CN110139446A - A kind of light-operated circuit - Google Patents
A kind of light-operated circuit Download PDFInfo
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- CN110139446A CN110139446A CN201910470581.8A CN201910470581A CN110139446A CN 110139446 A CN110139446 A CN 110139446A CN 201910470581 A CN201910470581 A CN 201910470581A CN 110139446 A CN110139446 A CN 110139446A
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- main control
- control module
- capacitor
- resistance
- flame detector
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- 239000003990 capacitor Substances 0.000 claims abstract description 72
- 230000003287 optical effect Effects 0.000 claims abstract description 53
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- 230000002708 enhancing effect Effects 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000035807 sensation Effects 0.000 description 3
- 241001465382 Physalis alkekengi Species 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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
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Abstract
The present invention provides a kind of light-operated circuits, including main control module (U1), optical flame detector (Q1), first capacitor (C1), third capacitor (C3), 3rd resistor (R3).The beneficial effects of the present invention are: 1. light-operated circuits of the invention include simple serial regulating circuit, which makes circuit of the invention reliably work in wider voltage range, and keeps higher control precision；2. light-operated circuit of the invention avoids the flashing light problem that environment light occurs when Near The Critical Point has fluctuation.
Description
Technical field
The present invention relates to electronic circuit field more particularly to a kind of light-operated circuits.
Background technique
With the propulsion of energy-saving and emission-reduction, at present light shutter device with more and more extensive.Light shutter device currently on the market
The component of mostly AC power supply, AC power supply has authentication requesting in use, at high cost, and function is not perfect, is unable to satisfy user's
Demand.
Summary of the invention
It include main control module, optical flame detector, first capacitor, third capacitor, third electricity the present invention provides a kind of light-operated circuit
Resistance, the end GND of the main control module is connected with publicly GND；
The end TR of the main control module and the end THR of the main control module respectively with 1 foot of the optical flame detector, the third
Resistance one end is connected, and the end TR of the main control module is connected with the end THR of the main control module；
The end RS of the main control module respectively with VCC, 2 feet of the optical flame detector, the end V+ of the main control module, described
One capacitor one end is connected；
The end V+ of the main control module respectively with VCC, described first capacitor one end, the main control module the end RS, described
2 feet of optical flame detector are connected；
The end DIS of the main control module is connected with the output terminal SW of optical flame detector；
The end CV of the main control module is connected with third capacitor one end, and another termination of third capacitor is publicly
GND；
Described first capacitor one end respectively with VCC, the end V+ of the main control module, the main control module the end RS, described
2 feet of optical flame detector are connected, and the first capacitor is another to terminate publicly GND；
Described 3rd resistor one end respectively with the end TR of the main control module, the end THR of the main control module, the light sensation
1 foot of device is connected, and the 3rd resistor is another to terminate publicly GND.
The beneficial effects of the present invention are: light-operated circuit perfect in shape and function of the invention, stable, it can be used for 6-30V's
Low voltage DC power supply, no authentication requesting, and light-operated circuit of the invention avoids the appearance when Near The Critical Point has fluctuation of environment light
Flashing light problem.
Detailed description of the invention
Fig. 1 is the circuit diagram of the first embodiment of the present invention.
Fig. 2 is the circuit diagram of the second embodiment of the present invention.
Fig. 3 is the circuit diagram of the third embodiment of the present invention.
Fig. 4 is the circuit diagram of the fourth embodiment of the present invention.
Fig. 5 is the circuit diagram of the fifth embodiment of the present invention.
Specific embodiment
The invention discloses a kind of light-operated circuits, as shown in Figure 1, as one embodiment of the invention:
The light-operated circuit includes main control module U1, optical flame detector Q1, first capacitor C1, third capacitor C3,3rd resistor R3, institute
The end GND for stating main control module U1 is connected with publicly GND；The THR at the end TR of the main control module U1 and the main control module U1
End be connected respectively with 1 foot of the optical flame detector Q1, the one end the 3rd resistor R3, and the end TR of the main control module U1 with it is described
The end THR of main control module U1 is connected；The end RS of the main control module U1 respectively with VCC, 2 feet of the optical flame detector Q1, the master
Control the end V+ of module U1, the one end the first capacitor C1 is connected；The end V+ of the main control module U1 respectively with VCC, described first
The one end capacitor C1, the end RS of the main control module U1,2 feet of the optical flame detector Q1 are connected；The end DIS of the main control module U1 with
The output terminal SW of optical flame detector is connected；The end CV of the main control module U1 is connected with described one end third capacitor C3, the third
Capacitor C3 is another to terminate publicly GND；The one end first capacitor C1 end V+, described with VCC, the main control module U1 respectively
The end RS of main control module U1,2 feet of the optical flame detector Q1 are connected, and the first capacitor C1 is another to terminate publicly GND；
The one end the 3rd resistor R3 respectively with the end TR of the main control module U1, the end THR of the main control module U1, institute
1 foot for stating optical flame detector Q1 is connected, and the 3rd resistor R3 is another to terminate publicly GND.
