CN204810644U - Human infrared induction of balcony at night LED lamp of adjusting luminance - Google Patents
Human infrared induction of balcony at night LED lamp of adjusting luminance Download PDFInfo
- Publication number
- CN204810644U CN204810644U CN201520677514.0U CN201520677514U CN204810644U CN 204810644 U CN204810644 U CN 204810644U CN 201520677514 U CN201520677514 U CN 201520677514U CN 204810644 U CN204810644 U CN 204810644U
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- CN
- China
- Prior art keywords
- pulse
- chip
- high power
- light modulation
- delay circuit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to an electric light source technique specifically is a human infrared induction of balcony at night LED lamp of adjusting luminance. Including lamps and lanterns, power adapter, the steady voltage chip, human infrared sensor, light -off delay circuit, the normally open contact of the rela, pulse vibration generator adjusts luminance, the pulse PWM high power drive chip of adjusting luminance, emitting diode LED, wherein, human infrared sensor output meets light -off delay circuit, light -off delay circuit succeeds electrical apparatus, the power adapter direct current output connects relay contact points one end, the input of another termination steady voltage chip of relay contact points, the steady voltage chip output termination pulse vibration generator power end of adjusting luminance, the pulse vibration generator pulse output termination pulse PWM that adjusts luminance high power drive chip to be made and to hold, pulse PWM adjusts luminance high power drive chip output and meets emitting diode LED, and place lamps and lanterns in. The utility model is suitable for a balcony illumination at night, the people is bright at the lamp, and the people puts out from the lamp, and the power saving saves time.
Description
Technical field
The utility model relates to electric light source technology, specifically a kind of balcony human body infrared induction at night dimming LED lamp.
Background technology
Fluorescent lamp or the illumination of incandescent lamp balcony at night, manual touch-switch is easily forgotten and is turned off the light, and not only consume electric energy, also shorten bulb service life, and lamplight brightness can not be adjusted.
Summary of the invention
The purpose of this utility model is to provide night people and automatically lights illuminating lamp at balcony, a kind of balcony human body infrared induction at night dimming LED lamp that people turns off the light after the of short duration time delay of balcony.
Technical solution of the present utility model: comprise light fixture, power supply adaptor, voltage stabilizing chip, infrared sensor of the human body, light-off delay circuit, relay, dimmer pulse clapp oscillator, pulse PWM light modulation high power driving chip, LED, wherein, infrared sensor of the human body exports and connects light-off delay circuit, light-off delay circuit exports and connects relay, one end, power supply adaptor output dc voltage contact relay contact and infrared sensor of the human body power end, light-off delay circuit power end, the input of another termination voltage stabilizing chip of relay contact and pulse PWM light modulation high power driving chip power end, voltage stabilizing chip output connects dimmer pulse clapp oscillator power end, dimmer pulse clapp oscillator exports termination pulse PWM light modulation high power driving chip Enable Pin CE, pulse PWM light modulation high power driving chip output LX is through inductance L
1shunt capacitance C
7with LED anode, the Schottky diode D of pulse PWM light modulation high power driving chip output LX also earth
1, LED negative electrode meets electric capacity C
7with sampling resistor R
3connect pulse PWM light modulation high power driving chip error simultaneously and amplify FB end, the GND of voltage stabilizing chip, dimmer pulse clapp oscillator, pulse PWM light modulation high power driving chip holds ground connection, and LED is placed in light fixture, and power supply adaptor input meets AC power AC220V.
