KR100985987B1 - Oil leak detector of oil storage tank for use wireless remote detection system - Google Patents

Oil leak detector of oil storage tank for use wireless remote detection system Download PDF

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KR100985987B1
KR100985987B1 KR1020100047020A KR20100047020A KR100985987B1 KR 100985987 B1 KR100985987 B1 KR 100985987B1 KR 1020100047020 A KR1020100047020 A KR 1020100047020A KR 20100047020 A KR20100047020 A KR 20100047020A KR 100985987 B1 KR100985987 B1 KR 100985987B1
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South Korea
Prior art keywords
oil
oil leakage
layer
perforated
film layer
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KR1020100047020A
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Korean (ko)
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김진섭
김성환
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주식회사 그린솔루션
김성환
김진섭
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/40—Investigating fluid-tightness of structures by using electric means, e.g. by observing electric discharges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/48—Arrangements of indicating or measuring devices
    • B65D90/50—Arrangements of indicating or measuring devices of leakage-indicating devices
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C2200/00—Transmission systems for measured values, control or similar signals
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C2201/00—Transmission systems of control signals via wireless link

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

PURPOSE: A vertical-boring oil leakage sensing device for an oil tank and an installation method thereof are provided to accurately and effectively sense oil leakage of a polluted layer and to facilitate the installation of the oil leakage sensing device. CONSTITUTION: A perforated drain pipe(30) is perpendicularly installed in bored portions(20) vertically formed around an oil tank at regular intervals. The perforated drain pipe has multiple through-holes(36) to connect to a hollow portion(34). A cylindrical support pipe body is perpendicularly inserted and installed within the perforated drain pipe. The cylindrical support pipe body comprises a lower film layer and an oil leakage sensing layer. The lower film layer is formed of non-conductive thin film resin. The lower film layer comprises a resistance wire, and a conductive wire. The conductive wire maintains space from the resistance wire. The upper film layer is formed of non-conductive thin film resin.

Description

유류탱크의 수직천공 누유감지장치 및 그 설치방법{Oil leak detector of oil storage tank for use Wireless remote detection system}Oil leak detection device for vertical drilling of oil tank and its installation method {Oil leak detector of oil storage tank for use Wireless remote detection system}

본 발명은 무선 원격 감지되는 유류탱크의 수직천공 누유감지장치 및 그 설치방법에 관한 것으로, 더욱 구체적으로는 지중으로 유류탱크가 매설된 상태에서 유류탱크의 주변에 수직으로 천공한 천공부에 도전선과 저항선이 필름에 인쇄된 누유감지부재가 부착된 원통형 지지관체를 삽입하여 지층으로 유류가 누설되는 것을 신속하게 감지할 수 있도록 한 유류탱크의 수직천공 누유감지장치 및 그 설치방법에 관한 것이다.
The present invention relates to a vertical perforated oil leakage detection device and a method of installing the oil tank wirelessly sensed more specifically, the conductive wire and the perforated portion perforated vertically around the oil tank in the state in which the oil tank is buried underground resistance wire is directed to a vertical perforated leak detection apparatus and a method of installing a fuel tank by inserting a cylindrical support tube portion printed press sorry material attached to the film that can be used to quickly detect that the fuel from leaking into the resin layer.

일반적으로 유류저장고, 주유소 등에서 유류를 저장하기 위해 사용하는 유류탱크는 부피가 매우 크므로 그만큼 설치면적이 넓어지고 지상설치시 외부노출로 인해 안전상의 문제점이 뒤따르게 된다. 따라서 대부분 유류탱크를 지하에 매설하여 설치면적과 안전상의 문제점을 해결하게 된다.
In general, the oil tank used to store the oil in the oil reservoir, gas station, etc. is very large in volume, so the installation area is widened, and safety problems are caused by external exposure during the ground installation. Therefore, most oil tanks are buried underground to solve the problem of installation area and safety.

그러나 유류탱크가 지하에 매설됨으로써 탱크에 균열이나 파손이 발생하더라도 육안으로 확인할 수 없고, 그로 인해 야기되는 누유량은 지속적으로 늘어나며, 특히 누설되는 유류는 그대로 땅속으로 스며들어 토양과 지하수를 오염시키는 환경훼손의 심각한 문제점이 있었다.
However, the oil tank is buried underground, so even if a crack or damage occurs in the tank, it cannot be visually checked, and the amount of oil leakage caused by the oil tank is continuously increased.In particular, the leaked oil leaks into the ground and contaminates soil and groundwater. There was a serious problem of damage.

이를 감안하여 종래에도 지하에 매설되는 유류탱크의 하부에 수평으로 누유감지부재를 설치한 것이 있었으나, 유류탱크에서 누유가 발생하여 플룸(plume)의 형식으로 확산이 되면 오염지층이 누유감지부재의 인입위치와 다를 시 누유를 감지하지 못하는 상황이 발생하게 되는 등 감지효율성이 떨어지는 단점이 있었다.
In view of this, in the past, the oil leakage sensing member was horizontally installed in the lower part of the oil tank buried underground, but when oil leakage occurs in the oil tank and spreads in the form of plume, the contaminated layer enters the oil leakage sensing member. When the location is different from the above situation, the leakage of the leak may occur.

또한 종래에는 지하에 유류탱크에 매설된 상태에서는 하부에 누유감지부재를 설치할 수 없었고, 유류탱크를 지하에 매설하기 전에 누유감지부재를 설치해야 될 뿐만 아니라 누유감지부재의 교체 및 수리 등을 하기 위해서는 유류탱크를 분리해야 하므로 누유감지부재의 지속적인 관리에 어려움이 있었다.
In addition, in the prior art, it was not possible to install an oil leakage detecting member at the lower part when the oil tank was buried underground. Since the oil tank had to be separated, it was difficult to continuously manage the leak detection member.

