CN105101568A - Infrared human body sensing dimming light-emitting diode (LED) lamp of bookcase - Google Patents
Infrared human body sensing dimming light-emitting diode (LED) lamp of bookcase Download PDFInfo
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- CN105101568A CN105101568A CN201510555433.8A CN201510555433A CN105101568A CN 105101568 A CN105101568 A CN 105101568A CN 201510555433 A CN201510555433 A CN 201510555433A CN 105101568 A CN105101568 A CN 105101568A
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Abstract
The invention relates to an electric light source technology, in particular to an infrared human body sensing dimming light-emitting diode (LED) lamp of a bookcase. The infrared human body sensing dimming LED lamp comprises an LED lamp, a power supply rectifier, a voltage stabilization chip, an infrared human body sensor, a light-out delay circuit, a relay, a dimming pulse generator and a pulse width modulation (PWM) dimming driving chip, wherein the output of the infrared human body sensor is connected with the light-out delay circuit, the output of the light-out delay circuit is connected with the relay, the output of the power supply rectifier is connected with one end of a relay contact, the other end of the relay contact is connected with the input end of the voltage stabilization chip, the output of the voltage stabilization chip is connected with a power supply end of the dimming pulse generator, the output of the dimming pulse generator is connected with an enable end of the PWM dimming driving chip, and the output of the PWM dimming driving chip is connected with the LED lamp and placed in the bookcase. The infrared human body sensing dimming LED lamp is applicable for lighting and book finding or storing in the bookcase, the lamp turns on when a person closes to the bookcase and turns off when the person leaves, and time and power are saved.
Description
Technical field
The present invention relates to electric light source technology, specifically a kind of human-body infrared sensing bookcase dimming LED lamp.
Background technology
The book jampacked deposited when bookcase is real, find and treat that Book-keeping book is wasted time and energy, the torch for illumination when insufficient light, and light is crossed excessively weak affecting one's power of vision by force and identified title and label, and brightness there is not dimming function.
Summary of the invention
The object of this invention is to provide bookcase illuminating lamp, the nearly bookcase illuminating lamp of people is lighted automatically, looks for book or books in stock, and people leaves a kind of human-body infrared sensing bookcase dimming LED lamp that bookcase time delay is turned off the light.
Technical solution of the present invention: comprise light-emitting diode (LED) lamp, power rectifier, model AMNI infrared sensor of the human body, model LM7805 voltage stabilizing chip, model NE555 time base chip dimmer pulse generator, model PT4105 pulse PWM light modulation driving chip, model NE555 time base chip light-off delay circuit, relay, wherein, infrared sensor of the human body exports and connects light-off delay circuit, light-off delay circuit exports and connects relay, power rectifier output dc voltage one end, positive pole contact relay contact and infrared sensor of the human body power end V
dD, light-off delay circuit power end V
dD, the input of another termination voltage stabilizing chip of relay contact and pulse PWM light modulation driving chip power end VIN, voltage stabilizing chip output meets dimmer pulse generator power end V
dD, dimmer pulse generator output end OUT meets pulse PWM light modulation driving chip Enable Pin CE, and pulse PWM light modulation driving chip output LX is through inductance L
1shunt capacitance C
7with LED anode, the Schottky diode D of pulse PWM light modulation driving chip output LX also earth
1, LED negative electrode meets electric capacity C
7with current sampling resistor R
3, feedback link pulse PWM light modulation driving chip error amplifies FB end, and the GND of voltage stabilizing chip, dimmer pulse generator, pulse PWM light modulation driving chip holds ground connection, the input termination capacitor C of voltage stabilizing chip
3, C
4, export termination capacitor C
5, C
6bypass filtering, light-emitting diode (LED) lamp is placed in bookcase, and power rectifier input meets AC power AC220V.
Power rectifier connects fuse F one end, another termination capacitor C of fuse by AC power input
12, resistance R
8after step-down, connect one end that full-bridge rectification heap exchanges input, also connect piezo-resistance RV one end simultaneously, the other end that full-bridge rectification heap exchanges input connects with the piezo-resistance RV other end, and full-bridge rectification heap output dc voltage positive pole meets electric capacity C
10anode, full-bridge rectification heap output dc voltage negative pole, electric capacity C
10negativing ending grounding.
