JPS61162251U - - Google Patents
Info
- Publication number
- JPS61162251U JPS61162251U JP4709485U JP4709485U JPS61162251U JP S61162251 U JPS61162251 U JP S61162251U JP 4709485 U JP4709485 U JP 4709485U JP 4709485 U JP4709485 U JP 4709485U JP S61162251 U JPS61162251 U JP S61162251U
- Authority
- JP
- Japan
- Prior art keywords
- reed switch
- electromagnetic
- detection device
- coil
- normally open
- 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
- 238000001514 detection method Methods 0.000 claims description 13
- 235000014676 Phragmites communis Nutrition 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000009429 electrical wiring Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
第１図はこの考案の故障検出装置の一実施例を
示す電気結線図、第２図は従来の故障検出装置を
示す側断面図、第３図は故障検出装置が接続され
る一般的な電気回路図である。
図において、３ａ，３ｂ，３ｃ，３ｎは検出コ
イル、１１，１２は第１，第２のリードスイツチ
、１３は電磁装置、１４は第１の電磁コイル、１
４ａ１，１４ａ２は常開接点、１５は第１の表示
ランプ、１６は第２の電磁コイル、１６ａ１，１
６ａ２は常開接点、１７は第２の表示ランプであ
る。なお、各図中同一符号は同一もしくは相当部
分を示す。
Fig. 1 is an electrical wiring diagram showing one embodiment of the fault detection device of this invention, Fig. 2 is a side sectional view showing a conventional fault detection device, and Fig. 3 is a general electrical connection diagram to which the fault detection device is connected. It is a circuit diagram. In the figure, 3a, 3b, 3c, 3n are detection coils, 11, 12 are first and second reed switches, 13 is an electromagnetic device, 14 is a first electromagnetic coil, 1
4a 1 , 14a 2 are normally open contacts, 15 is a first indicator lamp, 16 is a second electromagnetic coil, 16a 1 , 1
6a2 is a normally open contact, and 17 is a second indicator lamp. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
出コイルに故障電流が流れた場合に付勢されるリ
ードスイツチ、及び前記リードスイツチの付勢時
に動作する電磁装置を備え、前記電磁装置の動作
状態によつて故障を検出するようにした故障検出
装置。 (2) 電磁装置は、リードスイツチに直列接続さ
れた電磁コイルと、前記リードスイツチに並列接
続された前記電磁コイルの自己保持用の常開接点
とからなる実用新案登録請求の範囲第(1)項記載
の故障検出装置。 (3) 電磁装置は、リードスイツチに直列接続さ
れた電磁コイルと、前記電磁コイルの励磁時に閉
成する表示用もしくは検出用の常開接点と、前記
常開接点に直列接続された検出装置とからなる実
用新案登録請求の範囲第(1)項記載の故障検出装
置。 (4) 検出コイルは、各相毎にそれぞれリードス
イツチに施されている実用新案登録請求の範囲第
(1)項ないし第(3)項の何れか一に記載の故障検出
装置。[Claims for Utility Model Registration] (1) A reed switch that is provided with a detection coil that allows a fault current to flow and is energized when the fault current flows through the detection coil, and an electromagnetic device that operates when the reed switch is energized. A failure detection device comprising: detecting a failure based on the operating state of the electromagnetic device. (2) The electromagnetic device consists of an electromagnetic coil connected in series to a reed switch and a normally open contact for self-holding of the electromagnetic coil connected in parallel to the reed switch. Failure detection device described in Section 1. (3) The electromagnetic device includes an electromagnetic coil connected in series to a reed switch, a normally open contact for display or detection that closes when the electromagnetic coil is energized, and a detection device connected in series to the normally open contact. A failure detection device according to claim (1) of the utility model registration claim. (4) The detection coil shall comply with the scope of utility model registration claims applied to each reed switch for each phase.
The failure detection device according to any one of paragraphs (1) to (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4709485U JPS61162251U (en) | 1985-03-28 | 1985-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4709485U JPS61162251U (en) | 1985-03-28 | 1985-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61162251U true JPS61162251U (en) | 1986-10-07 |
Family
ID=30562107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4709485U Pending JPS61162251U (en) | 1985-03-28 | 1985-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61162251U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59158047A (en) * | 1983-02-28 | 1984-09-07 | 松下電工株式会社 | Leakage breaker |
-
1985
- 1985-03-28 JP JP4709485U patent/JPS61162251U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59158047A (en) * | 1983-02-28 | 1984-09-07 | 松下電工株式会社 | Leakage breaker |
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