JPS59134074U - voltage detection circuit - Google Patents
voltage detection circuitInfo
- Publication number
- JPS59134074U JPS59134074U JP2667883U JP2667883U JPS59134074U JP S59134074 U JPS59134074 U JP S59134074U JP 2667883 U JP2667883 U JP 2667883U JP 2667883 U JP2667883 U JP 2667883U JP S59134074 U JPS59134074 U JP S59134074U
- Authority
- JP
- Japan
- Prior art keywords
- voltage detection
- detection circuit
- photocoupler
- circuit
- thermistor
- 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
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (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図は従来の電圧検出回路を示す回路図、第２図はこ
の考案の一実施例による電圧検出回路を示す回路図であ
る。
図において、１は抵抗、２はフォトカプラー、３は電源
、４は可変抵抗、５．６は抵抗、７は比較器、８はサー
ミスタである。なお同一符号は同一または相当部分を示
している。FIG. 1 is a circuit diagram showing a conventional voltage detection circuit, and FIG. 2 is a circuit diagram showing a voltage detection circuit according to an embodiment of the invention. In the figure, 1 is a resistor, 2 is a photocoupler, 3 is a power supply, 4 is a variable resistor, 5.6 is a resistor, 7 is a comparator, and 8 is a thermistor. Note that the same reference numerals indicate the same or equivalent parts.
Claims (2)
る上記制御回路に設けられ、主回路電圧を検出する電圧
検出回路において、絶縁のためのフォトカプラーに、こ
のフォトカプラーの電流伝達比を相殺するためのサーミ
スタが組合わされることを特徴とする電圧検出回路。(1) In a voltage detection circuit that is provided in the control circuit and detects the main circuit voltage in a control device consisting of a control circuit and a main circuit, a photocoupler for insulation cancels the current transfer ratio of this photocoupler. A voltage detection circuit characterized in that it is combined with a thermistor for.
ミスタはこの比較器の基準電圧側に接続されることを特
徴とする実用新案登録請求の範囲第１項に記載の電圧検
出回路。(2) The voltage detection circuit according to claim 1, wherein a comparator is connected after the photocoupler, and the thermistor is connected to the reference voltage side of the comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2667883U JPS59134074U (en) | 1983-02-25 | 1983-02-25 | voltage detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2667883U JPS59134074U (en) | 1983-02-25 | 1983-02-25 | voltage detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59134074U true JPS59134074U (en) | 1984-09-07 |
Family
ID=30157587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2667883U Pending JPS59134074U (en) | 1983-02-25 | 1983-02-25 | voltage detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59134074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02284072A (en) * | 1989-03-01 | 1990-11-21 | Raytheon Co | Radio frequency energy detecting circuit |
-
1983
- 1983-02-25 JP JP2667883U patent/JPS59134074U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02284072A (en) * | 1989-03-01 | 1990-11-21 | Raytheon Co | Radio frequency energy detecting circuit |
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