CN105517232A - Intelligent light control system for LED lamps - Google Patents
Intelligent light control system for LED lamps Download PDFInfo
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- CN105517232A CN105517232A CN201510958447.4A CN201510958447A CN105517232A CN 105517232 A CN105517232 A CN 105517232A CN 201510958447 A CN201510958447 A CN 201510958447A CN 105517232 A CN105517232 A CN 105517232A
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- pole
- triode
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- diode
- polar capacitor
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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
-
- 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]
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention discloses an intelligent light control system for LED lamps. The system is mainly composed of a central processing unit, an infrared probe, and a photosensitive sensor, a data memory, an alarm, a power source and an LED lamp which are connected with the central processing unit. The system is characterized in that an infrared signal processing circuit is connected in series between the infrared probe and the central processing unit; the infrared signal processing circuit is composed of a signal carrier circuit connected with the infrared probe, and a filter and amplifier circuit connected with the signal carrier circuit; and the output end of the filter and amplifier circuit is connected with the central processing unit. With the intelligent light control system for LED lamps, the brightness of an LED desk lamp can be adjusted automatically, the distance between a user and the desk lamp can be controlled accurately, and the LED desk lamp can be turned off automatically when there is no one nearby. Therefore, electric energy is saved greatly, the useful life of the LED desk lamp is fully increased, and the use cost is reduced.
Description
Technical field
The present invention relates to the technical field of electronic equipment, specifically refer to the intelligent light-controlled system of a kind of LED.
Background technology
The normally fixing light of the LED desk lamp used in existing family, by user's hand control switch, this LED desk lamp cannot regulate brightness, when dark, user can feel insufficient light, can feel again that when light is stronger light is excessively bright, the deficiency of light all likely damages human eye with excessively bright.Meanwhile, if user use eyes from light too close to, also can damage human eye.
At present, some desk lamp can by the brightness of user's manual adjustments light, and user can the LED desk lamp light that is applicable to of the different adjustment of environmentally brightness, but the brightness of user's manual adjustments is also inaccurate.And user usually can forget closedown desk lamp when leaving, and wastes electric energy greatly.Therefore, research and develop and a kind ofly automatically can regulate the brightness of light, automatically shut down, and the intelligent desk lamp of the distance of user and desk lamp can be controlled, just become the present task of top priority.
Summary of the invention
The object of the invention is to overcome the brightness that LED desk lamp of the prior art can not regulate light automatically, automatically can not close, and the defect of the distance of user and desk lamp can not be controlled, the invention provides the intelligent light-controlled system of a kind of LED.
The present invention is achieved through the following technical solutions: the intelligent light-controlled system of a kind of LED, primarily of central processing unit, and infrared probe, and the light sensor, data storage, alarm, power supply and the LED that are all connected with central processing unit form; Meanwhile, between infrared probe and central processing unit, also infrared signal processing circuit is serially connected with.Described infrared signal processing circuit then cuts out wave circuit by the signal be connected with infrared probe, and cuts out with signal the filter amplification circuit that wave circuit is connected and form; The output of described filter amplification circuit is connected with central processing unit.
Described signal cuts out wave circuit by amplifier P1, triode VT1, diode D2, P pole is connected with the positive pole of amplifier P1, the diode D1 that N pole is connected with the P pole of diode D2 after resistance R2, positive pole is connected with the N pole of diode D1 after resistance R1, the polar capacitor C1 that negative pole is connected with the N pole of diode D2, negative pole is connected with the N pole of diode D2 after resistance R3 through resistance R4 in turn, the polar capacitor C2 that positive pole is connected with the output of amplifier P1, and P pole is connected with the negative pole of amplifier P1 after resistance R5, the diode D3 that N pole is connected with the base stage of triode VT1 forms, the emitter of described triode VT1 and the negative pole of polar capacitor C2 jointly form signal and cut out the output of wave circuit and be connected with filter amplification circuit, the grounded collector of this triode VT1, the input that wave circuit is cut out as signal in the N pole of described diode D1 is connected with infrared probe.
