CN107147297A - A kind of inductively coupled power transfer control method with drop-down auxiliary switch - Google Patents
A kind of inductively coupled power transfer control method with drop-down auxiliary switch Download PDFInfo
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- CN107147297A CN107147297A CN201710401372.9A CN201710401372A CN107147297A CN 107147297 A CN107147297 A CN 107147297A CN 201710401372 A CN201710401372 A CN 201710401372A CN 107147297 A CN107147297 A CN 107147297A
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H02J5/005—
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- H02J7/025—
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention belongs to electroporation field, it is related to a kind of inductively coupled power transfer control method with drop-down auxiliary switch, first according to load selection control mode and collocation structure, if load needs constant pressure to power, then switch to the first secondary compensating electric capacity, i.e. using the collocation structure of primary side secondary series connection in parallel, constant pressure control method is selected；If load needs constant current-supplying, the second secondary compensating electric capacity is switched to, using primary side secondary in parallel collocation structure in parallel, constant current control method is selected；If neither selection constant pressure is powered, constant current-supplying is not also selected, then device is standby, until selection power supply mode；Control mode regulated output voltage or output current that whole device passes through frequency conversion+variable duty cycle, main switch and auxiliary switch is set to realize that no-voltage is open-minded simultaneously, reach the purpose of inductively coupled power transfer regulation and control, regulated output voltage or output current, the reliability of device is improved, is conducive to application.
Description
Technical field：
The invention belongs to electroporation field, it is related to a kind of inductively coupled power transfer control with drop-down auxiliary switch
Method, the transmission for being used for inductively electric energy using auxiliary switch branch road is controlled.
Background technology
At present, inductively coupled power transfer (Inductively Coupled Power Transfer, ICPT) device
Main circuit topology is mostly inverse using full-bridge voltage type inverter circuit, half-bridge LLC voltage-type resonance inversion circuits and LC resonance single tubes
Become bipolarity inverter circuit；First two circuit topology has that circuit structure is relative complex, and power supply cost is of a relatively high, on bridge arm
Lower switching tube easily causes the problems such as leading directly to and burn out；The latter is a kind of novel radio electric energy transmission topology, with circuit it is simple,
Cost is low, efficiency of transmission is high, no-voltage can be achieved opens the advantages of being controlled with zero voltage turn-off, but there is also some shortcomings,
When device input voltage is 220VacDuring/50Hz alternating currents, the voltage that switching tube two ends are born in its running up to 1200V
More than, cause switching tube to select pressure-resistant higher isolated-gate field effect transistor (IGFET) (IGBT), in order to reduce ICPT devices
Volume and weight, national Specification switching frequency need to reach more than 83kHz, and when IGBT switching frequency be more than 25kHz with
Afterwards, its loss can increase with the increase of switching frequency, and constraining the volume and cost of ICPT devices further reduces, unfavorable
In the application of this novel I CPT devices topology.So, design a kind of new adaptive circuit control method has application very much
Development volue.
The content of the invention：
It is bipolar with LC resonance single-tube contravariants in existing ICPT devices it is an object of the invention to overcome the shortcoming of prior art
Property inverter topology in increase by one group of drop-down auxiliary switch branch road, comprising auxiliary switch in the branch road, main switch
It is identical with the switching frequency of auxiliary switch, Sofe Switch control can be achieved, and without straight-through problem between two pipes, improve reliable
Property；In the case where keeping original circuit advantage, the voltage for bearing switching tube two ends is reduced to original 2/3, makes device can
So that using MOS transistor (MOSFET), as switching tube, switching frequency is up to more than 83kHz, while because of auxiliary switch
Pipe ON time is short, low in energy consumption, is the further volume and weight for reducing ICPT devices, reduces cost and provides technical scheme.
To achieve these goals, the present invention is realized using the inductively coupled power transfer device with drop-down auxiliary switch
The method of electric energy transmission control, specifically includes following steps：
(1), first, if load needs constant pressure to power, first is switched to according to load selection control mode and collocation structure
Secondary compensating electric capacity, i.e., using the collocation structure of primary side secondary series connection (PS) in parallel, select constant pressure control method；If load needs
Constant current-supplying, then switch to the second secondary compensating electric capacity, using the collocation structure of primary side secondary in parallel (PP) in parallel, selects constant current
Control method；If neither selection constant pressure is powered, constant current-supplying is not also selected, then device is standby, until selection power supply mode；
(2) if, selection constant pressure power, first using pulse width modulation (PWM) soft start, give original switching frequency,
Maintained switch frequency is constant, and ON time is gradually increased to setting value, and output voltage reaches setting voltage, when device output voltage
When unstable, regulated output voltage is controlled by pulse frequency modulated (PFM).Sample circuit is the output voltage signal detected
Second singlechip control circuit is sent to, second singlechip controls circuit to change according to the difference of output voltage, passes through the second nothing
The first radio communication circuit that line telecommunication circuit is sent to primary-side-control circuit in different control signals, primary-side-control circuit connects
The signal that the second radio communication circuit is sent is received, then passes to the first single chip machine controlling circuit, the first single chip machine controlling circuit
Carry out the switching frequency of adjusting apparatus；If output voltage becomes big, second singlechip control circuit can pass through the second radio communication circuit
