JPH0249381U - - Google Patents
Info
- Publication number
- JPH0249381U JPH0249381U JP12867588U JP12867588U JPH0249381U JP H0249381 U JPH0249381 U JP H0249381U JP 12867588 U JP12867588 U JP 12867588U JP 12867588 U JP12867588 U JP 12867588U JP H0249381 U JPH0249381 U JP H0249381U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- circuit
- low voltage
- supply circuit
- voltage
- 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)
- Control Of Voltage And Current In General (AREA)
Description
第１図はこの考案に係る電源回路の一実施例を
示す回路図、第２図は第１図の実施例を詳細に説
明する特性図、第３図は従来の電源回路を示す回
路図、第４図は第３図の回路の特性を説明する特
性図である。
１……電源トランス、ＬＡ，ＬＢ……二次巻線
、２……低圧用電源供給回路、３……高圧用電源
供給回路、Ｄ１，Ｄ２……ダイオード、Ｃ１，Ｃ
２……コンデンサ、Ａ……三端子レギユレータＡ
、Ｂ……三端子レギユレータＢ、Ｄ３……ダイオ
ード。
FIG. 1 is a circuit diagram showing an embodiment of the power supply circuit according to this invention, FIG. 2 is a characteristic diagram explaining the embodiment of FIG. 1 in detail, and FIG. 3 is a circuit diagram showing a conventional power supply circuit. FIG. 4 is a characteristic diagram illustrating the characteristics of the circuit shown in FIG. 3. 1...Power transformer, LA, LB...Secondary winding, 2...Low voltage power supply circuit, 3...High voltage power supply circuit, D1, D2...Diode, C1, C
2... Capacitor, A... Three terminal regulator A
, B...three-terminal regulator B, D3... diode.
Claims (1)
安定化回路から成る一系統の電源供給回路を、低
圧用及びこれより高い電圧を供給する高圧用とし
て少なくとも二系統を有する電源回路において、 高圧用電源供給回路における前記安定化回路の
出力端と、低圧用電源供給回路における前記整流
回路の出力端との間に、アノードを前記安定化回
路側に、カソードを整流回路側に向け商用交流電
源の低電圧時に導通するダイオードを接続し、前
記低圧用電源回路における前記二次巻線の巻数を
、商用交流電源の標準電圧付近において必要な前
記低電圧が得られる巻数より少なくしたことを特
徴とする電源回路。[Claims for Utility Model Registration] One power supply circuit consisting of a power transformer, its secondary winding, a rectifier circuit and a stabilizing circuit, and at least two power supply circuits, one for low voltage and one for high voltage supplying higher voltage. In the power supply circuit, the anode is placed on the stabilization circuit side and the cathode is placed on the rectification circuit side between the output end of the stabilization circuit in the high voltage power supply circuit and the output end of the rectification circuit in the low voltage power supply circuit. Connect a diode that conducts at low voltage of the commercial AC power supply toward the side, and set the number of turns of the secondary winding in the low voltage power supply circuit to the number of turns that can obtain the necessary low voltage near the standard voltage of the commercial AC power supply. A power supply circuit characterized by a reduced number of
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12867588U JPH0249381U (en) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12867588U JPH0249381U (en) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0249381U true JPH0249381U (en) | 1990-04-05 |
Family
ID=31382237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12867588U Pending JPH0249381U (en) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0249381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013520153A (en) * | 2010-02-18 | 2013-05-30 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Reduced power loss power system, electronic device and controller |
-
1988
- 1988-09-30 JP JP12867588U patent/JPH0249381U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013520153A (en) * | 2010-02-18 | 2013-05-30 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Reduced power loss power system, electronic device and controller |