Described filter amplification circuit is by amplifier P2, triode VT2, triode VT3, one end is connected with the negative pole of amplifier P2, the resistance R6 that the other end is connected with the base stage of triode VT2, P pole is connected with the emitter of triode VT2 after resistance R7, the diode D4 that N pole is connected with the base stage of triode VT3, negative pole is connected with the emitter of triode VT3 after resistance R9, the polar capacitor C3 that positive pole is connected with the emitter of triode VT2, one end is connected with the negative pole of polar capacitor C3, the resistance R8 that the other end is connected with the emitter of triode VT2, P pole is connected with the emitter of triode VT2, the diode D5 that N pole is connected with the base stage of triode VT3 after resistance R10, negative pole is connected with the N pole of diode D5 after resistance R12, the polar capacitor C5 of ground connection while of after positive pole is connected with the collector electrode of triode VT3, and negative pole is connected with the output of amplifier P2 after resistance R11, the polar capacitor C4 that positive pole is connected with the N pole of diode D5 forms, the collector electrode of described triode VT2 is connected with the emitter of triode VT1, the positive pole of described amplifier is connected with the negative pole of polar capacitor C2, the positive pole of described polar capacitor C4 is as the output of filter amplification circuit.
For guaranteeing practical effect of the present invention, described light sensor preferentially adopts RA-1805NO type light sensor to realize; Infrared probe then adopts KR-P819 type infrared probe to realize.
The present invention compared with prior art has the following advantages and beneficial effect:
(1) infrared signal processing circuit of the present invention can carry out anti-interference process to the high-frequency signal in the detectable signal of infrared probe output and low frequency signal, can also prevent the interference signal in high frequency from scurrying into central processing unit, thus improve LED of the present invention intelligent light-controlled system LED desk lamp is automatically shut down, and control the accuracy of distance of user and desk lamp.
(2) present invention employs light sensor, the stable performance of this light sensor, the scope of Information Monitoring is wide, can accurately gather the brightness in acquisition range.
(3) infrared probe that the present invention adopts can carry out the detection of wide-angle 180 °, it has the advantages such as accuracy is high, sensitivity is strong, therefore, ensure that the intelligent light-controlled system of LED of the present invention can accurately be closed automatically to LED desk lamp, and improve the accuracy of this light control system to the distance measurement of human body and desk lamp.
(4) the intelligent light-controlled system of LED of the present invention, make LED desk lamp achieve automation brightness regulation, and can automatically close in unmanned, save electric energy greatly, and the useful life of LED desk lamp can be substantially increased, reduce use cost.
Accompanying drawing explanation
Fig. 1 is overall structure figure of the present invention.
Fig. 2 is the electrical block diagram of infrared signal processing circuit of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
As shown in Figure 1, the present invention is primarily of central processing unit, infrared probe, the light sensor be all connected with central processing unit, data storage, alarm, power supply and LED, and be serially connected in the infrared signal processing circuit composition between infrared probe and central processing unit; Wherein, as shown in Figure 2, it cuts out wave circuit by signal and filter amplification circuit forms for this infrared signal processing circuit.
For guaranteeing reliability service of the present invention, described central processing unit preferentially adopts LTC3455 integrated chip, the SEN pin of this LTC3455 integrated chip is connected with light sensor, BST pin is connected with LED, SW pin is connected with data storage, SET pin is connected with alarm, and VC pin is connected with power supply.Described power supply is 12V direct voltage, and this 12V direct voltage is that central processing unit is powered.
As shown in Figure 2, described signal cuts out wave circuit by amplifier P1, triode VT1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, polar capacitor C1, polar capacitor C2, diode D1, diode D2, and diode D3 forms.
During connection, the P pole of diode D1 is connected with the positive pole of amplifier P1, N pole is connected with the P pole of diode D2 after resistance R2.The positive pole of polar capacitor C1 is connected with the N pole of diode D1 after resistance R1, negative pole is connected with the N pole of diode D2.The negative pole of polar capacitor C2 is connected with the N pole of diode D2 after resistance R3 through resistance R4 in turn, positive pole is connected with the output of amplifier P1.The P pole of diode D3 is connected with the negative pole of amplifier P1 after resistance R5, N pole is connected with the base stage of triode VT1.
The emitter of described triode VT1 and the negative pole of polar capacitor C2 jointly form signal and cut out the output of wave circuit and be connected with filter amplification circuit, the grounded collector of this triode VT1; The input that wave circuit is cut out as signal in the N pole of described diode D1 is connected with infrared probe.
Meanwhile, described filter amplification circuit by amplifier P2, triode VT2, triode VT3, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, polar capacitor C3, polar capacitor C4, polar capacitor C5, diode D4, and diode D5 forms.
During connection, one end of resistance R6 is connected with the negative pole of amplifier P2, the other end is connected with the base stage of triode VT2.The P pole of diode D4 is connected with the emitter of triode VT2 after resistance R7, N pole is connected with the base stage of triode VT3.The negative pole of polar capacitor C3 is connected with the emitter of triode VT3 after resistance R9, positive pole is connected with the emitter of triode VT2.
