CN201994854U - Four-bridge oscillation electronic transformer of solar power supply - Google Patents
Four-bridge oscillation electronic transformer of solar power supply Download PDFInfo
- Publication number
- CN201994854U CN201994854U CN2011201106645U CN201120110664U CN201994854U CN 201994854 U CN201994854 U CN 201994854U CN 2011201106645 U CN2011201106645 U CN 2011201106645U CN 201120110664 U CN201120110664 U CN 201120110664U CN 201994854 U CN201994854 U CN 201994854U
- Authority
- CN
- China
- Prior art keywords
- power
- full
- bridge
- voltage
- coupler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Inverter Devices (AREA)
- Dc-Dc Converters (AREA)
Abstract
The utility model relates to the technical field of electronics, in particular to a four-bridge oscillation electronic transformer of a solar power supply. The four-bridge oscillation electronic transformer comprises the solar power supply and an inverter, wherein the solar power supply consists of a solar cell array, an over-voltage detection controller, an under-voltage detection controller, a voltage adapter and a storage battery; and the inverter consists of four bridge oscillators, three additive couplers, a large-power MOS (metal-oxide semiconductor) field effect transistor (FET) full-wave rectification circuit and an overload detection protecting circuit, wherein the power of the four bridge oscillators are combined and accessed in the large-power MOS FET full-wave rectification circuit for supplying load for direct current voltage. The four-bridge oscillation electronic transformer has unique and efficient circuits and is widely applied to the occasions without alternating current commercial power or inconvenient power supply, i.e., automobiles, trains and ships, in which large-power LED (light-emitting diode) array lamps are used for illumination, and the four-bridge oscillation electronic transformer is also applied to landscapes, advertisements or used for driving other direct current electrical appliances.
Description
Technical field
The utility model relates to electronic technology field, specifically is a kind of sun-generated electric power four bridge oscillating electron 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 bridge oscillating electron 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 four full-bridge oscillators, 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 full-bridge oscillators are divided into full-bridge oscillator 5a, full-bridge oscillator 5b and full-bridge oscillator 5c, full-bridge oscillator 5d, respectively by ferrimagnetism transformer T1, T2 and T3, T4 primary inductance shunt capacitance is a resonant tank, the resonant tank two ends respectively and connect two high-power oscillating tube collector electrodes of PNP and two high-power oscillating tube collector electrodes of NPN, two high-power oscillating tube emitters of PNP connect the sun-generated electric power positive pole, two high-power oscillating tube grounded emitters of NPN, complementary series feed power supply, fast recovery diode in parallel between four high-power oscillating tube collector electrodes and the emitter, resonant tank two ends cross-couplings also in parallel is to pipe base resistance quiescent biasing and electric capacity positive feedback are constituted the full-bridge oscillator, two high-power oscillating tube base stages of NPN also connect control signal mouthpiece collector electrode, the mouthpiece base stage, collector electrode connects voltage negative feedback biasing resistor, grounded emitter, full-bridge oscillator 5a and full-bridge oscillator 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, full-bridge oscillator 5c and full-bridge oscillator 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 inserts high-power MOS field effect transistor full-wave rectifying circuit, output dc voltage is for load, the overload detection protective circuit through magnet ring inductance induced potential diode detection, detects voltage access interface management and control system oscillating tube by load current;
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 good effect: the sun-generated electric power four bridge hunting power synthesizing efficients output of powering, and it is very strong vibrate, the complementary series feed power supply of oscillating circuit, the supply voltage height, electric current is little, reduces power consumption increase power output.Not only efficient, opposite three rank of collector current phase place and high-order odd harmonic are zero, even-order harmonic is cancelled out each other, be output as pure sine wave, the full-wave rectification of high-power MOS field effect transistor is without electrochemical capacitor filtering, the internal resistance low-response is fast, is widely used in not having the occasion DC-DC conversion of electric main or power supply inconvenience, especially is fit to driven for emitting lights diode (LED) array lamp.
