JPH0421135U - - Google Patents
Info
- Publication number
- JPH0421135U JPH0421135U JP6313290U JP6313290U JPH0421135U JP H0421135 U JPH0421135 U JP H0421135U JP 6313290 U JP6313290 U JP 6313290U JP 6313290 U JP6313290 U JP 6313290U JP H0421135 U JPH0421135 U JP H0421135U
- Authority
- JP
- Japan
- Prior art keywords
- calculating
- electrical equipment
- calculating means
- gas
- gas sensor
- 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
Landscapes
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Fire-Detection Mechanisms (AREA)
- Emergency Alarm Devices (AREA)
- Fire Alarms (AREA)
Description
第１図はこの考案の実施例を示すブロツク線図
、第２図はガスセンサの回路図である。
１……ガスセンサ、３……電圧−抵抗変換器、４
，５，１２……メモリー、６〜８……タイマー、
９，１３……演算回路、１０，１４……判定回路
、Ｈ０……周辺のガスに関する演算値。
FIG. 1 is a block diagram showing an embodiment of this invention, and FIG. 2 is a circuit diagram of a gas sensor. 1... Gas sensor, 3... Voltage-resistance converter, 4
, 5, 12...Memory, 6-8...Timer,
9, 13...Arithmetic circuit, 10,14...Determination circuit, H0 ...Arithmetic value regarding surrounding gas.
Claims (1)
するガスセンサと、 前記ガスセンサからの出力と、前記ガスの不発
生時における前記ガスセンサの出力との比を、所
定の時間間隔に演算する第１の演算手段と、 異常過熱の発生によつて前記演算手段による演
算値が一定値を超えて変化するのを判定する第２
の判定手段と、 前記第１の演算手段による演算値が一定値を超
えて変化している状態が一定時間継続したとき、
対象の電気機器の周辺のガスを検出するガスセン
サの出力と周辺のガスの不発生時における前記ガ
スセンサの出力との比を演算する第２の演算手段
と、 前記第２の演算手段による演算値が一定値を超
えて変化したことを判定したとき、異常過熱状態
の発生を意味する信号を出す第２の判定手段とを
備えた 電気設備用過熱監視装置。[Claims for Utility Model Registration] A gas sensor that detects gas released when electrical equipment is abnormally overheated; a first calculating means for calculating at intervals; and a second calculating means for determining whether the calculated value by the calculating means changes beyond a certain value due to the occurrence of abnormal overheating.
and when the state in which the calculated value by the first calculating means continues to change beyond a certain value for a certain period of time,
a second calculation means for calculating a ratio between the output of a gas sensor that detects gas around the target electrical equipment and the output of the gas sensor when no surrounding gas is generated; and a calculation value by the second calculation means is An overheat monitoring device for electrical equipment, comprising: second determining means that outputs a signal indicating the occurrence of an abnormal overheating state when determining that the temperature has changed beyond a certain value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6313290U JP2511339Y2 (en) | 1990-06-14 | 1990-06-14 | Overheat monitoring device for electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6313290U JP2511339Y2 (en) | 1990-06-14 | 1990-06-14 | Overheat monitoring device for electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0421135U true JPH0421135U (en) | 1992-02-21 |
| JP2511339Y2 JP2511339Y2 (en) | 1996-09-25 |
Family
ID=31592910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6313290U Expired - Fee Related JP2511339Y2 (en) | 1990-06-14 | 1990-06-14 | Overheat monitoring device for electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2511339Y2 (en) |
-
1990
- 1990-06-14 JP JP6313290U patent/JP2511339Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2511339Y2 (en) | 1996-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS61193037A (en) | Electronic clinical thermometer | |
| EP1485652B8 (en) | System and method of monitoring an electric range | |
| WO2019095740A1 (en) | Control method for smart power module, device, storage medium and processor | |
| JPH0421135U (en) | ||
| JPH04241835A (en) | Skin potential detector | |
| JP3023965B2 (en) | Overheat monitoring device for electrical equipment | |
| JPS5951317A (en) | Electronic clinical thermometer | |
| JPS62198435U (en) | ||
| JPH047379U (en) | ||
| JPH064308Y2 (en) | Semiconductor pressure sensor | |
| JPS599357Y2 (en) | gas leak alarm | |
| JPH0370697U (en) | ||
| JP3603339B2 (en) | Condensation detector | |
| JPS62212534A (en) | Estimation type electronic clinical thermometer | |
| JPH0723536Y2 (en) | Radiator cooling fan control device for engine cooling device | |
| JPS644067Y2 (en) | ||
| JPS58123281U (en) | ice making control circuit | |
| JPS638634U (en) | ||
| JPS6262937U (en) | ||
| JPS61164426U (en) | ||
| JPH0453521U (en) | ||
| JPH0299769A (en) | Engine ignitor | |
| JPH0447393U (en) | ||
| JPS62166593U (en) | ||
| JPH0263145U (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |