CN109546867A - A kind of high frequency electric source generator - Google Patents
A kind of high frequency electric source generator Download PDFInfo
- Publication number
- CN109546867A CN109546867A CN201811583215.5A CN201811583215A CN109546867A CN 109546867 A CN109546867 A CN 109546867A CN 201811583215 A CN201811583215 A CN 201811583215A CN 109546867 A CN109546867 A CN 109546867A
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- circuit
- pwm signal
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- switching tube
- triode
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M5/4585—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only having a rectifier with controlled elements
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a kind of high frequency electric source generators, circuit and dead zone delay circuit occurs including AC-DC circuit, inverter circuit, switch tube driving circuit, pwm signal, the AC-DC circuit exports direct current to inverter circuit, the first pwm signal and the second pwm signal of circuit output complementation occur for the pwm signal, first pwm signal successively passes through dead zone delay circuit and switch tube driving circuit is input in inverter circuit, and second pwm signal is input in inverter circuit by switch tube driving circuit.The invention realizes the delay function of the first pwm signal by hardware circuit and reduces the function of duty ratio, it is realized in the way of software program in compared with the existing technology, the technical program realizes that required function can guarantee the precision and reliability of delay using hardware circuit.The invention is used to for the alternating current of power frequency being converted into the alternating current of high frequency.
Description
Technical field
The present invention relates to electronic circuit technology fields, and power frequency supply is converted into high frequency electric source more specifically to a kind of
Device.
Background technique
With electronic technology, the fast development of control technology and the increase of wireless energy transfer demand, so that wireless energy
Amount transmission technology receives extensive attention.Wireless energy transmission technology has good application prospect in many fields, especially
In field of biomedicine.Existing internal MEMS is usually powered by chemical battery sets, be primarily present energy supply time it is short and
The problems such as safety is insufficient, and wireless energy transmission technology can be provided for internal MEMS it is a kind of long-acting, stable
Energy supply method.
Wireless energy transfer system needs high frequency electric source generator, and wherein high frequency electric source generator main operational principle is first
The alternating current of power frequency is first converted into direct current, recycles inverter circuit that direct current is converted into the alternating current of high frequency later, it is existing
Some inverter circuits generally use full-bridge type inversion scheme as shown in Figure 1, when work need simultaneously to switching tube QA1 and
QA4 inputs the first pwm signal, while inputting the second pwm signal to switching tube QA1 and QA3, and the first pwm signal and the
Two pwm signals are complementary signals.There are the feelings simultaneously turned in switching tube QA1 and QA2 in order to prevent in conventional inverter circuit
Condition, those skilled in the art are that pwm signal generation all the way is made wherein to postpone and change its duty by way of software program
Than size, the time of the delay is dead zone, and each switching tube is in off state in dead zone, thus can guarantee and opens
Closing pipe QA1 and QA2 is not in the case where simultaneously turning on, but realized using software program the reliability that is difficult to postpone with
And precision, it is ineffective.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of high frequency electric source hair for realizing dead zone delay using hardware circuit
Raw device circuit.
The solution that the present invention solves its technical problem is:
A kind of high frequency electric source generator, including AC-DC circuit, inverter circuit, switch tube driving circuit, pwm signal occur
Circuit and dead zone delay circuit, the inverter circuit are full bridge inversion circuits, and the AC-DC circuit is exported to inverter circuit
The first pwm signal and the second pwm signal of circuit output complementation, the first PWM letter occur for direct current, the pwm signal
Number and the second pwm signal be each equipped with two-way, first pwm signal successively passes through dead zone delay circuit and switching tube drives
Dynamic circuit is input in inverter circuit, and second pwm signal is input in inverter circuit by switch tube driving circuit, described
Dead zone delay circuit is used to be postponed and be reduced duty cycle operation for the first pwm signal, the inverter circuit output end with
External coupling coil is electrically connected.
As a further improvement of the above technical scheme, the dead zone delay circuit include resistance R1, capacitor C1 and with
Door arithmetic unit, described to be equipped with first input end and the second input terminal with door arithmetic unit, first pwm signal is directly inputted to
In the first input end of door arithmetic unit, while first pwm signal is input to second with door arithmetic unit by resistance R1
In input terminal, one end of the capacitor C1 is connected with the second input terminal with door arithmetic unit, the other end and ground of the capacitor C1
It is connected, the output end with door arithmetic unit is connected with switch tube driving circuit.
As a further improvement of the above technical scheme, it includes single-chip microcontroller, frequency synthesizer that circuit, which occurs, for the pwm signal
Chip and the phase inverter chip for being integrated with several phase inverters, the single-chip microcontroller is connected with synthesizer chip, described
Synthesizer chip is connected with phase inverter chip, and the synthesizer chip exports complementary first to phase inverter chip
Pwm signal and the second pwm signal, phase inverter chip output first pwm signal of two-way and the second pwm signal of two-way.
As a further improvement of the above technical scheme, the AC-DC circuit include rectifier bridge, it is π type RC filter, adjustable
Voltage regulator chip, the first voltage regulator chip and the second voltage regulator chip, the rectifier bridge are connected with π type RC filter, institute
It states π type RC filter to be connected with the input terminal of the input terminal of adjustable voltage stabilizer chip and the first voltage regulator chip respectively, institute
The output end for stating the first voltage regulator chip is connected with the input terminal of the second voltage-stablizer, the output end of the adjustable voltage stabilizer chip with
Inverter circuit is connected.
As a further improvement of the above technical scheme, the AC-DC circuit further includes triode Q1, the triode Q1
It is PNP type triode or NPN type triode, the base stage of the triode Q1 is connected with the input terminal of adjustable voltage stabilizer chip,
When the triode Q1 is PNP type triode, the emitter of triode Q1 is connect between rectifier bridge and π type RC filter, and three
The collector of pole pipe Q1 is connected with the output end of voltage regulator chip is adjusted；When the triode Q1 is NPN type triode, triode
The collector of Q1 connects between rectifier bridge and π type RC filter, the emitter of triode Q1 and the output end for adjusting voltage regulator chip
It is connected.
As a further improvement of the above technical scheme, the switch tube driving circuit includes two driving units, described
Driving unit includes the driving chip of model IR2110, the high-end input pin of the logic of the driving chip and logic low side
Input pin occurs circuit with dead zone delay circuit and pwm signal respectively and is connected, the high-end output pin of the driving chip
And low side output pin is connected with inverter circuit respectively.
As a further improvement of the above technical scheme, the inverter circuit includes the first half bridge arm and the second half-bridges
Arm, the first half bridge arm include the source electrode and switching tube QB2 of switching tube QB1 and switching tube QB2, the switching tube QB1
Drain electrode is connected, and the second half bridge arm includes switching tube QB3 and switching tube QB4, the source electrode and switching tube of the switching tube QB3
The drain electrode of QB4 is connected, the switch tube driving circuit respectively with switching tube QB1, switching tube QB2, switching tube QB3 and switching tube
The grid of QB4 is connected；The first half bridge arm and the second half bridge arms include the absorption for absorbing switch tube voltage spike
Circuit.
The beneficial effects of the present invention are: the present invention realizes the delay function and drop of the first pwm signal by hardware circuit
The function of low duty ratio, middle compared with the existing technology to be realized in the way of software program, the technical program utilizes hardware circuit
Realize that required function can guarantee the precision and reliability of delay.
The present invention is used to for the alternating current of power frequency being converted into the alternating current of high frequency.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiments of the present invention, rather than is all implemented
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is the schematic diagram of full bridge inversion circuit in the prior art；
Fig. 2 is the module frame chart of the invention；
Fig. 3 is that the schematic diagram of circuit and dead zone delay circuit occurs for the pwm signal of the invention；
Fig. 4 is the schematic diagram of the AC-DC circuit of the invention；
Fig. 5 is the switch tube driving circuit of the invention and the schematic diagram of inverter circuit.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu, complete description, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this Shen
A part of the embodiment please, rather than whole embodiments, are based on embodiments herein, and those skilled in the art is not paying
Other embodiments obtained under the premise of creative work belong to the range of the application protection.In addition, be previously mentioned in text
All connection relationships, not single finger element directly connects, and referring to can be according to specific implementation situation, by adding or reducing connection
Element, Lai Zucheng more preferably circuit structure.
Referring to Fig. 2~Fig. 5, the technical program discloses a kind of high frequency electric source generator, including AC-DC circuit, inversion electricity
Circuit and dead zone delay circuit occur for road, switch tube driving circuit, pwm signal, and the inverter circuit is full-bridge type inversion electricity
Road, the AC-DC circuit export direct current to inverter circuit, and the first pwm signal of circuit output complementation occurs for the pwm signal
And second pwm signal, first pwm signal and the second pwm signal are each equipped with two-way, first pwm signal is first
It is input in inverter circuit by dead zone delay circuit and switch tube driving circuit afterwards, second pwm signal passes through switch
Tube drive circuit is input in inverter circuit, and the dead zone delay circuit is for being postponed and being reduced the first pwm signal
Duty cycle operation, the inverter circuit output end and external coupling coil are electrically connected.Specifically, the technical program passes through hard
Part circuit realize the first pwm signal delay function and reduce duty ratio function, compared with the existing technology in utilize software
The mode of program realizes, the technical program realizes that required function can guarantee the precision of delay and reliable using hardware circuit
Property.
