KR101331870B1 - Deterioration sensing method of power line connecting pant - Google Patents

Deterioration sensing method of power line connecting pant Download PDF

Info

Publication number
KR101331870B1
KR101331870B1 KR1020120135698A KR20120135698A KR101331870B1 KR 101331870 B1 KR101331870 B1 KR 101331870B1 KR 1020120135698 A KR1020120135698 A KR 1020120135698A KR 20120135698 A KR20120135698 A KR 20120135698A KR 101331870 B1 KR101331870 B1 KR 101331870B1
Authority
KR
South Korea
Prior art keywords
power line
line connection
temperature sensor
connection point
temperature sensors
Prior art date
Application number
KR1020120135698A
Other languages
Korean (ko)
Inventor
신윤조
Original Assignee
조성전력 주식회사
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 조성전력 주식회사 filed Critical 조성전력 주식회사
Priority to KR1020120135698A priority Critical patent/KR101331870B1/en
Application granted granted Critical
Publication of KR101331870B1 publication Critical patent/KR101331870B1/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/20—Cable fittings for cables filled with or surrounded by gas or oil
    • H02G15/28—Cable fittings for cables filled with or surrounded by gas or oil structurally associated with devices for indicating the presence or location of non-electric faults

Abstract

The present invention relates to a method for detecting the deterioration of a power line connection part. The method for detecting the deterioration of a power line connection part includes the following steps: a temperature sensor attachment step for radially attaching multiple temperature sensors (20) to a power line connection part (10), and also for attaching a single reference temperature sensor (40), which is separated from the temperature sensors (20) in a lengthwise direction, to the power line connection part; a temperature measurement step for individually measuring the temperature of the power line connection part (10) by using the multiple temperature sensors (20), and also for measuring a reference temperature by using the reference temperature sensor (40); and a measurement value calculation step for calculating a measurement value of each temperature sensor (20) and a measurement value of the reference temperature sensor (40), and then determining whether the power line connection part (10) is deteriorated. The reference temperature sensor (40) and each of the multiple temperature sensors (20), which are radially formed at the power line connection part (10), are integrally formed at a second insulation layer (11) of a power line when the second insulation layer (11) is produced. Since multiple temperature sensors are integrally formed at a power line connection part, the present invention can accurately and quickly detect the deterioration of the power line connection part, enables the temperature sensors to be used for a long time without being damaged or separated, and can reduce maintenance costs.

Description

전력선 접속개소의 열화 감지방법{deterioration sensing method of power line connecting pant}Deterioration sensing method of power line connecting pant

본발명은 전력선 접속개소의 열화 감지방법에 관한 것으로, 보다 상세하게는 전력선 접속개소에 다수 개의 온도센서를 일체로 하여 형성하고 상기 온도센서에서 감지된 온도의 차이를 파악함으로써 신속하고 정밀하게 전력선 접속개소의 열화를 감지할 수 있는 전력선 접속개소의 열화 감지방법에 관한 것이다.The present invention relates to a method for detecting degradation of a power line connection point, and more particularly, by forming a plurality of temperature sensors integrally at a power line connection point and grasping the difference in temperature sensed by the temperature sensor. The present invention relates to a method for detecting degradation of a power line connection point capable of detecting degradation of a location.

