CN103327702B - Solar energy power source double half-bridge injection locked power synthesis halogen lamp set - Google Patents
Solar energy power source double half-bridge injection locked power synthesis halogen lamp set Download PDFInfo
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- CN103327702B CN103327702B CN201310159010.5A CN201310159010A CN103327702B CN 103327702 B CN103327702 B CN 103327702B CN 201310159010 A CN201310159010 A CN 201310159010A CN 103327702 B CN103327702 B CN 103327702B
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- Prior art keywords
- self
- power
- oscillation
- halogen lamp
- chip
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Abstract
The invention relates to the technical field of electric light source lighting, in particular to a solar energy power source double half-bridge injection locked power synthesis halogen lamp set. The lamp comprises a solar power source, a halogen lamp tube set, a standard crystal oscillator, a frequency divider, a self-oscillation chip 4, a self-oscillation chip 6, a half-bridge inverter A, a half-bridge inverter B and a phase adding coupler. Two RC oscillators of the self-oscillation chip 4, and the self-oscillation chip 6 are jointly connected with a resistor R3 and a capacitor C5 to generate synchronous oscillation, namely, one is an output power transformer T1 of the self-oscillation chip 4 and the half-bridge inverter A, and the other is an output power transformer T2 of the self-oscillation chip 6 and the half-bridge inverter B; signals are fed into the phase adding coupler, power synthesis is conducted for matching of lamp tubes, signals of the standard crystal oscillator are injected into the RC oscillators of the self-oscillation chip 4 and the self-oscillation chip 6 through the frequency divider, then phase positions are locked, so that high-power lighting is achieved, and the phenomena that temperature of components is too high, oscillation frequency changes, power is unbalanced, and light dims are avoided. The solar energy power source double half-bridge injection locked power synthesis halogen lamp set is suitable for lighting of a business decorative reflector lamp with the halogen lamp tubes, wherein power of business decorative reflector lamp is supplied by the solar energy power source.
Description
Technical field
The present invention relates to electric source lighting technical field, specifically a kind of sun-generated electric power two half-bridge note lock power combing Halogen lamp LED group.
Background technology
General LC or the RC oscillator of prior art electronic transformer is as Halogen lamp LED electric light source, and it is stable not that the frequency of oscillation of generation affects power by temperature change stability difference, and cause light intensity to decline, although features simple structure, cost is low.Obtaining high-power illumination certainly will increased device electric current, and 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, big current by coil temperature rise high magnetic permeability decline, saturation inductors amount diminish impedance trend zero, 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 declines, heavy then burn out device reduction of service life.
Summary of the invention
The object of this invention is to provide sun-generated electric power to power, inversion is vibrated a kind of sun-generated electric power two half-bridge note lock power combing Halogen lamp LED group of high frequency stabilization, Phase synchronization high-power illumination.
The technology of the present invention solution is: comprise halogen lamp tube group, sun-generated electric power, benchmark crystal oscillator, frequency divider, two models are the self-oscillation chip of IR2153, half-bridge inverter A, half-bridge inverter B, be added coupler, tube circuit, wherein, benchmark crystal oscillator is by quartz-crystal resonator, two inverters and resistance, electric capacity forms, first inverter constrained input two ends cross-over connection biasing resistor, and difference earth electric capacity, simultaneously, the also quartz-crystal resonator of cross-over connection series connection trimmer, the output signal of first inverter is through second inverter shaping buffering access frequency divider, self-oscillation chip includes RC oscillator, semi-bridge inversion drive circuit, two self-oscillation chip RC oscillator connecting resistance R altogether
3, electric capacity C
5synchronized oscillation, the output of self-oscillation chip connects half-bridge inverter A, the half-bridge inverter B by two MOS field effect tube complementation compositions through semi-bridge inversion drive circuit, self-oscillation chip and half-bridge inverter A output power transformer T respectively
1with self-oscillation chip and half-bridge inverter B output power transformer T
2feed-in is added coupler, and power combing connects tube circuit coupling and lights halogen lamp tube group, and benchmark crystal oscillation signal injects two self-oscillation chip RC oscillator C through frequency divider
tend locking phase, tube circuit is by inductance L
6one termination halogen lamp tube group D
1, D
n, other end ground connection, abnormal current detects and detects mutual inductance magnet ring ground connection by Halogen lamp LED group fluorescent tube one end through lamp current, inductance L
7one terminating diode VD
4anode, inductance L
7other end ground connection, diode VD
4negative electrode shunt capacitance C
10, resistance R
10, electric capacity C
10, resistance R
10other end ground, diode VD
4negative electrode is also through resistance R
7, R
8dividing potential drop access triode VT
1amplify triggering two self-oscillation chip RC oscillator C
tend controls vibration and turns off fast, protection power tube, the power end of sun-generated electric power access benchmark crystal oscillator, frequency divider, self-oscillation chip and half-bridge inverter A and self-oscillation chip and half-bridge inverter B.
Wherein, sun-generated electric power is by photovoltaic battery panel E
1, blocking diode VD
5, anti-reverse diode VD
6, relay J and storage battery E
2, resistance R
15, switch S, time base chip IC
5and overvoltage sample circuit, under-voltage sample circuit composition, photovoltaic battery panel E
1output electrode anode series connection blocking diode VD
5, relay contact J-1 one end, the other end of relay contact J-1 connects storage battery E
2electrode anode, overvoltage sample resistance R
11, under-voltage sample resistance R
13, time base chip IC
5stabilized voltage power supply filter resistance R
15and be connected to the Halogen lamp LED group DW of switch S, cross pressure-controlled sample resistance R
11, RP
1, R
12successively series connection after and in storage battery E
2positive and negative electrode two ends, RP
1base chip IC during access
5high level trigger end TH, under-voltage control sample resistance R
13, RP
2, R
14storage battery E is parallel to successively after series connection
2positive and negative electrode two ends, RP
2base chip IC during access
5low level trigger end TL, time base chip IC
5export contact relay J, storage battery E
2negative terminal seal in ground connection after quick acting fuse F, storage battery E
2positive and negative electrode two ends anti-reverse diode VD in parallel
6.
The present invention produces good effect: solve the two semi-bridge inversion of sun-generated electric power and to vibrate high frequency stabilization, Phase synchronization power combing, reach the high-power Halogen lamp LED illumination that single auto-oscillating half-bridge inverter is difficult to obtain, avoid device temperature rise frequency of oscillation to change power imbalances, 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 sun-generated electric power two half-bridge note lock power combing halogen lamp circuit
Fig. 4 solar-electricity source circuit
Embodiment
With reference to Fig. 1,2,3,4 (Fig. 3 for self-oscillation chip and half-bridge inverter A circuit, self-oscillation chip and half-bridge inverter B identical), the specific embodiment of the invention and embodiment: comprise sun-generated electric power 1, two self-oscillation chips 4,6 that halogen lamp tube group 9, benchmark crystal oscillator 2, frequency divider 3, model are IR2153, half-bridge inverter A5, half-bridge inverter B7, addition coupler 8, tube circuit 10, wherein, benchmark crystal oscillator 2 is by quartz-crystal resonator JT, two inverter ics
1, IC
2and resistance R
1, electric capacity C
0, C
1, C
2composition, first inverter ic
1constrained input two ends cross-over connection biasing resistor R
1, and difference earth electric capacity C
1, C
2, meanwhile, also cross-over connection series connection trimming capacitor C
0quartz-crystal resonator JT, first inverter ic
1output signal through second inverter shaping buffering access frequency divider 3, self-oscillation chip IC
4iR2153 includes RC oscillator, semi-bridge inversion drive circuit, the RC oscillator connecting resistance R altogether of two self-oscillation chips 4,6
3, electric capacity C
5synchronized oscillation, the output of self-oscillation chip connects by two high-power MOS field effect transistor Q through semi-bridge inversion drive circuit respectively
1, Q
2half-bridge inverter A5, the half-bridge inverter B7 of complementary composition, 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 is added coupler 8, and power combing connects tube circuit coupling and lights halogen lamp tube group 9, and benchmark crystal oscillator 2 is through frequency divider 3 frequency division ÷ N reference signal f
0electric capacity C
4, C
5dividing potential drop injects the RC oscillator C of two self-oscillation chips 4,6
tend locking phase, tube circuit is by inductance L
6one termination halogen lamp tube group D
1, D
n, other end ground connection, abnormal current detects and detects mutual inductance magnet ring ground connection by Halogen lamp LED group fluorescent tube one end through lamp current, inductance L
7one terminating diode VD
4anode, inductance L
7other end ground connection, diode VD
4negative electrode shunt capacitance C
10, resistance R
10, electric capacity C
10, resistance R
10other end ground, diode VD
4negative electrode is also through resistance R
7, R
8dividing potential drop access triode VT
1amplify triggering two self-oscillation chip RC oscillator C
tend controls vibration and turns off fast, protection power tube Q
1, Q
2, sun-generated electric power 1 accesses the power end+V of benchmark crystal oscillator 2, frequency divider 3, 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 source, V
bthe floating power supply of driver, H
odrive Q
1grid, L
odrive Q
2grid, V
sfloating power supply returns, R
tconnect vibration timing resistor, C
tconnect vibration timing capacitor, OCM power signal ground connection.
IC
5pin 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.
Self-oscillation chip IC
4by resistance R
2, electric capacity C
3sun-generated electric power step-down supply is produced vibration, drives half-bridge power metal-oxide-semiconductor Q
1, Q
2, make it conduction and cut-off in turn, now inverter mid point exports square-wave voltage through resistance R
6, electric capacity C
7, diode VD
2, VD
3rectification is to electric capacity C
3charging, for self-oscillation chip IC
4power supply, resistance R after conversion
2stop power supply, reduce power consumption.Diode VD
1to electric capacity C
6bootstrap charge circuit, floating for electric drive half-bridge inverter minimizing power consumption.
Two inverter power synthesis 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 combing Phase synchronization technology.
Injection phase-locking need not voltage-controlled tuning, phase discriminator, loop filter, and the simple superior performance of circuit, 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 be suitable for power combing large-power lamp stable oscillation stationary vibration frequency plot synchronous, stable power output avoids the too high power imbalances of device temperature rise, 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 reference accurate.Reference signal injects 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 modulation, 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 injects the input of RC oscillator, gain is high, and small-power locks.The RC oscillator connecting resistance R altogether of two self-oscillation chips
3, electric capacity C
5synchronized oscillation, locking time is fast.
Owing to injecting the integral multiple that reference frequency is tracking lock 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 locking tens of to hundreds of kilo hertzs of LC or RC oscillators.Frequency divider IC
3binary system or decade counter frequency division.
Be added coupler T
3inductance L
5output power transformer T is recommended by two
1, T
2inductance L
2, L
4anti-phase exciting current superposition, phase difference 180 ° of low-order harmonics are cancelled out each other, and output current conversion doubles summation and delivers to lamp load, and input voltage, frequency, phase place and load are identical, the equal equalizing resistance R of electric current
9no power waste.
Lamp abnormality detection is by lamp current mutual inductance magnet ring inductance L
7induced potential, diode VD
4detection, electric capacity C
10, resistance R
10filtering is through resistance R
7, R
8dividing potential drop, triode VT
1amplify triggering two self-oscillation chip RC oscillator C
tend, the comparator voltage of chip internal is reduced to V
cCless than/6, rapid failure of oscillation turns off inverter power pipe fast, in order to avoid impaired.
Control that sun-generated electric power is under-voltage, battery tension lower than time base chip IC
5555 low level trigger end TL sample 1/3V
cCtime, time base chip set, relay J adhesive, contact J-1 connects charge in batteries, and when battery tension is sufficient, overvoltage control voltage samples 2/3V higher than high level trigger end HL
cC, time base chip reset, relay releasing contact J-1, cuts off solar cell and charges to storage battery overvoltage.Be reduced to set voltage along with light fixture DW illumination consumes electrical energy accumulator voltage, solar cell recovers charging, makes battery tension remain on illumination desirable value, and switch S controls lamp lighting.
Blocking diode VD
5unilateal conduction prevents storage battery to solar cell reverse charge, diode VD
6when reverse connection of accumulator conducting short circuit, quick blown fuse F protects storage battery.Electric capacity C
11, C
12decoupling, resistance R
15, electric capacity C
13, voltage stabilizing didoe VD
8base chip power when supplying.Diode VD
7suppress the reverse voltage of relay J adhesive, release generation, base chip IC during protection
5impaired.
Embodiment sun-generated electric power 285V, two half-bridge inverter electric current 0.62A, drive the halogen lamp tube group D of 150W
1~ Dn, efficiency 85%, inverter current low power consumption is low.Be suitable for sun-generated electric power high-power Halogen lamp LED trade dress lamp illumination.