Referring to Fig. 3, it is further used as preferred embodiment, in the application specific embodiment, the dead zone deferred telegram
Road include resistance R1, capacitor C1 and with door arithmetic unit, it is described that first input end and the second input terminal are equipped with door arithmetic unit,
First pwm signal is directly inputted to the first input end of door arithmetic unit, while first pwm signal passes through resistance
R1 is input in the second input terminal with door arithmetic unit, one end of the capacitor C1 with the second input terminal phase of door arithmetic unit
Even, the other end of the capacitor C1 is connected to the ground, and the output end with door arithmetic unit is connected with switch tube driving circuit.Tool
Body, the technical program forms RC retardation ratio circuit using resistance R1 and capacitor C1, utilizes the original letter of the first pwm signal later
Number and make and operation by postponing obtained postpones signal, so that the duty ratio of the first pwm signal is reduced, in driving inversion
Dead time section can be formed during circuit switch pipe, the feelings for effectivelying prevent inverter circuit switching tube to occur simultaneously turning on
Condition.
Referring to Fig. 3, it is further used as preferred embodiment, in the application specific embodiment, the pwm signal occurs
Circuit includes single-chip microcontroller, synthesizer chip and the phase inverter chip for being integrated with several phase inverters, the single-chip microcontroller with
Synthesizer chip is connected, and the synthesizer chip is connected with phase inverter chip, the synthesizer chip
First pwm signal and second pwm signal complementary to phase inverter chip output, the phase inverter chip export two-way first
The second pwm signal of pwm signal and two-way.
Preferably, the model STC83C52 of the single-chip microcontroller, the model AD9850 of the synthesizer chip, institute
The model CD4081 of phase inverter chip is stated, wherein the synthesizer chip of the model is that a maximum clock is
125MHz, the direct synthesizer (DDS) using advanced CMOS technology can realize the accurate of signal frequency by programming
Control, the synthesizer chip of the model is applied in the technical program, the first pwm signal and second are effectively improved
The frequency precision of pwm signal.
Referring to Fig. 4, it is further used as preferred embodiment, in the application specific embodiment, the AC-DC circuit packet
Include rectifier bridge, π type RC filter, adjustable voltage stabilizer chip, the first voltage regulator chip and the second voltage regulator chip, the rectification
Bridge is connected with π type RC filter, the π type RC filter respectively with the input terminal of adjustable voltage stabilizer chip and the first pressure stabilizing
The input terminal of device chip is connected, and the output end of first voltage regulator chip is connected with the input terminal of the second voltage-stablizer, described
The output end of adjustable voltage stabilizer chip is connected with inverter circuit, wherein first voltage regulator chip and the second voltage regulator chip
For externally exporting 12V and 5V d. c. voltage signal, for being powered operation to other circuit modules.
Preferably, the model LM317 of the adjustable voltage stabilizer chip, the model of first voltage regulator chip
LM7812, the model LM7805 of second voltage-stablizer, wherein the adjustable voltage stabilizer chip of the model can be according to reality
Its output end voltage value size is freely adjusted using needs.
It is further used as preferred embodiment, in the application specific embodiment, the AC-DC circuit further includes three poles
Pipe Q1, the triode Q1 are PNP type triode or NPN type triode, the base stage and adjustable voltage stabilizer of the triode Q1
The input terminal of chip is connected, and when the triode Q1 is PNP type triode, the emitter of triode Q1 is connect in rectifier bridge and π
Between type RC filter, the collector of triode Q1 is connected with the output end of voltage regulator chip is adjusted；When the triode Q1 is NPN
When type triode, the collector of triode Q1 is connect between rectifier bridge and π type RC filter, and the emitter and tune of triode Q1 is steady
The output end of depressor chip is connected.Wherein the triode Q1 is mainly used for improving the input current of AC-DC circuit, to improve
The suitable power range of the technical program.
Referring to Fig. 5, it is further used as preferred embodiment, in the application specific embodiment, the switching tube driving
Circuit includes two driving units, and the driving unit includes the driving chip of model IR2110, and the driving chip is patrolled
High-end input pin and logic low side input pin is collected to be connected with dead zone delay circuit and pwm signal generation circuit respectively,
The high-end output pin and low side output pin of the driving chip are connected with inverter circuit respectively.The wherein model
Driving chip be a binary channels, gate driving, high-voltage high-speed power device one chip integrated drive chips, effectively improve
Circuit occurs for pwm signal to the driving capability of switching tube in inverter circuit.
It is further used as preferred embodiment, in the application specific embodiment, the inverter circuit includes the first half
Bridge arm and the second half bridge arms, the first half bridge arm includes switching tube QB1 and switching tube QB2, the source of the switching tube QB1
Pole is connected with the drain electrode of switching tube QB2, and the second half bridge arm includes switching tube QB3 and switching tube QB4, the switching tube
The source electrode of QB3 is connected with the drain electrode of switching tube QB4, the switch tube driving circuit respectively with switching tube QB1, switching tube QB2, open
The grid for closing pipe QB3 and switching tube QB4 is connected；The first half bridge arm and the second half bridge arms include for absorbing switch
The absorbing circuit of tube voltage spike.
Wherein the absorbing circuit includes diode D3, diode D4, capacitor C2, capacitor C3, resistance R6 and resistance R7,
It is illustrated by taking the first half bridge arms as an example, one end of capacitor C2 is connected with the drain electrode of switching tube QB1, the other end of capacitor C2 and two
The anode of pole pipe D3 is connected, and the cathode of diode D3 is connected with the cathode of diode D4, and the anode of diode D4 passes through capacitor C3
It is connected with the source electrode of switching tube QB2, the both ends resistance R6 are connected with the source electrode of the anode of diode D3 and switching tube QB2 respectively,
The both ends resistance R7 are connected with the anode of the drain electrode of switching tube QB1 and diode D4 respectively.It is absorbed in the technical program using RCD
Circuit realizes switch tube voltage peak absorbing function, is illustrated with the course of work of switching tube QB1, when switching tube QB1 is disconnected
When, capacitor C2 charges by diode D3, to inhibit voltage change ratio, when switching tube QB1 conducting, capacitor C2 passes through
Power supply and resistance R7 discharge, and this absorbing circuit is suitable for powerful inverter circuit.
Preferably, the driving unit further includes boostrap circuit, the high-end output pin of the logic of the driving chip and
Logic low side output pin passes through boostrap circuit respectively and is connected with the switching tube in inverter circuit, and the boostrap circuit includes two poles
Pipe D1, diode D2, resistance R2, resistance R3, resistance R4 and resistance R5, the high-end output pin of the logic of the driving chip are logical
It crosses resistance R2 to be connected with the grid of switching tube QB1, the both ends resistance R3 are connected with the grid of switching tube QB1 and source electrode respectively, institute
State diode D1 anode and cathode respectively with the high-end output pin phase of the logic of the grid of switching tube QB1 and driving chip
Even, the logic low side output pin of the driving chip is connected by resistance R4 with the grid of switching tube QB2, the both ends resistance R5 point
It is not connected with the grid of switching tube QB2 and ground, the anode and cathode of the diode D2 grid with switching tube QB2 respectively
And the logic low side output pin of driving chip is connected.It is consistent in another driving unit connection.
The better embodiment of the application is illustrated above, but the application is not limited to the specific embodiments,
Those skilled in the art can also make various equivalent modifications or replacement on the premise of without prejudice to spirit of the invention, this
Equivalent variation or replacement are all included in the scope defined by the claims of the present application a bit.
Claims (7)
1. a kind of high frequency electric source generator, it is characterised in that: including AC-DC circuit, inverter circuit, switch tube driving circuit, PWM
Signal generating circuit and dead zone delay circuit, the inverter circuit are full bridge inversion circuits, and the AC-DC circuit is to inversion
The first pwm signal and the second pwm signal of circuit output complementation occur for circuit output direct current, the pwm signal, and described the
One pwm signal and the second pwm signal are each equipped with two-way, first pwm signal successively pass through dead zone delay circuit and
Switch tube driving circuit is input in inverter circuit, and second pwm signal is input to inversion electricity by switch tube driving circuit
Lu Zhong.
2. a kind of high frequency electric source generator according to claim 1, it is characterised in that: the dead zone delay circuit includes electricity
Hinder R1, capacitor C1 and with door arithmetic unit, it is described to be equipped with first input end and the second input terminal with door arithmetic unit, described first
Pwm signal is directly inputted to the first input end of door arithmetic unit, while first pwm signal is input to by resistance R1
In the second input terminal of door arithmetic unit, one end of the capacitor C1 is connected with the second input terminal with door arithmetic unit, the electricity
The other end for holding C1 is connected to the ground, and the output end with door arithmetic unit is connected with switch tube driving circuit.
3. a kind of high frequency electric source generator according to claim 1, it is characterised in that: circuit packet occurs for the pwm signal
Single-chip microcontroller, synthesizer chip and the phase inverter chip for being integrated with several phase inverters are included, the single-chip microcontroller and frequency are closed
Chip of growing up to be a useful person is connected, and the synthesizer chip is connected with phase inverter chip, and the synthesizer chip is to reverse phase
The output of device chip complementary the first pwm signal and the second pwm signal, the phase inverter chip export the first pwm signal of two-way
And the second pwm signal of two-way.
4. a kind of high frequency electric source generator according to claim 1, it is characterised in that: the AC-DC circuit includes rectification
Bridge, π type RC filter, adjustable voltage stabilizer chip, the first voltage regulator chip and the second voltage regulator chip, the rectifier bridge and π
Type RC filter is connected, the π type RC filter respectively with the input terminal of adjustable voltage stabilizer chip and the first voltage-stablizer core
The input terminal of piece is connected, and the output end of first voltage regulator chip is connected with the input terminal of the second voltage-stablizer, described adjustable
The output end of voltage regulator chip is connected with inverter circuit.
5. a kind of high frequency electric source generator according to claim 4, it is characterised in that: the AC-DC circuit further includes three
Pole pipe Q1, the triode Q1 are PNP type triode or NPN type triode, the base stage and adjustable pressure stabilizing of the triode Q1
The input terminal of device chip is connected, when the triode Q1 is PNP type triode, the emitter of triode Q1 connect rectifier bridge with
Between π type RC filter, the collector of triode Q1 is connected with the output end of voltage regulator chip is adjusted；When the triode Q1 is
When NPN type triode, the collector of triode Q1 is connect between rectifier bridge and π type RC filter, the emitter of triode Q1 with
The output end of voltage regulator chip is adjusted to be connected.
6. a kind of high frequency electric source generator according to claim 1, it is characterised in that: the switch tube driving circuit includes
Two driving units, the driving unit include the driving chip of model IR2110, and the logic of the driving chip is high-end defeated
Enter pin and logic low side input pin to be connected with dead zone delay circuit and pwm signal generation circuit respectively, the driving
The high-end output pin and low side output pin of chip are connected with inverter circuit respectively.
7. a kind of high frequency electric source generator according to claim 1, it is characterised in that: the inverter circuit includes the first half
Bridge arm and the second half bridge arms, the first half bridge arm includes switching tube QB1 and switching tube QB2, the source of the switching tube QB1
Pole is connected with the drain electrode of switching tube QB2, and the second half bridge arm includes switching tube QB3 and switching tube QB4, the switching tube
The source electrode of QB3 is connected with the drain electrode of switching tube QB4, the switch tube driving circuit respectively with switching tube QB1, switching tube QB2, open
The grid for closing pipe QB3 and switching tube QB4 is connected；The first half bridge arm and the second half bridge arms include for absorbing switch
The absorbing circuit of tube voltage spike.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811583215.5A CN109546867A (en) | 2018-12-24 | 2018-12-24 | A kind of high frequency electric source generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811583215.5A CN109546867A (en) | 2018-12-24 | 2018-12-24 | A kind of high frequency electric source generator |
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| Publication Number | Publication Date |
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| CN109546867A true CN109546867A (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811583215.5A Pending CN109546867A (en) | 2018-12-24 | 2018-12-24 | A kind of high frequency electric source generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111313706A (en) * | 2020-04-07 | 2020-06-19 | 上海空间电源研究所 | Buck-Boost converter-based IR2110 driving circuit and method thereof |
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| CN204168179U (en) * | 2014-09-24 | 2015-02-18 | 佛山市新光宏锐电源设备有限公司 | A kind of high accuracy semi-bridge inversion Drive Protecting Circuit |
| CN107611935A (en) * | 2017-09-28 | 2018-01-19 | 佛山市索尔电子实业有限公司 | A kind of inverter circuit with overcurrent protection function |
| CN212850284U (en) * | 2018-12-24 | 2021-03-30 | 佛山职业技术学院 | High-frequency power generator |
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| CN204168179U (en) * | 2014-09-24 | 2015-02-18 | 佛山市新光宏锐电源设备有限公司 | A kind of high accuracy semi-bridge inversion Drive Protecting Circuit |
| CN107611935A (en) * | 2017-09-28 | 2018-01-19 | 佛山市索尔电子实业有限公司 | A kind of inverter circuit with overcurrent protection function |
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| CN111313706A (en) * | 2020-04-07 | 2020-06-19 | 上海空间电源研究所 | Buck-Boost converter-based IR2110 driving circuit and method thereof |
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