CN103746542A - Circuit for eliminating pulse impacting of pulse transformer - Google Patents
Circuit for eliminating pulse impacting of pulse transformer Download PDFInfo
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- CN103746542A CN103746542A CN201310750780.7A CN201310750780A CN103746542A CN 103746542 A CN103746542 A CN 103746542A CN 201310750780 A CN201310750780 A CN 201310750780A CN 103746542 A CN103746542 A CN 103746542A
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- switching tube
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- pulse transformer
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Abstract
The invention discloses a circuit for eliminating pulse impacting of a pulse transformer. The circuit comprises a pulse transformer and a pulse impacting eliminating module which is connected with the pulse transformer. By adopting the structure, the circuit has the advantages: 1, the pulse impacting can be eliminated by manually or automatically adjusting the delay of V1 and V2 according to the variation of a load, so that the damage on the load can be reduced; 2, the requirement on the design of the pulse transformer is reduced, and the mass production of products can be conveniently realized.
Description
Technical field
The present invention relates to transformer technology field, particularly a kind of elimination pulse of pulse transformer top rushes circuit.
Background technology
Because pulse transformer unavoidably will exist distributed capacitance, distributed inductance and leakage inductance in development process, these factors can determine that the output waveform of pulse transformer can be very not desirable, there is vibration in top, comprise top punching (output voltage waveform as shown in Figure 4), larger to load harm, for fixing load, can change Pulse Transformer Design parameter and increase more subsidiary loop, reduce top punching and vibration, but for the load changing, to change at any time auxiliary parameter, cause and use trouble.
Summary of the invention
Technical problem to be solved by this invention is, for the deficiencies in the prior art, to provide the elimination pulse top of the pulse transformer of the infringement of a kind of reduction to load to rush circuit.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of elimination pulse top of pulse transformer rushes circuit, the pulse top die block that disappears that comprises pulse transformer and be connected with pulse transformer.
The described pulse top die block that disappears comprises switching tube V1, switching tube V2, current-limiting resistance R1, the elementary of described pulse transformer is connected with the collector electrode of switching tube V1, switching tube V2 respectively, described switching tube V2 emitting stage ground connection, the emitting stage of described switching tube V1 is by current-limiting resistance R1 ground connection.
Described switching tube V1, switching tube V2 all adopt triode or insulated gate bipolar transistor or field effect transistor.
The described pulse top die block that disappears comprises switching tube V1, switching tube V2, current-limiting resistance, elementary and the collector electrode of switching tube V1 of described pulse transformer is connected, the emitter of described switching tube V1 is connected with the collector electrode of switching tube V2, and the emitter of switching tube V1 is by current-limiting resistance R1 ground connection.
Described switching tube V1, switching tube V2 all adopt triode or insulated gate bipolar transistor or field effect transistor.
The present invention adopts said structure, has the following advantages: the time delay that 1, can adjust manually or automatically V1 and V2 according to the variation of load is eliminated pulse top and fallen, and reduces the infringement to load; 2, reduce the requirement of pulse transformer design, be convenient to the batch production of product.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation;
Fig. 1 is the structural representation of embodiment mono-in the present invention;
Fig. 2 is the structural representation of embodiment bis-in the present invention;
Fig. 3 is pulse transformer output voltage waveform in the present invention;
Fig. 4 is the pulse transformer output voltage waveform of background technology in the present invention;
Embodiment
The elimination pulse of pulse transformer top rushes a circuit as shown in FIG. 1 to 3, comprises pulse transformer, also comprises the pulse top die block that disappears being connected with pulse transformer.The pulse top die block that disappears that comprises pulse transformer and be connected with pulse transformer.
Embodiment mono-
The pulse top die block that disappears comprises switching tube V1, switching tube V2, current-limiting resistance R1, the elementary of pulse transformer T1 is connected with the collector electrode of switching tube V1, switching tube V2 respectively, switching tube V2 emitting stage ground connection, the emitting stage of switching tube V1 is by current-limiting resistance R1 ground connection.Switching tube V1, switching tube V2 all adopt triode or insulated gate bipolar transistor or field effect transistor, or other semiconductor switch.
Drive signal first to supply with switching tube V1, after switching tube V1 conducting, power supply is supplied with pulse transformer T1 after by current-limiting resistance R1 current limliting, because the resistance of current-limiting resistance R1 is larger, can avoid the resonance of circuit, after certain hour, send and drive signal by switching tube V2 conducting, switching tube V1 and current-limiting resistance R1 are ineffective, and it is elementary that voltage is all added in pulse transformer T1, conversion efficiency is identical with original circuit, and output voltage waveforms as shown in Figure 3.The time delay that can adjust manually or automatically switching tube V1 and switching tube V2 according to the variation of load is eliminated pulse top and is fallen.
Embodiment bis-
The pulse top die block that disappears comprises switching tube V1, switching tube V2, current-limiting resistance, elementary and the collector electrode of switching tube V1 of described pulse transformer is connected, the emitter of described switching tube V1 is connected with the collector electrode of switching tube V2, and the emitter of switching tube V1 is by current-limiting resistance R1 ground connection.Switching tube V1, switching tube V2 all adopt triode or insulated gate bipolar transistor or field effect transistor, or other semiconductor switch.The operation principle of embodiment bis-is identical with embodiment mono-, just less to the current requirements of switching tube V1 in circuit.
