CN105188239A - Integrated intelligent light control lamp - Google Patents
Integrated intelligent light control lamp Download PDFInfo
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- CN105188239A CN105188239A CN201510752936.4A CN201510752936A CN105188239A CN 105188239 A CN105188239 A CN 105188239A CN 201510752936 A CN201510752936 A CN 201510752936A CN 105188239 A CN105188239 A CN 105188239A
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- central controller
- light source
- led light
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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
- 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
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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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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses an integrated intelligent light control lamp which is internally provided with a photoreceptor and capable of avoiding self-excitation and ensuring correct and automatic turning on and off operation. The integrated intelligent light control lamp comprises a control circuit, an LED light source, and the photoreceptor in the integrated intelligent light control lamp; the control circuit comprises a power supply circuit (1), a central controller (2), a central controller power supply circuit (3), a phase angle signal detection circuit (4), a photosensitive signal detection circuit (5), a turning on-off operation control circuit (6), and an LED light source control circuit (7); the phase angle signal detection circuit (4) feeds back phase angle signals obtained from the power supply circuit (1) to the central controller (2); the photosensitive signal detection circuit (5) feeds back lighting signals collected by the photoreceptor to the central controller (2); the central controller (2) judges the light control lamp is turned on or off according to signals provided by the photosensitive signal detection circuit (5) and sends turning on-off signals to the turning on-off operation control circuit (6); the turning on-off operation control circuit (6) controls running of the LED light source control circuit (7); the LED light source control circuit (7) provides stable supplying power for the LED light source for achieving lighting. The scheme disclosed by the invention can be applied in the field of the integrated intelligent light control lamp.
Description
Technical field
The present invention relates to a kind of integral intelligent light-controlled lamp.
Background technology
At present, its photosensitive part of light-controlled lamp on market and the Lights section are generally split type or externals, its installation is loaded down with trivial details, outward appearance is heavy, affect globality and attractive in appearance, and lamp self light and natural daylight cannot be distinguished, easily self-excitation phenomena occurs, easily there is misoperation, cause improper opening and closing.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art, the integral intelligent light-controlled lamp that a kind of photoreceptor is built-in, save space, good looking appearance is provided, this integral intelligent light-controlled lamp can identify the reverberation of natural daylight and lamp self, avoid self-excitation, guarantee correct automatic switch control.
The technical solution adopted in the present invention is: the present invention includes control circuit, LED light source, photoreceptor, described photoreceptor is arranged at the inside of described integral intelligent light-controlled lamp, described control circuit comprises power circuit, central controller, central controller power supply circuits, phase angle signal testing circuit, photosensor signal testing circuit, ON-OFF control circuit, LED light source control circuit, described power circuit is used for described central controller power supply circuits, described phase angle signal testing circuit, described LED light source control circuit is powered, described central controller power supply circuits are used for providing burning voltage to described central controller, described phase angle signal testing circuit is used for feeding back to described central controller the phase angle signal obtained from described power circuit, described photosensor signal testing circuit is used for the luminance signal that described photoreceptor is collected to feed back to described central controller, according to the signal that described photosensor signal testing circuit provides, described central controller judges whether described integral intelligent light-controlled lamp should be opened, and the signal opened or close is sent to described ON-OFF control circuit, whether described ON-OFF control circuit is run for controlling described LED light source control circuit, if run, then described LED light source control circuit provides stable power supply to make it light to described LED light source.
When described central controller changes set point from the phase angle signal that described phase angle signal testing circuit obtains, the luminance signal that described central controller analysis is provided by described photosensor signal testing circuit, to judge daytime or evening, and judgement is the reverberation of natural daylight or LED light source self, to control the keying of described ON-OFF control circuit.
