CN107371305B - Self-adaptive cosmetic mirror lamp - Google Patents
Self-adaptive cosmetic mirror lamp Download PDFInfo
- Publication number
- CN107371305B CN107371305B CN201710443028.6A CN201710443028A CN107371305B CN 107371305 B CN107371305 B CN 107371305B CN 201710443028 A CN201710443028 A CN 201710443028A CN 107371305 B CN107371305 B CN 107371305B
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- China
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- lamp
- silicon controlled
- controlled rectifier
- main chip
- light supplementing
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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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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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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]
-
- 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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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a self-adaptive cosmetic mirror lamp, which comprises a lamp body, wherein a light supplementing lamp and an illumination automatic adaptation circuit are arranged in the lamp body, the illumination automatic adaptation circuit comprises a main chip, a silicon controlled rectifier, an oscillating circuit and a square wave generator, the main chip is provided with a driving pin and a dimming pin, the driving pin is connected with the light supplementing lamp, the oscillating circuit is a Schmitt trigger consisting of a first capacitor, a photoresistor and an inverter, the output end of the oscillating circuit is connected with the control end of the silicon controlled rectifier, and the square wave generator is connected with the dimming pin in series through the silicon controlled rectifier. When the photoresistor changes the self resistance according to the ambient illumination intensity, the oscillation frequency of the oscillating circuit is changed, the oscillation frequency changes the conduction angle of the silicon controlled rectifier through the control end of the silicon controlled rectifier, the square wave generator generates square waves, the square waves are modulated by the silicon controlled rectifier to form PWM modulation signals, and the PWM modulation signals are loaded into the dimming pins, so that the light supplementing lamp is dimmed, and the brightness of the light supplementing lamp can be changed according to the ambient illumination.
Description
Technical Field
The invention relates to the technical field of lamps, in particular to a self-adaptive cosmetic mirror lamp.
Background
The current make-up mirror lamp includes mirror, light filling lamp, the light filling lamp is installed around the mirror, when the user need make up with the mirror, only need open the light filling lamp and just can obtain sufficient light, and the light intensity of light filling lamp can not be changed according to the luminance of environment to the present light filling lamp for the light intensity of light filling lamp is too big or not enough phenomenon appears easily to the make-up mirror lamp, influences user's result of use.
Disclosure of Invention
The invention aims to provide a self-adaptive cosmetic mirror lamp, so that the light intensity of the light supplementing lamp of the cosmetic mirror lamp can be changed along with the brightness of the environment.
The invention solves the technical problems as follows: the utility model provides a self-adaptation make-up mirror lamp, includes the lamp body, be equipped with the light filling lamp in the lamp body, still be equipped with illumination automatic adaptation circuit in the lamp body, illumination automatic adaptation circuit includes main chip, silicon controlled rectifier, oscillating circuit, square wave generator, main chip is equipped with and is used for the drive foot of light filling lamp, the drive foot with the light filling lamp is connected, main chip still is equipped with the foot of adjusting luminance that is used for receiving PWM dimming signal, oscillating circuit is the schmitt trigger that comprises first electric capacity, photo resistance, phase inverter, oscillating circuit's output with the control end of silicon controlled rectifier is connected, square wave generator passes through the silicon controlled rectifier with the foot of adjusting luminance is established ties.
Further, the model of the main chip is OC5021.
Further, the square wave generator comprises an NE555 integrated chip.
Further, the lamp body is further provided with a lamp cap, a first rocker arm, a second rocker arm and a base, one end of the first rocker arm is hinged to the lamp cap, the other end of the first rocker arm is hinged to one end of the second rocker arm, and the other end of the second rocker arm is hinged to the base.
Further, the light supplementing lamp is an LED light source.
The beneficial effects of the invention are as follows: the oscillating circuit generates oscillating frequency, when the photoresistor changes the self resistance according to the ambient illumination intensity, the oscillating frequency of the oscillating circuit is changed, the oscillating frequency changes the conduction angle of the silicon controlled rectifier through the control end of the silicon controlled rectifier, the square wave generator generates square waves, the square waves are modulated by the silicon controlled rectifier to form PWM modulation signals, and the PWM modulation signals are loaded into the dimming pins, so that the light supplementing lamp is dimmed, and the brightness of the light supplementing lamp can be changed according to the ambient illumination.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the invention, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic diagram of circuit connections of an illumination auto-adaptation circuit;
FIG. 2 is a schematic diagram of the circuit connections of a square wave generator;
fig. 3 is a perspective view of the cosmetic mirror lamp.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present invention. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present invention based on the embodiments of the present invention. In addition, all coupling/connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to the fact that a more optimal coupling structure may be formed by adding or subtracting coupling aids depending on the particular implementation. The technical features in the invention can be interactively combined on the premise of no contradiction and conflict.
