JPH01116587U - - Google Patents
Info
- Publication number
- JPH01116587U JPH01116587U JP1042988U JP1042988U JPH01116587U JP H01116587 U JPH01116587 U JP H01116587U JP 1042988 U JP1042988 U JP 1042988U JP 1042988 U JP1042988 U JP 1042988U JP H01116587 U JPH01116587 U JP H01116587U
- Authority
- JP
- Japan
- Prior art keywords
- switching element
- diode
- power supply
- switching
- cathode
- 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図はこの考案の一実施例であるスイツチン
グ電源そうたの回路構成図、第２図は第１図のス
イツチング素子の電圧と電流の波形を示す図、第
３図は従来のスイツチング電源装置の回路構成図
、第４図は第３図のスイツチング素子の電圧と電
流の波形を示す図である。
図において、１は直流電源、２はトランスａ、
３は制御回路、４はスイツチング素子、５はスナ
バ回路用のダイオード、６はスナバ回路用のコン
デンサ、７はスナバ回路用の抵抗、８は整流回路
、９はトランスｂである。なお図中、同一符号は
同一または相当部分を示す。
Fig. 1 is a circuit diagram of a switching power supply device that is an embodiment of this invention, Fig. 2 is a diagram showing the voltage and current waveforms of the switching element shown in Fig. 1, and Fig. 3 is a diagram of a conventional switching power supply device. FIG. 4 is a diagram showing the voltage and current waveforms of the switching element shown in FIG. 3. In the figure, 1 is a DC power supply, 2 is a transformer a,
3 is a control circuit, 4 is a switching element, 5 is a diode for the snubber circuit, 6 is a capacitor for the snubber circuit, 7 is a resistor for the snubber circuit, 8 is a rectifier circuit, and 9 is a transformer b. In the drawings, the same reference numerals indicate the same or corresponding parts.
Claims (1)
を接続したダイオードと、このダイオードのカソ
ードとスイツチング素子の他端に接続したコンデ
ンサと、上記ダイオードのカソードと直流電源の
プラス側に接続した抵抗とから構成したスイツチ
ング電源装置において、上記ダイオードとコンデ
ンサの間に一次巻線を接続し、主トランスとスイ
ツチング素子の間に二次巻線を接続し、しかも一
次巻線によつて発生する二次巻線の電圧がスイツ
チング素子に流れる電流を阻止する極性となつて
いるトランスとから構成したことを特徴とするス
イツチング電源装置。 A switching device consisting of a diode whose anode is connected between the main transformer and the switching element, a capacitor connected to the cathode of this diode and the other end of the switching element, and a resistor connected to the cathode of the diode and the positive side of the DC power supply. In a power supply device, a primary winding is connected between the diode and the capacitor, a secondary winding is connected between the main transformer and the switching element, and the voltage of the secondary winding generated by the primary winding is A switching power supply device comprising a transformer having a polarity that blocks current flowing through a switching element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1042988U JPH01116587U (en) | 1988-01-28 | 1988-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1042988U JPH01116587U (en) | 1988-01-28 | 1988-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01116587U true JPH01116587U (en) | 1989-08-07 |
Family
ID=31218084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1042988U Pending JPH01116587U (en) | 1988-01-28 | 1988-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01116587U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8848295B2 (en) | 2009-10-06 | 2014-09-30 | Duke University | Gradient index lenses and methods with zero spherical aberration |
-
1988
- 1988-01-28 JP JP1042988U patent/JPH01116587U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8848295B2 (en) | 2009-10-06 | 2014-09-30 | Duke University | Gradient index lenses and methods with zero spherical aberration |