EP0080428A1 - Zentralheizungsanlage mit zwei Energiequellen - Google Patents

Zentralheizungsanlage mit zwei Energiequellen Download PDF

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Publication number
EP0080428A1
EP0080428A1 EP82440039A EP82440039A EP0080428A1 EP 0080428 A1 EP0080428 A1 EP 0080428A1 EP 82440039 A EP82440039 A EP 82440039A EP 82440039 A EP82440039 A EP 82440039A EP 0080428 A1 EP0080428 A1 EP 0080428A1
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EP
European Patent Office
Prior art keywords
radiator
installation according
installation
heating element
electric heating
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
EP82440039A
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English (en)
French (fr)
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EP0080428B1 (de
Inventor
Patrick Pinal
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.)
BOOS, ROBERT
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to AT82440039T priority Critical patent/ATE23626T1/de
Publication of EP0080428A1 publication Critical patent/EP0080428A1/de
Application granted granted Critical
Publication of EP0080428B1 publication Critical patent/EP0080428B1/de
Expired legal-status Critical Current

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Classifications

    • 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
    • F24D13/00—Electric heating systems
    • F24D13/04—Electric heating systems using electric heating of heat-transfer fluid in separate units of the system
    • 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
    • F24H3/002—Air heaters using electric energy supply
    • F24H3/004—Air heaters using electric energy supply with a closed circuit for a heat transfer liquid

