CN202068651U

CN202068651U - Solar power supply four-bridge oscillation power synthesis fluorescent lamp

Info

Publication number: CN202068651U
Application number: CN2011201110284U
Authority: CN
Inventors: 张妙娟; 阮树成
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-04-03
Filing date: 2011-04-03
Publication date: 2011-12-07
Anticipated expiration: 2021-04-03

Abstract

The utility model relates to the field of electronic technology and is a solar power supply four-bridge oscillation power synthesis fluorescent lamp. The lamp comprises a solar power supply consisting of a solar cell array, an over-voltage detection controller, an under-voltage detection controller, a voltage adapter, and a storage battery, an inverter, and a fluorescent tube, wherein the inverter is composed of four bridge oscillators, three addition couplers, a tube circuit, and an overload detection protective circuit; and the power synthesis of four bridge oscillators joins up the tube circuit for producing high luminous efficacy. The utility model, with a unique and efficient circuit, can be widely applied to places without commercial power or inconvenient for power supply for metal halide lamp illumination, such as vehicles, trains, or ships.

Description

Sun-generated electric power four bridge hunting powers are synthesized fluorescent lamp

Technical field

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

Background technology

Can supply or the open-air inconvenient occasion of leisure power supply of encamping at automobile, train and not have electric main of ship, adopt the fluorescent lamp of sun-generated electric power can produce stronger illumination brightness, photoelectric conversion efficiency is higher, and light is soft pleasant, and is easy to use.Yet fluorescent lamp is that a kind of gas discharge produces light, and ignition trigger voltage just can excite tube wall fluorescent coating mercury to steam usually more than 500V, and the back stable operating voltage that ignites is 40V-110V, and lamp current is at least at hundreds of milliamperes.Therefore, require the vibration power output big, electric current just must increase when operating voltage was low, and big current oscillation pipe power consumption temperature rise causes that the pipe electric current and voltage changes, heavy current warming also makes coil magnetic permeability decline inductance value reduce simultaneously, serious generation saturation inductors becomes very little, and then influences light tube electric voltage and electric current change, lamp luminescence brightness instability.Even burn out device.Along with lamp load power requirement when bigger, the corresponding increase of drive current, the power device of inverter power consumption sharply increases, and usually, the generator triode radiator can not be done too much, the restriction operate as normal.

Summary of the invention

The purpose of this utility model provides the sun-generated electric power power supply, drags the synthetic fluorescent lamp of a kind of sun-generated electric power four 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, sun-generated electric power and inverter and fluorescent tube that storage battery is formed, comprise that also inverter is by four full-bridge oscillators, three addition couplers, tube circuit and overload detection protective circuit are formed, three addition couplers are divided into the first addition coupler, the second addition coupler and third phase add coupler, four full-bridge oscillators are divided into full-bridge oscillator 3a, full-bridge oscillator 3b, full-bridge oscillator 3c and full-bridge oscillator 3d, respectively by ferrimagnetism transformer T1, T2 and T3, T4 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, complementary series feed power supply, fast recovery diode in parallel between four high-power oscillating tube collector electrodes and the emitter, resonant tank two ends cross-couplings also in parallel constitutes the bridge oscillator to managing base resistance quiescent biasing and electric capacity positive feedback, 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, full-bridge oscillator 3a and full-bridge oscillator 3b power output are respectively 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 3c and full-bridge oscillator 3d power output are respectively by ferrimagnetism transformer T3, the anti-phase access second addition coupler primary inductance single order power of T4 secondary inductance is synthetic, it is synthetic that the first addition coupler and the anti-phase access third phase of the second addition coupler secondary inductance add coupler primary inductance second order power, third phase adds the coupler secondary inductance access tube circuit that boosts, the overload detection protective circuit through magnet ring inductance induced potential diode peak detection, detects voltage access interface management and control system oscillating tube by the lamp load electric current;

Wherein, tube circuit connects third phase and adds the coupler secondary inductance, at the inductance two ends and connect the capacitance-resistance RC element of series connection, connect fluorescent tube series resonant circuit inductance, electric capacity a end then, thermistor and bidirectional trigger diode that the filament other end also connects pipeline start up by preheating electric capacity and is connected in series to tube filament;

