CN107743327A - A kind of high stable desk lamp control system for preventing flicker - Google Patents
A kind of high stable desk lamp control system for preventing flicker Download PDFInfo
- Publication number
- CN107743327A CN107743327A CN201711078938.5A CN201711078938A CN107743327A CN 107743327 A CN107743327 A CN 107743327A CN 201711078938 A CN201711078938 A CN 201711078938A CN 107743327 A CN107743327 A CN 107743327A
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- electric capacity
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- 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
-
- 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
-
- 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
- H05B47/16—Controlling the light source by timing means
-
- 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
Abstract
The invention discloses a kind of high stable desk lamp control system for preventing flicker, it is characterised in that mainly by when the composition such as base chip U, bidirectional thyristor VS, P poles ground connection, the diode D4 that is connected after resistance R11 with bidirectional thyristor VS second plate of N poles.The present invention has prompting function, when people are read using desk lamp, a period of time backstage lantern festival automatic distinguishing, and so as to remind people to need to rest, protect eyes；Meanwhile the present invention can send faint light at night, so as to prompt the position of people's desk lamp, be convenient for people to use desk lamp.The present invention can be very good to filter ripple voltage, so that present invention work is more stable.
Description
Technical field
The present invention relates to a kind of control system, in particular to a kind of high stable desk lamp control system for preventing flicker.
Background technology
Desk lamp has turned into indispensable illuminations in people's life at present, and desk lamp is generally controlled by control system,
But traditional control system work and unstable, easily cause desk lamp to flash.
The content of the invention
Worked it is an object of the invention to the control system for overcoming current desk lamp and unstable, easily cause desk lamp to flash
The defects of, there is provided a kind of high stable desk lamp control system for preventing flicker.
The purpose of the present invention is achieved through the following technical solutions：A kind of high stable desk lamp control system for preventing flicker,
Mainly by when base chip U, bidirectional thyristor VS, electric voltage frequency process circuit, P poles ground connection, N poles after resistance R11 with two-way crystalline substance
The diode D4 that brake tube VS second plate is connected, the control of base chip U OUT pins and bidirectional thyristor VS when being serially connected in
Resistance R10 between pole, resistance R9, P pole when being serially connected between base chip U TRI pins and RE pins with when base chip U
RE pins are connected, N poles after light emitting diode VL with when base chip U the diode D3 that is connected of OUT pins, when being serially connected in
Resistance R8 between base chip U VCC pins and RE pins, base chip U TRI pins and diode D4 N poles when being serially connected in
Between switch SB, positive pole with when base chip U CONT pins be connected, the electric capacity that negative pole is connected with diode D4 N poles
C5, negative pole with when base chip U THRE pins be connected, positive pole after potentiometer R5 with when base chip U RE pins be connected
Electric capacity C4, P pole be connected after resistance R6 with electric capacity C5 negative pole, the diode D2 that N poles are connected with electric capacity C4 negative pole,
Respectively with when the light sensation circuit that is connected of base chip U RE pins and electric capacity C5 negative pole, one end is connected, separately with light sensation circuit
One end with when base chip U the resistance R7 that is connected of THRE pins, the filter circuit being connected with light sensation circuit, and being serially connected in
Illuminating lamp EL compositions between electric voltage frequency process circuit and bidirectional thyristor the VS first anode；Base chip U when described
THRE pins are connected with its DIS pin；The control terminal of the potentiometer R5 with when base chip U RE pins be connected；It is described
Electric voltage frequency process circuit is also connected with filter circuit.
The electric voltage frequency process circuit includes triode VT101, and negative pole is connected with filter circuit, positive pole is through resistance
Current collection of electric capacity C101, the N pole being connected after R102 with triode VT101 base stage after resistance R103 with triode VT101
Voltage-regulator diode D101, the N pole that pole is connected, P poles are connected with electric capacity C101 positive pole and voltage-regulator diode D101 P poles phase
Connection, the voltage-regulator diode D102 that is connected with electric capacity C101 negative pole of P poles, negative pole is grounded, positive pole after electric capacity C102 with three
The electric capacity C103 that pole pipe VT101 base stage is connected, it is serially connected between voltage-regulator diode D102 P poles and electric capacity C103 negative pole
Resistance R101, and P poles are connected after resistance R104 with triode VT101 emitter stage, N poles after illuminating lamp EL with it is double
The voltage-regulator diode D103 being connected to the IGCT VS first anode.
The filtered electrical routing amplifier P, the resistance R1 being serially connected between amplifier P positive pole and output end, negative pole with
The electric capacity C2 that amplifier P negative pole is connected, positive pole is connected with amplifier P positive pole, negative pole are connected with electric capacity C2 positive pole
Connect, the electric capacity C1 that positive pole P poles are connected with electric capacity C101 negative pole, and one end is connected with amplifier P negative pole, the other end
The resistance R2 compositions being connected with light sensation circuit；The output end of the amplifier P is connected with light sensation circuit；The electric capacity C1's
Positive pole connects+6V voltages.
The light sensation circuit is serially connected in light sensation triode VT1 colelctor electrode and three by phototriode VT1, triode VT2
Resistance R3, N pole between pole pipe VT2 base stage is connected with triode VT2 colelctor electrode, P poles and amplifier P output end phase
The diode D1 of connection, and positive pole is connected with triode VT2 base stage, negative pole after resistance R4 with light sensation triode VT1
Emitter stage be connected electric capacity C3 composition；The emitter stage of the phototriode VT1 is connected same with electric capacity C5 negative pole
When connect -6V voltages；The colelctor electrode of the triode VT2 is connected with phototriode VT1 colelctor electrode, its emitter stage and when base
Chip U RE pins are connected；The negative pole of the electric capacity C3 after resistance R7 with when base chip U THRE pins be connected.
Base chip U is NE555 integrated chips when described.
The present invention compared with the prior art, has advantages below and beneficial effect：
(1) present invention has prompting function, when people are read using desk lamp, a period of time backstage lantern festival automatic distinguishing, from
And remind people to need to rest, protect eyes；Meanwhile the present invention can send faint light at night, so as to prompter
Desk lamp position, be convenient for people to use desk lamp.
(2) present invention can be very good to filter ripple voltage, so that present invention work is more stable.
(3) electric voltage frequency process circuit of the invention can be handled the frequency of voltage, make electric voltage frequency more stable,
Prevent desk lamp from scintillation occur.
Brief description of the drawings
Fig. 1 is the overall structure figure of the present invention.
Fig. 2 is the structure chart of the electric voltage frequency process circuit of the present invention.
Embodiment
The present invention is described in further detail with reference to embodiment, but embodiments of the present invention are not limited to
This.
Embodiment
As shown in figure 1, the present invention mainly by when base chip U, bidirectional thyristor VS, potentiometer R5, resistance R6, resistance R7,
Resistance R8, resistance R9, resistance R10, resistance R11, illuminating lamp EL, diode D2, diode D3, diode D4, electric capacity C4, electric capacity
C5, switch SB, light emitting diode VL, filter circuit, electric voltage frequency process circuit and light sensation circuit composition.
Wherein, diode D4 P poles ground connection, second plate of the N poles with bidirectional thyristor VS after resistance R11 are connected.
When resistance R10 is serially connected between base chip U OUT pins and bidirectional thyristor VS control pole.Base core when resistance R9 is serially connected in
Between piece U TRI pins and RE pins.Diode D3 P poles with when base chip U RE pins be connected, N poles are through light-emitting diodes
After pipe VL with when base chip U OUT pins be connected.When resistance R8 is serially connected between base chip U VCC pins and RE pins.
When switch SB is serially connected between base chip U TRI pins and diode D4 N poles.Electric capacity C5 positive pole with when base chip U
CONT pins are connected, and negative pole is connected with diode D4 N poles.Electric capacity C4 negative pole with when base chip U THRE pin phases
Connection, positive pole after potentiometer R5 with when base chip U RE pins be connected.Diode D2 P poles after resistance R6 with electric capacity
C5 negative pole is connected, and N poles are connected with electric capacity C4 negative pole.Light sensation circuit respectively with when base chip U RE pins and electric capacity
C5 negative pole is connected.Filter circuit is connected with light sensation circuit.Resistance R7 one end is connected with light sensation circuit, the other end with
When base chip U THRE pins be connected.Illuminating lamp EL is serially connected in the first of electric voltage frequency process circuit and bidirectional thyristor VS
Between anode.Base chip U THRE pins are connected with its DIS pin when described.The control terminal of the potentiometer R5 with when base
Chip U RE pins are connected.The electric voltage frequency process circuit is also connected with filter circuit.
The bidirectional thyristor VS, resistance R10 and resistance R11 collectively constitute an on-off circuit；The on-off circuit can be with
According to when the level signal that exports of base chip U come on or off, light so as to realize or extinguish illuminating lamp EL.The two-way brilliant lock
Pipe VS model SC341D, resistance R10 resistance are 120 Ω, and resistance R11 resistance is then 5K Ω.
This when base chip U be NE555 integrated chips, diode D2 and diode D3 and diode D4 is 1N4001 types
Diode, resistance R9 resistance is 10K Ω, and potentiometer R5 maximum value is 2.2M Ω, and resistance R6 resistance is 1.5M Ω, electricity
The resistance for hindering R7 and resistance R8 is 1M Ω, and electric capacity C4 capacitance is 100 μ F, and electric capacity C5 capacitance is then 0.1 μ F, and this luminous two
Pole pipe VL is green light LED.
As shown in Fig. 2 electric voltage frequency process circuit includes triode VT101, negative pole is connected with filter circuit, positive pole warp
Electric capacity C101, the N pole being connected after resistance R102 with triode VT101 base stage is after resistance R103 with triode VT101's
Voltage-regulator diode D101, the N pole that colelctor electrode is connected, P poles are connected with electric capacity C101 positive pole and voltage-regulator diode D101 P
The voltage-regulator diode D102 that pole is connected, P poles are connected with electric capacity C101 negative pole, negative pole ground connection, positive pole are after electric capacity C102
The electric capacity C103 being connected with triode VT101 base stage, it is serially connected in voltage-regulator diode D102 P poles and electric capacity C103 negative pole
Between resistance R101, and P poles are connected after resistance R104 with triode VT101 emitter stage, N poles are after illuminating lamp EL
The voltage-regulator diode D103 being connected with the bidirectional thyristor VS first anode.
Turn-on transistor VT101 after control source is come in, while voltage-regulator diode D101, voltage-regulator diode D102 and steady
It is stable that pressure diode D103 then manages the frequency of voltage, so as to prevent desk lamp from scintillation occur.Wherein, triode VT101
Model 2N3565, voltage-regulator diode D101, voltage-regulator diode D102 and voltage-regulator diode D103 model are 1N708,
Electric capacity C101 capacitance is that 2.2 μ F, electric capacity C102 and electric capacity C103 capacitance are 0.5 μ F, resistance R103 and resistance R101
The resistance that resistance is 10K Ω, resistance R102 and resistance R104 is 5K Ω.
Light sensation circuit can detect the brightness of environment, and control light emitting diode VL according to the brightness of environment, and it is by light
Quick triode VT1, triode VT2, diode D1, resistance R3, resistance R4 and electric capacity C3 compositions.
During connection, resistance R3 is serially connected between light sensation triode VT1 colelctor electrode and triode VT2 base stage.Diode
D1 N poles are connected with triode VT2 colelctor electrode, and P poles are connected with filter circuit.Electric capacity C3 positive pole and triode VT2
Base stage be connected, emitter stage of the negative pole with light sensation triode VT1 after resistance R4 is connected.The phototriode VT1's
Emitter stage connects -6V voltages while being connected with electric capacity C5 negative pole.The colelctor electrode and phototriode of the triode VT2
VT1 colelctor electrode is connected, its emitter stage with when base chip U RE pins be connected.The negative pole of the electric capacity C3 is through resistance R7
Afterwards with when base chip U THRE pins be connected.
Phototriode VT1 can adjust its resistance according to the brightness of environment, and it need to be arranged on not illuminated lamp and shine
The place arrived, such as the top of illuminating lamp, phototriode VT1 model 3DU5.Triode VT2 model 9013, two
Pole pipe D1 is 1N4001 type diodes, and resistance R3 and resistance R4 resistance are 10K Ω, and electric capacity C3 capacitance is 100 μ F.
