EP2787287B1 - Convecteur - Google Patents

Convecteur Download PDF

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Publication number
EP2787287B1
EP2787287B1 EP14157559.7A EP14157559A EP2787287B1 EP 2787287 B1 EP2787287 B1 EP 2787287B1 EP 14157559 A EP14157559 A EP 14157559A EP 2787287 B1 EP2787287 B1 EP 2787287B1
Authority
EP
European Patent Office
Prior art keywords
channel
heat exchanger
convector
air
hole
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
EP14157559.7A
Other languages
German (de)
English (en)
Other versions
EP2787287A1 (fr
Inventor
Immo Salge
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.)
Moehlenhoff GmbH
Original Assignee
Moehlenhoff GmbH
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 Moehlenhoff GmbH filed Critical Moehlenhoff GmbH
Priority to PL14157559T priority Critical patent/PL2787287T3/pl
Publication of EP2787287A1 publication Critical patent/EP2787287A1/fr
Application granted granted Critical
Publication of EP2787287B1 publication Critical patent/EP2787287B1/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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/01—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station in which secondary air is induced by injector action of the primary air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
    • 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
    • F24F2221/20—Details or features not otherwise provided for mounted in or close to a window
    • 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
    • F24F2221/40—HVAC with raised floors

Definitions

  • Convector having an elongated, trough-shaped channel with approximately U-shaped cross-section, which has two side walls and a bottom connecting them and in which at a distance from its bottom a heat exchanger for passing a heat carrier is arranged, wherein in the channel at least on one Side of the heat exchanger, an air duct is formed, which is bounded by a heat exchanger located on the partition wall and a side wall of the channel, and in which in this side wall of the channel at least one through hole is attached ( DE 10 2006 051 858 A1 ).
  • Such convectors are used for example as additional heaters for cold air shielding on large windows or unprotected exterior walls of buildings.
  • the mounted in the trough-shaped channel heat exchanger can be heated, for example by means of water or steam. In particular, during the summer with higher temperatures but cold water can also be passed through the heat exchanger for cooling purposes.
  • the structure of the heat exchanger can be arbitrary, as long as it can be arranged in the associated channel.
  • convectors which serve in total for the air conditioning of buildings arranged in rooms. These convectors can be supplied via a mounted in a side wall of the channel opening so-called source air as conditioned air from an external air conditioning system (air conditioning).
  • the convectors can in all cases be installed in corresponding recesses of a floor in the vicinity of a window surface or in front of walls, but also in other positions of a room.
  • the upwardly open channel can be closed with a cover that can be easily removed and replaced for cleaning purposes.
  • a zoned air conditioning system is described, which is constructed in the form of a channel with different sections, which can be installed in the floor of a building.
  • gutter fans are arranged in addition to a variety of other installations.
  • a side wall of the channel has an opening through which source air can enter the channel. The amount of the source air is adjusted by a flap mounted in the channel, which can be adjusted by an electric drive.
  • the convector according to the above-mentioned DE 10 2006 051 858 A1 has a trough-shaped channel divided into three chambers, of which, in the assembled state, a first chamber faces the window surface of a room and a second chamber faces the room itself. Approximately centrally between the first and the second chamber, a heat exchanger is arranged in the upper region of the channel. The third chamber is separated from the second chamber by a partition wall. Source air coming from an external air treatment plant can be passed through an opening in the side wall of the gutter into the second chamber with the interposition of an air distributor, from where it passes into the heat exchanger and exits therefrom as heated air. The source air can alternatively be directed into the third chamber and from there directly into the room.
  • EP 1571402 shows a convector according to the preamble of claim 1.
  • the invention has for its object to simplify the structure of the convector described above and to improve its efficiency.
  • At least one through hole covering the intermediate wall is arranged, which is connected in the upper, the bottom of the channel facing away from the gap with the through hole having side wall thereof, within the channel with increasing distance the side wall having the through-hole extends obliquely downwards in the direction of the bottom of the channel and ends with a small, gap-like distance above the bottom of the channel in relation to the height of the channel.
  • This convector is a simple design because it has only a through hole in a side wall of the channel compared to a conventional convector and only the at least one as an additional component Has intermediate wall.
  • This partition does not hinder the entry of cold air into the duct from the room in which the convector is installed. Rather, it acts as a guiding element for this cold air, because it narrows the air shaft downwards and therefore directs the cold air under the heat exchanger, from where it then rises as heated air.
  • the intermediate wall also acts thanks to the gap-like distance to the bottom of the channel for the optionally supplied through the through-hole source air as a nozzle, which accelerates the source air and also entrained by the same, falling in the duct cold air and conducts with a corresponding volume flow in the heat exchanger. The heating power of the convector is thereby increased.
  • one through-hole can be arranged per section in the side wall of the channel and one intermediate wall within the channel.
  • a free space within the channel passes through the falling in the assembled state of the convector, for example, from a window surface cold air into the gutter, then it is expedient on the bottom of the gutter approximately in middle section of the heat exchanger attached to the same protruding projection, which serves as a barrier to the source air on the one hand and the incident through the free space cold air on the other hand and conducts both air streams in the heat exchanger.
  • the projection is advantageously over the entire length of the heat exchanger.
  • a convector is shown schematically, which has a trough-shaped channel R and arranged in the same heat exchanger W.
  • the channel R has an approximately U-shaped cross section with two mutually parallel side walls 1 and 2 and a bottom connecting the same 3.
  • the channel R consists for example of aluminum or an aluminum alloy. It can be closed at both ends. In use position, the channel R on the side facing away from the bottom 3, for example, be covered by a rolling grate 4, as he in the Fig. 2 and 4 is indicated.
  • the heat exchanger W has, for example, a multiplicity of lamellae arranged parallel to one another, which are arranged on a tube 5, through which a heat carrier is conducted during operation of the convector, for example hot or hot water or steam or also cold water, when a room is cooled shall be.
  • the heat exchanger W can be held in the channel R by transverse walls 6 which are inserted into the channel R and subdivided into sections 7. He is positioned by the transverse walls 6 with a distance to the bottom 3 of the channel R, as it is in Fig. 2 is shown.
  • an air duct 8 is present, while on the other side thereof is a free space 9.
  • the air duct 8 is bounded by the side wall 2 of the channel R and a partition 10 which may abut the heat exchanger W.
  • the free space 9 is bounded by the side wall 1 of the channel R and a partition wall 11, which may also abut the heat exchanger W.
  • Approximately in the middle region of the heat exchanger W is under the same from the bottom 3 of the channel R upwardly projecting projection 12 mounted, which almost hangs up to the heat exchanger W. It can extend approximately over the entire length of the heat exchanger W.
  • the side wall 2 of the channel R are according to the embodiment according to Fig. 3 three through holes 13 attached, the number of which corresponds to the number of sections 7 of the channel R in the illustrated embodiment.
  • the through holes 13 are positioned so that each one through hole 13 is located in a section 7.
  • the side wall 2 of the channel R should have at least one through hole 13. Through the through hole 13 and the through holes 13 is if appropriate, source air is fed into the convector, which is supplied by an external air conditioning system.
  • an intermediate wall 14 is attached, which is connected in the upper, the bottom 3 of the channel R remote from the region of the side wall 2 gap-free with the same.
  • the intermediate wall 14 extends in the channel R obliquely downward with increasing distance to the side wall 2. It ends above the bottom 3 of the channel R, so that according to Fig. 2 between bottom 3 and intermediate wall 14, a gap 15 remains free.
  • at least one intermediate wall 14 should be attached, which is in the amount of a through hole 13. If two or more through holes 13 are mounted in the side wall 2, the intermediate wall 14 may also be divided into a corresponding number of partitions, so that there is an intermediate wall 14 in front of and behind each through hole 13.
  • a heat carrier is passed, so that, for example, heated air in the direction of the arrows P1 rises from the same.
  • heated air in the direction of the arrows P1 rises from the same.
  • free space 9 occurs in the direction of arrow P2 cold air, which falls to the bottom 3 of the channel R, there deflected with limitation by the projection 12 and passed from below into the heat exchanger W.
  • cold air from the room in which the convector is mounted enters the duct 8 in the direction of the arrow P3. It is conducted in the same way as cold air in the free space 9 at the bottom 3 of the channel R in the heat exchanger W.
  • source air in the direction of arrow P4 through the gap 15 in the duct 8 a.
  • the gap 15 acts as a nozzle for the source air, so that the same passes with appropriate acceleration in the air duct 8 and thereby entraining the coming from above cold air (arrow P3). In this way, an increased volume flow of cold air is passed through the heat exchanger W and optionally heated by the same.
  • the heating power of the convector is accordingly increased compared to an operation thereof without additionally supplied source air.
  • the convector can also be operated without additional source air.
  • the heat exchanger W is located on the side wall 1 of the channel R.
  • This convector thus has no free space 9 for receiving cold air. Accordingly, no projection 12 delimiting or deflecting the different air streams is required.
  • the mode of operation of the convector according to FIG. 5 corresponds with respect to the cold air (arrow P3) in the air shaft 8 and the source air (arrow P4) to those according to FIGS Fig. 1 and 2 ,

