SE9804115D0 - Presence for presence detection - Google Patents

Presence for presence detection

Info

Publication number
SE9804115D0
SE9804115D0 SE9804115A SE9804115A SE9804115D0 SE 9804115 D0 SE9804115 D0 SE 9804115D0 SE 9804115 A SE9804115 A SE 9804115A SE 9804115 A SE9804115 A SE 9804115A SE 9804115 D0 SE9804115 D0 SE 9804115D0
Authority
SE
Sweden
Prior art keywords
detection
room
water vapour
vapour concentration
subtracted
Prior art date
Application number
SE9804115A
Other languages
Swedish (sv)
Other versions
SE9804115L (en
Inventor
Sten Loefving
Original Assignee
Jonsson & Loefving Hb
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 Jonsson & Loefving Hb filed Critical Jonsson & Loefving Hb
Priority to SE9804115A priority Critical patent/SE9804115L/en
Publication of SE9804115D0 publication Critical patent/SE9804115D0/en
Publication of SE9804115L publication Critical patent/SE9804115L/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/88—Electrical aspects, e.g. circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0015—
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D22/00—Control of humidity
    • G05D22/02—Control of humidity characterised by the use of electric means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Food Science & Technology (AREA)
  • Automation & Control Theory (AREA)
  • Medicinal Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)

Abstract

The water vapour concentration in the air outside the house is subtracted from the water vapour concentration in the air inside the room, and the difference is used as a measure of how many people are in the room, and ventilation is controlled accordingly.
SE9804115A 1998-11-30 1998-11-30 Presence detection sensor SE9804115L (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9804115A SE9804115L (en) 1998-11-30 1998-11-30 Presence detection sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9804115A SE9804115L (en) 1998-11-30 1998-11-30 Presence detection sensor

Publications (2)

Publication Number Publication Date
SE9804115D0 true SE9804115D0 (en) 1998-11-30
SE9804115L SE9804115L (en) 2000-05-31

Family

ID=20413473

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9804115A SE9804115L (en) 1998-11-30 1998-11-30 Presence detection sensor

Country Status (1)

Country Link
SE (1) SE9804115L (en)

Also Published As

Publication number Publication date
SE9804115L (en) 2000-05-31

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Legal Events

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