One end of described resistance R8 is connected with the negative pole of polar capacitor C3, the other end is connected with the emitter of triode VT2.The P pole of diode D5 is connected with the emitter of triode VT2, N pole is connected with the base stage of triode VT3 after resistance R10.The ground connection while of after the negative pole of polar capacitor C5 is connected with the N pole of diode D5 after resistance R12, positive pole is connected with the collector electrode of triode VT3.The negative pole of polar capacitor C4 is connected with the output of amplifier P2 after resistance R11, positive pole is connected with the N pole of diode D5.
The collector electrode of described triode VT2 is connected with the emitter of triode VT1; The positive pole of described amplifier is connected with the negative pole of polar capacitor C2; The positive pole of described polar capacitor C4 as filter amplification circuit output and be connected with the DIM pin of LTC3455 integrated chip.
Operationally, the signal of the signal that infrared probe detects in infrared signal processing circuit is cut out wave circuit and is carried out anti-interference process to high-frequency signal and low frequency signal, can also eliminate the interference signal in high frequency in the present invention.The signal cut out after wave circuit process through signal is transferred to filter amplification circuit after amplifier P1, triode VT1, and signal filters by this filter amplification circuit, and exports after amplifying.
During operation, described light sensor preferentially adopts RA-1805NO type light sensor to realize; The luminance signal collected for gathering the monochrome information in grease chamber, and is transferred to central processing unit by this light sensor.Brightness reference point is set with in described central processing unit, the luminance signal received is converted to data value and compares with brightness reference point by this central processing unit, and exports according to the result of comparison that corresponding to control the brightness maintenance that electric current makes LED desk lamp consistent with the brightness reference point set in central processing unit.
Wherein, described infrared probe is 180 ° of wide-angle infrared probes, and this infrared probe can accurately detect indoor constantly, and the information detected is transferred to central processing unit after infrared signal processing circuit process.When infrared ray probe detection is to indoor nobody time, and by this information transmission to central processing unit, at this moment central processing unit just can automatically stop exporting control electric current after information analysis, and this LED is just closed, and now LED also can return to rebooting status.
Simultaneously, also preset the safe distance value of human body and desk lamp in described central processing unit, when being less than the preset safe distance value in central processing unit when the distance of human body and desk lamp, central processing unit output LOW current is to alarm, now, alarm is unlocked and sends chimes of doom.When being greater than the preset safe distance value in central processing unit when the distance of human body and desk lamp, alarm stop alarm, thus the eyes effectively protecting user preserve from.
For guaranteeing reliability service of the present invention, described alarm then preferentially adopts to be had highly sensitive HARBT-6000-T alarm and realizes; Infrared probe then adopts KR-P819 type infrared probe to realize; The data storage that simultaneously data storage preferentially have employed C8051F020 type realizes.
As mentioned above, just the present invention can well be realized.
Claims (5)
1. the intelligent light-controlled system of LED, primarily of central processing unit, infrared probe, and the light sensor, data storage, alarm, power supply and the LED that are all connected with central processing unit form; It is characterized in that, between infrared probe and central processing unit, be also serially connected with infrared signal processing circuit; Described infrared signal processing circuit then cuts out wave circuit by the signal be connected with infrared probe, and cuts out with signal the filter amplification circuit that wave circuit is connected and form; The output of described filter amplification circuit is connected with central processing unit.
2. the intelligent light-controlled system of a kind of LED according to claim 1, it is characterized in that, described signal cuts out wave circuit by amplifier P1, triode VT1, diode D2, P pole is connected with the positive pole of amplifier P1, the diode D1 that N pole is connected with the P pole of diode D2 after resistance R2, positive pole is connected with the N pole of diode D1 after resistance R1, the polar capacitor C1 that negative pole is connected with the N pole of diode D2, negative pole is connected with the N pole of diode D2 after resistance R3 through resistance R4 in turn, the polar capacitor C2 that positive pole is connected with the output of amplifier P1, and P pole is connected with the negative pole of amplifier P1 after resistance R5, the diode D3 that N pole is connected with the base stage of triode VT1 forms, the emitter of described triode VT1 and the negative pole of polar capacitor C2 jointly form signal and cut out the output of wave circuit and be connected with filter amplification circuit, the grounded collector of this triode VT1, the input that wave circuit is cut out as signal in the N pole of described diode D1 is connected with infrared probe.
