CN105848391A - Bathroom illuminating lamp with functions of sensing human body and realizing gradually-changed luminance - Google Patents
Bathroom illuminating lamp with functions of sensing human body and realizing gradually-changed luminance Download PDFInfo
- Publication number
- CN105848391A CN105848391A CN201610415439.XA CN201610415439A CN105848391A CN 105848391 A CN105848391 A CN 105848391A CN 201610415439 A CN201610415439 A CN 201610415439A CN 105848391 A CN105848391 A CN 105848391A
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- resistance
- illuminating lamp
- circuit
- power supply
- electrochemical capacitor
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Classifications
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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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- 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 invention provides a bathroom illuminating lamp with functions of sensing a human body and realizing gradually-changed luminance. The bathroom illuminating lamp is characterized by comprising a 220V alternating current power supply, a 9V half-wave rectifying voltage-stabilizing power supply, an infrared detection and infrared signal amplifying circuit, a voltage comparison circuit, a level signal comparison circuit and an illuminating lamp driving circuit, wherein the model of the infrared inductive probe IC1 in the infrared detection and infrared signal amplifying circuit is LN074B. If an illuminating lamp turns on with full luminance at deep night, or the illuminating lamp suddenly powers off, the eyes of a user feels uncomfortable at the moment; therefor, an illuminating lamp which can be turned on with gradually-increased luminance when a human body is approaching and can be turned off with gradually-decreased luminance when the human body is left is required to be designed; by using such illuminating lamp with the operating mode, the eyes of the user do not suffer from highlight stimulation, and the physiological requirements of the eyes can be satisfied; and meanwhile, the user can leave out of or go into the toilet conveniently at night by virtue of the gradually-decreased luminance of the illuminating lamp.
Description
Technical field
The invention belongs to Electric automatic control field, relate to that a kind of human body sensing brightness is the brightest to be faded off toilet and shine
Bright lamp.
Background technology
The illuminating lamp of some occasion need can when people comes illuminating lamp automatically light, people's lamp automatic distinguishing when going
Control device, the most both facilitated illuminating lamp to use, the most effectively stop normal bright lamp waste electric power.
Common illuminating lamp or delay illuminating lamp typical mode of operation be: otherwise illuminating lamp opens all light, or
Illumination lamp ignition works automatic distinguishing after a period of time, and illumination lamp ignition is to the brightness between extinguishing the most excessively
State.Between black night, all light opened by illuminating lamp or power-off suddenly is extinguished, and moment eyes are far from suitable, no
Only inconvenient people go to toilet night, and have a certain impact the eyes of people.A kind of human body can be designed
Close to time illuminating lamp can light at leisure, human body when away from illuminating lamp for extinguish at leisure.If this can be realized
The mode of operation of sample, then the eyes of people at night will not be subject high light stimulates, and the physiology meeting people's eyes is wanted
Ask, in illuminating lamp the most dimmed period, be also convenient for people and leave night or go to toilet.
The present invention uses infrared induction probe LN074B to detect human infrared signal, and circuit only uses the most general
Logical components and parts, it is achieved that the brightest control function fading off illumination lamp of bathroom of human body sensing brightness.
The brightest illumination lamp of bathroom that fades off of human body sensing brightness of the present invention described further below was being implemented
Involved necessity, guardian technique content in journey.
Summary of the invention
Goal of the invention and beneficial effect: the illuminating lamp of some occasion need can when people comes illuminating lamp automatically light,
The control device of lamp automatic distinguishing when people goes, had the most both facilitated illuminating lamp to use, had the most effectively stopped normal bright lamp
Waste electric power.Between black night, all light opened by illuminating lamp or power-off suddenly is extinguished, and moment eyes are far from suitable,
Not only inconvenient people go to toilet night, and have a certain impact the eyes of people.A kind of people can be designed
Body close to time illuminating lamp can light at leisure, human body when away from illuminating lamp for extinguish at leisure.If can realize
Such mode of operation, then the eyes of people at night will not be subject high light stimulates, and meets the physiology of people's eyes
Requirement, in illuminating lamp the most dimmed period, is also convenient for people and leaves night or go to toilet.The present invention uses infrared
Inductive probe LN074B detects human infrared signal, and circuit only uses a small amount of common components and parts, it is achieved that people
The brightest control function fading off illumination lamp of bathroom of body inductive light intensity.
