CN104105307B - DC low voltage power supply four-push-pull injection lock power combing high-pressure mercury lamp - Google Patents
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- CN104105307B CN104105307B CN201310155487.6A CN201310155487A CN104105307B CN 104105307 B CN104105307 B CN 104105307B CN 201310155487 A CN201310155487 A CN 201310155487A CN 104105307 B CN104105307 B CN 104105307B
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- 238000002347 injection Methods 0.000 title claims abstract description 12
- 239000007924 injection Substances 0.000 title claims abstract description 12
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 229910052753 mercury Inorganic materials 0.000 title claims abstract description 11
- 239000013078 crystal Substances 0.000 claims abstract description 23
- 230000010355 oscillation Effects 0.000 claims abstract description 18
- 230000002159 abnormal effect Effects 0.000 claims abstract description 8
- 230000001629 suppression Effects 0.000 claims abstract description 6
- 230000005669 field effect Effects 0.000 claims description 11
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims 3
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Abstract
The present invention relates to electric source lighting technical field, specifically DC low voltage power supply four-push-pull injection lock power combing high-pressure mercury lamp.Self-oscillation chip A recommends inverter A ' output power transformer T1Inverter B ' output power transformer T is recommended with self-oscillation chip B2Feed-in is added bonder TB1, self-oscillation chip C recommends inverter C ' output power transformer T3Inverter D ' output power transformer T is recommended with self-oscillation chip D4Feed-in is added bonder TB2, it is added bonder TB1Be added bonder TB2Feed-in is added bonder TB3Power combing, boosting feeding fluorescent tube trigger circuit tube starting; the divided device of benchmark crystal oscillation signal injects four self-oscillation chip lock phase bits and stablizes output; avoid device temperature rise to cross high oscillation frequency change power imbalances light to decline; FM signal generator sawtooth signal accesses four self-oscillation chip frequency modulation suppression light flash, and abnormal condition of lamp tube current detector signal connects the SD end protection power tube of four self-oscillation chips.The present invention is applicable to DC low voltage power supply high-pressure mercury lamp illumination occasion.
Description
Technical field
The present invention relates to electric source lighting technical field, specifically a kind of DC low voltage power supply four-push-pull injection lock power combing
High-pressure mercury lamp.
Background technology
Prior art electric ballast generally with LC or RC agitator as high-pressure mercury lamp electric light source, the frequency of oscillation of generation
Affected power by temperature change stability difference to be not sufficiently stable, cause light intensity to decline, although this electric ballast, features simple structure,
Low cost.High-power illumination to be obtained certainly will increase device current, and hunting power pipe power consumption sharp increase temperature rise too high causing vibrates
Frequency changes, and result can make light unbalance with frequency change power magnitude.Meanwhile, big electric current passes through coil temperature rise high magnetic magnetic conduction
Rate declines, and the impedance that diminishes of saturation inductors amount tends to zero, light fixture working time and temperature rise direct ratio, and device aging is accelerated in temperature rise,
Light then lamp luminescence instability brightness declines, heavy then burn out device reduction of service life.Authorization Notice No. CN202077254U merit
Rate synthesis drags high-power high voltage sodium lamp.Because non-linear intermodulation oscillating voltage phase place shortcoming is consistent, affects power unbalanced, need
In technological improvement.
Summary of the invention
It is an object of the invention to provide DC low voltage power supply to power, the inversion high frequency stabilization Phase synchronization high-power illumination of vibration
A kind of DC low voltage power supply four-push-pull injection lock power combing high-pressure mercury lamp.
