CN107734766A - A kind of flashlight ripple peak restrained formula control circuit - Google Patents
A kind of flashlight ripple peak restrained formula control circuit Download PDFInfo
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- CN107734766A CN107734766A CN201711071797.4A CN201711071797A CN107734766A CN 107734766 A CN107734766 A CN 107734766A CN 201711071797 A CN201711071797 A CN 201711071797A CN 107734766 A CN107734766 A CN 107734766A
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- resistance
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- pole
- operational amplifier
- igct
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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]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of flashlight ripple peak restrained formula control circuit, it is characterised in that：Mainly by triode VT, IGCT VS, light emitting diode VD, filtering and amplifying circuit, flash lamp BL, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, diode D1 and voltage-regulator diode D2 diodes D2 compositions.The structure of the present invention is simple and cost is relatively low, is also convenient for safeguarding, and its is reasonable in design, the stability that circuit is run when can ensure that use, so as to improve the service life of signal lamp, while also cause the electronic device in control circuit to be not easy to be damaged, be adapted to promote the use.
Description
Technical field
The present invention relates to a kind of control circuit, more particularly to a kind of flashlight to control electricity with ripple peak restrained formula
Road.
Background technology
Flashlight is played a part of prompting by way of flash of light or transmits signal, is come mostly using control circuit
Flashlight work, control circuit control flashlight conducting and deenergization are controlled, so as to realize that signal lamp is dodged
Light.Control circuit currently used for flashlight is not only complicated to be not easy to safeguard, and less stable when running, from
And the service life of signal lamp is influenceed, while the electronic device in control circuit is also easily damaged.
The content of the invention
It is an object of the invention to overcome the control circuit of current flashlight is not only complicated to be not easy to safeguard, and
And when running the defects of less stable, there is provided one kind, which is not only simple in structure, to be easy to safeguard, and stability is preferably glistened letter
Signal lamp ripple peak restrained formula control circuit.
The present invention is achieved through the following technical solutions：
A kind of flashlight ripple peak restrained formula control circuit, mainly by triode VT, IGCT VS, positive pole warp
It is connected after resistance R3 with triode VT1 colelctor electrode, the electric capacity that negative pole is connected after resistance R1 with triode VT1 base stage
C1, the electric capacity C2 that positive pole is connected with electric capacity C1 negative pole, negative pole is connected with IGCT VS anode, positive pole is after resistance R2
It is connected with triode VT1 emitter stage, electric capacity C3, the P pole of negative pole ground connection is connected with triode VT emitter stage, N poles warp
Diode D1, the P pole being connected after resistance R4 with electric capacity C1 positive pole is connected with electric capacity C1 positive pole, N poles are through flash lamp BL
The voltage-regulator diode D2 being connected afterwards with IGCT VS anode, the amplification being serially connected between voltage-regulator diode D2 and flash lamp BL
Filter circuit, positive pole is connected after resistance R5 with voltage-regulator diode D2 N poles, negative pole is connected with IGCT VS negative electrode
Electric capacity C4, P pole is connected with electric capacity C4 positive pole, N poles are connected after resistance R7 and resistance R8 with IGCT VS negative electrode successively
The light emitting diode VD connect, the resistance R6 being serially connected between electric capacity C4 negative pole and light emitting diode VD P poles, and one end with
The resistance R9 compositions that resistance R7 and resistance R8 tie point are connected, the other end is connected with IGCT VS control pole；It is described
Electric capacity C1 positive pole and negative pole composition power input；
The filtering and amplifying circuit is serially connected in voltage-regulator diode D2 N by operational amplifier P101, operational amplifier P102
Resistance R101 between pole and operational amplifier P101 negative input end, positive pole are connected with operational amplifier P101 negative input end
Connect, electric capacity C101, the P pole of negative pole ground connection is connected after resistance R102 with electric capacity C101 negative pole, N poles and operational amplifier
The diode D100 that P101 output end is connected, positive pole is connected with operational amplifier P101 positive input terminal, negative pole and fortune
The electric capacity C102 that amplifier P101 output end is connected is calculated, positive pole is connected with operational amplifier P102 positive input terminal, born
The electric capacity C103 that pole is connected with operational amplifier P102 output end, and be serially connected in diode D100 P poles and put with computing
Resistance R103 compositions between big device P102 output end；The output end of the operational amplifier P102 after flash lamp BL with crystalline substance
Brake tube VS anode is connected, and its negative input end is connected with operational amplifier P101 output end.
