CN104105306B - Sun-generated electric power four full-bridge note lock power combing low-pressure sodium lamp group - Google Patents
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- CN104105306B CN104105306B CN201310155149.2A CN201310155149A CN104105306B CN 104105306 B CN104105306 B CN 104105306B CN 201310155149 A CN201310155149 A CN 201310155149A CN 104105306 B CN104105306 B CN 104105306B
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- 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 title claims abstract description 26
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Abstract
The present invention relates to electric source lighting technical field, specifically a kind of sun-generated electric power four full-bridge note lock power combing low-pressure sodium lamp group.Two RC agitator connecting resistance R altogether3, electric capacity C4Synchronized oscillation, self-oscillation chip 4 and full-bridge inverter A output power transformer T1With self-oscillation chip 6 and full-bridge inverter B output power transformer T2Feed-in is added coupler power synthesis, coupling low-pressure sodium lamp group, the divided device of benchmark crystal oscillation signal injects the RC oscillator locking phase place of two self-oscillation chips 4,6, obtaining high-power illumination avoids device temperature rise to cross high oscillation frequency change power imbalances light decline, abnormal condition of lamp tube current detector signal accesses two self-oscillation chip 4,6 agitator SD ends through audion, and quick failure of oscillation turns off full-bridge inverter power MOS pipe.The present invention is applicable to sun-generated electric power high-power low-pressure sodium lamp illumination occasion.
Description
Technical field
The present invention relates to electric source lighting technical field, specifically a kind of sun-generated electric power four full-bridge note lock power combing low-pressure sodium lamp group.
Background technology
Prior art generally with LC or RC agitator as low-pressure sodium lamp electric light source, the frequency of oscillation of generation is affected power by temperature change stability difference and is not sufficiently stable, and causes light intensity to decline, although simple in construction, low cost.But high-power illumination to be obtained certainly will increase device current, making hunting power pipe power consumption sharp increase temperature rise cross high oscillation frequency change, result can make light unbalance with frequency change power magnitude.Meanwhile, big electric current by coil temperature rise high magnetic permeability decline, saturation inductors amount diminish impedance tend to zero, light fixture working time and temperature rise direct ratio, device aging is accelerated in temperature rise, the most then the brightness of lamp luminescence instability declines, heavy then burn out device reduction of service life.Inverter power superposition drags large-power lamp, solves device power capacity limit.But, power combing oscillating voltage phase place should be consistent, overcomes non-linear intermodulation power unbalanced.
Summary of the invention
It is an object of the invention to provide sun-generated electric power to power, a kind of sun-generated electric power four full-bridge note lock power combing low-pressure sodium lamp group of the inversion high frequency stabilization Phase synchronization high-power illumination of vibration.
The technology of the present invention solution is: includes sun-generated electric power, low-pressure sodium lamp pipe group, benchmark crystal oscillator, frequency divider, self-oscillation chip A, self-oscillation chip B, self-oscillation chip C, self-oscillation chip D, full-bridge inverter A ', full-bridge inverter B ', full-bridge inverter C ', full-bridge inverter D ', be added bonder TB1, be added bonder TB2, be added bonder TB3, tube circuit, abnormal condition of lamp tube amperometric, wherein, benchmark crystal oscillator is by quartz-crystal resonator, six phase inverters and resistance, electric capacity forms, by a phase inverter input and output two ends bridging biasing resistor, and connect ground capacity, simultaneously, the quartz-crystal resonator of bridging series connection trimmer, benchmark crystal oscillation signal is accessed by another phase inverter, divided device four phase inverters of tap, self-oscillation chip includes agitator, full-bridge inverting drive circuit, lamp failure closing control device SD, output connects by two groups of complementation half-bridges composition full-bridge inverter A ' of four high-power MOS field effect transistor through full-bridge inverting drive circuit respectively, full-bridge inverter B ', full-bridge inverter C ', full-bridge inverter D ', self-oscillation chip A full-bridge inverter A ' output power transformer T1With self-oscillation chip B full-bridge inverter B ' output power transformer T2Feed-in is added bonder TB1, self-oscillation chip C full-bridge inverter C ' output power transformer T3With self-oscillation chip D full-bridge inverter D ' output power transformer T4Feed-in is added bonder TB2, it is added bonder TB1Be added bonder TB2Feed-in is added bonder TB3Power combing, connect tube circuit coupling low-pressure sodium lamp pipe group, the divided device of benchmark crystal oscillation signal four the phase inverter outputs connect are injected separately into four self-oscillation chip EXO end locking phases, abnormal condition of lamp tube current detector signal accesses four self-oscillation chip SD ends, quickly failure of oscillation turns off full-bridge inverter MOS field effect tube, sun-generated electric power low crimping based Quasi-crystals shakes, frequency divider power end, and sun-generated electric power high pressure accesses four self-oscillation chips, the power ends of four full-bridge inverters；
