JPS58131133U - Open phase detection device - Google Patents
Open phase detection deviceInfo
- Publication number
- JPS58131133U JPS58131133U JP2409182U JP2409182U JPS58131133U JP S58131133 U JPS58131133 U JP S58131133U JP 2409182 U JP2409182 U JP 2409182U JP 2409182 U JP2409182 U JP 2409182U JP S58131133 U JPS58131133 U JP S58131133U
- Authority
- JP
- Japan
- Prior art keywords
- light
- parallel
- phase
- series
- detection device
- 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
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
曲面は本考案の一実施例を示し、第１図は制御回路図、
第２図は警報回路の詳細図である。
１・・・計器用変流器、２．３・・・分圧抵抗器、４・
・・ツェナー・ダイオード、５・・・フォトカプラ、６
・・・発光素子、？、 ８． ９． １０． １１．
１２・・・受光素子、１３．１４・・・補助継電器、
１５・・・電源、１６・・・ダイオード、１７−抵抗器
、１８・・・コンデンサ。The curved surface shows an embodiment of the present invention, and FIG. 1 is a control circuit diagram;
FIG. 2 is a detailed diagram of the alarm circuit. 1...Measurement current transformer, 2.3...Voltage dividing resistor, 4.
...Zener diode, 5...Photocoupler, 6
...Light emitting element? , 8. 9. 10. 11.
12... Light receiving element, 13.14... Auxiliary relay,
15-power supply, 16-diode, 17-resistor, 18-capacitor.
Claims (1)
用変流器の２次回路にそれぞれに分圧抵抗器を介して２
個並列に接続されたフォトカプラの発光素子と、前記２
個並列に接続された一方の発光素子に対向して設けられ
直列接続された各相の受光素子と、−前記並列に接続さ
れた他方の発光素子に対向して設けられ並列接続された
各相の受光素子と、前記直列接続された受光素子に直列
に電源に接続された補助継電器及び前記並列接続された
受光素子に直列に接続された補助継電器とを具備し、前
記補助継電器の接続点を論理積、及び論理和条件の否定
条件に組替えて出力することを特徴とした欠相検出装置
。The current transformer for each phase of the power supply line and the secondary circuit of the current transformer for each phase are connected to each other via a voltage dividing resistor.
The light emitting elements of the photocouplers connected in parallel, and the two
A light-receiving element for each phase connected in series and facing one of the light-emitting elements connected in parallel; - a light-receiving element for each phase connected in parallel and facing the other light-emitting element connected in parallel; a light receiving element, an auxiliary relay connected to a power supply in series with the series-connected light receiving elements, and an auxiliary relay connected in series with the parallel-connected light receiving elements, and a connection point of the auxiliary relay is provided. An open phase detection device characterized by outputting a logical product and a negative condition of a logical sum condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2409182U JPS58131133U (en) | 1982-02-24 | 1982-02-24 | Open phase detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2409182U JPS58131133U (en) | 1982-02-24 | 1982-02-24 | Open phase detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58131133U true JPS58131133U (en) | 1983-09-05 |
Family
ID=30036099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2409182U Pending JPS58131133U (en) | 1982-02-24 | 1982-02-24 | Open phase detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58131133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016213949A (en) * | 2015-05-07 | 2016-12-15 | 株式会社Ｙｕｔａｋａ | Detection device |
-
1982
- 1982-02-24 JP JP2409182U patent/JPS58131133U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016213949A (en) * | 2015-05-07 | 2016-12-15 | 株式会社Ｙｕｔａｋａ | Detection device |
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