JPH0451673U - - Google Patents
Info
- Publication number
- JPH0451673U JPH0451673U JP9431990U JP9431990U JPH0451673U JP H0451673 U JPH0451673 U JP H0451673U JP 9431990 U JP9431990 U JP 9431990U JP 9431990 U JP9431990 U JP 9431990U JP H0451673 U JPH0451673 U JP H0451673U
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- electromagnetic waves
- alarm signal
- performs
- tuning amplifier
- 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.)
- Granted
Links
- 238000009413 insulation Methods 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Testing Relating To Insulation (AREA)
Description
第１図はこの考案の一実施例の絶縁監視装置の
ブロツク図、第２図はタイマを設けた理由を説明
するための図、第３図は従来例の絶縁監視装置の
ブロツク図である。
２……アンテナ、３……チユーニングアンプ、
４……判定ユニツト、５……タイマ。
FIG. 1 is a block diagram of an insulation monitoring device according to an embodiment of this invention, FIG. 2 is a diagram for explaining the reason for providing a timer, and FIG. 3 is a block diagram of a conventional insulation monitoring device. 2...Antenna, 3...Tuning amplifier,
4... Judgment unit, 5... Timer.
Claims (1)
磁波を検出するアンテナと、このアンテナで検出
された前記電磁波を一部の帯域を除く狭帯域検波
を行うチユーニングアンプと、このチユーニング
アンプの出力の判定を行い異常であれば警報信号
を発生する判定ユニツトと、前記警報信号に基づ
いて深夜の一定時間帯に警報出力を出すタイマと
を備えた絶縁監視装置。 An antenna that detects broadband electromagnetic waves that are generated secondarily when partial discharge occurs, a tuning amplifier that performs narrowband detection excluding some bands of the electromagnetic waves detected by this antenna, and an output of this tuning amplifier. 1. An insulation monitoring device comprising: a determination unit that performs a determination and generates an alarm signal if an abnormality occurs; and a timer that outputs an alarm at a certain time in the middle of the night based on the alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9431990U JPH089650Y2 (en) | 1990-09-06 | 1990-09-06 | Insulation monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9431990U JPH089650Y2 (en) | 1990-09-06 | 1990-09-06 | Insulation monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0451673U true JPH0451673U (en) | 1992-04-30 |
| JPH089650Y2 JPH089650Y2 (en) | 1996-03-21 |
Family
ID=31832181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9431990U Expired - Fee Related JPH089650Y2 (en) | 1990-09-06 | 1990-09-06 | Insulation monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH089650Y2 (en) |
-
1990
- 1990-09-06 JP JP9431990U patent/JPH089650Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH089650Y2 (en) | 1996-03-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |