CN107580384A - A kind of personalized light fixture of adaptive environment - Google Patents

A kind of personalized light fixture of adaptive environment Download PDF

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Publication number
CN107580384A
CN107580384A CN201610526977.6A CN201610526977A CN107580384A CN 107580384 A CN107580384 A CN 107580384A CN 201610526977 A CN201610526977 A CN 201610526977A CN 107580384 A CN107580384 A CN 107580384A
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CN
China
Prior art keywords
light source
led light
led
colour temperature
light fixture
Prior art date
Application number
CN201610526977.6A
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Chinese (zh)
Inventor
刘秉源
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刘秉源
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Priority to CN201610526977.6A priority Critical patent/CN107580384A/en
Publication of CN107580384A publication Critical patent/CN107580384A/en

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Abstract

A kind of personalized light fixture of adaptive environment, including LED light source, to the radiating subassembly of LED light source heat-dissipating, gather the brightness data of extraneous light and the light sensor of colour temperature data, brightness data and colour temperature data are calculated to generate the microprocessor of control signal, the control signal generation exported according to the processor flows through the LED drive circuit of the electric current of LED light source, and light sensor and LED drive circuit are connected with microprocessor respectively, and LED light source is connected with LED drive circuit;The personalized light fixture of the adaptive environment also includes the user input apparatus for being used to carry out brightness and colour temperature regulation being connected with microprocessor;And what is be connected with microprocessor is used for storage environment optical information and the luminosity of LED light source and the storage device of colour temperature data corresponding relation.

Description

A kind of personalized light fixture of adaptive environment

Technical field

The present invention relates to lighting field, more particularly to a kind of light fixture of adaptive environment personal settings.

Background technology

With the development of section's technology, light fixture has no longer only been a kind of simple light compensating apparatus, and people start further to examine Consider influence of the light fixture in terms of health to people, under different environment light conditions, required light source is different, studies table Bright, what the light of different-colour and brightness gave people feels different, and suitable illumination is beneficial to the health of people, for regarding for protection people Power, operating efficiency is improved, maintain human body biological periodic, improving sleep quality etc. all has beneficial effect.

In recent years, LED technology develops rapidly, and enters the colour temperature of line light source using the LED of manifold color-emitting and brightness is adjusted The mode of section also becomes a reality, and the LED desk lamp some that existing in the market is sold has regulation colour temperature and the function of brightness, but they are all Several gears are simply set, allow user to be selected from default several colour temperatures and brightness.CN203423837U discloses one Kind adaptive environment automatically adjusts the light fixture of light, wherein describing using light sensor come the bright of automatic adjusument LED Degree and colour temperature.Fig. 1 be in the prior art a kind of adaptive environment automatically adjust light light fixture first embodiment structure square frame Figure, as illustrated, including light source 11, in addition to:Gather extraneous light brightness data and colour temperature data light sensor 12, The brightness of total current is controlled to adjust according to the control circuit 13 of brightness data and colour temperature data generation control signal, according to control signal Regulating device 14, the colour temperature adjusting means 15 for dividing electric current is controlled according to control signal;The output end of the light sensor 12 and institute The input for stating control circuit 13 is electrically connected with, the first control terminal and the second control terminal of the control circuit 13 respectively with brightness Adjusting means 14 and colour temperature adjusting means 15 are electrically connected with, and output end and the colour temperature regulation of the brightness regulating apparatus 14 fill 15 input electric connection is put, light source 11 includes the LED light source of multiple different colours.Without being related to according to individual subscriber Hobby and custom, realize the technical schemes of personal settings.

The content of the invention

A kind of automatic sensing ambient light, automatically provide optimal supplement light oneself when in use according to the light of environment The light fixture that environment automatically adjusts light is adapted to, meanwhile, the light fixture can also be used according to current environmental condition in storage mode The luminosity and colour temperature of family regulation are corresponding to be stored, and when user's next time acts on the light fixture under same environmental conditions, directly The luminosity of light fixture and colour temperature are adjusted to consistent with the content stored.

