JPH03106877U - - Google Patents
Info
- Publication number
- JPH03106877U JPH03106877U JP1343190U JP1343190U JPH03106877U JP H03106877 U JPH03106877 U JP H03106877U JP 1343190 U JP1343190 U JP 1343190U JP 1343190 U JP1343190 U JP 1343190U JP H03106877 U JPH03106877 U JP H03106877U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- capacitor
- boost reactor
- inverter circuit
- circuit connected
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000009499 grossing Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案の第１の実施例のスイツチング
電源装置を示す回路図、第２図は第２の実施例の
スイツチング電源装置を示す回路図、第３図は従
来のスイツチング電源装置を示す回路図である。
１……電源、２……リアクトル、３……インバ
ータ回路、４……整流平滑回路、９……ダイオー
ド、１０……コンデンサ、１１……補助電源回路
。
FIG. 1 is a circuit diagram showing a switching power supply device according to a first embodiment of the present invention, FIG. 2 is a circuit diagram showing a switching power supply device according to a second embodiment, and FIG. 3 is a circuit diagram showing a conventional switching power supply device. It is a circuit diagram. 1... Power source, 2... Reactor, 3... Inverter circuit, 4... Rectifying and smoothing circuit, 9... Diode, 10... Capacitor, 11... Auxiliary power supply circuit.
Claims (1)
リアクトルと、 前記昇圧用リアクトルと前記直流電源の他端と
の間に接続され且つ少なくとも２つのスイツチン
グ素子とトランスとを含んでいるインバータ回路
と、 前記インバータ回路に接続された整流平滑回路
と、 一端が前記昇圧用リアクトルの他端に接続され
、他端が前記直流電源の他端に接続されたコンデ
ンサと、 前記コンデンサに直列に接続された逆流阻止用
ダイオードと、 前記コンデンサに並列に接続された補助電源回
路と を備えていることを特徴とする昇圧型のスイツチ
ング電源装置。[Claims for Utility Model Registration] A DC power supply for supplying DC voltage, a boost reactor whose one end is connected to one end of the DC power supply, and between the boost reactor and the other end of the DC power supply. an inverter circuit connected to each other and including at least two switching elements and a transformer; a rectifier and smoothing circuit connected to the inverter circuit; one end connected to the other end of the boost reactor, and the other end connected to the DC power supply; A step-up switching power supply comprising: a capacitor connected to the other end; a reverse current blocking diode connected in series to the capacitor; and an auxiliary power supply circuit connected in parallel to the capacitor. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990013431U JPH083196Y2 (en) | 1990-02-14 | 1990-02-14 | Switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990013431U JPH083196Y2 (en) | 1990-02-14 | 1990-02-14 | Switching power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03106877U true JPH03106877U (en) | 1991-11-05 |
| JPH083196Y2 JPH083196Y2 (en) | 1996-01-29 |
Family
ID=31516844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990013431U Expired - Lifetime JPH083196Y2 (en) | 1990-02-14 | 1990-02-14 | Switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH083196Y2 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51130421U (en) * | 1975-04-15 | 1976-10-21 | ||
| JPS5383015A (en) * | 1976-12-29 | 1978-07-22 | Densetsu Kiki Kogyo Kk | Converter |
| JPS5720790A (en) * | 1980-07-14 | 1982-02-03 | Nippon Musical Instruments Mfg | Electronic musical instrument |
| JPS57148577A (en) * | 1981-02-27 | 1982-09-13 | Litton Systems Inc | Dc/dc converter |
| JPS6298484U (en) * | 1985-12-09 | 1987-06-23 |
-
1990
- 1990-02-14 JP JP1990013431U patent/JPH083196Y2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51130421U (en) * | 1975-04-15 | 1976-10-21 | ||
| JPS5383015A (en) * | 1976-12-29 | 1978-07-22 | Densetsu Kiki Kogyo Kk | Converter |
| JPS5720790A (en) * | 1980-07-14 | 1982-02-03 | Nippon Musical Instruments Mfg | Electronic musical instrument |
| JPS57148577A (en) * | 1981-02-27 | 1982-09-13 | Litton Systems Inc | Dc/dc converter |
| JPS6298484U (en) * | 1985-12-09 | 1987-06-23 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH083196Y2 (en) | 1996-01-29 |