EP2261573A1 - Bewegungsbegrenzter luftverteiler mit automatischer ausrichtung gemäss der temperatur der abluft - Google Patents

Bewegungsbegrenzter luftverteiler mit automatischer ausrichtung gemäss der temperatur der abluft Download PDF

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Publication number
EP2261573A1
EP2261573A1 EP08761546A EP08761546A EP2261573A1 EP 2261573 A1 EP2261573 A1 EP 2261573A1 EP 08761546 A EP08761546 A EP 08761546A EP 08761546 A EP08761546 A EP 08761546A EP 2261573 A1 EP2261573 A1 EP 2261573A1
Authority
EP
European Patent Office
Prior art keywords
inner body
pivoting
air
diffuser
mentioned
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08761546A
Other languages
English (en)
French (fr)
Other versions
EP2261573B1 (de
EP2261573A4 (de
Inventor
Jose Tomás SUSARTE TORRIJOS
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.)
Koolair SA
Original Assignee
Koolair SA
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 Koolair SA filed Critical Koolair SA
Publication of EP2261573A1 publication Critical patent/EP2261573A1/de
Publication of EP2261573A4 publication Critical patent/EP2261573A4/de
Application granted granted Critical
Publication of EP2261573B1 publication Critical patent/EP2261573B1/de
Active 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/065—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as cylindrical or spherical bodies which are rotatable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/062—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser having one or more bowls or cones diverging in the flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/144—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with thermoactuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1473—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with cams or levers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature

Definitions

  • the present invention relates to an automatically orientable air diffuser according to the temperature of the discharge air, with limitation of travel, which provides essential features of novelty and considerable advantages with respect to the means known and used for similar purposes in the current state of the art.
  • the invention proposes the development of an air diffuser, particularly a diffuser of the type of those which are used embedded mainly in walls of enclosures to be conditioned, the automatic orientation capacity of which, according to the temperature of the discharge air, allows directing the discharge air with variable inclination angles dependent on said temperature, the design features of which confer operational and functional capacities which are substantially improved and increased with respect to the diffusers of the current art, upon allowing an adjustment, at will, of the pivoting travel of the inner body in charge of such directing, together with a capacity to absorb the stresses and strains which the members performing the push on said pivoting inner body are subjected to, which allows assuring a more precise operation and a more prolonged operational life than in conventional devices.
  • the field of application of the invention is obviously comprised in the industrial sector dedicated to the manufacture and installation of air conditioning apparatuses and devices.
  • diffusers When spaces of considerably dimensions are to be conditioned, it is necessary to use a larger number of diffusers to emit the air at the desired temperature towards the space of the enclosure which is to be conditioned.
  • Several types of diffusers are currently known, from which some types are prepared for their installation in the wall in multiple positions for the purpose of suitably cover the mentioned space which is to be conditioned, whereas other types are prepared for their installation in the wall, likewise in multiple positions along the walls surrounding the considered space.
  • an objective to be fulfilled is providing apparatuses which allow optimally conditioning the space in the best conditions and in the shortest possible time. To that end, it is necessary for the air projected through the diffusers to be emitted to the space with the suitable direction, so that the space is swept more efficiently and the conditioning conditions can be reached as expected.
  • the diffusers include motor-driven position changing mechanisms, for which it is necessary for them to incorporate driving elements of the type of an electrically operated motor, together with transmission mechanisms for communicating the movement to the air passage nozzle, electric power cables, ..., etc. All this makes the installation be complex and expensive, and furthermore make it need frequent maintenance operations.
  • a solution to the aforementioned problems in relation to currently existing air conditioning installations is known in the state of the art and consists of an embodiment of a diffuser which allows a self-adaptation in terms of directing the blast of air, dependent on the temperature of said blast of air passing through the diffuser towards the space of the environment which is to be conditioned.
  • This solution has been proposed by the same proprietor of the present application by means of the invention contained in document U-200601710 , whereby an air diffuser is provided which is automatically oriented according to the temperature reached by the discharge air, such that the blast of cold air can be directed towards the highest areas of the environment, and the blast of hot air can be directed towards the lowest positions.
  • the diffuser has an inner body which can pivot with respect to a central horizontal axis, which in the rest position is always directed towards the highest position due to the action of a spring driving it in that pivoting direction (cold air discharge position), whereas when the temperature of the air passing through said body gradually rises, the longitudinal extension of a heat-expandable element occurs, which element is supported against a lever which it pushes when it expands, and through which the pivoting of the orientable inner body of the diffuser occurs with the consequent change of the direction of the discharge blast.
  • a solution such as the one proposed by the mentioned document is not only a simple and cost-effective embodiment, but also a highly effective way to solve the needs of the state of the art in terms of orientation of the diffuser, automatically and therefore without needing intervention from the outside.
  • the solution proposed by the mentioned prior art document allowed favorably solving the needs inherent to diffusers of this type, it has been observed nevertheless that in certain situations stresses are generated which are derived from the push exerted by the heat-expandable element when the pivoting orientation member has reached the end of the travel, which in certain cases can even cause the breakage of said element.
  • the embodiment which is proposed consists of an air conditioning diffuser, which can automatically orient the discharge blast according to the temperature of the latter, formed by an outer casing and by an inner body attached to the outer casing by means of facing pivoting side anchors according to a horizontal pivoting axis, in which the rest position of said inner body corresponds to an upward orientation as a result of the action of a first retraction spring acting on an articulated lever in said orientable inner body (cold air discharge position), and in which the discharge air passes over a heat-expandable element such that with the increase of the temperature the expansion of said element is caused, whereby a longitudinal rod pushes said articulated lever in the opposite direction to that of the retraction spring, causing the pivoting inner body to be oriented for an air discharge in a downward direction.
  • the mentioned heat-expandable element is assembled in a support such that it is maintained in its operational position as a result of the action of a second spring, such that when the pivoting body reaches the end limit of its travel, the reaction caused on the pushing element causes this second spring to be compressed and thus absorb the dimensional difference caused by the excessive expansion of the heat-expandable element.
  • the unwanted breakage thereof is thus prevented and a perfect operation of the assembly for a more prolonged operational life is assured.
  • the invention has furthermore provided that, in this embodiment, the limit amplitude of the pivoting angle of the inner body can also be adjusted.
  • the incorporation of a mechanical stop means, secured to the casing at a pivoting point and which can be fixed in the chosen position by means of a screw or another element with equivalent features, has been provided.
  • the casing can include means for indicating the chosen limit pivoting angle, associated with the positioning of said stop, and of direct reading.
  • FIG. 1 of the drawings shows an illustrative depiction of an air diffuser of the type described in the prior art document mentioned above, formed by an outer casing 1 prepared to be coupled in a hole of the wall made for that purpose, and an inner body 2 located inside said casing 1 and with the possibility of pivoting with respect to the latter to which it attached at two diametrically opposite anchor points 3 determining a horizontal pivoting axis.
  • Arrow F precisely indicates the rotation capacity of the inner body 2 with respect to the outer casing 1.
  • the diffuser includes an automatic actuation unit, which will be described in greater detail in Figure 4 , assembled in a support arm 4 integral with the outer casing 1 and including a heat-expandable element which, when it expands, frontally pushes on an articulated lever 5 acting on the mentioned inner body 2, forcing it to change position.
  • an automatic actuation unit which will be described in greater detail in Figure 4 , assembled in a support arm 4 integral with the outer casing 1 and including a heat-expandable element which, when it expands, frontally pushes on an articulated lever 5 acting on the mentioned inner body 2, forcing it to change position.
  • the heat-expandable element expands, forwardly pushing with its front end 6 the articulated lever 5, and with the movement thereof, forcing the inner body 2 to pivot and direct the blast of air downwards, as shown in Figure 2 .
  • this pivoting rotation movement of the inner body 2 with respect to the outer casing 1 is limited by a stop element 10 linked to the mentioned casing 1 with the possibility of variable positioning.
  • the stop element 10 has a slit opening 11, the link to the casing being performed at a pivoting point 12 by means of a rivet or the like, and being able to be fixed in the chosen position with the aid of a screw 13 or the like.
  • the casing 1 can in turn include one or more marks 14, either stamped in the wall itself of the casing or printed on a sheet or another adhered element, which inform the user or installer of the maximum degree of travel of the inner body 2 with respect to said outer casing 1.
  • FIG. 4 of the drawings shows a schematic perspective exploded view of the assembly associated with the heat-expandable element.
  • this assembly is formed based on a body which encloses an enclosure delimited by a first element 8 configured in the form of an angle bracket, prepared to be integral with the support arm 4 extended from the casing 1, provided with a hole 8a to allow the passage of the portion 6a of the heat-expandable element, and a second element 15, configured in the form of a C-shaped profile and provided with a hole 15a, arranged such that it faces the position of the hole 8a when the assembly is put together, and intended to allow the passage of the front portion 6 of the heat-expandable element, through a bushing 16, with which the push on the articulated lever 5 is exerted.
  • a first element 8 configured in the form of an angle bracket, prepared to be integral with the support arm 4 extended from the casing 1, provided with a hole 8a to allow the passage of the portion 6a of the heat-expandable element
  • the heat-expandable element has a perimetrically extended thickened portion 6b, intended to provide a support for a spring 17 which is pressed on the portion 6a and which at the opposite end is supported against a bushing 18 provided with a tubular portion sized for its coupling inside the mentioned hole 8a.
  • This spring 17 is in charge of maintaining the heat-expandable element in its most forward position and it is furthermore in charge of absorbing the backward movement of said element when it continues to expand after the inner body 2 has reached the end of its pivoting travel.
  • FIG. 5 a schematic perspective view of a stop element 10 of the type incorporated by the embodiment of a diffuser proposed by the invention can be observed.
  • the configuration chosen for this stop element 10 is in the form of an angle bracket, which in one of the branches includes the hole 12 made in a position close to the end and intended for the passage of a pivoting fixing element, and a slit opening 11 with an inclined positioning with respect to the longitudinal direction of this branch and with sufficient amplitude to allow an adjustment between pre-established limits.
  • this stop element 10 in relation to the opposite branch of this stop element 10, it has an integral extension in the form of a flap, identified with reference number 10a, projected from the edge which faces the pivoting inner body 2 of the diffuser, in which there has been coupled an elastic element 19 against which the mentioned pivoting inner body 2 is supported when, in the position of Figure 2 , it has reached the end of its travel, damping and softening the effect of the contact between both bodies.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Duct Arrangements (AREA)
EP08761546.4A 2008-03-05 2008-05-23 Bewegungsbegrenzter luftverteiler mit automatischer ausrichtung gemäss der temperatur der abluft Active EP2261573B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200800465U ES1067472Y (es) 2008-03-05 2008-03-05 Difusor de aire orientable automaticamente en funcion de la temperatura del aire de salida, con limitacion de recorrido
PCT/ES2008/000300 WO2009109670A1 (es) 2008-03-05 2008-05-23 Disfusor de aire orientable automáticamente en función de la temperatura del aire de salida, con limitación de recorrido

