CN102595724B - Novel intelligent energy-saving long-life and human body induction type light-emitting diode (LED) lamp - Google Patents
Novel intelligent energy-saving long-life and human body induction type light-emitting diode (LED) lamp Download PDFInfo
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- CN102595724B CN102595724B CN201210031009.XA CN201210031009A CN102595724B CN 102595724 B CN102595724 B CN 102595724B CN 201210031009 A CN201210031009 A CN 201210031009A CN 102595724 B CN102595724 B CN 102595724B
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The invention provides a novel intelligent energy-saving long-life and human body induction type light-emitting diode (LED) lamp, which is characterized by comprising a power supply module, a power supply and voltage conversion module, a control module and an LED light source module. The control module comprises a central processing unit (CPU), a detector in circuit connection and signal connection with the CPU and a photoreceptor. The power supply module is the main power supply of the whole lamp and converts mains supply alternating current to direct current supplied to the power supply and voltage conversion module. The power supply and voltage conversion module is in circuit connection with the LED light source module and the CPU and used for converting one path of the power supply of the power supply and supplying the converted power supply to the LED light source module, and the other path of the power supply of the power supply outputs 3.3V voltage to supply power for the CPU. The CPU is used for receiving human body signals detected by the detector and ambient light signals acquired by the photoreceptor and outputting control signals to the LED light source module. The novel intelligent energy-saving long-life and human body induction type LED lamp has high optical efficiency and long service life, is energy-saving and environment-friendly, and the light is soft and not glaring.
Description
Technical field
The present invention relates to LED field of light fittings, be specifically related to the long-life human body induction type LED light fixture of a kind of novel energy-conserving, intelligence.
Background technology
Low-carbon (LC), energy-conservation today are advocated in the whole world, energy-saving lamp has become people and has used the first-selection of light fixture, and human body inductive lamp is as one of representative of energy-saving lamp, be widely used in the unmanned occasion of manually controlling in stair, corridor, parking lot, warehouse, toilet etc.There is the function of " people come i.e. bright, people from going out ", avoided no one's activity bright light phenomenon too, played the effect of electricity saving and energy saving.
Human body inductive lamp develops into today and divides with the kind of light source, can be divided into representational three generations: the first generation: human body induction type incandescent lamp light fixture; The second generation: human body induction type fluorescent lighting fixture; The third generation: human body induction type LED light fixture.
On existing market, these three kinds of sense lights have following characteristics:
The first generation, human body induction type incandescent lamp light fixture: cost is low, and light source life is moderate, easy to maintenance, simple; But incandescent light source luminous efficiency is low, caloric value is large, not energy-conservation with respect to fluorescent lamp, LED lamp, require high to the temperature tolerance of light fixture lamp body material.
The second generation, human body induction type fluorescent lighting fixture: cost is moderate, light source light-emitting efficiency is high, caloric value is little; But because fluorescent light due to the characteristic of fluorescent lamp is short for the sense light switching surge life-span, maintenance cost is high; Light source contains heavy metal Hg, not environmental protection.
The third generation, human body induction type LED light fixture: luminous efficiency is high, caloric value is little, the life-span is long; Without mercury environmental protection, volume is little, moulding is many.Human body induction type LED light fixture is current popular induction type energy-saving lamp, but the most of functions of induction type LED light fixture are in the market simple, there is the common ground with front two generations's body induction light fixture: play " people comes womp; people is gone out from time delay is prominent " night, be that lamp lamp in the time that night, no one walked about does not work, place environment can describe with " as dark as a stack of black cats ", can unexpected bright light in the time having people to pass by the induction zone of sense light, the light of moment allows people's visual angle have a kind of sense of impacting, and easily causes people's fear; When people leave the induction zone of sense light but near the also operation induction zone at sense light, when movable, after lamp time delay certain hour (normally in 1 minute), sense light " suddenly " closes and goes out, and makes again place environment get back to " as dark as a stack of black cats ", allows people feel inconvenience in this weak point reality.
Summary of the invention
In view of this, be necessary the problem mentioned for background technology, a kind of novel human-body induction light fixture that meets following requirement be provided:
1, light source light-emitting efficiency is high, the life-span is long, energy-conserving and environment-protective;
2,, when daytime, ambient brightness was enough, there are all bright lights not of people, unmanned movable sense light;
3,, when night, ambient brightness was inadequate, when unmanned activity, sense light can send faint light for " mini light night " pattern, makes the surrounding environment glimmer of lamp, plays the effect of pre-illumination; In the time having people movable, sense light switches to " key lighting lamp " pattern, the brightness of opening sufficient lamp; When people leaves behind the induction zone of sense light, lamp time delay certain hour (within 1 minute) is switched to again " mini light night " pattern, sends faint light, refuses the phenomenon of environment of living in " as dark as a stack of black cats ";
4, light is switched to " foot bright (key lighting lamp) pattern " from " glimmer (mini light night) pattern ", a progressive formation (in the 0.5 second time) from " foot bright (key lighting lamp) pattern " to the process of " glimmer (mini light night) pattern ", make light transformation become soft, the phenomenon that does not exist " womp, prominent going out " to impact human eye visual angle.
