CN106655804A - Vienna PFC-based intelligent half-bridge correction wave voltage conversion circuit - Google Patents
Vienna PFC-based intelligent half-bridge correction wave voltage conversion circuit Download PDFInfo
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- CN106655804A CN106655804A CN201710032376.4A CN201710032376A CN106655804A CN 106655804 A CN106655804 A CN 106655804A CN 201710032376 A CN201710032376 A CN 201710032376A CN 106655804 A CN106655804 A CN 106655804A
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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
- H02M1/4225—Arrangements for improving power factor of AC input using a non-isolated boost converter
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a Vienna PFC-based intelligent half-bridge correction wave voltage conversion circuit, which comprises an input unit, a Vienna PFC booster unit and a half-bridge inverter unit, wherein the Vienna PFC booster unit comprises a boost inductor, a first switch tube, a first diode, a second diode, a third diode, a fourth diode, a fifth diode, a sixth diode, a first electrolytic capacitor and a second electrolytic capacitor; a grid of the first switch tube is used for being connected to a PWM pulse signal; an anode of the first electrolytic capacitor is taken as the anode of an output end of the Vienna PFC booster unit; a cathode of the second electrolytic capacitor is taken as the cathode of the output end of the Vienna PFC booster unit; and the half-bridge inverter unit is connected to the output end of the Vienna PFC booster unit and is used for carrying out inverse conversion on output voltage of the Vienna PFC booster unit. According to the Vienna PFC-based intelligent half-bridge correction wave voltage conversion circuit, the quality of the output voltage can be improved and the cost of the circuit can be reduced.
Description
Technical field
The present invention relates to voltage conversion circuit, more particularly to a kind of intelligent half-bridge amendment ripple electricity based on Vienna PFC
Voltage conversion circuit.
Background technology
In prior art, the intelligent boost-buck conversion equipment for turning AC by AC is otherwise known as travelling insert row, in the device, voltage
Change-over circuit is its Key Circuit, is a kind of circuit that can realize AC-AC conversion, can realize buck in AC-AC conversion
And the function of burning voltage and frequency.But current AC-AC just meaningful formula equipment Market great majority using complicated topological circuit
Structure, involved unit module is more, not only relatively costly, and PF values are low, output voltage quality is low, security reliability
Difference.
The content of the invention
The technical problem to be solved in the present invention is, for the deficiencies in the prior art, there is provided one kind can simplify circuit structure,
Improve PF values, improve output voltage quality, and the cost-effective intelligent half-bridge amendment wave voltage based on Vienna PFC turns
Change circuit.
To solve above-mentioned technical problem, the present invention is adopted the following technical scheme that.
A kind of intelligent half-bridge amendment wave voltage change-over circuit based on Vienna PFC, it is included：One input block,
For accessing electrical network alternating current；One Vienna PFC boost unit, include boost inductance, first switch pipe, the first diode,
Second diode, the 3rd diode, the 4th diode, the 5th diode, the 6th diode, the first electrochemical capacitor and the second electrolysis
Electric capacity, the front end of the boost inductance is connected to the first output end of input block, and the rear end of the boost inductance is connected to
The negative electrode of the anode of one diode and the second diode, the drain electrode of the first switch pipe and the negative electrode of the 3rd diode are all connected with
In the negative electrode of the first diode, the source electrode of the first switch pipe and the anode of the 4th diode are all connected to the second diode
Anode, the grid of the first switch pipe is used to access pwm pulse signal, and the anode of the 5th diode is connected to the three or two
The negative electrode of pole pipe, the negative electrode of the 5th diode is connected to the positive pole of the first electrochemical capacitor, first electrochemical capacitor it is negative
Pole is connected to the positive pole of the second electrochemical capacitor, and the negative electrode of the 6th diode is connected to the anode of the 4th diode, and described
The anode of six diodes is connected to the second electrochemical capacitor negative pole, negative electrode, the positive pole of the second electrochemical capacitor of the 4th diode
It is connected with the second output end of input block and the tie point is used as holding altogether, the positive pole of first electrochemical capacitor is used as dimension
Also the output head anode of PFC boost unit is received, the output of the negative pole of second electrochemical capacitor as Vienna PFC boost unit
End negative pole；One half-bridge inversion unit, is connected to the output end of Vienna PFC boost unit, and it is right that the semi-bridge inversion unit is used for
The output voltage of Vienna PFC boost unit carries out inversion conversion.
Preferably, the input block includes socket, the first insurance, lightning protection resistance, common mode inhibition inductance and safety electricity
Hold, first insurance is serially connected with the zero line of socket or live wire, and the front end of the common mode inhibition inductance is parallel to socket, described
Lightning protection resistance is parallel to the front end of common mode inhibition inductance, and the safety electric capacity is parallel to the rear end of common mode inhibition inductance, and described
Output end of the rear end of common mode inhibition inductance as input block.
Preferably, a control unit is also included, the grid of the first switch pipe is connected to control unit, the control
Unit is used to load pwm pulse signal to the grid of first switch pipe.
Preferably, described control unit includes single-chip microcomputer and its peripheral circuit.
Preferably, the semi-bridge inversion unit includes second switch pipe, the 3rd switching tube, the 3rd electrochemical capacitor and the 4th
Electrochemical capacitor, the drain electrode of the second switch pipe and the positive pole of the 3rd electrochemical capacitor are all connected to Vienna PFC boost unit
Output head anode, the source electrode of the second switch pipe is connected to the drain electrode of the 3rd switching tube, the source electrode of the 3rd switching tube and
The negative pole of the 4th electrochemical capacitor is all connected to the negative pole of output end of Vienna PFC boost unit, the grid of the second switch pipe
It is respectively used to access pwm control signal with the grid of the 3rd switching tube, to make the second switch pipe and the 3rd switching tube replace
Conducting, the negative pole of the 3rd electrochemical capacitor and the positive pole of the 4th electrochemical capacitor are all connected to holding altogether, and the 4th electrolysis electricity
, used as the first output end of semi-bridge inversion unit, the source electrode of the second switch pipe is used as the of semi-bridge inversion unit for the positive pole of appearance
Two output ends.
Preferably, the source electrode of the 3rd switching tube is serially connected with current-limiting resistance, and the source electrode of the 3rd switching tube is connected to
Control unit, to make described control unit gather the electric signal of the 3rd switching tube source electrode.
Preferably, the second insurance is also included, second insurance is serially connected with the first output end of semi-bridge inversion unit.
Preferably, a voltage sampling unit is also included, the voltage sampling unit includes first for being sequentially connected in series and adopts
Sample resistance and the second sampling resistor, the front end of first sampling resistor is connected to the drain electrode of second switch pipe, and described second adopts
The rear end of sample resistance is connected to control unit, to make the electric signal of described control unit collection second switch pipe drain electrode.
Preferably, an AC sampling unit is also included, the AC sampling unit is connected to the input of input block
Between control unit, the AC sampling unit is used to gather the voltage of input block AC and feed back to control unit.
Preferably, the AC sampling unit includes amplifier, and two inputs of the amplifier are respectively by current limliting electricity
Hinder and be connected to the input of input block, the output end of the amplifier is connected to control unit.
