EP2442041A1 - Mechanische Belüftungsinstallation durch feuchtigkeitsregulierte Belüftung, und zugehöriges Verfahren - Google Patents

Mechanische Belüftungsinstallation durch feuchtigkeitsregulierte Belüftung, und zugehöriges Verfahren Download PDF

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Publication number
EP2442041A1
EP2442041A1 EP11184678A EP11184678A EP2442041A1 EP 2442041 A1 EP2442041 A1 EP 2442041A1 EP 11184678 A EP11184678 A EP 11184678A EP 11184678 A EP11184678 A EP 11184678A EP 2442041 A1 EP2442041 A1 EP 2442041A1
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EP
European Patent Office
Prior art keywords
air
room
insufflation
humidity
temperature
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.)
Granted
Application number
EP11184678A
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English (en)
French (fr)
Other versions
EP2442041B1 (de
Inventor
Claude Bardoul
Michèle Potard
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.)
Ventilairsec SARL
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Ventilairsec SARL
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Filing date
Publication date
Priority claimed from FR1058317A external-priority patent/FR2966226B1/fr
Application filed by Ventilairsec SARL filed Critical Ventilairsec SARL
Publication of EP2442041A1 publication Critical patent/EP2442041A1/de
Application granted granted Critical
Publication of EP2442041B1 publication Critical patent/EP2442041B1/de
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Anticipated expiration legal-status Critical

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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
    • F24F11/0001—Control or safety arrangements for ventilation
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • 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
    • F24F2110/10—Temperature
    • 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
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • 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
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • F24F2110/22—Humidity of the outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/34—Heater, e.g. gas burner, electric air heater

Definitions

  • the present invention relates to the field of ventilation of premises, such as living quarters or offices, and more particularly a mechanical ventilation installation by insufflation.
  • VMC single flow or dual flow.
  • the principle of the VMC is the extraction, continuously or discontinuously, of the stale air of the housing by a centralized ventilation module disposed for example in the attic.
  • a VMC installation includes the suction of the exhausted indoor air from the dwelling by suction mouths located in so-called service rooms (such as a bathroom, kitchen, toilets) then the evacuation of this air towards the outside, this aspiration generating the entry of fresh air into the living rooms (living room) of the housing by a plurality of air intake vents disposed in the upper part of the joinery or in shutter boxes.
  • hygroregulated VMC plants which include moisture-sensitive membranes disposed at one or more suction mouths in one or more rooms of the housing so as to trigger a greater opening. one of the suction mouths in case of increased humidity.
  • the extraction rate of the exhaust air is thus controlled by the degree of humidity of the indoor air, in particular the extraction flow is increased when the indoor humidity level rises above a certain amount. threshold, for example.
  • Ventilation ventilation devices have been proposed, the principle of which is the opposite of that of the VMC.
  • the principle of mechanical ventilation by insufflation is to take the air outside, to filter it, to preheat it and to insufflate it in the house, which places it in slight overpressure.
  • the outside air intake is usually carried out in one place, for example at roof level. Filtration is centralized as well as preheating. Thus, the filtered air and possibly preheated can be blown into the living rooms in one or more places of the house.
  • the air then emerges from the dwelling through a plurality of air outlets arranged, for example, in the upper part of the joinery or in roller shutter boxes (these air outlets may in fact correspond to the intake ports air VMC devices).
  • the mechanical ventilation system by insufflation which does not create a feeling of cold air flow, provides indoor air quality housing, complies with the rules of hygiene, the incoming air being filtered, and evacuate internal pollutants, such as CO 2 , VOCs and also oppose the rise of natural gases such as radon.
  • Current insufflation ventilation systems can be coupled with sensors for measuring the temperature and hygrometry of the interior air of the housing, allowing, when a relative humidity threshold of this indoor air is reached or exceeded, initiating the insufflation or increasing the flow of air blown to expel this moist air through the plurality of air outlets to limit or decrease the indoor humidity of the housing.
  • the insufflation rate is increased which introduces very humid air into the housing and, consequently, further increases the humidity level in said housing .
  • the present invention therefore aims to provide a mechanical ventilation installation by insufflation which takes into account the supply of moisture from the outside air.
  • the ventilation ventilation installation is thus hydroregulated by requiring the presence of only one incoming air temperature sensor and a single relative humidity sensor of the incoming air. It also allows to select the incoming air according to its absolute humidity. For example, the facility selects air captured near the surface of a south-facing roof rather than an exposure to the North, depending on the season (winter-summer) and / or meteorological parameters.
  • the insufflation module comprises a preselected fan speed variator, the control unit acting on said variable speed drive, each preselected speed corresponding to an insufflation rate, among a plurality of preprogrammed insufflation flow rates.
  • This number of preselected speeds may, for example be in the number of ten, without providing a gradient of variation (that is to say without continuous variation) of these speeds hence a very simple operation of this module. insufflation, referring, for example, to the number of preselected speeds.
  • the fan may be disposed upstream or downstream of the preheating means of the incoming air and the second temperature and humidity sensors.
  • the "downstream" arrangement is preferred because it allows the preheating means to be in the "suction zone" of the fan, with a greater homogeneity of the heating of this slice of air passing through the preheating zone.
  • the second temperature and humidity sensors are disposed inside said air intake duct. This provides space saving, and further allows a meaningful measurement of the temperature and humidity of the air to the fan to accurately determine the flow of air to be blown.
  • the means for preheating the incoming air, arranged upstream of the second temperature and humidity sensors, can be placed inside said air intake duct or in the insufflation chamber also allowing a gain of place and a gain in efficiency.
  • These preheating means may alternatively be present in the vicinity and around an outer air supply duct, upstream of said air inlet duct.
  • VMC controlled mechanical ventilation system
  • the insufflation takes place continuously, it is only the insufflation rate that is modulated. In this case, we do not have an all or nothing system. It is thus possible permanently to ventilate the housing sufficiently according to the current recommendations.
  • control unit which controls the insufflation air flow therefore also controls the preheating of the air.
  • the air inlet duct connected to the insufflation chamber may also be connected to a recirculation duct of a portion of the interior air of said room.
  • This "recovery" of a part of the air of the room that will be mechanically sucked to be forced back to the insufflation chamber allows partial recirculation of the air, in particular to benefit from an already heated air and thus save money. calories in winter.
  • Such an arrangement is also advantageous for limiting the introduction into the room of very humid air during periods of high humidity. atmospheric, for a limited time, while maintaining a permanent circulation of ambient air.
  • the present invention also relates to a method of mechanical ventilation by continuous blowing of a room, implementing the installation described above, and characterized in that it comprises the determination of the corresponding nominal blowing air flow rate. at a predefined rate of air renewal of the room, the measurement of the temperature and humidity of the incoming air and the indoor air of the room to be ventilated, the determination and comparison of the absolute humidity of the room. the incoming air and the absolute humidity of the indoor air of the room, then, depending on the result of this comparison, the actuation of one of the preselected speeds of the fan corresponding to an air inlet flow rate of pre-programmed insufflation greater than or equal to the nominal air insufflation rate.
  • This nominal air blowing rate may correspond approximately to the renewal of the entire volume V of air of said room in two hours, or 0.5 V / h.
  • the temperature and humidity measurements are advantageously carried out at regular time intervals (for example every 10 minutes) with an immediate adjustment of the insufflation rate. They can, in addition, be stored over a period (for example a duration of 36 or 48 hours slippery) comprising at least two night periods to check if it is, for example, in the summer season. Indeed, it may be advantageous, in summer during hot weather, to increase the insufflation rate during the night to bring freshness to housing during this period.
  • the ventilation installation 1 is intended to heat a room 22, here a dwelling.
  • the air blowing module disposed, for example in the attic 19 of the dwelling schematically in the figure 1 , comprises at least one external air intake port 10, 11 connected to an air inlet duct 21 connected to an insufflation chamber 2.
  • the insufflation chamber contains a fan 20 and is connected to a blown air duct 3 opening into said room 22 at an insufflation mouth 4.
  • the room is equipped with air outlet vents 24, for example in the form of grids, arranged in the upper part or above the windows 25.
  • air outlet vents 24 for example in the form of grids, arranged in the upper part or above the windows 25.
  • a control box 30 of the insufflation and the first temperature sensors and humidity of the indoor air of the room 22 are arranged in said room.
  • upstream of the fan 20 are placed, preferably in the air inlet duct 21, filtering means 18 (for example a G4 type filter making it possible to retain coarse particles of size greater than or equal to 5 ⁇ m , and / or a type F7 filter retaining at least 90% of particles of size greater than or equal to about 0.5 ⁇ m), preheating means 29 in the form, here, of a heating resistor, and sensors of temperature and humidity 14 of the air entering the insufflation chamber 2.
  • filtering means 18 for example a G4 type filter making it possible to retain coarse particles of size greater than or equal to 5 ⁇ m , and / or a type F7 filter retaining at least 90% of particles of size greater than or equal to about 0.5 ⁇ m
  • preheating means 29 in the form, here, of a heating resistor
  • the fan 20 is placed downstream of the filtration means 18, upstream of the preheating means 29 and the second humidity and temperature sensors 14 of the air entering the insufflation chamber 2.
  • a calculation and control unit 12 can control the speed of the fan to control the flow of air blown.
  • the air inlet duct 21 opens at one of its ends into the insufflation chamber 2. Its other end can be connected directly by a sheath 15 to an air intake port 10, 11.
  • this air intake duct 15 can be connected to two air inlet ducts 27, 28, each of these ducts being connected to an air intake opening 10, 11.
  • These inlet ducts air can be disposed on opposite sides of the roof 23, for example the mouth 11 on the face of the roof facing south and the mouth 10 on the roof face 23 exposed to the north.
  • An adjustable flap 9 makes it possible to choose the supply of air, coming either from the mouth 10, or from the mouth 11, or from a mixture of the two in an intermediate position of the flap.
  • the air intake duct 21 is subdivided into a main air supply duct 8 and an air recirculation duct 26 from said room 22.
  • a portion of the air of said room may be taken up by the air intake mouth 5 sucked by the suction means 7, and / or driven by the bypass duct 6 and enter the duct. air intake 21.
  • This air intake at the ceiling 17 allows the recirculation of a portion of the air already heated premises, which allows in winter to limit preheating.
  • the method of mechanical ventilation by insufflation according to the invention makes it possible to ventilate the room 22 continuously with the aid of the installation presented to the Figures 1, 2, 3 and 4 .
  • the fan 20 operates continuously according to preprogrammed speeds, for example speeds ranging from 1 to 10.
  • the nominal speed V N of the fan corresponding to a renewal of the room air is determined, for example, every two hours according to current recommendations, chosen from one of these 10 preprogrammed speeds.
  • the air enters, according to the arrow E, by one or both mouths 10, 11, through the channel or channels 27, 28 according to the orientation of the flap 9, and is brought by the sheath 15 to the duct. air inlet 21.
  • this air intake duct 21 are arranged from upstream to downstream a filter 18, a preheating means 29 and a temperature and humidity sensor 14.
  • the blown air circulates in the duct. blown air 3 and then enters the room 22 by the insufflation mouth 4.
  • the calculation and control unit 12 calculates the values of absolute humidity and absolute humidity incoming air, and accordingly drives the fan 20 that is to say selects a preselected speed of said fan greater than or equal to the speed V N.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)
  • Ventilation (AREA)
EP11184678.8A 2010-10-13 2011-10-11 Mechanische Belüftungsinstallation durch feuchtigkeitsregulierte Belüftung, und zugehöriges Verfahren Active EP2442041B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1058317A FR2966226B1 (fr) 2010-10-13 2010-10-13 Installation de ventilation mecanique par insufflation hygroregulee et procede associe
FR1159086A FR2966227B1 (fr) 2010-10-13 2011-10-07 Installation de ventilation mecanique par insufflation hygroregulee et procede associe

Publications (2)

Publication Number Publication Date
EP2442041A1 true EP2442041A1 (de) 2012-04-18
EP2442041B1 EP2442041B1 (de) 2017-07-12

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Application Number Title Priority Date Filing Date
EP11184678.8A Active EP2442041B1 (de) 2010-10-13 2011-10-11 Mechanische Belüftungsinstallation durch feuchtigkeitsregulierte Belüftung, und zugehöriges Verfahren

Country Status (3)

Country Link
EP (1) EP2442041B1 (de)
ES (1) ES2643149T3 (de)
FR (1) FR2966227B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3118529A1 (de) * 2015-07-16 2017-01-18 Atlantic Climatisation et Ventilation System zum heizen und zur warmwasserbereitung in einer wohnung
CN107449096A (zh) * 2017-08-10 2017-12-08 广州天翔建设工程有限公司 一种智能室内新风***

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5935750A (ja) * 1982-08-23 1984-02-27 Sanden Corp 放熱装置としても使用可能な自然熱吸熱装置
EP0638775A1 (de) * 1993-08-10 1995-02-15 Conseils Etudes Et Recherches En Gestion De L'air C.E.R.G.A. Verfahren und Vorrichtung für die Regelung des Eintritts-Querschnittes einer Raumlüftungsöffnung
US20050144963A1 (en) * 2004-01-07 2005-07-07 Peterson Mark W. Adaptive intelligent circulation control methods and systems
EP1696184A2 (de) * 2002-10-22 2006-08-30 Meltem Wärmerückgewinnung GmbH & Co, KG Luftaustauschsystem für die Belüftung wenigstens eines Raums eines Gebäudes
WO2007139507A1 (en) * 2006-06-01 2007-12-06 Ventotech Ab Dehumidifying ventilation and regulation of airflow in enclosed structures

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5935750A (ja) * 1982-08-23 1984-02-27 Sanden Corp 放熱装置としても使用可能な自然熱吸熱装置
EP0638775A1 (de) * 1993-08-10 1995-02-15 Conseils Etudes Et Recherches En Gestion De L'air C.E.R.G.A. Verfahren und Vorrichtung für die Regelung des Eintritts-Querschnittes einer Raumlüftungsöffnung
EP1696184A2 (de) * 2002-10-22 2006-08-30 Meltem Wärmerückgewinnung GmbH & Co, KG Luftaustauschsystem für die Belüftung wenigstens eines Raums eines Gebäudes
US20050144963A1 (en) * 2004-01-07 2005-07-07 Peterson Mark W. Adaptive intelligent circulation control methods and systems
WO2007139507A1 (en) * 2006-06-01 2007-12-06 Ventotech Ab Dehumidifying ventilation and regulation of airflow in enclosed structures

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3118529A1 (de) * 2015-07-16 2017-01-18 Atlantic Climatisation et Ventilation System zum heizen und zur warmwasserbereitung in einer wohnung
FR3038967A1 (fr) * 2015-07-16 2017-01-20 Atlantic Climatisation & Ventilation Systeme de chauffage et de production d'eau chaude dans une habitation
CN107449096A (zh) * 2017-08-10 2017-12-08 广州天翔建设工程有限公司 一种智能室内新风***

Also Published As

Publication number Publication date
FR2966227B1 (fr) 2012-12-28
FR2966227A1 (fr) 2012-04-20
ES2643149T3 (es) 2017-11-21
EP2442041B1 (de) 2017-07-12

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