Dimmer pulse generator by time base chip IC
2, resistance R
1, R
2, potentiometer RP
1, electric capacity C
1, C
2composition multi-harmonic-oscillations, resistance R
1, potentiometer RP
1, resistance R
2, electric capacity C
1connect successively, resistance R
1base chip IC when connecing
2power end V
dD, potentiometer RP
1, resistance R
2base chip IC when tie point connects
2dIS end, potentiometer RP
1, electric capacity C
1base chip IC when one end tie point connects
2comparator input terminal TH, S, electric capacity C
1other end ground connection, time base chip IC
2vC end connect shunt capacitance C
2, dimmer pulse generator output end OUT meets pulse PWM light modulation high power driving chip IC
3enable Pin CE, time base chip IC
2mR termination power V
dD, time base chip IC
2gND hold ground connection, potentiometer RP
1change multi-harmonic-oscillations pulse frequency and duty ratio, cause LED average current to change light modulation.
Light-off delay circuit by time base chip IC
4, resistance R
7, potentiometer RP
2, electric capacity C
8and the timing of relay J composition monostable trigger, resistance R
7, potentiometer RP
2, electric capacity C
8connect successively, resistance R
7base chip IC when connecing
4power end V
dD, potentiometer RP
2, electric capacity C
8base chip IC when one end tie point connects
4tH, DIS end, electric capacity C
8other end ground connection, infrared sensor of the human body power end V
dDcontact relay contact J
-1one end, infrared sensor of the human body exports OUT through resistance R
4, R
5divide crimping triode VT
1base stage, triode VT
1collector load resistor R
6base chip IC during one termination
4low level input S, resistance R
6another termination power, time base chip IC
4output OUT is through triode VT
2current amplifier contact relay J one end, time base chip IC
4vC termination capacitor C
9bypass, time base chip IC
4mR hold power supply V
dD, the GND end of infrared sensor of the human body, time base chip IC
4gND end, triode VT
1emitter, resistance R
5with relay J other end ground connection, electric capacity C
10, C
11electrical power by-pass filtering, relay contact J
-1the other end is as light-off delay circuit control output end.
The present invention produces useful good effect: people walks close to bookcase illuminating lamp and automatically lights, and treats Book-keeping book or deposit books for searching, and turn off the light after people leaves away, save time power saving.Potentiometer RP
1stepless dimming LED lamp, potentiometer RP
2regulate time of turning off the light, easy to use.
Accompanying drawing explanation
Fig. 1 principle of the invention block diagram
Fig. 2 human-body infrared sensing bookcase dimming LED lamp circuit
Embodiment
With reference to Fig. 1, Fig. 2, the specific embodiment of the invention and embodiment: comprise light-emitting diode (LED) lamp 8, power rectifier 4, model AMNI infrared sensor of the human body 1, model LM7805 voltage stabilizing chip 5, model NE555 time base chip dimmer pulse generator 6, model PT4105 pulse PWM light modulation driving chip 7, model NE555 time base chip light-off delay circuit 2, relay 3, 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 3, power rectifier 4 output dc voltage positive pole contact relay contact J
-1one end and infrared sensor of the human body 1 power end V
dD, light-off delay circuit 2 power end V
dD, relay contact J
-1the input of another termination voltage stabilizing chip 5 and pulse PWM light modulation driving chip 7 power end VIN, voltage stabilizing chip 5 exports termination dimmer pulse generator 6 power end V
dD, dimmer pulse generator 6 output OUT meets pulse PWM light modulation driving chip 7 Enable Pin CE, and pulse PWM light modulation driving chip 7 output LX is through inductance L
1shunt capacitance C
7with LED anode, the Schottky diode D of pulse PWM light modulation driving chip 7 output LX also earth
1, LED negative electrode meets electric capacity C
7with current sampling resistor R
3, feedback link pulse PWM light modulation driving chip 7 error amplifies FB end, and the GND of voltage stabilizing chip 5, dimmer pulse generator 6, pulse PWM light modulation driving chip 7 holds ground connection, the input termination capacitor C of voltage stabilizing chip 5
3, C
4, export termination capacitor C
5, C
6bypass filtering, light-emitting diode (LED) lamp 8 is placed in bookcase, and power rectifier 4 input meets AC power AC220V.