Time initial, described power circuit provides stable direct-current working volts to described central controller by described central controller power supply circuits, now described central controller exports high level, control described ON-OFF control circuit to open, described LED light source control circuit internal switching circuits is in closed condition, and described LED light source is in closes light-off state, when described central controller changes set point from the phase angle signal that described phase angle signal testing circuit obtains, described central controller starts to receive and analyzes the natural daylight signal V1 value provided by described photosensor signal testing circuit, if be less than the first predetermined value, described central controller output low level, control described ON-OFF control circuit to close, described LED light source control circuit internal switching circuits is in opening, and described LED light source is in the state of turning on light, after this when described central controller changes set point from the phase angle signal that described phase angle signal testing circuit obtains, described central controller receives self reverberation of LED light source and the mixed signal V2 value of the natural daylight how described photosensor signal testing circuit of group provides simultaneously, the many group difference of described central controller to V1 and V2 fed back is appointed and is got two groups and do difference process again, result and the second preset value are compared, if be less than the second preset value, just be judged to remain night or surrounding environment very secretly needs to turn on light, ensure that LED light source is in the state of turning on light, after this when environment brightens or daybreak time, V2 value can change, now when described central controller changes set point from the phase angle signal that described phase angle signal testing circuit obtains, described central controller receives the mixed signal V3 value of the variable signal of the natural daylight that described photosensor signal testing circuit provides and self reverberation of LED light source, by described central controller, difference process is done to V2 and V3, if this difference is all greater than described second predetermined value, described central controller exports high level again, control described ON-OFF control circuit to open, described LED light source control circuit internal switching circuits is in closed condition, described LED light source is in closes light-off state, circulate according to this, realize the switch of automatic decision and automatic switch control lamp according to illumination.
The preset following control procedure of described central controller: when described LED light source is lighted for the first time, timer starts timing, after being set in some time interval, detect described LED light source whether to close, if do not close, control described ON-OFF control circuit switch open, make described LED light source control circuit internal switching circuits be in closed condition, by described LED light source positive closing; Then reinitialize, repeat the switching process of above-mentioned automatic decision and automatic switch control lamp.
The set point of the phase angle signal that described central controller obtains from described phase angle signal testing circuit is that the lowest point is worth 0 °, 180 ° and 360 °, and described central controller starts to receive and analyzes the natural daylight signal V1 value provided by described photosensor signal testing circuit.
Described power circuit is that mains supply or mains supply regulate the power supply after a phase bit through dimmer.
Described phase angle signal testing circuit is V phase from the phase angle signal that described power circuit obtains.
Described LED light source control circuit is constant current switch circuit or constant voltage switching circuit.
Described photosensor signal testing circuit comprises photodiode.
Described ON-OFF control circuit adopts in triode or controllable silicon or IGBT or relay that one or more carry out switch control rule.
Described central controller adopts MCU able to programme or other logic chips.
The invention has the beneficial effects as follows: owing to the present invention includes control circuit, LED light source, photoreceptor, described photoreceptor is arranged at the inside of described integral intelligent light-controlled lamp, described control circuit comprises power circuit, central controller, central controller power supply circuits, phase angle signal testing circuit, photosensor signal testing circuit, ON-OFF control circuit, LED light source control circuit, described power circuit is used for described central controller power supply circuits, described phase angle signal testing circuit, described LED light source control circuit is powered, described central controller power supply circuits are used for providing burning voltage to described central controller, described phase angle signal testing circuit is used for feeding back to described central controller the phase angle signal obtained from described power circuit, described photosensor signal testing circuit is used for the luminance signal that described photoreceptor is collected to feed back to described central controller, according to the signal that described photosensor signal testing circuit provides, described central controller judges whether described integral intelligent light-controlled lamp should be opened, and the signal opened or close is sent to described ON-OFF control circuit, whether described ON-OFF control circuit is run for controlling described LED light source control circuit, if run, then described LED light source control circuit provides stable power supply to make it light to described LED light source, described photoreceptor is arranged at the inside of described integral intelligent light-controlled lamp by the present invention, achieve integration that is photosensitive and the Lights section, save space, good looking appearance, easy for installation, and by described central controller Intelligent Recognition natural daylight and LED light source self light, prevent the generation of self-excitation phenomena, realize Precision switch to control, therefore the present invention saves space, good looking appearance, the reverberation of natural daylight and lamp self can be identified, avoiding self-excitation, guarantee correct automatic switch control, is a kind of integral intelligent light-controlled lamp.
Accompanying drawing explanation
Fig. 1 is the integrated circuit principle schematic of the embodiment of the present invention;
Fig. 2 is the circuit theory schematic flow sheet of the embodiment of the present invention.
Embodiment
As shown in Figure 1 and Figure 2, embodiments of the invention comprise control circuit, LED light source, photoreceptor, and described photoreceptor is arranged at the inside of described integral intelligent light-controlled lamp, and namely photoreceptor becomes to be integrated with lamp body, described control circuit comprises power circuit 1, central controller 2, central controller power supply circuits 3, phase angle signal testing circuit 4, photosensor signal testing circuit 5, ON-OFF control circuit 6, LED light source control circuit 7, described power circuit 1 is for described central controller power supply circuits 3, described phase angle signal testing circuit 4, described LED light source control circuit 7 is powered, described central controller power supply circuits 3 are for providing burning voltage to described central controller 2, described phase angle signal testing circuit 4 is for feeding back the phase angle signal obtained from described power circuit 1 to described central controller 2, described photosensor signal testing circuit 5 feeds back to described central controller 2 for the luminance signal collected by described photoreceptor, according to the signal that described photosensor signal testing circuit 5 provides, described central controller 2 judges whether described integral intelligent light-controlled lamp should be opened, and the signal opened or close is sent to described ON-OFF control circuit 6, whether described ON-OFF control circuit 6 is run for controlling described LED light source control circuit 7, if run, then described LED light source control circuit 7 provides stable power supply to make it light to described LED light source, when described central controller 2 changes set point from the phase angle signal that described phase angle signal testing circuit 4 obtains, the luminance signal provided by described photosensor signal testing circuit 5 analyzed by described central controller 2, to judge daytime or evening, and judgement is the reverberation of natural daylight or LED light source self, to control the keying of described ON-OFF control circuit 6, described power circuit 1 is that mains supply or mains supply regulate the power supply after a phase bit through dimmer, described phase angle signal testing circuit 4 is V phase from the phase angle signal that described power circuit 1 obtains, described power circuit 1 comprises resistance R1, R3, R4, rectifier bridge BR1, electric capacity C1, inductance L 1, fuse FU, described central controller 2 adopts 8 or 16 MCU able to programme (single-chip microcomputer) U2, can certainly adopt other logic chips, described central controller power supply circuits 3 provide galvanic current source to described central controller 2, described central controller power supply circuits 3 comprise resistance R5, R6, electric capacity C8, C9, voltage stabilizing didoe Z1, and described central controller power supply circuits 3 adopt resistance step-down, described phase angle signal testing circuit 4 comprises resistance R13, R14, obtains signal by resistance step-down, described photosensor signal testing circuit 5 comprises photodiode, resistance R15 ~ R17, electric capacity C10, described ON-OFF control circuit 6 comprises resistance R18, triode Q1, namely adopts triode to carry out switch control rule, can certainly adopt in controllable silicon or IGBT or relay that one or more carry out switch control rule, described LED light source control circuit 7 is constant current switch circuit, can certainly be constant voltage switching circuit, described LED light source control circuit 7 comprises resistance R2, R7 ~ R12, R19, electric capacity C2 ~ C5, C7, diode D1, D2, inductance L 2, transformer T1, LED constant voltage drive IC U1.
