JPS62175655A - Moisture detector - Google Patents
Moisture detectorInfo
- Publication number
- JPS62175655A JPS62175655A JP1688486A JP1688486A JPS62175655A JP S62175655 A JPS62175655 A JP S62175655A JP 1688486 A JP1688486 A JP 1688486A JP 1688486 A JP1688486 A JP 1688486A JP S62175655 A JPS62175655 A JP S62175655A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- moisture
- hygroscopic
- connection
- detector
- 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
- 239000003086 colorant Substances 0.000 claims abstract description 18
- 230000035699 permeability Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 12
- 239000002184 metal Substances 0.000 abstract description 12
- 230000005856 abnormality Effects 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 2
- 238000012856 packing Methods 0.000 abstract 1
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000007654 immersion Methods 0.000 description 7
- 238000002845 discoloration Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Cable Accessories (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、湿度検出器、特に通信ケーブルの接続部に適
用する湿度検出器に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a humidity detector, particularly to a humidity detector applied to a connection portion of a communication cable.
（従来の技術）
非ガス保安区間に適用する通信ケーブルの接続部には、
通常、湿度の検出は行っていないが、浸水検出器を設置
している。従来、この種の浸水検出器は、第４図（ａ）
、（ｂ）に示すように、リード線１．１′の接続部２の
絶縁板３に浸水検出器５用の電極４，４′が設置されて
おり、この部分に浸水があると、電極４．４′間の電気
抵抗が低くなるので、これによって浸水を検出していた
。(Prior art) At the connection part of the communication cable applied to the non-gas safe section,
Normally, humidity is not detected, but water intrusion detectors are installed. Conventionally, this type of water immersion detector is shown in Fig. 4(a).
, (b), electrodes 4, 4' for the water immersion detector 5 are installed on the insulating plate 3 of the connection part 2 of the lead wire 1.1', and if water enters this part, the electrodes Since the electrical resistance between 4 and 4' becomes low, water intrusion was detected by this.
しかしこの従来の浸水検出器を通信ケーブルの接続部に
適用するには、ケーブル内に浸水検出器用の心線が必要
となる。However, in order to apply this conventional water immersion detector to a connection portion of a communication cable, a core wire for the water immersion detector is required within the cable.
また接続部が多くなると、監視のためのシステムが太き
（なり、大がかりな端末器等が必要となる。Furthermore, as the number of connections increases, the monitoring system becomes bulkier (and requires large-scale terminal equipment, etc.).
さらに浸水は検出できるが、湿度検出には必ずしも適当
でないなどの欠点があった。Furthermore, although it can detect water intrusion, it is not necessarily suitable for detecting humidity.
（発明が解決しようとする問題点）
本発明は前述の欠点を除去した、通信ケーブルの接続部
の湿度を容易、かつ簡単に検出できる湿度検出器を提供
することにある。(Problems to be Solved by the Invention) An object of the present invention is to provide a humidity detector that eliminates the above-mentioned drawbacks and can easily and easily detect the humidity at the connection portion of a communication cable.
（問題点を解決するための手段）
本発明の湿度検出器は、一方の管端が閉塞され、他方の
管端は外気が流通可能に開口された透明管の中に、吸湿
性着色剤を充填し、該吸湿性着色剤と開口された管端と
の間に、通気性を有する多孔質体を設置した構成とする
。(Means for Solving the Problems) The humidity detector of the present invention has a hygroscopic colorant placed in a transparent tube with one tube end closed and the other tube end open to allow outside air to flow through. A porous body having air permeability is installed between the hygroscopic colorant and the open end of the tube.
（作 用）
本発明の湿度検出器は、以上のように構成されているか
ら、検出器の透明管外の空気は、外気流通口から管内の
多孔質体を通って吸湿性着色剤と接触するから、外気中
の湿度の程度は、その吸湿性着色剤の着色度の変化によ
って、直ちに検出できる。(Function) Since the humidity detector of the present invention is configured as described above, the air outside the transparent tube of the detector passes through the porous body inside the tube from the outside air outlet and comes into contact with the hygroscopic colorant. Therefore, the degree of humidity in the outside air can be immediately detected by the change in the degree of coloring of the hygroscopic colorant.
（実施例）
第１図は本発明の一実施例の概略構成を示す断面図であ
って、６はガラスなどの透明管（両端開放）、７は透明
管６の上部開口側に冠着させた蓋、８は透明管６の下部
開口側内壁面に装着した外気導入金属管である。Ｍ７お
よび金属管８はそれぞれ接着剤９によって透明管６に接
続されている。(Embodiment) FIG. 1 is a sectional view showing a schematic configuration of an embodiment of the present invention, in which 6 is a transparent tube made of glass or the like (both ends open), and 7 is a transparent tube 6 with a cap attached to the upper opening side. The lid 8 is a metal tube for introducing outside air attached to the inner wall surface of the transparent tube 6 on the lower opening side. M7 and metal tube 8 are each connected to transparent tube 6 by adhesive 9.
そして金属管８側に、通気性を有する多孔質体１０が設
置され、透明管６内には、たとえばシリカゲルなどの吸
湿着色剤１１が充填されている。A porous body 10 having air permeability is installed on the metal tube 8 side, and the inside of the transparent tube 6 is filled with a hygroscopic coloring agent 11 such as silica gel.
吸湿着色剤には、前述したシリカゲルなどの粉体のほか
、塩化コバルト、塩化コバルトと酸化アルミニウムの混
合粉体またはこれらの粉体をウレタンコンバンドに混入
して硬化したものなども使用される。In addition to the silica gel powder described above, cobalt chloride, a mixed powder of cobalt chloride and aluminum oxide, or a mixture of these powders mixed into a urethane band and cured can also be used as the hygroscopic colorant.
前述の実施例の湿度検出器１２は、以上のように構成さ
れているから、金属管８側開口端から外気の湿気が侵入
すると、吸湿着色剤１１は開口端側から徐々に変色する
から、透明管６の外部から変色具合を確かめることがで
きる。Since the humidity detector 12 of the above embodiment is configured as described above, when moisture from the outside air enters from the open end on the metal tube 8 side, the hygroscopic colorant 11 gradually changes color from the open end side. The degree of discoloration can be checked from the outside of the transparent tube 6.
次に湿度検出器１２を通信ケーブル１３の接続部１４に
使用した例を第２図（ａ）、（ｂ）に示す。第２図（ａ
）は通信線ケーブル接続部１５の要部の部分断面図であ
り、第２図（ｂ）は第２図（ａ ）のｘ−ｘ’における
断面図である。Next, an example in which the humidity detector 12 is used at the connection part 14 of the communication cable 13 is shown in FIGS. 2(a) and 2(b). Figure 2 (a
) is a partial cross-sectional view of the main part of the communication line cable connection section 15, and FIG. 2(b) is a cross-sectional view taken along line xx' in FIG. 2(a).
第２図Ｃａ）、（ｂ）において、１６ａは通信ケーブル
１４の接続部１５を保護する上側接続ケース、１６ｂは
下側接続ケースであり、湿度検出器１２は上側接続ケー
ス１６ａに装着用金具１７で装着される。In Fig. 2 Ca) and (b), 16a is an upper connection case that protects the connection part 15 of the communication cable 14, 16b is a lower connection case, and the humidity detector 12 is attached to the upper connection case 16a with a mounting bracket 17. It is installed in
そして、接続ケース１６ａ 、 １６ｂはフランジで向
い合うようにガスケット１８で接続され、ボルト１９で
締め付けられ、防水構造に組み立てられる。２０は接続
ケース１６ａ 、 １６ｂと通信ケーブル１４の間の防
水用ゴムチューブであり、２１は通信ケーブルの心線接
続部である。The connecting cases 16a and 16b are connected by a gasket 18 so as to face each other at flanges, and are tightened with bolts 19 to form a waterproof structure. 20 is a waterproof rubber tube between the connection cases 16a, 16b and the communication cable 14, and 21 is a core connection portion of the communication cable.
湿度検出器１２を接続ケース１６ａに装着すると、湿度
検出器の金属管８の開口から湿気が侵入したとき、ガラ
ス管６の中の吸湿着色剤１１は金属管８側から徐々に変
色するので、接続ケース内の湿度に異常があること、Ｊ
なわち通信ケーズルのシース部に何か以上があることを
知ることができる。When the humidity detector 12 is attached to the connection case 16a, when moisture enters through the opening of the metal tube 8 of the humidity detector, the hygroscopic colorant 11 in the glass tube 6 gradually changes color from the metal tube 8 side. There is an abnormality in the humidity inside the connection case, J
In other words, it can be known that something is missing in the sheath of the communication case.
参考のため、シリカゲルを使用したときの湿度による湿
度検出器（ガラス管６は長さ６Ｇ、直径８ｍｍφである
。）内の変色具合を、時間の経過に対応して金属管側か
ら計測（ｍｍ単位）した結果を第３図に示す。For reference, the degree of discoloration inside the humidity detector (glass tube 6 has a length of 6G and a diameter of 8 mmφ) due to humidity when using silica gel was measured from the metal tube side over time (mm The results are shown in Figure 3.
第３図から、時間対吸湿着色剤の変色ｍの関係は正比例
の関係を示し、湿度が大きくなると、吸湿着色剤の変色
間が速く増加するので、接続ケース内の湿気の程度を知
ることができる。From Figure 3, the relationship between the time and the discoloration m of the hygroscopic colorant shows a direct proportional relationship, and as the humidity increases, the discoloration of the hygroscopic colorant increases rapidly, so it is difficult to know the degree of moisture inside the connection case. can.