Further, the operational amplifier P101 and operational amplifier P102 is that LM358 single supply general-purpose operations are put
Big device.
Further, the IGCT VS is KP type IGCTs, and its specified average current is 1A, its rated peak voltage
For 500V.
Further, the light emitting diode VD is BT201 type light emitting diodes.
In order to ensure effect, the triode VT is 9014 type triodes.
The present invention compared with prior art, has advantages below and beneficial effect：
(1) structure of the invention is simple and cost is relatively low, is also convenient for safeguarding, and its is reasonable in design, can ensure that use
When circuit operation stability, so as to improve the service life of signal lamp, while also cause the electronic device in control circuit
It is not easy to be damaged.
(2) triode VT of the invention and resistance R1, resistance R2, resistance R3, resistance R4, electric capacity C1, electric capacity C2, electric capacity C3
And diode D1 can form ripple peak restrained circuit, the ripple peak restrained circuit can be carried out the harmonic wave in input power
Eliminate or suppress, and wave energization pressure and unrestrained galvanization can be suppressed, so as to can ensure that stability during present invention operation, i.e.,
The electronic component of the present invention can be prevented to be damaged.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the circuit diagram of the filtering and amplifying circuit of the present invention.
Embodiment
The present invention is described in further detail with reference to embodiment, but the implementation of the present invention is not limited to this.
Embodiment
As shown in figure 1, the flashlight ripple peak restrained formula control circuit of the present invention, mainly by triode VT,
IGCT VS, light emitting diode VD, filtering and amplifying circuit, flash lamp BL, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, resistance
R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, diode D1 and voltage stabilizing two
Pole pipe D2 diodes D2 is formed.Wherein, the flash lamp BL can be the flash of light of a light source or multiple light sources composition
Light bar.Generally, flash lamp BL is realized from red globe lamp, according to using the coloured light for needing flash lamp BL that other colors also may be selected
Lamp is realized.
During connection, the colelctor electrode of the positive pole of the electric capacity C1 with triode VT after resistance R3 is connected, and its negative pole is through electricity
It is connected after resistance R1 with triode VT base stage.The positive pole of the electric capacity C2 is connected with electric capacity C1 negative pole, its negative pole and crystalline substance
Brake tube VS anode is connected.Emitter stage of the positive pole of the electric capacity C3 with triode VT after resistance R2 is connected, its negative pole
Ground connection.The P poles of the diode D1 are connected with triode VT emitter stage, its positive pole of N poles after resistance R4 with electric capacity C1
It is connected.The P poles of the voltage-regulator diode D2 are connected with electric capacity C1 positive pole, its N pole after flash lamp BL with IGCT VS
Anode be connected.The filtering and amplifying circuit is serially connected between voltage-regulator diode D2 and flash lamp BL.The electric capacity C4 is just
Pole is connected after resistance R5 with voltage-regulator diode D2 N poles, and its negative pole is connected with IGCT VS negative electrode.Described luminous two
Pole pipe VD P poles are connected with electric capacity C4 positive pole, its N pole negative electrode phase after resistance R7 and resistance R8 with IGCT VS successively
Connection.The resistance R6 is serially connected between electric capacity C4 negative pole and light emitting diode VD P poles；One end of the resistance R9 and electricity
Resistance R7 is connected with resistance R8 tie point, and its other end is connected with IGCT VS control pole.The positive pole of the electric capacity C1
Power input, the external 220V civil powers of the power input are formed with negative pole.
During operation, the triode VT and resistance R1, resistance R2, resistance R3, resistance R4, electric capacity C1, electric capacity C2, electric capacity C3
And diode D1 collectively constitutes ripple peak restrained circuit, the ripple peak restrained circuit can enter the harmonic wave in input power
Row is eliminated or suppressed, and wave energization pressure and unrestrained galvanization can be suppressed, so as to can ensure that stability during present invention operation,
The electronic component of the present invention can be prevented to be damaged.During implementation, the resistance R1 and resistance R4 resistance is 800 Ω, institute
The resistance for stating resistance R2 and resistance R3 is 680 Ω, and the electric capacity C1 and electric capacity C2 capacitance is 220 μ F, the electric capacity C3
Capacitance be 120 μ F.Meanwhile the diode D1 then uses 9014 types three using 1N4007 type diodes, triode VT1
Pole pipe is realized.
