CN203180778U - Double-forward converter circuit - Google Patents
Double-forward converter circuit Download PDFInfo
- Publication number
- CN203180778U CN203180778U CN 201320126687 CN201320126687U CN203180778U CN 203180778 U CN203180778 U CN 203180778U CN 201320126687 CN201320126687 CN 201320126687 CN 201320126687 U CN201320126687 U CN 201320126687U CN 203180778 U CN203180778 U CN 203180778U
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- China
- Prior art keywords
- diode
- switch
- transformer
- negative pole
- positive pole
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Abstract
The utility model discloses a double-forward converter circuit comprising a capacitor, an inductor, a resistor, a first transformer, a second transformer, a first switch, a second switch, a third switch, a fourth switch, a first diode, a second diode, a third diode, a fourth diode, a fifth diode, a sixth diode, a seventh diode, and an eighth diode. A voltage anode input end is respectively connected with a cathode of the first diode, a cathode of the third diode, a first end of the first switch, and a first end of the third switch. A voltage cathode input end is respectively connected with an anode of the second diode, an anode of the fourth diode, a first end of the second switch, and a first end of the fourth switch. The double-forward converter circuit is advantageous in that the two forward converter circuits are parallely connected together, therefore the power and the output frequency of the converter can be increased, and the safety and the stability of the working state can reach the best.
Description
Technical field
The utility model relates to a kind of converter circuit, relates in particular to a kind of pair of positive activation type converter circuit.
Background technology
Power pack is a kind of transformer of closed no air gap unshakable in one's determination.Advantage is when unshakable in one's determination when unsaturated, and the secondary current waveform is with once identical.Shortcoming is saturated easily under the effect of electric current aperiodic component, poor linearity, the general power pack that adopts in the Microcomputer Protection.In the voltage formation loop of microcomputer protecting device to input current, to use this equipment.In the concrete application of DC converter, inverse excitation type converter and positive activation type converter occupy majority.Power pack in the market exists that power is not high, the shortcoming of unstable working condition.
The utility model content
The purpose of this utility model just is to provide in order to address the above problem two positive activation type converter circuits of a kind of reliability height, power output height, stable working state.
In order to achieve the above object, the utility model has adopted following technical scheme:
A kind of pair of positive activation type converter circuit, comprise electric capacity, inductance, resistance, first transformer, second transformer, first switch, second switch, the 3rd switch, the 4th switch, first diode, second diode, the 3rd diode, the 4th diode, the 5th diode, the 6th diode, the 7th diode and the 8th diode, the positive polarity input respectively with the negative pole of the negative pole of described first diode, described the 3rd diode,
First end of described first switch is connected with first end of described the 3rd switch, the voltage negative input respectively with the positive pole of described second diode, the positive pole of described the 4th diode, first end of described second switch is connected with first end of described the 4th switch, second end of described first switch is connected with first end of a winding of described first transformer and the negative pole of described second diode respectively, the positive pole of described first diode is connected with second end of a winding of described first transformer and second end of described second switch respectively, second end of described the 3rd switch is connected with first end of a winding of described second transformer and the negative pole of described the 4th diode respectively, the positive pole of described the 3rd diode is connected with second end of a winding of described second transformer and second end of described the 4th switch respectively, first end of the secondary winding of described first transformer is connected with the positive pole of described the 5th diode, second end of the secondary winding of described first transformer respectively with the positive pole of described the 6th diode, first end of described electric capacity, first end of described resistance, first end of the secondary winding of the positive pole of described the 8th diode and described second transformer is connected, the negative pole of described the 5th diode respectively with the negative pole of described the 6th diode, first end of described inductance, the negative pole of described the 7th diode is connected with the negative pole of described the 8th diode, second end of described inductance is connected with second end of described electric capacity and second end of described resistance respectively, and second end of the secondary winding of described second transformer is connected with the positive pole of described the 7th diode.
The beneficial effects of the utility model are:
The two positive activation type converter circuits of the utility model make that by the parallel connection of two positive activation type translation circuits the power of converter increases, output frequency increases, and fail safe and stability under working conditions reach the highest.
Description of drawings
Fig. 1 is the circuit diagram of the two positive activation type converter circuits of the utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, a kind of pair of positive activation type converter circuit of the utility model, comprise capacitor C, inductance L, resistance R, the first transformer T1, the second transformer T2, first switch S 1, second switch S2, the 3rd switch S 3, the 4th switch S 4, the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6, the 7th diode D7 and the 8th diode D8, the positive polarity input respectively with the negative pole of the first diode D1, the negative pole of the 3rd diode D3, first end of first switch S 1 is connected with first end of the 3rd switch S 3, the voltage negative input respectively with the positive pole of the second diode D2, the positive pole of the 4th diode D4, first end of second switch S2 is connected with first end of the 4th switch S 4, second end of first switch S 1 is connected with first end of the winding of the first transformer T1 and the negative pole of the second diode D2 respectively, the positive pole of the first diode D1 is connected with second end of the winding of the first transformer T1 and second end of second switch S2 respectively, second end of the 3rd switch S 3 is connected with first end of the winding of the second transformer T2 and the negative pole of the 4th diode D4 respectively, the positive pole of the 3rd diode D3 is connected with second end of the winding of the second transformer T2 and second end of the 4th switch S 4 respectively, first end of the secondary winding of the first transformer T1 is connected with the positive pole of the 5th diode D5, second end of the secondary winding of the first transformer T1 respectively with the positive pole of the 6th diode D6, first end of capacitor C, first end of resistance R, first end of the secondary winding of the positive pole of the 8th diode D8 and the second transformer T2 is connected, the negative pole of the 5th diode D5 respectively with the negative pole of the 6th diode D6, first end of inductance L, the negative pole of the 7th diode D7 is connected with the negative pole of the 8th diode D8, second end of inductance L is connected with second end of capacitor C and second end of resistance R respectively, and second end of the secondary winding of the second transformer T2 is connected with the positive pole of the 7th diode D7.
Claims (1)
1. two positive activation type converter circuit, it is characterized in that: comprise electric capacity, inductance, resistance, first transformer, second transformer, first switch, second switch, the 3rd switch, the 4th switch, first diode, second diode, the 3rd diode, the 4th diode, the 5th diode, the 6th diode, the 7th diode and the 8th diode, the positive polarity input respectively with the negative pole of described first diode, the negative pole of described the 3rd diode, first end of described first switch is connected with first end of described the 3rd switch, the voltage negative input respectively with the positive pole of described second diode, the positive pole of described the 4th diode, first end of described second switch is connected with first end of described the 4th switch, second end of described first switch is connected with first end of a winding of described first transformer and the negative pole of described second diode respectively, the positive pole of described first diode is connected with second end of a winding of described first transformer and second end of described second switch respectively, second end of described the 3rd switch is connected with first end of a winding of described second transformer and the negative pole of described the 4th diode respectively, the positive pole of described the 3rd diode is connected with second end of a winding of described second transformer and second end of described the 4th switch respectively, first end of the secondary winding of described first transformer is connected with the positive pole of described the 5th diode, second end of the secondary winding of described first transformer respectively with the positive pole of described the 6th diode, first end of described electric capacity, first end of described resistance, first end of the secondary winding of the positive pole of described the 8th diode and described second transformer is connected, the negative pole of described the 5th diode respectively with the negative pole of described the 6th diode, first end of described inductance, the negative pole of described the 7th diode is connected with the negative pole of described the 8th diode, second end of described inductance is connected with second end of described electric capacity and second end of described resistance respectively, and second end of the secondary winding of described second transformer is connected with the positive pole of described the 7th diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320126687 CN203180778U (en) | 2013-03-20 | 2013-03-20 | Double-forward converter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320126687 CN203180778U (en) | 2013-03-20 | 2013-03-20 | Double-forward converter circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203180778U true CN203180778U (en) | 2013-09-04 |
Family
ID=49077433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320126687 Expired - Fee Related CN203180778U (en) | 2013-03-20 | 2013-03-20 | Double-forward converter circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203180778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065269A (en) * | 2013-03-20 | 2014-09-24 | 成都世旗电子科技有限公司 | Double forward converter circuit |
-
2013
- 2013-03-20 CN CN 201320126687 patent/CN203180778U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065269A (en) * | 2013-03-20 | 2014-09-24 | 成都世旗电子科技有限公司 | Double forward converter circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130904 Termination date: 20140320 |