JPS62235528A - Instrument for measuring residual quantity of fuel tank - Google Patents
Instrument for measuring residual quantity of fuel tankInfo
- Publication number
- JPS62235528A JPS62235528A JP61079464A JP7946486A JPS62235528A JP S62235528 A JPS62235528 A JP S62235528A JP 61079464 A JP61079464 A JP 61079464A JP 7946486 A JP7946486 A JP 7946486A JP S62235528 A JPS62235528 A JP S62235528A
- Authority
- JP
- Japan
- Prior art keywords
- liquid level
- tank
- sectional area
- fuel tank
- fuel
- 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
- 239000002828 fuel tank Substances 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000000446 fuel Substances 0.000 claims abstract description 22
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims description 41
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Level Indicators Using A Float (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は、液量測定装置に関し１例えば自動二軸車の
燃料タンクのような液体タンクにおける残量測定装置に
利用して有効な技術に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a liquid level measuring device, and relates to a technology that is effective when used as a remaining level measuring device in a liquid tank such as a fuel tank of a two-axle motor vehicle, for example. .
［従来技術〕
従来、自動二軸車等の車両における燃料タンク内の燃料
の残量を測定する装置器よ、例えｉｆ特開昭５９−１０
９４７７号公報や実公昭５５−５２３２８号に記載され
ているように、燃料よりも比重の軽いフロート（浮き）
を用いて、液面の高さを検出することで残量の測定を行
なう方式が一般的であった・
［発明が解決しようとする問題点］
しかしながら、自動二輪車のような車両にお塾１ては、
車体の設計上燃料タンクの断面積を一様にできず、形状
が複雑になることが多い、つまり、燃料タンクの底部か
らの高さによってタンクの各 。[Prior Art] Conventionally, a device for measuring the remaining amount of fuel in a fuel tank of a vehicle such as a two-axle motor vehicle has been used, for example, as disclosed in Japanese Patent Application Laid-open No. 59-10
As described in Publication No. 9477 and Utility Model Publication No. 55-52328, floats with a specific gravity lighter than fuel
[Problems to be solved by the invention] However, it is common practice to measure the remaining amount by detecting the height of the liquid level using Well,
Due to the design of the car body, the cross-sectional area of the fuel tank cannot be made uniform, and the shape is often complicated, that is, the height of each tank from the bottom of the fuel tank varies.
部の水平断面積の大きさが異なっており、タンク内の燃
料の液面高さと燃料の容ｉ（残量）とが比例しなくなる
。そのため、上述したようにフロートを用いて単純に液
面の高さを検出することで燃料の残量を測定する方式で
は、測定値に基づいて燃料計に残量を表示させる場合に
精度の良い残量表示が行なえないという問題点があった
。The horizontal cross-sectional areas of the tanks are different, and the height of the fuel level in the tank is not proportional to the fuel volume i (remaining amount). Therefore, as mentioned above, the method of measuring the remaining amount of fuel by simply detecting the height of the liquid level using a float has a high accuracy when displaying the remaining amount on the fuel gauge based on the measured value. There was a problem that the remaining amount could not be displayed.
この発明の目的は、燃料タンクの形状が、高さ方向に一
様でない複雑な形状である場合においても、検知信号を
そのまま使って精度良く燃料計に残量を表示されること
ができるような燃料タンクの残量測定装置を提供するこ
とにある。An object of the present invention is to provide a fuel tank that can accurately display the remaining amount on a fuel gauge by using detection signals as they are, even when the shape of the fuel tank is complex and not uniform in the height direction. An object of the present invention is to provide a device for measuring the remaining amount of fuel in a fuel tank.
［問題点を解決するための手段］
この発明は、燃料タンク内に液面の高さを検知する液面
検知手段を設けると共に１例えば棒状をなす液面検知手
段の傾き等を補正手段とし、この補正手段による補正量
を燃料タンクの水平断面積の大きさに応じて高さ方向に
沿って変えてやるようにするものである。[Means for Solving the Problems] The present invention provides a liquid level detecting means for detecting the height of the liquid level in a fuel tank, and uses the inclination of the liquid level detecting means, for example, a rod, as a correction means, The amount of correction by this correction means is changed along the height direction depending on the size of the horizontal cross-sectional area of the fuel tank.
［作用コ
上記した手段によれば、燃料タンクの断面積が高さ方向
に一様でない場合にも、タンクの断面積に応じて液面検
知手段の検知レベル（測定値）が補正され、液面検知レ
ベルとタンク内の燃料の残量とが比例するようになる。[Operation] According to the above-described means, even if the cross-sectional area of the fuel tank is not uniform in the height direction, the detection level (measured value) of the liquid level detection means is corrected according to the cross-sectional area of the tank, and the liquid level is The surface detection level and the remaining amount of fuel in the tank will become proportional.
［実施例］
第１図は、本発明を燃料タンクにおける残量測定装置に
適用した場合の第１の実施例を示す。[Embodiment] FIG. 1 shows a first embodiment in which the present invention is applied to a remaining amount measuring device in a fuel tank.
この実施例の燃料タンク１は、特に限定されるものでは
ないが、底壁１ａが階段状に形成され、また、図面には
表わされていないが、前壁と後壁が互いに平行をなすよ
うに形成されているとともに、底壁がが最も小さくかつ
上方に向かって次第に断面積が大きくなるように形成さ
れている。つまり、この実施例の燃料タンク１は、３段
階の断面積Ｓ１．Ｓｚ −Ｓ ａ 、（Ｓ ｔ ＜ Ｓ
２ ＜ ８３ ）を有するように形成されている。Although the fuel tank 1 of this embodiment is not particularly limited, the bottom wall 1a is formed in a stepped shape, and although not shown in the drawings, the front wall and the rear wall are parallel to each other. The bottom wall is the smallest and the cross-sectional area gradually increases toward the top. That is, the fuel tank 1 of this embodiment has three stages of cross-sectional area S1. Sz −S a , (S t < S
2 < 83).
上記のごとく形成された燃料タンク１の上壁１ｂには、
燃料の注入口２が形成され、キャップ３で閉塞されてい
ると共に、上壁１ｂには検出用回路を内蔵した保持ブロ
ック４が、その下端部がタンク内に臨むように固定され
ている。そして、この保持ブロック４の下面には、内部
に複数個のリードスイッチＳＷ□、ＳＷ、、・・・ＳＷ
ｎが等間隔で配設されてなる棒状の検知管５が取り付け
られ、タンク内に向かって垂下されている。On the upper wall 1b of the fuel tank 1 formed as described above,
A fuel inlet 2 is formed and closed with a cap 3, and a holding block 4 having a built-in detection circuit is fixed to the upper wall 1b so that its lower end faces into the tank. On the lower surface of this holding block 4, a plurality of reed switches SW□, SW, . . .
Rod-shaped detection tubes 5, which are arranged at equal intervals, are attached and are suspended into the tank.
上記検知管５の外周には、内面にマグネット６を有する
フロート７が摺動自在に嵌合されていると共に、検知管
５は燃料タンク１の水平断面積の大きさに応じた傾斜が
与えられている。すなわち、検知管５は、燃料タンク１
のうち一番深い底壁１ａから高さｈｌまでの最も断面積
の小さな領域Ｈ２に対応する部分では鉛直姿勢を成し、
底壁１ａがらの高さｈ４よりｈ２までの領域Ｈ２に対応
する部分では、その部位の管の長さＱ２とその部分の高
さくｈ２−ｈｌ）のと比が断面積ｓ２とＳよとの比に一
致するように、っまりＱｘ＝（ｈ−ｈｌ）Ｓ２／Ｓ１で
表わされるような傾斜角αを有するように折曲されてい
る。さらに、タンクの底がらの高さｈ２よりり、までの
領域Ｈ１に対応する検知管５の上端部は、その部位の管
の長さ悲、とその部位の高さくｈ３−ｈ、）との比が断
面積Ｓ、と８１との比に一致するように、つまり念、＝
（ｈｆｆ−ｈ２）ｓ。A float 7 having a magnet 6 on the inner surface is slidably fitted to the outer periphery of the detection tube 5, and the detection tube 5 is sloped according to the size of the horizontal cross-sectional area of the fuel tank 1. ing. That is, the detection tube 5 is connected to the fuel tank 1
The part corresponding to the region H2 with the smallest cross-sectional area from the deepest bottom wall 1a to the height hl assumes a vertical posture,
In the part corresponding to the region H2 from the height h4 to h2 of the bottom wall 1a, the ratio of the length Q2 of the pipe at that part to the height h2-hl) of the part is the same as the cross-sectional area s2 and S. It is bent so as to have an inclination angle α exactly as expressed by Qx=(h−hl)S2/S1 so as to match the ratio. Furthermore, the upper end of the detection tube 5 corresponding to the area H1 from the height h2 of the bottom of the tank to So that the ratio is equal to the ratio of the cross-sectional area S, and 81, in other words, =
(hff-h2)s.
／Ｓよで表わされるような傾斜角βを有するように折曲
されている。It is bent to have an inclination angle β as represented by /S.
上記のように折曲された検知管５内に等間隔で配置され
たリードスイッチＳＷ１〜Ｓ Ｗ ｎからの信号線は、
ブロック４内の検出用回路に接続され、検出用回路によ
って液面レベルに対応した電圧が発生される。この検出
用回路は燃料計８と電源Ｅに接続されており、メインス
イッチＭＳがオンされると、燃料計８内の作動コイル８
ａに液面レベルに対応した電流が流され、指針８ｂが残
量表示を行なうようになっている。The signal lines from the reed switches SW1 to SWn arranged at equal intervals in the bent detection tube 5 as described above are as follows:
It is connected to a detection circuit in block 4, and a voltage corresponding to the liquid level is generated by the detection circuit. This detection circuit is connected to the fuel gauge 8 and the power source E, and when the main switch MS is turned on, the operating coil 8 inside the fuel gauge 8
A current corresponding to the liquid level is applied to the point a, and the pointer 8b displays the remaining amount.
次に、上記実施例の残量測定装置の作用について説明す
る。Next, the operation of the remaining amount measuring device of the above embodiment will be explained.
第１図に示されているような断面積が一様でない燃料タ
ンクでは、同じ量の燃料が消費されても液面の減少量が
異なり、断面積の大きい領域はど液面の減少の割合が小
さい。しかるに、上記実施例の検知管５は、タンク断面
積が大きい領域に対応する部位はど鉛直線に対する傾斜
角が大きくなるように折曲されている。つまり、検知管
の長さが実質的に延長され、しかもそこには鉛直部と同
じ間隔でリードスイッチが配設されている。そのため、
タンクの断面積の大きい部分はど検知管５の感度が高い
。つまり、断面積が大きい部分はど液面が少し下がった
だけで検知されるようになる。In a fuel tank with a nonuniform cross-sectional area, as shown in Figure 1, the amount of liquid level decrease will vary even if the same amount of fuel is consumed, and the area with a large cross-sectional area will have a different rate of liquid level decrease. is small. However, the detection tube 5 of the above embodiment is bent such that the angle of inclination with respect to the vertical line is large at the portion corresponding to the region where the cross-sectional area of the tank is large. In other words, the length of the detection tube is substantially extended, and reed switches are disposed there at the same spacing as the vertical portion. Therefore,
The sensitivity of the detection tube 5 is high in parts of the tank where the cross-sectional area is large. In other words, a portion with a large cross-sectional area can be detected even if the liquid level drops slightly.
その結果、上記実施例ではタンクの断面積の大きい部分
でも小さい部分でも同一の燃料消費量でリードスイッチ
が感応するようになる。つまり。As a result, in the above embodiment, the reed switch is sensitive to the same fuel consumption regardless of whether the tank has a large cross-sectional area or a small cross-sectional area. In other words.
検出した液面レベルと残量とが比例することになるので
、検知信号に基づいて精度の良い残量表示を行なうこと
ができる。なお、上記実施例では、検知管５の形状をほ
ぼ直線的に形成しであるが、それような形状に限定され
ず例えば検知管５全体を螺旋状に形成し、かつ各部の傾
斜角度をその部分のタンクの水平断面積の大きさに応じ
て変えてやるようにしてもよい。Since the detected liquid level is proportional to the remaining amount, it is possible to accurately display the remaining amount based on the detection signal. In the above embodiment, the shape of the detection tube 5 is formed almost linearly, but the shape is not limited to such a shape. For example, the entire detection tube 5 may be formed in a spiral shape, and the inclination angle of each part may be adjusted accordingly. It may be changed depending on the size of the horizontal cross-sectional area of the tank.
