EP0475261A1 - Radiateur - Google Patents

Radiateur Download PDF

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Publication number
EP0475261A1
EP0475261A1 EP91114918A EP91114918A EP0475261A1 EP 0475261 A1 EP0475261 A1 EP 0475261A1 EP 91114918 A EP91114918 A EP 91114918A EP 91114918 A EP91114918 A EP 91114918A EP 0475261 A1 EP0475261 A1 EP 0475261A1
Authority
EP
European Patent Office
Prior art keywords
flow
radiator
heating channels
channel
return
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
EP91114918A
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German (de)
English (en)
Other versions
EP0475261B1 (fr
Inventor
Walter Wilhelm Dietrich
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
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0475261A1 publication Critical patent/EP0475261A1/fr
Application granted granted Critical
Publication of EP0475261B1 publication Critical patent/EP0475261B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F28D1/04—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
    • F28D1/053—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 straight
    • F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05325—Assemblies of conduits connected to common headers, e.g. core type radiators with particular pattern of flow, e.g. change of flow direction
    • 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
    • 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
    • F28D2021/0036—Radiators for drying, e.g. towel radiators

Definitions

  • the invention relates to a radiator with a plurality of heating channels arranged at a distance from one another, which branch off from a distribution channel for the heat transfer medium and open into a collecting channel for the return of the heat transfer medium.
  • a radiator of the type mentioned is already known.
  • This has a plurality of heating channels for the heat transfer medium which are arranged horizontally one above the other in the assembly position and which end with their ends in distribution pipes for the supply and return lines which extend vertically upwards on both sides of the heating channels.
  • the heating pipes are spaced from each other to hang items of laundry such as hand or bath towels.
  • an increased distance for hanging the laundry items can be provided between some pipes.
  • This known radiator can also be equipped with a connection for an electrical heating cartridge, in order to enable drying of the towels even during the summer months when the heating is switched off.
  • a radiator in the form of a railing is known with an upper and a lower distributor pipe, between which connecting pipes are arranged.
  • the lower inflow-side header pipe is interrupted in its longitudinal extent by a pipe closure, so that the heat transfer medium flows into the connecting pipes reaching up to the pipe closure from below upwards to the upper distribution pipe, from where it follows the connecting pipes downstream of the pipe closure in the longitudinal direction of the radiator flows out below.
  • This known railing heater with side-by-side and downstream heating channels arranged one behind the other in the flow direction also has an unfavorable flow geometry combined with a low heating output.
  • the object of the invention is to further develop a radiator of the type mentioned at the outset such that high heat transfer from the heating surface to the room air is achieved with simple manufacture and assembly.
  • a plurality of return-side heating ducts arranged at a lateral distance from one another are provided, which branch off from the collecting duct and flow downstream again into the collecting duct, the heating ducts being arranged inclined relative to the horizontal with a flow direction of the flow-side heating ducts from below to obliquely above and a flow direction of the return-side heating ducts from top to bottom.
  • the oblique arrangement of the heating ducts results in significantly lower flow resistances in the area of their branching and the connection to the distributor or collecting duct than in the case of a right-angled discharge or a right-angled connection of the heating ducts to the supply and discharge pipes.
  • the heat transfer medium flows upwards in the inlet-side distribution channel and reaches the connections of the inlet-side heating channels. Due to the inclined arrangement of the flow-side heating ducts, there is a significantly smaller change in the speed component of the heat transfer medium compared to the right-angled discharge, so that the flow-side heating ducts are evenly acted on and there is also more uniform heat dissipation in this area of the radiator.
  • the heat transfer medium flows downward in the return-side manifold due to the force of gravity, it inevitably reaches the inflow areas of the return-side heating channels arranged below the forward-side heating channels.
  • the heat transfer medium due to the inclination of the heating ducts with respect to the horizontal with flow direction from top to bottom, lower flow resistances occur, so that the return-side heating ducts are evenly flowed through by the heat transfer medium, the heat transfer medium still being able to give off some of its residual heat.
  • the longer residence time of the heat transfer medium results in the radiator per a higher heating output and an improved heat emission by convection.
  • circulation is possible solely by gravity without the use of pumps due to the favorable flow conditions.