뿐만 아니라 유류탱크 하부에 설치된 수평으로 설치된 누유감지부재가 지하수 등의 영향에 의해 지반이 침하되는 경우에 설치위치가 변경되더라도 이를 쉽게 확인할 수 없었기 때문에 누유감지부재가 제기능을 발휘하는지 알 수 없었고, 감지부재의 증설 등에 어려움이 있었다.
In addition, even if the installation position is changed when the ground leaks down the horizontally installed oil-sensing member installed under the oil tank due to the influence of groundwater, it was not possible to check whether the oil-sensing member is functioning properly. There was a difficulty in the expansion of the sensing member.

이를 감안하여 본 발명자에 의하여 개시된 특허 제10-946941호에 의해 유류탱크의 누유감지수단에 의해 누유상태를 정확하고 신속하게 감지할 수 있게 되었는바, 본 발명은 상기와 같은 기술내용을 기반으로 하는 또 다른 형태의 누유감지수단에 관한 것이다.
In view of this, Patent No. 10-946941 disclosed by the present inventors has made it possible to accurately and quickly detect the state of leakage by an oil leakage detecting means of an oil tank. The present invention is based on the above technical contents. Another type of leak detection means.

본 발명은 지중으로 유류탱크가 매설된 상태에서 유류탱크의 주변에 등간격으로 수직으로 형성한 천공부에 다수의 통공이 형성된 유공관을 설치하고 상기 유공관 내에 원통형 지지관체를 삽입설치하되, 상기 원통형 지지관체에는, 비전도성 박막수지로 이루어진 상,하부 필름층 사이에 복수개의 저항선 및 도전선이 인쇄되어 있는 전도층과, 상기 저항선과 도전선에 접촉되어 누유를 감지할 수 있도록 한 누유안내구멍이 상부 필름층에 형성되어 있는 누유감지부재를 부착설치하여 누설되는 유류를 감지할 수 있도록 함으로서 누유감지부재의 설치 및 교체와 관리가 용이하며 설치비용도 절감할 수 있도록 한 유류탱크의 수직천공 누유감지장치 및 그 설치방법을 제공함에 있다.
The present invention is installed in the perforated portion formed in the perforated vertically formed at equal intervals at the periphery of the oil tank in the state in which the oil tank is buried underground, and the cylindrical support tube body is inserted into the oil pipe, the cylindrical support The tubular body has a conductive layer in which a plurality of resistance lines and conductive lines are printed between upper and lower film layers made of a non-conductive thin film resin, and an oil leakage guide hole for contacting the resistance line and the conductive line to detect leakage. Vertical perforated oil leak detection device of oil tank that can install, replace and manage the oil leak detection member, and reduce the installation cost by attaching and installing the oil leak detection member formed on the film layer. And to provide a method of installation.

본 발명은 유류탱크의 주변에 등간격으로 수직으로 형성한 천공부에 유공관이 직립되게 설치되되 주벽 둘레에 다수의 통공이 형성되어 중공부와 관통되게 한 유공관과; 상기 유공관 내에 수직으로 원통형 지지관체가 삽입 설치되되, 상기 원통형 지지관체에는, 비전도성 박막수지로 이루어진 하부 필름층과, 상기 하부 필름층의 상면에 일정한 저항값을 갖고 일정간격으로 2열 배치되어 누설되는 유류에 의해 폐회로를 구성할 수 있도록 한 2개의 저항선 및 상기 저항선과 일정간격이 유지되게 배치된 도전선이 인쇄되어 있는 누유감지층과, 상기 누유감지층의 상측에 2개의 저항선이 노출되어 누설되는 유류가 접촉될 수 있는 누유안내구멍이 형성되고 비전도성 박막수지로 이루어진 상부 필름층을 일체로 부착하여서 된 누유감지부재가 부착 설치되고; 상기 누유감지층의 저항선과 도전선은 통신선으로 연결되어 누유를 제어부로 인가되게 한 구성으로 누유를 감지할 수 있도록 한 유류탱크의 수직천공 누유감지장치 및 그 설치방법을 특징으로 한다.
The present invention is installed in the perforations formed vertically at equal intervals in the periphery of the oil tank in the upright tube is installed upright but a plurality of through-holes formed around the circumferential wall through the hollow portion; The cylindrical support tube is inserted and installed vertically in the perforated tube, wherein the cylindrical support tube has a lower film layer made of a non-conductive thin film resin, and is arranged in two rows at regular intervals with a constant resistance value on the upper surface of the lower film layer and leaks. Leakage detection layer on which two resistance wires and a conductive wire arranged to maintain a predetermined distance from the resistance wire are printed, and two resistance wires are exposed on the upper side of the leakage detection layer so as to form a closed circuit by oil. An oil leakage detecting member formed with oil leakage guide holes through which oil can be contacted and an upper film layer made of a non-conductive thin film resin integrally attached; The resistance line and the conductive line of the oil leakage sensing layer are connected to a communication line, and the oil leakage sensing device for vertical perforation of the oil tank for detecting oil leakage in a configuration in which oil leakage is applied to a controller, and a method of installing the same.

본 발명은 지중으로 유류탱크가 매설된 상태에서 유류탱크의 주변에 등간격으로 수직으로 천공하여 누유감지부재를 포함하는 누유감지장치의 설치가 간편하고 플룸의 형식으로 확산되는 오염지층의 누유상태를 정확하고 효과적으로 감지할 수 있으면서 누유감지신호를 무선으로 원격지에 있는 중앙제어장치를 누유시간 및 누유위치 등을 저장하고 디스플레이를 통해 실시간으로 모니터링할 수 있도록 있게 되므로 유류상태의 누유발생시에 신속하게 대처하여 보수작업을 할 수 있는 효과가 있다.The present invention facilitates the installation of an oil leak detection device including an oil leak detection member by drilling vertically at equal intervals around the oil tank in the state where the oil tank is buried underground, and the oil leakage state of the contaminated layer spread in the form of a plume. It can accurately and effectively detect the leak detection signal by wirelessly saving the leak time and location of the central control unit remotely and monitor it in real time through the display. There is an effect that can be repaired.

또, 본 발명의 누유감지부재에 있어서, 상부 필름층에 형성된 메쉬형 수지필터층은 누유안내구멍으로 이물질이 유입되는 것을 차단하여 저항선 손상에 의한 누유감지효율을 저하시키지 않고 지속적으로 정확한 누유감지를 할 수 있게 되며, 누유감지부재의 하부 필름층 저면에는 점착층과 이형지로 된 박리지층이 구비되어 박리지층을 떼어내어 누유감지부재를 지지대나 벽면 등에 간편하고 신속하게 부착사용할 수 있을 뿐만 아니라 원형의 누유감지부재에 의해 360°방향에서 누유감지를 할 수 있도록 함으로서 누설되는 유류방향에 따라 감지할 수 없는 사각지대를 방지할 수 있게 되므로 누유감지효율을 크게 향상 시키면서 누유감지부의 설치 및 교체와 관리가 용이하며 설치비용도 절감할 수 있는 효과가 있다.
In addition, in the oil leakage detecting member of the present invention, the mesh-type resin filter layer formed in the upper film layer prevents foreign matter from flowing into the oil leakage guide hole to continuously and accurately detect oil leakage without lowering the oil leakage detection efficiency due to resistance wire damage. At the bottom of the lower film layer of the oil leak detection member, a release paper layer made of an adhesive layer and a release paper is provided to remove the release paper layer so that the oil leakage detection member can be easily and quickly attached to a support or a wall, as well as a circular oil leak. By detecting the leakage in 360 ° direction by the sensing member, it is possible to prevent blind spots that cannot be detected according to the leaking oil direction. Therefore, it is possible to install, replace, and manage the leakage detection unit while greatly improving the leakage detection efficiency. It is easy and has the effect of reducing installation costs.

도 1은 본 발명에 따른 누유감지장치를 유류탱크의 주변에 수직으로 천공하여 설치한 상태를 나타낸 평면 예시도.
도 2는 본 발명에 따른 누유감지장치의 설치상태를 나타낸 종단면도.
도 3은 본 발명에 따른 누유감지장치의 구성을 나타낸 분해 사시도.
도 4는 본 발명에 따른 제어부의 구성을 나타낸 사시도.
도 5는 본 발명에 따른 감지부재의 성치상태를 나타낸 확대 단면도.
도 6은 본 발명의 감지부재를 나타낸 일부 확대 단면 예시도.
도 7은 본 발명에 따른 누유감지층에 구비된 저항선 및 도전선의 배치형태를 나타낸 일부 확대 사시도.
도 8은 본 발명에 따른 누유감지층의 저항선 및 도전선을 통신선으로 연결한 구성을 나타낸 예시도.
도 9는 본 발명의 누유감지층에서 누유감지시에 저항선이 폐회로를 구성하는 것을 나타낸 구성 회로도.
도 10은 본 발명의 누유감지부재에 인가된 누유감지신호의 무선검출 흐름도.
도 11은 본 발명의 상부 필름층에 수지필터층을 구비한 단면 예시도.
도 12는 본 발명의 하부 필름층에 점착층과 박리지층을 구비한 단면 예시도.
도 13의 (가)(나)는 본 발명의 누유감지부재를 원형으로 구성한 상태를 나타낸 사시도 및 평면도.1 is a planar view showing a state in which the oil leakage detecting apparatus according to the present invention is installed by drilling vertically around the oil tank.
Figure 2 is a longitudinal sectional view showing an installation state of the oil leakage detecting apparatus according to the present invention.
Figure 3 is an exploded perspective view showing the configuration of the leak detection apparatus according to the present invention.
4 is a perspective view showing the configuration of a control unit according to the present invention;
Figure 5 is an enlarged cross-sectional view showing a state of state of the sensing member according to the present invention.
6 is a partially enlarged cross-sectional view showing a sensing member of the present invention.
7 is a partially enlarged perspective view showing the arrangement of the resistance line and the conductive line provided in the oil leakage sensing layer according to the present invention.
8 is an exemplary view showing a configuration in which the resistance line and the conductive line of the oil leakage sensing layer according to the present invention are connected by a communication line.
9 is a configuration circuit diagram showing that a resistance line constitutes a closed circuit in the leakage detection layer of the present invention.
10 is a wireless detection flow chart of the leak detection signal applied to the leak detection member of the present invention.
Figure 11 is an exemplary cross-sectional view having a resin filter layer on the upper film layer of the present invention.
Figure 12 is an exemplary cross-sectional view having an adhesive layer and a release paper layer on the lower film layer of the present invention.
Figure 13 (a) (b) is a perspective view and a plan view showing a state in which the leak detection member of the present invention configured in a circular shape.

이하 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 상세히 설명하면 다음과 같다. 그리고 본 발명을 설명함에 있어서, 관련된 공지기능 혹은 구성에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 경우 그 상세한 설명을 생략한다.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

본 발명은 지중으로 유류탱크가 매설된 상태에서 유류탱크의 주변에 수직으로 천공한 천공부에 누유감지부재를 설치하여 지층으로 유류가 누설되는 것을 감지하는 것에 관한 것이다.
The present invention relates to detecting the leakage of oil into the ground by installing an oil leakage detecting member in a perforated portion vertically drilled around the oil tank in the state where the oil tank is buried underground.

본 발명에 따른 누유감지장치는, 유류탱크(10)의 주변에 등간격으로 수직으로 형성한 천공부(20)에 유공관(30)이 직립되게 설치되되 주벽(32) 둘레에 다수의 통공(36)이 형성되어 중공부(34)와 관통되게 한 유공관(30)과;
상기 유공관(30) 내에 수직으로 원통형 지지관체(44)가 삽입설치되되, 상기 원통형 지지관체(44)에는, 비전도성 박막수지로 이루어진 하부 필름층(50)과, 상기 하부 필름층(50)의 상면에 일정한 저항값을 갖고 일정간격으로 2열 배치되어 누설되는 유류에 의해 폐회로를 구성할 수 있도록 한 2개의 저항선(62) 및 상기 저항선(62)과 일정간격이 유지되게 배치된 도전선(64)이 인쇄되어 있는 누유감지층(60)과, 상기 누유감지층(60)의 상측에 2개의 저항선(62)이 노출되어 누설되는 유류가 접촉될 수 있는 누유안내구멍(72)이 형성되고 비전도성 박막수지로 이루어진 상부 필름층(70)을 일체로 부착하여서 된 누유감지부재(40)가 부착설치되고; 상기 누유감지층(60)의 저항선(62)과 도전선(64)은 통신선(68)으로 연결되어 제어부(80)로 인가되게 한 구성으로 누유를 감지할 수 있도록 한 것을 특징으로 한다.
Oil leakage detection apparatus according to the present invention, the oil hole pipe 30 is installed in the perforated portion 20 formed vertically at equal intervals around the oil tank (10) upright but a plurality of through holes around the main wall (32) (36) A hole hole 30 formed to penetrate the hollow part 34;
The cylindrical support tube 44 is vertically inserted into the hole tube 30, and the cylindrical support tube 44 includes a lower film layer 50 made of a non-conductive thin film resin, and the lower film layer 50. Two resistance wires 62 having a predetermined resistance value on the upper surface and arranged in two rows at a predetermined interval so as to form a closed circuit by oil leaking, and a conductive wire 64 disposed to maintain a predetermined interval with the resistance wire 62. The oil leakage detection layer 60, which is printed on the surface of the oil leakage detection layer 60, and the two resistance wires 62 are exposed on the upper side of the oil leakage detection layer 60, and oil leakage guide holes 72 through which oil leaks can be contacted. An oil leakage detecting member 40 formed by integrally attaching the upper film layer 70 made of a conductive thin film resin is attached; The resistance line 62 and the conductive line 64 of the leakage detecting layer 60 may be connected to the communication line 68 to detect leakage in a configuration that is applied to the controller 80.

상기 천공부(20)는, 지중에 매설되는 유류탱크(10)의 주변에 등간격으로 형성하되 유류탱크(10)의 하부보다 더 낮은 깊이로 수직 형성하여 천공부(20)의 내측에 설치되는 누유감지부재(40)에 의해 유류탱크(10)의 측부 및 하부에서 누설되는 유류를 감지할 수 있도록 함이 바람직하다.
The perforations 20 are formed at equal intervals around the oil tank 10 embedded in the ground, but are formed at a lower depth than the lower portion of the oil tank 10 to be installed inside the perforations 20. It is preferable to be able to detect the oil leaking from the side and bottom of the oil tank 10 by the oil leakage detecting member 40.

상기 유공관(30)의 길이는 천공부(20)의 수직 천공길이와 같거나 길게 형성하고, 유공관(30)의 직경은 천공부(20)의 직경에 비해 절반 정도로 구비하여 천공부(20)와 유공관(30) 사이에 있는 간극부(22)가 형성되도록 하여 유공관(30)의 설치가 용이하도록 함과 아울러 간극부(22)에 모래를 채워 다공층(24)을 형성한 구성으로 다공층(24)에 의해 누설되는 유류가 신속하게 유공관(30) 내에 침투할 수 있도록 한다.
The length of the perforated pipe 30 is formed to be equal to or longer than the vertical perforated length of the perforated portion 20, the diameter of the perforated pipe 30 is provided with about half the diameter of the perforated portion 20 and the perforated portion 20 The gap 22 is formed between the hole 20 to facilitate the installation of the hole 30, and the porous layer 24 is formed by filling sand in the gap 22 to form a porous layer 24. The oil leaked by 24 may be quickly penetrated into the oil hole 30.

상기 누유감지부재(40)는, 하부 필름층(50)과 누유감지층(60), 상부 필름층(70)이 일체로 부착된 띠형으로 이루어져 있다.
The oil leakage detecting member 40 has a strip shape in which the lower film layer 50, the oil leakage detecting layer 60, and the upper film layer 70 are integrally attached.

하부 필름층(50)은 비전도성 합성수지 박막수지로 이루어져서 절연이 이루어지도록 하고 하부 필름층(50)의 상면에 누유감지층(60)을 인쇄 형태로 형성하게 된다.
The lower film layer 50 is made of a non-conductive synthetic resin thin film resin to insulate and form an oil leakage detecting layer 60 on the upper surface of the lower film layer 50 in a printing form.

누유감지층(60)은 저항선(62)과 도전선(64)을 배치하되 저항선(62)은 일정한 저항값을 갖도록 하고 일정간격으로 2열 배치되어 누설되는 유류에 의해 2개의 저항선(62)이 폐회로를 구성할 수 있도록 하고, 도전선(64)은 상기 저항선(62)과 일정간격이 유지되게 2개의 도전선(64)이 배치되고 2개의 도전선(64)은 2개의 저항선(62)과 직렬로 각각 연결되어 2개의 저항선(62)이 폐회로를 구성하면서 달라지는 저항값과 전압값에 의해 누유를 감지할 수 있도록 하고, 상기 저항선(62)과 도전선(64)은 연결접속구(66)에 의해 통신선(68)과 연결되어 제어부(80)로 감지신호를 인가하게 된다.
The oil leakage sensing layer 60 includes a resistance line 62 and a conductive line 64, but the resistance line 62 has a constant resistance value, and two resistance lines 62 are formed by two lines of oil leaked at a predetermined interval. In order to form a closed circuit, two conductive lines 64 are disposed so that the conductive lines 64 and the resistance lines 62 are maintained at a predetermined distance, and the two conductive lines 64 are formed of two resistance lines 62 and The two resistance wires 62 are connected in series so that leakage resistance can be detected by the resistance value and the voltage value which are changed while forming the closed circuit, and the resistance wire 62 and the conductive wire 64 are connected to the connection port 66. It is connected to the communication line 68 by applying a detection signal to the control unit 80.