Wherein, tube circuit is by low-pressure sodium lamp pipe G1、GnOne end is through electric capacity CU1、CUn, inductance LU1、LUnMeet addition bonder TB3Inductance TB3L2, the other end detects mutual inductance magnet ring ground connection, low-pressure sodium lamp pipe G through lamp current1、GnTwo ends shunt capacitance CY1、CYn, inductance LS1Meet diode VD5Detection, electric capacity C12, resistance R14Filtering is through resistance R4、R5Dividing potential drop, field pipe Q5Triggering the protection of self-oscillation chip lamp failure and control end SD, quick failure of oscillation turns off full-bridge inverter MOS field effect tube；
Sun-generated electric power is by photovoltaic battery panel E1Output series connection blocking diode VD1, relay contact J-1 connect accumulator E2Be connected to switch S lamp DW, accumulator E2Overvoltage controls sample resistance R6、RP1、R7Base chip IC during access4High level triggers end TH, under-voltage control sample resistance R8、RP2、R9Access low level trigger end TL, time base chip IC4Output contact relay, accumulator seals in quick acting fuse F, and takes over control reversal connection diode VD2。
The present invention produces good effect: solve the four full-bridge invertings high frequency stabilization Phase synchronization power combing of vibration, reach the high-power low-pressure sodium lamp group illumination that single self-oscillation chip full-bridge inverting is difficult to obtain, device temperature rise frequency of oscillation is avoided to change power imbalances, improving lamp 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 full-bridge self-oscillation inverter circuit
Fig. 4 solar-electricity source circuit
Fig. 5 sun-generated electric power four full-bridge note lock power combing low-pressure sodium lamp group circuit
Detailed description of the invention
With reference to Fig. 1,2,3,4,5, (Fig. 3 is as a example by self-oscillation chip A full-bridge inverter A ' circuit, remaining circuit is identical), the specific embodiment of the invention and embodiment: include sun-generated electric power 13, low-pressure sodium lamp group 9, benchmark crystal oscillator 11, frequency divider 12, self-oscillation chip A1, self-oscillation chip B2, self-oscillation chip C3, self-oscillation chip D4, full-bridge inverter A ', full-bridge inverter B ', full-bridge inverter C ', full-bridge inverter D ', be added bonder TB15, it is added bonder TB26, it is added bonder TB37, tube circuit 8, abnormal condition of lamp tube amperometric 10, wherein, benchmark crystal oscillator 11 is made up of, by an inverter ic quartz-crystal resonator JT, six phase inverters and resistance, electric capacity1-1Input and output two ends bridging biasing resistor R1, and connect ground capacity C1、C2, meanwhile, bridging series connection trimming capacitor C0Quartz-crystal resonator JT, by another inverter ic1-2Accessing benchmark crystal oscillator 11 signal, divided device 12 divides four inverter ics of ÷ N tap1-3、IC1-4、IC1-5、IC1-6, self-oscillation chip IC3UBA2030T includes agitator, full-bridge inverting drive circuit, lamp failure closing control device SD, and output connects by four high-power MOS field effect transistor Q through full-bridge inverting drive circuit respectively1、Q2、Q3、Q4Two groups of complementation half-bridges constitute full-bridge inverter A ', full-bridge inverter B ', full-bridge inverter C ', full-bridge inverter D ', self-oscillation chip A1 full-bridge inverter A ' output power transformer T1With self-oscillation chip B2 full-bridge inverter B ' output power transformer T2Feed-in is added bonder TB15, self-oscillation chip C3 full-bridge inverter C ' output power transformer T3With self-oscillation chip D4 full-bridge inverter D ' output power transformer T4Feed-in is added bonder TB26, it is added bonder TB15 be added bonder TB26 feed-ins are added bonder TB37 power combing, connect tube circuit 8 and mate low-pressure sodium lamp group 9, the divided device of benchmark crystal oscillator 11 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 EXO end locking phase of four self-oscillations chip A1, B2, C3, D4, abnormal condition of lamp tube amperometric 10 signal accesses the SD end of four self-oscillations chip A1, B2, C3, D4, quickly failure of oscillation closes full-bridge inverter MOS field effect tube, sun-generated electric power 13 low pressure accesses benchmark crystal oscillator 11, frequency divider 12 power end, and sun-generated electric power 13 high pressure accesses four self-oscillation chip A1, B2, C3, D4, four full-bridge inverter A ', B ', C ', the power ends of D '.
