KR100371772B1 - 가스 센싱 장치 - Google Patents
가스 센싱 장치 Download PDFInfo
- Publication number
- KR100371772B1 KR100371772B1 KR10-2000-0027894A KR20000027894A KR100371772B1 KR 100371772 B1 KR100371772 B1 KR 100371772B1 KR 20000027894 A KR20000027894 A KR 20000027894A KR 100371772 B1 KR100371772 B1 KR 100371772B1
- Authority
- KR
- South Korea
- Prior art keywords
- voltage
- gas
- sensor
- change
- resistance
- Prior art date
Links
- 230000008859 change Effects 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 48
- 238000010586 diagram Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000007257 malfunction Effects 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000007084 catalytic combustion reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 235000013847 iso-butane Nutrition 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
Description
Claims (2)
- 가스의 누출 시 센서 저항의 저항치가 변하여 전압이 변하는 것을 인식하여 가스 누출을 센싱 하는 장치에 있어서, 가스센서를 이루는 저항을 포함하는 브리지 평형회로의 기준점을 통한 인식전압과 변화 전압의 차이가 설정치 이상일 때를 인식하는 제어부와; 제어부가 가스 센서를 포함하는 브리지 평형부의 기준전압을 인식할 때 전압 인식 폭을 좁게 세밀화 하도록 상한과 하한의 전압을 각 연결노드에서 선택 분배하도록 수개의 직렬저항 구성을 이룬 전압 분배부를 포함하여 구성되고; 센서 저항을 통한 변화전압 및 기준전압의 차를 제어부에서 인식하고, 상기 전압 분배부를 통한 설정 전압폭으로 세분화 시켜 가스누출을 정확히 센싱토록 함을 특징으로 하는 가스 센싱 장치.
- 제 1 항에 있어서, 상기 제어부는 일반 센서를 통한 입력과 가스센서 저항을 통한 변화 입력전압(Vin)및 기준 전압(Vreference)을 순차 선택토록 하는 아날로그 스위치와, 인식한 일반센서를 통한 입력의 주기와 변화전압의 입력 주기를 구분하여 변화 전압의 입력 시 전압단위를 좁게 선택토록 조정하는 기준전압 조정기와, 아날로그 스위치출력을 기초로 아날로그신호를 디지털 값으로 변화시키는 아날로그 디지털 변환기와, 아날로그 디지털 변환기의 출력을 계산하여 이상 시로 판단되면 가스 밸브를 차단시키는 별도의 동력 제공수단을 구동시키도록 출력 신호를 제공하는 중앙처리장치인 계산부를 포함하여 구성한 것을 특징으로 하는 가스 센싱 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0027894A KR100371772B1 (ko) | 2000-05-23 | 2000-05-23 | 가스 센싱 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0027894A KR100371772B1 (ko) | 2000-05-23 | 2000-05-23 | 가스 센싱 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000058439A KR20000058439A (ko) | 2000-10-05 |
KR100371772B1 true KR100371772B1 (ko) | 2003-02-11 |
Family
ID=19669930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0027894A KR100371772B1 (ko) | 2000-05-23 | 2000-05-23 | 가스 센싱 장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100371772B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103105429A (zh) * | 2012-12-20 | 2013-05-15 | 江苏三恒科技股份有限公司 | 一氧化碳传感器自动调零的方法、装置及系统 |
-
2000
- 2000-05-23 KR KR10-2000-0027894A patent/KR100371772B1/ko not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103105429A (zh) * | 2012-12-20 | 2013-05-15 | 江苏三恒科技股份有限公司 | 一氧化碳传感器自动调零的方法、装置及系统 |
CN103105429B (zh) * | 2012-12-20 | 2015-09-09 | 江苏三恒科技股份有限公司 | 一氧化碳传感器自动调零的方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20000058439A (ko) | 2000-10-05 |
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