The filter circuit can be very good to filter ripple voltage, make the operating voltage of the present invention for the direct current of smooth-going
Voltage, it is made up of amplifier P, resistance R1, resistance R2, electric capacity C1 and electric capacity C2.
Resistance R1 is serially connected between amplifier P positive pole and output end.The negative pole phase of electric capacity C2 negative pole and amplifier P
Connection, positive pole are connected with amplifier P positive pole.Electric capacity C1 negative pole is connected with electric capacity C2 positive pole, positive pole and electric capacity
C101 negative pole is connected.Resistance R2 one end is connected with amplifier P negative pole, the hair of the other end and phototriode VT1
Emitter-base bandgap grading is connected.The output end of the amplifier P is connected with diode D1 P poles.The positive pole of the electric capacity C1 connects+6V electricity
Pressure.
Wherein, amplifier P, electric capacity C2, electric capacity C1 and resistance R1 form a wave filter, voltage output come in after by filtering
Ripple device filters to the ripple voltage in voltage, and amplifier P output end then exports the direct current of smooth-going, so that this hair
Bright operating voltage is more stable, greatly improves the stability of the present invention.Amplifier P model LM102, electric capacity C1's
Capacitance is 0.02 μ F, and electric capacity C2 capacitance is then that 0.01 μ F, resistance R1 and resistance R2 resistance are 25K Ω.
At night, phototriode VT1 resistance is very big, and electric current turns on triode VT2, when base chip U obtain its electric OUT
Pin exports low level, and light emitting diode VL sends faint green glow, prompted the position of people's desk lamp, allowed one in dark
In find desk lamp；Due to when base chip U output low level can not turn on bidirectional thyristor VS, therefore illuminating lamp EL is not by point
It is bright.When switch SB closures, when base chip U upset, its OUT pin output high level, at this moment bidirectional thyristor VS is by high electricity
Flat conducting, illuminating lamp EL is then lit, and now light emitting diode VL then extinguishes；Due to the dark that desk lamp is sent, and
Be not again direct irradiation on phototriode VT1, therefore phototriode VT1 resistance is still very big, illuminating lamp EL work
Can be very stable.Base chip U automatic turnings when over time, its OUT pin export low level again, and illuminating lamp EL extinguishes,
Light emitting diode VL is lighted again, and so as to remind people to need to rest, it is each that regulation potentiometer R5 can then change illuminating lamp EL
The time of work.During the day, phototriode VT1 resistance becomes very little, and now triode VT2 ends, when base chip U not
Must be electric, light emitting diode VL does not also work, and now will not be also lit even if by lower switch SB illuminating lamps EL.
As described above, the present invention can be realized well.
Claims (4)
1. it is a kind of prevent flicker high stable desk lamp control system, it is characterised in that mainly by when base chip U, two-way brilliant lock
Pipe VS, electric voltage frequency process circuit, P poles ground connection, N poles are connected after resistance R11 with bidirectional thyristor VS second plate
Diode D4, resistance R10 when being serially connected between base chip U OUT pins and bidirectional thyristor VS control pole, when being serially connected in
Resistance R9, P pole between base chip U TRI pins and RE pins with when base chip U RE pins be connected, N poles are through luminous two
After pole pipe VL with when base chip U the diode D3 that is connected of OUT pins, base chip U VCC pins and RE pins when being serially connected in
Between resistance R8, switch SB when being serially connected between base chip U TRI pins and diode D4 N poles, positive pole with when base core
The electric capacity C5 that piece U CONT pins are connected, negative pole is connected with diode D4 N poles, negative pole with when base chip U THRE manage
Pin is connected, positive pole after potentiometer R5 with when base chip U electric capacity C4, the P pole that is connected of RE pins after resistance R6 with electricity
The negative pole for holding C5 is connected, the diode D2 that N poles are connected with electric capacity C4 negative pole, respectively with when base chip U RE pins and
The light sensation circuit that electric capacity C5 negative pole is connected, one end is connected with light sensation circuit, the other end and when base chip U THRE pins
The resistance R7 being connected, the filter circuit being connected with light sensation circuit, and it is serially connected in electric voltage frequency process circuit and two-way crystalline substance
