CN106160451A - Three close-loop control power factor corrector and control method, supporting wireless charging circuit - Google Patents
Three close-loop control power factor corrector and control method, supporting wireless charging circuit Download PDFInfo
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- CN106160451A CN106160451A CN201610620779.6A CN201610620779A CN106160451A CN 106160451 A CN106160451 A CN 106160451A CN 201610620779 A CN201610620779 A CN 201610620779A CN 106160451 A CN106160451 A CN 106160451A
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- 238000007600 charging Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000033228 biological regulation Effects 0.000 claims abstract description 12
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
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- H02J7/025—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
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- H02J2007/10—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The invention provides a kind of three close-loop control power factor corrector and control method, supporting wireless charging circuit, comprising: make input current follow input voltage phase by inner ring regulation, and make its waveform sineization, thus obtain the power factor close to 1;VD by middle ring regulation power factor corrector, it is thus achieved that required contravarianter voltage;By outer shroud regulation output energy so that even if coil mutual inductance or load change, but still can be operated in constant voltage or constant current charging mode.The present invention has wireless system receiver end DC-free DC adjusting means, circuit compactness loss is little, power factor is high and the advantage such as output voltage and current adjustment.
Description
Technical field
The present invention relates to high-power wireless charging field, in particular it relates to a kind of three close-loop control being applied to wireless charging
Power factor corrector and control method, supporting wireless charging circuit.
Background technology
Past 10 years, the consumer electronics product such as smart mobile phone, laptop computer exponential form increased, and people pass through wireless network
The world enjoyed a trip to by network, enjoys the welfare that scientific and technological progress brings.But, charging is not experienced and is annoying masses, therefore always easily
Wireless charging technology receives academia and the extensive concern of science and technology industrial quarters, is also therefore manufactured that disappearing of many wireless chargings
Take the embedded device of electronic product, wireless power, the even electric automobile of wireless charging.
In recent years, wireless charging type electric automobile became an awfully hot research topic, but yet suffered from many at present
The problem needing to solve.First, battery has special requirement to charge waveforms, generally includes constant-voltage charge pattern and constant-current charge
Pattern, this requires to need design energy output regulating circuitry;Secondly, charging equipment of electric automobile belongs to high-power product, electricity
Force system has strict requirements to its power factor, and therefore current on line side has to synchronize with line voltage, and waveform is just
String, this just must add power factor corrector in prime;Furthermore, the wireless power transmission link from former limit to secondary is also
Portion of energy can be caused to be lost.It is therefore proposed that a kind of compact circuit topology is to improve the entirety of high-power wireless charging system
Efficiency is a problem demanding prompt solution.
More than synthesis, the present invention proposes a kind of three close-loop control power factor corrector being applied to wireless charging, it is intended to logical
Cross the control to power factor corrector, it is achieved net side unity power factor and output voltage and the function of current adjustment, reach
To the purpose removing secondary DC-DC adjusting means, thus improve the whole efficiency of system.
Through the retrieval to the three close-loop control power factor corrector prior art being applied to wireless charging, discovery mainly has
Following representative document:
G.Buja,M.Bertoluzzo,and K.N.Mude,"Design and Experimentation of WPT
Charger for Electric City Car,"Industrial Electronics,IEEE Transactions on,
Vol.62, pp.7436-7447,2015. 1 literary compositions propose the common design scheme of wireless electric automobile, i.e. include rectifier bridge, work(
Rate factor corrector, wireless power transmission link and secondary DC-DC circuit, but secondary DC-DC circuit is active, needs corresponding
Controller, radiator fan, drive circuit and power supply, this will necessarily increase the volume and weight of onboard charger, more sternly
Weight is that it can cause power attenuation, affects the whole efficiency of system;J.M.Miller,C.P.White,O.C.Onar,and
P.M.Ryan,"Grid side regulation of wireless power charging of plug-in electric
vehicles,"in Energy Conversion Congress and Exposition(ECCE),2012IEEE,2012,
Pp.261-268. a literary composition proposes to utilize the operating frequency of inverter, regulation output energy, but wireless charging link is in system work
Optimum efficiency is can be only achieved when making near resonant frequency, although frequency regulation can reach to export the effect of energy adjustment, but
It is that this method can cause efficiency to decline.
More than synthesis, to discovery after the retrieval of power factor corrector prior art, existing control method is all to use
Double loop control, fails effectively to utilize the function of power factor corrector, therefore, the present invention propose the power of three close-loop control because of
Number adjuster, can save the DC-DC circuit of secondary, it is achieved the design of compact wireless charging system.
Content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of three close-loop control power factor corrector and control
Method processed, supporting wireless charging circuit.
The three close-loop control power factor corrector providing according to the present invention, comprising: the first inductance, the first switch mosfet
Pipe, the 5th diode and the first electrochemical capacitor, one end of the first inductance constitutes the just defeated of three close-loop control power factor corrector
Entering end, the anode of the other end of the first inductance and the drain electrode of the first switch mosfet pipe, the 5th diode is connected, the 5th diode
Negative electrode and the positive pole of the first electrochemical capacitor be connected and constitute the positive output end of three close-loop control power factor corrector, a MOSFET
The source electrode of switching tube constitutes the negative input end of three close-loop control power factor corrector, and the negative pole of the first electrochemical capacitor constitutes three ring controls
The negative output terminal of power factor corrector processed.
According to the control method of the three close-loop control power factor corrector that the present invention provides, comprise the steps:
Outer shroud exports energy adjustment step: according to given constant-voltage charge voltage reference value Vo *Or the electric current ginseng of constant-current charge
Examine value Io *The virtual voltage V obtaining with samplingoOr electric current IoComparing, obtaining error signal, described error signal is as control
The input signal of device, by the expectation voltage V of controller output power factor adjusterd *;
Ring regulating step in the middle of voltage: the voltage obtaining sampling inputs to phaselocked loop, obtains the phase angle wt of input voltage,
Described phase angle wt is as the input of SIN function, by the electric current of output sin (wt) form of SIN function;
The electric current of current inner loop regulating step: sin (wt) form flows through first with expectation current amplitude composition current time
The expectation electric current of inductance, current time flows through the expectation electric current of the first inductance and the current time stream being obtained through current sample
Cross the actual current i of the first inductanceLObtaining deviation signal after comparing, described deviation signal produces PWM letter by PI after being regulated
Number drive the first switch mosfet pipe, the output voltage V of power factor correctordAs the input of wireless power transmission network, pass through
High-frequency inversion, be wirelessly transferred with high-frequency rectification after, the DC voltage V being obtainedoAct in load, and actual output voltage with
Current signal Vo/IoAgain pass former limit back, it is achieved Closed loop operation.
Supporting wireless charging circuit according to the three close-loop control power factor corrector that the present invention provides, comprising: rectifier bridge,
Three close-loop control power factor corrector, wireless power transmission link, wherein, power frequency ac voltage is rectified into direct current by rectifier bridge, three rings
Control power factor corrector is for the regulation of PFC and output energy, and wireless power transmission link is for passing through energy
Magnetic coupling mode is from transmission to load end.
Preferably, described rectifier bridge includes: the first diode, the second diode, the 3rd diode, the 4th diode, work
Frequently one end of AC power is connected with anode, the negative electrode of the second diode of the first diode, the other end of power frequency AC
Be connected with anode, the negative electrode of the 4th diode of the 3rd diode, the first diode, the 3rd diode negative electrode be connected constitute whole
The positive output end of stream bridge, the second diode, the 4th diode cathode are connected and constitute the negative output terminal of rectifier bridge.
Preferably, described three close-loop control power factor corrector includes: the first inductance, the first switch mosfet pipe, the 5th
Diode and the first electrochemical capacitor, one end of the first inductance is connected with the positive output end of rectifier bridge, the other end of the first inductance
Drain electrode with the first switch mosfet pipe, the anode of the 5th diode are connected, the negative electrode of the 5th diode and the first electrochemical capacitor
Positive pole be connected constitute three close-loop control power factor corrector positive output end, the source electrode of the first switch mosfet pipe and rectifier bridge
Negative output terminal be connected, the negative pole of the first electrochemical capacitor constitutes the negative output terminal of three close-loop control power factor corrector.
Preferably, described wireless power transmission link includes: H bridge, string string resonant network and uncontrollable rectifier bridge, wherein:
H bridge includes: the second switch mosfet pipe, the 3rd switch mosfet pipe, the 4th switch mosfet pipe, the 5th MOSFET
Switching tube;The positive output of the drain electrode of the second switch mosfet pipe, the drain electrode of the 4th switch mosfet pipe and power factor corrector
End is connected, and the source electrode of the second switch mosfet pipe and the drain electrode of the 3rd switch mosfet pipe are connected, the 4th switch mosfet pipe
The drain electrode of source electrode and the 5th switch mosfet pipe is connected, the source electrode of the 3rd switch mosfet pipe, the source of the 5th switch mosfet pipe
Pole is connected to the negative output terminal of power factor corrector;The source electrode of the second switch mosfet pipe constitutes the first output of H bridge, the
The source electrode of four switch mosfet pipes constitutes the second output of H bridge;
String string resonant network includes: the first equivalent parasitic resistance, the second resonant inductance, the first compensation electric capacity, the second equivalence
Dead resistance, the 3rd resonant inductance, the second compensation electric capacity, one end of the first equivalent parasitic resistance is connected to the first output of H bridge
End, the other end of the first equivalent parasitic resistance is connected to one end of the first compensation electric capacity by the second resonant inductance, and first compensates
The other end of electric capacity is connected to the second output of H bridge;There is coupling between second resonant inductance and the 3rd resonant inductance, it is achieved
Wireless power transmission;One end of 3rd resonant inductance is connected to one end of the second equivalent parasitic resistance, the 3rd resonant inductance another
One end is connected to one end of the second compensation electric capacity, and the first of the other end composition string string resonant network of the second equivalent parasitic resistance is defeated
Going out end, the other end of the second compensation electric capacity constitutes the second output of string string resonant network;
Uncontrollable rectifier bridge includes: the 6th diode, the 7th diode, the 8th diode, the 9th diode, the second electrolysis electricity
Holding, the anode of the 6th diode and the negative electrode of the 7th diode are connected and are connected to the first output of string string resonant network, the
The negative electrode of the anode of eight diodes and the 9th diode is connected and is connected to the second output of string string resonant network;Six or two pole
The positive pole of the negative electrode of pipe, the negative electrode of the 8th diode and the second electrochemical capacitor is connected;The positive pole of the 7th diode, the 9th diode
Positive pole and the second electrochemical capacitor negative pole be connected;And the positive pole of described second electrochemical capacitor is further connected to load with negative pole
Two ends.
Compared with prior art, the present invention has a following beneficial effect:
1st, the wireless system receiver end in the present invention is without adjusting means, eliminates active device and corresponding ancillary equipment,
Reduce volume and the quality of receiver, and circuit compactness loss is little.
2nd, the present invention utilizes the voltage and current of power factor corrector output voltage regulating load, at secondary without regulation dress
Remain able in the case of putting realize constant voltage or constant current charging mode.
3rd, the prime power factor corrector of the present invention makes input current sineization, be obtained in that close to 1 power because of
Number.
The efficiency of the circulation problem and frequency conversion voltage adjusting that the 4, present invention, avoiding phase-shift voltage regulating declines problem, also can fit simultaneously
When minimizing inverter switching device tube voltage stress.
Brief description
By reading the detailed description made non-limiting example with reference to the following drawings, the further feature of the present invention,
Objects and advantages will become more apparent upon:
The schematic flow sheet of the three close-loop control power factor corrector of the wireless charging for the application present invention for the Fig. 1;
Fig. 2 is the circuit theory diagrams of the three close-loop control power factor corrector of wireless charging in the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following example will assist in the technology of this area
Personnel are further appreciated by the present invention, but do not limit the present invention in any form.It should be pointed out that, the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, some changes and improvements can also be made.These broadly fall into the present invention
Protection domain.
