CN103338575A - Solar power supply dual-full-bridge injection locking power synthesis fluorescent lamp bank - Google Patents
Solar power supply dual-full-bridge injection locking power synthesis fluorescent lamp bank Download PDFInfo
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- CN103338575A CN103338575A CN2013101557431A CN201310155743A CN103338575A CN 103338575 A CN103338575 A CN 103338575A CN 2013101557431 A CN2013101557431 A CN 2013101557431A CN 201310155743 A CN201310155743 A CN 201310155743A CN 103338575 A CN103338575 A CN 103338575A
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Abstract
The invention relates to the technical field of electric light sources, and particularly relates to a solar power supply dual-full-bridge injection locking power synthesis fluorescent lamp bank. Two RC oscillators are both connected with a resistor R3 and a capacitor C4 and oscillate synchronously; a self-oscillation chip 4, an output power transformer T1 of a full-bridge inverter A, a self-oscillation chip 6 and an output power transformer T2 of a full-bridge inverter B are fed into an adding coupler in opposite phases; the synthesized power is matched with the fluorescent lamp bank; reference crystal oscillator signals are injected into the RC oscillators of the two self-oscillation chips 4, 6 through a frequency divider so as to lock the phase; and large-power lighting is acquired, thereby avoiding too high temperature rise of devices, changes in the oscillation frequency, unbalance of the power and reduction of the lamplight; and lamp tube abnormal current detection signals are connected to SD ends of the oscillators of the two self-oscillation chips through a triode, thereby controlling quick stop of the oscillation to turn off a power metal oxide semiconductor (MOS) field effect transistor of the full-bridge inverter. The solar power supply dual-full-bridge injection locking power synthesis fluorescent lamp bank is applied to lighting in conference rooms, living rooms and houses.
Description
Technical field
The present invention relates to the electric source lighting technical field, specifically is that a kind of sun-generated electric power bridge of enjoying a double blessing is annotated the synthetic fluorescent lamp group of lock power.
Background technology
Prior art usually with LC or RC oscillator as fluorescent lamp group electric light source, it is stable inadequately that the frequency of oscillation of generation is subjected to the temperature change stability difference to influence power, causes light intensity to descend, though simple in structure, cost is low.Certainly will increase device current but obtain high-power illumination, cause the too high frequency of oscillation that causes of hunting power pipe power consumption sharp increase temperature rise to change, the result can make light unbalance with the frequency change power magnitude.Simultaneously, big electric current descends by the high magnetic permeability of coil temperature rise, the little impedance trend zero of saturation inductors quantitative change, light fixture operating time and temperature rise direct ratio, device aging is accelerated in temperature rise, and gently then the unstable brightness of lamp luminescence descends, and is heavy then burn out device reduction of service life.The stack of Granted publication CN201976315U inverter power drags large-power lamp, solves the restriction of device power capacity.But, require power to synthesize oscillating voltage phase place unanimity, unbalanced to overcome non-linear intermodulation power.
Summary of the invention
The purpose of this invention is to provide sun-generated electric power power supply, inversion a kind of sun-generated electric power of high frequency stabilization Phase synchronization high-power illumination bridge of enjoying a double blessing that vibrates is annotated the synthetic fluorescent lamp group of lock power.
The technology of the present invention solution is: comprise sun-generated electric power, the fluorescent tube group, the benchmark crystal oscillator, frequency divider, two self-oscillation chips, full-bridge inverter A, full-bridge inverter B, the addition coupler, tube circuit, wherein, the benchmark crystal oscillator is by quartz-crystal resonator, two inverters and resistance, electric capacity is formed, first inverter input and output two ends cross-over connection biasing resistor, and respectively and connect ground capacity, simultaneously, the quartz-crystal resonator of cross-over connection series connection trimmer also, benchmark crystal oscillator output signal inserts frequency divider through second inverter, the self-oscillation chip includes oscillator, the full-bridge inverting drive circuit, two self-oscillation chip oscillators are total to connecting resistance R
3, capacitor C
4Synchronized oscillation, output connect full-bridge inverter A, the full-bridge inverter B that is merged by two groups of complementary half-bridges of four MOS field effect tubes, self-oscillation chip and full-bridge inverter A output power transformer T through the full-bridge inverting drive circuit respectively
1With self-oscillation chip and full-bridge inverter B output power transformer T
2Anti-phase feed-in addition coupler power is synthetic, insert tube circuit coupling fluorescent tube group starter, benchmark crystal oscillator signal injects two self-oscillation chip EXO end locking phases through frequency divider, tube circuit abnormal current detection signal inserts two self-oscillation chip SD ends through triode, the quick failure of oscillation of control vibration turn-offs the full-bridge inverter MOS field effect tube, and sun-generated electric power inserts the power end of benchmark crystal oscillator, frequency divider, self-oscillation chip and full-bridge inverter A and self-oscillation chip and full-bridge inverter B;
Wherein, tube circuit by the fluorescent tube group by fluorescent tube DG
1～nFilament one end is through resonant inductance LB
1～n, resonant capacitance CB
1～nConnect and pass the addition coupler T that lamp current detects mutual inductance magnet ring ground connection
3Inductance L
6, inductance L
7Meet diode VD
1Detection, capacitor C
9, resistance R
7Filtering is through resistance R
4, R
5Dividing potential drop, triode trigger two self-oscillation chip lamp failure protection control end SD, fluorescent tube DG
1～nAnother termination of filament starts capacitor C U
1～n
Sun-generated electric power is by photovoltaic battery panel E
1Output series connection blocking diode VD
2, relay contact J-1 connects storage battery E
2With the light fixture DW that is connected to switch S, storage battery E
2Cross pressure-controlled sample resistance R
8, RP
1, R
9Base chip IC during access
5High level trigger end TH, under-voltage control sample resistance R
10, RP
2, R
11Insert low level trigger end TL, the time base chip IC
5Electrical equipment is succeeded in output, and storage battery seals in quick fuse F, and takes over control reversal connection diode VD
3
The present invention produces good effect: it is synthetic to solve sun-generated electric power the vibrate high frequency stabilization, Phase synchronization power of bridge inversion of enjoying a double blessing, reach the high-power fluorescent lamp group illumination that single self-oscillation full-bridge inverter is difficult to obtain, avoid device temperature rise frequency of oscillation to change power imbalances, steady light increases the service life.
Description of drawings
Fig. 1 technical solution of the present invention theory diagram
Fig. 2 benchmark crystal oscillating circuit
Fig. 3 sun-generated electric power bridge of enjoying a double blessing is annotated the synthetic fluorescent lamp group circuit of lock power
Fig. 4 solar-electricity source circuit
Embodiment
(Fig. 3 is example with self-oscillation chip and full-bridge inverter A circuit with reference to Fig. 1,2,3,4, self-oscillation chip and full-bridge inverter B are identical), the specific embodiment of the invention and embodiment: comprise sun-generated electric power 1, fluorescent tube group 9, benchmark crystal oscillator 2, frequency divider 3, two self-oscillation chips 4,6, full-bridge inverter A5, full-bridge inverter B7, addition coupler 8, tube circuit 10, wherein, benchmark crystal oscillator 2 is by quartz-crystal resonator JT, two inverter ics
1, IC
2And resistance R
1, capacitor C
0, C
1, C
2Form first inverter ic
1Input and output two ends cross-over connection biasing resistor R
1, and respectively and meet ground capacity C
1, C
2, simultaneously, go back cross-over connection series connection trimming capacitor C
0Quartz-crystal resonator JT, benchmark crystal oscillator 2 output signals are through second inverter ic
2 Insert frequency divider 3, the self-oscillation chip IC
4UBA2030T includes oscillator, full-bridge inverting drive circuit, and two self-oscillation chips 4,6 oscillators are total to connecting resistance R
3, capacitor C
4Synchronized oscillation, output connects by four MOS field effect tube Q through the full-bridge inverting drive circuit respectively
1, Q
2, Q
3, Q
4Two groups of full-bridge inverter A5, full-bridge inverter B7 that complementary half-bridge is merged, self-oscillation chip 4 and full-bridge inverter A5 output power transformer T
1With self-oscillation chip 6 and full-bridge inverter B7 output power transformer T
2Anti-phase feed-in addition coupler 8 power are synthetic, insert tube circuit 10 coupling fluorescent tube groups 9 starters, and benchmark crystal oscillator 2 signals are through frequency divider 3 frequency division ÷ N reference signal f
0Inject two self-oscillation chips 4,6 EXO end locking phase, tube circuit 10 abnormal current detection signals insert two self-oscillation chips 4,6 SD end through triode, the quick failure of oscillation of control vibration turn-offs the full-bridge inverter MOS field effect tube, and sun-generated electric power 1 inserts the power end of benchmark crystal oscillator 2, frequency divider 3, self-oscillation chip 4 and full-bridge inverter A5 and self-oscillation chip 6 and full-bridge inverter B7.