Embodiment 1, refer to fig. 1, a self-adaptation make-up mirror lamp, including the lamp body, be equipped with light filling lamp LED1 in the lamp body, still be equipped with illumination automatic adaptation circuit in the lamp body, illumination automatic adaptation circuit includes main chip U1, silicon controlled rectifier VS, oscillation circuit a1, square wave generator, as the optimization, main chip U1's model is OC5021, and this main chip U1 is equipped with drive foot DRV, inductance peak current detection foot CS, adjusts luminance foot DIM, drive foot DRV and the control pole connection of power switch tube Q1 of main chip U1, and the drive pole of power switch tube Q1 passes through inductance L1 and light filling lamp LED1 series connection, and power end VCC passes through rectifier diode D1 and supplies power to main chip U1, inductance peak current detection foot CS passes through current detection resistance R1 and is connected to ground, adjust luminance foot DIM passes through silicon controlled rectifier VS with square wave generator series connection, oscillation circuit a1 is by first electric capacity C1, photo resistance, phase inverter U2 triggers the control end of oscillator circuit a is connected with silicon controlled rectifier VS through the end of being connected with square wave generator series connection.
The working principle of the circuit is as follows: the oscillating circuit a1 generates an oscillating frequency, when the photoresistor RG changes the self resistance according to the ambient illumination intensity, the oscillating frequency of the oscillating circuit a1 is changed, the oscillating frequency changes the conduction angle of the silicon controlled rectifier VS through the control end of the silicon controlled rectifier VS, the square wave generator generates a square wave, the square wave is modulated by the silicon controlled rectifier VS to form a PWM modulation signal, and the PWM modulation signal is loaded into the dimming pin DIM, so that the light supplementing LED1 is dimmed, and the brightness of the light supplementing LED1 can be changed according to the ambient illumination.
The main chip U1 adopts a control mode of peak current detection and fixed turn-off time, when the power switch tube Q1 is in a turn-on state, the input voltage of the power supply end VCC charges the inductance L1 through the light supplementing lamp LED1, the inductance L1, the power switch tube Q1 and the current detection resistor R1, the current flowing through the inductance L1 is gradually increased along with the charging time, when the voltage on the current detection resistor R1 is reduced to a threshold value regulated by the main chip U1, the driving pin DRV of the main chip U1 turns off the power switch tube Q1, when the power switch tube Q1 is in a turn-off state, the inductance L1 discharges through a loop formed by the light supplementing lamp LED1, the flywheel diode D2 and the inductance L1, after the power switch tube Q1 is turned off for a certain time, the turn-on state is returned, the turn-on and turn-off processes are repeated, and the turn-off processes are modulated by PWM modulation signals received by the dimming pin DIM.
Referring to fig. 2, as an optimization, the square wave generator comprises a NE555 integrated chip, and the NE555 chip is used for forming a multivibrator for emitting square waves. The NE555 integrated chip is a timing chip which has wide application range and is quite common, and can form a stable square wave generator by only needing a few resistors and capacitors, and the square wave generator is stable and reliable.
Referring to fig. 3, as optimization, the lamp body is further provided with a lamp cap b1, a first rocker arm b2, a second rocker arm b3 and a base b4, one end of the first rocker arm b2 is hinged with the lamp cap b1, the other end of the first rocker arm b2 is hinged with one end of the second rocker arm b3, and the other end of the second rocker arm b3 is hinged with the base b 4. The structure makes the first rocker arm b2 and the second rocker arm b3 rotate along the hinge point, so that the cosmetic mirror lamp is more convenient to use.
As optimization, the light supplementing lamp LED1 is an LED light source. The LED light source has the characteristics of high brightness, long service life and the like, and the LED1 of the light supplementing lamp is set as the LED light source and accords with the modern environment-friendly concept.