By reference to the accompanying drawings the present invention is exemplarily described above; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as the various improvement that adopted technical scheme of the present invention to carry out, or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (5)
1. the elimination pulse of pulse transformer top rushes a circuit, it is characterized in that: the pulse top die block that disappears that comprises pulse transformer and be connected with pulse transformer.
2. the elimination pulse of a kind of pulse transformer according to claim 1 top rushes circuit, it is characterized in that: the described pulse top die block that disappears comprises switching tube V1, switching tube V2, current-limiting resistance R1, the elementary of described pulse transformer is connected with the collector electrode of switching tube V1, switching tube V2 respectively, described switching tube V2 emitting stage ground connection, the emitting stage of described switching tube V1 is by current-limiting resistance R1 ground connection.
3. the elimination pulse of a kind of pulse transformer according to claim 2 top rushes circuit, it is characterized in that: described switching tube V1, switching tube V2 all adopt triode or insulated gate bipolar transistor or field effect transistor.
4. the elimination pulse of a kind of pulse transformer according to claim 1 top rushes circuit, it is characterized in that: the described pulse top die block that disappears comprises switching tube V1, switching tube V2, current-limiting resistance, elementary and the collector electrode of switching tube V1 of described pulse transformer is connected, the emitter of described switching tube V1 is connected with the collector electrode of switching tube V2, and the emitter of switching tube V1 is by current-limiting resistance R1 ground connection.
5. the elimination pulse of a kind of pulse transformer according to claim 4 top rushes circuit, it is characterized in that: described switching tube V1, switching tube V2 all adopt triode or insulated gate bipolar transistor or field effect transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750780.7A CN103746542A (en) | 2013-12-31 | 2013-12-31 | Circuit for eliminating pulse impacting of pulse transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750780.7A CN103746542A (en) | 2013-12-31 | 2013-12-31 | Circuit for eliminating pulse impacting of pulse transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103746542A true CN103746542A (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310750780.7A Pending CN103746542A (en) | 2013-12-31 | 2013-12-31 | Circuit for eliminating pulse impacting of pulse transformer |
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| CN (1) | CN103746542A (en) |
Citations (10)
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| CN1431747A (en) * | 2002-01-08 | 2003-07-23 | 台达电子工业股份有限公司 | Circuit for restraining surge current |
| JP2011083043A (en) * | 2009-10-02 | 2011-04-21 | Yamaha Corp | Power supply voltage control circuit |
| CN102137772A (en) * | 2008-09-01 | 2011-07-27 | 株式会社Lg化学 | Apparatus and method for controlling a switch unit between battery pack and a load, and battery pack and battery management apparatus including the apparatus |
| CN102611108A (en) * | 2012-03-09 | 2012-07-25 | 湖南大学 | Three-level three-phase four-wire active power filter and control method thereof |
| CN102709942A (en) * | 2012-05-23 | 2012-10-03 | 中国电力科学研究院 | Wind power station LVRT (low voltage ride through) device and control method thereof |
| CN102891617A (en) * | 2011-07-18 | 2013-01-23 | 清华大学 | Passive voltage-equalizing control circuit |
| CN102983735A (en) * | 2012-12-21 | 2013-03-20 | 山东大学 | Pre-charge system and method for capacitor of modular multi-level matrix converter |
| CN103124095A (en) * | 2013-02-06 | 2013-05-29 | 锦州海伯伦汽车电子有限公司 | Fitness generator car electrical system and power supply method thereof |
| CN103227557A (en) * | 2012-11-01 | 2013-07-31 | 东方日立(成都)电控设备有限公司 | Soft charging circuit and soft charging method for high-voltage high-power regulating system |
| CN203660866U (en) * | 2013-12-31 | 2014-06-18 | 芜湖国睿兆伏电子有限公司 | Pulse top rush elimination circuit of pulse transformer |
-
2013
- 2013-12-31 CN CN201310750780.7A patent/CN103746542A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1431747A (en) * | 2002-01-08 | 2003-07-23 | 台达电子工业股份有限公司 | Circuit for restraining surge current |
| CN102137772A (en) * | 2008-09-01 | 2011-07-27 | 株式会社Lg化学 | Apparatus and method for controlling a switch unit between battery pack and a load, and battery pack and battery management apparatus including the apparatus |
| JP2011083043A (en) * | 2009-10-02 | 2011-04-21 | Yamaha Corp | Power supply voltage control circuit |
| CN102891617A (en) * | 2011-07-18 | 2013-01-23 | 清华大学 | Passive voltage-equalizing control circuit |
| CN102611108A (en) * | 2012-03-09 | 2012-07-25 | 湖南大学 | Three-level three-phase four-wire active power filter and control method thereof |
| CN102709942A (en) * | 2012-05-23 | 2012-10-03 | 中国电力科学研究院 | Wind power station LVRT (low voltage ride through) device and control method thereof |
| CN103227557A (en) * | 2012-11-01 | 2013-07-31 | 东方日立(成都)电控设备有限公司 | Soft charging circuit and soft charging method for high-voltage high-power regulating system |
| CN102983735A (en) * | 2012-12-21 | 2013-03-20 | 山东大学 | Pre-charge system and method for capacitor of modular multi-level matrix converter |
| CN103124095A (en) * | 2013-02-06 | 2013-05-29 | 锦州海伯伦汽车电子有限公司 | Fitness generator car electrical system and power supply method thereof |
| CN203660866U (en) * | 2013-12-31 | 2014-06-18 | 芜湖国睿兆伏电子有限公司 | Pulse top rush elimination circuit of pulse transformer |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140423 |