According to the present invention provide the three close-loop control power factor corrector being applied to wireless charging, and match big
Power wireless charging circuit.Wherein, the described three close-loop control power factor corrector being applied to wireless charging, is regulated by inner ring
Make input current follow input voltage phase, and make its waveform sineization, thus obtain the power factor close to 1;In by
Between ring regulation power factor corrector VD, it is thus achieved that required inverter input voltage;Regulated by outer shroud
Output energy so that even if coil mutual inductance or load change, system also still can be operated in constant voltage or constant current mode.Described
High-power wireless charging circuit includes rectifier bridge, power factor corrector, wireless power transmission link and load, and wherein, rectifier bridge will
Power frequency ac voltage is rectified into direct current, and power factor corrector is responsible for PFC and output energy adjustment, wireless power transmission
Link is responsible for from transmitter, energy is transferred to receiver, and powering load by magnetic coupling mode.
The described three close-loop control power factor corrector being applied to wireless charging, including ring, defeated in the middle of current inner loop, voltage
Go out energy adjustment outer shroud.First, system gives the reference value of constant-voltage charge or constant-current charge, this reference value and output voltage/electricity
The stream virtual voltage that obtains of sampling or electric current compare, and the error signal of generation is as the input of controller, and controller is according to disturbing
Dynamic observation produces the expectation voltage of power factor corrector, expectation voltage and the voltage sample gained of power factor corrector
Power factor corrector output voltage compares, produced deviation signal after PI regulation as the expectation electric current of current inner loop
Amplitude, input voltage is through voltage sample again through the phase angle of the available input voltage of phaselocked loop (PLL), and gained phase angle is as just
The input of string function, the then output of SIN function flows through the expectation electricity of the first inductance with expectation current amplitude composition current time
Stream, the expectation electric current that current time flows through the first inductance flows through the first inductance with the current time being obtained through current sample
Actual current compares, and the deviation signal being obtained produces pwm signal after being regulated by PI, drives the first switch mosfet pipe,
The output voltage of power factor corrector as the input of wireless power transmission network, through high-frequency inversion, be wirelessly transferred whole with high frequency
After stream, the DC voltage being obtained acts in load, and this actual output voltage and current signal pass former limit again back, it is achieved close
Ring works.
Described rectifier bridge includes: the first diode, the second diode, the 3rd diode, the 4th diode, industrial-frequency alternating current
The one end in source is connected with anode, the negative electrode of the second diode of the first diode, the other end of power frequency AC and the three or two
The anode of pole pipe, the negative electrode of the 4th diode are connected, and the first diode, the negative electrode of the 3rd diode are just being connected composition rectifier bridge
Output, the second diode, the 4th diode cathode are connected and constitute the negative output terminal of rectifier bridge.
Described power factor corrector includes: the first inductance, the first switch mosfet pipe, the 5th diode and the first electricity
Solving electric capacity, one end of the first inductance is connected with the positive output end of rectifier bridge, the other end of the first inductance and the first switch mosfet
The drain electrode of pipe, the anode of the 5th diode are connected, and the negative electrode of the 5th diode and the positive pole of the first electrochemical capacitor are connected and constitute work(
The positive output end of rate factor corrector, the source electrode of the first switch mosfet pipe is connected with the negative output terminal of rectifier bridge, the first electrolysis
The negative pole of electric capacity constitutes the negative output terminal of power factor corrector.
Described wireless power transmission link includes: H bridge, string string resonant network and uncontrollable rectifier bridge, wherein:
H bridge includes: the second switch mosfet pipe, the 3rd switch mosfet pipe, the 4th switch mosfet pipe, the 5th MOSFET
Switching tube;The positive output of the drain electrode of the second switch mosfet pipe, the drain electrode of the 4th switch mosfet pipe and power factor corrector
End is connected, and the source electrode of the second switch mosfet pipe and the drain electrode of the 3rd switch mosfet pipe are connected, the 4th switch mosfet pipe
The drain electrode of source electrode and the 5th switch mosfet pipe is connected, the source electrode of the 3rd switch mosfet pipe, the source of the 5th switch mosfet pipe
Pole is connected to the negative output terminal of power factor corrector;The source electrode of the second switch mosfet pipe constitutes the first output of H bridge, the
The source electrode of four switch mosfet pipes constitutes the second output of H bridge;
String string resonant network includes: the first equivalent parasitic resistance, the second resonant inductance, the first compensation electric capacity, the second equivalence
Dead resistance, the 3rd resonant inductance, the second compensation electric capacity, one end of the first equivalent parasitic resistance is connected to the first output of H bridge
End, the other end of the first equivalent parasitic resistance is connected to one end of the first compensation electric capacity by the second resonant inductance, and first compensates
The other end of electric capacity is connected to the second output of H bridge;There is coupling between second resonant inductance and the 3rd resonant inductance, it is achieved
Wireless power transmission;One end of 3rd resonant inductance is connected to one end of the second equivalent parasitic resistance, the 3rd resonant inductance another
One end is connected to one end of the second compensation electric capacity, and the first of the other end composition string string resonant network of the second equivalent parasitic resistance is defeated
Going out end, the other end of the second compensation electric capacity constitutes the second output of string string resonant network;
Uncontrollable rectifier bridge includes: the 6th diode, the 7th diode, the 8th diode, the 9th diode, the second electrolysis electricity
Holding, the anode of the 6th diode and the negative electrode of the 7th diode are connected and are connected to the first output of string string resonant network, the
The negative electrode of the anode of eight diodes and the 9th diode is connected and is connected to the second output of string string resonant network;Six or two pole
The positive pole of the negative electrode of pipe, the negative electrode of the 8th diode and the second electrochemical capacitor is connected;The positive pole of the 7th diode, the 9th diode
Positive pole and the second electrochemical capacitor negative pole be connected;And the positive pole of described second electrochemical capacitor is further connected to load with negative pole
Two ends.
As it is shown in figure 1, the present embodiment provides a kind of three close-loop control power factor corrector being applied to wireless charging and phase
Supporting high-power wireless charging circuit.It is applied to the three close-loop control power factor corrector of wireless charging, current inner loop, voltage
Middle ring, output energy adjustment outer shroud.First, system gives reference value V of constant-voltage charge or constant-current chargeo */Io *, this reference
Virtual voltage that the sampling of value and output voltage/electric current obtains or electric current Vo/IoComparing, the error signal of generation is as controller
Input, controller according to disturbance observation produce power factor corrector expectation voltage Vd *, the phase of power factor corrector
Hope voltage Vd *Power factor corrector output voltage V with voltage sample gaineddComparing, produced deviation signal is adjusted through PI
As the expectation current amplitude of current inner loop after joint, input voltage is available defeated through phaselocked loop (PLL) again through voltage sample
Enter the phase angle wt of voltage, gained phase angle as the input of SIN function, then the output sin (wt) of SIN function with expectation electric current
Amplitude composition current time flows through the expectation electric current of the first inductance, and current time flows through the expectation electric current of the first inductance and through electricity
Stream the obtained current time of sampling flows through the actual current i of the first inductanceLComparing, the deviation signal being obtained is adjusted by PI
Produce pwm signal after joint, drive switch mosfet pipe S1, the output voltage V of power factor correctordAs wireless power transmission network
Input, through high-frequency inversion, be wirelessly transferred with high-frequency rectification after, the DC voltage V being obtainedoActing in load, this is real
Border output voltage and current signal Vo/IoAgain pass former limit back, it is achieved Closed loop operation.
Described rectifier bridge includes four diode D1-D4, power frequency AC VinOne end and diode anode D1, two poles
The negative electrode of pipe D2 is connected, power frequency AC VinThe other end be connected with anode, the negative electrode of diode D4 of diode D3, two poles
Pipe D1, the negative electrode of diode D3 are connected to form direct current input positive pole, and diode D2, that the anode of diode D4 is connected to form direct current is defeated
Enter negative pole;
Described power factor corrector, including inductance L1, an a switch mosfet pipe S1 and diode D5, electricity
One end of sense L1 is connected with the positive pole of rectifier bridge, and the other end is connected with drain electrode, the anode of diode D5 of switch mosfet pipe S1,
The positive pole of the negative electrode of diode D5 and electrochemical capacitor E1 is connected to form the positive pole of voltage source inverter, the source of switch mosfet pipe S1
Pole is connected to form the negative pole of voltage source inverter with the negative pole of rectifier bridge and the negative pole of electrochemical capacitor E1;
Described wireless power transmission link includes H bridge, string string resonant network and uncontrollable rectifier bridge, and wherein H bridge is by four MOSFET
Switching tube S2-S5 forms, and switch mosfet pipe S2 is connected with electrochemical capacitor E1 positive pole with switch mosfet pipe S4 drain electrode, MOSFET
The source electrode of switching tube S2 and the drain electrode of switch mosfet pipe S3, string string network resonance inductance L1 (include inductance L1 and corresponding etc.