Definitions

  • the present invention relates to central heating installations.
  • the installations of the type considered are essentially constituted by a closed circuit of a heat-transfer liquid, generally water, circulating between a centralized heat generator, often with fuel (gas, fuel, etc.) usually called a boiler, and a plurality of heating bodies, or radiators, judiciously distributed in the different rooms of the premises to be heated in order to ensure thermal comfort.
  • a heat-transfer liquid generally water
  • a boiler often with fuel (gas, fuel, etc.) usually called a boiler
  • radiators judiciously distributed in the different rooms of the premises to be heated in order to ensure thermal comfort.
  • the heat transfer fluid is brought up to temperature within the boiler, then gives up part of its calories to the medium to be heated through the radiators, before returning to the boiler, and so on during the entire desired heating period.
  • the heating device described in French patent n ° 1, 570 420 does not take into consideration the expansion of the heated liquid and isolated from the rest of the circuit by two valves mounted respectively at the inlet and at the outlet of a radiator fitted with an electric heating element fixed longitudinally in the inlet manifold at the bottom.
  • the known device is not without presenting a certain danger due to the risks of overpressure, which cannot compensate for a thermal regulation as elaborate as it is, due to a failure always. possible.
  • the electric water radiator described in French patent 991 956, provides an atmosphere expansion vessel mounted externally at the end of the upper manifold.
  • the heat transfer fluid itself which serves as a heating resistance and has, for this purpose, a composition which makes it unsuitable for being able to be used in conventional central heating installations.
  • French patent 2,351,361 takes into account the expansion of the liquid within the radiators fitted with electric heating, by means of a collective closed expansion vessel, provided on the general circuit of the heat transfer liquid.
  • the object of the present invention is to avoid the drawbacks of the aforementioned known solutions.
  • the invention relates to a dual-energy central heating installation comprising a closed circuit of a heat transfer liquid circulating between a central boiler and a plurality of radiators distributed in the premises to be heated, installation according to which , at least one radiator is internally equipped with an electric heating element placed in the collector at the lower part of the radiator, and characterized in that said radiator comprises, in its collector, at the upper part, a device for compensating for expansion having an elastically deformable wall delimiting an internal chamber immersed in the heat transfer liquid and provided with means for bringing its volume into communication with the medium external to said radiator.
  • the external medium is the ambient atmospheric medium of the room where the radiator is placed, the pneumatic chamber then being open to the atmosphere.
  • the deformable wall defining the chamber is a wall made of flexible and hard material shaped in bellow. "accordion" type flounder.
  • this wall is made of flexible plastic material in which are embedded metallic filaments.
  • the expansion compensation device also incorporates a calibrated purge for automatically venting the interior volume of the radiator.
  • the central heating radiator 1 shown comprises a lower collector la and an upper collector lb connected by a curtain of parallel tubes lc.
  • the lower collector la is equipped with an electric heating element 2 mounted at the end opposite to that of the inlet E of the heat transfer liquid.
  • the outlet manifold 1b is provided, for its part, with the expansion compensation device 3, mounted in place of the usual bleed screw, opposite the outlet pipe S of the heat transfer liquid.
  • Two solenoid valves R 1 and R 2 are placed respectively on the input E and on the output S to isolate the volume of liquid in the radiator from the rest of the circuit (not shown) when the electric heating element 2 is activated.
  • This comprises an internal part of the collector 1a, composed of a heating resistor 6 placed above a temperature probe 7, and an external part comprising the thermal regulation protected by a cover 46, from which a connecting cord comes out.
  • electric L an internal part of the collector 1a, composed of a heating resistor 6 placed above a temperature probe 7, and an external part comprising the thermal regulation protected by a cover 46, from which a connecting cord comes out.
  • the resistor and the probe are fixed to a support 27 which internally carries the thermal regulation and on which the cover 46 fits.
  • This support constitutes a threaded plug at its end 4 in order to be able to screw tightly into the emptying hole of the manifold la.
  • the expansion compensation device 3 comprises a deformable rigid wall 32 defining an internal pneumatic chamber 48 immersed in the heat transfer liquid of the upper collector lb.
  • This wall is held by the threaded end 49 of a sleeve 50 which is screwed into the bleed orifice of the upper manifold.
  • the sleeve 50 internally contains a venting valve of which only the bleed screw 36 is visible in the figure.
  • the electric heating element 2 is presented in a compact block which it suffices to connect to the electric network by the cord L to obtain a rise in temperature of the liquid contained in the radiator to the desired value. and to regulate it by the thermostat.
  • the expansion compensation device 3 comprises a pneumatic chamber 48 immersed in the liquid and which, by variation in volume following a deformation of its wall 32 as a function of the pressure inside the radiator, ensures a constant volume heat transfer liquid.
  • variable chamber makes it possible to avoid noises during the convection of the liquid in the event of excess air.
  • the heating element and the di compensation device latation are both provided, as already said, with a standardized threaded plug so that they can be installed on an existing radiator, for example.
  • thermostatically controlled heating block 2 is mounted in place of the drain plug and the device 3 in place of the drain plug.
  • the operation is carried out by rotation of the graduated control button 5. ( Figure 2 or 5) to the position corresponding to the value of the desired temperature for the heat transfer liquid (approximately 30 to 90 ° C).
  • the heating resistor 6 enters into service and raises the temperature of the radiator until the thermostat set by the button 5 is triggered, which takes place when the set value is reached.
  • FIGS 2 and 5 show two different variants of the thermostat of the heating element, mechanical and electronic respectively.
