CN201976007U - Solar power supply double-push-pull oscillator electronic transformer - Google Patents
Solar power supply double-push-pull oscillator electronic transformer Download PDFInfo
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- CN201976007U CN201976007U CN2011201110566U CN201120111056U CN201976007U CN 201976007 U CN201976007 U CN 201976007U CN 2011201110566 U CN2011201110566 U CN 2011201110566U CN 201120111056 U CN201120111056 U CN 201120111056U CN 201976007 U CN201976007 U CN 201976007U
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Abstract
The utility model relates to the technical field of electronics, in particular to a solar power supply double-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 double push-pull oscillators, addition couplers, a high-power MOS (Metal Oxide Semiconductor) field effect full-wave rectification circuit and an overload detecting protection circuit, and double 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 double-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 double push-pull oscillating electron transformer.
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 double push-pull oscillating electron transformer 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 two pusb pull oscilators, the addition coupler, high-power MOS field effect transistor full-wave rectifying circuit and overload detection protective circuit are formed, two pusb pull oscilators are divided into pusb pull oscilator 5a, pusb pull oscilator 5b, pusb pull oscilator 5a and pusb pull oscilator 5b are respectively by ferrimagnetism transformer T1, T2 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 pipe base resistance quiescent biasing and electric capacity positive feedback, two high-power oscillating tube base stages also connect signal controlling 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 synthetic by ferrimagnetism transformer T1 and the anti-phase access addition of T2 secondary inductance coupler primary inductance power respectively, addition coupler secondary inductance inserts high-power MOS field effect transistor full-wave rectifying circuit output dc voltage for load, the overload detection protective circuit is by wearing magnet ring on the full-wave rectifying circuit output current bus, and the magnetic ring coil induced potential is controlled oscillating tube through diode detection;
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 addition coupler secondary inductance respectively, 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 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 power load ability of obtaining of sun-generated electric power power supply double push-pull hunting power, 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 two to push away the synthetic effect of power very high.Not only efficient, even-order harmonic is cancelled out each other, and reduces power consumption, the pure low noise of frequency spectrum, and the full-wave rectification of high-power MOS field effect transistor is without electrochemical capacitor filtering, and internal resistance is low, and response is fast.Extensively be suitable for not having the occasion DC-DC conversion of electric main or power supply inconvenience, especially be fit to driving LED light emitting diode matrix lamp, view and advertisement.
Description of drawings
Fig. 1 technical solutions of the utility model functional-block diagram.
Synthetic and the overload detection protective circuit of Fig. 2 double push-pull oscillator power.
Fig. 3 high-power MOS field effect transistor full-wave rectifying circuit.
Overvoltage of Fig. 4 sun-generated electric power and under-voltage detection controller circuitry.
Embodiment
With reference to Fig. 1; 2 and Fig. 3; 4 (Fig. 2 is an example with pusb pull oscilator 5a circuit; pusb pull oscilator 5b circuit is 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 two pusb pull oscilators 5; addition coupler 4; high-power MOS field effect transistor full-wave rectifying circuit 3 and overload detection protective circuit 2 are formed; two pusb pull oscilators 5 are divided into pusb pull oscilator 5a; pusb pull oscilator 5b; pusb pull oscilator 5a and pusb pull oscilator 5b are respectively by ferrimagnetism transformer T1; T2 primary inductance L0 shunt capacitance C4 is a resonant tank; primary inductance L0 centre cap inserts sun-generated electric power 1 through high frequency choke inductance L 5 shunt capacitance C5; 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 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; 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 synthetic by ferrimagnetism transformer T1 and the anti-phase access addition of T2 secondary inductance L1 coupler 4 primary inductance L2 power respectively, and addition coupler 4 secondary inductance L3 insert high-power MOS field effect transistor full-wave rectifying circuit 3 output dc voltage supply load RL.
Overload detection protective circuit 2 is by penetrating magnet ring on the full-wave rectifying circuit 3 output current buses, and magnetic ring coil L4 induced potential is through diode VD3 detection control oscillating tube Q1, Q2.
The VD3 detecting circuit is through capacitor C 3 filtering; resistance R 9 and resistance R 7, R8 current limliting access interface pipe Q3, Q4 control oscillating tube Q1, Q2 when load short circuits or loose contact produce big electric current, detect voltage and make Q3, Q4 saturation conduction; oscillating tube Q1, Q2 shield 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, 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, lowlyer be suppressed at resonant inductance centre cap feedback and meet power series high frequency choke inductance L 5 and shunt capacitance C5, suppress the even-order harmonic power consumption, be output as pure sine wave.
General large power triode constitutes the push-pull oscillator power output, load about generally can only mesh power 30W, when requiring more high-power output coupling, for example during the 60W load, only several the direct parallel operations of device can not be satisfactory, and the synthetic stack of double push-pull hunting power power output effect is obvious, will twoly push away the mutual anti-phase excitation of vibration power output by the addition coupler, two output current conversion double summation and deliver to load, balance resistance R10 no power waste when two electric currents equate.
