CN107017794A - Isolated non-inductance electric heating source converting system and its method - Google Patents
Isolated non-inductance electric heating source converting system and its method Download PDFInfo
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- CN107017794A CN107017794A CN201610059396.6A CN201610059396A CN107017794A CN 107017794 A CN107017794 A CN 107017794A CN 201610059396 A CN201610059396 A CN 201610059396A CN 107017794 A CN107017794 A CN 107017794A
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- circuit
- isolated
- bus
- power bus
- isolated power
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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
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Induction Heating (AREA)
- Inverter Devices (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a kind of isolated non-inductance electric heating source converting system and its method.The isolated non-inductance electric heating source converting system includes secondary side controlling bus, and it is driven by isolated power-supply controller of electric, and it includes oscillator and logic circuit, isolated power-supply controller of electric and multiple switch.At least one on-off circuit is connected to isolated power bus.Isolated power-supply controller of electric can provide control switching signal at least one on-off circuit, to drive isolated power bus.
Description
Technical field
The present invention relates to a kind of power conversion system, particularly a kind of sync driver and one kind have two
Secondary side center tap coil it is equivalent isolated without inductance high bandwidth transformer.It is the invention further relates to this
The power conversion method of system.
Background technology
Many power conversion systems include AC/DC and the isolated electric charge conversion of DC-DC.Straight
Flow filament drive and apply upper, power-switching circuit so is referred to as converter, and is driven in exchange filament
Dynamic application is upper, then is referred to as inverter, and it has the cut-off for being connected to secondary side center tap coil inclined
Pressure.In this application, this cut-off bias can reduce the noise of vacuum display device.
Fig. 1 is an example of traditional power conversion system, in this example, there is a transformer
Between primary side supply area and secondary side supply area, to reach voltage conversion and isolation.Used one
In the simple conversion circuit of filament drive, the center that cut-off bias voltage 104 passes through second siding ring
Tap is connected to transformer.At least one switch 102 quickly switches under the control of oscillator 101,
Electric current is set to flow back to DC source, first siding ring by one end of transformer 103 by two alternate paths
The secondary side circuit that switches in of electric current alternating direction produces alternating current (AC)；Should in some vacuum display devices
In, Zener (Zenor) diode is connected to center tap coil to form Dc bias.
Fig. 2 is Fig. 1 direct current output simple version, in this version, an extra diode bridge
201 and one bulky capacitor 202 be connected to the second siding ring of transformer, with alternating current is carried out rectification and
Filtering.
The present invention can overcome shortcoming of the prior art and can provide extra surcharge, this hair
Bright transformer, the Schottky (Shottky) of low pressure drop that can avoid using big volume, costliness and low bandwidth
Diode and electrochemical capacitor not environmentally.
The content of the invention
In view of above-mentioned the problems of the prior art, one of purpose of the invention is just to provide one kind
New-type circuit, it uses multiple transistors, and can avoid using Schottky diode and large-scale transformation
Device, can isolate primary side and secondary side circuit, and by primary side circuit transmission electric power to secondary side electricity
Road, to reduce power attenuation and component size.
According to a kind of isolated non-inductance electric heating source converting system of proposition of the wherein mesh of the present invention, it is used for
By noninductive Power convert into exchange/DC-isolation formula power supply, this system can be total comprising isolated power supply
Line, electric charge Transmission system and the integrated circuit for including multiple metal-oxide half field effect transistors, wherein electric charge are passed
Defeated system includes isolated power bus controller；Oscillator, it can provide clock signal to isolated
Power bus controller；Time delay bus, it is total to isolated power supply that it can provide time delay signal
Lane controller, to postpone during unlatching that multiple secondary side switches are controlled by isolated power bus controller
Between, wherein, after multiple primary sides switch is closed, the opening time of multiple secondary side switches is prolonged
A slow preset time is interval；Bias bus, it can provide Dc bias to load, and it is with putting on change
The Dc bias of the center tap coil of depressor is equivalent；Primary side controlling bus, it can produce primary side
Control signal to multiple primary sides are switched；Secondary side controlling bus, it can produce secondary side control signal
To multiple secondary side switches；An at least on-off circuit, it can be coupled with isolated power bus；At least
One switch controlling bus, it can control the switching of an at least on-off circuit and transmits electric charge to isolated electricity
The electric charge Transmission system of source bus；And an at least bus switches, it can offset comprising an at least level
Device, to adjust the signal of control secondary side switches.
According to the wherein purpose of the present invention, a kind of isolated non-inductance electric heating source converting system is reintroduced,
Comprising：The upper on-off circuit of outer circulation and the lower on-off circuit of outer circulation, the upper on-off circuit of outer circulation
The upside of isolated power bus can be coupled to, the lower on-off circuit of outer circulation can be coupled to isolated electricity
The downside of source bus, wherein, the upper on-off circuit of outer circulation and the lower on-off circuit of outer circulation can be included
Simultaneous switching circuit, it can be used for transmission electric charge to isolated power bus；The upper switch electricity of interior circulation
Road and the lower on-off circuit of interior circulation, the upper on-off circuit of interior circulation can be coupled in power inverter application
The downside of isolated power bus, the lower on-off circuit of interior circulation can be coupled to isolated power bus
Upside, wherein, the upper on-off circuit of interior circulation and the lower on-off circuit of interior circulation include synchro switch electricity
Road, available for transmission electric charge to isolated power bus；The upper on-off circuit of interior circulation is in Power convert
And the upside of isolated power bus can be coupled in isolated data transmission applications, open under interior circulation
Powered-down road can be coupled under isolated power bus in Power convert and isolated data transmission applications
Side, wherein, the upper on-off circuit of interior circulation and the lower on-off circuit of interior circulation can include synchro switch electricity
Road, available for transmission electric charge to isolated power bus；Wherein, when upper on-off circuit and lower switch electricity
When road is closed, the upper voltage for putting on on-off circuit and the lower voltage for putting on lower on-off circuit be every
From, secondary side controlling bus circuit is used to control on-off circuit and lower on-off circuit.
Wherein, the upper voltage for putting on on-off circuit and the lower voltage for putting on lower on-off circuit are same
Step；This circuit can include at least one bootstrapping level converter, its offset logic level to secondary side control
Bus level processed, to control the switching of upper on-off circuit and lower on-off circuit.
A kind of isolated non-inductance electric heating source conversion method is reintroduced according to a further object of the present invention, it can
For isolated non-inductance electric heating source converting system.The method can be comprised the steps of：It is real using Two-way Cycle
Now exchange and direct current electric charge Transmission system, the wherein upper on-off circuit of outer circulation can be coupled to isolated electricity
The upside of source bus, the lower on-off circuit of outer circulation can be coupled to the downside of isolated power bus, its
In, the upper on-off circuit of outer circulation and the lower on-off circuit of outer circulation can include simultaneous switching circuit, can
For transmitting electric charge to isolated power bus；In power inverter application, the upper switch electricity of interior circulation
Road can be coupled to the downside of isolated power bus, and the lower on-off circuit of interior circulation can be coupled to isolation
The upside of formula power bus, wherein, the lower on-off circuit of interior circulation and the upper on-off circuit of interior circulation can
Comprising simultaneous switching circuit, available for transmission electric charge to isolated power bus；Simple subprogram then can be defeated
Go out pulsating direct current；In Power convert and isolated data transmission applications, the upper on-off circuit of interior circulation
Can be coupled to isolated power bus upside, and the lower on-off circuit of interior circulation can be coupled to it is isolated
The downside of power bus, wherein, the lower on-off circuit of interior circulation and the upper on-off circuit of interior circulation can be wrapped
Containing simultaneous switching circuit, available for transmission electric charge to isolated power bus；Put on on-off circuit
Upper voltage isolate with putting on the lower voltage of lower on-off circuit with primary side；At least one switch control is provided
Bus processed, its can comprising level off-centre circuit with according to offset voltage bus potential with offseting primary side
Reference switch controlling bus to secondary side switches controlling bus level；And an at least resistor chain is provided
Primary side power-cycled is connected to, it includes at least one switch controlling bus, for receiving I2C decodings
The instruction of device changes overall partial pressure resistance, and then changes the magnitude of voltage of primary side and secondary side.
Extra feature and advantage can be realized by the technology of the present invention, and the present invention is described herein
Other embodiments and viewpoint all should cover in the invention of opinion.