The signal of increase switching frequency is sent to primary-side-control circuit；If output voltage reduces, second singlechip controls circuit by the
Two radio communication circuits send the signal for reducing switching frequency to primary-side-control circuit, so that the output voltage of stabilising arrangement；When
Second voltage detects electric circuit inspection to the voltage increase at clamp capacitor two ends, and the first single chip machine controlling circuit is auxiliary switch
Control signal is changed into high level, and auxiliary switch realizes that no-voltage is open-minded, and whether detection main switch is that no-voltage is open-minded, and master opens
Pipe is closed if not no-voltage is open-minded, realizes that no-voltage is open-minded by PWM controls, when the drive signal of main switch is become by low level
During for high level, the voltage at first voltage detection electric circuit inspection main switch drain-source two ends, if the electricity at main switch drain-source two ends
Pressure is not 0, that is, is not carried out that no-voltage is open-minded, then the first single chip machine controlling circuit reduces the dutycycle of main switch；If master opens
The voltage for closing pipe drain-source two ends is 0, that is, realizes that no-voltage is open-minded, then the dutycycle of main switch is constant；When main switch is real
After existing no-voltage is opened, whether judgment means shut down, if providing stopping signal, device is stopped；If not providing shutdown letter
Number, then output voltage is detected again, is repeated the above steps；
(3) if, selection constant current-supplying, first using PWM soft starts, that is, give original switching frequency, maintained switch frequency
Constant, ON time is gradually increased to setting value, and output current reaches setting electric current；When the output current of device is unstable,
By the stable output current of PFM controls, the output current signal detected is sent to second singlechip control electricity by sample circuit
Road, second singlechip controls circuit according to the change of output current, is sent out by the second radio communication circuit to primary-side-control circuit
The first radio communication circuit gone out in different control signals, primary-side-control circuit receives what the second radio communication circuit was sent
Signal, then pass to the first single chip machine controlling circuit, the switching frequency of the first single chip machine controlling circuit adjusting apparatus；If output electricity
Rheology is big, and second singlechip controls circuit to send increase switching frequency to primary-side-control circuit by the second radio communication circuit
Signal；If output current reduces, second singlechip control circuit is sent by the second radio communication circuit to primary-side-control circuit
Reduce the signal of switching frequency, so that the output current of stabilising arrangement；When second voltage detects electric circuit inspection to clamp capacitor two
The control signal of auxiliary switch is changed into high level by the voltage increase at end, the first single chip machine controlling circuit, and auxiliary switch is real
Existing no-voltage is open-minded, and whether detection main switch is that no-voltage is open-minded, and main switch is controlled by PWM if not no-voltage is open-minded
System realizes that no-voltage is open-minded, when the drive signal of main switch is changed into high level from low level, first voltage detection circuit inspection
The voltage at main switch drain-source two ends is surveyed, if the voltage at main switch drain-source two ends is not 0, that is, it is open-minded to be not carried out no-voltage,
Then the first single chip machine controlling circuit reduces the dutycycle of main switch；If the voltage at main switch drain-source two ends is 0, that is, realize
No-voltage is open-minded, then the dutycycle of main switch is constant；After main switch realizes that no-voltage is opened, whether judgment means stop
Machine, if providing stopping signal, device is stopped；If not providing stopping signal, output current is detected again, is repeated above-mentioned
Step；Whole device is by the control mode regulated output voltage or output current of frequency conversion+variable duty cycle, while making main switch
Realize that no-voltage is open-minded with auxiliary switch, reach the purpose of inductively coupled power transfer regulation and control.
It is whole that the agent structure of inductively coupled power transfer device of the present invention with drop-down auxiliary switch includes first
Flow bridge, L1C1Filter circuit, resonant coupling circuit, main switch, the first diode, drop-down auxiliary switch branch road, the second rectification
Bridge, the second filter capacitor, equivalent load, primary-side-control circuit and secondary control circuit；220VacThrough the first rectifier bridge, L1C1Filter
It is converted into DC voltage after wave circuit, main switch, the first diode and drop-down auxiliary switch branch road are by DC inverter into height
Frequency alternating current, high-frequency alternating current is applied to secondary inductance in the two ends of primary side inductance in resonant coupling circuit, resonant coupling circuit
Two ends induce voltage, and secondary inductance both end voltage is converted into direct current after the second rectifier bridge, the second filter capacitor, is equivalent
Load supplying；Industrial-frequency alternating current is carried out rectification by the first rectifier bridge；L1C1Filter circuit is by filter inductance and the first filter capacitor string
Joint group is into for power frequency filtering；Resonant coupling circuit by primary compensation capacitor, primary side screen layer, primary side inductance, secondary inductance,
Secondary screen layer, the first secondary compensating electric capacity or the second secondary compensating electric capacity electrical connection composition, for energy to be transmitted from primary side
To secondary, so as to be load supplying, the mutual inductance between primary side inductance and secondary inductance is between primary side inductance and secondary inductance
Transmission range and change；Primary side screen layer and secondary screen layer are used to improve the device coefficient of coup and improve efficiency of transmission, weaken
The electromagnetic interference of primary side inductance and secondary inductance to former and deputy side circuit board；First secondary compensating electric capacity and the second secondary compensation electricity
Appearance can switch mutually, if switching to the first secondary compensating electric capacity, primary compensation capacitor and the first secondary compensating electric capacity composition
Primary side parallel connection secondary series connection (PS) collocation structure output shows as constant pressure source, it is adaptable to the equipment for needing constant pressure to power, if switching
Into the second secondary compensating electric capacity, then primary compensation capacitor and the second secondary compensating electric capacity composition primary side secondary in parallel (PP) in parallel are mended
Compensation structure output shows as constant-current source, it is adaptable to need the equipment of constant current-supplying；Main switch, the first diode and drop-down auxiliary
Switching branches are used to realize electric energy inversion, and the first diode is the anti-paralleled diode of main switch；Auxiliary switch, the two or two
Pole pipe and clamp capacitor are electrically connected composition drop-down auxiliary switch branch road according to electrical principles, for reducing main switch drain-source
The voltage at two ends, wherein the second diode is the anti-paralleled diode of auxiliary switch；Auxiliary switch and main switch switch
Frequency is identical, and the conducting of auxiliary switch and main switch has dead band, and the ON time of auxiliary switch is short, conduction loss compared with
It is small；Second rectifier bridge is used to high-frequency alternating current carry out rectification, and the second filter capacitor is used for High frequency filter, and equivalent load is capacitive
Load or inductive load；Primary-side-control circuit includes the first single chip machine controlling circuit, drive circuit, the first accessory power supply, first
Radio communication circuit, first voltage detection circuit, remote control, second voltage detection circuit, primary-side-control circuit make main switch
Realize that no-voltage opens control with auxiliary switch, and make device output voltage stabilization or outputting current steadily, wherein, first is single
Piece machine control circuit received according to the first radio communication circuit signal of communication, first voltage detect electric circuit inspection to master open
Close the voltage signal of clamp capacitor that the voltage signal and second voltage detection electric circuit inspection of pipe are arrived, export respectively main switch and
The control signal of auxiliary switch, control signal driving main switch and auxiliary switch after drive circuit isolation amplification；The
One accessory power supply is the first single chip machine controlling circuit and drive circuitry；First radio communication circuit receives the second radio communication
The control signal that the feedback signal and remote control that circuit is sent are sent, the first radio communication circuit is run to remote control emitter
Status signal；First voltage detection circuit is used for the voltage for detecting main switch drain-source two ends；Remote control is according to received
The plant running status signal that one radio communication circuit is sent, display device output voltage, output current and whether realize zero electricity
Press off logical；Remote control makes the first single chip machine controlling circuit select Isobarically Control to the first radio communication circuit emissioning controling signal
Or current constant control；The voltage at second voltage detection electric circuit inspection clamp capacitor two ends, when the voltage for detecting clamp capacitor two ends
The control signal of auxiliary switch is changed into high level by increase, the first single chip machine controlling circuit, and auxiliary switch realizes no-voltage
Open-minded, when the voltage increase at clamp capacitor two ends, primary side inductance is charged by the second diode for clamp capacitor, the two or two pole
Pipe is turned on, and the voltage at auxiliary switch drain-source two ends is 0, and auxiliary switch realizes that no-voltage is open-minded；Secondary controls circuit by adopting
Sample circuit, second singlechip control circuit, the second accessory power supply and the second radio communication circuit composition, for giving primary-side-control electricity
Launch feedback signal, the output voltage and output current of sample circuit detection means in road；Second singlechip controls circuit according to connecing
The signal of the sample circuit received, the second radio communication circuit of control launches feedback signal to the first radio communication circuit；Second
Accessory power supply is that second singlechip control circuit is powered.
The present invention compared with prior art, using the ICPT devices with drop-down auxiliary switch, with circuit structure it is simple,
Main switch and auxiliary switch have identical switching frequency, are easy to control and can all realize Zero-voltage soft switch, auxiliary
The features such as service time of switching tube is short, increases auxiliary switch, its ON time is short, and can realize Sofe Switch control, makes whole
Individual device loss is smaller；Increase drop-down auxiliary switch branch road, makes the voltage reduction by 1/3 that main switch bears, make main switch and
Auxiliary switch can be using the MOSFET that price is low, switching frequency is up to more than 83kHz so that switching frequency meets national mark
It is accurate so that the volume of loosely coupled transformer also accordingly reduces, and is conducive to application；It is controlled using frequency conversion+variable duty cycle,
Realize that no-voltage is open-minded, regulated output voltage or output current improve the reliability of device, be conducive to application；According to not
Same load uses different collocation structure and corresponding PWM and PFM control, if load needs constant pressure to power, switches
Into the first secondary compensating electric capacity, i.e., using PS collocation structure, while using constant pressure control method；If load needs constant current to supply
Electricity, then switch to the second secondary compensating electric capacity, i.e., using PP collocation structure, while using constant current control method.
Brief description of the drawings：
Fig. 1 is the agent structure circuit theory schematic diagram of the ICPT devices of the present invention with drop-down auxiliary switch.
Fig. 2 is the process flow diagram that the present invention realizes electric energy transmission control.
Fig. 3 is the work electric signal waveform figure of device of the present invention, and wherein Ugs1 is main switch Q1Driving voltage,
Ugs2 is auxiliary switch Q2Driving voltage, Uds1 be main switch Q1The voltage at drain-source two ends, Uds2 is auxiliary switch Q2
The voltage at drain-source two ends, Up is primary compensation capacitor CpThe voltage at two ends, Ip is primary inductor LpElectric current, Uc is clamp capacitor
CcThe voltage at two ends.
