JPS5839521U - Automotive fuel level gauge - Google Patents
Automotive fuel level gaugeInfo
- Publication number
- JPS5839521U JPS5839521U JP13442181U JP13442181U JPS5839521U JP S5839521 U JPS5839521 U JP S5839521U JP 13442181 U JP13442181 U JP 13442181U JP 13442181 U JP13442181 U JP 13442181U JP S5839521 U JPS5839521 U JP S5839521U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- time constant
- level gauge
- signal
- fuel level
- 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
Landscapes
- Level Indicators Using A Float (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の自動車用燃料残量計のブロック図、第２
図、第３図はともに自動車が曲折路を走行した場合の燃
料タンク内に燃料の状態を示す燃料タンクの断面図、第
４図はこの考案の一実施例ブロック図である。
図において、１は燃料タンク、２は燃料、３は燃料残量
センサ、３ａはセンダ部、３ｂはフロート、４は時定数
固定積分回路、５は表示制御回路、６は表示器、７は時
定数可変積分回路、８は比較器である。なお、図中、同
一符号はそれぞれ同−又は相当部分を示す。Figure 1 is a block diagram of a conventional automobile fuel gauge, Figure 2
3 and 3 are cross-sectional views of a fuel tank showing the state of fuel in the fuel tank when an automobile travels on a winding road, and FIG. 4 is a block diagram of an embodiment of this invention. In the figure, 1 is a fuel tank, 2 is a fuel, 3 is a fuel level sensor, 3a is a sender, 3b is a float, 4 is a fixed time constant integral circuit, 5 is a display control circuit, 6 is a display, and 7 is a timer. A constant variable integration circuit, 8 is a comparator. In addition, in the figures, the same reference numerals indicate the same or corresponding parts, respectively.
Claims (1)
の検出信号を積分してその変動を平均化し、その平均化
した信号で燃料の残量を表示するように構成されたもの
において、上記センサの検出値と上記平均化された信号
とを比較する比較器と、この比較器の出力により一十記
検出信号が増大方向にあるときは検出信号を積分する時
定数を減少させ、逆に減少方向にあるときは当該時定数
を増大させる可変時定数積分器とを備えたことを特徴と
する自動車用燃料残量計。In a device configured to detect the liquid level of fuel in a fuel tank with a sensor, integrate this detection signal, average the fluctuations, and display the remaining amount of fuel using the averaged signal, the above A comparator that compares the detected value of the sensor with the above-mentioned averaged signal, and the output of this comparator decreases the time constant for integrating the detected signal when the detected signal is increasing, and vice versa. A fuel level gauge for an automobile, comprising: a variable time constant integrator that increases the time constant when the time constant is decreasing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13442181U JPS5839521U (en) | 1981-09-09 | 1981-09-09 | Automotive fuel level gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13442181U JPS5839521U (en) | 1981-09-09 | 1981-09-09 | Automotive fuel level gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5839521U true JPS5839521U (en) | 1983-03-15 |
Family
ID=29927850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13442181U Pending JPS5839521U (en) | 1981-09-09 | 1981-09-09 | Automotive fuel level gauge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5839521U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01177908U (en) * | 1988-05-31 | 1989-12-20 | ||
| JPH0355712U (en) * | 1989-10-05 | 1991-05-29 |
-
1981
- 1981-09-09 JP JP13442181U patent/JPS5839521U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01177908U (en) * | 1988-05-31 | 1989-12-20 | ||
| JPH0355712U (en) * | 1989-10-05 | 1991-05-29 |
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