CN205232026U - Novel high -gain transfer circuit that steps up based on coupling inductance - Google Patents
Novel high -gain transfer circuit that steps up based on coupling inductance Download PDFInfo
- Publication number
- CN205232026U CN205232026U CN201520865408.5U CN201520865408U CN205232026U CN 205232026 U CN205232026 U CN 205232026U CN 201520865408 U CN201520865408 U CN 201520865408U CN 205232026 U CN205232026 U CN 205232026U
- Authority
- CN
- China
- Prior art keywords
- coupling inductance
- clamp
- circuit
- diode
- output
- 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.)
- Expired - Fee Related
Links
Landscapes
- Dc-Dc Converters (AREA)
Abstract
The utility model discloses a novel high -gain transfer circuit that steps up based on coupling inductance, including a power, a coupling inductance, a switch tube, a clamping diode, a clamp electric capacity, an output diode, an output capacitance and a load. The utility model discloses the transformer action of utilizing coupling inductance has improved the voltage gain of circuit, and because effect that the curb on the former limit of coupling inductance rises makes the electric current stress on the switch tube less, and clamp circuit absorption leakage inductor energy that clamping diode and clamp electric capacity are constituteed avoids the switch tube to receive spike voltage's impact to the absorptive leakage inductor energy of clamp electric capacity institute finally shifts again and gives the load, realizes the harmless transfer of energy.
Description
Technical field
The utility model relates to a kind of DC-DC transfer circuit utilizing coupling inductance to realize high gain boost.
Background technology
In the last few years, along with global energy supply problem is on the rise, fast-developing generation of electricity by new energy becomes very powerful and exceedingly arrogant topic.Meanwhile, in fast-developing generation of electricity by new energy, actively utilize solar energy, the green energy resources such as fuel cell replace the aspects such as parts of traditional fossil energy, and power electronic technology plays vital effect.In distributed generation system, as the photovoltaic generation of primary power source, there is the lower and obvious feature of Voltage Drop of output voltage in the electricity generation systems such as fuel cell, therefore, usually before voltage source inverter, add DC/DC booster circuit, direct voltage is elevated to required value.
Traditional boost circuit output voltage gain is less, and the electric current and voltage stress of switching tube is comparatively large, and there is the situation of limit duty ratio.Therefore, some experts and scholars of association area have carried out more deep research to boost circuit.In recent years, a kind of coupling inductance booster circuit is more and more paid close attention to.What coupling inductance booster circuit utilized is the transformer action of coupling inductance, while can increasing voltage gain, additionally reducing the use of switching tube, simplifying the control to circuit by using coupling inductance.But traditional coupling inductance booster circuit exists again certain shortcoming, that is: because the existence of leakage inductance makes the electric current and voltage stress on switching tube larger.
Utility model content
The utility model provides a kind of structure simple, easily controls, higher and on switching tube, electric current and voltage stress the is less novel high gain boost translation circuit based on coupling inductance of voltage gain.
Based on a novel high gain boost translation circuit for coupling inductance, comprise boost boost module, times die block and output module.
Boost boost module in described circuit is by the former limit (N of coupling inductance
1), switching tube (S), clamp diode (D
1) and clamp capacitor (C
1) form, wherein:
Former limit (the N of coupling inductance
1) first end and power supply (U
in) positive pole be connected, the former limit (N of coupling inductance
1) the second end and the collector electrode of switching tube (S) and clamp diode (D
1) anode be connected, clamp diode (D
1) negative electrode and the secondary (N of coupling inductance
2) first end and clamp capacitor (C
1) first end be connected, clamp capacitor (C
1) the second end and power supply (U
in) negative pole be connected;
Times die block in described circuit is the secondary (N of coupling inductance
2), wherein:
Secondary (the N of coupling inductance
2) first end and clamp diode (D
1) negative electrode and clamp capacitor (C
1) first end be connected.Secondary (the N of coupling inductance
2) the second end be connected with the anode of output diode;
Output module in described circuit is by output diode (D
0), output capacitance (C
0) and load (R) formation, wherein, output diode (D
0) negative electrode and output capacitance (C
0) first end and load (R) first end be connected, output capacitance (C
0) the second end and the second end of load (R) and power supply (U
in) negative pole be connected.
