DE19781749B4 - System zur Überwachung der Funktionsfähigkeit eines Filters - Google Patents
System zur Überwachung der Funktionsfähigkeit eines Filters Download PDFInfo
- Publication number
- DE19781749B4 DE19781749B4 DE19781749A DE19781749A DE19781749B4 DE 19781749 B4 DE19781749 B4 DE 19781749B4 DE 19781749 A DE19781749 A DE 19781749A DE 19781749 A DE19781749 A DE 19781749A DE 19781749 B4 DE19781749 B4 DE 19781749B4
- Authority
- DE
- Germany
- Prior art keywords
- filter
- detector
- air
- smoke
- dust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000012544 monitoring process Methods 0.000 title claims description 16
- 239000000428 dust Substances 0.000 claims abstract description 75
- 239000000779 smoke Substances 0.000 claims abstract description 61
- 239000002245 particle Substances 0.000 claims abstract description 58
- 238000000034 method Methods 0.000 claims abstract description 19
- 230000001186 cumulative effect Effects 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims abstract 12
- 238000001514 detection method Methods 0.000 claims description 21
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000000149 argon plasma sintering Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920004449 Halon® Polymers 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
- G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
Landscapes
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPN9689A AUPN968996A0 (en) | 1996-05-06 | 1996-05-06 | Filter integrity monitoring system |
| AUPN9689 | 1996-05-06 | ||
| PCT/AU1997/000270 WO1997042487A1 (en) | 1996-05-06 | 1997-05-06 | Filter integrity monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE19781749B4 true DE19781749B4 (de) | 2008-10-16 |
Family
ID=3794002
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19781749A Expired - Lifetime DE19781749B4 (de) | 1996-05-06 | 1997-05-06 | System zur Überwachung der Funktionsfähigkeit eines Filters |
| DE19781749T Pending DE19781749T1 (de) | 1996-05-06 | 1997-05-06 | System zur Überwachung der Funktionsfähigkeit eines Filters |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19781749T Pending DE19781749T1 (de) | 1996-05-06 | 1997-05-06 | System zur Überwachung der Funktionsfähigkeit eines Filters |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6052058A (enExample) |
| JP (1) | JP4338220B2 (enExample) |
| AU (1) | AUPN968996A0 (enExample) |
| DE (2) | DE19781749B4 (enExample) |
| GB (1) | GB2326475B (enExample) |
| TW (1) | TW364982B (enExample) |
| WO (1) | WO1997042487A1 (enExample) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19951962A1 (de) * | 1999-10-28 | 2001-05-03 | Festo Ag & Co | Filtergerät zum Filtern von Druckluft |
| US7012685B1 (en) | 2001-08-06 | 2006-03-14 | Wilson David J | Clogged filter detector |
| AU2004258231B2 (en) * | 2003-07-18 | 2010-09-02 | Garrett Thermal Systems Limited | Method and system for a filter |
| AU2003903703A0 (en) * | 2003-07-18 | 2003-07-31 | Garrett Thermal Systems Limited | Method and system for a filter |
| NO323123B1 (no) * | 2003-12-22 | 2007-01-08 | Elotec As | Partikkel- og fuktighetsfilter |
| TW200822847A (en) * | 2006-11-09 | 2008-05-16 | Benq Corp | Electronic device capable of detecting the timing for replacing a filter |
| EP2309468A1 (de) * | 2009-10-09 | 2011-04-13 | Amrona AG | Verfahren, Vorrichtung und Computerprogrammprodukt zur Projektierung eines Branderkennungssystems mit Absaugvorrichtung |
| TW201122378A (en) * | 2009-12-17 | 2011-07-01 | Atomic Energy Council | Air filter system capable of increasing inspecting convenience |
| US20120037005A1 (en) * | 2010-08-13 | 2012-02-16 | General Electric Company | Filter integrity monitoring system |
| ES2416529T3 (es) * | 2010-11-29 | 2013-08-01 | Minimax Gmbh & Co Kg | Método y dispositivo para la detección de incendios en volúmenes |
| US8624745B2 (en) * | 2011-03-16 | 2014-01-07 | Honeywell International Inc. | High sensitivity and high false alarm immunity optical smoke detector |
| AU2012272552A1 (en) * | 2011-06-22 | 2013-12-12 | Garrett Thermal Systems Limited | Particle detector with dust rejection |
| US8939013B2 (en) | 2012-03-16 | 2015-01-27 | Tyco Fire & Security Gmbh | Duct detector with improved functional test capability |
| JP5911361B2 (ja) * | 2012-04-18 | 2016-04-27 | アズビル株式会社 | メンテナンス時予測システム及びメンテナンス時予測方法 |
| US8744780B2 (en) | 2012-04-27 | 2014-06-03 | Filtersmarts, Inc. | Detector for clogged filters |
| JP5950688B2 (ja) * | 2012-05-16 | 2016-07-13 | アズビル株式会社 | 粒子検出装置のメンテナンス費用算出システム及び粒子検出装置のメンテナンス費用算出方法 |
| JP2014062822A (ja) * | 2012-09-21 | 2014-04-10 | Sony Corp | 微小粒子分析装置及び微小粒子分析方法 |
| DE102014012784A1 (de) * | 2014-08-29 | 2016-03-03 | Sartorius Stedim Biotech Gmbh | Verfahren und Vorrichtung zur Durchführung einer Integritätsprüfung eines Filterelements |
| KR102287511B1 (ko) * | 2014-09-04 | 2021-08-06 | 엘지전자 주식회사 | 공기조화기 및 그 제어방법 |
| EP3018423B1 (en) * | 2014-11-04 | 2019-08-07 | Samsung Electronics Co., Ltd. | Contamination sensor, air purifier having the same and control method thereof |
| KR101962013B1 (ko) * | 2017-06-09 | 2019-03-25 | 재단법인 다차원 스마트 아이티 융합시스템 연구단 | 초미세먼지 측정 장치 및 그 방법 |
| CN108310837A (zh) * | 2018-04-19 | 2018-07-24 | 日益电机股份有限公司 | 可监控的过滤器控制系统 |
| EP3828853B1 (en) * | 2019-11-29 | 2023-10-04 | Carrier Corporation | Aspiration smoke detector system |
| EP3907715B1 (en) * | 2020-05-08 | 2025-11-05 | Carrier Corporation | Detection of a clogged filter in an aspirating detection system |
| EP4602584A1 (en) * | 2022-10-13 | 2025-08-20 | Robert Bosch GmbH | Method and smoke detector arranged to identify when obstructed in an ambient |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5381130A (en) * | 1991-09-06 | 1995-01-10 | Cerberus Ag | Optical smoke detector with active self-monitoring |
| EP0638885A1 (en) * | 1993-08-04 | 1995-02-15 | Nohmi Bosai Ltd. | Fire detecting apparatus |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4373804A (en) * | 1979-04-30 | 1983-02-15 | Diffracto Ltd. | Method and apparatus for electro-optically determining the dimension, location and attitude of objects |
| DE3277983D1 (en) * | 1981-03-02 | 1988-02-18 | Ici Plc | Method of and apparatus for monitoring gaseous pollutants |
| US4389903A (en) * | 1981-05-04 | 1983-06-28 | Mine Safety Appliances Company | Indicating system for atmospheric pump arrangement |
| US4507556A (en) * | 1982-12-08 | 1985-03-26 | St. Regis Paper Company | Apparatus and method for determining pulp stock consistency |
| US4862047A (en) * | 1986-05-21 | 1989-08-29 | Kabushiki Kaisha Komatsu Seisakusho | Apparatus for guiding movement of an unmanned moving body |
| US5001463A (en) * | 1989-02-21 | 1991-03-19 | Hamburger Robert N | Method and apparatus for detecting airborne allergen particulates |
| US5053754A (en) * | 1990-04-02 | 1991-10-01 | Gaztech Corporation | Simple fire detector |
| US5198369A (en) * | 1990-04-25 | 1993-03-30 | Canon Kabushiki Kaisha | Sample measuring method using agglomeration reaction of microcarriers |
| JP3132092B2 (ja) * | 1990-11-16 | 2001-02-05 | 株式会社デンソー | ダストフイルタの目詰り検知装置 |
| DE4041635A1 (de) * | 1990-12-22 | 1992-06-25 | Zander Klimatechnik Gmbh | Vorrichtung zum bereichsweisen automatischen abtasten von filterdecken in reinraeumen |
| GB9212060D0 (en) * | 1992-06-04 | 1992-07-22 | Appleby David | Obscuration sensor |
| US5606311A (en) * | 1995-08-30 | 1997-02-25 | General Motors Corporation | Air filter diagnostic |
| US5831537A (en) * | 1997-10-27 | 1998-11-03 | Slc Technologies, Inc. | Electrical current saving combined smoke and fire detector |
-
1996
- 1996-05-06 AU AUPN9689A patent/AUPN968996A0/en not_active Abandoned
-
1997
- 1997-05-01 TW TW086105790A patent/TW364982B/zh not_active IP Right Cessation
- 1997-05-06 US US09/171,896 patent/US6052058A/en not_active Expired - Lifetime
- 1997-05-06 WO PCT/AU1997/000270 patent/WO1997042487A1/en not_active Ceased
- 1997-05-06 GB GB9822922A patent/GB2326475B/en not_active Expired - Lifetime
- 1997-05-06 JP JP53934697A patent/JP4338220B2/ja not_active Expired - Lifetime
- 1997-05-06 DE DE19781749A patent/DE19781749B4/de not_active Expired - Lifetime
- 1997-05-06 DE DE19781749T patent/DE19781749T1/de active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5381130A (en) * | 1991-09-06 | 1995-01-10 | Cerberus Ag | Optical smoke detector with active self-monitoring |
| EP0638885A1 (en) * | 1993-08-04 | 1995-02-15 | Nohmi Bosai Ltd. | Fire detecting apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2326475B (en) | 2000-03-08 |
| US6052058A (en) | 2000-04-18 |
| DE19781749T1 (de) | 2001-04-12 |
| JP2001519893A (ja) | 2001-10-23 |
| GB2326475A (en) | 1998-12-23 |
| GB2326475A8 (en) | 1999-08-04 |
| GB9822922D0 (en) | 1998-12-16 |
| TW364982B (en) | 1999-07-21 |
| AUPN968996A0 (en) | 1996-05-30 |
| JP4338220B2 (ja) | 2009-10-07 |
| WO1997042487A1 (en) | 1997-11-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant |
Owner name: VFS TECHNOLOGIES LTD., NASSAU, BS |
|
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: XTRALIS TECHNOLOGIES LTD, NASSAU, BS |
|
| R081 | Change of applicant/patentee |
Owner name: XTRALIS TECHNOLOGIES LTD, BS Free format text: FORMER OWNER: VFS TECHNOLOGIES LTD., NASSAU, BS Effective date: 20110321 Owner name: GARRETT THERMAL SYSTEMS LTD., BRACKNELL, GB Free format text: FORMER OWNER: VFS TECHNOLOGIES LTD., NASSAU, BS Effective date: 20110321 |
|
| R071 | Expiry of right | ||
| R081 | Change of applicant/patentee |
Owner name: GARRETT THERMAL SYSTEMS LTD., BRACKNELL, GB Free format text: FORMER OWNER: XTRALIS TECHNOLOGIES LTD, NASSAU, BS |
|
| R082 | Change of representative |