JPH033139U - - Google Patents
Info
- Publication number
- JPH033139U JPH033139U JP6104589U JP6104589U JPH033139U JP H033139 U JPH033139 U JP H033139U JP 6104589 U JP6104589 U JP 6104589U JP 6104589 U JP6104589 U JP 6104589U JP H033139 U JPH033139 U JP H033139U
- Authority
- JP
- Japan
- Prior art keywords
- side terminal
- earth
- terminal
- detecting
- detection
- 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 6
- 230000010355 oscillation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
Description
第１図〜第３図はこの考案に係るアース検知装
置の一例を示すブロツク図である。
１１，１４……ホツト側端子、１２，１５……
コールド側端子、１３，１６……アース端子、１
７……アース棒、２０……検知手段、３０……制
御手段、３１……開閉手段、３２……リレー、４
１……警告灯、７０……発振回路。
1 to 3 are block diagrams showing an example of the earth detection device according to this invention. 11, 14...Hot side terminal, 12, 15...
Cold side terminal, 13, 16...Earth terminal, 1
7...Earth rod, 20...Detection means, 30...Control means, 31...Opening/closing means, 32...Relay, 4
1...warning light, 70...oscillation circuit.
Claims (1)
、コールド側端子及びアース端子を有すると共に
、 上記アース端子が接地されているか否かを検知
する検知手段と、 その検知出力で上記ホツト側端子及びコールド
側端子を開閉制御する制御手段とが設けられ、 上記アース端子が接地されていないときには、
上記制御手段の出力で上記ホツト側端子及びコー
ルド側端子を強制的に開放するようにしたことを
特徴とするアース検知装置。 (2) 上記検知手段として、フオトカプラーを使
用した電流検知手段が使用されてなることを特徴
とする請求項１記載のアース検知装置。 (3) 上記検知手段として、発振回路が使用され
てなることを特徴とする請求項１記載のアース検
知装置。[Scope of Claim for Utility Model Registration] (1) A detecting means having a hot side terminal, a cold side terminal, and a ground terminal connected to the load and power supply side, and detecting whether or not the ground terminal is grounded; A control means is provided for controlling the opening and closing of the hot side terminal and the cold side terminal based on the detection output, and when the earth terminal is not grounded,
An earth detection device characterized in that the hot side terminal and the cold side terminal are forcibly opened by the output of the control means. (2) The earth detecting device according to claim 1, wherein the detecting means is current detecting means using a photocoupler. (3) The earth detection device according to claim 1, wherein an oscillation circuit is used as the detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6104589U JPH033139U (en) | 1989-05-26 | 1989-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6104589U JPH033139U (en) | 1989-05-26 | 1989-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH033139U true JPH033139U (en) | 1991-01-14 |
Family
ID=31588945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6104589U Pending JPH033139U (en) | 1989-05-26 | 1989-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH033139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0946886A (en) * | 1995-08-02 | 1997-02-14 | Omron Corp | Leakage prevention device, equipment control system and jet bath controller |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4869042A (en) * | 1971-12-23 | 1973-09-20 | ||
| JPS4926725A (en) * | 1972-07-04 | 1974-03-09 | ||
| JPS5034039B1 (en) * | 1970-12-28 | 1975-11-05 | ||
| JPS5313150A (en) * | 1976-07-21 | 1978-02-06 | Matsushita Electric Ind Co Ltd | Grounding device |
-
1989
- 1989-05-26 JP JP6104589U patent/JPH033139U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5034039B1 (en) * | 1970-12-28 | 1975-11-05 | ||
| JPS4869042A (en) * | 1971-12-23 | 1973-09-20 | ||
| JPS4926725A (en) * | 1972-07-04 | 1974-03-09 | ||
| JPS5313150A (en) * | 1976-07-21 | 1978-02-06 | Matsushita Electric Ind Co Ltd | Grounding device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0946886A (en) * | 1995-08-02 | 1997-02-14 | Omron Corp | Leakage prevention device, equipment control system and jet bath controller |