CN107359791A - A kind of DC/DC translation circuits - Google Patents
A kind of DC/DC translation circuits Download PDFInfo
- Publication number
- CN107359791A CN107359791A CN201710609339.5A CN201710609339A CN107359791A CN 107359791 A CN107359791 A CN 107359791A CN 201710609339 A CN201710609339 A CN 201710609339A CN 107359791 A CN107359791 A CN 107359791A
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- 239000003990 capacitor Substances 0.000 claims abstract description 17
- 230000005611 electricity Effects 0.000 claims description 7
- 238000013507 mapping Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000004146 energy storage Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
A kind of DC/DC translation circuits, including input signal end, output signal end, first capacitor, second capacitor, inductor, first switch, second switch, 3rd switch and the 4th switch, wherein, the described output end of input signal end first passes through first switch, the first input end of inductor and the 3rd switch connection output signal end, two output ends at the both ends connection input signal end of the first described capacitor, two inputs of the both ends connection output signal end of the second described capacitor, the first end of the first end connection inductor of second switch, the first input end of the second end connection output signal end of second switch, second end of the first end connection inductor of the 4th switch, second end of the 4th switch connects second output end at input signal end and the second input of output signal end respectively.The present invention can realize that high step-up ratio, topological structure mapping function are more and realize the target of a variety of step-up ratios, and have the advantages that low cost and control simple.
Description
Technical field:
The present invention relates to electricity field, more particularly to DC voltage conversion technology, particularly a kind of DC/DC translation circuits.
Background technology:
With the fast development of power electronics industry, the requirement more and more higher to DC/DC translation circuits, especially DC/DC is become
Change high step-up ratio conversion, buck conversion of circuit etc. and propose an urgent demand, but current DC/DC translation circuits have liter
The shortcomings of pressure ratio is low, topological structure function is single.
The content of the invention：
It is an object of the invention to provide a kind of DC/DC translation circuits, described this DC/DC translation circuits will solve existing skill
The technical problem that DC/DC translation circuit step-up ratios in art are low, topological structure function is single.
This DC/DC translation circuits of the present invention, including input signal end, output signal end, the first capacitor, the second electricity
Container, inductor, first switch, second switch, third switch and the 4th switch, described input signal end include the first output
End and the second output end, described output signal end include first input end and the second input, wherein, described input signal
The first output end is held to connect the first input end of output signal end by first switch, inductor and the 3rd switch, described the
The both ends of one capacitor connect first output end and the second output end at input signal end respectively, and the two of the second described capacitor
End connects the first input end and the second input of output signal end, the first end connection inductor of described second switch respectively
First end, described second switch the second end connection output signal end first input end simultaneously pass through the 3rd switch with electricity
The second end connection of sensor, the second end of the first end connection inductor of the described the 4th switch, the of the described the 4th switch
Two ends connect second output end at input signal end and the second input of output signal end respectively.
Further, first output end at input signal end, first switch, inductor, the 3rd switch and output signal end
First input end be sequentially connected in series.The first input end of output signal end, second switch, inductor, the 4th switch and defeated
The second input for going out signal end is sequentially connected in series.
The present invention compares with prior art, and its effect is positive and obvious.This DC/DC conversion electricity of the present invention
Road, include input（Output）Signal end, output（Input）Signal end, the first filter condenser, energy-storage reactor, four switch,
Second filter condenser.The filtering and energy storage of input voltage are realized by the first filter condenser, electricity is realized by inductance and switch
Pressure is exchanged, and output voltage filtering and energy storage are realized by the second capacitor.The present invention can realize high step-up ratio, topological structure conversion
Function is more and realizes the target of a variety of step-up ratios.
Brief description of the drawings：
Fig. 1 is the DC/DC translation circuit schematic diagrames of the present invention.
Fig. 2 is the first mode of operation schematic diagram of the DC/DC translation circuits of the present invention.
Fig. 3 is the second mode of operation schematic diagram of the DC/DC translation circuits of the present invention.
Embodiment：
Embodiment 1:
As shown in figure 1, this DC/DC translation circuits of the present invention, including input signal end W1, output signal end W2, the first electricity
Container C1, the second capacitor C2, inductor L1, first switch S1, second switch S2, the 3rd switch S3 and the 4th switch S4, institute
The input signal end W1 stated includes the first output terminals A 1 and the second output terminals A 2, and described output signal end W2 includes the first input
B1 and the second input B2 is held, wherein, described input signal end the first output terminals As of W1 1 pass through first switch S1, inductor L1
Connect output signal end W2 first input end B1 with the 3rd switch S3, the both ends of the first described capacitor C1 connect defeated respectively
Enter signal end W1 the first output terminals A 1 and the second output terminals A 2, the both ends of the second described capacitor C2 connect output letter respectively
The of number end W2 first input end B1 and the second input B2, described second switch S2 first end C connection inductors L1
One end C, described second switch S2 the second end F connection output signal ends W2 first input end B1, and pass through the 3rd switch
S3 is connected with inductor L1 the second end D, the described the 4th switch S4 first end D connection inductors L1 the second end D, described
The 4th switch S4 the second end E connect respectively input signal end W1 the second output terminals A 2 and output signal end W2 it is second defeated
Enter to hold B2.
Further, input signal end W1 the first output terminals A 1, first switch S1, inductor L1, the 3rd switch S3 and
Output signal end W2 first input end B1 is sequentially connected in series.Output signal end W2 first input end B1, second switch S2,
Inductor L1, the 4th switch S4 and output signal end W2 the second input B2 are sequentially connected in series.
In first mode of operation of this DC/DC translation circuits of the invention as shown in Figure 2, first by first switch S1 and
3rd switch S3 closure conductings, realize the second capacitor C2 preliminary filling, after the second capacitor C2 establishes voltage, shut-off first is opened
The switch S3 of S1 and the 3rd are closed, second switch S2 and the 4th is switched S4 conductings, inductor L1 is carried out energy storage.Afterwards by second switch
The switch S4 shut-offs of S2 and the 4th, make first switch S1 and the 3rd switch S3 closure conductings, realize inductor L1 exoergic, make input
Voltage and inductive drop are overlapped, and output boosting is realized using voltagesecond product equilibrium theorem.
It can show that output and input step-up ratio are according to the first mode of operation：（1-D）/（1-2*D）, D is second switch
S2（4th switch S4）Dutycycle.
In second mode of operation of this DC/DC translation circuits of the invention as shown in Figure 3, first by the 3rd switch S3 length
Disconnect, the 4th switch S4 length closures.First switch S1 is turned off afterwards, is made second switch S2 closure conductings, is stored up inductor L1
Energy.Second switch S2 is turned off again, turns on first switch S1, realizes the exoergic of inductor, is realized using voltagesecond product equilibrium theorem
Export buck.
It can show that output and input step-up ratio are according to the second mode of operation：-D/（1-D）, D is accounting for for second switch S2
Empty ratio.
It can be seen that the present invention realizes high step-up ratio conversion, buck conversion and different step-up ratios and become by different step-up ratios
The function of changing, and there is low cost and control simple.
Claims (2)
1. a kind of DC/DC translation circuits, including input signal end, output signal end, the first capacitor, the second capacitor, inductance
Device, first switch, second switch, third switch and the 4th switch, described input signal end includes the first output end and second
Output end, described output signal end include first input end and the second input, it is characterised in that：Described input signal end
The first output end connect the first input end of output signal end by first switch, inductor and the 3rd switch, described the
The both ends of one capacitor connect first output end and the second output end at input signal end respectively, and the two of the second described capacitor
End connects the first input end and the second input of output signal end, the first end connection inductor of described second switch respectively
First end, described second switch the second end connection output signal end first input end simultaneously pass through the 3rd switch with electricity
The second end connection of sensor, the second end of the first end connection inductor of the described the 4th switch, the second end of the 4th switch connects
Connect second output end at input signal end and the second input of output signal end.
