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EP3032184B1 - Élément d'alimentation en air - Google Patents

Élément d'alimentation en air Download PDF

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Publication number
EP3032184B1
EP3032184B1 EP14196995.6A EP14196995A EP3032184B1 EP 3032184 B1 EP3032184 B1 EP 3032184B1 EP 14196995 A EP14196995 A EP 14196995A EP 3032184 B1 EP3032184 B1 EP 3032184B1
Authority
EP
European Patent Office
Prior art keywords
air
air supply
room
target wall
room space
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.)
Not-in-force
Application number
EP14196995.6A
Other languages
German (de)
English (en)
Other versions
EP3032184A1 (fr
Inventor
Panu Mustakallio
Pawel Borowiecki
László Bejczy-Kovács
Ismo Grönvall
Pekka Vuorimaa
Kim HAGSTRÖM
Kimmo Hyötynen
Risto Kosonen
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.)
Halton Oy
Original Assignee
Halton Oy
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 Halton Oy filed Critical Halton Oy
Priority to EP14196995.6A priority Critical patent/EP3032184B1/fr
Priority to PL14196995T priority patent/PL3032184T3/pl
Publication of EP3032184A1 publication Critical patent/EP3032184A1/fr
Application granted granted Critical
Publication of EP3032184B1 publication Critical patent/EP3032184B1/fr
Not-in-force legal-status Critical Current
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
    • 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
    • F24F7/08—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 with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • 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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F24F11/67—Switching between heating and cooling modes
    • 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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • F24F2007/004—Natural ventilation using convection
    • 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
    • F24F2221/28—Details or features not otherwise provided for using the Coanda effect

Definitions

  • the present invention relates to air supply equipment. Furthermore, the invention discloses an air supply element, a system and a method for supplying air to a room space and removing air from the room space.
  • An air supply element is used to supply and remove air from a room space.
  • the air supply element does not usually comprise a heating and cooling element.
  • the heated or cooled air may be arranged from (an) external air supply unit(s).
  • the first air supply unit may be a central air handling unit in the building for fresh air, which might supply also recirculated air in some ventilation systems, and there also might be a second separate room-specific air heating-cooling unit such as a fan-coil or heat pump, which supplies heated, cooled and recirculated air to the room space.
  • an air supply unit is a combination of the central air handling unit and the fan-coil or heat pump.
  • a separate supply source and a separate removal/exhaust source may operate as independent units.
  • supply and removal/exhaust sources are traditionally static in mixing ventilation; air is supplied from one location and removed/exhausted from another, both most often at the ceiling level.
  • the air removal/exhaust source is usually located at the ceiling level near the opposite wall of the window wall, depending what is easiest for ducting. In that situation, supply air is distributed evenly, generating desired thermal conditions, but due to that and due to the location of the air removal/exhaust source, all heat loads from the window wall are mixed into room air, causing an increased peak cooling demand and a significant horizontal temperature gradient in the room space from the window wall.
  • this traditional air distribution can easily cause temperature stratification and low ventilation effectiveness in the room, when the warm air supply air jet does not reach the lower part of the room space, and the ceiling level air removal/exhaust further decreases the effectiveness by removing warm air.
  • an air supply and remove system comprises upper vents which open into upper portions of rooms and lower vents which open into lower portions of rooms.
  • the upper vents may be used to deliver supply air into the room and the lower vents to remove the air from the room or vice versa.
  • the objective of at least one of the example embodiments is to eliminate or at least alleviate at least some of the problems mentioned above.
  • an air supply element for supplying air into a room space, configured to be installed in connection with the ceiling of the room space.
  • the air supply element comprises a box shaped structure, and a switching device configured to switch the operation mode of the air supply element between a first mode and a second mode in response to the switching device receiving at least one control signal.
  • the air supply element further comprises an inlet chamber for supplying supply air to the room space, wherein the inlet chamber leads to the switching device and comprises at least a first inlet for supplying air into the inlet chamber; the air supply element further comprises an exhaust chamber for receiving room air from the room space, wherein the exhaust chamber leads to the switching device and comprises at least a first outlet for removing at least part of the room air from the exhaust chamber and from the room space.
  • the air supply element comprises a mid plate and inside the box shaped structure, there is provided the switching device, and the switching device and the mid plate separate two chambers in the box shaped structure.
  • the air supply element further comprises a first opening and a second opening separated from each other and leading to the switching device and towards the room space, wherein the switching device is arranged between the chambers and the openings in such a way that in the first mode: the switching device is arranged to connect the inlet chamber to the first opening and the exhaust chamber to the second opening, and in the second mode: the switching device is arranged to connect the inlet chamber to the second opening and the exhaust chamber to the first opening.
  • Connecting a chamber to an opening means, for example, opening a passage between the chamber and the opening, allowing the air flow between the opening and the chamber.
