CN203181374U - Solar power supply double half-bridge injection-locking power synthesis high-voltage sodium lamp - Google Patents

Solar power supply double half-bridge injection-locking power synthesis high-voltage sodium lamp Download PDF

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Publication number
CN203181374U
CN203181374U CN 201320227510 CN201320227510U CN203181374U CN 203181374 U CN203181374 U CN 203181374U CN 201320227510 CN201320227510 CN 201320227510 CN 201320227510 U CN201320227510 U CN 201320227510U CN 203181374 U CN203181374 U CN 203181374U
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self
power
resistance
oscillation
capacitor
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阮树成
梅玉刚
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Abstract

The utility model relates to the electric light source illumination technical field and specifically discloses a solar power supply double half-bridge injection-locking power synthesis high-voltage sodium lamp. RC oscillators of two self-sustained oscillation chips 4, 6 are together connected to a resistor R3 and a capacitor C5 for synchronous oscillation. A self-sustained oscillation chip 4 and half-bridge inverter A output power transformer T1, and a self-sustained oscillation chip 6 and half-bridge inverter B output power transformer T2 are fed into an addition coupler in a reverse-phase way for power synthesis and further sent to a lamp tube trigger circuit in a feedback way after a voltage boost. A high-voltage sodium lamp tube is then triggered to start. Signals of a reference crystal oscillator are injected into the RC oscillators of the two self-sustained oscillation chips 4, 6 through a frequency divider for phase locking. Large-power illumination is achieved. An excessive temperature rise of devices is prevented. Imbalanced oscillation frequency change power is prevented. Light rays are further prevented from deteriorating. Sawtooth wave signals of a frequency modulation signal generator are accessed to the RC oscillators of the two self-sustained oscillation chips 4, 6 for suppressing light scintillation in a frequency modulation way. The solar power supply double half-bridge injection-locking power synthesis high-voltage sodium lamp is suitably used for solar power supply large-power high-voltage sodium lamp illumination.

Description

The two half-bridges of sun-generated electric power are annotated the synthetic high-pressure sodium lamp of lock power
Technical field
The utility model relates to the electric source lighting technical field, specifically is that the two half-bridges of a kind of sun-generated electric power are annotated the synthetic high-pressure sodium lamp of lock power.
Background technology
The general LC of prior art electric ballast or RC oscillator are as the high-pressure sodium lamp light source, and it is stable inadequately that the frequency of oscillation of generation is subjected to the temperature change stability difference to influence power, cause light intensity to descend, though features simple structure, cost is low.Obtain high-power illumination and certainly will increase device current, 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 inverter power stack drags high-power lamp, solves the device Power Limitation.But require power to synthesize the oscillation phase unanimity, it is unbalanced to overcome non-linear intermodulation power.
Summary of the invention
The purpose of this utility model provides sun-generated electric power power supply, and the vibrate two half-bridges of a kind of sun-generated electric power of high frequency stabilization, Phase synchronization high power strong optical illumination of inversion are annotated the synthetic high-pressure sodium lamp of lock power.
The utility model technical solution is: comprise sun-generated electric power, the high-pressure sodium fluorescent tube, the benchmark crystal oscillator, frequency divider, two self-oscillation chips, half-bridge inverter A, half-bridge inverter B, the addition coupler, FM signal generator, the fluorescent tube circuits for triggering, the abnormal condition of lamp tube current detector, 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 the RC oscillator, the semi-bridge inversion drive circuit, two self-oscillation chip RC oscillators are total to connecting resistance R 3, capacitor C 5Synchronized oscillation, output connect by complementary half-bridge inverter A, the half-bridge inverter B that forms of two MOS field effect tubes, self-oscillation chip and half-bridge inverter A output power transformer T through the semi-bridge inversion drive circuit respectively 1With self-oscillation chip and half-bridge inverter B output power transformer T 2Anti-phase feed-in addition coupler, power synthesize, boost and present fluorescent tube circuits for triggering high-pressure sodium lamp starter, and benchmark crystal oscillator signal injects two self-oscillation chip RC oscillator C through frequency divider TThe end locking phase, the FM signal generator sawtooth signal inserts two self-oscillation chip RC oscillator R TEnd frequency modulation suppresses light flash, and abnormal condition of lamp tube current detector signal amplifies two self-oscillation chip RC oscillator C of access through electric resistance partial pressure, triode TEnd control vibration is turn-offed fast, and sun-generated electric power inserts the power end of benchmark crystal oscillator, frequency divider, FM signal generator, self-oscillation chip and half-bridge inverter A, self-oscillation chip and half-bridge inverter B;
Wherein, FM signal generator is by time base chip IC 5, resistance R 14, R 15, R 16And capacitor C 12Multi-harmonic-oscillations, IC 5DIS end by resistance R 13Meet a pipe Q 3Grid, capacitor C 15Meet Q 3Source resistance R 12Linear sawtooth signal is exported in the bootstrapping positive feedback, inserts two self-oscillation chip RC end frequency modulation and suppresses light flash.
The fluorescent tube circuits for triggering are by pulse firing transformer T 4, bidirectional trigger diode VD 5, high voltage direct current generator forms, fluorescent tube one end is through T 4Inductance L 8, capacitor C 10Meet addition coupler T 3Inductance L 6, capacitor C 10With inductance L 8Contact and connecting resistance R 11, T 4Inductance L 7Meet ground capacity C 11, bidirectional trigger diode VD 5Series connection T 4Inductance L 7Ground connection, high voltage direct current generator is by time base chip IC 5The multi-harmonic-oscillations square wave meets transformer T 5Inductance L 10, by inductance L 11Boost, diode VD 4Rectification, capacitor C 17, resistance R 18Filtering is through resistance R 19Connect capacitor C 10With T 4Inductance L 8Contact, the fluorescent tube other end pass lamp abnormality detection electric current mutual inductance magnet ring ground connection, inductance L 9Meet diode VD 6Detection, capacitor C 19, resistance R 10, through resistance R 7, R 8Dividing potential drop, triode VT 1Amplify and insert two self-oscillation chip RC oscillator C TEnd;
Sun-generated electric power is by photovoltaic battery panel E 1Output series connection blocking diode VD 9, relay contact connects storage battery E 2With the light fixture that is connected to lighting switch, storage battery E 2Cross pressure-controlled sample resistance R 20, RP 1, R 21Base chip IC during access 5High level trigger end TH, under-voltage control sample resistance R 22, RP 2, R 23Insert low level trigger end TL, electrical equipment is succeeded in output, and storage battery seals in quick fuse F, and takes over control reversal connection diode VD 10
The utility model produces good effect: it is synthetic to solve the vibrate high frequency stabilization, Phase synchronization power of the two semi-bridge inversions of sun-generated electric power, reach the high-power high voltage sodium lamp lighting that single self-oscillation half-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 solutions of the utility model theory diagram
Fig. 2 benchmark crystal oscillating circuit
The two half-bridges of Fig. 3 sun-generated electric power are annotated the synthetic high-pressure sodium lamp circuit of lock power
Fig. 4 solar-electricity source circuit
Embodiment
With reference to Fig. 1,2,3,4 (Fig. 3 is that example, self-oscillation chip and half-bridge inverter B are identical with self-oscillation chip and half-bridge inverter A circuit), the utility model embodiment and embodiment: comprise sun-generated electric power 1, high-pressure sodium fluorescent tube 11, benchmark crystal oscillator 2, frequency divider 3, self-oscillation chip 4,6, half-bridge inverter A5, half-bridge inverter B7, addition coupler 8, FM signal generator 9, fluorescent tube circuits for triggering 10, abnormal condition of lamp tube current detector 12, 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 4IR2153 includes RC oscillator, semi-bridge inversion drive circuit, and two self-oscillation chips 4,6 RC oscillator be connecting resistance R altogether 3, capacitor C 5Synchronized oscillation, output connects by two MOS field effect tube Q through the semi-bridge inversion drive circuit respectively 1, Q 2Complementary half-bridge inverter A5, the half-bridge inverter B7 that forms, self-oscillation chip 4 and half-bridge inverter A5 output power transformer T 1With self-oscillation chip 6 and half-bridge inverter B7 output power transformer T 2Anti-phase feed-in addition coupler 8, power synthesize, boost and present fluorescent tube circuits for triggering 10 high-pressure sodium fluorescent tubes 11 starters, and benchmark crystal oscillator 2 is through frequency divider 3 frequency division ÷ N reference signal f 0Capacitor C 4, C 5Dividing potential drop is injected two self-oscillation chips 4,6 RC oscillator C TThe end locking phase, FM signal generator 9 sawtooth signals are through resistance R 12Capacitor C 15Insert two self-oscillation chips 4,6 RC oscillator R TEnd suppresses light flash, abnormal condition of lamp tube current detector 12 signal resistance R 7, R 8Dividing potential drop, through triode VT 1Amplify to insert two self-oscillation chips 4,6 RC oscillator C TEnd control vibration is turn-offed fast, and sun-generated electric power 1 inserts power end+V of benchmark crystal oscillator 2, frequency divider 3, FM signal generator 9, self-oscillation chip 4 and half-bridge inverter A5 and self-oscillation chip 6 and half-bridge inverter B7.
IC 4Pin mark function: V CCChip low-tension supply end, V BThe driver power supply of floating, HO drives Q 1Grid, LO drives Q 2Grid, V SThe power supply of floating returns, R TConnect the vibration timing resistor, C TConnect the vibration timing capacitor, OCM power signal ground connection.
IC 5, IC 6Pin mark function: V DDPower supply, the TH high level triggers, and the TR low level triggers, the CON voltage control, the DIS discharge end, RES resets, OUT output, GND ground connection.
The self-oscillation chip IC 4By resistance R 2, capacitor C 3Startup is supplied with in the sun-generated electric power step-down produced vibration, drive half-bridge power metal-oxide-semiconductor Q 1, Q 2, making it conduction and cut-off in turn, inverter mid point output this moment square-wave voltage is through resistance R 6, capacitor C 7, diode VD 2, VD 3Rectification is to capacitor C 3Charging is for the self-oscillation chip IC 4Power supply, conversion back resistance R 2Stop power supply, reduce power consumption.Diode VD 1To capacitor C 6Bootstrapping charging, the power supply of floating drive half-bridge inverter and reduce power consumption.
Two inverter powers are synthetic to drag large-power lamp, and dilatation is reliable, but two self-oscillation chip oscillate voltage-phases should be 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 demodulation, loop filtering, the simple superior performance of circuit, 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 C through frequency division TThe end locking phase.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 RC oscillators are total to connecting resistance R 3, capacitor C 5Synchronized oscillation, locking time is fast.
Injecting reference frequency is the integral multiple of 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, easily locks 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 9No power waste.
The fluorescent tube circuits for triggering pass through capacitor C by high frequency voltage 10, resistance R 11With high direct voltage through resistance R 19To capacitor C 11Charging is when voltage is charged to bidirectional trigger diode VD 5Conducting, electric current is through pulse ignition transformer T 4Inductance L 7, inductance L 8Induction generates high-voltage pulse, triggers high-pressure sodium fluorescent tube G gas conducting starter.Behind the tube starting, VD 5No longer produce trigger impulse.
FM signal generator, time base chip IC 5Multi-harmonic-oscillations produces the low frequency sawtooth signal, by field pipe Q 3, capacitor C 15The bootstrapping positive feedback, capacitor C 12Charging, resistance R 16The constant charge rate that makes of pressure drop is constant, ensures the waveform linearity, frequency modulation(FM) self-oscillation chip RC oscillator, and linear saw-tooth wave is annotated the variation of lock centre frequency cycle around the benchmark crystal oscillator, eliminates fluorescent tube electric arc standing wave acoustic resonance point, suppresses the flicker steady light.High voltage direct current generator with press down to dodge FM signal generator base chip IC when same 5Produce oscillation boosting, rectification and filtering, kill two birds with one stone.
The lamp abnormality detection is by lamp current mutual inductance magnet ring inductance L 9Voltage diode VD 6Detection, capacitor C 19, resistance R 10Filtering is through resistance R 7, R 8Dividing potential drop, triode VT 1Amplify and trigger two self-oscillation chip RC oscillator C TEnd, the comparator voltage of chip internal is reduced to V CCBelow/6, failure of oscillation turn-offs the inverter power pipe 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 6The 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 lamp 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 9Unilateal conduction prevents storage battery to the solar cell reverse charge, diode VD 10When reverse connection of accumulator conducting short circuit, blown fuse F protects storage battery fast.Capacitor C 20, C 22Decoupling, resistance R 24, capacitor C 21, voltage stabilizing didoe VD 8Base chip power when supplying.Diode VD 7Suppress the relay adhesive, discharge the reverse voltage that produces, base chip IC during protection 6Impaired.
Embodiment sun-generated electric power 285V, two half-bridge inverter electric current 0.6A drive the 150W high-pressure sodium lamp, efficient 87%, the inverter current low power consumption is low, and light is stable.Be applicable to the high-power high voltage sodium lamp lighting of sun-generated electric power power supply.

