JP2010043946A - Method for determining presence or absence of gas leak - Google Patents

Method for determining presence or absence of gas leak Download PDF

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JP2010043946A
JP2010043946A JP2008208158A JP2008208158A JP2010043946A JP 2010043946 A JP2010043946 A JP 2010043946A JP 2008208158 A JP2008208158 A JP 2008208158A JP 2008208158 A JP2008208158 A JP 2008208158A JP 2010043946 A JP2010043946 A JP 2010043946A
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gas
absence
determining
attached
bag body
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JP5288937B2 (en
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Shinji Oshima
伸二 大島
Toshinobu Matsumoto
敏信 松本
Tsuneo Tanihana
庸生 谷花
Tetsuji Yamachi
哲司 山地
Masashi Kiue
勝史 木上
Takayuki Matsuda
孝之 松田
Kenichi Oki
健一 大木
Masaichi Kinashi
正一 木梨
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Chugoku Electric Power Co Inc
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Chugoku Electric Power Co Inc
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Abstract

<P>PROBLEM TO BE SOLVED: To determine the presence or absence of a gas leak from a valve of a gas cylinder without requiring time and effort and at low cost. <P>SOLUTION: Under the condition being attached to the gas cylinder 10, an airtight space 36 is formed by a protective cover 30 comprising a tubular member 31 enclosing the valve 13 and a plate-shaped member 33 sectioning the space within the tubular member 31. A bag member 34 made of vinyl and rounded in a spiral state is connected to a hole 33A formed in the plate-shaped member 33. Since a gas leak occurring in the valve 13 of the gas cylinder 10 deforms the bag member 34, the presence or absence of a gas leak is determined on the basis of the shape of the bag member 34. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、例えば、ガスボンベなどの容器バルブなどの検査対象部材からの気体の漏れの有無を判定する方法に関する。   The present invention relates to a method for determining the presence or absence of gas leakage from a member to be inspected such as a container valve such as a gas cylinder.

ガスボンベの容器バルブからのガス漏れの有無の判定方法として、ガスボンベの口に取り付けられた金具の周囲に石鹸水を塗布する方法が知られている。この方法では、ガス漏れがある場合には、このガスにより石鹸水に泡が発生するため、泡が発生していた場合にはガス漏れが発生していると判定することができる。   As a method for determining the presence or absence of gas leakage from a container valve of a gas cylinder, a method of applying soapy water around a metal fitting attached to the mouth of the gas cylinder is known. In this method, when there is a gas leak, bubbles are generated in the soapy water by this gas. Therefore, when bubbles are generated, it can be determined that a gas leak has occurred.

また、他のガス漏れの有無の判定方法として、ガスボンベの重量を測定する方法が知られている。この方法では、ガスボンベの重量を測定し、重量が減少する場合には、ガス漏れが生じていると判定することができる。   As another method for determining the presence or absence of gas leakage, a method of measuring the weight of a gas cylinder is known. In this method, the weight of the gas cylinder is measured, and when the weight decreases, it can be determined that a gas leak has occurred.

また、他のガス漏れの有無の判定方法として、例えば、特許文献１には、ガスボンベの容器バルブ全体を覆うようにガス検出キャップを設置し、このガス検出キャップ内の気体をガス検知器に送り、ガス検知器により送られた気体にガスが含まれるか否かを判定することでガス漏れの有無を判定する方法が記載されている。
特開平１０−３３２０９８号公報 As another method for determining the presence or absence of gas leakage, for example, in Patent Document 1, a gas detection cap is installed so as to cover the entire container valve of the gas cylinder, and the gas in the gas detection cap is sent to the gas detector. The method of determining the presence or absence of gas leakage by determining whether or not the gas sent by the gas detector includes gas is described.
Japanese Patent Laid-Open No. 10-332098

しかしながら、容器バルブに石鹸水を塗布する方法や、重量を測定する方法では、人手や時間がかかり作業効率が悪い。また、特許文献１記載の方法では、ガス検知器が必要となるため、高額の費用がかかる。   However, in the method of applying soapy water to the container valve and the method of measuring the weight, manpower and time are required and work efficiency is poor. Moreover, in the method of patent document 1, since a gas detector is required, expensive expense starts.

