CN207098942U - DC/DC translation circuits - Google Patents
DC/DC translation circuits Download PDFInfo
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- CN207098942U CN207098942U CN201720903432.2U CN201720903432U CN207098942U CN 207098942 U CN207098942 U CN 207098942U CN 201720903432 U CN201720903432 U CN 201720903432U CN 207098942 U CN207098942 U CN 207098942U
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- 239000003990 capacitor Substances 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims description 4
- 238000013507 mapping Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000004146 energy storage Methods 0.000 description 5
- 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
- 230000009466 transformation Effects 0.000 description 1
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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 utility model 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:
Electricity field, more particularly to DC voltage conversion technology are the utility model is related to, particularly a kind of DC/DC conversion electricity
Road.
Background technology:
With the fast development of power electronics industry, the requirement more and more higher to DC/DC translation circuits, especially to DC/
The high step-up ratio conversion of DC translation circuits, buck conversion etc. propose an urgent demand, but current DC/DC translation circuits tool
Have the shortcomings that step-up ratio is low, topological structure function is single.
Utility model content：
The purpose of this utility model is to provide a kind of DC/DC translation circuits, and described this DC/DC translation circuits will solve
The technical problem that DC/DC translation circuits step-up ratio certainly of the prior art is low, topological structure function is single.
This DC/DC translation circuits of the present utility model, including input signal end, output signal end, the first capacitor,
Two capacitors, inductor, first switch, second switch, third switch and the 4th switch, described input signal end include first
Output end and the second output end, described output signal end include first input end and the second input, wherein, described input
The output end of signal end first connects the first input end of output signal end by first switch, inductor and the 3rd switch, described
The both ends of the first capacitor connect first output end and the second output end at input signal end, the second described capacitor respectively
Both ends connect the first input end and the second input of output signal end, the first end connection electricity of described second switch respectively
The first end of sensor, the first input end of the second end connection output signal end of described second switch simultaneously pass through the 3rd switch
It is connected with the second end of inductor, the second end of the first end connection inductor of the described the 4th switch, the described the 4th switch
The second end 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 utility model compares with prior art, and its effect is positive and obvious.This DC/DC of the present utility model
Translation circuit, include input（Output）Signal end, output（Input）Signal end, the first filter condenser, energy-storage reactor, four
Switch, the second filter condenser.The filtering and energy storage of input voltage are realized by the first filter condenser, it is real by inductance and switch
Existing voltage is exchanged, and output voltage filtering and energy storage are realized by the second capacitor.The utility model can realize high step-up ratio, topology
Structural Transformation function is more and realizes the target of a variety of step-up ratios.
Brief description of the drawings：
Fig. 1 is DC/DC translation circuits schematic diagram of the present utility model.
Fig. 2 is the first mode of operation schematic diagram of DC/DC translation circuits of the present utility model.
Fig. 3 is the second mode of operation schematic diagram of DC/DC translation circuits of the present utility model.
Embodiment：
Embodiment 1:
As shown in figure 1, this DC/DC translation circuits of the present utility model, including input signal end W1, output signal end
W2, the first capacitor C1, the second capacitor C2, inductor L1, first switch S1, second switch S2, the 3rd switch S3 and the 4th
S4 is switched, described input signal end W1 includes the first output terminals A 1 and the second output terminals A 2, described output signal end W2 bags
First input end B1 and the second input B2 are included, wherein, described input signal end the first output terminals As of W1 1 pass through first switch
S1, inductor L1 and the 3rd switch S3 connection output signal ends W2 first input end B1, the two of the first described capacitor C1
End connects input signal end W1 the first output terminals A 1 and the second output terminals A 2, the both ends point of the second described capacitor C2 respectively
Not Lian Jie output signal end W2 first input end B1 and the second input B2, described second switch S2 first end C connections
Inductor L1 first end C, described second switch S2 the second end F connection output signal ends W2 first input end B1, and
It is connected by the 3rd switch S3 with inductor L1 the second end D, the described the 4th switch S4 first end D connection inductors L1's
Second end D, the described the 4th switch S4 the second end E connect input signal end W1 the second output terminals A 2 and output signal respectively
Hold W2 the second input 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 present utility model as shown in Figure 2, first by first switch
The switch S3 closure conductings of S1 and the 3rd, realize the second capacitor C2 preliminary filling, after the second capacitor C2 establishes voltage, shut-off the
One switch S1 and the 3rd switch S3, makes second switch S2 and the 4th switch S4 conductings, inductor L1 is carried out energy storage.Afterwards by second
The switch S4 shut-offs of S2 and the 4th are switched, first switch S1 and the 3rd is switched S3 closure conductings, realizes 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 present utility model as shown in Figure 3, first by the 3rd switch
S3 length disconnects, the 4th switch S4 length closures.First switch S1 is turned off afterwards, is made second switch S2 closure conductings, is entered inductor L1
Row energy storage.Second switch S2 is turned off again, is turned on first switch S1, is realized the exoergic of inductor, utilize voltagesecond product equilibrium theorem
Realize output 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 utility model realizes high step-up ratio conversion, buck conversion and different boostings by different step-up ratios
Than the function of conversion, 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 |
|---|---|---|---|
| CN201720903432.2U CN207098942U (en) | 2017-07-25 | 2017-07-25 | DC/DC translation circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720903432.2U CN207098942U (en) | 2017-07-25 | 2017-07-25 | DC/DC translation circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207098942U true CN207098942U (en) | 2018-03-13 |
Family
ID=61546180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720903432.2U Withdrawn - After Issue CN207098942U (en) | 2017-07-25 | 2017-07-25 | DC/DC translation circuits |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207098942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359791A (en) * | 2017-07-25 | 2017-11-17 | 华域汽车电动系统有限公司 | A kind of DC/DC translation circuits |
-
2017
- 2017-07-25 CN CN201720903432.2U patent/CN207098942U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359791A (en) * | 2017-07-25 | 2017-11-17 | 华域汽车电动系统有限公司 | A kind of DC/DC translation circuits |
| CN107359791B (en) * | 2017-07-25 | 2023-05-02 | 华域汽车电动系统有限公司 | DC/DC conversion circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180313 Effective date of abandoning: 20230502 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180313 Effective date of abandoning: 20230502 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |