JPH023163Y2 - - Google Patents
Info
- Publication number
- JPH023163Y2 JPH023163Y2 JP5019881U JP5019881U JPH023163Y2 JP H023163 Y2 JPH023163 Y2 JP H023163Y2 JP 5019881 U JP5019881 U JP 5019881U JP 5019881 U JP5019881 U JP 5019881U JP H023163 Y2 JPH023163 Y2 JP H023163Y2
- Authority
- JP
- Japan
- Prior art keywords
- hydrogen gas
- insulating oil
- chamber
- pipe
- oil
- 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.)
- Expired
Links
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 55
- 238000001514 detection method Methods 0.000 claims description 21
- 238000005192 partition Methods 0.000 claims description 9
- 238000000638 solvent extraction Methods 0.000 claims 1
- 239000012528 membrane Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 6
- 230000005856 abnormality Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 229920005597 polymer membrane Polymers 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
【考案の詳細な説明】
本考案は絶縁油中に溶存する水素ガスを検知す
る改良された油中水素ガス検知装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improved hydrogen gas in oil detection device for detecting hydrogen gas dissolved in insulating oil.
変圧器内で局部過熱、放電などの異常が発生す
ると、その異常部近くの絶縁油、紙などが分解し
て各種のガスを発生し、これらが油に溶けて存在
する。従つてこの現象に着目して油中ガスを分折
すれば、事故に進展する前に内部異常を早期に診
断することができる。この手法は、変圧器から絶
縁油を採取して油中のガス成分を抽出し、さらに
このガスをガスクロマトグラフイで定量分析する
もので、現在広く用いられているが、その作業が
かなり繁雑であり、労力、時間も要する。これを
改善するために、高分子膜のガス透過性を応用
し、この高分子膜を絶縁油に直接接するように設
けて油中の水素ガスを高分子膜を透過させて絶縁
油から分離させるようにした変圧器の油中水素ガ
ス検知装置が考案されている。 When an abnormality such as local overheating or electrical discharge occurs within a transformer, insulating oil, paper, etc. near the abnormality decompose and generate various gases, which are dissolved in the oil. Therefore, by focusing on this phenomenon and separating the gas in the oil, it is possible to diagnose internal abnormalities at an early stage before they develop into an accident. This method collects insulating oil from a transformer, extracts the gas components in the oil, and then quantitatively analyzes this gas using gas chromatography. Although it is currently widely used, the process is quite complicated. Yes, it takes effort and time. In order to improve this, we applied the gas permeability of a polymer membrane and installed this polymer membrane in direct contact with the insulating oil, allowing the hydrogen gas in the oil to permeate through the polymer membrane and separate it from the insulating oil. A hydrogen gas detection device in oil for a transformer has been devised.
この種の油中水素ガス検知装置は第１図に示す
ように、絶縁油１ａを満たした変圧器本体１にバ
ルブ２を介して絶縁油チヤンバ３を接続し、この
絶縁油チヤンバ３にテフロン、ポリイミドのよう
な高分子部材により形成された透過膜４を介して
水素ガス検知チヤンバ５を接続して構成されるも
ので、絶縁油１ａはバルブ２を開くことにより、
透過膜４によつて仕切られた絶縁油チヤンバ３内
に充満される。なお透過膜４は両側に設けられた
補強部材６ａ，６ｂによつて支えられている。 As shown in FIG. 1, this type of hydrogen gas detection device in oil connects an insulating oil chamber 3 to a transformer body 1 filled with insulating oil 1a via a valve 2. It is constructed by connecting a hydrogen gas detection chamber 5 through a permeable membrane 4 made of a polymer material such as polyimide, and the insulating oil 1a is supplied by opening the valve 2.
The insulating oil chamber 3 partitioned by the permeable membrane 4 is filled with the insulating oil. Note that the permeable membrane 4 is supported by reinforcing members 6a and 6b provided on both sides.
