KR102152783B1 - Insulated diagnosis sensor of distributing board, panel board and its sensor supporter, and insulation detector using the same - Google Patents

Insulated diagnosis sensor of distributing board, panel board and its sensor supporter, and insulation detector using the same Download PDF

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KR102152783B1
KR102152783B1 KR1020190054045A KR20190054045A KR102152783B1 KR 102152783 B1 KR102152783 B1 KR 102152783B1 KR 1020190054045 A KR1020190054045 A KR 1020190054045A KR 20190054045 A KR20190054045 A KR 20190054045A KR 102152783 B1 KR102152783 B1 KR 102152783B1
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South Korea
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switchboard
insulation
sensor
cradle
support plate
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KR1020190054045A
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Korean (ko)
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임창호
최은혁
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주식회사 우보엔지니어링
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08—Measuring electromagnetic field characteristics
    • G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
    • G01R29/0878—Sensors; antennas; probes; detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08—Measuring electromagnetic field characteristics
    • G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
    • G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
    • G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)
  • Testing Relating To Insulation (AREA)

Abstract

The present invention relates to forestalling an accident such as electric shock and electric fire by detecting a specific electromagnetic wave oscillating during an insulation accident or partial discharge occurring at a switchboard or a panel board, simplifying the configuration of the detection means, and ensuring accurate detection without malfunction by providing external secondary resonance prevention means. According to the present invention, a cradle made of a silicon material and having a metal blocking plate embedded inside is inserted into the inside edge of an opening/closing door constituting a switchboard or a panel board. An insulation diagnosis sensor is coupled to the cradle. As for the insulation diagnosis sensor, a dual monopole strip sensor including Ports 1 and 2 is bonded with a conductor symmetrically installed on a rectangular metal substrate. A spectrum analyzer is installed at each port and the electromagnetic wave generated in the switchboard or the panel board is detected and identified.

Description

배전반, 분전반의 절연진단센서 및 절연진단센서 거치대와 이를 이용한 절연감지장치{Insulated diagnosis sensor of distributing board, panel board and its sensor supporter, and insulation detector using the same}Insulated diagnosis sensor of distributing board, panel board and its sensor supporter, and insulation detector using the same}

본 발명은 배전반이나 분전반 내에서 발생하는 절연사고나 부분방전을 검출하여, 감전이나 전기화재와 같은 안전사고를 사전에 예방할 수 있도록 한 배전반, 분전반의 절연진단센서 및 절연진단센서 거치대와 이를 이용한 절연감지장치에 관한 것이다.The present invention detects insulation accidents or partial discharges occurring in the switchboard or distribution board, and prevents safety accidents such as electric shock or electric fire in advance, and the insulation diagnosis sensor and insulation diagnosis sensor holder of the switchboard and distribution panel and insulation using the same It relates to a sensing device.

일반적으로 배전반이나 분전반에 설치된 전기설비에서 절연사고나 부분방전 발생시 이를 감지하여 조속히 유지보수를 시행하지 않을 경우, 감전사고나 전기화재 등이 발생할 수 있다.In general, when an insulation accident or partial discharge occurs in an electrical facility installed in a switchboard or distribution panel, if maintenance is not performed promptly by detecting it, an electric shock or an electrical fire may occur.

상기 배전반이나 분전반을 구성하는 전기설비에서 부분방전이 발생하게 되면 전류펄스, 열, 빛 등 다양한 현상이 발생하게 되며, 일반적으로 배전반 내의 부분방전을 이를 검출하기 위한 인덕턴스센서나 고주파CT 등을 배전반의 접지선에 취부하여, 접지선을 통해 흐르는 전류펄스를 측정하거나 광센서를 사용하여 부분방전시 수반되는 가시광선영역의 빛을 측정하는 방식 등을 적용하고 있다.When a partial discharge occurs in the switchboard or the electrical equipment constituting the switchboard, various phenomena such as current pulse, heat, and light occur, and in general, an inductance sensor or high-frequency CT to detect the partial discharge in the switchboard is used. A method of measuring the current pulse flowing through the ground wire by attaching it to the ground wire or measuring the light in the visible light region accompanying partial discharge using an optical sensor is applied.

그러나 배전반에 적용되어 오던 일반적인 절연감시기법은 인입부로부터 유입되는 전류펄스 등의 각종 노이즈신호와, 배전반의 관찰창 또는 도어개방시 유입되는 가시광선에 의해 오류가 쉽게 발생되므로 절연사고나 부분방전현상을 효과적으로 감지하기가 어려운 것이 현실이다.However, the general insulation monitoring method that has been applied to switchboards is easily caused by various noise signals such as current pulses flowing from the inlet, and visible rays flowing through the observation window of the switchboard or when the door is opened. The reality is that it is difficult to detect effectively.

이러한 문제를 해결하기 위한 수단으로서, 배전반이나 분전반에서 발생하는 절연감시장치가 제공된바 있다.As a means to solve this problem, there has been provided an insulation monitoring device generated in a switchboard or a distribution board.

즉, 특허 제10-1336045호 "분전반 및 배전반의 무정전 절연저항 측정장치"(특허문헌 1)와, 특허 제10-1382418호 "복합센서를 이용한 수배전반, 분전반, 모터제어반의 절연감시장치"(특허문헌 2) 등이 제공된바 있다.In other words, Patent No. 10-1336045 "Uninterruptible Insulation Resistance Measurement Device for Distribution Boards and Switchgear" (Patent Document 1), and Patent No. 10-1382418 "Insulation Monitoring Device for Switchgear, Distribution Board, and Motor Control Panel Using Complex Sensors" (Patent Document 2) has been provided.

상기 특허문헌 1 및 특허문헌 2의 경우에도, 배전반이나 분전반에서 발생하는 절연사고나 부분방전 등을 감지하여 안전사고를 미연에 방지토록 한다는 것이다.In the case of Patent Document 1 and Patent Document 2, it is to prevent safety accidents in advance by detecting insulation accidents or partial discharges occurring in switchboards or distribution boards.

그러나 배전반이나 분전반 내부에 설치하기 위한 별도의 공간확보에 어려움이 있을 뿐 아니라, 구조가 복잡한 등의 단점이 있다.However, it is difficult to secure a separate space for installation inside a switchboard or distribution board, and there are disadvantages such as a complicated structure.

특허 제10-1336045호 "분전반 및 배전반의 무정전 절연저항 측정장치"Patent No. 10-1336045 "Uninterruptible insulation resistance measurement device for distribution boards and switchboards" 특허 제10-1382418호 "복합센서를 이용한 수배전반, 분전반, 모터제어반의 절연감시장치"Patent No. 10-1382418 "Insulation monitoring device for switchgear, distribution board, and motor control panel using complex sensor"

본 발명은 배전반이나 분전반에서 발생하는 절연사고나 부분방전시 발생하는 특정전자파를 검출하여 감전이나 전기화재와 같은 안전사고를 사전에 예방토록 하되, 상기 감지수단의 구성을 간략히 함과 동시에, 외부 2차공진방지수단을 구비하여 오작동없이 정확한 검출이 이루어질 수 있게 한 것이다.The present invention prevents safety accidents such as electric shock or electric fire in advance by detecting insulation accidents occurring in switchboards or distribution boards or specific electromagnetic waves generated during partial discharges, but at the same time simplifying the configuration of the detection means, external 2 The vehicle resonance prevention means is provided so that accurate detection can be performed without malfunction.

상기 과제를 해결하기 위한 수단으로서, 본 발명은 배전반이나 분전반을 구성하는 개폐문 내측 테두리에 실리콘 재질로 구성되고, 내부에 금속차단판이 매립된 거치대를 끼우고, 상기 거치대에 절연진단센서를 결합하되, 상기 절연진단센서는 직사각형의 금속기판에 도전체를 대칭형으로 설치하여 포트1 및 포트2로 구성된 이중 모노폴스트립센서를 접합구성하고, 상기 각 포트에 스펙트럼 분석기를 설치하여 배전반이나 분전반 내부에서 발생하는 전자파를 검출하여 식별되게 한 것이다.As a means for solving the above problem, the present invention is composed of a silicon material on the inner rim of the opening and closing door constituting the switchboard or the distribution board, inserting a holder in which a metal blocking plate is embedded therein, and coupling an insulation diagnosis sensor to the holder, The insulation diagnosis sensor is a double monopole strip sensor composed of ports 1 and 2 by installing a conductor in a symmetrical shape on a rectangular metal substrate, and an electromagnetic wave generated inside a switchboard or distribution panel by installing a spectrum analyzer at each port. Was detected and identified.

본 발명은 배전반이나 분전반을 구성하는 개폐문 내측 테두리에 실리콘 재질로 구성되고, 내부에 금속차단판이 매립된 거치대를 끼우고, 상기 거치대에 절연진단센서를 결합하되, 상기 절연진단센서는 직사각형의 금속기판에 도전체를 대칭형으로 설치하여 포트1 및 포트2로 구성된 이중 모노폴스트립센서를 접합구성하고, 상기 각 포트에 스펙트럼분석기를 설치하여 배전반이나 분전반 내부에서 발생하는 전자파를 검출하여 식별되게 한 것으로서, 상기 감지수단의 구성을 간략히 함과 동시에, 외부 2차공진방지수단을 구비하여 오작동없이 정확한 검출이 이루어질 수 있게 하는 등의 효과가 있다.The present invention is composed of a silicon material on the inner rim of the opening and closing door constituting the switchboard or distribution board, and a holder with a metal blocking plate embedded therein is fitted, and an insulation diagnosis sensor is coupled to the holder, wherein the insulation diagnosis sensor is a rectangular metal substrate. A double monopole strip sensor composed of ports 1 and 2 is bonded to each other by installing conductors in a symmetrical manner, and a spectrum analyzer is installed at each port to detect and identify electromagnetic waves generated inside the switchboard or distribution panel. While simplifying the configuration of the sensing means, there is an effect of providing an external secondary resonance preventing means so that accurate detection can be made without malfunction.

도 1 : 본 발명의 절연진단센서가 설치된 분전반의 사시도
도 2 : 본 발명에 사용되는 거치대의 사시도
도 3 : 도 2의 정면구성도
도 4 : 도 2의 단면구성도
도 5 : 본 발명 절연진단센서의 사시도
도 6 : 도 5의 정면구성도
도 7 : 본 발명의 절연진단센서 및 거치대가 개폐문으로부터 분리된 상태도1: A perspective view of a distribution board installed with the insulation diagnosis sensor of the present invention
Figure 2: A perspective view of the holder used in the present invention
Figure 3: The front view of Figure 2
Figure 4: A cross-sectional configuration diagram of Figure 2
5: A perspective view of the insulation diagnosis sensor of the present invention
Figure 6: The front view of Figure 5
7: A state diagram of the insulation diagnosis sensor and the cradle of the present invention separated from the opening and closing door

이하 본 발명의 실시예를 분전반을 기준으로 첨부도면에 따라 상세히 설명한다.Hereinafter, an embodiment of the present invention will be described in detail with reference to a distribution board according to the accompanying drawings.

도 1은 본 발명의 절연진단센서(10)가 거치대(60)에 장치된 분전반(20)의 사시도이고, 도 2 내지 도 7은 발명에서 사용되는 절연진단센서(10) 및 거치대(60)의 구성을 도시한 도면으로서, 본 발명은 분전반(20)의 개폐문(30) 내측 테두리에 구성된 요입홈(31)에 거치대(60)를 끼우고, 상기 거치대(60) 상에 절연감지센서(10)를 조립하여 분전반(20) 내부에서 절연사고나 부분방전시 발생하는 특정전자파를 검출하여 식별한다는 것이다.1 is a perspective view of a distribution board 20 in which the insulation diagnosis sensor 10 of the present invention is mounted on a cradle 60, and FIGS. 2 to 7 are views of the insulation diagnosis sensor 10 and the cradle 60 used in the present invention. As a diagram showing the configuration, the present invention inserts the cradle 60 into the concave groove 31 formed on the inner edge of the opening and closing door 30 of the distribution board 20, and the insulation sensing sensor 10 on the cradle 60 By assembling the panel 20, it detects and identifies a specific electromagnetic wave generated during an insulation accident or partial discharge inside the distribution panel 20.

