JPS58101401A - Dew condensation sensor - Google Patents
Dew condensation sensorInfo
- Publication number
- JPS58101401A JPS58101401A JP56200115A JP20011581A JPS58101401A JP S58101401 A JPS58101401 A JP S58101401A JP 56200115 A JP56200115 A JP 56200115A JP 20011581 A JP20011581 A JP 20011581A JP S58101401 A JPS58101401 A JP S58101401A
- Authority
- JP
- Japan
- Prior art keywords
- dew condensation
- condensation sensor
- metal oxides
- raw material
- sintered body
- 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
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
【発明の詳細な説明】
本発明は、結露センナ、特に高湿度下においても安定な
動作をする結露センサに関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a dew condensation sensor, and particularly to a dew condensation sensor that operates stably even under high humidity.
近年におけるエレクトロニクスの発達は各分野にお社る
システム化九拍車をかけ、とすわσセンシングデノマイ
スの開発が一つの重要な１！１１となっている。The development of electronics in recent years has accelerated systemization in various fields, and the development of the Towa σ sensing denomise has become an important 1!11.
これらの一つに湿度の検出があるが、本発泡者等は、Ｔ
ｉ０１を主体とする各種金属酸化物焼結体の湿度センナ
へ応用について鋭意研究を行ない、これまでに、特開１
＠５５−Ｈ！３８０１号公報ＫＦされるようにＴｉ０１
を主体としＶ意Ｏｓｔ ０１〜１．６ ｍａｔ ％含む
半導体焼結体、さらＫａ特願昭５６−１３２１８２ Ｋ
よって提示したごとく、Ｔｉ１ｌを主体とし、５価の金
属酸化物のうち１種以上を０．１〜５ ｍｏｔＫ 、さ
らに１価の金属酸化物のうち１ｓ以上をＯｆ〜５ ｍｏ
ｌ、 Ｘ含有する焼結体において、感湿特性の優れ九セ
ンナ素子の可能となることを見出し九。One of these is the detection of humidity, and the present foamer et al.
We have been conducting intensive research on the application of various metal oxide sintered bodies, mainly i01, to humidity sensors, and have so far published JP-A-1
@55-H! Ti01 as per No. 3801 KF
Semiconductor sintered body mainly consisting of 01 to 1.6% of VOst, and also Ka patent application 1982-132182K
Therefore, as presented, Ti1l is the main component, one or more of the pentavalent metal oxides are added at 0.1 to 5 motK, and more than 1s of the monovalent metal oxides are added at Of to 5 motK.
It was discovered that a 9-Senna element with excellent moisture-sensing properties could be created in a sintered body containing L and X.
しかるＫ、近年の湿度センナへのニーズは用途の多様化
をもたらし、特に最近では家庭用ＶＴＲや自動車のリア
ウィンＰつその他、冷凍ショーケース等において、信頼
性の高い結露の検出が望１ｎるようになった。However, in recent years, the need for humidity sensors has led to diversification of applications, and in recent years, there has been a growing desire for highly reliable detection of condensation in household VCRs, automobile rear windows, refrigerator showcases, etc. Became.
このような現状に鑑み、発明者郷はさらに鋭意検討の結
果、Ｔｉ（％を主体とし、と九に５価の金属酸化物のう
ち１種以上をＯｆ〜５ ｍｏｌ Ｎ添加した混合原料か
、あるいは、これＫさらに１価の金属酸化物のうち１１
！１以上を０１〜５ ｍｏ４％添加した混合原料を使い
、焼成して得られる金属酸化物焼結体を湿度検出素子と
することにより、高湿度下において動作の再現性があり
、かつ安定した特性を有する結露センナが得られること
を見出したものであシ、今後、結露センサとして多方面
への応用が期待されるものと確信する。In view of this current situation, Inventor Go further conducted intensive studies and found that a mixed raw material containing Ti (%) as the main ingredient and at least 5 mol N of one or more pentavalent metal oxides was added. Alternatively, 11 of the monovalent metal oxides
! By using a mixed raw material containing 01 to 5 mo4% of 0.1 to 5 mo of 1 or more, and using the metal oxide sintered body obtained by firing as a humidity detection element, it has reproducible operation and stable characteristics under high humidity. We have discovered that it is possible to obtain a dew condensation sensor having the following characteristics, and we believe that it is expected that it will be used in many fields as a dew condensation sensor in the future.