Embodiment：
Technical scheme is described in more detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment：
The present embodiment uses the method that the ICPT devices with drop-down auxiliary switch realize electric energy transmission control, including following
Step：
(1), first, if load needs constant pressure to power, first is switched to according to load selection control mode and collocation structure
Secondary compensating electric capacity Cs, i.e., using PS collocation structure, select constant pressure control method；If load needs constant current-supplying, switch
Into the second secondary compensating electric capacity Ct, using PP collocation structure, select constant current control method；If neither selection constant pressure is powered,
Constant current-supplying is not selected, then device is standby, until selection power supply mode；
(2) if, selection constant pressure power, first using PWM soft starts, give original switching frequency, maintained switch frequency is not
Become, ON time is gradually increased to setting value, and output voltage reaches setting voltage, when device output voltage is unstable, passes through
PFM controls regulated output voltage, and 15 output voltage signals detected of sample circuit are sent to second singlechip control circuit
16, second singlechip controls circuit 16 to be changed according to the difference of output voltage, by the second radio communication circuit 18 to primary side control
The first radio communication circuit 11 that circuit 6 processed is sent in different control signals, primary-side-control circuit 6 receives the second channel radio
The signal that letter circuit 18 is sent, then the first single chip machine controlling circuit 8 is passed to, the first single chip machine controlling circuit 8 carrys out adjusting apparatus
Switching frequency；If output voltage becomes big, second singlechip control circuit 16 can be by the second radio communication circuit 18 to primary side
Control circuit 6 sends the signal of increase switching frequency；If output voltage reduces, second singlechip control circuit 16 passes through the second nothing
Line telecommunication circuit 18 sends the signal for reducing switching frequency to primary-side-control circuit 6, so that the output voltage of stabilising arrangement；When
Two voltage detecting circuits 14 detect clamp capacitor CcThe voltage increase at two ends, the first single chip machine controlling circuit 8 is auxiliary switch
Pipe Q2Control signal be changed into high level, auxiliary switch Q2Realize that no-voltage is open-minded, detection main switch Q1Whether it is no-voltage
It is open-minded, main switch Q1If not no-voltage is open-minded, realize that no-voltage is open-minded by PWM controls, as main switch Q1Driving letter
When number being changed into high level from low level, the first voltage detection detection main switch of circuit 12 Q1The voltage at drain-source two ends, if master opens
Close pipe Q1The voltage at drain-source two ends is not 0, that is, it is open-minded to be not carried out no-voltage, then the first single chip machine controlling circuit 8 reduces master and opened
Close pipe Q1Dutycycle；If main switch Q1The voltage at drain-source two ends is 0, that is, it is open-minded to realize no-voltage, then main switch Q1's
Dutycycle is constant；As main switch Q1After realizing that no-voltage is opened, whether judgment means shut down, if providing stopping signal, fill
Put and be stopped；If not providing stopping signal, output voltage is detected again, is repeated the above steps；
(3) if, selection constant current-supplying, first using PWM soft starts, that is, give original switching frequency, maintained switch frequency
Constant, ON time is gradually increased to setting value, and output current reaches setting electric current；When the output current of device is unstable,
By the stable output current of PFM controls, 15 output current signals detected of sample circuit are sent to second singlechip control
Circuit 16, second singlechip controls circuit 16 according to the change of output current, by the second radio communication circuit 18 to primary side control
The first radio communication circuit 11 that circuit 6 processed is sent in different control signals, primary-side-control circuit 6 receives the second channel radio
The signal that letter circuit 18 is sent, then the first single chip machine controlling circuit 8 is passed to, the adjusting apparatus of the first single chip machine controlling circuit 8
Switching frequency；If output current becomes big, second singlechip controls circuit 16 by the second radio communication circuit 18 to primary-side-control
Circuit 6 sends the signal of increase switching frequency；If output current reduces, second singlechip control circuit 16 passes through the second channel radio
Letter circuit 18 sends the signal for reducing switching frequency to primary-side-control circuit 6, so that the output current of stabilising arrangement；When the second electricity
Pressure detection circuit 14 detects clamp capacitor CcThe voltage increase at two ends, the first single chip machine controlling circuit 8 is auxiliary switch Q2's
Control signal is changed into high level, auxiliary switch Q2Realize that no-voltage is open-minded, detection main switch Q1Whether it is that no-voltage is open-minded,
Main switch Q1If not no-voltage is open-minded, realize that no-voltage is open-minded by PWM controls, as main switch Q1Drive signal by
When low level is changed into high level, the first voltage detection detection main switch of circuit 12 Q1The voltage at drain-source two ends, if main switch Q1
The voltage at drain-source two ends is not 0, that is, it is open-minded to be not carried out no-voltage, then the first single chip machine controlling circuit 8 reduces main switch Q1
Dutycycle；If main switch Q1The voltage at drain-source two ends is 0, that is, it is open-minded to realize no-voltage, then main switch Q1Dutycycle
It is constant；As main switch Q1After realizing that no-voltage is opened, whether judgment means shut down, if providing stopping signal, and device stops
Work；If not providing stopping signal, output current is detected again, is repeated the above steps；Device passes through frequency conversion+variable duty cycle
Control mode regulated output voltage or output current, while making main switch Q1With auxiliary switch Q2Realize that no-voltage is open-minded, reach
The purpose regulated and controled to inductively coupled power transfer.