Effect dead resistance R1) one end be connected, the other end of resonant inductance L1 with compensate electric capacity C1 one end be connected, compensation electric capacity C1 another
One end is connected with source electrode, the drain electrode of switch mosfet pipe S5 of switch mosfet pipe S4, the drain electrode of switch mosfet pipe S3,
The drain electrode of switch mosfet pipe S5 is connected with the negative pole of electrochemical capacitor E1, string string resonant network secondary resonant inductance L3 one end with
The anode of the diode D6 of uncontrollable rectifier bridge, the negative electrode of diode D7 are connected, the other end of resonant inductance L3 and compensation electric capacity C2
One end be connected, compensate electric capacity C2 the other end be connected with anode, the negative electrode of diode D9 of diode D8, the moon of diode D6
Pole, the negative electrode of diode D8, the positive pole of electrochemical capacitor E2, one end of load RL be connected, the anode of diode D7, diode D9
Anode, the negative electrode of electrochemical capacitor E2, the other end of load RL are connected.
The key principle of the present invention is: traditional power factor corrector uses Double-loop Control Strategy, it means that work(
The output voltage of rate factor corrector is invariable, it is therefore necessary to increase output voltage or electric current at wireless power transmission receiving terminal
Regulation circuit, makes output meet the requirement of load.But, wireless charging is most concerned with the situation of output voltage and electric current, work(
The output voltage of rate factor corrector can change, and therefore invention increases the 3rd ring output energy adjustment ring, and this ring passes through
Output voltage and the negative feedback of electric current, dynamically regulate the output voltage of power factor corrector to compensate load or former secondary
Mutual inductance changes brought exporting change, is capable of constant-voltage charge or constant-current charge mould in the case that receiver is passive
Formula.
In this example: AC-input voltage width scope, 380V ± 15%, power frequency 50Hz or 60Hz, nominal input voltage
380VAC;
Electrochemical capacitor E1-E2:450V, 6800 μ F, four parallel connections;
Diode D1-D9:600V, 300A/100 DEG C;
Smoothing reactor L1:2.2mH, 20A, 0.35mm are thick, silicon steel;
Resonant inductance L2, L3:0.47mH, 50A, circular coil;
MOSFET and reverse fast recovery diode S1-S5:600V, 250A/100 DEG C, single brachium pontis MOSFET module.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make a variety of changes within the scope of the claims or change, this not shadow
Ring the flesh and blood of the present invention.In the case of not conflicting, feature in embodiments herein and embodiment can any phase
Combination mutually.
Claims (6)
1. a three close-loop control power factor corrector, it is characterised in that include: the first inductance, the first switch mosfet pipe,
Five diodes and the first electrochemical capacitor, one end of the first inductance constitutes the positive input terminal of three close-loop control power factor corrector,
The drain electrode of the other end of the first inductance and the first switch mosfet pipe, the anode of the 5th diode are connected, the moon of the 5th diode
Pole is connected with the positive pole of the first electrochemical capacitor and constitutes the positive output end of three close-loop control power factor corrector, the first switch mosfet
The source electrode of pipe constitutes the negative input end of three close-loop control power factor corrector, and the negative pole of the first electrochemical capacitor constitutes three close-loop control work(
The negative output terminal of rate factor corrector.
2. the control method of a three close-loop control power factor corrector, it is characterised in that comprise the steps:
Outer shroud exports energy adjustment step: according to given constant-voltage charge voltage reference value Vo *Or the current reference value of constant-current charge
Io *The virtual voltage V obtaining with samplingoOr electric current IoComparing, obtaining error signal, described error signal is as controller
Input signal, by the expectation voltage V of controller output power factor adjusterd *;
Ring regulating step in the middle of voltage: the voltage obtaining sampling inputs to phaselocked loop, obtains the phase angle wt of input voltage, described
Phase angle wt is as the input of SIN function, by the electric current of output sin (wt) form of SIN function;
The electric current of current inner loop regulating step: sin (wt) form flows through the first inductance with expectation current amplitude composition current time
Expectation electric current, current time flows through the expectation electric current of the first inductance and the current time being obtained through current sample flows through the
The actual current i of one inductanceLObtaining deviation signal after comparing, described deviation signal is produced pwm signal after being regulated by PI and drives
Dynamic first switch mosfet pipe, the output voltage V of power factor correctordAs the input of wireless power transmission network, through high frequency
Inversion, be wirelessly transferred with high-frequency rectification after, the DC voltage V being obtainedoAct in load, and actual output voltage and electric current
Signal Vo/IoAgain pass former limit back, it is achieved Closed loop operation.
3. the supporting wireless charging circuit of a three close-loop control power factor corrector, it is characterised in that include: rectifier bridge, three
Ring control power factor corrector, wireless power transmission link, wherein, power frequency ac voltage is rectified into direct current by rectifier bridge, three ring controls
Power factor corrector processed is for the regulation of PFC and output energy, and wireless power transmission link is for passing through magnetic by energy
Coupled modes are transmitted to load end.
4. the supporting wireless charging circuit of three close-loop control power factor corrector according to claim 3, it is characterised in that
Described rectifier bridge includes: the first diode, the second diode, the 3rd diode, the 4th diode, one end of power frequency AC
It is connected with anode, the negative electrode of the second diode of the first diode, the other end of power frequency AC and the sun of the 3rd diode
Pole, the negative electrode of the 4th diode are connected, and the first diode, the negative electrode of the 3rd diode are connected and constitute the positive output end of rectifier bridge,
Second diode, the 4th diode cathode are connected and constitute the negative output terminal of rectifier bridge.
5. the supporting wireless charging circuit of three close-loop control power factor corrector according to claim 3, it is characterised in that
Described three close-loop control power factor corrector includes: the first inductance, the first switch mosfet pipe, the 5th diode and the first electricity
Solving electric capacity, one end of the first inductance is connected with the positive output end of rectifier bridge, the other end of the first inductance and the first switch mosfet
The drain electrode of pipe, the anode of the 5th diode are connected, and the negative electrode of the 5th diode and the positive pole of the first electrochemical capacitor are connected composition three
The positive output end of ring control power factor corrector, the source electrode of the first switch mosfet pipe is connected with the negative output terminal of rectifier bridge,
The negative pole of the first electrochemical capacitor constitutes the negative output terminal of three close-loop control power factor corrector.