일반적으로 전력선 접속개소에는 특정한 원인에 의해 고온에 의한 열화가 발생하기 쉽고, 이러한 열화를 감지하는 시스템이 종래 개발되고 있다. 일례로서, 등록특허공보 등록번호 10-1099686호에는 케이블에 연결되는 제1전선과 상기 케이블의 접지선과 연결되는 제2전선이 결합되는 고정부; 및 상기 고정부에 결합되어 상기 제1전선과 상기 제2전선을 검사장치와 연결시키는 연결부를 포함하고; 상기 고정부는, 상기 케이블의 단자함에 장착되는 본체; 상기 본체에 설치되고 상기 제1전선 및 상기 제2전선을 상기 연결부에 결합시키는 단자; 및 상기 본체에 설치되고 상기 제1전선과 상기 제2전선의 전기적 연결여부를 결정하는 스위치를 포함하고; 상기 단자는, 상기 제1전선이 연결되는 제1단자; 및 상기 제2전선이 연결되는 제2단자를 포함하고; 상기 제1단자와 상기 스위치 사이에 제1연결패널이 설치되고, 상기 제2단자와 상기 스위치 사이에 제2연결패널이 설치되고; 상기 스위치는, 상기 본체에 출몰 가능하게 설치되고 상기 제1연결패널과 상기 제2연결패널을 전기적으로 연결하는 노브; 및 상기 노브와 상기 본체 사이에 개재되는 제2탄성부재를 포함하고; 상기 연결부는, 상기 본체에 결합되는 연결블록; 및 상기 연결블록에 설치되고 상기 단자와 전기적으로 연결되며 상기 검사장치의 측정잭과 연결되는 연결잭을 포함하고; 상기 검사장치는 상기 케이블과 상기 접지선 사이에 발생되는 이상전류를 감지하는 것을 특징으로 하는 고압 케이블 열화 감지용 커넥터가 공개되어 있다.In general, deterioration due to high temperature is likely to occur due to a specific cause in a power line connection point, and a system for detecting such deterioration has been developed in the past. As an example, Korean Patent Laid-Open No. 10-1099686 includes a fixing part to which a first wire connected to a cable and a second wire connected to a ground line of the cable are coupled; And a connection part coupled to the fixed part to connect the first wire and the second wire to an inspection apparatus. The fixing unit, the main body is mounted to the terminal box of the cable; A terminal installed in the main body and coupling the first wire and the second wire to the connection unit; And a switch installed at the main body and determining whether the first wire and the second wire are electrically connected to each other. The terminal may include a first terminal to which the first wire is connected; And a second terminal to which the second wire is connected; A first connection panel is installed between the first terminal and the switch, and a second connection panel is installed between the second terminal and the switch; The switch may include a knob mounted to the main body to electrically connect the first connection panel and the second connection panel; And a second elastic member interposed between the knob and the main body; The connection unit, a connection block coupled to the main body; And a connection jack installed at the connection block and electrically connected to the terminal and connected to the measurement jack of the inspection device. The inspection apparatus is disclosed a connector for detecting a high voltage cable degradation, characterized in that for detecting the abnormal current generated between the cable and the ground line.

등록특허공보 등록번호 10-1077441호에는 상기 배전반 내부에 설치된 다수 개의 설치 기기의 절연물에 설치되어 상기 절연물의 열화 시 부분 방전에 의해서 발생하며 상기 절연물을 통해서 전달되는 초고주파 진동을 감지하는 초고주파 진동센서와; 상기 배전반의 전면에 설치되어 상기 다수 개의 초고주파 진동센서와 전기적으로 연결되고, 상기 초고주파 진동센서에 의해 측정된 초고주파 진동신호를 센서입력단을 통해 입력받아 저장하고, 상기 초고주파 진동신호의 패턴이나 세기에 따라 상기 설치 기기의 열화 상태를 외부로 표시하며, 그 결과를 유무선 통신 가능한 프로토콜로 변환시켜 중앙감시반에 설치되어 있는 초고주파 진동 모니터링 장치로 전송하는 초고주파 진동신호 수신기;를 포함하여 이루어진 초고주파 센서를 이용한 실시간 열화 감지장치에 관한 것이 공개되어 있다.Patent Publication No. 10-1077441 has an ultra-high frequency vibration sensor which is installed in the insulation of a plurality of installation devices installed inside the switchboard and is generated by partial discharge when the insulation deteriorates and detects the ultra-high frequency vibration transmitted through the insulation; ; Is installed on the front of the switchboard and electrically connected to the plurality of ultra-high frequency vibration sensor, and receives and stores the ultra-high frequency vibration signal measured by the ultra-high frequency vibration sensor through a sensor input terminal, according to the pattern or intensity of the ultra-high frequency vibration signal Real-time deterioration using the ultra-high frequency sensor comprising a; display the deterioration state of the installation device to the outside, and converts the result into a protocol capable of wired and wireless communication to transmit to the ultra-high frequency vibration monitoring device installed in the central monitoring panel; There is a disclosure about a sensing device.