3. the intelligent light-controlled system of a kind of LED according to claim 2, it is characterized in that, described filter amplification circuit is by amplifier P2, triode VT2, triode VT3, one end is connected with the negative pole of amplifier P2, the resistance R6 that the other end is connected with the base stage of triode VT2, P pole is connected with the emitter of triode VT2 after resistance R7, the diode D4 that N pole is connected with the base stage of triode VT3, negative pole is connected with the emitter of triode VT3 after resistance R9, the polar capacitor C3 that positive pole is connected with the emitter of triode VT2, one end is connected with the negative pole of polar capacitor C3, the resistance R8 that the other end is connected with the emitter of triode VT2, P pole is connected with the emitter of triode VT2, the diode D5 that N pole is connected with the base stage of triode VT3 after resistance R10, negative pole is connected with the N pole of diode D5 after resistance R12, the polar capacitor C5 of ground connection while of after positive pole is connected with the collector electrode of triode VT3, and negative pole is connected with the output of amplifier P2 after resistance R11, the polar capacitor C4 that positive pole is connected with the N pole of diode D5 forms, the collector electrode of described triode VT2 is connected with the emitter of triode VT1, the positive pole of described amplifier is connected with the negative pole of polar capacitor C2, the positive pole of described polar capacitor C4 is as the output of filter amplification circuit.
4. the intelligent light-controlled system of a kind of LED according to claim 3, is characterized in that, described light sensor is RA-1805NO type light sensor.
5. the intelligent light-controlled system of a kind of LED according to claim 4, is characterized in that, described infrared probe is KR-P819 type infrared probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510958447.4A CN105517232A (en) | 2015-12-18 | 2015-12-18 | Intelligent light control system for LED lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510958447.4A CN105517232A (en) | 2015-12-18 | 2015-12-18 | Intelligent light control system for LED lamps |
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| Publication Number | Publication Date |
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| CN105517232A true CN105517232A (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510958447.4A Withdrawn CN105517232A (en) | 2015-12-18 | 2015-12-18 | Intelligent light control system for LED lamps |
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| CN (1) | CN105517232A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200973190Y (en) * | 2006-10-17 | 2007-11-07 | 河南霍普曼科技有限公司 | Controller of LED electric saving lamp |
| CN201063902Y (en) * | 2007-03-08 | 2008-05-21 | 宁波安迪光电科技有限公司 | LED driving power supply |
| US20090015759A1 (en) * | 2007-07-06 | 2009-01-15 | Nec Lcd Technologies, Ltd | Light emission control circuit, light emission control method, flat illuminating device, and liquid crystal display device having the same device |
| CN202907299U (en) * | 2012-11-06 | 2013-04-24 | 广东技术师范学院 | Laser-sensing-type intelligent energy-saving LED lighting device |
| CN103428957A (en) * | 2012-05-18 | 2013-12-04 | 江俊龙 | Light emitting diode driving circuit |
| CN203606914U (en) * | 2013-10-31 | 2014-05-21 | 滨州学院 | Infrared alarm based on single-chip microcomputer |
| US20150102742A1 (en) * | 2013-10-15 | 2015-04-16 | Silergy Semiconductor Technology (Hangzhou) Ltd | Dimming method and circuit and controlled-silicon dimming circuit with the same |
| CN104869689A (en) * | 2014-02-21 | 2015-08-26 | 三垦电气株式会社 | LED lighting apparatus |
-
2015
- 2015-12-18 CN CN201510958447.4A patent/CN105517232A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200973190Y (en) * | 2006-10-17 | 2007-11-07 | 河南霍普曼科技有限公司 | Controller of LED electric saving lamp |
| CN201063902Y (en) * | 2007-03-08 | 2008-05-21 | 宁波安迪光电科技有限公司 | LED driving power supply |
| US20090015759A1 (en) * | 2007-07-06 | 2009-01-15 | Nec Lcd Technologies, Ltd | Light emission control circuit, light emission control method, flat illuminating device, and liquid crystal display device having the same device |
| CN103428957A (en) * | 2012-05-18 | 2013-12-04 | 江俊龙 | Light emitting diode driving circuit |
| CN202907299U (en) * | 2012-11-06 | 2013-04-24 | 广东技术师范学院 | Laser-sensing-type intelligent energy-saving LED lighting device |
| US20150102742A1 (en) * | 2013-10-15 | 2015-04-16 | Silergy Semiconductor Technology (Hangzhou) Ltd | Dimming method and circuit and controlled-silicon dimming circuit with the same |
| CN203606914U (en) * | 2013-10-31 | 2014-05-21 | 滨州学院 | Infrared alarm based on single-chip microcomputer |
| CN104869689A (en) * | 2014-02-21 | 2015-08-26 | 三垦电气株式会社 | LED lighting apparatus |
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Application publication date: 20160420 |
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