Sun-generated electric power doube bridge hunting power is synthesized electrodeless lamp
Technical field
The utility model relates to electronic technology field, specifically is the synthetic electrodeless lamp of a kind of sun-generated electric power doube bridge hunting power.
Background technology
The occasion that does not have AC power or the open-air leisure power supply inconvenience of encamping at automobile, train and ship, adopt the electrodeless lamp of sun-generated electric power can produce stronger illumination brightness, the high-frequency energy coupling coil excites the tube wall plasma to produce light by the fluorescent material opto-electronic conversion and penetrates, photoelectric conversion efficiency is higher, light is soft pleasant, long service life.Yet electrodeless lamp is that a kind of gas discharge produces light, and the back stable operating voltage that ignites is 90V-140V, and lamp current is at least at hundreds of milliamperes.Require the vibration power output enough big, electric current just must increase when supply voltage was low.And, big current oscillation triode power consumption temperature rise causes that pipe voltage, electric current change, and heavy current warming also makes coil magnetic permeability decline inductance value reduce simultaneously, and serious generation saturation inductors becomes very little, and then influence light tube electric voltage and electric current and change lamp luminescence brightness instability.Even burn out device.In addition, set up dimming function and can be fit to different illumination needs, when not needing floodlighting, reduce light and penetrate intensity, reduce light pollution to save power consumption.
The utility model content
The purpose of this utility model provides the power supply of solar energy low pressure power supply, drags the synthetic electrodeless lamp of a kind of sun-generated electric power doube bridge hunting power of high-power lamp load.
The utility model technical solution is: comprise by solar battery array, overvoltage detects controller, under-voltage detection controller, the voltage adapter, storage battery is formed sun-generated electric power and inverter and electrodeless fluorescent tube, comprise that also inverter is by two bridge-type oscillator adjustable pulse generator, addition coupler and tube circuit, the overload detection protective circuit is formed, two bridge-type oscillators are divided into bridge-type oscillator 6a and bridge-type oscillator 6b, respectively by ferrimagnetism transformer T1, T2 primary inductance shunt capacitance is a resonant tank, the resonant tank two ends respectively and connect two high-power oscillating tube collector electrodes of PNP and two high-power oscillating tube collector electrodes of NPN, two high-power oscillating tube emitters of PNP connect positive source, two high-power oscillating tube grounded emitters of NPN, parallel diode between four high-power oscillating tube collector electrodes and the emitter, resonant tank two ends cross-couplings also in parallel is to pipe base resistance quiescent biasing and electric capacity positive feedback are constituted bridge-type oscillator, two high-power oscillating tube base stages of NPN also connect control signal mouthpiece collector electrode, the mouthpiece base stage, collector electrode connects voltage negative feedback biasing resistor, grounded emitter, the adjustable pulse generator output signal inserts two bridge-type oscillator mouthpiece control light modulations, bridge-type oscillator 6a and bridge-type oscillator 6b power output are synthetic by ferrimagnetism transformer T1 and the anti-phase access addition of T2 secondary inductance coupler power respectively, the access tube circuit boosts, its tube circuit input also connects the resistance that series connection absorbs spike, electric capacity, connect the series resonant circuit inductance then, electric capacity, connect two coupling coils again, two coupling coil magnet ring is enclosed within on the closed electrodeless fluorescent tube, the overload detection protective circuit by the lamp load electric current through magnet ring inductance induced potential diode peak detection, detect voltage and insert bridge-type oscillator 6a and bridge-type oscillator 6b mouthpiece control oscillating tube, the adjustable pulse generator power end inserts sun-generated electric power;
And adjustable pulse generator is made up of time-base integrated circuit, potentiometer and resistance, charging capacitor and diode, potentiometer one end series diode, the second and the 6th pin of another termination time-base integrated circuit, and at time-base integrated circuit the 7th pin and connect diode in series and resistance, insert power supply at the 7th pin through another resistance, potentiometer mid point slip termination charging capacitor, slide potentiometer constitutes continuously adjustable pulse generator, inserts the mouthpiece control light modulation of doube bridge oscillator through triode power amplification output signal;
Overvoltage detects controller and connects the voltage stabilizing didoe reference voltage by operational amplifier A 1 in-phase input end, inverting input connects battery tension, operational amplifier A 1 output is amplified through the triode electric current and is succeeded electric apparatus coil, and normally-closed contact switches the solar battery array pressure-controlled of charging; Under-voltage detection controller connects the voltage stabilizing didoe reference voltage by operational amplifier A 2 inverting inputs, in-phase input end connects battery tension, operational amplifier A 2 output is amplified through the triode electric current and is succeeded electric apparatus coil, and normally opened contact switches the solar battery array under-voltage control of discharging.
The utility model produces useful good effect: synthetic by solar energy low pressure power supply power supply doube bridge oscillator power, obtain the high light efficiency of high-power lamp load, and pulse is light modulation on a large scale, the complementary series feed power supply of oscillating circuit, the supply voltage height, electric current is little, and it is big significantly to reduce the power consumption power output.Capacitance-resistance cross-couplings full-bridge hunting power is synthetic not only efficient, and even-order harmonic is cancelled out each other, and load is output as pure sine wave, is widely used in the occasion illumination that does not have AC power or power supply inconvenience.
Description of drawings
Fig. 1 technical solutions of the utility model functional-block diagram
Fig. 2 bridge-type oscillator circuit
Fig. 3 doube bridge oscillator power synthetic and fluorescent tube and overload detection protective circuit
Fig. 4 adjustable pulse generator circuit
Overvoltage of Fig. 5 sun-generated electric power and under-voltage detection controller circuitry
Specific implementation method
With reference to Fig. 1; (Fig. 2 is an example with bridge-type oscillator 6a circuit to Fig. 2; bridge-type oscillator 6b circuit is identical) and Fig. 3; 5; the utility model specific implementation method and embodiment: comprise by solar battery array 1a; overvoltage detects controller 1b; under-voltage detection controller 1c; voltage adapter 1d; storage battery E1 forms sun-generated electric power 1 and inverter and electrodeless fluorescent tube G; comprise that also inverter is by two bridge-type oscillators 6; adjustable pulse generator 4; addition coupler 5 and tube circuit 3; overload detection protective circuit 2 is formed; two bridge-type oscillators 6 are divided into bridge-type oscillator 6a and bridge-type oscillator 6b; respectively by ferrimagnetism transformer T1; T2 primary inductance L1 shunt capacitance C0 is a resonant tank; the resonant tank two ends respectively and meet two high-power oscillating tube Q1 of PNP; Q2 collector electrode and two high-power oscillating tube Q3 of NPN; the Q4 collector electrode; two high-power oscillating tube Q1 of PNP; the Q2 emitter connects sun-generated electric power 1 anodal complementary series feed power supply; two high-power oscillating tube Q3 of NPN; the Q4 grounded emitter; four high-power oscillating tube Q1; Q2 and Q3; equal parallel diode VD1 between Q4 collector electrode and the emitter; VD2 and VD3; VD4; resonant tank two ends cross-couplings also in parallel arrives pipe base resistance R1; R2 and R3; R4 quiescent biasing and capacitor C 1; C2 and C3; the C4 positive feedback constitutes bridge-type oscillator; two high-power oscillating tube Q3 of NPN; the Q4 base stage also meets control signal mouthpiece Q5; the Q6 collector electrode; Q5; the Q6 base stage; collector electrode meets voltage negative feedback biasing resistor R5; R6; grounded emitter; adjustable pulse generator 4 output signals are through resistance R 7; R8; capacitor C 5 inserts two bridge-type oscillator 6 mouthpiece Q5; Q6 controls light modulation; bridge-type oscillator 6a and bridge-type oscillator 6b power output are synthetic by ferrimagnetism transformer T1 and the anti-phase access addition of T2 secondary inductance L2 coupler 5 power respectively; boost and insert tube circuit 3; its tube circuit 3 inputs also connect the resistance R 12 that absorbs the spike series connection; capacitor C 7; connect series resonant circuit inductance L 4 then; capacitor C 8; connect two coupling coil L5 again; L6; two coupling coil magnet ring is enclosed within on the closed electrodeless fluorescent tube G; overload detection protective circuit 2 by the lamp load electric current through magnet ring inductance L 3 induced potential diode VD5 peak detection voltages through capacitor C 6 filtering, resistance R 9; R10 inserts two bridge-type oscillator mouthpiece Q5; Q6 control oscillating tube Q3; Q4.When lamp load short circuit or fluorescent tube loose contact produce big electric current, detect voltage and make Q5, Q6 saturation conduction, oscillating tube Q3, Q4 and Q1, Q2 shield by failure of oscillation.Diode VD1, VD2 and VD3, VD4 select fast quick-recovery type for use, protection oscillating tube Q1, Q2 and Q3, the Q4 high back-pressure puncture of avoiding vibrating.Adjustable pulse generator 4 power ends insert sun-generated electric power 1.
Bridge-type oscillator PNP, the push-pull oscillator of two symmetrical capacitance-resistance cross-couplings of complementation of NPN triode intercouple and form, high-power oscillating tube Q1, Q2 and Q3, the Q4 angle of flow are 90 degree alternations, output current is half cosine wave pulse, through resonant tank decay harmonic wave, opposite three rank of collector current phase place and high-order odd harmonic are zero, even-order harmonic is cancelled out each other, make lamp load be output as pure sine wave, not only efficient, complementary series feed power supply, the supply voltage height, electric current is little, significantly reduce power consumption, power output is big.
General large power triode constitutes the fluorescent tube about bridge-type vibration power output coupling 60W, when requiring more high-power output for example to mate the 120W lamp load, only several the direct parallel operations of device can not be satisfactory, the synthetic stack of doube bridge hunting power power output effect is obvious, by addition coupler 5 with the doube bridge mutual anti-phase excitation of power output of vibrating, two output current conversion double summation and deliver to lamp load, when two electric currents equate, and balance resistance R11 no power waste.
Fig. 4, light modulation pulse generator potentiometer RP1 two ends are series diode VD6 and VD7 respectively, and in the VD7 one end resistance R 13 of also connecting, be attempted by the 7th pin of time-base integrated circuit IC1 then, potentiometer RP1 mid point slip termination charging capacitor C9, constitute the continuously adjustable pulse generator of time-base integrated circuit IC1 duty ratio thus on a large scale, insert doube bridge oscillator 6 mouthpiece Q5, Q6 through triode Q7 power amplification output.Mouthpiece Q5, Q6 end during low level, oscillating tube Q3, Q4 and Q1, Q2 conducting work, and lamp is lighted, Q5, Q6 conducting during high level, oscillating tube Q3, Q4 and Q1, Q2 end, and lamp extinguishes, thereby the control impuls duty ratio is promptly controlled doube bridge vibration output average power, realizes light modulation.
Because potentiometer RP1 resistance is the VD6 conducting during much larger than resistance R 13, R14 charging, VD7 conducting during discharge, the EDM Generator of Adjustable Duty Ratio scope is very big.Capacitor C 10, C11 bypass over the ground.Resistance R 15, R17 current limliting, R16 is a triode Q7 load resistance.
Fig. 5; overvoltage detects controller 1b when storage battery E1 voltage is higher than voltage stabilizing didoe VD9 reference voltage; A1 is output as low level; triode Q8 drives relay J 1 and discharges J1-1 normally-closed contact cut-out charge circuit; protection storage battery E1 overvoltage charging, storage battery E1 voltage are when being reduced to the VD9 reference voltage under the illumination power consumption, and the anti-phase input current potential of A1 is lower than the homophase reference voltage; be output as high level, relay J 1 adhesive J1-1 normally-closed contact is connected charge circuit.Under-voltage detection controller 1c is when storage battery E1 voltage is lower than voltage stabilizing didoe VD11 reference voltage; A2 is output as low level; triode Q9 drives relay J 2 and discharges J2-1 normally opened contact cut-out discharge loop; the under-voltage discharge of protection storage battery E1; when storage battery E1 is higher than the VD11 reference voltage along with charging voltage rises; A2 homophase input current potential is higher than anti-phase reference voltage, is output as high level, and relay J 2 adhesive J2-1 normally opened contacts are connected discharge loop.Resistance R 18, R19, R20 and R23, R24, R25 and potentiometer RP2, RP3 dividing potential drop insert operational amplifier A 1, A2 homophase and inverting input respectively.Adjust operational amplifier voltage negative feedback resistance R21, R26 and potentiometer RP2, RP3 and reach the handoff threshold value.Resistance R 22, R27 metering function.
Among the figure, diode VD8 prevents reverse charge, and storage battery E1 discharges to solar battery array 1a when utilizing unilateal conduction to avoid solar battery array 1a night or rainy day not to generate electricity or when short circuit occurring.Diode VD13 is anti-reverse, when storage battery E1 polarity connects the inverse time conducting, produces big electric current with fuse F1 quick fuse, plays protective action.Diode VD10, VD12 absorb relay J 1, J2 coil reverse potential, and protection punctures triode Q8, Q9.Voltage adapter 1d built-in power decoupling filter connects doube bridge oscillator 6, adjustable pulse generator 4 power ends.
Present embodiment sun-generated electric power voltage 60V, doube bridge oscillator frequency 147KHZ, the electrodeless fluorescent tube of light modulation pulse minimum duty cycle output average power coupling 126W, light modulation pulse maximum duty cycle average power 30W, light modulation obviously changes the illumination light intensity, also plays the power consumption effect of saving when reduction light is penetrated intensity.