EP0982164A2 - Dispositif de chauffage pour un système d'air chaud - Google Patents

Dispositif de chauffage pour un système d'air chaud Download PDF

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Publication number
EP0982164A2
EP0982164A2 EP99116564A EP99116564A EP0982164A2 EP 0982164 A2 EP0982164 A2 EP 0982164A2 EP 99116564 A EP99116564 A EP 99116564A EP 99116564 A EP99116564 A EP 99116564A EP 0982164 A2 EP0982164 A2 EP 0982164A2
Authority
EP
European Patent Office
Prior art keywords
heating element
heating
housing
supply air
heating device
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
EP99116564A
Other languages
German (de)
English (en)
Other versions
EP0982164A3 (fr
EP0982164B1 (fr
Inventor
Anette Waltraud Thesz-Freimuth
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.)
THESZ FREIMUTH ANETTE WALTRAUD
Original Assignee
THESZ FREIMUTH ANETTE WALTRAUD
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 THESZ FREIMUTH ANETTE WALTRAUD filed Critical THESZ FREIMUTH ANETTE WALTRAUD
Publication of EP0982164A2 publication Critical patent/EP0982164A2/fr
Publication of EP0982164A3 publication Critical patent/EP0982164A3/fr
Application granted granted Critical
Publication of EP0982164B1 publication Critical patent/EP0982164B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
    • F24H3/062—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators using electric energy supply; the heating medium being the resistive element
    • 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
    • F24D5/00—Hot-air central heating systems; Exhaust gas central heating systems