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (2)

  1. Convecteur présentant une gorge en forme de cuvette allongée de section transversale approximativement en forme de U, qui présente deux parois latérales et un fond les reliant et dans laquelle est disposé un échangeur de chaleur pour guider un fluide caloporteur, à distance de son fond, dans lequel un conduit d'air est formé dans la gorge au moins d'un côté de 1'échangeur de chaleur, lequel est limité par une paroi de séparation disposée au niveau de l'échangeur de chaleur et par une paroi latérale de la gorge, et dans lequel, dans cette paroi latérale de la gorge, est pratiqué au moins un trou traversant, caractérisé en ce qu'au moins une paroi intermédiaire (14) recouvrant le trou traversant (13) est disposée dans le conduit d'air (8), laquelle paroi intermédiaire est connectée dans la région supérieure opposée au fond (3) de la gorge (R) sans interstice à la paroi latérale (2) de celle-ci présentant le trou traversant (13), s'étend obliquement vers le bas à l'intérieur de la gorge (R) avec une distance croissante à la paroi latérale (2) présentant le trou traversant (13) dans la direction du fond (3) de la gorge (R) et se termine à une distance de type interstice, petite par rapport à la hauteur de la gorge (R), au-dessus du fond (3) de la gorge (R).
  2. Convecteur selon la revendication 1, caractérisé en ce qu'une saillie (12) s'étendant de préférence sur toute la longueur de 1'échangeur de chaleur (W) et s'avançant pratiquement jusque contre celui-ci est montée sur le fond (3) de la gorge (R) approximativement dans la région centrale de 1'échangeur de chaleur (W).
EP14157559.7A 2013-03-08 2014-03-04 Convecteur Not-in-force EP2787287B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14157559T PL2787287T3 (pl) 2013-03-08 2014-03-04 Konwektor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013003977.0A DE102013003977A1 (de) 2013-03-08 2013-03-08 Konvektor

Publications (2)

Publication Number Publication Date
EP2787287A1 EP2787287A1 (fr) 2014-10-08
EP2787287B1 true EP2787287B1 (fr) 2015-06-10

Family

ID=50193323

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14157559.7A Not-in-force EP2787287B1 (fr) 2013-03-08 2014-03-04 Convecteur

Country Status (3)

Country Link
EP (1) EP2787287B1 (fr)
DE (1) DE102013003977A1 (fr)
PL (1) PL2787287T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017119199A1 (de) * 2017-08-22 2019-02-28 SLT Schanze Lufttechnik GmbH & Co. Vermögensverwaltungs-KG Vorrichtung und Verfahren für das Konditionieren der Luft eines Raums

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0207718B1 (fr) * 1985-07-05 1990-12-27 Atlas Air (Australia) Pty. Limited Conditionnement de l'air agissant sur une zone limitée
DE102004010738A1 (de) * 2004-03-05 2005-09-22 Ltg Aktiengesellschaft Raumlufttechnische Einrichtung zum Heizen, Kühlen und/oder Belüften eines Raumes sowie entsprechendes Verfahren
DE102004034210B4 (de) * 2004-07-14 2006-04-20 M+W Zander Gebäudetechnik GmbH Verfahren und Vorrichtung zur Belüftung und Temperierung
DE102006051858A1 (de) * 2006-10-31 2008-05-08 Kampmann Gmbh Verfahren zur Klimatisierung eines Raums und Klimatisierungsvorrichtung
DE202011004136U1 (de) * 2011-03-11 2011-06-01 LTG Aktiengesellschaft, 70435 Vorrichtung zum Belüften, Heizen und/oder Kühlen eines Raumes

Also Published As

Publication number Publication date
DE102013003977A1 (de) 2014-09-25
EP2787287A1 (fr) 2014-10-08
PL2787287T3 (pl) 2015-11-30

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