During booster circuit work of the present invention, the transformer action of coupling inductance is utilized to improve the voltage gain of circuit, utilize the voltage stabilizing of clamp capacitor and absorb the effect of leakage inductance energy, no-voltage spike when switching tube is turned off, reduce the voltage stress of switching tube, switching device application is in high frequency made to become possibility, thus the conduction loss reduced on switching tube and switching loss; And the leakage inductance energy that clamp capacitor absorbs finally passes to load again.Times die block, the namely secondary of coupling inductance, when switching tube conducting, coupling inductance former limit charging, secondary energy storage.Switching tube closes has no progeny, and times die block, the i.e. secondary of coupling inductance, be equivalent to a voltage source, with power sources in series, to load transfer energy, and then improves the voltage gain of circuit.
Do not need in the present invention to use switching tube and inductance element in addition, device used is less, and circuit structure is simple, easily controls.Circuit does not have too much energy loss element, improves the operating efficiency of circuit.In the process of the change of current, because the effect on clamping capacitance and the former limit of coupling inductance, switching tube there will not be surge voltage and impulse current.Coupling inductance had both improved the voltage gain of circuit, turn reduced the volume of circuit.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the utility model based on the novel high gain boost translation circuit of coupling inductance;
Fig. 2 is the circuit diagram of the first operating state of boost conversion circuit in Fig. 1;
Fig. 3 is the circuit diagram of the second operating state of boost conversion circuit in Fig. 1;
Fig. 4 is the circuit diagram of the third operating state of boost conversion circuit in Fig. 1;
Embodiment
See Fig. 1, the utility model, based on the novel high gain boost translation circuit of coupling inductance, comprises boost boost module, times die block and output module three parts.
In the boost module of described circuit, the former limit (N of coupling inductance
1) first end and power supply (U
in) positive pole be connected, the former limit (N of coupling inductance
1) the second end and the collector electrode of switching tube (S) and clamp diode (D
1) anode be connected, clamp diode (D
1) negative electrode and the secondary (N of coupling inductance
2) first end and clamp capacitor (C
1) first end be connected, clamp capacitor (C
1) the second end and the transmitting collection of switching tube (S) and power supply (U
in) negative pole be connected;
Times die block of described circuit is the secondary (N of coupling inductance
2), the secondary (N of coupling inductance
2) first end and clamp diode (D
1) negative electrode and clamp capacitor (C
1) first end be connected.Secondary (the N of coupling inductance
2) the second end be connected with the anode of output diode;
In the output module of described circuit, output diode (D
0) negative electrode and output capacitance (C
0) first end and load (R) first end be connected, output capacitance (C
0) the second end and the second end of load (R) and power supply (U
in) negative pole be connected.
Output capacitance (C
0) voltage be U
out, energy finally passes to load (R).
Novel high gain boost translation circuit based on coupling inductance has three kinds of courses of work in a switch periods, as shown in Figure 2 to 4.
Process 1, as shown in Figure 2: switching tube S conducting, diode D
1cut-off, the former limit of power supply and coupling inductance and switching tube form a loop, the former limit N of coupling inductance
1charging, the secondary N of coupling inductance
2be in energy storage state, but do not have electric current to flow through.
Process 2, as shown in Figure 3: switching tube S closes and has no progeny, diode D
1conducting, electric capacity C
1be in energy storage state, the former limit N of coupling inductance
1be in discharge condition.
Process 3, as shown in Figure 4: electric capacity C
1energy storage completes, diode D
0conducting, now, input power U
in, the former limit of coupling inductance, secondary and electric capacity C
1by energy transferring to load end.
The invention solves the gain restricted problem of traditional B oost circuit.
Above-described embodiment is the present invention's preferably execution mode; but embodiments of the present invention are not limited by the examples; the change done under other any does not deviate from Spirit Essence of the present invention and principle; modify; substitute, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (1)
1. based on a novel high gain boost translation circuit for coupling inductance, comprise Boost boost module, times die block and output module, is characterized in that, described Boost boost module is by the former limit N of coupling inductance
1, switching tube S, clamp diode D
1and clamp capacitor C
1form, wherein: the former limit N of coupling inductance
1first end and power supply U
inpositive pole be connected, the former limit N of coupling inductance
1the second end and the collector electrode of switching tube S and clamp diode D
1anode be connected, clamp diode D
1negative electrode and the secondary N of coupling inductance
2first end and clamp capacitor C
1first end be connected, clamp capacitor C
1the second end and the transmitting collection of switching tube S and power supply U
innegative pole be connected;
Described times die block is the secondary N of coupling inductance
2, wherein, the secondary N of coupling inductance
2first end and clamp diode D
1negative electrode and clamp capacitor C
1first end be connected, the secondary N of coupling inductance
2the second end be connected with the anode of output diode;
Described output module is by output diode D
0, output capacitance C
0and load R is formed, wherein, output diode D
0negative electrode and output capacitance C
0first end and the first end of load R be connected, second end of output capacitance C0 and second end of load R and power supply U
innegative pole be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520865408.5U CN205232026U (en) | 2015-10-29 | 2015-10-29 | Novel high -gain transfer circuit that steps up based on coupling inductance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520865408.5U CN205232026U (en) | 2015-10-29 | 2015-10-29 | Novel high -gain transfer circuit that steps up based on coupling inductance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205232026U true CN205232026U (en) | 2016-05-11 |
Family
ID=55907068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520865408.5U Expired - Fee Related CN205232026U (en) | 2015-10-29 | 2015-10-29 | Novel high -gain transfer circuit that steps up based on coupling inductance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205232026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093213A (en) * | 2016-08-04 | 2016-11-09 | 河北工业大学 | Portable electromagnetic ultrasonic pulse excitation apparatus |
-
2015
- 2015-10-29 CN CN201520865408.5U patent/CN205232026U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093213A (en) * | 2016-08-04 | 2016-11-09 | 河北工业大学 | Portable electromagnetic ultrasonic pulse excitation apparatus |
| CN106093213B (en) * | 2016-08-04 | 2019-05-31 | 河北工业大学 | Portable electromagnetic ultrasonic pulse excitation apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201656768U (en) | Coupled inductor realizing high-gain double voltage boost converter | |
| CN203233309U (en) | High-gain high-efficiency boost converter realized by three-winding coupling inductor | |
| CN103490628B (en) | A kind of single-phase high-gain boost converter | |
| CN204271904U (en) | A kind of due to voltage spikes lossless absorption circuit and Switching Power Supply | |
| CN103312020B (en) | Hybrid Vehicle composite power source is controlled based on Modified Filter power dividing | |
| CN102832809A (en) | Inductance regulating switch capacitor-type passive clamping soft switching high-gain boost-type converter | |
| CN203119763U (en) | Quasi-interweaving parallel high-gain converter with voltage multiplication unit | |
| CN103780086B (en) | Based on the dual output bus type high-gain converter of coupling inductance times laminated structure | |
| CN203243222U (en) | High-gain converter containing voltage multiplying unit and improved interleaved Boost | |
| CN204376517U (en) | A kind of bidirectional DC-DC converter for direct current network energy storage | |
| CN105720817A (en) | PFC soft switching circuit of BOOST circuit | |
| CN101635528B (en) | Forward single-stage isolated inverter | |
| CN203775027U (en) | High-voltage-boost-ratio converter with bidirectional voltage output used for photovoltaic module | |
| CN103066837A (en) | High gain voltage-multiplying structure active lossless clamping converter | |
| CN104270085A (en) | DC/DC conversion circuit in solar photovoltaic power generation system | |
| CN203434865U (en) | Single-phase high-gain boost converter | |
| CN203645540U (en) | A high-efficiency high-gain DC-DC converter with coupling inductors | |
| CN204886697U (en) | High -gain boost circuit | |
| CN205232026U (en) | Novel high -gain transfer circuit that steps up based on coupling inductance | |
| CN202798466U (en) | Isolated-type new energy power supply unit based on three-port power converter | |
| CN203775030U (en) | DC-module-used high-voltage-boost-ratio converter based on coupling inductors | |
| CN203039579U (en) | High gain voltage-multiplying structure active lossless clamp converter | |
| CN110086340A (en) | A kind of two-way large velocity ratio DC-DC converter of novel coupling inductance | |
| CN205160374U (en) | Coupling inductance high -gain booster converter of low -voltage electric current stress | |
| CN201690251U (en) | Storage battery charging circuit based on photovoltaic power generation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161029 |