The agent structure of ICPT devices with drop-down auxiliary switch described in the present embodiment includes the first rectifier bridge 1, L1C1Filter
Wave circuit 2, resonant coupling circuit 3, main switch Q1, the first diode DQ1, drop-down auxiliary switch branch road 4, the second rectifier bridge 5,
Second filter capacitor C2, equivalent load Z, primary-side-control circuit 6 and secondary control circuit 7；220VacThrough the first rectifier bridge 1, L1C1
DC voltage, main switch Q are converted into after filter circuit 21, the first diode DQ1With drop-down auxiliary switch branch road 4 by direct current
High-frequency alternating current is reverse into, high-frequency alternating current is applied to primary inductor L in resonant coupling circuit 3pTwo ends, resonant coupling circuit
Secondary inductance L in 3sTwo ends induce voltage, secondary inductance LsBoth end voltage is through the second rectifier bridge 5, the second filter capacitor C2After turn
Change direct current into, be that equivalent load Z powers；The two ends of first rectifier bridge 1 respectively with 220VacAnd L1C1Filter circuit 2 is electrically connected,
For industrial-frequency alternating current to be carried out rectification；L1C1Filter circuit 2 is by filter inductance L1With the first filter capacitor C1It is composed in series, uses
In power frequency filtering；Resonant coupling circuit 3 is by primary compensation capacitor Cp, primary side screen layer Sp, primary inductor Lp, secondary inductance Ls, it is secondary
Side screen layer Ss, the first secondary compensating electric capacity CsOr the second secondary compensating electric capacity CtElectrical connection composition, for energy to be passed from primary side
Secondary is delivered to, so that be load supplying, wherein, M is primary inductor LpWith secondary inductance LsBetween mutual inductance, M is with LpAnd LsBetween
Transmission range and change；Primary side screen layer SpWith secondary screen layer SsFor improving the device coefficient of coup and improving efficiency of transmission,
Weaken primary inductor LpWith secondary inductance LsTo the electromagnetic interference of former and deputy side circuit board；First secondary compensating electric capacity CsIt is secondary with second
Side compensating electric capacity CtIt can switch mutually, if switching to the first secondary compensating electric capacity Cs, then primary compensation capacitor CpWith the first secondary
Compensating electric capacity CsComposition PS collocation structures output shows as constant pressure source, it is adaptable to the equipment for needing constant pressure to power, if switching to the
Two secondary compensating electric capacity Ct, then primary compensation capacitor CpWith the second secondary compensating electric capacity CtComposition PP collocation structure outputs are shown as
Constant-current source, it is adaptable to need the equipment of constant current-supplying；Main switch Q1, the first diode DQ1Used with drop-down auxiliary switch branch road 4
In realizing electric energy inversion, the first diode DQ1For main switch Q1Anti-paralleled diode.Auxiliary switch Q2, the second diode
DQ2With clamp capacitor CcComposition drop-down auxiliary switch branch road 4 is electrically connected according to electrical principles, for reducing main switch Q1
The voltage at drain-source two ends, wherein the second diode DQ2For auxiliary switch Q2Anti-paralleled diode；Auxiliary switch Q2And master
Switching tube Q1Switching frequency is identical, auxiliary switch Q2With main switch Q1Conducting there is dead band, auxiliary switch Q2Conducting
Time is short, auxiliary switch Q2Conduction loss it is smaller；Second rectifier bridge 5 is used to high-frequency alternating current carry out rectification, the second filter
Ripple electric capacity C2For High frequency filter, equivalent load Z is capacitive load or inductive load；Primary-side-control circuit 6 includes the first monolithic
Machine control circuit 8, drive circuit 9, the first accessory power supply 10, the first radio communication circuit 11, first voltage detection circuit 12, distant
Device 13, second voltage detection circuit 14 are controlled, primary-side-control circuit 6 makes main switch Q1With auxiliary switch Q2Realize that no-voltage is opened
Logical control, and make device output voltage stabilization or outputting current steadily, wherein, the first single chip machine controlling circuit 8 is according to the first nothing
The main switch Q that signal of communication that line telecommunication circuit 11 is received, first voltage detection circuit 12 are detected1Voltage signal and
The clamp capacitor C that second voltage detection circuit 14 is detectedcVoltage signal, main switch Q is exported respectively1And auxiliary switch
Q2Control signal, control signal driving main switch Q after the isolation amplification of drive circuit 91With auxiliary switch Q2；First is auxiliary
It is that the first single chip machine controlling circuit 8 and drive circuit 9 are powered to help power supply 10；First radio communication circuit 11 receives the second channel radio
The control signal that the feedback signal and remote control 13 that letter circuit 18 is sent are sent, the first radio communication circuit 11 is sent out to remote control 13
Injection device operating state signal；First voltage detection circuit 12 is used to detect main switch Q1The voltage at drain-source two ends；Remote control
The 13 plant running status signals sent according to the first radio communication circuit 11 received, display device output voltage, output
Electric current and whether realize that no-voltage is open-minded；Remote control 13 makes the first monolithic to the emissioning controling signal of the first radio communication circuit 11
Machine control circuit 8 selection Isobarically Control or current constant control；The second voltage detection detection clamp capacitor of circuit 14 CcThe voltage at two ends,
When detecting clamp capacitor CcThe voltage increase at two ends, the first single chip machine controlling circuit 8 is auxiliary switch Q2Control signal become
For high level, auxiliary switch Q2Realize that no-voltage is open-minded, as clamp capacitor CcDuring the voltage increase at two ends, primary inductor LpIt is logical
Cross the second diode DQ2For clamp capacitor CcCharging, the second diode DQ2Conducting, auxiliary switch Q2The voltage at drain-source two ends is
0, auxiliary switch Q2, realize that no-voltage is open-minded；Secondary control circuit 7 by sample circuit 15, second singlechip control circuit 16,
Second accessory power supply 17 and the second radio communication circuit 18 are constituted, for launching feedback signal, sampling electricity to primary-side-control circuit 6
The output voltage and output current of the detection means of road 15；Second singlechip controls circuit 16 according to the sample circuit 15 received
Signal, the second radio communication circuit 18 of control launches feedback signal to the first radio communication circuit 11；Second accessory power supply 17 is
Second singlechip control circuit 16 is powered.