While the preferred embodiments of the present invention have been illustrated and described, the present invention is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present invention, and these are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (4)
1. The utility model provides a self-adaptation make-up mirror lamp, includes the lamp body, be equipped with the light filling lamp in the lamp body, its characterized in that: the LED lamp is characterized in that an illumination automatic adaptation circuit is further arranged in the lamp body, the illumination automatic adaptation circuit comprises a main chip, a silicon controlled rectifier, an oscillating circuit and a square wave generator, the main chip is provided with a driving pin for driving the light supplementing lamp, the driving pin is connected with the light supplementing lamp, the main chip is further provided with a light adjusting pin for receiving a PWM light adjusting signal, the oscillating circuit is a Schmitt trigger composed of a first capacitor, a photoresistor and an inverter, the output end of the oscillating circuit is connected with the control end of the silicon controlled rectifier, and the square wave generator is connected with the light adjusting pin in series through the silicon controlled rectifier;
the model of the main chip is OC5021, the main chip is also provided with an inductance peak current detection pin, the driving pin of the main chip is connected with the control electrode of the power switch tube, the driving electrode of the power switch tube is connected with the light supplementing lamp in series through an inductance, the power supply end supplies power to the main chip through a rectifier diode, the inductance peak current detection pin is connected with the ground through a current detection resistor, the light modulation pin is connected with the square wave generator in series through a silicon controlled rectifier, one end of the first capacitor is connected with the positive electrode of the light supplementing lamp, the other end of the first capacitor is connected with one end of the photoresistor and the input end of the phase inverter respectively, and the output end of the phase inverter is connected with the other end of the photoresistor and the control end of the silicon controlled rectifier respectively;
the oscillating circuit generates oscillating frequency, when the photoresistor changes the self resistance according to the ambient illumination intensity, the oscillating frequency of the oscillating circuit is changed, the oscillating frequency changes the conduction angle of the silicon controlled rectifier through the control end of the silicon controlled rectifier, the square wave generator generates square waves, the square waves are modulated by the silicon controlled rectifier to form PWM modulation signals, and the PWM modulation signals are loaded into the dimming pins, so that the light supplementing lamp is dimmed, and the brightness of the light supplementing lamp can be changed according to the ambient illumination.
2. The adaptive vanity mirror lamp of claim 1, wherein: the square wave generator comprises an NE555 integrated chip.
3. The adaptive vanity mirror lamp of claim 1, wherein: the lamp body is further provided with a lamp cap, a first rocker arm, a second rocker arm and a base, one end of the first rocker arm is hinged with the lamp cap, the other end of the first rocker arm is hinged with one end of the second rocker arm, and the other end of the second rocker arm is hinged with the base.
4. The adaptive vanity mirror lamp of claim 1, wherein: the light supplementing lamp is an LED light source.
Priority Applications (1)
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CN201710443028.6A CN107371305B (en) | 2017-06-13 | 2017-06-13 | Self-adaptive cosmetic mirror lamp |
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CN201710443028.6A CN107371305B (en) | 2017-06-13 | 2017-06-13 | Self-adaptive cosmetic mirror lamp |
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CN107371305A CN107371305A (en) | 2017-11-21 |
CN107371305B true CN107371305B (en) | 2023-08-01 |
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CN201710443028.6A Active CN107371305B (en) | 2017-06-13 | 2017-06-13 | Self-adaptive cosmetic mirror lamp |
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Families Citing this family (3)
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CN108131585A (en) * | 2018-01-16 | 2018-06-08 | 广东科立盈光电技术有限公司 | A kind of desk lamp of colorful |
CN113723326B (en) * | 2021-09-03 | 2024-07-19 | 西安拾玖岁信息科技有限公司 | Optical compensation method and device, computer device and storage medium |
CN116887478B (en) * | 2023-08-01 | 2024-03-29 | 广州威博智能科技股份有限公司 | Synchronous rectification automobile LED lamp driving circuit |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2132372Y (en) * | 1992-03-13 | 1993-05-05 | 顾晓青 | Automatic control switch for night lamp |
KR20080077754A (en) * | 2007-02-21 | 2008-08-26 | 주식회사 애버드 | Dimmer for dimming control using phase control of ac power |
CN102186283A (en) * | 2011-03-23 | 2011-09-14 | 杭州矽力杰半导体技术有限公司 | Silicon-controlled light dimming circuit, light dimming method and LED (light-emitting diode) driving circuit applying the light dimming circuit |
CN206977768U (en) * | 2017-06-13 | 2018-02-06 | 佛山市盛忻灯饰有限公司 | A kind of adaptive cosmetic mirror |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN206797244U (en) * | 2017-05-03 | 2017-12-26 | 佛山市路先峰照明电器有限公司 | A kind of LED car lamp distance-light switching circuit |
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2017
- 2017-06-13 CN CN201710443028.6A patent/CN107371305B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2132372Y (en) * | 1992-03-13 | 1993-05-05 | 顾晓青 | Automatic control switch for night lamp |
KR20080077754A (en) * | 2007-02-21 | 2008-08-26 | 주식회사 애버드 | Dimmer for dimming control using phase control of ac power |
CN102186283A (en) * | 2011-03-23 | 2011-09-14 | 杭州矽力杰半导体技术有限公司 | Silicon-controlled light dimming circuit, light dimming method and LED (light-emitting diode) driving circuit applying the light dimming circuit |
CN206977768U (en) * | 2017-06-13 | 2018-02-06 | 佛山市盛忻灯饰有限公司 | A kind of adaptive cosmetic mirror |
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