CN107666758A - A kind of ripple peak restrained buffer-type emergency light circuit - Google Patents
A kind of ripple peak restrained buffer-type emergency light circuit Download PDFInfo
- Publication number
- CN107666758A CN107666758A CN201711018294.0A CN201711018294A CN107666758A CN 107666758 A CN107666758 A CN 107666758A CN 201711018294 A CN201711018294 A CN 201711018294A CN 107666758 A CN107666758 A CN 107666758A
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- diode
- pole
- triode
- electric capacity
- poles
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
Abstract
The invention discloses a kind of ripple peak restrained buffer-type emergency light circuit, it is characterised in that：Mainly by constant-current source circuit, diode rectifier U, triode VT1, triode VT2, triode VT3, battery GB, emergency light BL, switch KA, inductance L, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, resistance R1, resistance R2, resistance R3, resistance R4, diode D1, diode D2, voltage-regulator diode D3, diode D4 and diode D5 are formed.The present invention be not only simple in structure and cost is relatively low, be also convenient for safeguarding；The present invention is reasonable in design, and battery GB can be charged in mains supply normal use, and can then be powered when mains supply disconnects by battery GB, so that emergency light BL is lighted automatically, you can carries out emergency lighting, is adapted to promote the use.
Description
Technical field
The present invention relates to a kind of ripple peak restrained buffer-type emergency light circuit.
Background technology
Emergency light can power off in normal power source or because the device being illuminated after the power-off of fire-fighting accident, although emergency light is not
Often use, but be essential in the building of modernization.Domestic power supply is more sufficient at present, emergency light using less,
Therefore need periodically to carry out Inspection and maintenance to emergency light, to ensure that emergency light can normal use.Control currently used for emergency light
Circuit structure processed is more complicated, relatively more using electronic component so that control circuit cost is higher, while is also inconvenient for safeguarding
Maintenance.
The content of the invention
It is emergent to expect to simplify it is an object of the invention to provide a kind of ripple peak restrained buffer-type emergency light circuit
The structure of circuit for lamp, in order to Maintenance and Repair, while cost can also be reduced.
The present invention is achieved through the following technical solutions：
A kind of ripple peak restrained buffer-type emergency light circuit, mainly by constant-current source circuit, diode rectifier U, three poles
Pipe VT1, triode VT2, triode VT3, battery GB, an input of positive pole and diode rectifier U collectively constitute electricity
The electric capacity C1 that source input, negative pole are connected with diode rectifier U another input, the resistance being in parallel with electric capacity C1
R1, P pole are connected with diode D1, the P pole that N is extremely connected with constant-current source circuit after inductance L with diode D1 N poles, N
The diode D2 that pole is connected with diode D1 P poles, positive pole is connected with diode D1 N poles, negative pole and diode D2 P
The electric capacity C2 that pole is connected, the electric capacity C3 that positive pole is connected with diode D1 N poles, negative pole is connected with diode D1 P poles,
The voltage-regulator diode D3 that P poles are connected with electric capacity C3 negative pole, N poles are connected with electric capacity C3 positive pole, positive pole is after resistance R2
It is connected with triode VT1 colelctor electrode, electric capacity C4, P pole that negative pole is connected with electric capacity C3 negative pole and triode VT1 collection
Base stage phase of diode D4, the P pole that electrode is connected, N poles are connected with electric capacity C4 positive pole after resistance R3 with triode VT2
The diode D5 that connection, N poles are connected after resistance R4 with triode VT2 colelctor electrode, it is serially connected in triode VT3 emitter stage
Emergency light BL between battery GB negative pole, and be serially connected in triode VT3 colelctor electrode and battery GB positive pole it
Between switch KA composition；The P poles of the diode D5 are connected with electric capacity C3 positive pole, its N pole and triode VT3 colelctor electrode
It is connected；The base stage of the triode VT1 is connected with electric capacity C3 positive pole, and its emitter stage is connected with electric capacity C3 negative pole；
The colelctor electrode of the triode VT2 is connected with triode VT3 base stage, the negative pole with electric capacity C3 and the electric power storage respectively of its emitter stage
Pond GB negative pole is connected；
The constant-current source circuit is then by operational amplifier P1, and operational amplifier P2, triode VT4, positive pole is after resistance R6
It is connected with operational amplifier P1 positive input terminal, the electric capacity C5 that negative pole is connected with operational amplifier P2 negative input end, goes here and there
The resistance R5 being connected between operational amplifier P1 negative input end and operational amplifier P2 output end, positive pole and operational amplifier
Put after resistance R7 with computing electric capacity C6, the P pole that P2 negative input end is connected, negative pole is connected with triode VT4 base stage
Big device P1 output end is connected, the diode D6 that N poles are connected after resistance R8 with triode VT4 colelctor electrode, and P poles
It is connected with triode VT4 emitter stage, two that N poles are connected after resistance R9 with diode rectifier U cathode output end
Pole pipe D7 is formed；The positive input terminal of the operational amplifier P1 is connected with diode rectifier U cathode output end；Described two
Pole pipe D1 N poles are connected with diode D6 N poles, and its P pole is connected with diode D7 P poles.