상부 필름층(70)은 비전도성 합성수지 박막수지로 이루어져서 하부 필름층(50)의 상면에 인쇄형태로 형성된 누유감지층(60)의 표면을 보호할 수 있도록 하되 2개의 저항선(62)은 외부로 노출되어 누설되는 유류가 저항선(62)에 접촉되어 폐회로를 구성하는 수단으로 누유를 감지할 수 있도록 누유안내구멍(72)을 형성하되 누설되는 유류가 2개의 저항선(62)에 최대한 접촉이 이루어질 수 있도록 장방형의 누유안내구멍(72)을 저항선(62)의 길이방향으로 일정간격에 형성하되 누유안내구멍(72)과 누유안내구멍(72)의 간격을 이루는 연결부의 폭은 최소로 함이 바람직하다.
The upper film layer 70 is made of a non-conductive synthetic resin thin film resin so as to protect the surface of the oil leakage detecting layer 60 formed in the printing form on the upper surface of the lower film layer 50, but the two resistance lines 62 to the outside. The leaked oil leaks into the resistance wire 62 and forms a leakage guide hole 72 so that leakage oil can be detected as a means of constituting a closed circuit, but the leaked oil can make maximum contact with the two resistance wires 62. The rectangular oil leakage guide hole 72 is formed at a predetermined interval in the longitudinal direction of the resistance wire 62 so that the width of the connecting portion forming the gap between the oil leakage guide hole 72 and the oil leakage guide hole 72 is preferably minimized. .

또한, 도 11은 상기 누유감지부재(40)의 상부 필름층(70)에 메쉬형 수지필터층(74)을 더 형성하여 누유안내구멍(72)으로 모래 등과 같은 이물질이 유입되어 저항선(62)의 누유감지효율을 저하시키는 것을 방지함과 아울러 수지필터층(74)에 의해 저항선(62)을 보호할 수 있는 기능을 수행하게 된다.
In addition, FIG. 11 further forms a mesh type resin filter layer 74 in the upper film layer 70 of the oil leakage detecting member 40 to introduce foreign substances such as sand into the oil leakage guide hole 72 so that the resistance line 62 may be formed. In addition to preventing the oil leakage detection efficiency from being lowered, the resin filter layer 74 serves to protect the resistance line 62.

또, 도 12는 상기 누유감지부재(40)의 하부 필름층(50) 저면에는 점착층(52)과 이형지로 이루어져서 쉽게 떼어낼 수 있는 박리지층(54)으로 구비되어 누유감지부재(40)를 지지대(42)나 벽면 등에 간편하고 신속하게 부착사용할 수 있음은 물론이다.
In addition, FIG. 12 is provided with a release paper layer 54 formed on the bottom of the lower film layer 50 of the oil leakage detecting member 40 and made of an adhesive layer 52 and a release paper to easily detach the oil leakage detecting member 40. Of course, it can be used easily and quickly attached to the support 42 or the wall.

본 발명에서는 특히 상기 누유감지부재(40)를 원통형의 지지관체(44) 원주면을 따라 설치하여 도 13과 같이 구성된 원형의 누유감지부재(40)에 의해 360°방향에서 누유감지를 할 수 있도록 함으로서 누설되는 유류방향에 따라 감지할 수 없는 사각지대를 방지할 수 있도록 한다.
In the present invention, in particular, the oil leakage detecting member 40 is installed along the circumferential surface of the cylindrical support pipe 44 so that oil leakage detection can be detected in a 360 ° direction by the circular oil leakage detecting member 40 configured as shown in FIG. 13. This prevents blind spots that can't be detected depending on the leaking oil direction.

그리고 상기 저항선(62)과 도전선(64)은 연결접속구(66)에 의해 통신선(68)과 연결되어 제어부(80)로 감지신호를 인가하되 2개의 저항선(62)이 폐회로를 구성하면서 달라지는 저항값과 전압값의 변동에 따른 누유감지상태를 제어부(80)에 인가하여 거리 표시 및 경고음 등을 발생시키는 등의 감지수단에 의해 누유감지가 이루어지도록 한다.
In addition, the resistance line 62 and the conductive line 64 are connected to the communication line 68 by the connection connector 66 to apply a detection signal to the control unit 80, but the resistance that is changed while the two resistance lines 62 constitute a closed circuit. The oil leakage detection state according to the change of the value and the voltage value is applied to the controller 80 so that the oil leakage detection is performed by the sensing means such as generating a distance indication and a warning sound.

상기 제어부(80)는, 유공관(30)의 상단부를 밀착되는 하부 받침판(84)에 수직으로 연결관(82)이 연결되고 연결관(82) 상단부에 설치된 제어판넬(86) 내부에 누설 지점 표시 및 경고음을 발생시키기 위한 제어모듈이 구비되어 있다.
The control unit 80 is connected to the lower support plate 84 in close contact with the upper end of the perforated pipe 30 perpendicular to the connection pipe 82 and the display of the leakage point in the control panel 86 installed in the upper end of the connection pipe 82 And a control module for generating a warning sound.

그리고 도 10은 제어부(80)의 누유감지신호를 무선으로 원격감지할 수 있도록 한 구성도로서, 이는 누유감지신호에 대해 정확한 송신이 이루어지도록 제어하는 마이크로콘트롤러(90)와, 상기 마이크로콘트롤러(90)에 의해 인가된 누유감지신호를 원격 감지를 위해 송신하도록 구비된 무선통신부(92)와, 상기 무선통신부(92)를 통해 수신된 누유감지신호를 원격지에서 무선수신하는 중앙제어장치(94);로 이루어진다.
10 is a configuration diagram for remotely detecting an oil leakage detection signal of the controller 80, which is a microcontroller 90 for controlling accurate transmission of the oil leakage detection signal, and the microcontroller 90. A wireless communication unit 92 provided to transmit a leak detection signal applied by the wireless communication unit for remote sensing, and a central control unit 94 for wirelessly receiving a leak detection signal received through the radio communication unit 92 from a remote location; Is made of.

상기 마이크로콘트롤러(90)는, 제어부(80)를 통해 입력되는 누유감지신호에 대해 정확한 송신이 이루어지도록 특정 레벨의 신호와 주파수를 분석하여 무선통신부(92)로 전달하게 되며, 상기 무선통신부(92)는, 마이크로콘트롤러(90)에 의해 인가된 누유감지신호를 원격 감지을 위해 송신하도록 구비되되 RF송수신 모듈로 이루어지고 송신주파수로 필터링하는 송신실터와 수신주파수로 필터링을 하는 수신필터를 포함하는 구성으로 송수신이 이루어지도록 하여 노이즈가 적고 송수신의 신뢰성을 높일 수 있도록 함이 바람직하다.
The microcontroller 90 analyzes a signal and a frequency of a specific level and transmits the signal and frequency to a wireless communication unit 92 so as to accurately transmit a leakage detection signal input through the control unit 80, and the wireless communication unit 92. ) Is configured to transmit a leak detection signal applied by the microcontroller 90 for remote sensing, and comprises an RF transmission / reception module and a reception filter for filtering by a transmission frequency and a reception filter for filtering by a reception frequency. The transmission and reception is preferably performed so that the noise is small and the reliability of the transmission and reception can be improved.

상기 중앙제어장치(94)는, 무선통신부(92)를 통해 수신된 누유감지신호를 원격지에서 무선수신하되 누유시간 및 누유위치 등을 저장하고 디스플레이를 통해 실시간으로 모니터링할 수 있도록 함과 아울러 누유감지신호를 경보음으로 전달할 수 있도록 한다.
The central control unit 94, while receiving the leak detection signal received through the wireless communication unit 92 from the remote place to store the leak time and the leak location, and to monitor in real time through the display and also leak detection Allow signal to be sent as an alarm sound.

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상기와 같이 설치되는 본 발명의 유류탱크의 수직천공 누유감지장치는 지중에 유류탱크(10)가 매설된 상태에서 유류탱크(10)의 주변에 수직으로 천공한 천공부(20)에 간편하고 신속하게 설치하게 되는바, 이는 유류탱크(10)에서 누유가 발생하여 플룸(plume)의 형식으로 확산이 되면 유류탱크(10)의 주변에 등간격으로 수직으로 천공된 어느 하나의 천공부(20)에 도달하게 되면서 천공부(20)에 설치된 유공관(30)을 거쳐 누유감지부재(40)에 도달하게 되면 하부 필름층(50)과 누유감지층(60), 상부 필름층(70)이 일체로 부착된 누유감지부재(40)로 이루어진 누유감지층(60)에 구비되어 있는 2개의 저항선(62)에 접촉되어 폐회로를 구성하는 수단으로 누유를 감지하여 이를 제어부(80)에 인가하는 수단으로 누유감지를 하게 된다.
Vertical perforated oil leakage detection device of the oil tank of the present invention installed as described above is simple and quick in the perforated portion 20 perforated vertically around the oil tank 10 in the state in which the oil tank 10 is buried underground When the oil leakage occurs in the oil tank (10) is diffused in the form of a plum (plume) is any one of the perforations 20 perforated vertically at equal intervals vertically around the oil tank (10) When reaching the oil leakage detecting member 40 through the oil hole pipe 30 installed in the perforations 20, the lower film layer 50, the oil leakage detecting layer 60, the upper film layer 70 is integrally The oil leakage is detected by means of contacting the two resistance wires 62 provided in the oil leakage detection layer 60 including the attached leakage detection member 40 to form a closed circuit and applying the same to the controller 80. Will be detected.

상기와 같이 누설되는 유류가 누유감지부재(40)의 상부 필름층(70)에 형성된 누유안내구멍(72)을 통해 저항선(62)에 접촉이 이루어지게 되면 일정한 저항값을 갖고 일정간격으로 2열 배치되어 있는 2개의 저항선(62)이 폐회로를 구성하면서 이와 직렬로 연결된 2개의 도전선(64)에 의해 달라지는 저항값과 전압값을 통신선(68)을 통해 제어부(80)로 감지신호를 인가하여 제어부(80)에서 거리 표시 및 경고음과 같은 경보신호에 의해 누유상태를 지속적으로 감지할 수 있게 된다.
When the leaked oil comes into contact with the resistance line 62 through the oil leakage guide hole 72 formed in the upper film layer 70 of the oil leakage detecting member 40, the oil leaks in two rows at a predetermined interval. While the two resistance wires 62 are arranged in a closed circuit, the detection signal is applied to the controller 80 through the communication line 68 with a resistance value and a voltage value different from the two conductive wires 64 connected in series. The controller 80 may continuously detect a leakage state by an alarm signal such as a distance display and a warning sound.

즉, 본 발명의 누유감지부재(40) 상부 필름층(70)에 메쉬형 수지필터층(74)이 형성되어 있는 경우에는 누유안내구멍(72)으로 이물질이 유입되는 것을 차단하여 저항선(62)에 의한 누유감지효율을 저하시키지 않고 지속적으로 정확한 누유감지를 할 수 있게 되며, 누유감지부재(40)의 하부 필름층(50) 저면에는 점착층(52)과 이형지로 된 박리지층(54)이 구비되어 박리지층(54)을 떼어내어 누유감지부재(40)를 지지관체(44)에 간편하고 신속하게 부착사용할 수 있을 뿐만 아니라 누유감지부재(40)를 원형으로 부착하여 360°방향에서 누유감지를 할 수 있도록 함으로써 누설되는 유류방향에 따라 감지할 수 없는 사각지대를 방지할 수 있게 되므로 누유감지부재(40)의 설치 및 교체와 관리가 용이하며 설치비용도 절감할 수 있게 된다.
That is, when the mesh-type resin filter layer 74 is formed in the oil leakage detecting member 40 and the upper film layer 70 of the present invention, the foreign material flows into the resistance wire 62 by blocking foreign substances from flowing into the oil leakage guide hole 72. It is possible to continuously and accurately detect the oil leakage without lowering the oil leakage detection efficiency, and the adhesive layer 52 and the release paper layer 54 made of a release paper is provided on the bottom of the lower film layer 50 of the oil leakage detecting member 40. Since the release paper layer 54 is removed, the oil leakage detecting member 40 can be easily and quickly attached to the support pipe 44, and the oil leakage detecting member 40 is circularly attached to detect the oil leakage in the 360 ° direction. By doing so, it is possible to prevent blind spots that can not be detected in accordance with the leaking oil direction, so it is easy to install and replace and manage the oil leakage detecting member 40 and reduce the installation cost.

