JPS6468622A - Liquid level sensor - Google Patents

Liquid level sensor

Info

Publication number
JPS6468622A
JPS6468622A JP62225236A JP22523687A JPS6468622A JP S6468622 A JPS6468622 A JP S6468622A JP 62225236 A JP62225236 A JP 62225236A JP 22523687 A JP22523687 A JP 22523687A JP S6468622 A JPS6468622 A JP S6468622A
Authority
JP
Japan
Prior art keywords
liquid level
resistance
resistance bodies
center
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.)
Granted
Application number
JP62225236A
Other languages
Japanese (ja)
Other versions
JP2530340B2 (en
Inventor
Ichiro Kataoka
Katsu Yasui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yazaki Corp
Original Assignee
Yazaki Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yazaki Corp filed Critical Yazaki Corp
Priority to JP62225236A priority Critical patent/JP2530340B2/en
Publication of JPS6468622A publication Critical patent/JPS6468622A/en
Application granted granted Critical
Publication of JP2530340B2 publication Critical patent/JP2530340B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Abstract

PURPOSE:To increase output variation with liquid level and to improve detection accuracy by making characteristics of respective liquid level detecting elements irregular and increasing output voltages with a liquid level close to the center of swinging with different gradients. CONSTITUTION:Resistance bodies 4A and 4B are fitted to a support body 3 at a specific interval on a straight lines running in the center of swinging and the resistance body 4B which is close to the center is larger in specific resistance. A constant current is supplied to the resistance bodies and a voltage measurement part 6 detects a potential difference accompanying variation in resistance value corresponding to the liquid level WL. An arithmetic part 7 calculates the liquid level WL in a tank 1 from various elements such as voltage values, the arrangement interval, the lengths of the resistance bodies 4A and 4B, etc., and the result is displayed on a level meter 8. The arithmetic part 7 finds the difference correction value of the level characteristics of the resistance bodies by an offset mechanism 11, then the difference output DELTAVe is multiplied by a constant G by a multiplier 9, and an adder 10 adds the correction value VBe' to the output GDELTAVe, so that the sum is displayed. This constitution eliminates the need to uniform the characteristics of the resistance bodies strictly and the low-cost level sensor is obtained.
JP62225236A 1987-09-10 1987-09-10 Liquid level sensor Expired - Lifetime JP2530340B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62225236A JP2530340B2 (en) 1987-09-10 1987-09-10 Liquid level sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62225236A JP2530340B2 (en) 1987-09-10 1987-09-10 Liquid level sensor

Publications (2)

Publication Number Publication Date
JPS6468622A true JPS6468622A (en) 1989-03-14
JP2530340B2 JP2530340B2 (en) 1996-09-04

Family

ID=16826126

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62225236A Expired - Lifetime JP2530340B2 (en) 1987-09-10 1987-09-10 Liquid level sensor

Country Status (1)

Country Link
JP (1) JP2530340B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107957283A (en) * 2017-12-29 2018-04-24 北京晨淼科技有限公司 Boiler liquid level measuring system and boiler liquid level measuring method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107957283A (en) * 2017-12-29 2018-04-24 北京晨淼科技有限公司 Boiler liquid level measuring system and boiler liquid level measuring method

Also Published As

Publication number Publication date
JP2530340B2 (en) 1996-09-04

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