CN104811019B - Self-adaptive novel soft switching full-bridge circuit driving method and full-bridge driving circuit - Google Patents
Self-adaptive novel soft switching full-bridge circuit driving method and full-bridge driving circuit Download PDFInfo
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- CN104811019B CN104811019B CN201510187225.7A CN201510187225A CN104811019B CN 104811019 B CN104811019 B CN 104811019B CN 201510187225 A CN201510187225 A CN 201510187225A CN 104811019 B CN104811019 B CN 104811019B
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
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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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The invention discloses a self-adaptive novel soft switching full-bridge circuit driving method and a full-bridge driving circuit. The full-bridge driving circuit comprises a full-bridge circuit, wherein the full-bridge circuit is composed of a first switching device, a second switching device, a third switching device and a fourth switching device. A first external control signal is connected with the third control end of the third switching device, and a second external control signal is connected with the fourth control end of the fourth switching device; a first node is arranged on a connecting circuit located between the first switching device and the third switching device, and a second node is arranged on a connecting circuit located between the second switching device and the fourth switching device; the first control end of the first switching device is connected with the second node, the second control end of the second switching device is connected with the first node, and the first node is connected with the second node through a load loop with the inductance feature. The self-adaptive novel soft switching full-bridge circuit driving method and the full-bridge driving circuit have the advantages that the circuit is simple, the zero-voltage and zero-current soft switching function can be conveniently fulfilled, and the circuit layout is flexible.
Description
Technical field
The present invention relates to soft switch full bridge circuit technical field, more particularly, to a kind of self adaptation Novel Soft Switching full-bridge electricity
Road driving method and full bridge driving circuit.
Background technology
In existing technology, full bridge driving circuit has many kinds, but all there is a problem of a lot.As shown in fig. 1
Be that accessory power supply bootstrapping level shift drives full-bridge circuit, 4 bridge arms of the full-bridge circuit of this structure are required for directly connecting
Drive control circuit is connect, especially upper arm also needs to the driving IC of high-voltage level displacement, while also needing to independent bootstrapping electricity
Source, circuit are complicated, high cost, and noise is big, and loss is high, and circuit layout is complicated.Simultaneously because to drive will bear higher inside IC
Voltage, higher to driving the requirement of performance and technique of IC, reliability may be affected, and take volume and space,
Typesetting and installation to circuit makes troubles.
Fig. 2 is referred to, is that transformator more common at present drives full-bridge circuit, the transformator of this structure shown in Fig. 2
Full-bridge circuit is driven, there is transformator high cost, and due to due to transformer isolation direct current, the unipolar pulse of primary side
Level shift can be produced Jing after transformer isolation（The problem of zero shifting）, cause the serious imbalance of 4 arm driving voltages, and with
Dutycycle to deviate 50% and aggravate, need to increase more complicated displacement or clamp circuit to solve this unbalanced problem.Also
Have between each winding of this circuit and there is parasitic contribution parameter, affect performance, and this circuit dead band is difficult adjustment, need multiple
Miscellaneous process circuit is completed, and high cost, effect are bad, realizes that the difficulty of Sofe Switch increases.Due to volume of transformer greatly, monotropic pressure
Device drives 4 bridges, and circuit layout is highly difficult, is unfavorable for miniaturization, simplicity, high reliability and the low noise of product.
The content of the invention
In order to overcome the problems referred to above, the present invention to society provide a kind of simple structure, be lost that low, reliability is high, noise is little,
The higher operational frequency that can work and easily while realizing four bridge legs no-voltage or while realizing four bridge legs no-voltage and zero electric
Stream（It is close to zero current）The self adaptation Novel Soft Switching full-bridge circuit driving method of Sofe Switch and full bridge driving circuit.
The present invention a kind of technical scheme be：A kind of self adaptation Novel Soft Switching full-bridge circuit driving method is provided, including
The full-bridge circuit that first switch device, second switch device, the 3rd switching device and the 4th switching device are constituted, described first opens
Device and the 3rd switching device series connection are closed, the second switch device is connected with the 4th switching device, described first
Switching device and the second switch device are connected with one end of power supply respectively, and the 3rd switching device and the described 4th is switched
Device is connected with the other end of power supply respectively, and during using the full-bridge circuit driving load, the full-bridge circuit is pressed
The following course of work is operated：
（1）, after upper electricity completes, the first external control signal controls the 3rd switch device conductive, described first
The first control signal is formed in connection line between switching device and the 3rd switching device and the second switch is controlled
Break-over of device, the second switch device, the load circuit with inductance characteristic and the 3rd switch form performance loop；
（2）, the first external control signal control the 3rd switching device and disconnect, in the first switch device and
The second control signal is formed in connection line between 3rd switching device and the second switch device is controlled and is disconnected；
After the second switch device disconnects, the connection between the second switch device and the 4th switching device
The 3rd control signal is formed in circuit, the 3rd control signal controls the first switch conducting；
（3）, after the first dead band, the second external control signal controls the 4th switch device conductive；Described first opens
After closing device and the 4th switch device conductive, electric current is in the first switch device, the load with inductance characteristic
Performance loop is formed between loop and the 4th switch；
（4）, the second external control signal control the 4th switching device and disconnect, in the second switch device and
The 4th control signal is formed in connection line between 4th switching device and the first switch device is controlled and is disconnected,
The 5th control signal, the 5th control are formed in connection line between the first switch device and the 3rd switching device
Signal processed controls the second switch break-over of device；
(5）, after the second dead band, the 3rd switching device described in secondary control is open-minded again for the first external control signal, institute
State second switch device and after the 3rd switching device is opened again, electric current is in the second switch device, described with electricity
The load circuit of sense characteristic and the 3rd switch form performance loop；
（6）, repeat the（2）Extremely（5）Step, full-bridge circuit circulation work.
Used as improvement of the present invention, the first external control signal and the second external control signal are containing
State one group of drive signal of the first dead band, second dead band and complementation.
Used as improvement of the present invention, the load circuit with inductance characteristic includes load, and connects with the load
Circuit that is connecing and having inductance characteristic, the circuit with inductance characteristic is for the Load transportation energy, and makes institute
State the perceptual section that full-bridge circuit is operated in the circuit with inductance characteristic.