그리고 본 발명에서는 누유감지장치를 설치하기 위해 수직으로 천공한 천공부(20)와 유공관(30) 사이에 간극부(22)를 형성하고 그 간극부(22)에 모래를 채워 다공층(24)을 형성함으로서 유류탱크(10)에서 누유가 발생하여 플룸(plume)의 형식으로 확산이 되는 유류가 쉽게 스며들어 유공관(30) 내에 침투가 용이하도록 하므로 누유감지부재(40)에 의해 감지효율성을 극대화할 수 있게 된다.
In the present invention, the gap portion 22 is formed between the vertically perforated portion 20 and the perforated tube 30 in order to install the oil leakage detection device, and the sand is filled in the gap portion 22 to form the porous layer 24. By forming the oil leakage in the oil tank 10, the oil spreading in the form of a plum (plum) easily penetrates into the oil pipe 30 so as to easily penetrate into the oil leak detection member 40 to maximize the detection efficiency You can do it.

또, 본 발명은 수직으로 천공된 천공부(20)에 누유감지부재(40)가 부착된 지지관체(44)를 삽입 설치하는 구성이므로 누유감지부재(40)의 이상 발생시에는 천공부(20) 상부를 통해 교체 및 수리가 용이하므로 안정적이고 지속적인 관리를 할 수 있게 된다.
In addition, since the present invention is configured to insert the support pipe body 44 with the oil leakage detecting member 40 in the vertically perforated drilling portion 20, when the oil leakage detecting member 40 is abnormal, the drilling portion 20 is formed. The upper part is easy to replace and repair, allowing stable and continuous maintenance.

또한, 본 발명에서는 제어부(80)를 통해 입력되는 누유감지신호를 원격지에서 무선으로 수신하여 실시간으로 누유상태를 신속하게 감지할 수 있게 되므로 편리하고 신속한 대응이 가능하게 되는 것으로, 유류탱크(10)에서 누유가 발생하는 경우에 제어부(80)를 통해 마이크로콘트롤러(90)에 누유감지신호가 전달되면 마이크로콘트롤러(90)에서는 정확한 송신이 이루어지도록 특정 레벨의 신호와 주파수를 분석하여 무선통신부(92)로 전달하고 무선통신부(92)에서 원격지에 있는 중앙제어장치(94)에 무선으로 송신하여 중앙제어장치(94)의 디스플레이 등으로 누유감지신호를 누유시간 및 누유위치 등을 실시간으로 모니터링 및 경보음으로 확인이 가능하므로 누설되는 유류를 신속하게 감지하여 토양과 지하수가 오염되지 않도록 한 신속한 조치를 할 수 있게 된다.
In addition, in the present invention, since the oil leakage detection signal input through the controller 80 can be wirelessly received from a remote place, the oil leakage state can be quickly detected in real time, so that the oil tank 10 can be conveniently and quickly responded. When leakage occurs in the microcontroller 90 through the control unit 80, the leakage detection signal is transmitted to the microcontroller 90 to analyze the signal and the frequency of a specific level so that the correct transmission is performed by the wireless communication unit 92 And wirelessly transmit from the wireless communication unit 92 to the central control unit 94 at a remote location and monitor the leakage time and leakage position in real time using the display of the central control unit 94 and the like. As it can be checked, the leaked oil can be detected quickly so that the soil and groundwater can be quickly contaminated. do.

이상에서 본 발명은 상기 실시예를 참고하여 설명하였지만 본 발명의 기술사상범위내에서 다양한 변형실시가 가능함은 물론이다.
While the present invention has been described with reference to the exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.

10 : 유류탱크 20 : 천공부
22 : 간극부 24 : 다공층
30 : 유공관 32 : 주벽
34 : 중공부 36 : 통공
40 : 누유감지부재 42 : 지지대
44 : 지지관체 50 : 하부 필름층
52 : 점착층 54 : 박리지층
60 : 누유감지층 62 : 저항선
64 : 도전선 66 : 연결접속구
68 : 통신선 70 : 상부 필름층
72 : 누유안내구멍 74 : 수지필터층
80 : 제어부 82 : 연결관
84 : 받침판 86 : 제어판넬
90 : 마이크로콘트롤러 92 : 무선통신부
94 : 중앙제어장치10: oil tank 20: drilling part
22: gap portion 24: porous layer
30: merit pipe 32: main wall
34: hollow part 36: through hole
40: leak detection member 42: support
44: support body 50: lower film layer
52: adhesive layer 54: release paper layer
60: leak detection layer 62: resistance wire
64: conductive wire 66: connection port
68: communication line 70: upper film layer
72: oil leakage guide hole 74: resin filter layer
80 control unit 82 connector
84: base plate 86: control panel
90: microcontroller 92: wireless communication unit
94: central control unit

Claims (10)

