JPS62249045A - Method and instrument for detecting moisture in oil - Google Patents

Method and instrument for detecting moisture in oil

Info

Publication number
JPS62249045A
JPS62249045A JP9131586A JP9131586A JPS62249045A JP S62249045 A JPS62249045 A JP S62249045A JP 9131586 A JP9131586 A JP 9131586A JP 9131586 A JP9131586 A JP 9131586A JP S62249045 A JPS62249045 A JP S62249045A
Authority
JP
Japan
Prior art keywords
oil
gas sensor
microporous filter
moisture
electric resistance
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
Application number
JP9131586A
Other languages
Japanese (ja)
Inventor
Norihiro Kiuchi
木内 規博
Masataka Yahagi
政隆 矢作
Tsutomu Tominaga
力 冨永
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.)
Eneos Corp
Original Assignee
Nippon Mining Co Ltd
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 Nippon Mining Co Ltd filed Critical Nippon Mining Co Ltd
Priority to JP9131586A priority Critical patent/JPS62249045A/en
Publication of JPS62249045A publication Critical patent/JPS62249045A/en
Pending legal-status Critical Current

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  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

PURPOSE:To quickly measure the moisture in oil with good accuracy by immersing a gas sensor which is disposed with a microporous filter around the same into the oil. CONSTITUTION:The gas sensor 3 which is installed onto an aluminum base plate 6 and is enclosed with the microporous filter 4 around the side face thereof is immersed into the oil 1. The steam selectively passing the microporous filter 4 is detected by the gas sensor 3. The gas sensor 3 of an electric resistance type or non-electric resistance is used. The electric resistance type includes a surface sensitive type, bulk sensitive type and oxygen ion conduction type. The non-electric resistance type includes a metal-semiconductor, Pd-TiO3, etc., gas sensitive Pd-MOS, etc. The microporous filter which is made of a resin, ceramics, porous glass or porous metal is used.

Description

【発明の詳細な説明】 発Jj (7) 41忙九訪 本発明は、油中水分の検出法及びその装置に関する。[Detailed description of the invention] From Jj (7) 41 busy visit The present invention relates to a method and apparatus for detecting moisture in oil.

光期−昧用 現在油中の水分を測定する方法には、J I Sで定め
られている蒸留法、又は、カールフィッシャー法がある
Methods for measuring the water content in oil during the photoperiod include the distillation method specified by JIS or the Karl Fischer method.

これらは、油をサンプリングし、一定の処理を施して、
油中の水分を測定するものであり、迅速に油中の水分h
kを精度良く把握することが困難であった。
These are made by sampling oil, applying certain treatments,
This is a device that measures the moisture in oil, and quickly determines the moisture content h in oil.
It was difficult to accurately grasp k.

」二記の改良法としては、特公昭56−25983号が
提案されているが、この方法もL i I(を使用して
40中の水分をH2ガスを発生させることにより、精度
良い値を求める分析方法である。
”2 is proposed in Japanese Patent Publication No. 56-25983, but this method also generates H2 gas from the moisture in 40 using Li This is the desired analytical method.

いずれにしても、迅速分析は、困難である。In any case, rapid analysis is difficult.

本発明者等は、鋭意検討した結果、上記従来法の問題点
を解決すべく以下の発明をなした。
As a result of intensive studies, the present inventors have made the following invention in order to solve the problems of the above-mentioned conventional method.

mへM栽。M-plant to m.

即ち、本発明は、ガスセンサの周囲にマイクロポーラス
フィルターを配置し、油中の水分を検出することを特徴
とする油中水分の検出法に関する。
That is, the present invention relates to a method for detecting moisture in oil, which is characterized by arranging a microporous filter around a gas sensor and detecting moisture in oil.

また、その実施態様としては、ガスセンサが。Further, an embodiment thereof is a gas sensor.