Description of drawings
Fig. 1 technical solutions of the utility model functional-block diagram
Fig. 2 full-bridge pierce circuit
Fig. 3 four bridge hunting power combiner circuits
Field effect transistor full-wave rectification of Fig. 4 high-power MOS and overload detection protective circuit
Overvoltage of Fig. 5 sun-generated electric power and under-voltage detection controller circuitry
Specific implementation method
With reference to Fig. 1; 2; 3 and Fig. 5 (Fig. 2 is an example with full-bridge oscillator 5a circuit; all the other full-bridge pierce circuits are 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 full-bridge oscillators 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 full-bridge oscillators 5 are divided into full-bridge oscillator 5a; full-bridge oscillator 5b and full-bridge oscillator 5c; full-bridge oscillator 5d; respectively by ferrimagnetism transformer T1; T2 and T3; T4 primary inductance L1 shunt capacitance C0 is a resonant tank; the resonant tank two ends respectively and meet two high-power oscillating tube Q1 of PNP; Q2 collector electrode and two high-power oscillating tube Q3 of NPN; the Q4 collector electrode; two high-power oscillating tube Q1 of PNP; the Q2 emitter connects sun-generated electric power 1 positive pole; two high-power oscillating tube Q3 of NPN; the Q4 grounded emitter; complementary series feed power supply; four high-power oscillating tube Q1; Q2 and Q3; fast recovery diode VD1 in parallel between 4Q collector electrode and the emitter; VD2 and VD3; VD4; resonant tank two ends cross-couplings also in parallel arrives pipe base resistance R1; R2 and R3; R4 quiescent biasing and capacitor C 1; C2 and C3; the C4 positive feedback constitutes the full-bridge oscillator; Q3; the Q4 base stage also meets control signal mouthpiece Q5; the Q6 collector electrode; mouthpiece Q5; the Q6 base stage; collector electrode meets voltage negative feedback biasing resistor R5; R6; grounded emitter; full-bridge oscillator 5a and full-bridge oscillator 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 L2 is synthetic; full-bridge oscillator 5c and full-bridge oscillator 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 L2 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; third phase adds coupler 4c secondary inductance and inserts high-power MOS field effect transistor full-wave rectifying circuit 3, and output dc voltage is for load.Fast recovery diode VD1, VD2 and VD3, VD4 are the protection oscillating tubes, and the high back-pressure of avoiding vibrating punctures.
The full-bridge oscillator is by PNP, two symmetrical capacitance-resistance cross-couplings of complementation of NPN triode push-pull oscillator mutual coupling forms, the push-pull oscillator of capacitance-resistance cross-couplings is actual to be the directly continuous two-stage LC frequency selective amplifier of output input, high-power oscillating tube Q1, Q2 and Q3, the Q4 angle of flow is 90 degree alternations, output current is half cosine wave pulse, it is very strong to vibrate, through resonant tank decay harmonic wave, opposite three rank of collector current phase place and high-order odd harmonic are zero, even-order harmonic is cancelled out each other, load is output as pure sine wave, and is not only efficient, the complementary series feed power supply of oscillating circuit, the high electric current of supply voltage is little, and power output is two times of push-pull oscillator.
General large power triode constitutes the bridge vibration and requires bigger power output, when for example mating the 240W load, only several the direct parallel operations of device can not be satisfactory, adopt four bridge hunting power synthetic effects obvious, the power output stack can be satisfied specification requirement, respectively that the mutual anti-phase exciting power of four bridges vibration power output is synthetic by two addition couplers, again the conversion of two addition coupler output currents being doubled summation, to deliver to the 3rd addition coupler power synthetic, is that direct voltage offers load through the full-wave rectification of high-power MOS field effect transistor.When three balance resistance R9, R10 and R11 equate at two synthetic electric currents of power, no power waste.
Fig. 4, high-power MOS field effect transistor full-wave rectifying circuit is by two high-power MOS field effect transistor Q7, the Q8 full-wave rectification, source electrode inserts the two ends that third phase adds coupler 4c secondary inductance respectively, inductance centre cap ground connection, grid is through resistance R 13, R15 paralleling switch diode VD5, the VD6 intersection inserts the two ends of addition coupler 6c secondary inductance, and with resistance R 12, R14 provides gate bias, switching diode VD5, VD6 makes grid quicken upset, drain electrode also is connected into full-wave rectification output dc voltage supply load RL, rectification circuit is without electrochemical capacitor filtering, high-speed response.This electronic transformer output dc voltage, power are determined by four full-bridge oscillators and the primary and secondary inductance ratio of addition coupler and supply voltage, electric current.Be suitable for driving large-power light-emitting diodes led array lamp or drive other dc electric apparatus.
Among the figure, overload detection protective circuit 2 through the 3 induced potential diode VD5 detections of magnet ring inductance L, detects voltage through capacitor C 5, resistance R 16 filtering by load current, resistance R 7, R8 current limliting access interface pipe Q5, Q6 control oscillating tube Q3, Q4 and Q1, Q2.When load short circuits or loose contact produce big electric current, overload detection voltage makes Q5, Q6 saturation conduction, and oscillating tube Q3, Q4 and Q1, Q2 be by failure of oscillation, instant protection.
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 bridge oscillators, 5 power ends.
Embodiment sun-generated electric power voltage 60V, four bridge oscillator operating current 4A, frequency 47KHZ, output dc voltage 14V, electric current 15A, mesh power 200W LED array lamp, inversion efficiency 85%, the temperature rise of oscillating tube radiator is below 30 ℃.
Claims (3)
1. sun-generated electric power four bridge oscillating electron 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 full-bridge oscillators; 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 full-bridge oscillators are divided into full-bridge oscillator (5a); full-bridge oscillator (5b); full-bridge oscillator (5c) and full-bridge oscillator (5d); respectively by ferrimagnetism transformer (T1); (T2) and (T3); (T4) the primary inductance shunt capacitance is a resonant tank; the resonant tank two ends respectively and connect two high-power oscillating tube collector electrodes of PNP and two high-power oscillating tube collector electrodes of NPN; two high-power oscillating tube emitters of PNP connect the sun-generated electric power positive pole; two high-power oscillating tube grounded emitters of NPN; complementary series feed power supply; fast recovery diode in parallel between four high-power oscillating tube collector electrodes and the emitter; resonant tank two ends cross-couplings also in parallel is to pipe base resistance quiescent biasing and electric capacity positive feedback are constituted the full-bridge oscillator; two high-power oscillating tube base stages of NPN also connect control signal mouthpiece collector electrode; the mouthpiece base stage; collector electrode connects voltage negative feedback biasing resistor; grounded emitter; full-bridge oscillator (5a) and full-bridge oscillator (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; full-bridge oscillator (5c) and full-bridge oscillator (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; third phase adds the coupler secondary inductance and inserts high-power MOS field effect transistor full-wave rectifying circuit; output dc voltage is for load; the overload detection protective circuit through magnet ring inductance induced potential diode detection, detects voltage access interface management and control system oscillating tube by load current.
2. sun-generated electric power four bridge oscillating electron 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 bridge oscillating electron 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 |
|---|---|---|---|
| CN2011201106645U CN201994854U (en) | 2011-04-03 | 2011-04-03 | Four-bridge oscillation electronic transformer of solar power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201106645U CN201994854U (en) | 2011-04-03 | 2011-04-03 | Four-bridge oscillation electronic transformer of solar power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201994854U true CN201994854U (en) | 2011-09-28 |
Family
ID=44671328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201106645U Expired - Fee Related CN201994854U (en) | 2011-04-03 | 2011-04-03 | Four-bridge oscillation electronic transformer of solar power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201994854U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104105251A (en) * | 2013-04-15 | 2014-10-15 | 阮树成 | Solar power supply double-full-bridge injection-locking light emitting diode (LED) array lamp |
| CN110022074A (en) * | 2019-04-25 | 2019-07-16 | 佛山市格林博尔电子有限公司 | A kind of high-efficiency high-power electrical isolation transformer topology |
-
2011
- 2011-04-03 CN CN2011201106645U patent/CN201994854U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104105251A (en) * | 2013-04-15 | 2014-10-15 | 阮树成 | Solar power supply double-full-bridge injection-locking light emitting diode (LED) array lamp |
| CN110022074A (en) * | 2019-04-25 | 2019-07-16 | 佛山市格林博尔电子有限公司 | A kind of high-efficiency high-power electrical isolation transformer topology |
| CN110022074B (en) * | 2019-04-25 | 2024-01-05 | 佛山市格林博尔电子有限公司 | High-efficiency high-power electronic isolation transformer topology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202068653U (en) | Double push-pull oscillation power synthesis electroless lamp utilizing direct-current low-voltage power supply | |
| CN201956907U (en) | Dual-bridge oscillation electronic transformer with DC low voltage power supply | |
| CN201976007U (en) | Solar power supply double-push-pull oscillator electronic transformer | |
| CN201976315U (en) | Power synthesis fluorescent lamp with solar power supply and double bridge oscillators | |
| CN202068631U (en) | Solar energy power supply double bridge oscillation metal halide lamp | |
| CN201957318U (en) | Solar power supply dual-bridge oscillation high-voltage sodium lamp | |
| CN202068651U (en) | Solar power supply four-bridge oscillation power synthesis fluorescent lamp | |
| CN201976323U (en) | Four-push-pull oscillation power synthesis electrodeless lamp with solar energy power supply | |
| CN201975998U (en) | Solar power supply four-push-pull oscillator electronic transformer | |
| CN201994854U (en) | Four-bridge oscillation electronic transformer of solar power supply | |
| CN202068640U (en) | Double bridge oscillation power synthesis fluorescent lamp with direct current low voltage power supply | |
| CN201976331U (en) | Solar powered fourfold bridge oscillatory power synthesis electrodeless lamp | |
| CN201976006U (en) | Electronic transformer with solar power supply and push-pull oscillator | |
| CN201976004U (en) | Eight-bridge oscillation electronic transformer for solar energy power supply | |
| CN202103581U (en) | Four-bridge oscillation electronic transformer | |
| CN201976333U (en) | Full-bridge oscillating electrodeless lamp with solar power supply | |
| CN201976000U (en) | Electronic transformer with solar power supply and eight push-pull oscillators | |
| CN201976001U (en) | Electronic transformer with solar power supply and bridge type oscillator | |
| CN202059662U (en) | Solar energy power supply eight-bridge-oscillation power synthesized high voltage sodium lamp | |
| CN202068650U (en) | Solar energy power supply double push-pull oscillation power synthesized fluorescent lamp | |
| CN201976003U (en) | Eight-bridge oscillating electronic transformer with direct-current low-voltage power supply | |
| CN201976002U (en) | Solar energy power double-bridge oscillation electronic transformer | |
| CN201976324U (en) | Electrodeless lamp synthesized by solar power supply double bridge oscillation power | |
| CN202004656U (en) | Electronic bridge oscillating transformer with DC low voltage power supply | |
| CN201975999U (en) | Electronic transformer with eight push-pull oscillators for DC low-voltage power supply |
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: 20110928 Termination date: 20130403 |