Further, the triode VT1 is 3AX51 triodes, and triode VT2 is 3DG6 triodes, triode VT3 with
Triode VT4 is 3DD50 triodes.
Further, the diode rectifier U is the diode rectifier of four 1N4001 commutation diodes compositions.
Further, the diode D1 and diode D2 and diode D4~D7 is the pole of 1N4001 rectifications two
Pipe, voltage-regulator diode D3 is 2CW105 voltage-regulator diodes.
In order to ensure effect, the operational amplifier P1 and operational amplifier P2 is that LM358 single supply general-purpose operations are put
Big device.
The present invention compared with prior art, has advantages below and beneficial effect：
(1) it is of the invention to be not only simple in structure and cost is relatively low, it is also convenient for safeguarding.The present invention is reasonable in design, in electricity
Battery GB can be charged during the normal use of source, and can then be powered when power supply disconnects by battery GB, so that emergent
Lamp BL is lighted automatically, you can carries out emergency lighting.
(2) diode D1 of the invention can form a ripple peak restrained electricity with diode D2, electric capacity C2 and inductance L
Road, harmonic wave in input voltage can be eliminated or suppressed, and can be powered to wave pressure and unrestrained galvanization suppress, so as to effectively
Prevent electronic component in circuit to be damaged.
(3) triode VT1 of the invention can also form a buffer circuit with resistance R2, electric capacity C4 and diode D4,
The voltage and current waveform that electronic component is born when can be to circuit turn-on and shut-off is adjusted or buffered, and reduces voltage and electricity
The impact to electronic component is flowed, and the waveform of voltage and current can be made to keep stable state, circuit can be reduced in turn-on and turn-off
When loss to voltage and current, so as to the electronic component in further protection circuit, while the profit of the present invention can also be improved
With rate.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the structure chart of the constant-current source 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, 2, ripple peak restrained buffer-type emergency light circuit of the invention, mainly by constant-current source circuit, two
Pole pipe rectifier U, triode VT1, triode VT2, triode VT3, battery GB, emergency light BL, switch KA, inductance L, electric capacity
C1, electric capacity C2, electric capacity C3, electric capacity C4, resistance R1, resistance R2, resistance R3, resistance R4, diode D1, diode D2, voltage stabilizing two
Pole pipe D3, diode D4 and diode D5 are formed.Wherein, the battery GB is using 6V batteries, and emergency light BL is then
Using 6V, 0.3A illuminating lamp.
