CN105896996B - A kind of novel structure changes bidirectional active full-bridge controlled resonant converter - Google Patents
A kind of novel structure changes bidirectional active full-bridge controlled resonant converter Download PDFInfo
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- CN105896996B CN105896996B CN201610446782.0A CN201610446782A CN105896996B CN 105896996 B CN105896996 B CN 105896996B CN 201610446782 A CN201610446782 A CN 201610446782A CN 105896996 B CN105896996 B CN 105896996B
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- switching tube
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/219—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
Abstract
The invention discloses a kind of novel structure changes bidirectional active full-bridge controlled resonant converters, on the basis of bidirectional active full-bridge controlled resonant converter, realized by the parallel connection of two full-bridge output terminals of series connection and transformer pair side of two transformer windings of transformer primary avris；The control that the present invention passes through switch tube K1, K2, it can flexibly realize transformer primary side (transformer secondary) circuit structure, in the case where not changing switching frequency adjusting range, it is effective to change transformer secondary side voltage range, reduce the loss of integrated circuit so that the circuit there can be higher transfer efficiency under the larger occasion of voltage change ratio.
Description
Technical field
The present invention relates to a kind of novel power electronics interface converter technique field, more particularly to a kind of isolation type bidirectional has
Source full-bridge resonant transform circuit, belongs to power electronics and electrical technology field.
Background technology
In traditional bidirectional active full-bridge circuit, as shown in Fig. 2, transformer primary side (transformer secondary) voltage model
It is low to enclose narrow and full-bridge circuit transfer efficiency.The output of traditional controlled resonant converter is the switch frequency by changing switching tube
Rate, which is realized, changes output voltage, due to being also become larger with the working frequency adjusting range of the raising of output voltage, switching device, with
The switching loss brought on device increase, make under system effectiveness.And at bidirectional active full-bridge controlled resonant converter both ends
The very big occasion of pressure difference, transformer primary side switching tube need to bear larger voltage, need the switching tube for selecting stress levels high,
Loss also increases；The electric current that transformer secondary switching tube is born is larger, causes switching tube fever serious, causes largely to be lost.
Therefore there are clearly disadvantageous in the occasion of high transformation ratio for existing bidirectional active full-bridge resonance topological.
Invention content
The purpose of the present invention is overcome existing bidirectional active full-bridge resonant transform circuit in the bigger occasion conversion effect of transformation
The problem of rate is low, transformer primary side (transformer secondary) voltage range is narrow provides a kind of flexibly change transformer primary side winding
The circuit topology of the number of turn and transformer secondary output circuit structure reduces circuit loss, improves circuit efficiency, improves transformer primary
Side (transformer secondary) voltage range.
To solve the above problems, solution provided by the invention is：
A kind of novel structure changes bidirectional active full-bridge controlled resonant converter of the present invention, based on bidirectional active full-bridge controlled resonant converter
On the basis of, pass through the parallel connection of two full-bridge output terminals of series connection and transformer pair side of two transformer windings of transformer primary avris
To realize.
A kind of novel structure changes bidirectional active full-bridge controlled resonant converter, including first switch pipe S1, second switch pipe S2,
Three switching tube S3, the 4th switching tube S4, the 5th switching tube Q1, the 6th switching tube Q2, the 7th switching tube Q3, the 8th switching tube Q4,
9th switching tube K1, the tenth switching tube K2, the 11st switching tube Q5, the 12nd switching tube Q6, the 13rd switching tube Q7, the 14th
Switching tube Q8, the first transformer T1, the second transformer T2, nonpolar capacitance C1, polar capacitor C2, the first inductance Lr1, second electricity
Feel Lr2With power supply V1；
The drain electrode of the first switch pipe S1 is connect with the drain electrode of third switching tube S3, the anode of power supply V1, and second opens
The source electrode for closing pipe S2 is connect with the source electrode of the 4th switching tube S4, the cathode of power supply V1, source electrode, the second switch of first switch pipe S1
The drain electrode of pipe S2, the first inductance Lr1One end connection, the first inductance Lr1The other end connect with one end of nonpolar capacitance C1,
The other end of nonpolar capacitance C1 is connect with one end of the first transformer T1 primary sides side, the other end of the first transformer T1 primary sides side
With the second inductance Lr2One end, the 9th switching tube K1 drain electrode connection, the second inductance Lr2The other end and the second transformer T2 it is former
One end connection of avris, the drain electrode connection of the 9th switching tube other end, the source electrode of third switching tube S3, the 4th switching tube S4, the
One end of one transformer T1 secondary side is connect with the drain electrode of the source electrode, the 6th switching tube Q2 of the 5th switching tube Q1, the first transformer
The other end of T1 secondary side is connect with the drain electrode of the source electrode, the 8th switching tube Q4 of the 7th switching tube Q3, the leakage of the 5th switching tube Q1
Pole, the drain electrode of the 7th switching tube Q3, the drain electrode of the 11st switching tube Q5, the drain electrode of the 13rd switching tube Q7, polar capacitor C2
Anode connects and is used as transformer secondary side positive pole；The source electrode of 6th switching tube Q2 and source electrode, the pole of the 8th switching tube Q4
Cathode, the source electrode of the 12nd switching tube Q6, the source electrode of the 14th switching tube Q8 of property capacitance C2 connects and is used as transformer secondary
Side power cathode, one end of the second transformer T2 secondary side and the leakage of the source electrode, the 12nd switching tube Q6 of the 11st switching tube Q5
Pole connects, the drain electrode of the other end of the second transformer T2 secondary side and the source electrode, the 14th switching tube Q8 of the 13rd switching tube Q7
Connection.
Compared with existing bidirectional active full-bridge controlled resonant converter, the present invention, can be flexibly by the control of switch tube K1, K2
Realization transformer primary side (transformer secondary) circuit structure, in the case where not changing switching frequency adjusting range, effectively
Change transformer secondary side voltage range, reduce the loss of integrated circuit so that the circuit is in the larger occasion of voltage change ratio
There can be higher transfer efficiency down.
Description of the drawings
Fig. 1 is circuit diagram of the present invention；
Fig. 2 is the active full-bridge resonant transform circuit schematic diagram of traditional isolation type bidirectional.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described：
Fig. 1 be the principle of the present invention figure, with the active full-bridge converter of existing isolation type bidirectional compared with pass through switch tube K1,
The control of switching tube K2, realize two transformer primary side windings series connection and the full-bridge output terminal of transformer secondary side two and
Connection.
Involved switching tube refers to all wholly-controled devices in this patent, but with MOS in this patent is to the explanation of circuit
It is described for pipe.
A kind of novel structure changes bidirectional active full-bridge controlled resonant converter, including first switch pipe S1, second switch pipe S2,
Three switching tube S3, the 4th switching tube S4, the 5th switching tube Q1, the 6th switching tube Q2, the 7th switching tube Q3, the 8th switching tube Q4,
9th switching tube K1, the tenth switching tube K2, the 11st switching tube Q5, the 12nd switching tube Q6, the 13rd switching tube Q7, the 14th
Switching tube Q8, the first transformer T1, the second transformer T2, nonpolar capacitance C1, polar capacitor C2, the first inductance Lr1, second electricity
Feel Lr2With power supply V1；
The drain electrode of the first switch pipe S1 is connect with the drain electrode of third switching tube S3, the anode of power supply V1, and second opens
The source electrode for closing pipe S2 is connect with the source electrode of the 4th switching tube S4, the cathode of power supply V1, source electrode, the second switch of first switch pipe S1
The drain electrode of pipe S2, the first inductance Lr1One end connection, the first inductance Lr1The other end connect with one end of nonpolar capacitance C1,
The other end of nonpolar capacitance C1 is connect with one end of the first transformer T1 primary sides side, the other end of the first transformer T1 primary sides side
With the second inductance Lr2One end, the 9th switching tube K1 drain electrode connection, the second inductance Lr2The other end and the second transformer T2 it is former
One end connection of avris, the drain electrode connection of the 9th switching tube other end, the source electrode of third switching tube S3, the 4th switching tube S4, the
One end of one transformer T1 secondary side is connect with the drain electrode of the source electrode, the 6th switching tube Q2 of the 5th switching tube Q1, the first transformer
The other end of T1 secondary side is connect with the drain electrode of the source electrode, the 8th switching tube Q4 of the 7th switching tube Q3, the leakage of the 5th switching tube Q1
Pole, the drain electrode of the 7th switching tube Q3, the drain electrode of the 11st switching tube Q5, the drain electrode of the 13rd switching tube Q7, polar capacitor C2
Anode connects and is used as transformer secondary side positive pole；The source electrode of 6th switching tube Q2 and source electrode, the pole of the 8th switching tube Q4
Cathode, the source electrode of the 12nd switching tube Q6, the source electrode of the 14th switching tube Q8 of property capacitance C2 connects and is used as transformer secondary
Side power cathode, one end of the second transformer T2 secondary side and the leakage of the source electrode, the 12nd switching tube Q6 of the 11st switching tube Q5
Pole connects, the drain electrode of the other end of the second transformer T2 secondary side and the source electrode, the 14th switching tube Q8 of the 13rd switching tube Q7
Connection.
When transformer secondary (transformer primary side) voltage range larger (small) of needs, the 9th switching tube K1, the tenth open
Pipe K2 is closed to be closed, the first transformer T1, first switch pipe S1, second switch pipe S2, third switching tube S3, the 4th switching tube S4,
5th switching tube Q1, the 6th switching tube Q2, the 7th switching tube Q3, the 8th switching tube Q4 access circuits, the second transformer T2, the tenth
As soon as switching tube Q5, the 12nd switching tube Q6, the 13rd switching tube Q7, the 14th switching tube Q8 are cut off from circuit, this circuit
Become the active full-bridge resonant transform circuit of existing isolation type bidirectional, by changing switching tube first switch pipe S1, second opening
Close the control of pipe S2, third switching tube S3, the realization of the 4th switching tube S4 switching frequencies to transformer secondary output voltage range；
When transformer secondary (transformer primary side) voltage range smaller (big) of needs, the 9th switching tube K1, the tenth open
Close pipe K2 to disconnect, the first transformer T1, the second transformer T2, first switch pipe S1, second switch pipe S2, third switching tube S3,
4th switching tube S4, the 5th switching tube Q1, the 6th switching tube Q2, the 7th switching tube Q3, the 8th switching tube Q4, the 11st switching tube
Q5, the 12nd switching tube Q6, the 13rd switching tube Q7, the 14th switching tube Q8 access circuit, in transformer secondary side the 5th
Switching tube Q1, the 6th switching tube Q2, the 7th switching tube Q3, the 8th switching tube Q4 and the 11st switching tube Q5, the 12nd switching tube
Q6, the 13rd switching tube Q7, the 14th switching tube Q8 break-makes are to maintain synchronization, due to the 11st switching tube Q5, the 12nd switch
The access of pipe Q6, the 13rd switching tube Q7, the 14th switching tube Q8 make transformer secondary output voltage range reduce one times；
This circuit can also realize the transmitted in both directions of energy, when energy is from transformer primary side effluent to transformer secondary side
When, driving first switch pipe S1, second switch pipe S2, third switching tube S3, the 4th switching tube S4 carry out full-bridge inverting, meanwhile,
Drive the 5th switching tube Q1, the 6th switching tube Q2, the 7th switching tube Q3, the 8th switching tube Q4, the 11st switching tube Q5, the 12nd
Switching tube Q6, the 13rd switching tube Q7, the 14th switching tube Q8 carry out full-bridge rectification；When energy is from transformer secondary effluent to change
During depressor primary side side, the 5th switching tube Q1 of driving, the 6th switching tube Q2, the 7th switching tube Q3, the 8th switching tube Q4, the 11st are opened
It closes pipe Q5, the 12nd switching tube Q6, the 13rd switching tube Q7, the 14th switching tube Q8 and carries out full-bridge inverting, at the same time, driving
First switch pipe S1, second switch pipe S2, third switching tube S3, the 4th switching tube S4 carry out full-bridge rectification；
It should be noted that used specific term should not be taken to table in the certain features or scheme for illustrating the present invention
Show and redefine the term herein to limit certain certain features, feature or scheme with the relevant present invention of the term.
In short, the term used in appended claims should not be construed to limit the invention to disclosed in specification
Specific embodiment, unless above-mentioned detailed description part explicitly defines these terms.Therefore, the actual scope of the present invention is not only
Including the disclosed embodiments, it is additionally included in all equivalent schemes that the present invention is practiced or carried out under claims.
Claims (1)
1. a kind of novel structure changes bidirectional active full-bridge controlled resonant converter, it is characterised in that：Become based on bidirectional active full-bridge resonance
On the basis of parallel operation, pass through the series connection of two transformer windings of transformer primary avris and the full-bridge output terminal of transformer pair side two
Parallel connection is realized；
On the basis of bidirectional active full-bridge controlled resonant converter, by the series connection of two transformer windings of transformer primary avris and
The parallel connection of the two full-bridge output terminals in transformer pair side is realized, is specifically included first switch pipe S1, second switch pipe S2, third and is opened
Close pipe S3, the 4th switching tube S4, the 5th switching tube Q1, the 6th switching tube Q2, the 7th switching tube Q3, the 8th switching tube Q4, the 9th
Switching tube K1, the tenth switching tube K2, the 11st switching tube Q5, the 12nd switching tube Q6, the 13rd switching tube Q7, the 14th switch
Pipe Q8, the first transformer T1, the second transformer T2, nonpolar capacitance C1, polar capacitor C2, the first inductance Lr1, the second inductance Lr2
With power supply V1；
The drain electrode of the first switch pipe S1 is connect with the drain electrode of third switching tube S3, the anode of power supply V1, second switch pipe
The source electrode of S2 is connect with the source electrode of the 4th switching tube S4, the cathode of power supply V1, source electrode, the second switch pipe S2 of first switch pipe S1
Drain electrode, the first inductance Lr1One end connection, the first inductance Lr1The other end connect with one end of nonpolar capacitance C1, non-pole
The other end of property capacitance C1 is connect with one end of the first transformer T1 primary sides side, the other end of the first transformer T1 primary sides side and
Two inductance Lr2One end, the 9th switching tube K1 drain electrode connection, the source electrode of the 9th switching tube K1 and the source electrode of the tenth switching tube K2
Connection, the second inductance Lr2The other end connect with one end of the second transformer T2 primary sides side, the drain electrode of the tenth switching tube K2 and the
The drain electrode of the source electrode, the 4th switching tube S4 of three switching tube S3, the other end connection of the second transformer T2 primary sides side, the first transformer
One end of T1 secondary side is connect with the drain electrode of the source electrode, the 6th switching tube Q2 of the 5th switching tube Q1, the first transformer T1 secondary side
The other end connect with the drain electrode of the source electrode, the 8th switching tube Q4 of the 7th switching tube Q3, the drain electrode of the 5th switching tube Q1, the 7th open
Close the drain electrode of pipe Q3, the drain electrode of the 11st switching tube Q5, the drain electrode of the 13rd switching tube Q7, the anode connection of polar capacitor C2 simultaneously
As transformer secondary side positive pole；The source electrode of 6th switching tube Q2 and the source electrode of the 8th switching tube Q4, polar capacitor C2
Cathode, the source electrode of the 12nd switching tube Q6, the 14th switching tube Q8 source electrode connect and be used as transformer secondary side power cathode,
One end of second transformer T2 secondary side is connect with the drain electrode of the source electrode, the 12nd switching tube Q6 of the 11st switching tube Q5, and second
The other end of transformer T2 secondary side is connect with the drain electrode of the source electrode, the 14th switching tube Q8 of the 13rd switching tube Q7.
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| CN201610446782.0A CN105896996B (en) | 2016-06-20 | 2016-06-20 | A kind of novel structure changes bidirectional active full-bridge controlled resonant converter |
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| CN201610446782.0A CN105896996B (en) | 2016-06-20 | 2016-06-20 | A kind of novel structure changes bidirectional active full-bridge controlled resonant converter |
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| CN105896996B true CN105896996B (en) | 2018-07-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106961222A (en) * | 2017-04-14 | 2017-07-18 | 武汉中原电子集团有限公司 | A kind of DC DC controlled resonant converters |
| KR20210091603A (en) * | 2020-01-14 | 2021-07-22 | 엘지전자 주식회사 | Motor driving device, and vehicle including the same |
| CN116526862A (en) * | 2023-06-29 | 2023-08-01 | 广东省洛仑兹技术股份有限公司 | Bidirectional converter, driving method thereof and switching power supply |
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