The present invention another kind of technical scheme be：A kind of self adaptation Novel Soft Switching full bridge driving circuit, including are provided
The full-bridge circuit that one switching device, second switch device, the 3rd switching device and the 4th switching device are constituted, the first switch
Device and the 3rd switching device series connection, the second switch device are connected with the 4th switching device, and described first opens
Close device and the second switch device to be connected with one end of power supply respectively, the 3rd switching device and the 4th derailing switch
Part is connected with the other end of power supply respectively, also includes the load circuit with inductance characteristic, the first external control signal with it is described
The 3rd control end connection of the 3rd switching device, the second external control signal are connected with the 4th control end of the 4th switching device
It is logical；Primary nodal point is provided with connection line between the first switch device and the 3rd switching device, described
Connection line between two switching devices and the 4th switching device is provided with secondary nodal point, and the of the first switch device
One control end is connected with the secondary nodal point, and the second control end of the second switch device is connected with the primary nodal point, institute
State primary nodal point to be connected with the secondary nodal point by the load circuit with inductance characteristic.
Used as improvement of the present invention, the load circuit with inductance characteristic includes load, and connects with the load
Circuit that is connecing and having inductance characteristic, the circuit with inductance characteristic is for the Load transportation energy, and makes institute
State the perceptual section that full-bridge circuit is operated in the circuit with inductance characteristic；The circuit with inductance characteristic is LC electric
Road or inductance.
Used as improvement of the present invention, the load circuit with inductance characteristic includes the load with inductance characteristic.
As improvement of the present invention, also including the first clamp circuit, the two ends of first clamp circuit respectively with electricity
The one end in source and secondary nodal point connection, the first clamp outfan of first clamp circuit are connected with first control end
Connect.
As improvement of the present invention, also including the second clamp circuit, the two ends of second clamp circuit respectively with electricity
The one end in source and primary nodal point connection, the second clamp outfan of second clamp circuit are connected with second control end
Connect.
As improvement of the present invention, the 3rd clamp electricity also including the first inverter circuit and with positive and negative clamp function
Road, the 3rd clamp circuit are connected with the secondary nodal point and the primary nodal point respectively, and the of the 3rd clamp circuit
Three clamp outfans are connected with first control end by first inverter circuit.
As improvement of the present invention, the 4th clamp electricity also including the second inverter circuit and with positive and negative clamp function
Road, the 4th clamp circuit are connected with the secondary nodal point, the primary nodal point and startup resistance respectively, the startup resistance
Be connected with one end of power supply, the 4th clamp circuit the 4th clamp outfan by second inverter circuit with it is described
Second control end connects.
The present invention as the first control end of first switch device being connected with secondary nodal point, the second of second switch device
Control end is connected with primary nodal point, the first external control signal, the second external control signal control respectively the 3rd switching device,
Four switching devices are turned on or off；During driving load, when the 3rd switching device disconnects, cause second switch device
Part disconnects and forms control signal control first switch break-over of device in secondary nodal point, when the 4th switching device disconnects, causes
First switch device disconnects and forms control signal control second switch break-over of device in primary nodal point, it is achieved thereby that intersecting certainly
Swash the function of driving；And also full bridge driving circuit can be expanded, full bridge driving circuit is made by using clamp circuit
It is operated in different power supply voltage ranges, when needing to be operated in high pressure, in addition it is also necessary to using with positive and negative clamp function the
Three clamp circuits, the 4th clamp circuit, the first inverter circuit and the second inverter circuit, and described first for adapting to therewith be electric
Sub- switch, second electrical switch, the 3rd electrical switch, the 4th electrical switch.The full-bridge of the present invention drives electricity
Road has simple circuit, very easily realizes（No-voltage, zero current）Sofe Switch function, switching speed are fast, little, noise is lost
Low, reliability is high, can work at higher frequencies, reduce volume, offer relatively high power density, circuit layout is flexible and answers
Use the advantages of facilitating.
Description of the drawings
Fig. 1 is the circuit diagram of accessory power supply bootstrapping level shift driving full-bridge circuit in prior art.
Fig. 2 is the circuit diagram of transformator driving full-bridge circuit in prior art.
Fig. 3 is a kind of principle frame structure schematic diagram of embodiment of the present invention.
Fig. 4 is the electrical block diagram of embodiment illustrated in fig. 3.
Fig. 5 is the work wave schematic diagram of Fig. 4.
Fig. 6 is the principle frame structure schematic diagram of another kind of embodiment of the present invention.
Fig. 7 is the principle frame structure schematic diagram of the third embodiment of the present invention.
Fig. 8 is the principle frame structure schematic diagram of the 4th kind of embodiment of the present invention.
Fig. 9 is a kind of electrical block diagram of embodiment illustrated in fig. 8.
Figure 10 is another kind of electrical block diagram of embodiment illustrated in fig. 8.
Figure 11 is the principle frame structure schematic diagram of the 5th kind of embodiment of the present invention.
Figure 12 is the electrical block diagram of embodiment illustrated in fig. 10.
Wherein：1. first switch device；2. second switch device；3. the 3rd switching device；4. the 4th switching device；5. have
There is the load circuit of inductance characteristic；51.LC circuits；52. loads；53. loads with inductance characteristic；7. the first clamp circuit；
8. the second clamp circuit；9. the 3rd clamp circuit；10. the 4th clamp circuit；11. first inverter circuits；111. first auxiliary
Power supply；112. first phase inverters；12. second inverter circuits；121. second accessory power supplys；122. second phase inverters.
Specific embodiment
In describing the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as indicating or implies relative importance.Term " installation ", " connection ", " being connected " should be interpreted broadly, for example, it may be solid
Fixed connection, or dismounting connection, or be integrally connected；Can be mechanically connected, or electrically connect；Can be direct
It is connected, or is indirectly connected to by intermediary, can is the connection of two element internals.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in the present invention can be understood with concrete condition.
The present invention provides a kind of self adaptation Novel Soft Switching full-bridge circuit driving method, and a kind of self adaptation Novel Soft Switching is complete
Bridge circuit driving method, including first switch device, second switch device, the 3rd switching device and the 4th switching device composition
Full-bridge circuit, the first switch device and the 3rd switching device series connection, the second switch device are opened with the described 4th
Devices in series is closed, the first switch device and the second switch device are connected with one end of power supply respectively, and the described 3rd opens
Close device and the 4th switching device is connected with the other end of power supply respectively, in the mistake using the full-bridge circuit driving load
Cheng Zhong, the full-bridge circuit function as follows process and are operated：
（1）, after upper electricity completes, the first external control signal controls the 3rd switch device conductive, described first
The first control signal is formed in connection line between switching device and the 3rd switching device and the second switch is controlled
Break-over of device, the second switch device, the load circuit with inductance characteristic and the 3rd switch form performance loop；
（2）, the first external control signal control the 3rd switching device and disconnect, in the first switch device and
The second control signal is formed in connection line between 3rd switching device and the second switch device is controlled and is disconnected；
After the second switch device disconnects, the connection between the second switch device and the 4th switching device
The 3rd control signal is formed in circuit, the 3rd control signal controls the first switch conducting；
（3）, after the first dead band, the second external control signal controls the 4th switch device conductive；Described first opens
After closing device and the 4th switch device conductive, electric current is in the first switch device, the load with inductance characteristic
Performance loop is formed between loop and the 4th switch；
（4）, the second external control signal control the 4th switching device and disconnect, in the second switch device and
The 4th control signal is formed in connection line between 4th switching device and the first switch device is controlled and is disconnected, and
The 5th control signal of formation in connection line between the first switch device and the 3rd switching device, the described 5th
Control signal controls the second switch break-over of device；
（5）, after the second dead band, the 3rd switching device described in secondary control is open-minded again for the first external control signal, institute
State second switch device and after the 3rd switching device is opened again, electric current is in the second switch device, described with electricity
The load circuit of sense characteristic and the 3rd switch form performance loop；
（6）, repeat the（2）Extremely（5）Step, full-bridge circuit circulation work.
In this method, the first external control signal and the second external control signal are dead containing described first
One group of complementary drive signal of area, second dead band and polarity.
In this method, the load circuit with inductance characteristic includes load, and loads being connected and have with described
The circuit of inductance characteristic, the circuit with inductance characteristic is for the Load transportation energy, and makes the full-bridge circuit
It is operated in the perceptual section of the circuit with inductance characteristic.The circuit with inductance characteristic is lc circuit or inductance,
The load is the not load with inductance characteristic, such as resistance, capacitive load, negative resistive load, rectifier bridge or commutator etc..
In this method, the load circuit with inductance characteristic includes the load with inductance characteristic, i.e., when described negative
Carrier has inductance characteristic（Leakage inductance）When, then this load with inductance characteristic can just replace described with inductance characteristic
Circuit in inductance, that is to say, that the inductance in lc circuit can be replaced.
When the load circuit with inductance characteristic includes the load with inductance characteristic, that is to say, that described to have
Inductance characteristic in the load circuit of inductance characteristic is produced by the load with inductance characteristic.At this moment, can be with root
According to being actually needed, in the load circuit with inductance characteristic, to the connection of the load with inductance characteristic or do not connect
Connect inductance（It can also be the circuit containing inductance）.The load with inductance characteristic be transformator, the coil of sensing heating,
Wireless charging transmitting coil, speaker, other Electromagnetic Launching coils, load resistance or commutator etc., here regardless of institute
State which type of structure the load with inductance characteristic is, as long as which has the protection domain that inductance characteristic is all this patent.Need
It is further noted that when using the coil or wireless charging transmitting coil of sensing heating as described with inductance characteristic
During load, in order to reach optimal working effect, the load circuit with inductance characteristic also includes electric capacity, the electric capacity with
The loop that the load in series with inductance characteristic is constituted.
In this method, the first external control signal and the second external control signal be by high level signal come
Control the 3rd switching device and the 4th switch device conductive respectively, and the first external control signal and described
Second external control signal is controlling the 3rd switching device and the 4th switching device respectively by low level signal
Disconnect.
In this method, the 3rd switching device can also be controlled by low level signal and the 4th switching device is led
It is logical, and the 3rd switching device and the 4th switching device disconnection are controlled by high level signal.
In this method, first control signal, the 3rd control signal and the 5th control signal can be low
Level signal, then second control signal and the 4th control signal can be high level signals, then described first opens
Close device and the second switch device is turned on when receiving low level signal, and the first switch device and described second
Switching device is disconnected when receiving high level signal.
In this method, first control signal, the 3rd control signal and the 5th control signal can also be
High level signal, then second control signal and the 4th control signal can be low level signals, then described first
Turn on when switching device and the second switch device receive high level signal, and the first switch device and described the
Two switching devices are disconnected when receiving LOW signal.
In this method, one end of power supply is negative or positive electrode, then the other end of power supply is negative pole or positive pole.Described 3rd opens
It is PMOS or NMOS tube, then the second switch device and the first switch device to close device and the 4th switching device
It is NMOS tube or PMOS.The first switch device, the second switch device, the 3rd switching device and the described 4th
Switching device can be high speed thyristor, turn-off thyristor, power transistor, field-effect transistor or/and insulated gate crystal
Pipe.
Refer to Fig. 3, disclosed in Fig. 3 is a kind of a kind of embodiment of self adaptation Novel Soft Switching full bridge driving circuit
Functional-block diagram, including first switch device 1, second switch device 2, the 3rd switching device 3 and the 4th switching device 4 composition
Full-bridge circuit, the first switch device 1 and the 3rd switching device 3 are connected, the second switch device 2 and the described 4th
Switching device 4 is connected, and first switch device 1 and the second switch device 2 are connected with one end of power supply respectively, and the described 3rd opens
Close device 3 and the 4th switching device 4 is connected with the other end of power supply respectively.
In the present embodiment, also include the load circuit 5 with inductance characteristic, the first external control signal DR3 and described
The 3rd control end connection of three switching devices 3, the second external control signal DR4 are controlled with the 4th of the 4th switching device 4
End connection；Primary nodal point M is provided with connection line between the first switch device 1 and the 3rd switching device 3,
Connection line between the second switch device 2 and the 4th switching device 4 is provided with secondary nodal point N, and described first opens
The first control end for closing device 1 is connected with the secondary nodal point N, the second control end of the second switch device 2 and described the
One node M connects, and the primary nodal point M is connected with the secondary nodal point N by the load circuit 5 with inductance characteristic.
In the present embodiment, first external control signal DR3 and second external control signal DR4 are containing described
One group of drive signal of the first dead band, second dead band and complementation.
In the present embodiment, the load circuit 5 with inductance characteristic includes load 52, and is connected simultaneously with the load 52
Circuit with inductance characteristic, the circuit with inductance characteristic is for loading 52 transmission energies to described, and makes described complete
Bridge circuit is operated in the perceptual section of the circuit with inductance characteristic.The circuit with inductance characteristic is lc circuit
51, the lc circuit 51 can also be replaced with inductance, and the inductance is the distributed inductance of outer coilloading or circuit.The load 52
The not load 52 with inductance characteristic, such as resistance, capacitive load, bear resistive load, rectifier bridge or commutator etc..
In the present embodiment, the load circuit 5 with inductance characteristic includes the load with inductance characteristic, i.e., when described
Load 52 has inductance characteristic（Leakage inductance）When, then this load with inductance characteristic can just replace described with inductance
Inductance in the circuit of characteristic, that is to say, that can replace the inductance in the lc circuit 51, i.e., it is described with inductance characteristic
Load circuit 5 can not directly use inductance, its functional-block diagram to refer to Fig. 6.
In figure 6, the load circuit 5 with inductance characteristic includes the load 53 with inductance characteristic, that is to say, that
Inductance characteristic in the load circuit 5 with inductance characteristic is produced by the load 53 with inductance characteristic.This
When, can also according to actual needs, in the load circuit 5 with inductance characteristic, to described negative with inductance characteristic
Carry 53 connections or be not connected to inductance（It can also be the circuit containing inductance）.The load 53 with inductance characteristic is transformation
Device, the coil of sensing heating, wireless charging transmitting coil, speaker, other Electromagnetic Launching coils, load resistance or commutator
Etc., here no matter which type of structure the load 53 with inductance characteristic is, as long as there is inductance characteristic to be all for which
The protection domain of this patent.Need it is further noted that when the coil or wireless charging transmitting coil using sensing heating is made
For during the load with inductance characteristic, in order to reach optimal working effect, the load with inductance characteristic 53 times
Road also includes electric capacity C9, the loop electric capacity C9 in series with the load 53 with inductance characteristic.
In the present embodiment, the first switch device 1, the second switch device 2, the 3rd switching device 3 and institute
It can be high speed thyristor, turn-off thyristor, power transistor, field-effect transistor or/and insulation to state the 4th switching device 4
Gate transistor.
In the present embodiment, in order that the first switch device 1, the second switch device 2, the 3rd switching device
3 and the 4th switching device 4 be in zero-voltage zero-current working condition, can be by the electricity of lc circuit 51 described in appropriate design
Sense and the value of electric capacity, or select suitable first external control signal DR3 and second external control signal DR4
Operating frequency.
In the present embodiment, first external control signal DR3 and second external control signal DR4 are one group complementary
The switching signal containing dead band, the present embodiment be adapted in the case where supply voltage is relatively low use.
The use principle of the present embodiment is:
（1）, after upper electricity completes, the first external control signal DR3 is opened by the 3rd control end control the described 3rd
Closing device 3 to turn on, the first control signal being formed in the primary nodal point M, first control signal is controlled by described second
End controls the second switch device 2 and turns on, and the second switch device 2, the lc circuit 51, load 52 and the described 3rd are opened
Pass forms performance loop；
（2）, first external control signal DR3 controls the 3rd switching device 3 by the 3rd control end and breaks
Opening, the second control signal being formed in the primary nodal point M, second control signal is described by second control end control
Second switch device 2 disconnects；
After the second switch device 2 disconnects, the 3rd control signal, the 3rd control signal are formed in the secondary nodal point N
The first switch conducting is controlled by first control end；
（3）, after the first dead band, the second external control signal DR4 is opened by the 4th control end control the described 4th
Close device 4 to turn on；After the first switch device 1 and the 4th switching device 4 conducting, electric current is in the first switch device
1st, performance loop is formed between the lc circuit 51, load 52 and the 4th switch；
（4）, second external control signal DR4 controls the 4th switching device 4 by the 4th control end and breaks
Open, the 4th control signal is formed in the secondary nodal point N and control the first switch device 1 and disconnect, and in the first segment
Point M forms the 5th control signal, and the 5th control signal controls the second switch device 2 and turns on；
（5）, after the second dead band, open again by the 3rd switching device 3 described in secondary control for first external control signal DR3
Logical, after the second switch device 2 and the 3rd switching device 3 are opened again, electric current is in the second switch device 2, institute
State lc circuit 51, load 52 and the 3rd switch and form performance loop；
（6）, repeat the（2）Extremely（5）Step, full-bridge circuit circulation work.
In the present embodiment, first external control signal DR3, second external control signal DR4 are by high electricity
Ordinary mail number is turned on controlling the 3rd switching device 3 and the 4th switching device 4 respectively, and the first external control
Signal DR3 and second external control signal DR4 are controlling 3 He of the 3rd switching device respectively by low level signal
4th switching device 4 disconnects.
In the present embodiment, the 3rd switching device 3 and the 4th derailing switch can also be controlled by low level signal
Part 4 is turned on, and controls the 3rd switching device 3 by high level signal and the 4th switching device 4 disconnects.
In the present embodiment, first control signal, the 3rd control signal and the 5th control signal can be
Low level signal, then second control signal and the 4th control signal can be high level signals, then described first
Switching device 1 and the second switch device 2 are turned on when receiving low level signal, and the first switch device 1 and institute
State when second switch device 2 receives high level signal and disconnect.
In the present embodiment, first control signal, the 3rd control signal and the 5th control signal can be with
It is high level signal, then second control signal and the 4th control signal can be low level signals, then described
One switching device 1 and the second switch device 2 are turned on when receiving high level signal, and 1 He of first switch device
The second switch device 2 is disconnected when receiving low level signal.
In the present embodiment, one end of power supply is negative or positive electrode, then the other end of power supply is negative pole or positive pole.Described 3rd
Switching device 3 and the 4th switching device 4 are that PMOS or NMOS tube, then the second switch device 2 and described first are opened
It is NMOS tube or PMOS to close device 1.
Refer to Fig. 4 and Fig. 5, Fig. 4 and Fig. 5 be it is disclosed be embodiment shown in Fig. 3 circuit diagram and work wave
Figure, in the present embodiment, what first switch device 1, second switch device 2, the 3rd switching device 3 and the 4th switching device 4 were adopted
It is pmos fet Q1, pmos fet Q2, nmos fet Q3 and nmos fet
Q4, hereinafter referred to as Q1, Q2, Q3 and Q4, load are transformator T hereinafter referred to as T.Lc circuit 51 include electric capacity C1 and with the electric capacity
The inductance L, hereinafter referred to as C1 and L of C1 series connection.First external control signal DR3 and second external control signal DR4
Hereinafter referred to as DR3 and DR4, the primary nodal point M abbreviations M points, the secondary nodal point N hereinafter referred to as N points, power supply Vin+ is referred to as
Vin+.Supply voltage and running voltage in the full-bridge circuit（DR3 and DR4 magnitudes of voltage）Less than the grid of Q1, Q2, Q3 and Q4
（VGS）When highest is pressure, can just realize that Q1, Q2 self-excitation cross-drive, i.e. the present embodiment are adapted for use with low-voltage full-bridge electricity
Lu Zhong.
In the following description, the no-voltage of Q1, Q2, Q3 and Q4 disconnects or no-voltage conducting refers to the leakage of Q1, Q2, Q3 and Q4
Disconnection or turn on process when pressure reduction between pole and source electrode is substantially zeroed.
The operation principle of the present embodiment is：Starting state, DR3, DR4 are low level, and Q1, Q2 postpone certain hour and also can
Cut-off, when DR3 is by low uprising, Q3 conductings, M point current potentials drop to ground（First control signal）, Q2 also turned on therewith（Normal work
Work is no-voltage conducting）, electric current I1 is by Q2 → T → L → C1 → Q3 → ground.
Through certain hour, DR3 is changed into low level, and as the distribution capacity of Q1, Q3 and Q2 is present, Q3 is disconnected for no-voltage
Open, electric current I1 transition is electric current I2, to the distribution capacity of M points（The distribution capacity of Q1, Q3 and Q2）Charge, promote M point current potentials by
Rise to Vin+（Second control signal）, electric current I1 transition is electric current I2, and now Q2 no-voltages are disconnected (due to Q2, Q4, Q1
Distribution capacity is present), the continuation flowing of electric current I2 makes N point voltages drop to ground potential（3rd control signal）.
Q1 no-voltages are turned on, and Q4 enters zero-voltage state（Pressure reduction between drain electrode and source electrode is substantially zeroed）, the electric current on L
Flow direction is electric current I3 by electric current I2 transition, and following DR4 is changed into high level, Q4 no-voltages conducting, with the continuation stream of electric current I3
It is dynamic（Here the electric current composition that electric current I3 is really two time periods is t6 → t7 and t7 → t8）, electric current I3 to electric capacity C1 charge,
Discharged by T simultaneously, electric current I3 is reduced to 0 quickly.Next under the voltage effect of Vin and electric capacity C1, the current transition on L
For electric current I4（By Q1 → C1 → L → T → Q4) direction (realize electric current commutate）And start to gradually rise, and electric current is provided to T.
After a period of time, Q4 no-voltages disconnect, and electric current I4 is to N point distribution capacity（The distribution capacity of Q2, Q1 and Q4）
Charge, N point voltages rise to Vin+（4th control signal）, electric current I4 flow direction change into electric current I5.In this process, Q1 zero
Voltage disconnects, and electric current I5 drops to ground to M point distribution capacity reverse chargings, M point voltages（5th control signal）.In this process
In, the conducting of Q2 no-voltages, behind dead band, DR3 is changed into high level, the conducting of Q3 no-voltages, and current direction by electric current I5 transition is
Electric current I6（It is t2 → t3 and t3 → t4 that I6 is really two parts electric current composition）, after electric current I6 is reduced to zero, electric current I6 was flowed to
Cross as electric current I1, complete a working cycle.Again after a period of time, DR3 is changed into low level, and Q3 no-voltages disconnect, electric current
I1 flows to transition for electric current I2.Then repeat the above-mentioned course of work and continue up down.
Refer to Fig. 7, disclosed in Fig. 7 is a kind of the third enforcement of self adaptation Novel Soft Switching full bridge driving circuit
Example, shown in its structure and Fig. 3, the structure of embodiment is essentially identical, no longer carries out repeated description to identical structure here.
Difference is, in the present embodiment, also including diode D1, diode D2, diode D3 and diode D4, diode D1, two
Pole pipe D2, diode D3 and diode D4 distinguish corresponding first switch device 1, second switch device 2, the 3rd derailing switch
Part 3 and the 4th switching device 4 are in parallel, and provide reverse current path for which.Outside the first external control signal DR3 and second
When the dead band come between control signal DR4 is smaller, and the first switch device 1, the second switch device 2,
When 3rd switching device 3 and the 4th switching device 4 have reverse parasitic diode to provide backward channel, can be by two poles
Pipe D1, diode D2, diode D3 and diode D4 are saved.
Refer to Fig. 8, disclosed in Fig. 8 is a kind of the 4th kind of embodiment of self adaptation Novel Soft Switching full bridge driving circuit
Block diagram, shown in its structure and Fig. 3, the structure of embodiment is essentially identical.Difference is, also including the first clamp electricity
Road 7 and the second clamp circuit 8.
In the present embodiment, in the full-bridge circuit supply voltage, the voltage of primary nodal point M and secondary nodal point N voltage
When excursion is pressure more than the second control end highest of first control end and second switch device 2 of first switch device 1, lead to
Cross and use first clamp circuit 7 and 8 strangulation of the second clamp circuit, make the magnitude of voltage after strangulation meet first control
End processed and the safe motivation value of second control end, so that the first switch device 1 and the second switch device 2 are real
Existing self-excitation cross-drive.The full bridge driving circuit of this structure is suitable in the higher full bridge driving circuit of voltage ratio.
In embodiment, the two ends of first clamp circuit 7 are connected with one end of power supply and secondary nodal point N respectively, described
First clamp outfan of the first clamp circuit 7 is connected with first control end.
In the present embodiment, the two ends of second clamp circuit 8 are connected with one end of power supply and primary nodal point M respectively, institute
The the second clamp outfan for stating the second clamp circuit 8 is connected with second control end.
In the present embodiment, the first switch device 1, the second switch device 2, the 3rd derailing switch can also be given
Part 3 and the 4th switching device 4 all correspondingly diodes in parallel（It is not shown）.
Refer to Fig. 9, disclosed in Fig. 9 is the circuit diagram of embodiment shown in Fig. 8, in fig .9, first switch device 1,
Second switch device 2, the 3rd switching device 3 and the 4th switching device 4 use pmos fet Q1, PMOS fields effect
Answer transistor Q2, nmos fet Q3 and nmos fet Q4, hereinafter referred to as Q1, Q2, Q3 and Q4.
In the present embodiment, first clamp circuit 7 includes resistance R1, Zener diode Z1 and electric capacity C2, the resistance
R1 and the Zener diode Z1 are in parallel, and the first public connecting end after its parallel connection is connected with power supply Vin+, and second is commonly connected
End is connected with one end of Q1 grids and electric capacity C2 respectively, and the other end of electric capacity C2 is connected with secondary nodal point N.
In the present embodiment, second clamp circuit 8 includes resistance R2, Zener diode Z2 and electric capacity C3, the resistance
R2 and the Zener diode Z2 are in parallel, and the first public connecting end after its parallel connection is connected with power supply Vin+, and second is commonly connected
End is connected with one end of Q2 grids and electric capacity C3 respectively, and the other end of electric capacity C3 is connected with primary nodal point M.
In the present embodiment, can be to be correspondingly improved on the basis of first clamp circuit 7, i.e., in the electric capacity
Connect between C2 and Q1 grids a resistance R11（Refer to Figure 10）.Can be doing on the basis of second clamp circuit 8
It is correspondingly improved, i.e., connect between the electric capacity C3 and Q2 grids a resistance R22（Refer to Figure 10）.Due to strangulation
The clamp circuit of voltage function has a lot, no longer illustrates one by one here, as long as the circuit with clamp voltage function is all
The protection domain of the present embodiment.
Refer to Figure 11, disclosed in Figure 11 is a kind of the 5th kind of enforcement of self adaptation Novel Soft Switching full bridge driving circuit
The block diagram of example, its structure are identical with the basic structure of embodiment shown in Fig. 3.Difference is, also anti-phase including first
Device circuit 11, the second inverter circuit 12, the 3rd clamp circuit 9 with positive and negative clamp function and with positive and negative clamp function
4th clamp circuit 10.
The effect of the 3rd clamp circuit 9 and first inverter circuit 11 be make it is processed after be finally transferred to
The signal of the first control end meets the requirement of the running voltage and phase place of first control end.4th clamp circuit, 10 He
The effect of second inverter circuit 12 be make it is processed after be finally transferred to the signal of the second control end and meet described second
The requirement of the running voltage and phase place of control end, so that first switch device 1 and second switch device 2 realize that self-excitation intersects driving
It is dynamic.The full bridge driving circuit of this structure is adapted to high pressure full-bridge circuit.It is also to be remarked additionally here to be：Here described
One switching device 1, the drive signal of the second switch device 2 are the changes by the primary nodal point M, the secondary nodal point N
Get in return, either directly conversion is obtained, or indirect conversion is obtained, and belongs to the protection domain of patent of the present invention.
In the present embodiment, the 3rd clamp circuit 9 is connected with the secondary nodal point N and the primary nodal point M respectively, institute
The 3rd clamp outfan for stating the 3rd clamp circuit 9 is connected with first control end by first inverter circuit 11.
In the present embodiment, first inverter circuit 11 includes the first phase inverter and provides electricity for first phase inverter
First accessory power supply of energy.The input voltage of 9 pairs of first phase inverters of the 3rd clamp circuit is clamped, after making strangulation
Voltage meet the input voltage requirement of first phase inverter.
In the present embodiment, the 4th clamp circuit 10 respectively with the secondary nodal point N, the primary nodal point M and startup
Resistance R3 connects, and the startup resistance R3 is connected with one end of power supply, the 4th clamp outfan of the 4th clamp circuit 10
It is connected with second control end by second inverter circuit 12.
In the present embodiment, second inverter circuit 12 includes the second phase inverter and provides electricity for second phase inverter
Second accessory power supply of energy.The input voltage of 10 pairs of second phase inverters of the 4th clamp circuit is clamped, and makes strangulation
Voltage afterwards meets the input voltage requirement of second phase inverter.
Refer to Figure 12, disclosed in Figure 12 is the circuit diagram of embodiment shown in Figure 11, in fig. 12, first switch device
What part 1, second switch device 2, the 3rd switching device 3 and the 4th switching device 4 were adopted is all nmos fet or exhausted
Edge gate transistor.
In the present embodiment, the first inverter circuit 11 includes the first phase inverter 112 and provides for first phase inverter 112
First accessory power supply 111 of electric energy, first accessory power supply 111 include electric capacity C6 and Zener diode Z3, electric capacity C6 and steady
Diode Z3 is in parallel for pressure, and the first common port after parallel connection is connected with a power supply side of first phase inverter 112, and second
Common port is connected with secondary nodal point M, and another power supply side of first phase inverter 112 is connected with the secondary nodal point M,
The inversion signal outfan of first phase inverter 112 is connected with the first control end of first switch device 1.First auxiliary
Power supply 111 can be other power supplys, and differ an illustration here, as long as electricity is provided for first inverter circuit 11
The circuit of energy belongs to the protection domain of first accessory power supply 111.
In the present embodiment, the 3rd clamp circuit 9 includes electric capacity C4, diode D5 and diode D6, the one of electric capacity C4
End is connected with secondary nodal point N, the other end of electric capacity C4 positive pole respectively with diode D5, the negative pole of diode D6 and described first
The signal input part connection of phase inverter 112, the negative pole of diode D5 are connected with a power supply side of first phase inverter 112
Connect, the positive pole of diode D6 is connected with the primary nodal point M.
In the present embodiment, second inverter circuit 12 includes the second phase inverter 122 and is second phase inverter 122
The second accessory power supply 121 of electric energy is provided, second accessory power supply 121 includes electric capacity C7 and Zener diode Z4, electric capacity C7
In parallel with Zener diode Z4, the first common port after parallel connection is connected with a power supply side of second phase inverter 122,
Second common port is connected with the secondary nodal point N, another power supply side and the second section of second phase inverter 122
Point N connects, and the inversion signal outfan of second phase inverter 122 is connected with the second control end of second switch device 2.It is described
Second accessory power supply 121 can be other power supplys, and differ an illustration here, as long as it is second inverter circuit
The circuit of 12 offer electric energy belongs to the protection domain of second accessory power supply 121.
In the present embodiment, the 4th clamp circuit 10 includes electric capacity C5, diode D7 and diode D8, the one of electric capacity C5
End is connected with the primary nodal point M, the other end of electric capacity C5 positive pole respectively with diode D7, the negative pole of diode D8 and described
The signal input part connection of the second phase inverter 122, the negative pole of a diode D7 power supply respectively with second phase inverter 122
Feeder ear and start one end connection of resistance R3, the other end for starting resistance R3 is connected with power supply, the positive pole of diode D8 and institute
State secondary nodal point N connections.
In the present embodiment, the first switch device 1, the second switch device 2, the 3rd derailing switch can also be given
Part 3 and the 4th switching device 4 all correspondingly diodes in parallel（It is not shown）.
