JPS61164427U - - Google Patents
Info
- Publication number
- JPS61164427U JPS61164427U JP4733885U JP4733885U JPS61164427U JP S61164427 U JPS61164427 U JP S61164427U JP 4733885 U JP4733885 U JP 4733885U JP 4733885 U JP4733885 U JP 4733885U JP S61164427 U JPS61164427 U JP S61164427U
- Authority
- JP
- Japan
- Prior art keywords
- water temperature
- display device
- change
- resistance value
- temperature range
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Description
第１図は本考案の一実施例を示す回路図構成図
、第２図は検出部の温度対抵抗の変化特性を示す
グラフ図、第３図は第２図に対応した指示角度の
変化を示すグラフ図、第４図は水温指示計の目盛
部の動作を説明する説明図、第５図は従来例を示
す回路構成図、第６図はサーミスタの温度対抵抗
の変化特性を示すグラフ図、第７図は第６図に対
応した指示角度の変化を示すグラフ図、第８図は
従来例に係る水温支持計の目盛部の動作を示す説
明図である。
２０……検出部、２２……第１の水温センサと
しての第１のサーミスタ、２４……第２の水温セ
ンサとしての第２のサーミスタ。
Fig. 1 is a circuit diagram showing an embodiment of the present invention, Fig. 2 is a graph showing the temperature vs. resistance change characteristics of the detection section, and Fig. 3 is a graph showing the change in indication angle corresponding to Fig. 2. Figure 4 is an explanatory diagram explaining the operation of the scale section of the water temperature indicator, Figure 5 is a circuit configuration diagram showing a conventional example, and Figure 6 is a graph diagram showing the temperature vs. resistance change characteristics of the thermistor. , FIG. 7 is a graph showing changes in the indicated angle corresponding to FIG. 6, and FIG. 8 is an explanatory diagram showing the operation of the scale section of the water temperature support meter according to the conventional example. 20... Detection unit, 22... First thermistor as a first water temperature sensor, 24... Second thermistor as a second water temperature sensor.
Claims (1)
検出部を備えた水温表示装置において、 高温域で比較的平坦な抵抗値曲線を有する第１
の水温センサと、高温域で前記第１の水温センサ
より急峻な変化率の抵抗値曲線を有する第２の水
温センサとを並列接続して前記検出部を構成した
ことを特徴とする水温表示装置。 (2) 前記第１及び第２の各水温センサがサーミ
スタで構成されていることを特徴とした実用新案
登録請求の範囲第１項記載の水温表示装置。 (3) 前記第１及び第２の各水温センサの抵抗値
曲線が、高温域において相互に交叉する性質を備
えたものであることを特徴とした実用新案登録請
求の範囲第１項記載の水温表示装置。 (4) 前記第１及び第２の各水温センサの抵抗値
曲線が形成する交叉点が、高温域と適温域との臨
界点よりも低い温度に相当する位置にあることを
特徴とした実用新案登録請求の範囲第３項記載の
水温表示装置。[Scope of Claim for Utility Model Registration] (1) In a water temperature display device equipped with a detection unit that detects a change in water temperature as a change in resistance value,
and a second water temperature sensor having a resistance value curve with a steeper rate of change than the first water temperature sensor in a high temperature range are connected in parallel to form the water temperature display device. . (2) The water temperature display device according to claim 1, wherein each of the first and second water temperature sensors is a thermistor. (3) The water temperature according to claim 1, wherein the resistance curves of the first and second water temperature sensors have a property of crossing each other in a high temperature range. Display device. (4) A utility model characterized in that the intersection point formed by the resistance value curves of the first and second water temperature sensors is located at a position corresponding to a temperature lower than the critical point between the high temperature range and the appropriate temperature range. A water temperature display device according to registered claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4733885U JPS61164427U (en) | 1985-03-31 | 1985-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4733885U JPS61164427U (en) | 1985-03-31 | 1985-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61164427U true JPS61164427U (en) | 1986-10-13 |
Family
ID=30562570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4733885U Pending JPS61164427U (en) | 1985-03-31 | 1985-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61164427U (en) |
-
1985
- 1985-03-31 JP JP4733885U patent/JPS61164427U/ja active Pending
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