거치대(60)의 구성은 다음과 같다.The configuration of the cradle 60 is as follows.

거치대(60)를 구성하는 본체(70)는 실리콘수지로 성형되며 본체(70) 일측에는 지지판(71)이 돌출구성되어 있고, 지지판(71) 내측 선단부에는 외측걸림홈(72)이 형성된 외측걸림턱(73)이 형성되어 있고, 지지판(71) 타측 본체(70)에는 내측걸림홈(74)이 형성된 내측걸림턱(75)이 구성된다.The main body 70 constituting the cradle 60 is molded of silicone resin, and the support plate 71 is protruded on one side of the main body 70, and the outer locking groove 72 is formed at the inner tip of the support plate 71. The jaw 73 is formed, and the support plate 71 is formed with an inner locking jaw 75 in which the inner locking groove 74 is formed in the other body 70.

따라서 내외측걸림턱(73)(75) 사이에 거치공간(76)이 형성된다.Therefore, a mounting space 76 is formed between the inner and outer locking jaws 73 and 75.

또한 본체(70) 및 지지판(71) 내면에는 금속판으로 구성된 차단판(80)을 매립설치하여 거치대(60)의 형태를 견고히 지탱케 함과 동시에 외부로부터 유입되는 방해전자파를 차단하는 2차공진방지수단을 구비한다.In addition, a blocking plate 80 composed of a metal plate is embedded in the inner surface of the main body 70 and the support plate 71 to firmly support the shape of the cradle 60 and at the same time prevent secondary resonance to block interference electromagnetic waves from outside. Equipped with means.

상기에서 구성되는 거치대(60)의 길이(L)는 대략 120㎜정도이고, 본체(70)의 두께(L1)는 14㎜, 높이(L2)는 10㎜, 지지판(71)의 높이(L3)는 거치공간(76)에 끼워지는 절연진단센서(10)의 규격에 맞게 돌출구성되며, 상기 규격은 일실시예를 기준으로 설명한 것으로서 규격은 조정될 수 있다.The length (L) of the cradle 60 configured above is about 120 mm, the thickness (L1) of the main body 70 is 14 mm, the height (L2) is 10 mm, and the height of the support plate 71 (L3) Is configured to protrude according to the standard of the insulation diagnosis sensor 10 fitted in the mounting space 76, the standard as described on the basis of an embodiment, and the standard may be adjusted.

이때 본체(70)의 두께(L1)는 분전반(20)을 구성하는 개폐문(30)의 요입홈(31)에 안정적으로 끼워져 고정되는 정도의 두께이면 만족한다.At this time, the thickness L1 of the main body 70 is satisfied as long as the thickness L1 is such that it is stably fitted and fixed in the concave groove 31 of the opening and closing door 30 constituting the distribution board 20.

상기한 구성의 거치대(60)는 배전반이나 분전반(20)의 개폐판(30) 내측 테두리에 구성된 요입홈(31)에 본체(70)를 끼워 지지판(71)이 개폐문(30)과 접촉되게 함으로서, 내외측걸림턱(73)(75) 사이에 형성된 거치공간(76)이 분전반(20) 내부쪽으로 개방되게 한다.The cradle 60 of the above-described configuration allows the main body 70 to be inserted into the concave groove 31 formed on the inner edge of the opening and closing plate 30 of the switchboard or distribution panel 20 so that the support plate 71 comes into contact with the opening and closing door 30. , The mounting space 76 formed between the inner and outer locking jaws 73 and 75 is opened toward the inside of the distribution board 20.

상기 거치대(60)의 거치공간(76)에 설치되는 절연진단센서(10)는 다음과 같이 구성된다.The insulation diagnosis sensor 10 installed in the mounting space 76 of the cradle 60 is configured as follows.

본 발명의 절연진단센서(10)는 도 5 및 도 6에서와 같이 유전율 4.4의 합금소재로 된 금속기판(40) 위에 두가닥의 제1도전체(51)로 된 포트1(51-1)과, 두가닥의 제2도전체(52)로 된 포트2(52-1)를 대칭형으로 배열하되, 두가닥의 제1도전체(51)와, 두가닥의 제2도전체(52)가 서로 교호로 사이사이에 끼워지게 배열시킨 이중 모노폴스트립센서(50)를 접합구성하여, 배전반이나 분전반(20) 내부에서 발생하는 절연사고나 부분방전에 따른 전자파를 감지케 하고, 감지된 전자파는 포트1(51-1) 및 포트2(52-1)와 연결된 스펙트럼분석기(SA)를 통하여 고장유무를 식별할 수 있게 한다.Insulation diagnosis sensor 10 of the present invention is a port 1 (51-1) made of two first conductors 51 on a metal substrate 40 made of an alloy material having a dielectric constant of 4.4 as shown in FIGS. 5 and 6 And, the port 2 (52-1) consisting of the two second conductors 52 is arranged in a symmetrical manner, but the first conductor 51 of the two strands and the second conductor 52 of the two strands are Double monopole strip sensors 50 arranged to be sandwiched alternately are bonded to each other to detect electromagnetic waves caused by insulation accidents or partial discharges occurring inside the switchboard or distribution board 20, and the detected electromagnetic waves are ported. Through the spectrum analyzer (SA) connected to 1 (51-1) and port 2 (52-1), it is possible to identify the presence or absence of a fault.

절연진단센서(10)를 구성하는 금속기판(40)은 길이(1L) 90㎜, 폭(2L) 15㎜, 두께 1.5~1.7㎜이고, 포트1(51-1) 및 포트2(52-1)를 구성하는 제1도전체(51) 및 제2도전체(52)는 길이(4L) 70㎜, 폭(5L) 2㎜, 두께(6L) 1㎜, 간격(7L) 1㎜로 설정하였다.The metal substrate 40 constituting the insulation diagnosis sensor 10 has a length (1L) of 90 mm, a width (2L) of 15 mm, and a thickness of 1.5 to 1.7 mm, and port 1 (51-1) and port 2 (52-1). ) Constituting the first conductor 51 and the second conductor 52 were set as length (4L) 70mm, width (5L) 2mm, thickness (6L) 1mm, and interval (7L) 1mm. .

상기한 조건으로 구성된 절연진단센서(10)를 개폐문(30)의 테두리에 끼워진 거치대(60)의 내외측걸림턱(73)(75) 사이에 위치한 거치공간(76)에 결합사용하게 되며, 이때 금속기판(40)에 위치한 이중 모노폴스트립센서(50)가 배전반, 혹은 분전반(20) 내부를 향하게 설치하여서 된 것이다.The insulation diagnosis sensor 10 constituted by the above conditions is used in combination with the mounting space 76 located between the inner and outer locking jaws 73 and 75 of the cradle 60 fitted to the rim of the opening and closing door 30, at this time The double monopole strip sensor 50 located on the metal substrate 40 is installed toward the inside of the switchboard or distribution board 20.

배전반 혹은 분전반(20)의 개폐문(30) 테두리에 끼워지는 거치대(60)는 개폐문(30)의 상하좌우측 테두리에 선택하여 설치할 수 있다.The cradle 60 fitted to the edge of the opening and closing door 30 of the switchboard or distribution panel 20 may be selectively installed on the upper, lower, left, and right edges of the opening and closing door 30.

이와 같이 구성된 본 발명은, 배전반 혹은 분전반(20)을 구성하는 개폐문(30)의 테두리 내측요입홈(31)에 실리콘재질로 구성된 거치대(60)를 고정설치하고, 상기 거치대(60)를 구성하는 본체(70) 및 지지판(71)에 구성된 내외측걸림턱(73)(75) 사이에 구성된 거치공간(76)에 절연진단센서(10)가 결합된다.In the present invention configured as described above, the cradle 60 made of silicon material is fixedly installed in the recessed groove 31 inside the rim of the opening and closing door 30 constituting the switchboard or distribution panel 20, and the cradle 60 is configured. The insulation diagnosis sensor 10 is coupled to the mounting space 76 configured between the body 70 and the inner and outer locking projections 73 and 75 configured on the support plate 71.

상기 절연진단센서(10)를 구성하는 금속기판(40)은 유전율 4.4의 합금소재로 구성되어 있으나, 금속기판(40)를 지지하는 거치대(60)의 본체(70)가 절연성이 우수한 실리콘소재로 구성되어 있어, 절연진단센서(10)의 안정성을 확보할 수 있게 되며, 거치대(60) 내부에 매립된 차단판(80)은 금속판으로 구성되어 있어 형태안정성을 유지함과 동시에, 개폐문(30) 외부에서 유입되는 전자파를 차단하기 위한 외부2차공진방지를 목적으로 한 것이다.The metal substrate 40 constituting the insulation diagnosis sensor 10 is made of an alloy material having a dielectric constant of 4.4, but the main body 70 of the cradle 60 supporting the metal substrate 40 is made of a silicon material having excellent insulation properties. Since it is configured, it is possible to secure the stability of the insulation diagnosis sensor 10, and the blocking plate 80 embedded in the cradle 60 is composed of a metal plate to maintain shape stability and at the same time, the outside of the opening and closing door 30 It is intended to prevent external secondary resonance to block the electromagnetic waves flowing in from.

따라서 개폐문(30)을 닫으면 거치대(60)의 거치공간(76)에 경사설치된 절연진단센서(10)가, 배전함 혹은 분전반의 내부설비쪽으로 향하게 위치하게 되므로 내부설비에서 발생하는 절연사고나, 부분방전시 발생하는 특정전자파를 검출하여 스펙트럼분석기를 통하여 식별할 수 있게 함으로서, 감전이나 전기화재와 같은 안전사고를 효과적으로 방지할 수 있다.Therefore, when the opening and closing door 30 is closed, the insulation diagnosis sensor 10, which is installed inclined in the mounting space 76 of the holder 60, is positioned toward the internal equipment of the distribution box or distribution board, so that insulation accidents occurring in the internal equipment or partial discharge Safety accidents such as electric shock or electric fire can be effectively prevented by detecting specific electromagnetic waves generated during the event and identifying them through a spectrum analyzer.

절연진단센서(10)를 구성하는 유전율 4.4의 합금소재로 구성된 금속기판(40)의 길이(1L), 폭(2L), 두께(3L)의 조건이나, 이중 모노폴스트립센서(50)를 구성하는 제1도전체(51)와 제2도전체(52) 사이의 길이(4L)나 폭(5L), 두께(6L), 간격(7L)을 한정한 것을 실시예의 조건에서 가장 효과적인 고장진단유무를 감지하기 위한 것이다.The condition of the length (1L), width (2L), and thickness (3L) of the metal substrate 40 made of an alloy material having a dielectric constant of 4.4 constituting the insulation diagnosis sensor 10, or constituting the double monopole strip sensor 50 Limiting the length (4L), width (5L), thickness (6L), and spacing (7L) between the first conductor 51 and the second conductor 52 to determine the most effective failure diagnosis under the conditions of the embodiment. To detect.

이상에서 설명한 바와 같이, 본 발명에서 제공하고자 하는 배전반 혹은 분전반을 구성하는 개폐문의 테두리 내측에 실리콘소재와 금속차단판으로 된 거치대를 고정설치하고, 상기 거치대에 구성된 거치공간에 절연진단센서를 고정설치하는 간단한 구성으로 배전반 혹은 분전반 내부에서 발생하는 절연사고나 부분방전시 발생하는 특정전자파를 효과적으로 검출, 식별토록 함으로서, 감전이나 전기화재와 같은 안전사고를 예방할 수 있다.As described above, a holder made of a silicon material and a metal blocking plate is fixedly installed inside the rim of the opening and closing door constituting the switchboard or distribution panel to be provided in the present invention, and the insulation diagnosis sensor is fixedly installed in the mounting space configured in the holder. With a simple configuration, it is possible to prevent safety accidents such as electric shock or electric fire by effectively detecting and identifying specific electromagnetic waves generated during partial discharge or insulation accidents occurring inside the switchboard or distribution board.

(10)--절연진단센서 (20)--분전반
(30)--개폐문 (40)--금속기판
(50)--이중 모노폴스트립센서 (51)--제1도전체
(51-1)--포트1 (52)--제2도전체
(52-1)--포트2 (60)--거치대
(70)--본체 (71)--지지판
(72)--외측걸림홈 (73)--외측걸림턱
(74)--내측걸림홈 (75)--내측걸림턱
(76)--거치공간 (80)--차단판(10)--Insulation diagnosis sensor (20)--Distribution board
(30)--Open and close door (40)--Metal substrate
(50)--Dual monopole strip sensor (51)--Conductor 1
(51-1)--Port 1 (52)--Conductor 2
(52-1)--Port 2 (60)--Mount
(70)--Main Body (71)--Support Plate
(72)--External locking groove (73)--External locking jaw
(74)--Inner locking groove (75)--Inner locking jaw
(76)--Living space (80)--Blocking plate

Claims (4)

배전반, 분전반의 절연진단센서 거치대를 구성함에 있어서, 거치대(60)를 구성하는 본체(70)를 실리콘수지로 성형하되, 본체(70) 일측에 지지판(71)을 돌출구성하고, 상기 지지판(71) 내측 선단부에 외측걸림홈(72)이 형성된 외측걸림턱(73)을 구성하고, 지지판(71) 타측 본체(70)에는 내측걸림홈(74)이 형성된 내측걸림턱(75)을 구성하여, 내외측걸림턱(73)(75) 사이에 거치공간(76)을 구성하고, 본체(70) 및 지지판(71) 내면에는 금속판으로 된 차단판(80)를 매립설치하여, 거치대(60)의 형태를 견고히 지탱케 함과 동시에, 외부로부터 유입되는 방해전자파를 차단하는 2차공진방지수단을 구비한 것을 특징으로 하는 배전반, 분전반의 절연진단센서 거치대.In configuring the switchboard and the insulation diagnosis sensor cradle of the distribution board, the main body 70 constituting the cradle 60 is formed of silicone resin, and the support plate 71 is protruded from one side of the main body 70, and the support plate 71 ) To configure the outer locking jaw 73 formed with the outer locking groove 72 at the inner tip, and the support plate 71, the other side body 70 constitutes an inner locking jaw 75 having an internal locking groove 74 formed, A mounting space 76 is formed between the inner and outer locking jaws 73 and 75, and a blocking plate 80 made of a metal plate is embedded and installed on the inner surface of the main body 70 and the support plate 71, A switchboard and an insulation diagnosis sensor cradle for a distribution board, characterized in that it has a secondary resonance preventing means that blocks disturbing electromagnetic waves from outside while firmly supporting the shape. 배전반이나 분전반 내부에서 발생하는 전자파를 감지, 식별하는 절연감지장치를 구성함에 있어서, 배전반이나 분전반 중 어느 하나의 개폐문(30) 내측 테두리에 구성된 요입홈(31)에, 거치대(60)를 끼워 고정하되, 상기 거치대(60)는 실리콘재질로 된 본체(70)와 지지판(71)으로 구성되고, 상기 본체(70)와 지지판(71) 내부에 금속으로 된 차단판(80)을 매립설치하고, 일측에 거치공간(76)이 형성되게 하고, 상기 거치대(60)의 거치공간(76)에, 절연진단센서(10)를 결합하되, 상기 절연진단센서(10)는 도전체로 된 금속기판(40)에, 제1도전체(51)로 된 포트1(51-1)과, 제2도전체(52)로 된 포트2(52-1)가 대칭형으로 구성된 이중 모노폴스트립센서(50)를 접합구성하고, 상기 각 포트에 스펙트럼분석기를 설치하여 배전반이나 분전반 내부에서 발생하는 전자파를 감지, 식별할 수 있게 함을 특징으로 하는 배전반, 분전반의 절연진단센서 및 절연진단센서 거치대를 이용한 절연감지장치.In constructing an insulation sensing device that detects and identifies electromagnetic waves generated inside a switchboard or distribution board, the cradle 60 is inserted and fixed in the recessed groove 31 formed on the inner edge of the opening and closing door 30 of either the switchboard or the distribution board. However, the cradle 60 is composed of a body 70 made of a silicon material and a support plate 71, and a blocking plate 80 made of metal is embedded in the body 70 and the support plate 71, and A mounting space 76 is formed on one side, and an insulation diagnosis sensor 10 is coupled to the mounting space 76 of the cradle 60, and the insulation diagnosis sensor 10 is a metal substrate 40 made of a conductor. ), the port 1 (51-1) of the first conductor (51) and the port 2 (52-1) of the second conductor (52) are symmetrical to the double monopole strip sensor (50). Insulation detection device using a switchboard, an insulation diagnosis sensor of a distribution panel, and an insulation diagnosis sensor cradle, characterized in that it is possible to detect and identify electromagnetic waves generated inside the switchboard or distribution panel by installing a spectrum analyzer at each port. 