JPH0288118U - - Google Patents
Info
- Publication number
- JPH0288118U JPH0288118U JP16790188U JP16790188U JPH0288118U JP H0288118 U JPH0288118 U JP H0288118U JP 16790188 U JP16790188 U JP 16790188U JP 16790188 U JP16790188 U JP 16790188U JP H0288118 U JPH0288118 U JP H0288118U
- Authority
- JP
- Japan
- Prior art keywords
- alarm
- temperature
- resistance element
- fuel
- current
- 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
- 239000000446 fuel Substances 0.000 claims description 11
- 239000002828 fuel tank Substances 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Description
第１図は本考案の一実施例による燃料残量警報
装置の構成を示した回路図、第２図及び第３図は
同燃料残量警報装置における、ガソリンの液面の
高さと警報を行うタイミングとの関係を示した説
明図、第４図は同燃料残量警報装置の適用が可能
な２槽式燃料タンクを示した断面図、第５図は従
来の燃料残量警報装置の構成を示した回路図であ
る。
１……警報ランプ、３１……２槽式燃料タンク
、３１ａ……本室、３１ｂ……分室、３２……燃
料、３３，３４，３５……管、３６……燃料ポン
プ、３７，４４……腕、３８……フロート、４１
……サーミスタ、Ｒ１，Ｒ２，Ｒ３……抵抗、Ｑ
１……トランジスタ。
Fig. 1 is a circuit diagram showing the configuration of a remaining fuel level alarm device according to an embodiment of the present invention, and Figs. 2 and 3 show the height of the gasoline level and alarms in the same fuel level alarm system. An explanatory diagram showing the relationship with timing, Fig. 4 is a sectional view showing a two-tank fuel tank to which the remaining fuel level alarm system can be applied, and Fig. 5 shows the configuration of a conventional remaining fuel level alarm system. FIG. 1... Alarm lamp, 31... Dual fuel tank, 31a... Main room, 31b... Branch room, 32... Fuel, 33, 34, 35... Pipe, 36... Fuel pump, 37, 44... ...Arm, 38...Float, 41
...Thermistor, R1, R2, R3...Resistance, Q
1...Transistor.
Claims (1)
燃料が所定量よりも少なくなつて前記燃料中に存
在していた前記感温抵抗素子が前記燃料の液面か
ら大気中に露出した際、前記感温抵抗素子の自己
発熱による温度上昇に伴なつて前記感温抵抗素子
の抵抗値が減少することにより前記警報部に流れ
る電流が所定値を越えたことを検出して警報を発
する警報部とを備えた燃料残量警報装置において
、 前記感温抵抗素子の前記抵抗値の減少に伴つて
前記警報部に流れる電流の増加率を低下させる電
流増加率低下部をさらに備え、 前記燃料が前記所定量以上であるにもかかわら
ず前記液面から前記感温抵抗素子が一時的に露出
した場合に、前記警報部が警報を行わないように
したことを特徴とする燃料残量警報装置。 ２ 前記電流増加率低下部は、前記警報部に流れ
る電流の増加を抑制する抵抗と、この電流値が所
定値に達すると導通して前記警報部に抑制するこ
となく電流を流すトランジスタとを有することを
特徴とする請求項１記載の燃料残量警報装置。[Scope of claims for utility model registration] 1. A temperature-sensitive resistance element provided in the fuel tank,
When the fuel becomes less than a predetermined amount and the temperature-sensitive resistance element present in the fuel is exposed to the atmosphere from the liquid level of the fuel, the temperature increases due to self-heating of the temperature-sensitive resistance element. and an alarm section that issues an alarm upon detecting that the current flowing through the alarm section exceeds a predetermined value due to a decrease in the resistance value of the temperature-sensitive resistance element, further comprising a current increase rate reducing unit that reduces the rate of increase in the current flowing to the alarm unit as the resistance value of the resistance element decreases, A fuel remaining amount alarm device characterized in that the alarm section does not issue an alarm when a temperature-sensitive resistance element is temporarily exposed. 2. The current increase rate reducing unit includes a resistor that suppresses an increase in the current flowing to the alarm unit, and a transistor that becomes conductive when the current value reaches a predetermined value and causes the current to flow through the alarm unit without being suppressed. 2. The fuel remaining amount warning device according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16790188U JPH0288118U (en) | 1988-12-26 | 1988-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16790188U JPH0288118U (en) | 1988-12-26 | 1988-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0288118U true JPH0288118U (en) | 1990-07-12 |
Family
ID=31456612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16790188U Pending JPH0288118U (en) | 1988-12-26 | 1988-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0288118U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55163417A (en) * | 1979-06-07 | 1980-12-19 | Yamaha Motor Co Ltd | Liquid level alarm |
-
1988
- 1988-12-26 JP JP16790188U patent/JPH0288118U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55163417A (en) * | 1979-06-07 | 1980-12-19 | Yamaha Motor Co Ltd | Liquid level alarm |
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