CN202059662U

CN202059662U - Solar energy power supply eight-bridge-oscillation power synthesized high voltage sodium lamp

Info

Publication number: CN202059662U
Application number: CN201120110270XU
Authority: CN
Inventors: 阮树成
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-04-03
Filing date: 2011-04-03
Publication date: 2011-11-30
Anticipated expiration: 2021-04-03

Abstract

The utility model relates to the field of electronic technology, which is a high-voltage sodium lamp synthesized by eight-bridge oscillation power of a solar power source. Including a solar power supply composed of a solar cell array, an overvoltage detection controller, an undervoltage detection controller, a voltage adapter, and a battery, an inverter and a high-pressure sodium lamp, and an inverter composed of a frequency modulation signal generator, eight bridges Type oscillator, seven summing couplers, lamp circuit and overload detection and protection circuit, eight-bridge oscillation power synthesis frequency modulation to suppress "acoustic resonance" light flickering, output power connected to lamp circuit to produce high light efficiency. The circuit of the utility model is unique and efficient, and is widely used in the lighting of high-power high-pressure sodium lamps in the occasions where there is no AC mains power or the power supply is inconvenient for automobiles, trains and ships.

Description

Sun-generated electric power eight bridge hunting powers are synthesized high-pressure sodium lamp

Technical field

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

Background technology

The high-pressure sodium lamp HID of automobile, the power supply of ship sun-generated electric power, the photoelectric conversion efficiency height can produce floodlighting, is suitable for the inside and outside illumination of car and boat, throws light on as automobile headlamp.High-pressure sodium lamp is that a kind of high intensity discharge is luminous, and operating voltage is at hundreds of volts, and ignition trigger voltage just can ignite more than 3KV usually.Sun-generated electric power power supply high voltage sodium lamp electronic core is a DC-AC inverter.Lamp load power adopts the large power triode push-pull oscillator to obtain effect preferably when the 25W left and right sides.But high-pressure sodium lamp power is all bigger, and drive current is corresponding wants big, and at this moment the power device of inverter power consumption sharply increases, because the car and boat inner space is limit the radiator volume can not do the very high meeting of big heating up and burnt out components and parts, cisco unity malfunction.In addition, high-pressure sodium lamp high frequency electric source power supply very easily produces " acoustic resonance ", and the wave impulse of fluorescent tube internal pressure forms standing wave from the tube wall reflection when identical with the high-frequency current harmonic phase, and the unstable light flash of guiding discharge electric arc is dizzy to the human eye generation.

Summary of the invention

The purpose of this utility model provides the sun-generated electric power power supply, drags the synthetic high-pressure sodium 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 fluorescent tube, comprise that also inverter is by eight bridge-type oscillators, seven addition couplers, FM signal generator, tube circuit and overload detection protective circuit are 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 bridge-type oscillators are divided into bridge-type oscillator 6a, bridge-type oscillator 6b, bridge-type oscillator 6c, bridge-type oscillator 6d, bridge-type oscillator 6e, bridge-type oscillator 6f and bridge-type oscillator 6g, bridge-type 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, 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 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 FM signal generator output signal inserts eight bridge-type oscillator mouthpieces, suppress light flash by oscillating tube interelectrode capacitance modulating oscillation frequency, bridge-type oscillator 6a and bridge-type 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, bridge-type oscillator 6c and bridge-type 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, bridge-type oscillator 6e and bridge-type 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, bridge-type oscillator 6g and bridge-type 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, the overload detection protective circuit by the lamp load electric current through magnet ring inductance induced potential diode detection, detect voltage access interface management and control system oscillating tube, the FM signal generator power end inserts sun-generated electric power;

Wherein, FM signal generator constitutes astatic multivibrator and active band-pass filter by operational amplifier A 1, A2 and resistance, electric capacity, the A1 biasing resistor is identical with the feedback resistance value, the capacitor charge and discharge time is identical, constitute the astatic multivibrator of symmetry upset, A2 constitutes the negative feedback active band-pass filter by resistance, the single T frequency-selective network of electric capacity RC, the A1 output signal inserts eight bridge-type oscillator mouthpieces through the active bandpass filtering of A2, suppresses light flash by oscillating tube interelectrode capacitance modulating oscillation frequency;

Tube circuit inserts the 7th addition coupler secondary inductance by the capacitance series fluorescent tube, and connect the bidirectional triode thyristor anode through current-limiting resistance, charging connects bidirectional trigger diode triggering bidirectional triode thyristor gate pole to electric capacity by resistance in addition, bidirectional triode thyristor anode and negative electrode are attempted by the pulse firing transformer of connecting with discharge capacity, the pulse firing secondary coil connects fluorescent tube, and elementary, the secondary tie point of bidirectional triode thyristor negative electrode, charging capacitor and pulse firing coil inserts the 7th addition coupler secondary inductance earth terminal;