  • the first inlet is arranged to supply circulated air into the inlet chamber.
  • the inlet chamber comprises a second inlet for supplying fresh air to the inlet chamber.
  • supply air further comprises fresh air and circulated air, wherein the supply chamber is arranged to combine the fresh air and the circulated air into supply air in the supply chamber.
  • the first inlet is arranged to receive the circulated air from an air supply unit configured to change the temperature of the circulated air.
  • the exhaust chamber comprises at least a second outlet, wherein the exhaust chamber is arranged to divide the room air between the outlets in such a way that the first outlet is arranged to receive a first part of the room air to be removed from the room space and the second outlet is arranged to receive a second part of the room air to be removed from the exhaust chamber and to be circulated back to the first inlet via the air supply unit.
  • control signal is based on temperature information or occupant control.
  • the switching device is configured to switch the first mode in response to a first control signal caused by a temperature measurement value being larger than a temperature reference value, wherein the switching device is configured to switch the second mode in response to a second control signal caused by the temperature measurement value being smaller than the temperature reference value.
  • the first mode is a cooling mode and the second mode is a heating mode.
  • the switching device further comprises a slotted plate and a slotted base plate below the first slotted plate for enabling part of slots to open and part of slots to close in response to a reciprocating motion of the slotted plate caused by an actuator.
  • the switching device further comprises a slotted plate and a slotted base plate below the first slotted plate for enabling part of slots to open and part of slots to close in response to a reciprocating motion of the slotted plate.
  • the switching device comprises an actuator, which is arranged to reciprocate the slotted plate.
  • the switching device comprises a linear actuator.
  • the switching device comprises an electric motor.
  • the slotted plate comprises plastic.
  • a bottom side of the air supply element is configured to be installed above an object with a variable temperature in the room space. In one embodiment of the air supply element a bottom side of the air supply element is configured to be installed above an object with a variable temperature in the room space, wherein a temperature of an inner side face of the target wall differs substantially from (the) temperature(s) of inner faces of other walls in the room space.
  • a longitudinal side of the air supply element is configured to be installed substantially parallel to a target wall of the room space, wherein the temperature of the target wall varies substantially.
  • a longitudinal side of the air supply element is configured to be installed substantially parallel to a target wall of the room space, wherein the temperature of an inner side face of the target wall varies substantially from (the) temperature(s) of inner faces of other walls in the room space.
  • the target wall is an exterior side wall or a wall comprising a window.
  • the air supply element is arranged to be located above a window of the room space.
  • the air supply element may be arranged to the ceiling near the window wall or exterior side wall or near the wall that has significantly larger temperature variations than other walls of the room. This enables to reduce the feeling of draft.
  • the air supply system comprises a first guiding element configured to be connectable to the first opening, wherein the first guiding element is arranged to be placed at a first distance from the target wall and a second guiding element configured to be connectable to the second opening, wherein the second guiding element is arranged to be placed at a second distance from the target wall, wherein the first distance is further from the target wall than the second distance.
  • the air supply system comprises a first guiding element configured to be connectable to the first opening, wherein the first guiding element is arranged to be placed at a first distance from the target wall, wherein a temperature of an inner side face of the target wall differs substantially from (the) temperature(s) of other inner faces of other walls in the room space, and a second guiding element configured to be connectable to the second opening, wherein the second guiding element is arranged to be placed at a second distance from the target wall, wherein the first distance is further from the target wall than the second distance.
  • the first guiding element in the first mode: is configured to guide the supply air along the ceiling away from the target wall and the second guiding element is configured to receive the room air from the target wall side to be removed.
  • the first guiding element in the second mode: is configured to receive the room air substantially from a side of the room space which is opposite to the target wall to be removed and the second guiding element is configured to guide the supply air towards a floor of the room space.
  • the first guiding element in the second mode: is configured to receive the room air substantially from any other sources other than the target wall to be removed and the second guiding element is configured to guide the supply air towards a floor of the room space.
  • the first diffuser in the second mode: is configured to receive the room air substantially from the room air substantially from a side of the room space which is opposite to the target wall to be removed and the second guiding element is configured to guide the supply air along the ceiling towards the target wall.
  • the target wall is at least one of an exterior side wall and a window wall.
  • the first guiding element comprises a first diffuser and the second guiding element comprises a second diffuser.
  • the first guiding element comprises a first diffuser block and the second guiding element comprises a second diffuser block, wherein the first diffuser block and the second diffuser block are arranged in a divided diffuser.
  • a method for supplying air to a room space and removing air from the room space with the air supply system is provided.
  • the air is supplied and removed by:
  • the air supply element and the air supply system described herein have many significant advantages.
  • the current technology for arranging ventilation supply and exhaust air terminals in the room is based most often on separate devices.
  • supply and exhaust air terminals are integrated into one unit, but without any active components between them changing the direction of air as described above.
  • the benefits of the solutions explained above are for example better indoor climate conditions and energy efficiency in different operating conditions when comparing to the solutions based on the current technology.
  • This is based on optimal operation of supply and exhaust air terminals in cooling and heating conditions, especially when the air supply element is located near the external façade with windows or other heat loads in the room. This reduces the uncomfortable feeling of variable temperatures or draft inside a room space.
  • the air supply can be switched according to outside climate changes. This is advantageous because winter and summer have different needs, which can be taken into account with the air supply element and with the air supply system.
  • Optimal operation in the cooling mode is achieved when cool supply air is directed to a first guiding element, such as a first diffuser, distributing the air along the ceiling away from the target wall, façade or a heat source, and room air is taken from a second guiding element, such as a second diffuser, from the top of the heat load to be delivered to the exhaust chamber and further to be removed from the room space.
  • a first guiding element such as a first diffuser
  • warm supply air is delivered to the second guiding element, such as a second diffuser, which is closer to the target wall or façade that emanates cold.
  • the warm air is directed downwards or against the cold.
  • the warm air is mixed to the room air effectively, creating good and uniform indoor climate conditions. As the warm air is directed downwards against cold, the cold is prevented from spreading along the floor into the room.
  • control of the air supply element is based on occupant control. This may be arranged from a control panel where the occupant can easily change the operation modes and the element switches the operation mode according to the action performed on the control panel. This improves the usability of the air supply element.
  • the control panel may have a screen which illustrates the current operation mode and, therefore, the operating of the air supply element is easy for anyone.
  • the air supply element may be arranged above many different types of objects with a variable temperature.
  • inventions described herein may be used in any combination with each other. Several or at least two of the embodiments may be combined together to form a further embodiment of the invention.
  • a method or a device to which the invention is related may comprise at least one of the embodiments of the invention described hereinbefore.
  • Figures 1a - 1b are schematical example illustrations of an air supply element 1, 1a and an air supply system 14a.
  • Figures 1a and 1b disclose examples of the air supply element 1, 1a for supplying air into a room space 2.
  • the air supply element 1, 1a is configured to be installed in connection with the ceiling 3 of the room space 2. This can be done by attaching it to two guiding elements 8, 9, such as diffusers, or to one diffuser which is divided into a first diffuser block and a second diffuser block.
  • the guiding elements 8, 9 are arranged in such a way that the air supply element 1, 1a may be mounted on top of them and the air supply element 1, 1a is connected to the ceiling 3 via the guiding elements 8, 9.
  • the guiding elements 8, 9 are arranged directly above a target wall 11, which emanates cold or warm depending on the outside temperature.
  • the air supply element 1, 1a of the air supply system 14a, 14b comprises a switching device 10, 10a configured to switch the operation mode of the air supply element 1, 1a between a first mode A and a second mode B in response to the switching device 10, 10a receiving at least one control signal I1, I2, I3.
  • the air supply element 1, 1a further comprises an inlet chamber 4 for supplying supply air L4 to the room space 2, wherein the inlet chamber 4 leads to the switching device 10, 10a and comprises at least a first inlet 12 for supplying circulated air L1 into the inlet chamber 4.
  • the air supply element 1, 1a further comprises an exhaust chamber 5 for receiving room air L2 from the room space 2, wherein the exhaust chamber 5 leads to the switching device 10, 10a and comprises at least a first outlet 13 for removing at least part of the room air L2 from the exhaust chamber 5 and from the room space 2.
  • the air supply element 1, 1a further comprises a first opening 6 and a second opening 7 separated from each other and leading to the switching device 10, 10a and towards the room space 2.
  • the switching device 10, 10a is arranged between the chambers 4, 5 and the openings 6, 7.
  • the opening 6, 7 may be formed as a chamber that has an open passage to lead the airflow out of or in to the chamber.
  • Figure 1a discloses the switching device 10, 10a of the air supply element 1, 1a of the air supply system 14a in the first mode A, wherein the switching device 10, 10a is arranged to connect the inlet chamber 4 to the first opening 6 and the exhaust chamber 5 to the second opening 7.
  • the first guiding element 8 is arranged at a first distance 24 from the target wall 11.
  • the second guiding element 9 is arranged at a second distance 25 from the target wall 11.
  • the length of the second distance 25 varies, and it depends on the size of the guiding elements 8, 9.
  • the first distance 24 is further away from the wall than the second distance 25.
  • the ceiling 3 is arranged at a first height 37 from the floor 29.
  • the first mode A may be used for cooling for example in the summer time.
  • the first guiding element 8 is configured to guide the supply air L4 along the ceiling 3 away from the target wall 11 and the second guiding element 9 is configured to receive the room air L2 from the target wall 11 side to be removed.
  • This feature is advantageous because the heat carried by the rising room air L2 can effectively be removed directly above the heat load emanating from the target wall 11. Further, the cool jet of the supply air L4 is not supplied directly towards the heat load but guided towards the ceiling 2. This enables the air to mix with the air on the opposite side of the room in relation to the target wall 11 and therefore create more uniform conditions in the room space 2.
  • the jet of the supply air L4 was directly guided in a direction of the heat emanating from the target wall 11, the occupant 15 near the target wall 11 might feel a sense of draught. This is eliminated or at least alleviated by guiding the jet of the supply air L4 towards the ceiling 3.
  • Figure 1b discloses the switching device 10, 10a of the air supply element 1, 1a of the air supply system 14a in the second mode B, wherein the switching device 10, 10a is arranged to connect the inlet chamber 4 to the second opening 7 and the exhaust chamber 5 to the first opening 6.
  • the first mode B may be used for heating for example in the winter time.
  • the first guiding element 8 is configured to receive the room air L2 substantially from a side 38 of the room space 2 which is opposite to the target wall 11 to be removed and the second guiding element 9 is configured to guide the flow of the supply air L4 towards the floor 29 of the room space 2.
  • the air supply element 1, 1a is arranged very far away from the target wall 11, for example the second dimension is over 1400mm, it might be more advantageous to direct the supply air L4 towards the floor 29.
  • the jet of the supply air L4 might not have enough force firstly to travel along the ceiling 3 and secondly to travel down to the floor 29 level.
  • FIG 1a and 1b discloses examples of the guiding elements 8, 9.
  • Each guiding element 8, 9 is equipped with a flow deflection element 42a, 42b, 42c.
  • Vanes 28 of the flow deflection element 42a, 42b, 42c are arranged to be adjustable.
  • the round face of the vane 28 guides the supply air L4 under the Coand effect.
  • the supply system 14a, 14b is not limited to those structures of the guiding elements 8, 9 illustrated in Figure 1a and 1b , which are merely presented to illustrate some preferred embodiments of creating the desired guiding effect.
  • Figure 2a discloses an example of the switching device 10, 10a of the air supply element 1, 1a of the air supply system 14b in the first mode A.
  • a second height 41 is further from the floor 29 than the first height 37.
  • the positions of the vanes 28 of the flow deflection element 42c of the second guiding element 9 are set in different positions than in Figure 1a .
  • the operation and the air supply element 1, 1a is otherwise similar to that in Figure 1a .
  • Figure 2b discloses the switching device 10, 10a of the air supply element 1, 1a of the air supply system 14b in the second mode B.
  • the first diffuser 8 is configured to receive the room air L2 substantially from a side 38 of the room space 2 which is opposite to the target wall 11 to be removed and the second guiding element 9 is configured to guide the supply air L4 in the ceiling 3 direction towards the target wall 11.
  • This is advantageous for example when the ceiling is at a higher level than in Figures 1a and 1b .
  • the second height 41 is over 3000mm, it is perhaps more advantageous to guide the flow of supply air L4 towards the target wall 11, because the flow of supply air L4 may gain more force in the floor 29 direction when colliding with the target wall 11.
  • the jet of the supply air L4 can be collided with the target wall 11 in such a way that the supply air L4 can be guided down and mixed with the room air L2 in order to prevent air stratification.
  • FIG 3a - 3b are example illustrations of an air supply element 1.
  • the air supply element 1 is illustrated without a side plate and without a front plate in order to illustrate the internal parts of the air supply element 1.
  • the air supply element 1 disclosed in Figure 3a represents the solution presented in Figures 1a and 2a .
  • the air supply element 1 comprises a box-shaped structure 31. Inside this box-shaped structure 31 there is provided the switching device 10.
  • the switching device and the mid plate 40 separate two chambers 4, 5 in the box-shaped structure 31: an inlet chamber 4 and an exhaust chamber 5.
  • the circulated air L1 is connected to the inlet chamber 4 via the first inlet 12 and fresh air L3 is connected to the inlet chamber 4 via a second inlet 16.
  • the inlet chamber 4 is arranged to combine the fresh air L3 to the circulated air L1 for forming supply air L4 to be supplied to the room space 2.
  • Black slots block the passage of air and slots with no color let air pass through.
  • the supply air L4 can be spread equally in one of the openings 6, 7 by leading the supply air L4 through net plates 33a, 33b.
  • a first dividing plate 32 and the second dividing plate 30 separate the openings 6, 7 from each other.
  • the supply air L4 and its route through the air supply element 1 is indicated with a dash-dot line and an arrow at the end of the dash-dot line.
  • the route of the room air L2 is indicated with a dotted line and arrows.
  • the supply air L4 is led to the first opening 6 and the room air L2 is received from the second opening 7.
  • the first inlet 12 is arranged to receive the circulated air L1 from an air supply unit (not illustrated).
  • the air supply unit is configured to change the temperature of the circulated air L1.
  • the exhaust chamber 5 further comprises at least a second outlet 18, wherein the exhaust chamber 5 is arranged to divide the room air L2 between the outlets 13, 18 in such a way that the first outlet 13 is arranged to receive a first part of the room air L5 to be removed from the room space 2 and the second outlet 18 is arranged to receive a second part of the room air L6 to be removed from the exhaust chamber 5 and to be circulated back to the first inlet 12 via the air supply unit.
  • the air supply element 1 disclosed in Figure 3b represents the example solution presented in Figures 1b and 2b .
  • the structure of the air supply element 1 is the same as in Figure 3a ; the only difference is that the switching device 10 is switched to a different position.
  • the second mode B the supply air L4 is led to the second opening 7 and the room air L1 is received from the first opening 6.
  • Figures 4a - 4b are example illustrations of a switching device 10.
  • Figure 4a discloses the switching device 10 in the first mode A.
  • the switching device 10 comprises a slotted plate 20 and a slotted base plate 22 below the slotted plate 20 for enabling part of the slots 21 to open and part of the slots 21 to close in response to a reciprocating motion of the slotted plate 20.
  • the reciprocating motion is enabled by an actuator 23.
  • the slotted plate 20 has the slots 21 in a different spacing than the slotted base plate 22. By moving the slotted plate 20 left, part of the slots 21 close and part of the slots 21 open.
  • the slots 21 that are closed are represented with a black color. Slots 21 that are open are represented with no color filling.
  • Figure 4b represents the switching device 10 in the second mode B.
  • the slotted plate 20 is in its extreme position on the left.
  • the control signal I1, I2, I3 is arranged to the actuator 23, which is powered to move the slotted plate 20 according to the control signal I1, I2, I3.
  • the switching device 10 is configured to switch the first mode A in response to a first control signal I1 caused by a temperature measurement value being larger than a temperature reference value, wherein the switching device 10 is configured to switch the second mode B in response to a second control signal I2 caused by the temperature measurement value 11 being smaller than the temperature reference value 9.
  • the first control signal I1 and the second control signal I2 may be the same control signals if the actuator 23 is arranged to know in which direction it should be actuated.
  • the first mode A is a cooling mode and the second mode B is a heating mode.
  • the actuator 23 can be for example a linear actuator.
  • FIG 5 is a schematical example illustration of an air supply element 1a.
  • the air supply element 1a is illustrated without a side plate, without a front plate and without a top plate in order to illustrate the internal parts of the air supply element 1a.
  • Figure 5 discloses another type of a switching device 10a.
  • the switching device 10a is illustrated in the first mode A.
  • the switching device 10a comprises a first flap 34 and a second flap 35, which are arranged on a common shaft 36 perpendicularly in relation to each other.
  • the route of the supply air L4 and room air L2 is similar to the solution disclosed in Figure 3a .
  • the first flap 34 is arranged so that the supply air L4 route from the inlet chamber 4 to the first opening 6 is open in the first mode A.
  • the second flap 35 closes the first opening 6 and at the same time enables the room air L2 to be led from the second opening 7 to the exhaust chamber 5 and further to be removed via the outlets 18, 26 in the first mode A.
  • the fresh air L3 and the circulated air are similarly supplied to the inlet chamber 4 as in Figure 3a via inlets 16, 12.
  • the position of the flaps in the second mode B is illustrated with dash-dot lines and arrows. This can be accomplished by rotating the common shaft 36 anticlockwise as represented with arrows at the outer end of the flaps 34, 35.
  • the actuator 23 can be a bi-directional electric motor, for instance.
  • the control signal I1, I2, I3 is similarly led to the actuator 23 as in Figure 3a .
  • An additional solution is to have one actuator (not illustrated) for each of the flaps 34, 35, and the flaps 34, 35 may be operated separately from each other (not illustrated).
  • Figure 6 is an example illustration of an air supply system 14a in the first mode A.
  • the first mode A represents a cooling mode for example in the summer time.
  • Figure 6 represents the solution illustrated in Figure 1a and comprises the air supply element 1 disclosed in Figure 3a .
  • the air supply system 14a comprises the first guiding element 8, which is configured to be connected to the first opening 6.
  • the first guiding element 8 is arranged to be placed at a first distance 24 from the target wall 11.
  • the air supply system 14a comprises a second guiding element 9, which is configured to be connected to the second opening 7.
  • the second guiding element 9 is arranged to be placed at a second distance 25 from the target wall 11, wherein the first distance 24 is further from the target wall 11 than the second distance 25.
  • the first guiding element 8 is configured to guide the supply air L4 along the ceiling 3 away from the target wall 11 and the second guiding element 9 is configured to receive the room air L2 from the target wall 11 side to be removed.
  • the guiding elements 8, 9 can be two different diffusers or one diffuser which is divided in the middle by the second dividing plate 30.