During connection, the positive pole of the electric capacity C1 collectively constitutes power input with a diode rectifier U input,
Its negative pole is connected with diode rectifier U another input, and the power supply that the present invention uses is 220V civil powers.The resistance
R1 is in parallel with electric capacity C1.The P poles of the diode D1 are extremely connected with N with constant-current source circuit.The P poles of the diode D2
It is connected after inductance L with diode D1 N poles, its N pole is connected with diode D1 P poles.The positive pole of the electric capacity C2 with
Diode D1 N poles are connected, and its negative pole is connected with diode D2 P poles.The positive pole of the electric capacity C3 and diode D1 N
Pole is connected, and its negative pole is connected with diode D1 P poles.The P poles of the voltage-regulator diode D3 are connected with electric capacity C3 negative pole
Connect, its N pole is connected with electric capacity C3 positive pole.
Colelctor electrode of the positive pole of the electric capacity C4 with triode VT1 after resistance R2 is connected, and its negative pole is with electric capacity C3's
Negative pole is connected.The P poles of the diode D4 are connected with triode VT1 colelctor electrode, and its N pole is connected with electric capacity C4 positive pole
Connect.Base stage of the P poles of the diode D5 with triode VT2 after resistance R3 is connected, its N pole after resistance R4 with triode
VT2 colelctor electrode is connected.The emergency light BL is serially connected between triode VT3 emitter stage and battery GB negative pole, institute
Switch KA is stated to be serially connected between triode VT3 colelctor electrode and battery GB positive pole.
Meanwhile the P poles of the diode D5 are connected with electric capacity C3 positive pole, its N pole and triode VT3 colelctor electrode phase
Connection.The base stage of the triode VT1 is connected with electric capacity C3 positive pole, and its emitter stage is connected with electric capacity C3 negative pole.Institute
The colelctor electrode for stating triode VT2 is connected with triode VT3 base stage, its emitter stage negative pole and battery with electric capacity C3 respectively
GB negative pole is connected.
As shown in Fig. 2 the constant-current source circuit is then by operational amplifier P1, operational amplifier P2, triode VT4, electric capacity
C5, electric capacity C6, resistance R5~R9, diode D6 and diode D7 are formed.In order to ensure the practical effect of the present invention, institute
Triode VT4 is stated using 3DD50 triodes to realize, diode D6 and diode D7 then using 1N4001 commutation diodes come
Realize.The resistance of the electric capacity C5 is 220 μ F, and electric capacity C6 is 470 μ F.The resistance of the resistance R5 is 1k Ω, and resistance R6 is 600
Ω, resistance R7 and resistance R8 resistance are 800 Ω, and resistance R9 resistance is 1.2k Ω.The operational amplifier P1 and computing
Amplifier P2 is realized using LM358 single supply general-purpose operation amplifiers.
During connection, the positive pole of the electric capacity C5 is connected after resistance R6 with operational amplifier P1 positive input terminal, negative pole
It is connected with operational amplifier P2 negative input end, the resistance R5 is serially connected in operational amplifier P1 negative input end and computing is put
Between big device P2 output end.The positive pole of the electric capacity C6 is connected with operational amplifier P2 negative input end, its negative pole and three
Pole pipe VT4 base stage is connected.Output end of the P poles of the diode D6 with operational amplifier P1 after resistance R7 is connected,
Its colelctor electrode of N poles with triode VT4 after resistance R8 is connected.The P poles of the diode D7 and triode VT4 emitter stage
It is connected, its cathode output end of N poles with diode rectifier U after resistance R9 is connected.The operational amplifier P1 is just
Input is connected with diode rectifier U cathode output end；The N poles of the diode D1 are extremely connected with diode D6 N
Connect, its P pole is connected with diode D7 P poles.
