Summary of the invention
It is an object of the invention to overcome existing electric energy-saving lamp control circuit lacking there are output voltage stability difference
It falls into, a kind of double variable-pressure control circuits of the electronic energy-saving lamp provided.
The present invention is achieved through the following technical solutions: a kind of double variable-pressure control circuits of electronic energy-saving lamp, including is become
Depressor T1, transformer T2, unidirectional thyristor VS, triode VT1, triode VT2, triode VT3 further include the pole P through resistance R1
It is connected afterwards with the Same Name of Ends of transformer T1 primary side inductance coil L1, double transformations are collectively formed in the emitter of the pole N and triode VT1
The diode D1 of the input terminal of type control circuit, one end is connected with the pole P of diode D1, the base of the other end and triode VT1
The resistance R2 that pole is connected, anode is connected after resistance R4 with the collector of triode VT1, cathode and transformer T1 primary side are electric
The polar capacitor pole C1, P that is connected of non-same polarity of sense coil L1 is connected after resistance R3 with the base stage of triode VT1, the pole N
The zener diode D2 being connected with the Same Name of Ends of the primary side inductance coil L2 of transformer T1, one end and transformer T1 primary side inductance
The resistance R5 that the non-same polarity of coil L2 is connected, the other end is connected with the emitter of triode VT1, anode and transformer T1
The polar capacitor C2 that the Same Name of Ends of secondary inductance coil L3 is connected, cathode is grounded after being connected with the emitter of triode VT1,
One end is connected with the emitter of triode VT2, the other end is connected with the Same Name of Ends of transformer T1 secondary inductance coil L3
The resistance pole R6, N is connected with the anode of unidirectional thyristor VS, the pole P is connected after resistance R7 with the control terminal of unidirectional thyristor VS
The diode D3 connect, one end is connected with the control terminal of unidirectional thyristor VS, the other end is connected with the cathode of polar capacitor C2
Adjustable resistance R8, anode is connected with the base stage of triode VT3, polarity that cathode is connected with the cathode of polar capacitor C2 is electric
Hold C3, one end is connected with the collector of triode VT3, the resistance R11 of other end ground connection, it is positive after resistance R9 with triode
The polar capacitor C4 that the base stage of VT2 is connected, cathode is connected with the emitter of triode VT3, anode and transformer T2 primary side
The polarity electricity that the non-same polarity of inductance coil L4 is connected, cathode is connected with the Same Name of Ends of transformer T2 secondary inductance coil L5
Hold C5, the resistance R10, Yi Jizheng that one end is connected with the non-same polarity of transformer T2 secondary inductance coil L5, the other end is grounded
Pole is connected after diode D4 with the emitter of triode VT2, the Same Name of Ends of cathode and transformer T2 secondary inductance coil L5
The polar capacitor C6 of the output end of double variable-pressure control circuits is collectively formed;The transformer T1 secondary inductance coil L3's is non-same
Name end is connected with the Same Name of Ends of primary side inductance coil L2;The base stage of the triode VT3 is connected with unidirectional thyristor VS cathode
It connects;The base stage of the triode VT2 is connected with the anode of unidirectional thyristor VS;The cathode of the polar capacitor C3 also with transformation
The Same Name of Ends of device T2 secondary inductance coil L5 is connected.
To ensure practical effect of the invention, the transformer T1 then preferentially comes using the transformer of 300KV real
It is existing;The transformer T2 is then preferentially realized using the EI57-30 step-up transformer of 1000KV;The unidirectional thyristor simultaneously
VS uses KP5A/50V unidirectional thyristor preferentially then to realize;The Standard resistance range of the adjustable resistance R8 is 10k Ω~470k
Ω。
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
The present invention can carry out the processing of boosting twice to voltage by dual transformer, and the present invention can also be to the pulse of voltage
Wave is effectively adjusted or is buffered, and keeps voltage more stable, more stable, is ensured that the present invention can export and is stablized, smoothly
Voltage can effectively ensure the stability of brightness when electronic energy-saving lamp is lit, meet the requirement of people well, simultaneously
The service life of electronic energy-saving lamp can be extended well.
Specific embodiment
The present invention is described in further detail below with reference to embodiment and its attached drawing, but embodiments of the present invention are not
It is limited to this.
As shown in Figure 1, the present invention is mainly by transformer T1, transformer T2, unidirectional thyristor VS, triode VT1, triode
VT2, triode VT3, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, adjustable resistance R8, electricity
R9, resistance R10, resistance R11, polar capacitor C1, polar capacitor C2, polar capacitor C3, polar capacitor C4, polar capacitor C5 are hindered,
Polar capacitor C6, diode D1, zener diode D2, diode D3 and diode D4 composition.
To ensure practical effect of the invention, the transformer T1 then preferentially comes using the transformer of 300KV real
It is existing;The transformer T2 is then preferentially realized using the EI57-30 step-up transformer of 1000KV;The unidirectional thyristor simultaneously
VS uses KP5A/50V unidirectional thyristor preferentially then to realize;The Standard resistance range of the adjustable resistance R8 is 10k Ω~470k
Ω;Meanwhile triode VT1 is 3AX81 triode, triode VT2 and triode VT2 are 3DD15 triode, the resistance of resistance R1
Value is 100k Ω, and the resistance value of resistance R2 is 10k Ω, and the resistance value of resistance R3~R5 is 10 Ω, and the resistance value of resistance R6~R9 is
The resistance value of 1k Ω, resistance R10 are 51k Ω, and the resistance value of resistance R11 is 390k Ω;The capacitance of polar capacitor C1 is 1000 μ F/50V,
Polar capacitor C2 is that filter capacitor its capacitance is 4.7 μ F/400V, and the capacitance of polar capacitor C3 is 0.22 μ F/600V, polar capacitor
C4 and polar capacitor C5 is the polar capacitor that its capacitance of charging capacitor is 0.1 μ F/400V, and the capacitance of polar capacitor C6 is 0.22
μF/1200V;Diode D1, diode D3 and diode D4 are 1N5401 diode, and zener diode D2 is 1N4007 pressure stabilizing
Diode.
