CN109219220A - A kind of mute energy-saving Intelligent small lamp used at night - Google Patents
A kind of mute energy-saving Intelligent small lamp used at night Download PDFInfo
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- CN109219220A CN109219220A CN201811348331.9A CN201811348331A CN109219220A CN 109219220 A CN109219220 A CN 109219220A CN 201811348331 A CN201811348331 A CN 201811348331A CN 109219220 A CN109219220 A CN 109219220A
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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
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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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
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
- H05B47/12—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by detecting audible sound
-
- 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 present invention provides a kind of mute energy-saving Intelligent small lamp used at night, is the problem of existing mini light night influences baby sleeping and waste electric energy.Its scheme is, including lamp body, it include control circuit in the lamp body, the control circuit includes sound control circuit, light-operated circuit, single-chip microcontroller, zero cross detection circuit, light bulb and trigger circuit, and the sound control circuit is connect with single-chip microcontroller, light-operated circuit is connect with single-chip microcontroller, the input of zero cross detection circuit terminates alternating current, and the output end of zero cross detection circuit is connect with single-chip microcontroller, and single-chip microcontroller is connect with trigger circuit, trigger circuit is connect with light bulb, and light bulb is by mains-supplied；Zero cross detection circuit of the invention is in sinusoidal voltage access zero, in dark and in the case where have sound, 1 pin of single-chip microcontroller U2 exports high level, bidirectional triode thyristor U10 is triggered, and light bulb LAMP is lighted, after baby falls asleep, no baby cries and screams sound, light bulb LAMP extinguishes, and ensure that the sleep quality of baby, while saving electric energy.
Description
Technical field
The present invention relates to mini light night technical fields, more particularly to a kind of mute energy-saving Intelligent small lamp used at night.
Background technique
In order to preferably look after baby, when coming at night, there are many mothers using mini light night, baby can safely enter
It sleeps, and mini light night on the market is substantially that perhaps Light-operated night lamp but baby are easy worries or parent speaks for acoustic control now,
Acoustic control mini light night is regular bright, irritating to the eyesight of baby, has an impact to the eyesight of baby, Light-operated night lamp in dark or
Person's night, Light-operated night lamp a bright night, such words, baby will can sleep under light always for a long time, influence sleeping for child
Dormancy quality and growth and development, and Light-operated night lamp wastes electric energy, but mini light night is very big on baby's influence, such as a long time under light
Sleep, influences the visual acuity of baby；Sleep of turning on light influences the sleep quality of baby, makes baby's restlessness, irritable emotion makes
Sleeping time shortens and is easy to wake up with a start；Sleep of turning on light influences the growth and development of baby.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the purpose of the present invention is just to provide a kind of mute energy-saving intelligence
Energy mini light night, it is therefore intended that existing mini light night influences the problem of baby sleeping and waste electric energy.
Its technical solution is, including lamp body, includes control circuit in the lamp body, and the control circuit includes acoustic control electricity
Road, light-operated circuit, single-chip microcontroller, zero cross detection circuit, light bulb and trigger circuit, the sound control circuit is connect with single-chip microcontroller, light-operated
Circuit is connect with single-chip microcontroller, and the input of zero cross detection circuit terminates alternating current, and the output end of zero cross detection circuit is connect with single-chip microcontroller,
Single-chip microcontroller is connect with trigger circuit, and trigger circuit is connect with light bulb, and light bulb is by mains-supplied；
The control circuit includes the single-chip microcontroller U2, electret microphone MIC, photoelectrical coupler U3, photoelectric coupling of model AT89C51
The 1 pin warp of device U8, photo-coupler U9, bidirectional triode thyristor U10 and light bulb LAMP, the single-chip microcontroller U2 of the model AT89C51
Resistance R17 is connect with the base stage of PNP type triode Q5, and the emitter of PNP type triode Q5 meets power supply VCC, PNP type triode Q5
Collector connect with 1 pin of photo-coupler U9,2 pins of photo-coupler U9 are grounded GND, 6 pins of photo-coupler U9 with
One end of resistance R19 connects, and 4 pins of photo-coupler U9 connects with one end of resistance R20,4 pins of photo-coupler U9 with pair
It is connected to the control electrode of silicon-controlled U10, the other end of resistance R20 is connect with an anode of bidirectional triode thyristor U10, bidirectional triode thyristor
Another anode of U10 is connect with the other end of resistance R19, and an anode of bidirectional triode thyristor U10 is connect with one end of resistance R21,
The other end of resistance R21 is connect with one end of capacitor C9, and the other end of capacitor C9 is connect with the other end of resistance R19, resistance R21
One end connect with one end of light bulb LAMP, the exchange of another termination of another termination alternating current 220V of light bulb LAMP, resistance R19
22 pins of the single-chip microcontroller U2 of electric 220V, model AT89C51 are connect with one end of resistance R24, the other end of resistance R24 and two
The anode connection of pole pipe D2, the cathode of diode D2 connect power supply VCC, 22 pins and electricity of the single-chip microcontroller U2 of model AT89C51
One end connection of R22 is hindered, the other end of resistance R22 is connect with the base stage of NPN type triode Q6, the monolithic of model AT89C51
22 pins of machine U2 are connect with the collector of NPN type triode Q6, the emitter of NPN type triode Q6 and one end of resistance R23
Connection, the other end of resistance R23 are grounded GND, and the base stage of NPN type triode Q6 is connect with the anode of electrolytic capacitor C10, electrolysis electricity
The cathode for holding C10 is connect with one end of electret microphone MIC, and the other end of electret microphone MIC and the minimum value end of potentiometer RV2 connect
Connect, the maximum value end of potentiometer RV2 and slider all meet power supply VCC, 21 pins of the single-chip microcontroller U2 of model AT89C51 with
The collector of NPN type triode Q9 connects, and the emitter of NPN type triode Q9 is grounded GND, the base stage of NPN type triode Q9 with
The emitter of NPN type triode Q4 connects, and the base stage of NPN type triode Q4 is connect with one end of capacitor C5, and capacitor C5's is another
End ground connection GND, the base stage of NPN type triode Q4 are connect with the slider of potentiometer RV1, the minimum value termination of potentiometer RV1
The maximum value end of ground GND, potentiometer RV1 are connect with one end of photo resistance LDR2, another termination power of photo resistance LDR2
VCC, the collector of NPN type triode Q4 connect power supply VCC, 12 pins of the single-chip microcontroller U2 of model AT89C51 and three pole of NPN type
The collector of pipe Q1 connects, and the emitter of NPN type triode Q1 is grounded GND, and the base stage of NPN type triode Q1 connects through resistance R16
The base stage of power supply VCC, NPN type triode Q1 are connect with 5 pins of photoelectrical coupler U3, the base stage and light of NPN type triode Q1
5 pins of electric coupler U8 connect, and 4 pins of photoelectrical coupler U3 and 4 pins of photoelectrical coupler U8 are all grounded GND, photoelectricity
1 pin of coupler U3 is connect with one end of resistance R3, and one end of the secondary coil of the other end and transformer TR1 of resistance R3 connects
It connecing, 1 pin of photoelectrical coupler U8 is connect with one end of resistance R3, and the 2 of 2 pins of photoelectrical coupler U3 and photoelectrical coupler U8
Pin is all connect with the other end of the secondary coil of transformer TR1, and the primary coil of transformer TR1 meets alternating current 220V.
Zero cross detection circuit of the invention is in sinusoidal voltage access zero, photoelectrical coupler U3 and photoelectrical coupler U8
All end, 12 pins of single-chip microcontroller U1 is caused to interrupt, in dark and in the case where have sound, 1 pin of single-chip microcontroller U2 is defeated
High level out, bidirectional triode thyristor U10 are triggered, and light bulb LAMP is lighted, and after baby falls asleep, no baby cries and screams sound, light bulb LAMP
Extinguish, ensure that the sleep quality of baby, while saving electric energy.
Detailed description of the invention
Fig. 1 is a kind of overall construction drawing of mute energy-saving Intelligent small lamp used at night of the invention；
Fig. 2 is the circuit connection diagram of the intracorporal control circuit of lamp of the invention.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.