本発明は、上記の問題に鑑みなされたものであり、その目的は、ガスボンベの容器バルブなど検査対象となる部位からの気体の漏れの有無の判定を、手間や時間をかけずに、廉価で行えるようにすることである。   The present invention has been made in view of the above problems, and its purpose is to determine whether or not there is a gas leak from a part to be inspected such as a container valve of a gas cylinder at low cost without taking time and effort. Is to be able to do it.

本発明の気体の漏れの判定方法は、内部に気体が封入され又は流通する検査対象部材の所定の部位からの気体の漏れの有無を判定する方法であって、開口部を有し、当該開口部に柔軟性を有する袋体が取り付けられた閉空間形成部材を、気密な空間を形成するとともに、当該気密な空間内に前記所定の部位が位置するように、前記閉空間形成部材を前記検査対象部材に取り付け、前記袋体が変形するか否かに基づき気体の漏れの有無を判定することを特徴とする。   The method for determining gas leakage according to the present invention is a method for determining the presence or absence of gas leakage from a predetermined portion of a member to be inspected in which gas is sealed or circulated. The closed space forming member with the flexible bag attached to the part forms an airtight space, and the inspection of the closed space forming member so that the predetermined portion is located in the airtight space. It is attached to a target member, and the presence or absence of gas leakage is determined based on whether or not the bag body is deformed.

上記の方法において、前記検査対象部材はガスボンベであり、前記所定の部位は、前記ガスボンベの容器バルブであってもよく、さらに、前記閉空間形成部材は、ガスボンベに容器バルブを保護するために取り付けられる、内部に容器バルブを収容可能な保護カバーであってもよい。   In the above method, the inspection object member may be a gas cylinder, the predetermined portion may be a container valve of the gas cylinder, and the closed space forming member is attached to the gas cylinder to protect the container valve. The protective cover which can accommodate a container valve inside may be used.

また、本発明の気体の漏れの判定方法は、内部に気体が封入され又は流通する検査対象部材の所定の部位からの気体の漏れの有無を判定する方法であって、開口部を有し、当該開口部に柔軟性を有する袋体が取り付けられたシート状の部材を、前記所定の部位を覆うように、前記検査対象部材に取り付け、前記シート状の部材の外周と前記検査対象部材との間を密封し、前記袋体が変形するか否かに基づき気体の漏れの有無を判定することを特徴とする。   Further, the gas leakage determination method of the present invention is a method for determining the presence or absence of gas leakage from a predetermined part of the inspection target member in which gas is enclosed or circulated, and has an opening. A sheet-like member having a flexible bag attached to the opening is attached to the inspection target member so as to cover the predetermined portion, and an outer periphery of the sheet-like member and the inspection target member A gap is sealed, and the presence or absence of gas leakage is determined based on whether or not the bag body is deformed.

また、本発明の気体の漏れの判定方法は、内部に気体が封入され又は流通する検査対象部材からの気体の漏れの有無を判定する方法であって、柔軟性を有する袋体が接続された気密性を有する収容部材内に前記検査対象部材を収容し、前記袋体が変形するか否かに基づき気体の漏れの有無を判定することを特徴とする。
なお、前記袋体は、一端が閉塞された筒状部材からなるものであってもよい。 Further, the method for determining gas leakage according to the present invention is a method for determining the presence or absence of gas leakage from an inspection target member in which gas is enclosed or circulated, and a flexible bag is connected. The inspection target member is accommodated in an airtight accommodating member, and the presence or absence of gas leakage is determined based on whether or not the bag body is deformed.
In addition, the said bag body may consist of a cylindrical member by which the end was obstruct | occluded.

本発明によれば、検査の対象となる部材から気体の漏れが生じている場合には、袋体が膨張して変形するため、気体の漏れの有無を判定できる。このため、高価な装置等が必要とならず、廉価に判定を行うことができる。また、判定のために必要な作業は、閉空間形成部材の取り付け及び袋体の形状の変化の有無の判定のみであり、手間や時間をかけずに判定を行うことができる。   According to the present invention, when a gas leak occurs from a member to be inspected, the bag body expands and deforms, and therefore it is possible to determine whether there is a gas leak. For this reason, an expensive apparatus or the like is not required, and the determination can be made at a low price. Further, the work necessary for the determination is only the attachment of the closed space forming member and the determination of the presence or absence of the change in the shape of the bag, and the determination can be made without taking time and effort.

以下、本発明に係る気体の漏れの有無を判定する方法の一実施形態を図面を参照しながら詳細に説明する。なお、本実施形態では、本発明の方法をガスボンベのバルブからのガス漏れの有無を判定する際に適用した場合を例として説明する。
図１は、本実施形態におけるガス漏れの有無の判定の対象となるガスボンベ１０を示す図であり、（Ａ）は正面図、（Ｂ）は保護カバー２０を取り付けた状態のバルブ１３近傍の拡大図である。同図に示すように、ガスボンベ１０は、略円筒状に形成され、小径の接続部１２を上部に有するガスボンベ本体１１と、接続部１２の上端の開口に取り付けられたバルブ１３とからなる。接続部１２の外周には螺条１２Ａが形成されている。 Hereinafter, an embodiment of a method for determining the presence or absence of gas leakage according to the present invention will be described in detail with reference to the drawings. In the present embodiment, a case where the method of the present invention is applied when determining the presence or absence of gas leakage from a gas cylinder valve will be described as an example.
1A and 1B are views showing a gas cylinder 10 that is a target for determining whether or not there is a gas leak in the present embodiment. FIG. 1A is a front view, and FIG. 1B is an enlarged view of the vicinity of a valve 13 with a protective cover 20 attached. FIG. As shown in the figure, the gas cylinder 10 is formed in a substantially cylindrical shape and includes a gas cylinder main body 11 having a small-diameter connection portion 12 at an upper portion and a valve 13 attached to an opening at the upper end of the connection portion 12. A thread 12 </ b> A is formed on the outer periphery of the connecting portion 12.

図１（Ｂ）に示すように、使用していない状態のガスボンベ１０には、バルブ１３を保護するために、バルブ１３を囲むように保護カバー２０が取り付けられている。保護カバー２０は、下端に開口部２１を有する容器状の部材であり、その開口部２１の内周面には螺条２１Ａが形成されている。そして、保護カバー２０は、ガスボンベ１０の接続部１２の螺条１２Ａに、開口部２１の内周面の螺条２１Ａを螺合させることにより、ガスボンベ１０に取り付けられている。   As shown in FIG. 1B, a protective cover 20 is attached to the unused gas cylinder 10 so as to surround the valve 13 in order to protect the valve 13. The protective cover 20 is a container-like member having an opening 21 at the lower end, and a thread 21 </ b> A is formed on the inner peripheral surface of the opening 21. The protective cover 20 is attached to the gas cylinder 10 by screwing the thread 21 </ b> A on the inner peripheral surface of the opening 21 with the thread 12 </ b> A of the connection portion 12 of the gas cylinder 10.

本実施形態では、このような保護カバー２０にガス漏れの有無の判定を行う機構を組み込むことした。
図２は、ガスボンベ１０に取り付けられた本実施形態の保護カバー３０を示す図である。同図に示すように、保護カバー３０は、上面が開放された筒状部材３１からなり、筒状部材３１の中間部には内部の空間を区切るように板材３３が取り付けられている。板材３３には開口３３Ａが形成されており、この開口３３Ａには上方から袋体３４が取り付けられている。 In the present embodiment, such a protective cover 20 is incorporated with a mechanism for determining whether or not there is a gas leak.
FIG. 2 is a view showing the protective cover 30 of this embodiment attached to the gas cylinder 10. As shown in the figure, the protective cover 30 includes a cylindrical member 31 having an open upper surface, and a plate member 33 is attached to an intermediate portion of the cylindrical member 31 so as to divide an internal space. An opening 33A is formed in the plate member 33, and a bag body 34 is attached to the opening 33A from above.