In use, constant-current source circuit can be handled the foreign current of input, so that it is guaranteed that the present invention possess it is constant
Operating current, avoid it from producing electromagnetic interference signal during work, greatly improve the stability of the present invention.Closure
KA is switched, the resistance R1 and electric capacity C1 and diode rectifier U form step-down rectifying circuit, for the civil power electricity to 220V
Source carries out step-down rectifier processing.Wherein, diode rectifier U is the diode rectification of four 1N4001 commutation diodes compositions
Device, the resistance of the resistance R1 be 1M Ω, and electric capacity C1 then uses capacitance to be realized for 1.5 μ F electric capacity, can will after decompression
220V power supplys are reduced to 24V.The diode D1 and diode D2, electric capacity C2 and inductance L can form a ripple peak restrained
Circuit, harmonic wave in input voltage can be eliminated or suppressed, and can be powered to wave pressure and unrestrained galvanization suppress, so as to have
Effect prevents electronic component in circuit to be damaged.Wherein, the diode D1 and diode D2 is whole using 1N4001
Diode is flowed, inductance L is then using 40 μ h annular common mode inductance.The electric capacity C3 is used to be filtered again, voltage stabilizing two
Pole pipe D3 can then play a part of voltage stabilizing.During implementation, the capacitance of the electric capacity C3 can use 100 μ F, the voltage-regulator diode
D3 can then be realized using 2CW105 voltage-regulator diodes.
Triode VT1 in the present invention can form a buffer circuit with resistance R2, electric capacity C4 and diode D4, can be right
The voltage and current waveform that electronic component is born when circuit turn-on and shut-off is adjusted or buffered, and reduces voltage and current pair
The impact of electronic component, and the waveform of voltage and current can be made to keep stable state, circuit can be reduced in turn-on and turn-off pair
The loss of voltage and current, so as to the electronic component in protection circuit, while the utilization rate of the present invention can also be improved.Wherein,
The triode VT1 realizes that diode D4 is also realized using 1N4001 commutation diodes, resistance using 3AX51 triodes
R2 resistance selects 0.8k Ω, and electric capacity C4 capacitance then selects 22 μ F.
When mains supply normal use, the triode VT2 conductings, triode VT3 cut-offs, emergency light BL, which is in, to be extinguished
State.Meanwhile mains supply can charge to battery GB.During implementation, the triode VT2 uses 3DG6 triodes, triode
VT3 then uses 3DD50 triodes.In order to ensure practical effect, the resistance of the resistance R3 is 5.1k Ω, and resistance R4 is 1k
Ω, diode D5 are also then realized using 1N4001 commutation diodes.When mains supply has a power failure or needs power-off because of fire-fighting, institute
Battery GB power supplies, triode VT3 conductings are stated, emergency light BL is lit, you can carries out emergency lighting.
The present invention be not only simple in structure and cost is relatively low, be also convenient for safeguarding.The present invention is reasonable in design, in civil power electricity
Battery GB can be charged during the normal use of source, and can then be powered when mains supply disconnects by battery GB, so that
Emergency light BL is lighted automatically, you can carries out emergency lighting.Meanwhile described diode D1 and diode D2, electric capacity C2 and electricity
Sense L can form a ripple peak restrained circuit, harmonic wave in input voltage can be eliminated or suppressed, and the pressure that can be powered to wave
Suppressed with unrestrained galvanization, be damaged so as to be effectively prevented electronic component in circuit.The triode VT1 of the present invention and electricity
Resistance R2, electric capacity C4 and diode D4 can also form a buffer circuit, and circuit turn-on and electronic component during shut-off can be held
The voltage and current waveform received is adjusted or buffered, and reduces impact of the voltage and current to electronic component, and can make voltage and
The waveform of electric current keeps stable state, loss of the circuit in turn-on and turn-off to voltage and current can be reduced, so as to enter one
The electronic component in protection circuit is walked, while the utilization rate of the present invention can also be improved.
As described above, it can preferably realize the present invention.
