JPS61190830U - - Google Patents
Info
- Publication number
- JPS61190830U JPS61190830U JP7618285U JP7618285U JPS61190830U JP S61190830 U JPS61190830 U JP S61190830U JP 7618285 U JP7618285 U JP 7618285U JP 7618285 U JP7618285 U JP 7618285U JP S61190830 U JPS61190830 U JP S61190830U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- thermistor
- water level
- heating
- change
- 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
- 238000010438 heat treatment Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第１図は本考案の原理を説明するための説明図
、第２図は第１実施例の説明図、第３図は第２実
施例の説明図、第４図は従来例の説明図であり、
図中、７……サーミスタ、８……比較回路。
Fig. 1 is an explanatory diagram for explaining the principle of the present invention, Fig. 2 is an explanatory diagram of the first embodiment, Fig. 3 is an explanatory diagram of the second embodiment, and Fig. 4 is an explanatory diagram of the conventional example. Yes, in the figure, 7...thermistor, 8...comparison circuit.
Claims (1)
己発熱により所定温度に高められたサーミスタ７
と、前記サーミスタの抵抗変化を電圧の変化とし
て入力させ且この入力電圧と基準電圧とを比較す
る比較回路とからなり、前記基準電圧をサーミス
タ７が貯溜水によつて冷却された状態における前
記入力電圧に適合させた水位検知装置。 A thermistor 7 that is brought into thermal contact with the set water level part and raised to a predetermined temperature by heating means or self-heating.
and a comparator circuit that inputs the resistance change of the thermistor as a voltage change and compares this input voltage with a reference voltage. Water level detection device adapted to voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7618285U JPS61190830U (en) | 1985-05-21 | 1985-05-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7618285U JPS61190830U (en) | 1985-05-21 | 1985-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61190830U true JPS61190830U (en) | 1986-11-27 |
Family
ID=30618091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7618285U Pending JPS61190830U (en) | 1985-05-21 | 1985-05-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61190830U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5750021B2 (en) * | 1973-08-03 | 1982-10-25 | ||
| JPS5835609B2 (en) * | 1978-09-29 | 1983-08-03 | 大日本インキ化学工業株式会社 | Unsaturated polyester resin molding material |
-
1985
- 1985-05-21 JP JP7618285U patent/JPS61190830U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5750021B2 (en) * | 1973-08-03 | 1982-10-25 | ||
| JPS5835609B2 (en) * | 1978-09-29 | 1983-08-03 | 大日本インキ化学工業株式会社 | Unsaturated polyester resin molding material |
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