Publications (3)

Publication Number Publication Date
EP2261573A1 true EP2261573A1 (de) 2010-12-15
EP2261573A4 EP2261573A4 (de) 2017-04-19
EP2261573B1 EP2261573B1 (de) 2018-05-02

Family

ID=39357564

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08761546.4A Active EP2261573B1 (de) 2008-03-05 2008-05-23 Bewegungsbegrenzter luftverteiler mit automatischer ausrichtung gemäss der temperatur der abluft

Country Status (4)

Country Link
EP (1) EP2261573B1 (de)
ES (2) ES1067472Y (de)
PT (1) PT2261573T (de)
WO (1) WO2009109670A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014070774A (ja) * 2012-09-28 2014-04-21 Fujitsu General Ltd 空気調和機
CN111238015A (zh) * 2020-01-14 2020-06-05 中国联合网络通信集团有限公司 空调出风装置及空调***

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2280231B1 (de) * 2009-06-15 2018-11-28 Koolair, S.A. Wärmeeinstellbarer Diffusor für Heizungs-/Klimaanlageinstallationen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2698570A (en) * 1951-11-07 1955-01-04 Archie S Feinberg Temperature control air deflecting louver
GB2143028B (en) * 1983-07-01 1986-11-19 Matsushita Electric Ind Co Ltd Discharge direction control device for air conditioner
US4537347A (en) * 1984-03-01 1985-08-27 Noll Robert W Bi-directional air diffuser
US20060172694A1 (en) * 2005-02-03 2006-08-03 Air System Components, L.P. Thermal auto-change air diffuser
KR200394759Y1 (ko) * 2005-06-27 2005-09-05 주식회사 선일엔지니어링 냉난방공기 공급 방향이 자동으로 변환되는 공기조화용디퓨져
JP2007085571A (ja) * 2005-09-20 2007-04-05 Dohwatech Co Ltd 生鮮食料品の卸売市場に於ける低温保持と外気遮断の設備構造
ES1063489Y (es) * 2006-07-19 2007-02-01 Koolair Sa Difusor de flujo de aire para instalaciones de acondicionamient, con orientacion automatica del chorro en funcion de la temperatura del aire de salida
ES1063488Y (es) * 2006-07-19 2007-02-01 Koolair Sa Difusor de aire orientable automaticamente en funcion de la temperatura del aire de salida

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009109670A1 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014070774A (ja) * 2012-09-28 2014-04-21 Fujitsu General Ltd 空気調和機
CN111238015A (zh) * 2020-01-14 2020-06-05 中国联合网络通信集团有限公司 空调出风装置及空调***
CN111238015B (zh) * 2020-01-14 2021-10-01 中国联合网络通信集团有限公司 空调出风装置及空调***

Also Published As

Publication number Publication date
ES1067472Y (es) 2008-08-16
ES1067472U (es) 2008-05-16
EP2261573B1 (de) 2018-05-02
PT2261573T (pt) 2018-05-28
EP2261573A4 (de) 2017-04-19
WO2009109670A1 (es) 2009-09-11
ES2671449T3 (es) 2018-06-06

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