Claims (4)

1. the two half-bridges of sun-generated electric power are annotated the synthetic high-pressure sodium lamp of lock power, comprise sun-generated electric power, the high-pressure sodium fluorescent tube, it is characterized in that: also comprise the benchmark crystal oscillator, frequency divider, two self-oscillation chips, half-bridge inverter A, half-bridge inverter B, the addition coupler, FM signal generator, the fluorescent tube circuits for triggering, the abnormal condition of lamp tube current detector, 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 the RC oscillator, the semi-bridge inversion drive circuit, two self-oscillation chip RC oscillators are total to connecting resistance R 3, capacitor C 5Synchronized oscillation, output connect by complementary half-bridge inverter A, the half-bridge inverter B that forms of two MOS field effect tubes, self-oscillation chip and half-bridge inverter A output power transformer T through the semi-bridge inversion drive circuit respectively 1With self-oscillation chip and half-bridge inverter B output power transformer T 2Anti-phase feed-in addition coupler, power synthesize, boost and present fluorescent tube circuits for triggering high-pressure sodium lamp starter, and benchmark crystal oscillator signal injects two self-oscillation chip RC oscillator C through frequency divider TThe end locking phase, the FM signal generator triangular signal inserts two self-oscillation chip RC oscillator R TEnd frequency modulation suppresses light flash, and abnormal condition of lamp tube current detector signal amplifies two self-oscillation chip RC oscillator C of access through electric resistance partial pressure, triode TEnd control vibration is turn-offed fast, and sun-generated electric power inserts the power end of benchmark crystal oscillator, frequency divider, FM signal generator, self-oscillation chip and half-bridge inverter A, self-oscillation chip and half-bridge inverter B.
2. the two half-bridges of sun-generated electric power according to claim 1 are annotated the synthetic high-pressure sodium lamp of lock power, it is characterized in that: FM signal generator by the time base chip IC 5, resistance R 14, R 15, R 16And capacitor C 12Multi-harmonic-oscillations, IC 5DIS end by resistance R 13Meet a pipe Q 3Grid, capacitor C 15Meet Q 3Source resistance R 12Linear sawtooth signal is exported in the bootstrapping positive feedback, inserts two self-oscillation chip RC end frequency modulation and suppresses light flash.
3. the two half-bridges of sun-generated electric power according to claim 1 are annotated the synthetic high-pressure sodium lamp of lock power, and it is characterized in that: the fluorescent tube circuits for triggering are by pulse firing transformer T 4, bidirectional trigger diode VD 5, high voltage direct current generator forms, fluorescent tube one end is through T 4Inductance L 8, capacitor C 10Meet addition coupler T 3Inductance L 6, capacitor C 10With inductance L 8Contact and connecting resistance R 11, T 4Inductance L 7Meet ground capacity C 11, bidirectional trigger diode VD 5Series connection T 4Inductance L 7Ground connection, high voltage direct current generator is by time base chip IC 5The multi-harmonic-oscillations square wave meets transformer T 5Inductance L 10, by inductance L 11Boost, diode VD 4Rectification, capacitor C 17, resistance R 18Filtering is through resistance R 19Connect capacitor C 10With T 4Inductance L 8Contact, the fluorescent tube other end pass lamp abnormality detection electric current mutual inductance magnet ring ground connection, inductance L 9Meet diode VD 6Detection, capacitor C 19, resistance R 10, through resistance R 7, R 8Dividing potential drop, triode VT 1Amplify and insert two self-oscillation chip RC oscillator C TEnd.
4. the two half-bridges of sun-generated electric power according to claim 1 are annotated the synthetic high-pressure sodium lamp 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 9, relay contact connects storage battery E 2With the light fixture that is connected to lighting switch, storage battery E 2Cross pressure-controlled sample resistance R 20, RP 1, R 21Base chip IC during access 5High level trigger end TH, under-voltage control sample resistance R 22, RP 2, R 23Insert low level trigger end TL, electrical equipment is succeeded in output, and storage battery seals in quick fuse F, and takes over control reversal connection diode VD 10
CN 201320227510 2013-04-15 2013-04-15 Solar power supply double half-bridge injection-locking power synthesis high-voltage sodium lamp Expired - Fee Related CN203181374U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103338573A (en) * 2013-04-15 2013-10-02 梅玉刚 Solar power supply dual-half-bridge injection locking power synthesis high pressure sodium lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103338573A (en) * 2013-04-15 2013-10-02 梅玉刚 Solar power supply dual-half-bridge injection locking power synthesis high pressure sodium lamp
CN103338573B (en) * 2013-04-15 2015-01-28 梅玉刚 Solar power supply dual-half-bridge injection locking power synthesis high pressure sodium lamp

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C17 Cessation of patent right
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Granted publication date: 20130904

Termination date: 20140415