By the follow-up narration of the present invention and the schema of correlation, present invention others feature and advantage will become
Be more fully apparent from.
Brief description of the drawings
Fig. 1 is the schematic diagram of an embodiment of traditional power supply change-over device；
Fig. 2 is the schematic diagram of another embodiment of traditional power supply change-over device；
The signal of one embodiment of the isolated non-inductance electric heating source converting system that Fig. 3 provides for the present invention
Figure, it can provide exchange output and pulsating direct current output；
Fig. 4 is the mode chart of Fig. 6 circuit；
The signal of another embodiment for the isolated non-inductance electric heating source converting system that Fig. 5 provides for the present invention
Figure, it can provide synchronous direct current output；
The numeral of another embodiment for the isolated non-inductance electric heating source converting system that Fig. 6 provides for the present invention
Isolator schematic diagram, it can provide synchronous direct current output and data transfer；
The numeral of another embodiment for the isolated non-inductance electric heating source converting system that Fig. 7 provides for the present invention
Isolator schematic diagram, its value for changing power-cycled is compensated as dynamic control to be exported.
Description of reference numerals：102- is switched；103- transformers；104- cut-off bias voltages；The poles of 201- bis-
Pipe bridge；202- bulky capacitors；30th, 50,60, the isolated non-inductance electric heating source converting systems of 70-；301、
The isolated power bus of 302-；311st, 511,611- oscillators and logic circuit；312、512、612-
Isolated power bus controller；321、322、323、324、521、522、523、524、621、
622nd, 623,624- primary sides switch；326、327、328、329、526、527、528、529、
626th, 627,628,629- secondary side switches；351、352、551、552、592、651、652-
Form-factor controls electric capacity；371st, 571- power-cycleds；381st, 581,681- secondary side controlling bus；
382nd, 582,682- time delay buses；383rd, 583,683- bias bus；384、584、684-
Primary side controlling bus；391st, 591,601- loads；The isolated level deviators of 602-；701、702-
Resistance；703-I2C decoders；704- power supplys；S- source electrodes；D- drains；G- gates；D1, D2- bis-
Pole pipe.
Embodiment
Hereinafter with reference to correlative type, illustrate that system is changed in the isolated non-inductance electric heating source provided according to the present invention
The embodiment of system and its method, to make to readily appreciate, the similar elements in following embodiments are with identical
Symbology illustrates.
An implementation of the isolated non-inductance electric heating source converting system that the present invention is provided has been illustrated in Fig. 3
The schematic diagram of example, it can provide exchange output.This isolated non-inductance electric heating source converting system 30 can be included
Isolated power bus 301 and 302, electric charge Transmission system and include multiple metal-oxide half field effect transistors
Integrated circuit, wherein electric charge Transmission system can comprising isolated power bus controller 312, vibration
Device and logic circuit 311, time delay bus 382, bias bus 383, primary side controlling bus 384,
Secondary side controlling bus 381, at least an on-off circuit, at least one switch controlling bus and at least one open
Close bus.Oscillator and logic circuit 311 can provide clock signal to isolated power bus controller
312.Time delay bus 382 can provide time delay signal to isolated power bus controller 312,
To postpone multiple secondary side switches 326,327,328,329 by isolated power bus controller 312
The opening time of control, wherein, after multiple primary sides switch 321,322,323,324 is closed,
It is interval that the opening time of multiple secondary side switches 326,327,328,329 can be delayed by a preset time.
Bias bus can provide Dc bias to load 391.Primary side controlling bus 384 can produce primary side
Control signal to the plurality of primary side switchs 321,322,323,324.Secondary side controlling bus 381
Secondary side control signal can be produced to the plurality of secondary side switches 326,327,328,329.Switch control
Bus processed can control an at least on-off circuit switching and transmission electric charge to isolated power bus 301,
302 electric charge Transmission system.An at least bus switches can include an at least level deviator, and its is adjustable
Entire signal is with the operation of sharp the plurality of secondary side switches 326,327,328,329.
As shown in figure 3, oscillator and logic circuit 311 produce the phase frequency of two tool time delays,
It can be reduced through distortion, and primary side switchs and be biased to equivalent center tap coil.In phase 1,
The voltage that power-cycled 371 is produced is imported into form-factor control electricity via primary side switch 321,322
Hold 351, and form-factor control electric capacity 352 then directly passes through the control of secondary side controlling bus 381
The injection of secondary side switches 329,328 isolates electric charge to output loading 391.