  • the latter is secured at its end to an internal rod 8 with a diameter of 2.5 mm in material having a coefficient of expansion substantially lower than the tube of the probe 7.
  • the support 9 acts on an insulating material stop 10 by means of the rocker 11, which itself actuates a rocking contact 12.
  • the tensile force exerted by the rod 8 reaches the rocking value of the rocking contact support 12, it changes state and interrupts the passage of the heating current Ir (fig. 4).
  • the liquid from the radiator cools by heat exchange with the ambient medium.
  • the regulation on AT 2 is thus carried out over time, and the diagram of FIG. 4 shows the states of passage of the current Ir in correspondence with the regulation curve of FIG. 3.
  • thermose tat The reference for obtaining an adequate range AT 1 of the thermose tat is by the value of the thread pitch of the control button 5 and by the adjustment of the height positioning of the needle 16 which presses on the support 9 of the rocker spring 11.
  • the positioning at reference zero is obtained by a small stop spring 17 which cooperates with a rotary cam 18 fixed to the needle 16 for the angular adjustment of the control 5.
  • a helical spring 19, working in compression, ensures the return of the support 9 for operation of the rocker spring 9 to a value of approximately 4 kgf, for example.
  • the heating of the probe 7 ′ is transmitted by contact to a thermistor 20 embedded in the end of the latter.
  • the decrease in the value of the CTN value (coeff.temp.neg.) Modifies the current and the voltage of the bridge formed by the resistors 21 and 22, causing, via the integrated circuit 23 of type MFC 8070, the change order status for a triac 24.
  • the electrical connections inside the cover 46, covering the plastic plug 27, are made by standardized plug-in lugs 28 and plugs 47.
  • the tightness of the shielded resistor 6 and of the thermal probe 7 is ensured by two O-rings 29 and 29 'compressed by a support core 30 of elastomer force-fitted.
  • this device 3 essentially comprises a resistant but deformable wall 32, shaped as an "accordion" type bellows and internally defining a pneumatic chamber 48.
  • This wall is held in a body 50 serving as a plug thanks to its threaded front surface 41 which is screwed into the bleed orifice of the upper manifold of the radiator (not shown in Figure 7).
  • the tightness of the assembly is ensured by crushing the end of the wall 32 by means of a core 42 inserted by force which is pierced longitudinally by a channel 33 putting the chamber 48 in communication with the external atmosphere.
  • the threaded surface 41 also has a channel for placing the interior enclosure of the radiator in communication with the exterior at its upper end.
  • This channel 51 extends into the body 50 and opens into an internal cavity 52 comprising an orifice 35 with the outside, normally closed by a bleed screw 36.
  • the orifice 35 After opening thereof, the orifice 35 has the conventional role of evacuating the air occasionally present in the radiator.
  • the expansion chamber 48 during the rise in temperature compresses under the pressure of the liquid and the excess air is evacuated through the passage 33.
  • the consistency and shape of the wall 32 are defined to allow. a modification of the volume of the chamber 48 in order to compensate for the effects of the expansion of the liquid and thus maintain a constant volume of liquid in the radiator by avoiding overpressures.
  • the wall 32 may be made of flexible plastic material in which are embedded metallic filaments 34 which give it the desirable mechanical strength.
  • the wall can be made of stainless steel, therefore resistant to corrosion.
  • the initial volume of the chamber 48 which is about twenty cm 3 under the nominal pressure of the circuit (2 - 3 bars approximately) can decrease by a few cm 3 when, under the effect of the rise in temperature , the pressure of the liquid rises to around fifteen bars.
  • the inlet valves R l and the outlet valve R 2 can be manual or electrically controlled, subject to the commissioning of the heating block 2, when the button 5 is operated.
  • valves are not strictly essential for the implementation of the invention. Their presence is however an important advantage, since they allow, by cutting the liquid mass of the radiator from the rest of the circuit, to avoid heat loss by convection within the circuit, outside the place that is desired specifically heat.
  • the heating block 2 like the device 3, are perfectly adaptable to all types of radiator. If necessary for a larger diameter of the radiator orifices, a threaded sleeve inside and outside will ensure adaptation.
  • the heating resistor 6 ' is shaped as a "U" between the branches of which the probe 7' is placed to reduce the overall width.
  • the resistor and the probe are held at their ends in a plastic washer 53 and the resistance is held by a spacer 54 placed between its two branches.
  • This also serves as an introduction guide, avoiding, by virtue of two lateral protuberances 55, the coming into contact of the resistance tube with the internal wall of the manifold la.
  • This sub-assembly is placed in the threaded anterior surface 4 ′ of the body 27 ′, hollowed out for this purpose and having an oblong opening 56 for the passage of the resistance and the soda.
  • the assembly is carried out by tightening the support washer 53 on an O-ring seal 57 using a tubular core 58 screwed into the threaded front part 4 'and providing a central passage for the electrical connection wires 59 resistance and 60 of the probe.
  • the assembly is finally attached by screwing onto the radiator by means of a threaded sleeve 61 welded into the receiving opening of the manifold a.
  • the invention is perfectly suited to the field of energy savings, in particular as an extension of those which consist in reinforcing the insulation of buildings.
  • the place of the system according to the invention makes it possible to choose the heating mode (electric or based on the old fuel), in all seasons and as needed, either as an adjunct to one or more radiators, or, as an addition general thermal for the entire central heating installation.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Central Heating Systems (AREA)
  • Jib Cranes (AREA)
  • Control Of Temperature (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Particle Accelerators (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
EP82440039A 1981-11-25 1982-11-23 Zentralheizungsanlage mit zwei Energiequellen Expired EP0080428B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82440039T ATE23626T1 (de) 1981-11-25 1982-11-23 Zentralheizungsanlage mit zwei energiequellen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8122447A FR2517031B1 (fr) 1981-11-25 1981-11-25 Dispositif d'un bloc chauffant electrique regule et d'une chambre de dilatation
FR8122447 1981-11-25