Circuit operation principle: the brightest circuit fading off illumination lamp of bathroom of human body sensing brightness uses infrared induction
Probe LN074B, after infrared induction probe IC1 receives the infrared signal of human body sensing, by infrared induction
Control head IC1 internal conversion becomes a frequency to be about 0.3～3Hz faint low frequency signal, and low frequency signal is through NPN
The voltage comparator of input operational amplifier IC2 composition after transistor npn npn VT1 amplification.
At ordinary times, the 3rd foot that the 2nd foot voltage of operational amplifier IC2 is slightly above operational amplifier IC2 is defeated
Enter voltage, the 6th foot output low level of operational amplifier IC2；It is in infrared induction probe IC1 when there being human body
Investigative range time, the infrared induction control head IC1 certain voltage of output, this voltage is through NPN transistor VT1
Amplify and operational amplifier IC2 composition voltage comparator makes signal output voltage be higher than reference voltage, this luck
Calculate the 6th foot output high level of amplifier IC2, make the conducting of N-channel field effect transistor VT2, by triggering
Resistance R5 makes bidirectional triode thyristor BCR be triggered so that illuminating lamp HL obtains electric being lit.
Owing to the control pole of bidirectional triode thyristor BCR is connected to electrochemical capacitor C4, because the charging of electrochemical capacitor C4 needs
One time course, making triggering level is a level gradually risen, then make bidirectional triode thyristor BCR maintain
Gradual change turns on, then illuminating lamp HL is gradually lighted, and this process about maintains 3～4 seconds.
When human body is away from illumination lamp of bathroom, because the control pole of bidirectional triode thyristor BCR is connected to electrochemical capacitor C4,
Even if the 6th foot output low level of operational amplifier IC2, bidirectional triode thyristor BCR control pole connect electricity
Solve electric capacity C4 electric discharge to need through after a while, cause N-channel field effect transistor VT2 by turning on gradually to partly leading
Logical state is excessive, so that the conducting of bidirectional triode thyristor BCR changes, makes illuminating lamp HL by full voltage shape
State becomes blood pressure lowering power supply state, until illuminating lamp HL is fully powered-off.
In order to make infrared signal amplifying circuit working stability, increase in NPN transistor VT1 amplifying circuit
Resistance R1 and electric capacity C2 forms negative-feedback circuit.
Technical scheme: human body sensing brightness is the brightest fades off illumination lamp of bathroom, it include 220V alternating current power supply,
9V halfwave rectifier regulated power supply, infrared acquisition and infrared signal amplifying circuit, voltage comparator circuit, level letter
Number amplifying circuit, illuminating lamp driving circuit, it is characterised in that:
Infrared acquisition and infrared signal amplifying circuit: it is popped one's head in IC1, electrochemical capacitor C1, NPN by infrared induction
Transistor npn npn VT1, resistance R2 form, and the model that infrared induction probe IC1 selects is LN074B, infrared sense
Should be popped one's head in the red line connection circuit positive pole VCC of IC1, the black line connection circuit ground GND of infrared induction probe IC1,
The outfan S of infrared induction probe IC1 connects the positive pole of electrochemical capacitor C1, and the negative pole of electrochemical capacitor C1 meets NPN
The base stage of transistor npn npn VT1, the colelctor electrode of NPN transistor VT1 passes through resistance R2 connection circuit positive pole VCC,
The emitter stage connection circuit ground GND of NPN transistor VT1；
Voltage comparator circuit: it is made up of operational amplifier IC2 and potentiometer RP, operational amplifier IC2 selects
Model be CA3140, the 3rd foot of operational amplifier IC2 connects the colelctor electrode of NPN transistor VT1,
2nd foot of operational amplifier IC2 connects the lever arm of potentiometer RP, one end of potentiometer RP and operation amplifier
The 7th foot connection circuit positive pole VCC of device IC2, the other end of potentiometer RP and the 4th of operational amplifier IC2 the
Foot connection circuit ground GND；
In negative-feedback circuit: one end of resistance R1 and the one of electric capacity C2 terminates NPN transistor VT1's
Base stage, the other end of resistance R1 and the colelctor electrode of another termination NPN transistor VT1 of electric capacity C2；
Level signal amplifying circuit: it is made up of resistance R3, N-channel field effect transistor VT2 and resistance R4, fortune
Calculate one end and the grid of N-channel field effect transistor VT2, the N-channel of the 6th foot connecting resistance R3 of amplifier IC2