電気抵抗式又は、非電気抵抗式からなるものであること
を特徴とする上記油中水分の検出法、マイクロポーラス
フィルターが、樹脂性あるいは、セラミック性、多孔ガ
ラス、多孔金属であることを特徴とする上記油中水分の
検出法、油が、自動車用又は船舶用潤滑油であることを
特徴とする上記油中水分の検出法である。
The above method for detecting moisture in oil is characterized by being of an electrical resistance type or a non-electric resistance type, and characterized in that the microporous filter is made of resin, ceramic, porous glass, or porous metal. The method for detecting moisture in oil is characterized in that the oil is lubricating oil for automobiles or ships.

さらに他の発明としては、ガスセンサーの周囲にマイク
ロポーラスフィルターを配置し、潤滑油中の水分データ
が、自動車の運転席で把握できることからなることを特
徴とする油中水分の検出装置を提供する。
Still another invention provides a detection device for moisture in oil, characterized in that a microporous filter is arranged around a gas sensor so that moisture data in lubricating oil can be grasped from the driver's seat of an automobile. .

四の °r・な1日 本発明における水分の検出法は、油中の水分をガスセン
サの周囲に配置したマイクロポーラスフィルターを選択
的に通過する水蒸気を該センサにより検知するのである
The moisture detection method in the Japanese invention uses a gas sensor to detect water vapor that selectively passes through a microporous filter disposed around a gas sensor.

マイクロポーラスフィルターは、樹脂性のものあるいは
、セラミック性、多孔ガラス性、多孔金属性のものが用
いられる。
The microporous filter used is one made of resin, ceramic, porous glass, or porous metal.

樹脂性のものは、素子部分については使い捨て方式で使
用される。
The resin type is used in a disposable manner for the element portion.

この例としては、シリコン樹脂、アクリル樹脂、フッ素
樹脂等高分子材料が用いられる。
Examples of this material include polymeric materials such as silicone resin, acrylic resin, and fluororesin.

セラミックフィルターとしては、Al、03.Zro、
、TiO,等のものが使用される。
As the ceramic filter, Al, 03. Zro,
, TiO, etc. are used.

これらの細孔径は、0.01〜1.0μm前後のものが
、使用される。即ち、油や水等の液体は通過せず水蒸気
が通過できる孔径である。
The diameter of these pores used is approximately 0.01 to 1.0 μm. In other words, the pore size is such that liquids such as oil and water cannot pass through, but water vapor can pass through.

ガスセンサとしては、電気抵抗式、非電気抵抗式が用い
られる。
As the gas sensor, an electric resistance type or a non-electric resistance type is used.

電気抵抗方式では、表面感応型、バルク感応型および酸
素イオン伝導型がある60表面感応型としては、SnO
,系、ZnO系、V、O,系等のセラミックタイプ等、
バルク感応型としては、多孔質焼結体Fed、系、Co
 O,系、T i O,系等又。
In the electrical resistance method, there are surface sensitive type, bulk sensitive type and oxygen ion conductive type.60 Surface sensitive type includes SnO
Ceramic types such as , ZnO, V, O, etc.
As the bulk sensitive type, porous sintered body Fed, system, Co
O, system, T i O, system, etc.

酸素イオン伝導型としては、ZrO□系、Y、O。Examples of oxygen ion conductive types include ZrO□ series, Y, and O.

系がある。There is a system.

非電気抵抗方式では、金属−半導体、Pd−Ti0.等
、ガス感応性P d −MOS等がある。
In the non-electrical resistance method, metal-semiconductor, Pd-Ti0. etc., gas-sensitive P d -MOS, etc.

対象とする油は、モーター油、ディーゼル油、舶用エン
ジン油等の潤滑油及び重油等である。
The target oils include lubricating oils such as motor oil, diesel oil, and marine engine oil, as well as heavy oil.

例えば、潤滑油である場合は、自動車用あるいは船舶用
等広く対象となる。
For example, in the case of lubricating oil, it can be used in a wide range of applications such as automobiles and ships.

検知器は、固定式あるいは携帯型のどちらでも良い。The detector can be either fixed or portable.

