CN201976000U - Electronic transformer with solar power supply and eight push-pull oscillators - Google Patents
Electronic transformer with solar power supply and eight push-pull oscillators Download PDFInfo
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- CN201976000U CN201976000U CN2011201106039U CN201120110603U CN201976000U CN 201976000 U CN201976000 U CN 201976000U CN 2011201106039 U CN2011201106039 U CN 2011201106039U CN 201120110603 U CN201120110603 U CN 201120110603U CN 201976000 U CN201976000 U CN 201976000U
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Abstract
The utility model relates to the technical field of electronics, in particular to an electronic transformer with a solar power supply and eight push-pull oscillators, which comprises the solar power supply and an inverter. The solar power supply comprises a solar cell array, an overvoltage detection controller, an undervoltage detection controller, a voltage adapter and a battery, the inverter comprises the eight push-pull oscillators, seven phase adding couplers, a high-power MOS (metal oxide semiconductor) field effect tube full-wave rectification circuit and an overload detection and protection circuit, and the power of the eight push-pull oscillators is combined and connected into high-power MOS field effect tube full-wave rectification to provide loads for direct-current voltages. The electronic transformer has a unique and efficient circuit and can be widely applied in lighting of high-power light-emitting diode (LED) array lamps, landscaping, advertising or driving other direct-current electrical appliances in vehicles, trains, ships and other places with no alternating-current mains power or no convenient access to power.
Description
Technical field
The utility model relates to electronic technology field, specifically is a kind of sun-generated electric power eight 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 eight push-pull oscillator electronic transformers of high power 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 eight pusb pull oscilators, seven addition couplers, high-power MOS field effect transistor full-wave rectifying circuit and overload detection protective circuit are formed, seven addition couplers are divided into the first addition coupler, the second addition coupler, third phase adds coupler, the 4th addition coupler, the 5th addition coupler, the 6th addition coupler, the 7th addition coupler, eight pusb pull oscilators are divided into pusb pull oscilator 5a, pusb pull oscilator 5b, pusb pull oscilator 5c, pusb pull oscilator 5d and pusb pull oscilator 5e, pusb pull oscilator 5f, pusb pull oscilator 5g, pusb pull oscilator 5h, respectively by eight ferrimagnetism transformer T1, T2, T3, T4 and T5, T6, T7, T8 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 is to pipe base resistance quiescent biasing and electric capacity positive feedback are constituted pusb pull oscilator, 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 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 by ferrimagnetism transformer T3, the anti-phase access second addition coupler primary inductance single order power of T4 secondary inductance is synthetic, pusb pull oscilator 5e and pusb pull oscilator 5f power output are by ferrimagnetism transformer T5, it is synthetic that the anti-phase access third phase of T6 secondary inductance adds coupler primary inductance single order power, pusb pull oscilator 5g and pusb pull oscilator 5h power output are by ferrimagnetism transformer T7, anti-phase access the 4th addition coupler primary inductance single order power of T8 secondary inductance is synthetic, anti-phase access the 5th addition coupler primary inductance second order power of the first addition coupler and the second addition coupler secondary inductance is synthetic, third phase adds coupler and anti-phase access the 6th addition coupler primary inductance second order power of the 4th addition coupler secondary inductance is synthetic, anti-phase access the 7th addition coupler primary inductance of the 5th addition coupler and the 6th addition coupler secondary inductance three rank power are synthetic, secondary inductance inserts high-power MOS field effect transistor full-wave rectifying circuit output dc voltage for load, the overload detection protective circuit penetrates magnet ring by high-power MOS field effect transistor full-wave rectifying circuit load current bus, magnetic ring coil induced potential diode detection 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 of the 7th addition coupler secondary inductance respectively, the 7th addition 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 is by the two ends of switching diode parallel resistance intersection access the 7th addition coupler secondary inductance, 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: the synthetic high light efficiency of high-power lamp load that obtains of eight pusb pull oscilator three rank power of sun-generated electric power power supply, 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 eight push away the output of hunting power synthesizing efficient.Not only efficient, even-order harmonic is cancelled out each other, and reduces the inverter power device power consumption, the full-wave rectification of high-power MOS field effect transistor is without electrochemical capacitor, the internal resistance low-response is fast, is widely used in the occasion CD-CD conversion, driving LED light-emitting diode battle array or other dc electric apparatus that do not have electric main or power supply inconvenience.
Description of drawings
Fig. 1 technical solutions of the utility model functional-block diagram.
Fig. 2 pusb pull oscilator circuit.
Fig. 3 eight pushes away the synthetic and overload detection protective circuit 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 eight pusb pull oscilators 5; seven addition couplers 4; high-power MOS field effect transistor full-wave rectifying circuit 3 and overload detection protective circuit 2 are formed; seven addition couplers 4 are divided into the first addition coupler 4a; the second addition coupler 4b; third phase adds coupler 4c; the 4th addition coupler 4d; the 5th addition coupler 4e; the 6th addition coupler 4f; the 7th addition coupler 4g; eight pusb pull oscilators 5 are divided into pusb pull oscilator 5a; pusb pull oscilator 5b; pusb pull oscilator 5c; pusb pull oscilator 5d and pusb pull oscilator 5e; pusb pull oscilator 5f; pusb pull oscilator 5g; pusb pull oscilator 5h; respectively by eight ferrimagnetism transformer T1; T2; T3; T4 and T5; T6; T7; T8 primary inductance L1 shunt capacitance C3 is a resonant tank; primary inductance L1 centre cap inserts sun-generated electric power 1 through 2 high frequency choke inductance L 2 and shunt capacitance C4; 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 arrives pipe base resistance R1; R2 quiescent biasing and capacitor C 1; the C2 positive feedback constitutes pusb pull oscilator; two high-power oscillating tube Q1; the Q2 base stage also meets control signal mouthpiece Q3; the Q4 collector electrode; 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 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 by ferrimagnetism transformer T3; the anti-phase access second addition coupler 4b primary inductance single order power of T4 secondary inductance is synthetic; pusb pull oscilator 5e and pusb pull oscilator 5f power output are by ferrimagnetism transformer T5; it is synthetic that the anti-phase access third phase of T6 secondary inductance adds coupler 4c primary inductance single order power; pusb pull oscilator 5g and pusb pull oscilator 5h power output are by ferrimagnetism transformer T7; anti-phase access the 4th addition coupler 4d primary inductance single order power of T8 secondary inductance is synthetic; anti-phase access the 5th addition coupler 4e primary inductance second order power of the first addition coupler 4a and the second addition coupler 4b secondary inductance is synthetic; third phase adds coupler 4c and anti-phase access the 6th addition coupler 4f primary inductance second order power of the 4th addition coupler 4d secondary inductance is synthetic; anti-phase access the 7th addition coupler 4g primary inductance of the 5th addition coupler 4e and the 6th addition coupler 4f secondary inductance three rank power are synthetic, and secondary inductance inserts high-power MOS field effect transistor full-wave rectifying circuit 3 output dc voltage supply loads.
Overload detection protective circuit 2 penetrates magnet ring by high-power MOS field effect transistor full-wave rectifying circuit 3 load current buses; load current is through magnetic ring coil L3 induced potential diode VD3 detection; detect voltage and control oscillating tube Q1, Q through filter capacitor C5 resistance R 18 and current-limiting resistance R8, R9 access interface pipe Q3, Q4; when load short circuits or loose contact produce big electric current; overload detection voltage makes Q3, Q4 saturation conduction; Q1, Q2 play protection by failure of oscillation.Diode VD1, VD2 prevent that high back-pressure from puncturing oscillating tube.
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, opposite three rank of collector current phase place and high-order odd harmonic are zero, not only efficient, and have even-order harmonic and cancel out each other, reduce inverter power device heat power consumption, for this reason, lowlyer be suppressed at resonant inductance centre cap feedback and connect power supply and seal in high frequency choke inductance and shunt capacitance, be output as pure sine wave.
General large power triode constitutes the load about push-pull oscillator power output coupling 30W, when requiring more heavy load power, when for example mating the 200W load, only several the direct parallel operations of device can not be satisfactory, adopt eight push-pull oscillator power synthetic effects remarkable, its power output stack can be satisfied specification requirement.It is synthetic to push away the mutual anti-phase exciting power of vibration power output with eight respectively by seven addition couplers.When balance resistance R11, R12, R13, R14, R15 and R16, R17 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 of the 7th addition coupler 4g secondary inductance respectively, inductance centre cap ground connection, grid inserts the two ends of addition coupler 6g secondary inductance through switching diode VD4, VD5 parallel resistance R20, R22 intersection, and constitute gate bias with resistance R 19, R21, 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 eight push away vibration and the primary and secondary inductance ratio of addition coupler and supply voltage, electric current is determined.Be suitable for driving large-power light-emitting diodes led array lamp and drive other dc electric apparatus.
