EP0344341A1 - Appareil de chauffage électrique à accumulation - Google Patents

Appareil de chauffage électrique à accumulation Download PDF

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Publication number
EP0344341A1
EP0344341A1 EP88108698A EP88108698A EP0344341A1 EP 0344341 A1 EP0344341 A1 EP 0344341A1 EP 88108698 A EP88108698 A EP 88108698A EP 88108698 A EP88108698 A EP 88108698A EP 0344341 A1 EP0344341 A1 EP 0344341A1
Authority
EP
European Patent Office
Prior art keywords
wall
side wall
electric storage
fastening
storage heater
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
EP88108698A
Other languages
German (de)
English (en)
Other versions
EP0344341B1 (fr
Inventor
Reinhard Ing. Schmidt
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.)
Olsberger Huette Hermann Everken & Co GmbH
Original Assignee
Olsberger Huette Hermann Everken & Co 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 Olsberger Huette Hermann Everken & Co GmbH filed Critical Olsberger Huette Hermann Everken & Co GmbH
Priority to AT88108698T priority Critical patent/ATE68871T1/de
Priority to EP88108698A priority patent/EP0344341B1/fr
Priority to ES198888108698T priority patent/ES2027344T3/es
Priority to DE8888108698T priority patent/DE3865838D1/de
Publication of EP0344341A1 publication Critical patent/EP0344341A1/fr
Application granted granted Critical
Publication of EP0344341B1 publication Critical patent/EP0344341B1/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
    • F24H9/00—Details
    • F24H9/02—Casings; Cover lids; Ornamental panels
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/16—Reducing cost using the price of energy, e.g. choosing or switching between different energy sources
    • F24H15/164—Reducing cost using the price of energy, e.g. choosing or switching between different energy sources where the price of the electric supply changes with time
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/281—Input from user
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/355—Control of heat-generating means in heaters
    • F24H15/37—Control of heat-generating means in heaters of electric heaters
    • 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
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
    • F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
    • F24H9/2078—Storage heaters

Definitions

  • the invention relates to an electric storage heater with a rectangular sheet-metal housing, in which heat storage blocks which can be heated by electrical resistance heating elements, at least one air which sucks in air from the outside and blows through cavities in the heat storage blocks to a warm air outlet opening and an electrical connection and switching arrangement is accommodated with the purpose of accessibility to the electrical connection and switching arrangement and the blower removable side walls and a detachably attached control box arranged in an opening of the front wall near a side wall, which can be removed and installed when the assigned side wall is removed.
  • the aim of the present invention is to provide an electric storage heater of the type mentioned, in which the side wall, behind which there are possibly to be repaired and / or exchanged electrical or electronic components, can be removed in the simplest way without dismantling other wall parts of the electric storage heater and can also be easily and securely fastened again, the fastening means being largely covered, ie should not be visible from the outside.
  • the invention provides that at least the side wall covering the electrical components and assigned to the control box with a stack of bores arranged one above the other, vertically extending bend laterally engages around the rear wall, so that it bears against the rear wall from behind, whereby in the bores existing in the bend complementary, attached to the rear wall and projecting from this, and that in the front region of the side wall in question mounting holes are provided for fastening the side wall to the chassis by means of screws, the heads preferably being formed by head screws screwed into the rear wall are.
  • a fastening screw in the lower area can be dispensed with if the front bend is preferably inserted in the lower area on the chassis and engages behind the (molded) spring attached there, which detachably removes the side wall from being pulled out laterally holds. In this case it is sufficient if there is preferably only a single fastening hole in the front region of the side wall.
  • the (shaped) spring provided in the lower region is preferably designed as a suitably horizontally extending sheet metal strip which engages behind the front bend in such a way that the rear bend against the rear wall and thus over those located there Heads is pulled.
  • An advantageous construction of the invention is characterized in that behind each mounting hole there is a preferably substantially vertically extending, chassis-fixed mounting rail, which is provided with a counter-threading means for the screws or with a hole for the free passage of the mounting screw to a mounting bracket located behind the mounting rail the top wall, which carries the counter-thread means, is provided.
  • the invention can be used particularly advantageously in an embodiment which is characterized in that different, in particular two different, but the same front surface dimensions and the same fastening means can optionally be used in the opening of the front wall.
  • a charge controller preferably accessible from the front, must be provided, by means of which the amount of heat that is to be stored in the heat storage blocks can be adjusted by hand.
  • the room air thermostats have also been installed directly in the electric storage heaters, the thermal sensor being arranged in the suction area of the fan in order to determine the temperature of the surrounding air there. It is desirable and expedient to arrange the manually adjustable controller of the room air thermostat in the same control box where the charge controller is located.
  • switches are often provided in electric storage heaters, by means of which a heat charge can also be started at the time of day in the event that the heat stored by charging during the night time is consumed. This switch should also be on the front surface of the control box.
  • control box which has only one charge controller, to be quickly and easily replaced by a control box, which also has a room temperature controller and, if necessary, a day current heating switch or other switch .
  • the fastening means consist of an angle rail fastened to the side of the control box, which is preferably detachably fastened to the same fastening rail as the counter-thread means or the bore for receiving the screw from the side of the assigned side wall which has been removed.
  • the control box located with its front surface in the opening of the front wall can be easily screwed to or detached from the fastening rail after opening the associated side wall, with threaded holes in the angled rail expediently being aligned with screw-through bores in the fastening rail .
  • Another advantageous embodiment is characterized in that cable bushings are mounted at a distance in front of the rear wall on a support plate fixed to the chassis and running parallel to the rear wall and that the rear wall, in alignment with the cable feedthroughs, has significantly larger cable feedthrough openings, the cable feedthroughs preferably extending into the cable feedthrough openings and being flush with the rear wall.
  • This embodiment makes it possible to push the storage heater closer to a wall because no parts of the cable duct protrude at the rear. Damage to the inserted cables due to sharp edges is effectively avoided by extending the cable bushings into the cable bushing openings in the rear wall.
  • this support plate also performs other functions such as the inclusion of switching elements or the like This results in an optimal pre-assembly.
  • control line can serve to emit heat from another electric storage heater by means of one and the same room thermostat.
  • An external thermostat connection can be provided if the temperature is to take over control at a point remote from the storage heater.
  • the invention provides according to a further development that the cable bushings and the Cable entry openings are arranged on the same side as the control box.
  • FIG. 1 there is a warm air outlet opening 15 extending across the entire width in the lower region of the front wall 20 of an electric storage heater Electric storage heater completed by a decreasing cover wall 24.
  • a rectangular opening 19 is provided in the front wall 20, into which a control box 21 is inserted from behind, which carries a charge control button 43 on its front surface and a room temperature control button 44 below it.
  • the buttons 43, 44 are connected to corresponding regulators for the amount of heat or the room temperature, for example formed by potentiometers, which are not shown in detail in the drawing and are located inside the regulating box 21.
  • a switch 45 is arranged in the front surface of the control box 21, which is used to switch from night-time heating to day-time heating. This switch 45 can be actuated when the amount of heat stored during the night is consumed and heat is to be charged with daytime electricity.
  • the front wall 20 extends up to the vertical side edges 46 of the electric storage heater, since - as will be described in detail below - the side walls are concealed behind the front wall 20.
  • a control box 21 ' can be installed in the rectangular opening 19 of the front wall 20, in the front surface of which only a charge control button 43 is installed.
  • a control box 21 'with a charge control button 43 must be provided in any case, while the room temperature control button 44 and the switch 45 of Fig. 1 are only provided optionally.
  • heat storage blocks 11 with vertical cavities 14 are arranged between the front wall 20 and a rear wall 23, through which electrical resistance heating elements 12 are passed.
  • the heat storage blocks 11 are surrounded on all sides by adequate thermal insulation 47.
  • blowers 13 next to the heat storage blocks 11, which suck in air from the outside through the side suction openings 18 indicated in FIG. from where the heated air reaches the warm air outlet opening 15 in a manner not shown in detail.
  • FIG. 6 there is a thermostat sensor part 53 for regulating the room temperature under the suction openings 18 and thus in the area of the sucked-in room air.
  • the electric storage heater described is completed by the same as the front and rear wall 20, 23 made of sheet metal side walls 17, which have a right-angled bend 17 'on their back, which according to FIGS. 3, 4 and 6 reach behind the rear wall 23 and rest against the rear wall 23 from behind.
  • the bends 17 'vertically one above the other at regular intervals bores 22, which have complementary heads 25 of screws 26 screwed into the rear wall 23 (Fig. 3, 4). Furthermore, the side walls 17 have a front bend 30, which according to FIGS. 3 and 4 on the abut rear surface of the front wall 20.
  • the side walls 17 thus have only two simple right-angled bends, so that they can be shaped into the desired shape economically by simple bending. Multiple bends are not required according to the invention.
  • the side walls 17 are fastened by a fastening screw 29 (FIGS. 4, 6) provided at the top at the front, which is provided by a preferably countersunk fastening hole 27 provided there in the side wall 17 and by a fastening rail 32 on the right, behind it, in a vertically angled fastening rail Inner wall or on the chassis 28 (Fig. 4, 7) provided bore 41 are inserted to be screwed into a counter thread 33 of a mounting bracket 42 which is attached to the underside of the cover wall 24 and protrudes vertically downwards from there as far, that the counter-threaded bore 33 is aligned with the bores 27, 41.
  • the bore 41 in the chassis-fixed vertical fastening rail 32 (FIG. 7) serves at the same time for fastening or holding the cover wall 24 on the fastening rail 32 against removal upwards.
  • each side wall and the top wall 24 are firmly connected to the chassis 28 on the relevant side of the electric storage heater.
  • the fastening screws 25, which have the fastening heads 25 and are screwed into the rear wall, can in turn be used for fastening components arranged on the inside of the rear wall 23 or can only be screwed in blindly in order to serve for the rear holding of the side walls 17.
  • 1, 3 and 6 is in the lower side part of the chassis near the front wall 20 and the side wall 17 a (shape) spring 31, between which and the rear of the front wall 20, a narrow gap 48 remains, in which 3 can be resiliently pressed in according to FIG. 3, so that the front angled portion 30 is spring-loaded at this point. Since the flat and horizontal spring 31 is relatively stiff in the direction away from the front wall 20, the side wall 17 is also pulled slightly forward in the lower region, so that the rear bend 17 'in secure contact with the rear surface of the Rear wall 23 comes and thus a perfect engagement of the screw heads 25 in the holes 22 is ensured.
  • an angle rail 35 is arranged on the back of the control box 21 as a fastening means 34, which protrudes laterally from the control box 21 in the direction of the associated side wall 17 and has two threaded bores 50 arranged one above the other, by means of which the angle rail 35 is attached to the vertically near the side wall 17 and is fastened parallel to this fastening rail 32 in that fastening screws 52 indicated schematically in FIGS. 7 and 8 are passed through slot-like through bores 51 (FIG. 7) of the fastening rail 32.
  • Both the dimensions of the front surface and the fastening means 34 are identical for both types of control boxes 21 and 21 ', so that either a control box 21 or a control box 21' can be installed in the storage heater (Fig. 1 and 2).
  • a bend 37 of a chassis 28, which is provided parallel to the rear wall 23 and close to it, has bores for receiving three cable bushings 36, through which cables 39, 40 are led from the outside into the interior of the electric storage heater.
  • cable feedthrough openings 38 are provided in the rear wall, into which the cable feedthroughs 36 extend with all-round play so far that they are flush with the rear surface of the rear wall 23.
  • the entire electrical connection and switching arrangement 16 is located in an adjacent to the heat storage blocks 11 immediately behind the one side wall 17 provided space 16 ', which is sufficiently insulated from the heat of the heat storage blocks 11. If necessary, however, further parts of the electrical connection and switching arrangement can also be provided on the opposite side behind the other side wall 17, where there is also a space extending up to the heat insulation 47, among other things. is arranged to accommodate the second fan 13.
  • the operation of the electric storage heater according to the invention is as follows:
  • control box 21 If the control box 21 is to be replaced, the screws 52 (FIG. 7) are loosened, so that the control box 21 can be moved rearward out of the opening 19 and can be removed laterally past the fastening rail 32. The insertion of another control box 21 'is done in reverse order.
  • control box 21 accordinging to FIG. 2 is present in an electric storage heater and is replaced by a control box 21 having more switching options, which includes 16 further switching and control devices within the electrical connection and switching arrangement, which after acceptance the side wall can be easily installed.
  • the side wall 17 is fastened again in that the rear bend with the bores 22 is brought over the screw heads 25 (FIG. 3) and is then pivoted in a hinge-like manner in the lateral direction in the direction of the dashed arrow, whereby finally the front bend 30 is clamped behind the (form) spring 31 or between the spring 31 and the front wall 20.
  • the screw 29 has to be inserted into the fastening bore 27, passed through the bore 41 and finally screwed into the mating thread 33 of the fastening bracket 42 in order to finally fix the side wall 17, and at the same time the cover wall 24 is secured against lifting upwards .

