EP0884705A3 - Protection device against moisture for motion detector - Google Patents

Protection device against moisture for motion detector Download PDF

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Publication number
EP0884705A3
EP0884705A3 EP98106944A EP98106944A EP0884705A3 EP 0884705 A3 EP0884705 A3 EP 0884705A3 EP 98106944 A EP98106944 A EP 98106944A EP 98106944 A EP98106944 A EP 98106944A EP 0884705 A3 EP0884705 A3 EP 0884705A3
Authority
EP
European Patent Office
Prior art keywords
protection device
motion detector
device against
against moisture
water drain
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.)
Withdrawn
Application number
EP98106944A
Other languages
German (de)
French (fr)
Other versions
EP0884705A2 (en
Inventor
Jochen Dr.-Ing. Koepernik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Patent GmbH
Original Assignee
ABB Patent GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ABB Patent GmbH filed Critical ABB Patent GmbH
Publication of EP0884705A2 publication Critical patent/EP0884705A2/en
Publication of EP0884705A3 publication Critical patent/EP0884705A3/en
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Filtering Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)

Abstract

Die Erfindung bezieht sich auf Bewegungsmelder mit einem Kunststoffgehäuse (1), die eine Wasserablauföffnung (5) im Gehäuseboden (4) aufweisen. Zur Verbesserung des Feuchtigkeitsschutzes wird vorgeschlagen, die Wasserablauföffnung (5) mit einer porösen Festkörperfilterscheibe (6) zu verschließen, die hydrophile Eigenschaften hat.

Figure 00000001
The invention relates to motion detectors with a plastic housing (1), which have a water drain opening (5) in the housing base (4). To improve moisture protection, it is proposed to close the water drain opening (5) with a porous solid filter disc (6) which has hydrophilic properties.
Figure 00000001
EP98106944A 1997-06-13 1998-04-16 Protection device against moisture for motion detector Withdrawn EP0884705A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19725080 1997-06-13
DE1997125080 DE19725080A1 (en) 1997-06-13 1997-06-13 Moisture protection device for motion detectors

Publications (2)

Publication Number Publication Date
EP0884705A2 EP0884705A2 (en) 1998-12-16
EP0884705A3 true EP0884705A3 (en) 2000-03-15

Family

ID=7832427

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98106944A Withdrawn EP0884705A3 (en) 1997-06-13 1998-04-16 Protection device against moisture for motion detector

Country Status (2)

Country Link
EP (1) EP0884705A3 (en)
DE (1) DE19725080A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19952111C2 (en) * 1999-10-29 2001-11-15 Audi Ag Distribution box
DE10241507A1 (en) * 2002-09-07 2004-03-18 Zf Friedrichshafen Ag Device for protecting electrical components in motor vehicle from contact with liquid, has housing provided with openings for entrance of liquid on one side leading from components and appliances
DE10336429B4 (en) * 2003-08-08 2011-12-22 Abb Ag Splash-proof, electrical surface-mounted installation device
DE102015108546B4 (en) 2015-05-29 2021-12-09 Volkswagen Ag Device for discharging a liquid which has penetrated an electrical device, electrical device and vehicle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0745842A1 (en) * 1995-06-02 1996-12-04 Staefa Control System Scs Ag Humidity sensor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT193615B (en) * 1953-12-17 1957-11-25 Deutsche Edelstahlwerke Ag Metallic sintered body and method for its manufacture
US3066462A (en) * 1959-02-09 1962-12-04 Shell Oil Co Demisting gas with mats
DE4011453A1 (en) * 1990-04-09 1991-10-10 Abb Patent Gmbh Coating for passive IR detector components - comprises hydrophilic material on one or more components in beam path to prevent water droplet formation
DE4208195A1 (en) * 1992-03-14 1993-09-16 Mesroc Gmbh SELF-SUPPORTED, COATED FILTER ELEMENT
GB9214716D0 (en) * 1992-07-10 1992-08-19 Emmark Technology Tracheostomy filter
US5546804A (en) * 1994-08-11 1996-08-20 Rosemount Inc. Transmitter with moisture draining housing and improved method of mounting RFI filters

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0745842A1 (en) * 1995-06-02 1996-12-04 Staefa Control System Scs Ag Humidity sensor

Also Published As

Publication number Publication date
DE19725080A1 (en) 1998-12-17
EP0884705A2 (en) 1998-12-16

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