In the present embodiment, the first external control signal end DR3 and the second external control signal end DR4 hereinafter referred to as DR3 and
DR4, the primary nodal point M abbreviations M points, the secondary nodal point N hereinafter referred to as N points.
The operation principle of the present embodiment is：Starting state, DR3, DR4 are all low level, the 3rd switching device 3, institute
State the 4th switching device 4 to be off；By the result that resistance R3 charges is started, postpone the regular hour, N points and M points are equal
There is higher current potential, the first switch device 1 disconnects.Next DR3 is changed into high level, and the 3rd switching device 3 is turned on,
M points rapidly drop to ground potential, and electric current I33 Jing D8 charge to C5, make the input of second phase inverter 122 be changed into low level,
Second phase inverter 122 is output as high level, and the second switch device 2 is turned on.Due to the second switch device 2 and institute
State the 3rd switching device 3 to simultaneously turn on, now N points current potential is Vin+, and the current potential of M points is ground level, and the electric current Jing San Road of N points is flowed
Enter M points, this three roads electric current is respectively：1）Electric current I11 Jing load → lc circuits → M points, while providing electric current to load；2）Electric current
I22 Jing C4 → D5 → C6 → M points, charge to C6, and the electric energy stored on C6 is powered for first phase inverter 112；3）Electric current I33
Jing D8 → C5 → M points, cause 122 input of the second phase inverter for electronegative potential, and 122 outfan of the second phase inverter is
High potential, makes the second switch device 2 maintain conducting.
After a period of time, DR3 current potentials are changed into low level, the 3rd switching device 3（No-voltage）Disconnect, electric current
The continuation flowing of I11 makes M points rise to Vin+, and the discharge current I55 of C5 is by C5 Jing D7 → C7 → N points, while charge to C7, C7
The electric energy of upper storage is powered for second phase inverter 122.Now 122 input of the second phase inverter is high level, is exported
Hold as low level, the second switch device 2（No-voltage）Disconnect, the continuation flowing of electric current I11 makes the current potential of N points be changed into ground electricity
Position.Now electric current I66 Jing D6 → C4 → N points, make the input of the first phase inverter 112 be low level, are output as high level, described
First switch device 1（No-voltage）Conducting, now M points are Vin+, and N points current potential is ground potential, while electric current I55 Jing C5 → D7 →
C7 → N points, charge to C7, and behind dead band, DR4 is changed into high level, the 4th switching device 4 (no-voltage) conducting.
Electric current I11 transition is electric current I44, electric current I44 1 → lc circuit of first switch device 5 → loads by described in Vin+ Jing
→ the 4th switching device 4 provides electric current to load to ground.After a period of time, DR4 is changed into low level, and the described 4th
Switching device 4（No-voltage）Disconnect, the continuation flowing of electric current I44 promotes N point current potentials to Vin+, the discharge current electric current I22 of C4
Jing N points → C4 → D5 → C6 → M points, make the first phase inverter input be high level, are output as low level, the first switch
Device 1（No-voltage）Disconnect.The continuation flowing of electric current I44 makes the current potential of M points drop to ground potential, and the electric current of electric current I33 makes described
The input of second phase inverter 122 is low level, is output as high level, the second switch device 2（No-voltage）Conducting, electric current I22
Jing C4 → D5 charges to C6, makes the input of the first phase inverter 112 be clamped at high level, is output as low level, remains described
1 off-state of first switch device.Behind dead band, DR3 is changed into high level, the 3 (no-voltage of the 3rd switching device）Conducting,
Electric current I44 transition is that electric current I11 repeats process above.
Claims (10)
1. a kind of self adaptation Novel Soft Switching full-bridge circuit driving method, including first switch device, second switch device, the 3rd
The full-bridge circuit that switching device and the 4th switching device are constituted, the first switch device and the 3rd switching device series connection,
The second switch device is connected with the 4th switching device, and the first switch device and the second switch device are distinguished
It is connected with one end of power supply, the 3rd switching device and the 4th switching device are connected with the other end of power supply respectively, its
It is characterised by：During using the full-bridge circuit driving load, the full-bridge circuit functions as follows process and carries out work
Make：
（1）, after upper electricity completes, the first external control signal controls the 3rd switch device conductive, in the first switch
The first control signal is formed in connection line between device and the 3rd switching device and the second switch device is controlled
Conducting, the second switch device, the load circuit with inductance characteristic and the 3rd switch form performance loop；
（2）, the first external control signal control the 3rd switching device and disconnect, in the first switch device and described
The second control signal is formed in connection line between 3rd switching device and the second switch device is controlled and is disconnected；Described
After two switching devices disconnect, the 3rd in the connection line between the second switch device and the 4th switching device, is formed
Control signal, the 3rd control signal control the first switch conducting；
（3）, after the first dead band, the second external control signal controls the 4th switch device conductive；The first switch device
After part and the 4th switch device conductive, electric current is in the first switch device, the load circuit with inductance characteristic
Performance loop is formed and the 4th switch between；
（4）, the second external control signal control the 4th switching device and disconnect, in the second switch device and described
The 4th control signal is formed in connection line between 4th switching device and the first switch device is controlled and is disconnected, described
The 5th control signal, the 5th control letter are formed in connection line between first switch device and the 3rd switching device
Number control second switch break-over of device；
(5）, after the second dead band, the 3rd switching device described in secondary control is open-minded again for the first external control signal, described
After two switching devices and the 3rd switching device are opened again, electric current is in the second switch device, described special with inductance
Property load circuit and it is described 3rd switch form performance loop；
（6）, repeat the（2）Extremely（5）Step, full-bridge circuit circulation work.
2. self adaptation Novel Soft Switching full-bridge circuit driving method according to claim 1, it is characterised in that：Described first
External control signal and the second external control signal are containing first dead band, second dead band and complementation one
Group drive signal.
3. self adaptation Novel Soft Switching full-bridge circuit driving method according to claim 1 and 2, it is characterised in that：It is described
Load circuit with inductance characteristic includes load, and loads circuit that is being connected and having inductance characteristic, the tool with described
There is the circuit of inductance characteristic for the Load transportation energy, and be operated in the full-bridge circuit and described there is inductance characteristic
Circuit perceptual section.