Illuminating lamp EL compositions between the brake tube VS first anode；Base chip U THRE pins are connected with its DIS pin when described；
The control terminal of the potentiometer R5 with when base chip U RE pins be connected；The electric voltage frequency process circuit also with filtered electrical
Road is connected；
The electric voltage frequency process circuit includes triode VT101, and negative pole is connected with filter circuit, positive pole is after resistance R102
Colelctor electrode of electric capacity C101, the N pole being connected with triode VT101 base stage with triode VT101 after resistance R103 is connected
Connect, voltage-regulator diode D101, the N pole that P poles are connected with electric capacity C101 positive pole is connected with voltage-regulator diode D101 P poles, P
The voltage-regulator diode D102 that pole is connected with electric capacity C101 negative pole, negative pole ground connection, positive pole after electric capacity C102 with triode
The electric capacity C103 that VT101 base stage is connected, the electricity being serially connected between voltage-regulator diode D102 P poles and electric capacity C103 negative pole
Hinder R101, and P poles are connected after resistance R104 with triode VT101 emitter stage, N poles after illuminating lamp EL with two-way crystalline substance
The voltage-regulator diode D103 that the brake tube VS first anode is connected.
A kind of 2. high stable desk lamp control system for preventing flicker according to claim 1, it is characterised in that the filter
Wave circuit is by amplifier P, the resistance R1 being serially connected between amplifier P positive pole and output end, the negative pole phase of negative pole and amplifier P
Connection, the electric capacity C2 that is connected with amplifier P positive pole of positive pole, negative pole is connected with electric capacity C2 positive pole, positive pole P poles and electric capacity
The electric capacity C1 that C101 negative pole is connected, and one end is connected with amplifier P negative pole, the other end is connected with light sensation circuit
Resistance R2 composition；The output end of the amplifier P is connected with light sensation circuit；The positive pole of the electric capacity C1 connects+6V voltages.
A kind of 3. high stable desk lamp control system for preventing flicker according to claim 2, it is characterised in that the light
Inductive circuit is serially connected in light sensation triode VT1 colelctor electrode and triode VT2 base stage by phototriode VT1, triode VT2
Between resistance R3, N pole be connected with triode VT2 colelctor electrode, the diode that P poles are connected with amplifier P output end
D1, and positive pole is connected with triode VT2 base stage, emitter stage of the negative pole with light sensation triode VT1 after resistance R4 is connected
The electric capacity C3 compositions connect；The emitter stage of the phototriode VT1 connects -6V voltages while being connected with electric capacity C5 negative pole；
The colelctor electrode of the triode VT2 is connected with phototriode VT1 colelctor electrode, its emitter stage with when base chip U RE manage
Pin is connected；The negative pole of the electric capacity C3 after resistance R7 with when base chip U THRE pins be connected.
4. a kind of high stable desk lamp control system for preventing flicker according to claim 3, it is characterised in that when described
Base chip U is NE555 integrated chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711078938.5A CN107743327A (en) | 2017-11-06 | 2017-11-06 | A kind of high stable desk lamp control system for preventing flicker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711078938.5A CN107743327A (en) | 2017-11-06 | 2017-11-06 | A kind of high stable desk lamp control system for preventing flicker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107743327A true CN107743327A (en) | 2018-02-27 |
Family
ID=61233121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711078938.5A Pending CN107743327A (en) | 2017-11-06 | 2017-11-06 | A kind of high stable desk lamp control system for preventing flicker |
Country Status (1)
| Country | Link |
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| CN (1) | CN107743327A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109152165A (en) * | 2018-07-30 | 2019-01-04 | 长安大学 | A kind of building corridor energy-saving automatic control lamp |
-
2017
- 2017-11-06 CN CN201711078938.5A patent/CN107743327A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109152165A (en) * | 2018-07-30 | 2019-01-04 | 长安大学 | A kind of building corridor energy-saving automatic control lamp |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180227 |
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| WD01 | Invention patent application deemed withdrawn after publication |