As shown in figure 3, in phase 2, the alternating path directly controlled in secondary side controlling bus 381
Footpath is by secondary side switches 326,327, and the form-factor control injection isolation of electric capacity 351 Charged Couple is extremely
Output loading 391, and the electric charge that power-cycled 371 is produced is led via primary side switch 323,324
Enter form-factor control electric capacity 352.Exchange is alternately produced via interior circulation and the outer circulation sense of current
Electricity extremely load 391.It is switch operating cycle, electric capacity, input voltage, load to export rms voltage
And the function of the conduction resistance value of transistor.
Isolation electric charge transmission is that alternately transmission is coupled to by isolation waveform factor controlling electric capacity 351,352
Load, is pile warp holding capacitor in certain embodiments.
In one embodiment, if electric charge output is minimum, isolated non-inductance electric heating source converting system 30 can be with
Made using high-pressure metal-oxide-semiconductor 2M integrated circuit manufacture process (HV MOS 2M IC foundry process)
Make and form, isolated non-inductance electric heating source converting system 30 controls electric capacity comprising form-factor.Maximum isolation
Output is limited by the maximum junction breakdown voltage of this processing procedure.P-type MOS transistor is used for once
Side switch 321,323 and secondary side switches 326,328, if utilizing other Bootloads, then
The substitution of N-type MOS transistor can be utilized.N-type MOS transistor be used for primary side switch 322,
324 and secondary side switches 327,329.N type buried layer (NBL layer) is used to keep isolating.
Needed in the secondary side switches 326,327,328,329 of the secondary side controlling bus 381 of isolation
Driven by the control pulse of isolated power bus 301,302.One isolated power-supply controller of electric 312
The level of executable ground connection pulse offsets to control the pulse of secondary side controlling bus.There is no electric current to flow through
Between primary side unbalanced circuit and secondary side balancing circuitry.
The present embodiment is comprised the steps of：
Exchange and direct current electric charge Transmission system are realized using Two-way Cycle, wherein, the upper switch electricity of outer circulation
Road can be coupled to the upside of isolated power bus, and the lower on-off circuit of outer circulation can be coupled to isolated
The downside of power bus, wherein, the upper on-off circuit of outer circulation and the lower on-off circuit of outer circulation can be wrapped
Containing simultaneous switching circuit, it can be used for transmission electric charge to isolated power bus；In power inverter application
In, the upper on-off circuit of interior circulation can be coupled to the downside of isolated power bus, and under interior circulation
On-off circuit can be coupled to isolated power bus upside, wherein, the lower on-off circuit of interior circulation and
The upper on-off circuit of interior circulation can include simultaneous switching circuit, and it can be used for transmission electric charge to isolated electricity
Source bus；In Power convert and isolated data transmission applications, the upper on-off circuit of interior circulation can coupling
The upside of isolated power bus is bonded to, and the lower on-off circuit of interior circulation can be coupled to isolated power supply
The downside of bus, wherein, the lower on-off circuit of interior circulation and the upper on-off circuit of interior circulation can be comprising same
On-off circuit is walked, it can be used for transmission electric charge to isolated power bus.
Make to put on the upper voltage of on-off circuit and isolate with putting on the lower voltage of lower on-off circuit.
There is provided at least one and switch controlling bus, it can be comprising level off-centre circuit with total according to offset voltage
Line current potential, to offset the first ground reference switch controlling bus to the level of second switch controlling bus.
The waveform for the position current potential that Fig. 4 loads for the filament of Fig. 3 circuit.The current potential of load centre point
It is equal with the current potential of transformer center tap coil.In order to for example, isolated non-inductance electric heating source turns
The voltage waveform for changing system 30 is with tool center tap and equivalent with the transformer of bias link.
