input, so that the inductor can control the Led lamps and lanterns in AC circuits.
20. the inductor according to claim 19 for being placed in detection natural light in Led lamps and lanterns, further comprises being serially connected
Two switch and the diode with wherein one switch in parallel, wherein two it is described switch be suitable for connect with the Led lamps and lanterns and
The output to the Led lamps and lanterns is controlled, wherein two switches are arranged to be controlled by the execution circuit module, to work as described in two
When switch is closed by the execution circuit module, it is defeated that the inductor can provide AC all-waves in AC circuits to the Led lamps and lanterns
Go out, and work as and disconnected by the execution circuit module with the switch of the diodes in parallel, and another switch is described
When execution circuit module is closed, the inductor can provide the output of AC half-waves to the Led lamps and lanterns in AC circuits and reduce and be somebody's turn to do
The brightness of Led lamps and lanterns.
21. the inductor according to claim 19 for being placed in detection natural light in Led lamps and lanterns, further comprises a switch,
The wherein described switch is controlled by the execution circuit module, wherein the switch is suitable for connecting and being controlled to this with the Led lamps and lanterns
The break-make of the output of Led lamps and lanterns, so that the inductor can control the logical of the output to the Led lamps and lanterns in AC circuits
It is disconnected.
22. the inductor according to claim 18 for being placed in detection natural light in Led lamps and lanterns, wherein the power supply power supply mould
Block is arranged to input using DC, so that the inductor can control the Led lamps and lanterns in DC circuits.
23. the inductor according to claim 22 for being placed in detection natural light in Led lamps and lanterns, further comprises a switch,
The wherein described switch is controlled by the execution circuit module, wherein the switch is suitable for connecting and being controlled to this with the Led lamps and lanterns
The break-make of the output of Led lamps and lanterns, so that the inductor can control the logical of the output to the Led lamps and lanterns in DC circuits
It is disconnected.
24. the inductor according to claim 22 for being placed in detection natural light in Led lamps and lanterns, further comprises a field-effect
Pipe, wherein the field-effect tube is controlled by the execution circuit module, so that the inductor can be in such a way that PWM be controlled
Control adjusts the input of the Led lamps and lanterns brightness of the Led lamps and lanterns in DC circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810973277.0A CN108811259A (en) | 2015-09-25 | 2015-09-25 | A kind of method and inductor being placed in detection natural light in Led lamps and lanterns |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510624336.XA CN105142302B (en) | 2015-09-25 | 2015-09-25 | A kind of method and inductor being placed in detection natural light in Led lamps and lanterns |
| CN201810973277.0A CN108811259A (en) | 2015-09-25 | 2015-09-25 | A kind of method and inductor being placed in detection natural light in Led lamps and lanterns |
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| CN201510624336.XA Division CN105142302B (en) | 2015-09-25 | 2015-09-25 | A kind of method and inductor being placed in detection natural light in Led lamps and lanterns |
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| CN108811259A true CN108811259A (en) | 2018-11-13 |
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| CN201810973277.0A Pending CN108811259A (en) | 2015-09-25 | 2015-09-25 | A kind of method and inductor being placed in detection natural light in Led lamps and lanterns |
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| CN108235518B (en) * | 2018-01-25 | 2020-07-03 | 深圳民爆光电股份有限公司 | LED intelligent control energy-saving system |
| CN110474682B (en) * | 2019-08-06 | 2022-02-15 | 桂林理工大学 | Signal sending method for PLC (programmable logic controller) fusion visible light communication by overlapping natural light |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2189777Y (en) * | 1994-03-09 | 1995-02-15 | 杜长庆 | Light-changeable switch |
| CN2220143Y (en) * | 1993-01-16 | 1996-02-14 | 杜长庆 | Electricity-saving switch |
| US20090309500A1 (en) * | 2008-06-12 | 2009-12-17 | Juergen Reisch | Brightness Controlled Light Source |
| CN101662861A (en) * | 2008-08-26 | 2010-03-03 | 刘红超 | Adaptive automatic dimming photoelectric device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19860306C2 (en) * | 1998-09-03 | 2000-07-13 | Hydro Agri Deutschland Gmbh | Method and device for the area-specific fertilization of plants |
| CN101511144B (en) * | 2009-03-24 | 2012-06-20 | 重庆乔亚电子有限公司 | LED automatic control system |
| CN202121837U (en) * | 2011-06-17 | 2012-01-18 | 上海市建青实验学校 | Lighting adjusting device |
| CN104735858A (en) * | 2014-09-23 | 2015-06-24 | 吴岳泽 | Intelligent lamp bulb |
-
2015
- 2015-09-25 CN CN201510624336.XA patent/CN105142302B/en active Active
- 2015-09-25 CN CN201810973277.0A patent/CN108811259A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2220143Y (en) * | 1993-01-16 | 1996-02-14 | 杜长庆 | Electricity-saving switch |
| CN2189777Y (en) * | 1994-03-09 | 1995-02-15 | 杜长庆 | Light-changeable switch |
| US20090309500A1 (en) * | 2008-06-12 | 2009-12-17 | Juergen Reisch | Brightness Controlled Light Source |
| CN101662861A (en) * | 2008-08-26 | 2010-03-03 | 刘红超 | Adaptive automatic dimming photoelectric device |
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| Publication number | Publication date |
|---|---|
| CN105142302A (en) | 2015-12-09 |
| CN105142302B (en) | 2018-10-09 |
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Application publication date: 20181113 |