EP0402436A1 - Appareil de chauffage - Google Patents

Appareil de chauffage

Info

Publication number
EP0402436A1
EP0402436A1 EP19900900011 EP90900011A EP0402436A1 EP 0402436 A1 EP0402436 A1 EP 0402436A1 EP 19900900011 EP19900900011 EP 19900900011 EP 90900011 A EP90900011 A EP 90900011A EP 0402436 A1 EP0402436 A1 EP 0402436A1
Authority
EP
European Patent Office
Prior art keywords
heater
housing side
heating
air
heater according
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
EP19900900011
Other languages
German (de)
English (en)
Inventor
Karl Kämmer
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.)
Elin Energieanwendung GmbH
Original Assignee
Elin Energieanwendung GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Elin Energieanwendung GmbH filed Critical Elin Energieanwendung GmbH
Publication of EP0402436A1 publication Critical patent/EP0402436A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00—Heating, cooling, ventilating, or air-conditioning
    • B61D27/0036—Means for heating only
    • B61D27/0045—Electric heating
    • 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
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems

Definitions

  • the invention relates to a heater, preferably a
  • Space heater for the full heating of locomotives, wagons and.
  • a cuboid, scaffold-like, iron frame covered at least partially with a heating register antel and arranged inside the frame heating register of a preferably electrical heating system, the two largest, identical, opposite sides of the frame the front and back of the heater.
  • Electric heating systems have long been used for space heating in buildings, both as additional and transitional heating as well as full heating.
  • structural condition of the rooms to be heated for example predetermined heating times and control options, structural condition of the rooms to be heated, climatic conditions, favorable night electricity tariffs, etc., besides the heat storage devices used primarily as night storage stoves, radiant heaters and convection heaters and combination devices of the latter two systems are used.
  • Radiant heaters are heated by heat radiation.
  • the radiation emitted by the heater penetrates the room without heating the room air. Rather, the rays hit walls, floors and furnishings and give off their warmth to them.
  • the room air only heats up on these solid bodies. This type of room heating results in a relatively long heating-up time.
  • the heat transfer to the room is mainly carried out by air circulation.
  • air circulation When heating without a fan, i.e. by natural convection or natural air circulation, the room air heats up on the hot surfaces of a heating element or heating register and rises, while at the same time the fresh air entering through windows and doors pushes in. This causes a continuous circulation of the entire room air mass.
  • fan convectors the air flow is intensified by a built-in fan, thereby not only causing a "faster heating up, but also a more even distribution of the heated room air.
  • room thermostats ensures that the desired room temperature is kept constant. Generally, but very specifically in locomotives and the like. in wagons of passenger trains, there is the problem that the people in the immediate vicinity of space heaters are exposed to a certain amount of radiant heat in addition to the room air temperature. As a result, the average hourly heat output by these people is below the ideal value of around 380 to 400 joules. This in turn has the consequence that the persons concerned feel that the room is too warm.
  • the object of the invention is therefore to create a heating device which ensures rapid emission of the radiant heat portion to the room air with the least possible economic outlay.
  • the object is achieved by the invention.
  • This is characterized in that a double-walled radiant sheet of approximately the same area as the front is attached to the outside on the front.
  • a double-walled, rear radiant panel approximately the same area as the rear, is attached to the outside on the rear side.
  • a further development of the invention consists in that on the outside of the front there is provided a ventilation duct made of sheet steel, which is open at the bottom and is delimited at the top by an air outlet cover and is closed on the left and right. ° the distance between the duct air flow rate and the broadside which is at least the same area as the front radiant sheet is designed as the front housing side.
  • a further embodiment of the invention consists in 0 that on the outside a bottom open u.
  • the air outlet cover and left and right closed rear ventilation duct made of sheet steel, one broad side of the rear radiant panel and its opposite the radiant panel at a distance 5 dependent on the required duct air flow rate and the rear radiant panel at least the same area as the rear housing side is formed, and that the top cover is widened by the depth of the rear ventilation duct.
  • a further development according to the invention consists in the frame being formed with an unclad underside and thus being connected to the air outlet side of a blower.
  • the ventilation duct and / or the rear ventilation duct is also connected to the air outlet side of a blower. _
  • the air flow is thus also increased in the ventilation duct or in the rear ventilation duct, which results in an enormous reduction in the heating-up time.
  • this creates the possibility of increasing the air quality of the heated room by using appropriate filters.
  • a special embodiment of the invention is that a central blower for fresh air, recirculated air, warm air or mixed air supply through channels or pipes to the heater is provided, wherein several heaters, preferably one heater each under one window, are arranged.
  • An additional embodiment of the invention provides that an upper air flow space is provided between the upper side of the heating register jacket and the air outlet cover, the air outlet cover being set upwards by approximately one third of the height of the heating register jacket and the front side of the housing and the rear Each side of the housing is pulled up by the same height and closed on the left and right side.
  • a further embodiment of the invention consists in that a reduction in the cross-section of the upper air flow space is provided, the rear housing side preferably being approximately in the middle between the upper side of the heating register jacket and the air outlet cover, preferably by approximately one third of the distance between the front housing side and the rear side of the housing is offset obliquely towards the top.
  • a further feature of the invention is that a lower air flow space is provided which begins at the level of the lower side of the heating register and is approximately one third the length of the lower side of the heating register, the front housing side and the rear housing side being pulled down by this length and left and right laterally are closed.
  • the advantage of this feature is that several special filters can be used in the lower air flow space. This ensures that the heater can also be used in rooms, for example semiconductor production facilities, for which strict air quality specifications are prescribed.
  • a further development of the invention consists in that a reduction in the cross section of the lower air flow space is provided, the rear housing side preferably approximately in the middle between the lower side of the heating register casing and the air inlet opening, preferably obliquely towards the front downward by about a third of the distance between the front housing side and the rear housing side is discontinued.
  • the entire air inlet opening is located outside this wall, which ensures a problem-free connection to a blower or an air supply duct.
  • the Fig. Shows a for floor installation, preferably for locomotives, wagons and. Similar designed heater (1) in longitudinal section.
  • a heating register (2) is surrounded by a heating register jacket (4) which is open at the top and bottom.
  • a double-walled radiant sheet (5) or (6) directly on the front or on the back of the heating register jacket (4).
  • At the front of the heater (1) there is a ventilation channel (9) closed on the left and right, the inside of which is formed by the double-walled front radiant panel (5) and the outside of which is formed by a front housing side (15) made of sheet steel.
  • a rear ventilation duct (10) closed on the left and right the inside of which is formed by double-walled rear radiant panel (6) and the outside of which is formed by a rear side of the housing (13) made of sheet steel becomes.
  • the distance between the double - walled front radiant panel (5) and the front housing side (15) or between the double - walled rear radiant panel (6) and the rear housing side (13) depends on the air flow rate through the ventilation duct (9) or must flow through the rear ventilation duct (10).
  • Both the front housing side (15) and the rear housing side (13) and the lateral end parts of the ventilation duct (9) and the rear ventilation duct (10) are made of sheet steel.
  • An air outlet cover (8) is arranged higher by about a third of the height of the heating register jacket (4) than the top of the heating register jacket.
  • the front housing side (15) is pulled up slightly less than the rear housing side (13), creating an air flow space (14) which is limited by the air outlet opening (8) which is inclined towards the front.
  • a cross-sectional reduction of the air flow space (14) to approximately 66% of the lower part of the air flow space (14) is carried out in the middle between the upper side of the heating register casing and the air outlet cover (8). This reduction in cross-section is achieved by moving the rear side of the housing (13) by about a third of the distance reached between the front housing side (15) and the rear housing side (13) obliquely towards the front upwards.
  • a lower air flow space (17) is provided on the underside of the heater (1) for holding filters.
  • the rear housing side (13) is offset obliquely downwards towards the front by about one third of the distance between the front housing side (15) and the rear housing side (13).
  • the air inlet opening of the heater (1) is connected to the air outlet side of a blower (3).
  • the blower (3) is firmly connected to a blower mounting frame (16), which is covered with a removable cover protection, which expediently consists of perforated sheet metal in order to ensure appropriate air intake.
  • the heater (1) is placed in a wagon wall (11) with about a third of its overall depth.
  • the heater (1) is fixed immovably on a floor (19) by means of strong nut screws (18).
  • a waste container (12) is mounted on the front side of the housing (15), approximately at the level of the upper air flow space (L14).
  • the heating register (2) begins to warm up.
  • the blower (3) starts up, sucking in room air through the cover protection of the blower mounting frame (16.) made of perforated sheet metal and both through the heating register space (7) and through the ventilation space (9) and the rear ventilation duct (10). blows.
  • the air conveyed thereby heats up above all on the hot surfaces of the heating register (2), the heating register jacket (4), the double-walled front radiant sheet (5) and the double-walled, rear radiant sheet (6), but also on the warm inner surfaces of the front housing side (15) and the rear housing side (13).
  • the heated air emerges from the heater (1) through the air outlet cover (8), mixes with the room air and thereby increases its temperature.
  • the heater (1) ensures rapid heating and, by using room thermostats, precise control of the desired room temperature. Even after opening and closing windows in stations, the room temperature is quickly brought to the desired value.
  • the heater (1) is of course not only for the space heating of locomotives, wagons and. Like. But in principle for rooms of all kinds, especially difficult to heat, suitable.

Abstract

Un appareil de chauffage, de préférence un appareil de chauffage de locaux qui sert à chauffer complètement des véhicules moteurs, des wagons et similaires, comprend une plaque antérieure de radiateur (5) à parois doubles fixée à l'extérieur du côté antérieur de l'appareil de chauffage (1) et ayant à peu près la même superficie que le côté antérieur de l'appareil de chauffage. L'invention permet de réduire considérablement les températures de l'enveloppe de registre de chauffage des appareils de chauffage (1) et de diriger rapidement la part de chaleur rayonnante vers l'extérieur, vers l'espace à chauffer. On peut ainsi réduire le temps requis pour réchauffer l'espace.
EP19900900011 1988-12-23 1989-12-22 Appareil de chauffage Ceased EP0402436A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT3156/88 1988-12-23
AT315688A AT399691B (de) 1988-12-23 1988-12-23 Heizgerät

Publications (1)

Publication Number Publication Date
EP0402436A1 true EP0402436A1 (fr) 1990-12-19

Family

ID=3546194

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900900011 Ceased EP0402436A1 (fr) 1988-12-23 1989-12-22 Appareil de chauffage

Country Status (3)

Country Link
EP (1) EP0402436A1 (fr)
AT (1) AT399691B (fr)
WO (1) WO1990007445A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2035419A (en) * 1930-03-03 1936-03-24 Pullman Standard Car Mfg Co Car construction
US4003967A (en) * 1974-10-31 1977-01-18 Les Placement Courteau Limitee Electric heating and humidifying apparatus
DE2517096A1 (de) * 1975-04-18 1976-10-28 Bbc Brown Boveri & Cie Belueftungsanlage fuer eisenbahnwagen
DD252803A1 (de) * 1986-09-24 1987-12-30 Ammendorf Waggonbau Heizverkleidung fuer schienenfahrzeuge, insbesondere reisezugwagen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9007445A1 *

Also Published As

Publication number Publication date
AT399691B (de) 1995-06-26
ATA315688A (de) 1994-11-15
WO1990007445A1 (fr) 1990-07-12

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