CN107660022A - A kind of intelligent LED lamp - Google Patents
A kind of intelligent LED lamp Download PDFInfo
- Publication number
- CN107660022A CN107660022A CN201710871791.9A CN201710871791A CN107660022A CN 107660022 A CN107660022 A CN 107660022A CN 201710871791 A CN201710871791 A CN 201710871791A CN 107660022 A CN107660022 A CN 107660022A
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- human body
- signal
- led lamp
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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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- 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
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of intelligent LED lamp,Including signal acquisition filter circuit,High impedance amplifying circuit and LED lamp drive circuit,Pyroelectric human body infrared sensor U1 gathers the infrared signal that human body radiation goes out when human body is by its investigative range,By being obtained after LC frequency-selective filterings and RC high-pass filterings and human body infrared signal frequency identical purified signal,Reduce interference of the outside noise signal to intelligent LED lamp system,The stability and anti-interference of raising system,Signal acquisition filter circuit weak output signals,And impedance is higher,Transport and placing device A1,Resistance R3,Electric capacity C3,C4 composition second order feedback amplifying circuits effectively amplify the infrared signal of human body radiation,The break-make of the LED lamp drive circuit is controlled as control signal after voltage stabilizing,Improve the accuracy of intelligent LED lamp system,Greatly expand system control range,With very great development value and practical value.
Description
Technical field
The present invention relates to LED lighting field, more particularly to a kind of intelligent LED lamp.
Background technology
LED is increasingly favored with the advantages that its highly effective and safe, energy-conserving and environment-protective, long lifespan by people, and intelligent
Develop rapidly and make LED that also there is intelligent control characteristic, existing intelligent LED lamp species is various, and LED human body inductive lamps are profits
The Thermal Infra-Red radiation caused by people controls the unlatching of LED, but Studies of Human Body Heat infrared radiation weak output signal, by outer
An important factor for boundary's environmental disturbances have a great influence, and this is also limitation intelligent LED lamp system control range and anti-interference.
The content of the invention
For the above situation, to overcome the defect of prior art, the purpose of the present invention is to provide a kind of intelligent LED lamp,
Be skillfully constructed, the characteristic of human oriented design, can effectively increase intelligent LED lamp system control range, raising system resists
Interference.
To achieve these goals, the present invention provides a kind of intelligent LED lamp, including signal acquisition filter circuit, high impedance
Amplifying circuit and LED lamp drive circuit, the signal acquisition filter circuit gather human body by pyroelectric human body infrared sensor
The infrared signal given off when mobile, and electric signal output is converted into, by being obtained after LC frequency-selective filterings and RC high-pass filterings
With human body infrared signal frequency identical purified signal, then voltage stabilizing, and conduct be amplified by the high impedance amplifying circuit
Control signal controls the break-make of the LED lamp drive circuit, and the LED lamp drive circuit passes through pyroelectric human body infrared in someone
Lightening LED lamp when in sensor detection areas, and turned off in people after maintaining several seconds illumination later.
Preferably, the signal acquisition filter circuit includes model PH5324 pyroelectric human body infrared sensor U1, heat
Release electric infrared sensor of the human body U1 and the infrared signal that human body radiation goes out is gathered when human body is by its investigative range, by inductance
It is defeated through resistance R1 after the RC high pass filter, processes that LC frequency-selecting filters, electric capacity C2 and the resistance R2 of L and electric capacity C1 compositions are formed
Go out the input to the high impedance amplifying circuit, pyroelectric human body infrared sensor U1 is powered by+5V power supplys, pyroelectric human body
Infrared sensor U1 earth terminals are grounded.
Preferably, the high impedance amplifying circuit includes transport and placing device A1, and transport and placing device A1 in-phase input ends input signal is by institute
There is provided after stating the low pass filter processing that signal acquisition filter circuit output signal forms through resistance R3 and electric capacity C4, transport and placing device A1
An output feedback signal part feeds back to the signal acquisition filter circuit output end through electric capacity C3, and another part feeds back to amplifier
Device A1 reverse input end, transport and placing device A1 output signals are output to described after resistance R4 partial pressures, voltage-regulator diode D1 voltage stabilizings
The input of LED lamp drive circuit.