그러나 상기 종래기술들은 전력선 접속개소가 열화되었는지 여부를 실시간으로 정확하게 판단할 수 없었으며, 또한 판단을 위해서 현장을 직접 확인, 점검하여야 하는 것이 번거로움 등의 단점이 있었다.However, the prior arts could not accurately determine in real time whether the power line connection is deteriorated, and also has the disadvantage of having to check and check the site directly for determination.

따라서 본발명은 전력선 접속개소에 다수 개의 온도센서가 일체로 형성되어 있어서, 전력선 접속개소가 열화되었는지 여부를 정확하고 신속하게 감지할 수 있고, 또한 온도센서의 파손이나 이탈이 없어 장기간 사용할 수 있으며 유지보수비용이 절감되는 전력선 접속개소의 열화 감지방법을 제공하고자 하는 것이다.Therefore, in the present invention, since a plurality of temperature sensors are integrally formed at the power line connection point, it is possible to accurately and quickly detect whether the power line connection point is deteriorated, and also it can be used for a long time without damage or departure of the temperature sensor. It is an object of the present invention to provide a method for detecting degradation of a power line connection point, which reduces maintenance costs.

본발명은 전력선 접속개소의 열화 감지방법에 관한 것으로, 전력선 접속개소의 열화를 감지하는 전력선 접속개소의 열화 감지방법에 있어서, 전력선 접속개소(10)에 방사상으로 다수 개의 온도센서(20)를 부착하고, 또한 상기 온도센서(20)와 길이방향으로 이격되어 한 개의 기준온도센서(40)를 부착하는 온도센서부착단계; 상기 다수 개의 온도센서(20)를 이용하여 전력선 접속개소(10)의 온도를 각각 측정하고, 또한 기준온도센서(40)를 이용하여 기준온도를 측정하는 온도측정단계; 상기 각각의 온도센서(20)의 측정값과 기준온도센서(40)의 측정값을 산정하여 전력선 접속개소(10)의 열화여부를 판단하는 측정값산정단계;를 포함하되,The present invention relates to a method for detecting degradation of a power line connection point, and in the method for detecting degradation of a power line connection point for detecting a degradation of a power line connection point, a plurality of temperature sensors 20 are radially attached to the power line connection point 10. And a temperature sensor attaching step of attaching one reference temperature sensor 40 spaced apart from the temperature sensor 20 in a lengthwise direction. A temperature measuring step of measuring a temperature of each of the power line connection points 10 by using the plurality of temperature sensors 20 and measuring a reference temperature by using a reference temperature sensor 40; A measurement value calculating step of determining whether the power line connection point 10 is deteriorated by calculating the measured value of each of the temperature sensors 20 and the measured value of the reference temperature sensor 40;

상기 기준온도센서(40) 및 전력선 접속개소(10)에 방사상으로 형성되는 각각의 온도센서(20)들은 전력선의 제2절연층(11) 제조시 제2절연층(11)에 일체로 형성하는 것을 특징으로 한다.Each of the temperature sensors 20 radially formed at the reference temperature sensor 40 and the power line connection point 10 may be integrally formed on the second insulating layer 11 when the second insulating layer 11 of the power line is manufactured. It is characterized by.

따라서 본발명은 전력선 접속개소에 다수 개의 온도센서가 일체로 형성되어 있어서, 전력선 접속개소가 열화되었는지 여부를 정확하고 신속하게 감지할 수 있고, 또한 온도센서의 파손이나 이탈이 없어 장기간 사용할 수 있으며 유지보수비용이 절감되는 현저한 효과가 있다.Therefore, in the present invention, since a plurality of temperature sensors are integrally formed at the power line connection point, it is possible to accurately and quickly detect whether the power line connection point is deteriorated, and also it can be used for a long time without damage or departure of the temperature sensor. There is a remarkable effect that the maintenance cost is reduced.

