CN110086352A - A kind of resonance reversible transducer suitable for wide output area - Google Patents
A kind of resonance reversible transducer suitable for wide output area Download PDFInfo
- Publication number
- CN110086352A CN110086352A CN201910496924.8A CN201910496924A CN110086352A CN 110086352 A CN110086352 A CN 110086352A CN 201910496924 A CN201910496924 A CN 201910496924A CN 110086352 A CN110086352 A CN 110086352A
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- China
- Prior art keywords
- switching tube
- resonance
- drain electrode
- source electrode
- bridge circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H02M3/33569—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 having several active switching elements
- H02M3/33576—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 having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33584—Bidirectional converters
-
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
- H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
-
- 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 present invention provides a kind of resonance reversible transducers suitable for wide output area, including by filter circuit, inversion full-bridge circuit, rectifying full bridge circuit, four element resonant cavities；Wherein, the filter circuit includes input filter capacitor Cf1With output filter capacitor Cf2, the input filter capacitor Cf1It is connected in parallel on input voltage VinBoth ends, the output filter circuit Cf2It is connected in parallel on output voltage VoBoth ends, the inversion full-bridge circuit and the input voltage VinConnection, the rectifying full bridge circuit and the output voltage VoConnection, the inversion full-bridge circuit pass through the four elements resonant cavity and the rectifying full bridge circuit connection.The beneficial effects of the present invention are: providing a kind of forward and reverse resonance reversible transducer for being able to achieve wide output area, solves the defect that LLC converter cannot reversely boost, application range is wider.
Description
Technical field
The present invention relates to Switching Power Supply more particularly to a kind of resonance reversible transducers suitable for wide output area.
Background technique
In traditional LLC resonance reversible transducer, no matter forward and reverse work can be realized the ZVS of inverter side switching tube
Conducting is connected with the ZCS of rectification side diode, Sofe Switch excellent.But it can only realize positive buck work, reversely but only
It can be suitably used for decompression work, this affects the output voltage range of LLC resonance reversible transducer, limits application scenarios.
Summary of the invention
In order to solve the problems in the prior art, the present invention provides a kind of two-way changes of the resonance suitable for wide output area
Parallel operation.
The present invention provides a kind of resonance reversible transducers suitable for wide output area, including by filter circuit, inversion
Full-bridge circuit, rectifying full bridge circuit, four element resonant cavities；Wherein, the filter circuit includes input filter capacitor Cf1And output
Filter capacitor Cf2, the input filter capacitor Cf1It is connected in parallel on input voltage VinBoth ends, the output filter circuit Cf2It is connected in parallel on defeated
Voltage V outoBoth ends, the inversion full-bridge circuit and the input voltage VinConnection, the rectifying full bridge circuit and the output
Voltage VoConnection, the inversion full-bridge circuit pass through the four elements resonant cavity and the rectifying full bridge circuit connection.
As a further improvement of the present invention, the resonance reversible transducer includes switching tube Q1, switching tube Q2, switching tube
Q3, switching tube Q4, switching tube Q5, switching tube Q6, switching tube Q7, switching tube Q8, wherein the input voltage VinAnode respectively
The drain electrode of connection switch pipe Q1 and the drain electrode of switching tube Q3, the input voltage VinCathode be separately connected the source electrode of switching tube Q2
It is connected with the source electrode of the source electrode of switching tube Q4, the switching tube Q1 with the drain electrode of switching tube Q2, the source electrode of the switching tube Q3
It is connected with the drain electrode of switching tube Q4；The output voltage VoAnode be separately connected drain electrode and the switching tube Q7 of switching tube Q5
Drain electrode, the cathode of the output voltage Vo are separately connected the source electrode of switching tube Q6 and the source electrode of switching tube Q8, the switching tube Q5
Source electrode be connected with the drain electrode of the switching tube Q6, the source electrode of the switching tube Q7 is connected with the drain electrode of the switching tube Q8
It connects；When the work of resonance reversible transducer is in forward direction, switching tube Q1, switching tube Q2, switching tube Q3, switching tube Q4 composition inversion are complete
Bridge circuit, switching tube Q5, switching tube Q6, switching tube Q7, switching tube Q8 then constitute rectifying full bridge circuit；When resonance reversible transducer
When reversed, switching tube Q5, switching tube Q6, switching tube Q7, switching tube Q8 constitute inversion full-bridge circuit for work, switching tube Q1, open
It closes pipe Q2, switching tube Q3, switching tube Q4 and then constitutes rectifying full bridge circuit.
