WO2023282430A1 - Dispositif de détection de fuite - Google Patents

Dispositif de détection de fuite Download PDF

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Publication number
WO2023282430A1
WO2023282430A1 PCT/KR2022/003463 KR2022003463W WO2023282430A1 WO 2023282430 A1 WO2023282430 A1 WO 2023282430A1 KR 2022003463 W KR2022003463 W KR 2022003463W WO 2023282430 A1 WO2023282430 A1 WO 2023282430A1
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WO
WIPO (PCT)
Prior art keywords
fluid
detection device
fitting
leak
detection
Prior art date
Application number
PCT/KR2022/003463
Other languages
English (en)
Korean (ko)
Inventor
안재진
김서영
Original Assignee
하이리움산업(주)
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 하이리움산업(주) filed Critical 하이리움산업(주)
Publication of WO2023282430A1 publication Critical patent/WO2023282430A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2201/00—Special arrangements for pipe couplings
    • F16L2201/30—Detecting leaks

Definitions

  • the present invention relates to a leak detection device, and more particularly, in a fitting connecting a pipe through which a predetermined fluid (eg, hydrogen, etc.) flows, without the influence of the external environment, it is possible to easily check only whether or not the fluid leaks with the naked eye, , It relates to a leak detection device that is easy to replace and manage.
  • a predetermined fluid eg, hydrogen, etc.
  • Pipes through which a predetermined fluid is transported are used in various fields, and in particular, fittings used as connecting members are widely known when a pipe needs to be connected for extension of the pipe.
  • a risk of leakage of fluid may be relatively high at a connection portion of the pipe, that is, a coupling portion of the fitting.
  • the fluid is a highly flammable gas such as hydrogen
  • there is a risk of an accident such as an explosion due to leakage of the fluid, so it may be very important to detect whether the fluid leaks in time.
  • FIG. 1 An example of this is shown in FIG. 1 .
  • FIG. 1 shows an example of a fitting in which a hole for checking fluid leakage is formed.
  • connection parts eg, 11a, 11b, 11c
  • connection parts eg, 11a, 11b, 11c
  • connection parts eg, 11a, 11b, 11c
  • Holes eg, 12a, 12b, 12c
  • fluid may be discharged through formed holes (eg, 12a, 12b, and 12c) when leakage occurs in the connection portion.
  • the fluid is a gas such as hydrogen
  • the user is allowed to check whether or not there is leakage while bringing a predetermined electronic detection device to the holes (eg, 12a, 12b, and 12c).
  • Patent Document 1 Korean Registered Patent (Registration No. 10-1848020, "Protection cover for pipe fittings capable of detecting leakage”)
  • the problem to be solved by the present invention is to provide a technical idea that can easily and conveniently check whether or not fluid leaks from a fitting to which a pipe is connected, even with the user's naked eye, through whether or not the detection material is discolored.
  • the leak detection device for solving the above technical problem connects pipes through which fluid is transported and can discharge the leaked fluid when the fluid leaks from at least one of the pipes on one side.
  • a coupling surface coupled to a fitting having at least one leak hole formed thereon, at least one sensing groove formed on the coupling surface to accommodate the at least one leak hole, and a predetermined distance from each of the at least one detection groove. It includes a collection space formed to a depth to collect the leaked fluid, wherein the collection space is provided with a detection material capable of detecting the fluid therein, and the remaining area of the coupling surface excluding the at least one detection groove. may be characterized in that the fluid collected in the collection space is not leaked out of the collection space in close contact with the fitting.
  • the at least one sensing groove may be formed to individually correspond to each of the at least one leak hole.
  • the detection material may include a material that changes color upon contact with the fluid.
  • the leak detection device may include at least one fixing part extending toward the coupling surface to have a predetermined width and a predetermined length to support fixation to the fitting.
  • the second surface may be characterized in that at least a part is formed transparently.
  • the second surface may be characterized in that it is formed as transparent only as much as a predetermined range around a position corresponding to the detection material on the second surface.
  • the second surface may be characterized in that a transparent portion is formed by including a blocking layer or a predetermined blocking material capable of blocking light of a specific wavelength.
  • the second surface may include at least one detection groove formed to have a smaller area than the detection material at a position corresponding to the detection groove.
  • the present invention can secure the collection space formed by the detection grooves, so that the detection material may not directly contact fittings or other elements, so that discoloration due to external environments or external factors is prevented, as well as sufficient even at high temperatures. There are beneficial effects that can be used.
  • FIG. 1 shows an example of a fitting in which a hole for checking fluid leakage is formed.
  • FIG. 2 shows an example of coupling a leak detection device and a fitting according to an embodiment of the present invention.
  • FIG. 3 shows an implementation example of a leak detection device according to an embodiment of the present invention.
  • FIGS. 4 and 5 show an example of installing a detection material in a leak detection device according to an embodiment of the present invention.
  • FIG. 6 and 7 are views for explaining a detection method of a leak detection device according to an embodiment of the present invention.
  • first and second may be used to describe various components, but the components should not be limited by the terms. These terms are only used for the purpose of distinguishing one component from another.
  • FIG. 2 shows an example of coupling a leak detection device and a fitting according to an embodiment of the present invention.
  • the leak detection device 100 may be coupled to one side of the fitting 10 .
  • the fitting 10 may have at least one leakage hole (eg, 12a, 12b, 12c) formed on one surface through which leaked fluid can be discharged, and the leak detection device 100
  • One side of the fitting 10 to be coupled may mean a side on which the at least one leak hole (eg, 12a, 12b, and 12c) is formed.
  • a predetermined fluid may be transferred to a pipe connected through the fitting 10 .
  • the fluid may be in various forms such as gas and/or liquid.
  • the fluid is a gas and especially hydrogen is described as an example, but the present invention is not necessarily limited thereto.
  • connection parts eg, 11a, 11b, and 11c
  • the fitting 10 may be in the form of connecting pipes in two directions or in the form of connecting pipes in four or more directions.
  • the fitting 10 may have holes corresponding to each connection part according to the number of connection parts. Holes corresponding to each connection portion may be formed such that fluid leaking from each connection portion may be discharged.
  • FIG. 3 shows an implementation example of a leak detection device according to an embodiment of the present invention.
  • the leak detection device 100 connects pipes through which fluid is transported and discharges the leaked fluid when the fluid leaks from at least one of the pipes on one side.
  • At least one detection groove (eg, 120a, 120b, 120c) formed to be formed at a predetermined depth from each of the at least one detection groove (eg, 120a, 120b, 120c) and a collection space in which leaked fluid is collected. can include
  • the collection space may be provided with a predetermined detection material capable of detecting the fluid therein.
  • the remaining area of the coupling surface 110 is in close contact with the fitting 10 and collected in the collection space. It may be implemented so that the fluid does not flow out of the collection space.
  • the leak detection device 100 may include a fixing part 130 for fixing the coupling with the fitting 10 .
  • the fixing part 130 has a predetermined width and a predetermined length from the side surface of the leak detection device 100 toward the coupling surface, as shown in FIGS. It may be formed to extend to have and support fixation to the fitting 10.
  • the leak detection device 100 may be detachably coupled to the fitting 10 .
  • the leak detection device 100 may be fitted to the fitting 10 through the fixing part 130 and may be easily detachable as needed.
  • the detection grooves may be formed to correspond to the at least one leakage hole (eg, 12a, 12b, and 12c), respectively, as shown in the drawing.
  • one sensing groove eg, 120a
  • the at least one leak hole eg, 12a, 12b, 12c
  • the at least one leak hole has a sensing groove (eg, 120a, 120b) , 120c) may be formed to correspond individually to each other.
  • That the at least one leakage hole (eg, 12a, 12b, 12c) is accommodated in the sensing groove (eg, 120a, 120b, 120c) means that the coupling surface 110 and one surface of the fitting 10 When in close contact, the at least one leak hole (eg, 12a, 12b, 12c) is not blocked by the coupling surface 110 and can be located within the inlet range of the corresponding sensing groove (eg, 120a, 120b, 120c) can mean implemented.
  • the fitting 10 when the leak detection device 100 is coupled to the fitting 10, as described above, the remaining regions of the coupling surface 110 except for the detection grooves (eg, 120a, 120b, and 120c) It may be preferable that the fitting 10 is in close contact with one side of the fitting 10 as much as possible. This means that when fluid leaks from any one connection part (eg, 110a, 110b, or 110c) of the fitting 10, the fluid leaked into the corresponding collection space among the detection grooves (eg, 120a, 120b, or 120c) It is to be collected, but it may be to prevent leakage or movement of fluid leaked to other sensing grooves or other collection spaces where leakage has not occurred, and/or to the outside.
  • the shape of the sensing grooves is not limited to the shape shown in the drawing, and may be formed in various shapes as needed.
  • the detection grooves eg, 120a, 120b, and 120c
  • the detection grooves form the at least one leakage hole (eg, 12a, 12b, and 12c) when the leak detection device 100 and the fitting 10 are coupled. While being accommodated, it may be formed to have a predetermined depth in the leak detection device 100 so as to have a collection space within a predetermined range inside the leak detection device 100.
  • the cross-sectional shape of the sensing grooves may have various shapes such as various polygons, circles, and ellipses in addition to the shapes shown in the drawings, but as the grooves are formed, the inside of the leak detection device 100
  • Each collection space should be formed to collect the fluid leaked from the at least one leak hole (eg, 12a, 12b, 12c).
  • a detection material may be provided in the collection space formed by the detection grooves (eg, 120a, 120b, and 120c).
  • the detection material may be provided in the collection space formed by the detection grooves (eg, 120a, 120b, and 120c), and may include a material that may change color relatively quickly upon contact with the fluid.
  • the user may be implemented to check whether or not the color of the detection material is discolored through the second surface instead of the coupling surface 110 of the leak detection device 100, and the leakage of the fluid through whether or not the color of the detection material is discolored. can check whether
  • the leaked fluid contacts the detection substance in the collection space, and the detection substance is discolored, and the user It can be known that the fluid is leaking by confirming that the detection material is discolored.
  • the second surface may be a surface opposite to the coupling surface 110, and may mean other side surfaces adjacent to the coupling surface 110 according to an embodiment.
  • the second surface is opposite to the coupling surface 110 will be described as an example, but the present invention is not limited thereto.
