JPH02133675U - - Google Patents
Info
- Publication number
- JPH02133675U JPH02133675U JP4271489U JP4271489U JPH02133675U JP H02133675 U JPH02133675 U JP H02133675U JP 4271489 U JP4271489 U JP 4271489U JP 4271489 U JP4271489 U JP 4271489U JP H02133675 U JPH02133675 U JP H02133675U
- Authority
- JP
- Japan
- Prior art keywords
- value
- voltage
- comparator
- insulation
- setting
- 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
- 238000009413 insulation Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
Description
図は本考案に係る装置の一実施例の接続図であ
る。
１１……直流高電圧発生回路、２０……被測定
絶縁抵抗体、３３……アナログ・デイジタル変換
器、３４……表示器、４３……デイジタル・アナ
ログ変換器、４４……コンパレータ設定用スイツ
チ、４５……マイクロ・プロセツサ、５０……コ
ンパレータ、５１……ブザー。
The figure is a connection diagram of an embodiment of the device according to the present invention. DESCRIPTION OF SYMBOLS 11... DC high voltage generation circuit, 20... Insulated resistor to be measured, 33... Analog/digital converter, 34... Display, 43... Digital/analog converter, 44... Comparator setting switch, 45...Micro processor, 50...Comparator, 51...Buzzer.
Claims (1)
の値に応じた電圧が入力されこれを表示する表示
器、コンパレータ設定用のスイツチの設定入力が
与えられてこれをデイジタル値に変換するマイク
ロプロセツサ、及びこのマイクロプロセツサの出
力をアナログ信号に変換することによつて得られ
る基準電圧と前記絶縁抵抗体の値に応じた電圧と
を比較するコンパレータを具備した絶縁抵抗計。 A display that inputs and displays a voltage corresponding to the value of the insulation resistor being measured to which a high DC voltage is applied, and a microcontroller that receives the setting input of a switch for setting a comparator and converts it into a digital value. An insulation resistance meter comprising a processor and a comparator for comparing a reference voltage obtained by converting the output of the microprocessor into an analog signal and a voltage according to the value of the insulation resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4271489U JPH02133675U (en) | 1989-04-12 | 1989-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4271489U JPH02133675U (en) | 1989-04-12 | 1989-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02133675U true JPH02133675U (en) | 1990-11-06 |
Family
ID=31554500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4271489U Pending JPH02133675U (en) | 1989-04-12 | 1989-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02133675U (en) |
-
1989
- 1989-04-12 JP JP4271489U patent/JPH02133675U/ja active Pending