次に、第２図には１本発明に係る残量測定値の第２の実
施例を示す。Next, FIG. 2 shows a second embodiment of the remaining amount measurement value according to the present invention.
この実施例では、検出用回路が内蔵された保持ブロック
４の下部に取付けられて、燃料タンク１内に垂下された
検知管５内に、タンクの断面積の変化の割合に反比例す
るような間隔でリードスイッチＳＷ、、ＳＷ、、・・・
ＳＷｎを配置させである。In this embodiment, a detection circuit is attached to the lower part of a holding block 4 in which a detection circuit is built, and a detection tube 5 that is suspended in a fuel tank 1 is provided with an interval that is inversely proportional to the rate of change in the cross-sectional area of the tank. and reed switch SW, SW,...
SWn is placed.
つまり、タンクの断面積の小さい部分はどリードスイッ
チの間隔を広くし、タンクの断面積の大きい部分はどリ
ードスイッチの間隔を狭くしである。In other words, the intervals between the reed switches are widened in parts of the tank where the cross-sectional area is small, and the intervals between the reed switches are narrowed in parts with a large cross-sectional area of the tank.
この実施例においても、同一燃料消費量に対し液面レベ
ルの低下の小さいタンク断面積「大」の部分はど少ない
液面レベルの減少によってリードスイッチがオン・オフ
されるようになる。つまり、検出した液面レベルと残量
とが比例するようになって、精度の良い残量゛表示を行
うことができる。In this embodiment as well, the reed switch is turned on and off depending on how small the decrease in the liquid level is in the section where the tank cross-sectional area is "large" where the decrease in the liquid level is small for the same amount of fuel consumption. In other words, the detected liquid level is proportional to the remaining amount, and the remaining amount can be displayed with high accuracy.
なお、上記実施例では、いずれも液面レベルの検知手段
として、リードスイッチを一列に並べて配置してなる検
知管を用いているが、この発明はそれに限定されるもの
でなく、静電容量を利用して液面レベルを検出するよう
なセンサを用いることもできる。その場合、センサの単
位長さ当たりの静電容量をタンクの断面積の大きさに応
じ変えておくようにすればよい。In each of the above embodiments, a detection tube consisting of reed switches arranged in a row is used as the liquid level detection means, but the present invention is not limited to this, and the present invention is not limited to this. A sensor can also be used to detect the liquid level. In that case, the capacitance per unit length of the sensor may be changed depending on the size of the cross-sectional area of the tank.
［発明の効果］
以上説明したように、この発明は燃料タンク内に液面の
高さを検知する液面検知手段を設けると共に、例えば棒
状をなす液面検知手段の傾き等を補正手段とし、この補
正手段による補正書を燃料タンクの水平断面積の大きさ
に応じて高さ方向に沿って変えてやるようにしたので、
燃料タンクの断面積に応じて液面検知手段の検知レベル
（測定値）が補正され、液面検知レベルとタンク内の燃
料の残量とが比例するようになるという作用により、燃
料タンクの形状が高さ方向に一様でない複雑な形状であ
る場合においても、検知信号をそのまま使って精度良く
燃料計に残量を表示させることができるという効果があ
る。[Effects of the Invention] As explained above, the present invention provides a liquid level detection means for detecting the height of the liquid level in a fuel tank, and also uses the inclination of the rod-shaped liquid level detection means as a correction means, Since the correction by this correction means is changed along the height direction according to the size of the horizontal cross-sectional area of the fuel tank,
The detection level (measured value) of the liquid level detection means is corrected according to the cross-sectional area of the fuel tank, and the liquid level detection level and the remaining amount of fuel in the tank are proportional to each other. Even when the fuel cell has a complex shape that is not uniform in the height direction, the remaining amount can be accurately displayed on the fuel gauge by using the detection signal as is.
上記実施例では、本発明を自動二輪車の燃料タンクにお
ける残量測定装置に適用したものについて説明したが、
この発明はオイルタンク内の残量測定装置に利用するこ
ともできる。In the above embodiment, the present invention was applied to a remaining amount measuring device in a fuel tank of a motorcycle.
The present invention can also be used as a remaining amount measuring device in an oil tank.