IC
4Pin mark function: HV high voltage source, V
DDLow-tension supply, the input of RC oscillator, the external oscillator of EXO, GHL drives Q
1, GLL drives Q
2, GHR drives Q
3, GLR drives Q
4, the output of SHL bridge circuit meets Q
1Source electrode, output transformer T
1Inductance L
1, the output of SHR bridge circuit meets Q
3Source electrode, capacitor C
7, the BE bridge circuit enables control, and the BER bridge circuit enables reference, DTC Dead Time control, the FSL power supply of floating, the FSR power supply of floating, SD closes vibration, GND ground connection.
IC
5Pin mark function: V
CCPower end, the TL low level triggers, and the TH high level triggers, V
MRReset Vc voltage control, DIS discharge end, V
0Output, GND ground connection.
The self-oscillation chip IC
4Power end HV inserts the sun-generated electric power high voltage source, generates Dc low voltage power supply V by chip internal
DDProduce vibration, capacitor C
3The filtering ripple, vibration starts bootstrap capacitor C
5The charging power supply of floating, full-bridge inverter diagonal power MOS pipe Q
1, Q
4Conducting, Q
2, Q
3End, at this moment capacitor C
6The charging power supply of floating, Q
1, Q
4Conducting, Q
2, Q
3End, the half period that takes turns to operate, output voltage is square wave.Full-bridge alternately switches 1/2 FREQUENCY CONTROL by RC oscillator frequency of oscillation, resistance R
2Control waveform Dead Time.
Two full-bridge inverter power are synthetic to drag large-power lamp, and dilatation is reliable.But require two self-oscillation chip oscillate voltage-phase unanimities, unbalanced to eliminate non-linear intermodulation power, obtain stable power output.For this reason, introduce injection phase-locking and solve power synthesis phase simultaneous techniques.
Injection phase-locking is need not be voltage-controlled tuning, phase demodulation, loop filtering, and circuit structure is simple, superior performance, and fringe cost is low.Injection phase-locking there is not difference with looped phase locking in essence, and it is synchronous to be suitable for the synthetic light fixture stable oscillation stationary vibration frequency plot of power, and stable power output is avoided the too high power imbalances of device temperature rise, increases the service life.
Benchmark crystal oscillator quartz resonator quality factor height, frequency is subjected to variations in temperature minimum, and it is highly stable that to make reference accurate.Reference signal is injected self-oscillation chip EXO end locking phase through frequency division.Do not inject reference signal self-oscillation chip RC oscillator and produce free oscillation frequency, it is synthetic to inject reference signal RC oscillating voltage and its vector, by self-oscillation chip additive mixing locking phase, oscillator signal and injection reference signal only have a fixing phase difference.Synchronization bandwidth and injecting power direct ratio, with RC oscillator loaded Q inverse ratio, because reference signal is injected the input of RC oscillator, gain is high, the small-power locking.Two self-oscillation chip oscillators are total to connecting resistance R
3, capacitor C
4Synchronized oscillation, locking time is fast.
Based on injecting the integral multiple that reference frequency is the locking frequency of oscillation, or frequency of oscillation is the integral multiple of reference frequency, and the reference signal frequency division injects the high wen-frequency characteristics quartz resonator of apolegamy upper frequency, is easy to lock tens of to hundreds of kilo hertzs of LC or RC oscillator.Frequency divider IC
3Binary system or decimal system counting frequency division.
