CN201733217U - High-gain boost converter with inductance and capacitance switch network - Google Patents
High-gain boost converter with inductance and capacitance switch network Download PDFInfo
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- CN201733217U CN201733217U CN2010202331256U CN201020233125U CN201733217U CN 201733217 U CN201733217 U CN 201733217U CN 2010202331256 U CN2010202331256 U CN 2010202331256U CN 201020233125 U CN201020233125 U CN 201020233125U CN 201733217 U CN201733217 U CN 201733217U
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Abstract
The utility model discloses a high-gain boost converter with an inductance and capacitance switch network, which comprises a power switch tube, two Boost power inductors, an intermediate energy storage capacitor and three rectification diodes. The high-gain boost converter realizes output boosting by using inherent properties of an LC switch network, and high-gain outputted voltage can be achieved by combining the Boost converter.
Description
Technical field
The utility model relates to a kind of non-isolation type direct-current-DC converter, is high-gain Boost (boosting) converter that has LC (inductance capacitance) switching network specifically.
Background technology
Conventional Boost converter comprises a power switch pipe, a Boost power inductance, a rectifier diode.The drain electrode of power switch pipe links to each other with an end of Boost power inductance and the anode of rectifier diode, and the other end of Boost power inductance is connected to the positive pole of input power supply.
This non-isolation type direct-current-DC converter output voltage gain is less, though can recently obtain higher output voltage by bigger duty is set, other the parasitic effects limit in Boost power inductance and the circuit the further raising of output voltage.When duty ratio increases to certain scope, even the situation that input voltage descends on the contrary can appear.Therefore, conventional Boost converter duty ratio can not be excessive, so just can obtain the direct proportion linear relationship of output voltage and duty ratio.
The utility model content
It is simple that the purpose of this utility model provides circuit structure, and realize the high gain boost converter that has the inductance capacitance switching network of high-gain.
The high gain boost converter that has the inductance capacitance switching network of the present utility model comprises a power switch pipe, two Boost power inductances, an intermediate energy storage electric capacity, three rectifier diodes.The drain electrode of power switch pipe links to each other with an end of a Boost power inductance, the negative electrode of second rectifier diode and the anode of the 3rd rectifier diode, the other end of the one Boost power inductance links to each other with an end of intermediate energy storage electric capacity and the negative electrode of first rectifier diode, one end of the 2nd Boost power inductance links to each other with the anode of the other end of intermediate energy storage electric capacity and second rectifier diode, and the other end of the 2nd Boost power inductance links to each other with the anode of first rectifier diode and is connected to the positive pole of importing power supply.
Increase LC switching network L3, a C2, and two other rectifier diode D3, D4, this power inverter can be realized the output voltage of three times in conventional Boost converter.
Increase by two LC switching network L3, C2 and L4, C3, reach other four rectifier diode D3, D4 and D5, D6, realize the output voltage of four times in conventional Boost converter.
Increase N LC switching network, and corresponding rectifier diode, realize conventional Boost converter N output voltage doubly.
The intrinsic characteristic of LC switching network of having utilized the utility model realizes exporting boosts, and the duty ratio suitable in conjunction with the Boost converter can reach high-gain of output voltage; By arranging the LC switching network of varying number, can be neatly obtain the twice, three times, four times etc. of conventional Boost converter output voltage at output.Even can arrange N LC switching network, can obtain N output voltage doubly.
The utility model compared with prior art has following advantage and effect: the utility model utilizes the intrinsic characteristic of LC switching network, and inductance, electric capacity carry out energy storage in parallel when the power switch pipe conducting; Inductance, the electric capacity energy of releasing of connecting when power switch pipe turn-offs, thus realize that output boosts, can reach high-gain of output voltage in conjunction with the Boost converter.
Description of drawings
Fig. 1 is a kind of circuit diagram that has the high gain boost converter of inductance capacitance switching network of the present utility model;
Fig. 2 is the circuit diagram that another kind of the present utility model has the high gain boost converter of inductance capacitance switching network;
Fig. 3 is the third circuit diagram that has the high gain boost converter of inductance capacitance switching network;
Fig. 4 is the steady operation oscillogram that has the high gain boost converter of inductance capacitance switching network;
Embodiment
Referring to Fig. 1, the high gain boost converter that has the inductance capacitance switching network of the present utility model comprises a power switch pipe Q1, two Boost power inductance L1, L2, an intermediate energy storage capacitor C 1, three rectifier diode D1, D2, D3.The drain electrode of Q1 links to each other with the end of L1, the negative electrode of D2 and the anode of D3, and the other end of L1 links to each other with the end of C1 and the negative electrode of D1, and the end of L2 links to each other with the other end of C1 and the anode of D2, and the other end of L2 links to each other with the anode of D1 and is connected to the positive pole of importing power supply.
Perhaps also can be as shown in Figure 2, the connected mode of main power conversion circuit is constant, increases LC switching network L3, a C2, and two other rectifier diode D3, D4, and this power inverter can be realized the output voltage of three times in conventional Boost converter.
Perhaps also can be as shown in Figure 3, the connected mode of main power conversion circuit is constant, increase by two LC switching network L3, C2 and L4, C3, and other four rectifier diode D3, D4 and D5, D6, this power inverter can be realized the output voltage of four times in conventional Boost converter.Have N LC switching network in the ifs circuit, just can realize conventional Boost converter N output voltage doubly, no longer describe in detail here.
In the complete work period, there are two operation modes (Fig. 1 is identical with the course of work of Fig. 2, converter shown in Figure 3) in the high gain boost converter that has the inductance capacitance switching network, as shown in Figure 4.
T0～t1: the power switch pipe conducting, also conducting of rectifier diode D1, D2, Boost power inductance L1, L2 energy storage, also energy storage of intermediate energy storage electric capacity simultaneously, the output energy is provided by output filter capacitor Cout.
T1～t2: power switch pipe turn-offs, and rectifier diode D1, D2 end, and Boost power inductance L1, L2 release energy, and intermediate energy storage electric capacity also releases energy simultaneously, and this energy provides charging and powers to output loading to output filter capacitor Cout.
When power inverter works in the inductive current continuous conduction mode, can obtain by the above-mentioned switch course of work:
During the power switch pipe conducting, have
Here L
1=L
2=L, and the intermediate energy storage capacitance voltage is V
c=V
In
When power switch pipe turn-offs, can obtain
In the complete switch periods, two Boost power inductances must be realized the weber balance, thereby can obtain:
D is the duty ratio of power switch pipe.
From above analytic process as can be seen, can obtain the output voltage of high-gain,
This high gain boost converter of inductance capacitance switching network that has is when the power switch pipe conducting, two Boost power inductances and intermediate energy storage electric capacity all carry out similar charged in parallel energy storage, and when power switch pipe turn-offs, two Boost power inductances and intermediate energy storage electric capacity all carry out similar discharged in series and release energy to load, can realize the multiplication of voltage output of Boost converter, the inherence of Here it is the LC switching network characteristic of boosting.Arrange by similar LC network, can realize 3,4 times output voltage, even during N LC switching network, can obtain N times output voltage.
Claims (4)
1. a high gain boost converter that has the inductance capacitance switching network is characterized in that comprising a power switch pipe Q1, two Boost power inductance L1, L2, an intermediate energy storage capacitor C 1, three rectifier diode D1, D2, D3; The drain electrode of Q1 links to each other with the end of L1, the negative electrode of D2 and the anode of D3, and the other end of L1 links to each other with the end of C1 and the negative electrode of D1, and the end of L2 links to each other with the other end of C1 and the anode of D2, and the other end of L2 links to each other with the anode of D1 and is connected to the positive pole of importing power supply.
2. converter according to claim 1 is characterized in that increasing LC switching network L3, a C2, and two other rectifier diode D3, D4, and this power inverter can be realized the output voltage of three times in conventional Boost converter.
3. converter according to claim 1 is characterized in that increasing by two LC switching network L3, C2 and L4, C3, and other four rectifier diode D3, D4 and D5, D6, realizes the output voltage of four times in conventional Boost converter.
4. converter according to claim 1 is characterized in that increasing N LC switching network, and corresponding rectifier diode, realizes conventional Boost converter N output voltage doubly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202331256U CN201733217U (en) | 2010-06-21 | 2010-06-21 | High-gain boost converter with inductance and capacitance switch network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202331256U CN201733217U (en) | 2010-06-21 | 2010-06-21 | High-gain boost converter with inductance and capacitance switch network |
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| CN201733217U true CN201733217U (en) | 2011-02-02 |
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| CN2010202331256U Expired - Fee Related CN201733217U (en) | 2010-06-21 | 2010-06-21 | High-gain boost converter with inductance and capacitance switch network |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882869A (en) * | 2010-06-21 | 2010-11-10 | 华南理工大学 | High-gain boost converter with inductance-capacitance switching network |
| CN103066841A (en) * | 2013-01-28 | 2013-04-24 | 上海电力学院 | Voltage-multiplying DC converter based on charge pump capacitor |
| CN103346672A (en) * | 2013-06-17 | 2013-10-09 | 重庆大学 | Multi-stage single switch boost converter |
| AT512738A1 (en) * | 2012-03-15 | 2013-10-15 | Fachhochschule Technikum Wien | Inductive charge pump with reduced output impedance |
| CN103490623A (en) * | 2013-09-16 | 2014-01-01 | 华南理工大学 | Non-cascaded Nth form Boost converter |
| CN105553254A (en) * | 2015-12-24 | 2016-05-04 | 厦门大学 | Zero-voltage switch high-gain DC-DC converter containing switched capacitors |
| CN107086776A (en) * | 2017-06-26 | 2017-08-22 | 广东工业大学 | A kind of booster circuit and new energy resources system based on n grades of perceptual active impedance networks |
| CN113179015A (en) * | 2021-05-12 | 2021-07-27 | 西安石油大学 | High-gain DC-DC converter based on Z boost structure |
-
2010
- 2010-06-21 CN CN2010202331256U patent/CN201733217U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882869B (en) * | 2010-06-21 | 2013-01-23 | 华南理工大学 | High-gain boost converter with inductance-capacitance switching network |
| CN101882869A (en) * | 2010-06-21 | 2010-11-10 | 华南理工大学 | High-gain boost converter with inductance-capacitance switching network |
| AT512738B1 (en) * | 2012-03-15 | 2014-04-15 | Fachhochschule Technikum Wien | Inductive charge pump with reduced output impedance |
| AT512738A1 (en) * | 2012-03-15 | 2013-10-15 | Fachhochschule Technikum Wien | Inductive charge pump with reduced output impedance |
| CN103066841A (en) * | 2013-01-28 | 2013-04-24 | 上海电力学院 | Voltage-multiplying DC converter based on charge pump capacitor |
| CN103066841B (en) * | 2013-01-28 | 2016-03-02 | 上海电力学院 | A kind of times die mould DC converter based on charge pump capacitor |
| CN103346672A (en) * | 2013-06-17 | 2013-10-09 | 重庆大学 | Multi-stage single switch boost converter |
| CN103346672B (en) * | 2013-06-17 | 2015-05-06 | 重庆大学 | Multi-stage single switch boost converter |
| CN103490623A (en) * | 2013-09-16 | 2014-01-01 | 华南理工大学 | Non-cascaded Nth form Boost converter |
| CN103490623B (en) * | 2013-09-16 | 2016-08-17 | 华南理工大学 | A kind of non-cascaded Nth form Boost |
| CN105553254A (en) * | 2015-12-24 | 2016-05-04 | 厦门大学 | Zero-voltage switch high-gain DC-DC converter containing switched capacitors |
| CN105553254B (en) * | 2015-12-24 | 2018-03-23 | 厦门大学 | A kind of ZVT high-gain DC DC converters containing switching capacity |
| CN107086776A (en) * | 2017-06-26 | 2017-08-22 | 广东工业大学 | A kind of booster circuit and new energy resources system based on n grades of perceptual active impedance networks |
| CN113179015A (en) * | 2021-05-12 | 2021-07-27 | 西安石油大学 | High-gain DC-DC converter based on Z boost structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20130621 |