도 1은 본발명 전력선 접속개소에 열화 감지를 위한 온도센서를 부착한 사시도
도 2는 본발명 전력선 접속개소의 제2절연층에 열화 감지를 위한 온도센서 를 부착한 단면도1 is a perspective view of a temperature sensor for detecting degradation in a power line connection of the present invention
2 is a cross-sectional view of a temperature sensor for detecting degradation in a second insulating layer of a power line connection point of the present invention.

본발명은 전력선 접속개소의 열화 감지방법에 관한 것으로, 전력선 접속개소의 열화를 감지하는 전력선 접속개소의 열화 감지방법에 있어서, 전력선 접속개소(10)에 방사상으로 다수 개의 온도센서(20)를 부착하고, 또한 상기 온도센서(20)와 길이방향으로 이격되어 한 개의 기준온도센서(40)를 부착하는 온도센서부착단계; 상기 다수 개의 온도센서(20)를 이용하여 전력선 접속개소(10)의 온도를 각각 측정하고, 또한 기준온도센서(40)를 이용하여 기준온도를 측정하는 온도측정단계; 상기 각각의 온도센서(20)의 측정값과 기준온도센서(40)의 측정값을 산정하여 전력선 접속개소(10)의 열화여부를 판단하는 측정값산정단계;를 포함하되,The present invention relates to a method for detecting degradation of a power line connection point, and in the method for detecting degradation of a power line connection point for detecting a degradation of a power line connection point, a plurality of temperature sensors 20 are radially attached to the power line connection point 10. And a temperature sensor attaching step of attaching one reference temperature sensor 40 spaced apart from the temperature sensor 20 in a lengthwise direction. A temperature measuring step of measuring a temperature of each of the power line connection points 10 by using the plurality of temperature sensors 20 and measuring a reference temperature by using a reference temperature sensor 40; A measurement value calculating step of determining whether the power line connection point 10 is deteriorated by calculating the measured value of each of the temperature sensors 20 and the measured value of the reference temperature sensor 40;

상기 기준온도센서(40) 및 전력선 접속개소(10)에 방사상으로 형성되는 각각의 온도센서(20)들은 전력선의 제2절연층(11) 형성시 제2절연층(11)에 일체로 형성하는 것을 특징으로 한다.Each of the temperature sensors 20 radially formed at the reference temperature sensor 40 and the power line connection point 10 may be integrally formed on the second insulating layer 11 when the second insulating layer 11 of the power line is formed. It is characterized by.

또한, 상기 기준온도센서(40) 및 전력선 접속개소(10)에 방사상으로 형성되는 각각의 온도센서(20)들이 일체로 형성된 제2절연층(11) 표면에는 에폭시코팅층(12)이 형성되고, 상기 에폭시코팅층(12) 위에 절연카바(51)를 씌우는 것을 특징으로 한다.
In addition, an epoxy coating layer 12 is formed on the surface of the second insulating layer 11 in which the respective temperature sensors 20 formed radially in the reference temperature sensor 40 and the power line connection point 10 are integrally formed. The insulating cover 51 is coated on the epoxy coating layer 12.

본발명을 첨부도면에 의해 상세히 설명하면 다음과 같다.
The present invention will be described in detail with reference to the accompanying drawings.

도 1은 본발명 전력선 접속개소에 열화 감지를 위한 온도센서를 부착한 사시도, 도 2는 본발명 전력선 접속개소의 제2절연층에 열화 감지를 위한 온도센서를 부착한 단면도이다.
1 is a perspective view of a temperature sensor for detecting degradation in a power line connection of the present invention, Figure 2 is a cross-sectional view of a temperature sensor for detection of degradation in a second insulating layer of the power line connection of the present invention.

본발명 전력선 접속개소의 열화 감지시스템은 전력선 접속개소에 다수 개의 온도센서를 부착하고, 상기 온도센서의 측정값을 산정하여 전력선 접속개소의 열화정도를 측정하게 된다. The degradation detection system of the power line connection point of the present invention attaches a plurality of temperature sensors to the power line connection point, and calculates the measured value of the temperature sensor to measure the degree of degradation of the power line connection point.

상기 전력선 접속개소(10)는 전력선 도체(60)의 양단부를 슬리브에 끼운 후상기 슬리브(52) 부위를 가압하여 연결을 공고히 한 후, 상기 슬리브(52) 부위 위에 다시 인서트를 끼워 양 전력선의 단부를 연결하고, 상기 인서트 위에 제1절연층, 제2절연층을 순차적으로 형성한다. 상기 슬리브는 동합금 등의 금속재질로 제조하고, 상기 인서트, 제1절연층 및 제2절연층의 재질은 EPDM을 사용한다. The power line connection point 10 is fitted to both ends of the power line conductor 60 in the sleeve and pressurized the portion of the sleeve 52 to secure the connection, and then inserts again on the portion of the sleeve 52 to end the ends of both power lines The first insulating layer and the second insulating layer are sequentially formed on the insert. The sleeve is made of metal such as copper alloy, and the insert, the first insulating layer and the second insulating layer are made of EPDM.

상기 제1절연층을 형성하는 방법은 단면이 원형인 상하금형 한 벌을 상기 인서트 부위 외부에 설치하고, 상기 상하금형 내부 공간에 용융된 EPDM을 주입하여 외관이 전선처럼 둥근 형상이 되게 한다. 그리고 상기 제2절연층의 형성방법도 상기 제1절연층 형성방법과 마찬가지 방법으로 한 벌의 상하금형을 상기 제1절연층 외부에 설치하고 상기 상하금형 내부에 용융된 EPDM을 주입하여 외관이 둥근 형상이 되게 한다. In the method of forming the first insulating layer, an upper and lower mold suit having a circular cross section is installed outside the insert portion, and molten EPDM is injected into the upper and lower mold inner spaces so that the exterior is round like a wire. In addition, the method of forming the second insulating layer is similar to the method of forming the first insulating layer, and a pair of upper and lower molds are installed outside the first insulating layer, and molten EPDM is injected into the upper and lower molds to round the appearance. To be shaped.

그리고 본발명은 상기 제2절연층을 형성할 시 금형내부에 다수 개의 온도센서를 방사상으로 설치한 후, EPDM 용액을 주입함으로써 다수 개의 온도센서(20)를 일체형으로 방사상으로 형성하게 되는 것이다. 이 경우 온도센서의 리드부는 밖으로 빼내게 된다.In the present invention, when the second insulating layer is formed, a plurality of temperature sensors are radially installed in the mold, and then a plurality of temperature sensors 20 are integrally radially formed by injecting an EPDM solution. In this case, the lead of the temperature sensor is pulled out.

그리고 상기 온도센서는 시중에서 용이하게 구할 수 있는 관용의 온도센서를 사용한다.And the temperature sensor uses a conventional temperature sensor that can be easily obtained on the market.

한편, 본발명은 상기 제2절연층 위에는 에폭시를 스프레이로 도포하거나 브러쉬로 칠하여 에폭시코팅층을 형성할 수 있다. 그리고 상기 에폭시코팅층위에 다시 플라스틱등의 절연재질로 만들어진 절연카버(51)를 씌우게 된다. Meanwhile, the present invention may form an epoxy coating layer by applying epoxy or spraying epoxy on the second insulating layer. Then, the insulating cover 51 made of an insulating material such as plastic is put on the epoxy coating layer again.

그리고 본발명의 상기 기준온도센서는 전력선의 외주면에 접착제를 사용하여 접착설치하되, 상기 기준온도센서 주위로는 테이퍼로 감고, 상기 테이퍼 주위에는 열수축튜브를 삽입한 후, 열을 가하여 열수축튜브를 수축시켜서 기준온도센서가 전력선에 공고하게 결합되게 한다.
The reference temperature sensor of the present invention is adhesively installed on the outer circumferential surface of the power line by using an adhesive, the taper is wound around the reference temperature sensor, a heat shrink tube is inserted around the taper, and the heat shrink tube is contracted by applying heat. So that the reference temperature sensor is firmly coupled to the power line.

한편, 본발명의 경보신호는 경계경보, 2급경보, 1급경보로 구분하며, 경보통보는 시스템에서 무선으로 자동으로 통보한다. On the other hand, the alarm signal of the present invention is divided into alert, class 2 alarm, class 1 alarm, alarm notification is automatically wirelessly from the system.

상기와 같은 경계경보 발령의 경우는 전력선 접속개소의 열화 현상 발생이 아니라 다른 이유로 인해서 시스템에 온도상승이 감지된 경우로 판단하고 담당자에게만 통보를 한다. In the case of the above-mentioned warning alert, it is determined that the temperature rise is detected in the system due to other reasons rather than the deterioration of the power line connection point, and notify only the person in charge.

둘째로, 2급경보자동발생의 경우는 설비관리주관업체와 설치업체에 동시에 통보하되, 담당자 및 부서장에게 자동 통보한다.Second, in case of automatic occurrence of the second level alarm, the facility management supervisor and the installation company shall be notified at the same time, but the person in charge and the head of the department will be notified automatically.

셋째로, 1급경보자동발생의 경우에는 설비관리주관업체와 설치업체에 동시에 통보하되, 담당자, 부서장 및 총책임자에게 자동 통보한다. Third, in case of automatic occurrence of first-class alarm, the equipment management supervisor and installation company shall be notified at the same time, but the person in charge, department head and general manager shall be notified automatically.

본발명은 전력선 접속개소의 열화를 감지하는 전력선 접속개소의 열화 감지장치는 전력선 접속개소(10)에 방사상으로 다수 개의 온도센서(20)를 부착하고, 상기 온도센서(20)와 길이방향으로 이격되어 한 개의 기준온도센서(40)를 더 부착하는 것이다. 상기 다수 개의 온도센서는 상부, 좌우에 각각 1나씩 부착하는 것으로 모두 3개가 된다.According to the present invention, the degradation detection device of the power line connection point for detecting the degradation of the power line connection point attaches a plurality of temperature sensors 20 radially to the power line connection point 10 and is spaced apart in the longitudinal direction from the temperature sensor 20. One more reference temperature sensor 40 is to be attached. The plurality of temperature sensors are all three by attaching one to each of the upper and left sides.

그리고 상기 다수 개의 온도센서(20)의 측정값과 기준온도센서(40)의 측정값의 차이값을 각각 산정하여, 상기 각각의 차이값중 어느 하나라도 일정치 이상이면 전력선 접속개소(10)가 열화된 것으로 판단하고, 경계경보, 2급경보 및 1급경보를 발하게 되는 것이다. 일예로서, 온도센서(20)를 3개(A, B, C), 그리고 기준온도센서(40)를 한 개(P)로 가정하면, 1)경계 경보: A-P=x ,B-P=y, C-P=z 에서 x,y,z값중 어느 하나라도 일정치(2) 이상이면 경계경보를 발령한다. Then, the difference between the measured values of the plurality of temperature sensors 20 and the measured values of the reference temperature sensor 40 is respectively calculated. It is judged to be deteriorated, and the boundary alarm, the second level alarm and the first level alarm are issued. As an example, assuming three temperature sensors 20 (A, B, C) and one reference temperature sensor 40 (P), 1) Boundary alarm: AP = x, BP = y, CP If any one of x, y, and z is equal to or greater than a certain value (2) in = z, a boundary alarm is issued.

2)2급 경보: A-P=x ,B-P=y,C-P=z 에서 x,y,z값중 어느 하나라도 일정치(5) 이상이면 2급경보를 발령한다.2) Class 2 alarm: If any one of x, y, z value is more than (5) in A-P = x, B-P = y, C-P = z, second class alarm is issued.

3)1급 경보: A-P=x ,B-P=y,C-P=z에서 x,y,z값중 어느 하나라도 일정치(10) 이상이면 1급경보를 발령한다.3) Class 1 alarm: If A-P = x, B-P = y, C-P = z any one of x, y, z value is over 10, it will issue first class alarm.

상기 경계경보, 2급경보, 1급경보를 통보하는 대상은 기재한 바와 같다.The object of notifying the boundary alarm, the second alarm and the first alarm is as described.