4. a kind of self adaptation Novel Soft Switching full bridge driving circuit, including first switch device, second switch device, the 3rd switch
The full-bridge circuit that device and the 4th switching device are constituted, the first switch device and the 3rd switching device series connection, it is described
Second switch device is connected with the 4th switching device, the first switch device and the second switch device respectively with electricity
One end connection in source, the 3rd switching device and the 4th switching device are connected with the other end of power supply respectively, its feature
It is：Also include the load circuit with inductance characteristic, the first external control signal is controlled with the 3rd of the 3rd switching device
End connection processed, the second external control signal are connected with the 4th control end of the 4th switching device；In the first switch device
Connection line between part and the 3rd switching device is provided with primary nodal point, in the second switch device and the described 4th
Connection line between switching device is provided with secondary nodal point, the first control end and the second section of the first switch device
Point connection, the second control end of the second switch device are connected with the primary nodal point, and the primary nodal point passes through the tool
The load circuit for having inductance characteristic is connected with the secondary nodal point.
5. self adaptation Novel Soft Switching full bridge driving circuit according to claim 4, it is characterised in that：It is described with inductance
The load circuit of characteristic include load, and with it is described load be connected and with inductance characteristic circuit, it is described with inductance spy
Property circuit for the Load transportation energy, and make the full-bridge circuit be operated in the circuit with inductance characteristic
Perceptual section；The circuit with inductance characteristic is LC circuits or inductance.
6. self adaptation Novel Soft Switching full bridge driving circuit according to claim 4, it is characterised in that：It is described with inductance
The load circuit of characteristic includes the load with inductance characteristic.
7. the self adaptation Novel Soft Switching full bridge driving circuit according to claim 4,5 or 6, it is characterised in that：Also include
First clamp circuit, the two ends of first clamp circuit are connected with one end of power supply and the secondary nodal point respectively, and described
First clamp outfan of one clamp circuit is connected with first control end.
8. self adaptation Novel Soft Switching full bridge driving circuit according to claim 7, it is characterised in that：Also include the second pincers
Position circuit, the two ends of second clamp circuit are connected with one end of power supply and the primary nodal point respectively, second clamp
Second clamp outfan of circuit is connected with second control end.
9. the self adaptation Novel Soft Switching full bridge driving circuit according to claim 4,5 or 6, it is characterised in that：Also include
First inverter circuit and the 3rd clamp circuit with positive and negative clamp function, the 3rd clamp circuit is respectively with described second
Node and primary nodal point connection, the 3rd clamp outfan of the 3rd clamp circuit pass through first inverter circuit
It is connected with first control end.
10. self adaptation Novel Soft Switching full bridge driving circuit according to claim 9, it is characterised in that：Also include second
Inverter circuit and the 4th clamp circuit with positive and negative clamp function, the 4th clamp circuit respectively with the second section
Point, the primary nodal point and startup resistance connection, the startup resistance are connected with one end of power supply, the 4th clamp circuit
4th clamp outfan is connected with second control end by second inverter circuit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510187225.7A CN104811019B (en) | 2015-04-21 | 2015-04-21 | Self-adaptive novel soft switching full-bridge circuit driving method and full-bridge driving circuit |
| PCT/CN2016/079522 WO2016169446A1 (en) | 2015-04-21 | 2016-04-16 | Drive method for self-adaptive soft-switch full-bridge circuit, and full-bridge drive circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510187225.7A CN104811019B (en) | 2015-04-21 | 2015-04-21 | Self-adaptive novel soft switching full-bridge circuit driving method and full-bridge driving circuit |
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| Publication Number | Publication Date |
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| CN104811019A CN104811019A (en) | 2015-07-29 |
| CN104811019B true CN104811019B (en) | 2017-05-03 |
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| CN104811019B (en) * | 2015-04-21 | 2017-05-03 | 吴秀昌 | Self-adaptive novel soft switching full-bridge circuit driving method and full-bridge driving circuit |
| GB201721612D0 (en) | 2017-12-21 | 2018-02-07 | British American Tobacco Investments Ltd | Circuitry for a plurality of induction elements for an aerosol generating device |
| GB201721610D0 (en) * | 2017-12-21 | 2018-02-07 | British American Tobacco Investments Ltd | Circuitry for an induction element for an aerosol generating device |
| CN108111004B (en) * | 2017-12-29 | 2019-10-29 | 电子科技大学 | A kind of hybrid device for realizing Si IGBT Sofe Switch characteristic |
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|---|---|---|---|---|
| CN102664551A (en) * | 2012-05-11 | 2012-09-12 | 德州三和电器有限公司 | Self-driven power frequency synchronous phase conversion full-bridge circuit |
| DE202015100689U1 (en) * | 2015-02-12 | 2015-03-09 | Asia Vital Components (China) Co., Ltd. | Drive circuit for motor to reduce the switching loss |
| CN204633583U (en) * | 2015-04-21 | 2015-09-09 | 吴秀昌 | Self adaptation Novel Soft Switching full bridge driving circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6897682B2 (en) * | 2002-06-06 | 2005-05-24 | International Rectifier Corporation | MOSgate driver integrated circuit with adaptive dead time |
| JP2005269855A (en) * | 2004-03-22 | 2005-09-29 | Matsushita Electric Ind Co Ltd | Dc motor drive circuit |
| CN202550916U (en) * | 2012-05-11 | 2012-11-21 | 德州三和电器有限公司 | Self-driven power frequency synchronization phase-changing full bridge circuit |
| CN202737729U (en) * | 2012-07-25 | 2013-02-13 | 宁波中焱光伏科技有限公司 | Upper leg driving circuit of H bridge inversion circuit |
| CN104811019B (en) * | 2015-04-21 | 2017-05-03 | 吴秀昌 | Self-adaptive novel soft switching full-bridge circuit driving method and full-bridge driving circuit |
-
2015
- 2015-04-21 CN CN201510187225.7A patent/CN104811019B/en active Active
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- 2016-04-16 WO PCT/CN2016/079522 patent/WO2016169446A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664551A (en) * | 2012-05-11 | 2012-09-12 | 德州三和电器有限公司 | Self-driven power frequency synchronous phase conversion full-bridge circuit |
| DE202015100689U1 (en) * | 2015-02-12 | 2015-03-09 | Asia Vital Components (China) Co., Ltd. | Drive circuit for motor to reduce the switching loss |
| CN204633583U (en) * | 2015-04-21 | 2015-09-09 | 吴秀昌 | Self adaptation Novel Soft Switching full bridge driving circuit |
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| WO2016169446A1 (en) | 2016-10-27 |
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