CN203181369U - Solar power supply double-push injection-locking power synthesis low-voltage sodium lamp - Google Patents
Solar power supply double-push injection-locking power synthesis low-voltage sodium lamp Download PDFInfo
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- CN203181369U CN203181369U CN 201320227464 CN201320227464U CN203181369U CN 203181369 U CN203181369 U CN 203181369U CN 201320227464 CN201320227464 CN 201320227464 CN 201320227464 U CN201320227464 U CN 201320227464U CN 203181369 U CN203181369 U CN 203181369U
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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-push injection-locking power synthesis low-voltage sodium lamp. Two self-sustained oscillation chips 4, 6 are together connected to a timing resistor R2 and a capacitor C4 for synchronous oscillation. A self-sustained oscillation chip 4 and push-pull inverter A output power transformer T1, and a self-sustained oscillation chip 6 and push-pull inverter B output power transformer T2 are fed into an addition coupler for power synthesis. The synthesized power further undergoes a voltage boost and is then fed into a lamp tube circuit for making a low-voltage sodium lamp turned on and illuminate. Signals of a reference crystal oscillator are injected into RC oscillators of the two self-sustained oscillation chips 4, 6 through a frequency divider for phase locking. An excessive temperature rise of devices is prevented. Imbalanced oscillation frequency change power is further prevented. Light rays are prevented from deteriorating. The low-voltage sodium lamp is suitably used in illumination occasions of low-voltage sodium lamps powered by a low-voltage heavy-current solar power supply.
Description
Technical field
The utility model relates to the electric source lighting technical field, specifically is the two synthetic low-pressure sodium lamps of lock power of injecting of a kind of sun-generated electric power.
Background technology
The prior art electric ballast usually with LC or RC oscillator as low pressure sodium electric light source, the frequency of oscillation that produces is subjected to variations in temperature, and poor stability influences the unstable light intensity of power and descends, and especially the low-pressure sodium lamp of sun-generated electric power power supply is operated in low-voltage, big electric current, though features simple structure, cost is low.Because supply voltage is low, obtain high-power illumination and certainly will increase electric current, and the too high frequency of oscillation that causes of hunting power pipe power consumption sharp increase temperature rise changes, the result can make light unbalance with the frequency change power magnitude.Simultaneously, big electric current descends by the high magnetic permeability of coil temperature rise, the little impedance trend zero of saturation inductors quantitative change, light fixture operating time and temperature rise direct ratio, device aging is accelerated in temperature rise, and gently then the unstable brightness of lamp luminescence descends, and is heavy then burn out device reduction of service life.The stack of two vibration inverter powers is dragged high-power low-pressure sodium lamp, solve the restriction of device power capacity.But the synthetic oscillating voltage phase place of power requires consistent, and is unbalanced to overcome non-linear intermodulation power.
Summary of the invention
The purpose of this utility model provides sun-generated electric power low-voltage and high-current power supply, the inversion two synthetic low-pressure sodium lamps of lock power of injecting of the phase locked a kind of sun-generated electric power of high frequency stabilization that vibrate.
The utility model technical solution is: comprise sun-generated electric power, low-pressure sodium lamp pipe, benchmark crystal oscillator, frequency divider, two self-oscillation chips, recommend inverter A, recommend inverter B, addition coupler T
3, tube circuit; wherein; the benchmark crystal oscillator is made up of quartz-crystal resonator, two inverters and resistance, electric capacity; first inverter input and the biasing of output two ends cross-over connection resistance; 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, recommends inverse changing driving circuit, lamp failure protection controller SD, and two self-oscillation chip RC oscillators are connecting resistance R altogether
2, capacitor C
4Synchronized oscillation, output connect by what two high-power MOS field effect transistor were formed and recommend inverter A, recommend inverter B through recommending inverse changing driving circuit respectively, self-oscillation chip and recommend inverter A output power transformer T
1Inductance L
2With the self-oscillation chip and recommend inverter B output power transformer T
2Inductance L
5By addition coupler T
3Inductance L
6Power is synthetic, inductance L
7Boost through tube circuit inductance, capacitor resonance excitation low-pressure sodium lamp pipe starter, benchmark crystal oscillator signal injects two self-oscillation chip RC oscillator C through frequency divider
TThe end locking phase, tube circuit lamp anomaly detection signal inserts two self-oscillation chip lamp failures protection controller SD, and sun-generated electric power connects benchmark crystal oscillator, frequency divider, self-oscillation chip and recommends inverter A and self-oscillation chip and recommend the power end of inverter B;
Wherein, tube circuit by an end of low-pressure sodium lamp pipe through resonant inductance L
8, capacitor C
9Meet addition coupler T
3Inductance L
7, the other end passes abnormal condition of lamp tube and detects electric current mutual inductance magnet ring ground connection, lamp tube ends shunt capacitance C
10, inductance L
9Voltage is through diode VD
1Detection, capacitor C
11, resistance R
10Filtering inserts two self-oscillation chip lamp failure protection controller SD;
Sun-generated electric power photovoltaic battery panel E
1Output series connection blocking diode VD
2, 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
12, RP
1, R
13Base chip IC during access
5High level trigger end TH, under-voltage control sample resistance R
14, RP
2, R
15Insert 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
3
The utility model produces good effect: it is synthetic to solve sun-generated electric power low-voltage, the big electric current double push-pull inversion high frequency stabilization Phase synchronization power that vibrates, reach single self-oscillation and recommend the high-power low-pressure sodium lamp illumination that 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 synthetic low-pressure sodium lamp circuit of lock power of injecting of Fig. 3 sun-generated electric power
Fig. 4 solar-electricity source circuit
Embodiment
(Fig. 3 is with the self-oscillation chip and to recommend inverter A be example with reference to Fig. 1,2,3, the self-oscillation chip and to recommend inverter B identical with A), the utility model embodiment and embodiment: comprise sun-generated electric power 1, low-pressure sodium lamp pipe 9, benchmark crystal oscillator 2, frequency divider 3, two self-oscillation chips 4,6, recommend inverter A5, recommend inverter B7, addition coupler T
38, tube circuit 10, and 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 resistance R
1Biasing, 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
4IR2157 includes the RC oscillator, recommends inverse changing driving circuit, lamp failure protection controller, and two self-oscillation chips 4,6 RC oscillator be connecting resistance R altogether
2, capacitor C
4Synchronized oscillation, output connect by two high-power MOS field effect transistor Q through recommending inverse changing driving circuit respectively
1, Q
2That forms recommends inverter A5, recommends inverter B7, self-oscillation chip 4 and recommend inverter A5 output power transformer T
1Inductance L
2With self-oscillation chip 6 and recommend inverter B7 output power transformer T
2Inductance L
5By addition coupler T
38 inductance L
6Power is synthetic, inductance L
7Boost through tube circuit 10 inductance L
8, capacitor C
9Resonant excitation low-pressure sodium lamp pipe 9 starters, benchmark crystal oscillator 2 signals are through frequency divider 3 frequency division ÷ N reference signal f
0Capacitor C
3, C
4Dividing potential drop is injected two self-oscillation chips 4,6 RC oscillator C
TThe end locking phase; tube circuit 10 lamp anomaly detection signals insert two self-oscillation chips 4,6 lamp failures protection controller SD, and sun-generated electric power 1 connects benchmark crystal oscillator 2, frequency divider 3, self-oscillation chip 4 and recommends inverter A5 and self-oscillation chip 6 and recommend power end+V of inverter B7.
IC
4Pin mark function: V
CCPower end, C
TMeet vibration timing capacitor C
4, R
TMeet vibration timing resistor R
2, H
ODrive Q
1, L
ODrive Q
2, CS current detecting, SD lamp failure protection control, COM ground connection.
IC
5Pin mark function: V
CCPower end, the TL low level triggers, and the TH high level triggers, V
MRReset Vc voltage control, D
ISDischarge end, V
0Output, GND ground connection.
Sun-generated electric power is by resistance R
11Step-down, capacitor C
7The self-oscillation chip IC is supplied with in filtering
4Power supply V
CCProduce vibration, through H
O, L
OInverter is recommended in driving, high-power MOS tube Q
1, Q
2In turn conducting, by half cycle, power output connects the addition coupler and to recommend inverter B power output synthetic.
Two inverter powers are synthetic to drag large-power lamp, and dilatation is reliable, but requires two self-oscillation chip oscillate voltage-phase unanimities, and non-linear intermodulation active power is unbalanced obtains stable power output to eliminate.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, and just structure is different with the course of work, 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.
Be the integral multiple of tracking lock frequency of oscillation based on injecting reference frequency, or frequency of oscillation is the integral multiple of reference frequency, the reference signal frequency division injects the high wen-frequency characteristics quartz resonator of apolegamy upper frequency, is easy to lock tens of to hundreds of kilo hertzs of LC or RC oscillator.Frequency divider IC
3Binary system or decimal system counting frequency division.Benchmark crystal oscillator quartz resonator quality factor height, frequency is subjected to variations in temperature minimum, the highly stable locking reference signal that can be used as.
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
2, capacitor C
4Synchronized oscillation, locking time is fast.
Addition coupler T
3Inductance L
6To two push away output power transformer T
1Inductance L
2, T
2Inductance L
5Anti-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, balance resistance R when two electric currents equate
9No power waste.