As a further improvement of the present invention, the switching tube Q1, switching tube Q2, switching tube Q3, switching tube Q4, switching tube
Q5, switching tube Q6, switching tube Q7, the drain electrode of switching tube Q8, the anti-paralleled diode being arranged in parallel, simultaneously is parallel between source electrode
Connection buffering capacitor.
As a further improvement of the present invention, when positive work, by control switch pipe Q1, switching tube Q2, switching tube Q3,
The switching frequency of switching tube Q4 come realize resonance reversible transducer wide-range voltage output；When reverse operation, opened by control
It is defeated come the wide-range voltage for realizing resonance reversible transducer to close pipe Q5, switching tube Q6, switching tube Q7, the switching frequency of switching tube Q8
Out.
As a further improvement of the present invention, when positive work, control circuit connection switch pipe Q1, switching tube Q2, switch
The grid of pipe Q3, switching tube Q4, wherein switching tube Q1 and switching tube Q4 are simultaneously turned on as one group, switching tube Q2 and switching tube Q3
It is simultaneously turned on as another group, two groups of pipe alternating, complementary conductings of opening the light；When reverse operation, control circuit connection switch pipe Q5, open
The grid of pipe Q6, switching tube Q7, switching tube Q8 are closed, wherein switching tube Q5 and switching tube Q8 are simultaneously turned on as one group, switching tube
Q6 and switching tube Q7 are simultaneously turned on as another group, two groups of pipe alternating, complementary conductings of opening the light.
As a further improvement of the present invention, it is L that the four elements resonant cavity, which includes magnetizing inductance,mTransformer T, resonance
Inductance Lr1, resonant capacitance Cr, auxiliary induction L2, wherein resonant capacitance CrOne end connects transformer T original side of the same name, and the other end connects
It is connected between the drain electrode of source electrode, switching tube Q2 of switching tube Q1；Resonant inductance Lr1One end connect transformer T pair side Same Name of Ends,
The other end is connected between the drain electrode of the source electrode of switching tube Q7, switching tube Q8；Auxiliary induction L2One end be connected to switching tube Q1
Source electrode, switching tube Q2 drain electrode between, the other end is connected between the drain electrode of the source electrode of switching tube Q3, switching tube Q4, described
Transformer T primary side different name end is connected between the drain electrode of the source electrode of switching tube Q3, switching tube Q4, transformer T pair side different name
End is connected between the drain electrode of source electrode, switching tube Q6 of switching tube Q5.
The beneficial effects of the present invention are: providing a kind of forward and reverse resonance two-way changing for being able to achieve wide output area
Device, solves the defect that LLC converter cannot reversely boost, and application range is wider.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the resonance reversible transducer suitable for wide output area of the present invention.
Specific embodiment
The invention will be further described for explanation and specific embodiment with reference to the accompanying drawing.
As shown in Figure 1, a kind of resonance reversible transducer suitable for wide output area, including it is complete by filter circuit, inversion
Bridge circuit 100, rectifying full bridge circuit 300, four element resonant cavities 200；Wherein, the filter circuit includes input filter capacitor Cf1
With output filter capacitor Cf2, the input filter capacitor Cf1It is connected in parallel on input voltage VinBoth ends, the output filter circuit Cf2And
It is associated in output voltage VoBoth ends, the inversion full-bridge circuit 100 and input voltage VinConnection, the rectifying full bridge circuit
The 300 and output voltage VoConnection, the inversion full-bridge circuit 100 pass through the four elements resonant cavity 200 and the rectification
Full-bridge circuit 300 connects.
