CN202077259U

CN202077259U - Power-synthesized electrodeless lamp with solar power supply and eight bridge oscillators

Info

Publication number: CN202077259U
Application number: CN2011201013960U
Authority: CN
Inventors: 阮树成; 阮雪芬
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-04-03
Filing date: 2011-04-03
Publication date: 2011-12-14
Anticipated expiration: 2021-04-03

Abstract

The utility model relates to the field of electronic techniques, in particular to a power-synthesized electrodeless lamp with a solar power supply and eight bridge oscillators. The electrodeless lamp comprises the solar power supply, an inverter and an electrodeless lamp tube, wherein the solar power supply consists of a solar cell array, an overvoltage detection controller, an undervoltage detection controller, a voltage adapter and a storage battery. The inverter consists of eight full-bridge oscillators, seven addition couplers, an adjustable pulse generator, a lamp tube circuit and an overload detection and protection circuit. The power of the eight full-bridge oscillators is synthesized, the pulse range is wide, the light is dimmable and the output power is connected to the lamp tube circuit to generate high-efficiency light. The circuit of the electrodeless lamp is unique and high-efficiency, the electromagnetic compatibility (EMC) of the service environment satisfies international electrotechnical commission (IEC) standards, and the electrodeless lamp can be widely used for high-power illumination in places such as automobiles, trains and ships without alternating-current power supply or with inconvenient power supply.

Description

Sun-generated electric power eight bridge hunting powers are synthesized electrodeless lamp

Technical field

The utility model relates to electronic technology field, specifically is the synthetic electrodeless lamps of a kind of sun-generated electric power eight bridge hunting powers.

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.

Summary of the invention

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 eight bridge hunting powers 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 eight full-bridge oscillators and seven addition couplers, adjustable pulse generator, tube circuit, the overload detection protective circuit is formed, seven addition couplers are divided into the first addition coupler, the second addition coupler, third phase adds coupler, the 4th addition coupler, the 5th addition coupler, the 6th addition coupler, the 7th addition coupler, eight full-bridge oscillators are divided into full-bridge oscillator 6a, full-bridge oscillator 6b, full-bridge oscillator 6c, full-bridge oscillator 6d and full-bridge oscillator 6e, full-bridge oscillator 6f, full-bridge oscillator 6g, full-bridge oscillator 6h, respectively by eight ferrimagnetism transformer T1, T2, T3, T4 and T5, T6, T7, T8 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 the sun-generated electric power positive pole, two high-power oscillating tube grounded emitters of NPN, equal fast extensive diode in parallel 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 the full-bridge 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 eight bridge oscillator mouthpieces control light modulation, full-bridge oscillator 6a and full-bridge oscillator 6b power output are by ferrimagnetism transformer T1, the anti-phase access first addition coupler primary inductance single order power of T2 secondary inductance is synthetic, full-bridge oscillator 6c and full-bridge oscillator 6d power output are by ferrimagnetism transformer T3, the anti-phase access second addition coupler primary inductance single order power of T4 secondary inductance is synthetic, full-bridge oscillator 6e and full-bridge oscillator 6f power output are by ferrimagnetism transformer T5, it is synthetic that the anti-phase access third phase of T6 secondary inductance adds coupler primary inductance single order power, full-bridge oscillator 6g and full-bridge oscillator 6h power output are by ferrimagnetism transformer T7, anti-phase access the 4th addition coupler primary inductance single order power of T8 secondary inductance is synthetic, anti-phase access the 5th addition coupler primary inductance second order power of the first addition coupler and the second addition coupler secondary inductance is synthetic, third phase adds coupler and anti-phase access the 6th addition coupler primary inductance second order power of the 4th addition coupler secondary inductance is synthetic, anti-phase access the 7th addition coupler primary inductance of the 5th addition coupler and the 6th addition coupler secondary inductance three rank power are synthetic, the secondary inductance access tube circuit that boosts, its tube circuit input also connects the resistance that absorbs the spike series connection, 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 eight bridge oscillator mouthpieces 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 eight bridge oscillators 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: eight bridge oscillators, the three rank power of solar energy low pressure power supply power supply are synthetic, 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 makes lamp load be 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 full-bridge pierce circuit

Fig. 3 eight bridge hunting powers 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; 2; 3; 5; (Fig. 2 is an example with full-bridge oscillator 6a circuit; all the other full-bridge pierce circuits are identical) 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 eight full-bridge oscillators 6 and seven addition couplers 5; adjustable pulse generator 4; tube circuit 3; overload detection protective circuit 2 is formed; seven addition couplers 5 are divided into the first addition coupler 5a; the second addition coupler 5b; third phase adds coupler 5c; the 4th addition coupler 5d; the 5th addition coupler 5e; the 6th addition coupler 5f; the 7th addition coupler 5g; eight full-bridge oscillators 6 are divided into full-bridge oscillator 6a; full-bridge oscillator 6b; full-bridge oscillator 6c; full-bridge oscillator 6d and full-bridge oscillator 6e; full-bridge oscillator 6f; full-bridge oscillator 6g; full-bridge oscillator 6h; respectively by eight ferrimagnetism transformer T1; T2; T3; T4 and T5; T6; T7; T8 primary inductance L1 shunt capacitance C5 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; fast extensive diode in parallel between Q4 collector electrode and the emitter; 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 the full-bridge oscillator; two high-power oscillating tube Q3 of NPN; the Q4 base stage also meets signaling interface pipe Q5; the Q6 collector electrode; mouthpiece Q5; the Q6 base stage; collector electrode meets voltage negative feedback biasing resistor R5; R6; grounded emitter; adjustable pulse generator 4 output signals insert eight bridge oscillators, 6 mouthpiece Q5 respectively; Q6 controls light modulation; full-bridge oscillator 6a and full-bridge oscillator 6b power output are by ferrimagnetism transformer T1; the anti-phase access first addition coupler 5a primary inductance single order power of T2 secondary inductance is synthetic; full-bridge oscillator 6c and full-bridge oscillator 6d power output are by ferrimagnetism transformer T3; the anti-phase access second addition coupler 5b primary inductance single order power of T4 secondary inductance is synthetic; full-bridge oscillator 6e and full-bridge oscillator 6f power output are by ferrimagnetism transformer T5; it is synthetic that the anti-phase access third phase of T6 secondary inductance adds coupler 5c primary inductance single order power; full-bridge oscillator 6g and full-bridge oscillator 6h power output are by ferrimagnetism transformer T7; anti-phase access the 4th addition coupler 5d primary inductance single order power of T8 secondary inductance is synthetic; anti-phase access the 5th addition coupler 5e primary inductance second order power of the first addition coupler 5a and the second addition coupler 5b secondary inductance is synthetic; third phase adds coupler 5c and anti-phase access the 6th addition coupler 5f primary inductance second order power of the 4th addition coupler 5d secondary inductance is synthetic; anti-phase access the 7th addition coupler 5g primary inductance of the 5th addition coupler 5e and the 6th addition coupler 5f secondary inductance three rank power are synthetic; secondary inductance is boosted and is inserted tube circuit 3; its tube circuit 3 inputs also connect the resistance R 18 that absorbs the spike series connection; C8 electric capacity; connect series resonant circuit inductance L 3 then; capacitor C 7; connect two coupling coil L4 again; L5; 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 6 induced potential diode VD5 peak detections; through C9; R19 filtering voltage control interface pipe Q5; Q6 is to oscillating tube Q3; Q4 and Q1; Q2; when lamp load short circuit or fluorescent tube loose contact produce big electric current; overload detection voltage makes Q5; the Q6 saturation conduction; oscillating tube Q3; Q4 and Q1; Q2 shields by failure of oscillation.Fast recovery diode VD1, VD2 and VD3, VD4 prevent that high back-pressure from puncturing oscillating tube, and adjustable pulse generator 4 power ends insert sun-generated electric power 1.

The full-bridge oscillator is intercoupled and is formed by PNP, the push-pull oscillator of two symmetrical capacitance-resistance cross-couplings of complementation of NPN triode, 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, load is 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.

When general large power triode constitutes the full-bridge vibration and requires bigger power output, as mate the 400W lamp load, only several the direct parallel operations of device can not be satisfactory, adopt eight bridge hunting power synthetic effects obvious, its power output stack can be satisfied specification requirement, respectively that the mutual anti-phase exciting power of eight bridges vibrations power output is synthetic by seven addition couplers, many high-power fluorescent tubes that ignite of boosting are luminous.No power waste when balance resistance R11, R12, R13, R14, R15 and R16, R17 equate at two synthetic electric currents of power.

Fig. 4, light modulation pulse generator time-base integrated circuit IC1 adopts 555, light adjusting potentiometer RP1 one end series diode VD6, the second and the 6th pin of another termination time-base integrated circuit IC1, and at the 7th pin of time-base integrated circuit IC1 and meet diode in series VD7 and resistance R 21, and insert Dc low voltage power supplies 1 by resistance R 20 at the 7th pin, potentiometer RP1 mid point slip termination charging capacitor C10, slide potentiometer constitutes continuously adjustable pulse generator, inserts mouthpiece Q5, the Q6 of eight full-bridge oscillators 6 through triode Q7 power amplification output.Q5, Q6 end during low level, oscillating tube Q1, Q2 and Q3, Q4 conducting work, and lamp is lighted, Q5, Q6 conducting during high level, oscillating tube Q1, Q2 and Q3, Q4 end, and lamp extinguishes, and the time of lighting is determined by pulse duration.As seen, extinguish and light again alternately with the certain frequency pulse, the control impuls duty ratio is promptly controlled eight bridges and is annotated lock oscillator average output power, reaches the light modulation purpose.