Dimmer pulse clapp oscillator by time base chip IC
2, resistance R
1, R
2, potentiometer RP
1, electric capacity C
1, C
2composition, resistance R
1, potentiometer RP
1, resistance R
2, electric capacity C
1connect successively, resistance R
1base chip IC when connecing
2power end, potentiometer RP
1, resistance R
2base chip IC when contact connects
2dIS end, potentiometer RP
1, electric capacity C
1base chip IC when contact connects
2comparator input terminal, electric capacity C
1, C
2ground connection, dimmer pulse clapp oscillator exports and connects pulse PWM light modulation high power driving chip Enable Pin, potentiometer RP
1change pulse frequency and duty ratio, cause LED average current to change and reach light modulation;
Light-off delay circuit by time base chip IC
4, resistance R
7, potentiometer RP
2, electric capacity C
8composition monostable flipflop, infrared sensor of the human body exports and meets triode VT
1base chip IC during triggering
4input, photosensitive tube VT
2through triode VT
3amplify base chip IC when connecting
4reset terminal, time base chip IC
4output contact relay, relay contact one termination power supply adaptor output dc voltage, another termination voltage stabilizing chip input.
The utility model produces useful good effect: daytime, light-operated locking human-body infrared sensing lamp did not work, and night, people was bright at balcony lamp, and people leaves away automatic distinguishing after of short duration time delay, and power saving saves time.Light modulation, tune time of turning off the light convenient.Pulse PWM light modulation high power driving chip driving LED is efficient, environmental protection.
Accompanying drawing explanation
Fig. 1 the utility model theory diagram
Fig. 2 balcony at night human body infrared induction dimming LED lamp circuit
Embodiment
With reference to Fig. 1, Fig. 2, the utility model embodiment and embodiment: comprise light fixture, power supply adaptor BB4, voltage stabilizing chip 5, infrared sensor of the human body 1, light-off delay circuit 2, relay K 3, dimmer pulse clapp oscillator 6, pulse PWM light modulation high power driving chip 7, LED 8, wherein, infrared sensor of the human body 1 exports and connects light-off delay circuit 2, light-off delay circuit 2 exports and connects relay K 3, power supply adaptor BB4 output dc voltage contact relay contact K
-1one end and infrared sensor of the human body 1 power end, light-off delay circuit 2 power end, relay contact K
-1the input of another termination voltage stabilizing chip 5 and pulse PWM light modulation high power driving chip 7 power end, voltage stabilizing chip 5 exports termination dimmer pulse clapp oscillator 6 power end, dimmer pulse clapp oscillator 6 output OUT meets pulse PWM light modulation high power driving chip 7 Enable Pin CE, and pulse PWM light modulation high power driving chip 7 output LX is through inductance L
1shunt capacitance C
7with LED 8 anode, the Schottky diode D of pulse PWM light modulation high power driving chip 7 output LX also earth
1, LED 8 negative electrode meets electric capacity C
7with sampling resistor R
3connect pulse PWM light modulation high power driving chip 7 error simultaneously and amplify FB end, the GND of voltage stabilizing chip 5, dimmer pulse clapp oscillator 6, pulse PWM light modulation high power driving chip 7 holds ground connection, and LED 8 is placed in light fixture, and power supply adaptor BB4 input meets AC power AC220V.
Embodiment daylight is strong, photosensitive tube VT
2in low-resistance, triode VT
3saturation conduction, time base chip IC
4forced resetting, relay contact K
-1chang Kai, people can not be bright at balcony lamp.
Night, light was dim, photosensitive tube VT
2in high resistant, triode VT
3cut-off, when people walks at balcony, infrared sensor of the human body induced voltage is through triode VT
1base chip IC during triggering light-off delay circuit
4set, relay K adhesive, contact K
-1connect voltage stabilizing chip power, voltage stabilizing chip output voltage supply dimmer pulse clapp oscillator, pulse PWM light modulation high power driving chip drive LED automatically to light, light-off delay circuit supply voltage V simultaneously
dDthrough resistance R
7, potentiometer RP
2to electric capacity C
8charging, people leaves away balcony electric capacity C
8electric discharge, time base chip IC
4upset, relay contact K
-1release, dimmer pulse clapp oscillator, pulse PWM light modulation high power driving chip have a power failure, and LED extinguishes, and power saving saves time.
