CN201975998U - Solar power supply four-push-pull oscillator electronic transformer - Google Patents
Solar power supply four-push-pull oscillator electronic transformer Download PDFInfo
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- CN201975998U CN201975998U CN2011201105106U CN201120110510U CN201975998U CN 201975998 U CN201975998 U CN 201975998U CN 2011201105106 U CN2011201105106 U CN 2011201105106U CN 201120110510 U CN201120110510 U CN 201120110510U CN 201975998 U CN201975998 U CN 201975998U
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Abstract
The utility model relates to the technical field of electronics, in particular to a solar power supply four-push-pull oscillator electronic transformer which comprises a solar power supply and an inverter, wherein the solar power supply comprises a solar battery array, an overvoltage detecting controller, an undervoltage detecting controller, a voltage adapter and a storage battery; and the inverter comprises four push-pull oscillators, three addition couplers, a high-power MOS (Metal Oxide Semiconductor) field effect full-wave rectification circuit and an overload detecting protection circuit, and four push-pull oscillation powers are combined and joint into the high-power MOS field effect full-wave rectification circuit so as to supply load to direct-current voltages. The solar power supply four-push-pull oscillator electronic transformer has unique circuit and high efficiency and is widely used for supplying power to high-power LED array lamps, landscapes and advertisements or driving other direct-current electric appliances in occasions without alternating-current mains supply or convenient power supply, such as automobiles, trains and boats.
Description
Technical field
The utility model relates to electronic technology field, specifically is a kind of sun-generated electric power four push-pull oscillator electronic transformers.
Background technology
Can supply or the open-air inconvenient occasion of leisure power supply of encamping at automobile, train and not have electric main of ship, adopting sun-generated electric power LED light emitting diode matrix lamp can produce bright light penetrates, the photoelectric conversion efficiency height, light is soft pleasant, easy to use, long service life is widely used in view and advertisement.Yet, it is big to drive large-power light-emitting diodes led array lamp inverter current, require vibration output high-power, electric current just must increase when operating voltage was low, and therefore, big current oscillation triode power consumption temperature rise causes that the pipe electric current and voltage changes, heavy current warming also makes coil magnetic permeability decline inductance value reduce simultaneously, serious generation saturation inductors becomes very little, and then influences light tube electric voltage and electric current change, lamp luminescence brightness instability.Very easily burn out device.
Summary of the invention
The purpose of this utility model provides the sun-generated electric power power supply, drags a kind of sun-generated electric power four push-pull oscillator electronic transformers of high-power lamp load.
The utility model technical solution is: comprise by solar battery array, overvoltage detects controller, under-voltage detection controller, the voltage adapter, sun-generated electric power and inverter that storage battery is formed, comprise that also inverter is by four pusb pull oscilators, three addition couplers, high-power MOS field effect transistor full-wave rectifying circuit and overload detection protective circuit are formed, three addition couplers are divided into the first addition coupler, the second addition coupler and third phase add coupler, four pusb pull oscilators are divided into pusb pull oscilator 5a, pusb pull oscilator 5b and pusb pull oscilator 5c, pusb pull oscilator 5d, respectively by ferrimagnetism transformer T1, T2 and T3, T4 primary inductance shunt capacitance is a resonant tank, the primary inductance centre cap inserts sun-generated electric power through high frequency choke inductance and shunt capacitance, the resonant tank two ends respectively and connect two high-power oscillating tube collector electrodes, emitter series resistance ground connection, resonant tank two ends cross-couplings also in parallel constitutes pusb pull oscilator to managing base resistance quiescent biasing and electric capacity positive feedback, two high-power oscillating tube base stages also connect control signal mouthpiece collector electrode, the mouthpiece base stage, collector electrode connects voltage negative feedback biasing resistor, grounded emitter, pusb pull oscilator 5a and pusb pull oscilator 5b power output are respectively by ferrimagnetism transformer T1, the anti-phase access first addition coupler primary inductance single order power of T2 secondary inductance is synthetic, pusb pull oscilator 5c and pusb pull oscilator 5d power output are respectively by ferrimagnetism transformer T3, the anti-phase access second addition coupler primary inductance single order power of T4 secondary inductance is synthetic, it is synthetic that the first addition coupler and the anti-phase access third phase of the second addition coupler secondary inductance add coupler primary inductance second order power, third phase adds the coupler secondary inductance and boosts and insert high-power MOS field effect transistor full-wave rectifying circuit, be output as direct voltage for load, the overload detection protective circuit is worn magnet ring by full-wave rectifying circuit output current bus, and the magnetic ring coil induced potential is through diode detection voltage access interface management and control system oscillating tube;
Wherein, high-power MOS field effect transistor full-wave rectifying circuit is made of two high-power MOS field effect transistor, switching diode and resistance, two high-power MOS field effect transistor source electrodes connect the two ends that third phase adds the coupler secondary inductance respectively, third phase adds coupler secondary inductance centre cap ground connection, two high-power MOS field effect transistor gate bias resistance are connected on grid, leak two ends, grid inserts the two ends that third phase adds the coupler secondary inductance by switching diode parallel resistance intersection, and two pipe drain electrodes also are connected into the full-wave rectification output dc voltage for load;
Overvoltage detects controller and connects the voltage stabilizing didoe reference voltage by operational amplifier A 1 in-phase input end, inverting input connects battery tension, operational amplifier A 1 output is amplified through the triode electric current and is succeeded electric apparatus coil, and normally-closed contact switches the solar battery array pressure-controlled of charging; Under-voltage detection controller connects the voltage stabilizing didoe reference voltage by operational amplifier A 2 inverting inputs, in-phase input end connects battery tension, operational amplifier A 2 output is amplified through the triode electric current and is succeeded electric apparatus coil, and normally opened contact switches the solar battery array under-voltage control of discharging.
The utility model produces useful good effect: it is synthetic that sun-generated electric power power supply four pushes away oscillator second order power, obtain high stable high power load ability, the directly continuous LC frequency-selecting dual-stage amplifier of capacitance-resistance cross-couplings push-pull oscillator output input, it is very strong to vibrate, and four push away the output of hunting power synthesizing efficient.Not only efficient, even-order harmonic is cancelled out each other, and is widely used in the occasion DC-DC conversion that does not have electric main or power supply inconvenience, and the full-wave rectification of high-power MOS field effect transistor is without electrochemical capacitor filtering, the internal resistance low-response is fast, is suitable for driving LEC light emitting diode matrix lamp or other electrical equipment.
Description of drawings
Fig. 1 technical solutions of the utility model functional-block diagram.
Fig. 2 pusb pull oscilator circuit.
Fig. 3 four pushes away the synthetic and overload detection protective circuit of hunting power.
Fig. 4 high-power MOS field effect transistor full-wave rectifying circuit.
Overvoltage of Fig. 5 sun-generated electric power and under-voltage detection controller circuitry.