IC3Pin mark function: HV high voltage power supply, VDDLow-tension supply, RC agitator inputs, and the external oscillator signal of EXO, GHL drives Q1, GLL drives Q2, GHR drives Q3, GLR drives Q4, the output of SHL bridge meets Q1Source electrode, output transformator, the output of SHR bridge meets Q3Source electrode, electric capacity C7, BE bridge enables and controls, and BER bridge enables reference, and DTC Power MOSFET, the floating power supply of FSL, the floating power supply of FSR, SD closes vibration, GND ground connection.
IC4Pin mark function: VCCPower end, TL low level triggers, and TH high level triggers, VMRReset, Vc Control of Voltage, DIS discharge end, V0Outfan, GND ground connection.
Self-oscillation chip IC3Power supply termination sun-generated electric power high pressure HV, is generated low-tension supply V by chip internalDDThere is provided and produce vibration, electric capacity C3Filter ripple, bootstrap capacitor C after vibration startup5Charging, floating power supply full-bridge inverter diagonal power MOS pipe Q1、Q4Conducting, Q2、Q3Cut-off, now electric capacity C6Charging, floating power supply Q1、Q4Conducting, Q2、Q3Cut-off, take turns to operate half period, and output voltage is square wave.Full-bridge alternately switching is by 1/2 FREQUENCY CONTROL of RC agitator frequency of oscillation, resistance R2Control waveform Dead Time.
Power combing drags large-power lamp, and dilatation flexibly, reliably, but requires that self-oscillation chip oscillating voltage phase place is consistent, unbalanced to eliminate non-linear intermodulation power, obtains stable output.To this end, introduce injection phase-locking to solve power combing Phase synchronization technology.
Injection phase-locking need not voltage-controlled tune, phase discriminator, loop filter, and circuit structure is simple, and superior performance, 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 plot and synchronizes, stablizes output and avoid 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.Reference signal divided injection self-oscillation chip EXO end locking phase.Unimplanted reference signal self-oscillation chip RC agitator produces free oscillation frequency, injects reference signal RC oscillating voltage and its Vector modulation, and by self-oscillation chip additive mixing locking phase, oscillator signal only has a fixing phase contrast with injecting reference signal.Synchronization bandwidth and injecting power direct ratio, with RC agitator loaded Q inverse ratio, owing to reference signal injects the input of RC agitator, gain is high, and small-power locks.
Being 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, it is easy to lock tens of to hundreds of kilo hertzs of LC or RC agitators.Frequency divider IC2Binary system or decade counter frequency dividing.
It is added bonder TB1、TB2Respectively by two full-bridge output superpositions, it is added bonder TB3Four full-bridge output superposition summations are delivered to lamp load, four full-bridge inverter input voltages, frequency, phase place and load identical, equalizing resistance R11、R12、R13Idle.
Not having power to export when certain inverter breaks down, corresponding circuits equalizing resistance absorbs pairing inverter power, though whole lamp power reduces but remains to keep illumination.
Electric capacity CY1、CYnCoupling fluorescent tube G1、Gn, electric capacity CU1、CUnWith inductance LU1、LUnResonance is in reference signal frequency, and ignite starter.Lamp abnormality detection mutual inductance magnet ring inductance LS1Voltage diode VD5Detection, electric capacity C12, resistance R14Filtering, by SD ' resistance R4、R5Dividing potential drop, field pipe Q5Trigger self-oscillation chip SD end, as trigger voltage 4.5V～VDDDuring high level signal, rapid failure of oscillation rapidly switches off full-bridge inverter power tube, so as not to impaired.
Control that sun-generated electric power is under-voltage, base chip IC when battery tension is less than4555 low levels trigger end TL and sample 1/3VCCTime, time base chip set, relay J adhesive, contact J-1 connects accumulator charging, and when battery tension is sufficient, overvoltage controls voltage and triggers end HL higher than high level and sample 2/3VCC, time base chip reset, relay releasing contact J-1, cut off solaode to accumulator overvoltage charge.Being reduced to set voltage along with lamp DW illumination consumes electrical energy accumulator voltage, solaode recovers charging, makes battery tension be maintained at illumination desirable value, and switch S controls lamp illumination.
Blocking diode VD1Unilateal conduction prevents accumulator to solaode reverse charge, diode VD2When reverse connection of accumulator conducting short circuit, quickly blow fuse F and protect accumulator.Electric capacity C9、C10Decoupling, resistance R10, electric capacity C11, Zener diode VD3Base chip power when supplying.Diode VD4The backward voltage that suppression relay J adhesive, release produce, protects IC4Impaired.
Embodiment sun-generated electric power 450V, four full-bridge inverting electric current 2.6A, drive 6 180W low-pressure sodium lamp pipe groups G1、Gn, efficiency 85%, inverter current low power consumption is low, and light is stable.
Claims (2)
1. a sun-generated electric power four full-bridge note lock power combing low-pressure sodium lamp group, including sun-generated electric power, low-pressure sodium lamp pipe group, it is characterised in that: also include benchmark crystal oscillator, frequency divider, model UBA2030T self-oscillation chip A, self-oscillation chip B, self-oscillation chip C, self-oscillation chip D, full-bridge inverter A ', full-bridge inverter B ', full-bridge inverter C ', full-bridge inverter D ', be added bonder TB1, be added bonder TB2, be added bonder TB3, tube circuit, abnormal condition of lamp tube amperometric, wherein, benchmark crystal oscillator is made up of quartz-crystal resonator, six phase inverters and resistance, electric capacity, first phase inverter input and output two ends bridging biasing resistor, further, first phase inverter input is connected electric capacity C respectively with output two ends1、C2One end, electric capacity C1、C2Other end ground connection, simultaneously, the quartz-crystal resonator of bridging series connection trimmer, second phase inverter accesses benchmark crystal oscillation signal, divided device connects four phase inverters respectively, self-oscillation chip includes agitator, full-bridge inverting drive circuit, lamp failure closing control device SD, four self-oscillation chip signal output connect two groups of complementation half-bridges by four high-power MOS field effect transistor respectively through full-bridge inverting drive circuit and are combined into full-bridge inverter A ', full-bridge inverter B ', full-bridge inverter C ', full-bridge inverter D ', the full-bridge inverter A ' of self-oscillation chip A is by power transformer T1Inductance T1L2The full-bridge inverter B ' of output signal and self-oscillation chip B is by power transformer T2Inductance T2L2Output signal meets addition bonder TB1Power combing, the full-bridge inverter C ' of self-oscillation chip C is by power transformer T3Inductance T3L2The full-bridge inverter D ' of output signal and self-oscillation chip D is by power transformer T4Inductance T4L2Output signal meets addition bonder TB2Power combing, is added bonder TB1Be added bonder TB2Access and be added bonder TB3Four full-bridge output synthesis connecting tube Circuit Matching low-pressure sodium lamp pipe group starters of superposition, four phase inverter outputs that the divided device of benchmark crystal oscillation signal connects are injected separately into four self-oscillation chip EXO end locking phases, abnormal condition of lamp tube current detector signal accesses four self-oscillation chip SD ends, quickly failure of oscillation turns off full-bridge inverter MOS field effect tube, sun-generated electric power low pressure accesses benchmark crystal oscillator, frequency divider power end, and sun-generated electric power high pressure accesses four self-oscillation chips, the power ends of four full-bridge inverters；
Tube circuit is by low-pressure sodium lamp pipe G1、Gn, inductance LU1、LUn, electric capacity CU1、CUn, abnormal condition of lamp tube current detecting mutual inductance magnet ring inductance LS1, diode VD5, electric capacity C12, resistance R14, resistance R4, resistance R5And field effect transistor Q5Composition, low-pressure sodium lamp pipe G1、GnOne end connect inductance LU respectively1With inductance LUnOne end, inductance LU1With inductance LUnThe other end meets electric capacity CU respectively1, electric capacity CUn, electric capacity CU1, electric capacity CUnThe other end connects addition bonder TB3Inductance TB3L2One end, is added bonder TB3Inductance TB3L2Other end ground connection, low-pressure sodium lamp pipe G1、GnThe other end passes abnormal condition of lamp tube current detecting mutual inductance magnet ring ground connection, low-pressure sodium lamp pipe G1、GnTwo ends shunt capacitance CY1、CYn, abnormal condition of lamp tube current detecting mutual inductance magnet ring inductance LS1One terminating diode VD5Anode, abnormal condition of lamp tube current detecting mutual inductance magnet ring inductance LS1Other end ground connection, diode VD5Negative electrode meets electric capacity C12, resistance R14One end, electric capacity C12, resistance R14Other end ground connection, diode VD5Negative electrode is also connected with resistance R4One end, resistance R4The other end connects field effect transistor Q5Grid and resistance R5One end, resistance R5Other end ground connection, field effect transistor Q5Source ground, drain electrode connects the protection of self-oscillation chip lamp failure and controls end SD, triggers quick failure of oscillation and turn off full-bridge inverter MOS field effect tube.
Sun-generated electric power four full-bridge the most according to claim 1 note lock power combing low-pressure sodium lamp group, it is characterised in that: sun-generated electric power is by photovoltaic battery panel E1, blocking diode VD1, anti-reverse diode VD2, relay J and accumulator E2, resistance R10, switch S, time base chip IC4And overvoltage sample circuit, under-voltage sample circuit composition, photovoltaic battery panel E1Positive pole series connection blocking diode VD1, relay contact J-1One end, minus earth, relay contact J-1The other end connects accumulator E2Positive pole, overvoltage sample resistance R6, under-voltage sample resistance R8, resistance R10And it being connected to switch the low-pressure sodium lamp DW of S, overvoltage controls sample resistance R6、RP1、R7Accumulator E it is parallel to after being sequentially connected in series2Positive pole and ground end, RP1Base chip IC during adjustable termination4High level triggers end TH, under-voltage control sample resistance R8、RP2、R9Accumulator E it is parallel to after being sequentially connected in series2Positive pole and ground end, RP2Base chip IC during adjustable termination4Low level trigger end TL, time base chip IC4Output contact relay J, accumulator E2Negative pole seals in ground connection after quick acting fuse F, anti-reverse diode VD2Negative electrode connects accumulator E2Positive pole, plus earth.
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| CN201976324U (en) * | 2011-04-03 | 2011-09-14 | 阮雪芬 | Electrodeless lamp synthesized by solar power supply double bridge oscillation power |
| CN201976318U (en) * | 2011-04-03 | 2011-09-14 | 梅玉刚 | Four-bridge oscillation metal halide lamp with solar energy power supply |
| CN201976004U (en) * | 2011-04-03 | 2011-09-14 | 阮小青 | Eight-bridge oscillation electronic transformer for solar energy power supply |
| CN203181368U (en) * | 2013-04-15 | 2013-09-04 | 阮树成 | Solar power supply four-full-bridge injection-locking power synthesis low-voltage sodium lamp group |
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- 2013-04-15 CN CN201310155149.2A patent/CN104105306B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201976324U (en) * | 2011-04-03 | 2011-09-14 | 阮雪芬 | Electrodeless lamp synthesized by solar power supply double bridge oscillation power |
| CN201976318U (en) * | 2011-04-03 | 2011-09-14 | 梅玉刚 | Four-bridge oscillation metal halide lamp with solar energy power supply |
| CN201976004U (en) * | 2011-04-03 | 2011-09-14 | 阮小青 | Eight-bridge oscillation electronic transformer for solar energy power supply |
| CN203181368U (en) * | 2013-04-15 | 2013-09-04 | 阮树成 | Solar power supply four-full-bridge injection-locking power synthesis low-voltage sodium lamp group |
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Effective date of registration: 20191225 Address after: 213023 building 3, No.53 Songtao Road, Zhonglou District, Changzhou City, Jiangsu Province Patentee after: Jiangsu Zhiyong Intelligent Technology Co., Ltd Address before: 321100 No. 35, Taohuawu, Lanxi, Zhejiang, China Patentee before: Ruan Shucheng |
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Effective date of registration: 20210427 Address after: 213200 Changzhuyuan Village Committee 280, Jintan District, Changzhou City, Jiangsu Province Patentee after: Changzhou Qinxing Electronic Technology Co.,Ltd. Address before: 213023 building 3, No.53 Songtao Road, Zhonglou District, Changzhou City, Jiangsu Province Patentee before: Jiangsu Zhiyong Intelligent Technology Co.,Ltd. |
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Effective date of registration: 20211228 Address after: 213002 Luoxi Airport Industrial Park, Xinbei District, Changzhou City, Jiangsu Province (No. 28, private Second Road) Patentee after: Changzhou yongpu lamp Co.,Ltd. Address before: No. 280, changzhugeng village committee, Jincheng Town, Jintan District, Changzhou City, Jiangsu Province, 213200 Patentee before: Changzhou Qinxing Electronic Technology Co.,Ltd. |