In intelligent half-bridge amendment wave voltage change-over circuit based on Vienna PFC disclosed by the invention, work as input block
During by alternating current transmission to Vienna PFC boost unit, Vienna PFC boost unit enters boost mode, is opened up with improving conversion
The PF values of circuit are flutterred, it is positive and negative busbar voltage that the first electrochemical capacitor and the filtered voltage of the second electrochemical capacitor are passed through after boosting,
Specific boosting principle is as follows：When the alternating voltage of input block output is upper just lower negative, when first switch pipe is turned on, input
The boosted inductance of electric current, the first diode, first switch pipe, the 4th diode, the input block of the output end of unit first output
The second output end formed loop, boost inductance storage energy；When first switch pipe is turned off, the energy Jing of boost inductance release
First diode, the 5th diode, the first electrochemical capacitor, input block return the front end of boost inductance, such boost inductance
It is straight that the induced voltage of generation is born under being formed on the first electrochemical capacitor just Jing after the first diode, the 5th diode rectification
Stream voltage.When the alternating voltage of input block output is upper negative lower timing, the conducting of first switch pipe, the electric current of input block output
Boosted inductance, the second diode, first switch pipe, the 3rd diode, input block form loop, boost inductance storage energy
Amount；It is energy Jing second diodes of continued flow tube of boost inductance release, the 6th diode, second electric when first switch pipe is turned off
Solution electric capacity, input block return boost inductance, such boost inductance by the diodes of induced voltage Jing second for producing, the six or two
Just lower negative DC voltage can be formed after pole pipe rectification on the second electrochemical capacitor.Due to the first electrochemical capacitor and the second electrolysis
Capacitances in series, so the voltage in the positive pole formation of the first electrochemical capacitor is relative to the first electrochemical capacitor and the second electrochemical capacitor
Intermediate point be positive voltage, the second electrochemical capacitor negative pole formed voltage be electric relative to the first electrochemical capacitor and second
The intermediate point of solution electric capacity is negative voltage.Its conducting is adjusted by the dutycycle of the pwm signal of adjustment first switch tube grid
Time so that alternating current and the electric current of input side of voltage conversion circuit output, voltage-phase are consistent improving PF values.Based on upper
Structure is stated, the present invention not only increases the PF values of voltage conversion circuit, also improves output voltage quality so that voltage conversion mistake
Cheng Gengjia is safe and reliable.The simultaneously simple structure of voltage conversion circuit of the present invention, involved unit module is less, not only reduces
The fault rate of product, and save small product size, reduce product cost.
Description of the drawings
Fig. 1 is the schematic diagram of present invention amendment wave voltage change-over circuit.
Fig. 2 is the circuit theory diagrams of AC sampling unit in the preferred embodiment of the present invention.
Fig. 3 is the circuit theory diagrams of control unit in the preferred embodiment of the present invention.
Specific embodiment
The present invention is described in more detail with reference to the accompanying drawings and examples.
The invention discloses a kind of intelligent half-bridge amendment wave voltage change-over circuit based on Vienna PFC, with reference to Fig. 1 extremely
Shown in Fig. 3, it is included：
One input block 10, for accessing electrical network alternating current；
One Vienna PFC boost unit 20, include boost inductance L2, first switch pipe Q3, the first diode D1, second
Diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6, the first electrochemical capacitor C1 and
The front end of the second electrochemical capacitor C2, the boost inductance L2 is connected to the first output end of input block 10, the boost inductance
The rear end of L2 is connected to the negative electrode of the anode of the first diode D1 and the second diode D2, the drain electrode of the first switch pipe Q3 and
The negative electrode of the 3rd diode D3 is all connected to the negative electrode of the first diode D1, the source electrode of the first switch pipe Q3 and the four or two pole
The anode of pipe D4 is all connected to the anode of the second diode D2, and the grid of the first switch pipe Q3 is used to access pwm pulse letter
Number, the anode of the 5th diode D5 is connected to the negative electrode of the 3rd diode D3, the negative electrode connection of the 5th diode D5
In the positive pole of the first electrochemical capacitor C1, the negative pole of the first electrochemical capacitor C1 is connected to the positive pole of the second electrochemical capacitor C2, institute
The negative electrode for stating the 6th diode D6 is connected to the anode of the 4th diode D4, and the anode of the 6th diode D6 is connected to second
Electrochemical capacitor C2 negative poles, the second of the negative electrode of the 4th diode D4, the positive pole of the second electrochemical capacitor C2 and input block 10
Output end is connected and the tie point is used as holding altogether, and the positive pole of the first electrochemical capacitor C1 is used as Vienna PFC boost list
The output head anode of unit 20, the negative pole of output end of the negative pole of the second electrochemical capacitor C2 as Vienna PFC boost unit 20；
One half-bridge inversion unit 30, is connected to the output end of Vienna PFC boost unit 20, the semi-bridge inversion unit 30
For carrying out inversion conversion to the output voltage of Vienna PFC boost unit 20.