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 good effect: the sun-generated electric power four bridges vibration second order power of powering is synthetic, obtain the high light efficiency of high-power lamp load, the push-pull oscillator of two symmetrical capacitance-resistance cross-couplings of complementation of full-bridge vibration intercouples, the directly continuous two-stage LC frequency selective amplifier of capacitance-resistance cross-couplings push-pull oscillator output input, it is very strong to vibrate, the complementary series feed power supply of oscillating circuit, supply voltage height, electric current is little, significantly reduces power consumption and increases power output.Capacitance-resistance cross-couplings full-bridge hunting power is synthetic not only efficient, and opposite three rank of collector current phase place and high-order odd harmonic are zero, and even-order harmonic is cancelled out each other.Be 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

Synthetic and the overload detection protective circuit of Fig. 3 four bridge hunting powers

Fig. 4 tube 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 and Fig. 5 (Fig. 2 is an example with full-bridge oscillator 3a circuit; all the other full-bridge pierce circuits are all identical); the utility model specific implementation method and embodiment 1: comprise by solar battery array 1a; overvoltage detects controller 1b; under-voltage detection controller 1c; voltage adapter 1d; sun-generated electric power 1 and inverter and fluorescent tube G that storage battery E1 forms; comprise that also inverter is by four full-bridge oscillators 3; three addition couplers 4; tube circuit 5 and overload detection protective circuit 2 are formed; three addition couplers 4 are divided into the first addition coupler 4a; the second addition coupler 4b and third phase add coupler 4c; four full-bridge oscillators 3 are divided into full-bridge oscillator 3a; full-bridge oscillator 3b; full-bridge oscillator 3c and full-bridge oscillator 3d; respectively by ferrimagnetism transformer T1; T2 and T3; T4 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 the sun-generated electric power positive pole; two high-power oscillating tube Q3 of NPN; the Q4 grounded emitter; complementary series feed power supply; four high-power oscillating tube Q1; Q2 and Q3; fast recovery diode VD1 in parallel between Q4 collector electrode and the emitter; VD2 and VD3; VD4; resonant tank two ends cross-couplings also in parallel is to managing 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; Q3; the Q4 base stage also meets control signal mouthpiece Q5; the Q6 collector electrode; mouthpiece Q5; the Q6 base stage; collector electrode meets voltage negative feedback biasing resistor R5; R6; grounded emitter; full-bridge oscillator 3a and full-bridge oscillator 3b power output are respectively by ferrimagnetism transformer T1; the anti-phase access first addition coupler 4a primary inductance single order power of T2 secondary inductance L2 is synthetic; full-bridge oscillator 3c and full-bridge oscillator 3d power output are respectively by ferrimagnetism transformer T3; the anti-phase access second addition coupler 4b primary inductance single order power of T4 secondary inductance L2 is synthetic; it is synthetic that the first addition coupler 4a and the anti-phase access third phase of the second addition coupler 4b secondary inductance add coupler 4c primary inductance second order power, and third phase adds coupler 4c secondary inductance and boosts and insert tube circuit 5.

Overload detection protective circuit 2 through magnet ring inductance L 3 induced potential diode VD5 peak detections, detects voltage through capacitor C 6, resistance R 11 filtering by the lamp load electric current, resistance R 7, R8 current limliting access interface pipe Q5, Q6 control 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, Q6 saturation conduction, and oscillating tube Q3, Q4 and Q1, Q2 be by failure of oscillation, instant protection.

Fast recovery diode VD1, VD2 and VD3, VD4 protection oscillating tube are avoided high back-pressure and are punctured.

The full-bridge oscillator is by PNP, the push-pull oscillator of two symmetrical capacitance-resistance cross-couplings of complementation of NPN triode intercouples and forms, the push-pull oscillator of capacitance-resistance cross-couplings is actual to be the directly continuous two-stage LC frequency selective amplifier of output input, high-power oscillating tube Q1, Q2 and Q3, the Q4 angle of flow is 90 degree alternations, output current is half cosine wave pulse, it is very strong to vibrate, 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, and is output as pure sine wave, and is not only efficient, complementary series feed power supply, the supply voltage height, electric current is little, significantly reduces power consumption and increases power output.

Fig. 3, general large power triode constitutes the bridge vibration and requires bigger power output, when for example mating the 120W lamp load, only several the direct parallel operations of device can not be satisfactory, adopt four bridge hunting power synthetic effects obvious, the power output stack can be satisfied specification requirement, respectively that the mutual anti-phase exciting power of four bridges vibration power output is synthetic by two addition couplers, again the conversion of two addition coupler output currents being doubled summation, to deliver to the 3rd addition coupler power synthetic, and the high-power fluorescent tube that ignites of boosting is luminous.Three balance resistance R12, R13 and R14 do not have power consumption when synthetic two electric currents of power equate.