The present invention is achieved by the following technical solutions:
A long-life human body induction type LED light fixture for novel energy-conserving, intelligence, comprises power module, supply voltage modular converter, control module, LED light source module; Described control module comprises CPU, be connected with cpu circuit and detector and photoreceptor that signal connects; Described power module is the general supply of whole lamp, and civil power alternating current is converted to direct current supply line voltage modular converter; Described supply voltage modular converter is connected with described LED light source module and described cpu circuit, offers LED light source module for the power supply of power module is changed to a road, and another road output 3.3V is CPU power supply; The ambient light signal that the human body signal that described CPU surveys for pick-up probe and photoreceptor obtain, outputs control signals to described LED light source module.
Described CPU is AS081 chip.
The collector electrode of the input anode connecting triode Q1 of described supply voltage modular converter, the emitter of Q1 connects the positive pole of described LED light source module, input cathode is earth terminal, and it connects the negative pole of LED light source module, and the base stage of triode Q1 connects the OUT pin of described CPU by resistance R 2.
The input anode of described supply voltage modular converter connects the input Vin of three terminal regulator IC1 after inductance L 1, capacitor C 1 filtering, IC1 is connected with the VDD pin of CPU after capacitor C 2, C3 filtering from the voltage of output pin Vout output 3.3V, for CPU provides stable 3.3V working power.
The positive pole of described detector connects the PVDD pin of described CPU, therebetween by capacitor C 7 ground connection, and the minus earth of detector, the output of detector connects the PIR pin of described CPU after R3 in parallel, the filtering of C6 ground connection.
Described photoreceptor and variable resistor RV1 are series between the PVDD pin and ground of described CPU.
Contact resistance R1 between the VDD pin of described CPU and RST pin, VSS pin ground connection, FILT pin is by capacitor C 5 ground connection, RST pin is by capacitor C 4 ground connection, TC1 pin is crossed variable resistor RV2 ground connection, and TVDD pin is by R4, the RV2 ground connection of series connection, and CDS pin is connected between photoreceptor 330 and variable resistance RV1.
Compared with prior art, the present invention possesses following advantage:
1, light source light-emitting efficiency is high, the life-span is long, energy-conserving and environment-protective;
2,, when daytime (ambient brightness is enough), there are all bright lights not of people, unmanned movable sense light;
3, when night (ambient brightness is inadequate), unmanned when movable sense light can send faint light for " mini light night " pattern, make the surrounding environment glimmer of lamp, play the effect of pre-illumination; In the time having people movable, sense light switches to " key lighting lamp " pattern, the brightness of opening sufficient lamp; When people leaves behind the induction zone of sense light, lamp time delay certain hour (within 1 minute) is switched to again " mini light night " pattern, sends faint light, refuses the phenomenon of environment of living in " as dark as a stack of black cats ";
4, light is switched to " foot bright (key lighting lamp) pattern " from " glimmer (mini light night) pattern ", a progressive formation (in the 0.5 second time) from " foot bright (key lighting lamp) pattern " to the process of " glimmer (mini light night) pattern ", make light transformation become soft, the phenomenon that does not exist " womp, prominent going out " to impact human eye visual angle.
Brief description of the drawings
Fig. 1 is electrical block diagram of the present invention.
Embodiment
As shown in Figure 1, embodiment of the present invention comprises power module 100, supply voltage modular converter 200, control module 300, LED light source module 400, detector 320 and photoreceptor 330 that described control module 300 comprises CPU310, is connected with CPU310.
Described CPU310 is AS081 chip.
The general supply that power module 100 is whole lamp, civil power alternating current (AC) is converted to high accuracy direct current (DC) through it.
Supply voltage modular converter 200 is power supply voltage converter, offers LED light source module 400 for the power supply of power module 100 is changed to a road, and another road output 3.3V is CPU310 power supply.
The input of supply voltage modular converter 200 connects described power module 100, the collector electrode of input anode connecting triode Q1, the emitter of Q1 connects the positive pole of LED light source module 400, input cathode is earth terminal, it connects the negative pole of LED light source module 400, and the base stage of triode Q1 connects the OUT pin of described CPU310 by resistance R 2.
The input anode of supply voltage modular converter 200 connects the input Vin of three terminal regulator IC1 after inductance L 1, capacitor C 1 filtering, IC1 is connected with the VDD pin of CPU310 after capacitor C 2, C3 filtering from the voltage of output pin Vout output 3.3V, for CPU310 provides stable 3.3V working power.