  • the radiator is no more difficult to manufacture and assemble than the known radiators.
  • the return-side heating ducts open into a base-side section of the collecting duct.
  • the base section of the collecting duct in the mounting position of the radiator can run horizontally or, like the heating ducts themselves, also obliquely.
  • the distribution channel and the collecting channel with a section on the base form a circumferential flow channel for the heat transfer medium, possibly forming an outer frame. It has been shown that the flow conditions of the heat transfer medium can be further improved by the direct flow connection of the distributor and collecting duct between the connections of the uppermost heating tube in the installed position. In the entire radiator system, i. w. the same pressure ratios. Backflow effects or swirling of the heat transfer medium at the inflow areas of the heating ducts as a result of pressure fluctuations on the inlet side do not occur.
  • the connection area of the throughflow channel between the distributor and collecting channel can be used as an additional design element and can be formed, for example, at an acute angle or trapezoidal.
  • the number of return-side heating channels and / or the free channel cross-section is smaller than those or that of the forward-side heating channels. This makes it possible to ensure that the heat transfer medium i. w. has the same flow rate, which also has a favorable effect on the heating output.
  • the heating channels advantageously run at an angle of 30 to 70 with respect to the horizontal.
  • the throughflow channel or the distributor and / or collecting channel with a section on the bottom side with baffle or sliding devices, such as baffle plates, for forced flow and / or for separating the flow through the forward and return side heating channels is provided.
  • baffle or sliding devices such as baffle plates
  • the flow-through channel can of course be formed, preferably in the area of the connection on the flow side, for receiving an electrical heating device, for example a heating cartridge.
  • an electrical heating device for example a heating cartridge.
  • At least one holder preferably arranged on the flow channel or on the frame and possibly flowed through by the heat transfer medium, is provided for a towel, bath towel or the like.
  • the high heating power and the i. w. Uniform temperature distribution over the entire heating surface of the radiator according to the invention is particularly important in order to achieve rapid drying of the respective towel.
  • the radiator according to the invention can be used not only for wall-side installation, but also, for example, as a room divider in bathrooms, indoor pools or the like.
  • a second radiator element is arranged parallel to the plane defined by the heating ducts with throughflow duct, the heating ducts of which run obliquely from the bottom upwards in the opposite direction to that of the first radiator element.
  • This double arrangement can be used both in radiator elements with between two i. w. Realize vertical sections of the throughflow channel extending heating channels as well as in such embodiments in which the forward and return side heating channels side by side and one behind the other in the flow direction between two i. w. Horizontal distribution channels are arranged.
  • a space heater is created, which has an additional convection component in the heat emission due to the network-like structure of its heating surface and is also characterized by an attractive design.
  • the two radiator units have common connections with heating channels, possibly with connecting channels for the flow and return of the heat transfer medium.
  • This double-part radiator achieves optimum heating output according to a special embodiment of the invention if the heating channels of the two radiator elements crossing each other are designed for an opposite flow direction of the heat transfer medium, the flow-side heating channels of one radiator element overlapping with the return-side heating channels of the second radiator element .
  • the radiator 1 according to FIG. 1 has a circumferential one through-flow channel 3 for the heat transfer medium, which at the same time forms an outer frame 4.
  • the flow-through channel 3 consists of a flow-side distribution channel 3a, a return-side collection channel 3b, which in the embodiment chosen here are connected to one another via an angled upper section, and an i. w. vertically extending collecting duct 3b adjoining basic section 3c, which in turn connects to the distributor duct 3a. Between the i. w. vertically extending distributor and collecting channels 3a, 3b are arranged around 45 heating channels 2 inclined relative to the horizontal.
  • the heating channels 2 are designed as parallel individual tubes which are arranged at a lateral spacing from one another and whose ends open into the throughflow channel 3.
  • the upper part 2a of the heating channels 2 is provided for the flow with a flow direction of the heat transfer medium indicated by arrows with a filled arrowhead from bottom to top, while the lower part 2b of the heating channels 2 is used for the return with flow direction of the heat transfer medium from top to bottom .
  • the return-side heating ducts 2b branch off from the collecting duct 3b in order to flow back into the basic i. w. horizontal section 3c of the throughflow channel 3.