Claims (2)
1. sun-generated electric power two half-bridge note lock power combing Halogen lamp LED group, comprise halogen lamp tube group, it is characterized in that: also comprise sun-generated electric power, benchmark crystal oscillator, frequency divider, two models are the self-oscillation chip of IR2153, half-bridge inverter A, half-bridge inverter B, be added coupler, tube circuit, wherein, benchmark crystal oscillator is by quartz-crystal resonator, two inverters and resistance, electric capacity forms, first inverter constrained input two ends cross-over connection biasing resistor, and difference earth electric capacity, simultaneously, the also quartz-crystal resonator of cross-over connection series connection trimmer, the output signal of first inverter is through second inverter shaping buffering access frequency divider, self-oscillation chip includes RC oscillator, semi-bridge inversion drive circuit, two self-oscillation chip RC oscillator connecting resistance R altogether
3, electric capacity C
5synchronized oscillation, the output of self-oscillation chip connects half-bridge inverter A, the half-bridge inverter B by two MOS field effect tube complementation compositions through semi-bridge inversion drive circuit, self-oscillation chip and half-bridge inverter A output power transformer T respectively
1with self-oscillation chip and half-bridge inverter B output power transformer T
2feed-in is added coupler, and power combing connects tube circuit coupling and lights halogen lamp tube group, and benchmark crystal oscillation signal injects two self-oscillation chip RC oscillator C through frequency divider
tend locking phase, tube circuit is by inductance L
6one termination halogen lamp tube group D
l, D
n, other end ground connection, abnormal current detects and detects mutual inductance magnet ring ground connection by Halogen lamp LED group fluorescent tube one end through lamp current, inductance L
7one terminating diode VD
4anode, inductance L
7other end ground connection, diode VD
4negative electrode shunt capacitance C
10, resistance R
10, electric capacity C
10, resistance R
10other end ground, diode VD
4negative electrode is also through resistance R
7, R
8dividing potential drop access triode VT
1amplify triggering two self-oscillation chip RC oscillator C
tend controls vibration and turns off fast, protection power tube, the power end of sun-generated electric power access benchmark crystal oscillator, frequency divider, self-oscillation chip and half-bridge inverter A and self-oscillation chip and half-bridge inverter B.
2. sun-generated electric power according to claim 1 two half-bridge note lock power combing Halogen lamp LED group, is characterized in that: sun-generated electric power is by photovoltaic battery panel E
1, blocking diode VD
5, anti-reverse diode VD
6, relay J and storage battery E
2, resistance R
15, switch S, time base chip IC
5and overvoltage sample circuit, under-voltage sample circuit composition, photovoltaic battery panel E
1output electrode anode series connection blocking diode VD
5, relay contact J-1 one end, the other end of relay contact J-1 connects storage battery E
2electrode anode, overvoltage sample resistance R
11, under-voltage sample resistance R
13, time base chip IC
5stabilized voltage power supply filter resistance R
15and be connected to the Halogen lamp LED group DW of switch S, cross pressure-controlled sample resistance R
11, RP
1, R
12successively series connection after and in storage battery E
2positive and negative electrode two ends, RP
1base chip IC during access
5high level trigger end TH, under-voltage control sample resistance R
13, RP
2, R
14storage battery E is parallel to successively after series connection
2positive and negative electrode two ends, RP
2base chip IC during access
5low level trigger end TL, time base chip IC
5export contact relay J, storage battery E
2negative terminal seal in ground connection after quick acting fuse F, storage battery E
2positive and negative electrode two ends anti-reverse diode VD in parallel
6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310159010.5A CN103327702B (en) | 2013-04-15 | 2013-04-15 | Solar energy power source double half-bridge injection locked power synthesis halogen lamp set |
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|---|---|---|---|
| CN201310159010.5A CN103327702B (en) | 2013-04-15 | 2013-04-15 | Solar energy power source double half-bridge injection locked power synthesis halogen lamp set |
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| CN103327702A CN103327702A (en) | 2013-09-25 |
| CN103327702B true CN103327702B (en) | 2015-01-28 |
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| CN201310159010.5A Expired - Fee Related CN103327702B (en) | 2013-04-15 | 2013-04-15 | Solar energy power source double half-bridge injection locked power synthesis halogen lamp set |
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Families Citing this family (1)
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| CN108207068A (en) * | 2017-12-30 | 2018-06-26 | 郑州默尔电子信息技术有限公司 | A kind of photovoltaic halogen lamp DC power-supply circuit |
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