  • Figure 7 is an example illustration of an air supply system 14a in the second mode B.
  • the second mode B represents a heating mode for example in the winter time.
  • Figure 7 represents the solution illustrated in Figure 1b and comprises the air supply element 1 disclosed in Figure 3b .
  • the first guiding element 8, such as a first diffuser (block) is configured to receive the room air L2 substantially from a side 38 of the room space 2 which is opposite to the target wall 11 to be removed and the second guiding element 9, such as a second diffuser (block), is configured to guide the supply air L4 towards a floor 29 of the room space 2.
  • Figure 8 is an example illustration of an air supply system 14b in the second mode B.
  • the second mode B represents a heating mode for example in the winter time.
  • Figure 7 represents the solution illustrated in Figure 2b and comprises the air supply element 1 disclosed in Figure 3b .
  • the first guiding element 8, such as a first diffuser (block) is configured to receive the room air L2 substantially from a side 38 of the room space 2 which is opposite to the target wall 11 to be removed and the second guiding element 9, such as a second diffuser (block), is configured to guide the supply air L4 in the ceiling 3 direction towards the target wall 11.
  • the operation mode A, B can be switched according to the control signal I1, I2 or by an occupant 15.
  • the occupant 15 can control the switching device 1 from a control panel 19 configured to send a third control signal 13.
  • An air supply unit 17 is configured to supply heated or cooled circulated air L1.
  • a control unit 22 of the air supply unit 17 compares the outside temperature to a reference value and determines whether the switching device 10 should be switched to the first mode A or to the second mode B.
  • the control signal I1, I2 may be based on temperature information. Part of the room air L2 coming from the exhaust chamber 5 can be recirculated back to the inlet chamber 4 via the air supply unit 17.
  • the system may comprise at least one processor and a memory storing instructions that, when executed, cause creating, sending, receiving of the control signal or executing a function.
  • the control signal may be created and sent from the control panel 19 to the control unit 22.
  • the control signal may be an electronic signal causing the actuator 23 to switch operation mode.
  • a bottom side 39 of the air supply element 1, 1a is configured to be installed above an object with a variable temperature 11 in the room space 2.
  • a longitudinal side 26 of the air supply element 1, 1a is configured to be installed substantially parallel to the target wall 11 of the room space 2, wherein the temperature of the target wall 11 varies substantially as it is affected by outside climate changes.
  • the target wall 11 can be an exterior side wall or a wall comprising a window 27.
  • the air supply element 1, 1a and the air supply system 14a, 14b may preferably be located above a window 27 of the room space 2 if the target wall 11 is equipped with the window 27. If the room space 2 is located in a corner with two exterior walls, the air supply element 1, 1a and the air supply system 14a, 14b may be preferably arranged closer to the wall that is the window wall.
  • Figures 6 to 8 disclose a method for supplying air to a room space 2 and removing air from the room space 2 with the air supply system 14, 14b.
  • the air is supplied and removed by:
  • inventions described herein may be used in any combination with each other. Several or at least two of the embodiments may be combined together to form a further embodiment of the invention.
  • a method or a device to which the invention is related may comprise at least one of the embodiments of the invention described hereinbefore.

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  • Combustion & Propulsion (AREA)
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  • General Engineering & Computer Science (AREA)
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Claims (20)

  1. Elément d'alimentation en air (1, 1a) pour l'alimentation en air d'un espace de pièce (2), configuré pour être installé en liaison avec le plafond (3) de l'espace de pièce (2), caractérisé en ce que l'élément d'alimentation en air (1, 1a) comprend
    - une structure en forme de boîte (31) ;
    - un dispositif de commutation (10, 10a) configuré pour commuter le mode de fonctionnement de l'élément d'alimentation en air (1, 1a) entre un premier mode (A) et un second mode (B) en réponse au dispositif de commutation (10, 10a) recevant au moins un signal de commande (I1, I2, I3) ;
    - une chambre d'entrée (4) pour l'alimentation en air d'alimentation (L4) de l'espace de pièce (2), dans lequel la chambre d'entrée (4) mène au dispositif de commutation (10, 10a) et comprend au moins une première entrée (12) pour l'alimentation en air de la chambre d'entrée (4) ;
    - une chambre d'échappement (5) pour la réception de l'air ambiant (L2) de l'espace de pièce (2), dans lequel la chambre d'échappement (5) mène au dispositif de commutation (10, 10a) et comprend au moins une première sortie (13) pour le retrait d'au moins une partie de l'air ambiant (L2) de la chambre d'échappement (5) et de l'espace de pièce (2) ;
    - une plaque médiane (40) ;
    dans lequel dans la structure en forme de boîte (31) il est prévu le dispositif de commutation (10, 10a), et le dispositif de commutation (10, 10a) et la plaque médiane (40) séparent deux chambres (4, 5) dans la structure en forme de boîte (31) ;
    l'élément d'alimentation en air (1, 1a) comprend en outre
    - une première ouverture (6) et une seconde ouverture (7) séparées l'une de l'autre et menant au dispositif de commutation (10, 10a) et vers l'espace de pièce (2),
    dans lequel le dispositif de commutation (10, 10a) est agencé entre les chambres (4, 5) et les ouvertures (6, 7) de telle manière que
    - dans le premier mode (A) : le dispositif de commutation (10, 10a) soit agencé pour raccorder la chambre d'entrée (4) à la première ouverture (6) et la chambre d'échappement (5) à la seconde ouverture (7), et
    - dans le second mode (B) : le dispositif de commutation (10, 10a) soit agencé pour raccorder la chambre d'entrée (4) à la seconde ouverture (7) et la chambre d'échappement (5) à la première ouverture (6).
  2. Elément d'alimentation en air (1, 1a) selon la revendication 1, caractérisé en ce que la première entrée (12) est agencée pour l'alimentation en air circulé (L1) de la chambre d'entrée (4).
  3. Elément d'alimentation en air (1, 1a) selon la revendication 1 ou 2, caractérisé en ce que la chambre d'entrée (4) comprend une seconde entrée (16) pour l'alimentation en air frais (L3) de la chambre d'entrée (4).
  4. Elément d'alimentation en air (1, 1a) selon les revendications 2 et 3, caractérisé en ce que l'air d'alimentation (L4) comprend en outre de l'air frais (L3) et de l'air circulé (Ll), dans lequel la chambre d'alimentation (4) est agencée pour combiner l'air frais (L3) et l'air circulé (L1) en air d'alimentation (L4) dans la chambre d'alimentation (4).
  5. Elément d'alimentation en air (1, 1a) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la première entrée (12) est agencée pour recevoir de l'air circulé (L1) d'une unité d'alimentation en air (17) configurée pour changer la température de l'air circulé (L1).
  6. Elément d'alimentation en air (1, 1a) selon la revendication 5, caractérisé en ce que la chambre d'échappement (5) comprend en outre au moins une seconde sortie (18), dans lequel la chambre d'échappement (5) est agencée pour diviser l'air ambiant (L2) entre les sorties (13, 18) de telle manière que la première sortie (13) soit agencée pour recevoir une première partie de l'air ambiant (L5) à retirer de l'espace de pièce (2) et la seconde sortie (18) soit agencée pour recevoir une seconde partie de l'air ambiant (L6) à retirer de la chambre d'échappement (5) et à amener en circulation arrière vers la première entrée (12) via l'unité d'alimentation en air (17).
  7. Elément d'alimentation en air (1, 1a) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le signal de commande (I1, I2, I3) est basé sur au moins une d'une information de température et commande de l'occupant.
  8. Elément d'alimentation en air (1) selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le dispositif de commutation (10, 10a) comprend en outre une plaque fendue (20) et une plaque de base fendue (22) sous la plaque fendue (20) pour permettre à une partie des fentes (21) d'ouvrir et à la partie des fentes (21) de fermer en réponse à un mouvement alternatif de la plaque fendue (20) causé par un actionneur (23).
  9. Elément d'alimentation en air (1, 1a) selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'un côté inférieur (39) de l'élément d'alimentation en air (1, 1a) est configuré pour être installé au-dessus d'un objet avec une température variable (11) dans l'espace de pièce (2).
  10. Elément d'alimentation en air (1, 1a) selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'un côté longitudinal (26) de l'élément d'alimentation en air (1, 1a) est configuré pour être installé sensiblement parallèlement à une paroi cible (11) de l'espace de pièce (2), dans lequel la température de la paroi cible (11) varie sensiblement.
  11. Elément d'alimentation en air (1, 1a) selon l'une quelconque des revendications 1 à 10, caractérisé en ce que la paroi cible (11) est une paroi latérale extérieure ou une paroi comprenant une fenêtre (27).
  12. Elément d'alimentation en air (1, 1a) selon l'une quelconque des revendications 1 à 11, caractérisé en ce que l'élément d'alimentation en air est agencé pour être situé au-dessus d'une fenêtre (27) de l'espace de pièce (2).
  13. Système d'alimentation en air (14a, 14b) comprenant l'élément d'alimentation en air (1, 1a) selon l'une quelconque des revendications 1 à 12, caractérisé en ce que le système d'alimentation en air (14a, 14b) comprend en outre
    - un premier élément de guidage (8) configuré pour être raccordable à la première ouverture (6), dans lequel le premier élément de guidage (8) est agencé pour être placé à une première distance (24) de la paroi cible (11) et
    - un second élément de guidage (9) configuré pour être raccordable à la seconde ouverture (7), dans lequel le second élément de guidage (9) est agencé pour être placé à une seconde distance (25) de la paroi cible (11), dans lequel la première distance (24) est plus loin de la paroi cible (11) que la seconde distance (25).