Addition coupler T
3Inductance L
5Recommend output power transformer T with two
1, T
2Inductance L
2, L
4Anti-phase exciting current stack, 180 ° of low-order harmonics of phase difference are cancelled out each other, and the output current conversion doubles summation and delivers to lamp load, and input voltage, frequency, phase place and load are identical, and electric current equates equalizing resistance R
6No power waste.
Light tube group DG
1～nAbnormality detection mutual inductance magnet ring inductance L
7Voltage diode VD
1Detection, capacitor C
9, resistance R
7Filtering is through resistance R
4, R
5Dividing potential drop, triode VT
1Trigger two self-oscillation chip SD ends, trigger voltage 4.5V～V
DDDuring high level signal, failure of oscillation turn-offs the full-bridge inverter power tube fast rapidly, in order to avoid impaired.
The under-voltage control of sun-generated electric power, base chip IC when battery tension is lower than
5The 555 low level trigger end TL 1/3V that takes a sample
CCThe time, the set of time base chip, the relay J adhesive, contact J-1 connects charge in batteries, when the battery tension abundance, crosses pressure-controlled voltage and is higher than the high level trigger end HL 2/3V that takes a sample
CC, time base chip reset, relay releasing contact J-1 cuts off solar cell the storage battery overvoltage is charged.Along with fluorescent lamp group DW illumination consumed power battery tension is reduced to set voltage, solar cell recovers charging, makes battery tension remain on the illumination desirable value, the illumination of switch S control lamp.
Blocking diode VD
2Unilateal conduction prevents storage battery to the solar cell reverse charge, diode VD
3When reverse connection of accumulator conducting short circuit, blown fuse F protects storage battery fast.Capacitor C
11, C
12Decoupling, resistance R
12, capacitor C
10, voltage stabilizing didoe VD
4Base chip power when supplying.Diode VD
5Suppress the relay J adhesive, discharge the reverse voltage that produces, protection IC
5Impaired.
Embodiment sun-generated electric power 450V, the bridge inverter current 0.63A that enjoys a double blessing drives 240W fluorescent lamp group pipe DG
1～DGn, efficient 85%, the inverter current low power consumption is low, and light is stable.
Claims (3)
1. the sun-generated electric power bridge of enjoying a double blessing is annotated the synthetic fluorescent lamp group of lock power, comprise sun-generated electric power, the fluorescent tube group, it is characterized in that: also comprise the benchmark crystal oscillator, frequency divider, two self-oscillation chips, full-bridge inverter A, full-bridge inverter B, the addition coupler, tube circuit, wherein, the benchmark crystal oscillator is by quartz-crystal resonator, two inverters and resistance, electric capacity is formed, first inverter input and output two ends cross-over connection biasing resistor, and respectively and connect ground capacity, simultaneously, the quartz-crystal resonator of cross-over connection series connection trimmer also, benchmark crystal oscillator output signal inserts frequency divider through second inverter, the self-oscillation chip includes oscillator, the full-bridge inverting drive circuit, two self-oscillation chip oscillators are total to connecting resistance R
3, capacitor C
4Synchronized oscillation, output connect full-bridge inverter A, the full-bridge inverter B that forms by two groups of complementary half-bridge spellings of four MOS field effect tubes, self-oscillation chip and full-bridge inverter A output power transformer T through the full-bridge inverting drive circuit respectively
1With self-oscillation chip and full-bridge inverter B output power transformer T
2Anti-phase feed-in addition coupler power is synthetic, connect tube circuit coupling fluorescent tube group starter, benchmark crystal oscillator signal injects two self-oscillation chip EXO end locking phases through frequency divider, tube circuit abnormal current detection signal inserts two self-oscillation chip SD ends through triode, the quick failure of oscillation of control vibration turn-offs the full-bridge inverter MOS field effect tube, and sun-generated electric power inserts the power end of benchmark crystal oscillator, frequency divider, self-oscillation chip and full-bridge inverter A and self-oscillation chip and full-bridge inverter B.