제2항에 있어서, 지지판(71) 내측 선단부에 외측걸림홈(72)이 형성된 외측걸림턱(73)을 구성하고, 지지판(71) 타측 본체(70)에는 내측걸림홈(74)이 형성된 내측걸림턱(75)을 구성하여, 내외측걸림턱(73)(75) 사이에 거치공간(76)이 형성되게 하되, 상기 거치공간(76)은 배전함 혹은 분전함의 내부쪽으로 향하게 하고, 절연진단센서(10)를 구성하는 금속기판(40)은 유전율 4.4의 합금소재로 구성하고, 이중 모노폴스트립센서(50)를 구성하는 두가닥의 제1도전체(51)와, 두가닥의 제2도전체(52)는, 서로 교호로 사이사이에 끼워지게 배열시킨 것을 특징으로 하는 배전반, 분전반의 절연진단센서 및 절연진단센서 거치대를 이용한 절연감지장치.According to claim 2, The support plate 71 constitutes an outer locking groove (73) in which an outer locking groove (72) is formed at the inner tip of the support plate (71), and the inner locking groove (74) is formed in the other body (70) of the support plate (71). By configuring the locking projections 75, a mounting space 76 is formed between the inner and outer locking projections 73, 75, but the mounting space 76 is directed toward the inside of a distribution box or distribution box, and an insulation diagnosis sensor The metal substrate 40 constituting (10) is made of an alloy material having a dielectric constant of 4.4, and the two-stranded first conductor 51 and the two-stranded second conductor constituting the double monopole strip sensor 50 (52) Insulation detection device using a switchboard, an insulation diagnosis sensor of a distribution board, and an insulation diagnosis sensor cradle, characterized in that arranged so as to be sandwiched between each other alternately. 삭제delete
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100477505B1 (en) * 2002-12-11 2005-03-17 한국전기연구원 Antenna covered or molded with insulating safety cover for detecting partial discharge
JP2005265684A (en) * 2004-03-19 2005-09-29 Mitsubishi Electric Corp Insulation monitoring device of metal enclosed type switchboard
KR101102547B1 (en) * 2010-11-02 2012-01-03 (주)케이제이다이나텍 Deterioration sensor for insulated device and deterioration diagnosis apparatus of the same
KR101336045B1 (en) 2012-06-22 2013-12-05 대림대학교산학협력단 An active insulation resistance measurement for non-interrupting electric power of a distribution board and a switchboard
KR101382418B1 (en) 2012-11-30 2014-04-08 박기주 Apparatus for monitoring insulation of motor control board, cabinet board, distributing board using compund sensor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100477505B1 (en) * 2002-12-11 2005-03-17 한국전기연구원 Antenna covered or molded with insulating safety cover for detecting partial discharge
JP2005265684A (en) * 2004-03-19 2005-09-29 Mitsubishi Electric Corp Insulation monitoring device of metal enclosed type switchboard
KR101102547B1 (en) * 2010-11-02 2012-01-03 (주)케이제이다이나텍 Deterioration sensor for insulated device and deterioration diagnosis apparatus of the same
KR101336045B1 (en) 2012-06-22 2013-12-05 대림대학교산학협력단 An active insulation resistance measurement for non-interrupting electric power of a distribution board and a switchboard
KR101382418B1 (en) 2012-11-30 2014-04-08 박기주 Apparatus for monitoring insulation of motor control board, cabinet board, distributing board using compund sensor

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