To realize above-mentioned light fixture, the present invention uses following technical scheme:

A kind of light fixture of adaptive environment personal settings, including LED light source, to the radiating subassembly of LED light source heat-dissipating, are adopted Collect the brightness data of extraneous light and the light sensor of colour temperature data, brightness data and colour temperature data are calculated to generate The microprocessor of control signal, the LED that the control signal generation exported according to the processor flows through the electric current of LED light source drive Circuit, light sensor and LED drive circuit are connected with microprocessor respectively, and LED light source is connected with LED drive circuit;It is special Sign is, in addition to:What is be connected with microprocessor is used to carry out the user input apparatus of brightness and colour temperature regulation;And with micro- place Reason device connection is used for storage environment optical information and the luminosity of LED light source and the storage device of colour temperature data corresponding relation.

Wherein, the LED light source includes red LED light source, green LED light source and blue led light source.

Wherein, the LED light source includes red LED light source, green LED light source, blue led light source and White LED light Source.

Wherein, the LED light source includes red LED light source, blue led light source and White LED light source.

Wherein, the light sensor is RGB sensors, and the light sensor is arranged at backlight on light fixture and lighted Side.

Wherein, the user input apparatus is rotary button.

Wherein, the user input apparatus is touch-screen.

Wherein, the LED drive circuit is pulse-width modulation circuit PWM.

Ambient light data is gathered by adding light sensor in light fixture, control signal is generated for ambient light data, The light source of light fixture is caused to reach optimal lighting conditions after LED light source responsive control signal, the light fixture passes through Auto-matching environment Lighting conditions, the luminosity and colour temperature of light fixture are adjusted, to reach the eyesight of protection people, improve the purpose of operating efficiency.Meanwhile The present invention can also be automatically adjusted to according to environment light condition inclined with user by personal settings according to the personal habits of user Good luminescent condition, is user-friendly.

Brief description of the drawings

Fig. 1:The adaptive environment of prior art automatically adjusts the block diagram of the light fixture of light;

Fig. 2:A kind of example structure schematic diagram of the light fixture of adaptive environment personal settings of the present invention.

Fig. 3:The flow chart of adaptive environment personal settings.

Embodiment

Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.

Fig. 2 is a kind of example structure schematic diagram of the light fixture of adaptive environment personal settings of the present invention.As illustrated, The personalized light fixture of adaptive environment disclosed by the invention includes LED light source 26, LED drive circuit 25, microprocessor 21, light Sensor 22, user input apparatus 23, storage device 24 and radiating subassembly (not shown).Light sensor 22, user Input unit 23 and storage device 24 are electrically connected with microprocessor 21 respectively, LED drive circuit 25 respectively with microprocessor 21 It is electrically connected with LED light source 26, receives control signal from microprocessor 21, the electric current of exporting change controls to LED light source 26 The luminosity and colour temperature of LED light source 26.

Adaptive environment personalization light fixture disclosed by the invention has two mode of operations, memory module and application model.When User is first using the personalized light fixture or when being modified to the personalized light fixture personal settings, using memory module, Now, user the luminosity and colour temperature of LED light source 26 can be adjusted by input unit, micro- when adjusting completion The luminosity and colour temperature data storage for the LED light source 26 that processor 21 adjusts user in the look-up table of storage device 24, Environmental light brightness and the colour temperature storage that the data that light sensor 22 now gathers are calculated through microprocessor 21 simultaneously In the look-up table of storage device 24, environmental light brightness and colour temperature data are corresponding with colour temperature data with the luminosity of LED light source 26 Storage, the one group of data formed in look-up table, with easy-to-look-up by environmental light brightness and colour temperature data energy in follow-up use To the luminosity and colour temperature data of corresponding LED light source 26.

Wherein the brightness of LED light source 26 and colour temperature data can be accounted for by the PWM modulation signal of the LED of multiple different colours Sky is than representing.User can be according to the hair for being actually needed my LED 26 of regulation adaptation under multiple varying environment optical conditions Brightness and colour temperature, and be stored in one by one in storage device 24.In application model, user can be opened by input unit should Personalized light fixture simultaneously selects application model, microprocessor 21 can automatically according to presently sensed ambient light data in storage device Look-up table in search corresponding to lamp luminescence brightness and colour temperature data, or the PWM modulation signal of corresponding each LED accounts for Empty ratio, and drive LED light source 26 luminous according to it;User may also set up time switch lamp and set ambient light to be less than a certain threshold Turned on light automatically when being turned on light automatically during value, or setting ambient light to be higher than another threshold value.User can be combined with time, season, ring The factors such as border light set lamp with auto-switch condition.