Infrared sensor of the human body built-in infrared window optical filtering, senser, amplifier, comparator, shaping export, and it is small and exquisite easy for installation that TO-5 encapsulates the bodily form, operating distance 1.5 meters, pulse PWM light modulation driving chip IC
3driving power 1W dimming LED lamp.Voltage stabilizing chip IC
1three linear voltage-stabilizing devices.
People walks close to bookcase, infrared sensor of the human body output voltage, triggers light-off delay circuit IC through triode VT
4set, relay J adhesive, contact J
-1connect voltage stabilizing chip power, dimmer pulse generator, pulse PWM light modulation driving chip drive LED to light, light-off delay circuit supply voltage V simultaneously
dDthrough resistance R
7, potentiometer RP
2to electric capacity C
8charging, people leaves away bookcase electric capacity C
8electric discharge, IC
4upset, contact J
-1release, dimmer pulse generator, pulse PWM light modulation driving chip have a power failure, and LED extinguishes, and save time power saving.
Claims (4)
1. a human-body infrared sensing bookcase dimming LED lamp, comprise light-emitting diode (LED) lamp, it is characterized in that: also comprise power rectifier, model AMNI infrared sensor of the human body, model LM7805 voltage stabilizing chip, base chip dimmer pulse generator during model NE555, model PT4105 pulse PWM light modulation driving chip, base chip light-off delay circuit during model NE555, relay, wherein, infrared sensor of the human body exports and connects light-off delay circuit, light-off delay circuit exports and connects relay, power rectifier output dc voltage one end, positive pole contact relay contact and infrared sensor of the human body power end V
dD, light-off delay circuit power end V
dD, the input of another termination voltage stabilizing chip of relay contact and pulse PWM light modulation driving chip power end VIN, voltage stabilizing chip output meets dimmer pulse generator power end V
dD, dimmer pulse generator output end OUT meets pulse PWM light modulation driving chip Enable Pin CE, and pulse PWM light modulation driving chip output LX is through inductance L
1shunt capacitance C
7with LED anode, the Schottky diode D of pulse PWM light modulation driving chip output LX also earth
1, LED negative electrode meets electric capacity C
7with current sampling resistor R
3, feedback link pulse PWM light modulation driving chip error amplifies FB end, and the GND of voltage stabilizing chip, dimmer pulse generator, pulse PWM light modulation driving chip holds ground connection, the input termination capacitor C of voltage stabilizing chip
3, C
4, export termination capacitor C
5, C
6bypass filtering, light-emitting diode (LED) lamp is placed in bookcase, and power rectifier input meets AC power AC220V.
2. human-body infrared sensing bookcase dimming LED lamp according to claim 1, is characterized in that: power rectifier connects fuse F one end, another termination capacitor C of fuse by AC power input
12, resistance R
8after step-down, connect one end that full-bridge rectification heap exchanges input, also connect piezo-resistance RV one end simultaneously, the other end that full-bridge rectification heap exchanges input connects with the piezo-resistance RV other end, and full-bridge rectification heap output dc voltage positive pole meets electric capacity C
10anode, full-bridge rectification heap output dc voltage negative pole, electric capacity C
10negativing ending grounding.