第１図は、本発明に係る燃料タンクの残量測定装置の第
１の実施例を示す概略構成図。
第２図は１本発明の第２の実施例を示す断面説明図であ
る。
１・・・・燃料タンク、２・・・・注入口、４・・・・
検出用回路を内蔵した保持ブロック、５・・・・液面検
知手段、（検知管）、６・・・・マグネット、７・・・
・フロート、８・・・・燃料計、ＳＷ１〜ＳＷｎ・・・
・リードスイッチ。
第１図
第２図FIG. 1 is a schematic configuration diagram showing a first embodiment of a fuel tank remaining amount measuring device according to the present invention. FIG. 2 is an explanatory cross-sectional view showing a second embodiment of the present invention. 1...Fuel tank, 2...Inlet, 4...
Holding block with built-in detection circuit, 5...Liquid level detection means, (detection tube), 6...Magnet, 7...
・Float, 8...Fuel gauge, SW1~SWn...
·Reed switch. Figure 1 Figure 2
Claims (2)
成された燃料タンクにおいて、タンク内に燃料の液面高
さを検出するための液面検知手段を上下方向に配置する
とともに、上記液面検知手段にはその検知レベルを補正
するための補正手段を設け、この補正手段による補正量
を燃料タンクの水平断面積の大きさに応じて変えてやる
ようにしたことを特徴とする燃料タンクの残量測定装置
。(1) In a fuel tank formed so that the horizontal cross-sectional area changes along the height direction, liquid level detection means for detecting the fuel level height is arranged in the vertical direction in the tank, and The liquid level detection means is provided with a correction means for correcting the detection level, and the amount of correction by the correction means is changed depending on the size of the horizontal cross-sectional area of the fuel tank. Fuel tank remaining amount measuring device.
ッチが等間隔で配置されてなる検知管であって、この検
知管の傾きを補正手段とし、タンクの断面積に応じて検
知管の傾きを変化させるようにしたことを特徴とする特
許請求の範囲第１項記載の燃料タンクの残量測定装置。(2) The liquid level detection means is a detection tube in which a plurality of reed switches are arranged at equal intervals.The inclination of the detection tube is used as a correction means, and the detection tube is 2. The fuel tank remaining amount measuring device according to claim 1, wherein the inclination of the fuel tank is changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61079464A JPS62235528A (en) | 1986-04-07 | 1986-04-07 | Instrument for measuring residual quantity of fuel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61079464A JPS62235528A (en) | 1986-04-07 | 1986-04-07 | Instrument for measuring residual quantity of fuel tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62235528A true JPS62235528A (en) | 1987-10-15 |
Family
ID=13690604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61079464A Pending JPS62235528A (en) | 1986-04-07 | 1986-04-07 | Instrument for measuring residual quantity of fuel tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62235528A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001071295A1 (en) * | 2000-03-17 | 2001-09-27 | Hal-Tech Ltd. | Alternative liquid environment measurement system and method |
| JP2013190276A (en) * | 2012-03-13 | 2013-09-26 | Toyota Motor Corp | Fuel tank structure |
| CN106382972A (en) * | 2016-09-02 | 2017-02-08 | 中国地质大学（武汉） | Single hole underground water level monitoring method and real-time monitoring device |
| JP2022162489A (en) * | 2021-04-12 | 2022-10-24 | 株式会社ヨコモリ電池屋コーポレーション | Measured residual amount value calibration mechanism and spray device |
-
1986
- 1986-04-07 JP JP61079464A patent/JPS62235528A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001071295A1 (en) * | 2000-03-17 | 2001-09-27 | Hal-Tech Ltd. | Alternative liquid environment measurement system and method |
| US6363783B1 (en) * | 2000-03-17 | 2002-04-02 | Hal-Tech, Ltd | Alternative liquid environment measurement system and method |
| JP2013190276A (en) * | 2012-03-13 | 2013-09-26 | Toyota Motor Corp | Fuel tank structure |
| CN106382972A (en) * | 2016-09-02 | 2017-02-08 | 中国地质大学（武汉） | Single hole underground water level monitoring method and real-time monitoring device |
| CN106382972B (en) * | 2016-09-02 | 2017-11-07 | 中国地质大学（武汉） | A kind of single hole water table measure method and real time monitoring apparatus |
| JP2022162489A (en) * | 2021-04-12 | 2022-10-24 | 株式会社ヨコモリ電池屋コーポレーション | Measured residual amount value calibration mechanism and spray device |
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