The overall work process for the ICPT devices with drop-down auxiliary switch that the present embodiment is related to was included with the next stage：
The t0-t1 periods：At t0 moment, main switch Q1Driving voltage Ugs1 be changed into high level, now primary inductor Lp's
Electric current is negative, main switch Q1It is not turned on, primary inductor LpPass through the first diode DQ1With the first filter capacitor C1Afterflow, master opens
Close pipe Q1The voltage at drain-source two ends is 0, to t1 moment, primary inductor LpElectric current be changed into 0, main switch Q1Conducting, main switch
Q1Realize that no-voltage is open-minded；
The t1-t2 periods：Input voltage is primary inductor LpCharging, primary inductor LpElectric current gradually increase, to the t2 moment,
Main switch Q1Driving voltage Ugs1 be changed into low level, main switch Q1Shut-off；
The t2-t3 periods：Primary compensation capacitor CpFor primary inductor LpCharging, primary inductor LpElectric current continue increase, to t3
Moment, primary compensation capacitor CpVoltage be reduced to 0, primary inductor LpElectric current increase to maximum；
The t3-t4 periods：Primary inductor LpIt is reversed primary compensation capacitor CpCharging, primary compensation capacitor CpVoltage reversal
Increase, primary compensation capacitor CpVoltage add the first filter capacitor C1Voltage be less than clamp capacitor CcVoltage, the two or two pole
Pipe DQ2Reversely cut-off, to t4 moment, primary compensation capacitor CpVoltage add the first filter capacitor C1Voltage be more than clamper electricity
Hold CcVoltage, the second diode DQ2Conducting；
The t4-t5 periods：Primary inductor LpIt is simultaneously primary compensation capacitor CpWith clamp capacitor CcCharging, clamp capacitor Cc's
Voltage gradually increases, to t5 moment, auxiliary switch Q2Driving voltage Ugs2 be changed into high level, but primary inductor LpElectric current
Still it is just auxiliary switch Q2It is not turned on；
The t5-t6 periods：Primary inductor LpContinue as primary compensation capacitor CpWith clamp capacitor CcCharging, the second diode DQ2
Conducting, auxiliary switch Q2The voltage at drain-source two ends is 0, to t6 moment, primary inductor LpElectric current drop to 0, primary side compensation electricity
Hold CpVoltage reversal increase to maximum, while clamp capacitor CcVoltage increase to maximum, auxiliary switch Q2Conducting, auxiliary
Switching tube Q2Realize that no-voltage is open-minded；
The t6-t7 periods：Primary compensation capacitor CpWith clamp capacitor CcIt is simultaneously primary inductor LpReverse charging, to the t7 moment,
Auxiliary switch Q2Driving voltage Ugs2 be changed into low level, auxiliary switch Q2Shut-off, clamp capacitor CcStop as primary side inductance
LpCharging；
The t7-t8 periods：Primary compensation capacitor CpVoltage reduction, primary inductor LpElectric current reduce, to t8 moment, primary side
Compensating electric capacity CpVoltage be changed into 0；
The t8-t9 periods：Primary inductor LpFor primary compensation capacitor CpReverse charging, primary compensation capacitor CpVoltage gradually
Increase, to t9 moment, primary compensation capacitor CpVoltage increase to and the first filter capacitor C1Voltage it is equal；
The t9-t10 periods：Primary inductor LpPass through the first diode DQ1With the first filter capacitor C1Afterflow, to the t10 moment,
Main switch Q1Driving voltage Ugs1 be changed into high level, now primary inductor LpElectric current be negative, main switch Q1It is not turned on.
Claims (2)
1. a kind of inductively coupled power transfer control method with drop-down auxiliary switch, it is characterised in that：Using with drop-down
The inductively coupled power transfer device of auxiliary switch is realized, specifically includes following steps：
(1) the first secondary, if load needs constant pressure to power, first, is switched to according to load selection control mode and collocation structure
Compensating electric capacity, i.e., using the collocation structure of primary side secondary series connection in parallel, select constant pressure control method；If load needs constant current to supply
Electricity, then switch to the second secondary compensating electric capacity, using primary side secondary in parallel collocation structure in parallel, selects constant current control method；
If neither selection constant pressure is powered, constant current-supplying is not also selected, then device is standby, until selection power supply mode；
(2) if, selection constant pressure power, first using pulse width modulation soft start, give original switching frequency, maintained switch frequency
Rate is constant, and ON time is gradually increased to setting value, and output voltage reaches setting voltage, when device output voltage is unstable,
Regulated output voltage is controlled by pulse frequency modulated.The output voltage signal detected is sent to the second monolithic by sample circuit
Machine controls circuit, and second singlechip controls circuit to be changed according to the difference of output voltage, by the second radio communication circuit to original
The first radio communication circuit that side control circuit is sent in different control signals, primary-side-control circuit receives the second channel radio
The signal that letter circuit is sent, then the first single chip machine controlling circuit is passed to, the first single chip machine controlling circuit carrys out opening for adjusting apparatus
Close frequency；If output voltage becomes big, second singlechip control circuit can be by the second radio communication circuit to primary-side-control circuit
Send the signal of increase switching frequency；If output voltage reduces, second singlechip control circuit passes through the second radio communication circuit
The signal for reducing switching frequency is sent to primary-side-control circuit, so that the output voltage of stabilising arrangement；When second voltage detects electricity
Road detects the voltage increase at clamp capacitor two ends, and the control signal of auxiliary switch is changed into high by the first single chip machine controlling circuit
Level, auxiliary switch realizes that no-voltage is open-minded, and whether detection main switch is that no-voltage is open-minded, and main switch is if not zero electricity
Press off logical, realize that no-voltage is open-minded by PWM controls, when the drive signal of main switch is changed into high level from low level, the
The voltage at one voltage detecting circuit detection main switch drain-source two ends, if the voltage at main switch drain-source two ends is not 0, that is, does not have