  • FIGS. 4 and 5 show an example of installing a detection material in a leak detection device according to an embodiment of the present invention.
  • the detection material 140 is discolored in a relatively short time when in contact with the fluid transported through the pipe, and includes a substance that can visually check whether or not the fluid leaks. can be configured.
  • the detection material 140 may be implemented in various forms, such as discoloration paper or paint that discolors upon contact with hydrogen, or silicon or other materials containing such a material.
  • the drawing shows the detection material 140 in the case of having a token shape and implemented with silicon including a material that can be quickly discolored upon contact with a fluid (eg, hydrogen).
  • a fluid eg, hydrogen
  • the detection material 140 is not limited to the token form shown in the drawing, and any form can be easily attached or detached in the detection groove (eg, 120a, 120b, 120c) and the user can easily check whether the color is discolored.
  • the detecting material 140 may be implemented in the form of a token-shaped discoloration paper, or may be implemented in a form in which paint that changes color upon contact with a fluid is applied to a predetermined material in the form of a token. In any case, when the detection material 140 comes into contact with the fluid, at least the entire surface of the detection material 140 may be discolored.
  • the detection material 140 may be installed in the collection space in the detection groove (eg, 120a, 120b, 120c). According to an embodiment of the present invention, the detection material 140 is as shown in FIG. It may be installed in a form attached to the ends of the sensing grooves (eg, 120a, 120b, and 120c).
  • the detection material 140 When the detection material 140 is discolored due to fluid leakage after being attached, it needs to be easily replaceable when inspection and repair of the leakage site are completed. Accordingly, it may be preferable that the detection material 140 is easily detachable in the leak detection device 100, that is, in the detection grooves (eg, 120a, 120b, and 120c).
  • the detection material 140 when the detecting material 140 is implemented in the form of a token as shown in FIG. 4, an adhesive material for attachment is applied to one side so that it can be attached and detached where needed like a general sticker. .
  • the user can check whether the detection material 140 is discolored through the surface opposite to the coupling surface of the leak detection device 100 and detect whether or not fluid leaks. This will be described with reference to FIGS. 6 to 7 .
  • FIG. 6 and 7 are views for explaining a detection method of a leak detection device according to an embodiment of the present invention.
  • FIG. 6 is a view looking down at the coupling surface 110 of the leak detection device 100, and as described above, each of the sensing grooves (eg, 120a, 120b, and 120c) formed on the coupling surface 110 A detection material 140 may be provided.
  • each of the sensing grooves eg, 120a, 120b, and 120c
  • the coupling surface 110 is a surface that is in close contact with the fitting 10 when the fitting 10 and the leak detection device 100 are coupled, the user is not the coupling surface 110 but the leak detection device ( It is possible to check whether the detection material 140 is discolored through the second side, which is the other side of 100).
  • the user can check whether the detection material 140 is discolored through the opposite side surface 111 of the coupling surface 110 of the leak detection device 100. That is, the second surface may be the surface 111 opposite to the coupling surface 110 in the leak detection device 100 .
  • the second surface 111 may be formed transparently.
  • positions corresponding to ends of the sensing grooves (eg, 120a, 120b, and 120c) on the second surface 111 may be transparently formed.
  • the entire second surface 111 may be formed transparently.
  • the detection material 140 may be discolored due to external factors other than the fluid.
  • the detection material 140 may be discolored by light (eg, ultraviolet rays) of a specific wavelength.
  • the leakage detection device 100 may be implemented to block light (eg, ultraviolet rays) of a specific wavelength.
  • the entire leak detection device 100 may be implemented to block light of a specific wavelength, but as described above, only the transparent part of the second surface 111 selectively selects light of a specific wavelength (eg, , ultraviolet rays) may be implemented to be blocked.
  • a predetermined film that blocks light (eg, ultraviolet rays) of a specific wavelength may be added or a predetermined blocking layer may be formed at the corresponding location.
  • the material itself of the leak detection device 100 may be formed of a material capable of blocking light (eg, ultraviolet rays) of a specific wavelength.
  • Detection grooves may be formed at positions corresponding to the material 140 .
  • ends of the detection grooves may be formed to communicate with the outside, and accordingly, the detection grooves (eg, 120a, 120b, The detection material 140 provided at the end of 120c) can be checked through the second surface 111.
  • the detection grooves eg, 150a, 150b, and 150c
  • the detection grooves may be sealed with a transparent material.
  • the technical idea of the present invention it is possible to easily and conveniently check whether or not fluid is leaking from the fitting 10 to which the pipe is connected with the naked eye of the user, as well as attaching and detaching the fitting 10 and the leak detection device 100. Detachment of the detection material 140 is also easy, so installation, management, and removal can have an effect of being convenient.
  • the collection space formed by the sensing grooves (eg, 120a, 120b, and 120c) can be secured, and the sensing material 140 may not directly contact the fitting 10 or other elements, so that the outside
  • the sensing material 140 may not directly contact the fitting 10 or other elements, so that the outside
  • it may have an advantageous effect of being fully utilized even at high temperatures.
  • the present invention can be used in a leak detection device.