（発明の効果）
以上の説明から明らかなように、本発明の湿度検出器を
通信ケーブルの接続部に適用１れば、接続ケースの外側
からでも容易に吸湿着色剤の変色を知ることができるの
で、従来の浸水検出器を利用したものに比べて、大がか
りな監視システムが不要になる。(Effects of the Invention) As is clear from the above explanation, if the humidity detector of the present invention is applied to the connection part of a communication cable, it is possible to easily detect the discoloration of the hygroscopic colorant even from the outside of the connection case. This eliminates the need for a large-scale monitoring system compared to systems that use conventional water immersion detectors.
またケーブルにセンサ用の心線を必要としない。Furthermore, the cable does not require a core wire for the sensor.
ざらに本発明の湿度検出器は、通信ケーブルの接続部だ
けでなく、他の密閉空間内に取り付ければ、その空間内
の湿度の進行状態を容易に知ることができる利点がある
。In general, the humidity detector of the present invention has the advantage that if it is installed not only at a connection part of a communication cable but also inside another closed space, the progress state of humidity in that space can be easily known.
第１図は本発明の湿度検出器の一実施例の概略構成を示
す断面図、
第２図（ａ ）は本発明の湿度検出器の使用例を示す通
信ケーブルの接続部の要部の部分断面図、第２図（ｂ）
は第２図＜ａ ＞のｘ−ｘ’ における断面図、
第３図は本発明の湿度検出器の湿度による検出器内の吸
湿着色剤の変化を示す特性図、第４図（ａ ）および第
４図（ｂ）はそれぞれ通信ケーブルの接続部の浸水状態
を検出する従来の浸水検出器の概略構成を示す正面図お
よび側面図である。
６・・・ガラス管 ７・・・蓋
８・・・金属管 １０・・・通気性を有する多孔
質体１１・・・吸湿着色剤 １２・・・湿度検出器１
３・・・ねじ １４・・・通信ケーブル１５・
・・通信ケーブル接続部
１６ａ 、 １６ｂ ・−・接続ケース１７・・・湿度
検出器装着用金具
１８・・・ガスケット １９・・・ボルト２０・・・
ゴムチューブ
２１・・・通信ケーブルの心線接続部
第１図
第２図（ｂ＞
第４図
（ａ）（ｂ）FIG. 1 is a sectional view showing a schematic configuration of an embodiment of the humidity detector of the present invention, and FIG. 2(a) is a main part of a connection part of a communication cable showing an example of use of the humidity detector of the present invention. Cross-sectional view, Figure 2(b)
is a cross-sectional view taken along line x-x' of FIG. FIG. 4(b) is a front view and a side view, respectively, showing a schematic configuration of a conventional water immersion detector for detecting a water immersion state at a connecting portion of a communication cable. 6...Glass tube 7...Lid 8...Metal tube 10...Porous body having air permeability 11...Moisture-absorbing colorant 12...Humidity detector 1
3...Screw 14...Communication cable 15.
...Communication cable connection parts 16a, 16b...Connection case 17...Humidity detector mounting fittings 18...Gasket 19...Bolts 20...
Rubber tube 21... Core wire connection part of communication cable Fig. 1 Fig. 2 (b> Fig. 4 (a) (b)
Claims (1)
能に開口された透明管の中に、吸湿性着色剤が充填され
ており、該吸湿性着色剤と開口された管端との間に、通
気性を有する多孔質体が設置されていることを特徴とす
る湿度検出器。1. A transparent tube with one tube end closed and the other tube end open to allow outside air to flow through is filled with a hygroscopic colorant, and the hygroscopic colorant and the open tube end A humidity detector characterized in that a porous body having air permeability is installed between the humidity detector and the humidity detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1688486A JPS62175655A (en) | 1986-01-30 | 1986-01-30 | Moisture detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1688486A JPS62175655A (en) | 1986-01-30 | 1986-01-30 | Moisture detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62175655A true JPS62175655A (en) | 1987-08-01 |
Family
ID=11928596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1688486A Pending JPS62175655A (en) | 1986-01-30 | 1986-01-30 | Moisture detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62175655A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130247723A1 (en) * | 2002-08-12 | 2013-09-26 | Wagic, Inc. | Customizable light bulb changer |
| US9627191B2 (en) | 2009-09-17 | 2017-04-18 | Wagic, Inc. | Extendable multi-tool including interchangable light bulb changer and accessories |
-
1986
- 1986-01-30 JP JP1688486A patent/JPS62175655A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130247723A1 (en) * | 2002-08-12 | 2013-09-26 | Wagic, Inc. | Customizable light bulb changer |
| US8869655B2 (en) * | 2002-08-12 | 2014-10-28 | Wagic, Inc. | Customizable light bulb changer |
| US9679760B2 (en) | 2002-08-12 | 2017-06-13 | Wagic, Inc. | Customizable light bulb changer |
| US9627191B2 (en) | 2009-09-17 | 2017-04-18 | Wagic, Inc. | Extendable multi-tool including interchangable light bulb changer and accessories |
| US10371360B2 (en) | 2009-09-17 | 2019-08-06 | Wagic, Inc. | Extendable multi-tool including interchangable light bulb changer and accessories |
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