Fig. 4, tube circuit are two tubes and connect that third phase adds coupler 4c secondary inductance output high pressure and connects Resistor-Capacitor Unit R1, C1 absorption negative peak high pressure, suppresses the level and smooth lamplight brightness of noise radiation.Fluorescent tube series resonant circuit L1, C2 and L2, C4 meet fluorescent tube G1, G2 respectively, resonance frequency is the highest near four bridge frequency of oscillation fluorescent tube light efficiencies, fluorescent tube also meets startup capacitor C 3, C5 and thermistor RT1, RT2 series connection bidirectional trigger diode VD1, VD2, the very high bidirectional trigger diode conducting of light tube electric voltage during starter, electric current through thermistor to the filament preheating of switching on, lamp starter back light tube voltage reduces two-way trigger tube to be ended, and makes it not have the consumption preheating.

Fig. 5; overvoltage detects controller 1b when storage battery E1 voltage is higher than voltage stabilizing didoe VD10 reference voltage; A1 is output as low level; triode Q7 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 VD10 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 Q8 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 10, R11, R12 and R15, R16, R17 and potentiometer RP1, RP2 dividing potential drop insert operational amplifier homophase and inverting input respectively.Adjust operational amplifier voltage negative feedback resistance R13, R18 and potentiometer RP1, RP2 and reach the handoff threshold value.Resistance R 14, R19 play metering function.

Diode VD8 among Fig. 5 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 VD9 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 VD11, VD13 absorb relay J 1, J2 coil reverse potential, and protection punctures triode Q7, Q8.Voltage adapter 1d connects four bridge oscillators, 3 power ends.

The present embodiment sun-generated electric power is selected output voltage 60V for use, four bridge oscillator frequency 47KHZ, and two 56W fluorescent tubes of output coupling, inversion efficiency reaches 85%, and the temperature rise of oscillating tube radiator is below 40 ℃.

Claims

1. sun-generated electric power four bridge hunting powers are synthesized fluorescent lamp; comprise by solar battery array; overvoltage detects controller; under-voltage detection controller; the voltage adapter; sun-generated electric power and inverter and fluorescent tube that storage battery is formed; it is characterized in that: comprise that also inverter is by four full-bridge oscillators; three addition couplers; tube circuit and overload detection protective circuit are formed; three addition couplers are divided into the first addition coupler; the second addition coupler and third phase add coupler; four full-bridge oscillators are divided into full-bridge oscillator (3a); full-bridge oscillator (3b); full-bridge oscillator (3c) and full-bridge oscillator (3d); respectively by ferrimagnetism transformer (T1); (T2) and (T3); (T4) 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; complementary series feed power supply; fast recovery diode in parallel between four high-power oscillating tube collector electrodes and the emitter; resonant tank two ends cross-couplings also in parallel constitutes the bridge oscillator to managing base resistance quiescent biasing and electric capacity positive feedback; 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; full-bridge oscillator (3a) and full-bridge oscillator (3b) power output are respectively 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 (3c) and full-bridge oscillator (3d) power output are respectively by ferrimagnetism transformer (T3); (T4) the anti-phase access second addition coupler primary inductance single order power of secondary inductance is synthetic; it is synthetic that the first addition coupler and the anti-phase access third phase of the second addition coupler secondary inductance add coupler primary inductance second order power; third phase adds the coupler secondary inductance access tube circuit that boosts; the overload detection protective circuit through magnet ring inductance induced potential diode peak detection, detects voltage access interface management and control system oscillating tube by the lamp load electric current.

2. sun-generated electric power four bridge hunting powers according to claim 1 are synthesized fluorescent lamp, it is characterized in that: tube circuit connects third phase and adds the coupler secondary inductance, at the inductance two ends and connect the capacitance-resistance RC element of series connection, connect fluorescent tube series resonant circuit inductance, electric capacity a end then, thermistor and bidirectional trigger diode that the filament other end also connects pipeline start up by preheating electric capacity and is connected in series to tube filament.

3. sun-generated electric power four bridge hunting powers according to claim 1 are synthesized fluorescent 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.