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)
  • Central Heating Systems (AREA)
  • Direct Air Heating By Heater Or Combustion Gas (AREA)
  • Baking, Grill, Roasting (AREA)
EP88108698A 1988-05-31 1988-05-31 Appareil de chauffage électrique à accumulation Expired - Lifetime EP0344341B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT88108698T ATE68871T1 (de) 1988-05-31 1988-05-31 Elektrospeicherheizgeraet.
EP88108698A EP0344341B1 (fr) 1988-05-31 1988-05-31 Appareil de chauffage électrique à accumulation
ES198888108698T ES2027344T3 (es) 1988-05-31 1988-05-31 Acumulador de calefaccion electrico.
DE8888108698T DE3865838D1 (de) 1988-05-31 1988-05-31 Elektrospeicherheizgeraet.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88108698A EP0344341B1 (fr) 1988-05-31 1988-05-31 Appareil de chauffage électrique à accumulation

Publications (2)

Publication Number Publication Date
EP0344341A1 true EP0344341A1 (fr) 1989-12-06
EP0344341B1 EP0344341B1 (fr) 1991-10-23

Family

ID=8199013

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88108698A Expired - Lifetime EP0344341B1 (fr) 1988-05-31 1988-05-31 Appareil de chauffage électrique à accumulation

Country Status (4)

Country Link
EP (1) EP0344341B1 (fr)
AT (1) ATE68871T1 (fr)
DE (1) DE3865838D1 (fr)
ES (1) ES2027344T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4338419A1 (de) * 1993-11-10 1995-05-11 Olsberg Hermann Everken Gmbh Elektrospeicherheizgerät
WO2019180418A1 (fr) * 2018-03-19 2019-09-26 Trust Electric Heating Ltd Dispositif de chauffage électrique pouvant être monté sur un mur avec un facteur de forme mince

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1964409U (de) * 1967-04-19 1967-07-20 Stiebel Werke G M B H & Co Dr Speicherheizgeraet.
DE1925896A1 (de) * 1969-05-21 1970-11-26 Vni I P Ki Promyslennych Gidro Einrichtung zum Zweiteilen eines Fluessigkeitsstromes
US4430521A (en) * 1980-10-10 1984-02-07 Westcan Electrical Manufacturing Inc. Optional rear entry back connector for a baseboard heater

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1964409U (de) * 1967-04-19 1967-07-20 Stiebel Werke G M B H & Co Dr Speicherheizgeraet.
DE1925896A1 (de) * 1969-05-21 1970-11-26 Vni I P Ki Promyslennych Gidro Einrichtung zum Zweiteilen eines Fluessigkeitsstromes
US4430521A (en) * 1980-10-10 1984-02-07 Westcan Electrical Manufacturing Inc. Optional rear entry back connector for a baseboard heater

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4338419A1 (de) * 1993-11-10 1995-05-11 Olsberg Hermann Everken Gmbh Elektrospeicherheizgerät
WO2019180418A1 (fr) * 2018-03-19 2019-09-26 Trust Electric Heating Ltd Dispositif de chauffage électrique pouvant être monté sur un mur avec un facteur de forme mince
US11841168B2 (en) 2018-03-19 2023-12-12 Trust Electric Heating Limited Wall mountable electric heater with slim form factor

Also Published As

Publication number Publication date
EP0344341B1 (fr) 1991-10-23
DE3865838D1 (de) 1991-11-28
ATE68871T1 (de) 1991-11-15
ES2027344T3 (es) 1992-06-01

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