Described CPU310 is microcomputer process chip, for receiving the control signal of human body signal and ambient light signal, output LED light source module; Detector 320 is released Infrared Detectors for heat, its principle is to gather on pyroelectricity element after distinctive human body infrared temperature radiation signal is strengthened by Fresnel Lenses filter, heat release element lose charge balance send signal to the PIR pin of CPU310 to represent there is people in activity in induction zone; The principle of described photoreceptor 330 is: the internal resistance of photoreceptor 330 is affected by the power of extraneous light, also different to the level of the CDS pin of CPU310 from dividing potential drop after resistance R V1 series connection.
Contact resistance R1 between the VDD pin of CPU310 and RST pin, VSS pin ground connection, FILT pin is by capacitor C 5 ground connection, RST pin is by capacitor C 4 ground connection, TC1 pin is crossed variable resistor RV2 ground connection, and TVDD pin is by R4, the RV2 ground connection of series connection, and CDS pin is connected between photoreceptor 330 and variable resistance RV1.
The positive pole of detector 320 connects the PVDD pin of CPU310, therebetween by a C7 ground connection, and minus earth, its output connects the PIR pin of CPU310 after R3 in parallel, the filtering of C6 ground connection.
Photoreceptor 330 and RV1 are series between the PVDD pin and earth terminal of CPU310.
Described LED light source module 400 comprises multi-way LED lamp in parallel, and every road comprises multiple LED lamps.
The operation principle of whole system is as follows:
On daytime, light is strong, and photoreceptor 330 internal resistances diminish, and the CDS pin level of CPU310 is lower than definite value, and the OUT human hair combing waste of CPU goes out to close modulating signal, and when a little, whole lamp is in resting state;
Evening, a little less than light, the interior resistive of photoreceptor 330 is large, the CDS pin level of CPU310 is higher than definite value, the OUT human hair combing waste of CPU goes out duty ratio and only has the PWM of 0.1-0.3 " mini light night pattern " signal, and sense light quite " mini light night " sends faint light, plays pre-illumination, the PIR pin of CPU310 is in the monitoring state simultaneously, and when a little, whole lamp is in having or not personnel activity's monitoring state;
In the time having people movable, the PIR pin of CPU310 receives that heat releases the signal that Infrared Detectors 320 sends, the OUT human hair combing waste of CPU310 goes out duty ratio and increases to 1 the PWM signal of turning on light in 0.5 second, and now lamp is gradient to " foot is bright " by " glimmer " in 0.5 second and is switched to " key lighting lamp " pattern;
When people leaves induction zone, the PIR pin of CPU310 is not received signal, after CPU310 internal delay time certain hour (normally in 60 seconds, this time can be adjusted by RV2), the OUT human hair combing waste of CPU310 goes out duty ratio is down in 0.5 second and only has the PWM of the 0.1-0.3 signal of turning on light, and sense light is switched to again " mini light night " pattern;
The open and close of LED light source module 400 and shading value are realized by the Duty ratio control transistor Q1 of the pwm signal of the OUT pin of CPU310: on daytime, the strong PWM duty ratio of light is 0, Q1 cut-off, and LED light source module 400 is for closing; Evening, a little less than light, nobody time PWM duty ratio be 0.1-0.3, Q1 only has the angle of flow of 10%-30%, LED light source module 400 is " mini light night " pattern, glimmer, and while having people movable, PWM duty ratio is 1, the complete conducting of Q1, LED light source module 400 is " key lighting lamp " pattern, foot is bright.
Below, as an example of the human body inductive lamp of 8W example, its working procedure is described:
1, performance parameter:
A) operating voltage: 170-240V ~/50Hz;
B) foot bright " key lighting lamp " mode power: about 8W;
C) glimmer " mini light night " mode power: be less than 3W;
The ambient light illumination of d) turning on light and switching: about 3-10LUX; Turn off the light switch ambient light illumination: about 7-15LUX; Actual value can be by changing the resistance adjustment of RV1;
E) time delay is turned off the light the time: be less than 60 seconds.Actual value can be by changing the resistance adjustment of RV2;
F) induction angle: 90 degree;
G) distance of reaction: in 7 meters.
2, working procedure:
On 2.1 daytimes, ambient light is strong, illumination >=7-15LUX, and photoreceptor internal resistance diminishes, and the CDS pin level of CPU is lower than definite value, and the OUT human hair combing waste of CPU goes out to close modulating signal, and LED module is bright light not, and when a little, whole lamp is in resting state.