Fig. 3, high-power MOS field effect transistor full-wave rectifying circuit, two high-power MOS field effect transistor Q5, the Q6 source electrode inserts addition coupler 4 secondary inductance L3 two ends respectively, secondary inductance L3 centre cap ground connection, grid is through switching diode VD4, VD5 parallel resistance R12, the R14 intersection inserts the two ends of addition coupler secondary inductance, and with resistance R 11, R13 provides gate bias, switching diode VD4, VD5 makes grid quicken upset, draining and being connected into full-wave rectification is direct voltage output supply load RL, this electronic transformer output voltage, power by double push-pull oscillator and addition coupler 4 at the beginning of, secondary inductance ratio and supply voltage, electric current is determined.Rectification circuit is without electrochemical capacitor filtering, and internal resistance is low, and response is fast.Be suitable for driving large-power light-emitting diodes led array lamp or other dc electric apparatus.
Fig. 4; 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 15, R16, R17 and R20, R21, R22 and potentiometer RP1, RP2 dividing potential drop insert operational amplifier homophase and inverting input respectively.Adjust operational amplifier voltage negative feedback resistance R18, R23 and potentiometer RP1, RP2 and reach the handoff threshold value.Resistance R 19, R24 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 two oscillator 5 power ends that push away.
Present embodiment sun-generated electric power voltage 30V, two oscillator operating current 2.6A that push away, frequency of oscillation 47KHZ, high-power MOS field effect transistor full-wave rectifying circuit output dc voltage 12V, electric current 5.4A, mate two 32W LED array lamps, efficient 83%, the oscillating tube radiator temperature is limited in and is lower than 40 ℃.
Claims (3)
1. sun-generated electric power double push-pull oscillating electron transformer; 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 two pusb pull oscilators; the addition coupler; high-power MOS field effect transistor full-wave rectifying circuit and overload detection protective circuit are formed; two pusb pull oscilators are divided into pusb pull oscilator (5a); pusb pull oscilator (5b); pusb pull oscilator (5a) and pusb pull oscilator (5b) are respectively by ferrimagnetism transformer (T1); (T2) 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 pipe 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; the anti-phase access addition of secondary inductance coupler primary inductance power is synthetic by ferrimagnetism transformer (T1) with (T2) respectively with pusb pull oscilator (5b) power output for pusb pull oscilator (5a); addition coupler secondary inductance inserts high-power MOS field effect transistor full-wave rectifying circuit output dc voltage for load; the overload detection protective circuit is by wearing magnet ring on the full-wave rectifying circuit output current bus, and the magnetic ring coil induced potential is controlled oscillating tube through diode detection.
2. sun-generated electric power double push-pull oscillating electron transformer 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 addition coupler secondary inductance respectively, 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 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 double push-pull oscillating electron transformer 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 |
|---|---|---|---|
| CN2011201110566U CN201976007U (en) | 2011-04-03 | 2011-04-03 | Solar power supply double-push-pull oscillator electronic transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201110566U CN201976007U (en) | 2011-04-03 | 2011-04-03 | Solar power supply double-push-pull oscillator electronic transformer |
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| CN201976007U true CN201976007U (en) | 2011-09-14 |
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| CN2011201110566U Expired - Fee Related CN201976007U (en) | 2011-04-03 | 2011-04-03 | Solar power supply double-push-pull oscillator electronic transformer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104105285A (en) * | 2013-04-15 | 2014-10-15 | 张妙娟 | DC low-voltage double-push injection phase-locking power synthesis black light lamp |
| CN104105255A (en) * | 2013-04-15 | 2014-10-15 | 张根清 | Solar power supply double-half-bridge injection phase-locking light-emitting diode LED array lamp |
| CN105429625A (en) * | 2014-09-15 | 2016-03-23 | 亚德诺半导体集团 | Methods And Structures To Generate On/Off Keyed Carrier Signals For Signal Isolators |
| US9998301B2 (en) | 2014-11-03 | 2018-06-12 | Analog Devices, Inc. | Signal isolator system with protection for common mode transients |
| US10270630B2 (en) | 2014-09-15 | 2019-04-23 | Analog Devices, Inc. | Demodulation of on-off-key modulated signals in signal isolator systems |
| US10536309B2 (en) | 2014-09-15 | 2020-01-14 | Analog Devices, Inc. | Demodulation of on-off-key modulated signals in signal isolator systems |
-
2011
- 2011-04-03 CN CN2011201110566U patent/CN201976007U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104105285A (en) * | 2013-04-15 | 2014-10-15 | 张妙娟 | DC low-voltage double-push injection phase-locking power synthesis black light lamp |
| CN104105255A (en) * | 2013-04-15 | 2014-10-15 | 张根清 | Solar power supply double-half-bridge injection phase-locking light-emitting diode LED array lamp |
| CN104105285B (en) * | 2013-04-15 | 2016-12-07 | 张妙娟 | DC low-voltage is double pushes away injection phase-locking power combing black light lamp |
| CN105429625A (en) * | 2014-09-15 | 2016-03-23 | 亚德诺半导体集团 | Methods And Structures To Generate On/Off Keyed Carrier Signals For Signal Isolators |
| US10270630B2 (en) | 2014-09-15 | 2019-04-23 | Analog Devices, Inc. | Demodulation of on-off-key modulated signals in signal isolator systems |
| US10536309B2 (en) | 2014-09-15 | 2020-01-14 | Analog Devices, Inc. | Demodulation of on-off-key modulated signals in signal isolator systems |
| CN105429625B (en) * | 2014-09-15 | 2020-02-28 | 亚德诺半导体集团 | Method and structure for generating on/off keying carrier signal for signal isolator |
| US9998301B2 (en) | 2014-11-03 | 2018-06-12 | Analog Devices, Inc. | Signal isolator system with protection for common mode transients |
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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: 20110914 Termination date: 20130403 |