In above-mentioned amendment wave voltage change-over circuit, when input block 10 by alternating current transmission to Vienna PFC boost unit
When 20, Vienna PFC boost unit enters boost mode, electric by first after boosting to improve the PF values of conversion topologies circuit
Solution electric capacity C1 and the filtered voltages of the second electrochemical capacitor C2 are positive and negative busbar voltage, and specific boosting principle is as follows：Work as input
When the alternating voltage of the output of unit 10 is upper just lower negative, when first switch pipe Q3 is turned on, the output of the output end of input block 10 first
The boosted inductance L2 of electric current, the first diode D1, first switch pipe Q3, the 4th diode D4, input block 10 it is second defeated
Go out end and form loop, boost inductance L2 storage energy；When first switch pipe Q3 is turned off, the energy Jing the of boost inductance L2 releases
One diode D1, the 5th diode D5, the first electrochemical capacitor C1, input block 10 return the front end of boost inductance L2, so
The induced voltage that boost inductance L2 is produced can be on the first electrochemical capacitor C1 Jing after the first diode D1, the 5th diode D5 rectifications
Just lower negative DC voltage in formation.When the alternating voltage of the output of input block 10 is upper negative lower timing, first switch pipe Q3 leads
It is logical, it is the boosted inductance L2 of electric current of the output of input block 10, the second diode D2, first switch pipe Q3, the 3rd diode D3, defeated
Enter unit 10 and form loop, boost inductance L2 storage energy；When first switch pipe Q3 is turned off, the energy of boost inductance L2 releases
Jing continued flow tubes the second diode D2, the 6th diode D6, the second electrochemical capacitor C2, input block 10 return boost inductance L2,
So boost inductance L2 can be in the second electrolysis electricity Jing after the second diode D2, the 6th diode D6 rectifications by the induced voltage for producing
Hold and just lower negative DC voltage is formed on C2.Because the first electrochemical capacitor C1 and the second electrochemical capacitor C2 connect, so the
The voltage that the positive pole of one electrochemical capacitor C1 is formed is to be relative to the intermediate point of the first electrochemical capacitor C1 and the second electrochemical capacitor C2
Positive voltage, the voltage formed in the negative pole of the second electrochemical capacitor C2 is relative to the first electrochemical capacitor C1 and the second electrochemical capacitor
The intermediate point of C2 is negative voltage.Adjusted during its conducting by the dutycycle of the pwm signal of adjustment first switch pipe Q3 grids
Between so that alternating current and the electric current of input side of voltage conversion circuit output, voltage-phase are consistent improving PF values.Based on above-mentioned
Structure, the present invention not only increases the PF values of voltage conversion circuit, also improves output voltage quality so that voltage conversion process
It is more safe and reliable.The simultaneously simple structure of voltage conversion circuit of the present invention, involved unit module is less, not only reduces
The fault rate of product, and small product size is saved, reduce product cost.
With regard to importation, the input block 10 includes socket, the first insurance F2, lightning protection resistance RV1, common mode inhibition
Inductance L1 and safety electric capacity CX1, the first insurance F2 is serially connected with the zero line of socket or live wire, the common mode inhibition inductance L1
Front end be parallel to socket, the lightning protection resistance RV1 is parallel to the front end of common mode inhibition inductance L1, and the safety electric capacity CX1 is simultaneously
The rear end of common mode inhibition inductance L1, and the rear end of the common mode inhibition inductance L1 are coupled to as the output end of input block 10.