The sun-generated electric power overvoltage detects controller and connects the voltage stabilizing didoe reference voltage by operational amplifier A 3 in-phase input ends, inverting input connects battery tension, 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 4 inverting inputs, and in-phase input end connects battery tension, and output is amplified through the triode electric current and 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 synthetic frequency modulation of eight bridge hunting powers of powering suppresses light flash, the synthetic vibration of capacitance-resistance cross-couplings eight bridge hunting powers is very strong, obtain the high light efficiency of high-power lamp load, the complementary series feed power supply of oscillating circuit, the high electric current of supply voltage is little, reduces power consumption and increases power output.Not only efficient, opposite three rank of collector current phase place and high-order odd harmonic are zero, and even-order harmonic is cancelled out each other, and is output as pure sine wave, are 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

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

Fig. 4 FM signal generator

Fig. 5 tube circuit

Overvoltage of Fig. 6 sun-generated electric power and under-voltage detection controller circuitry

Specific implementation method

With reference to Fig. 1; 2; 3 and Fig. 6 (Fig. 2 is an example with bridge-type oscillator 6a circuit; all the other bridge-type oscillator circuit 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 fluorescent tube; comprise that also inverter is by FM signal generator 3; eight bridge-type oscillators 6; seven addition couplers 4; tube circuit 2 and overload detection protective circuit 5 are formed; seven addition couplers 4 are divided into the first addition coupler 4a; the second addition coupler 4b; third phase adds coupler 4c; the 4th addition coupler 4d; the 5th addition coupler 4e; the 6th addition coupler 4f; the 7th addition coupler 4g; eight bridge-type oscillators 6 are divided into bridge-type oscillator 6a; bridge-type oscillator 6b; bridge-type oscillator 6c; bridge-type oscillator 6d; bridge-type oscillator 6e; bridge-type oscillator 6f and bridge-type oscillator 6g; bridge-type 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 positive pole; two high-power oscillating tube Q3 of NPN; the Q4 grounded emitter; four high-power oscillating tube Q1; Q2 and Q3; fast extensive diode VD1 in parallel 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; the mouthpiece base stage; collector electrode meets voltage negative feedback biasing resistor R5; R6; grounded emitter; FM signal generator 3 output signals are through coupling capacitance C6; resistance R 7; R8 inserts eight bridge-type oscillator mouthpieces; by oscillating tube Q3; Q4 interelectrode capacitance modulating oscillation frequency suppresses light flash; bridge-type oscillator 6a and bridge-type oscillator 6b power output are by ferrimagnetism transformer T1; the anti-phase access first addition coupler 4a primary inductance single order power of T2 secondary inductance is synthetic; bridge-type oscillator 6c and bridge-type oscillator 6d power output are by ferrimagnetism transformer T3; the anti-phase access second addition coupler 4b primary inductance single order power of T4 secondary inductance is synthetic; bridge-type oscillator 6e and bridge-type 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 4c primary inductance single order power; bridge-type oscillator 6g and bridge-type oscillator 6h power output are by ferrimagnetism transformer T7; anti-phase access the 4th addition coupler 4d primary inductance single order power of T8 secondary inductance is synthetic; anti-phase access the 5th addition coupler 4e primary inductance second order power of the first addition coupler 4a and the second addition coupler 4b secondary inductance is synthetic; third phase adds coupler 4c and anti-phase access the 6th addition coupler 4f primary inductance second order power of the 4th addition coupler 4d secondary inductance is synthetic; anti-phase access the 7th addition coupler 4g primary inductance of the 5th addition coupler 4e and the 6th addition coupler 4f secondary inductance three rank power are synthetic, and secondary inductance is boosted and inserted tube circuit 2.

Overload detection protective circuit 5 through magnet ring inductance L 3 induced potential diode detection VD5, detects voltage through capacitor C 7, resistance R 18 filtering by the lamp load electric current, resistance R 9, R10 current limliting access interface pipe Q5, Q6 control oscillating tube Q3, Q4 and Q1, Q2.When fluorescent tube loose contact or lamp load short circuit produce big electric current, overload detection voltage makes Q5, Q6 saturation conduction, and oscillating tube Q3, Q4 and Q1, Q2 play a protective role immediately by failure of oscillation.FM signal generator 3 power ends insert sun-generated electric power 1.Diode VD1, VD2 and VD3, VD4 absorb the high back-pressure of oscillating tube, avoid puncturing.

Bridge-type 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 two-stage LC frequency selective amplifier that the output input directly links to each other, high-power oscillating tube Q3, Q4 and Q1, the Q2 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, make lamp load be output as pure sine wave, not only efficient, the complementary series feed power supply of oscillating circuit, the high electric current of supply voltage is little, reduces power consumption and increases power output.

The bridge-type vibration power output that general large power triode constitutes can only 50W about, when requiring bigger power output, as mate the 450W 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, and is respectively that the mutual anti-phase exciting power of eight bridges vibration power output is synthetic by seven addition couplers, boosts and ignites high-power or many middle low power lamp luminescence.No power waste when balance resistance R11, R12, R13, R14, R15 and R14, R17 equate at two synthetic electric currents of power.

Fig. 4, FM signal generator is a multivibrator by operational amplifier A 1, biasing resistor R19, R20 and negative feedback R21, the R22 value is identical, capacitor C 8 is filled, discharge time is identical, the output symmetrical square wave, through operational amplifier A 2 and resistance R 23, R24, R25 and capacitor C 9, C10 forms the single T frequency-selective network of negative feedback RC active band-pass filter filtering high order harmonic component, the output first-harmonic is that low-frequency sine inserts eight bridge-type oscillator mouthpiece Q5, Q6, by oscillating tube Q3, Q4 interelectrode capacitance modulating oscillation frequency, low-frequency sine constantly changes around the injection locking centre frequency, lamp electric arc can't form the standing wave resonance point, avoids " acoustic resonance " light flash.

Fig. 5, tube circuit makes bidirectional trigger diode VD6 conducting at the synthetic output of moment the 7th addition coupler 4g power high pressure that startup is turned on light by capacitor C 11,12 chargings of 26 pairs of capacitor C of resistance R, and then triggering bidirectional triode thyristor VS1 gate pole makes its conducting, electric current is through current-limiting resistance R27, discharge capacity C13 and pulse firing transformer T9 primary coil L4, sense secondary coil L5 and boost into high-voltage pulse, igniting triggers high-pressure sodium lamp G gas breakdown conducting, makes the high-pressure sodium lamp startup ignite luminous.

Fig. 6; the sun-generated electric power overvoltage detects controller 1b when storage battery E voltage is higher than voltage stabilizing didoe VD7 reference voltage; A3 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 E overvoltage charging, storage battery E voltage are when being reduced to the VD7 reference voltage under the illumination power consumption, and the anti-phase input current potential of A3 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 E voltage is lower than voltage stabilizing didoe VD9 reference voltage; A4 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 E; when storage battery E is higher than the VD9 reference voltage along with charging voltage rises; A4 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 28, R29, R30 and R33, R34, R35 and potentiometer RP1, RP2 dividing potential drop insert operational amplifier homophase and inverting input respectively.Adjust operational amplifier voltage negative feedback resistance R31, R36 and potentiometer RP1, RP2 and reach the handoff threshold value.Resistance R 32, R37 metering function.

Diode VD11 electricity storage preventing pond reverse charge, storage battery E 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 VD12 is anti-reverse, when storage battery E polarity connects the inverse time conducting, produces big electric current with fuse F quick fuse, plays protective action.Diode VD8, VD10 absorb relay J 1, J2 coil reverse potential, and protection punctures triode Q7, Q8.Voltage adapter 1d built-in power decoupling filter connects eight bridge oscillators 6 and FM signal generator 3 power ends.

Embodiment solar DC voltage is 60V, eight bridge frequency of oscillation 51KHZ, and low frequency signal 260HZ frequency modulation deviation range 2.6KHZ suppresses light flash, power output coupling 450W high-pressure sodium fluorescent tube, inversion efficiency 85%, the temperature rise of oscillating tube radiator is lower than 40 ℃.