筒状部材３１の下面には開口部３２が形成されており、この開口部３２の内周面には螺条３２Ａが形成されている。また、筒状部材３１の少なくとも上部３１Ａは透明のプラスチックにより構成されており、内部の袋体３４を外側から観察することができる。   An opening 32 is formed on the lower surface of the cylindrical member 31, and a thread 32 </ b> A is formed on the inner peripheral surface of the opening 32. Further, at least the upper part 31A of the cylindrical member 31 is made of a transparent plastic, and the inner bag body 34 can be observed from the outside.

袋体３４は、一端が閉塞され、他端が開口する、好ましくは、細長い筒状に構成された、例えば、ビニルなどの柔軟な部材からなる。袋体３４の開口側の端部の近傍は板材３３に形成された開口３３Ａに取り付け可能なように、拡径されており、内部の空気が抜かれ、閉塞された側の端部が内側に位置するように螺旋状に丸められた状態で板材３３の開口３３Ａに取り付けられている。なお、この袋体３４は、その径を小さくすることで、わずかなガス漏れに対しても反応させることができる。   The bag body 34 is made of a flexible member such as vinyl, which is preferably configured in an elongated cylindrical shape, with one end closed and the other end opened. The vicinity of the opening side end of the bag body 34 is enlarged so that it can be attached to the opening 33A formed in the plate member 33, the air inside is removed, and the closed end is positioned inside. In such a manner, it is attached to the opening 33 </ b> A of the plate material 33 in a state of being rolled up in a spiral shape. In addition, this bag 34 can be made to react also to slight gas leakage by making the diameter small.

保護カバー３０は、筒状部材３１の開口部３２に形成された螺条３２Ａをガスボンベ１０の接続部１２の外周面の螺条１２Ａと螺合させることによりガスボンベ１０に取り付けられている。この際、筒状部材３１の開口部３２と、ガスボンベ１０の接続部１２との隙間にシール部材３５を介装させることにより、この隙間を密閉することができる。これにより、筒状部材３１の内部の下部が気密な空間３６となり、この空間３６内にバルブ１３が収容された状態となる。   The protective cover 30 is attached to the gas cylinder 10 by screwing a thread 32 </ b> A formed in the opening 32 of the cylindrical member 31 with a thread 12 </ b> A on the outer peripheral surface of the connection part 12 of the gas cylinder 10. Under the present circumstances, this clearance gap can be sealed by interposing the sealing member 35 in the clearance gap between the opening part 32 of the cylindrical member 31, and the connection part 12 of the gas cylinder 10. FIG. Thereby, the lower part inside the cylindrical member 31 becomes an airtight space 36, and the valve 13 is accommodated in the space 36.

ガスボンベ１０のバルブ１３からガス漏れがない場合には、空間３６は閉塞されているため、この空間３６内に新たに気体が入り込むことはない。このため、袋体３４は変化することなく、螺旋状に丸まった状態が保たれる。   When there is no gas leakage from the valve 13 of the gas cylinder 10, the space 36 is closed, so that no new gas enters the space 36. For this reason, the bag 34 is maintained in a spirally rounded state without changing.

これに対して、ガスボンベ１０のバルブ１３からガス漏れがある場合には、ガスはバルブ１３から空間３６に漏れ出し、空間３６内の圧力が高くなる。これにより、袋体３４は内部にガスが流入することにより膨張して、図３（Ａ）に示すように上方に向かって延びた状態になる。このため、袋体３４の形状を目視により確認することで、ガス漏れの有無を判定することができる。   On the other hand, when there is a gas leak from the valve 13 of the gas cylinder 10, the gas leaks from the valve 13 to the space 36, and the pressure in the space 36 increases. As a result, the bag body 34 expands when the gas flows therein and extends upward as shown in FIG. For this reason, the presence or absence of gas leakage can be determined by visually confirming the shape of the bag 34.