The signal of one embodiment of the isolated non-inductance electric heating source converting system that Fig. 5 provides for the present invention
Figure, it is extended to by Fig. 3.As shown in figure 5, in phase 1, form-factor control electric capacity 552
The interior circulation controlled via secondary side switches 528,529 and via secondary side controlling bus 581, which is coupled, to be noted
Enter to isolate electric charge to output loading 591, and circuit draws circulation electricity via primary side switch 521,522
The electric charge of the generation in source 571 to form-factor controls electric capacity 551.In phase 2, circuit is via one
Secondary side switchs 523,524 ground connection electric charge to the form-factors for drawing the generation of power-cycled 571 and controls electric capacity
552, and the secondary side switches that form-factor control electric capacity 552 is controlled via secondary side controlling bus 581
526th, 527 coupling injections isolate electric charges to output loading 591.Form-factor control electric capacity 592 is used for
Filter switching noise.Direct current is produced to load by the equidirectional of interior circulation and the electric current of outer circulation
591, it is used for synchronous direct current transducer application.
As shown in fig. 6, it adds volume in the embodiment of isolated non-inductance electric heating source converting system 50
Outer change, it forms the isolation of circulation and relative to other circuit units comprising power circuit is interrupted
Data transfer path with high impedance.Due to having interrupted circulation, noise voltage is across isolating barrier,
Rather than in receiving terminal or more sensitive element.
As shown in fig. 7, it adds volume in the embodiment of isolated non-inductance electric heating source converting system 30
Outer change, such as AMVFD in high-precision power application, electricity is determined by feedback input power 704
Lotus transmits virtual value, and changes power supply feedback resistance 702 by communications protocol such as built-in I2C decoders 703
To change the value of power-cycled 371, compensate and export as dynamic control.
Illustrative is the foregoing is only, rather than is restricted.Other any spirit without departing from the present invention
With category, and the equivalent modifications carried out to it or change should be contained in this case right
It is interior.
Claims (16)
1. a kind of isolated non-inductance electric heating source converting system, for by noninductive Power convert into exchange
/ DC-isolation formula power supply, it is comprising isolated power bus, electric charge Transmission system and includes multiple golden oxygen
The integrated circuit of half field effect transistor, it is characterised in that electric charge Transmission system is included：
Isolated power bus controller；
Oscillator, for providing clock signal to isolated power bus controller；
Time delay bus, for providing time delay signal to isolated power bus controller, with
Postpone the opening time that multiple secondary side switches are controlled by isolated power bus controller, wherein,
After multiple primary side switches are closed, the opening time of multiple secondary side switches is delayed by a preset time
It is interval；
Bias bus, for providing Dc bias to load, its center tap with putting on transformer
The Dc bias of coil is equivalent；
Primary side controlling bus, is switched for producing primary side control signal to multiple primary sides；
Secondary side controlling bus, for producing secondary side control signal to multiple secondary side switches；
An at least on-off circuit, is coupled with isolated power bus；
At least one switch controlling bus, for controlling the switching of an at least on-off circuit and transmitting electric charge extremely
The electric charge Transmission system of isolated power bus；And
An at least bus switches, comprising an at least level deviator, to adjust control secondary side switches
Signal.
2. isolated non-inductance electric heating source converting system according to claim 1, it is characterised in that
An at least on-off circuit include an at least transistor type on-off circuit, and control source comprising be input to
The source electrode input of a few transistor type on-off circuit or drain input, primary side control signal and secondary side
Control signal includes the gate input for being input to an at least transistor type on-off circuit.
3. isolated non-inductance electric heating source converting system according to claim 2, it is characterised in that
An at least on-off circuit includes upper on-off circuit and lower on-off circuit；Upper on-off circuit includes an at least P
Transistor npn npn circuit or N-type transistor circuit, lower on-off circuit include an at least N-type transistor circuit,
And upper on-off circuit and lower on-off circuit constitute electric charge transmission loop circuit.
4. isolated non-inductance electric heating source converting system according to claim 1, it is characterised in that
An at least on-off circuit includes level shifter circuit, to offset one according to offset voltage bus potential
Secondary side over the ground reference switch controlling bus to secondary side switches controlling bus level.
5. isolated non-inductance electric heating source converting system according to claim 1, it is characterised in that
Power conversion system includes electric charge Transmission system and isolated data transmission system, and the wherein electricity of device
Lotus is exported across isolated power bus.
6. isolated non-inductance electric heating source converting system according to claim 1, it is characterised in that
Electric charge Transmission system controls electric capacity, at least one form-factor control comprising at least one form-factor
Alternately directly transmission electric charge is extremely exported electric capacity.