The voltage-regulator diode D2 can then play a part of voltage stabilizing, and during implementation, voltage-regulator diode D2 uses 2CW110 types
Voltage-regulator diode is realized.The electric capacity C4 is used to control being turned on and off for IGCT VS, so as to control flash lamp BL to light
Flicker, electric capacity C4 capacitance is also set to 220 μ F, the IGCT VS and then realized from KP types IGCT in the present embodiment, and
IGCT VS specified average current is 1A, and its rated peak voltage is 500V.Specifically, when the present invention switches on power, electric capacity
C4 is charged, and IGCT VS control pole is in the state of high level, then IGCT VS negative electrode and anode conducting, flash lamp BL are led
Lead to and light.Start to discharge after electric capacity C4 charging completes, IGCT VS control pole is in low level state, then IGCT VS
Negative electrode and anodal opening, flash lamp BL power-off.Charge after the completion of electric capacity C4 electric discharges, discharged again after charging complete again,
Electric capacity C4 charging and discharging repeatedly can cause flash lamp BL to be glistened according to certain time interval.
Wherein, the resistance R5 and resistance R6 is used for partial pressure current limliting, and resistance R5 is realized using the resistance of big resistance, this reality
Apply in example, resistance R5 uses resistance to realize that the resistance R6 then uses resistance as 30K Ω or so for 150K Ω or so resistance
Resistance realize.Can be by regulation resistance R5, resistance R6 and electric capacity C4 numerical value during implementation, and then change flash lamp BL and dodge
Bright time and frequency.The light emitting diode VD is used for the working condition for showing whole circuit, when the control circuit of the present invention
After switching on power, light emitting diode VD lights, and after the control circuit deenergization of the present invention, light emitting diode VD extinguishes, this
Light emitting diode VD in embodiment is realized using BT201 types light emitting diode.The resistance of resistance R7 in the present embodiment is
0.8K Ω, the resistance R8 resistance are 680 Ω, and the resistance of the resistance of the resistance R9 is 1.2K Ω.The resistance R9 is used
It in decompression current limliting, can prevent that electric current is excessive and damages IGCT VS, therefore the effect of protection can be formed to IGCT VS.
As shown in Fig. 2 the filtering and amplifying circuit is by operational amplifier P101, operational amplifier P102, resistance R101, electricity
Hinder R102, resistance R103, electric capacity C101, electric capacity C102, electric capacity C103 and diode D100 composition.Wherein, the computing is put
Big device P101 and operational amplifier P102 is using LM358 single supply general-purpose operation amplifiers, and the diode D100 is then
Using 1N4007 type diodes.The capacitance of the electric capacity C101 is that 47 μ F, electric capacity C102 and electric capacity C103 capacitance are then 120 μ
F.The resistance of the resistance R101 is that 0.6K Ω, the resistance R102 and resistance R103 resistance are 0.8K Ω.
During connection, the resistance R101 is serially connected in voltage-regulator diode D2 N poles and operational amplifier P101 negative input end
Between.The positive pole of the electric capacity C101 is connected with operational amplifier P101 negative input end, its negative pole ground connection.The diode
Negative pole of the D100 P poles with electric capacity C101 after resistance R102 is connected, and its N pole is connected with operational amplifier P101 output end
Connect.The positive pole of the electric capacity C102 is connected with operational amplifier P101 positive input terminal, its negative pole and operational amplifier P101
Output end be connected.The positive pole of the electric capacity C103 is connected with operational amplifier P102 positive input terminal, its negative pole and fortune
The output end for calculating amplifier P102 is connected.The resistance R103 is serially connected in diode D100 P poles and operational amplifier P102
Output end between.
Meanwhile anode of the output end of the operational amplifier P102 with IGCT VS after flash lamp BL is connected, its
Negative input end is connected with operational amplifier P101 output end.The present invention is set between voltage-regulator diode D2 and flash lamp BL
Filtering and amplifying circuit, processing can be filtered to input flash lamp BL and the signal for controlling flash lamp BL to open and close, so as to filter out control
The clutter of signal processed, so that control signal is more stable, and it can more accurately control flash lamp BL, moreover it is possible to ensure flash lamp BL's
Service life.
The structure of the present invention is simple and cost is relatively low, is also convenient for safeguarding, and its is reasonable in design, electricity when can ensure that use
The stability of road operation, so as to improve the service life of signal lamp, while also the electronic device in control circuit is not easy
It is damaged.The triode VT and resistance R1, resistance R2, resistance R3, resistance R4, electric capacity C1, electric capacity C2, electric capacity C3 and two poles
Pipe D1 can form ripple peak restrained circuit, and the harmonic wave in input power can be eliminated or pressed down by the ripple peak restrained circuit
System, and can be powered to wave pressure and unrestrained galvanization suppress, so as to can ensure that stability during present invention operation, you can prevent this
The electronic component of invention is damaged.
