JPH02131630U - - Google Patents
Info
- Publication number
- JPH02131630U JPH02131630U JP4091889U JP4091889U JPH02131630U JP H02131630 U JPH02131630 U JP H02131630U JP 4091889 U JP4091889 U JP 4091889U JP 4091889 U JP4091889 U JP 4091889U JP H02131630 U JPH02131630 U JP H02131630U
- Authority
- JP
- Japan
- Prior art keywords
- liquid level
- bridge
- measuring device
- abnormality
- measured
- 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 14
- 230000005856 abnormality Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第１図は本考案の基本的な第１実施例を示す回
路図、第２図は本考案の基本的な第２実施例を示
す回路図、第３図は液面測定装置を適用した自動
車のオイルレベルゲージの構成図、第４図は同上
のオイルレベルゲージにおいて用いられるホイー
トストンブリツジの回路図、第５図は同上のオイ
ルレベルゲージにおけるオイルパンの斜視図、第
６図は同上のオイルレベルゲージの部分構成図、
第７図は従来のホイートストンブリツジを用いた
構成の液面測定装置の回路図である。
１……ホイートストンブリツジ、２……バツテ
リ、５……メータ、６……電圧比較器、７，１３
……警報器、１１……増幅器。
Fig. 1 is a circuit diagram showing a basic first embodiment of the invention, Fig. 2 is a circuit diagram showing a basic second embodiment of the invention, and Fig. 3 is a car to which the liquid level measuring device is applied. Figure 4 is a circuit diagram of the Wheatstone bridge used in the oil level gauge, Figure 5 is a perspective view of the oil pan in the oil level gauge, and Figure 6 is the oil level gauge used in the oil level gauge. Partial configuration diagram of level gauge,
FIG. 7 is a circuit diagram of a liquid level measuring device configured using a conventional Wheatstone bridge. 1...Wheatstone bridge, 2...Battery, 5...Meter, 6...Voltage comparator, 7,13
...Alarm, 11...Amplifier.
Claims (1)
の高い抵抗線で形成し、ブリツジの少なくとも一
辺を、測定する液面の上限状態で液面下になり、
下限状態で定められた部分が液面上になる如く配
置し、通電時のブリツジの電位差から液面を測定
するように構成した液面測定装置において、 前記電位差を測定する点における電位が所定の
範囲から逸脱したときに装置に異常があると判断
する異常判断手段を設けたことを特徴とする液面
測定装置。 (2) ホイートストンブリツジを比較的温度係数
の高い抵抗線で形成し、ブリツジの少なくとも一
辺を、測定する液面上の上限状態で液面下になり
、下限状態で定められた部分が液面上になる如く
配置し、通電時のブリツジの電位差から液面を測
定するように構成した液面測定装置において、 通電用電源より流れる電流が所定の範囲から逸
脱したときに装置に異常があると判断する異常判
断手段を設けたことを特徴とする液面測定装置。[Claims for Utility Model Registration] (1) A Wheatstone bridge is formed of a resistance wire with a relatively high temperature coefficient, and at least one side of the bridge is below the liquid level at the upper limit of the liquid level to be measured;
In a liquid level measuring device that is arranged so that a part determined in the lower limit state is above the liquid level and is configured to measure the liquid level from the potential difference of the bridge when energized, the potential at the point at which the potential difference is measured is A liquid level measuring device comprising an abnormality determining means for determining that there is an abnormality in the device when the device deviates from the range. (2) A Wheatstone bridge is formed of a resistance wire with a relatively high temperature coefficient, and at least one side of the bridge is below the liquid level at the upper limit state above the liquid level to be measured, and the part determined at the lower limit state is below the liquid level. In a liquid level measuring device configured to measure the liquid level from the potential difference of the bridge when energized, it is determined that there is an abnormality in the device when the current flowing from the energizing power supply deviates from the specified range. A liquid level measuring device characterized by being provided with an abnormality determining means for determining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4091889U JPH02131630U (en) | 1989-04-10 | 1989-04-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4091889U JPH02131630U (en) | 1989-04-10 | 1989-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02131630U true JPH02131630U (en) | 1990-11-01 |
Family
ID=31551131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4091889U Pending JPH02131630U (en) | 1989-04-10 | 1989-04-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02131630U (en) |
-
1989
- 1989-04-10 JP JP4091889U patent/JPH02131630U/ja active Pending
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