따라서 본발명은 전력선 접속개소에 다수 개의 온도센서가 일체로 형성되어 있어서, 전력선 접속개소가 열화되었는지 여부를 정확하고 신속하게 감지할 수 있고, 또한 온도센서의 파손이나 이탈이 없어 장기간 사용할 수 있으며 유지보수비용이 절감되는 현저한 효과가 있다.Therefore, in the present invention, since a plurality of temperature sensors are integrally formed at the power line connection point, it is possible to accurately and quickly detect whether the power line connection point is deteriorated, and also it can be used for a long time without damage or departure of the temperature sensor. There is a remarkable effect that the maintenance cost is reduced.

10 : 전력선 접속개소 20 : 온도센서
21 : 좌측센서 22 : 우측센서
23 : 상부센서
40 : 기준온도센서
51 : 절연카바
52 : 슬리브 53 : 절연피복
60 : 도체 54 : 슬리브 압착 부위
11 : 제2절연층 12 : 에폭시코팅층
13 : 제1절연층 14 : 인서트10: power line connection point 20: temperature sensor
21: Left sensor 22: Right sensor
23: upper sensor
40: reference temperature sensor
51: insulation cover
52: sleeve 53: insulation coating
60: conductor 54: sleeve crimping site
11: second insulating layer 12: epoxy coating layer
13: first insulating layer 14: insert

Claims (2)

전력선 접속개소의 열화를 감지하는 전력선 접속개소의 열화 감지방법에 있어서, 전력선 접속개소(10)에 방사상으로 다수 개의 온도센서(20)를 부착하고, 또한 상기 온도센서(20)와 길이방향으로 이격되어 한 개의 기준온도센서(40)를 부착하는 온도센서부착단계; 상기 다수 개의 온도센서(20)를 이용하여 전력선 접속개소(10)의 온도를 각각 측정하고, 또한 기준온도센서(40)를 이용하여 기준온도를 측정하는 온도측정단계; 상기 각각의 온도센서(20)의 측정값과 기준온도센서(40)의 측정값을 산정하여 전력선 접속개소(10)의 열화여부를 판단하는 측정값산정단계;를 포함하되,
상기 기준온도센서(40) 및 전력선 접속개소(10)에 방사상으로 형성되는 각각의 온도센서(20)들은 전력선의 제2절연층(11) 형성시 제2절연층(11)에 일체로 형성하는 것을 특징으로 하는 전력선 접속개소의 열화 감지방법In the method for detecting the deterioration of the power line connection point for detecting the deterioration of the power line connection point, a plurality of temperature sensors 20 are radially attached to the power line connection point 10, and further separated from the temperature sensor 20 in the longitudinal direction. A temperature sensor attaching step of attaching one reference temperature sensor 40; A temperature measuring step of measuring a temperature of each of the power line connection points 10 by using the plurality of temperature sensors 20 and measuring a reference temperature by using a reference temperature sensor 40; A measurement value calculating step of determining whether the power line connection point 10 is deteriorated by calculating the measured value of each of the temperature sensors 20 and the measured value of the reference temperature sensor 40;
Each of the temperature sensors 20 radially formed at the reference temperature sensor 40 and the power line connection point 10 may be integrally formed on the second insulating layer 11 when the second insulating layer 11 of the power line is formed. Degradation detection method of the power line connection point, characterized in that 제1항에 있어서, 상기 기준온도센서(40) 및 전력선 접속개소(10)에 방사상으로 형성되는 각각의 온도센서(20)들이 일체로 형성된 제2절연층(11) 표면에는 에폭시코팅층(12)이 형성되고, 상기 에폭시코팅층(12) 위에 절연카바(51)를 씌우는 것을 특징으로 하는 전력선 접속개소의 열화 감지방법The method of claim 1, wherein the epoxy coating layer 12 on the surface of the second insulating layer 11 formed integrally with each of the temperature sensors 20 formed radially in the reference temperature sensor 40 and the power line connection point 10 Is formed, and deterioration detection method of the power line connection point, characterized in that the insulating cover 51 is covered on the epoxy coating layer (12).
KR1020120135698A 2012-11-28 2012-11-28 Deterioration sensing method of power line connecting pant KR101331870B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120135698A KR101331870B1 (en) 2012-11-28 2012-11-28 Deterioration sensing method of power line connecting pant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120135698A KR101331870B1 (en) 2012-11-28 2012-11-28 Deterioration sensing method of power line connecting pant

