CN204810646U - Infrared sensing in DC power supply garage at night LED lamp of adjusting luminance - Google Patents
Infrared sensing in DC power supply garage at night LED lamp of adjusting luminance Download PDFInfo
- Publication number
- CN204810646U CN204810646U CN201520677524.4U CN201520677524U CN204810646U CN 204810646 U CN204810646 U CN 204810646U CN 201520677524 U CN201520677524 U CN 201520677524U CN 204810646 U CN204810646 U CN 204810646U
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- CN
- China
- Prior art keywords
- pulse
- light
- chip
- power supply
- high power
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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.)
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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 an infrared sensing in DC power supply garage at night LED lamp of adjusting luminance. Including lamps and lanterns, DC power supply, the steady voltage chip, 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, infrared sensor output meets light -off delay circuit, light -off delay circuit succeeds electrical apparatus, DC power supply connects relay contact points one end, the input of another termination steady voltage chip contacts, the steady voltage chip output termination pulse vibration generator power end of adjusting luminance, the pulse vibration generator that adjusts luminance output termination pulse PWM 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 do not have alternating current power supply's illumination at garage night, the people is bright at the garage lamp, and the people leaves away the lamp and puts out, and the power saving that saves time prevents that the vehicle from cominging in and going out to draw together to wipe.
Description
Technical field
The utility model relates to electric light source technology, specifically a kind of DC power supply garage at night infrared sensing dimming LED lamp.
Background technology
The garage that AC-less power is powered, do not have night lighting to come in and go out inconvenient, wiping potential safety hazard drawn together by potential vehicle.Forget with DC power supply illumination and turn off the light, be not intended to consume electric energy, reduce battery useful life.The adjustable needs adapting to different illumination of brightness are wished in garage illumination.
Summary of the invention
The purpose of this utility model provides AC-less power garage at night to throw light on, and automobile warehouse-in lights illuminating lamp automatically, and people leaves away a kind of DC power supply garage at night infrared sensing dimming LED lamp that garage time delay is turned off the light.
Technical solution of the present utility model: comprise light fixture, DC power supply, voltage stabilizing chip, infrared sensor, light-off delay circuit, relay, dimmer pulse clapp oscillator, pulse PWM light modulation high power driving chip, LED, wherein, infrared sensor exports and connects light-off delay circuit, light-off delay circuit exports and connects relay, DC power supply exports one end, contact relay contact and infrared sensor 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
3, connect 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.
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, the change of LED average current 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, 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.
The utility model produces useful good effect: solve and do not have the illumination of AC power garage automatic switch at night, daytime light-operated locking infrared sensing, lamp does not work.Night, come in and go out garage non-attended light of automobile was bright, and people leaves away Delayed extinguishing, and power saving saves time, and prevents vehicle from coming in and going out and draws together wiping.
Accompanying drawing explanation
Fig. 1 the utility model theory diagram
Fig. 2 DC power supply garage at night infrared sensing dimming LED lamp circuit
Embodiment
With reference to Fig. 1, Fig. 2, the utility model embodiment and embodiment: comprise light fixture 9, DC power supply E4, voltage stabilizing chip 5, infrared sensor 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 1 exports and connects light-off delay circuit 2, light-off delay circuit 2 exports and connects relay K 3, DC power supply E4 through switch S contact relay contact K
-1one end and infrared sensor 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
3, connect 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 9.
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, car enter garage lights and do not work.
Night, light was dim, photosensitive tube VT
2in high resistant, triode VT
3cut-off, when people, car enter garage, infrared sensor induced voltage is through triode VT
1base chip IC during triggering light-off delay circuit
4set, relay K adhesive, contact K-
1switch on power voltage stabilizing chip, and 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
dDthrough resistance R
7, potentiometer RP
2to electric capacity C
8charging, people leaves away electric capacity C behind garage
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 is extinguished.
Embodiment infrared sensor model AMNI, built-in infrared window optical filtering, infrared sensor, amplifier, comparator, output Shaping and voltage stabilizing, TO-5 encapsulates small and exquisite being convenient to of the bodily form and installs, 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, voltage stabilizing chip model 7806, pulse PWM light modulation high power driving chip IC
3model PT4105, driving power 3W dimming LED lamp.
Potentiometer RP
1stepless dimming LED brightness, potentiometer RP
2regulate time of turning off the light.
Claims (3)
1. DC power supply garage at a night infrared sensing dimming LED lamp, comprise light fixture, DC power supply, it is characterized in that: also comprise voltage stabilizing chip, infrared sensor, light-off delay circuit, relay, dimmer pulse clapp oscillator, pulse PWM light modulation high power driving chip, LED, wherein, infrared sensor exports and connects light-off delay circuit, light-off delay circuit exports and connects relay, DC power supply exports one end, contact relay contact and infrared sensor 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
3, connect 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.
2. DC power supply garage at night according to claim 1 infrared sensing dimming LED lamp, is characterized in that: dimmer pulse clapp oscillator by time base chip IC
2, resistance R
1, R
2, light adjusting potentiometer RP
1, electric capacity C
1, C
2composition, resistance R
1, light adjusting potentiometer RP
1, resistance R
2, electric capacity C
1connect successively, resistance R
1base chip IC when connecing
2power end, light adjusting potentiometer RP
1, resistance R
2base chip IC when contact connects
2dIS end, light adjusting 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, light adjusting potentiometer RP
1change pulse frequency and duty ratio, the change of LED average current reaches light modulation.
3. DC power supply garage at night according to claim 1 infrared sensing dimming LED lamp, is characterized in that: light-off delay circuit by time base chip IC
4, resistance R
7, potentiometer RP
2, electric capacity C
8composition monostable flipflop, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520677524.4U CN204810646U (en) | 2015-08-25 | 2015-08-25 | Infrared sensing in DC power supply garage at night LED lamp of adjusting luminance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520677524.4U CN204810646U (en) | 2015-08-25 | 2015-08-25 | Infrared sensing in DC power supply garage at night LED lamp of adjusting luminance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204810646U true CN204810646U (en) | 2015-11-25 |
Family
ID=54595389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520677524.4U Expired - Fee Related CN204810646U (en) | 2015-08-25 | 2015-08-25 | Infrared sensing in DC power supply garage at night LED lamp of adjusting luminance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204810646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108207055A (en) * | 2017-12-01 | 2018-06-26 | 上海亚明照明有限公司 | LED garage lights and its control method with intelligent control |
-
2015
- 2015-08-25 CN CN201520677524.4U patent/CN204810646U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108207055A (en) * | 2017-12-01 | 2018-06-26 | 上海亚明照明有限公司 | LED garage lights and its control method with intelligent control |
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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 |
Granted publication date: 20151125 Termination date: 20160825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |