EP1259766A1 - Groupe de ventilation auto-pilote a regulation electronique - Google Patents
Groupe de ventilation auto-pilote a regulation electroniqueInfo
- Publication number
- EP1259766A1 EP1259766A1 EP01907834A EP01907834A EP1259766A1 EP 1259766 A1 EP1259766 A1 EP 1259766A1 EP 01907834 A EP01907834 A EP 01907834A EP 01907834 A EP01907834 A EP 01907834A EP 1259766 A1 EP1259766 A1 EP 1259766A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- box
- differential pressure
- ventilation unit
- pressure
- ventilation
- 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
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
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
-
- 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
- F24F11/75—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 for maintaining constant air flow rate or air velocity
-
- 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
- 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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/40—Pressure, e.g. wind pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/10—Pressure
Definitions
- the subject of the present invention is a self-controlled ventilation group with electronic regulation operating in extraction or in blowing, making it possible to control flow rates, whatever the uses of ventilation, in particular variations in the number and nature of the air intakes. , continuous variations in flow, or variations in the environment, in particular drops in the electrical voltage of the fan supply, variation in the back pressure due to the wind, while optimizing consumption and acoustics, for any fan.
- ventilation In collective or individual dwellings, or in premises for economic or industrial use, ventilation must ensure a minimum of air renewal, necessary for hygiene, air quality and the sustainability of the building.
- ventilation whose flow rates are not controlled can cause significant thermal losses for the room. Consequently, the purpose of ventilation systems is to make the air renewal flows as stable as possible, while respecting the constraints of minimum flow values to be ensured.
- a solution known to date consists in having, on the suction conduits, mechanical members which adapt their section to the pressure differences and thus regulate the flow rate. These flow control devices are associated with a fan whose pressure increases with the decrease in flow. Although these fans accept a wide range of differential pressure, they have the major acoustic disadvantage of generating an increasing sound level with increasing differential pressure. Thus, for low flow rates, the noise generated is greater, which often forces manufacturers to offer a large range of motorizations to adapt to different flow configurations and not to generate unnecessary overconsumption.
- the object of the invention is to provide a ventilation group provided with a regulation device allowing it to automatically adapt to the different flow configurations required by a room, such as a dwelling, with a single motorization. , which is a classic engine, optimizing acoustics and consumption.
- the ventilation unit it relates to, comprising an electrically driven fan, mounted inside a box into which several conduits open in connection with one or more parts, is characterized in that it comprises orifices of determined section, and a differential pressure sensor measuring the pressure difference between two predetermined points, this value being transmitted to an analysis and control device, which compares the differential pressure value with a reference value and controls the fan, so that it accelerates or slows down its speed of rotation, in order to maintain the value of the differential pressure constant and equal to the reference value, to maintain the desired flow rate at the aforementioned orifices.
- This solution makes it possible to adjust a differential pressure, from which results a control of the flow rates at the terminals of conduits having passage sections and of known size. It is thus possible to evade the noise linked to the increase in pressure by decreasing the flow rates, and to evade the use of a very expensive specific fan.
- the invention makes it possible to replace mechanical organs for regulating flow with simple orifices calibrated and carefully profiles, which considerably reduces the overall cost of controlling flow rates.
- the invention may even be suitable in installations comprising variable-flow vents, in which the passage section depends on a need for ventilation and is independent of the pressure at its terminals. In this case, it is each mouth which fulfills the role of a calibrated orifice.
- the control device acts on the supply voltage level or on the shape of the fan supply current. Depending on whether the fan is direct current or alternating current, control can be done on the variation of voltage or frequency, or by chopping the supply current.
- the ventilation flows at the orifices of determined section are controlled by controlling the absolute pressure of the box, that is to say the pressure difference between the inside and the outside of the caisson.
- This solution is well suited to a network in which the pressure drops are balanced on the various suction pipes and in the case where these suction pipes are short.
- the ventilation flows at the orifices of determined section are controlled by controlling the differential pressure on either side of a calibrated orifice belonging to the box, or on either side of 'A calibrated orifice, such as an air intake or air blower opening into a room, and of constant section or variable section.
- the flows at the calibrated orifices of constant section or of variable section, such as an extraction or blowing air outlet opening into a room are controlled by controlling the differential pressure on both sides. 'other of this orifice, the pressure outside the box being equal to that of the part.
- the differential pressure sensor measures the pressure difference between at least one point located on an air duct and the interior of the box.
- the differential pressure sensor measures the pressure difference between the average of the pressures inside several air passage ducts and the inside of the box, several tubes emerging in the conduits converging into a tube, which is connected to the sensor.
- FIG. 1 is an exploded perspective view of the ventilation box intended to fulfill the basic needs of fixed flow
- Figures 2 to 4 are three schematic views illustrating three connection possibilities for measuring the differential pressure to control the ventilation box
- Figures 5 and 6 are views similar to Figures 3 and 4, in the case of an installation in which the ventilation box is associated with vents with variation in section.
- the installation shown in Figure 1 comprises a box 2 equipped with a fan 3 comprising an electric motor.
- the box 2 is equipped with three nozzles 4, 5 and 6 allowing the mounting of three calibrated orifices 21, 22 and 23, and three conduits 7, only one of which is shown in the drawing.
- Each conduit 7 opens at its other end into a room, at which it is equipped with a simple aesthetic grid 24.
- a differential pressure sensor 9 is mounted inside the box, which is connected to a housing 10 d 'analysis of the differential pressure and fan control by acting on the power supply 1 2 thereof.
- the differential pressure sensor measures the absolute pressure of the box, that is to say the pressure difference between the inside and the outside of the box.
- a pressure tapping tube 1 3 opens outside the box and another pressure taking tube 14 opens inside the box.
- FIG. 3 represents a second embodiment of this installation in which the same elements are designated by the same references as above.
- the pressure sensor 9 measures the pressure difference between the interior of the box and a place 1 6 located on the conduit 7 beyond the orifice 23 relative to the box
- FIG. 4 represents a third embodiment in which the same elements are designated by the same references as above.
- three tubes respectively 1 7, 1 8 and 1 9 which join in a common tube 20 connected to the pressure sensor 9, make it possible to take the average pressure in the conduits connected to the nozzles 4, 5 and 6.
- the sensor pressure also takes the pressure inside the box through the tube 1 4.
- the sensor measures the pressure difference between the average pressure inside the ducts and the pressure inside the box, the orifices 21, 22 and 23 being arranged between the pressure taps
- the orifice 23 is replaced by a mouth 8 opening into a room whose ventilation is to be ensured, and the pressure differential is measured between a point 1 6 opening into the conduit 7 between the mouth 8 and the box, and a pressure tap 1 3 outside the box
- the fan speed is adapted to keep the pressure difference measured by the sensor 9 constant.
- An additional advantage of the device according to the invention lies in the uniqueness of the motorization, whatever the number of tappings, which can vary for example from one to four, and to which air circulation ducts can be connected, without penalize performance.
- the invention brings a great improvement to the existing technique by providing a regulated ventilation box allowing either a great stability of the flows, or a self-adaptation to the variations of flow with one and the same motorization in the box, while optimizing acoustics and consumption.
