CN206181475U - Buffering formula emergency lighting circuit - Google Patents
Buffering formula emergency lighting circuit Download PDFInfo
- Publication number
- CN206181475U CN206181475U CN201621107893.0U CN201621107893U CN206181475U CN 206181475 U CN206181475 U CN 206181475U CN 201621107893 U CN201621107893 U CN 201621107893U CN 206181475 U CN206181475 U CN 206181475U
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- China
- Prior art keywords
- audion
- electric capacity
- diode
- resistance
- poles
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Abstract
The utility model discloses a buffering formula emergency lighting circuit, its characterized in that: mainly by diode rectifier U, triode VT1, triode VT2, triode VT3, battery GB, emergency light BL, switch KA, electric capacity C1, electric capacity C2, electric capacity C3, resistance R1, resistance R2, resistance R3, resistance R4, zener diode D1, diode D2 and diode D3 constitute. The utility model discloses a not only simple structure and cost are lower, still are convenient for maintain, the utility model has the advantages of reasonable design, can charge to battery GB when mains supply normal use, then the power supply of accessible battery GB when mains supply breaks off to make emergency light BL automatic lighting, can carry out emergency lighting, be fit for wide use.
Description
Technical field
This utility model is related to a kind of buffer-type emergency light circuit.
Background technology
Emergency light can be in normal power source power-off or because the device being illuminated after fire-fighting accident power-off, although emergency light is not
Often use, but be requisite in the building of modernization.At present domestic power supply is more sufficient, emergency light using less,
Therefore need periodically to carry out Inspection and maintenance to emergency light, to ensure that emergency light can be used normally.Currently used for the control of emergency light
Circuit structure processed is more complicated, relatively more using electronic devices and components so that control circuit is relatively costly, while being also inconvenient for safeguarding
Maintenance.
Utility model content
The purpose of this utility model is to provide a kind of buffer-type emergency light circuit, to expect that emergency light circuit can be simplified
Structure, in order to Maintenance and Repair, while can also reduces cost.
This utility model is achieved through the following technical solutions：
A kind of buffer-type emergency light circuit, mainly by diode rectifier U, audion VT1, audion VT2, audion
VT3, accumulator GB, it is whole that positive pole collectively constitutes power input, negative pole and diode with an input of diode rectifier U
The electric capacity C1 that another input of stream device U is connected, the resistance R1 being in parallel with electric capacity C1, positive pole and diode rectifier U
Cathode output end be connected, the electric capacity C2 that negative pole is connected with the cathode output end of diode rectifier U, P poles and electric capacity C2
Negative pole be connected, the Zener diode D1 that N poles are connected with the positive pole of electric capacity C2, positive pole Jing after resistance R2 with audion VT1
Colelctor electrode be connected, the electric capacity C3 that negative pole is connected with the negative pole of electric capacity C2, P poles are connected with the colelctor electrode of audion VT1,
The diode D2 that N poles are connected with the positive pole of electric capacity C3, P poles are connected Jing after resistance R3 with the base stage of audion VT2, N poles Jing
The diode D3 being connected with the colelctor electrode of audion VT2 after resistance R4, is serially connected in the emitter stage and accumulator GB of audion VT3
Negative pole between emergency light BL, and the switch KA being serially connected between the colelctor electrode of audion VT3 and the positive pole of accumulator GB
Composition；The P poles of the diode D3 are connected with the positive pole of electric capacity C2, and its N pole is connected with the colelctor electrode of audion VT3；Institute
The base stage for stating audion VT1 is connected with the positive pole of electric capacity C2, and its emitter stage is connected with the negative pole of electric capacity C2；The audion
The colelctor electrode of VT2 is connected with the base stage of audion VT3, its emitter stage respectively with the negative pole and the negative pole of accumulator GB of electric capacity C2
It is connected.
Further, the audion VT1 is 3AX51 audions, and audion VT2 is 3DG6 audions, and audion VT3 is
3DD50 audions.
Further, the diode rectifier U is the diode rectifier of four 1N4001 commutation diodes compositions.
In order to ensure effect, the Zener diode D1 is 2CW105 Zener diodes, and diode D2 is equal with diode D3
For 1N4001 commutation diodes.
This utility model compared with prior art, with advantages below and beneficial effect：
(1) it is of the present utility model to be not only simple in structure and cost is relatively low, it is also convenient for safeguarding.This utility model structure design is closed
Reason, can charge when power supply is normally used to accumulator GB, and then can be powered by accumulator GB when power supply disconnects, so that
Obtain emergency light BL to light automatically, you can carry out emergency lighting.
(2) audion VT1 of the present utility model can constitute a buffering electricity with resistance R2, electric capacity C3 and diode D2
Road, can be adjusted or buffer to the voltage and current waveform that electronic component when circuit turn-on and shut-off is born, and reduce voltage
With impact of the electric current to electronic component, and can make voltage and current waveform keep steady statue, it is possible to decrease circuit conducting and
To the loss of voltage and current during shut-off, so as to the electronic component in protection circuit, while can also improve of the present utility model
Utilization rate.
Description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Specific embodiment
This utility model is described in further detail with reference to embodiment, but embodiment of the present utility model is not
It is limited to this.
Embodiment
As shown in figure 1, buffer-type emergency light circuit of the present utility model, mainly by diode rectifier U, audion VT1,
Audion VT2, audion VT3, accumulator GB, emergency light BL switchs KA, electric capacity C1, electric capacity C2, electric capacity C3, resistance R1, resistance
R2, resistance R3, resistance R4, Zener diode D1, diode D2 and diode D3 are constituted.Wherein, accumulator GB is adopted
Be 6V accumulator, emergency light BL then uses the illuminating lamp of 6V, 0.3A.
During connection, the positive pole of the electric capacity C1 collectively constitutes power input with an input of diode rectifier U,
Its negative pole is connected with another input of diode rectifier U, and the power supply that this utility model is used is 220V civil powers.It is described
Resistance R1 is in parallel with electric capacity C1.The positive pole of the electric capacity C2 is connected with the cathode output end of diode rectifier U, its negative pole
It is connected with the cathode output end of diode rectifier U.The P poles of the Zener diode D1 are connected with the negative pole of electric capacity C2,
Its N pole is connected with the positive pole of electric capacity C2.The positive pole of the electric capacity C3 is connected Jing after resistance R2 with the colelctor electrode of audion VT1
Connect, its negative pole is connected with the negative pole of electric capacity C2.The P poles of the diode D2 are connected with the colelctor electrode of audion VT1, its N
Pole is connected with the positive pole of electric capacity C3.The P poles of the diode D3 are connected Jing after resistance R3 with the base stage of audion VT2, its N
Pole is connected Jing after resistance R4 with the colelctor electrode of audion VT2.The emergency light BL is serially connected in the emitter stage of audion VT3 and stores
Between the negative pole of battery GB, the switch KA is serially connected between the colelctor electrode of audion VT3 and the positive pole of accumulator GB.
Meanwhile, the P poles of the diode D3 are connected with the positive pole of electric capacity C2, the colelctor electrode phase of its N pole and audion VT3
Connection.The base stage of the audion VT1 is connected with the positive pole of electric capacity C2, and its emitter stage is connected with the negative pole of electric capacity C2.Institute
The colelctor electrode for stating audion VT2 is connected with the base stage of audion VT3, its emitter stage respectively with the negative pole and accumulator of electric capacity C2
The negative pole of GB is connected.
When using, closure switch KA, the resistance R1 and electric capacity C1 and diode rectifier U composition step-down rectifier electricity
Road, for carrying out step-down rectifier process to the mains supply of 220V.Wherein, diode rectifier U is four 1N4001 rectifications two
The diode rectifier of pole pipe composition, the resistance of the resistance R1 is 1M Ω, electric capacity C1 then adopt capacitance for 1.5 μ F electric capacity come
Realize, 220V power supplys 24V can be reduced to after blood pressure lowering.The electric capacity C2 is used to filter, and Zener diode D1 then can be played surely
The effect of pressure.During enforcement, the capacitance of the electric capacity C2 can adopt 100 μ F, the Zener diode D1 then to adopt 2CW105
Zener diode is realizing.
Audion VT1 in this utility model and resistance R2, electric capacity C3 and diode D2 can constitute a buffer circuit,
The voltage and current waveform that electronic component when circuit turn-on and shut-off is born can be adjusted or be buffered, reduce voltage and electricity
Impact of the stream to electronic component, and the waveform of voltage and current can be made to keep steady statue, it is possible to decrease circuit is in turn-on and turn-off
When loss to voltage and current, so as to the electronic component in protection circuit, while utilization of the present utility model can also be improved
Rate.Wherein, the audion VT1 realizes that diode D2 is then using 1N4001 commutation diodes come real using 3AX51 audions
Existing, the resistance of resistance R2 selects the capacitance of 0.8k Ω, electric capacity C3 then to select 22 μ F.