2. DC/DC translation circuits as claimed in claim 1, it is characterised in that：First output end at described input signal end,
First switch, inductor, the 3rd switch and the first input end of output signal end are sequentially connected in series, described output signal end
First input end, second switch, inductor, the 4th switch and the second input of output signal end be sequentially connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710609339.5A CN107359791B (en) | 2017-07-25 | 2017-07-25 | DC/DC conversion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710609339.5A CN107359791B (en) | 2017-07-25 | 2017-07-25 | DC/DC conversion circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107359791A true CN107359791A (en) | 2017-11-17 |
| CN107359791B CN107359791B (en) | 2023-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710609339.5A Active CN107359791B (en) | 2017-07-25 | 2017-07-25 | DC/DC conversion circuit |
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| Country | Link |
|---|---|
| CN (1) | CN107359791B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086342A (en) * | 2019-05-23 | 2019-08-02 | 广州金升阳科技有限公司 | A kind of switch converters and its control method |
| CN110719026A (en) * | 2019-09-11 | 2020-01-21 | 广州金升阳科技有限公司 | Boost converter and control method thereof |
| WO2020155288A1 (en) * | 2019-01-28 | 2020-08-06 | 展讯通信（上海）有限公司 | Buck-boost circuit and control method |
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| US6232752B1 (en) * | 1999-11-10 | 2001-05-15 | Stephen R. Bissell | DC/DC converter with synchronous switching regulation |
| JP2007053883A (en) * | 2005-08-19 | 2007-03-01 | Denso Corp | Step-up-and-down chopper dc-dc converter |
| JP2012034516A (en) * | 2010-07-30 | 2012-02-16 | Asahi Kasei Electronics Co Ltd | Operation mode switching type dc-dc converter |
| CN102629823A (en) * | 2012-04-05 | 2012-08-08 | 安徽工业大学 | DC/DC (direct-current/direct-current) converter with high step-up ratio and low switch voltage press |
| WO2016000489A1 (en) * | 2014-06-30 | 2016-01-07 | 阳光电源股份有限公司 | Dc-dc converter with high transformer ratio |
| CN205356149U (en) * | 2016-01-27 | 2016-06-29 | 武汉合康动力技术有限公司 | DC -DC converter |
| CN206023578U (en) * | 2016-10-08 | 2017-03-15 | 山东大学 | A kind of non-isolated high step-up ratio DC converter of modified |
| CN207098942U (en) * | 2017-07-25 | 2018-03-13 | 华域汽车电动系统有限公司 | DC/DC translation circuits |
-
2017
- 2017-07-25 CN CN201710609339.5A patent/CN107359791B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6232752B1 (en) * | 1999-11-10 | 2001-05-15 | Stephen R. Bissell | DC/DC converter with synchronous switching regulation |
| JP2007053883A (en) * | 2005-08-19 | 2007-03-01 | Denso Corp | Step-up-and-down chopper dc-dc converter |
| JP2012034516A (en) * | 2010-07-30 | 2012-02-16 | Asahi Kasei Electronics Co Ltd | Operation mode switching type dc-dc converter |
| CN102629823A (en) * | 2012-04-05 | 2012-08-08 | 安徽工业大学 | DC/DC (direct-current/direct-current) converter with high step-up ratio and low switch voltage press |
| WO2016000489A1 (en) * | 2014-06-30 | 2016-01-07 | 阳光电源股份有限公司 | Dc-dc converter with high transformer ratio |
| CN205356149U (en) * | 2016-01-27 | 2016-06-29 | 武汉合康动力技术有限公司 | DC -DC converter |
| CN206023578U (en) * | 2016-10-08 | 2017-03-15 | 山东大学 | A kind of non-isolated high step-up ratio DC converter of modified |
| CN207098942U (en) * | 2017-07-25 | 2018-03-13 | 华域汽车电动系统有限公司 | DC/DC translation circuits |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020155288A1 (en) * | 2019-01-28 | 2020-08-06 | 展讯通信（上海）有限公司 | Buck-boost circuit and control method |
| US11799376B2 (en) | 2019-01-28 | 2023-10-24 | Spreadtrum Communications (Shanghai) Co., Ltd. | Buck-boost circuit and control method |
| CN110086342A (en) * | 2019-05-23 | 2019-08-02 | 广州金升阳科技有限公司 | A kind of switch converters and its control method |
| CN110086342B (en) * | 2019-05-23 | 2020-11-06 | 广州金升阳科技有限公司 | Switch converter and control method thereof |
| CN110719026A (en) * | 2019-09-11 | 2020-01-21 | 广州金升阳科技有限公司 | Boost converter and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN107359791B (en) | 2023-05-02 |
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