Light sensor 22 is RGB sensors;Corresponding data can be gathered with each component sizes of RGB in sense ambient light, it is raw Into the road signal of R, G, B tri-, and correspond to and export three road voltages.In order to reduce interference of the LED light source 26 for ambient light information, light Sensor 22 is mountable to light fixture backwards to the side that LED light source 26 lights.

Microprocessor 21 receives three road R, G, the B signal that light sensor 22 exports, and three road signals are analyzed, and obtains The brightness of current environment light and colour temperature, or directly using R, G, B signal as intensity and color temperature signal.It is storage in present mode During pattern, microprocessor adjusts each color LED PWM modulation signal according to user in the information that user input apparatus 23 inputs Dutycycle, completed when user is adjusted, obtain preferable LED light-emitting lines, storage device 24 will obtain from light sensor 22 Current environment optical information with LED luminosity and colour temperature are corresponding in a manner of look-up table etc. stores, so as in application model Luminous foundation is provided for LED.When present mode is application model, microprocessor can collect according to light sensor 22 Signal, obtain the information of current environment light, and accounted for according to the ambient light information and PWM modulation signal stored in storage device 24 The corresponding relation of empty ratio, the dutycycle of pwm signal is obtained, and PWM modulation signal is exported to LED by the dutycycle in output port Drive circuit 25.Microprocessor may include multiple PWM modulation signal output ports, corresponding multiple different LEDs.

Input unit 23 can be the input unit of the diversified forms such as rotary knob or touch-screen.Input unit 23 can be to use Family provides the selection of multiple patterns.When user have selected memory module, input unit 23 can also be provided to LED light source 26 Luminous brightness and/or the control of colour temperature, in the prior art each control mode can all apply herein, such as pressed using different rotations The regulation of button corresponding brightness and colour temperature, can person brightness and colour temperature are controlled respectively using touch-screen, and adjusted using similar Selection is directly carried out in the two-dimensional screen of the touch-screen of colour table and realizes the mode such as brightness and the control of temperature.When user have selected application After pattern, can not brightness and colour temperature of the reselection for LED light source 26 be controlled, but by microprocessor 21 according to working as front ring Border optical information and the ambient light information and the luminosity of LED light source 26 and the corresponding relation of colour temperature being stored in storage device 26 It is luminous to be driven by it LED light source 26 to LED drive circuit 25 for output pwm signal.

Storage device 24 is used for storage environment optical information and the luminosity of LED light source 26 and the corresponding informance of colour temperature, its The luminosity of ambient light information and LED light source 26 and the corresponding relation of colour temperature derive from user experience, that is to say, that when with Family is under conditions of a certain ambient light, the luminosity and colour temperature of LED light source 26 is have adjusted manually, until LED light source 26 Light-emitting line meets the needs of user, and storage device 24 can be by ambient light information now and customer satisfaction system LED light source 26 Luminosity and colour temperature are stored in storage device 24 with matching method, and the matching method can use shape known to look-up table etc. Formula.When user selects application model, microprocessor 21 can be searched according to ambient light information in storage device 24, when looking for During to corresponding ambient light information, the luminosity of LED light source 26 and colour temperature that are matched according to ambient light information corresponding with this are deposited Information is stored up, obtains PWM modulation signal dutycycle.So, storage environment optical information and the luminosity and color of LED light source 26 are passed through The corresponding relation of temperature, and select to control light source luminescent according to the storage information when needed, this can realize the personalization of user Set, rather than all lighted by same luminosity when anyone opens light fixture at any time, or user exists manually Selected among several luminosity.

LED drive device 25 connects microprocessor 21 and LED light source 26 respectively, and receiving PWM pulsewidths from microprocessor 21 adjusts Signal processed, drive signal of the output with load current value, the pulse width modulation signal that LED drive device 25 exports, it is accounted for The dutycycle of the empty PWM pulse-width signals than being exported with microprocessor 21 is identical.The electric current arteries and veins of the current impulse modulated signal It is constant to rush amplitude protection, the effect that the output time of electric current in a cycle reaches regulation power output is adjusted by changing dutycycle Fruit.Above-mentioned pulse width modulation signal output to LED light source 26 is controlled the luminosity of LED light source 26 by drive device 25.

LED light source 26 may include multiple LEDs, and these LEDs can include multiple color, LED light source 26 can by but it is unlimited Realized in the combining form of following LEDs:LED light source 26 includes red LED light source, green LED light source and blue LED light Source;The LED light source 26 includes red LED light source, green LED light source, blue led light source and White LED light source;It is described LED light source includes red LED light source, blue led light source and White LED light source.When carrying out luminosity and colour temperature controls, The LED luminosity of different colours can be controlled respectively, to realize the overall luminosity of LED light source 26 and the control of colour temperature. , can be according to colourity on the luminosity and the luminosity of integral LED light source 26 and the corresponding relation of colour temperature of each color LED Principle is learned, for example is obtained based on chromaticity diagram.

Because LED can produce substantial amounts of heat when luminous, therefore, can in the upper increase thermal component of LED light source 26, The thermal component can be made up of common radiating fin, can also use Heat Conduction Material, surface coated with thermally conductive paint or use fan etc. Form is radiated.

Fig. 3 is the flow chart of the adaptive environment personal settings of the present invention.The adaptive environment personalization lamp of the present invention Tool can set different lamp luminescence brightness and colour temperature, this luminosity and colour temperature according to the sensation of different user and can be stored in In light fixture, when next user uses light fixture, the luminosity and colour temperature of light fixture can be automatically determined, this is automatically determined luminous Brightness and colour temperature be light fixture according to using when ambient light brightness and colour temperature determine, when microprocessor determines above-mentioned ring The brightness of border light and colour temperature, corresponding ambient light information has just been searched whether in a device from depositing, if in the presence of the information, reading should The illuminated message of LED light source 26 corresponding to ambient light information, control information is produced, is exported to LED drive device 25, is generated by it pair The electric current PWM modulation signal answered, control LED light source light.

Below according to setting and use of the flow shown in Fig. 3 to the light fixture of the adaptive environment personal settings of the present invention Flow is described.

In step sl, user inputs the mode of operation of light fixture, and the mode of operation includes memory module and application model;

In step s 2, microprocessor 21 is judged the mode of operation of input, and which the mode of operation clearly inputted is Kind mode of operation, if memory module, then step S3 is turned to, if not memory module, then be application model, turn to step S8;

In step s3, microprocessor 21 receives the brightness regulation information of input unit 23, and the brightness regulation packet contains Two different rotary knobs can be used to carry out input control for the luminous brightness of LED light source 26 and color temperature information, the information, Also it can use and palette is directly displayed on touch-screen, user is directly selected display corresponding to brightness and colour temperature, microprocessor After device 21 receives above-mentioned Regulate signal, according to the input information and the corresponding relation of control signal pre-set, output control Corresponding control signal is 0 during information, wherein input signal minimum, and LED light source 26 does not light, corresponding when input signal maximum Control signal make it that the luminosity of LED light source 26 is maximum, and when input signal is median, citing illustrates, no matter defeated Enter the mode of the input signal of device 23 to be any, all can according to colorimetry principle, by the luminosity degree R of user's selection, G, B signal gray scale is indicated, and wherein R, G, B signal can be respectively 0~256 grade, each color of corresponding LED light source 26 The luminosity of LED is respectively 0~256 grade, and when input signal minimum, each LED does not light, brightness 0, when input is believed During number maximum, each color LED luminosity is maximum, i.e. R, G, B component are all 256, when the LED that LED light source 26 uses When not being three kinds of color combinations of red, green, blue, it can be combined according to the color actually used, the form changed by chromaticity diagram determines So that the Integral luminous brightness of LED light source 26 and colour temperature and input signal are basically identical, microprocessor 21 connects each LED luminosity The signal of receipts is data signal, and the digital signal input end mouth is read out with the suitable cycle, completes current period number According to going to step S4 after reading;

In step s 4, the brightness regulation information generation control signal output that microprocessor 26 inputs according to input unit 23 To LED drive device 25, the control signal is pulse-width modulation PWM signal, and microcontroller 26 is true according to above-mentioned brightness regulation information Determine the dutycycle of pulse-width modulation PWM signal, different dutycycles corresponds to the different luminosity of LED, wherein the PWM exported Signal number is identical with the species number for different types of LED that LED light source 26 includes;

In step s 5, input information of the microprocessor 26 to input unit 23 judges whether determine brightness regulation Terminate, judgment mode may, for example, be input unit 23 and send a brightness to microprocessor 26 when brightness regulation terminates to be End signal is adjusted, is judged as that brightness regulation terminates when microprocessor 26 receives the signal, can also use microprocessor 26 Input information to input unit 23 is monitored, when not receiving input unit in the duration beyond a predetermined time threshold value It is defined as brightness regulation during 23 input information to terminate, at the end of being judged as brightness regulation not, microprocessor 26 goes to step S3 Continue to the brightness regulation information of the input of input unit 23, and output control signal works as judgement so that each LED is corresponding luminous At the end of brightness regulation, step S6 is performed, wherein step S5 can parallel be performed with step S4, can also entered after step s4 OK, on condition that therefore the input information of input unit 23 will not be lost;

In step s 6, after brightness regulation information end of input is judged, the luminance of current LED light source 26 is now thought Degree and colour temperature are customer satisfaction system luminance under current environment, can be by each LED in current environment optical information and LED light source 26 The corresponding storage of illuminated message is so as to run into identical environmental condition in follow-up use when, the illumination effect of LED light source 26 is with currently setting Fixed effect is consistent, and in order to store above- mentioned information, microprocessor 21 receives the sensing data of light sensor 22, and the data can be RGB data, or the data of other forms are converted into RGB data, conversion regime can be made in a known manner, after completing data receiver Go to step S7;

In the step s 7, above-mentioned RGB data is handled, obtains overall brightness value and overall color temperature value, by above-mentioned RGB Data, overall brightness value and overall color temperature value storage corresponding with each LED light emission luminance value, in case follow-up use, realizes user Personal settings;

In step s 8, now user's selection is application model, and in such a mode, user utilizes the information stored before To realize the control of the luminosity of LED light source 26 and colour temperature, in this step, microprocessor 21 receives ambient light signal, so Afterwards then perform step S9;

In step s 9, microprocessor 21 is according to the ambient light signal received, searched in storage device 24 with it is above-mentioned The completely the same data of ambient light signal RGB data, and each LED illuminated message for corresponding to storage therewith is read, go to step S10, when not finding completely the same information, the overall brightness value of current environment light and overall color temperature value are calculated, is being set Threshold range in search with the brightness value and color temperature value of current environment light similar in condition, luminance threshold is such as set to 5, deposited And the poor absolute value minimum with the absolute value of the difference of the brightness value of ambient light is searched in storage device 24 it is less than 5 and has stored Overall brightness value, if finding the overall brightness value for meeting above-mentioned condition, by corresponding to above-mentioned qualified overall brightness value Overall color temperature value compared with the overall color temperature value of current environment light, if both by absolute value be less than 50, in reading State and meet each LED illuminated message corresponding to the data of overall brightness value, otherwise do not read any data, go to step S10;

In step slo, judge whether to find and have read suitable LED illuminated message, if having read suitably LED illuminated message, goes to step S11, if it is not, going to step S12;

In step s 11, LED drive device 25 is output control signals to according to above-mentioned each LED illuminated message, by LED Drive device 25 drives each LED to light.

In step s 12, under the premise of it can not find suitable each LED illuminated message, user is prompted to be changed to store mould Formula, LED luminance is adjusted manually and is stored in case follow-up use, reminding method can be the known methods such as sound, display.

The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any people for being familiar with the technology disclosed herein technical scope in, the change or replacement that can readily occur in should all be covered Within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.

Claims (9)

1. a kind of light fixture of adaptive environment personal settings, including LED light source, to the radiating subassembly of LED light source heat-dissipating, collection The light sensor of external environment condition optical information, ambient light information is calculated to generate the microprocessor of control signal, according to The control signal generation of the processor output flows through the LED drive circuit of the electric current of LED light source, and light sensor and LED drive Dynamic circuit is connected with microprocessor respectively, and LED light source is connected with LED drive circuit;Characterized in that, also include:With microprocessor The user input apparatus for being used to carry out brightness and colour temperature regulation of device connection;And what is be connected with microprocessor is used for storage environment The storage device of the luminosity and colour temperature data corresponding relation of optical information and LED light source.
2. the light fixture of adaptive environment personal settings as claimed in claim 1, it is characterised in that described user inputs dress The mode of operation for putting optional light fixture is memory module and application model, when user selects memory module, can be filled by inputting The luminosity and colour temperature of regulation LED light source manually are put, and by current environment optical information and the hair of LED light source after the completion of regulation Luminous intensity and colour temperature data carry out corresponding storage;When user selects application model, if symbol can be found in memory The data of conjunction, then LED light source luminous intensity and colour temperature data read-out corresponding to the data met this, and as LED light The luminous of source lights according to driving LED light source, if not finding qualified data, does not read data from storage device, And prompt user to carry out regulation LED light source manually while the data after the completion of regulation are stored.
3. the light fixture of adaptive environment personal settings as claimed in claim 1, it is characterised in that:The user input apparatus For rotary button.
4. the light fixture of adaptive environment personal settings as claimed in claim 1, it is characterised in that:The user input apparatus For touch-screen.
5. the light fixture of adaptive environment personal settings as claimed in claim 1, it is characterised in that:The LED light source includes Red LED light source, green LED light source and blue led light source.
6. the light fixture of adaptive environment personal settings as claimed in claim 1, it is characterised in that:The LED light source includes Red LED light source, green LED light source, blue led light source and White LED light source.
7. the light fixture of adaptive environment personal settings as claimed in claim 1, it is characterised in that:The LED light source includes Red LED light source, blue led light source and White LED light source.
8. the light fixture of adaptive environment personal settings as claimed in claim 1, it is characterised in that:The light sensor is RGB sensors, the light sensor are arranged at the side that backlight is luminous on light fixture.
9. the light fixture of adaptive environment personal settings as claimed in claim 1, it is characterised in that:The LED drive circuit For pulse-width modulation circuit PWM.
CN201610526977.6A 2016-07-05 2016-07-05 A kind of personalized light fixture of adaptive environment CN107580384A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108668407A (en) * 2018-04-02 2018-10-16 佛山市易恒照明光电有限公司 A kind of mirror lamp touching light modulation

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CN102612212A (en) * 2012-02-23 2012-07-25 鸿富锦精密工业(深圳)有限公司 Lamp and switch device thereof
CN203423837U (en) * 2013-09-16 2014-02-05 步步高教育电子有限公司 Lamp capable of automatically adapting to environment and automatically adjusting light
CN204616176U (en) * 2015-05-22 2015-09-02 深圳大学 The LED illumination System of LED light source colour temperature built-in stabilizers and automatic stabilisation colour temperature
CN106102262A (en) * 2015-05-02 2016-11-09 恩智浦有限公司 self-adapting illumination device
CN206100532U (en) * 2016-06-02 2017-04-12 深圳市高为通信技术有限公司 Be applied to circuit structure of intelligent sight lighting system

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Publication number Priority date Publication date Assignee Title
CN102422717A (en) * 2009-05-13 2012-04-18 皇家飞利浦电子股份有限公司 User interface with circular light guided ring with adaptive appearance depending on function
CN102612212A (en) * 2012-02-23 2012-07-25 鸿富锦精密工业(深圳)有限公司 Lamp and switch device thereof
CN203423837U (en) * 2013-09-16 2014-02-05 步步高教育电子有限公司 Lamp capable of automatically adapting to environment and automatically adjusting light
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CN108668407A (en) * 2018-04-02 2018-10-16 佛山市易恒照明光电有限公司 A kind of mirror lamp touching light modulation

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