2. the sun-generated electric power according to claim 1 bridge of enjoying a double blessing is annotated the synthetic fluorescent lamp group of lock power, it is characterized in that: tube circuit by the fluorescent tube group by fluorescent tube DG
1～nFilament one end is through resonant inductance LB
1～n, resonant capacitance CB
1～nConnect and pass the addition coupler T that lamp current detects mutual inductance magnet ring ground connection
3Inductance L
6, fluorescent tube DG
1～nAnother termination of filament starts capacitor C U
1～n, inductance L
7Meet diode VD
1Detection, capacitor C
9, resistance R
7Filtering is through resistance R
4, R
5Dividing potential drop, triode trigger two self-oscillation chip lamp failure protection control end SD.
3. the sun-generated electric power according to claim 1 bridge of enjoying a double blessing is annotated the synthetic fluorescent lamp group of lock power, and it is characterized in that: sun-generated electric power is by photovoltaic battery panel E
1Output series connection blocking diode VD
2, relay contact J-1 connects storage battery E
2With the light fixture DW that is connected to switch S, storage battery E
2Cross pressure-controlled sample resistance R
8, RP
1, R
9Base chip IC during access
5High level trigger end TH, under-voltage control sample resistance R
10, RP
2, R
11Insert low level trigger end TL, the time base chip IC
5Electrical equipment is succeeded in output, and storage battery seals in quick fuse F, and takes over control reversal connection diode VD
3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310155743.1A CN103338575B (en) | 2013-04-15 | 2013-04-15 | Solar power supply dual-full-bridge injection locking power synthesis fluorescent lamp bank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310155743.1A CN103338575B (en) | 2013-04-15 | 2013-04-15 | Solar power supply dual-full-bridge injection locking power synthesis fluorescent lamp bank |
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| Publication Number | Publication Date |
|---|---|
| CN103338575A true CN103338575A (en) | 2013-10-02 |
| CN103338575B CN103338575B (en) | 2015-02-11 |
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|---|---|---|---|
| CN201310155743.1A Expired - Fee Related CN103338575B (en) | 2013-04-15 | 2013-04-15 | Solar power supply dual-full-bridge injection locking power synthesis fluorescent lamp bank |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060006816A1 (en) * | 2004-07-07 | 2006-01-12 | Osram Sylvania Inc. | Resonant inverter including feed back circuit having phase compensator and controller |
| KR100649932B1 (en) * | 2005-11-24 | 2006-11-27 | 류주현 | Electronic ballast using piezoelectric transformer |
| CN201976331U (en) * | 2011-04-03 | 2011-09-14 | 阮雪芬 | Solar powered fourfold bridge oscillatory power synthesis electrodeless lamp |
| CN202068651U (en) * | 2011-04-03 | 2011-12-07 | 张妙娟 | Solar power supply four-bridge oscillation power synthesis fluorescent lamp |
| CN203301838U (en) * | 2013-04-15 | 2013-11-20 | 梅玉刚 | Solar power supply double-full-bridge injection phase-locking power synthesis fluorescent lamp set |
-
2013
- 2013-04-15 CN CN201310155743.1A patent/CN103338575B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060006816A1 (en) * | 2004-07-07 | 2006-01-12 | Osram Sylvania Inc. | Resonant inverter including feed back circuit having phase compensator and controller |
| KR100649932B1 (en) * | 2005-11-24 | 2006-11-27 | 류주현 | Electronic ballast using piezoelectric transformer |
| CN201976331U (en) * | 2011-04-03 | 2011-09-14 | 阮雪芬 | Solar powered fourfold bridge oscillatory power synthesis electrodeless lamp |
| CN202068651U (en) * | 2011-04-03 | 2011-12-07 | 张妙娟 | Solar power supply four-bridge oscillation power synthesis fluorescent lamp |
| CN203301838U (en) * | 2013-04-15 | 2013-11-20 | 梅玉刚 | Solar power supply double-full-bridge injection phase-locking power synthesis fluorescent lamp set |
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| Publication number | Publication date |
|---|---|
| CN103338575B (en) | 2015-02-11 |
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Granted publication date: 20150211 Termination date: 20160415 |