JPS6089791U - power circuit - Google Patents
power circuitInfo
- Publication number
- JPS6089791U JPS6089791U JP18025483U JP18025483U JPS6089791U JP S6089791 U JPS6089791 U JP S6089791U JP 18025483 U JP18025483 U JP 18025483U JP 18025483 U JP18025483 U JP 18025483U JP S6089791 U JPS6089791 U JP S6089791U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- circuit
- overvoltage protection
- input
- power
- 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
- Protection Of Static Devices (AREA)
- Rectifiers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の電源回路の電気回路接続図、第２図は同
じ（そのブリッジ整流時の電気的等価回路図、第３図及
び第４図は同じく倍電圧整流時の電気的等価回路図、第
５図は本考案に係る電源回路の電気回路接続図、第６図
乃至第１０図は本考案に係る電源回路の別々の実施例に
おける各電気回路接続図である。 ゛
１．２．１１〜１３・・・・・・入力端子、３・・・・
・・ブリッジ整流回路、５・・・・・・切替スイッチ、
７，８・・・・・・出力端子、９・・・・・・過電圧保
護回路、１０・・・・・・遮断手段。Figure 1 is an electrical circuit connection diagram of a conventional power supply circuit, Figure 2 is the same (electrical equivalent circuit diagram when bridge rectification is used, and Figures 3 and 4 are electrical equivalent circuit diagrams when voltage doubler rectification is used). , FIG. 5 is an electric circuit connection diagram of the power supply circuit according to the present invention, and FIGS. 6 to 10 are electric circuit connection diagrams of different embodiments of the power supply circuit according to the present invention. ゛1.2. 11-13... Input terminal, 3...
...Bridge rectifier circuit, 5......Selector switch,
7, 8... Output terminal, 9... Overvoltage protection circuit, 10... Breaking means.
Claims (4)
力対象とし、一方の交流電源の入力時には倍電圧整流し
、他方の交流電源の入力時にはブリッジ整流し、前記電
圧値の異なる２種類の交流電源に対して、同一の出力端
子より略同−値の直流電圧を出力する電源回路において
、倍電圧整流時に電源ラインに接続される過電圧保護回
路と、該過電圧保護回路の過電圧保護動作に□
基づぎ電源入力を遮断する遮断手段とを備えることを特
徴とする電源回路。(1) At least two types of AC power sources with different voltage values are to be input, voltage double rectification is performed when one AC power source is input, bridge rectification is performed when the other AC power source is input, and two types of AC power sources with different voltage values are input. In a power supply circuit that outputs DC voltage of approximately the same value from the same output terminal to the power supply, the overvoltage protection circuit connected to the power supply line during voltage double rectification and the overvoltage protection operation of the overvoltage protection circuit are
1. A power supply circuit comprising a cutoff means for cutting off power input based on the power source.
実用新案登録請求の範囲第１項に記載の電源回路。(2) The power supply circuit according to claim 1, wherein the cutoff means is a fuse.
護機能とを併せ持つ素子を、前記電源ライン間に接続し
て成ることを特徴とする実用新案登録請求の範囲第１項
記載の電源回路。(3) The power supply circuit according to claim 1, wherein the overvoltage protection circuit is formed by connecting an element having both an overvoltage detection function and an overvoltage protection function between the power supply lines.
圧検出回路からの検出信号に基づいて前記電源ライン間
を短絡するように動作する保護回路とを備えて成ること
を特徴とする実用新案登録請求の範囲第１項に記載の電
源回路。(4) The overvoltage protection circuit includes an overvoltage detection circuit and a protection circuit that operates to short-circuit the power supply lines based on a detection signal from the overvoltage detection circuit. A power supply circuit according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18025483U JPS6089791U (en) | 1983-11-22 | 1983-11-22 | power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18025483U JPS6089791U (en) | 1983-11-22 | 1983-11-22 | power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6089791U true JPS6089791U (en) | 1985-06-19 |
Family
ID=30390882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18025483U Pending JPS6089791U (en) | 1983-11-22 | 1983-11-22 | power circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6089791U (en) |
-
1983
- 1983-11-22 JP JP18025483U patent/JPS6089791U/en active Pending
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