以下に、実施例をもって、本発明の詳細な説明する。The present invention will be described in detail below with reference to Examples.
実施例
Ｔｉ偽に対してＶ、 ＯＩ と〜Ｌ ｉ ＠ ００ｇ
を第１表の配合となるようにエタノールにより湿式混合
を行ない、結露センナ用感湿原料を調製しえ。Example Ti vs. V, OI and ~L i @ 00g
A moisture-sensitive raw material for condensation senna was prepared by wet-mixing with ethanol so that the composition was as shown in Table 1.
第 １ 表
素子はムｕ−ＰＩ−Ｐｄ電極を＜ ＬｌｌＫｌｌ上たア
ルンナ基板上に、有機バインダーと混練した前記感湿原
料をスクリーン法により塗布し、空気中３５０℃前後で
有機バインダーを取り除いた後、ｓｅｅ℃で１時間焼成
することによって作製した。The device in Table 1 was prepared by applying the moisture-sensitive raw material kneaded with an organic binder by a screen method onto an Alanna substrate on which a mu-PI-Pd electrode was placed above LlllKll, and after removing the organic binder at around 350°C in air. , and was prepared by baking at 4°C for 1 hour.
次に上記素子に１２５℃で交流電圧１■を印加したとき
の、相対湿度と抵抗値の関係を測定し、その結果を第１
図に示す。ここで図中の試料記号は第１表と一致する。Next, when an AC voltage of 1 cm was applied to the above element at 125°C, the relationship between relative humidity and resistance value was measured, and the results were used as the first
As shown in the figure. Here, the sample symbols in the figure match those in Table 1.
第１図の結果から、上記構成による素子杜、結露状態下
において電気抵抗が絶縁状態からスイッチング的に低下
し、結露を鋭敏に感知していることが分かる。From the results shown in FIG. 1, it can be seen that in the device having the above-mentioned configuration, the electrical resistance decreases in a switching manner from the insulated state under dew condensation, and dew condensation is sensitively sensed.
さらに、従来の結露センサは結露に祉感じるがそれを予
測することが困難であつ九が、（４）及び（ロ）のよう
に相対湿［９０ｇ以上で急激に変化することＫより、感
知し４ルを結露以前に設定することも可能である。この
こと祉本結露センサの特徴である。Furthermore, conventional dew condensation sensors sense dew condensation, but it is difficult to predict it. It is also possible to set 4 ru before dew condensation occurs. This is a feature of the Kyuhon dew condensation sensor.
第２図は結露時応答特性であって、前記（鴫の素子を一
１５℃の状態で１時間保持し先後、これを温［２５℃（
相対湿ｆ７５Ｎ）中へ取り出して１００Ｘ結露させた場
合が示されている。Figure 2 shows the response characteristics during dew condensation.
The case where the sample was taken out into a room with a relative humidity of f75N and subjected to 100X dew condensation is shown.
この結果から、取り出した後１分以内に抵抗値が１０１
（Ω）以下にな）、喪好な応答特性が得られることが分
かった。From this result, the resistance value increased to 101 within 1 minute after taking it out.
(Ω) or less), it was found that favorable response characteristics were obtained.
なお、実施例でＦｉｓ価の金属酸化物としてＶ、 Ｏ，
を、また１価の金属酸化物としてはＬＪ、 ０を用いた
例について説明したが、帥者についてはＮｂｌ ＯＨ、
Ｔａｇ ＯＨ、Ａｓｈ ＯＨ％後者についてはＫｓＱＮ
幻Ｏを使用しても同様の効果が得られるものである。In addition, in the examples, V, O,
In addition, we have explained an example using LJ, 0 as the monovalent metal oxide, but as for the master, Nbl OH,
Tag OH, Ash OH% KsQN for the latter
A similar effect can be obtained by using Phantom O.
