JPS61167526U - - Google Patents
Info
- Publication number
- JPS61167526U JPS61167526U JP5152185U JP5152185U JPS61167526U JP S61167526 U JPS61167526 U JP S61167526U JP 5152185 U JP5152185 U JP 5152185U JP 5152185 U JP5152185 U JP 5152185U JP S61167526 U JPS61167526 U JP S61167526U
- Authority
- JP
- Japan
- Prior art keywords
- liquid level
- level sensor
- temperature thermistor
- temperature
- negative
- 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
- 239000007788 liquid Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第１図は本考案の一実施例としての液面レベル
センサーの全体断面図、第２図は負特性サーミス
タの抵抗値の温度特性曲線を示す図、第３図は従
来の液面レベルセンサーの問題点を説明するため
の各部の温度特性を示す図である。
４……負特性サーミスタ、５……正特性サーミ
スタ。
Fig. 1 is an overall sectional view of a liquid level sensor as an embodiment of the present invention, Fig. 2 is a diagram showing a temperature characteristic curve of resistance value of a negative characteristic thermistor, and Fig. 3 is a diagram of a conventional liquid level sensor. FIG. 3 is a diagram showing temperature characteristics of each part to explain a problem. 4... Negative characteristic thermistor, 5... Positive characteristic thermistor.
Claims (1)
体として正特性サーミスタを用いると共に、両者
を熱的に結合させた液面レベルセンサーにおいて
、 前記正特性サーミスタの定温度機能の影響を受
け難いように負特性サーミスタを離して配置した
ことを特徴とする液面レベルセンサー。[Claims for Utility Model Registration] In a liquid level sensor that uses a negative temperature thermistor as a temperature sensor and a positive temperature thermistor as a heating element, and thermally couples the two, the effect of the constant temperature function of the positive temperature thermistor A liquid level sensor characterized by having negative characteristic thermistors placed apart from each other so that they are less likely to be affected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5152185U JPS61167526U (en) | 1985-04-06 | 1985-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5152185U JPS61167526U (en) | 1985-04-06 | 1985-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61167526U true JPS61167526U (en) | 1986-10-17 |
Family
ID=30570647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5152185U Pending JPS61167526U (en) | 1985-04-06 | 1985-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61167526U (en) |
-
1985
- 1985-04-06 JP JP5152185U patent/JPS61167526U/ja active Pending