自動車用であれば、オイルパンに検知素子を設置し、運
転席でその水分を把握することができる。
For automobiles, a detection element can be installed in the oil pan to detect moisture from the driver's seat.

通常自動車用では、1台につき3.5〜1oQ前後の潤
滑油が用いられる。
Normally, lubricating oil of around 3.5 to 1 oQ is used for each vehicle.

また、船舶用であれば、油をサンプリング後直ちに測定
するか、あるいは精製設備に設置し、劣化した潤滑油の
再生度合あるいは、再生のスタート時点を把握すること
ができる。船舶用の場合。
In addition, for ships, it is possible to measure the oil immediately after sampling or to install it in a refining facility to determine the degree of regeneration of degraded lubricating oil or the starting point of regeneration. For ships.

船一杯につき200Q前後の潤滑油が用いられる。Approximately 200Q of lubricating oil is used per ship.

また、水分を測定するということは、その油の劣化の度
合をも間接的に把握することにもなる。
Measuring moisture also indirectly determines the degree of deterioration of the oil.

通常測定の対象となる水分量は0.5%以下の場合が多
い。
The moisture content that is normally measured is often 0.5% or less.

測定の温度は、0℃〜100℃前後の場合が通常である
The measurement temperature is usually around 0°C to 100°C.

油中の水分が、極めて少ない場合は、測定対象の油を一
定の容器内に配置せしめ、ガスセンサの周囲にマイクロ
ポーラスフィルターを配置した検知素子を配置し、油表
面を均等に加圧し、水蒸気がマイクロポーラスフィルタ
ーを選択的に通過し易いタイプとすることができる。
If the water content in the oil is extremely low, place the oil to be measured in a certain container, place a detection element with a microporous filter around the gas sensor, and evenly pressurize the oil surface to prevent water vapor. It can be of a type that can selectively pass through a microporous filter.

また、これ等の装置は、防爆型としておくことが好まし
い。
Further, it is preferable that these devices be explosion-proof.

以上のように本発明を用いることにより、以下の効果を
得ることができる。
By using the present invention as described above, the following effects can be obtained.

充」B榎裏米 (1)油中の水分が迅速にかつ精度良く測定することが
できる。
Mitsuru'B Enoki Uramai (1) Moisture in oil can be measured quickly and with high accuracy.

(2)油の劣化を早期に発見できるため、設備機器の保
安、ひいては交通安全上の意義がある。
(2) Oil deterioration can be detected early, which is significant in terms of equipment security and traffic safety.

(3)油の再生において、再生スタート時、完了時の把
握に便利である。
(3) In oil regeneration, it is convenient to know when regeneration starts and when regeneration is completed.

実施例1 第1図をもって本発明の詳細な説明する。Example 1 The present invention will be explained in detail with reference to FIG.

潤滑油(1)中の水分を測定するため、アルミナ基台(
6)にガスセンサ(3)を設置し、その側面をセラミッ
クフィルター(4)で囲んだものを用いた。
In order to measure the moisture in lubricating oil (1), an alumina base (
6) was equipped with a gas sensor (3) and its sides were surrounded by a ceramic filter (4).

ガスセンサは、SnO,+Pdを用いて行った。The gas sensor used was SnO and +Pd.

油中の水分が、セラミックフィルター(AI。The water in the oil is removed by a ceramic filter (AI).

03製の細孔径が平均400人のもの)に囲まれた水蒸
気を検知することにより0.8重量%であることを実際
の油中の水分の直接分析値との変換値により迅速に求め
ることができた。
By detecting the water vapor surrounded by the 0.03 pore size (with an average pore size of 400 people), it was possible to quickly determine that the water content was 0.8% by weight by converting the value from the direct analysis of the actual water content in the oil. was completed.

