CN104105321A - Solar power supply four-push-pull injection phase-locking power synthesis fluorescent lamp group - Google Patents

Solar power supply four-push-pull injection phase-locking power synthesis fluorescent lamp group Download PDF

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CN104105321A
CN104105321A CN201310155951.1A CN201310155951A CN104105321A CN 104105321 A CN104105321 A CN 104105321A CN 201310155951 A CN201310155951 A CN 201310155951A CN 104105321 A CN104105321 A CN 104105321A
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self
power
inverter
oscillation chip
chip
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CN201310155951.1A
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阮树成
阮雪芬
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Abstract

The invention relates to the technical field of an electric light source and especially discloses a solar power supply four-push-pull injection phase-locking power synthesis fluorescent lamp group. A self-sustained oscillation chip A and a push-pull inverter A' output power transformer T1, and a self-sustained oscillation chip B and a push-pull inverter B' output power transformer T2 are fed into an addition coupler TB1. A self-sustained oscillation chip C and a push-pull inverter C' output power transformer T3, and a self-sustained oscillation chip D and d a push-pull inverter D' output power transformer T4 are fed into an addition coupler TB2. The addition coupler TB1 and the addition coupler TB2 are fed into an addition coupler TB3 for power synthesis, and the synthesized power then undergoes voltage boost and is further fed into a lamp tube circuit for turning the fluorescent lamp group on. Signals of a reference crystal oscillator are injected into the four self-sustained oscillation chips through a frequency divider for phase locking and output power stabilizing, and luminance declination caused by power unbalance resulted from oscillation frequency change since temperature rise of a device is too high is avoided. Signals of a lamp tube abnormal current detector are accessed to the SD ends of the four self-sustained oscillation chips for power tube protection. The fluorescent lamp group is suitable for meeting rooms, living rooms and households for illumination.

Description

Sun-generated electric power four is recommended the synthetic fluorescent lamp group of note lock power
Technical field
The present invention relates to electric source lighting technical field, specifically a kind of sun-generated electric power four is recommended the synthetic fluorescent lamp group of note lock power.
Background technology
Prior art conventionally with LC or RC oscillator as fluorescent lamp group electric light source, the frequency of oscillation of generation is subject to temperature change stability, and poor to affect power stable not, causes light intensity to decline, although 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, result can make light unbalance with frequency change power magnitude.Meanwhile, large electric current declines 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 the unstable brightness of lamp luminescence declines, heavy burn out device reduction of service life.Granted publication CN201976320U tetra-push-pull oscillator inverter power stacks drag high-power fluorescent lamp, solve the restriction of device power capacity.But the synthetic oscillating voltage phase place of power is inconsistent, it is unbalanced that non-linear intermodulation affects power, needs technological improvement.
Summary of the invention
The object of this invention is to provide sun-generated electric power power supply, vibrate a kind of sun-generated electric power four of high frequency stabilization Phase synchronization high-power illumination of inversion is recommended the synthetic fluorescent lamp group of note lock power.
The technology of the present invention solution is: comprise sun-generated electric power, fluorescent tube group, benchmark crystal oscillator, frequency divider, self-oscillation chip A, self-oscillation chip B, self-oscillation chip C, self-oscillation chip D, recommend inverter A ', recommend inverter B ', recommend inverter C ', recommend inverter D ', be added coupler TB 1, be added coupler TB 2, be added coupler TB 3, tube circuit, abnormal condition of lamp tube current detector, wherein, benchmark crystal oscillator is by quartz-crystal resonator, six inverters and resistance, electric capacity composition, by an inverter input and output two ends cross-over connection biasing resistor, and connect ground capacity, simultaneously, the quartz-crystal resonator of cross-over connection series connection trimmer, by another inverter access benchmark crystal oscillator signal, through frequency divider and connect four inverters, self-oscillation chip includes oscillator, recommend inverse changing driving circuit, lamp failure closing controller SD, output forms and recommends inverter A ' by two high-power MOS field effect transistor through recommending inverse changing driving circuit connection respectively, recommend inverter B ', recommend inverter C ', recommend inverter D ', self-oscillation chip A recommends inverter A ' output power transformer T 1recommend inverter B ' output power transformer T with self-oscillation chip B 2feed-in is added coupler TB 1, self-oscillation chip C recommends inverter C ' output power transformer T 3recommend inverter D ' output power transformer T with self-oscillation chip D 4feed-in is added coupler TB 2, be added coupler TB 1with addition coupler TB 2feed-in is added coupler TB 3power synthesizes, boosting connects tube circuit coupling fluorescent tube group starter, and benchmark crystal oscillator signal injects respectively four self-oscillation chip C through frequency divider four inverters outputs connecing tend locking phase, four self-oscillation chip SD end protection inverter power tube of abnormal condition of lamp tube current detector signal access, sun-generated electric power low pressure access benchmark crystal oscillator, frequency divider power end, four self-oscillation chips of sun-generated electric power high pressure access, four are recommended inverter power supply end,
Wherein, tube circuit is by fluorescent tube DG 1～none end is through resonant inductance LB 1～n, capacitor C B 1～naccess is added coupler TB 3inductance TB3L 2, the other end detects mutual inductance magnet ring ground connection through lamp current, and lamp tube ends also meets coupling starting capacitor CU 1～n, inductance L S 1meet diode VD 5detection, capacitor C 11, resistance R 18filtering is through resistance R 8, R 9dividing potential drop, a pipe Q 3trigger four self-oscillation chip lamp failure protection control end SD, failure of oscillation turn-offs and recommends inverter power metal-oxide-semiconductor field effect transistor fast;
Sun-generated electric power is by photovoltaic battery panel E 1output series connection blocking diode VD 1, 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 10, RP 1, R 11base chip IC when access 4high level trigger end TH, under-voltage control sample resistance R 12, RP 2, R 13access low level trigger end TL, time base chip IC 4electrical equipment is succeeded in output, and storage battery seals in quick fuse F, and takes over control reversal connection diode VD 2.
The present invention produces good effect: solving four, to push away the inversion high frequency stabilization Phase synchronization power that vibrates synthetic, reach single self-oscillation chip and recommend the high-power illumination that inversion is difficult to obtain, avoid device temperature rise frequency of oscillation to change power imbalances, improve lamp lighting quality, steady light increases the service life, and saves light fixture expense.
Brief description of the drawings
Fig. 1 technical solution of the present invention theory diagram
Fig. 2 benchmark crystal oscillating circuit
Fig. 3 recommends self-oscillation inverter circuit
Fig. 4 solar-electricity source control circuit
Fig. 5 sun-generated electric power four is recommended the synthetic fluorescent lamp group circuit of note lock power
Embodiment
With reference to Fig. 1,2,3,4,5, (Fig. 3 recommends inverter A ' circuit as example taking self-oscillation chip A, remaining circuit is identical), the specific embodiment of the invention and embodiment: comprise sun-generated electric power 12, fluorescent tube group 9, benchmark crystal oscillator 11, frequency divider 10, self-oscillation 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 ', be added coupler TB 15, be added coupler TB 26, be added coupler TB 37, tube circuit 8, abnormal condition of lamp tube current detector 13, wherein, benchmark crystal oscillator 11 is made up of quartz-crystal resonator JT, six inverters and resistance, electric capacity, by an inverter ic 1-1input and output two ends cross-over connection biasing resistor R 1, and meet ground capacity C 1, C 2, meanwhile, cross-over connection series connection trimming capacitor C 0quartz-crystal resonator JT, by another inverter ic 1-2access benchmark crystal oscillator 11 signals, through frequency divider 10 frequency division ÷ N and connect four inverter ics 1-3, IC 1-4, IC 1-5, IC 1-6, self-oscillation chip IC 3iR2156 includes oscillator, recommends inverse changing driving circuit, lamp failure closing controller SD, and output connects by two high-power MOS field effect transistor Q through recommending inverse changing driving circuit respectively 1, Q 2formation is recommended inverter A ', recommends inverter B ', recommends inverter C ', is recommended inverter D ', and self-oscillation chip A1 recommends inverter A ' output power transformer T 1recommend inverter B ' output power transformer T with self-oscillation chip B2 2feed-in is added coupler TB 15, self-oscillation chip C3 recommends inverter C ' output power transformer T 3recommend inverter D ' output power transformer T with self-oscillation chip D4 4feed-in is added coupler TB 26, be added coupler TB 15 be added coupler TB 26 feed-ins are added coupler TB 37 power synthesize, boosting connects tube circuit 8 and mate fluorescent tube group 9 starters, and benchmark crystal oscillator 11 signals are through frequency divider 10 four inverter ics connecing 1-3, IC 1-4, IC 1-5, IC 1-6output f 0-1, f 0-2, f 0-3, f 0-4inject respectively the C of four self-oscillation chip A1, B2, C3, D4 tend locking phase, abnormal condition of lamp tube current detector 13 signals connect the SD end of four self-oscillation chip A1, B2, C3, D4, failure of oscillation turn-offs and recommends inverter power metal-oxide-semiconductor field effect transistor fast, sun-generated electric power 12 low pressure accesses benchmark crystal oscillators 11, frequency divider 10 power ends, four self-oscillation chip A1 of sun-generated electric power 12 high pressure accesses, B2, C3, D4 and four recommend inverter A ', B ', C ', D ' power end.
IC 3pin mark function: V cCpower end, C tmeet oscillator timing capacitor C 4, R tmeet oscillator timing resistor R 2, HO drives Q 1, LO drives Q 2, CS current detecting, SD lamp failure is closed vibration protection and is controlled, COM ground connection.
IC 4pin mark function: V cCpower end, TL low level triggers, and TH high level triggers, V mRreset, Vc voltage control, D iSdischarge end, V 0output, GND ground connection.
Resistance R 7step-down, capacitor C 7self-oscillation chip IC is supplied with in filtering 3power end V cCproduce vibration, drive and recommend inverter, high-power MOS tube Q through HO, LO 1, Q 2conducting in turn, cut-off half cycle, transformer T 1mid point is through inductance L F 1capacitor C 6decoupling filtering meets sun-generated electric power+V.By transformer T 1power output is added the synthetic feed-in lamp load of coupler power through second order.
Be added coupler TB 1, TB 2recommend power output stack by two respectively, be added coupler TB 3recommend power output two overlapping of order summations by four and deliver to lamp load, four to recommend inverter input voltage, frequency, phase place and load identical, equalizing resistance R 15, R 16, R 17idle.There is no power stage when certain inverter breaks down, corresponding circuits equalizing resistance absorbs pairing inverter power, can keep illumination though whole lamp power reduces, and improves reliability.
The synthetic large-power lamp that drags of power, dilatation flexibly, reliably, still, requires self-oscillation chip oscillate voltage-phase consistent, unbalanced to eliminate non-linear intermodulation power, obtains 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 discriminator, loop filter, 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, is suitable for the synthetic large-power lamp stable oscillation stationary vibration frequency plot of power synchronous, and stable power output is avoided 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 subject to variations in temperature minimum, and highly stable to make benchmark accurate.Reference signal is injected self-oscillation chip C through frequency division tend locking phase.Do not inject reference signal self-oscillation chip RC oscillator and produce free oscillation frequency, inject reference signal RC oscillating voltage and its vector synthetic, 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, due to the input of reference signal injection RC oscillator, gain high, small-power locking.
Based on injecting the integral multiple that reference frequency is locking frequency of oscillation, or frequency of oscillation is the integral multiple of reference frequency, and 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 2binary system or decimal system counting frequency division.
Lamp abnormality detection is by lamp current mutual inductance magnet ring inductance L S 1induced potential diode VD 5detection, capacitor C 11, resistance R 18filtering, through SD ' resistance R 8, R 9dividing potential drop, a pipe Q 3trigger self-oscillation chip SD end, in the time of trigger voltage high level signal, failure of oscillation turn-offs and recommends inverter power pipe fast rapidly, in order to avoid impaired.The abnormal power tube large-current electric resistance of lamp R 6pressure drop is through resistance R 4, capacitor C 5open self-oscillation chip current and detect CS end duplicate protection inverter power tube.
Control that sun-generated electric power is under-voltage, battery tension lower than time base chip IC 4555 low level trigger end TL sampling 1/3V cCtime, time base chip set, relay J adhesive, contact J-1 connects charge in batteries, when battery tension abundance, crosses pressure-controlled voltage higher than high level trigger end HL sampling 2/3V cC, time base chip reset, relay releasing contact J-1, cuts off solar cell storage battery overvoltage is charged.Along with light fixture DW illumination consumes electrical energy accumulator lower voltage to set voltage, solar cell recovers charging, makes battery tension remain on illumination desirable value, switch S control lamp lighting.
Blocking diode VD 1unilateal conduction prevents that storage battery is to solar cell reverse charge, diode VD 2when reverse connection of accumulator conducting short circuit, blown fuse F protection storage battery fast.Capacitor C 8, C 9decoupling, resistance R 14, capacitor C 10, voltage stabilizing didoe VD 4base chip power while confession.Diode VD 3suppress relay J adhesive, discharge the reverse voltage producing, base chip IC when protection 4damage.
Embodiment sun-generated electric power 48V, four recommend inverter current 5A, drive 2 100W or 5 40W fluorescent lamp group pipe DG 1～DG n, efficiency 83%, inverter current is little, and device power consumption is low, need not device radiation device, long-time houselights is stable.Be applicable to meeting room, parlor and fluorescent lighting at home.

