Background technology
Though, Gong Ying inductive type rectifier has safe and reliable service behaviour in the market, can satisfy the use needs of various lightings, but it is big to exist caloric value, the energy consumption height, power factor is lower and the defective of stroboscopic is arranged, and use cost is also higher, does not meet the energy-saving and emission-reduction requirement of country.
The utility model content
The purpose of this utility model is a kind of inductance rectifier economize on electricity adapter that designs at the deficiencies in the prior art; it adopts high frequency microelectronics embedded Control technology; inverse-excitation type single-stage power factor correction (PEC) with zero-current switching; circuit energy consumption power is descended greatly, improve power factor, and; reduced stroboscopic effectively; light is softer, better protection eyesight, increase work efficiency.
The purpose of this utility model is achieved in that a kind of inductance rectifier economize on electricity adapter, be characterized in that this adapter is made up of power circuit and zero-current switching circuit, power circuit is made of on the input of bridge rectifier and is connect capacitor C 1 diode D1, D2, D3 and D4, the negative pole of rectification circuit output end is connected with diode D5 is anodal, and the positive pole of the positive pole of rectification circuit output end and capacitor C 7, capacitor C 8, diode D8 and capacitor C 3 negative poles also connect; Diode D8 negative pole and diode D7 positive pole and capacitor C 2 negative poles also connect; The negative pole of diode D7 negative pole and capacitor C 6 and capacitor C 7 also connects the back and is connected with an end of diode D9 positive pole, resistance R 1; The negative pole of the other end of resistance R 1 and capacitor C 2 positive poles and diode D10, diode D5, capacitor C 8 also connects; Diode D10 positive pole and capacitor C 3 positive poles and diode D9 negative pole also connect;
The zero-current switching circuit is by an end of triode BG1 base stage and resistance R 4 and inductance L 3 and connect; Be connected with triode BG2 collector electrode behind the triode BG1 emitter series resistor R8; One end of triode BG1 collector electrode and capacitor C 9 positive poles, diode D11 negative pole and resistance R 3 also connects; One end of triode BG2 base stage and resistance R 5 and inductance L 4 also connects; Be connected behind the other end of resistance R 5 and the triode BG2 emitter series resistor R9; Be connected with the c end of inductance L 1 behind the other end series resistor R7 of inductance L 4; Be connected with a end of inductance L 1 behind the other end series resistor R6 of inductance L 3; The f end of the b of inductance L 1 end and diode D12 negative pole, inductance L 1 and an end of resistance 2, resistance R 3 and connecing then is connected with diode D11 positive pole, diode D13 negative pole; The other end of resistance R 4 and capacitor C 9, diode D12 negative pole also connect; The other end of resistance R 2 is connected with triode BG2 base stage with the anodal of diode D13, capacitor C 10 and after connecing; The other end of the d end of inductance L 1 and capacitor C 10 negative poles, diode D12 positive pole and resistance R 5, resistance R 9 also connects;
Capacitor C 8 negative poles of power circuit and 9 anodal connections of the capacitor C of zero-current switching circuit, its capacitor C 8 anodal diode D12 positive poles with the zero-current switching circuit connect into adapter circuit, and its bridge rectifier input is the input of electric current
And input
, the e end of
inductance L 1 is current output terminal
, capacitor C 7 negative poles serial connection capacitor C 4 backs are current output terminal
The utility model compared with prior art has the inverse-excitation type single-stage power factor correction (PEC) of zero-current switching, and circuit energy consumption power is descended greatly, improves power factor; and, having reduced stroboscopic effectively, light is softer; better protection eyesight, increase work efficiency.
Embodiment
Consult accompanying drawing 1, the adapter 3 that the utility model is made up of power circuit 1 and zero-current switching circuit 2, power circuit 1 is made of on the input of bridge rectifier and is connect capacitor C 1 diode D1, D2, D3 and D4, the negative pole of rectification circuit output end is connected with diode D5 is anodal, and the positive pole of the positive pole of rectification circuit output end and capacitor C 7, capacitor C 8, diode D8 and capacitor C 3 negative poles also connect; Diode D8 negative pole and diode D7 positive pole and capacitor C 2 negative poles also connect; The negative pole of diode D7 negative pole and capacitor C 6 and capacitor C 7 also connects the back and is connected with an end of diode D9 positive pole, resistance R 1; The negative pole of the other end of resistance R 1 and capacitor C 2 positive poles and diode D10, diode D5, capacitor C 8 also connects; Diode D10 positive pole and capacitor C 3 positive poles and diode D9 negative pole also connect.
Zero-current switching circuit 2 is by an end of triode BG1 base stage and resistance R 4 and inductance L 3 and connect; Be connected with triode BG2 collector electrode behind the triode BG1 emitter series resistor R8; One end of triode BG1 collector electrode and capacitor C 9 positive poles, diode D11 negative pole and resistance R 3 also connects; One end of triode BG2 base stage and resistance R 5 and inductance L 4 also connects; Be connected behind the other end of resistance R 5 and the triode BG2 emitter series resistor R9; Be connected with the c end of inductance L 1 behind the other end series resistor R7 of inductance L 4; Be connected with a end of inductance L 1 behind the other end series resistor R6 of inductance L 3; The f end of the b of inductance L 1 end and diode D12 negative pole, inductance L 1 and an end of resistance 2, resistance R 3 and connecing then is connected with diode D11 positive pole, diode D13 negative pole; The other end of resistance R 4 and capacitor C 9, diode D12 negative pole also connect; The other end of resistance R 2 is connected with triode BG2 base stage with the anodal of diode D13, capacitor C 10 and after connecing; The other end of the d end of inductance L 1 and capacitor C 10 negative poles, diode D12 positive pole and resistance R 5, resistance R 9 also connects.
Capacitor C 8 negative poles of
power circuit 1 and 9 anodal connections of the capacitor C of zero-
current switching circuit 2, the diode D12 positive pole of the positive pole of its capacitor C 8 and zero-
current switching circuit 2 connects into
adapter 3 circuit, and its bridge rectifier input is the input of electric current
And input
, the e end of
inductance L 1 is current output terminal
, capacitor C 7 negative poles serial connection capacitor C 4 backs are current output terminal
Consult accompanying drawing 2, the utility model is to use like this: with the input of
adapter 3
Connect the output of rectifier 6, the input of
adapter 3
Connect
starter 5 one terminals; The output of
adapter 3
And output
Connect two connector lugs of fluorescent tube 4 one ends respectively; Two connector lugs of fluorescent tube 4 other ends, wherein a connector lug is connected with another the end of a thread end of
starter 5, and the input of another connector lug and power rectifier 6 is connected with power supply.The utility model can reduce inductive type rectifier energy consumption 36.6%, makes the operating current of inductive type rectifier reduce by 36.6% simultaneously, and power factor reaches more than 0.95, and has reduced stroboscopic effectively, makes light softer.