Embodiment
With reference to Fig. 1; 2; 3 and Fig. 5 (Fig. 2 is an example with pusb pull oscilator 5a circuit; all the other pusb pull oscilator circuit are all identical); the utility model specific implementation method and embodiment: comprise by solar battery array 1a; overvoltage detects controller 1b; under-voltage detection controller 1c; voltage adapter 1d; sun-generated electric power 1 and inverter that storage battery E forms; comprise that also inverter is by four pusb pull oscilators 5; three addition couplers 4; high-power MOS field effect transistor full-wave rectifying circuit 3 and overload detection protective circuit 2 are formed; three addition couplers 4 are divided into the first addition coupler 4a; the second addition coupler 4b and third phase add coupler 4c; four pusb pull oscilators 5 are divided into pusb pull oscilator 5a; pusb pull oscilator 5b and pusb pull oscilator 5c; pusb pull oscilator 5d; respectively by ferrimagnetism transformer T1; T2 and T3; T4 primary inductance L1 shunt capacitance C3 is a resonant tank; primary inductance L1 centre cap is through high frequency choke inductance L 2; shunt capacitance C4 inserts sun-generated electric power 1; the resonant tank two ends respectively and meet two high-power oscillating tube Q1; the Q2 collector electrode; emitter series resistance R3; R6 ground connection; resonant tank two ends cross-couplings also in parallel is to managing base resistance R1; R2 quiescent biasing and capacitor C 1; the C2 positive feedback constitutes pusb pull oscilator; Q1; the Q2 base stage also meets control signal mouthpiece Q3; the Q4 collector electrode; mouthpiece Q3; the Q4 base stage; collector electrode meets voltage negative feedback biasing resistor R4; R5; grounded emitter; pusb pull oscilator 5a and pusb pull oscilator 5b power output are respectively by ferrimagnetism transformer T1; the anti-phase access first addition coupler 4a primary inductance single order power of T2 secondary inductance is synthetic; pusb pull oscilator 5c and pusb pull oscilator 5d power output are respectively by ferrimagnetism transformer T3; the anti-phase access second addition coupler 4b primary inductance single order power of T4 secondary inductance is synthetic; it is synthetic that the first addition coupler 4a and the anti-phase access third phase of the second addition coupler 4b secondary inductance add coupler 4c primary inductance second order power, and third phase adds coupler 4c secondary inductance and inserts high-power MOS field effect transistor full-wave rectifying circuit 3 output dc voltage supply loads.
Overload detection protective circuit 2 is worn magnet ring by high-power MOS field effect transistor full-wave rectifying circuit output current bus, and magnetic ring coil L3 induced potential is through diode VD3 detection control oscillating tube.Detect voltage through filter capacitor C5, resistance R 9 and current-limiting resistance R7, R8 access interface pipe Q3, Q4 control oscillating tube Q1, Q2.When load short circuits or loose contact produce big electric current, overload detection voltage makes Q3, Q4 saturation conduction, and oscillating tube Q1, Q2 play a protective role by failure of oscillation.Diode VD1, VD2 protection oscillating tube is avoided high back-pressure and is punctured.
Capacitance-resistance cross-couplings pusb pull oscilator is actual to be to export the LC frequency-selecting dual-stage amplifier of directly linking input, it is very strong to vibrate, two high-power oscillating tube Q1, Q2 be in turn saturated with end, with zero quiescent current half period conducting, the above odd harmonic in opposite three rank of collector current phase place is zero, not only efficient, and have even-order harmonic and cancel out each other, reduce inverter power device heat power consumption, for this reason, the lower resonant inductance centre cap feedback that is suppressed at connects power supply access high frequency choke inductance and shunt capacitance, and load is output as pure sine wave.
General large power triode constitutes the push-pull oscillator power output, fluorescent tube about generally can only mesh power 30W, when requiring bigger power output, when for example mating the 120W lamp load, only several the direct parallel operations of device can not be satisfactory, adopt four push-pull oscillator power synthetic effects obvious, the power output stack can be satisfied specification requirement, it is synthetic to push away vibration power output mutual anti-phase exciting power with four respectively by two addition couplers, and again the conversion of two addition coupler output currents being doubled summation, to deliver to the 3rd addition coupler power synthetic.When three balance resistance R10, R11 and R12 equate at two synthetic electric currents of power, no power waste.
Fig. 4, high-power MOS field effect transistor full-wave rectifying circuit, by two high-power MOS field effect transistor Q5, Q6 full-wave rectification, source electrode inserts the two ends that third phase adds the coupler secondary inductance respectively, third phase adds coupler secondary inductance centre cap ground connection, grid inserts the two ends that third phase adds the coupler secondary inductance through switching diode VD4, VD5 parallel resistance R14, R16 intersection, and constitute gate bias with resistance R 13, R15, drain electrode also is connected into full-wave rectification output dc voltage supply load RL, rectification circuit is without electrochemical capacitor filtering, and the internal resistance low-response is fast.This electronic transformer output dc voltage, power by four push away oscillator and the primary and secondary inductance ratio of addition coupler and supply voltage, electric current is determined.
Fig. 5; overvoltage detects controller 1b when storage battery E voltage is higher than voltage stabilizing didoe VD8 reference voltage; A1 is output as low level; triode Q7 drives relay J 1 and discharges J1-1 normally-closed contact cut-out charge circuit; protection storage battery E overvoltage charging, storage battery E voltage are when being reduced to the VD8 reference voltage under the illumination power consumption, and the anti-phase input current potential of A1 is lower than the homophase reference voltage; be output as high level, relay J 1 adhesive J1-1 normally-closed contact is connected charge circuit.Under-voltage detection controller 1c is when storage battery E voltage is lower than voltage stabilizing didoe VD10 reference voltage; A2 is output as low level; triode Q8 drives relay J 2 and discharges J2-1 normally opened contact cut-out discharge loop; the under-voltage discharge of protection storage battery E; when storage battery E is higher than the VD10 reference voltage along with charging voltage rises; A2 homophase input current potential is higher than anti-phase reference voltage, is output as high level, and relay J 2 adhesive J2-1 normally opened contacts are connected discharge loop.Resistance R 17, R18, R19 and R22, R23, R24 and potentiometer RP1, RP2 dividing potential drop insert operational amplifier homophase and inverting input respectively.Adjust operational amplifier voltage negative feedback resistance R20, R25 and potentiometer RP1, RP2 and reach the handoff threshold value.Resistance R 21, R26 play metering function.
Diode VD6 prevents reverse charge, and storage battery E discharges to solar battery array 1a when utilizing unilateal conduction to avoid solar battery array 1a night or rainy day not to generate electricity or when short circuit occurring.The pond reversal connection of diode VD7 electricity storage preventing when storage battery E polarity connects the inverse time conducting, produces big electric current with fuse F1 quick fuse, plays protective action.Diode VD9, VD11 absorb relay J 1, J2 coil reverse potential, and protection punctures triode Q7, Q8.Voltage adapter 1d connects four and pushes away oscillator 5 power ends.
Embodiment sun-generated electric power voltage 30V, four push away oscillator operating current 5A, frequency of oscillation 47KHZ, high-power MOS field effect transistor full-wave rectifying circuit output dc voltage 12V, electric current 10A, inversion efficiency 83%, the temperature rise of oscillating tube radiator is being lower than 40 ℃.Be suitable for driving the illumination of large-power light-emitting diodes led array lamp, view and advertisement and drive other dc electric apparatus.
Claims (3)
1. sun-generated electric power four push-pull oscillator electronic transformers; comprise by solar battery array; overvoltage detects controller; under-voltage detection controller; the voltage adapter; sun-generated electric power and inverter that storage battery is formed; it is characterized in that: comprise that also inverter is by four pusb pull oscilators; three addition couplers; high-power MOS field effect transistor full-wave rectifying circuit and overload detection protective circuit are formed; three addition couplers are divided into the first addition coupler; the second addition coupler and third phase add coupler; four pusb pull oscilators are divided into pusb pull oscilator (5a); pusb pull oscilator (5b) and pusb pull oscilator (5c); pusb pull oscilator (5d); respectively by ferrimagnetism transformer (T1); (T2) and (T3); (T4) the primary inductance shunt capacitance is a resonant tank; the primary inductance centre cap inserts sun-generated electric power through high frequency choke inductance and shunt capacitance; the resonant tank two ends respectively and connect two high-power oscillating tube collector electrodes; emitter series resistance ground connection; resonant tank two ends cross-couplings also in parallel constitutes pusb pull oscilator to managing base resistance quiescent biasing and electric capacity positive feedback; two high-power oscillating tube base stages also connect control signal mouthpiece collector electrode; the mouthpiece base stage; collector electrode connects voltage negative feedback biasing resistor; grounded emitter; pusb pull oscilator (5a) and pusb pull oscilator (5b) power output are respectively by ferrimagnetism transformer (T1); (T2) the anti-phase access first addition coupler primary inductance single order power of secondary inductance is synthetic; pusb pull oscilator (5c) and pusb pull oscilator (5d) power output are respectively by ferrimagnetism transformer (T3); (T4) the anti-phase access second addition coupler primary inductance single order power of secondary inductance is synthetic; it is synthetic that the first addition coupler and the anti-phase access third phase of the second addition coupler secondary inductance add coupler primary inductance second order power; the coupler secondary inductance that adds third phase inserts high-power MOS field effect transistor full-wave rectifying circuit output dc voltage supply load; the overload detection protective circuit is worn magnet ring by full-wave rectifying circuit output current bus, and the magnetic ring coil induced potential is through diode detection voltage access interface management and control system oscillating tube.