以上説明し九如く、本発明による結露センナは結露状態
での電気抵抗のスイッチング特性が顕著であり１安定し
た特性を有するので、現在、自動車用リアウィンドーや
家庭用ＶＴＲなど多くの分野で望まれている結露センナ
として好適であり、自動制御の技術分野に貢献するとこ
ろ大であると確信する。As explained above, the dew condensation sensor according to the present invention has remarkable and stable electrical resistance switching characteristics in the state of dew condensation, and is currently desired in many fields such as automobile rear windows and home VTRs. It is suitable as a dew condensation sensor, and we are confident that it will make a great contribution to the technical field of automatic control.
第１図はＴｉ偽に対して所定の割合でＶ、 Ｏ。
Ｌｉ１ＯＯ１を混合して焼成した場合の結露センサの相
対湿度−抵抗値特性図、
第２図社結露センサの結露時応答特性である。
第１ＩＩ
ネＳり才４＋ （九）−一一命
第２１１
時Ｆｌｆｌ （４ｒ） →Figure 1 shows V and O at predetermined ratios for Ti false. FIG. 2 is a relative humidity-resistance characteristic diagram of a dew condensation sensor when Li1OO1 is mixed and fired; FIG. 2 is a response characteristic of the company's dew condensation sensor during dew condensation. 1II NES 4+ (9) - 11th Life 211th Flfl (4r) →
Claims (2)
物のうち１種以上を６１〜５ ｍｏＡ Ｘ添加した混合
原料を使い焼成して得られる金属酸化物焼結体を検出素
子とすることを特徴とする結露センナ。(1) A metal oxide sintered body obtained by firing a mixed raw material mainly composed of Ti01 and to which one or more metal oxides having a KS value of 61 to 5 moA X is used as a detection element. Features condensation senna.
うち１種以上を０．１〜＠ ｍｏｔＸと、さらに１価の
金属酸化物のうち１種以上をＯｆ〜！＄ｍａｔ Ｘ添加
した混合原料を使い焼成して得られ１金属酸化物焼結体
を検出素子とすることを特徴とする結露センナ。(2) Mainly TIO, one or more of the metal oxides with a KS valence of 0.1~@motX, and one or more of the monovalent metal oxides of ~! A dew condensation sensor characterized in that a detection element is a single metal oxide sintered body obtained by firing a mixed raw material containing $mat X.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56200115A JPS58101401A (en) | 1981-12-14 | 1981-12-14 | Dew condensation sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56200115A JPS58101401A (en) | 1981-12-14 | 1981-12-14 | Dew condensation sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58101401A true JPS58101401A (en) | 1983-06-16 |
Family
ID=16419073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56200115A Pending JPS58101401A (en) | 1981-12-14 | 1981-12-14 | Dew condensation sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58101401A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61154001A (en) * | 1984-12-26 | 1986-07-12 | 日本セメント株式会社 | Moisture sensitive resistor |
| JPS61164202A (en) * | 1985-01-17 | 1986-07-24 | 日本セメント株式会社 | Manufacture of moisture-sensitive resistor |
| JPS6376401A (en) * | 1986-09-19 | 1988-04-06 | 秩父セメント株式会社 | Humidity sensor |
-
1981
- 1981-12-14 JP JP56200115A patent/JPS58101401A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61154001A (en) * | 1984-12-26 | 1986-07-12 | 日本セメント株式会社 | Moisture sensitive resistor |
| JPH058561B2 (en) * | 1984-12-26 | 1993-02-02 | Nihon Cement | |
| JPS61164202A (en) * | 1985-01-17 | 1986-07-24 | 日本セメント株式会社 | Manufacture of moisture-sensitive resistor |
| JPS6376401A (en) * | 1986-09-19 | 1988-04-06 | 秩父セメント株式会社 | Humidity sensor |
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