As a kind of preferred embodiment, Fig. 3 is refer to, the present embodiment also includes a control unit 60, the first switch
The grid of pipe Q3 is connected to control unit 60, and described control unit 60 is used to load pwm pulse to the grid of first switch pipe Q3
Signal.Further, described control unit 60 includes single-chip microcomputer U1 and its peripheral circuit.
With regard to Converting Unit, the semi-bridge inversion unit 30 includes second switch pipe Q1, the 3rd switching tube Q2, the 3rd electric
The drain electrode of solution electric capacity C3 and the 4th electrochemical capacitor C4, the second switch pipe Q1 and the positive pole of the 3rd electrochemical capacitor C3 are all connected to
The output head anode of Vienna PFC boost unit 20, the source electrode of the second switch pipe Q1 is connected to the leakage of the 3rd switching tube Q2
Pole, the source electrode of the 3rd switching tube Q2 and the negative pole of the 4th electrochemical capacitor C4 are all connected to Vienna PFC boost unit 20
Negative pole of output end, the grid of the second switch pipe Q1 and the grid of the 3rd switching tube Q2 are respectively used to access pwm control signal,
To make the second switch pipe Q1 and the 3rd switching tube Q2 alternate conductions, the negative pole of the 3rd electrochemical capacitor C3 and the 4th electrolysis
The positive pole of electric capacity C4 is all connected to holding altogether, and the positive pole of the 4th electrochemical capacitor C4 is used as the first defeated of semi-bridge inversion unit 30
Go out end, the second output end of the source electrode of the second switch pipe Q1 as semi-bridge inversion unit 30.
Above-mentioned semi-bridge inversion unit 30 is by second switch pipe Q1, the 3rd switching tube Q2, the 3rd electrochemical capacitor C3, the 4th electrolysis
Electric capacity C4 is constituted, and through the first electrochemical capacitor C1, the second electrochemical capacitor C2 filter circuits positive negative dc voltage, Jing second are filtered into
Switching tube Q1, load, the 3rd electrochemical capacitor C3 form loop powering load and form first half period amendment ripple level；Second
Individual half period amendment string level forms loop by the 3rd switching tube Q2, load, the 4th electrochemical capacitor C4, so in load just
Define a complete power frequency amendment alternating current wave pressure.The pwm signal of control chip output is sent respectively Jing after drive circuit
PWM2H, PWM2L are to second switch pipe Q1, the GATE poles of the 3rd switching tube Q2.Phase place in inversion phase inverter and frequency according to
The pattern of control chip inner setting is operated.Simultaneously the 3rd electrochemical capacitor C3, the 4th electrochemical capacitor C4 also have the work for filtering
With. the control of this inverter circuit is simple, and circuit is with low cost only with two metal-oxide-semiconductors.
In the present embodiment, for the ease of being acquired to electric signal in inverter circuit, the source electrode of the 3rd switching tube Q2
Current-limiting resistance (R3, R4, R5) is serially connected with, the source electrode of the 3rd switching tube Q2 is connected to control unit 60, to make the control
Unit 60 gathers the electric signal of the 3rd switching tube Q2 source electrodes.
Further, the semi-bridge inversion unit 30 also includes the second insurance F1, and the second insurance F1 is serially connected with half-bridge
First output end of inversion unit 30.
In the present embodiment, a voltage sampling unit 40 is also included, the voltage sampling unit 40 is included and is sequentially connected in series
The first sampling resistor 13 and the second sampling resistor R15, the front end of first sampling resistor 13 is connected to second switch pipe Q1
Drain electrode, the rear end of the second sampling resistor R15 is connected to control unit 60, to make the collection of described control unit 60 second open
Close the electric signal of pipe Q1 drain electrodes.
For the ease of detecting to AC electric signal, Fig. 2 is refer to, the present embodiment also includes an AC sampling list
Unit 50, the AC sampling unit 50 is connected between the input of input block 10 and control unit 60, the AC sampling
Unit 50 is used to gather the voltage of the AC of input block 10 and feed back to control unit 60.
Further, the AC sampling unit 50 includes amplifier U9B, two inputs difference of amplifier U9B
The input of input block 10 is connected to by current-limiting resistance, the output end of amplifier U9B is connected to control unit 60.Its
In, first switch pipe Q3 is that the input AC sine wave adopted according to control unit changes to increase or reduce first switch pipe Q3
ON time so that electric current is consistent with voltage-phase change improving PF values.
Intelligent half-bridge amendment wave voltage change-over circuit based on Vienna PFC disclosed by the invention, its have high PF values,
Electrical network is isolated with output end, and security is very high.Output voltage can be automatically adjusted in input full voltage range, and it is solid
Determine output frequency, and output voltage is that in addition the present invention contains to correct ripple output, automatic shaping function is pressed with to alternating current
Voltage and current sampling circuit, energy anti-surge voltage and electric current, and control simply, particularly Converting Unit is only with two switches
Pipe, with the more low advantage of cost.
The above is preferred embodiments of the present invention, is not limited to the present invention, all technology models in the present invention
Interior done modification, equivalent or improvement etc. are enclosed, be should be included in the range of of the invention protection.
Claims (10)
1. a kind of intelligent half-bridge amendment wave voltage change-over circuit based on Vienna PFC, it is characterised in that include：
One input block (10), for accessing electrical network alternating current；
One Vienna PFC boost unit (20), include boost inductance (L2), first switch pipe (Q3), the first diode (D1),
Second diode (D2), the 3rd diode (D3), the 4th diode (D4), the 5th diode (D5), the 6th diode (D6),
One electrochemical capacitor (C1) and the second electrochemical capacitor (C2), the front end of the boost inductance (L2) is connected to the of input block (10)
One output end, the rear end of the boost inductance (L2) is connected to the anode of the first diode (D1) and the moon of the second diode (D2)
Pole, the drain electrode of the first switch pipe (Q3) and the negative electrode of the 3rd diode (D3) are all connected to the moon of the first diode (D1)
Pole, the source electrode of the first switch pipe (Q3) and the anode of the 4th diode (D4) are all connected to the sun of the second diode (D2)
Pole, the grid of the first switch pipe (Q3) is used to access pwm pulse signal, and the anode of the 5th diode (D5) is connected to
The negative electrode of the 3rd diode (D3), the negative electrode of the 5th diode (D5) is connected to the positive pole of the first electrochemical capacitor (C1), institute
The negative pole for stating the first electrochemical capacitor (C1) is connected to the positive pole of the second electrochemical capacitor (C2), the negative electrode of the 6th diode (D6)
The anode of the 4th diode (D4) is connected to, the anode of the 6th diode (D6) is connected to the second electrochemical capacitor (C2) and bears
Pole, the second output end of the negative electrode, the positive pole of the second electrochemical capacitor (C2) and input block (10) of the 4th diode (D4)
It is connected and the tie point is used as holding altogether, the positive pole of first electrochemical capacitor (C1) is used as Vienna PFC boost unit
(20) output head anode, the output end of the negative pole of second electrochemical capacitor (C2) as Vienna PFC boost unit (20)
Negative pole；
One half-bridge inversion unit (30), is connected to the output end in Vienna PFC boost unit (20), the semi-bridge inversion unit
(30) for carrying out inversion conversion to the output voltage in Vienna PFC boost unit (20).
2. the intelligent half-bridge amendment wave voltage change-over circuit of Vienna PFC is based on as claimed in claim 1, and its feature exists
In the input block (10) includes socket, the first insurance (F2), lightning protection resistance (RV1), common mode inhibition inductance (L1) and peace
Rule electric capacity (CX1), first insurance (F2) is serially connected with the zero line of socket or live wire, before the common mode inhibition inductance (L1)
End is parallel to socket, and the lightning protection resistance (RV1) is parallel to the front end of common mode inhibition inductance (L1), the safety electric capacity (CX1)
The rear end of common mode inhibition inductance (L1), and the rear end of the common mode inhibition inductance (L1) are parallel to as the defeated of input block (10)
Go out end.
3. the intelligent half-bridge amendment wave voltage change-over circuit of Vienna PFC is based on as claimed in claim 1, and its feature exists
In, a control unit (60) is also included, the grid of the first switch pipe (Q3) is connected to control unit (60), the control
Unit (60) is for the grid of first switch pipe (Q3) loading pwm pulse signal.
4. the intelligent half-bridge amendment wave voltage change-over circuit of Vienna PFC is based on as claimed in claim 3, and its feature exists
In described control unit (60) includes single-chip microcomputer (U1) and its peripheral circuit.
5. the intelligent half-bridge amendment wave voltage change-over circuit of Vienna PFC is based on as claimed in claim 3, and its feature exists
In, the semi-bridge inversion unit (30) include second switch pipe (Q1), the 3rd switching tube (Q2), the 3rd electrochemical capacitor (C3) and
4th electrochemical capacitor (C4), the drain electrode of the second switch pipe (Q1) and the positive pole of the 3rd electrochemical capacitor (C3) are all connected to dimension
Receive the output head anode of PFC boost unit (20), the source electrode of the second switch pipe (Q1) is connected to the 3rd switching tube (Q2)
Drain electrode, the source electrode of the 3rd switching tube (Q2) and the negative pole of the 4th electrochemical capacitor (C4) are all connected to Vienna PFC boost list
The negative pole of output end of first (20), the grid of the second switch pipe (Q1) and the grid of the 3rd switching tube (Q2) are respectively used to access
Pwm control signal, to make the second switch pipe (Q1) and the 3rd switching tube (Q2) alternate conduction, the 3rd electrochemical capacitor
(C3) negative pole and the positive pole of the 4th electrochemical capacitor (C4) is all connected to holding altogether, and the positive pole of the 4th electrochemical capacitor (C4) is made
For the first output end of semi-bridge inversion unit (30), the source electrode of the second switch pipe (Q1) is used as semi-bridge inversion unit (30)
Second output end.
6. the intelligent half-bridge amendment wave voltage change-over circuit of Vienna PFC is based on as claimed in claim 5, and its feature exists
In the source electrode of the 3rd switching tube (Q2) is serially connected with current-limiting resistance (R3, R4, R5), the source electrode of the 3rd switching tube (Q2)
Control unit (60) is connected to, to make described control unit (60) gather the electric signal of the 3rd switching tube (Q2) source electrode.
7. the intelligent half-bridge amendment wave voltage change-over circuit of Vienna PFC is based on as claimed in claim 5, and its feature exists
In, the second insurance (F1) is also included, second insurance (F1) is serially connected with the first output end of semi-bridge inversion unit (30).
8. the intelligent half-bridge amendment wave voltage change-over circuit of Vienna PFC is based on as claimed in claim 5, and its feature exists
In, a voltage sampling unit (40) is also included, the voltage sampling unit (40) includes the first sampling electricity being sequentially connected in series
Resistance (13) and the second sampling resistor (R15), the front end of first sampling resistor (13) is connected to the leakage of second switch pipe (Q1)
Pole, the rear end of second sampling resistor (R15) is connected to control unit (60), to make described control unit (60) collection second
The electric signal of switching tube (Q1) drain electrode.
9. the intelligent half-bridge amendment wave voltage change-over circuit of Vienna PFC is based on as claimed in claim 3, and its feature exists
In, an AC sampling unit (50) is also included, the AC sampling unit (50) is connected to the input of input block (10)
Between control unit (60), the AC sampling unit (50) is for gathering the voltage of input block (10) AC and feed back
To control unit (60).
10. the intelligent half-bridge amendment wave voltage change-over circuit of Vienna PFC is based on as claimed in claim 9, and its feature exists
In the AC sampling unit (50) includes amplifier (U9B), and two inputs of the amplifier (U9B) pass through respectively current limliting
Resistance and be connected to the input of input block (10), the output end of the amplifier (U9B) is connected to control unit (60).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710032376.4A CN106655804A (en) | 2017-01-16 | 2017-01-16 | Vienna PFC-based intelligent half-bridge correction wave voltage conversion circuit |
| PCT/CN2017/081781 WO2018129832A1 (en) | 2017-01-16 | 2017-04-25 | Vienna pfc-based smart half bridge modified wave voltage conversion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710032376.4A CN106655804A (en) | 2017-01-16 | 2017-01-16 | Vienna PFC-based intelligent half-bridge correction wave voltage conversion circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106655804A true CN106655804A (en) | 2017-05-10 |
Family
ID=58841614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710032376.4A Pending CN106655804A (en) | 2017-01-16 | 2017-01-16 | Vienna PFC-based intelligent half-bridge correction wave voltage conversion circuit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106655804A (en) |
| WO (1) | WO2018129832A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799328A (en) * | 2018-12-07 | 2019-05-24 | 上海厦泰生物科技有限公司 | A kind of temperature controlled sample incubation device of band |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6602449B1 (en) * | 2018-12-05 | 2019-11-06 | 株式会社日立パワーソリューションズ | Ultrasonic inspection method, ultrasonic inspection apparatus and ultrasonic inspection program |
| CN110518680B (en) * | 2019-09-04 | 2023-09-22 | 深圳市永联科技股份有限公司 | Control circuit and control method compatible with three-phase and single-phase multiple wire system power supplies |
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| US20040012343A1 (en) * | 2002-07-19 | 2004-01-22 | Nostwick Allan Albert | Lighting control system with variable arc control including start-up circuit for providing a bias voltage supply |
| CN103138559A (en) * | 2011-11-29 | 2013-06-05 | 西门子（中国）有限公司 | Control grounding providing circuit for power system and power system |
| CN206820660U (en) * | 2017-01-16 | 2017-12-29 | 广东百事泰电子商务股份有限公司 | A kind of intelligent half-bridge amendment wave voltage change-over circuit based on PFC |
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| CN202565173U (en) * | 2012-05-15 | 2012-11-28 | 南昌工程学院 | High power factor medium blocking discharge power supply circuit |
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| CN104967195B (en) * | 2015-05-13 | 2017-09-22 | 遂宁市东乘车辆有限公司 | A kind of charging system for electric automobile of intelligent frequency-conversion control |
| CN205142038U (en) * | 2015-11-13 | 2016-04-06 | 深圳Tcl数字技术有限公司 | Switching power supply |
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- 2017-04-25 WO PCT/CN2017/081781 patent/WO2018129832A1/en active Application Filing
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| CN1123068A (en) * | 1994-02-10 | 1996-05-22 | 菲利浦电子有限公司 | High frequency AC/AC converter with power factor correction |
| US20040012343A1 (en) * | 2002-07-19 | 2004-01-22 | Nostwick Allan Albert | Lighting control system with variable arc control including start-up circuit for providing a bias voltage supply |
| CN103138559A (en) * | 2011-11-29 | 2013-06-05 | 西门子（中国）有限公司 | Control grounding providing circuit for power system and power system |
| CN206820660U (en) * | 2017-01-16 | 2017-12-29 | 广东百事泰电子商务股份有限公司 | A kind of intelligent half-bridge amendment wave voltage change-over circuit based on PFC |
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| CN109799328A (en) * | 2018-12-07 | 2019-05-24 | 上海厦泰生物科技有限公司 | A kind of temperature controlled sample incubation device of band |
| CN109799328B (en) * | 2018-12-07 | 2024-04-26 | 上海厦泰生物科技有限公司 | Sample incubation device with temperature control |
Also Published As
| Publication number | Publication date |
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| WO2018129832A1 (en) | 2018-07-19 |
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