Claims (3)

1. a sun-generated electric power four is recommended the synthetic fluorescent lamp group of note lock power, comprise sun-generated electric power, fluorescent tube group, it is characterized in that: also comprise benchmark crystal oscillator, frequency divider, self-oscillation chip A, self-oscillation chip B, self-oscillation chip C, self-oscillation chip D, recommend inverter A ', recommend inverter B ', recommend inverter C ', recommend inverter D ', be added coupler TB 1, be added coupler TB 2, be added coupler TB 3, tube circuit, abnormal condition of lamp tube current detector, wherein, benchmark crystal oscillator is by quartz-crystal resonator, six inverters and resistance, electric capacity composition, by an inverter input and output two ends cross-over connection biasing resistor, and connect ground capacity, simultaneously, the quartz-crystal resonator of cross-over connection series connection trimmer, by another inverter access benchmark crystal oscillator signal, through frequency divider and connect four inverters, self-oscillation chip includes oscillator, recommend inverse changing driving circuit, lamp failure closing controller SD, output forms and recommends inverter A ' by two high-power MOS field effect transistor through recommending inverse changing driving circuit connection respectively, recommend inverter B ', recommend inverter ' C, recommend inverter D ', self-oscillation chip A recommends inverter A ' output power transformer T 1recommend inverter B ' output power transformer T with self-oscillation chip B 2feed-in is added coupler TB 1, self-oscillation chip C recommends inverter C ' output power transformer T 3recommend inverter D ' output power transformer T with self-oscillation chip D 4feed-in is added coupler TB 2, be added coupler TB 1with addition coupler TB 2feed-in is added coupler TB 3power synthesizes, boosting connects tube circuit coupling fluorescent tube group starter, and benchmark crystal oscillator signal injects respectively four self-oscillation chip C through frequency divider four inverters outputs connecing tend locking phase, four self-oscillation chip SD end protection inverter power tube of abnormal condition of lamp tube current detector signal access, sun-generated electric power low pressure access benchmark crystal oscillator, frequency divider power end, four self-oscillation chips of sun-generated electric power high pressure access, four are recommended the power end of inverter.
2. sun-generated electric power four according to claim 1 is recommended the synthetic fluorescent lamp group of note lock power, it is characterized in that: tube circuit is by fluorescent tube DG 1～none end is through resonant inductance LB 1～n, capacitor C B 1～naccess is added coupler TB 3inductance TB3L 2, the other end detects mutual inductance magnet ring ground connection through lamp current, and lamp tube ends also meets coupling starting capacitor CU 1～n, inductance L S 1meet diode VD 5detection, capacitor C 11, resistance R 18filtering is through resistance R 8, R 9dividing potential drop, a pipe Q 3trigger two self-oscillation chip lamp failure protection control end SD, failure of oscillation turn-offs and recommends inverter power metal-oxide-semiconductor field effect transistor fast.
3. sun-generated electric power four according to claim 1 is recommended the synthetic fluorescent lamp group of note lock power, it is characterized in that: sun-generated electric power is by photovoltaic battery panel E 1output series connection blocking diode VD 1, 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 10, RP 1, R 11base chip IC when access 4high level trigger end TH, under-voltage control sample resistance R 12, RP 2, R 13access low level trigger end TL, time base chip IC 4electrical equipment is succeeded in output, and storage battery seals in quick fuse F, and takes over control reversal connection diode VD 2.
CN201310155951.1A 2013-04-15 2013-04-15 Solar power supply four-push-pull injection phase-locking power synthesis fluorescent lamp group Pending CN104105321A (en)

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Application publication date: 20141015