When mains supply is normally used, the audion VT2 conductings, audion VT3 cut-offs, emergency light BL is in extinguishing
State.Meanwhile, mains supply can charge to accumulator GB.During enforcement, the audion VT2 adopts 3DG6 audions, audion
VT3 then adopts 3DD50 audions.In order to ensure practical effect, the resistance of the resistance R3 is 5.1k Ω, and resistance R4 is 1k
Ω, diode D3 is also adopted by 1N4001 commutation diodes to realize.It is described when mains supply has a power failure or needs power-off because of fire-fighting
Accumulator GB is powered, and audion VT3 conductings, emergency light BL is lit, you can carry out emergency lighting.
It is of the present utility model to be not only simple in structure and cost is relatively low, it is also convenient for safeguarding.This utility model reasonable in design,
Accumulator GB can be charged when mains supply is normally used, and then can be powered by accumulator GB when mains supply disconnects,
So that emergency light BL is lighted automatically, you can carry out emergency lighting.Meanwhile, audion VT1 of the present utility model and resistance R2,
Electric capacity C3 and diode D2 can constitute a buffer circuit, the voltage that can be born to electronic component when circuit turn-on and shut-off
It is adjusted with current waveform or buffers, reduce impact of the voltage and current to electronic component, and the ripple of voltage and current can be made
Shape keep steady statue, it is possible to decrease circuit in turn-on and turn-off to the loss of voltage and current, so as in protection circuit
Electronic component, while utilization rate of the present utility model can also be improved.
As described above, just can preferably realize this utility model.
Claims (4)
1. a kind of buffer-type emergency light circuit, it is characterised in that：Mainly by diode rectifier U, audion VT1, audion
VT2, audion VT3, accumulator GB, positive pole collectively constitutes power input, negative pole with an input of diode rectifier U
The electric capacity C1 being connected with another input of diode rectifier U, the resistance R1 being in parallel with electric capacity C1, positive pole and two poles
The electric capacity C2 that the cathode output end of pipe commutator U is connected, negative pole is connected with the cathode output end of diode rectifier U, P poles
Be connected with the negative pole of electric capacity C2, the Zener diode D1 that N poles are connected with the positive pole of electric capacity C2, positive pole is Jing after resistance R2 with three
The colelctor electrode of the electric capacity C3 that the colelctor electrode of pole pipe VT1 is connected, negative pole is connected with the negative pole of electric capacity C2, P poles and audion VT1
Be connected, the diode D2 that N poles are connected with the positive pole of electric capacity C3, P poles are connected Jing after resistance R3 with the base stage of audion VT2
Connect, the diode D3 that N poles are connected Jing after resistance R4 with the colelctor electrode of audion VT2, be serially connected in the emitter stage of audion VT3 with
Emergency light BL between the negative pole of accumulator GB, and be serially connected between the colelctor electrode of audion VT3 and the positive pole of accumulator GB
Switch KA composition；The P poles of the diode D3 are connected with the positive pole of electric capacity C2, the colelctor electrode phase of its N pole and audion VT3
Connection；The base stage of the audion VT1 is connected with the positive pole of electric capacity C2, and its emitter stage is connected with the negative pole of electric capacity C2；Institute
The colelctor electrode for stating audion VT2 is connected with the base stage of audion VT3, its emitter stage respectively with the negative pole and accumulator of electric capacity C2
The negative pole of GB is connected.
2. a kind of buffer-type emergency light circuit according to claim 1, it is characterised in that：The audion VT1 is 3AX51
Audion, audion VT2 is 3DG6 audions, and audion VT3 is 3DD50 audions.
3. a kind of buffer-type emergency light circuit according to claim 1, it is characterised in that：The diode rectifier U is
The diode rectifier of four 1N4001 commutation diodes compositions.
4. a kind of buffer-type emergency light circuit according to claim 1, it is characterised in that：The Zener diode D1 is
2CW105 Zener diodes, diode D2 and diode D3 is 1N4001 commutation diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621107893.0U CN206181475U (en) | 2016-10-10 | 2016-10-10 | Buffering formula emergency lighting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621107893.0U CN206181475U (en) | 2016-10-10 | 2016-10-10 | Buffering formula emergency lighting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206181475U true CN206181475U (en) | 2017-05-17 |
Family
ID=58677561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621107893.0U Expired - Fee Related CN206181475U (en) | 2016-10-10 | 2016-10-10 | Buffering formula emergency lighting circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206181475U (en) |
-
2016
- 2016-10-10 CN CN201621107893.0U patent/CN206181475U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20171010 |