The technology of the present invention solution is: include DC low voltage power supply, high-pressure sodium fluorescent tube, benchmark crystal oscillator, frequency divider, self-vibration
Swing chip A, self-oscillation chip B, self-oscillation chip C, self-oscillation chip D, recommend inverter A ', recommend inverter B ', recommend inverse
Become device C ', recommend inverter D ', addition bonder TB1, be added bonder TB2, be added bonder TB3, FM signal generator,
Fluorescent tube triggers circuit, abnormal condition of lamp tube amperometric, and wherein, benchmark crystal oscillator is by quartz-crystal resonator, six phase inverters and electricity
Resistance, electric capacity composition, by a phase inverter input and output two ends bridging biasing resistor, and connect ground capacity, meanwhile, and bridging series connection
The quartz-crystal resonator of trimmer, by another phase inverter access benchmark crystal oscillation signal, divided device and connect four anti-phase
Device, self-oscillation chip includes agitator, recommends inverse changing driving circuit, lamp failure closing control device SD, exports inverse through recommending respectively
Become drive circuit to connect to be constituted by two high-power MOS field effect transistor and recommend inverter A ', recommend inverter B ', recommend inversion
Device C ', recommending inverter D ', self-oscillation chip A recommends inverter A ' output power transformer T1Recommend inverse with self-oscillation chip B
Become device B ' output power transformer T2Feed-in is added bonder TB1, self-oscillation chip C recommends inverter C ' output power transformer
T3Inverter D ' output power transformer T is recommended with self-oscillation chip D4Feed-in is added bonder TB2, it is added bonder TB1With phase
Add bonder TB2Feed-in is added bonder TB3Power combing, boosting feeding fluorescent tube trigger circuit tube starting, benchmark crystal oscillation signal
Divided device four the phase inverter outputs connect are injected separately into four self-oscillation chip CTEnd locking phase, FM signal generator
Sawtooth signal accesses four self-oscillation chip RC end frequency modulation suppression light flash, and abnormal condition of lamp tube current detector signal accesses four
Individual self-oscillation chip SD end, quick failure of oscillation turns off recommends inverter power metal-oxide-semiconductor field effect transistor, and DC low voltage power supply low pressure accesses base
Quasi-crystal oscillator, frequency divider, FM signal generator power end, DC low voltage power supply high pressure access four self-oscillation chips, four push away
Draw the power end of inverter；
Wherein, FM signal generator by time base chip IC4, resistance R16、R17、R19With electric capacity C12Multi-harmonic-oscillations, IC4's
DIS end is by resistance R18Meet a pipe Q4Grid, electric capacity C15Meet Q4Source resistance R20Bootstrapping positive feedback, output linearity sawtooth signal connects
Enter self-oscillation chip RC end frequency modulation suppression light flash；
Fluorescent tube triggers circuit by fluorescent tube one end through pulse ignition transformer inductance T5L2, electric capacity C8Receive addition bonder electricity
Sense TB3L2, electric capacity C9Meet inductance T5L1With resistance R13Contact, and ground connection, bidirectional trigger diode VD1Tandem electric inductance T5L1Ground connection,
High voltage direct current generator by time base chip IC4The output of multi-harmonic-oscillations square wave meets transformator T6 inductance T6L1, inductance T6L2Boosting, two
Pole pipe VD2Rectification, electric capacity C16, resistance R21Filtering, by resistance R22Meet electric capacity C8With T5L2Contact, the fluorescent tube other end through lamp different
Often detection Current Mutual Inductance magnet ring ground connection, inductance LS1Meet diode VD3Detection, electric capacity C14Resistance R10Filtering, by resistance R8、R9Point
Press, through field pipe Q3Connecing self-oscillation chip SD end, quick failure of oscillation turns off and recommends inverter power metal-oxide-semiconductor field effect transistor.
The present invention produces good effect: solves the inversion high frequency stabilization Phase synchronization power combing of vibration, reaches single self-oscillation
Chip recommends the high-power illumination that inversion is difficult to obtain, it is to avoid device temperature rise frequency of oscillation change power imbalances, improves light fixture
Lighting quality, steady light increases the service life.
Accompanying drawing explanation
Fig. 1 technical solution of the present invention theory diagram
Fig. 2 benchmark crystal oscillating circuit
Fig. 3 self-oscillation push-pull inverter circuit
Fig. 4 DC low voltage power supply four-push-pull injection lock power combing high-pressure mercury lamp circuit
Detailed description of the invention
With reference to Fig. 1,2,3,4 (Fig. 3 recommends as a example by inverter A ' circuit by self-oscillation chip A, and remaining circuit is identical), this
Bright detailed description of the invention and embodiment: include DC low voltage power supply 11, high-pressure sodium fluorescent tube 10, benchmark crystal oscillator 13, frequency divider 12, from
Vibration chip A1, self-oscillation chip B2, self-oscillation chip C3, self-oscillation chip D4, recommend inverter A ', recommend inverter B ',
Recommend inverter C ', recommend inverter D ', addition bonder TB15, it is added bonder TB26, it is added bonder TB37, frequency modulation letter
Number generator 8, fluorescent tube trigger circuit 9, abnormal condition of lamp tube amperometric 14, wherein, benchmark crystal oscillator 13 by quartz-crystal resonator,
Six phase inverters and resistance, electric capacity composition, by an inverter ic1-1Input and output two ends bridging biasing resistor R1, and connect
Ground electric capacity C1、C2, meanwhile, bridging series connection trimming capacitor C0Quartz-crystal resonator JT, by another inverter ic1-2Access base
Quasi-crystal oscillator 13 signal, divided device 12 divides ÷ N and connects four inverter ics1-3、IC1-4、IC1-5、IC1-6, self-oscillation chip
IC3IR2156 includes agitator, recommends inverse changing driving circuit, lamp failure closing control device SD, and output is driven through recommending inversion respectively
Galvanic electricity road connects by two high-power MOS field effect transistor Q1、Q2Constitute and recommend inverter A ', recommend inverter B ', recommend inversion
Device C ', recommending inverter D ', self-oscillation chip A1 recommends inverter A ' output power transformer T1Recommend with self-oscillation chip B2
Inverter B ' output power transformer T2Feed-in is added bonder TB15, self-oscillation chip C3 recommend inverter C ' output and become
Depressor T3Inverter D ' output power transformer T is recommended with self-oscillation chip D44Feed-in is added bonder TB26, it is added bonder
TB15 be added bonder TB26 feed-ins are added bonder TB37 power combing, boosting feeding fluorescent tube trigger circuit 9 fluorescent tube 10 and open
Brightness, the divided device of benchmark crystal oscillator 13 signal 12 four inverter ics connect1-3、IC1-4、IC1-5、IC1-6Output f0-1、f0-2、
f0-3、f0-4It is injected separately into the C of four self-oscillations chip A1, B2, C3, D4TEnd locking phase, FM signal generator 8 sawtooth waveforms
Signal accesses the RC end frequency modulation suppression light flash of four self-oscillations chip A1, B2, C3, D4, abnormal condition of lamp tube amperometric 14
Signal accesses the SD end of four self-oscillations chip A1, B2, C3, D4, and quick failure of oscillation turns off and recommends inverter power metal-oxide-semiconductor, direct current
Low-tension supply 11 low pressure LV accesses benchmark crystal oscillator 13, frequency divider 12, FM signal generator 8 power end, DC low voltage power supply 11
High pressure HV accesses four self-oscillations chip A1, B2, C3, D4 and four power ends recommending inverter A ', B ', C ', D '.
IC3Pin mark function: VCCPower end, CTMeet oscillator timing capacitor C4, RTMeet agitator timing resistor R2, HO
Drive Q1, LO drives Q2, CS current detecting, the protection of SD lamp failure controls to close vibration, COM ground connection.
IC4Pin mark function: VCCPower end, TL low level triggers, and TH high level triggers, VMRReset, Vc Control of Voltage,
DISDischarge end, V0Outfan, GND ground connection.
Resistance R7Blood pressure lowering, electric capacity C7Filtering is supplied from the chip power end V that vibratesCCProduce vibration, recommend inverse through HO, LO driving
Become device, high-power MOS tube Q1、Q2Turn in turn, end half cycle, transformator T1Midpoint is through current source inductance LF1Electric capacity C6Decoupling is filtered
Ripple meets DC low voltage power supply+V.By transformator T1Output is added coupler power synthesis feed-in lamp load through second order.
It is added bonder TB1、TB2Respectively two are recommended output superposition, is added bonder TB3Four are recommended defeated
Going out power two overlapping of order summation and deliver to lamp load, four recommend inverter input voltage, frequency, phase place and load identical, equilibrium electricity
Resistance R10、R11、R12Idle.Not having power to export when certain inverter breaks down, it is inverse that corresponding circuits equalizing resistance absorbs pairing
Become device power, though whole lamp power reduces but remains to keep illumination, improve reliability.
Power combing drags large-power lamp, and dilatation is flexible, reliable, but, it is desirable to self-oscillation chip oscillating voltage phase place
Unanimously, unbalanced to eliminate non-linear intermodulation power, obtain stable output.To this end, introduce injection phase-locking to solve power
Synthesis phase simultaneous techniques.Injection phase-locking need not voltage-controlled tune, phase discriminator, loop filter, and circuit structure is simple, and performance is excellent
More, fringe cost is low.Injection phase-locking there substantially is not difference with looped phase locking, is suitable to power combing large-power lamp stable oscillation stationary vibration frequency
Rate Phase synchronization, stablizes output and avoids the too high power imbalances of device temperature rise, and steady light increases the service life.
Benchmark crystal oscillator quartz resonator quality factor are high, and frequency is minimum by variations in temperature, and highly stable to make benchmark accurate.Base
Calibration signal divided injection self-oscillation chip CTEnd locking phase.Unimplanted reference signal self-oscillation chip RC agitator is produced from
By frequency of oscillation, inject reference signal RC oscillating voltage and its Vector modulation, lock phase by self-oscillation chip additive mixing
Position, oscillator signal only has a fixing phase contrast with injecting reference signal.Synchronization bandwidth and injecting power direct ratio, vibrate with RC
Device loaded Q inverse ratio, owing to reference signal injects the input of RC agitator, gain is high, and small-power locks.
It is locked out the integral multiple of frequency of oscillation owing to injecting reference frequency, or frequency of oscillation is the integral multiple of reference frequency,
Reference signal frequency dividing injects the high wen-frequency characteristics quartz resonator of apolegamy upper frequency, easily tens of to hundreds of kilo hertzs of LC or RC of locking
Agitator.Frequency divider IC2Binary system or decade counter frequency dividing.
Fluorescent tube triggers circuit by high frequency voltage through electric capacity C8, resistance R13With high direct voltage through resistance R22To electric capacity C9Charging,
When voltage is charged to bidirectional trigger diode VD1Conducting, electric current is through pulse ignition transformer T5Inductance T5L1, inductance T5L2Induct height
Pressure pulse, triggers high-pressure sodium fluorescent tube G gas communication starter.After tube starting, VD1No longer produce and trigger pulse.
FM signal generator, time base chip IC4Multi-harmonic-oscillations produces low frequency sawtooth signal, by field pipe Q4, electric capacity C15
Bootstrapping positive feedback, electric capacity C12Charging, resistance R16Pressure drop is constant makes charge rate constant, ensures that waveform is linear, frequency modulation(PFM) self-vibration
Swinging chip RC agitator, linear saw-tooth wave, around benchmark crystal oscillator note lock mid frequency mechanical periodicity, eliminates fluorescent tube electric arc standing wave sound
Resonance point, suppression flicker steady light.High voltage direct current generator and FM signal generator by time base chip produce oscillation boosting,
Rectification and filtering, kill two birds with one stone.
Lamp abnormality detection is by lamp current mutual inductance magnet ring inductance LS1Voltage diode VD3Detection, electric capacity C10, resistance R14Filtering,
Through SD ' resistance R8、R9Dividing potential drop, field pipe Q3Triggering self-oscillation chip SD end, when trigger voltage high level signal, rapid failure of oscillation is fast
Speed turns off and recommends inverter power pipe, so as not to impaired.Lamp abnormal power pipe large-current electric resistance R6Pressure drop is through resistance R4, electric capacity C5Open
Open self-oscillation chip current detection CS end duplicate protection inverter power tube.
Embodiment DC low voltage power supply 36V, four recommend inverter current 6A, drive two 100W high-pressure mercury lamp G, efficiency
83%, in inverter current permissible value, long-time houselights is stable, and freely, service life is long for starter.