絶縁油チヤンバ３の絶縁油中に溶存する水素ガ
スは密度が最も小さいので、透過膜４を除々に透
過し、密閉された水素ガス検知チヤンバ５内部に
移行する。その結果、水素ガス検知チヤンバ５内
部は水素ガス濃度が増大するので、水素ガス検知
チヤンバ５内部に設けられた半導体センサからな
る水素ガス検知センサ７ａ及び水素ガス検知装置
７ｂによつてその水素ガス量を検知することがで
きる。 Since the hydrogen gas dissolved in the insulating oil of the insulating oil chamber 3 has the lowest density, it gradually permeates the permeable membrane 4 and moves into the sealed hydrogen gas detection chamber 5 . As a result, the hydrogen gas concentration inside the hydrogen gas detection chamber 5 increases, so that the hydrogen gas amount is determined by the hydrogen gas detection sensor 7a and the hydrogen gas detection device 7b, which are semiconductor sensors provided inside the hydrogen gas detection chamber 5. can be detected.
この場合、絶縁油１ａ中の水素ガス濃度と水素
ガス検知チヤンバ５内部の水素ガス濃度との平衡
関係は500ppm対１％程度であるので、原理的に
はこの透過膜４による方法で、絶縁油中の水素ガ
スを検知できる。 In this case, since the equilibrium relationship between the hydrogen gas concentration in the insulating oil 1a and the hydrogen gas concentration inside the hydrogen gas detection chamber 5 is about 500 ppm to 1%, in principle, the method using the permeable membrane 4 Hydrogen gas inside can be detected.
しかし、透過膜４のガス透過性は極めて緩漫で
ある。透過膜４の面積を大きくすれば、透過を速
くすることができるが、例えば100cm2程度の面積
にしても透過に数100時間を要し、常時検知装置
といつても、実質的には別に絶縁油を採取して分
析するより、検知が遅くなるという不具合点があ
つた。また、透過膜４の前後に補強部材６ａ，６
ｂが設けられているが、耐真空性や長期的機械強
度に大きな不安があり、万一破断するようなこと
があれば、変圧器としては致命傷となり、変圧器
の信頼性を損なうおそれがある。 However, the gas permeability of the permeable membrane 4 is extremely slow. If the area of the permeable membrane 4 is increased, the permeation can be made faster, but even if the area is about 100 cm 2 , for example, it will take several hundred hours for permeation, and even if it is called a constant detection device, it will not be practical. The problem was that detection was slower than sampling and analyzing insulating oil. Further, reinforcing members 6a, 6 are provided before and after the permeable membrane 4.
b, but there are major concerns about its vacuum resistance and long-term mechanical strength, and if it were to break, it would be fatal to the transformer and could damage the reliability of the transformer. .
本考案は上記の点を考慮してなされたもので、
その目的とするところは、水素ガスの透過速度を
大幅に増加し、機械的に信頼頭のある油中水素ガ
ス検知装置を提供することにある。 This invention was made taking the above points into consideration.
The purpose is to provide a mechanically reliable hydrogen gas detection device in oil that significantly increases the permeation rate of hydrogen gas.
以下、本考案を図面に示す一実施例を参照して
説明する。第２図において、変圧器本体１にバル
ブ２介して絶縁油チヤンバ３を接続し、またこの
絶縁油チヤンバ３にパツキング８を介して仕切板
９を気密に接続する。仕切板９には水素ガスチヤ
ンバ５が溶着されて一体に形成されており、この
水素ガスチヤンバ５内部には半導体センサからな
る水素ガスセンサ７ａが設けられている。この水
素ガスセンサ７ａは外部に配設された水素ガス検
知装置７ｂに接続されている。なお水素ガスチヤ
ンバ５にはバルブ１０を有する通気口１１が設け
られている。 Hereinafter, the present invention will be described with reference to an embodiment shown in the drawings. In FIG. 2, an insulating oil chamber 3 is connected to the transformer body 1 through a valve 2, and a partition plate 9 is hermetically connected to the insulating oil chamber 3 through a packing 8. A hydrogen gas chamber 5 is integrally welded to the partition plate 9, and a hydrogen gas sensor 7a made of a semiconductor sensor is provided inside the hydrogen gas chamber 5. This hydrogen gas sensor 7a is connected to a hydrogen gas detection device 7b disposed outside. Note that the hydrogen gas chamber 5 is provided with a vent 11 having a valve 10.
一方、仕切板９には、少くとも１個のパイプ１
２が取付けられている。このパイプ１２は、テフ
ロンあるいはポリイミドのような高分子部材から
なるパイプをＵ字状に折曲げ、屈曲部と直線部と
からなるパイプ本体１２ａを絶縁油チヤンバ３内
に配設し、パイプの開口部１２ｂは仕切板９を気
密に貫通して水素ガスチヤンバ５側に設けてい
る。このパイプ１２が仕切板９を貫通している部
分は、例えば接着剤によつて気密に接着されてい
る。 On the other hand, the partition plate 9 includes at least one pipe 1.