The drain electrode connection circuit positive pole VCC of field effect transistor VT2, the source electrode of N-channel field effect transistor VT2 passes through resistance R4
Connection circuit ground GND；
Illuminating lamp driving circuit: it is by triggering resistance R5, electrochemical capacitor C4, bidirectional triode thyristor BCR, illumination
Lamp HL forms, one end of the source contact generating resistance R5 of N-channel field effect transistor VT2, triggers resistance R5's
The positive pole of another termination electrochemical capacitor C4 and the control pole G of bidirectional triode thyristor BCR, the negative pole of electrochemical capacitor C4
The first anode T1 of connection circuit ground GND, bidirectional triode thyristor BCR connects 220V alternating current by and off switch SW
The second plate T2 of the live wire end L, bidirectional triode thyristor BCR in source is by illuminating lamp HL connection circuit ground GND；
9V halfwave rectifier regulated power supply: it by decompression capacitor C5, bleeder resistance R6 and silicon rectifier diode D1,
Silicon voltage regulator diode DW and electrochemical capacitor C3 composition, the voltage stabilizing value of silicon voltage regulator diode DW is 9V, blood pressure lowering electricity
One end of one end and bleeder resistance R6 of holding C5 meets the live wire end L of 220V alternating current power supply by and off switch SW,
The other end of decompression capacitor C5 and the positive pole of another termination silicon rectifier diode D1 of bleeder resistance R6, silicon is whole
The negative pole of stream diode D1 connects negative pole and the positive pole of electrochemical capacitor C3 of silicon voltage regulator diode DW, silicon voltage stabilizing two
The positive pole of pole pipe DW and the negative pole connection circuit ground GND of electrochemical capacitor C3；
The positive pole of 9V halfwave rectifier regulated power supply is connected with circuit anode VCC, 9V halfwave rectifier regulated power supply
Negative pole is connected with the zero line side N of circuit ground GND and 220V alternating current power supply.
Accompanying drawing explanation
Accompanying drawing 1 is that the present invention provides the brightest embodiment electricity fading off illumination lamp of bathroom of human body sensing brightness
Road fundamental diagram.
Detailed description of the invention
According to the human body sensing brightness shown in accompanying drawing 1 the brightest fade off illumination lamp of bathroom circuit fundamental diagram and
Accompanying drawing illustrates, and according to annexation, Yi Jishi between components and parts in each several part circuit described in summary of the invention
Execute the components and parts technical parameter described in mode and require that carrying out enforcement with circuit production main points can realize this
Bright, below in conjunction with embodiment, the correlation technique of the present invention is further described.
The title of components and parts and important technological parameters thereof
IC1 is infrared induction probe, and the model of selection is LN074B, red line connection circuit positive pole VCC, black
Line connects power cathode, it may be assumed that connection circuit ground GND；
IC2 is operational amplifier, and the model of selection is CA3140, and it is 8 foot dual inline type DIP encapsulation,
It is with the operational amplifier that a piece of MOSFET is input, and having high input impedance is 1.5T Ω and extremely low
Input current (10PA)；
VT1 is NPN transistor, and the model of selection is 2SC9013, amplification β >=180；
VT2 is N-channel field effect transistor, and the model of selection is IRFZ22；
BCR is bidirectional triode thyristor, and the technical parameter of employing is 5A, 500V bidirectional triode thyristor；
D1 is silicon rectifier diode, and the model of selection is 1N4007；
DW is silicon voltage regulator diode, and the voltage stabilizing value of use is 9V, power is 1W；
RP is potentiometer, selects solid potentiometer, and the resistance of use is 36K Ω；
Resistance all uses metalfilmresistor, and power is 1/8W；The resistance of resistance R1 is 2.2M Ω；Electricity
The resistance of resistance R2 is 10K Ω；The resistance of resistance R3 is 180K Ω；The resistance of resistance R4 is 3.3K Ω；Touch
The resistance of generating resistance R5 is 91K Ω；The resistance of bleeder resistance R6 is 680K Ω, power 1W；
C1 is electrochemical capacitor, and capacity is 47 μ F/25V；C2 is electric capacity of the dacron, and its capacity is 0.039 μ F；
C3 is electrochemical capacitor, model C D11-10 of use, and its capacity is 1000 μ/25V；C4 is electrochemical capacitor,
Model C D11-10 used, capacity is 470 μ/25V；C5 is decompression capacitor, and capacity is 0.68 μ F/450V
Electric capacity of the dacron；
HL is illuminating lamp, the electric filament lamp using power to be 15～60W/220V.
Circuit production main points and circuit debugging
The circuit structure fading off illumination lamp of bathroom because human body sensing brightness is the brightest is fairly simple, generally
As long as the electronic devices and components performance selected is intact, and the components and parts annexation in accompanying drawing 1 is entered to specifications
Row welding, physical connection line and welding quality are after going through correctly, and the circuit of the present invention only needs
Debug simply and can normally work；
Circuit debugging is mainly regulator potentiometer RP, selects suitable reference voltage, to reach higher sensing
Sensitivity；
Potentiometer RP in operational amplifier IC2 peripheral circuit is used for presetting the sensitive of infrared induction probe IC1
Degree, it is for adjusting the distance of infrared induction probe IC1 detection human body sensing；
Infrared induction probe IC1 is arranged in 86 type panel bottom cases, and the plane of infrared induction probe lens is the most right
Quasi-physical activity region, allows it form a more satisfactory infrared induction scope.
The circuit structure design of the present invention, components' placement, and its face shaping and size etc. thereof
It is not the key technology of the present invention, is not claimed guardian technique content, because of not shadow
Ring specific implementation process of the present invention and the realization of goal of the invention, therefore illustrate the most one by one.
Claims (1)
1. human body sensing brightness is the brightest fades off an illumination lamp of bathroom, and it includes 220V alternating current power supply, 9V
Halfwave rectifier regulated power supply, infrared acquisition and infrared signal amplifying circuit, voltage comparator circuit, level signal
Amplifying circuit, illuminating lamp driving circuit, it is characterised in that:
Described infrared acquisition and infrared signal amplifying circuit by infrared induction pop one's head in IC1, electrochemical capacitor C1,
NPN transistor VT1, resistance R2 form, and the model that infrared induction probe IC1 selects is LN074B, red
The red line connection circuit positive pole VCC of outer inductive probe IC1, the black line connection circuit ground of infrared induction probe IC1
The outfan S of GND, infrared induction probe IC1 connects the positive pole of electrochemical capacitor C1, the negative pole of electrochemical capacitor C1
Connecing the base stage of NPN transistor VT1, the colelctor electrode of NPN transistor VT1 is by resistance R2 connection circuit just
The emitter stage connection circuit ground GND of pole VCC, NPN transistor VT1；
Described voltage comparator circuit is made up of operational amplifier IC2 and potentiometer RP, operational amplifier IC2
The model selected is CA3140, and the 3rd foot of operational amplifier IC2 connects the colelctor electrode of NPN transistor VT1,
2nd foot of operational amplifier IC2 connects the lever arm of potentiometer RP, one end of potentiometer RP and operation amplifier
The 7th foot connection circuit positive pole VCC of device IC2, the other end of potentiometer RP and the 4th of operational amplifier IC2 the
Foot connection circuit ground GND；
In described negative-feedback circuit, one end of resistance R1 and a termination NPN transistor VT1 of electric capacity C2
Base stage, the colelctor electrode of another termination NPN transistor VT1 of the other end of resistance R1 and electric capacity C2；
Described level signal amplifying circuit is made up of resistance R3, N-channel field effect transistor VT2 and resistance R4,
One end of the 6th foot connecting resistance R3 of operational amplifier IC2 and the grid of N-channel field effect transistor VT2, N ditch
The drain electrode connection circuit positive pole VCC of road field effect transistor VT2, the source electrode of N-channel field effect transistor VT2 passes through resistance R4
Connection circuit ground GND；
Described illuminating lamp driving circuit is by triggering resistance R5, electrochemical capacitor C4, bidirectional triode thyristor BCR, photograph