Realize that no-voltage is open-minded, then the first single chip machine controlling circuit reduces the dutycycle of main switch；If main switch drain-source two ends
Voltage is 0, that is, realizes that no-voltage is open-minded, then the dutycycle of main switch is constant；After main switch realizes that no-voltage is opened,
Whether judgment means shut down, if providing stopping signal, device is stopped；If not providing stopping signal, detect defeated again
Go out voltage, repeat the above steps；
(3) if, selection constant current-supplying, first using PWM soft starts, that is, give original switching frequency, maintained switch frequency is constant,
ON time is gradually increased to setting value, and output current reaches setting electric current；When the output current of device is unstable, pass through
The output current signal detected is sent to second singlechip control circuit by the stable output current of PFM controls, sample circuit, the
Two single chip machine controlling circuits send difference by the second radio communication circuit according to the change of output current to primary-side-control circuit
Control signal, the first radio communication circuit in primary-side-control circuit receives the signal that the second radio communication circuit is sent,
The first single chip machine controlling circuit, the switching frequency of the first single chip machine controlling circuit adjusting apparatus are passed to again；If output current becomes
Greatly, second singlechip control circuit sends the letter of increase switching frequency by the second radio communication circuit to primary-side-control circuit
Number；If output current reduces, second singlechip control circuit is sent by the second radio communication circuit to primary-side-control circuit to be subtracted
The signal of small switching frequency, so that the output current of stabilising arrangement；When second voltage detects electric circuit inspection to clamp capacitor two ends
Voltage increase, the control signal of auxiliary switch is changed into high level by the first single chip machine controlling circuit, and auxiliary switch is realized
No-voltage is open-minded, and whether detection main switch is that no-voltage is open-minded, and main switch passes through PWM controls if not no-voltage is open-minded
Realize that no-voltage is open-minded, when the drive signal of main switch is changed into high level from low level, first voltage detection electric circuit inspection
The voltage at main switch drain-source two ends, if the voltage at main switch drain-source two ends is not 0, that is, it is open-minded to be not carried out no-voltage, then
First single chip machine controlling circuit reduces the dutycycle of main switch；If the voltage at main switch drain-source two ends is 0, that is, realize zero
Voltage is open-minded, then the dutycycle of main switch is constant；After main switch realizes that no-voltage is opened, whether judgment means shut down,
If providing stopping signal, device is stopped；If not providing stopping signal, output current is detected again, repeats above-mentioned step
Suddenly；Whole device by the control mode regulated output voltage or output current of frequency conversion+variable duty cycle, while make main switch and
Auxiliary switch realizes that no-voltage is open-minded, reaches the purpose of inductively coupled power transfer regulation and control.
2. the inductively coupled power transfer control method according to claim 1 with drop-down auxiliary switch, it is characterised in that：
The inductively coupled power transfer device with drop-down auxiliary switch is bipolar with LC resonance single-tube contravariants in existing ICPT devices
Property inverter topology in increase by one group of drop-down auxiliary switch branch road, concrete structure includes the first rectifier bridge, L1C1Filter circuit,
Resonant coupling circuit, main switch, the first diode, drop-down auxiliary switch branch road, the second rectifier bridge, the second filter capacitor, etc.
Effect load, primary-side-control circuit and secondary control circuit；220VacThrough the first rectifier bridge, L1C1Direct current is converted into after filter circuit
Voltage, main switch, the first diode and drop-down auxiliary switch branch road are by DC inverter into high-frequency alternating current, high-frequency alternating current
It is applied to secondary inductance two ends in the two ends of primary side inductance in resonant coupling circuit, resonant coupling circuit and induces voltage, secondary
Inductance both end voltage is converted into direct current after the second rectifier bridge, the second filter capacitor, is that equivalent load is powered；First rectifier bridge
Industrial-frequency alternating current is subjected to rectification；L1C1Filter circuit is composed in series by filter inductance and the first filter capacitor, for power frequency filter
Ripple；Resonant coupling circuit is by primary compensation capacitor, primary side screen layer, primary side inductance, secondary inductance, secondary screen layer, the first pair
Side compensating electric capacity or the second secondary compensating electric capacity electrical connection composition, for energy to be delivered into secondary from primary side, so as to be load
Power supply, the mutual inductance between primary side inductance and secondary inductance changes with the transmission range between primary side inductance and secondary inductance；It is former
Side screen layer and secondary screen layer are used to improve the device coefficient of coup and improve efficiency of transmission, weaken primary side inductance and secondary inductance
To the electromagnetic interference of former and deputy side circuit board；First secondary compensating electric capacity and the second secondary compensating electric capacity can switch mutually, if cutting
Change the first secondary compensating electric capacity into, then primary compensation capacitor and the first secondary compensating electric capacity composition primary side secondary series connection (PS) in parallel
Collocation structure output shows as constant pressure source, it is adaptable to the equipment for needing constant pressure to power, if switching to the second secondary compensating electric capacity,
Primary compensation capacitor and (PP) collocation structure output in parallel of the second secondary compensating electric capacity composition primary side secondary in parallel show as constant current
Source, it is adaptable to need the equipment of constant current-supplying；Main switch, the first diode and drop-down auxiliary switch branch road are used to realize electric energy