Publications (2)

Publication Number Publication Date
EP0080428A1 true EP0080428A1 (de) 1983-06-01
EP0080428B1 EP0080428B1 (de) 1986-11-12

Family

ID=9264518

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82440039A Expired EP0080428B1 (de) 1981-11-25 1982-11-23 Zentralheizungsanlage mit zwei Energiequellen

Country Status (4)

Country Link
EP (1) EP0080428B1 (de)
AT (1) ATE23626T1 (de)
DE (1) DE3274292D1 (de)
FR (1) FR2517031B1 (de)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0617238A1 (de) * 1993-03-22 1994-09-28 KERMI GmbH Steuervorrichtung für eine Heizeinrichtung bzw. Heizeinrichtung
EP1077351A1 (de) * 1999-08-16 2001-02-21 Hager Electro S.A. Elektrisches Steuergerät für einen Heizkörper, insbesondere einen elektrischen Handtuchtrockner
EP1030131A3 (de) * 1999-02-15 2002-05-08 KERMI GmbH Heizkörper mit Ausgleichsgefäss
CN100425914C (zh) * 2006-01-13 2008-10-15 庞一鸣 电热液取暖器减气压装置
WO2009127899A2 (en) * 2008-03-20 2009-10-22 Turk Demir Dokum Fabrikalari Anonim Sirketi Radiator with membrane expansion tube
WO2010103468A1 (en) 2009-03-10 2010-09-16 I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini Radiator, in particular for room heating
ES2416835A1 (es) * 2012-01-30 2013-08-02 Casple, S.A. Radiador mixto
EP2742838A1 (de) 2012-12-17 2014-06-18 Atlantic Industrie Heizgerät vom Typ Handtuchtrockner
CN104089325A (zh) * 2014-07-17 2014-10-08 马恩奇 一种简易型自动恒温电暖器
WO2014125310A3 (en) * 2013-02-14 2014-10-16 Schoinas Eleftherios Method for autonomous operation of radiator and appliance microboiler
CN106765516A (zh) * 2016-11-18 2017-05-31 天津大学 一种碳纤维与供热管网耦合的智能限温供热系统
US11137147B2 (en) * 2018-03-26 2021-10-05 Ray King Variably heatable radiator

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2624588B1 (fr) * 1987-12-10 1990-05-18 Boos Robert Dispositif de chauffage electrique d'un liquide caloporteur dans un radiateur
DE3903515A1 (de) * 1989-02-07 1990-08-09 Schlipphak Roland Wandbefestigbarer aus rohrelementen zusammengesetzter heizkoerper fuer einen sanitaerraum
ITPN20020029U1 (it) * 2002-05-24 2003-11-24 Irca Spa Dispositivo di controllo per organi riscaldanti.
CN104033952B (zh) * 2013-03-06 2016-12-28 王锦林 节能型多功能暖气散热器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR991956A (fr) * 1949-08-05 1951-10-12 Dispositif électrique destiné à produire l'échauffement continu de l'eau dans les radiateurs
FR1570420A (de) * 1966-12-20 1969-06-13
US3538307A (en) * 1968-09-03 1970-11-03 Custom Electric Mfg & Dist Co Electric baseboard heater
FR2351361A1 (fr) * 1976-05-14 1977-12-09 Brapal Sa Procede de chauffage par radiateurs electriques a eau

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR991956A (fr) * 1949-08-05 1951-10-12 Dispositif électrique destiné à produire l'échauffement continu de l'eau dans les radiateurs
FR1570420A (de) * 1966-12-20 1969-06-13
US3538307A (en) * 1968-09-03 1970-11-03 Custom Electric Mfg & Dist Co Electric baseboard heater
FR2351361A1 (fr) * 1976-05-14 1977-12-09 Brapal Sa Procede de chauffage par radiateurs electriques a eau

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0617238A1 (de) * 1993-03-22 1994-09-28 KERMI GmbH Steuervorrichtung für eine Heizeinrichtung bzw. Heizeinrichtung
EP1030131A3 (de) * 1999-02-15 2002-05-08 KERMI GmbH Heizkörper mit Ausgleichsgefäss
EP1077351A1 (de) * 1999-08-16 2001-02-21 Hager Electro S.A. Elektrisches Steuergerät für einen Heizkörper, insbesondere einen elektrischen Handtuchtrockner
CN100425914C (zh) * 2006-01-13 2008-10-15 庞一鸣 电热液取暖器减气压装置
WO2009127899A2 (en) * 2008-03-20 2009-10-22 Turk Demir Dokum Fabrikalari Anonim Sirketi Radiator with membrane expansion tube
WO2009127899A3 (en) * 2008-03-20 2011-04-14 Turk Demir Dokum Fabrikalari Anonim Sirketi Radiator with membrane expansion tube
US9574794B2 (en) 2009-03-10 2017-02-21 I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini Radiator, in particular for room heating
WO2010103468A1 (en) 2009-03-10 2010-09-16 I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini Radiator, in particular for room heating
ES2416835A1 (es) * 2012-01-30 2013-08-02 Casple, S.A. Radiador mixto
EP2742838A1 (de) 2012-12-17 2014-06-18 Atlantic Industrie Heizgerät vom Typ Handtuchtrockner
FR2999860A1 (fr) * 2012-12-17 2014-06-20 Atlantic Industrie Sas Appareil de chauffage de type radiateur seche-serviette
WO2014125310A3 (en) * 2013-02-14 2014-10-16 Schoinas Eleftherios Method for autonomous operation of radiator and appliance microboiler
US20160273784A2 (en) * 2013-02-14 2016-09-22 Eleftherios Schoinas Method for autonomous operation of radiator and appliance microboiler
CN104089325A (zh) * 2014-07-17 2014-10-08 马恩奇 一种简易型自动恒温电暖器
CN106765516A (zh) * 2016-11-18 2017-05-31 天津大学 一种碳纤维与供热管网耦合的智能限温供热系统
CN106765516B (zh) * 2016-11-18 2022-07-05 天津大学 一种碳纤维与供热管网耦合的智能限温供热系统
US11137147B2 (en) * 2018-03-26 2021-10-05 Ray King Variably heatable radiator

Also Published As

Publication number Publication date
FR2517031B1 (fr) 1985-12-20
DE3274292D1 (en) 1987-01-02
ATE23626T1 (de) 1986-11-15
FR2517031A1 (fr) 1983-05-27
EP0080428B1 (de) 1986-11-12

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