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KR101287908B1 - Electromagnetic wave measuring device for rectifier protection with temperature, humidity sensor - Google Patents

Electromagnetic wave measuring device for rectifier protection with temperature, humidity sensor Download PDF

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KR101287908B1
KR101287908B1 KR1020110144999A KR20110144999A KR101287908B1 KR 101287908 B1 KR101287908 B1 KR 101287908B1 KR 1020110144999 A KR1020110144999 A KR 1020110144999A KR 20110144999 A KR20110144999 A KR 20110144999A KR 101287908 B1 KR101287908 B1 KR 101287908B1
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measuring device
temperature
humidity sensor
sensor
built
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KR20130076416A (en
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정호성
박영
박철민
김진호
정종덕
장명길
장순호
이병두
김용덕
임형길
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한국철도기술연구원
서울메트로
주식회사 제나드시스템
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08Measuring electromagnetic field characteristics
    • G01R29/0864Measuring electromagnetic field characteristics characterised by constructional or functional features
    • G01R29/0871Complete apparatus or systems; circuits, e.g. receivers or amplifiers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00Thermometers specially adapted for specific purposes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08Measuring electromagnetic field characteristics
    • G01R29/0864Measuring electromagnetic field characteristics characterised by constructional or functional features
    • G01R29/0892Details related to signal analysis or treatment; presenting results, e.g. displays; measuring specific signal features other than field strength, e.g. polarisation, field modes, phase, envelope, maximum value
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01WMETEOROLOGY
    • G01W1/00Meteorology
    • G01W1/02Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed

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  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Testing Relating To Insulation (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

본 발명은 온도, 습도 센서를 내장한 정류기 보호용 전자파 측정장치에 관한 것으로, 온도와 습도의 변화를 측정하는 센서가 내장되는 헤드부; 상기 헤드부의 하단에 장착되는 연결부; 및 상기 연결부의 하단에 결합되고, 전자파의 변화를 측정하는 센서가 내장되는 받침부; 를 포함하는 것을 특징으로 한다.
이에 의하여, 도시철도의 전력설비에서 절연시 방전으로 인해 발생되는 신호를 측정하는데 사용되는 다수의 센서가 하나의 측정장치에 모듈화됨으로써, 하나의 측정장치를 통해 여러 가지 신호를 측정할 수 있다.
또한, 측정시 설치되는 공간이 저감되어 공간활용도가 우수하면서 관리의 편리성이 향상되어 측정장치에 대한 신뢰성을 제공할 수 있다.
The present invention relates to an electromagnetic wave measuring device for rectifier protection with a built-in temperature and humidity sensor, the head unit is built in the sensor for measuring changes in temperature and humidity; A connection part mounted at a lower end of the head part; And a support part coupled to a lower end of the connection part and having a sensor for measuring a change in electromagnetic waves. And a control unit.
As a result, a plurality of sensors used to measure signals generated due to discharge during insulation in electric power facilities of urban railways are modularized in one measuring device, and thus, various signals may be measured through one measuring device.
In addition, the space installed during the measurement is reduced, and the space utilization is excellent while the convenience of management is improved, thereby providing reliability for the measuring device.

Description

온도, 습도 센서를 내장한 정류기 보호용 전자파 측정장치{ELECTROMAGNETIC WAVE MEASURING DEVICE FOR RECTIFIER PROTECTION WITH TEMPERATURE, HUMIDITY SENSOR}ELECTROMAGNETIC WAVE MEASURING DEVICE FOR RECTIFIER PROTECTION WITH TEMPERATURE, HUMIDITY SENSOR}

본 발명은 온도, 습도 센서를 내장한 정류기 보호용 전자파 측정장치에 관한 것으로, 더욱 상세하게는 도시철도의 전력설비에서 절연시 방전으로 인해 발생되는 신호를 측정하는데 사용되는 다수의 센서가 하나의 측정장치에 모듈화됨으로써, 하나의 측정장치를 통해 여러 가지 신호를 측정할 수 있으며, 측정시 설치되는 공간이 저감되어 공간활용도가 우수하면서 관리의 편리성이 향상되어 측정장치에 대한 신뢰성을 제공하는 온도, 습도 센서를 내장한 정류기 보호용 전자파 측정장치에 관한 것이다.
The present invention relates to an electromagnetic wave measuring device for rectifier protection with a built-in temperature and humidity sensor, more specifically, a plurality of sensors used to measure the signal generated by the discharge during insulation in the power equipment of urban railways one measuring device By modularizing in, various signals can be measured through a single measuring device, and the space installed during the measurement is reduced, so that the space utilization is excellent and the convenience of management is improved, thereby providing reliability for the measuring device. The present invention relates to an electromagnetic measuring device for rectifier protection with a built-in sensor.

현대에는 자동차, 버스, 도시철도 등의 대중교통수단이 발달되었으며, 특히 도시철도의 수요 증가와 함께 전력을 공급하는 전력설비의 수요도 증가되면서 전력설비의 안전성이 중요해지고 있는 실정으로, 이는 도시철도 전력설비의 결함으로 인해 발생되는 사고가 승객들의 안전과 직결되기 때문이다.In modern times, public transportation such as automobiles, buses, and urban railways has been developed. In particular, the safety of power facilities is becoming more important as the demand for power facilities that supply electric power increases along with the demand for urban railways. Accidents caused by a fault in the power plant are directly related to passenger safety.

일반적으로 도시철도 전력설비의 안전성을 확보하기 위하여, 주 사고원인인 내부의 결함을 측정하기 위하여 다양한 측정장치가 사용된다.In general, in order to secure the safety of urban railway power equipment, various measuring devices are used to measure internal defects that are the main cause of accidents.

선행기술문헌들의 예로 대한민국등록특허공보 제10-0493546호의 전차선 원격관리시스템”, 일본공개특허공보 제10-1995-333279호의누설 시험 장치등이 있다.Examples of the prior art documents include the tramline remote management system ” of Korea Patent Publication No. 10-0493546, and the leak test apparatus ” of Japanese Patent Application Publication No. 10-1995-333279.

상기 선행기술문헌들은 도시철도 전력설비의 결함을 신속하게 측정하여 안전성과 신뢰성을 향상시키는 장치입니다.The above prior art documents improve the safety and reliability by quickly measuring the defects of the urban railway power equipment.

그러나, 종래의 도시철도 전력설비의 결함을 측정하는데 사용되는 측정장치는 한 개의 센서만 구성되어 여러 가지 측정을 동시에 할 수 없는 문제점이 있다.However, the measuring device used to measure the defect of a conventional metropolitan electric power facility has a problem in that only one sensor is configured to make various measurements simultaneously.

또한, 한 개의 센서만 구성된 측정장치는 여러 가지 측정이 동시에 진행하는데 넓은 공간을 차지할 뿐만 아니라 분실에 따른 관리의 불편함이 발생되는 문제점도 있다.
In addition, the measuring device consisting of only one sensor occupies a large space for various measurements to proceed at the same time, there is also a problem that the inconvenience of management caused by loss.

따라서, 본 발명의 목적은 도시철도의 전력설비에서 절연시 방전으로 인해 발생되는 신호를 측정하는데 사용되는 다수의 센서가 하나의 측정장치에 모듈화됨으로써, 하나의 측정장치를 통해 여러 가지 신호를 측정할 수 있으며, 측정시 설치되는 공간이 저감되어 공간활용도가 우수하면서 관리의 편리성이 향상되어 측정장치에 대한 신뢰성을 제공하는 온도, 습도 센서를 내장한 정류기 보호용 전자파 측정장치에 관한 것이다.
Accordingly, an object of the present invention is to measure a number of signals through a single measuring device by modularizing a plurality of sensors in one measuring device used to measure the signal generated by the discharge during insulation in the power equipment of the urban railway, The present invention relates to an electromagnetic wave measuring device for protecting rectifier with a built-in temperature and humidity sensor that can reduce the space installed at the time of measurement and provide excellent space utilization and improve the convenience of management.

상기 목적은, 본 발명에 따라, 온도와 습도의 변화를 측정하는 센서가 내장되는 헤드부; 상기 헤드부의 하단에 장착되는 연결부; 및 상기 연결부의 하단에 결합되고, 전자파의 변화를 측정하는 센서가 내장되는 받침부; 를 포함하는 것을 특징으로 하는 온도, 습도 센서를 내장한 정류기 보호용 전자파 측정장치에 의하여 달성된다.The above object, according to the present invention, the head unit is built in the sensor for measuring the change in temperature and humidity; A connection part mounted at a lower end of the head part; And a support part coupled to a lower end of the connection part and having a sensor for measuring a change in electromagnetic waves. It is achieved by an electromagnetic wave measuring device for rectifier protection, characterized in that it comprises a temperature, humidity sensor.

여기서, 상기 헤드부에 내장된 온도, 습도의 센서로 인해 측정된 신호를 전류로 변환시키는 신호처리부가 형성되는 것이 바람직하다.Here, it is preferable that a signal processing unit for converting a measured signal into a current is formed by a sensor of temperature and humidity embedded in the head unit.

상기 연결부는 회전이 가능한 것이 바람직하다.Preferably, the connection part is rotatable.

상기 받침부에는 전원을 입력하는 전원입력부가 형성되는 것이 바람직하다.Preferably, the support part is provided with a power input unit for inputting power.

상기 받침부에는 측정된 온도, 습도 및 전자파 신호를 출력하는 신호출력부가 형성되는 것이 바람직하다.It is preferable that the support part is provided with a signal output part for outputting measured temperature, humidity and electromagnetic signals.

그리고, 상기 받침부의 하부에는 탈부착이 가능한 자성체가 형성되는 것이 바람직하다.
In addition, it is preferable that a magnetic material that can be attached and detached beneath the support part.

본 발명에 따르면, 도시철도의 전력설비에서 절연시 방전으로 인해 발생되는 신호를 측정하는데 사용되는 다수의 센서가 하나의 측정장치에 모듈화됨으로써, 하나의 측정장치를 통해 여러 가지 신호를 측정할 수 있다. According to the present invention, a plurality of sensors used to measure the signal generated by the discharge during insulation in the power equipment of the urban railway is modularized in one measuring device, it is possible to measure a variety of signals through one measuring device .

또한, 측정시 설치되는 공간이 저감되어 공간활용도가 우수하면서 관리의 편리성이 향상되어 측정장치에 대한 신뢰성을 제공할 수 있다.
In addition, the space installed during the measurement is reduced, and the space utilization is excellent while the convenience of management is improved, thereby providing reliability for the measuring device.

도 1은 본 발명에 따른 온도, 습도 센서를 내장한 정류기 보호용 전자파 측정장치를 나타내는 사시도,
도 2는 본 발명에 따른 정류기 보호용 전자파 측정장치의 연결부의 회전을 나타내는 사시도,
도 3은 본 발명에 따른 정류기 보호용 전자파 측정장치의 받침부에 자성체가 형성되는 것을 나타내는 사시도.
1 is a perspective view showing an electromagnetic wave measuring device for rectifier protection incorporating a temperature, humidity sensor according to the present invention,
Figure 2 is a perspective view showing the rotation of the connection of the rectifier protection electromagnetic wave measuring apparatus according to the present invention,
Figure 3 is a perspective view showing that the magnetic body is formed in the support portion of the electromagnetic wave measuring device for protecting rectifier according to the present invention.

이하에서는 첨부된 도면을 참고하여 본 발명에 대해 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

본 발명에 따른 온도, 습도 센서를 내장한 정류기 보호용 전자파 측정장치는, 도 1 내지 도 3에 도시된 바와 같이, 헤드부(110), 연결부(120) 및 받침부(130)를 포함한다.Electromagnetic wave measuring device for rectifier protection incorporating a temperature, humidity sensor according to the present invention, as shown in Figures 1 to 3, includes a head portion 110, the connecting portion 120 and the supporting portion 130.

정류기 보호용 전자파 측정장치(100)는 도시철도 전력설비의 절연시 부분방전으로 인해 발생되는 온도, 습도 및 전자파의 변화를 측정한다.The rectifier protection electromagnetic wave measuring apparatus 100 measures changes in temperature, humidity, and electromagnetic waves generated due to partial discharge during insulation of an urban railway power facility.

부분방전은 빛(불꽃), 접지선을 통한 누설전류, 절연이상 부위의 국부과열 및 광대역의 전자파 발생 등의 신호가 동반되어 발생된다.Partial discharges are accompanied by signals such as light (flame), leakage current through the ground wire, local overheating in the area of insulation failure, and generation of broadband electromagnetic waves.