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 23, R24, R25 and R28, R29, R30 and potentiometer RP1, RP2 dividing potential drop insert operational amplifier homophase and inverting input respectively.Adjust operational amplifier voltage negative feedback resistance R26, R31 and potentiometer RP1, RP2 and reach the handoff threshold value.Resistance R 27, R32 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 eight and pushes away oscillator 5 power ends.
Embodiment sun-generated electric power voltage 30V, eight push-pull oscillator operating current 8A, frequency of oscillation 65KHZ, output voltage 12V, electric current 16A, coupling 200W LED array lamp, inversion efficiency 82%, the temperature rise of oscillating tube radiator is lower than 30 ℃.
Claims (3)
1. sun-generated electric power eight 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 eight pusb pull oscilators; seven addition couplers; high-power MOS field effect transistor full-wave rectifying circuit and overload detection protective circuit are formed; seven addition couplers are divided into the first addition coupler; the second addition coupler; third phase adds coupler; the 4th addition coupler; the 5th addition coupler; the 6th addition coupler; the 7th addition coupler; eight pusb pull oscilators are divided into pusb pull oscilator (5a); pusb pull oscilator (5b); pusb pull oscilator (5c); pusb pull oscilator (5d) and pusb pull oscilator (5e); pusb pull oscilator (5f); pusb pull oscilator (5g); pusb pull oscilator (5h); respectively by eight ferrimagnetism transformers (T1); (T2); (T3); (T4) and (T5); (T6); (T7); (T8) 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 is to pipe base resistance quiescent biasing and electric capacity positive feedback are constituted pusb pull oscilator; 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 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 by ferrimagnetism transformer (T3); (T4) the anti-phase access second addition coupler primary inductance single order power of secondary inductance is synthetic; pusb pull oscilator (5e) and pusb pull oscilator (5f) power output are by ferrimagnetism transformer (T5); (T6) it is synthetic that the anti-phase access third phase of secondary inductance adds coupler primary inductance single order power; pusb pull oscilator (5g) and pusb pull oscilator (5h) power output are by ferrimagnetism transformer (T7); (T8) anti-phase access the 4th addition coupler primary inductance single order power of secondary inductance is synthetic; anti-phase access the 5th addition coupler primary inductance second order power of the first addition coupler and the second addition coupler secondary inductance is synthetic; third phase adds coupler and anti-phase access the 6th addition coupler primary inductance second order power of the 4th addition coupler secondary inductance is synthetic; anti-phase access the 7th addition coupler primary inductance of the 5th addition coupler and the 6th addition coupler secondary inductance three rank power are synthetic; secondary inductance inserts high-power MOS field effect transistor full-wave rectifying circuit output dc voltage for load; the overload detection protective circuit penetrates magnet ring by high-power MOS field effect transistor full-wave rectifying circuit load current bus, magnetic ring coil induced potential diode detection access interface management and control system oscillating tube.
2. sun-generated electric power eight 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 of the 7th addition coupler secondary inductance respectively, the 7th addition 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 is by the two ends of switching diode parallel resistance intersection access the 7th addition coupler secondary inductance, and two pipe drain electrodes also are connected into the full-wave rectification output dc voltage for load.
3. sun-generated electric power eight 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201106039U CN201976000U (en) | 2011-04-03 | 2011-04-03 | Electronic transformer with solar power supply and eight push-pull oscillators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201106039U CN201976000U (en) | 2011-04-03 | 2011-04-03 | Electronic transformer with solar power supply and eight push-pull oscillators |
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| Publication Number | Publication Date |
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| CN201976000U true CN201976000U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201106039U Expired - Fee Related CN201976000U (en) | 2011-04-03 | 2011-04-03 | Electronic transformer with solar power supply and eight push-pull oscillators |
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| CN (1) | CN201976000U (en) |
Cited By (1)
| 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 |
-
2011
- 2011-04-03 CN CN2011201106039U patent/CN201976000U/en not_active Expired - Fee Related
Cited By (2)
| 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 |
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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 |