2. sun-generated electric power four push-pull oscillator electronic transformers according to claim 1, it is characterized in that: high-power MOS field effect transistor full-wave rectifying circuit is by two high-power MOS field effect transistor, switching diode and resistance constitute, two high-power MOS field effect transistor source electrodes connect the two ends that third phase adds the coupler secondary inductance respectively, third phase adds coupler secondary inductance centre cap ground connection, two high-power MOS field effect transistor gate bias resistance are connected on grid, leak two ends, grid inserts the two ends that third phase adds the coupler secondary inductance by switching diode parallel resistance intersection, and two pipe drain electrodes also are connected into the full-wave rectification output dc voltage for load.
3. sun-generated electric power four push-pull oscillator electronic transformers according to claim 1, it is characterized in that: overvoltage detects controller and connects the voltage stabilizing didoe reference voltage by operational amplifier A 1 in-phase input end, inverting input connects battery tension, operational amplifier A 1 output is amplified through the triode electric current and is succeeded electric apparatus coil, and normally-closed contact switches the solar battery array pressure-controlled of charging; Under-voltage detection controller connects the voltage stabilizing didoe reference voltage by operational amplifier A 2 inverting inputs, in-phase input end connects battery tension, operational amplifier A 2 output is amplified through the triode electric current and is succeeded electric apparatus coil, and normally opened contact switches the solar battery array under-voltage control of discharging.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201105106U CN201975998U (en) | 2011-04-03 | 2011-04-03 | Solar power supply four-push-pull oscillator electronic transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201105106U CN201975998U (en) | 2011-04-03 | 2011-04-03 | Solar power supply four-push-pull oscillator electronic transformer |
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| CN201975998U true CN201975998U (en) | 2011-09-14 |
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| CN2011201105106U Expired - Fee Related CN201975998U (en) | 2011-04-03 | 2011-04-03 | Solar power supply four-push-pull oscillator electronic transformer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103327684A (en) * | 2013-04-15 | 2013-09-25 | 阮小青 | Solar energy power source double-pushing injection locking LED array lamp |
| CN109245330A (en) * | 2018-10-16 | 2019-01-18 | 西安科技大学 | A kind of push-pull type ICPT self-excitation starting of oscillation control circuit and its design method |
| CN109557602A (en) * | 2018-12-29 | 2019-04-02 | 河南鑫安利安全科技股份有限公司 | Portable meteorological measuring set control system |
-
2011
- 2011-04-03 CN CN2011201105106U patent/CN201975998U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103327684A (en) * | 2013-04-15 | 2013-09-25 | 阮小青 | Solar energy power source double-pushing injection locking LED array lamp |
| CN103327684B (en) * | 2013-04-15 | 2015-06-24 | 阮小青 | Solar energy power source double-pushing injection locking LED array lamp |
| CN109245330A (en) * | 2018-10-16 | 2019-01-18 | 西安科技大学 | A kind of push-pull type ICPT self-excitation starting of oscillation control circuit and its design method |
| CN109557602A (en) * | 2018-12-29 | 2019-04-02 | 河南鑫安利安全科技股份有限公司 | Portable meteorological measuring set control system |
| CN109557602B (en) * | 2018-12-29 | 2020-12-15 | 周意 | Portable meteorological measuring instrument control system |
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| Date | Code | Title | Description |
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| 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: 20110914 Termination date: 20130403 |