헤드부(110)는 온도와 습도의 변화를 측정하는 센서가 내장되는 것으로, 타원형 형상으로 외부가 다단으로 형성된다.The head unit 110 includes a sensor for measuring changes in temperature and humidity, and has an elliptical shape, and the outside is formed in multiple stages.

온도는 부분방전으로 인해 발생되는 다수의 신호들로부터 발생되는 것이며, 습도는 상승으로 공기 중의 절연내력이 저하되어 절연파괴의 사고로 이어지게 된다.The temperature is generated from a plurality of signals generated by the partial discharge, the humidity rises, the insulation strength in the air is lowered, leading to an accident of breakdown.

절연내력은 유전체에서 전기적 고장 또는 절연물 파괴가 생기는 전기장을 의미하는 것으로, 주로 비오고 습한 날에 전신주에서 발생되는 잡음은 절연내력이 습도로 인해 낮아지게 되어 절연파괴로 인해 발생되는 것이다.Insulation strength refers to an electric field in which dielectric failure or dielectric breakdown occurs in a dielectric. Noise generated in a telephone pole mainly on rainy and wet days is caused by insulation breakdown due to low insulation strength due to humidity.

헤드부(110)는 외부 둘레의 중앙이 구획되어 분리, 결합이 용이하여 헤드부(110)에 내장된 온도 센서나 습도 센서의 고장시 신속하게 교체할 수 있다.The head unit 110 is partitioned in the center of the outer circumference and can be easily separated and coupled so that the temperature sensor or the humidity sensor built in the head unit 110 can be quickly replaced.

헤드부(110)는 온도, 습도의 센서로 인해 측정된 신호를 전류로 변환시키는 신호처리부(140)가 내장되는 것으로, 신호처리부(140)는 본 실시예에서 헤드부(110)에 내장되는 것으로 기재하였으나, 이는 하나의 예로서 한정되는 것은 아니다.The head unit 110 includes a signal processor 140 for converting a signal measured by a sensor of temperature and humidity into a current, and the signal processor 140 is embedded in the head unit 110 in the present embodiment. Although described, this is not limited to one example.

연결부(120)는 헤드부(110)의 하단에 장착되는 것으로, 헤드부(110)에 장착된 연결부(120)는 아래로 갈수록 좁아지게 형성되고, 연결부(120)의 중앙에서 다시 확대되어 아래에서 설명하게 되는 받침부(130)의 상부에 결합된다.The connection part 120 is mounted at the lower end of the head part 110, and the connection part 120 mounted on the head part 110 is formed to become narrower toward the bottom, and is enlarged again at the center of the connection part 120 to be below. It is coupled to the upper portion of the support 130 to be described.

연결부(120)는 중앙이 분할되어 회전이 가능한 것으로, 이는 주요 결함이 발생될 가능성이 높은 부분으로 회전이 용이함으로 결함에 따른 측정반경을 확대하기 위함이다.The connection part 120 is divided into a center and can be rotated. This is to expand the radius of measurement due to a defect by easily rotating to a part where a major defect is likely to occur.

받침부(130)는 원통형 형상으로 연결부의 하단에 결합되는 것으로, 전자파의 변화를 측정하는 센서가 내장된다.Support portion 130 is coupled to the lower end of the connecting portion in a cylindrical shape, a sensor for measuring the change of the electromagnetic wave is built.

전자파는 ELF, VLF, LF, MF, HF, VHF, UHF, SHF 등으로 이루어진다.Electromagnetic waves consist of ELF, VLF, LF, MF, HF, VHF, UHF, SHF and the like.

받침부(130)에는 전원을 입력하는 전원입력부(131)가 형성되고, 동시에 측정된 온도, 습도 및 전자파 신호를 외부로 출력시키는 신호출력부(132)가 형성되는 것으로, 전원입력부(131)와 신호출력부(132)는 받침부(130)의 외부 둘레에 각각 형성된다.The support unit 130 is formed with a power input unit 131 for inputting power, and a signal output unit 132 for outputting the measured temperature, humidity, and electromagnetic signals to the outside is formed, the power input unit 131 and The signal output unit 132 is formed around the outer circumference of the base 130.

온도/습도 출력부(132a))는 주로 단자형태로 이루어지고, 구동전원 DC(직류) 입력기능도 동시에 가능하다.The temperature / humidity output unit 132a) mainly consists of a terminal form, and a driving power supply DC (direct current) input function is also possible at the same time.

전자파 출력부(132b)는 SMA(Subminiature version A) 커넥터 타입으로 DC(직류: Direct Current)에서 18GHz까지 훌륭한 성능을 발휘하는 커넥터로서 컴팩트한 사이즈와 뛰어난 내구성을 가진다.The electromagnetic wave output unit 132b is a SMA (Subminiature version A) connector type that shows excellent performance from DC (direct current) to 18 GHz and has a compact size and excellent durability.

받침부(130)의 하부에는 탈부착이 가능한 자성체(133)가 형성되는 것으로, 자성체(磁性體)(133)는 자성(磁性)을 지녀 자기장 안에서 자화하는 것으로, 대표적으로 자석을 의미한다.A removable magnetic body 133 is formed at the lower portion of the support 130, and the magnetic body 133 has magnetization and magnetizes in a magnetic field, and typically refers to a magnet.

자성체(133)는 받침부(130)의 직경보다 작게 형성되는 것으로, 자성체(133)는 받침부(130)의 하부 중앙에 형성되어 측정하고자 하는 위치에 용이하게 고정된다.
The magnetic body 133 is formed smaller than the diameter of the base portion 130, the magnetic body 133 is formed in the lower center of the base portion 130 is easily fixed to the position to be measured.

이러한 구성을 가지는 본 발명에 따른 온도, 습도 센서를 내장한 정류기 보호용 전자파 측정장치의 작동상태에 관하여 설명하면 다음과 같다.Referring to the operating state of the electromagnetic wave measuring device for rectifier protection with a temperature, humidity sensor according to the present invention having such a configuration as follows.

우선, 도 1 내지 도 3에 도시된 바와 같이, 정류기 보호용 전자파 측정장치(100)는 도시철도의 전력설비에 부분방전이 발생되는 위치에 신속하게 배치된다.First, as shown in Figures 1 to 3, the rectifier protection electromagnetic wave measuring apparatus 100 is quickly disposed at the position where the partial discharge in the power equipment of the urban railway.

배치된 정류기 보호용 전자파 측정장치(100)는 받침부(130)에 형성된 전원입력부(131)로부터 전원이 입력되어 헤드부(110)에 내장된 온도, 습도 센서와 받침부에 내장된 전자파 센서가 구동되어 측정을 시작한다.In the arranged rectifier protection electromagnetic measuring device 100, the power is input from the power input unit 131 formed in the support unit 130 to drive the temperature and humidity sensor built into the head unit 110 and the electromagnetic sensor built into the support unit. Start the measurement.

신호처리부(140)는 온도 및 습도 센서로부터 측정된 신호를 전류로 변환시키고, 변환시킨 전류와 측정된 전자파의 전류를 외부로 출력시켜 측정을 확인한다.The signal processor 140 converts the signal measured from the temperature and humidity sensor into a current, and outputs the converted current and the measured electric current to the outside to confirm the measurement.

이를 통해 측정이 확인되면 필요에 따라 사후처리인 교체 및 보수를 통해 도시철도에 공급되는 전력이 차질이 없도록 한다.Through this, if the measurement is confirmed, it is necessary to replace and repair the post-treatment as necessary to ensure that the power supplied to the urban railway is not disrupted.

이에, 본 발명에 따르면, 도시철도의 전력설비에서 절연시 방전으로 인해 발생되는 신호를 측정하는데 사용되는 다수의 센서가 하나의 측정장치에 모듈화됨으로써, 하나의 측정장치를 통해 여러 가지 신호를 측정할 수 있다. Accordingly, according to the present invention, a plurality of sensors used to measure the signal generated by the discharge during insulation in the power equipment of the urban railway is modularized in one measuring device, thereby measuring various signals through one measuring device. Can be.

또한, 측정시 설치되는 공간이 저감되어 공간활용도가 우수하면서 관리의 편리성이 향상되어 측정장치에 대한 신뢰성을 제공할 수 있다.
In addition, the space installed during the measurement is reduced, and the space utilization is excellent while the convenience of management is improved, thereby providing reliability for the measuring device.

100 : 측정장치 110 : 헤드부
120 : 연결부 130 : 받침부
131 : 전원입력부 132 : 신호출력부
132a : 온도/습도 신호출력부 132b : 전자파 신호출력부
133 : 자성체 140 : 신호처리부
100: measuring device 110: head
120: connection part 130:
131: power input unit 132: signal output unit
132a: temperature / humidity signal output unit 132b: electromagnetic signal output unit
133: magnetic material 140: signal processing unit

Claims (6)

온도와 습도의 변화를 측정하는 센서가 내장되는 헤드부;
상기 헤드부의 하단에 회전이 가능하도록 장착되는 연결부; 및
상기 연결부의 하단에 결합되고, 전자파의 변화를 측정하는 센서가 내장되는 받침부; 를 포함하는 것을 특징으로 하는 온도, 습도 센서를 내장한 정류기 보호용 전자파 측정장치.
A head unit having a sensor measuring a change in temperature and humidity;
A connection part mounted on the lower end of the head to be rotatable; And
A support unit coupled to a lower end of the connection unit and having a sensor for measuring a change in electromagnetic waves; Electromagnetic wave measuring device for rectifier protection with a temperature, humidity sensor, characterized in that it comprises a.
제 1 항에 있어서,
상기 헤드부에 내장된 온도, 습도의 센서로 인해 측정된 신호를 전류로 변환시키는 신호처리부가 형성되는 것을 특징으로 하는 온도, 습도 센서를 내장한 정류기 보호용 전자파 측정장치.
The method of claim 1,
Electromagnetic measuring device for rectifier protection with a built-in temperature, humidity sensor, characterized in that the signal processing unit for converting the signal measured by the temperature and humidity sensor built in the head unit is formed.
삭제delete 제 1 항에 있어서,
상기 받침부에는 전원을 입력하는 전원입력부가 형성되는 것을 특징으로 하는 온도, 습도 센서를 내장한 정류기 보호용 전자파 측정장치.
The method of claim 1,
Electromagnetic measuring device for rectifier protection with a built-in temperature, humidity sensor, characterized in that the power input unit for inputting power is formed in the support portion.
제 1 항에 있어서,
상기 받침부에는 측정된 온도, 습도 및 전자파 신호를 출력하는 신호출력부가 형성되는 것을 특징으로 하는 온도, 습도 센서를 내장한 정류기 보호용 전자파 측정장치.
The method of claim 1,
Rectifier protection electromagnetic wave measuring device with a built-in temperature, humidity sensor, characterized in that the signal output unit for outputting the measured temperature, humidity and electromagnetic wave signal is formed in the receiving portion.
제 1 항에 있어서,
상기 받침부의 하부에는 탈부착이 가능한 자성체가 형성되는 것을 특징으로 하는 온도, 습도 센서를 내장한 정류기 보호용 전자파 측정장치.
The method of claim 1,
Electromagnetic measuring device for rectifier protection with a built-in temperature, humidity sensor, characterized in that the removable magnetic material is formed in the lower portion of the support.
KR1020110144999A 2011-12-28 2011-12-28 Electromagnetic wave measuring device for rectifier protection with temperature, humidity sensor Expired - Fee Related KR101287908B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104198829A (en) * 2014-09-09 2014-12-10 大连理工大学 Electromagnetic radiation measurement device and measurement method based on ARM band temperature and humidity self-correction

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996030774A1 (en) 1995-03-27 1996-10-03 Hitachi Electronics Services Co., Ltd. Noise detecting and recording device
KR100543585B1 (en) 2003-12-24 2006-01-20 (주)우석엔지니어링 Partial discharge diagnosis device and data transmission method using same
KR100679084B1 (en) 2005-02-17 2007-02-05 (주) 피에스디테크 Built-in partial discharge detection sensor in gas insulated switchgear

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996030774A1 (en) 1995-03-27 1996-10-03 Hitachi Electronics Services Co., Ltd. Noise detecting and recording device
KR100543585B1 (en) 2003-12-24 2006-01-20 (주)우석엔지니어링 Partial discharge diagnosis device and data transmission method using same
KR100679084B1 (en) 2005-02-17 2007-02-05 (주) 피에스디테크 Built-in partial discharge detection sensor in gas insulated switchgear

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104198829A (en) * 2014-09-09 2014-12-10 大连理工大学 Electromagnetic radiation measurement device and measurement method based on ARM band temperature and humidity self-correction

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