As shown in Figure 1, the resonance reversible transducer include switching tube Q1, switching tube Q2, switching tube Q3, switching tube Q4,
Switching tube Q5, switching tube Q6, switching tube Q7, switching tube Q8, wherein the input voltage VinAnode be separately connected switching tube Q1
Drain electrode and switching tube Q3 drain electrode, the input voltage VinCathode be separately connected the source electrode and switching tube Q4 of switching tube Q2
The source electrode of source electrode, the switching tube Q1 is connected with the drain electrode of switching tube Q2, the source electrode of the switching tube Q3 and switching tube Q4's
Drain electrode is connected；The output voltage VoAnode be separately connected the drain electrode of switching tube Q5 and the drain electrode of switching tube Q7, it is described defeated
The cathode of voltage Vo is separately connected the source electrode of switching tube Q6 and the source electrode of switching tube Q8 out, the source electrode of the switching tube Q5 with it is described
The drain electrode of switching tube Q6 is connected, and the source electrode of the switching tube Q7 is connected with the drain electrode of the switching tube Q8；When resonance is two-way
Converter works in forward direction, and switching tube Q1, switching tube Q2, switching tube Q3, switching tube Q4 constitute inversion full-bridge circuit 100, opens
It closes pipe Q5, switching tube Q6, switching tube Q7, switching tube Q8 and then constitutes rectifying full bridge circuit 300；When the work of resonance reversible transducer exists
When reversed, switching tube Q5, switching tube Q6, switching tube Q7, switching tube Q8 constitute inversion full-bridge circuit 100, switching tube Q1, switching tube
Q2, switching tube Q3, switching tube Q4 then constitute rectifying full bridge circuit 300.
As shown in Figure 1, the switching tube Q1, switching tube Q2, switching tube Q3, switching tube Q4, switching tube Q5, switching tube Q6,
Switching tube Q7, the drain electrode of switching tube Q8 are parallel with the anti-paralleled diode being arranged in parallel, parallel connection buffer capacitor between source electrode.
As shown in Figure 1, when positive work, opened by control switch pipe Q1, switching tube Q2, switching tube Q3, switching tube Q4
Frequency is closed to realize the wide-range voltage output of resonance reversible transducer；When reverse operation, pass through control switch pipe Q5, switching tube
Q6, switching tube Q7, switching tube Q8 switching frequency come realize resonance reversible transducer wide-range voltage output.
As shown in Figure 1, when positive work, control circuit connection switch pipe Q1, switching tube Q2, switching tube Q3, switching tube Q4
Grid, wherein switching tube Q1 and switching tube Q4 are simultaneously turned on as one group, and switching tube Q2 and switching tube Q3 are same as another group
When be connected, two groups open the light pipe alternating, complementaries conducting；When reverse operation, control circuit connection switch pipe Q5, switching tube Q6, switching tube
The grid of Q7, switching tube Q8, wherein switching tube Q5 and switching tube Q8 are simultaneously turned on as one group, and switching tube Q6 and switching tube Q7 make
It is simultaneously turned on for another group, two groups of pipe alternating, complementary conductings of opening the light.
As shown in Figure 1, it is L that the four elements resonant cavity 200, which includes magnetizing inductance,mTransformer T, resonant inductance Lr1, it is humorous
Shake capacitor Cr, auxiliary induction L2, wherein resonant capacitance CrOne end connects transformer T original side of the same name, and the other end is connected to switch
Between the drain electrode of the source electrode, switching tube Q2 of pipe Q1；Resonant inductance Lr1One end connect transformer T pair side Same Name of Ends, the other end connect
It is connected between the drain electrode of source electrode, switching tube Q8 of switching tube Q7；Auxiliary induction L2One end be connected to the source electrode of switching tube Q1, open
Between the drain electrode for closing pipe Q2, the other end is connected between the drain electrode of the source electrode of switching tube Q3, switching tube Q4, and the transformer T is former
Side different name end is connected between the drain electrode of the source electrode of switching tube Q3, switching tube Q4, and transformer T pair side different name end is connected to out
Between the drain electrode for closing the source electrode, switching tube Q6 of pipe Q5.
By increasing auxiliary induction L2, the good Sofe Switch characteristic of LLC resonant converter is not only remained, moreover it is possible to solve
The defect that LLC resonant converter cannot reversely boost, can effective Lifting Transform device output voltage range, realize Width funtion model
Output is enclosed, therefore the present invention is more flexible than traditional mode.
A kind of resonance reversible transducer suitable for wide output area provided by the invention, the no matter positive work of converter or
Reverse operation, the pipe switching frequency fs that opens the light for controlling inverter circuit are able to achieve wide range output voltage；No matter positive converter is
Work or reverse operation, the pipe switching frequency fs that opens the light for controlling inverter circuit are able to achieve the Sofe Switch characteristic of converter.
A kind of resonance reversible transducer suitable for wide output area provided by the invention provides a kind of forward and reverse equal energy
The LLCL type resonance reversible transducer for realizing wide output area, by controlling the pipe switching frequency that opens the light of inversion full-bridge circuit 100,
To adjust the output voltage and Sofe Switch of resonance reversible transducer, it is real that the pipe switching frequency that opens the light controlled in inverter circuit can be passed through
The wide-voltage range output of existing converter and Sofe Switch, design flexible adjustment simple with structure, have stronger practicability.
A kind of resonance reversible transducer suitable for wide output area provided by the invention, on the basis of T-11 type LLC
Increase 1 auxiliary induction, remains the good Sofe Switch characteristic of LLC converter, additionally it is possible to realize that forward and reverse wide-voltage range is defeated
Out, the defect that LLC converter cannot reversely boost is solved.Meanwhile the LLCL type controlled resonant converter has structure simple, design
Flexible adjustment has stronger practicability.
A kind of resonance reversible transducer suitable for wide output area provided by the invention, suitable for Width funtion output
LLCL type resonance reversible transducer can be realized forward and reverse wide-voltage range output, for electric car, space power, direct current
Distribution micro-grid system etc. needs the application scenarios of power bi-directional transmission and wide output voltage range, has highly important meaning
Justice.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (6)
1. a kind of resonance reversible transducer suitable for wide output area, it is characterised in that: including by filter circuit, inversion full-bridge
Circuit, rectifying full bridge circuit, four element resonant cavities；Wherein, the filter circuit includes input filter capacitor Cf1It is filtered with output
Capacitor Cf2, the input filter capacitor Cf1It is connected in parallel on input voltage VinBoth ends, the output filter circuit Cf2It is connected in parallel on output electricity
Press VoBoth ends, the inversion full-bridge circuit and the input voltage VinConnection, the rectifying full bridge circuit and the output voltage
VoConnection, the inversion full-bridge circuit pass through the four elements resonant cavity and the rectifying full bridge circuit connection.
2. the resonance reversible transducer according to claim 1 for being suitable for wide output area, it is characterised in that: the resonance
Reversible transducer include switching tube Q1, switching tube Q2, switching tube Q3, switching tube Q4, switching tube Q5, switching tube Q6, switching tube Q7,
Switching tube Q8, wherein the input voltage VinAnode be separately connected the drain electrode of switching tube Q1 and the drain electrode of switching tube Q3, it is described
Input voltage VinCathode be separately connected the source electrode of switching tube Q2 and the source electrode of switching tube Q4, the source electrode of the switching tube Q1 and open
The drain electrode for closing pipe Q2 is connected, and the source electrode of the switching tube Q3 is connected with the drain electrode of switching tube Q4；The output voltage Vo's
Anode is separately connected the drain electrode of switching tube Q5 and the drain electrode of switching tube Q7, and the cathode of the output voltage Vo is separately connected switching tube
The source electrode of Q6 and the source electrode of switching tube Q8, the source electrode of the switching tube Q5 is connected with the drain electrode of the switching tube Q6, described to open
The source electrode for closing pipe Q7 is connected with the drain electrode of the switching tube Q8；When resonance reversible transducer work in forward direction, switching tube Q1,
Switching tube Q2, switching tube Q3, switching tube Q4 constitute inversion full-bridge circuit, switching tube Q5, switching tube Q6, switching tube Q7, switching tube
Q8 then constitutes rectifying full bridge circuit；When resonance reversible transducer work when reversed, switching tube Q5, switching tube Q6, switching tube Q7,
Switching tube Q8 constitutes inversion full-bridge circuit, and switching tube Q1, switching tube Q2, switching tube Q3, switching tube Q4 then constitute rectifying full bridge electricity
Road.
3. the resonance reversible transducer according to claim 2 for being suitable for wide output area, it is characterised in that: the switch
Pipe Q1, switching tube Q2, switching tube Q3, switching tube Q4, switching tube Q5, switching tube Q6, switching tube Q7, the drain electrode of switching tube Q8, source
The anti-paralleled diode being arranged in parallel, parallel connection buffer capacitor are parallel between pole.
4. the resonance reversible transducer according to claim 2 for being suitable for wide output area, it is characterised in that: forward direction work
When, resonance reversible transducer is realized by the switching frequency of control switch pipe Q1, switching tube Q2, switching tube Q3, switching tube Q4
Wide-range voltage output；When reverse operation, pass through the switch of control switch pipe Q5, switching tube Q6, switching tube Q7, switching tube Q8
Frequency come realize resonance reversible transducer wide-range voltage output.
5. the resonance reversible transducer according to claim 2 for being suitable for wide output area, it is characterised in that: forward direction work
When, the grid of control circuit connection switch pipe Q1, switching tube Q2, switching tube Q3, switching tube Q4, wherein switching tube Q1 and switching tube
Q4 is simultaneously turned on as one group, and switching tube Q2 and switching tube Q3 are simultaneously turned on as another group, and two groups of pipe alternating, complementaries that open the light are led
It is logical；When reverse operation, the grid of control circuit connection switch pipe Q5, switching tube Q6, switching tube Q7, switching tube Q8, wherein switching
Pipe Q5 and switching tube Q8 are simultaneously turned on as one group, and switching tube Q6 and switching tube Q7 are simultaneously turned on as another group, and two groups are opened the light
The conducting of pipe alternating, complementary.
6. the resonance reversible transducer according to claim 2 for being suitable for wide output area, it is characterised in that: the quaternary
Part resonant cavity includes that magnetizing inductance is LmTransformer T, resonant inductance Lr1, resonant capacitance Cr, auxiliary induction L2, wherein resonance electricity
Hold CrOne end connects transformer T original side of the same name, and the other end is connected between the drain electrode of the source electrode of switching tube Q1, switching tube Q2；
Resonant inductance Lr1One end connect transformer T pair side Same Name of Ends, the other end is connected to the leakage of the source electrode of switching tube Q7, switching tube Q8
Between pole；Auxiliary induction L2One end be connected between the drain electrode of the source electrode of switching tube Q1, switching tube Q2, the other end is connected to out
Between the drain electrode for closing the source electrode, switching tube Q4 of pipe Q3, transformer T primary side different name end is connected to the source electrode of switching tube Q3, opens
Close pipe Q4 drain electrode between, transformer T pair side different name end be connected to the source electrode of switching tube Q5, switching tube Q6 drain electrode it
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910496924.8A CN110086352A (en) | 2019-06-10 | 2019-06-10 | A kind of resonance reversible transducer suitable for wide output area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910496924.8A CN110086352A (en) | 2019-06-10 | 2019-06-10 | A kind of resonance reversible transducer suitable for wide output area |
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| Publication Number | Publication Date |
|---|---|
| CN110086352A true CN110086352A (en) | 2019-08-02 |
Family
ID=67423852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910496924.8A Pending CN110086352A (en) | 2019-06-10 | 2019-06-10 | A kind of resonance reversible transducer suitable for wide output area |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111245247A (en) * | 2020-01-19 | 2020-06-05 | 天津大学 | Isolated bidirectional resonant soft-switching DC-DC converter |
| CN113992023A (en) * | 2021-10-25 | 2022-01-28 | 电子科技大学 | Isolated double-resonance bidirectional direct-current transformer |
| CN116545270A (en) * | 2023-06-28 | 2023-08-04 | 广东省洛仑兹技术股份有限公司 | Resonant converter, control method thereof and switching power supply |
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Cited By (5)
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| CN116545270A (en) * | 2023-06-28 | 2023-08-04 | 广东省洛仑兹技术股份有限公司 | Resonant converter, control method thereof and switching power supply |
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