また、漏れ出したガスの量が多いと、袋体３４内の圧力が高くなり、袋体３４に孔があいてしまうことがある。このように袋体３４に孔があいてしまうと、内部の気体が抜けてしまい、上方に向かって延びる状態を保てなくなる。しかし、このような場合であっても、図３（Ｂ）に示すように、袋体３４は螺旋状に丸くなった状態から変形しているため、ガス漏れの有無を判定することができる。   In addition, when the amount of leaked gas is large, the pressure in the bag body 34 increases, and the bag body 34 may have a hole. If there is a hole in the bag body 34 in this way, the gas inside will escape and it will not be possible to maintain a state of extending upward. However, even in such a case, as shown in FIG. 3B, since the bag body 34 is deformed from the spirally rounded state, the presence or absence of gas leakage can be determined.

本実施形態によれば、保護カバー３０に例えばビニル製の袋体３４を組み込むだけで、ガス漏れの有無の判定を行うことができるため、判定に大掛かりな装置等が必要とならず、廉価で判定を行うことができる。   According to the present embodiment, since it is possible to determine the presence or absence of gas leakage simply by incorporating a bag 34 made of, for example, vinyl into the protective cover 30, a large-scale device or the like is not necessary for the determination, and the cost is low. Judgment can be made.

また、保護カバー３０は、ガスボンベ１０を使用していない間、バルブ１３を保護するために取り付けられるものであり、目視により袋体３４の形状の変化の有無を判定するのみで、ガス漏れの有無の判定を行うことができるため、手間や人手をかけることなく判定を行うことができる。   The protective cover 30 is attached to protect the valve 13 while the gas cylinder 10 is not being used, and it is determined whether or not there is a gas leak only by visually determining whether or not the shape of the bag 34 has changed. Therefore, the determination can be made without taking time and labor.

なお、本実施形態では、筒状に形成された保護カバー３０に袋体３４を組み込むこととしたが、これに限らず、バルブ１３を覆うように形成された保護カバー３０に袋体を取り付けることも可能である。かかる場合には、例えば、図４に示すように、予め、保護カバー４０のバルブ１３が収容される空間４６に孔４３を設けるとともに、この孔４３に袋体３４を取り付けておく。そして、保護カバー４０を、ガスボンベ１０の接続部１２の螺条１２Ａと保護カバー４０の開口部４２の螺条４２Ａとを螺合させることで、ガスボンベ１０に取り付ける。なお、この際、接続部１２と開口部４２の隙間から気体が漏れ出さないように、この隙間にシール部材４５を介装させておく。これにより、バルブからガス漏れがない場合には、袋体３４の形状が変化することはなく、ガス漏れがある場合には、袋体３４の形状が変化するため、バルブ１３からのガス漏れの有無を判定することができる。   In the present embodiment, the bag body 34 is incorporated in the protective cover 30 formed in a cylindrical shape, but the present invention is not limited thereto, and the bag body is attached to the protective cover 30 formed so as to cover the valve 13. Is also possible. In such a case, for example, as shown in FIG. 4, a hole 43 is provided in advance in a space 46 in which the valve 13 of the protective cover 40 is accommodated, and a bag body 34 is attached to the hole 43. Then, the protective cover 40 is attached to the gas cylinder 10 by screwing the screw 12 </ b> A of the connecting portion 12 of the gas cylinder 10 and the screw 42 </ b> A of the opening 42 of the protective cover 40. At this time, a seal member 45 is interposed in the gap so that gas does not leak from the gap between the connection portion 12 and the opening 42. Thereby, when there is no gas leak from the valve, the shape of the bag body 34 does not change. When there is a gas leak, the shape of the bag body 34 changes. Presence / absence can be determined.

