CN203181384U - Solar power supply four-full-bridge injection locking power synthesis fluorescent lamp set - Google Patents
Solar power supply four-full-bridge injection locking power synthesis fluorescent lamp set Download PDFInfo
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- CN203181384U CN203181384U CN 201320227423 CN201320227423U CN203181384U CN 203181384 U CN203181384 U CN 203181384U CN 201320227423 CN201320227423 CN 201320227423 CN 201320227423 U CN201320227423 U CN 201320227423U CN 203181384 U CN203181384 U CN 203181384U
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Abstract
The utility model relates to the technical field of electric light source, and specifically relates to a solar power supply four-full-bridge injection locking power synthesis fluorescent lamp set. A self-oscillation chip A, a full-bridge inverter A', an output power transformer T1 and a self-oscillation chip B, a full-bridge inverter B', an output power transformer T2 are fed in an addition coupler TB1. A self-oscillation chip C, a full-bridge inverter C', an output power transformer T3 and a self-oscillation chip D, a full-bridge inverter D', an output power transformer T4 are fed in an addition coupler TB2. The addition coupler TB1 and the addition coupler TB2 are fed in an addition coupler TB3, powers are synthesized, and the lamp set is ignited matching with a lamp tube circuit. Reference crystal oscillator signals are injected into the four self-oscillation chips via a frequency divider so that a phase is locked, an output power is stabilized, the lamp is prevented from being overheated, oscillation frequency is prevented from being changed, and power imbalance and dim light are prevented. Abnormal current detector signals of the lamp tube are connected to SD terminals of the four self-oscillation chips to protect power tubes. The lamp set is applicable to the illumination of conference rooms, living rooms and homes.
Description
Technical field
The utility model relates to the electric source lighting technical field, specifically is that a kind of sun-generated electric power four full-bridges are annotated the synthetic fluorescent lamp group of lock power.
Background technology
Prior art usually with LC or RC oscillator as fluorescent lamp group electric light source, it is stable inadequately that the frequency of oscillation of generation is subjected to the temperature change stability difference to influence power, causes light intensity to descend, though 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, 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 Granted publication CN202068651U four bridges vibration inverter power drags high-power fluorescent lamp, solves the restriction of device power capacity.But the synthetic oscillating voltage phase place of power is inconsistent, and it is unbalanced that non-linear intermodulation influences power, awaits technological improvement.
Summary of the invention
The purpose of this utility model provides sun-generated electric power power supply, and vibrate a kind of sun-generated electric power four full-bridges of high frequency stabilization Phase synchronization high-power illumination of inversion are annotated the synthetic fluorescent lamp group of lock power.
The utility model technical 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, full-bridge inverter A ', full-bridge inverter B ', full-bridge inverter C ', full-bridge inverter D ', addition coupler TB
1, addition coupler TB
2, addition coupler TB
3Tube circuit, the abnormal condition of lamp tube current detector, wherein, the benchmark crystal oscillator is by quartz-crystal resonator, six inverters and resistance, electric capacity is formed, 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, insert benchmark crystal oscillator signal by another inverter, through four inverters of frequency divider tap, the self-oscillation chip includes oscillator, the full-bridge inverting drive circuit, lamp failure closing controller SD, output connects by two groups of complementary half-bridges formation full-bridge inverter A ' of four high-power MOS field effect transistor through the 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 T
1With self-oscillation chip B full-bridge inverter B ' output power transformer T
2Feed-in addition coupler TB
1, self-oscillation chip C full-bridge inverter C ' output power transformer T
3With self-oscillation chip D full-bridge inverter D ' output power transformer T
4Feed-in addition coupler TB
2, addition coupler TB
1With addition coupler TB
2Feed-in addition coupler TB
3Power is synthetic, connect tube circuit coupling fluorescent tube group starter, benchmark crystal oscillator signal injects four self-oscillation chip EXO end locking phases respectively through frequency divider and four inverters output of connecing, abnormal condition of lamp tube current detector signal inserts four self-oscillation chip SD end protection inverter power tube, sun-generated electric power low pressure inserts benchmark crystal oscillator, frequency divider power end, and the sun-generated electric power high pressure inserts the power end of four self-oscillation chips, four full-bridge inverters;
Wherein, tube circuit is by fluorescent tube DG
1～nOne end is through resonant inductance LB
1～n, capacitor C B
1～nInsert addition coupler TB
3Inductance TB3L
2, the other end passes lamp current and detects mutual inductance magnet ring ground connection, and lamp tube ends also meets coupling startup capacitor C U
1～n, inductance L S
1Meet diode VD
5Detection, capacitor C
12, resistance R
14Filtering is through resistance R
4, R
5Dividing potential drop, a pipe Q
5Trigger four self-oscillation chip lamp failure protection control end SD, failure of oscillation turn-offs the full-bridge inverter MOS field effect tube fast;
Sun-generated electric power is by photovoltaic battery panel E
1Output series connection blocking diode VD
1, 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
6, RP
1, R
7Base chip IC during access
4High level trigger end TH, under-voltage control sample resistance R
8, RP
2, R
9Insert 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
2
The utility model produces good effect: it is synthetic to solve the inversion high frequency stabilization Phase synchronization power that vibrates, reach the high-power illumination that single self-oscillation chip full-bridge inverting is difficult to obtain, avoid device temperature rise frequency of oscillation to change power imbalances, improve the lamp lighting quality, steady light increases the service life, cost saving.
Description of drawings
Fig. 1 technical solutions of the utility model 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-bridges are annotated the synthetic fluorescent lamp group circuit of lock power
Embodiment
(Fig. 3 is example with self-oscillation chip A full-bridge inverter A ' circuit with reference to Fig. 1,2,3,4,5, remaining circuit is identical), the utility model embodiment and embodiment: comprise sun-generated electric power 12, fluorescent tube group 9, benchmark crystal oscillator 10, frequency divider 11, 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 ', addition coupler TB
15, addition coupler TB
26, addition coupler TB
37, tube circuit 8, abnormal condition of lamp tube current detector 13, wherein, benchmark crystal oscillator 10 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, simultaneously, cross-over connection series connection trimming capacitor C
0Quartz-crystal resonator JT, by another inverter ic
1-2Insert benchmark crystal oscillator 10 signals, through four inverter ics of frequency divider 11 frequency division ÷ N taps
1-3, IC
1-4, IC
1-5, IC
1-6, the self-oscillation chip IC
3UBA2030T includes oscillator, full-bridge inverting drive circuit, lamp failure closing controller SD, and output connects by four high-power MOS field effect transistor Q through the full-bridge inverting drive circuit respectively
1, Q
2, Q
3, Q
4Two groups of complementary 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 T
1With self-oscillation chip B2 full-bridge inverter B ' output power transformer T
2Feed-in addition coupler TB
15, self-oscillation chip C3 full-bridge inverter C ' output power transformer T
3With self-oscillation chip D4 full-bridge inverter D ' output power transformer T
4Feed-in addition coupler TB
26, addition coupler TB
15 with addition coupler TB
26 feed-in addition coupler TB
37 power are synthetic, connect tube circuit 8 coupling fluorescent tube groups 9 starters, and benchmark crystal oscillator 10 signals are through frequency divider 11 and 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 the EXO end locking phase of four self-oscillation chip A1, B2, C3, D4 respectively, abnormal condition of lamp tube current detector 13 signals insert the SD end of four self-oscillation chip A1, B2, C3, D4, failure of oscillation turn-offs the full-bridge inverter MOS field effect tube fast, sun-generated electric power 12 low pressure insert benchmark crystal oscillator 10, frequency divider 11 power ends, and sun-generated electric power 12 high pressure insert the power end of four self-oscillation chip A1, B2, C3, D4 and four full-bridge inverter A ', B ', C ', D '.
IC
3Pin mark function: HV high voltage source, V
DDLow-tension supply, the input of RC oscillator, the external oscillator signal of EXO, GHL drives Q
1, GLL drives Q
2, GHR drives Q
3, GLR drives Q
4, the output of SHL bridge circuit meets Q
1Source electrode, output transformer T
1Inductance L
1, the output of SHR bridge circuit meets Q
3Source electrode, capacitor C
7, the BE bridge circuit enables control, and the BER bridge circuit enables reference, DTC Dead Time control, the FSL power supply of floating, the FSR power supply of floating, SD closes vibration, GND ground connection.
IC
4Pin mark function: V
CCPower end, the TL low level triggers, and the TH high level triggers, V
MRReset Vc voltage control, DIS discharge end, V
0Output, GND ground connection.
The self-oscillation chip IC
3Power supply termination sun-generated electric power high pressure HV generates low-tension supply V by chip internal
DDProvide and produce vibration, capacitor C
3Filtering ripple, vibration start back bootstrap capacitor C
5Charging, power supply full-bridge inverter diagonal power MOS pipe Q floats
1, Q
4Conducting, Q
2, Q
3End, at this moment capacitor C
6Charging, power supply Q floats
1, Q
4Conducting, Q
2, Q
3End, the half period that takes turns to operate, output voltage is square wave.Full-bridge alternately switches 1/2 FREQUENCY CONTROL by RC oscillator frequency of oscillation, resistance R
2Control waveform Dead Time.
The synthetic large-power lamp that drags of power, dilatation is flexible, reliable, but requires self-oscillation chip oscillate voltage-phase unanimity, and is 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, and it is synchronous to be suitable for the synthetic large-power lamp stable oscillation stationary vibration frequency plot of power, 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 height, frequency is subjected to variations in temperature minimum, and it is highly stable that to make benchmark accurate.Reference signal is injected self-oscillation chip EXO end locking phase through frequency division.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.
Based on injecting the integral multiple that reference frequency is the 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, 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.
Addition coupler TB
1, TB
2Respectively with two full-bridge power output stacks, addition coupler TB
3Four full-bridge power output stack summations are delivered to lamp load, and four full-bridge inverter input voltages, frequency, phase place and load are identical, equalizing resistance R
11, R
12, R
13No power consumption.
Do not have power output when certain inverter breaks down, the corresponding circuits equalizing resistance absorbs the pairing inverter power, though whole lamp power reduces but still can keep illumination, improves reliability.
Lamp abnormality detection mutual inductance magnet ring inductance L S
1Induced potential diode VD
5Detection, capacitor C
12, resistance R
14Filtering is through SD ' resistance R
4, R
5Dividing potential drop, a pipe Q
5Trigger four self-oscillation chip SD ends, as trigger voltage 4.5V～V
DDDuring high level signal, failure of oscillation turn-offs the full-bridge inverter power tube 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
4The 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
1Unilateal conduction prevents storage battery to the solar cell reverse charge, diode VD
2When reverse connection of accumulator conducting short circuit, blown fuse F protects storage battery fast.Capacitor C
9, C
10Decoupling, resistance R
10, capacitor C
11, voltage stabilizing didoe VD
3Base chip power when supplying.Diode VD
4Suppress the relay J adhesive, discharge the reverse voltage that produces, protection IC
4Impaired.
Embodiment sun-generated electric power 450V, four full-bridge inverter electric current 2A drive 8 125W fluorescent lamp group pipe DG
1～DG
n, efficient 88%, inverter current is little, and device power consumption is low, need not the device radiation device, long-time houselights is stable.Be applicable to meeting room, parlor and fluorescent lighting at home.
Claims (3)
1. sun-generated electric power four full-bridges are annotated the synthetic fluorescent lamp group of 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, full-bridge inverter A ', full-bridge inverter B ', full-bridge inverter C ', full-bridge inverter D ', addition coupler TB
1, addition coupler TB
2, addition coupler TB
3Tube circuit, the abnormal condition of lamp tube current detector, wherein, the benchmark crystal oscillator is by quartz-crystal resonator, six inverters and resistance, electric capacity is formed, 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, insert benchmark crystal oscillator signal by another inverter, through four inverters of frequency divider tap, the self-oscillation chip includes oscillator, the full-bridge inverting drive circuit, lamp failure closing controller SD, output connects by two groups of complementary half-bridges formation full-bridge inverter A ' of four high-power MOS field effect transistor through the 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 T
1With self-oscillation chip B full-bridge inverter B ' output power transformer T
2Feed-in addition coupler TB
1, self-oscillation chip C full-bridge inverter C ' output power transformer T
3With self-oscillation chip D full-bridge inverter D ' output power transformer T
4Feed-in addition coupler TB
2, addition coupler TB
1With addition coupler TB
2Feed-in addition coupler TB
3Power is synthetic; connect tube circuit coupling fluorescent tube group starter; benchmark crystal oscillator signal injects four self-oscillation chip EXO end locking phases respectively through frequency divider and four inverters output of connecing; abnormal condition of lamp tube current detector signal inserts four self-oscillation chip SD end protection inverter power tube; sun-generated electric power low pressure inserts benchmark crystal oscillator, frequency divider power end, and the sun-generated electric power high pressure inserts the power end of four self-oscillation chips, four full-bridge inverters.
2. sun-generated electric power four full-bridges according to claim 1 are annotated the synthetic fluorescent lamp group of lock power, and 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～nInsert addition coupler TB
3Inductance TB3L
2, the other end passes lamp current and detects mutual inductance magnet ring ground connection, and lamp tube ends also meets coupling startup capacitor C U
1～n, inductance L S
1Meet diode VD
5Detection, capacitor C
12, resistance R
14Filtering is through resistance R
4, R
5Dividing potential drop, a pipe Q
5Trigger two self-oscillation chip lamp failure protection control end SD, failure of oscillation turn-offs the full-bridge inverter MOS field effect tube fast.
3. sun-generated electric power four full-bridges according to claim 1 are annotated the synthetic fluorescent lamp group 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
1, 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
6, RP
1, R
7Base chip IC during access
4High level trigger end TH, under-voltage control sample resistance R
8, RP
2, R
9Insert 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
2
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320227423 CN203181384U (en) | 2013-04-15 | 2013-04-15 | Solar power supply four-full-bridge injection locking power synthesis fluorescent lamp set |
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|---|---|---|---|
| CN 201320227423 CN203181384U (en) | 2013-04-15 | 2013-04-15 | Solar power supply four-full-bridge injection locking power synthesis fluorescent lamp set |
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| CN203181384U true CN203181384U (en) | 2013-09-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104105319A (en) * | 2013-04-15 | 2014-10-15 | 阮树成 | Solar power supply four-full-bridge injection locking power synthesis fluorescent lamp set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104105319A (en) * | 2013-04-15 | 2014-10-15 | 阮树成 | Solar power supply four-full-bridge injection locking power synthesis fluorescent lamp set |
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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 |