2 is installed. This pipe 12 is made by bending a pipe made of a polymer material such as Teflon or polyimide into a U-shape, and placing a pipe body 12a consisting of a bent part and a straight part in an insulating oil chamber 3, and opening the pipe. The portion 12b is provided on the hydrogen gas chamber 5 side, passing through the partition plate 9 in an airtight manner. A portion of the pipe 12 penetrating the partition plate 9 is hermetically bonded with, for example, an adhesive.
次に、このように構成した本考案の油中水素ガ
ス検知装置の作用効果について説明する。バルブ
２を開放して絶縁油チヤンバ３に測定する絶縁油
１ａを満たす。この絶縁油１ａに接しているパイ
プ１２は高分子部材から形成されているので、絶
縁油１ａ中に溶存している水素ガスはパイプ１２
の部材中を透過して中空部を通り、水素ガスチヤ
ンバ５の中に入る。従つて、水素ガスチヤンバ５
に内蔵された水素ガスセンサ７ａ及び水素ガス検
知装置７ｂによつてその透過された水素ガスを検
知することができる。 Next, the effects of the hydrogen gas detection device in oil of the present invention configured as described above will be explained. Open the valve 2 and fill the insulating oil chamber 3 with the insulating oil 1a to be measured. Since the pipe 12 that is in contact with the insulating oil 1a is made of a polymer material, the hydrogen gas dissolved in the insulating oil 1a is absorbed into the pipe 12.
The hydrogen gas passes through the member, passes through the hollow part, and enters the hydrogen gas chamber 5. Therefore, the hydrogen gas chamber 5
The permeated hydrogen gas can be detected by a hydrogen gas sensor 7a and a hydrogen gas detection device 7b built in.
例えばパイプ１２の直径を４mm、絶縁油チヤン
バ３側に突出した長さを10cmとすれば、パイプ１
２の表面積は（0.4cm×π）×（10cm×２）＝25.12
（cm2）であり、このようなパイプ１２が４個設け
られていれば、前述した従来の100cm2の透過膜に
相当する面積となる。したがつて、このパイプ１
２を40個設ければ前述の従来の実施例より10倍の
表面積が確保できる。その結果、水素ガスの透過
速度は10倍にすることができ、数10時間で水素ガ
スを透過させて、絶縁油チヤンバ３と水素ガスチ
ヤンバ５との水素ガスを平衡状態に到達させるこ
とができる。 For example, if the diameter of pipe 12 is 4 mm and the length protruding to the insulating oil chamber 3 side is 10 cm, pipe 1
The surface area of 2 is (0.4cm x π) x (10cm x 2) = 25.12
(cm 2 ), and if four such pipes 12 are provided, the area will be equivalent to the above-mentioned conventional permeable membrane of 100 cm 2 . Therefore, this pipe 1
If 40 pieces of 2 are provided, a surface area 10 times larger than that of the conventional embodiment described above can be secured. As a result, the permeation rate of hydrogen gas can be increased ten times, hydrogen gas can be permeated in several tens of hours, and the hydrogen gas in the insulating oil chamber 3 and the hydrogen gas chamber 5 can reach an equilibrium state.
また、パイプ１２は、標準の材料を安価に入手
できるとともに、パイプ状であるため耐真空性及
び機械的強度など著しく強固にでき、変圧器の信
頼性を向上できる。 Moreover, the pipe 12 can be obtained from standard materials at low cost, and since it is pipe-shaped, it can be extremely strong in terms of vacuum resistance and mechanical strength, and the reliability of the transformer can be improved.
なお上記一実施例では、パイプ１２の折曲部を
Ｕ字状として用いたが、これを図示しない螺旋状
としたり、直線状で絶縁油チヤンバ３側の端部を
溶着等により封止しても上記一実施例と同様の作
用と効果が得られる。 In the above embodiment, the bent portion of the pipe 12 is used in a U-shape, but it may be formed into a spiral shape (not shown), or may be straight and the end on the insulating oil chamber 3 side is sealed by welding or the like. Also, the same operation and effect as in the above embodiment can be obtained.
以上説明したように本考案の油中水素ガス検知
装置によれば、測定される絶縁油を収納した絶縁
油チヤンバと水素ガスセンサを設けた水素ガスチ
ヤンバとの間に設けられる仕切板に、少くとも１
個の高分子部材からなるパイプを、その開口部を
水素ガスチャンバ側に開口させ、他の部分を絶縁
油チヤンバ側に配設して気密に取付け、水素ガス
チヤンバ側に水素ガスセンサを設けることによ
り、絶縁油チヤンバ側と水素ガスチヤンバ側の水
素ガスの平衡到達時間を極めて短縮するように選
定することができるうえ、耐真空性及び機械的強
度を向上し、信頼性のある油中水素ガス検知装置
を提供することができる。 As explained above, according to the in-oil hydrogen gas detection device of the present invention, at least one
By installing a pipe made of polymeric material with its opening part open to the hydrogen gas chamber side, and placing the other part on the insulating oil chamber side, airtightly, and installing a hydrogen gas sensor on the hydrogen gas chamber side, The hydrogen gas detection device in oil can be selected to extremely shorten the time required to reach equilibrium between the hydrogen gas on the insulating oil chamber side and the hydrogen gas chamber side, and also has improved vacuum resistance and mechanical strength, and is reliable. can be provided.
第１図は従来の油中水素ガス検知装置を示す断
面図、第２図は本考案の油中水素ガス検知装置を
示す断面図である。
１……変圧器本体、１ａ……絶縁油、３……絶
縁油チヤンバ、５……水素ガスチヤンバ、７ａ…
…水素ガスセンサ、９……仕切板、１２……パイ
プ。
FIG. 1 is a sectional view showing a conventional hydrogen gas detection device in oil, and FIG. 2 is a sectional view showing a hydrogen gas detection device in oil according to the present invention. 1...Transformer body, 1a...Insulating oil, 3...Insulating oil chamber, 5...Hydrogen gas chamber, 7a...
...Hydrogen gas sensor, 9...Partition plate, 12...Pipe.
Claims (1)
センサを設けた水素ガスチヤンバと、この水素ガ
スチヤンバと前記絶縁油チヤンバとの間を気密に
仕切る仕切板と、この仕切板に取付けられた少な
くとも１個の高分子部材からなるパイプとからな
り、このパイプは前記仕切板を気密に貫通してそ
の開口部を前記水素ガスチヤンバ内に配置させ、
他の部分を前記絶縁油チヤンバ内に配設したこと
を特徴とする油中水素ガス検知装置。 an insulating oil chamber filled with insulating oil, a hydrogen gas chamber provided with a hydrogen gas sensor, a partition plate airtightly partitioning the hydrogen gas chamber and the insulating oil chamber, and at least one height plate attached to the partition plate. a pipe made of a molecular member, the pipe airtightly passing through the partition plate and having its opening disposed within the hydrogen gas chamber;
An in-oil hydrogen gas detection device characterized in that another part is disposed within the insulating oil chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5019881U JPH023163Y2 (en) | 1981-04-09 | 1981-04-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5019881U JPH023163Y2 (en) | 1981-04-09 | 1981-04-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57164459U JPS57164459U (en) | 1982-10-16 |
| JPH023163Y2 true JPH023163Y2 (en) | 1990-01-25 |
Family
ID=29846915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5019881U Expired JPH023163Y2 (en) | 1981-04-09 | 1981-04-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH023163Y2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8028561B2 (en) * | 2008-09-30 | 2011-10-04 | Qualitrol Company, Llc | Hydrogen sensor with air access |
| CN105723211B (en) * | 2013-09-12 | 2019-04-02 | 韩国科学技术院 | Hydrogen sensor element for measuring concentration of hydrogen gas dissolved in liquid and method for measuring concentration of hydrogen gas using hydrogen sensor element |
| JP5859159B1 (en) * | 2015-06-18 | 2016-02-10 | 株式会社ピュアロンジャパン | Method for continuously measuring hydrogen gas concentration and hydrogen gas concentration measuring apparatus used therefor |
| JP6611140B1 (en) | 2018-07-12 | 2019-11-27 | 株式会社ピュアロンジャパン | Dissolved gas measuring device |
-
1981
- 1981-04-09 JP JP5019881U patent/JPH023163Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57164459U (en) | 1982-10-16 |
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