Definitions

  • the present invention relates to a heating device for a warm air heating system with a housing that has a connection section for connection to a supply air from the heating system to one to be heated
  • Space-leading supply air pipe comprises, wherein a heating element in the housing arranged to heat the air transported through the supply air pipe is.
  • Heaters of this type are usually placed between two pipe sections of the supply air pipe used, so that of the warm air heating system coming air through the heating element arranged in the housing flows through, being heated and then into the another pipe section of the supply air pipe occurs. From there it gets too led to the room to be heated, where it has an air outlet enters this.
  • the Housing of the heater For connection to the pipe sections of the supply air pipe, the Housing of the heater usually two tubular connecting pieces either attached to the ends of the pipe section of the supply air pipe or be introduced into it. Then a final fixation the heating device at the pipe ends of the supply air pipe with tensioning straps respectively.
  • a disadvantage of the known heating devices is that after the Installation of the heating element arranged in the housing practically not is more accessible. This is all the more true since the supply air pipe is together usually laid within a cavity wall with the heating device is, so that after the installation has already been made access to the heating device is no longer possible. An access to that inside the case the heating element arranged in this case is with very expensive.
  • the housing as a pipe end piece with a Air outlet opening is formed through which through the supply air pipe transported supply air is released into the room to be heated, that the heating element is releasably secured in the housing and that Heating element through the air outlet opening from the housing can be removed and inserted into the housing.
  • the housing of the heating device as a pipe end piece is easily ensured that this is within the housing arranged heating element not anywhere within the Cavity wall in the area between the warm air heating system and the outlet opening, but arranged directly in the area of the outlet opening is.
  • the repaired heating element or a replacement heating element can then again inserted into the housing through the air outlet opening and be attached there.
  • the heating device designed according to the invention thus ensures that in a simple manner and without the need in the Wall must have a separate opening, a defective heating element can be exchanged. Beyond that there is no expansion of the heater housing required so that the appropriate Maintenance work can be further simplified.
  • both the heating element and the air outlet opening are so designed in their shape and size that the Heating element fits through the air outlet opening. It is also the shape of the housing of the heating device, especially in the case of an angular one Training to choose so that a problem-free removal the heating element from its mounting position to the outlet opening and through it is possible.
  • the heating element lockable in the housing. This makes it particularly easy and quick removal and a correspondingly quick insertion of a Heating element possible.
  • Heating element is otherwise fixed in the housing, for example it can be screwed, jammed or by any other suitable type of fastening be fixed in the housing.
  • a mounting frame is preferably provided on the inside of the housing Locking elements provided, the heating element for engagement with the Has locking elements trained locking counter elements and that with the Fixing frame latched heating element this essentially completely fills out.
  • a mounting frame that is both in one piece can be formed with the housing as well as separately from it, can be used for different pipe diameters and pipe cross-sectional shapes uniform heating elements can be used. It can also ensure be that the supply air transported through the housing is not partially swept past the side of the heating element, causing the heating power would be reduced.
  • the heating element comprises at least one coupling element, being inside the housing at least one heating element connection section is provided, which with the coupling element of the heating element is connectable, and on the housing an energy supply element is provided through which the heating element Heating energy via the heating element connection section and that Coupling element can be fed.
  • the housing of the heating device can, for example, first the coupling element brought into contact with the heating element connecting portion are, whereupon the heating element, for example by pivoting inserted further into the housing around the coupling point until it reaches its end position and here with the housing for example, is locked.
  • the heating element can be designed, for example, as an electrical heating element his.
  • the energy supply element is the heating element connection section and the coupling element as an electrical conductor educated.
  • an external one can be connected to the energy supply element Power line can be connected so that the heating element with electricity can be supplied.
  • the heating element can also be used as a heated fluid, in particular with Hot water, steam or gas heated heating element.
  • the power supply element, the heating element connection section and the coupling element is formed by pipes, via which the heated fluid is supplied to the heating element.
  • the housing of the heating device is preferably tubular, in particular formed angled tubular, because in this way easy connection the heater to the end of the supply air pipe, in the form of a Extension of this air tube, can be done and through the angled tube Training a lateral escape of the supply air in the to be heated Space is guaranteed.
  • the heating element covers essentially the entire of the Cross-sectional area of the housing through which air flows. This will make a Maximum efficiency achieved because the supply air flows past the heating element is prevented.
  • the outer dimensions of the housing are preferably essentially equal to the outside dimensions of the supply air pipe.
  • the heater forms thus an extension of the supply air pipe with regard to its external dimensions, so that the space required within the cavity wall by the heater is not enlarged compared to the supply air pipe.
  • the internal dimensions of the housing are also preferably essentially equal to the internal dimensions of the supply air pipe, with the transition area preferably continuously between the supply air pipe and the housing educated. This ensures an undisturbed flow of the supply air from the supply air pipe into the heater housing.
  • the heating element comprises one through which the supply air can flow, in particular lamellar trained heating section.
  • the lamellar formation of the Heating section ensures a high degree of efficiency because of the Slats have a very large contact area with the supply air.
  • Heating element essentially perpendicular to the flow direction of the supply air aligned. With a vertical alignment of the heating element Flow resistance caused by the heating element is minimal.
  • the heating element it is also possible for the heating element to be substantially parallel or is aligned obliquely to the flow direction of the supply air.
  • the Area of the heating element forming the heating section is significantly larger than when the heating element is aligned vertically the case is.
  • the area of the heating section is limited by the cross-sectional area of the housing.
  • the cross-sectional area of the housing must be increased in this case be so that the outer diameter of the heater and so that the required space is increased.
  • the heating element becomes parallel or oblique to the direction of flow the supply air is aligned, so the surface forming the heating section the heating element in the flow direction of the supply air practically any be expanded. In this way, the efficiency of an invention trained heater versus a heater be significantly increased from the prior art.
  • the heating element is oriented essentially parallel or obliquely the direction of flow of the supply air can also be used for heating devices used in the prior art, so that this alignment expressly also with an arrangement of the heating element in a heating device is claimed, which is not in a pipe end piece, but arranged in a known manner between two pipe sections of a supply air pipe is. Furthermore, such can be oblique or parallel to the direction of flow the supply air oriented heating element is also insoluble in be attached to the housing of the heater.
  • FIG. 1 shows a housing 11 of a heating device designed according to the invention, which is angular and has an air inlet opening 12 and has an air outlet opening 13.
  • the air intake opening 12 facing part of the housing 1 has a right-angled Cross section during which the air outlet opening 13 facing part of the Housing 11 has a circular cross section.
  • the part of the housing 1 with a rectangular cross section can, as indicated in FIG. 1, form a supply air pipe 1 or with a suitably trained Supply air pipe connected, for example inserted in this or on this put on.
  • the heating element 14 comprises three heating rows 15, each of which is a plurality of lamellar heating surfaces 16.
  • Each of the heating rows 15 has a coupling element 17 at one end, which is each connected to a heating element connecting section 18.
  • the heating element connection section 18 and the heating element 14 are in a mounting frame 19 arranged on the inside of the housing 11 is fastened, as can be seen in particular from FIG. 3.
  • the coupling elements 17 are connected to electrical lines 20, which in turn has a line bushing 21 shown in FIG. 3 are connected.
  • detents 23 are formed, which in the mounting frame 19 trained recesses 24 engage so that Heating element 14 locked with the mounting frame 19 and thus within of the housing 11 of the heater is set.
  • the heating element 14 If the heating element 14 is defective, it can pass through the outlet opening 13 detected through and the end carrying the locking lugs 23 be lifted upwards so that the locking connection with the mounting frame 19 is solved. After raising the heating element again 14, with pivoting around the coupling elements 17, the heating element 14 can thus be displaced along its longitudinal extent be that the coupling elements 17 from the recesses 22 emerge, whereupon the heating element 14 through the outlet opening 13 can be removed from the housing 11.
  • the repaired heating element 14 or a replacement heating element can then through the outlet opening 13 into the interior of the housing 11 be introduced and after inserting the coupling elements 17 in the Recesses 22 are pivoted so far down until the locking lugs 23 snap into the recesses 24 and thus the heating element 14 is again in its secured position.
  • the heating element 14 according to the invention directly in the area of the outlet opening 13 is that the supply air is heated only immediately before exiting into the room to be heated, so that practically no cooling of the supply air in the area between the heating element 14 and the outlet opening 13.
  • This will make a very high efficiency of a heating device designed according to the invention achieved, which is significantly higher than the efficiency of a heating device according to the state of the art, in which the supply air after heating over a heating element a relatively long distance to the outlet opening travels.
  • FIG 4 shows an embodiment of a designed according to the invention Heater having an elongated housing 25.
  • the foreign and The inner diameter of the housing 25 essentially corresponds the outside or inside diameter of the supply air pipe.
  • the heating element 26 is in the longitudinal direction of the housing 25 and thus the Supply air pipe aligned and thus extends essentially parallel the flow direction of the supply air entering the housing 25, which is indicated in Figure 5 by arrows 27.
  • Fastening elements 28, 29 are on the inside of the housing 25 provided on which the heating element 26 is attached with its ends. In this case, an electrical can be made via the fastening element 28 at the same time Contacting similar to the contacting described in Figure 3 a cable bushing 21 take place. Likewise, when training of the heating element 26 as a fluid-operated heating element, a connection be available with a heating energy supply pipe.
  • the attachment of the heating element 26 within the housing 25 can in similar to that described for Figures 2 and 3.
  • Heating element 26 can at the end facing the fastener 29 Heating element 26, a locking connection may be provided.
  • the end of the heating element 26 is encompassed by a U-shaped mounting element 30, for example is pivotable and after inserting the heating element 26 into a corresponding U-shaped mounting element 31 on the fastening element 28 can be plugged onto the heating element 26.
  • the advantage of this arrangement is that the supply air flows through it Surface of the heating element 26, which forms a heating section 34, practical can be chosen for any length, so that the heating power immediately depends on the flow area of the heating element 26, practically can be chosen arbitrarily large.
  • the heating element 26 is not parallel, but at an angle to the longitudinal axis of the housing 25 arranged. In this way, the Heating element 26 generated air resistance compared to the embodiment reduced according to Figures 4 and 5. Depending on the chosen one Sloping can be a different length of the supply air flowed through heating surface of the heating element 26 can be reached.
  • baffles 35, 36 are provided on the side of the heating element, through which the supply air is directed in the direction of the heating element 26.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Direct Air Heating By Heater Or Combustion Gas (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Pipe Accessories (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
EP99116564A 1998-08-26 1999-08-24 Dispositif de chauffage pour un système d'air chaud Expired - Lifetime EP0982164B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29815327U DE29815327U1 (de) 1998-08-26 1998-08-26 Heizvorrichtung für ein Warmluftsystem
DE29815327U 1998-08-26

Publications (3)

Publication Number Publication Date
EP0982164A2 true EP0982164A2 (fr) 2000-03-01
EP0982164A3 EP0982164A3 (fr) 2002-06-19
EP0982164B1 EP0982164B1 (fr) 2004-04-28

Family

ID=8061802

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99116564A Expired - Lifetime EP0982164B1 (fr) 1998-08-26 1999-08-24 Dispositif de chauffage pour un système d'air chaud

Country Status (3)

Country Link
EP (1) EP0982164B1 (fr)
AT (1) ATE265332T1 (fr)
DE (2) DE29815327U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10105567A1 (de) * 2001-02-06 2002-08-08 Alexander Kanchev Heizgerät zur Erwärmung des Innenraumes eines Fahrzeuges
CN113218081A (zh) * 2021-03-29 2021-08-06 青岛海尔空调器有限总公司 空气处理设备加热元件固定结构及空气处理设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2640449A (en) * 2024-04-19 2025-10-22 Dyson Technology Ltd A fan heater and a heater module

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2116707A5 (fr) * 1970-12-04 1972-07-21 Levy Pierre
CH572600A5 (fr) * 1973-09-21 1976-02-13 Luwa Ag
FR2616264B2 (fr) * 1983-05-25 1990-12-21 Montenay Sa Dispositif de protection pour interrupteurs de commande d'appareils electriques a l'usage du public
EP0243077A3 (fr) * 1986-04-17 1988-03-23 Ford Motor Company Limited Résistance chauffante électrique pour véhicule automobile
JPS649017A (en) * 1987-05-01 1989-01-12 Texas Instruments Inc Vehicle and air heater therefor
DE3941899A1 (de) * 1989-12-19 1991-06-20 Kessler & Luch Gmbh Luftdurchlass mit filter
DE4213510C1 (en) * 1992-04-24 1993-08-19 Audi Ag, 8070 Ingolstadt, De Electric heating arrangement in vehicle heating and ventilation system - is formed by grill located in air outlet and moulded in conductive polymer
DE4330878A1 (de) * 1993-09-13 1995-03-16 Petz Elektro Waerme Techn Heizlüfter
DE4330876A1 (de) * 1993-09-13 1995-03-16 Petz Elektro Waerme Techn Elektrisches Heizgerät, insbesondere Heizlüfter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10105567A1 (de) * 2001-02-06 2002-08-08 Alexander Kanchev Heizgerät zur Erwärmung des Innenraumes eines Fahrzeuges
CN113218081A (zh) * 2021-03-29 2021-08-06 青岛海尔空调器有限总公司 空气处理设备加热元件固定结构及空气处理设备

Also Published As

Publication number Publication date
EP0982164A3 (fr) 2002-06-19
DE59909302D1 (de) 2004-06-03
EP0982164B1 (fr) 2004-04-28
DE29815327U1 (de) 2000-01-05
ATE265332T1 (de) 2004-05-15

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