Claims

1. A high-voltage sodium lamp composed of eight-bridge oscillation power of a solar power supply, comprising a solar power supply, an inverter and a lamp tube composed of a solar cell array, an overvoltage detection controller, an undervoltage detection controller, a voltage adapter, and a storage battery. It is characterized in that the inverter is composed of eight bridge oscillators, seven summing couplers, frequency modulation signal generator, lamp circuit and overload detection and protection circuit, and the seven summing couplers are divided into the first summing coupler Coupler, second adding coupler, third adding coupler, fourth adding coupler, fifth adding coupler, sixth adding coupler, seventh adding coupler, eight bridge oscillators The oscillator is divided into bridge oscillator (6a), bridge oscillator (6b), bridge oscillator (6c), bridge oscillator (6d), bridge oscillator (6e), bridge oscillator (6f) And bridge oscillator (6g), bridge oscillator (6h), respectively by eight ferrite magnetic transformers (T1), (T2), (T3), (T4) and (T5), (T6), (T7), (T8) The primary inductance parallel capacitor is a resonant circuit, and the two ends of the resonant circuit are respectively connected to the collectors of two PNP high-power oscillating tubes and two NPN high-power oscillating tube collectors, and the two PNP high-power oscillating tubes emit The pole is connected to the positive pole of the solar power supply, the emitters of the two NPN high-power oscillation tubes are grounded, the fast recovery diodes are connected in parallel between the collectors and emitters of the four high-power oscillation tubes, and the two ends of the resonant circuit are also connected in parallel and cross-coupled to the base resistance of the pair of tubes. Bias and capacitor positive feedback form a bridge oscillator. The bases of two NPN high-power oscillator tubes are connected in parallel to the collector of the control signal interface tube. The base and collector of the interface tube are connected to the voltage negative feedback bias resistor, the emitter is grounded, and frequency modulation The output signal of the signal generator is connected to eight bridge oscillator interface tubes through coupling capacitors and resistors, and the oscillation frequency is modulated by the capacitance between the oscillator tubes to suppress light flickering, and the bridge oscillator (6a) and bridge oscillator (6b) output The power is connected to the primary inductance of the first summing coupler in reverse phase by the secondary inductance of the ferrite magnetic transformer (T1) and (T2) for first-order power synthesis, and the output of the bridge oscillator (6c) and bridge oscillator (6d) The power is connected to the secondary inductance of the ferrite magnetic transformer (T3) and (T4) in reverse phase to the first-order power synthesis of the primary inductance of the second summing coupler, and the output of the bridge oscillator (6e) and bridge oscillator (6f) The power is connected by the secondary inductance of the ferrite magnetic transformer (T5) and (T6) in reverse phase to the first-order power synthesis of the primary inductance of the third summing coupler, and the output of the bridge oscillator (6g) and the bridge oscillator (6h) The power is connected to the primary inductance of the fourth adding coupler by the secondary inductance of the ferrite magnetic transformer (T7) and (T8) in reverse phase. The primary inductance of the fifth adding coupler is connected in reverse phase to the second-order power combination, and the secondary inductance of the third adding coupler and the fourth adding coupler is connected in reverse phase to the primary inductance of the sixth adding coupler. The secondary inductance of the fifth adding coupler and the sixth adding coupler is connected in reverse phase to the primary inductor of the seventh adding coupler for third-order power synthesis, and the secondary inductance is boosted and connected to the lamp circuit, overloading In the detection and protection circuit, the load current of the lamp is detected by the voltage diode induced by the inductance of the magnetic ring, the detection voltage is connected to the interface tube to control the oscillation tube, and the power supply terminal of the frequency modulation signal generator is connected to the solar power supply.

2. The eight-bridge oscillation power synthesis high pressure sodium lamp of solar power supply according to claim 1, is characterized in that: the FM signal generator consists of operational amplifiers A1, A2 and resistors, capacitors to form a self-excited multivibrator and an active band-pass filter A1 bias resistor and feedback resistor have the same value, and the capacitor charging and discharging time is the same, forming a self-excited multivibrator with symmetrical flip. A2 is a negative feedback active bandpass filter composed of a resistor and a capacitor RC single-T frequency selection network. The output signal of A1 is connected to eight bridge oscillator interface tubes through A2 active band-pass filter, and the oscillation frequency is modulated by the capacitance between the electrodes of the oscillator tube to suppress the flickering of lights.

3. The eight-bridge oscillating power synthesis high-pressure sodium lamp of solar power supply according to claim 1 is characterized in that: the lamp tube circuit is connected to the secondary inductance of the seventh summing coupler by connecting the lamp tube in series with a capacitor, and connected to The anode of the bidirectional thyristor is connected to the bidirectional trigger diode to trigger the gate of the bidirectional thyristor, and the anode and cathode of the bidirectional thyristor are connected in parallel to the primary coil of the pulse ignition transformer connected in series with the discharge capacitor, and the secondary coil of the pulse ignition The lamp tube is connected, and the primary and secondary connection points of the bidirectional thyristor cathode, the charging capacitor and the pulse ignition coil are connected to the ground terminal of the secondary inductance of the seventh adding coupler.

4. The eight-bridge oscillating power synthesis high pressure sodium lamp of solar power supply according to claim 1, characterized in that: the overvoltage detection controller of solar power supply is connected with the voltage regulator diode reference voltage by the non-inverting input terminal of the operational amplifier A3, and connected with the storage battery by the inverting input terminal Voltage, the output is amplified by the triode current and connected to the relay coil, and the normally closed contact switches the charging overvoltage control of the solar cell array; the undervoltage detection controller is connected to the reference voltage of the Zener diode by the inverting input terminal of the operational amplifier A4, and connected to the battery voltage by the non-inverting input terminal , the output is amplified by the triode current and connected to the relay coil, and the normally open contact switches the discharge and undervoltage control of the solar cell array.