6. the supporting wireless charging circuit of three close-loop control power factor corrector according to claim 3, it is characterised in that
Described wireless power transmission link includes: H bridge, string string resonant network and uncontrollable rectifier bridge, wherein:
H bridge includes: the second switch mosfet pipe, the 3rd switch mosfet pipe, the 4th switch mosfet pipe, the 5th switch mosfet
Pipe;The drain electrode of the second switch mosfet pipe, the positive output end phase of drain electrode and power factor corrector of the 4th switch mosfet pipe
Even, the source electrode of the second switch mosfet pipe and the drain electrode of the 3rd switch mosfet pipe is connected, the source electrode of the 4th switch mosfet pipe
Drain electrode with the 5th switch mosfet pipe is connected, and the source electrode of the 3rd switch mosfet pipe, the source electrode of the 5th switch mosfet pipe are even
It is connected to the negative output terminal of power factor corrector;First output of the source electrode composition H bridge of the second switch mosfet pipe, the 4th
The source electrode of switch mosfet pipe constitutes the second output of H bridge;
String string resonant network includes: the first equivalent parasitic resistance, the second resonant inductance, the first compensation electric capacity, the second equivalent parasitic
Resistance, the 3rd resonant inductance, the second compensation electric capacity, one end of the first equivalent parasitic resistance is connected to the first output of H bridge, the
The other end of one equivalence dead resistance is connected to one end of the first compensation electric capacity by the second resonant inductance, the first compensation electric capacity
The other end is connected to the second output of H bridge;There is coupling, it is achieved radio between second resonant inductance and the 3rd resonant inductance
Can transmission;One end of 3rd resonant inductance is connected to one end of the second equivalent parasitic resistance, and the other end of the 3rd resonant inductance is even
Being connected to one end of the second compensation electric capacity, the other end of the second equivalent parasitic resistance constitutes the first output of string string resonant network,
The other end of the second compensation electric capacity constitutes the second output of string string resonant network;
Uncontrollable rectifier bridge includes: the 6th diode, the 7th diode, the 8th diode, the 9th diode, the second electrochemical capacitor,
The negative electrode of the anode of the 6th diode and the 7th diode be connected and be connected to string string resonant network the first output, the eight or two
The negative electrode of the anode of pole pipe and the 9th diode is connected and is connected to the second output of string string resonant network;6th diode
The positive pole of negative electrode, the negative electrode of the 8th diode and the second electrochemical capacitor is connected;The positive pole of the 7th diode, the 9th diode are just
Pole is connected with the negative pole of the second electrochemical capacitor;And the positive pole of described second electrochemical capacitor is further connected to the two of load with negative pole
End.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110231846A (en) * | 2019-06-10 | 2019-09-13 | 西安微电子技术研究所 | A kind of power module feedback control circuit difunctional with constant current and constant pressure |
WO2021088273A1 (en) * | 2019-11-04 | 2021-05-14 | 海信视像科技股份有限公司 | Display device and compensation circuit |
GB2597727A (en) * | 2020-07-31 | 2022-02-09 | Energy Res Lab Ltd | Power supply apparatus |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1613179A (en) * | 2001-12-11 | 2005-05-04 | 京特·比尔 | Compensated, digital class D amplifier |
CN103532367A (en) * | 2012-07-03 | 2014-01-22 | 珠海格力电器股份有限公司 | Interlaced PFC control method and apparatus |
CN203660621U (en) * | 2013-12-12 | 2014-06-18 | 北汽福田汽车股份有限公司 | Main circuit topological structure applied to wireless charger of electric vehicle |
CN204681144U (en) * | 2015-06-02 | 2015-09-30 | 芜湖瑞泰精密机械有限公司 | Automobile wireless charging device |
CN105680570A (en) * | 2016-02-26 | 2016-06-15 | 邓安达 | Wireless charging system |
-
2016
- 2016-08-01 CN CN201610620779.6A patent/CN106160451B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1613179A (en) * | 2001-12-11 | 2005-05-04 | 京特·比尔 | Compensated, digital class D amplifier |
CN103532367A (en) * | 2012-07-03 | 2014-01-22 | 珠海格力电器股份有限公司 | Interlaced PFC control method and apparatus |
CN203660621U (en) * | 2013-12-12 | 2014-06-18 | 北汽福田汽车股份有限公司 | Main circuit topological structure applied to wireless charger of electric vehicle |
CN204681144U (en) * | 2015-06-02 | 2015-09-30 | 芜湖瑞泰精密机械有限公司 | Automobile wireless charging device |
CN105680570A (en) * | 2016-02-26 | 2016-06-15 | 邓安达 | Wireless charging system |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110231846A (en) * | 2019-06-10 | 2019-09-13 | 西安微电子技术研究所 | A kind of power module feedback control circuit difunctional with constant current and constant pressure |
WO2021088273A1 (en) * | 2019-11-04 | 2021-05-14 | 海信视像科技股份有限公司 | Display device and compensation circuit |
US11900855B2 (en) | 2019-11-04 | 2024-02-13 | Hisense Visual Technology Co., Ltd. | Display apparatus |
GB2597727A (en) * | 2020-07-31 | 2022-02-09 | Energy Res Lab Ltd | Power supply apparatus |
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