3. human-body infrared sensing bookcase dimming LED lamp according to claim 1, is characterized in that: dimmer pulse generator by time base chip IC
2, resistance R
1, R
2, potentiometer RP
1, electric capacity C
1, C
2composition multi-harmonic-oscillations, resistance R
1, potentiometer RP
1, resistance R
2, electric capacity C
1connect successively, resistance R
1base chip IC when connecing
2power end V
dD, potentiometer RP
1, resistance R
2base chip IC when tie point connects
2dIS end, potentiometer RP
1, electric capacity C
1base chip IC when one end tie point connects
2comparator input terminal TH, S, electric capacity C
1other end ground connection, time base chip IC
2vC end connect shunt capacitance C
2, dimmer pulse generator output end OUT meets pulse PWM light modulation high power driving chip IC
3enable Pin CE, time base chip IC
2mR termination power V
dD, time base chip IC
2gND hold ground connection, potentiometer RP
1change multi-harmonic-oscillations pulse frequency and duty ratio, cause LED average current to change light modulation.
4. human-body infrared sensing bookcase dimming LED lamp according to claim 1, is characterized in that: light-off delay circuit by time base chip IC
4, resistance R
7, potentiometer RP
2, electric capacity C
8and the timing of relay J composition monostable trigger, resistance R
7, potentiometer RP
2, electric capacity C
8connect successively, resistance R
7base chip IC when connecing
4power end V
dD, potentiometer RP
2, electric capacity C
8base chip IC when one end tie point connects
4tH, DIS end, electric capacity C
8other end ground connection, infrared sensor of the human body power end V
dDcontact relay contact J
-1one end, infrared sensor of the human body exports OUT through resistance R
4, R
5divide crimping triode VT
1base stage, triode VT
1collector load resistor R
6base chip IC during one termination
4low level input S, resistance R
6another termination power, time base chip IC
4output OUT is through triode VT
2current amplifier contact relay J one end, time base chip IC
4vC termination capacitor C
9bypass, time base chip IC
4mR hold power supply V
dD, the GND end of infrared sensor of the human body, time base chip IC
4gND end, triode VT
1emitter, resistance R
5with relay J other end ground connection, electric capacity C
10, C
11electrical power by-pass filtering, relay contact J
-1the other end is as light-off delay circuit control output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510555433.8A CN105101568A (en) | 2015-08-25 | 2015-08-25 | Infrared human body sensing dimming light-emitting diode (LED) lamp of bookcase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510555433.8A CN105101568A (en) | 2015-08-25 | 2015-08-25 | Infrared human body sensing dimming light-emitting diode (LED) lamp of bookcase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105101568A true CN105101568A (en) | 2015-11-25 |
Family
ID=54580784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510555433.8A Pending CN105101568A (en) | 2015-08-25 | 2015-08-25 | Infrared human body sensing dimming light-emitting diode (LED) lamp of bookcase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105101568A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2201764Y (en) * | 1994-05-27 | 1995-06-21 | 侯振勇 | Microcomputer for controlling colour lamps changing |
| CN201127137Y (en) * | 2007-12-17 | 2008-10-01 | 宁波市鄞州威迪电子有限公司 | High-power LED drive circuit |
| CN102595733A (en) * | 2012-02-29 | 2012-07-18 | 上海制高景观科技发展有限公司 | Birdcage landscape technology lamp |
| CN203151844U (en) * | 2013-04-11 | 2013-08-21 | 姜秀坤 | Human body approach- and light-operated toilet lighting equipment |
-
2015
- 2015-08-25 CN CN201510555433.8A patent/CN105101568A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2201764Y (en) * | 1994-05-27 | 1995-06-21 | 侯振勇 | Microcomputer for controlling colour lamps changing |
| CN201127137Y (en) * | 2007-12-17 | 2008-10-01 | 宁波市鄞州威迪电子有限公司 | High-power LED drive circuit |
| CN102595733A (en) * | 2012-02-29 | 2012-07-18 | 上海制高景观科技发展有限公司 | Birdcage landscape technology lamp |
| CN203151844U (en) * | 2013-04-11 | 2013-08-21 | 姜秀坤 | Human body approach- and light-operated toilet lighting equipment |
Non-Patent Citations (1)
| Title |
|---|
| 张智军等: "《基于VIPer22A芯片的220V恒流可调光LED台灯设计与实现》", 《安徽电子信息职业技术学院学报》 * |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151125 |
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| RJ01 | Rejection of invention patent application after publication |