Claims (2)
1. a DC low voltage power supply four-push-pull injection lock power combing high-pressure mercury lamp, including DC low voltage power supply, high-pressure sodium fluorescent tube,
It is characterized in that: also include benchmark crystal oscillator, frequency divider, four models be the self-oscillation chip A of IR2156, self-oscillation chip B, from
Vibration chip C, self-oscillation chip D, recommend inverter A ', recommend inverter B ', recommend inverter C ', recommend inverter D ', phase
Add bonder TB1, be added bonder TB2, be added bonder TB3, FM signal generator, fluorescent tube trigger circuit, abnormal condition of lamp tube electricity
Current sensor；
Wherein, benchmark crystal oscillator is made up of quartz-crystal resonator, six phase inverters and resistance, electric capacity, first phase inverter input
With output two ends bridging biasing resistor, first phase inverter input is connected electric capacity C respectively with output two ends1、C2One end, electric capacity C1、
C2Other end ground connection, meanwhile, first phase inverter input also bridges the Quartz crystal resonant of trimmer of connecting with output two ends
Device, second inverter input connects benchmark crystal oscillation signal, and second inverter output connects the divided connection of frequency divider four
Individual inverter input, four phase inverter outputs connect four self-oscillation chip C respectivelyTEnd injects benchmark crystal oscillator semaphore lock phase
Position；
Self-oscillation chip includes agitator, recommends inverse changing driving circuit, lamp failure closing control device SD, four self-oscillation chips
Recommend inverse changing driving circuit output connect respectively constituted by two high-power MOS field effect transistor recommend inverter A ', recommend inverse
Becoming device B ', recommend inverter C ', recommend inverter D ', self-oscillation chip A recommends inverter A ' output power transformer T1With oneself
Vibration chip B recommends inverter B ' output power transformer T2Feed-in is added bonder TB1, self-oscillation chip C recommends inverter C '
Output power transformer T3Inverter D ' output power transformer T is recommended with self-oscillation chip D4Feed-in is added bonder TB2, phase
Add bonder TB1Be added bonder TB2Feed-in is added bonder TB3Power combing, boosting feeding fluorescent tube trigger circuit fluorescent tube and open
Brightness；
FM signal generator by time base chip IC4, resistance R16, resistance R17, resistance R19With electric capacity C12Multi-harmonic-oscillations, field effect
Pipe Q4Drain electrode and resistance R16One termination chip IC4VMR end, resistance R16The other end and resistance R17One end, electric capacity C15One end even
Connect, resistance R17The other end and resistance R18One end and resistance R19One end is connected to chip DIS end, resistance R18Another terminates Q4Grid,
Resistance R19The other end connects chip TH, TL end and electric capacity C12One end, electric capacity C12The other end, resistance R20One end ground connection, electric capacity
C15The other end and resistance R20Another terminates Q4Source electrode bootstrapping positive feedback, output linearity sawtooth signal accesses four self-oscillation chips
RC end frequency modulation suppression light flash；
Abnormal condition of lamp tube current detector signal accesses four self-oscillation chip SD ends, and quick control failure of oscillation is closed and recommended inverter merit
Rate metal-oxide-semiconductor field effect transistor, DC low voltage power supply low pressure accesses benchmark crystal oscillator, frequency divider, FM signal generator power end, and direct current is low
Voltage source high pressure accesses four self-oscillation chips, four power ends recommending inverter.
DC low voltage power supply four-push-pull injection the most according to claim 1 lock power combing high-pressure mercury lamp, it is characterised in that: lamp
Pipe triggers circuit and is connected pulse firing transformator T by one end of high-pressure sodium fluorescent tube G5Inductance T5L2One end, electric capacity C8One termination phase
Add bonder TB3Inductance TB3L2One end, is added bonder TB3Inductance TB3L2Other end ground connection, electric capacity C9One end and pulse
Ignition transformer T5Inductance T5L1One end, resistance R13One end interconnection, electric capacity C9Other end ground connection, bidirectional trigger diode VD1
One termination pulse firing transformator T5Inductance T5L1The other end, bidirectional trigger diode VD1Other end ground connection；High direct voltage occurs
Device by time base chip IC4Multi-harmonic-oscillations output voltage connection transformer T6Inductance T6L1, through inductance T6L2Boosting connects diode
VD2Rectification exports, then through electric capacity C16, resistance R21Resistance R is connected after filtering22One end, resistance R22The other end and electric capacity C8Another
End, pulse firing transformator T5Inductance T5L2The other end and resistance R13The other end interconnects, and the fluorescent tube G other end passes lamp abnormality detection
Magnet ring mutual inductance inductance LS1Ground connection, inductance LS1One terminating diode VD3Anode, inductance LS1Other end ground connection, diode VD3Negative electrode
Connect electric capacity C10, resistance R14One end, electric capacity C10, resistance R14Other end ground connection, diode VD3Negative electrode is also connected with resistance R8One
End, resistance R8, resistance R9The dividing point of series connection connects field effect transistor Q3Grid, resistance R9The other end and field effect transistor Q3Source electrode connects also
Ground connection, field effect transistor Q3Drain electrode connects self-oscillation chip SD end, and quick failure of oscillation turns off and recommends inverter power metal-oxide-semiconductor field effect transistor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310155487.6A CN104105307B (en) | 2013-04-15 | 2013-04-15 | DC low voltage power supply four-push-pull injection lock power combing high-pressure mercury lamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310155487.6A CN104105307B (en) | 2013-04-15 | 2013-04-15 | DC low voltage power supply four-push-pull injection lock power combing high-pressure mercury lamp |
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| CN104105307B true CN104105307B (en) | 2016-11-23 |
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| US5192896A (en) * | 1992-04-10 | 1993-03-09 | Kong Qin | Variable chopped input dimmable electronic ballast |
| EP1078557A1 (en) * | 1998-04-21 | 2001-02-28 | Power Circuit Innovations, Inc | Dimming ballast and drive method for lamps using a frequency controlled, loosely-coupled transformer |
| US7372677B2 (en) * | 2004-07-07 | 2008-05-13 | Kokusan Denki Co., Ltd. | Control apparatus for internal combustion engine-driven vehicle having power supply unit |
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| CN202050584U (en) * | 2011-04-03 | 2011-11-23 | 阮树成 | Four-bridge oscillation high-voltage sodium lamp utilizing solar power |
| CN202068631U (en) * | 2011-04-03 | 2011-12-07 | 梅玉刚 | Solar energy power supply double bridge oscillation metal halide lamp |
| CN202068646U (en) * | 2011-04-03 | 2011-12-07 | 梅玉刚 | Dual-bridge oscillation metal halide lamp with direct current low-voltage power supply |
| CN203181366U (en) * | 2013-04-15 | 2013-09-04 | 阮树成 | Direct current low voltage power supply four-push-pull injection locking power synthesis high pressure sodium lamp |
-
2013
- 2013-04-15 CN CN201310155487.6A patent/CN104105307B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5192896A (en) * | 1992-04-10 | 1993-03-09 | Kong Qin | Variable chopped input dimmable electronic ballast |
| EP1078557A1 (en) * | 1998-04-21 | 2001-02-28 | Power Circuit Innovations, Inc | Dimming ballast and drive method for lamps using a frequency controlled, loosely-coupled transformer |
| US7372677B2 (en) * | 2004-07-07 | 2008-05-13 | Kokusan Denki Co., Ltd. | Control apparatus for internal combustion engine-driven vehicle having power supply unit |
| CN201345774Y (en) * | 2008-08-21 | 2009-11-11 | 龙岩市易佰特节能照明有限公司 | Intelligent light-adjusting electronic ballast of high-output fluorescent lamp |
| CN202050584U (en) * | 2011-04-03 | 2011-11-23 | 阮树成 | Four-bridge oscillation high-voltage sodium lamp utilizing solar power |
| CN202068631U (en) * | 2011-04-03 | 2011-12-07 | 梅玉刚 | Solar energy power supply double bridge oscillation metal halide lamp |
| CN202068646U (en) * | 2011-04-03 | 2011-12-07 | 梅玉刚 | Dual-bridge oscillation metal halide lamp with direct current low-voltage power supply |
| CN203181366U (en) * | 2013-04-15 | 2013-09-04 | 阮树成 | Direct current low voltage power supply four-push-pull injection locking power synthesis high pressure sodium lamp |
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| Publication number | Publication date |
|---|---|
| CN104105307A (en) | 2014-10-15 |
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