  14. Système d'alimentation en air (14a, 14b) selon la revendication 13, caractérisé en ce que dans le premier mode (A) : le premier élément de guidage (8) est configuré pour guider l'air d'alimentation (L4) le long du plafond (3) loin de la paroi cible (11) et le second élément de guidage (9) est configuré pour recevoir l'air ambiant (L2) du côté de la paroi cible (11) à retirer.
  15. Système d'alimentation en air (14a) selon la revendication 13 ou 14, caractérisé en ce que dans le second mode (B) : le premier élément de guidage (8) est configuré pour recevoir l'air ambiant (L2) sensiblement d'un côté (38) de l'espace de pièce (2) qui est opposé à la paroi cible (11) à retirer et le second élément de guidage (9) est configuré pour guider l'air d'alimentation (L4) vers un sol (29) de l'espace de pièce (2).
  16. Système d'alimentation en air (14b) selon la revendication 13 ou 14, caractérisé en ce que dans le second mode (B) : le premier élément de guidage (8) est configuré pour recevoir l'air ambiant (L2) sensiblement d'un côté (38) de l'espace de pièce (2) qui est opposé à la paroi cible (11) à retirer et le second élément de guidage (9) est configuré pour guider l'air d'alimentation (L4) dans la direction du plafond (3) vers la paroi cible (11).
  17. Système d'alimentation en air (14a, 14b) selon la revendication 13, caractérisé en ce que la paroi cible (11) est au moins une parmi une paroi latérale extérieure et une paroi de fenêtre.
  18. Système d'alimentation en air (14a, 14b) comprenant l'élément d'alimentation en air (1, 1a) selon l'une quelconque des revendications 1 à 12, caractérisé en ce que le premier élément de guidage (8) comprend un premier diffuseur et le second élément de guidage (9) comprend un second diffuseur.
  19. Système d'alimentation en air (14a, 14b) comprenant l'élément d'alimentation en air (1, 1a) selon l'une quelconque des revendications 1 à 12, caractérisé en ce que le premier élément de guidage (8) comprend un premier bloc diffuseur et le second élément de guidage (9) comprend un second bloc diffuseur, dans lequel le premier bloc diffuseur et le second bloc diffuseur sont agencés dans un diffuseur divisé.
  20. Procédé d'alimentation en air d'un espace de pièce (2) et de retrait de l'air de l'espace de pièce (2) avec le système d'alimentation en air (14a, 14b) selon l'une quelconque des revendications 13 à 17, caractérisé en ce que le procédé comprend :
    - le guidage de l'air d'alimentation (L4) le long du plafond (3) loin de la paroi cible (11) avec le premier élément de guidage (8) et la réception de l'air ambiant (L2) du côté de la paroi cible (11) pour son retrait avec le second élément de guidage (9) en réponse au premier mode (A),
    - la réception de l'air ambiant (L2) sensiblement d'un côté (38) de l'espace de pièce (2) qui est opposé à la paroi cible (11) pour son retrait avec le premier élément de guidage (8) et le guidage de l'air d'alimentation (L4) vers un sol (29) de l'espace de pièce (2) ou dans la direction du plafond (3) vers la paroi cible (11) avec le second élément de guidage (9) en réponse au second mode (B).
EP14196995.6A 2014-12-09 2014-12-09 Élément d'alimentation en air Not-in-force EP3032184B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14196995.6A EP3032184B1 (fr) 2014-12-09 2014-12-09 Élément d'alimentation en air
PL14196995T PL3032184T3 (pl) 2014-12-09 2014-12-09 Element doprowadzający powietrze

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14196995.6A EP3032184B1 (fr) 2014-12-09 2014-12-09 Élément d'alimentation en air

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EP3032184A1 EP3032184A1 (fr) 2016-06-15
EP3032184B1 true EP3032184B1 (fr) 2019-03-06

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CN114151901B (zh) * 2021-11-13 2023-01-13 北京工业大学 一种基于多风口通风模块的室内适应性通风系统及方法

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SE440275B (sv) * 1979-03-21 1985-07-22 Svante Thunberg Vermevexlare till anleggningar for ventilering av lokaler
KR100628078B1 (ko) * 2005-02-15 2006-09-26 엘지전자 주식회사 환기시스템
JP4311489B2 (ja) * 2007-06-12 2009-08-12 ダイキン工業株式会社 調湿装置
US20100258642A1 (en) * 2008-09-22 2010-10-14 Newcomer Douglas A Enviromental control systems and methods of configuring environmental control systems
US20130281000A1 (en) * 2012-04-23 2013-10-24 Douglas A. Newcomer Environmental control systems and methods of configuring environmental control systems

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PL3032184T3 (pl) 2019-09-30

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