2.2, arrived at dusk the colour of sky dark gradually under, ambient light dies down, as illumination≤3-10LUX, in photoreceptor, resistive is large, the CDS pin level of CPU310 is higher than definite value, the OUT human hair combing waste of CPU310 goes out " mini light night " mode signal, and LED module sends faint light makes the surrounding environment glimmer of lamp play the effect of pre-photograph, and when a little, whole lamp is in having or not personnel activity's monitoring state:
2.2.1, release Infrared Detectors 320 when heat and monitored people when movable, send the PIR pin of signal to CPU310, the OUT human hair combing waste of CPU310 goes out duty ratio and increases to 1 the PWM signal of turning on light in 0.5 second, now LED lamp is gradient to " foot is bright " in 0.5 second and enters " key lighting lamp " pattern by " glimmer ", this process is the very soft process that brightens, and human eye be there is no to the moment impact of " womp ";
2.2.2, when people leaves behind monitoring section, heat is released Infrared Detectors 320 and is monitored no one when movable, the PIR pin of CPU310 does not have after signal, in 60 seconds, the OUT human hair combing waste of CPU310 goes out in duty ratio 0.5 second PWM " mini light night " mode signal that drops to 0.1-0.3 from 1, now LED lamp enters " mini light night " pattern by being gradient to " glimmer " from " foot is bright " in 0.5 second, this process is very soft dimmed process, is not depositing " prominent going out " phenomenon.
2.3, evening, the whole lamp of illumination≤3-10LUX is got back to the monitoring state that (2.2.1) has or not personnel activity.
2.4, daytime, illumination >=7-15LUX gets back to (2.1) whole lamp in resting state.
Claims (1)
1. a long-life human body induction type LED light fixture for novel energy-conserving, intelligence, is characterized in that: comprise power module, supply voltage modular converter, control module, LED light source module; Described control module comprises CPU, the detector and the photoreceptor that are connected with CPU respectively; Described power module is the general supply of whole lamp, and civil power alternating current is converted to direct current supply line voltage modular converter; Described supply voltage modular converter is connected with described LED light source module and described CPU, offers LED light source module for the power supply of power module is changed to a road, and another road output 3.3V is CPU power supply; The ambient light signal that the human body signal that described CPU surveys for pick-up probe and photoreceptor obtain, outputs control signals to described LED light source module; Described CPU is AS081 chip; The collector electrode of the input anode connecting triode Q1 of described supply voltage modular converter, the emitter of Q1 connects the positive pole of described LED light source module, input cathode is earth terminal, and it connects the negative pole of LED light source module, and the base stage of triode Q1 connects the OUT pin of described CPU by resistance R 2; The input anode of described supply voltage modular converter connects the input Vin of three terminal regulator IC1 after inductance L 1, capacitor C 1 filtering, the voltage of the output pin Vout output 3.3V of IC1 is connected with the VDD pin of CPU after capacitor C 2, C3 filtering, for CPU provides stable 3.3V working power; The positive pole of described detector connects the PVDD pin of described CPU, therebetween by capacitor C 7 ground connection, and minus earth, its output connects the PIR pin of described CPU after R3 in parallel, the filtering of C6 ground connection; Described photoreceptor and variable resistor RV1 are series between the PVDD pin and ground of described CPU; Contact resistance R1 between the VDD pin of described CPU and RST pin, VSS pin ground connection, FILT pin is by capacitor C 5 ground connection, RST pin is by capacitor C 4 ground connection, TC1 pin is by variable resistor RV2 ground connection, and TVDD pin is by R4, the RV2 ground connection of series connection, and CDS pin is connected between photoreceptor and variable resistance RV1.
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| CN103220862A (en) * | 2013-04-18 | 2013-07-24 | 涂小兵 | Control circuit and control method for achieving multiple lighting functions of human body induction LED lamp |
| CN104394618A (en) * | 2014-11-14 | 2015-03-04 | 涂小兵 | LED light-emitting device having multiple lighting functions and control method of LED light-emitting device |
| CN107529246A (en) * | 2016-06-22 | 2017-12-29 | 赛尔富电子有限公司 | A kind of automatic induction system and automatic sensing control method for LED illumination control |
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| CN202065872U (en) * | 2010-04-16 | 2011-12-07 | 美国双E电子系统集团有限公司 | Energy saving illumination system |
| CN202488818U (en) * | 2012-02-13 | 2012-10-10 | 广东亮迪照明有限公司 | Novel energy-saving and intelligent human body inductive type LED (light-emitting diode) light with long service life |
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| CN2089684U (en) * | 1991-05-16 | 1991-11-27 | 钮云超 | Automatic lighting lamp by human body induction at night |
| CN2572711Y (en) * | 2002-09-21 | 2003-09-10 | 文大承 | Sensor for controlling lamp on/off |
| CN2762438Y (en) * | 2004-09-20 | 2006-03-01 | 李哲 | Intelligent electric-saving switch |
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