Preferably, the LED lamp drive circuit includes triode VT1, triode VT1 base stages and high impedance amplification electricity
Road output end connection, triode VT1 colelctor electrode are connected with the anode of relay J ports 3 and diode VD1, and+5V power supplys pass through
Resistance R5 is connected with the negative electrode of relay J ports 4 and diode VD1, and relay J ports 2 are connected by resistance R6 and+12V power supplys
Connect, relay J ports 1 are connected with metal-oxide-semiconductor Q1 drain electrodes, resistance R7 one end, resistance R8 one end and electric capacity C5 one end, MOS
Pipe Q1 grids are connected with the resistance R8 other end, the resistance R7 other end and electric capacity C5 other end ground connection, metal-oxide-semiconductor Q1 source electrode
It is connected with the positive pole of LED, the negative pole ground connection of LED.
Compared with prior art, beneficial effects of the present invention are as follows：
1. pyroelectric human body infrared sensor U1 gathers the infrared ray letter that human body radiation goes out when human body is by its investigative range
Number, the RC high pass filter, processes that LC frequency-selecting filters, electric capacity C2 and the resistance R2 being made up of inductance L and electric capacity C1 are formed, subtract
Few interference of the outside noise signal to intelligent LED lamp system, improves the stability and anti-interference of system, amplifies electricity through high impedance
After the amplification voltage stabilizing of road, the break-make of the LED lamp drive circuit is controlled as control signal, there is very great development value and practical valency
Value.
2. transport and placing device A1 in-phase input ends input signal by the signal acquisition filter circuit output signal through resistance R3 and
There is provided after the low pass filter processing of electric capacity C4 compositions, a transport and placing device A1 output feedback signals part feeds back to described through electric capacity C3
Signal acquisition filter circuit output end, another part feed back to transport and placing device A1 reverse input end, and signal acquisition filter circuit is defeated
Go out weak output signal, impedance is higher, and this second order feedback amplifying circuit effectively amplifies the infrared signal of human body radiation, improves intelligence
The accuracy of energy LED lamp system, greatly expands system control range.
Brief description of the drawings
Fig. 1 is a kind of circuit module figure of intelligent LED lamp of the present invention.
Fig. 2 is a kind of circuit theory diagrams of intelligent LED lamp of the present invention.
Embodiment
For the present invention foregoing and other technology contents, feature and effect, in following cooperation refer to the attached drawing 1 and accompanying drawing 2
To in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following examples, it is with specification
Accompanying drawing is reference.
Embodiment one, a kind of intelligent LED lamp, including signal acquisition filter circuit, high impedance amplifying circuit and LED driving
Circuit, the infrared ray that the signal acquisition filter circuit gives off when gathering human motion by pyroelectric human body infrared sensor
Signal, and electric signal output is converted into, by being obtained and human body infrared signal frequency after LC frequency-selective filterings and RC high-pass filterings
Identical purified signal, then voltage stabilizing is amplified by the high impedance amplifying circuit, and control the LED as control signal
The break-make of drive circuit, the LED lamp drive circuit is in someone by time point in pyroelectric human body infrared sensor detection areas
Bright LED, and turned off in people after maintaining several seconds illumination later；
The signal acquisition filter circuit includes model PH5324 pyroelectric human body infrared sensor U1, pyroelectric human body infrared
Sensor U1 gathers the infrared signal that human body radiation goes out when human body is by its investigative range, due to pyroelectric human body infrared
Sensor U1 output signals contain excessive clutter, LC frequency-selecting filters, electric capacity C2 and the electricity formed using inductance L and electric capacity C1
Resistance R2 composition RC high-pass filters handled, obtain with human body radiation infrared frequency identical signal, reduce the external world make an uproar
Interference of the acoustical signal to intelligent LED lamp system, improves the stability and anti-interference of system, and filtered signal is defeated through resistance R1
Go out the input to the high impedance amplifying circuit, pyroelectric human body infrared sensor U1 is powered by+5V power supplys, pyroelectric human body
Infrared sensor U1 earth terminals are grounded.
Embodiment two, on the basis of embodiment one, due to the signal acquisition filter circuit weak output signals, and hinder
It is anti-higher, it is not enough to drive the LED lamp drive circuit directly as control signal, by the input of the high impedance amplifying circuit
End is connected with the output end of the signal acquisition filter circuit, and transport and placing device A1 in-phase input ends input signal is by the signal acquisition
There is provided after the low pass filter processing that filter circuit output signal forms through resistance R3 and electric capacity C4, transport and placing device A1 output feedback letters
A number part feeds back to the signal acquisition filter circuit output end through electric capacity C3, and another part feeds back to the reverse of transport and placing device A1
Input, this second order feedback amplifying circuit effectively amplify the infrared signal of human body radiation, improve intelligent LED lamp system
Accuracy, system control range is greatly expanded, the signal after amplification has certain fluctuation, transport and placing device A1 output signals warp
After resistance R4 partial pressures, voltage-regulator diode D1 voltage stabilizings, the input of the LED lamp drive circuit is output to.
