WO1997000414A1 - Heizvorrichtung, insbesondere heizkörper für zentralheizungsanlagen - Google Patents
Heizvorrichtung, insbesondere heizkörper für zentralheizungsanlagen Download PDFInfo
- Publication number
- WO1997000414A1 WO1997000414A1 PCT/EP1996/002648 EP9602648W WO9700414A1 WO 1997000414 A1 WO1997000414 A1 WO 1997000414A1 EP 9602648 W EP9602648 W EP 9602648W WO 9700414 A1 WO9700414 A1 WO 9700414A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat radiation
- radiation surface
- line
- heating device
- heat
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
- F28F1/22—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means having portions engaging further tubular elements
-
- 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
- F28D1/04—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 tubular conduits
- F28D1/047—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 tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0477—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 tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
-
- 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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0035—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for domestic or space heating, e.g. heating 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
- F28F2275/00—Fastening; Joining
- F28F2275/02—Fastening; Joining by using bonding materials; by embedding elements in particular materials
- F28F2275/025—Fastening; Joining by using bonding materials; by embedding elements in particular materials by using adhesives
Definitions
- Heating device in particular radiators for central heating systems
- the invention relates to a heating device, in particular a radiator for central heating systems, with the features listed in the preamble of claim 1 and to a method for producing a heating device as described in claim 18.
- radiators are typical representatives of the heating devices currently used.
- plate radiators respective half cross-sections of a line for receiving and transporting a heating medium, usually water, are currently pressed or stamped into two sheets. The two half-plates are welded together to complete the line for the heating medium.
- the heating devices produced in this way are provided with a covering which has to be clamped on, glued on or fastened in some other way.
- Such heating devices have the disadvantage, among other things, that the production is relatively complex since a lot of energy is required to press the sheets and then weld them together watertight .
- leaks occur and have to be reworked or are even rejects.
- the inspection of the weld seams in a water basin also requires a regular additional work step, which increases the manufacturing costs considerably.
- the pressure resistance of this conventional panel radiator is also in need of improvement.
- the known panel radiators work predominantly with convection heat, i.e.
- convection heat i.e.
- dry warm air is distributed via the movement of the warm air in a room of a building, which, as is known, is not particularly advantageous for the health of the occupants of the room.
- the radiant heat is to be preferred, since the radiant heat conveys a pleasant warmth to the occupants while the room temperature is low.
- Other known radiators which are composed, for example, of individual convection fins, can only be produced with an even higher amount of work and energy, and work with an even higher proportion of convection heat.
- radiators which are designed as so-called base heating strips. Such heating strips are usually attached directly to the floor, like skirting boards in buildings. This type of radiator also works essentially with convection heat and to a lesser extent with direct or indirect radiant heat.
- the direct radiant heat is emitted by the small-area plan areas of the base heating strips facing the room and the greater part of the radiant heat is generated by the rising hot air heating the wall areas above the base heating strip, as a result of which the walls become heat radiators and the radiation surface indirectly increase the base of the strip heater.
- the effectiveness of such base heating strips is only limited if the dimensions of the base heating strips are not increased significantly, which is not possible for aesthetic reasons.
- the rising air flow that sweeps the walls of a room ensures that the walls become discolored in a short time due to dirt particles settling in the rising warm air.
- a heating device and a method to propose a heater that eliminates as far as possible the disadvantages of the prior art; in particular, a heating device and a method for producing a heating device that can be produced easily and without any problems are to be proposed.
- the heating device according to the invention in particular radiators for central heating systems, are based on the fact that the line is designed as a tube which is connected to the heat radiation surface over a large area in a heat-conducting manner.
- a tube which is preferably used endlessly, all processing steps for producing a line for the heating medium are unnecessary.
- the tube-like line only needs to be connected in a heat-conducting manner to a heat radiation surface, for example in the form of a sheet, so that the heat is emitted predominantly in the form of radiant heat from the heat radiation surface.
- the proportion of convection surface is relatively small.
- the tubular line in the form of an oval or elliptical tube is advantageously used in order to be able to enlarge the possible contact area between the tube or the line and the heat radiation surface.
- One of the two long sides of the oval or elliptical tube is brought into contact with the heat radiation surface.
- customary pipes are used for the line, for example made of copper or brass, that is to say round pipes, which are deformed in order to enlarge their contact area with the heat radiation area.
- the pipe-like line to the heat radiation surface as extensively as possible, it can be connected to the heat radiation surface by brazing or by soft soldering. Particularly good thermal contacts can be realized via the solder bridges.
- Another way to increase the heat transfer contact area is to cover the heat radiation area with a suitable profile, e.g. by beads.
- a suitable profile e.g. by beads.
- two or three contact lines or surfaces are obtained between the tubular line and the profile of the heat radiation surface.
- the profile is designed in such a way that it at least partially touches the line in order to perfect the heat transfer between the line and the heat radiation surface. Gluing, soldering or welding or the like can also be useful.
- the cross-section of the deformed pipe or line is designed to be minimal, then air present in the heating element can be removed via the surface tension of the heating medium, for example water.
- the air bubbles contained in the line can then no longer get stuck because the water moves between the air bubbles and the wall of the line and entrains the air bubbles.
- a radiator does not require a ventilation device.
- a particularly advantageous heat utilization of the heat transfer medium, which the invented appropriately trained heater is supplied can be achieved in that the tubular line is formed over a long distance, with line lengths of 5 to 6 m or up to 10 m or more fall in the realistic range.
- the tubular line is laid on the heat radiation surface in such a way that the heat radiation surface can nevertheless have relatively small dimensions.
- the line advantageously runs via detours, for example two-lane spiral, meandering or the like.
- the bending radii for the pipe-like line are to be selected so that the line cross-section does not change in such a way that the pipe bends and thus offers increased flow resistance.
- the tube-like line or the tube in the bending areas is not deformed by pressing or squeezing if the circular cross section is converted into an oval or elliptical or comparable deformed cross section.
- a mounting device should be provided on the heat radiation surface and the line on the line side opposite the heat radiation surface, which is connected to the heat radiation surface and / or the line via at least one, preferably four connecting elements.
- an insulation device can be arranged on the line side between the heat radiation surface and the tubular line, which thermally separates the heating device from a building wall.
- the insulation device can be carried by the mounting device at the same time or mounted separately on the building wall.
- An insulation device is, for example, a plate or mirrored on one or both sides or coated with an aluminum foil Foam or rigid plastic foam or a fiberboard in question.
- the insulation device there can advantageously be a free space between the heat radiation surface with the tubular line and the insulation device, through which air can rise, which heats up during the ascent through the free space, in order to thus provide additional heating power.
- the heat that is absorbed or reflected by the insulation device can also be used to heat a room.
- the free space advantageously has at least one convection body, which guides the air rising in the free space in the direction of the rear of the heat radiation surface with the pipe-like line located thereon, since this will generally be warmer than the surface of the insulation device.
- the temperature difference between the active heating device and the passive insulation device can be taken into account in order to heat an optimal amount of air to a maximum temperature.
- the heat radiation surface can have at least one air passage, in particular if the heat radiation surface for aesthetic reasons extends to the floor of a room of a building, so that otherwise no air could get behind the heat radiation surface.
- a further heating device can be arranged behind the heat radiation surface and the pipe-like line of the heating device, which is mechanically and fluidically connected to the heating device, the heat radiation surface of which can preferably be designed for convection heat output.
- the further heating device can have a heat radiation surface which, for example, has a corrugated or corrugated surface.
- Behind the further heating device for example, the one above mentioned isolation device may be provided.
- the mutually associated supply and return lines of the two associated heating devices can be connected to one another in terms of flow, for example by a soldered connection.
- the heat radiation surface can have an opening through which a valve, a thermostatic valve or the like is accessible for actuation, or through which a corresponding heating fitting protrudes.
- the heat radiation surface should be at least essentially flat, so that it fits seamlessly into the front of a wall and appears optically like part of the wall.
- a heating device in particular according to the invention described above, can be produced by a method in which a heat radiation surface is preferably formed in the form of a sheet which is flat on at least one side.
- a line for a heat transfer medium in particular in the form of a tube, is laid on one side of the heat radiation surface on this heat radiation surface.
- the heat radiation surface and the line are connected to one another in a heat-conducting manner, so that the heat transfer medium flowing through the tube-like line can give off its heat to the heat radiation surface via the tube wall.
- a large number of work steps for forming a line for the heating medium can be avoided simply by using the tube-like line, for example a copper tube.
- the line can be laid on the heat radiation surface before the deformation as well as deformed on the heat radiation surface after the laying.
- the line can be connected to the heat radiation surface by a soldering or gluing process. Both brazing and soft soldering processes, for example with copper solder, can be considered as soldering processes.
- the heat radiation surface and the tube-like line can also be connected to one another by hot melt adhesive.
- a possible welding process consists in covering the heat radiation surface (at least on both sides) and the line with a plastic material and using ultrasound, i.e. can be joined together by ultrasonic welding. There is no visible delay.
- Other connection methods such as inductive welding, the connection by means of microwave energy supply or by means of laser, are also possible, since these connection methods can be used with little or no distortion.
- FIG. 1 shows a first embodiment of a radiator designed according to the invention. pers in the right part of the image in a rear front view and in the left part of the image in a sectional view;
- Figure 2 shows an embodiment of a radiator designed according to the invention in
- Figure 3 shows another embodiment of a radiator according to the present
- FIG. 4 shows a cross-sectional illustration of a connection area between a tubular line and a heat radiation surface.