Because potentiometer RP1 resistance is the VD6 conducting during much larger than resistance R 20, R21 charging, VD7 conducting during discharge, the EDM Generator of Adjustable Duty Ratio scope is very big.Capacitor C 11, C12 bypass over the ground.Resistance R 22, R24 current limliting, R23 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 VD12 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 VD12 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 25, R26, R27 and R30, R31, R32 and potentiometer RP2, RP3 dividing potential drop insert operational amplifier homophase and inverting input respectively.Adjust operational amplifier voltage negative feedback resistance R28, R33 and potentiometer RP2, RP3 and reach the handoff threshold value.Resistance R 29, R34 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.The pond reversal connection of diode VD11 electricity storage preventing when storage battery E1 polarity connects the inverse time conducting, produces big electric current with fuse F1 quick fuse, plays protective action.Diode VD10, VD13 absorb relay J 1, J2 coil reverse potential, and protection punctures triode Q8, Q9.Voltage adapter 1d built-in power decoupling filter connects eight bridge oscillators 6, adjustable pulse generator 4 power ends.

Present embodiment sun-generated electric power voltage 60V, eight bridge oscillator frequency 168KHZ, the electrodeless fluorescent tube of light modulation pulse minimum duty cycle output average power coupling 450W, light modulation pulse maximum duty cycle average power 60W, light modulation obviously changes the illumination light intensity, also plays the power consumption effect of saving when reduction light is penetrated intensity.

Claims

1. sun-generated electric power eight bridge hunting powers are synthesized electrodeless lamp; 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; it is characterized in that: comprise that also inverter is by eight full-bridge oscillators and seven addition couplers; adjustable pulse generator; tube circuit; the overload detection protective circuit is formed; seven addition couplers are divided into the first addition coupler; the second addition coupler; third phase adds coupler; the 4th addition coupler; the 5th addition coupler; the 6th addition coupler; the 7th addition coupler; eight full-bridge oscillators are divided into full-bridge oscillator (6a); full-bridge oscillator (6b); full-bridge oscillator (6c); full-bridge oscillator (6d) and full-bridge oscillator (6e); full-bridge oscillator (6f); full-bridge oscillator (6g); full-bridge oscillator (6h); respectively by eight ferrimagnetism transformers (T1); (T2); (T3); (T4) and (T5;) T6); (T7); (T8) the 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 the sun-generated electric power positive pole; two high-power oscillating tube grounded emitters of NPN; fast extensive diode in parallel 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 the full-bridge 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 eight full-bridge oscillator mouthpiece control light modulations; full-bridge oscillator (6a) and full-bridge oscillator (6b) power output are by ferrimagnetism transformer (T1); (T2) the anti-phase access first addition coupler primary inductance single order power of secondary inductance is synthetic; full-bridge oscillator (6c) and full-bridge oscillator (6d) power output are by ferrimagnetism transformer (T3); (T4) the anti-phase access second addition coupler primary inductance single order power of secondary inductance is synthetic; full-bridge oscillator (6e) and full-bridge oscillator (6f) power output are by ferrimagnetism transformer (T5); (T6) it is synthetic that the anti-phase access third phase of secondary inductance adds coupler primary inductance single order power; full-bridge oscillator (6g) and full-bridge oscillator (6h) power output are by ferrimagnetism transformer (T7); (T8) anti-phase access the 4th addition coupler primary inductance single order power of secondary inductance is synthetic; anti-phase access the 5th addition coupler primary inductance second order power of the first addition coupler and the second addition coupler secondary inductance is synthetic; third phase adds coupler and anti-phase access the 6th addition coupler primary inductance second order power of the 4th addition coupler secondary inductance is synthetic; anti-phase access the 7th addition coupler primary inductance of the 5th addition coupler and the 6th addition coupler secondary inductance three rank power are synthetic; the secondary inductance access tube circuit that boosts; its tube circuit input also connects the resistance that absorbs the spike series connection; 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 eight bridge oscillator mouthpieces control oscillating tube, the adjustable pulse generator power end inserts sun-generated electric power.

2. sun-generated electric power eight bridge hunting powers according to claim 1 are synthesized electrodeless lamp, it is characterized in that: adjustable pulse generator is by time-base integrated circuit, potentiometer and resistance, charging capacitor and diode are formed, 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 eight bridge oscillators through triode power amplification output signal.

3. sun-generated electric power eight bridge hunting powers according to claim 1 are synthesized electrodeless lamp, it is characterized in that: 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.