Embodiment three, on the basis of embodiment two, the LED lamp drive circuit includes triode VT1, triode VT1
Base stage is connected with the high impedance amplification circuit output end, and when in someone's intelligent LED lamp investigative range, collection filter circuit is defeated
Go out signal after high impedance amplifying circuit amplifies voltage stabilizing, turn on triode VT1, relay J coils obtain electric, and normally opened contact closes
Close, i.e., port 1,2 connects, and electric capacity C5 charges rapidly, metal-oxide-semiconductor Q1 conductings, LED obtain it is electric light, when human body leaves intelligent LED lamp
Investigative range, electric capacity C5 electric discharges turn off after continuing to the illumination of LED several seconds, triode VT1 colelctor electrode and relay J ports
3 are connected with diode VD1 anode, and+5V power supplys are connected by resistance R5 with the negative electrode of relay J ports 4 and diode VD1,
Relay J ports 2 are connected by resistance R6 with+12V power supplys, relay J ports 1 and metal-oxide-semiconductor Q1 drain electrode, resistance R7 one end,
Resistance R8 one end is connected with electric capacity C5 one end, and metal-oxide-semiconductor Q1 grids are connected with the resistance R8 other end, the resistance R7 other end
It is grounded with the electric capacity C5 other end, metal-oxide-semiconductor Q1 source electrode and the positive pole of LED connect, the negative pole ground connection of LED.
When the present invention is specifically used, when in someone's intelligent LED lamp investigative range, pyroelectric human body infrared sensor U1 exists
The infrared signal that human body radiation goes out, the LC frequency-selectings being made up of inductance L and electric capacity C1 are gathered when human body is by its investigative range
The RC high pass filter, processes of wave filter, electric capacity C2 and resistance R2 compositions, outside noise signal is reduced to intelligent LED lamp system
Interference, the stability and anti-interference of system, signal acquisition filter circuit weak output signals are improved, and impedance is higher, amplifier
Device A1, resistance R3, electric capacity C3, C4 composition second order feedback amplifying circuit effectively amplify the infrared signal of human body radiation, carry
The accuracy of high intelligent LED lamp system, greatly expands system control range, and transport and placing device A1 output signals are divided through resistance R4
After pressure, voltage-regulator diode D1 voltage stabilizings, turn on triode VT1, relay J coils obtain electric, normally opened contact closure, i.e. port 1,2
Connection, electric capacity C5 charges rapidly, metal-oxide-semiconductor Q1 conductings, LED obtain it is electric light, when human body leaves intelligent LED lamp investigative range, electricity
Hold after C5 electric discharges continue to the illumination of LED several seconds and turn off.
Described above is to combine embodiment further description made for the present invention, it is impossible to assert the present invention
Specific implementation is limited only to this；For belonging to the present invention and for those skilled in the technology concerned, based on skill of the present invention
Under the premise of art scheme thinking, the expansion made and operating method, the replacement of data, should all fall the scope of the present invention it
It is interior.
Claims (4)
1. a kind of intelligent LED lamp, including signal acquisition filter circuit, high impedance amplifying circuit and LED lamp drive circuit, its feature
It is,
The infrared ray that the signal acquisition filter circuit gives off when gathering human motion by pyroelectric human body infrared sensor
Signal, and electric signal output is converted into, by being obtained and human body infrared signal frequency after LC frequency-selective filterings and RC high-pass filterings
Identical purified signal, then voltage stabilizing is amplified by the high impedance amplifying circuit, and control the LED as control signal
The break-make of drive circuit.
A kind of 2. intelligent LED lamp according to claim 1, it is characterised in that
The signal acquisition filter circuit includes model PH5324 pyroelectric human body infrared sensor U1, pyroelectric human body infrared
Sensor U1 gathers the infrared signal that human body radiation goes out when human body is by its investigative range, by inductance L and electric capacity C1 groups
Into LC frequency-selecting filters, electric capacity C2 and resistance R2 composition RC high pass filter, processes after, be output to the height through resistance R1
The input of impedance amplifying circuit, pyroelectric human body infrared sensor U1 are powered by+5V power supplys, pyroelectric human body infrared sensor
U1 earth terminals are grounded.