Infrared sensor of the human body model AMNI, built-in infrared window optical filtering, infrared sensor, amplifier, comparator, output Shaping and voltage stabilizing, TO-5 encapsulates, and small and exquisite being convenient to of the bodily form is installed, detecting distance 5 meters, horizontal angle 100 °, vertical angle 82 °.Base chip IC during dimmer pulse clapp oscillator
2with base chip IC during light-off delay circuit
4model 555, pressurizer model 7806, pulse PWM light modulation high power driving chip model PT4105, driving power 3W dimming LED lamp.Potentiometer RP
1regulate LED luminance, potentiometer RP
2regulate time of turning off the light, convenient and practical.
Claims (2)
1. balcony human body infrared induction at a night dimming LED lamp, comprise light fixture, it is characterized in that: also comprise power supply adaptor, voltage stabilizing chip, infrared sensor of the human body, light-off delay circuit, relay, dimmer pulse clapp oscillator, pulse PWM light modulation high power driving chip, LED, wherein, infrared sensor of the human body exports and connects light-off delay circuit, light-off delay circuit exports and connects relay, one end, power supply adaptor output dc voltage contact relay contact and infrared sensor of the human body power end, light-off delay circuit power end, the input of another termination voltage stabilizing chip of relay contact and pulse PWM light modulation high power driving chip power end, voltage stabilizing chip output connects dimmer pulse clapp oscillator power end, dimmer pulse clapp oscillator exports termination pulse PWM light modulation high power driving chip Enable Pin CE, pulse PWM light modulation high power driving chip output LX is through inductance L
1shunt capacitance C
7with LED anode, the Schottky diode D of pulse PWM light modulation high power driving chip output LX also earth
1, LED negative electrode meets electric capacity C
7with sampling resistor R
3connect pulse PWM light modulation high power driving chip error simultaneously and amplify FB end, the GND of voltage stabilizing chip, dimmer pulse clapp oscillator, pulse PWM light modulation high power driving chip holds ground connection, and LED is placed in light fixture, and power supply adaptor input meets AC power AC220V.
2. balcony human body infrared induction at night according to claim 1 dimming LED lamp, is characterized in that: dimmer pulse clapp oscillator by time base chip IC
2, resistance R
1, R
2, potentiometer RP
1, electric capacity C
1, C
2composition, resistance R
1, potentiometer RP
1, resistance R
2, electric capacity C
1connect successively, resistance R
1base chip IC when connecing
2power end, potentiometer RP
1, resistance R
2base chip IC when contact connects
2dIS end, potentiometer RP
1, electric capacity C
1base chip IC when contact connects
2comparator input terminal, electric capacity C
1, C
2ground connection, dimmer pulse clapp oscillator exports and connects pulse PWM light modulation high power driving chip Enable Pin, potentiometer RP
1change pulse frequency and duty ratio, LED average current is changed and reaches light modulation;
Light-off delay circuit by time base chip IC
4, resistance R
7, potentiometer RP
2, electric capacity C
8composition monostable flipflop, human infrared sensor exports and meets triode VT
1base chip IC during triggering
4input, photosensitive tube VT
2through triode VT
3amplify base chip IC when connecting
4reset terminal, time base chip IC
4output contact relay, relay contact one termination power supply adaptor output dc voltage, another termination voltage stabilizing chip input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520677514.0U CN204810644U (en) | 2015-08-25 | 2015-08-25 | Human infrared induction of balcony at night LED lamp of adjusting luminance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520677514.0U CN204810644U (en) | 2015-08-25 | 2015-08-25 | Human infrared induction of balcony at night LED lamp of adjusting luminance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204810644U true CN204810644U (en) | 2015-11-25 |
Family
ID=54595387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520677514.0U Expired - Fee Related CN204810644U (en) | 2015-08-25 | 2015-08-25 | Human infrared induction of balcony at night LED lamp of adjusting luminance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204810644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106879116A (en) * | 2017-03-21 | 2017-06-20 | 苏州合欣美电子科技有限公司 | A kind of night lamp of self-starting |
-
2015
- 2015-08-25 CN CN201520677514.0U patent/CN204810644U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106879116A (en) * | 2017-03-21 | 2017-06-20 | 苏州合欣美电子科技有限公司 | A kind of night lamp of self-starting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20160825 |