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
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- 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
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- 238000010168 coupling process Methods 0.000 title claims abstract description 40
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 40
- 239000003990 capacitor Substances 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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Abstract
本实用新型公开了一种基于耦合电感的新型高增益升压变换电路，包括一个电源，一个耦合电感，一个开关管，一个箝位二极管，一个箝位电容，一个输出二极管，一个输出电容和一个负载。本实用新型利用耦合电感的变压器效应提高了电路的电压增益，且由于耦合电感原边的抑制电流上升的作用使得开关管上的电流应力较小，箝位二极管和箝位电容组成的箝位电路吸收漏感能量，避免开关管受到尖峰电压的冲击，并且箝位电容所吸收的漏感能量最终又转移给负载，实现能量的无损转移。
The utility model discloses a novel high-gain boost conversion circuit based on coupled inductance, which comprises a power supply, a coupled inductance, a switch tube, a clamping diode, a clamping capacitor, an output diode, an output capacitor and a load. The utility model improves the voltage gain of the circuit by using the transformer effect of the coupling inductance, and the current stress on the switch tube is small due to the function of the primary side of the coupling inductance to suppress the current rise, and the clamping circuit composed of the clamping diode and the clamping capacitor The leakage inductance energy is absorbed to prevent the switching tube from being impacted by the peak voltage, and the leakage inductance energy absorbed by the clamp capacitor is finally transferred to the load, realizing the lossless 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)
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
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| 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 |
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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 |
Granted publication date: 20160511 Termination date: 20161029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |