JPH01142225U - - Google Patents
Info
- Publication number
- JPH01142225U JPH01142225U JP3739288U JP3739288U JPH01142225U JP H01142225 U JPH01142225 U JP H01142225U JP 3739288 U JP3739288 U JP 3739288U JP 3739288 U JP3739288 U JP 3739288U JP H01142225 U JPH01142225 U JP H01142225U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- wide range
- voltages
- power source
- voltage limiting
- 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
- Electronic Switches (AREA)
Description
第１図は本考案の広範囲電圧対応絶縁型スイツ
チング回路のブロツク図、第２図は、第１図にお
ける電圧制限回路、動作回路、駆動回路の詳細な
回路図、第３図はベース電流を供給する電源とし
て負荷駆動電源を使用する例を示す。第４図は従
来の負荷電流によりスイツチ操作をさせる場合の
図、第５図は従来の外部供給電源によりスイツチ
操作をさせる場合の図。
Figure 1 is a block diagram of the isolated switching circuit that supports a wide range of voltages according to the present invention. Figure 2 is a detailed circuit diagram of the voltage limiting circuit, operating circuit, and drive circuit in Figure 1. Figure 3 is a diagram showing the base current supply. An example in which a load driving power source is used as a power source is shown below. FIG. 4 is a diagram showing the case where the switch is operated using a conventional load current, and FIG. 5 is a diagram when the switch is operated using the conventional external power supply.
Claims (1)
保持するための電圧制限回路と、制御信号により
電圧制限回路からの電流をＯＮ、ＯＦＦする動作
回路と、前記動作回路からのＯＮ、ＯＦＦ出力に
基づいて負荷を駆動、停止する駆動回路と、を具
備することを特徴とした広範囲電圧対応絶縁型ス
イツチング回路。 (2) ベース電流を供給する電源として負荷駆動
電源を使用することを特徴とした請求項(1)項記
載の広範囲電圧対応絶縁型スイツチング回路。[Claims for Utility Model Registration] (1) A voltage limiting circuit for maintaining a wide range of externally supplied power supply voltages at a constant level, an operating circuit that turns on and off current from the voltage limiting circuit according to a control signal, and the operation described above. An isolated switching circuit compatible with a wide range of voltages, comprising a drive circuit that drives and stops a load based on ON and OFF outputs from the circuit. (2) The isolated switching circuit compatible with a wide range of voltages according to claim (1), characterized in that a load driving power source is used as the power source for supplying the base current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3739288U JPH01142225U (en) | 1988-03-22 | 1988-03-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3739288U JPH01142225U (en) | 1988-03-22 | 1988-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01142225U true JPH01142225U (en) | 1989-09-29 |
Family
ID=31263973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3739288U Pending JPH01142225U (en) | 1988-03-22 | 1988-03-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01142225U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS566531A (en) * | 1979-06-28 | 1981-01-23 | Jieru Syst:Kk | Solid-state relay |
-
1988
- 1988-03-22 JP JP3739288U patent/JPH01142225U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS566531A (en) * | 1979-06-28 | 1981-01-23 | Jieru Syst:Kk | Solid-state relay |
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