Now in conjunction with shown in attached drawing 1 and Fig. 2, a kind of mute energy-saving Intelligent small lamp used at night of the invention, including lamp body, the lamp body
Interior includes control circuit, and the control circuit includes sound control circuit, light-operated circuit, single-chip microcontroller, zero cross detection circuit, light bulb and touching
Power Generation Road, the sound control circuit are connect with single-chip microcontroller, and light-operated circuit is connect with single-chip microcontroller, and the input of zero cross detection circuit terminates city
The output end of electricity, zero cross detection circuit is connect with single-chip microcontroller, and single-chip microcontroller is connect with trigger circuit, and trigger circuit is connect with light bulb,
Light bulb is by mains-supplied；
The control circuit includes the single-chip microcontroller U2, electret microphone MIC, photoelectrical coupler U3, photoelectric coupling of model AT89C51
The 1 pin warp of device U8, photo-coupler U9, bidirectional triode thyristor U10 and light bulb LAMP, the single-chip microcontroller U2 of the model AT89C51
Resistance R17 is connect with the base stage of PNP type triode Q5, and the emitter of PNP type triode Q5 meets power supply VCC, PNP type triode Q5
Collector connect with 1 pin of photo-coupler U9,2 pins of photo-coupler U9 are grounded GND, 6 pins of photo-coupler U9 with
One end of resistance R19 connects, and 4 pins of photo-coupler U9 connects with one end of resistance R20,4 pins of photo-coupler U9 with pair
It is connected to the control electrode of silicon-controlled U10, the other end of resistance R20 is connect with an anode of bidirectional triode thyristor U10, bidirectional triode thyristor
Another anode of U10 is connect with the other end of resistance R19, and an anode of bidirectional triode thyristor U10 is connect with one end of resistance R21,
The other end of resistance R21 is connect with one end of capacitor C9, and the other end of capacitor C9 is connect with the other end of resistance R19, resistance R21
One end connect with one end of light bulb LAMP, the exchange of another termination of another termination alternating current 220V of light bulb LAMP, resistance R19
22 pins of the single-chip microcontroller U2 of electric 220V, model AT89C51 are connect with one end of resistance R24, the other end of resistance R24 and two
The anode connection of pole pipe D2, the cathode of diode D2 connect power supply VCC, 22 pins and electricity of the single-chip microcontroller U2 of model AT89C51
One end connection of R22 is hindered, the other end of resistance R22 is connect with the base stage of NPN type triode Q6, the monolithic of model AT89C51
22 pins of machine U2 are connect with the collector of NPN type triode Q6, the emitter of NPN type triode Q6 and one end of resistance R23
Connection, the other end of resistance R23 are grounded GND, and the base stage of NPN type triode Q6 is connect with the anode of electrolytic capacitor C10, electrolysis electricity
The cathode for holding C10 is connect with one end of electret microphone MIC, and the other end of electret microphone MIC and the minimum value end of potentiometer RV2 connect
Connect, the maximum value end of potentiometer RV2 and slider all meet power supply VCC, 21 pins of the single-chip microcontroller U2 of model AT89C51 with
The collector of NPN type triode Q9 connects, and the emitter of NPN type triode Q9 is grounded GND, the base stage of NPN type triode Q9 with
The emitter of NPN type triode Q4 connects, and the base stage of NPN type triode Q4 is connect with one end of capacitor C5, and capacitor C5's is another
End ground connection GND, the base stage of NPN type triode Q4 are connect with the slider of potentiometer RV1, the minimum value termination of potentiometer RV1
The maximum value end of ground GND, potentiometer RV1 are connect with one end of photo resistance LDR2, another termination power of photo resistance LDR2
VCC, the collector of NPN type triode Q4 connect power supply VCC, 12 pins of the single-chip microcontroller U2 of model AT89C51 and three pole of NPN type
The collector of pipe Q1 connects, and the emitter of NPN type triode Q1 is grounded GND, and the base stage of NPN type triode Q1 connects through resistance R16
The base stage of power supply VCC, NPN type triode Q1 are connect with 5 pins of photoelectrical coupler U3, the base stage and light of NPN type triode Q1
5 pins of electric coupler U8 connect, and 4 pins of photoelectrical coupler U3 and 4 pins of photoelectrical coupler U8 are all grounded GND, photoelectricity
1 pin of coupler U3 is connect with one end of resistance R3, and one end of the secondary coil of the other end and transformer TR1 of resistance R3 connects
It connecing, 1 pin of photoelectrical coupler U8 is connect with one end of resistance R3, and the 2 of 2 pins of photoelectrical coupler U3 and photoelectrical coupler U8
Pin is all connect with the other end of the secondary coil of transformer TR1, and the primary coil of transformer TR1 meets alternating current 220V.
19 pins of the single-chip microcontroller U2 of the model AT89C51 are connect with one end of capacitor C6, model AT89C51's
19 pins of single-chip microcontroller U2 are connect with one end of crystal oscillator X2, and 18 pins of the single-chip microcontroller U2 of model AT89C51 are with capacitor C7's
One end connection, 18 pins of the single-chip microcontroller U2 of model AT89C51 connect with the other end of crystal oscillator X2, the other end of capacitor C6 with
The other end of capacitor C7 is all grounded GND, and 9 pins of the single-chip microcontroller U2 of model AT89C51 are grounded GND, model through resistance R2
The 9 of the single-chip microcontroller U2 of AT89C51 draw foot meridian capacitor C8 and meet power supply VCC, and 9 pins of the single-chip microcontroller U2 of model AT89C51 are through multiple
Position key K meets power supply VCC.
The zero cross detection circuit, by transformer TR1, photoelectrical coupler U3, photoelectrical coupler U8, resistance R3, resistance R4,
Resistance R16 and NPN type triode Q1 composition, photoelectrical coupler U3 and photoelectrical coupler U8 play the role of isolation, when sine is handed over
When galvanic electricity access zero, photoelectrical coupler U3 and photoelectrical coupler U8 end, 12 pins of the single-chip microcontroller U2 of model AT89C51
Interrupt signal is provided, the trigger pulse issued for single-chip microcontroller U2 is synchronous with alternating current 220V, provides a temporal benchmark.
In the case where light is weaker, the resistance value very little of photo resistance LDR1 has the voltage at the both ends photo resistance LDR1
Forward bias voltage, NPN type triode Q7 conducting are provided for the collector junction of NPN type triode Q7, NPN type triode Q7 is NPN
The collector junction of type triode Q8 provides forward bias voltage, and NPN type triode Q8 conducting provides height for 21 pins of single-chip microcontroller U1
Level；
When having sound, voice signal is converted to electric signal by electret microphone MIC, and after NPN type triode Q6 amplification, is sent to
22 pins of the single-chip microcontroller U2 of model AT89C51,22 pins for the single-chip microcontroller U2 of model AT89C51 provide high level.
When light is weaker but does not have sound or light is strong but when having sound, and the 21 of the single-chip microcontroller U2 of model AT89C51 are drawn
Foot is high level, and 22 pins of the single-chip microcontroller U2 of model AT89C51 are low level, at this time the single-chip microcontroller of model AT89C51
1 pin of U2 exports low level, bidirectional triode thyristor U10 cut-off, and light bulb LAMP does not work.
It is weaker in light and when thering is baby or mother to make a sound, 21 pins of the single-chip microcontroller U2 of model AT89C51 and
22 pins are all high level, and 1 pin of the single-chip microcontroller U2 of model AT89C51 exports high level at this time, trigger bidirectional triode thyristor
The control electrode of U10, bidirectional triode thyristor U10 conducting, the shinny illumination of light bulb LAMP, capacitor C9 and resistance R21 are resistance capaciting absorpting circuit,
Photo-coupler U9 plays buffer action, and as baby and mother's sleep, the 1 pin output of the single-chip microcontroller U2 of model AT89C51 is low
Level, light bulb LAMP extinguish, provide the environment sleeping soundly for baby and mother, ensure that the sleep quality of baby, save simultaneously
Electric energy.
In the use of the present invention,
By taking the original state of light bulb LAMP is extinguishing as an example,
When baby and mother are in sleep state, sound control circuit can't detect sound, and sound control circuit exports low level, model
1 pin of the single-chip microcontroller U2 of AT89C51 exports low level, bidirectional triode thyristor U10 cut-off, and light bulb LAMP keeps the state extinguished；
When baby wakes up or when noisy people, it can issue and cry and scream sound and mother fools the sound of baby, sound control circuit exports high level, model
1 pin of the single-chip microcontroller U2 of AT89C51 exports high level, triggering bidirectional triode thyristor U10 conducting, and light bulb LAMP is lighted, and works as baby
When falling asleep again with mother, sound disappears, and sound control circuit exports low level, and 1 pin of the single-chip microcontroller U2 of model AT89C51 is again
Secondary output low level, bidirectional triode thyristor U10 cut-off, light bulb LAMP extinguish.
Zero cross detection circuit of the invention is in sinusoidal voltage access zero, photoelectrical coupler U3 and photoelectrical coupler U8
All end, 12 pins of single-chip microcontroller U1 is caused to interrupt, in dark and in the case where have sound, 1 pin of single-chip microcontroller U2 is defeated
High level out, bidirectional triode thyristor U10 are triggered, and light bulb LAMP is lighted, and after baby falls asleep, no baby cries and screams sound, light bulb LAMP
Extinguish, ensure that the sleep quality of baby, while saving electric energy.
Claims (2)
1. a kind of mute energy-saving Intelligent small lamp used at night, including lamp body, which is characterized in that it include control circuit in the lamp body, it is described
Control circuit includes sound control circuit, light-operated circuit, single-chip microcontroller, zero cross detection circuit, light bulb and trigger circuit, the sound control circuit
Connect with single-chip microcontroller, light-operated circuit is connect with single-chip microcontroller, and the input of zero cross detection circuit terminates alternating current, zero cross detection circuit it is defeated
Outlet is connect with single-chip microcontroller, and single-chip microcontroller is connect with trigger circuit, and trigger circuit is connect with light bulb, and light bulb is by mains-supplied；It is described
Control circuit includes single-chip microcontroller U2, electret microphone MIC, photoelectrical coupler U3, the photoelectrical coupler U8, light of model AT89C51
Coupler U9, bidirectional triode thyristor U10 and light bulb LAMP, 1 pin of the single-chip microcontroller U2 of the model AT89C51 is through resistance R17
It is connect with the base stage of PNP type triode Q5, the emitter of PNP type triode Q5 connects power supply VCC, the current collection of PNP type triode Q5
Pole is connect with 1 pin of photo-coupler U9, and 2 pins of photo-coupler U9 are grounded GND, 6 pins and resistance R19 of photo-coupler U9
One end connection, 4 pins of photo-coupler U9 connect with one end of resistance R20,4 pins and bidirectional triode thyristor of photo-coupler U9
The control electrode of U10 connects, and the other end of resistance R20 is connect with an anode of bidirectional triode thyristor U10, and bidirectional triode thyristor U10's is another
One anode is connect with the other end of resistance R19, and an anode of bidirectional triode thyristor U10 is connect with one end of resistance R21, resistance R21
The other end connect with one end of capacitor C9, the other end of capacitor C9 is connect with the other end of resistance R19, one end of resistance R21
It is connect with one end of light bulb LAMP, another termination alternating current of another termination alternating current 220V of light bulb LAMP, resistance R19
22 pins of the single-chip microcontroller U2 of 220V, model AT89C51 are connect with one end of resistance R24, the other end of resistance R24 and two poles
The anode connection of pipe D2, the cathode of diode D2 connect power supply VCC, 22 pins and resistance of the single-chip microcontroller U2 of model AT89C51
One end of R22 connects, and the other end of resistance R22 is connect with the base stage of NPN type triode Q6, the single-chip microcontroller of model AT89C51
22 pins of U2 are connect with the collector of NPN type triode Q6, and the emitter of NPN type triode Q6 and one end of resistance R23 connect
It connects, the other end of resistance R23 is grounded GND, and the base stage of NPN type triode Q6 is connect with the anode of electrolytic capacitor C10, electrolytic capacitor
The cathode of C10 is connect with one end of electret microphone MIC, and the other end of electret microphone MIC and the minimum value end of potentiometer RV2 connect
Connect, the maximum value end of potentiometer RV2 and slider all meet power supply VCC, 21 pins of the single-chip microcontroller U2 of model AT89C51 with
The collector of NPN type triode Q9 connects, and the emitter of NPN type triode Q9 is grounded GND, the base stage of NPN type triode Q9 with
The emitter of NPN type triode Q4 connects, and the base stage of NPN type triode Q4 is connect with one end of capacitor C5, and capacitor C5's is another
End ground connection GND, the base stage of NPN type triode Q4 are connect with the slider of potentiometer RV1, the minimum value termination of potentiometer RV1
The maximum value end of ground GND, potentiometer RV1 are connect with one end of photo resistance LDR2, another termination power of photo resistance LDR2
VCC, the collector of NPN type triode Q4 connect power supply VCC, 12 pins of the single-chip microcontroller U2 of model AT89C51 and three pole of NPN type
The collector of pipe Q1 connects, and the emitter of NPN type triode Q1 is grounded GND, and the base stage of NPN type triode Q1 connects through resistance R16
The base stage of power supply VCC, NPN type triode Q1 are connect with 5 pins of photoelectrical coupler U3, the base stage and light of NPN type triode Q1
5 pins of electric coupler U8 connect, and 4 pins of photoelectrical coupler U3 and 4 pins of photoelectrical coupler U8 are all grounded GND, photoelectricity
1 pin of coupler U3 is connect with one end of resistance R3, and one end of the secondary coil of the other end and transformer TR1 of resistance R3 connects
It connecing, 1 pin of photoelectrical coupler U8 is connect with one end of resistance R3, and the 2 of 2 pins of photoelectrical coupler U3 and photoelectrical coupler U8
Pin is all connect with the other end of the secondary coil of transformer TR1, and the primary coil of transformer TR1 meets alternating current 220V.
2. a kind of mute energy-saving Intelligent small lamp used at night according to claim 1, which is characterized in that the model AT89C51
19 pins of single-chip microcontroller U2 connect with one end of capacitor C6,19 pins and crystal oscillator X2 of the single-chip microcontroller U2 of model AT89C51
One end connection, 18 pins of the single-chip microcontroller U2 of model AT89C51 connect with one end of capacitor C7, model AT89C51's
18 pins of single-chip microcontroller U2 are connect with the other end of crystal oscillator X2, and the other end of capacitor C6 and the other end of capacitor C7 are all grounded GND,
9 pins of the single-chip microcontroller U2 of model AT89C51 are grounded GND, 9 pins of the single-chip microcontroller U2 of model AT89C51 through resistance R2
Power supply VCC is met through capacitor C8,9 pins of the single-chip microcontroller U2 of model AT89C51 meet power supply VCC through reset key K.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811348331.9A CN109219220A (en) | 2018-11-13 | 2018-11-13 | A kind of mute energy-saving Intelligent small lamp used at night |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811348331.9A CN109219220A (en) | 2018-11-13 | 2018-11-13 | A kind of mute energy-saving Intelligent small lamp used at night |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109219220A true CN109219220A (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811348331.9A Pending CN109219220A (en) | 2018-11-13 | 2018-11-13 | A kind of mute energy-saving Intelligent small lamp used at night |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110322879A (en) * | 2019-07-30 | 2019-10-11 | 南通理工学院 | Sound control colored lamp and control method thereof |
-
2018
- 2018-11-13 CN CN201811348331.9A patent/CN109219220A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110322879A (en) * | 2019-07-30 | 2019-10-11 | 南通理工学院 | Sound control colored lamp and control method thereof |
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Application publication date: 20190115 |
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| WD01 | Invention patent application deemed withdrawn after publication |