유류탱크(10)의 주변에 등간격으로 수직으로 형성한 천공부(20)에 유공관(30)이 직립되게 설치되되 주벽(32) 둘레에 다수의 통공(36)이 형성되어 중공부(34)와 관통되게 한 유공관(30)과;
상기 유공관(30) 내에 수직으로 원통형 지지관체(44)가 삽입 설치되되,
상기 원통형 지지관체(44)에는,
비전도성 박막수지로 이루어진 하부 필름층(50)과, 상기 하부 필름층(50)의 상면에 일정한 저항값을 갖고 일정간격으로 2열 배치되어 누설되는 유류에 의해 폐회로를 구성할 수 있도록 한 2개의 저항선(62) 및 상기 저항선(62)과 일정간격이 유지되게 배치된 도전선(64)이 인쇄되어 있는 누유감지층(60)과, 상기 누유감지층의 상측에 2개의 저항선(62)이 노출되어 누설되는 유류가 접촉될 수 있는 누유안내구멍(72)이 형성되고 비전도성 박막수지로 이루어진 상부 필름층(70)으로 이루어지고, 상기 상부 필름층(70)에는 메쉬형 수지필터층(74)이 더 형성되어 누유안내구멍(72)으로 이물질이 유입되는 것을 차단할 수 있도록 한 누유감지부재(40)가 부착 설치되며,
상기 누유감지부재(40)는 상기 원통형 지지관체(44)의 원주면을 따라 설치하여 상기 누유감지부재(40)에 의해 360도 방향에서 누유감지를 할 수 있도록 하고;
상기 누유감지층(60)의 저항선(62)과 도전선(64)은 통신선(68)으로 연결되어 제어부(80)로 인가되게 한 구성으로 누유를 감지할 수 있도록 한 것을 특징으로 하는 유류탱크의 수직천공 누유감지장치.
The oil perforated pipe 30 is installed upright in the perforated part 20 formed vertically at equal intervals around the oil tank 10, but a plurality of through holes 36 are formed around the main wall 32 to form the hollow part 34. And through hole pipe 30 and;
The cylindrical support tube 44 is inserted into the vertical hole 30 vertically installed,
The cylindrical support tube 44,
Lower film layer 50 made of a non-conductive thin film resin, and two rows having a constant resistance value on the upper surface of the lower film layer 50 and arranged in two rows at regular intervals to form a closed circuit by the leaked oil An oil leakage detecting layer 60 on which a resistance line 62 and a conductive line 64 arranged to be maintained at a predetermined distance from the resistance line 62 are printed, and two resistance lines 62 are exposed on the oil leakage sensing layer. The oil leakage guide hole 72 is formed to contact the leaking oil is formed of an upper film layer 70 made of a non-conductive thin film resin, the upper film layer 70 has a mesh-type resin filter layer 74 It is further formed to be attached to the oil leakage detecting member 40 to block the foreign matter flowing into the oil leakage guide hole 72,
The oil leakage detecting member 40 is installed along the circumferential surface of the cylindrical support tube 44 to allow oil leakage detection in the 360 degree direction by the oil leakage detecting member 40;
The resistance line 62 and the conductive line 64 of the oil leakage sensing layer 60 are connected to the communication line 68 so that the oil leakage can be detected in a configuration that is applied to the controller 80. Vertical perforated leak detection device.
제 1항에 있어서,
상기 천공부(20)는, 지중에 매설되는 유류탱크(10)의 주변에 등간격으로 형성하되 유류탱크(10)의 하부보다 더 낮은 깊이로 수직 형성하여 천공부(20)의 내측에 설치되는 누유감지부재(40)에 의해 유류탱크(10)의 측부 및 하부에서 누설되는 유류를 감지할 수 있도록 한 것을 특징으로 하는 유류탱크의 수직천공 누유감지장치.
The method of claim 1,
The perforations 20 are formed at equal intervals around the oil tank 10 embedded in the ground, but are formed at a lower depth than the lower portion of the oil tank 10 to be installed inside the perforations 20. Vertical perforated oil leakage detection device of the oil tank, characterized in that to detect the oil leakage from the side and bottom of the oil tank 10 by the oil leakage detecting member (40).
제 1항에 있어서,
상기 유공관(30)의 길이는 천공부(20)의 수직 천공길이와 같거나 길게 형성하고, 유공관(30)의 직경은 천공부(20)의 직경에 비해 절반 정도로 구비하여 천공부(20)와 유공관(30) 사이에 간극부(22)가 형성되도록 한 것을 특징으로 하는 유류탱크의 수직천공 누유감지장치.
The method of claim 1,
The length of the perforated pipe 30 is formed to be equal to or longer than the vertical perforated length of the perforated portion 20, the diameter of the perforated pipe 30 is provided with about half the diameter of the perforated portion 20 and the perforated portion 20 Vertical perforated oil leakage detection device of the oil tank, characterized in that the gap portion 22 is formed between the oil hole (30).
삭제delete 제 1항에 있어서,
상기 누유감지부재(40)의 하부 필름층(50) 저면에 점착층(52)과 이형지로 된 박리지층(54)이 구비되어 누유감지부재(40)를 원통형 지지관체(44)에 부착사용할 수 있도록 한 것을 특징으로 하는 유류탱크의 수직천공 누유감지장치.
The method of claim 1,
An adhesive layer 52 and a release paper layer 54 made of release paper are provided on the bottom surface of the lower film layer 50 of the oil leakage detecting member 40 to attach the oil leakage detecting member 40 to the cylindrical support tube 44. Vertical perforated oil leakage detection device, characterized in that the oil tank.
삭제delete 제 1항에 있어서,
상기 제어부(80)는 누유감지신호에 대해 정확한 송신이 이루어지도록 제어하는 마이크로콘트롤러(90)와, 상기 마이크로콘트롤러(90)에 의해 인가된 누유감지신호를 원격 감지를 위해 송신하도록 구비된 무선통신부(92)와, 상기 무선통신부(92)를 통해 수신된 누유감지신호를 원격지에서 무선수신하는 중앙제어장치(94);를 더 포함하여서 됨을 특징으로 하는 유류탱크의 수직천공 누유감지장치.
The method of claim 1,
The controller 80 may include a microcontroller 90 for controlling accurate transmission of the leak detection signal and a wireless communication unit configured to transmit a leak detection signal applied by the microcontroller 90 for remote sensing. 92), and a central control unit (94) for wirelessly receiving a leakage detection signal received through the wireless communication unit from a remote location; vertical perforated leakage detection device of the oil tank characterized in that it further comprises.
삭제delete 삭제delete 삭제delete
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KR101145008B1 (en) 2011-12-05 2012-05-11 주식회사 그린솔루션 Oil-leakage detector with control system
KR20190097891A (en) 2018-02-13 2019-08-21 (주)동명엔터프라이즈 Oil leakage detection apparatus for detecting soil ground water contaminating

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KR100909242B1 (en) * 2008-04-24 2009-07-27 (주)유민에쓰티 Leak sensor apparatus for sensing moisture
KR100946941B1 (en) * 2009-12-24 2010-03-11 주식회사 그린솔루션 Oil leak detector of oil storage tank and method of establishing thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100909242B1 (en) * 2008-04-24 2009-07-27 (주)유민에쓰티 Leak sensor apparatus for sensing moisture
KR100946941B1 (en) * 2009-12-24 2010-03-11 주식회사 그린솔루션 Oil leak detector of oil storage tank and method of establishing thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101145008B1 (en) 2011-12-05 2012-05-11 주식회사 그린솔루션 Oil-leakage detector with control system
KR20190097891A (en) 2018-02-13 2019-08-21 (주)동명엔터프라이즈 Oil leakage detection apparatus for detecting soil ground water contaminating

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