When connection, the pole P of diode D1 is connected after resistance R1 with the Same Name of Ends of transformer T1 primary side inductance coil L1,
The input terminal of double variable-pressure control circuits and the voltage output with DC power supply is collectively formed in the emitter of the pole N and triode VT1
End is connected.One end of resistance R2 is connected with the pole P of diode D1, and the other end is connected with the base stage of triode VT1.Polarity
The anode of capacitor C1 is connected after resistance R4 with the collector of triode VT1, cathode and transformer T1 primary side inductance coil L1
Non-same polarity be connected.The pole P of zener diode D2 is connected after resistance R3 with the base stage of triode VT1, the pole N and transformation
The Same Name of Ends of the primary side inductance coil L2 of device T1 is connected.
Wherein, one end of resistance R5 is connected with the non-same polarity of transformer T1 primary side inductance coil L2, the other end and three
The emitter of pole pipe VT1 is connected.The anode of polar capacitor C2 is connected with the Same Name of Ends of transformer T1 secondary inductance coil L3,
Cathode is grounded after being connected with the emitter of triode VT1.One end of resistance R6 is connected with the emitter of triode VT2, separately
One end is connected with the Same Name of Ends of transformer T1 secondary inductance coil L3.The pole N of diode D3 and the anode of unidirectional thyristor VS
It is connected, the pole P is connected after resistance R7 with the control terminal of unidirectional thyristor VS.One end of adjustable resistance R8 and unidirectional thyristor
The control terminal of VS is connected, and the other end is connected with the cathode of polar capacitor C2.The anode of polar capacitor C3 is with triode VT3's
Base stage is connected, and cathode is connected with the cathode of polar capacitor C2.
Meanwhile one end of resistance R11 is connected with the collector of triode VT3, other end ground connection.Polar capacitor C4 is just
Pole is connected after resistance R9 with the base stage of triode VT2, and cathode is connected with the emitter of triode VT3.Polar capacitor C5
Anode be connected with the non-same polarity of transformer T2 primary side inductance coil L4, cathode and transformer T2 secondary inductance coil L5's
Same Name of Ends is connected.One end of resistance R10 is connected with the non-same polarity of transformer T2 secondary inductance coil L5, another termination
Ground.The anode of polar capacitor C6 is connected with the pole N of diode D4, the pole P of the diode D4 and the emitter of triode VT2
It is connected, double variable-pressure controls are collectively formed in the cathode of the polar capacitor C6 and the Same Name of Ends of transformer T2 secondary inductance coil L5
The output end of circuit processed is simultaneously connected with LED light.
The non-same polarity of the transformer T1 secondary inductance coil L3 is connected with the Same Name of Ends of primary side inductance coil L2;Institute
The base stage for stating triode VT3 is connected with unidirectional thyristor VS cathode;The base stage of the triode VT2 is with unidirectional thyristor VS's
Anode is connected;The cathode of the polar capacitor C3 is also connected with the Same Name of Ends of transformer T2 secondary inductance coil L5.
When work, transformer T1, triode VT1, polar capacitor C1, resistance R1, resistance R2, resistance R3, resistance R4, resistance
R5, diode D1 and zener diode D2 form the oscillating circuit that frequency is about 20Hz, the oscillating impulse which generates
Voltage boosts through the secondary inductance coil L3 of transformer T1, the boost voltage through the polar capacitor C1 as filter capacitor into
The DC voltage of 300V is obtained after row filtering, which is transferred to unidirectional thyristor VS, triode VT2, diode
The trigger circuit that D3 and polar capacitor C3 is formed, the trigger circuit are adjusted the unstable state electric current in DC voltage, make straight
Galvanic electricity pressure is more stable, when voltage saturation on polar capacitor C3, triode VT2 conducting, and the direct current after triggered the regulation of electrical circuit
Collector of the pressure through triode VT2 is transferred to the buffering electricity that triode VT3, resistance R9, resistance R11 and polar capacitor C4 are formed
Road, the buffer circuit are adjusted or buffer to high pulse voltage in the DC voltage of input, make the pulse frequency of DC voltage
It is consistent, can effectively improve the stationarity and stability of DC voltage, when the voltage saturation on polar capacitor C4, polarity
Capacitor C4 starts electric discharge and powers after transformer T2 is boosted for LED light.
The present invention can carry out the processing of boosting twice to voltage by dual transformer, and the present invention can also be to the pulse of voltage
Wave is effectively adjusted or is buffered, and keeps voltage more stable, more stable, is ensured that the present invention can export and is stablized, smoothly
Voltage can effectively ensure the stability of brightness when electronic energy-saving lamp is lit, meet the requirement of people well, simultaneously
The service life of electronic energy-saving lamp can be extended well.
According to above-described embodiment, the present invention can be realized well.