  • the radiator 1 which is to be mounted in its upright position shown in FIG. 1, has in its upper region two holders 6 which are arranged at a lateral distance from one another and protrude at different heights from the heating ducts 2 and on which bath towels, hand towels or the like. can be hung to dry.
  • the brackets 6 are also designed as tubes which end with their ends in the distribution channel 3a and the collecting channel 3b and through which heat transfer medium flows.
  • baffles 5 are provided in the flow-through duct for a forced flow and separation of the flow through the flow-through and return-side heating ducts 2a, 2b.
  • the designs of these baffle plates 5 are shown in FIGS. 2 and 3. Thereafter, the baffle plates 5 have an approximately L-shaped cross section, with one leg welded to the inside of the flow channel 3 and with their leg coming to lie in the cross-sectional plane of the flow channel 3, a small gap to the one boundary wall of the flow channel 3 release to allow air to flow through and thus pressure equalization.
  • a third connection 19 can serve to receive an electrical heating cartridge.
  • a vent valve 21 is provided in the assembly station tion highest point of the flow channel 3, a vent valve 21 is provided.
  • the heating channels 2 which are arranged diagonally with respect to the frame 4, result in a uniform flow of heat transfer medium through the supply and return heating channels 2 a, 2 b.
  • the heat transfer medium entering the radiator 1 via the connection 18 flows vertically upward in the distribution channel 3a, inevitably being distributed over the heating channels 2a branching obliquely upwards from the distribution channel 3a and likewise over the tubular holders 6.
  • the hot heat transfer medium rises in the heating channels 2a, heating the heating channels 2a. Then it is collected in the collecting channel 3b.
  • the now cooled heat transfer medium then flows downward as a result of gravity in the collecting duct 3b, where it now flows through the return-side heating ducts 2b which extend obliquely from below.
  • the heat transfer medium gets into the basic section 3c of the collecting duct 3b and thereby releases part of its still existing thermal energy in order to finally flow back via the connection 17 into the return of a pipe network (not shown) of a central heating system.
  • This circulation of the heat transfer medium indicated by arrows in FIG. 1 causes an i. w. Uniform temperature distribution over the entire heating surface of the radiator 1 and thus also leads to a high heating output with regard to the drying of wet bath towels or the like.
  • a convection of the radiator 1 for heating the room is not impeded by the towels which are hung at a distance from the heating ducts 2 for drying.
  • FIGS. 4 and 5 show an embodiment as a space heater 1 with two heater elements 7, 8 arranged one behind the other, each of which has an outer frame designed as a parallelogram and at the same time serving as a flow channel 20 for the heat transfer medium.
  • the heating channels 9 and 10 extend obliquely from bottom to top, corresponding to the side sections of the respective radiator elements 7 and 8.
  • the two radiator elements 7, 8 are of the same design, but by 180 ° arranged rotated against each other, so that the heating channels 9 of the front radiator element 7 in FIGS. 4 and 5 run obliquely from bottom to top in the opposite direction relative to the heating channels 10 of the rear radiator element 8.
  • Both radiator elements 7, 8 have common connections 11, 12 for the supply and return of the heat transfer medium and are each provided with vent valves 21.
  • baffles 5 are provided in the flow channel 20.
  • both radiator elements 7, 8 have a common connection 11, 12 for forward and return.
  • a first connecting channel 13 is provided for the return-side connection of the heating channels 9, 10 on both sides, which is located between the two heating element elements 7, 8, which are spaced apart, in the region of the lower longitudinal section of their outer frame parts or the corresponding sections of their throughflow channels 20.
  • a second connecting channel 15, which extends from the rear radiator element 8 in FIG. 5, opens into this connecting channel 13.
  • a further connecting channel 16 finally extends into the connecting channel 13, which leads via the front radiator element 7 according to FIG. 5 to the return-side connection 12 and with openings 23 for a flow connection with the return-side heating channels 9 of this front radiator element 7 is provided.
  • the flow-side heating channels 9, 10 of the two radiator elements 7, 8 are connected to one another via a further connecting channel 14 provided with openings 23, which extends through the connecting channel 13 provided for the return between the two radiator elements 7, 8.
  • this has proven to be particularly cheap in the design of the connecting channels 14 to 16 as sleeves provided with openings 23 or bores, the connecting channels 13 and 15 being closed off in a simple manner by means of blind plugs 22.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Central Heating Systems (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
  • Surgical Instruments (AREA)
  • Drying Of Solid Materials (AREA)
EP91114918A 1990-09-04 1991-09-03 Radiateur Expired - Lifetime EP0475261B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE9012618U 1990-09-04
DE9012618 1990-09-04
DE9013092U DE9013092U1 (de) 1990-09-04 1990-09-14 Heizkörper
DE9013092U 1990-09-14

Publications (2)

Publication Number Publication Date
EP0475261A1 true EP0475261A1 (fr) 1992-03-18
EP0475261B1 EP0475261B1 (fr) 1994-06-22

Family

ID=25957125

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91114918A Expired - Lifetime EP0475261B1 (fr) 1990-09-04 1991-09-03 Radiateur

Country Status (5)

Country Link
EP (1) EP0475261B1 (fr)
AT (1) ATE107762T1 (fr)
DE (3) DE9013092U1 (fr)
DK (1) DK0475261T3 (fr)
ES (1) ES2056541T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2292074A (en) * 1994-08-05 1996-02-14 Muriel Colleen Cozier Heated towel rail
AT404405B (de) * 1994-12-07 1998-11-25 Vogel & Noot Waermetechnik Ag Heizkörper mit im wesentlichen rohrartiger zuführung und abführung für ein wärmeträgerfluid
CN113002291A (zh) * 2021-03-16 2021-06-22 安徽工程大学 一种汽车前端集成散热装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT1741U1 (de) * 1995-10-30 1997-10-27 Vogel & Noot Waermetechnik Akt Heizkörper, insbesondere rohrheizkörper, zu- und ablaufrohr für denselben sowie dessen herstellung
DE29618611U1 (de) 1995-10-30 1997-07-24 Vogel & Noot Wärmetechnik AG, Wartberg Heizkörper, insbesondere Rohrheizkörper, Zu- und Ablaufrohr für denselben
AT1850U1 (de) * 1995-10-30 1997-12-29 Vogel & Noot Waermetechnik Akt Verfahren zur herstellung eines wärmeträgermediums-zu- und ausbringungsrohres oder eines ein trennelement im inneren aufweisenden heizrohres eines rohrheizkörpers
BE1010006A3 (nl) * 1996-01-19 1997-11-04 Hafra Naamloze Vennootschap Radiator en werkwijze voor het vervaardigen ervan.
DE19747274A1 (de) * 1997-10-25 1999-04-29 Vasco Nv Röhrenheizkörper mit unterem Anschluß
DE29908737U1 (de) 1999-05-18 1999-11-18 August Brötje GmbH, 26180 Rastede Heizkörper
FR2897675B1 (fr) * 2006-02-22 2008-08-08 Atlantic Ind Soc Par Actions S Radiateur seche-serviettes a plusieurs zones chauffantes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1607172A (en) * 1924-06-10 1926-11-16 Bridgeport Rolling Mills Inc Radiator
FR1027732A (fr) * 1949-11-17 1953-05-15 Fonderie Caffa Radiateur à circulation d'eau et de vapeur pour le chauffage des appartements
DE8311222U1 (de) * 1983-04-15 1983-06-09 John & Co, 7590 Achern Heizkörper
DE8912462U1 (de) * 1989-10-20 1990-01-18 Jansen, Hatto, 4130 Moers Aus mehreren miteinander verschweißten Rohren bestehendes Geländer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1924059U (de) * 1963-10-10 1965-09-23 Otto Gerhard Gelaenderheizkoerper.
CH675293A5 (en) * 1988-03-21 1990-09-14 Arbonia Ag Bathroom radiator for central heating system - has heat exchanger contained within lowermost horizontal pipe of vertically spaced pipe group

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1607172A (en) * 1924-06-10 1926-11-16 Bridgeport Rolling Mills Inc Radiator
FR1027732A (fr) * 1949-11-17 1953-05-15 Fonderie Caffa Radiateur à circulation d'eau et de vapeur pour le chauffage des appartements
DE8311222U1 (de) * 1983-04-15 1983-06-09 John & Co, 7590 Achern Heizkörper
DE8912462U1 (de) * 1989-10-20 1990-01-18 Jansen, Hatto, 4130 Moers Aus mehreren miteinander verschweißten Rohren bestehendes Geländer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2292074A (en) * 1994-08-05 1996-02-14 Muriel Colleen Cozier Heated towel rail
GB2292074B (en) * 1994-08-05 1998-09-09 Muriel Colleen Cozier Heated towel rail apparatus
AT404405B (de) * 1994-12-07 1998-11-25 Vogel & Noot Waermetechnik Ag Heizkörper mit im wesentlichen rohrartiger zuführung und abführung für ein wärmeträgerfluid
CN113002291A (zh) * 2021-03-16 2021-06-22 安徽工程大学 一种汽车前端集成散热装置

Also Published As

Publication number Publication date
DE59101996D1 (de) 1994-07-28
ES2056541T3 (es) 1994-10-01
DE4104078A1 (de) 1992-03-05
DK0475261T3 (da) 1994-11-07
DE9013092U1 (de) 1990-11-08
ATE107762T1 (de) 1994-07-15
EP0475261B1 (fr) 1994-06-22

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