A kind of 3. intelligent LED lamp according to claim 1, it is characterised in that
The high impedance amplifying circuit includes transport and placing device A1, and transport and placing device A1 in-phase input ends input signal is filtered by the signal acquisition
There is provided after the low pass filter processing that wave circuit output signal forms through resistance R3 and electric capacity C4, transport and placing device A1 output feedback signals
A part feeds back to the signal acquisition filter circuit output end through electric capacity C3, and another part feeds back to the reverse defeated of transport and placing device A1
Enter end, transport and placing device A1 output signals are output to the LED lamp drive circuit after resistance R4 partial pressures, voltage-regulator diode D1 voltage stabilizings
Input.
A kind of 4. intelligent LED lamp according to claim 1, it is characterised in that
The LED lamp drive circuit includes triode VT1, and triode VT1 base stages connect with the high impedance amplification circuit output end
Connect, triode VT1 colelctor electrode is connected with the anode of relay J ports 3 and diode VD1 ,+5V power supplys by resistance R5 with after
Electrical equipment J ports 4 are connected with diode VD1 negative electrode, and relay J ports 2 are connected by resistance R6 with+12V power supplys, relay J
Port 1 is connected with metal-oxide-semiconductor Q1 drain electrodes, resistance R7 one end, resistance R8 one end and electric capacity C5 one end, metal-oxide-semiconductor Q1 grids with
Resistance R8 other end connection, the resistance R7 other end and electric capacity C5 other end ground connection, metal-oxide-semiconductor Q1 source electrode and LED
Positive pole connects, the negative pole ground connection of LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710871791.9A CN107660022A (en) | 2017-09-25 | 2017-09-25 | A kind of intelligent LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710871791.9A CN107660022A (en) | 2017-09-25 | 2017-09-25 | A kind of intelligent LED lamp |
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| Publication Number | Publication Date |
|---|---|
| CN107660022A true CN107660022A (en) | 2018-02-02 |
Family
ID=61131259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710871791.9A Pending CN107660022A (en) | 2017-09-25 | 2017-09-25 | A kind of intelligent LED lamp |
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| Country | Link |
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| CN (1) | CN107660022A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112367743A (en) * | 2020-11-26 | 2021-02-12 | 福建省海佳光电科技有限公司 | High-efficient intelligent response lamps and lanterns |
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| CN105430806A (en) * | 2015-12-18 | 2016-03-23 | 成都飞凯瑞科技有限公司 | Multifunctional intelligent control system for LED lamp |
| CN105472812A (en) * | 2015-12-18 | 2016-04-06 | 成都飞凯瑞科技有限公司 | Hybrid multifunctional intelligent optical-control system for LED lamp |
| CN105848337A (en) * | 2016-04-01 | 2016-08-10 | 成都昂迪加科技有限公司 | LED lamp light-operated energy saving system based on trilinear drive circuit |
| CN106132037A (en) * | 2016-08-31 | 2016-11-16 | 成都东创精英科技有限公司 | A kind of phase difference correction type energy-saving control system of LED double control-type level adjustment |
| CN106132036A (en) * | 2016-08-31 | 2016-11-16 | 成都东创精英科技有限公司 | A kind of LED double control-type many processing of circuit type energy-saving control system |
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2017
- 2017-09-25 CN CN201710871791.9A patent/CN107660022A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105430806A (en) * | 2015-12-18 | 2016-03-23 | 成都飞凯瑞科技有限公司 | Multifunctional intelligent control system for LED lamp |
| CN105472812A (en) * | 2015-12-18 | 2016-04-06 | 成都飞凯瑞科技有限公司 | Hybrid multifunctional intelligent optical-control system for LED lamp |
| CN105848337A (en) * | 2016-04-01 | 2016-08-10 | 成都昂迪加科技有限公司 | LED lamp light-operated energy saving system based on trilinear drive circuit |
| CN106132037A (en) * | 2016-08-31 | 2016-11-16 | 成都东创精英科技有限公司 | A kind of phase difference correction type energy-saving control system of LED double control-type level adjustment |
| CN106132036A (en) * | 2016-08-31 | 2016-11-16 | 成都东创精英科技有限公司 | A kind of LED double control-type many processing of circuit type energy-saving control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112367743A (en) * | 2020-11-26 | 2021-02-12 | 福建省海佳光电科技有限公司 | High-efficient intelligent response lamps and lanterns |
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Application publication date: 20180202 |