7. isolated non-inductance electric heating source converting system according to claim 1, it is characterised in that
Bias bus crosses isolated power bus via multiple switch.
8. a kind of isolated non-inductance electric heating source converting system, it is characterised in that include：
The upper on-off circuit of outer circulation and the lower on-off circuit of outer circulation, the upper on-off circuit coupling of outer circulation
The upside of isolated power bus is bonded to, the lower on-off circuit of outer circulation is coupled to isolated power bus
Downside, wherein, the upper on-off circuit of outer circulation and the lower on-off circuit of outer circulation include synchro switch
Circuit, for transmitting electric charge to isolated power bus；
The upper on-off circuit of interior circulation and the lower on-off circuit of interior circulation, interior circulation in power inverter application
Upper on-off circuit be coupled to the downside of isolated power bus, the lower on-off circuit of interior circulation is coupled to
The upside of isolated power bus, wherein, the upper on-off circuit of interior circulation and the lower switch electricity of interior circulation
Road includes simultaneous switching circuit, for transmitting electric charge to isolated power bus；And
The upper on-off circuit of interior circulation is in Power convert and isolated data transmission applications coupled to isolation
The upside of formula power bus, the lower on-off circuit of interior circulation should in Power convert and isolated data transfer
The downside of isolated power bus is coupled in, wherein, the upper on-off circuit and interior circulation of interior circulation
Lower on-off circuit include simultaneous switching circuit, for transmitting electric charge to isolated power bus；
Wherein, when upper on-off circuit and lower on-off circuit are closed, the upper electricity of on-off circuit is put on
The lower voltage for pressing and putting on lower on-off circuit is isolation, and secondary side controlling bus circuit is used to control
Upper on-off circuit and lower on-off circuit.
9. isolated non-inductance electric heating source converting system according to claim 8, it is characterised in that
Power conversion system includes electric charge Transmission system, and it is comprising an at least level offset-driver circuitry and extremely
Few form-factor control electric capacity, to be absorbed energy in the set time is interval.
10. isolated non-inductance electric heating source converting system according to claim 8, it is characterised in that
This circuit includes at least one bootstrapping level converter, its offset logic level to secondary side controlling bus position
Standard, to control the switching of upper on-off circuit and lower on-off circuit.
11. a kind of isolated non-inductance electric heating source conversion method, it is characterised in that comprise the steps of：
Exchange and direct current electric charge Transmission system are realized using Two-way Cycle, wherein, the upper switch electricity of outer circulation
Road is coupled to the upside of isolated power bus, and the lower on-off circuit of outer circulation is coupled to isolated power supply
The downside of bus, wherein, the upper on-off circuit of outer circulation and the lower on-off circuit of outer circulation are comprising synchronous
On-off circuit, for transmitting electric charge to isolated power bus；In power inverter application, interior circulation
Upper on-off circuit be coupled to isolated power bus downside, and the lower on-off circuit of interior circulation couple
To the upside of isolated power bus, wherein, the lower on-off circuit of interior circulation and the upper switch of interior circulation
Circuit includes simultaneous switching circuit, for transmitting electric charge to isolated power bus；In Power convert and
In isolated data transmission applications, the upper on-off circuit of interior circulation is coupled to the upper of isolated power bus
Side, and the lower on-off circuit of interior circulation is coupled to the downside of isolated power bus, wherein, interior circulation
Lower on-off circuit and interior circulation upper on-off circuit include simultaneous switching circuit, for transmitting electric charge extremely
Isolated power bus；
The upper voltage that puts on on-off circuit and the lower voltage that puts on lower on-off circuit and primary side every
From；
There is provided at least one and switch controlling bus, it includes level off-centre circuit, with total according to offset voltage
Line current potential come offset primary side over the ground reference switch controlling bus to the position of secondary side switches controlling bus
It is accurate；And
An at least resistor chain is provided and is connected to primary side power-cycled, it is total comprising at least one switch control
Line, changes overall partial pressure resistance for receiving the instruction of I2C decoders, so change primary side and
The magnitude of voltage of secondary side.
12. isolated non-inductance electric heating source conversion method according to claim 11, it is characterised in that
Electric charge Transmission system is also comprising at least one bootstrapping level off-centre circuit.
