WO2009061237A2 - Procédé pour réguler la pression d'air dans un local et dispositif pour mettre en oeuvre le procédé correspondant - Google Patents

Procédé pour réguler la pression d'air dans un local et dispositif pour mettre en oeuvre le procédé correspondant Download PDF

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Publication number
WO2009061237A2
WO2009061237A2 PCT/RU2008/000702 RU2008000702W WO2009061237A2 WO 2009061237 A2 WO2009061237 A2 WO 2009061237A2 RU 2008000702 W RU2008000702 W RU 2008000702W WO 2009061237 A2 WO2009061237 A2 WO 2009061237A2
Authority
WO
WIPO (PCT)
Prior art keywords
air
room
pressure
shell
air pressure
Prior art date
Application number
PCT/RU2008/000702
Other languages
English (en)
Russian (ru)
Other versions
WO2009061237A3 (fr
Inventor
Yuriy Petrovich Neschitov
Original Assignee
Yuriy Petrovich Neschitov
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 Yuriy Petrovich Neschitov filed Critical Yuriy Petrovich Neschitov
Publication of WO2009061237A2 publication Critical patent/WO2009061237A2/fr
Publication of WO2009061237A3 publication Critical patent/WO2009061237A3/fr

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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
    • F24F11/70—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
    • 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
    • F24F2011/0004—Control or safety arrangements for ventilation for admittance of outside air to create overpressure in a room

Definitions

  • the invention relates to the field of forced ventilation of inhabited premises and is intended to increase the comfort of a room by maintaining an adjustable air pressure regime therein.
  • a known method of maintaining air pressure in the room including forcing air into the room and pumping air out of the room by means of an air propulsion device, characterized in that when the air pressure exceeds the indoor values, 1, 1 x 10 5 Pa include an air propulsion device that pumps air out of the room and when the air pressure in the room is less than 0.9 x 10 5 Pa, an air mover is turned on, which pumps air into the room.
  • the second variant of the method of maintaining air pressure in the room, including forcing air into the room and pumping air out of the room is characterized in that by the moment of entry or exit from the room, the internal air pressure in the room is equalized to the value of the external atmospheric pressure, see patent RU Ns2258872.
  • a device for maintaining indoor air pressure that implements the above method includes an air propulsion device and is equipped with an external atmospheric pressure sensor, an indoor pressure sensor, and a control unit associated with an air propulsion drive.
  • an air propulsion device is equipped with an external atmospheric pressure sensor, an indoor pressure sensor, and a control unit associated with an air propulsion drive.
  • the ability to control the air pressure in the room means the independence of the occupant in the room from atmospheric pressure drops associated with changes in meteorological conditions.
  • the natural diurnal course of pressure, amounting to 1-2 Gy is practically invisible to humans. Dangerous fast-moving active cyclones, the frequency of which varies and sometimes reaches 3-4 per week. In this case, air pressure drops can reach 15 Gy in 3 hours and up to 50 Gy in a day.
  • a device for implementing this method includes an air propulsion device, an external pressure sensor, an internal pressure sensor, an air duct system with valves, and a control unit associated with actuators of the air propulsion device and air duct valves.
  • the air duct system is made in the form of two air ducts in communication with the atmosphere, the end of one of which is placed indoors and made in the form of an air intake, and the end of the other is also placed indoors and made in the form of an air outlet, while the inlet pipe of the air propeller is in communication with the atmosphere, and the outlet by additional air ducts are in communication with both air ducts, and the valve system is made in the form of two valves installed on the air ducts from their ends connected to the atmosphere, as well as two valves installed on additional air ducts.
  • the device can be equipped with an air treatment unit, including means for cleaning and / or heating, and / or cooling, and / or humidification, and / or ionization of the air in the room, while the air treatment unit is installed on the pipeline supplying air to the room.
  • the device can be equipped with a lock a camera installed in the room so that one of its doors is the exit door of the room, and the other is its entrance door, in addition, the lock chamber is equipped with valves to equalize the internal and external air pressure. Valves for balancing the internal and external air pressure can be placed on the doors of the lock chamber, made in the form of bypass holes, overlapped by dampers associated with rotary handles to open the doors of the lock chamber.
  • the objective of the invention is to eliminate the effects of air pressure in the room, selected in accordance with the individual preferences of its occupant, on the structural elements of the building.
  • a method for adjusting the air pressure in a room including forcing and pumping air by means of an air mover, is characterized in that an airtight habitable shell is created inside the room, the air pressure inside the shell is measured and compared with the air pressure in it in accordance with their individual wishes, while in the event of a drop in air pressure in the shell below a predetermined the user of the room values, set the mode of pumping air into the shell for the air mover and increase the air pressure in the shell to a value specified by the user of the room, and if the air pressure in the shell exceeds the value specified by the user of the room, set the mode of pumping air out of the shell for the air mover and reduce the air pressure in the shell to a value specified by the user of the room, while in the space between the outer surface of the shell and the inner surface of the room maintain environmental pressure.
  • a device for implementing the above method comprising an air propulsion device, an external pressure sensor, an internal pressure sensor, a duct system with valves, and a control unit associated with actuators of the air propulsion device and duct valves, is characterized by the combination of power profile elements interconnected to form a power spatial frame on which airtight elements are mounted enti interconnected with the formation of a sealed enclosure, while the sealed enclosure is installed indoors and made with dimensions that ensure the absence of transmission of mechanical stress associated with the regulation of pressure inside the enclosure, from its power frame and other elements to the structural elements of the room, while the system air ducts are made in the form of two air ducts in communication with the atmosphere, the end of one of which is placed inside an airtight shell formed in the premises and is made in an air intake, and the end of the other is also placed inside a sealed enclosure and is made in the form of an air outlet, while the inlet pipe of the air mover is in communication with the atmosphere, and the outlet is connected with both
  • the second independent object of the invention has a number of additional optional features, namely:
  • the device can be equipped with an air treatment unit, including means for cleaning, and / or heating, and / or cooling, and / or humidification, and / or ionization of the air in the room, while the air preparation unit is installed on the pipeline supplying air into the airtight shell;
  • an air treatment unit including means for cleaning, and / or heating, and / or cooling, and / or humidification, and / or ionization of the air in the room, while the air preparation unit is installed on the pipeline supplying air into the airtight shell;
  • valves for balancing the air pressure inside the sealed enclosure and the pressure of the external environment can be placed on the doors of the airlock and are made in the form of bypass holes, overlapped by dampers associated with rotary handles to open the doors of the airlock.
  • Fig. 1 is a general view of the inventive device installed in a room with a lock chamber
  • Fig. 2 is a section through a door of a lock chamber
  • Fig. 3 is a section through a room and elements of a power frame of an airtight shell.
  • a device for adjusting the air pressure in the room includes an air propulsion unit 1, an air treatment unit 2, air ducts 3, valves 4,5,6,7, an external pressure sensor 8, an internal pressure sensor 9, a control unit 10, an air intake 11, an air outlet 12, a lock chamber 13 with an entrance door 14 and an exit door 15.
  • the rotary knobs 16 of the doors 14 and 15 are connected to the shutters blocking the bypass openings 17 for equalizing the air pressure.
  • Inside the room there is a set of power profile elements 18, interconnected to form a power spatial frame, on which are mounted airtight elements 19, interconnected with the formation of a sealed shell 20, which is installed indoors and made with dimensions that ensure the absence of transmission of mechanical stress associated with the regulation of pressure inside the shell, from its power frame and other elements to the structural elements of the room,
  • the claimed method using the claimed device is as follows.
  • the lock chamber 13 is used to relieve air pressure on the door of the room and provide entry and exit from the sealed enclosure 20 in the presence of a difference between the external and internal pressures.
  • the airtight lock chamber 13 is a thin-walled structure, which is part of the power frame of the airtight shell, and has doors 14 and 15 with seals and bypass holes 17.
  • the user when turning the door handle 16, associated with the shutter of the bypass hole 17 of the outer door 15, opens it and the air pressure in the lock chamber 13 is aligned with the outside.
  • the outer door 15 opens without the efforts that would have to be applied if there was a differential pressure.
  • the bypass hole 17 also closes with the door handle 16.
  • the user opens the bypass door 17 of the inner door 14 with the door handle 16, which makes it possible to compare the air pressure in the lock chamber 13 with the air pressure in the airtight shell 20.
  • the inner door 14 of the lock chamber 13 also opens without the efforts that would have to be applied in the event of a differential pressure.
  • the inner door 14 of the lock chamber 13 closes, after which the bypass hole 17 in it closes when the door handle 16. The same processes occur when you exit the airtight shell 20.
  • airtight casing 20 provides for regulated operation of the air propulsion device 1.
  • Its operation mode (in particular, its operating time, volumes of supplied air, created over or under pressure, etc.) is set by the control unit 10.
  • Commands generated the control unit 10 ensure that the above requirements are met taking into account the magnitude of the external pressure and with minimizing the energy consumption for the operation of this pressure control system as a whole.
  • the air entering the sealed enclosure 20 goes through the air conditioning stages provided for by the currently used air conditioning standards. These standards are ensured by the used air preparation unit 2. If the proposed pressure control system is not distributed to the entire building, but to a separate room, this room should have its own separate heating system from the rest of the building, in particular, heating (cooling) of the incoming air.
  • Sensors 8 and 9 transmit their signals to the control unit 10.
  • the controller of the control unit 10 taking into account the user-defined program, generates control signals sent to all controlled elements of the system.
  • the air propulsion device 1 is located, for example, outside the premises.
  • the air intake 9 and the air outlet 12 are arranged, for example, in such a way that they pass in the same window opening, or are spaced along special holes in the window opening or in the outer wall of the room.
  • the injected air through the valve 5 is supplied to the air preparation unit 2, which performs cleaning, heating (cooling) of the supplied air, the establishment of the required humidity of the supplied air, ionization and other possible types of air treatment.
  • the air preparation unit 2 is located in the channel for supplying forced air behind the propulsion unit 1.
  • the propulsion device 1 works to force air into the duct 3.
  • valves 4 and 6 are closed, and valves 5 and 7 are open.
  • the injected air is directed through the air treatment unit 2 into the sealed enclosure 20 and increases the pressure therein to the required value.
  • the outflow of air controlled by the valve 7 from the airtight shell 20 occurs in order to ensure the necessary air exchange according to sanitary standards or the desire of the user. Maintaining a predetermined mode of air pressure is provided by the control unit 10 by coordinating the flow rate of the air supplied by the propulsion device 1 and the flow rate of the outflow regulated by the valve 7.
  • the propulsor 1 operates in the reverse mode, pumping air from the sealed shell 20 through the internal air intake 8. Valves 4 and 6 are open, and valves 5 and 7 are closed.
  • the operating mode of the propulsor 1 should provide the required pressure maintenance mode in the sealed shell 20, taking into account the pressure loss of the air entering through the valve 4, on the air preparation unit 2.
  • the claimed solution in comparison with all known means of a similar purpose ensures the elimination of the effects of air pressure in the sealed enclosure, selected in accordance with the individual preferences of its occupant, on the structural elements of the building, which increases its reliability and service life, and the ability to control air pressure in the sealed enclosure means the independence of the inhabitant in it from atmospheric pressure changes associated with a change in meteorological words.
  • the invention will allow people sensitive to atmospheric pressure drops, while in the room equipped with the proposed device to be protected from the adverse effects of sudden changes in air pressure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Abstract

L'invention concerne le domaine de la ventilation forcée des locaux d'habitation et est destinée à améliorer le confort d'un local en y maintenant un régime de pression d'air régulé. Le dispositif pour réguler la pression d'air dans un local comprend un dispositif de circulation d'air (1), une unité de conditionnement d'air (2), des conduites d'air (3), des soupapes (4, 5, 6, 7), un capteur de pression externe (8), un capteur de pression interne (9), une unité de commande (10), une admission d'air (11), une évacuation d'air (12), une chambre à sas (13) munie d'une porte d'entrée (14) et d'une porte de sortie (15). Les poignées pivotantes (16) des portes (14) et (15) sont reliées aux volets refermant les orifices de circulation (17) pour égaliser la pression d'air. A l'intérieur du local on a disposé un ensemble de profilés de force (18) reliés entre euh de manière à former une carcasse de force spatiale sur laquelle on a monté des éléments imperméables à l'air (19) reliés entre eux de manière à former une enveloppe hermétique (20) qui est montée à l'intérieur du local est possède des dimensions permettant d'assurer l'absence de transmission d'actions mécaniques liées à la régulation de pression à l'intérieur de l'enveloppe depuis sa carcasse de force et d'autres éléments vers les éléments structurels du local. L'utilisation de cette invention en comparaison avec d'autres moyens similaires ayant un but analogue permet d'assurer un meilleur confort de l'enveloppe hermétique habitable grâce à la création d'un régime commandé de maintient de pression d'air à l'intérieur de l'enveloppe. La possibilité de réguler la pression d'air dans l'enveloppe hermétique signifie l'indépendance de son habitant des variations de pression atmosphérique liées aux changements de conditions météo. L'invention permet d'éliminer l'action de la pression d'aire dans l'enveloppe hermétique sur les éléments de construction d'un bâtiment, ce qui augmente sa durée de vie et sa fiabilité, et la possibilité de réguler la pression d'air dans l'enveloppe hermétique signifie l'indépendance de son habitant des variations de pression atmosphérique liées aux changements de conditions météo.
PCT/RU2008/000702 2007-11-08 2008-11-07 Procédé pour réguler la pression d'air dans un local et dispositif pour mettre en oeuvre le procédé correspondant WO2009061237A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2007141530/06A RU2351854C1 (ru) 2007-11-08 2007-11-08 Способ регулировки давления воздуха в помещении и устройство для его осуществления
RU2007141530 2007-11-08

Publications (2)

Publication Number Publication Date
WO2009061237A2 true WO2009061237A2 (fr) 2009-05-14
WO2009061237A3 WO2009061237A3 (fr) 2009-07-23

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PCT/RU2008/000702 WO2009061237A2 (fr) 2007-11-08 2008-11-07 Procédé pour réguler la pression d'air dans un local et dispositif pour mettre en oeuvre le procédé correspondant

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Country Link
RU (1) RU2351854C1 (fr)
WO (1) WO2009061237A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114509202A (zh) * 2021-12-29 2022-05-17 浙江力夫传感技术有限公司 球形压力传感器和使用该传感器的气压控制平衡调节系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4655279A (en) * 1981-02-20 1987-04-07 Harmon Jr Kermit S Temperature control system with programmed dead-band ramp and drift features
RU2258872C2 (ru) * 2002-02-20 2005-08-20 Нешитов Юрий Петрович Способ поддержания давления воздуха в помещении и устройство для его осуществления
RU2294491C2 (ru) * 2004-12-08 2007-02-27 Юрий Петрович Нешитов Способ регулировки давления воздуха в помещении и устройство для его осуществления

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4655279A (en) * 1981-02-20 1987-04-07 Harmon Jr Kermit S Temperature control system with programmed dead-band ramp and drift features
RU2258872C2 (ru) * 2002-02-20 2005-08-20 Нешитов Юрий Петрович Способ поддержания давления воздуха в помещении и устройство для его осуществления
RU2294491C2 (ru) * 2004-12-08 2007-02-27 Юрий Петрович Нешитов Способ регулировки давления воздуха в помещении и устройство для его осуществления

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114509202A (zh) * 2021-12-29 2022-05-17 浙江力夫传感技术有限公司 球形压力传感器和使用该传感器的气压控制平衡调节系统
CN114509202B (zh) * 2021-12-29 2024-04-16 浙江力夫传感技术有限公司 球形压力传感器和使用该传感器的气压控制平衡调节系统

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Publication number Publication date
RU2351854C1 (ru) 2009-04-10
WO2009061237A3 (fr) 2009-07-23

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