KR840005555A - Vacuum Monitor for Vacuum Circuit Breaker - Google Patents

Vacuum Monitor for Vacuum Circuit Breaker Download PDF

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Publication number
KR840005555A
KR840005555A KR1019830002967A KR830002967A KR840005555A KR 840005555 A KR840005555 A KR 840005555A KR 1019830002967 A KR1019830002967 A KR 1019830002967A KR 830002967 A KR830002967 A KR 830002967A KR 840005555 A KR840005555 A KR 840005555A
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South Korea
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vacuum
circuit breaker
signal
monitor
detection
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KR1019830002967A
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Korean (ko)
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KR920008836B1 (en
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슈조(외 1) 다니가기
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이마이 마사오
가부시기가이샤 메이델샤
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Publication of KR920008836B1 publication Critical patent/KR920008836B1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/668Means for obtaining or monitoring the vacuum

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  • Measuring Fluid Pressure (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

Abstract

내용 없음No content

Description

진공차단기용 진공모니터Vacuum Monitor for Vacuum Circuit Breaker

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

본 발명의 진공차단기용 진공모니터는 종래의 진공압 측정장치나 방법보다 우수한 특징이나 이점은 첨부한 도면을 이용하여서 본 발명의 다음의 실시예의 설명에 의해 보다 명확하게 이해하도록 도면중에 있어서는 동일 또는 유사의 요소 또는 부분에는 동일의 참조부호를 사용하였다.The vacuum monitor for a vacuum circuit breaker of the present invention is the same or similar in the drawings to better understand the characteristics and advantages of the conventional vacuum pressure measuring apparatus or method by the description of the following embodiments of the present invention using the accompanying drawings. The same reference numerals are used for the elements or parts of.

제1도는 본 발명의 고정·가동접점이 개(開)일때의 진공차단기의 종단면도.1 is a longitudinal sectional view of a vacuum circuit breaker when the fixed and movable contact of the present invention is open.

제2a도는 본 발명의 2개의 고정·가동접점이 개(開)일때의 제1도의 진공차다기의 등가회로도.FIG. 2A is an equivalent circuit diagram of the vacuum cooler of FIG. 1 when two fixed and movable contacts of the present invention are open. FIG.

제2b도는 본 발명의 2개의 고정·가동접점이 폐(閉)일때의 제1도의 진공차단기의 등가회로도.FIG. 2B is an equivalent circuit diagram of the vacuum circuit breaker of FIG. 1 when two fixed and movable contact points of the present invention are closed. FIG.

제6도는 본 발명의 진공차단기용 진공모니터의 푸럭크도면.Figure 6 is a fugque diagram of a vacuum monitor for a vacuum circuit breaker of the present invention.

Claims (13)

(a) 진공차단기내의 진공압이 상승하였을 때 일어나는 방전에 의해 발생하고 교변 전압에 중첩되는 파르스성 전자파 신호를 수신하기 위하여 고압도체의 근방에 배설되고 또한 상기 도체와 유도적 또는 용량적으로 결합되는 검출단자 수단과, (b) 그해 검출단자 수단에 접속되어 그 검출단자 수단에 의해 검출된 파르스성의 전자파신호를 전기적으로 처리하고 상기 처리된 파르스성의 전자파신호의 전압레벨이 일정의 기준치를 초월하였을 때에 진공차단기내의 진공압의 이상을 지시하는 경고신호를 출력하는 검출수단을 포함하는 것을 특징으로 하는 차단기에 접속된 고압도체를 비치한 진공차단기용 진공모니터.(a) excreted in the vicinity of the high voltage conductor and inductively or capacitively coupled to the conductor in order to receive a parsing electromagnetic wave signal generated by the discharge occurring when the vacuum pressure in the vacuum circuit breaker rises and overlapping with the bridge voltage. (B) electrically connected to the detection terminal means and (b) the detection terminal means, thereby electrically processing a parsing electromagnetic wave signal detected by the detection terminal means, wherein the voltage level of the processed parsing electromagnetic wave signal exceeds a predetermined reference value. And a detecting means for outputting a warning signal indicative of an abnormality in the vacuum pressure in the vacuum circuit breaker when the vacuum circuit breaker has a high voltage conductor connected to the circuit breaker. 그 검출단자가 콘덴사 결합형인 것을 특징으로 하는 제1항의 진공차단기용 진공모니터.The vacuum monitor for a vacuum circuit breaker according to claim 1, wherein the detection terminal is a condensate coupling type. 그 검출단자가 변류기 결합형인 것을 특징으로 하는 제1항의 진공차단기용 진공모니터.The vacuum monitor for a vacuum circuit breaker according to claim 1, wherein the detection terminal is a current transformer coupled type. 그 검출단자가 계기용 변압기인 것을 특징으로 하는 제1항의 진공차단기의 진공모니터.The vacuum monitor of the vacuum circuit breaker according to claim 1, wherein the detection terminal is an instrument transformer. 그 검출단자가 진공차단기에 접지된 금속용기에 취부되어서 고전압도체와 유도적으로 또는 용량적으로 결합되여 있는 것을 특징으로 하는 제1항의 진공차단기의 진공모니터.The vacuum monitor of the vacuum circuit breaker of claim 1, wherein the detection terminal is mounted on a metal container grounded to the vacuum circuit breaker and is inductively or capacitively coupled to the high voltage conductor. 그 검출단자 수단이 콘덴사 결합형이고, (a) 고전압도체에 접속되는 제1전극과, (b) 정전용량을 발생하게 하는 제1전극 부근에 배설된 제2전극과, (c) 그 제2전극에 접속된 진공차단기가 수납되는 접지된 금속용기에 초자를 개입시켜 도출(導出)되는 검출도체에서 되고 진공모니터의 그 검출수단에 접속된 검출케블을 그 검출도체에 접속시키여 진공불량을 지시하는 파르스성의 전자판신호를 검출하는 것을 특징으로 하는 제5항의 진공차단기의 진공모니터.The detecting terminal means is a condensate-coupled type, (a) a first electrode connected to a high voltage conductor, (b) a second electrode disposed near the first electrode to generate capacitance, and (c) the first electrode. A vacuum cable connected to the detection means of a vacuum conductor connected to the detection means of a vacuum conductor connected to the detection means of a vacuum conductor connected to the detection means of the vacuum monitor is connected to the detection conductor. A vacuum monitor of the vacuum circuit breaker according to claim 5, characterized by detecting a parsing electronic plate signal. 그 검출단자 콘덴사 결합형이고, (a) 진공차단기의 조작레바에 접속되어 그의 일단이 접지된 금속용기에 취부된 절연조작롯트내에 매설되어서 제1전극으로써 사용되는 조작도체와, (b) 절연조작롯트의 외표면으로 또한 그 조작도체의 근방에 형성되어서 제2전극으로써의 사용되는 반원형링과, (c) 그 제2전극에 접속되여 진공차단기가 수납되는 접지된 급속용기에서 도출되는 콘덴사케블에서 되고 진공모니터의 그 검출수단에 접속된 검출케블을 그 콘덴사 케블에 접촉시켜서 진공압불량을 지시하는 파르스성의 전자파신호를 검출하는 것을 특징으로 하는 제5항의 그 진공차단기용 진공모니터.The detection terminal is a condensate coupling type, (a) an operation conductor connected to an operation lever of a vacuum circuit breaker and embedded in an insulation operation lot mounted at a metal container of which one end is grounded, and used as a first electrode, and (b) insulation. A semicircular ring formed on the outer surface of the operation lot and in the vicinity of the operation conductor to be used as a second electrode, and (c) a condensate derived from a grounded rapid container connected to the second electrode to receive a vacuum circuit breaker. The vacuum monitor for vacuum circuit breaker according to claim 5, wherein the detection cable connected to the detection means of the vacuum monitor is contacted with the condenser cable to detect a parsing electromagnetic wave signal indicating a vacuum failure. 그 검출수단이, (a) 그 검출단자수단에 접속되어 2KHz 이상의 주파수 성분을 가진 신호만을 통과시키는 밴드·파스·후일더 수단과, (b) 그 밴드·파스·후일더 수단에 접속되어 후일더된 전자파신호의 전압레벨을 일정의 기준전압레벨과 비교하고 후일더된 전자파신호의 전압레벨이 기준레벨을 초과하였을때에는 신호를 출력하는 제1비교기 수단과, (c) 그 제1비교기 수단에 접속되어, 기준레벨을 초월한 전자파신호의 수를 카운타하는 카운타 수단과, (d) 그 카운타수단에 접속되어 그 카운타 수단에 의해 카운타된 수를 일정의 기준과 비교하고 카운타된 수가 기준치를 초과하였을 때에는 신호를 출력하여 진공차단기내의 진공압이 이상이 있는 것을 지시하는 제2비교기 수단에서 되는 것을 특징으로 하는 제1항의 진공차단기용 모니터.The detection means is connected to (a) the detection terminal means to pass only a signal having a frequency component of 2 KHz or more, and the band-pass weatherer means, and (b) the band-pass weatherer means connected to the weatherer. A first comparator means for comparing the voltage level of the electromagnetic wave signal with a predetermined reference voltage level and outputting a signal when the voltage level of the later electromagnetic wave signal exceeds the reference level; and (c) connecting to the first comparator means. A counter means for counting the number of electromagnetic signals exceeding a reference level; and (d) a number of counters connected to the counter means, the number counted by the counter means compared to a predetermined standard, and the signal is exceeded when the counted number exceeds the reference value. And a second comparator means for indicating that there is an abnormality in the vacuum pressure in the vacuum circuit breaker. 그 검출단자 수단에 접속되어 파르스성의 전자파 신호의 전압레벨을 판별하고 그의 신호전압 레벨이 소정의 기준전압레벨을 초과하였을 때에 그 신호레벨을 감소시키는 신호레벨판별수단을 다시 포함하고 외부잡음신호의 영항을 받지 아니하고 진공압불량을 표시하는 파르스성의 전자파신호를 대략 일정의 신호레벨로 신뢰성이 좋게 검출되는 것을 특징으로 하는 제1항의 진공차단기용 진공모니터.And a signal level discriminating means connected to the detecting terminal means to determine the voltage level of the parsing electromagnetic wave signal and to reduce the signal level when its signal voltage level exceeds a predetermined reference voltage level. A vacuum monitor for a vacuum circuit breaker according to claim 1, characterized in that a parsing electromagnetic wave signal which shows a vacuum pressure failure without being affected is detected reliably at an approximately constant signal level. 그 신호레벨판별수단이, (a) 그 검출단자수단에 접속되어 그 검출단자수단에 의해 검출된 파르스성의 전자파신호의 전압레벨을 일정의 기준전압레벨과 비교하고 검출된 파르스성 전자파신호의 전압레벨이 상기 일정의 기준전압레벨을 초과하였을 때에는 전압레벨 감소신호를 출력하는 제3비교기 수단과, (b) 전압레벨을 감소시키는 분압기와, (c) 그 제3비교기와 해검출단자수단에 접속되어 그 제3비교기수단에서의 전압감소신호에 응답하여 그 검출단자수단에 의해 검출된 파르스성 전자파신호를 그 전압분압기를 개입하여 검출수단에 인가하고 전압감소 신호없이 응답하여 그 검출단자 수단에 의해 검출된 파르스성의 전일파 신호를 직접 그 검출수단에 인가하는 스윗치 수단과를 포함한 것을 특징으로 하는 제9항의 진공차단기용진공모니터.The signal level discriminating means (a) is connected to the detecting terminal means and compares the voltage level of the parsing electromagnetic wave signal detected by the detecting terminal means with a predetermined reference voltage level and detects the voltage of the parsing electromagnetic wave signal. A third comparator means for outputting a voltage level reduction signal when the level exceeds the predetermined reference voltage level, (b) a voltage divider for reducing the voltage level, (c) the third comparator and the detection terminal means; And the parsing electromagnetic wave signal detected by the detecting terminal means in response to the voltage reducing signal in the third comparator means is applied to the detecting means through the voltage divider, and in response thereto without the voltage reducing signal by the detecting terminal means. 12. The vacuum monitor for a vacuum circuit breaker according to claim 9, comprising switch means for directly applying the detected parsing whole wave signal to the detecting means. 그 검출수단에 선택적으로 접속되어 진공압불량을 표시한 파르스성 전자파신호의 주파수 성분에 대응하는 주파수의 진단신호를 출력하고, 그 검출수단이 정상으로 동작하고 있는가를 점검하는 진단수단을 다시 포함, 진공차단기의 진공불량을 점검하는 전후에 있어서 진공모니터의 기능을 진단하게 되는 것을 특징으로 하는 제1항의 진공차단기용 진공모니터.A diagnostic means for selectively connecting to the detecting means and outputting a diagnostic signal of a frequency corresponding to the frequency component of the parsing electromagnetic wave signal indicative of the vacuum failure, and again including diagnostic means for checking whether the detecting means is operating normally. The vacuum monitor for a vacuum circuit breaker according to claim 1, wherein the function of the vacuum monitor is diagnosed before and after checking the vacuum failure of the circuit breaker. 그 진단신호의 주파수가 2KHz 이하이고 2KHz 이하의 주파수의 진단신호에 응답하고 그 검출수단이 경고신호를 출력하지 않을때에 그 검출수단이 정상이라고 결정되는 것을 특징으로 하는 제11항의 진공차단기용 진공모니터.The vacuum for the vacuum breaker according to claim 11, wherein the detection means is determined to be normal when the frequency of the diagnostic signal is 2 KHz or less and in response to a diagnostic signal having a frequency of 2 KHz or less and the detection means does not output a warning signal. monitor. 그 진단신호가 2KHz 이상이고 2KHz 이상의 주파수의 진단신호에 응답하여 그 검출수단이 경고신호를 출력할때에 그 검출수단이 정상이라고 결정되는 것을 특징으로 하는 제11항의 진공차단기용 진공모니터.12. The vacuum monitor for a vacuum circuit breaker according to claim 11, wherein the detection means is determined to be normal when the detection means outputs a warning signal in response to the diagnosis signal of 2 KHz or more and a frequency of 2 KHz or more. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019830002967A 1982-07-05 1983-06-30 Vacuum monitor for vacuum interrupter KR920008836B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57116505A JPS598225A (en) 1982-07-05 1982-07-05 Vacuum degree monitor for vacuum breaker
JP116505 1982-07-05

Publications (2)

Publication Number Publication Date
KR840005555A true KR840005555A (en) 1984-11-14
KR920008836B1 KR920008836B1 (en) 1992-10-09

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Application Number Title Priority Date Filing Date
KR1019830002967A KR920008836B1 (en) 1982-07-05 1983-06-30 Vacuum monitor for vacuum interrupter

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JP (1) JPS598225A (en)
KR (1) KR920008836B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200129834A (en) 2019-05-10 2020-11-18 한국전기연구원 Vacuum degree monitoring sensor and system for predicting a life of a vacuum interrupter

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Publication number Priority date Publication date Assignee Title
JPH0736308B2 (en) * 1984-09-27 1995-04-19 株式会社東芝 Vacuum switch
JP2002184275A (en) 2000-12-12 2002-06-28 Meidensha Corp Degree of vacuum monitoring method and device for vacuum circuit-breaker
US7499255B2 (en) * 2006-01-31 2009-03-03 Thomas & Betts International, Inc. Vacuum-type electrical switching apparatus
KR101723198B1 (en) * 2017-01-20 2017-04-05 세아전설(주) Insulation breakdown test equipment using paschens law and method thereof

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JPS5246478A (en) * 1975-10-13 1977-04-13 Tokyo Shibaura Electric Co Device for detecting improper vacuum of vacuum switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200129834A (en) 2019-05-10 2020-11-18 한국전기연구원 Vacuum degree monitoring sensor and system for predicting a life of a vacuum interrupter

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KR920008836B1 (en) 1992-10-09
JPS598225A (en) 1984-01-17

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