JPH0455581U - - Google Patents
Info
- Publication number
- JPH0455581U JPH0455581U JP9836190U JP9836190U JPH0455581U JP H0455581 U JPH0455581 U JP H0455581U JP 9836190 U JP9836190 U JP 9836190U JP 9836190 U JP9836190 U JP 9836190U JP H0455581 U JPH0455581 U JP H0455581U
- Authority
- JP
- Japan
- Prior art keywords
- load
- relay switch
- connector
- detection
- circuit
- 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 7
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図は本考案の一実施例に係わる給湯器の概
略図、第２図は本考案の一実施例の回路図、第３
図は動作フローチヤートである。
５……バイパス弁（負荷）、１１……リレース
イツチ、１２……電源線、１３……コネクタ、１
４……検出回路、１６……フオトカプラ（検出素
子）、１８……ＬＥＤ（検出素子）。
Fig. 1 is a schematic diagram of a water heater according to an embodiment of the present invention, Fig. 2 is a circuit diagram of an embodiment of the present invention, and Fig. 3 is a schematic diagram of a water heater according to an embodiment of the present invention.
The figure is an operation flowchart. 5... Bypass valve (load), 11... Relay switch, 12... Power line, 13... Connector, 1
4...detection circuit, 16...photocoupler (detection element), 18...LED (detection element).
Claims (1)
スイツチと、リレースイツチに接続された電源線
を負荷に接続するコネクタとを有するものにおい
て、コネクタが接続されたときに微少電流が流れ
る検出回路を前記リレースイツチと並列に接続し
、検出回路には電流の有無を検出する検出素子を
配したことを特徴とする負荷の接続検出回路。 Detection of minute current flowing when the connector is connected in a device that has a load such as a valve, a relay switch that cuts off power to the load, and a connector that connects the power line connected to the relay switch to the load. 1. A load connection detection circuit, characterized in that a circuit is connected in parallel with the relay switch, and the detection circuit is provided with a detection element for detecting the presence or absence of current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9836190U JPH0455581U (en) | 1990-09-18 | 1990-09-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9836190U JPH0455581U (en) | 1990-09-18 | 1990-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0455581U true JPH0455581U (en) | 1992-05-13 |
Family
ID=31839487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9836190U Pending JPH0455581U (en) | 1990-09-18 | 1990-09-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0455581U (en) |
-
1990
- 1990-09-18 JP JP9836190U patent/JPH0455581U/ja active Pending