Inversion, the first diode is the anti-paralleled diode of main switch；Auxiliary switch, the second diode and clamp capacitor are according to electricity
Learn principle and be electrically connected composition drop-down auxiliary switch branch road, the voltage for reducing main switch drain-source two ends, wherein second
Diode is the anti-paralleled diode of auxiliary switch；Auxiliary switch is identical with main switch switching frequency, auxiliary switch
There is dead band in the conducting with main switch, the ON time of auxiliary switch is short, and conduction loss is smaller；Second rectifier bridge is used for handle
High-frequency alternating current carries out rectification, and the second filter capacitor is used for High frequency filter, and equivalent load is capacitive load or inductive load；Primary side
Circuit is controlled to include the first single chip machine controlling circuit, drive circuit, the first accessory power supply, the first radio communication circuit, the first electricity
Pressure detection circuit, remote control, second voltage detection circuit, primary-side-control circuit make main switch and auxiliary switch realize zero electricity
Logical control is pressed off, and makes device output voltage stabilization or outputting current steadily, wherein, the first single chip machine controlling circuit is according to first
The voltage signal and second for the main switch that signal of communication that radio communication circuit is received, first voltage detection electric circuit inspection are arrived
The voltage signal for the clamp capacitor that voltage detecting circuit is detected, exports the control letter of main switch and auxiliary switch respectively
Number, control signal driving main switch and auxiliary switch after drive circuit isolation amplification；First accessory power supply is first single
Piece machine controls circuit and drive circuitry；First radio communication circuit receives the feedback signal that the second radio communication circuit is sent
The control signal sent with remote control, the first radio communication circuit is to remote control emitter operating state signal；First voltage
Detection circuit is used for the voltage for detecting main switch drain-source two ends；Remote control is sent according to the first radio communication circuit received
Plant running status signal, display device output voltage, output current and whether realize that no-voltage is open-minded；Remote control is to first
Radio communication circuit emissioning controling signal, makes the first single chip machine controlling circuit select Isobarically Control or current constant control；Second voltage
The voltage at electric circuit inspection clamp capacitor two ends is detected, when the voltage increase for detecting clamp capacitor two ends, the control of the first single-chip microcomputer
The control signal of auxiliary switch is changed into high level by circuit, and auxiliary switch realizes that no-voltage is open-minded, when clamp capacitor two ends
Voltage increase when, primary side inductance by the second diode be clamp capacitor charge, the second diode current flow, auxiliary switch leakage
The voltage at source two ends is 0, and auxiliary switch realizes that no-voltage is open-minded；Secondary controls circuit by sample circuit, second singlechip control
Circuit processed, the second accessory power supply and the second radio communication circuit composition, for giving primary-side-control circuit transmission feedback signal, sampling
The output voltage and output current of circuit checker；Second singlechip controls circuit according to the letter of the sample circuit received
Number, the second radio communication circuit of control launches feedback signal to the first radio communication circuit；Second accessory power supply is the second monolithic
Machine control circuit is powered.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110365124A (en) * | 2019-08-07 | 2019-10-22 | 青岛大学 | A kind of wireless electric energy transmission device and its control method of electromagnetic oven and the dual-purpose machine of soy bean milk making machine |
| CN110544975A (en) * | 2019-09-27 | 2019-12-06 | 青岛大学 | single-tube constant-current constant-voltage wireless charging device and control method thereof |
| CN113258796A (en) * | 2021-05-12 | 2021-08-13 | 无锡猎金半导体有限公司 | AC-DC control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201405995A (en) * | 2012-07-24 | 2014-02-01 | Powerwow Technology Inc | Inductive power transmission apparatus and non-contact inductive power transmission system |
| CN103580301A (en) * | 2013-10-30 | 2014-02-12 | 青岛大学 | Wireless power transmission power control system and method |
| US8953340B2 (en) * | 2006-02-28 | 2015-02-10 | Auckland Uniservices Limited | Single phase power supply for inductively coupled power transfer systems |
| CN104753146A (en) * | 2015-04-22 | 2015-07-01 | 青岛大学 | Energy feed type variable-constant-current and positive-negative-pulse fast charging device and method |
| CN104821643A (en) * | 2015-05-25 | 2015-08-05 | 青岛大学 | Robot wireless charging device |
-
2017
- 2017-05-31 CN CN201710401372.9A patent/CN107147297B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8953340B2 (en) * | 2006-02-28 | 2015-02-10 | Auckland Uniservices Limited | Single phase power supply for inductively coupled power transfer systems |
| TW201405995A (en) * | 2012-07-24 | 2014-02-01 | Powerwow Technology Inc | Inductive power transmission apparatus and non-contact inductive power transmission system |
| CN103580301A (en) * | 2013-10-30 | 2014-02-12 | 青岛大学 | Wireless power transmission power control system and method |
| CN104753146A (en) * | 2015-04-22 | 2015-07-01 | 青岛大学 | Energy feed type variable-constant-current and positive-negative-pulse fast charging device and method |
| CN104821643A (en) * | 2015-05-25 | 2015-08-05 | 青岛大学 | Robot wireless charging device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110365124A (en) * | 2019-08-07 | 2019-10-22 | 青岛大学 | A kind of wireless electric energy transmission device and its control method of electromagnetic oven and the dual-purpose machine of soy bean milk making machine |
| CN110544975A (en) * | 2019-09-27 | 2019-12-06 | 青岛大学 | single-tube constant-current constant-voltage wireless charging device and control method thereof |
| CN113258796A (en) * | 2021-05-12 | 2021-08-13 | 无锡猎金半导体有限公司 | AC-DC control method |
| CN113258796B (en) * | 2021-05-12 | 2024-01-30 | 江苏芯潭微电子有限公司 | AC-DC control method |
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