また、袋体３４に長さ方向に沿って、例えば、細い銅線など、袋体３４が膨張する際には変形し、変形した後はその形状を保持することのできる保持部材を取り付けることとしてもよい。このような保持部材を取り付けることにより、ガス漏れにより袋体３４が膨張する際には、保持部材も袋体３４とともに変形し、その後、袋体３４に孔があいてしまったとしても、保持部材により袋体３４が変形した状態が保たれるため、袋体３４の変形を確実に確認することができる。   Further, along the length direction of the bag body 34, for example, a thin copper wire is deformed when the bag body 34 is inflated, and after the deformation, a holding member capable of holding the shape is attached. Also good. By attaching such a holding member, when the bag body 34 expands due to gas leakage, even if the holding member is deformed together with the bag body 34 and then the bag body 34 has a hole, the holding member As a result, the deformed state of the bag body 34 is maintained, so that the deformation of the bag body 34 can be reliably confirmed.

また、本実施形態では、ガスボンベのバルブからのガス漏れの有無を判定する場合について説明したが、ガス配管の継手部からのガス漏れの有無を検討する場合にも本発明を適用することができる。このような場合には、例えば、予め、ビニル製のシート部材に孔を設け、この孔に袋体を接着材などにより取り付けておく。そして、図５に示すように、シート部材６０を継手部５１の外周を囲繞するように取り付け、シート部材６０と配管５０との間からガス漏れが生じないように、シート部材６０をガムテープ６１により配管５０に密着させる。かかる状態において、配管５０からガス漏れが生じている場合には、シート部材６０と配管５０の表面の間の隙間を通じて、袋体３４にガスが流れ込み、袋体３４が変形することとなる。このため、袋体３４に変形が生じるか否かに基づき、継手部５１のガス漏れの判定を行うことができる。   Moreover, although this embodiment demonstrated the case where the presence or absence of the gas leak from the valve | bulb of a gas cylinder was demonstrated, this invention is applicable also when examining the presence or absence of the gas leak from the joint part of gas piping. . In such a case, for example, a hole is provided in advance in a vinyl sheet member, and a bag is attached to the hole with an adhesive or the like. Then, as shown in FIG. 5, the sheet member 60 is attached so as to surround the outer periphery of the joint portion 51, and the sheet member 60 is attached by the gum tape 61 so that no gas leakage occurs between the sheet member 60 and the pipe 50. Adhere to the pipe 50. In this state, when gas leaks from the pipe 50, the gas flows into the bag body 34 through the gap between the sheet member 60 and the surface of the pipe 50, and the bag body 34 is deformed. For this reason, it is possible to determine the gas leakage of the joint portion 51 based on whether or not the bag 34 is deformed.

また、上記の各実施形態では、ガスボンベや配管などの部材の所定の部位からのガス漏れの有無の判定を行う場合について説明したが、これに限らず、本発明は、気体の漏れの生じる可能性がある部材の所定の部位からの気体の漏れの有無を判定する場合であれば適用することができる。   In each of the above embodiments, the case where the presence / absence of gas leakage from a predetermined part of a member such as a gas cylinder or a pipe is determined has been described. The present invention can be applied to the case where it is determined whether or not there is gas leakage from a predetermined part of a member having a property.

また、上記の各実施形態では、ガスボンベや配管などの部材の所定の部位からのガス漏れの有無を判定する場合について説明したが、これに限らず、例えば、小型のガスボンベなどの検査対象部材７０からの気体の漏れを検知する場合にも適用することができる。かかる場合には、図６に示すように、検査対象部材７０を収容可能な容器又は袋８０に、予め、袋体３４を取り付けておく。そして、この容器又は袋８０内に検査対象部材７０を収容し、容器又は袋８０を密封する。検査対象部材７０から気体の漏れがある場合には、上記の各実施形態と同様に、袋体３４が変形するため、これに基づき、検査対象部材７０からの気体の漏れの有無を判定することができる。   In each of the above-described embodiments, the case where the presence / absence of gas leakage from a predetermined portion of a member such as a gas cylinder or piping has been described. The present invention can also be applied in the case of detecting gas leakage from In such a case, as shown in FIG. 6, the bag body 34 is attached in advance to a container or bag 80 that can accommodate the inspection target member 70. Then, the inspection target member 70 is accommodated in the container or bag 80, and the container or bag 80 is sealed. When there is a gas leak from the inspection target member 70, the bag body 34 is deformed similarly to the above-described embodiments. Based on this, the presence / absence of a gas leak from the inspection target member 70 is determined. Can do.

ガスボンベを示す図であり、（Ａ）は正面図、（Ｂ）は保護カバーを取り付けた状態のバルブ近傍の拡大図である。It is a figure which shows a gas cylinder, (A) is a front view, (B) is an enlarged view of the valve vicinity of the state which attached the protective cover. ガスボンベに取り付けられた本実施形態の保護カバーを示す図である。It is a figure which shows the protective cover of this embodiment attached to the gas cylinder. （Ａ）は袋体が膨張して上方に向かって延びた状態を示し、（Ｂ）は袋体に孔があいてしまった状態を示す図である。(A) shows a state in which the bag body has expanded and extended upward, and (B) shows a state in which the bag body has a hole. バルブを覆うように形成された保護カバーに袋体を取り付けた実施形態を示す図である。It is a figure which shows embodiment which attached the bag body to the protective cover formed so that the valve | bulb might be covered. 配管の継手部におけるガス漏れの有無を判定する方法を説明するための図である。It is a figure for demonstrating the method to determine the presence or absence of the gas leak in the joint part of piping. 検査対象部材からの気体の漏れの有無を判定する方法を説明するための図である。It is a figure for demonstrating the method to determine the presence or absence of the gas leakage from a test object member.

符号の説明Explanation of symbols

１０ ガスボンベ １１ ガスボンベ本体
１２ 接続部１２Ａ 螺条
１３ バルブ
２０ 保護カバー ２１ 開口部
２１Ａ 螺条
３０ 保護カバー ３１ 筒状部材
３２ 開口部 ３２Ａ 螺条
３３ 板材 ３３Ａ 開口
３４ 袋体 ３５ シール部材
３６ 空間
４０ 保護カバー ４２ 開口部
４２Ａ 螺条 ４３ 孔
４５ シール部材 ４６ 空間
５０ 配管 ５１ 継手部
６０ 部材 ６１ ガムテープ
７０ 検査対象部材 ８０ 袋 DESCRIPTION OF SYMBOLS 10 Gas cylinder 11 Gas cylinder main body 12 Connection part 12A Screw 13 Valve 20 Protective cover 21 Opening part 21A Screw 30 Protective cover 31 Cylindrical member 32 Opening part 32A Screw 33 Plate material 33A Opening 34 Bag body 35 Seal member 36 Space 40 Protective cover 42 Opening 42A Thread 43 Hole 45 Seal Member 46 Space 50 Piping 51 Joint 60 Member 61 Gum Tape 70 Inspection Target Member 80 Bag

Claims (6)

内部に気体が封入され又は流通する検査対象部材の所定の部位からの気体の漏れの有無を判定する方法であって、
開口部を有し、当該開口部に柔軟性を有する袋体が取り付けられた閉空間形成部材を、気密な空間を形成するとともに、当該気密な空間内に前記所定の部位が位置するように、前記閉空間形成部材を前記検査対象部材に取り付け、
前記袋体が変形するか否かに基づき気体の漏れの有無を判定することを特徴とする気体の漏れの有無の判定方法。 A method of determining the presence or absence of gas leakage from a predetermined part of a member to be inspected in which gas is enclosed or circulated,
A closed space forming member having an opening and a flexible bag attached to the opening is formed as an airtight space, and the predetermined portion is positioned in the airtight space. The closed space forming member is attached to the inspection target member,
A method for determining the presence or absence of a gas leak, wherein the presence or absence of a gas leak is determined based on whether or not the bag body is deformed. 請求項１記載の判定方法であって、
前記検査対象部材はガスボンベであり、
前記所定の部位は、前記ガスボンベの容器バルブであることを特徴とする気体の漏れの有無の判定方法。 The determination method according to claim 1,
The inspection object member is a gas cylinder,
The method for determining the presence or absence of gas leakage, wherein the predetermined part is a container valve of the gas cylinder. 請求項２記載の判定方法であって、
前記閉空間形成部材は、ガスボンベに容器バルブを保護するために取り付けられる、内部に容器バルブを収容可能な保護カバーであることを特徴とする気体の漏れの有無の判定方法。 The determination method according to claim 2,
The method for determining the presence or absence of gas leakage, wherein the closed space forming member is a protective cover that is attached to a gas cylinder to protect the container valve and can accommodate the container valve therein. 内部に気体が封入され又は流通する検査対象部材の所定の部位からの気体の漏れの有無を判定する方法であって、
開口部を有し、当該開口部に柔軟性を有する袋体が取り付けられたシート状の部材を、前記所定の部位を覆うように、前記検査対象部材に取り付け、
前記シート状の部材の外周と前記検査対象部材との間を密封し、
前記袋体が変形するか否かに基づき気体の漏れの有無を判定することを特徴とする気体の漏れの有無の判定方法。 A method of determining the presence or absence of gas leakage from a predetermined part of a member to be inspected in which gas is enclosed or circulated,
A sheet-like member having an opening and having a flexible bag attached to the opening is attached to the inspection target member so as to cover the predetermined part,
Sealing between the outer periphery of the sheet-like member and the inspection target member;
A method for determining the presence or absence of a gas leak, wherein the presence or absence of a gas leak is determined based on whether or not the bag body is deformed. 内部に気体が封入され又は流通する検査対象部材からの気体の漏れの有無を判定する方法であって、
柔軟性を有する袋体が接続された気密性を有する収容部材内に前記検査対象部材を収容し、
前記袋体が変形するか否かに基づき気体の漏れの有無を判定することを特徴とする気体の漏れの有無の判定方法。 A method for determining the presence or absence of gas leakage from an inspection target member in which gas is enclosed or circulated,
The inspection object member is accommodated in an airtight accommodation member to which a flexible bag is connected,
A method for determining the presence or absence of a gas leak, wherein the presence or absence of a gas leak is determined based on whether or not the bag body is deformed. 請求項１から５のうち何れか１項に記載の判定方法であって、
前記袋体は、一端が閉塞された筒状部材からなることを特徴とする気体の漏れの有無の判定方法。 The determination method according to any one of claims 1 to 5,
The said bag body consists of a cylindrical member by which the end was obstruct | occluded, The determination method of the presence or absence of the gas leakage characterized by the above-mentioned.
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JP2018185185A (en) * 2017-04-25 2018-11-22 三菱電機ビルテクノサービス株式会社 Gas leakage detection cap for valve attachment mechanism and gas leakage detection method
JP2019086327A (en) * 2017-11-02 2019-06-06 伸和コントロールズ株式会社 Method and apparatus for inspecting leakage of valve gear
CN117109815A (en) * 2023-10-24 2023-11-24 南通科美自动化科技有限公司 Paper household utensils continuity leak hunting device

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Publication number Priority date Publication date Assignee Title
CN103717960A (en) * 2011-08-05 2014-04-09 金学星 Pressure-resistant-container gas leakage detecting device for a vehicle to which a discharge tube casing is attached
WO2016027669A1 (en) * 2014-08-22 2016-02-25 日本バルカー工業株式会社 Liquid leak detection unit
KR20160027382A (en) * 2014-08-29 2016-03-10 삼성중공업 주식회사 Leak dectection tape and method of detecting leak using the same
KR101644378B1 (en) * 2014-08-29 2016-08-02 삼성중공업 주식회사 Cargo for liquefied gas having leak dectection tape and method of detecting leak using the same
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CN117109815B (en) * 2023-10-24 2023-12-22 南通科美自动化科技有限公司 Paper household utensils continuity leak hunting device

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