- the invention is not limited to the sole embodiments of this device, described above by way of nonlimiting examples, on the contrary it embraces all the variants. It is thus in particular that it would be possible to produce a ventilation box whose regulation would be obtained from other pressure differences, or that it would be possible to combine certain pressure difference measurements differently or that it would be possible to combine pressure differences supplied by two sensors, for example by sending them to the same analysis and control unit, favoring the measurement which favors the best operating conditions of the fan
Landscapes
- 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)
- Ventilation (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Flow Control (AREA)
- Air Conditioning Control Device (AREA)
- Electronic Switches (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0002573 | 2000-02-29 | ||
FR0002573A FR2805601B1 (fr) | 2000-02-29 | 2000-02-29 | Groupe de ventilation auto-pilote a regulation electronique |
PCT/FR2001/000476 WO2001065185A1 (fr) | 2000-02-29 | 2001-02-16 | Groupe de ventilation auto-pilote a regulation electronique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1259766A1 true EP1259766A1 (fr) | 2002-11-27 |
EP1259766B1 EP1259766B1 (fr) | 2006-04-19 |
Family
ID=8847556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01907834A Expired - Lifetime EP1259766B1 (fr) | 2000-02-29 | 2001-02-16 | Groupe de ventilation auto-pilote a regulation electronique |
Country Status (10)
Country | Link |
---|---|
US (1) | US6699119B2 (fr) |
EP (1) | EP1259766B1 (fr) |
KR (1) | KR100714389B1 (fr) |
CN (1) | CN1201123C (fr) |
AT (1) | ATE323872T1 (fr) |
DE (1) | DE60118894T2 (fr) |
ES (1) | ES2260204T3 (fr) |
FR (1) | FR2805601B1 (fr) |
PT (1) | PT1259766E (fr) |
WO (1) | WO2001065185A1 (fr) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1018880C2 (nl) * | 2001-09-04 | 2003-03-05 | Stork J E Ventilatoren Bv | Gebouw met bewakingsmiddelen voor bewaking van ventilatie en rookgassen. |
FR2835598B1 (fr) * | 2002-02-04 | 2004-04-16 | Aldes Aeraulique | Installation de ventilation mecanique controlee equipee d'un dispositif de pilotage |
FR2850450B1 (fr) * | 2003-01-29 | 2005-04-29 | Atlantic C V I | Groupe de ventilation mecanique controlee |
KR100565831B1 (ko) * | 2003-10-13 | 2006-03-30 | 엘지전자 주식회사 | 환기장치용 관리정보 알림장치 및 그 방법 |
DE502005001909D1 (de) * | 2004-05-20 | 2007-12-20 | Skan Ag | Verfahren und apparatur für den phasenwechsel in einem isolator |
US8702482B2 (en) | 2004-12-07 | 2014-04-22 | Trane International Inc. | Ventilation controller |
FR2884904B1 (fr) * | 2005-04-22 | 2007-07-20 | Aldes Aeraulique Sa | Procede de regulation de la pression fournie par un ventilateur a vitesse variable d'une installation de ventilation |
DE202005008867U1 (de) * | 2005-06-04 | 2006-07-20 | Huber Kunststoff & Technik Gmbh | Vorrichtung zum Entlüften eines Hohlraums |
US7699051B2 (en) * | 2005-06-08 | 2010-04-20 | Westen Industries, Inc. | Range hood |
FR2888304B1 (fr) * | 2005-07-08 | 2007-10-12 | Soler Et Palau | Piquage de ventilation et caisson de ventilation mecanique controle comportant un tel piquage |
EP1917845A4 (fr) * | 2005-08-05 | 2011-03-30 | Wrd Corp | Procede de refroidissement adaptatif pour une armoire contenant plusieurs dispositifs informatiques |
DE102005057454B4 (de) * | 2005-12-01 | 2007-09-13 | Black Box Gmbh & Co.Kg | Luftdichtevergleichsregelung |
US7766734B2 (en) | 2005-12-27 | 2010-08-03 | American Aldes Ventilation Corporation | Method and apparatus for passively controlling airflow |
US9759442B2 (en) | 2005-12-27 | 2017-09-12 | American Aldes Ventilation Corporation | Method and apparatus for passively controlling airflow |
WO2008052362A1 (fr) * | 2006-11-03 | 2008-05-08 | E.H. Price Ltd. | Diffuseur de ventilation de plancher assisté par un ventilateur |
US8024871B2 (en) * | 2006-11-08 | 2011-09-27 | Lg Electronics Inc. | Exhaust structure for clothes dryer in apartment building |
US20080182506A1 (en) * | 2007-01-29 | 2008-07-31 | Mark Jackson | Method for controlling multiple indoor air quality parameters |
US20090034187A1 (en) * | 2007-07-31 | 2009-02-05 | Coles Henry C | Pressure-based fan speed adjustment |
CA2596151A1 (fr) * | 2007-08-03 | 2009-02-03 | Air Tech Equipment Ltd. | Methode et appareillage de commande de systeme de ventilation |
DE102007049333B4 (de) * | 2007-10-12 | 2009-10-15 | Imtech Deutschland Gmbh & Co. Kg | Klimaanlage, insbesondere für Schiffe |
BE1019200A5 (nl) * | 2010-02-24 | 2012-04-03 | Renson Ventilation Nv | Werkwijze voor het inregelen van een centraal ventilatiesysteem, inregelsysteem en centraal ventilatiesysteem met een dergelijk inregelsysteem. |
CN102841661A (zh) * | 2011-06-24 | 2012-12-26 | 鸿富锦精密工业(深圳)有限公司 | 散热风扇风流压降侦测装置及散热风扇安装方法 |
FR2986581B1 (fr) * | 2012-02-03 | 2015-09-04 | Aldes Aeraulique | Dispositif de ventilation mecanique controlee et son procede de fabrication |
NL2008944C2 (nl) * | 2012-06-06 | 2013-12-09 | Vero Duco Nv | Ventilatie-installatie met debietregelaars. |
US9261388B2 (en) | 2012-07-11 | 2016-02-16 | Trane International Inc. | Methods and systems to measure fluid flow |
NL2009975C2 (nl) * | 2012-12-12 | 2014-06-16 | Vero Duco Nv | Ventilatiesysteem met stromingsregelcassette. |
US9494335B1 (en) | 2013-05-09 | 2016-11-15 | Pathian Incorporated | Building pressure control |
US11781774B2 (en) | 2013-05-09 | 2023-10-10 | Pathian Incorporated | Building pressure control |
CN103234341B (zh) * | 2013-05-14 | 2015-03-18 | 楚天科技股份有限公司 | 用于检测烘干机风机工作状态的装置及烘干机 |
CN104633888B (zh) * | 2013-11-08 | 2019-11-19 | 美国阿尔德斯通风设备公司 | 用于被动控制空气流的方法和设备 |
US10646734B2 (en) * | 2014-05-05 | 2020-05-12 | Wayne Fueling Systems Sweden Ab | Purge and pressurization system with feedback control |
US10145379B1 (en) * | 2014-10-02 | 2018-12-04 | Donald Arthur Martin, Jr. | Solar powered ventilator fan |
FI20146037A (fi) * | 2014-11-26 | 2016-05-27 | Si Tecno Oy | Menetelmä rakennuksen eri tilojen paine-eromittausta varten |
NL2014124B1 (nl) * | 2015-01-13 | 2017-01-04 | Vero Duco Nv | Ventilatiesysteem met meetsysteem. |
FR3046456B1 (fr) * | 2016-01-05 | 2017-12-29 | Etudes Et Constructions Electromecaniques | Dispositif de connexion relais pour installation de ventilation forcee, systeme de connexion relais le comprenant, et installation de ventilation forcee equipee de tels systemes |
CN107906662A (zh) * | 2017-10-02 | 2018-04-13 | 广东美的制冷设备有限公司 | 新风机的转速控制方法、新风机及计算机可读存储介质 |
KR102565654B1 (ko) * | 2017-10-30 | 2023-08-10 | 블루에어 에이비 | 환기 공기 유입구를 위한 공기 처리 장치 |
FR3075325B1 (fr) * | 2017-12-19 | 2020-02-28 | Aereco | Procede de distribution d'air |
FI12255U1 (fi) * | 2018-09-10 | 2018-12-14 | Entos Energiatekniikan Optimisaeaetoe Oy | Rakennuksen poistoilmapuhallin ja poistoilmajärjestelmä |
JP6642670B1 (ja) * | 2018-09-20 | 2020-02-12 | ダイキン工業株式会社 | 空気調和装置および送風ファンの回転速度調整方法 |
IT202000000448A1 (it) * | 2020-01-13 | 2021-07-13 | Ideal Clima Srl | Sistema di ventilazione o condizionamento |
FR3113110A1 (fr) * | 2020-07-29 | 2022-02-04 | GL events | Système de transport d’air pour réseau aéraulique du bâtiment comprenant un dispositif à peaux multiples |
JP7396253B2 (ja) | 2020-11-12 | 2023-12-12 | 株式会社Sumco | 差圧測定方法 |
DE102021116154A1 (de) | 2021-06-22 | 2022-12-22 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Überwachungsvorrichtung und Verfahren zur Überwachung der Qualität einer Gasatmosphäre |
US11708986B1 (en) * | 2022-07-12 | 2023-07-25 | Intellytic Ventures Ltd | Smart IoT energy saving sound wave air filter system and use for air purifiers and a method of air filtration thereof |
Family Cites Families (6)
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US3415178A (en) * | 1967-05-04 | 1968-12-10 | Ilg Ind Inc | Ventilating system and device |
US5257958A (en) * | 1993-02-11 | 1993-11-02 | Rapid Engineering, Inc. | Pressure override control for air treatment unit |
JPH0763404A (ja) * | 1993-08-30 | 1995-03-10 | Mitsubishi Electric Corp | 空気調和機 |
JPH07120025A (ja) * | 1993-10-27 | 1995-05-12 | Mitsubishi Electric Corp | 空調装置 |
EP1064503A4 (fr) * | 1998-03-16 | 2002-06-19 | Asyst Technologies | Minienvironnement intelligent |
US6328647B1 (en) * | 2000-04-06 | 2001-12-11 | Jon E. Traudt | Pressure differential detecting system, and method of use |
-
2000
- 2000-02-29 FR FR0002573A patent/FR2805601B1/fr not_active Expired - Fee Related
-
2001
- 2001-02-16 US US10/220,332 patent/US6699119B2/en not_active Expired - Lifetime
- 2001-02-16 PT PT01907834T patent/PT1259766E/pt unknown
- 2001-02-16 CN CNB018057993A patent/CN1201123C/zh not_active Expired - Fee Related
- 2001-02-16 KR KR1020027011320A patent/KR100714389B1/ko not_active IP Right Cessation
- 2001-02-16 ES ES01907834T patent/ES2260204T3/es not_active Expired - Lifetime
- 2001-02-16 EP EP01907834A patent/EP1259766B1/fr not_active Expired - Lifetime
- 2001-02-16 AT AT01907834T patent/ATE323872T1/de not_active IP Right Cessation
- 2001-02-16 WO PCT/FR2001/000476 patent/WO2001065185A1/fr active IP Right Grant
- 2001-02-16 DE DE60118894T patent/DE60118894T2/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0165185A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE60118894D1 (de) | 2006-05-24 |
US20030157882A1 (en) | 2003-08-21 |
DE60118894T2 (de) | 2006-11-30 |
ES2260204T3 (es) | 2006-11-01 |
FR2805601A1 (fr) | 2001-08-31 |
US6699119B2 (en) | 2004-03-02 |
PT1259766E (pt) | 2006-07-31 |
WO2001065185A1 (fr) | 2001-09-07 |
KR20020093826A (ko) | 2002-12-16 |
CN1411544A (zh) | 2003-04-16 |
ATE323872T1 (de) | 2006-05-15 |
FR2805601B1 (fr) | 2002-06-07 |
EP1259766B1 (fr) | 2006-04-19 |
CN1201123C (zh) | 2005-05-11 |
KR100714389B1 (ko) | 2007-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20020807 |
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