As second embodiment of the invention, on the basis of one embodiment, which further includes series connection
Voltage regulator circuit, the serial regulating circuit input terminal are connected with VCC, and the serial regulating circuit output end is respectively with described first
The one end capacitor C1, the end V+ of the main control module U1, the end RS of the main control module U1,2 feet of the optical flame detector Q1 are connected.
As shown in Fig. 2, in the second embodiment, the serial regulating circuit include diode D1, the second triode Q2,
First resistor R1, the one end zener diode ZD1, the diode D1 are connected with VCC, the one end the first resistor R1 respectively, institute
The diode D1 other end is stated to be connected with the second triode Q2 collector；The second triode Q2 emitter respectively with it is described
The one end first capacitor C1, the end V+ of the main control module U1, the end RS of the main control module U1, the optical flame detector Q1 2 foot phases
Even；The second triode Q2 base stage is connected with the first resistor R1 other end, the one end the zener diode ZD1 respectively；
The one end the first resistor R1 is connected with VCC, the one end the diode D1 respectively, the first resistor R1 other end respectively with institute
State the one end zener diode ZD1, the second triode Q2 base stage is connected；Another termination of zener diode ZD1 is publicly
GND；The one end first capacitor C1 end V+, described with the second triode Q2 emitter, the main control module U1 respectively
The end RS of main control module U1,2 feet of the optical flame detector Q1 are connected, and the first capacitor C1 is another to terminate publicly GND.
As shown in figure 3, as third embodiment of the invention, on the basis of one embodiment, the light-operated circuit
Further include the second capacitor C2, second resistance R2, the 5th capacitor C5, described one end second capacitor C2 respectively with the 3rd resistor R3
One end, 1 foot of the optical flame detector Q1, the one end the second resistance R2, the end the main control module U1TR, the main control module
The end U1THR be connected, the second capacitor C2 other end respectively with the 3rd resistor R3 other end, publicly GND is connected；It is described
The one end second resistance R2 respectively with described one end second capacitor C2, the one end the 3rd resistor R3, the optical flame detector Q1 1 foot,
The end the main control module U1TR, the end the main control module U1THR are connected, the second resistance R2 other end respectively with VCC, described
The end RS of main control module U1,2 feet of the optical flame detector Q1, the end V+ of the main control module U1, the one end first capacitor C1 phase
Even；The one end the 5th capacitor C5 is connected with the end DIS of the output terminal SW of optical flame detector, the main control module U1 respectively, described
5th capacitor C5 is another to terminate publicly GND.
As the 4th embodiment of the invention, on the basis of one embodiment, which further includes hysteresis
Enhance module, the hysteresis enhancing module input is connected with the end O of the main control module U1, the hysteresis enhancing module output
End respectively with the end TR of the main control module U1, the end THR of the main control module U1,1 foot of the optical flame detector Q1, the third
The one end resistance R3 is connected.
As shown in figure 4, the hysteresis enhancing module includes third transistor Q3, the 4th resistance in the 4th embodiment
R4, the 5th resistance R5, the third transistor Q3 emitter meet publicly GND, and the third transistor Q3 collector connects described
4th one end resistance R4, the third transistor Q3 base stage connect the one end the 5th resistance R5；The 4th resistance R4 other end
It is electric with the end TR of the main control module U1, the end THR of the main control module U1,1 foot of the optical flame detector Q1, the third respectively
The one end R3 is hindered to be connected；The 5th resistance R5 other end is connected with the end O of the main control module U1.
As shown in figure 5, as the 5th embodiment of the invention, on the basis of second embodiment, the light-operated circuit
It further include the second capacitor C2, second resistance R2, the 5th capacitor C5, hysteresis enhancing module, the hysteresis enhancing module includes third
Triode Q3, the 4th resistance R4, the 5th resistance R5, described one end second capacitor C2 respectively with the one end the 3rd resistor R3, institute
State 1 foot, the one end the second resistance R2, the 4th resistance R4 other end, the end the main control module U1TR, institute of optical flame detector Q1
State the end main control module U1THR be connected, the second capacitor C2 other end respectively with the 3rd resistor R3 other end, publicly
GND is connected；The one end the second resistance R2 respectively with described one end second capacitor C2, the one end the 3rd resistor R3, the light
1 foot, the end the main control module U1TR, the end the main control module U1THR, the 4th resistance R4 other end of sensor Q1 is connected,
The second resistance R2 other end respectively with the end RS of the main control module U1,2 feet of the optical flame detector Q1, the main control module
The end V+ of U1, the one end the first capacitor C1, the second triode Q2 emitter are connected；5th one end capacitor C5 difference
It is connected with the end DIS of the output terminal SW of optical flame detector, the main control module U1, another termination of the 5th capacitor C5 is publicly
GND；The third transistor Q3 emitter meets publicly GND, and the third transistor Q3 collector meets the 4th resistance R4
One end, the third transistor Q3 base stage connect the one end the 5th resistance R5；The 4th resistance R4 other end respectively with it is described
The end TR of main control module U1, the end THR of the main control module U1, the one end the second resistance R2, the optical flame detector Q1 1 foot,
The one end the 3rd resistor R3, described one end second capacitor C2 are connected；The 5th resistance R5 other end and the main control module
The end O of U1 is connected.
The main control module U1 includes NE555 module or NA555 module or SA555 module or SE555 module and other
Same type IC with the same function.NA555 module is the high temperature industrial application version of NE555 module.
Second resistance R2 is linear regulation resistance, and the second capacitor C2 plays filtering and Anti-Jamming, and third capacitor C3 is
Filter capacitor, the 5th capacitor C5 play anti-interference and antistatic protective effect.
Diode D1, the second triode Q2, first resistor R1, zener diode ZD1, first capacitor in circuit of the present invention
C1 forms an easy serial regulating circuit, this circuit can be made reliably to work in wider voltage range and guarantee light sensation
The stabilization of test point, the addition of diode D1 are the defencive functions played when powering +/- extremely reversed.
Optical flame detector Q1 can be phototriode, be also possible to photo resistance and other light sensors, when environment light changes
When its electric current passed through change.When work, when environment light weakens, it can be reduced by the electric current of optical flame detector pole pipe Q1, it should
Electric current is converted to voltage by 3rd resistor R3, feeds back to 2 feet of main control module U1, when the U1 for being reduced to one third powers
When voltage, NA555 module triggering, 3 feet export high level, and 7 feet are OC open-circuit conditions, pass through the output terminal SW endpoint of optical flame detector
It disconnects the shutdown to dimming power source to control, controlled lamps and lanterns are lighted；When ambient light increases, can be increased by the electric current of optical flame detector Q1
Add, which is converted to voltage by 3rd resistor R3,6 feet of main control module U1 is fed back to, when increasing to 2/3rds
When U1 supply voltage, NA555 module can set 0,3 feet output low level, and 7 feet are internal triode on-states over the ground, pass through SW
Pipe control power supply is closed, and controlled lamps and lanterns extinguish.Because NE555 module exports the characteristic of itself, the level needed when setting 1 is
Twice of 0 is set, so that the ambient light intensity turned off the light be made to be twice of the environmental light intensity turned on light, a hysteresis function is formed, avoids
The flashing light problem that environment light occurs when Near The Critical Point has fluctuation.5th resistance R5, third transistor Q3, the 4th resistance R4
A hysteresis enhancing function is constituted, after bright light, NA555 module triggering, 3 feet export high level, and third transistor Q3 is connected,
4th resistance R4 is incorporated to 3rd resistor R3, make voltage conversion sample resistance reduce, optical flame detector Q1 by electric current to increase compared with
More, what the signal for feeding back to 6 feet of main control module U1 can be only achieved 2/3rds U1 supply voltages sets 0 level, to realize back
Stagnant enhancing function, can be the ambient light intensity turned off the light is twice or more of the environmental light intensity turned on light.
The beneficial effects of the present invention are: 1. light-operated circuits of the invention include simple serial regulating circuit, the simple series connection
Voltage regulator circuit makes circuit of the invention reliably work in wider voltage range, guarantees the stabilization of light sensation test point, and keeps
Higher control precision, the reference voltage CV of main control module U1 are available to the reference voltage of the corresponding comparator of THR, usually
2/3rds of V+, pressure stabilizing, which is not added, to work, but test point can change with the variation of V+；2. light-operated circuit of the invention has
There are hysteresis and hysteresis enhancing function, avoids the flashing light problem that environment light occurs when Near The Critical Point has fluctuation.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (8)
1. a kind of light-operated circuit, it is characterised in that: including main control module (U1), optical flame detector (Q1), first capacitor (C1), third electricity
Hold (C3), 3rd resistor (R3),
The end GND of the main control module (U1) is connected with publicly GND；
The end TR of the main control module (U1) and the end THR of the main control module (U1) respectively with 1 foot of the optical flame detector (Q1),
Described 3rd resistor one end (R3) is connected, and the end the THR phase at the end TR of the main control module (U1) and the main control module (U1)
Even；
The end RS of the main control module (U1) respectively with VCC, 2 feet of the optical flame detector (Q1), the main control module (U1) V+
End, first capacitor one end (C1) are connected；
The end V+ of the main control module (U1) respectively with VCC, the one end the first capacitor (C1), the main control module (U1) RS
End, 2 feet of the optical flame detector (Q1) are connected；
The end DIS of the main control module (U1) is connected with the output terminal SW of optical flame detector；
The end CV of the main control module (U1) is connected with described third capacitor (C3) one end, another termination of the third capacitor (C3)
Publicly GND；
Described first capacitor (C1) one end respectively with VCC, the end V+ of the main control module (U1), the main control module (U1) RS
End, 2 feet of the optical flame detector (Q1) are connected, and the first capacitor (C1) is another to terminate publicly GND；
Described 3rd resistor (R3) one end respectively with the end TR of the main control module (U1), the main control module (U1) the end THR,
1 foot of the optical flame detector (Q1) is connected, and the 3rd resistor (R3) is another to terminate publicly GND.
2. light-operated circuit according to claim 1, it is characterised in that: the light-operated circuit further includes serial regulating circuit, institute
Serial regulating circuit input terminal is stated to be connected with VCC, the serial regulating circuit output end respectively with the first capacitor (C1) one
End, the end V+ of the main control module (U1), the end RS of the main control module (U1), 2 feet of the optical flame detector (Q1) are connected.
3. light-operated circuit according to claim 2, it is characterised in that: the serial regulating circuit include diode (D1),
Second triode (Q2), first resistor (R1), zener diode (ZD1), described diode (D1) one end respectively with VCC, described
First resistor one end (R1) is connected, and diode (D1) other end is connected with the second triode (Q2) collector；
Second triode (Q2) emitter V+ with the one end the first capacitor (C1), the main control module (U1) respectively
End, the end RS of the main control module (U1), 2 feet of the optical flame detector (Q1) are connected；
Second triode (Q2) base stage respectively with the first resistor (R1) other end, the zener diode (ZD1) one
End is connected；
Described first resistor (R1) one end is connected with VCC, the one end the diode (D1) respectively, and the first resistor (R1) is another
End is connected with the one end the zener diode (ZD1), second triode (Q2) base stage respectively；
The zener diode (ZD1) is another to terminate publicly GND；
Described first capacitor (C1) one end V+ with the second triode (Q2) emitter, the main control module (U1) respectively
End, the end RS of the main control module (U1), 2 feet of the optical flame detector (Q1) are connected, and another termination of first capacitor (C1) is public
GND altogether.
4. light-operated circuit according to claim 1, it is characterised in that: the light-operated circuit further includes the second capacitor (C2),
Two resistance (R2), the 5th capacitor (C5),
Described second capacitor (C2) one end respectively with the one end the 3rd resistor (R3), 1 foot of the optical flame detector (Q1), described
The one end two resistance (R2), the end the main control module (U1) TR, the main control module end (U1) THR are connected, second capacitor
(C2) other end respectively with the 3rd resistor (R3) other end, publicly GND is connected；
Described second resistance (R2) one end respectively with described second capacitor (C2) one end, one end the 3rd resistor (R3), described
1 foot of optical flame detector (Q1), the end the main control module (U1) TR, the main control module end (U1) THR are connected, the second resistance
(R2) other end respectively with VCC, the end RS of the main control module (U1), 2 feet of the optical flame detector (Q1), the main control module
(U1) the end V+, first capacitor one end (C1) is connected；
Described 5th capacitor (C5) one end is connected with the end DIS of the output terminal SW of optical flame detector, the main control module (U1) respectively,
5th capacitor (C5) is another to terminate publicly GND.
5. light-operated circuit according to claim 1, it is characterised in that: the light-operated circuit further includes hysteresis enhancing module, institute
Hysteresis enhancing module input is stated to be connected with the end O of the main control module (U1), the hysteresis enhance module output end respectively with
The end TR of the main control module (U1), the end THR of the main control module (U1), 1 foot of the optical flame detector (Q1), third electricity
The one end (R3) is hindered to be connected.
6. light-operated circuit according to claim 5, it is characterised in that: the hysteresis enhancing module includes third transistor
(Q3), the 4th resistance (R4), the 5th resistance (R5),
Third transistor (Q3) emitter meets publicly GND, and third transistor (Q3) collector connects the 4th electricity
The one end (R4) is hindered, third transistor (Q3) base stage connects described 5th resistance (R5) one end；
4th resistance (R4) other end THR with the end TR of the main control module (U1), the main control module (U1) respectively
End, 1 foot of the optical flame detector (Q1), 3rd resistor one end (R3) are connected；
5th resistance (R5) other end is connected with the end O of the main control module (U1).
7. light-operated circuit according to claim 3, it is characterised in that: the light-operated circuit further includes the second capacitor (C2),
Two resistance (R2), the 5th capacitor (C5), hysteresis enhance module, and the hysteresis enhancing module includes third transistor (Q3), the 4th
Resistance (R4), the 5th resistance (R5),
Described second capacitor (C2) one end respectively with the one end the 3rd resistor (R3), 1 foot of the optical flame detector (Q1), described
The one end two resistance (R2), the 4th resistance (R4) other end, the end the main control module (U1) TR, the main control module (U1)
The end THR be connected, the second capacitor (C2) other end respectively with the 3rd resistor (R3) other end, publicly GND is connected；
Described second resistance (R2) one end respectively with described second capacitor (C2) one end, one end the 3rd resistor (R3), described
1 foot of optical flame detector (Q1), the end the main control module (U1) TR, the end the main control module (U1) THR, the 4th resistance (R4) are another
One end be connected, second resistance (R2) other end respectively with the end RS of the main control module (U1), the optical flame detector (Q1) 2
Foot, the end V+ of the main control module (U1), the one end the first capacitor (C1), the second triode (Q2) emitter are connected；
Described 5th capacitor (C5) one end is connected with the end DIS of the output terminal SW of optical flame detector, the main control module (U1) respectively,
5th capacitor (C5) is another to terminate publicly GND；
Third transistor (Q3) emitter meets publicly GND, and third transistor (Q3) collector connects the 4th electricity
The one end (R4) is hindered, third transistor (Q3) base stage connects described 5th resistance (R5) one end；
4th resistance (R4) other end THR with the end TR of the main control module (U1), the main control module (U1) respectively
End, the one end the second resistance (R2), 1 foot of the optical flame detector (Q1), the one end the 3rd resistor (R3), second capacitor
(C2) one end is connected；
5th resistance (R5) other end is connected with the end O of the main control module (U1).
8. light-operated circuit according to any one of claims 1 to 7, it is characterised in that: the main control module (U1) includes
NE555 module or NA555 module or SA555 module or SE555 module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470581.8A CN110139446B (en) | 2019-05-31 | Light-operated circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470581.8A CN110139446B (en) | 2019-05-31 | Light-operated circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110139446A true CN110139446A (en) | 2019-08-16 |
| CN110139446B CN110139446B (en) | 2024-11-12 |
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| DE202016106478U1 (en) * | 2016-10-21 | 2016-12-02 | Taizhou City Dadi Light Decorations Co., Ltd. | Dimmable time remote control low voltage lamp chain |
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