KR100796328B1 - 순간 상승압력 경보 압력계 - Google Patents
순간 상승압력 경보 압력계 Download PDFInfo
- Publication number
- KR100796328B1 KR100796328B1 KR1020060072304A KR20060072304A KR100796328B1 KR 100796328 B1 KR100796328 B1 KR 100796328B1 KR 1020060072304 A KR1020060072304 A KR 1020060072304A KR 20060072304 A KR20060072304 A KR 20060072304A KR 100796328 B1 KR100796328 B1 KR 100796328B1
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- South Korea
- Prior art keywords
- pressure
- temperature
- unit
- display unit
- lookup table
- Prior art date
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/18—Switches operated by change of liquid level or of liquid density, e.g. float switch
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/04—Means for compensating for effects of changes of temperature, i.e. other than electric compensation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/02—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
- G01L9/025—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning with temperature compensating means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
Claims (6)
- 삭제
- 전면에 표시부(155)를 구비한 케이스(110)와; 상기 케이스(110)의 하방으로 돌출되어 선로에 결합되는 연결구(12)와, 상기 케이스(110)의 일측에서 돌출형성된 외부장치연결부(120)를 포함하는 순간 상승압력 경보 압력계(100)에 있어서,상기 연결구(12)내부에 장착되어 선로내에 충진된 절연가스의 온도를 센싱하여 출력하는 온도센싱부(151)와;온도,압력,밀도의 관계에 대한 값들을 저장하고 있는 룩업테이블 저장부(156)와;상기 온도센싱부(151)로부터의 온도값에 대응되는 압력값을 상기 룩업테이블 저장부(156)로부터 읽어들여 상기 표시부(155)에 표시하며, 장치전반을 제어하는 제어부(152)와;상기 제어부(152)의 제어하에 측정된 압력값이 4.5 내지 5.5kgf/cm2의 범위를 초과하거나 그 이하인 경우 경보음을 출력시키기 위하여 경보음 발생신호를 발생시키는 경보음신호발생부(153-1)와;상기 제어부(152)의 제어하에 측정된 압력값이 4.0kgf/cm2에 도달한 경우 선로내에 절연가스를 추가로 주입하기 위하여 펌프구동신호를 발생하는 펌프구동신호 발생부(153-2)를 포함하여 이루어지고, 상기 표시부(155)는 현재상태의 압력값을 표시하는 표시부(155a)와 이전값들중 최고치의 압력만을 계속적으로 표시하는 최고치표시부(155b)를 더 포함하여 이루어지고, 상기 표시부(153-1) 및 최고치표시부(153-2)에 표시되는 룩업테이블(156)의 데이터는 온도 20℃ 및 정격압력 5.0 혹은 5.5kgf/cm2인 경우를 기준으로 작성된 것을 특징으로 하며, 상기 제어부(152)의 독취된 데이터를 표시함과 동시에 전송할 수 있도록 하는 통신 인터페이스 모듈(159)을 더 구비하여 이루어진 것을 특징으로 하는 순간 상승압력 경보 압력계.
- 삭제
- 삭제
- 삭제
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060072304A KR100796328B1 (ko) | 2006-07-31 | 2006-07-31 | 순간 상승압력 경보 압력계 |
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KR1020060072304A KR100796328B1 (ko) | 2006-07-31 | 2006-07-31 | 순간 상승압력 경보 압력계 |
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Publication Number | Publication Date |
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KR100796328B1 true KR100796328B1 (ko) | 2008-01-24 |
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KR1020060072304A KR100796328B1 (ko) | 2006-07-31 | 2006-07-31 | 순간 상승압력 경보 압력계 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103344739A (zh) * | 2013-06-21 | 2013-10-09 | 河南开启电力实业有限公司 | 六氟化硫气体在线检测系统 |
KR20200001352A (ko) * | 2018-06-27 | 2020-01-06 | 한국전력공사 | 가스절연개폐기 감시장치 |
CN111397791A (zh) * | 2019-01-03 | 2020-07-10 | 华润微电子(重庆)有限公司 | 一种压力检测与显示报警芯片及系统 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990064378A (ko) * | 1998-07-31 | 1999-08-05 | 소수일 | 가스절연개폐시스템의 감시장치 |
JP2003194648A (ja) * | 2001-12-28 | 2003-07-09 | Tadahiro Omi | 圧力センサ、圧力制御装置及び圧力式流量制御装置の温度ドリフト補正装置 |
-
2006
- 2006-07-31 KR KR1020060072304A patent/KR100796328B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990064378A (ko) * | 1998-07-31 | 1999-08-05 | 소수일 | 가스절연개폐시스템의 감시장치 |
JP2003194648A (ja) * | 2001-12-28 | 2003-07-09 | Tadahiro Omi | 圧力センサ、圧力制御装置及び圧力式流量制御装置の温度ドリフト補正装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103344739A (zh) * | 2013-06-21 | 2013-10-09 | 河南开启电力实业有限公司 | 六氟化硫气体在线检测系统 |
KR20200001352A (ko) * | 2018-06-27 | 2020-01-06 | 한국전력공사 | 가스절연개폐기 감시장치 |
KR102079865B1 (ko) * | 2018-06-27 | 2020-02-19 | 한국전력공사 | 가스절연개폐기 감시장치 |
CN111397791A (zh) * | 2019-01-03 | 2020-07-10 | 华润微电子(重庆)有限公司 | 一种压力检测与显示报警芯片及系统 |
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