JPH0439089U - - Google Patents
Info
- Publication number
- JPH0439089U JPH0439089U JP7928190U JP7928190U JPH0439089U JP H0439089 U JPH0439089 U JP H0439089U JP 7928190 U JP7928190 U JP 7928190U JP 7928190 U JP7928190 U JP 7928190U JP H0439089 U JPH0439089 U JP H0439089U
- Authority
- JP
- Japan
- Prior art keywords
- input
- power supply
- switching power
- receiving terminal
- bridge diode
- 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
Landscapes
- Rectifiers (AREA)
Description
第１図は本考案に係るスイツチング電源回路の
一実施例を示す構成図、第２図は本考案の他の実
施例を示す構成図、第３図は従来の切換形スイツ
チング電源回路の一例を示す構成図である。
１……整流ブリツジダイオード、２，３……平
滑コンデンサ、４……スイツチング電源、５……
受電端子板、Ａ，Ｂ，Ｃ……電源入力端子、ａ，
ｂ，ｃ及びａ′，ｂ′，ｃ′……各電源入力端子
Ａ，Ｂ，Ｃに対応する入力ＡＣケーブル端子。
Fig. 1 is a block diagram showing one embodiment of a switching power supply circuit according to the present invention, Fig. 2 is a block diagram showing another embodiment of the present invention, and Fig. 3 is an example of a conventional switching power supply circuit. FIG. 1... Rectifier bridge diode, 2, 3... Smoothing capacitor, 4... Switching power supply, 5...
Power receiving terminal board, A, B, C...Power input terminal, a,
b, c and a', b', c'... Input AC cable terminals corresponding to each power input terminal A, B, C.
Claims (1)
ツジダイオードの２つの交流入力端子と、前記整
流ブリツジダイオードの正負出力端子間に直列に
接続した２つの平滑コンデンサの中点を第３の入
力端子として入力受電端子板またはコネクタに接
続し、ＡＣ入力スイツチング電源の入力コネクタ
ケーブルまたは受電端子板への配線を２通りのパ
ターンに選ぶことにより、倍電圧整流モードと直
接整流モードに切換えるように構成したことを特
徴とするスイツチング電源回路。 In an AC input switching power supply, the middle point of two smoothing capacitors connected in series between the two AC input terminals of a rectifying bridge diode and the positive and negative output terminals of the rectifying bridge diode is used as an input power receiving terminal as a third input terminal. It is characterized by being configured so that it can be switched between voltage doubler rectification mode and direct rectification mode by connecting to the board or connector and selecting two patterns for the input connector cable of the AC input switching power supply or the wiring to the power receiving terminal board. Switching power supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7928190U JPH0439089U (en) | 1990-07-27 | 1990-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7928190U JPH0439089U (en) | 1990-07-27 | 1990-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0439089U true JPH0439089U (en) | 1992-04-02 |
Family
ID=31623300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7928190U Pending JPH0439089U (en) | 1990-07-27 | 1990-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0439089U (en) |
-
1990
- 1990-07-27 JP JP7928190U patent/JPH0439089U/ja active Pending
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