JPS61199678U - - Google Patents
Info
- Publication number
- JPS61199678U JPS61199678U JP8412385U JP8412385U JPS61199678U JP S61199678 U JPS61199678 U JP S61199678U JP 8412385 U JP8412385 U JP 8412385U JP 8412385 U JP8412385 U JP 8412385U JP S61199678 U JPS61199678 U JP S61199678U
- Authority
- JP
- Japan
- Prior art keywords
- thermistor
- secondary coil
- current
- detected
- utility
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図は基本電気回路図である。第２図は本考
案を実施した過電流検知器の電気回路図である。
１，２……交流入力端子、３，４……交流出力
端子、５……モーター、６……変流器、７……１
次側コイル、８……２次側コイル、９……サーミ
スター、１０……整流器、１１……調整用抵抗、
１２……フオトカプラ。
FIG. 1 is a basic electrical circuit diagram. FIG. 2 is an electrical circuit diagram of an overcurrent detector implementing the present invention. 1, 2... AC input terminal, 3, 4... AC output terminal, 5... Motor, 6... Current transformer, 7... 1
Next coil, 8... Secondary coil, 9... Thermistor, 10... Rectifier, 11... Adjustment resistor,
12...Photocoupler.
Claims (1)
接続、この２次側コイル８の電流増加によつて発
熱したサーミスター９の固有抵抗値の変化で発生
する電圧を検出して検知する過電流検知器。 A thermistor 9 is connected to the secondary coil 8 of the current transformer 6, and the voltage generated due to a change in the specific resistance of the thermistor 9 that generates heat due to the increase in current in the secondary coil 8 is detected. Overcurrent detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8412385U JPS61199678U (en) | 1985-06-04 | 1985-06-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8412385U JPS61199678U (en) | 1985-06-04 | 1985-06-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61199678U true JPS61199678U (en) | 1986-12-13 |
Family
ID=30633356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8412385U Pending JPS61199678U (en) | 1985-06-04 | 1985-06-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61199678U (en) |
-
1985
- 1985-06-04 JP JP8412385U patent/JPS61199678U/ja active Pending