As described above, it can preferably realize the present invention.
Claims (5)
- A kind of 1. flashlight ripple peak restrained formula control circuit, it is characterised in that：Mainly by triode VT, IGCT VS, positive pole is connected after resistance R3 with triode VT1 colelctor electrode, base stage phase of the negative pole after resistance R1 with triode VT1 The electric capacity C1 of connection, the electric capacity C2 that positive pole is connected with electric capacity C1 negative pole, negative pole is connected with IGCT VS anode, positive pole Be connected after resistance R2 with triode VT1 emitter stage, negative pole ground connection electric capacity C3, P pole and triode VT emitter stage phase Diode D1, the P pole that connection, N poles are connected after resistance R4 with electric capacity C1 positive pole is connected with electric capacity C1 positive pole, N poles The voltage-regulator diode D2 being connected after flash lamp BL with IGCT VS anode, is serially connected in voltage-regulator diode D2 and flash lamp BL Between filtering and amplifying circuit, positive pole is connected after resistance R5 with voltage-regulator diode D2 N poles, negative pole and IGCT VS the moon Electric capacity C4, the P pole that pole is connected is connected with electric capacity C4 positive pole, N poles successively after resistance R7 and resistance R8 with IGCT VS Negative electrode the light emitting diode VD, the resistance R6 being serially connected between electric capacity C4 negative pole and light emitting diode VD P poles that are connected, And the resistance R9 that one end is connected with resistance R7 and resistance R8 tie point, the other end is connected with IGCT VS control pole Composition；The positive pole of the electric capacity C1 and negative pole composition power input；The filtering and amplifying circuit by operational amplifier P101, operational amplifier P102, be serially connected in voltage-regulator diode D2 N poles with Resistance R101 between operational amplifier P101 negative input end, positive pole is connected with operational amplifier P101 negative input end, Electric capacity C101, the P pole of negative pole ground connection is connected after resistance R102 with electric capacity C101 negative pole, N poles and operational amplifier P101 The diode D100 that is connected of output end, positive pole is connected with operational amplifier P101 positive input terminal, negative pole and computing are put The electric capacity C102 that big device P101 output end is connected, positive pole is connected with operational amplifier P102 positive input terminal, negative pole and The electric capacity C103 that operational amplifier P102 output end is connected, and it is serially connected in diode D100 P poles and operational amplifier Resistance R103 compositions between P102 output end；The output end of the operational amplifier P102 after flash lamp BL with IGCT VS anode is connected, and its negative input end is connected with operational amplifier P101 output end.
- A kind of 2. flashlight according to claim 1 ripple peak restrained formula control circuit, it is characterised in that：Institute It is LM358 single supply general-purpose operation amplifiers to state operational amplifier P101 and operational amplifier P102.
- A kind of 3. flashlight according to claim 1 ripple peak restrained formula control circuit, it is characterised in that：Institute It is KP type IGCTs to state IGCT VS, and its specified average current is 1A, and its rated peak voltage is 500V.
- A kind of 4. flashlight according to claim 1 ripple peak restrained formula control circuit, it is characterised in that：Institute It is BT201 type light emitting diodes to state light emitting diode VD.
- A kind of 5. flashlight buffer-type control circuit according to claim 1, it is characterised in that：The triode VT is 9014 type triodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711071797.4A CN107734766A (en) | 2017-11-03 | 2017-11-03 | A kind of flashlight ripple peak restrained formula control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711071797.4A CN107734766A (en) | 2017-11-03 | 2017-11-03 | A kind of flashlight ripple peak restrained formula control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107734766A true CN107734766A (en) | 2018-02-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711071797.4A Pending CN107734766A (en) | 2017-11-03 | 2017-11-03 | A kind of flashlight ripple peak restrained formula control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107734766A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021248266A1 (en) * | 2020-06-08 | 2021-12-16 | Tridonic Gmbh & Co Kg | Ripple suppression circuit, controlling method and driving equipment |
-
2017
- 2017-11-03 CN CN201711071797.4A patent/CN107734766A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021248266A1 (en) * | 2020-06-08 | 2021-12-16 | Tridonic Gmbh & Co Kg | Ripple suppression circuit, controlling method and driving equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180223 |
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| WD01 | Invention patent application deemed withdrawn after publication |