尚、8+11定は、リード線(5)から、結線された回
路により測定した。装置は、防爆タイプとした。
The 8+11 constant was measured using a circuit connected from the lead wire (5). The equipment was explosion-proof.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は、本発明の実施態様を示す。 j−はdt1滑浦、2はサーミスタ方式のセンサ一部、
;3はガスセンサー、4はポーラスフィルター、6はノ
1(板である。
FIG. 1 shows an embodiment of the invention. j- is dt1 nameura, 2 is part of the thermistor type sensor,
3 is a gas sensor, 4 is a porous filter, and 6 is a plate.

Claims (5)

【特許請求の範囲】[Claims] (1)ガスセンサの周囲にマイクロポーラスフィルター
を配置し、油中の水分を検出することを特徴とする油中
水分の検出法。
(1) A method for detecting moisture in oil, which is characterized by arranging a microporous filter around a gas sensor and detecting moisture in oil.
(2)ガスセンサが、電気抵抗式又は、非電気抵抗式か
らなるものであることを特徴とする特許請求の範囲第1
項記載の油中水分の検出法。
(2) Claim 1, characterized in that the gas sensor is of an electrical resistance type or a non-electric resistance type.
Method for detecting moisture in oil as described in Section 1.
(3)マイクロポーラスフィルターが、樹脂性あるいは
、セラミック性、多孔ガラス、多孔金属であることを特
徴とする特許請求の範囲第1項記載の油中水分の検出法
(3) The method for detecting water in oil according to claim 1, wherein the microporous filter is made of resin, ceramic, porous glass, or porous metal.
(4)油が、自動車用又は、船舶用潤滑油であることを
特徴とする特許請求の範囲第1項記載の油中水分の検出
法。
(4) The method for detecting moisture in oil according to claim 1, wherein the oil is lubricating oil for automobiles or ships.
(5)ガスセンサの周囲にマイクロポーラスフィルター
を配置し、潤滑油中の水分データが、自動車の運転席で
把握できることからなることを特徴とする油中水分の検
出装置。
(5) A detection device for moisture in oil, characterized in that a microporous filter is arranged around a gas sensor so that moisture data in lubricating oil can be grasped from the driver's seat of an automobile.
JP9131586A 1986-04-22 1986-04-22 Method and instrument for detecting moisture in oil Pending JPS62249045A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9131586A JPS62249045A (en) 1986-04-22 1986-04-22 Method and instrument for detecting moisture in oil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9131586A JPS62249045A (en) 1986-04-22 1986-04-22 Method and instrument for detecting moisture in oil

Publications (1)

Publication Number Publication Date
JPS62249045A true JPS62249045A (en) 1987-10-30

Family

ID=14023031

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9131586A Pending JPS62249045A (en) 1986-04-22 1986-04-22 Method and instrument for detecting moisture in oil

Country Status (1)

Country Link
JP (1) JPS62249045A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010039345A1 (en) * 2008-09-30 2010-04-08 Qualitrol Company, Llc Hydrogen sensor with air access
US8511160B2 (en) 2011-03-31 2013-08-20 Qualitrol Company, Llc Combined hydrogen and pressure sensor assembly
US8707767B2 (en) 2011-03-31 2014-04-29 Qualitrol Company, Llc Combined hydrogen and pressure sensor assembly
US8839658B2 (en) 2011-03-31 2014-09-23 Qualitrol Company, Llc Combination of hydrogen and pressure sensors

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010039345A1 (en) * 2008-09-30 2010-04-08 Qualitrol Company, Llc Hydrogen sensor with air access
CN102165310A (en) * 2008-09-30 2011-08-24 夸利特洛尔有限公司 Hydrogen sensor with air access
US8028561B2 (en) 2008-09-30 2011-10-04 Qualitrol Company, Llc Hydrogen sensor with air access
US8511160B2 (en) 2011-03-31 2013-08-20 Qualitrol Company, Llc Combined hydrogen and pressure sensor assembly
US8707767B2 (en) 2011-03-31 2014-04-29 Qualitrol Company, Llc Combined hydrogen and pressure sensor assembly
US8839658B2 (en) 2011-03-31 2014-09-23 Qualitrol Company, Llc Combination of hydrogen and pressure sensors

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