13. isolated non-inductance electric heating source conversion method according to claim 11, it is characterised in that
Electric charge Transmission system also controls electric capacity comprising at least one form-factor, so that alternately directly transmission is coupled
Energy is extremely exported.
14. isolated non-inductance electric heating source conversion method according to claim 11, it is characterised in that
Bias bus puts on isolated power bus via multiple switch.
15. isolated non-inductance electric heating source conversion method according to claim 11, it is characterised in that
At least one on-off circuit includes upper on-off circuit and lower on-off circuit, and upper on-off circuit includes at least one
P-type transistor circuit or N-type transistor circuit, lower on-off circuit include at least N-type transistor electricity
Road, and upper on-off circuit and lower on-off circuit transmit loop circuit comprising electric charge.
16. isolated non-inductance electric heating source conversion method according to claim 11, it is characterised in that
Electric charge Transmission system is realized using Two-way Cycle, the wherein upper on-off circuit of outer circulation is coupled to isolated electricity
The upside of source bus, and the lower on-off circuit of outer circulation is coupled to the downside of isolated power bus, its
The upper on-off circuit of middle outer circulation and the lower on-off circuit of outer circulation include simultaneous switching circuit, for passing
Lotus transmit electricity to isolated power bus；In power inverter application, the upper on-off circuit coupling of interior circulation
To the downside of isolated power bus, the lower on-off circuit of interior circulation is coupled to isolated power bus
Upside, wherein, the upper on-off circuit of interior circulation and the lower on-off circuit of interior circulation include synchro switch electricity
Road, for transmitting electric charge to isolated power bus；In Power convert and isolated data transmission applications
In, the upper on-off circuit of interior circulation is coupled to the upside of isolated power bus, the lower switch of interior circulation
Circuit is coupled to the downside of isolated power bus, wherein, the lower on-off circuit and interior circulation of interior circulation
Upper on-off circuit include simultaneous switching circuit, for transmitting electric charge to isolated power bus；In
Primary side power-cycled is connected to there is provided an at least resistor chain in AMVFD applications, it is comprising at least
One switch controlling bus, changes overall partial pressure resistance for receiving the instruction of I2C decoders, and then
Change primary side and secondary side magnitude of voltage.
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| CN201610059396.6A CN107017794B (en) | 2016-01-28 | 2016-01-28 | Isolated non-inductance electric heating source converting system and its method |
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| CN201610059396.6A CN107017794B (en) | 2016-01-28 | 2016-01-28 | Isolated non-inductance electric heating source converting system and its method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107678999A (en) * | 2017-10-25 | 2018-02-09 | 东莞博力威电池有限公司 | A kind of I2C isolation circuits |
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| US5345376A (en) * | 1993-02-19 | 1994-09-06 | Tescom Corporation | Switching power supply with electronic isolation |
| US20060001474A1 (en) * | 2004-06-25 | 2006-01-05 | Stmicroelectronics S.R.I. | Method of controlling a charge pump generator and a related charge pump generator |
| CN1901341A (en) * | 2005-07-21 | 2007-01-24 | 陈真 | Alternative switch type power isolation circuit |
| GB2469124B (en) * | 2009-04-03 | 2013-10-30 | Thales Holdings Uk Plc | Power supply |
| CN105245121A (en) * | 2015-11-25 | 2016-01-13 | 中国科学院自动化研究所 | Rectifying circuit with bootstrap circuit |
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2016
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Patent Citations (5)
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| US5345376A (en) * | 1993-02-19 | 1994-09-06 | Tescom Corporation | Switching power supply with electronic isolation |
| US20060001474A1 (en) * | 2004-06-25 | 2006-01-05 | Stmicroelectronics S.R.I. | Method of controlling a charge pump generator and a related charge pump generator |
| CN1901341A (en) * | 2005-07-21 | 2007-01-24 | 陈真 | Alternative switch type power isolation circuit |
| GB2469124B (en) * | 2009-04-03 | 2013-10-30 | Thales Holdings Uk Plc | Power supply |
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| CN107678999A (en) * | 2017-10-25 | 2018-02-09 | 东莞博力威电池有限公司 | A kind of I2C isolation circuits |
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| CN107017794B (en) | 2019-05-07 |
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