Claims (5)
- A kind of 1. ripple peak restrained buffer-type emergency light circuit, it is characterised in that：Mainly by constant-current source circuit, diode rectification Device U, triode VT1, triode VT2, triode VT3, battery GB, an input of positive pole and diode rectifier U are total to The electric capacity C1 being connected with composition power input, negative pole with diode rectifier U another input, with electric capacity C1 phases simultaneously N pole of diode D1, the P pole that resistance R1, P pole and the N of connection are extremely connected with constant-current source circuit after inductance L with diode D1 It is connected, the diode D2 that N poles are connected with diode D1 P poles, positive pole is connected with diode D1 N poles, negative pole and two The electric capacity C2 that pole pipe D2 P poles are connected, positive pole is connected with diode D1 N poles, negative pole is connected with diode D1 P poles Electric capacity C3, P pole be connected with electric capacity C3 negative pole, the voltage-regulator diode D3 that N poles are connected with electric capacity C3 positive pole, positive pole warp It is connected after resistance R2 with triode VT1 colelctor electrode, electric capacity C4, P pole and three poles that negative pole is connected with electric capacity C3 negative pole Diode D4, the P pole that pipe VT1 colelctor electrode is connected, N poles are connected with electric capacity C4 positive pole after resistance R3 with triode The diode D5 that VT2 base stage is connected, N poles are connected after resistance R4 with triode VT2 colelctor electrode, is serially connected in triode Emergency light BL between VT3 emitter stage and battery GB negative pole, and it is serially connected in triode VT3 colelctor electrode and battery Switch KA compositions between GB positive pole；The P poles of the diode D5 are connected with electric capacity C3 positive pole, its N pole and triode VT3 colelctor electrode is connected；The base stage of the triode VT1 is connected with electric capacity C3 positive pole, and its emitter stage is with electric capacity C3's Negative pole is connected；The colelctor electrode of the triode VT2 is connected with triode VT3 base stage, its emitter stage respectively with electric capacity C3 Negative pole be connected with battery GB negative pole；The constant-current source circuit then by operational amplifier P1, operational amplifier P2, triode VT4, positive pole after resistance R6 with fortune Calculation amplifier P1 positive input terminal is connected, the electric capacity C5 that negative pole is connected with operational amplifier P2 negative input end, is serially connected in Resistance R5 between operational amplifier P1 negative input end and operational amplifier P2 output end, positive pole is with operational amplifier P2's Electric capacity C6, the P pole that negative input end is connected, negative pole is connected with triode VT4 base stage after resistance R7 with operational amplifier The diode D6 that P1 output end is connected, N poles are connected after resistance R8 with triode VT4 colelctor electrode, and P poles and three The diode that pole pipe VT4 emitter stage is connected, N poles are connected after resistance R9 with diode rectifier U cathode output end D7 is formed；The positive input terminal of the operational amplifier P1 is connected with diode rectifier U cathode output end；The diode D1 N poles are connected with diode D6 N poles, and its P pole is connected with diode D7 P poles.
- A kind of 2. ripple peak restrained buffer-type emergency light circuit according to claim 1, it is characterised in that：Three pole Pipe VT1 is 3AX51 triodes, and triode VT2 is 3DG6 triodes, and triode VT3 and triode VT4 is 3DD50 triodes.
- A kind of 3. ripple peak restrained buffer-type emergency light circuit according to claim 1, it is characterised in that：Two pole Pipe rectifier U is the diode rectifier of four 1N4001 commutation diodes compositions.
- A kind of 4. ripple peak restrained buffer-type emergency light circuit according to claim 1, it is characterised in that：Two pole Pipe D1 and diode D2 and diode D4~D7 is 1N4001 commutation diodes, and voltage-regulator diode D3 is 2CW105 voltage stabilizings two Pole pipe.
- A kind of 5. simple type emergency light circuit according to claim 1, it is characterised in that：The operational amplifier P1 and fortune It is LM358 single supply general-purpose operation amplifiers to calculate amplifier P2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711018294.0A CN107666758A (en) | 2017-10-27 | 2017-10-27 | A kind of ripple peak restrained buffer-type emergency light circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711018294.0A CN107666758A (en) | 2017-10-27 | 2017-10-27 | A kind of ripple peak restrained buffer-type emergency light circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107666758A true CN107666758A (en) | 2018-02-06 |
Family
ID=61097765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711018294.0A Pending CN107666758A (en) | 2017-10-27 | 2017-10-27 | A kind of ripple peak restrained buffer-type emergency light circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107666758A (en) |
-
2017
- 2017-10-27 CN CN201711018294.0A patent/CN107666758A/en active Pending
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180206 |