Publications (1)

Publication Number Publication Date
KR101331870B1 true KR101331870B1 (en) 2013-11-21

Family

ID=49858229

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120135698A KR101331870B1 (en) 2012-11-28 2012-11-28 Deterioration sensing method of power line connecting pant

Country Status (1)

Country Link
KR (1) KR101331870B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200107418A (en) * 2019-03-07 2020-09-16 한국전자통신연구원 Cable connector diagnostic clip

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040025768A (en) * 2002-09-17 2004-03-26 엘지전선 주식회사 Temperature measurement system of power cable and accessory against surge voltage
KR20070078195A (en) * 2006-01-26 2007-07-31 삼현컴텍(주) System and method for detecting a partial discharge of a powercable
JP2009053025A (en) 2007-08-27 2009-03-12 Fujikura Ltd Connection device of high-voltage power cable, and temperature monitoring method of connection part of high-voltage power cable
KR20110084051A (en) * 2010-01-15 2011-07-21 대한전선 주식회사 A connection structure and method of insulator in joint box for power cables, and a joint box for power cables having the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040025768A (en) * 2002-09-17 2004-03-26 엘지전선 주식회사 Temperature measurement system of power cable and accessory against surge voltage
KR20070078195A (en) * 2006-01-26 2007-07-31 삼현컴텍(주) System and method for detecting a partial discharge of a powercable
JP2009053025A (en) 2007-08-27 2009-03-12 Fujikura Ltd Connection device of high-voltage power cable, and temperature monitoring method of connection part of high-voltage power cable
KR20110084051A (en) * 2010-01-15 2011-07-21 대한전선 주식회사 A connection structure and method of insulator in joint box for power cables, and a joint box for power cables having the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200107418A (en) * 2019-03-07 2020-09-16 한국전자통신연구원 Cable connector diagnostic clip
KR102413186B1 (en) * 2019-03-07 2022-06-27 한국전자통신연구원 Cable connector diagnostic clip

Similar Documents

Publication Publication Date Title
US20210213317A1 (en) Corrosion monitoring in a fire sprinkler system
KR101647456B1 (en) Directly contact-type bus bar temperature measuring device
KR101529818B1 (en) diagnosis system for monitoring status of switchboard
KR101457880B1 (en) A high tension panel, low tension panel, dstribution panel and motor control panel for Fire Sensing Fuction
KR101262907B1 (en) Disaster resistant switchgear installed digital control system equipped with earthquake intensity step by step blocking function
US10962494B2 (en) Ground impedance measurement of a conduit system
KR20090081772A (en) System and Method for Monitoring Partial Discharge in Power Cable
KR101331870B1 (en) Deterioration sensing method of power line connecting pant
KR20160014509A (en) busduct joint and multi point temperature monitering system of busduct including the same
JP2020510197A5 (en)
KR100918515B1 (en) Method for measuring earth resistance of a single ground in active state
KR20150099033A (en) busduct joint
KR102169705B1 (en) multi point temperature monitering system of busduct and temperature monitering method thereof
KR101222499B1 (en) Deterioration sensor of power line connecting pant
US20140109655A1 (en) Cable condition monitoring device
AU2014262690B2 (en) Corrosion monitoring in a fire sprinkler system
KR101222500B1 (en) Deterioration sensing method of power line connecting pant
KR101712277B1 (en) Hybrid fire monitoring system using fiber optic temperature sensors and linear fixed-temperature detectors
JP2010190574A (en) Liquid leak detector
CN203350346U (en) Potential indicator with temperature measuring function
KR20120093023A (en) Device for detection of fault location
US20220099755A1 (en) Leakage Voltage Detection System and Leakage Voltage Detection Method
CN110031119B (en) Reducing cable wiring system with temperature control alarm system
PL234602B1 (en) Method for inspection and monitoring of the contact system and the device for inspection and monitoring of the contact system
JP5426041B1 (en) External factor load position detection method and its detection device

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee