US20110237175A1 - Method device and system for heating/cooling and ventilating a premises - Google Patents
Method device and system for heating/cooling and ventilating a premises Download PDFInfo
- Publication number
- US20110237175A1 US20110237175A1 US12/294,842 US29484207A US2011237175A1 US 20110237175 A1 US20110237175 A1 US 20110237175A1 US 29484207 A US29484207 A US 29484207A US 2011237175 A1 US2011237175 A1 US 2011237175A1
- Authority
- US
- United States
- Prior art keywords
- air
- room
- occupiable
- ventilation
- premises
- 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.)
- Abandoned
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0236—Ducting arrangements with ducts including air distributors, e.g. air collecting boxes with at least three openings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
- F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F2007/001—Ventilation with exhausting air ducts
- F24F2007/002—Junction box, e.g. for ducts from kitchen, toilet or bathroom
-
- 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
- F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Definitions
- the present invention relates to a method and to a system for heating/cooling and ventilating a premises.
- a premises such as this typically comprises a plurality of occupiable rooms (for example dining room, drawing room and bedrooms in the case of a home) and a plurality of functional rooms (kitchen, bathroom, toilet).
- the air distributed to the premises comprises new air, from outside and intended for ventilation, and recycled air, from inside the premises.
- the air is distributed through a centralized blower—heater unit assembly which is commonly said to be “ductable”.
- the recycled air is generally taken from the ducting in the premises in order then to be heated or cooled before being blown into the occupiable rooms.
- the production of heat at the heater unit may be either of an electrical type (using a resistive heating element) or of the hot water type (from a boiler or the like), or of the thermodynamic type (employing direct expansion).
- blower for recycling the air is practically mandatory in order to ensure that the premises are satisfactorily heated or cooled. This is because the thermal treatment (heating or cooling) of the new air alone is not generally capable, while remaining at appropriate blowing temperature levels, of covering all requirements.
- the most conventional system is to use two independent systems, one for ventilation and one for heating.
- the ventilation which is performed with a conventional system and disassociated from the operation of the heating system, is afforded by a system of the single-flow (air inlets and extraction unit) CMV (controlled mechanical ventilation) type.
- CMV controlled mechanical ventilation
- combining this with single-flow ventilation may generate aerodynamic disturbances in respect of the air inlets. This is because as the “ductable” device is started up, a significant amount of recycled air is introduced into a room. Because of the pressure drop that the air experiences as it passes through the circulation system, the pressure in the room rises and the air intakes may become air outlets thus increasing heat losses from the air and reducing the air quality. This solution is therefore inadequate from a technical standpoint.
- a ventilation system of the double-flow CMV type With a system such as this, there is no direct air intake from the outside. What happens is that air is blown through independent ducts and blowing outlets into the occupiable room, the air being extracted from the functional rooms.
- the ductable units also use a blowing network in order to carry the heating or cooling air, fitting it alongside a double-flow ventilation system prevents serious installation problems.
- Another system aimed at solving the aforementioned installation problem is to attempt to perform hygienic ventilation (conveying of new air from the outside) in the same network. This then avoids the problem of bulk associated with a double blowing network and with the presence of two blowing terminals per room.
- Some air-conditioning installations with units of the ductable type are produced with a new air duct upstream of the machine. If the temperature in each room is controlled by varying the rate of flow of blown air (using, for example, a motorized damper), it then becomes impossible to guarantee the rates of flow of new ventilation air per room: and the ventilation provided does not meet the requirements prescribed by regulations. Because the requirements for ventilation and for heating are not concomitant, this in some instances leads either to under-ventilation or to overheating. Furthermore, one additional difficulty is that of managing the temperature room by room. The air is heated by a single heater unit for all distribution points and then makes temperature regulation more complicated still.
- document FR 2 839 143 discloses a system in which a new ventilation air-carrying and distributing element is provided downstream of the unit that heats the recycled air and is connected to the blower of the ductable unit.
- This element allows, on the one hand, control of thermal requirements room by room and, on the other hand, ensures that the rate of flow of new air is maintained and regulated room by room.
- the device thus makes it possible to preserve the independence between energy production and ventilation, but using one and the same duct, this being a highly sought-after solution in order to save on space and installation facilities.
- the invention sets out to remedy the above-mentioned disadvantages by making it possible, to provide in a coupled manner:
- the invention relates to a method for heating/cooling and ventilating a premises comprising a plurality of occupiable rooms and a plurality of functional rooms, in which method:
- this method is characterized in that:
- the recycling blower may in particular be switched on when one of the main rooms is overheated (the set-point temperature thereof is exceeded by 2° C. for example). This may occur when there is a closed-hearth fireplace or some other localized top-up heating system in one of the rooms of the premises. This situation also arises when one façade is bathed in sunlight and the other is not. Starting up the recycling blower thus allows the temperatures in the various rooms to be evened out and overheating avoided.
- the box structure may be made up of a box located in the premises, or of a plenum formed within the premises itself, for example a false ceiling.
- the invention also allows the temperature to be regulated room by room in a simple way and does not employ a system for the centralized supply of air all at the same temperature.
- the rate of flow of new ventilation air conveyed into an occupiable room may be substantially constant and independent of the set-point temperature in said room.
- this rate of flow may be controlled to at least one parameter measured in the premises and corresponding to the ventilation requirement thereof (whether it has one or a plurality of occupants, CO 2 level, moisture level, or any other indicator of pollution in the room in question).
- recycled air is conveyed into the interior chamber when, once thermally treated new ventilation air has been blown into at least one occupiable room for a predetermined length of time, the temperature in said occupiable room still differs appreciably from the set-point temperature.
- the invention relates to a system for heating/cooling and ventilating a premises comprising a plurality of occupiable rooms and a plurality of functional rooms, the system comprising a heating/cooling and ventilation device comprising a box structure defining an interior chamber, the box structure comprising:
- the special feature of the system according to the invention is that it comprises a central control unit capable of controlling the start-up and rotational speed of the recycling blower on the basis of the difference between the actual temperature and the set-point temperature in at least one occupiable room if the set-point temperature cannot be attained by thermally treating the new ventilation air alone.
- each blowing outlet has a cross section tailored to the desired rate of flow of air in the corresponding occupiable room. It is thus possible to increase the rate of flow of blown air while at the same time maintaining the same relationship between the various rooms. If, for example, the blowing outlets are of substantially identical cross section, then substantially identical distribution of new air can be obtained between the various occupiable rooms.
- the system may further comprise a ventilation module comprising an inlet for new ventilation air from outside the premises, an outlet for new ventilation air which is connected to the intake for new ventilation air of the device, a stale-air inlet connected to each of the functional rooms from which air is to be extracted, and an outlet for letting stale air out to outside the premises.
- a ventilation module comprising an inlet for new ventilation air from outside the premises, an outlet for new ventilation air which is connected to the intake for new ventilation air of the device, a stale-air inlet connected to each of the functional rooms from which air is to be extracted, and an outlet for letting stale air out to outside the premises.
- the ventilation module may be a double-flow CMV module.
- FIG. 1 is a schematic view in perspective from above of premises comprising a heating/cooling and ventilation system according to the invention
- FIG. 2 is a front perspective view of a heating/cooling and ventilating device according to the invention.
- FIG. 3 is a rear perspective view of the device of FIG. 2 ;
- FIG. 4 is a view similar to FIG. 2 , showing the inside of the device.
- FIG. 1 represents premises 1 , here an individual dwelling, comprising a plurality of occupiable rooms such as two bedrooms 2 , 3 and a lounge/dining room 4 , functional rooms such as a kitchen 5 , a bathroom/toilet 6 , and a corridor 7 .
- premises 1 here an individual dwelling, comprising a plurality of occupiable rooms such as two bedrooms 2 , 3 and a lounge/dining room 4 , functional rooms such as a kitchen 5 , a bathroom/toilet 6 , and a corridor 7 .
- the device 8 Positioned inside the premises 1 is a heating/cooling and ventilation device 8 according to the invention and a ventilation module 9 of the double-flow CMV type.
- the device 8 more specifically illustrated in FIGS. 2 to 4 , comprises a box structure 10 defining an interior chamber 11 .
- the ventilation module 9 takes in the new ventilation air 12 , possibly filtered, from outside the premises 1 and conveys it along a first duct 13 to a new ventilation air intake 14 formed on the box structure 10 and opening into the interior chamber 11 .
- the device 8 comprises two intakes 14 for new ventilation air 12 .
- the box structure 10 also comprises an intake 15 for recycled air 16 this being connected to a second duct 17 opening into the corridor 7 of the premises 1 .
- the device 8 comprises a blower 18 designed to let recycled air 16 into the interior chamber via the recycled-air intake 15 , when necessary. It may also have a non-return valve, which may or may not be motorized, designed to prevent air contained in the interior chamber 11 from leaving via the recycled-air intake 15 .
- the box structure 10 has blowing outlets 19 each connected to a third duct 20 opening onto a blowing outlet 21 formed in the wall of an occupiable room 2 , 3 , 4 , for example near the top.
- stale air 22 is extracted from each of the functional rooms 5 , 6 by an extraction orifice 23 which, formed in the wall of these rooms, is connected to a fourth duct 24 which opens into the ventilation module 9 .
- the stale air 22 is then removed to outside the premises 1 , after possibly having been passed through a heat exchanger where it can preheat the new ventilation air 12 .
- This thermal treatment is obtained by means of heat treatment units 25 positioned in the interior chamber 11 upstream of each blowing outlet 19 , the units 25 being specific to each blowing outlet 19 and independent of one another.
- Each unit 25 is therefore associated with a distinct room in the premises 1 .
- the units 25 here work by circulating a heat transfer fluid such as water, carried and removed by an appropriate system 26 formed on the box structure 10 . It is thus possible to heat or cool the air which is to be blown, as need be.
- other types of unit may be provided (for example those which heat using a resistive electric element).
- the new ventilation air 12 is conveyed to the interior chamber 11 at the rate of flow needed to maintain good air quality in the premises 1 .
- the overall rate of flow of air in the premises 1 is fixed upstream of the device 8 . It may be constant or controlled to at least one measured parameter corresponding to the overall requirement for ventilation of the premises 1 .
- Good distribution of new ventilation air 12 between the occupiable rooms 2 , 3 , 4 is provided by defining the cross section of each blowing outlet 19 , which will take priority over rate of flow.
- the specific pressure drop caused by the unit 25 will constitute this equivalent orifice.
- the system comprises a central control unit (not depicted) connected to a thermostat 27 provided in each occupiable room 2 , 3 , 4 .
- the central control unit controls the thermal treatment units 25 to heat or cool the new ventilation air 12 contained in the interior chamber 11 of the box structure 10 . If the set-point temperature cannot be attained by thermal treatment of the new ventilation air 12 alone, then the central control unit may command the starting-up and the rotational speed of the recycling blower 18 , on the basis of the discrepancy between the actual temperature and the set-point temperature.
- the recycled air 16 thus conveyed to the chamber 11 mixes with the new ventilation air 12 and is also heated or cooled as it passes through the units 25 and before it enters the blowing outlets 19 .
- the central control unit integrates the temperature discrepancies across all the occupiable rooms in order to ensure evenness across all occupiable rooms.
- the non-return valve makes it possible, when the blower stops, to ensure that the new ventilation air 12 will be blown into the occupiable rooms and will not pass through the blower 18 and bypass ventilating the occupiable rooms.
- Thermal regulation is performed in each unit 25 , which means that each room can be regulated precisely. Furthermore, when these requirements are low, it is possible to heat only the new ventilation air 12 , thus avoiding having to start up the recycling blower 18 : this then limits electrical power consumption and audible disturbances.
- the blower 18 will be started up according to the needs to be covered and on the basis of an upper blowing temperature limit. In practice, 60 to 80% of requirements can be covered without the need to start up the recycling blower 18 .
- the system according to the invention may also comprise means of agitating the air in at least one occupiable room.
- These means of agitating the air may consist of the blower itself.
- the agitation caused by the recycling blower makes it possible to reduce the overall requirements for heating by increasing the efficiency with which internal supplies of heat (from the sun or from localized heating systems) is recuperated. What happens is that the agitation causes heat energy to pass from an over-heated room to a room that is demanding heating.
- the invention makes a marked improvement over the prior art by making it possible to meet two often contradictory requirements, namely the requirement for new air to ventilate a premises and the requirement for heat or cold energy carried by the air to heat or cool this premises, in a simple way.
- the invention makes it possible, on the one hand, to obtain a rate of flow of new ventilation air room by room that meets the requirements prescribed by regulations, it further being possible for this new air to be filtered and/or preheated.
- the supply of heat or cold is customized room by room through thermostatic regulation on a room by room basis (rather than centralized supply of air at a constant temperature).
- the invention is therefore capable of responding to variable requirements for heat on a room by room basis.
- the invention makes it possible to reduce the size of the air distribution networks of a double-flow ventilation system, makes the networks easier to install, and allows the installation costs to be reduced.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Central Air Conditioning (AREA)
- Building Environments (AREA)
- Air Conditioning Control Device (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR06/02679 | 2006-03-28 | ||
FR0602679A FR2899319B1 (fr) | 2006-03-28 | 2006-03-28 | Dispositif de ventilation et de chauffage aeraulique de locaux |
PCT/FR2007/000518 WO2007110505A2 (fr) | 2006-03-28 | 2007-03-26 | Procede et systeme de chauffage / rafraichissement et ventilation d'un local |
Publications (1)
Publication Number | Publication Date |
---|---|
US20110237175A1 true US20110237175A1 (en) | 2011-09-29 |
Family
ID=37199073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/294,842 Abandoned US20110237175A1 (en) | 2006-03-28 | 2007-03-26 | Method device and system for heating/cooling and ventilating a premises |
Country Status (7)
Country | Link |
---|---|
US (1) | US20110237175A1 (fr) |
EP (1) | EP1999412B1 (fr) |
CN (1) | CN101416001B (fr) |
ES (1) | ES2434950T3 (fr) |
FR (1) | FR2899319B1 (fr) |
PL (1) | PL1999412T3 (fr) |
WO (1) | WO2007110505A2 (fr) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150140920A1 (en) * | 2011-07-26 | 2015-05-21 | Silentair Group Limited | Air conditioning units |
JP2015183940A (ja) * | 2014-03-25 | 2015-10-22 | フジモリ産業株式会社 | 空調用分岐チャンバー |
EP2944889A1 (fr) * | 2014-05-14 | 2015-11-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil d'aération compact doté d'unités de refoulement d'air individuelles pouvant être commandées |
WO2018004432A1 (fr) * | 2016-06-30 | 2018-01-04 | Lindab Ab | Dispositif de régulation de température de résidences |
CN111412547A (zh) * | 2020-04-24 | 2020-07-14 | 上海伯涵热能科技有限公司 | 一种送风排风模块一体化全屋新风系统 |
US10876746B2 (en) * | 2016-10-11 | 2020-12-29 | Innovative Lighting, LLC | Air distribution hub |
JP2021038887A (ja) * | 2019-09-03 | 2021-03-11 | 協立エアテック株式会社 | 空調チャンバ装置 |
US11009255B2 (en) | 2018-09-05 | 2021-05-18 | Donald Morris | Supply air plenum |
US11073301B2 (en) | 2018-04-13 | 2021-07-27 | Johnson Controls Technology Company | Heat pump with integrated energy recovery ventilator (ERV) |
EP4269899A1 (fr) * | 2022-04-27 | 2023-11-01 | Soler & Palau Research, S.L. | Unité de ventilation mécanique contrôlée |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2977005B1 (fr) * | 2011-06-22 | 2013-07-05 | Ventilairsec | Installation de ventilation a chauffage modulable |
FR2978234B1 (fr) * | 2011-07-22 | 2015-02-06 | Aldes Aeraulique | Bloc de distribution d'air |
FR3016204B1 (fr) * | 2014-01-08 | 2018-11-30 | France Air | Installation de ventilation et de traitement d'air pour un local |
FR3025024B1 (fr) * | 2014-08-19 | 2018-11-30 | France Air | Unite d'equipement pour un local, installation de ventilation et de traitement d'air comprenant une telle unite et installation de ventilation et de traitement d'air dans un batiment |
FR3028012B1 (fr) * | 2014-10-31 | 2016-12-23 | Aereco | Hub de distribution modulee d'air neuf |
FR3034793A1 (fr) * | 2015-04-13 | 2016-10-14 | Jean Paul Lefaucheux | Plafond recuperateur d'energie |
FR3072158B1 (fr) * | 2017-10-11 | 2019-09-27 | Atlantic Climatisation & Ventilation | Groupe de ventilation mecanique controlee |
FR3120933A1 (fr) * | 2021-03-22 | 2022-09-23 | Atlantic Climatisation et Traitement d’Air Industrie | Procede de pilotage d’un systeme de ventilation, chauffage, climatisation et/ou purification |
FR3128884A1 (fr) * | 2021-11-10 | 2023-05-12 | Atlantic Climatisation et Traitement d’Air Industrie | Systeme de recyclage d’air pour un local |
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JP3164647B2 (ja) * | 1992-06-03 | 2001-05-08 | 株式会社東芝 | 動画像符号化方法及び装置 |
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2006
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- 2007-03-26 EP EP07731201.5A patent/EP1999412B1/fr not_active Not-in-force
- 2007-03-26 CN CN2007800095103A patent/CN101416001B/zh not_active Expired - Fee Related
- 2007-03-26 WO PCT/FR2007/000518 patent/WO2007110505A2/fr active Application Filing
- 2007-03-26 PL PL07731201T patent/PL1999412T3/pl unknown
- 2007-03-26 US US12/294,842 patent/US20110237175A1/en not_active Abandoned
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US6698219B2 (en) * | 2001-11-30 | 2004-03-02 | National University Of Singapore | Energy-efficient variable-air-volume (VAV) system with zonal ventilation control |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150140920A1 (en) * | 2011-07-26 | 2015-05-21 | Silentair Group Limited | Air conditioning units |
JP2015183940A (ja) * | 2014-03-25 | 2015-10-22 | フジモリ産業株式会社 | 空調用分岐チャンバー |
EP2944889A1 (fr) * | 2014-05-14 | 2015-11-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil d'aération compact doté d'unités de refoulement d'air individuelles pouvant être commandées |
WO2018004432A1 (fr) * | 2016-06-30 | 2018-01-04 | Lindab Ab | Dispositif de régulation de température de résidences |
US10876746B2 (en) * | 2016-10-11 | 2020-12-29 | Innovative Lighting, LLC | Air distribution hub |
US11073301B2 (en) | 2018-04-13 | 2021-07-27 | Johnson Controls Technology Company | Heat pump with integrated energy recovery ventilator (ERV) |
US11009255B2 (en) | 2018-09-05 | 2021-05-18 | Donald Morris | Supply air plenum |
JP2021038887A (ja) * | 2019-09-03 | 2021-03-11 | 協立エアテック株式会社 | 空調チャンバ装置 |
JP7297604B2 (ja) | 2019-09-03 | 2023-06-26 | 協立エアテック株式会社 | 空調チャンバ装置 |
CN111412547A (zh) * | 2020-04-24 | 2020-07-14 | 上海伯涵热能科技有限公司 | 一种送风排风模块一体化全屋新风系统 |
EP4269899A1 (fr) * | 2022-04-27 | 2023-11-01 | Soler & Palau Research, S.L. | Unité de ventilation mécanique contrôlée |
Also Published As
Publication number | Publication date |
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FR2899319A1 (fr) | 2007-10-05 |
WO2007110505A3 (fr) | 2007-11-22 |
WO2007110505A2 (fr) | 2007-10-04 |
EP1999412A2 (fr) | 2008-12-10 |
CN101416001A (zh) | 2009-04-22 |
ES2434950T3 (es) | 2013-12-18 |
CN101416001B (zh) | 2011-05-18 |
PL1999412T3 (pl) | 2014-01-31 |
FR2899319B1 (fr) | 2008-05-23 |
EP1999412B1 (fr) | 2013-08-14 |
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