The course of work of the present invention and principle as follows: time initial, described power circuit 1 provides stable direct-current working volts to described central controller 2 by described central controller power supply circuits 3, now the pin 3 of described MCUU2 able to programme exports high level, described ON-OFF control circuit 6 receives switch open after the signal that pin 3 provides, the 6 pin VCC1 of the LED constant voltage drive IC U1 of described LED light source control circuit 7 inside are pulled down to preset value V and close, now LED constant voltage drive IC U1 is in closed condition, not to described LED light source output voltage, namely described LED light source is in and closes light-off state, the pin 2 of described MCUU2 able to programme can receive and analyze the phase signal V phase of the described power circuit 1 provided by described phase angle signal testing circuit 4 simultaneously, when phase place reaches set point (in the present embodiment, this set point is the lowest point value, namely when phase place is in 0 °, 180 ° and 360 °, can prevent self-excitation photoconduction from causing photodiode so saturated, there is erroneous judgement), the pin 6 of described MCUU2 able to programme starts to receive and analyzes the natural daylight signal V1 value provided by described photosensor signal testing circuit 5 (gets three sub-values in the present embodiment, can certainly be more, this process approximately continues 3s, correct to ensure sampled signal), if be less than the first predetermined value (in the present embodiment, setting illuminance is 30Lux, these data use illuminance meter repeatedly to test gained according to actual darkness process), described MCUU2 able to programme can judge that evening or surrounding environment very secretly need to turn on light, now pin 3 output low level of described MCUU2 able to programme, after described ON-OFF control circuit 6 receives the voltage signal of described MCUU2 pin 3 able to programme, switch cuts out, the 6 pin VCC1 values of the LED constant voltage drive IC U1 of described LED light source control circuit 7 inside rise to preset value V and open, now LED constant voltage drive IC U1 is in opening state, to described LED light source output voltage, namely described LED light source is in the state of turning on light, after this because described photoreceptor and described photosensor signal testing circuit 5 are in the inside of light-controlled lamp, so when the phase signal V phase of described power circuit 1 is in 0 °, 180 ° and 360 ° time, the mixed signal V2 value of self reverberation and natural daylight that 6 pin of described MCUU2 able to programme can receive the LED light source that described photosensor signal testing circuit 5 provides simultaneously (gets three sub-values in the present embodiment, can certainly be more, this process approximately continues 30s, correct to ensure sampled signal), through described MCUU2 internal module able to programme, difference process (i.e. V2-V1) is carried out to V1 and the V2 value fed back, obtain difference (three groups or more), then module is appointed and is got two groups and do difference process again from three groups of (or many groups) differences, finally the result obtained and the second preset value are compared, if be less than the second preset value (in the present embodiment, setting illuminance is 150Lux, these data repeatedly test gained according to actual daybreak process use illuminance meter), just be judged to remain night or surrounding environment very secretly needs to turn on light, thus distinguish self reverberation and the natural daylight of LED light source, prevent self-excitation, ensure that LED light source is in opening state (LED light source is bright), self reverberation not by LED light source affects, after this whole night V2 value substantially remain unchanged, when environment brighten or daybreak time, V2 value can change, now when the phase signal V phase of described power circuit 1 is in 0 °, 180 ° and 360 ° time, the mixed signal V3 value that 6 pin of described MCUU2 able to programme can receive the variable signal of the natural daylight that described photosensor signal testing circuit 5 provides and self reverberation of LED light source (gets three sub-values in the present embodiment, can certainly be more, this process approximately continues 30s, correct to ensure sampled signal), by described MCUU2 internal module able to programme, difference process (i.e. V3-V2) is done to V2 and V3, if this difference is all greater than described second predetermined value, the pin 3 of described MCUU2 able to programme will export high level, described ON-OFF control circuit 6 switch open, the 6 pin VCC1 values of the LED constant voltage drive IC U1 of described LED light source control circuit 7 inside are pulled down to preset value V and close, now LED constant voltage drive IC U1 is in closed condition, not to described LED light source output voltage, namely described LED light source is in and closes light-off state, circulate according to this, realize the switch of automatic decision and automatic switch control lamp according to illumination.
In addition, if some in particular cases light-controlled lamp there is misoperation, as long in lamp bright, then carry out following preparatory function by described central controller 2: when lamp is light, timer starts timing (supposing point in evening 6), after being set in some hours (being point in morning 7 after 13 hours), if lamp does not also go out, system is judged as breaking down, and control described ON-OFF control circuit 6 switch open, the 6 pin VCC1 of the LED constant voltage drive IC U1 of described LED light source control circuit 7 inside are pulled down to preset value V and close, now LED constant voltage drive IC U1 is in closed condition, not to described LED light source output voltage, namely described LED light source is in and closes light-off state, to realize positive closing LED, then reinitialize, repeat the process of above-mentioned detection light-sensing signal, to determine whether turn on light or turn off the light, the above-mentioned preset time interval can carry out arranging adjustment according to practical service environment.
Described photoreceptor is arranged at the inside of described integral intelligent light-controlled lamp by the present invention, achieve integration that is photosensitive and the Lights section, save space, good looking appearance, easy for installation, and by described central controller 2 Intelligent Recognition natural daylight and LED light source self light, prevent the generation of self-excitation phenomena, realize Precision switch to control, therefore the present invention saves space, good looking appearance, the reverberation of natural daylight and lamp self can be identified, avoiding self-excitation, guarantee correct automatic switch control, is a kind of integral intelligent light-controlled lamp.
The present invention can be widely used in light-controlled lamp field.
Claims (10)
1. an integral intelligent light-controlled lamp, it is characterized in that: comprise control circuit, LED light source, photoreceptor, described photoreceptor is arranged at the inside of described integral intelligent light-controlled lamp, described control circuit comprises power circuit (1), central controller (2), central controller power supply circuits (3), phase angle signal testing circuit (4), photosensor signal testing circuit (5), ON-OFF control circuit (6), LED light source control circuit (7), described power circuit (1) is for described central controller power supply circuits (3), described phase angle signal testing circuit (4), described LED light source control circuit (7) power supply, described central controller power supply circuits (3) are for providing burning voltage to described central controller (2), described phase angle signal testing circuit (4) is for feeding back the phase angle signal obtained from described power circuit (1) to described central controller (2), described photosensor signal testing circuit (5) feeds back to described central controller (2) for the luminance signal collected by described photoreceptor, according to the signal that described photosensor signal testing circuit (5) provides, described central controller (2) judges whether described integral intelligent light-controlled lamp should be opened, and the signal opened or close is sent to described ON-OFF control circuit (6), whether described ON-OFF control circuit (6) is run for controlling described LED light source control circuit (7), if run, then described LED light source control circuit (7) provides stable power supply to make it light to described LED light source.
2. integral intelligent light-controlled lamp according to claim 1, it is characterized in that: when described central controller (2) changes set point from the phase angle signal that described phase angle signal testing circuit (4) obtains, the luminance signal that described central controller (2) analysis is provided by described photosensor signal testing circuit (5), to judge daytime or evening, and judgement is the reverberation of natural daylight or LED light source self, to control the keying of described ON-OFF control circuit (6).
3. integral intelligent light-controlled lamp according to claim 2, it is characterized in that: time initial, described power circuit (1) provides stable direct-current working volts by described central controller power supply circuits (3) to described central controller (2), now described central controller (2) exports high level, control described ON-OFF control circuit (6) to open, described LED light source control circuit (7) internal switching circuits is in closed condition, and described LED light source is in closes light-off state, when described central controller (2) changes set point from the phase angle signal that described phase angle signal testing circuit (4) obtains, described central controller (2) starts to receive and analyzes the natural daylight signal V1 value provided by described photosensor signal testing circuit (5), if be less than the first predetermined value, described central controller (2) output low level, control described ON-OFF control circuit (6) to close, described LED light source control circuit (7) internal switching circuits is in opening, and described LED light source is in the state of turning on light, after this when described central controller (2) changes set point from the phase angle signal that described phase angle signal testing circuit (4) obtains, described central controller (2) receives self reverberation of LED light source and the mixed signal V2 value of the natural daylight how described photosensor signal testing circuit (5) of group provides simultaneously, the many group difference of described central controller (2) to V1 and V2 fed back is appointed and is got two groups and do difference process again, result and the second preset value are compared, if be less than the second preset value, just be judged to remain night or surrounding environment very secretly needs to turn on light, ensure that LED light source is in the state of turning on light, after this when environment brightens or daybreak time, V2 value can change, now when described central controller (2) changes set point from the phase angle signal that described phase angle signal testing circuit (4) obtains, described central controller (2) receives the mixed signal V3 value of the variable signal of natural daylight that described photosensor signal testing circuit (5) provides and self reverberation of LED light source, by described central controller (2), difference process is done to V2 and V3, if this difference is all greater than described second predetermined value, described central controller (2) exports high level again, control described ON-OFF control circuit (6) to open, described LED light source control circuit (7) internal switching circuits is in closed condition, described LED light source is in closes light-off state, circulate according to this, realize the switch of automatic decision and automatic switch control lamp according to illumination.
4. integral intelligent light-controlled lamp according to claim 3, it is characterized in that: the preset following control procedure of described central controller (2): when described LED light source is lighted for the first time, timer starts timing, after being set in some time interval, detect described LED light source whether to close, if do not close, control described ON-OFF control circuit (6) switch open, described LED light source control circuit (7) internal switching circuits is made to be in closed condition, by described LED light source positive closing; Then reinitialize, repeat the switching process of above-mentioned automatic decision and automatic switch control lamp.
5. integral intelligent light-controlled lamp according to claim 3, it is characterized in that: the set point of the phase angle signal that described central controller (2) obtains from described phase angle signal testing circuit (4) is that the lowest point is worth 0 °, 180 ° and 360 °, described central controller (2) starts to receive and analyzes the natural daylight signal V1 value provided by described photosensor signal testing circuit (5).
6. integral intelligent light-controlled lamp according to claim 1, is characterized in that: described power circuit (1) regulates the power supply after a phase bit through dimmer for mains supply or mains supply; Described phase angle signal testing circuit (4) is V phase from the phase angle signal that described power circuit (1) obtains.
7. integral intelligent light-controlled lamp according to claim 1, is characterized in that: described LED light source control circuit (7) is constant current switch circuit or constant voltage switching circuit.
8. integral intelligent light-controlled lamp according to claim 1, is characterized in that: described photosensor signal testing circuit (5) comprises photodiode.
9. integral intelligent light-controlled lamp according to claim 1, is characterized in that: described ON-OFF control circuit (6) adopts in triode or controllable silicon or IGBT or relay that one or more carry out switch control rule.
10. integral intelligent light-controlled lamp according to claim 1, is characterized in that: described central controller (2) adopts MCU able to programme (U2) or other logic chips.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510752936.4A CN105188239B (en) | 2015-11-06 | 2015-11-06 | Integral intelligent light-controlled lamp |
| PCT/CN2016/075216 WO2017075925A1 (en) | 2015-11-06 | 2016-03-01 | Integrated smart light-controlled lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510752936.4A CN105188239B (en) | 2015-11-06 | 2015-11-06 | Integral intelligent light-controlled lamp |
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| Publication Number | Publication Date |
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| CN105188239A true CN105188239A (en) | 2015-12-23 |
| CN105188239B CN105188239B (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510752936.4A Active CN105188239B (en) | 2015-11-06 | 2015-11-06 | Integral intelligent light-controlled lamp |
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| CN (1) | CN105188239B (en) |
| WO (1) | WO2017075925A1 (en) |
Cited By (4)
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| WO2017075925A1 (en) * | 2015-11-06 | 2017-05-11 | 深圳市中电照明股份有限公司 | Integrated smart light-controlled lamp |
| CN108933900A (en) * | 2018-09-04 | 2018-12-04 | 深圳市威特迪科技有限公司 | A kind of video camera light filling control circuit and its control method |
| CN109168227A (en) * | 2018-10-25 | 2019-01-08 | 上海联矽智能科技有限公司 | A kind of concealed integral intelligent light control system and implementation method |
| CN111526628A (en) * | 2020-06-23 | 2020-08-11 | 横店集团得邦照明股份有限公司 | Circuit for changing light state through flashlight of mobile phone and implementation method thereof |
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| CN113923834A (en) * | 2021-12-09 | 2022-01-11 | 河北红岸基地科技有限公司 | Automatic closing method convenient for energy conservation of lamp |
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