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WO2006095149A1 - Guide de convection et radiateur - Google Patents

Guide de convection et radiateur Download PDF

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Publication number
WO2006095149A1
WO2006095149A1 PCT/GB2006/000783 GB2006000783W WO2006095149A1 WO 2006095149 A1 WO2006095149 A1 WO 2006095149A1 GB 2006000783 W GB2006000783 W GB 2006000783W WO 2006095149 A1 WO2006095149 A1 WO 2006095149A1
Authority
WO
WIPO (PCT)
Prior art keywords
convection
guide
radiator
air
path
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.)
Ceased
Application number
PCT/GB2006/000783
Other languages
English (en)
Inventor
Andrew Taylor
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2006095149A1 publication Critical patent/WO2006095149A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/0233—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/06—Casings, cover lids or ornamental panels, for radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/06—Casings, cover lids or ornamental panels, for radiators
    • F24D19/062—Heat reflecting or insulating shields
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/06—Safety or protection arrangements; Arrangements for preventing malfunction by using means for draining heat exchange media from heat exchangers

Definitions

  • the present invention relates to a convection guide for radiators for heating buildings and in particular central heating radiators, and to a radiator including a convection guide.
  • Central heating systems for heating buildings are well known.
  • central heating systems comprise a plurality of hot water radiators, which radiate thermal energy from water heated in a boiler and circulated around the system.
  • the central heating radiator 10 comprises a radiator portion 12 and a convection guide 14.
  • the radiator portion 12 comprises a conventional fluid baring chamber having a room side radiative surface 16, for radiating thermal energy, from heated water passing through the chamber, to heat a room of a building.
  • the room side surface is horizontally non-planar, being provided with a plurality of vertically oriented elongated ridges and troughs (not shown).
  • the vertical orientation of the ridges and troughs increase the radiative surface area without, in operation, adversely affecting the convection circulation of air over the surface into the room.
  • the efficiency of the radiator is increased compared to purely planar radiative surfaces.
  • the convection guide 14 comprises a plurality of convection conduits 18 provided on a wall side surface 20 of the radiator 10. In operation, air hi the conduits 18 is heated by the radiator 12 and begins to rise under convection. The convected air is channelled upwardly by the conduits, out of open upper ends, to contribute to the circulation of air heated by the radiative surface.
  • radiators including convection guides having a non-continuous surface comprising a plurality of small louvres through which air is allowed to enter the convection conduit. Whilst this slows convection, it does so be allowing cooler air to enter the conduit, which then mixes with the rising air, thus cooling it. Furthermore, the plurality of louvres provides a route via which heat can escape from the desired convection path
  • the present invention provides an improved convection guide suitable for enhancing the efficiency of a radiator.
  • a convection guide for improving the efficiency of a radiator, the guide comprising: at least one guide element having a convection surface for forming a convection path with said radiator, thereby to allow air in said path to be heated by said radiator, and to be guided by said convection surface under convection; wherein, said convection surface is arranged to induce non-linear passage of said heated air over said convection surface.
  • said convection surface is non-planar in the direction of convection.
  • Said guide may comprise means for securing said guide to said radiator.
  • the or each guide element may be configured for insertion into a convection conduit of said radiator.
  • said convection surface comprises a plurality of undulations.
  • At least one undulation may comprise a generally a triangular or 'V shaped cross-section.
  • At least one undulation may comprise a generally arcuate cross-section.
  • Preferably said convection surface is thermally reflective.
  • said convection guide comprises a guide portion for re-directing said heated air non-vertically as said air leaves said conduction path.
  • Said guide portion may be arranged for re-directing said heated air substantially laterally.
  • said convection guide comprises at least two guide elements arranged with respective convection surfaces facing one another, said path being formed by said radiator and said surfaces.
  • a radiator comprising a convection guide according to the first aspect.
  • Figure 1 shows a partial three-dimensional view of a radiator according to the prior art
  • Figure 2a shows a partial three-dimensional view of a radiator including a convection guide according to a first embodiment
  • Figure 2b shows a side view of a radiator including a convection guide according to the first embodiment
  • Figure 3 a shows a partial three-dimensional view of a radiator including a convection guide according to a second embodiment
  • Figure 3b shows a side view of a radiator including a convection guide according to the second embodiment
  • Figure 4a shows a partial three-dimensional view of a radiator including a convection guide according to a third embodiment
  • Figure 4b shows a side view of a radiator including a convection guide according to the third embodiment
  • Figure 4c shows a partial side view of the top of the radiator according to figure 4b;
  • Figure 5 shows a cut-away three-dimensional view of a radiator including a convection guide according to a fourth embodiment
  • Figure 6 shows a three-dimensional view of a convection guide according to a fifth embodiment
  • Figure 7 shows a three-dimensional view of a convection guide according to a sixth embodiment.
  • a radiator having a convection guide according to a first embodiment is shown generally at 100.
  • the radiator 100 comprises a radiator portion 102 and a convection guide 104.
  • the radiator portion 102 comprises a conventional fluid baring chamber having room side and wall side radiative surfaces 106, 108, for radiating thermal energy, from heated fluid passing through the chamber 102, to heat a room of a building.
  • the radiative surfaces 106, 108 are horizontally non-planar, comprising a plurality of vertically oriented elongated ridges 110 and troughs 112 for maximising radiative surface area without, in operation, adversely affecting the convection circulation of air over the room side surface 106 into the room.
  • the convection guide 104 includes anon-planar guide element 114 comprising a plurality of substantially continuous elongated wave like undulations 116 extending longitudinally substantially parallel to the wall side radiative surface 108, and perpendicular to the vertical ridges 110 and troughs 112.
  • the undulations 116 form a substantially continuous non- planar convection surface 118 for guiding convected air, in operation.
  • the guide 104 comprises a sheet of material suitable for providing a thermally reflective convection surface.
  • the material may be aluminium or the like.
  • the material may be a composite material and may comprise a plurality of layers each for enhancing a thermal property of the guide element 112, such as, for example, its reflective and/or insulative properties.
  • the undulations 116 are arcuate resulting in a regular generally sinusoidal cross-section to the guide element 114. It will be appreciated, however, that the cross-section need not be regular and may comprise undulations of different widths/frequency and different heights/amplitude. Furthermore, the cross-section need not be sinusoidal and may comprise any suitable regular or irregular wave pattern, for example, a skewed sinusoidal, sigmoidal or other such pattern.
  • the guide element 114 is located generally vertically adjacent to, and spaced apart from the radiator portion 102, with the convection surface 118 facing the wall side radiative surface 108.
  • the space between the respective surfaces 108, 118 forms a non-linear convection path 120 for guiding heated and convected air in operation.
  • the guide element 114 is secured in position to the wall side surface 108 by suitable fixing means. It will be appreciated, however, that while it is advantageous to secure the convection guide to the radiator portion, the guide may alternatively be secured to a wall in a suitable position relative to a radiator.
  • a radiator having a convection guide according to a second embodiment is shown generally at 200.
  • the radiator 200 comprises a radiator portion 202 and a convection guide 204.
  • the radiator portion 202 comprises a conventional fluid baring chamber having room side and wall side radiative surfaces 206, 208, for radiating thermal energy, from heated fluid passing through the chamber 202, to heat a room of a building.
  • radiator 200 are generally similar to like features described for the first embodiment and they will not be described again in detail other than to highlight differences.
  • the convection guide 204 includes a non-planar guide element 214 comprising a plurality of elongated undulations 216 extending substantially parallel to the wall side radiative surface 208 and perpendicular to vertical ridges 210 and troughs 212.
  • the undulations 216 result in a non-planar convection surface 218 for forming a nonlinear convection path 220 and thus for guiding convected air, in operation, as described previously.
  • the undulations 216 are generally 'V shaped in cross- section resulting in a regular triangular wave cross-section to the guide element 214. It will be appreciated, however, that the cross-section need not be regular and may comprise undulations of different widths/frequency and different heights/amplitude. Furthermore, the cross-section need not be 'V shaped and may comprise any suitable regular or irregular pattern, for example, a sawtooth or other such pattern.
  • a radiator having a convection guide according to a third embodiment is shown generally at 300.
  • the radiator 300 comprises a radiator portion 302 and a convection guide 304.
  • the radiator portion 302 comprises a conventional fluid baring chamber having room side and wall side radiative surfaces 306, 308, for radiating thermal energy, from heated fluid passing through the chamber 302, to heat a room of a building.
  • the convection guide 304 includes a non-planar guide element 314 comprising a plurality of elongated generally sinusoidal wave like undulations 316 extending substantially parallel to the wall side radiative surface 308 and perpendicular to vertical ridges 310 and troughs 312.
  • the undulations 316 result in a non-planar convection surface 318 for forming a non-linear convection path 320 and thus guiding convected air, in operation, as described previously.
  • the convection guide 304 further comprises a generally horizontal shelf portion 322.
  • the shelf 322 extends from an upper end of the guide element 314 over a top of the radiator portion 302 thus forming a lateral component 324 to the convection path 320.
  • heated air initially rises under convection generally vertically but non-linearly guided by a vertical component of the convection path 320 .
  • the convected air is then redirected laterally over the radiator by the lateral component 324 to contribute to circulation of air heated by the radiative surface 306.
  • the shelf portion 322 is located close to the radiator portion such that the lateral component 324 of the convection path 320 is relatively narrow compared with the generally vertical component. Hence, in operation, pressure builds up in the vertical component forcing the redirected air out of the lateral component at a higher relative velocity thereby enhancing the heating effect to the room.
  • FIG 4c a different arrangement of a radiator including a convection guide according to the third embodiment is shown generally at 330.
  • the arrangement is generally similar to that described for the third embodiment having a radiator portion 302 and a convection guide 304 and like parts are given like reference numerals.
  • the alternative arrangement 330 comprises a convection guide 304 having anon-planar guide element 314 having a plurality of undulations 316 of triangular or 'V shaped cross-section similar to the guide element 214 described for the second embodiment.
  • the guide forms a non-linear but generally vertical component of a convection path 320.
  • the guide 304 further includes an upper guide portion 326 extending arcuately from an upper end of the guide element 314 over a top of the radiator portion 302 thus forming a non- vertical component 328 to the convection path 320.
  • heated air initially rises under convection guided by the vertical component of the convection path 320.
  • the convected air is then redirected over the radiator by the non-vertical component 328 to contribute to circulation of air heated by the radiative surface 306.
  • the curvature of the upper guide portion 326 can thus be optimised to maximise its contribution to effeciency.
  • a radiator having a convection guide according to a fourth embodiment is shown generally at 400.
  • the radiator 400 comprises a room side radiator portion 402, a wall side radiator portion 403 , and a convection guide 404.
  • Each radiator portion 402, 403 comprises a conventional fluid baring chamber for radiating thermal energy, from heated fluid passing through the corresponding chamber to heat a room of a building.
  • the room side radiator portion 402 comprises room side and internal radiative surfaces 406, 407.
  • the wall side radiator portion 403 comprises wall side and internal radiative surfaces 408, 409.
  • the radiator portions 402, 403, are aligned generally parallel to and spaced apart from one another with internal radiative surfaces 407, 409 facing one another to form a intermediate convection space 426.
  • the radiator is further provided with a closure 428 configured for capping the convection space 426.
  • the closure 428 is provided with a plurality of apertures 430 for allowing air heated in the intermediate space 426 to escape under convection.
  • the convection guide 404 is provided in the convection space 426 and comprises a plurality of guide elements 414 extending, transversely substantially from one internal surface 407 to the other 409.
  • Each guide element 414 comprises a non-planar sheet comprising a plurality of wave like undulations 416 extending the full transverse width of the element 414.
  • the undulations 416 form two substantially parallel non-planar convection surfaces 418, 419 for guiding heated air, in operation, by convection.
  • the guide elements 414 are regularly placed along the longitudinal length of the radiator to form a plurality of convection paths 420 between respective faces 418, 419, of adjacent elements 414.
  • the guide elements 414 are configured such that the undulations 416 of adjacent elements 414 are substantially parallel.
  • the elements 414 may be arranged in any suitable manner, for example, with the undulations 416 of adj acent elements out of phase such that the elements represent substantial mirror images of one another when viewed in cross-section.
  • the undulations 416 are generally 'V shaped in cross-section similar to those described for the second embodiment, thus resulting in a regular triangular wave cross-section to the guide element 414. It will be appreciated, however, that the cross-section need not be regular and may comprise undulations of different widths/frequency and different heights/amplitude. Furthermore, the cross-section need not ' V shaped and may comprise any suitable regular or irregular pattern, for example, a sawtooth or other such pattern. Furthermore, the undulations may alternatively be arcuate, similar to those described for the first embodiment, thus forming a generally sinusoidal cross-section or the like.
  • guide elements may alternatively be positioned at any suitable angle relative to the general plane of the radiative surfaces.
  • FIG 6 a further embodiment of a convection guide is shown generally at 500.
  • the guide is generally similar to the alternative arrangement of the third embodiment described with reference to figure 4c and will not be described again in detail other than to highlight the main differences.
  • the guide 500 comprises a non-planar guide element 514 having a plurality of undulations 516 of triangular or 'V shaped cross-section forming a convection surface 518, similar to that of the guide element 214 described for the second embodiment.
  • the guide may be arranged to form a non-linear but generally vertical component of a convection path.
  • the guide 500 further includes an upper guide portion 526 extending arcuately from an upper end of the guide element 514, for forming a non- vertical component to the convection path.
  • the convection guide 500 comprises an accessory for a previously installed radiator 502 rather than part of a pre-assembled unit.
  • the guide 500 comprises two fixing apertures ' 530 arranged for mutual engagement with mounting brackets (not shown) on the radiator 502.
  • mounting brackets not shown
  • the any suitable number of fixing apertures 530 maybe used in any suitable arrangement.
  • additional apertures may be provided for allowing the guide to be installed with any of a plurality of standard radiator fittings.
  • the guide 500 maybe fitted to an existing radiator 502 by engaging the mounting brackets of the radiator 502 in the fixing apertures 530.
  • FIG. 7 a further embodiment of a convection guide is shown generally at 600.
  • the guide 600 comprises an accessory for a previously installed radiator 602 having convection conduits 603 similar to the conduits 18 described in the introduction with reference to figure 1.
  • the convection guide 600 comprises a plurality of elongated guide elements 614 located generally adjacent to but spaced apart from one another in the same general plane.
  • the guide 600 is further provided with a connection member 615 from which the guide elements 614 extend.
  • Each guide element 614 comprises an elongated non-planar sheet comprising a plurality of wave like undulations 616 extending the full transverse width of the element 614.
  • the undulations 616 form two substantially parallel non-planar convection surfaces 618, 619 for guiding heated air, in operation, by convection.
  • the guide elements 614 have width and length corresponding respectively to the internal width and height of the conduits 603. Similarly, the elements are spaced apart a distance corresponding to the spacing between adjacent conduits 603.
  • the elements 614 of the convection guide 600 maybe inserted into the conduits 603 of a previously installed radiator 602 to improve the heating contribution made by air convected through the conduits 603 and thus the efficiency of the radiator 602.
  • the elements may be rotated relative to one another, for example with respective convection surfaces facing one another. Such positioning could be used, for example, to make a convection guide suitable for insertion between the internal radiative surfaces of a previously installed twin radiator, similar to that described with reference to figure 5.
  • the convection guides described as part of a single radiator/guide unit may alternatively comprise an accessory for a previously installed radiator.
  • the guides may comprise any suitable means either for fixing the guide to the radiator, or for fixing it to a wall behind the radiator, for example, brackets with screw holes, bolt holes or the like.
  • the convection surface is described as being substantially continuous, the surface may be provided with one or more louvres or apertures
  • the number and configuration of these apertures are preferably optimised to ensure that the air entering the convection path does not significantly negate the positive affect of the undulations.
  • the apertures could form just a small section of each undulation and/or could be included only in a selection of the undulations.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Central Heating Systems (AREA)

Abstract

Cette invention concerne un guide de convection destiné à améliorer l’efficacité du chauffage d’un bâtiment par un radiateur. Le guide comprend au moins un élément de guide ayant une surface de convection pour former une voie de convection avec ledit radiateur, permettant ainsi à l’air dans ladite voie d’être chauffé par ledit radiateur, et d’être guidé par ladite surface de convection par convection. La surface de convection comprend une pluralité d’ondulations sensiblement continues disposées afin d’induire un passage non-linéaire dudit air chauffé sur ladite surface de convection.
PCT/GB2006/000783 2005-03-08 2006-03-06 Guide de convection et radiateur Ceased WO2006095149A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0504754.3 2005-03-08
GB0504754A GB0504754D0 (en) 2005-03-08 2005-03-08 Convection guide and radiator

Publications (1)

Publication Number Publication Date
WO2006095149A1 true WO2006095149A1 (fr) 2006-09-14

Family

ID=34452007

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2006/000783 Ceased WO2006095149A1 (fr) 2005-03-08 2006-03-06 Guide de convection et radiateur

Country Status (2)

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GB (1) GB0504754D0 (fr)
WO (1) WO2006095149A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103673063A (zh) * 2013-12-30 2014-03-26 吴江菀坪隆华机电制造有限公司 一种取暖器导热装置
DK178714B1 (en) * 2015-10-02 2016-11-28 Ribe Jern Holding As RADIATOR AND RADIATOR DEVICE

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1369290A (en) * 1971-12-22 1974-10-02 Dijk E W Van Radiator for central heating systems
WO1988006260A1 (fr) * 1987-02-17 1988-08-25 Hydrotherm Australia Pty. Ltd. Construction de convecteur/radiateur
LU88037A1 (fr) * 1991-11-27 1992-08-25 Vianit Limited Dispositif perfectionne destine a la protection de l'environnement
WO1998009127A1 (fr) * 1996-08-28 1998-03-05 Kermi Gmbh Radiateur
EP1568958A1 (fr) * 2004-02-25 2005-08-31 Zehnder Verkaufs- und Verwaltungs AG Echangeur de chaleur

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1369290A (en) * 1971-12-22 1974-10-02 Dijk E W Van Radiator for central heating systems
WO1988006260A1 (fr) * 1987-02-17 1988-08-25 Hydrotherm Australia Pty. Ltd. Construction de convecteur/radiateur
LU88037A1 (fr) * 1991-11-27 1992-08-25 Vianit Limited Dispositif perfectionne destine a la protection de l'environnement
WO1998009127A1 (fr) * 1996-08-28 1998-03-05 Kermi Gmbh Radiateur
EP1568958A1 (fr) * 2004-02-25 2005-08-31 Zehnder Verkaufs- und Verwaltungs AG Echangeur de chaleur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103673063A (zh) * 2013-12-30 2014-03-26 吴江菀坪隆华机电制造有限公司 一种取暖器导热装置
DK178714B1 (en) * 2015-10-02 2016-11-28 Ribe Jern Holding As RADIATOR AND RADIATOR DEVICE

Also Published As

Publication number Publication date
GB0504754D0 (en) 2005-04-13

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