- the embodiment 10 shown in FIG. 1 has a heat radiation surface 12, for example in the form of a flat sheet, and a tube 14 as a line for a heat transfer medium.
- the tube 14, for example made of copper, has been bent into a closed path which runs in narrow turns.
- the pipe 14 at the bending points 16 should, if possible, be provided with a relatively uncritical bending radius which does not pose any problems in terms of production technology.
- the pipe 14 ends in an inlet and a return 18, 20, via which the heat transfer medium from the central heating system is introduced into the radiator 10 and disposed of therefrom.
- Copper tubes are particularly suitable because they can easily be attached to the plate 12, which is generally made of sheet metal, with excellent heat transfer using hard or soft soldering methods.
- connection fittings on the supply or return line 18, 20 can also be attached particularly well, for example, also by means of soldering or pressing screw connections or the like.
- Pipeline 14 shown with a round cross section.
- a corresponding pipeline can also be provided with an oval or elliptical or otherwise flattened cross-section, which can result in a larger contact area between the pipeline 14 and the plate 12. This improves the heat transfer from the heat transfer medium via the pipe wall to the plate 12.
- a heat-conducting adhesive can also be used, for example a synthetic resin filled with metal powder, in particular copper powder, in the form of a one- or multi-component resin or synthetic resin.
- soldering processes Both brazing and soft soldering processes, for example also with copper solder, can be considered as soldering processes.
- the heat radiation surface and the tube-like line can also be connected to one another by hot melt adhesive.
- a possible welding process consists in that the heat radiation surface (at least on both sides) and the line are covered with a plastic material and connected to one another by means of ultrasound, ie by ultrasound welding. There is no visible delay.
- Other connection methods such as inductive welding, the connection by means of microwave energy supply or by means of laser, are also possible, since these connection methods can be used with little or no distortion.
- a pipe covered with a solder, circular in cross section or deformed can be inserted lying on a plate 12 into a soldering furnace. Of course, other known soldering methods can also be used. As a rule, welding processes do not create a better thermal connection and require a significantly higher production effort.
- the plate 12 can be bent at its ends at an angle, in particular a right angle, so that legs 24a, 24b result which prevent dust and dirt from falling behind the radiator 10 mounted on a wall of a room.
- the legs 24a, 24b can be of different lengths depending on the depth of the radiator 10 and can also be formed with slots or the like in order to allow air circulation behind the plate 12.
- an insulation device 28 can be arranged on the line side, which thermally separates the heating device 10 from a building wall.
- a free space 30 can be provided between the heat radiation surface 12 with the tubular line and the insulation device 28 in order to allow air to circulate.
- the heat radiation surface may have at least one air passage 34 to promote the convection movement of the air.
- a further heating device (not shown) can be arranged, which can be mechanically and fluidically connected to the heating device, the heat radiation surface of the further heating device preferably being designed for convection heat output in order to to increase the performance of the radiator.
- the embodiment of a heater 100 designed according to the invention shown in FIG. 2 is constructed in principle in a manner comparable to embodiment 10.
- the course of the pipe 114 differs from the course of the pipe 14 according to FIG. 1.
- the length of the tube can be varied by varying the course of the tube, while the heat radiation surface or the plate 112 remains unchanged. In this way it is possible, with unchanged external dimensions of the respective radiator 10, 100, 200, to produce radiators with different heating capacities.
- the heating element according to FIG. 1 should have a greater heat output than the heating element according to FIG. 2, since the line 14 according to FIG. 1 is longer than the line 114 according to FIG. 2.
- the tube-like line 114 or the heat radiation surface 112 can have additional radiation and / or convection bodies 142, 232 in order to increase the radiation effect or the convection effect as required (see also FIG. 3).
- the tube-like line 114 can be designed as an oval 114 "or elliptical 114 '" tube 114, which is preferably in heat-conductive contact with the heat radiation surface 112 with one of its at least partially substantially flat surfaces in order to improve the heat transfer and the fastening of the line to facilitate and stabilize.
- the tube-like line can also be a deformed tube 114, 114 '.
- FIG. 3 Another example of a pipe 214 laid differently can be seen in FIG.
- the pipe 214 according to FIG. 3 is laid in three loops, while the pipe 14 according to FIG. 1 is laid in four loops, so that according to FIG. 3 there is less heat transfer from the heating medium to the plate 212.
- the heating power of the heating element 200 should therefore be lower than that of the heating element 10 according to FIG. 1 and greater than that of the heating element 100 according to FIG. 2.
- the free space 30 can accommodate at least one convection body 232 which guides the air rising in the free space in the direction of the rear of the heat radiation surface 212 and the tubular line 214.
- the heat radiation surface 212 may have an opening 236 through which an Valve, thermostatic valve or the like is accessible for actuation.
- FIG. 4 shows a preferred way of a fastening possibility in order to connect a tubular line 214 to a heat radiation surface.
- the line 214 can be inserted into a profile, for example in the form of a bead 213, in order to create the largest possible heat transfer area.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Central Heating Systems (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96922840A EP0834050A1 (de) | 1995-06-19 | 1996-06-19 | Heizvorrichtung, insbesondere heizkörper für zentralheizungsanlagen |
PL96323944A PL323944A1 (en) | 1995-06-19 | 1996-06-19 | Heating appliance in particular a central heating radiator |
SK1739-97A SK173997A3 (en) | 1995-06-19 | 1996-06-19 | Heating device, in particular radiator for central heating installations |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19522193.1 | 1995-06-19 | ||
DE19522193A DE19522193A1 (de) | 1995-06-19 | 1995-06-19 | Heizvorrichtung, insbesondere Heizkörper für Zentralheizungsanlagen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997000414A1 true WO1997000414A1 (de) | 1997-01-03 |
Family
ID=7764689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1996/002648 WO1997000414A1 (de) | 1995-06-19 | 1996-06-19 | Heizvorrichtung, insbesondere heizkörper für zentralheizungsanlagen |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0834050A1 (de) |
CZ (1) | CZ407297A3 (de) |
DE (1) | DE19522193A1 (de) |
PL (1) | PL323944A1 (de) |
SK (1) | SK173997A3 (de) |
WO (1) | WO1997000414A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29703432U1 (de) * | 1997-02-26 | 1997-08-21 | Heiter Uwe | Heizmatte für Marktstände |
DE29715601U1 (de) * | 1997-08-30 | 1998-12-24 | Liedelt D F Velta Prod | Wärmetauscher, insbesondere als Heizungselement |
DE102005001435A1 (de) * | 2005-01-07 | 2006-07-20 | Andreas Link | Absorber für einen thermischen Solarkollektor und Verfahren zum Herstellen eines derartigen Absorbers |
GB2440161C (en) * | 2006-07-19 | 2010-02-17 | Discreteheat Company Ltd | A radiator |
CH708008B1 (de) * | 2013-04-25 | 2016-08-31 | Barcol-Air Group Ag | Klimaelement für eine Heiz- und Kühldecke. |
CN105651076B (zh) * | 2016-03-29 | 2017-06-23 | 枣庄福源环能机械制造有限公司 | 一种采暖散热器 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3021461A1 (de) * | 1980-06-06 | 1981-12-24 | Elpag Ag Chur, Chur | Waermeaustauschelement |
DE3521378A1 (de) * | 1985-06-14 | 1986-12-18 | Walfried Dipl.-Ing. 5400 Koblenz Dost | Waermetauscher in form von rippenrohren |
AT387653B (de) * | 1984-06-29 | 1989-02-27 | Muehlhofer Ferdinand Ing | Raumheizkoerper |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2832961A1 (de) * | 1978-07-27 | 1980-02-14 | Mesa Metallwerke Ernst Sauter | Heizkoerper |
IT209055Z2 (it) * | 1986-12-19 | 1988-09-02 | Eurodomestici Ind Riunite | Scambiatore di calorie con serpentina saldata su una lastra sagomata termodisperdente, in particolare condensatore di circuiti frigoriferi. |
DE8807345U1 (de) * | 1988-06-04 | 1988-07-21 | Santa, Anna Maria, 8900 Augsburg, De |
-
1995
- 1995-06-19 DE DE19522193A patent/DE19522193A1/de not_active Withdrawn
-
1996
- 1996-06-19 PL PL96323944A patent/PL323944A1/xx unknown
- 1996-06-19 CZ CZ974072A patent/CZ407297A3/cs unknown
- 1996-06-19 SK SK1739-97A patent/SK173997A3/sk unknown
- 1996-06-19 EP EP96922840A patent/EP0834050A1/de not_active Withdrawn
- 1996-06-19 WO PCT/EP1996/002648 patent/WO1997000414A1/de not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3021461A1 (de) * | 1980-06-06 | 1981-12-24 | Elpag Ag Chur, Chur | Waermeaustauschelement |
AT387653B (de) * | 1984-06-29 | 1989-02-27 | Muehlhofer Ferdinand Ing | Raumheizkoerper |
DE3521378A1 (de) * | 1985-06-14 | 1986-12-18 | Walfried Dipl.-Ing. 5400 Koblenz Dost | Waermetauscher in form von rippenrohren |
Also Published As
Publication number | Publication date |
---|---|
CZ407297A3 (cs) | 1999-10-13 |
DE19522193A1 (de) | 1997-01-02 |
SK173997A3 (en) | 1998-10-07 |
PL323944A1 (en) | 1998-04-27 |
EP0834050A1 (de) | 1998-04-08 |
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