Bright lamp HL forms, one end of the source contact generating resistance R5 of N-channel field effect transistor VT2, triggers resistance R5
Another termination positive pole of electrochemical capacitor C4 and control pole G, electrochemical capacitor C4 negative of bidirectional triode thyristor BCR
The first anode T1 of connection circuit ground, pole GND, bidirectional triode thyristor BCR meets 220V by and off switch SW and exchanges
The second plate T2 of the live wire end L, bidirectional triode thyristor BCR of power supply is by illuminating lamp HL connection circuit ground GND；
Described 9V halfwave rectifier regulated power supply is by decompression capacitor C5, bleeder resistance R6 and silicon rectifier diode
D1, silicon voltage regulator diode DW and electrochemical capacitor C3 composition, the voltage stabilizing value of silicon voltage regulator diode DW is 9V, fall
One end of voltage capacitance C5 and one end of bleeder resistance R6 connect the fire of 220V alternating current power supply by and off switch SW
The other end of line end L, decompression capacitor C5 and another termination silicon rectifier diode D1 of bleeder resistance R6 are just
Pole, the negative pole of silicon rectifier diode D1 connects negative pole and the positive pole of electrochemical capacitor C3 of silicon voltage regulator diode DW,
The positive pole of silicon voltage regulator diode DW and the negative pole connection circuit ground GND of electrochemical capacitor C3；
The positive pole of described 9V halfwave rectifier regulated power supply is connected with circuit anode VCC, 9V halfwave rectifier voltage stabilizing
The negative pole of power supply is connected with the zero line side N of circuit ground GND and 220V alternating current power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610415439.XA CN105848391A (en) | 2016-06-14 | 2016-06-14 | Bathroom illuminating lamp with functions of sensing human body and realizing gradually-changed luminance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610415439.XA CN105848391A (en) | 2016-06-14 | 2016-06-14 | Bathroom illuminating lamp with functions of sensing human body and realizing gradually-changed luminance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105848391A true CN105848391A (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610415439.XA Pending CN105848391A (en) | 2016-06-14 | 2016-06-14 | Bathroom illuminating lamp with functions of sensing human body and realizing gradually-changed luminance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105848391A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108770150A (en) * | 2018-06-13 | 2018-11-06 | 吴建堂 | Human body infrared induction delay night-light |
| CN108811277A (en) * | 2018-06-12 | 2018-11-13 | 吴圣铎 | Night goes to the toilet human body sensing night-light |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140015422A1 (en) * | 2012-06-21 | 2014-01-16 | Qicheng Electrical Equipment Co., Ltd. | Photoswitch |
| CN105231974A (en) * | 2015-11-19 | 2016-01-13 | 何林 | Infrared probe type shoe-cleaning machine |
| CN105611702A (en) * | 2016-03-06 | 2016-05-25 | 王志 | Full-bright and semi-bright energy-saving street lamp employing infrared detection for landscape area |
-
2016
- 2016-06-14 CN CN201610415439.XA patent/CN105848391A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140015422A1 (en) * | 2012-06-21 | 2014-01-16 | Qicheng Electrical Equipment Co., Ltd. | Photoswitch |
| CN105231974A (en) * | 2015-11-19 | 2016-01-13 | 何林 | Infrared probe type shoe-cleaning machine |
| CN105611702A (en) * | 2016-03-06 | 2016-05-25 | 王志 | Full-bright and semi-bright energy-saving street lamp employing infrared detection for landscape area |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108811277A (en) * | 2018-06-12 | 2018-11-13 | 吴圣铎 | Night goes to the toilet human body sensing night-light |
| CN108770150A (en) * | 2018-06-13 | 2018-11-06 | 吴建堂 | Human body infrared induction delay night-light |
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Application publication date: 20160810 |