Abnormal condition of lamp tube detects electric current mutual inductance magnet ring inductance L
9Voltage diode VD
1Detection, capacitor C
11, resistance R
10Filtering is through resistance R
7, R
8Insert two self-oscillation chip lamp failure protection controller SD, turn-off the RC oscillator fast, protection double push-pull inverter power tube is avoided damaging.Power tube large-current electric resistance R when lamp is unusual
6Pressure drop is through resistance R
4, capacitor C
8Opening chip IC
4Current detecting CS end and then protection inverter power tube.
Fig. 4, the under-voltage control of sun-generated electric power, base chip IC when battery tension is lower than
5The 555 low level trigger end TL 1/3V that takes a sample
CCThe time, the set of time base chip, the relay J adhesive, contact J-1 connects charge in batteries, when the battery tension abundance, crosses pressure-controlled voltage and is higher than the high level trigger end HL 2/3V that takes a sample
CC, time base chip reset, relay releasing contact J-1 cuts off solar cell the storage battery overvoltage is charged.Along with light fixture DW illumination consumed power battery tension is reduced to set voltage, solar cell recovers charging, makes battery tension remain on the illumination desirable value, switch S control lamp lighting.
Blocking diode VD
2Unilateal conduction prevents storage battery to the solar cell reverse charge, diode VD
3As working as reverse connection of accumulator conducting short circuit, blown fuse F protects storage battery fast.Capacitor C
12, C
13Decoupling, resistance R
16, capacitor C
14, voltage stabilizing didoe VD
4Base chip power when supplying.
Embodiment sun-generated electric power voltage 36V, inverter current 2.2A, the two synthetic coupling of power output 70W low-pressure sodium lamp D that push away, inversion efficiency reaches 88%, and light is stable.
Claims (3)
1. the two synthetic low-pressure sodium lamps of lock power of injecting of a sun-generated electric power comprise sun-generated electric power, low-pressure sodium lamp pipe, it is characterized in that: also comprise benchmark crystal oscillator, frequency divider, two self-oscillation chips, recommend inverter A, recommend inverter B, addition coupler T
3, tube circuit; wherein; the benchmark crystal oscillator is made up of quartz-crystal resonator, two inverters and resistance, electric capacity; first inverter input and the biasing of output two ends cross-over connection resistance; 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, recommends inverse changing driving circuit, lamp failure protection controller SD, and two self-oscillation chip RC oscillators are connecting resistance R altogether
2, capacitor C
4Synchronized oscillation, output connect by what two high-power MOS field effect transistor were formed and recommend inverter A, recommend inverter B through recommending inverse changing driving circuit respectively, self-oscillation chip and recommend inverter A output power transformer T
1Inductance L
2With the self-oscillation chip and recommend inverter B output power transformer T
2Inductance L
5By addition coupler T
3Inductance L
6Power is synthetic, inductance L
7Boost through tube circuit inductance, capacitor resonance excitation low-pressure sodium lamp pipe starter, benchmark crystal oscillator signal injects two self-oscillation chip RC oscillator C through frequency divider
TThe end locking phase; tube circuit lamp anomaly detection signal inserts two self-oscillation chip lamp failures protection controller SD, and sun-generated electric power connects benchmark crystal oscillator, frequency divider, self-oscillation chip and recommends inverter A and self-oscillation chip and recommend the power end of inverter B.
2. two synthetic low-pressure sodium lamps of lock power of injecting of sun-generated electric power according to claim 1 is characterized in that: tube circuit by an end of low-pressure sodium lamp pipe through resonant inductance L
8, capacitor C
9Meet addition coupler T
3Inductance L
7, the other end passes abnormal condition of lamp tube and detects electric current mutual inductance magnet ring ground connection, lamp tube ends shunt capacitance C
10, inductance L
9Voltage is through diode VD
1Detection, capacitor C
11, resistance R
10Filtering inserts two self-oscillation chip lamp failure protection controller SD.
3. the two synthetic low-pressure sodium lamps of lock power of injecting of sun-generated electric power according to claim 1 is characterized in that: sun-generated electric power photovoltaic battery panel E
1Output series connection blocking diode VD
2, 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
12, RP
1, R
13Base chip IC during access
5High level trigger end TH, under-voltage control sample resistance R
14, RP
2, R
15Insert 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
3
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103327714A (en) * | 2013-04-15 | 2013-09-25 | 阮小青 | Solar energy power source double-pushing injection locking power synthesis low pressure sodium lamp |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103327714A (en) * | 2013-04-15 | 2013-09-25 | 阮小青 | Solar energy power source double-pushing injection locking power synthesis low pressure sodium lamp |
CN103327714B (en) * | 2013-04-15 | 2015-06-24 | 阮小青 | Solar energy power source double-pushing injection locking power synthesis low pressure sodium lamp |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20140415 |