Abstract

Est divulgué un dispositif de détection de fuite. Le dispositif de détection de fuite selon un mode de réalisation de la présente invention est caractérisé en ce qu'il comprend : une surface d'accouplement accouplée à un raccord qui relie des tuyaux permettant de transporter un fluide et présente au moins un trou de fuite qui est formé sur une surface latérale du raccord et peut évacuer du fluide qui fuit lorsque le fluide fuit depuis un ou plusieurs des tuyaux ; une ou plusieurs rainures de captage qui sont formées sur la surface d'accouplement et qui peuvent recevoir ledit trou de fuite ; et un espace de collecte qui est formé à une certaine profondeur de chacune de la ou des rainures de captage et collecte le fluide qui fuit. L'espace de collecte comporte en son sein un matériau de détection qui peut détecter le fluide. Le reste de la surface d'accouplement autre que la ou les rainures de captage est en contact étroit avec le raccord, et ainsi le fluide collecté dans l'espace de collecte ne s'écoule pas hors de l'espace de collecte.
PCT/KR2022/003463 2021-07-05 2022-03-11 Dispositif de détection de fuite WO2023282430A1 (fr)

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KR10-2021-0087590 2021-07-05
KR1020210087590A KR102661424B1 (ko) 2021-07-05 2021-07-05 누설 검출장치

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Citations (5)

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JP2011215076A (ja) * 2010-04-01 2011-10-27 Bridgestone Corp 液漏れ検出シール及び液漏れ検出装置
KR101310297B1 (ko) * 2013-03-27 2013-09-23 주식회사 비비테크 가스 누설 확인 가능한 배관 클램프
KR101500879B1 (ko) * 2013-11-29 2015-03-16 신용순 유체 주입식 단열재의 제조 방법 및 그 방법에 의해 제조되는 단열재
US20170159867A1 (en) * 2015-12-04 2017-06-08 Nuscale Power, Llc Pipe restraint and shield
KR101848020B1 (ko) * 2016-05-11 2018-05-28 주식회사 쏠락 누설 감지가능한 배관 피팅용 보호커버

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JPS6215428A (ja) * 1985-07-15 1987-01-23 Shinkosumosu Denki Kk 容器の漏洩検出装置
KR101521584B1 (ko) * 2013-08-01 2015-06-01 주식회사 건축과 환경 배관용 분배기 어셈블리
KR101781126B1 (ko) * 2015-08-03 2017-09-22 주식회사 쏠락 누설 감지 모듈을 갖춘 배관 피팅용 보호커버
KR102010497B1 (ko) * 2017-03-06 2019-08-14 조수동 화학반응에 의해 누출물질을 감지하는 화학반응 리크 감지센서
KR101974363B1 (ko) * 2017-06-21 2019-05-02 주식회사 대성하이백 누수 감지 기능을 구비한 개방형 수전함
KR102056878B1 (ko) * 2018-06-18 2019-12-17 지프코리아 주식회사 가스 누출 감지용 피팅 케이스

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011215076A (ja) * 2010-04-01 2011-10-27 Bridgestone Corp 液漏れ検出シール及び液漏れ検出装置
KR101310297B1 (ko) * 2013-03-27 2013-09-23 주식회사 비비테크 가스 누설 확인 가능한 배관 클램프
KR101500879B1 (ko) * 2013-11-29 2015-03-16 신용순 유체 주입식 단열재의 제조 방법 및 그 방법에 의해 제조되는 단열재
US20170159867A1 (en) * 2015-12-04 2017-06-08 Nuscale Power, Llc Pipe restraint and shield
KR101848020B1 (ko) * 2016-05-11 2018-05-28 주식회사 쏠락 누설 감지가능한 배관 피팅용 보호커버

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