JPS6419173U - - Google Patents
Info
- Publication number
- JPS6419173U JPS6419173U JP11268487U JP11268487U JPS6419173U JP S6419173 U JPS6419173 U JP S6419173U JP 11268487 U JP11268487 U JP 11268487U JP 11268487 U JP11268487 U JP 11268487U JP S6419173 U JPS6419173 U JP S6419173U
- Authority
- JP
- Japan
- Prior art keywords
- heater
- auxiliary relay
- series
- auxiliary
- coil
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案による開閉装置のヒータ断線検
出装置の一実施例を示す回路図、第２図は本考案
の他の実施例を示す回路図である。
１……スイツチ、２……補助継電器のコイル、
３……補助継電器の限時接点、４……ヒータ、５
……制御抵抗、６……補助継電器の接点、７……
第２の補助継電器、８……第２の補助継電器の限
時接点。
FIG. 1 is a circuit diagram showing one embodiment of a heater disconnection detection device for a switchgear according to the present invention, and FIG. 2 is a circuit diagram showing another embodiment of the present invention. 1...Switch, 2...Auxiliary relay coil,
3... Time-limited contact of auxiliary relay, 4... Heater, 5
...Control resistance, 6...Auxiliary relay contact, 7...
Second auxiliary relay, 8... Time-limited contact of the second auxiliary relay.
Claims (1)
されると共に、補助継電器の接点と抵抗器とを直
列接続して成る接続単位が前記ヒータと並列に接
続されたことを特徴とする開閉装置のヒータ断線
検出装置。 (2) 補助継電器として、第１、第２の補助継電
器が使用され、第１の補助継電器のコイルとヒー
タとを直列接続して成る接続単位と第２の補助継
電器のコイルとが並列に接続されると共に、第２
の補助継電器の接点と抵抗器とを直列接続して成
る接続単位が前記ヒータと並列に接続された実用
新案登録請求の範囲第１項記載の開閉装置のヒー
タ断線検出装置。[Claims for Utility Model Registration] (1) A coil of an auxiliary relay is connected in series with a heater, and a connection unit consisting of a contact of the auxiliary relay and a resistor connected in series is connected in parallel with the heater. A heater disconnection detection device for a switchgear, characterized in that: (2) First and second auxiliary relays are used as auxiliary relays, and the connection unit formed by connecting the coil and heater of the first auxiliary relay in series and the coil of the second auxiliary relay are connected in parallel. The second
A heater disconnection detection device for a switchgear according to claim 1, wherein a connection unit formed by connecting a contact point of an auxiliary relay and a resistor in series is connected in parallel with the heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11268487U JPH0611493Y2 (en) | 1987-07-24 | 1987-07-24 | Heater disconnection detector for switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11268487U JPH0611493Y2 (en) | 1987-07-24 | 1987-07-24 | Heater disconnection detector for switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6419173U true JPS6419173U (en) | 1989-01-31 |
| JPH0611493Y2 JPH0611493Y2 (en) | 1994-03-23 |
Family
ID=31351846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11268487U Expired - Lifetime JPH0611493Y2 (en) | 1987-07-24 | 1987-07-24 | Heater disconnection detector for switchgear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0611493Y2 (en) |
-
1987
- 1987-07-24 JP JP11268487U patent/JPH0611493Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0611493Y2 (en) | 1994-03-23 |