EP1156704A1 - Dispositif formant thermoplongeur pouvant être utilisé notammant dans un radiateur de chauffage à circulation d'eau - Google Patents
Dispositif formant thermoplongeur pouvant être utilisé notammant dans un radiateur de chauffage à circulation d'eau Download PDFInfo
- Publication number
- EP1156704A1 EP1156704A1 EP01401278A EP01401278A EP1156704A1 EP 1156704 A1 EP1156704 A1 EP 1156704A1 EP 01401278 A EP01401278 A EP 01401278A EP 01401278 A EP01401278 A EP 01401278A EP 1156704 A1 EP1156704 A1 EP 1156704A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit breaker
- heating
- thermal circuit
- radiator
- transfer liquid
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0202—Switches
- H05B1/0213—Switches using bimetallic elements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0275—Heating of spaces, e.g. rooms, wardrobes
- H05B1/0283—For heating of fluids, e.g. water heaters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/78—Heating arrangements specially adapted for immersion heating
- H05B3/82—Fixedly-mounted immersion heaters
Definitions
- the present invention relates to a device forming immersion heater which can be used in particular in a water circulation heating radiator.
- This device is generally placed vertically in a collecting tube of a space heating radiator water circulation, such as for example a radiator towel dryer, so heat the water in this radiator.
- a space heating radiator water circulation such as for example a radiator towel dryer
- the object of the present invention is to eliminate the above drawback by proposing a device forming immersion heater self-maintained at a temperature determined below a superheat temperature in if there is no water in the radiator.
- the device forming immersion heater of the type comprising a collector in the form of a tube tightly closed to both ends and containing a heat transfer liquid to be heated and, housed in the collector while immersed in the liquid coolant, a waterproof cartridge heating to internal heating electrical resistance embedded in the cartridge by being electrically isolated from this last, is characterized in that it includes a circuit breaker thermal housed in the collector so waterproof by being electrically isolated from the liquid coolant and connected in series with the resistor electric heater occupying a position normally closed power supply of this resistance, the thermal circuit breaker being able open when the heat transfer fluid is abnormally heated to a temperature equal to or greater than one predetermined threshold value.
- the immersion heater device further includes an electrical resistor connected in parallel to the thermal cut-out and allowing the passage of an electric current in the resistance electric heater when the thermal cut-out is open and of a value ensuring the heating of the heat transfer liquid at a holding temperature of thermal circuit breaker in open position.
- the temperature keeping the circuit breaker at open position is below the threshold temperature predetermined.
- thermal cut-out is brought to again in closed position by disconnecting the resistance electric heater from its power source to the coolant has cooled down.
- the thermal circuit breaker is consisting of a bimetallic strip.
- the thermal circuit breaker and the electrical resistance in parallel are housed in a waterproof housing integral with the cartridge.
- the device further comprises a fuse connected in series with the heating resistor and housed in the thermal cut-out and resistance box parallel electric.
- the invention also relates to a radiator for water circulation heating, such as for example a towel radiator, and which is characterized in that that it is equipped with an immersion heater device such as previously defined.
- the immersion heater device will be described in the application to a heating radiator at water circulation, such as for example a radiator towel dryer, in which it is integrated for heat the circulating water, but it is understood that it can be used for other different applications requiring the heating of a liquid or a fluid.
- the device forming immersion heater includes a tube-shaped manifold 1 cylindrical metal closed tightly to both ends and containing a heat transfer liquid to be heated 2, which can be electrically insulating and constituted by mineral oil, preferably of the parafinic type to high viscosity index.
- mineral oil is that of the company SHELL marketed under the name "SHELLFLEX" type 110 FC.
- the device further comprises, housed in the collector 1 by bathing in the heat transfer liquid 2, a heating cartridge 3 for heating the heat transfer liquid 2 to bring water from the radiator to a certain temperature.
- the heating cartridge 3 is consisting of a metallic cylindrical tube 4 in which has an internal electrical resistance heater 5 embedded in magnesia M compacted in the tube 4 in order to electrically isolate the resistor 5 from the tube 4.
- Resistor 5 can consist of a wire conductor wound in a spiral with contiguous or non-contiguous turns having substantially the shape of an elongated U so that these two free ends leaving the tube 4 are connected respectively to two external conductive wires supply 6.
- the heating cartridge 3 is fixed in the collector 1 substantially coaxially with the latter in having one of its floating free ends and its opposite end secured to a support sleeve 7 made of an electrically insulating material fixed to through one 1a of the end walls of the manifold 1.
- the support sleeve 7 comprises a cylindrical part externally threaded 7a to engage in a hole corresponding thread 1b passing through the end wall 1a of the manifold 1 and a flange portion 7b coming to bear on the external face of the wall end when the support sleeve 7 is blocked by screwing into the wall.
- This sleeve includes besides a cylindrical end 7c in which is secured, by welding or gluing, the end corresponding to the heating cartridge 3.
- the wires power supply 6 connected to both ends of the heating resistance 5 pass through an internal bore of the support sleeve 7 for projecting outside the collector 1.
- the device forming immersion heater further includes a circuit breaker or thermal switch 8 sealed in the collector 1 by being connected in series with the resistor electric heater 5.
- the circuit breaker 8 is preferably consisting of a bimetal diagram schematically in the figures 2 and 3, occupying a normally closed position electric power supply to the resistor heating 5 and can open when the liquid coolant 2 is brought to an abnormal temperature of overheating greater than or equal to a threshold value predetermined.
- An electrical resistance 9 is connected in parallel to the thermal circuit breaker 8 and allows the passage of a electric current in the heating resistor 5 when the thermal circuit breaker 8 is open.
- the resistance 9 has an ohmic value ensuring the passage a current allowing the heating of the liquid coolant 2 at a circuit breaker holding temperature thermal 8 in the open position, this holding temperature being below the temperature of predetermined threshold.
- the circuit breaker 8 and the resistor 9 can be housed in a waterproof case 10 embedded in the liquid coolant 2 and integral with the tube 4 of the cartridge 3 in coaxially extending it.
- Box 10 can be fixed for example by welding to tube 4 of the cartridge 3 with the presence of a transverse wall of separation 11 between housing 10 and tube 4, the wall 11 being provided with two holes for passage of the heating resistor 3 for its connection with the circuit breaker 8 and the parallel resistance 9.
- a fuse 12 is connected in series with the resistor 5 of circuit breaker 8 and, as is known in the area of water circulation radiators, thermostat 13 is also connected in series with the fuse 12. This and thermostat 13 can be accommodated in the housing 10.
- the circuit breaker 8 and the parallel resistor 9 can be encapsulated in a small housing 14 housed in the housing 10.
- the thermal circuit breaker 8 occupies its closed position shown in Figure 2 and the radiator normally heats the ambient environment with adjustment of the heating temperature using the thermostat 13.
- the normal temperature of heater of the immersion heater can be attached to about 80 ° C for a nominal electrical power of the electrical resistance 5 of approximately 900 Watts.
- the circuit breaker thermal 8 will open from a temperature of predetermined threshold of the immersion heater, for example at from 150 ° C, as shown in Figure 3, and the resistor 9 then lets a current flow, for example of a few milliamps, which corresponds to a value of determined temperature below the temperature of threshold above reached, to maintain in position the circuit breaker 8.
- the value ohmic resistance 9 can be set so that the thermal cut-out is kept in position opening at a temperature of the order of 100 to 110 ° C preventing the closing of this thermal circuit breaker.
Landscapes
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Resistance Heating (AREA)
- Control Of Resistance Heating (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
Description
- la figure 1 est une vue en coupe longitudinale du dispositif formant thermoplongeur de l'invention ;
- la figure 2 représente le schéma électrique du dispositif formant thermoplongeur à coupe-circuit thermique conforme à l'invention en position normalement fermée ; et
- la figure 3 est une vue du schéma électrique de la figure 2 où le coupe-circuit thermique est maintenu en position d'ouverture suite à une surchauffe du dispositif formant thermoplongeur.
Claims (9)
- Dispositif formant thermoplongeur comprenant un collecteur (1) en forme de tube fermé de façon étanche à ses deux extrémités et contenant un liquide caloporteur à chauffer (2) et, logée dans le collecteur (1) en baignant dans le liquide caloporteur (2), une cartouche étanche chauffante (3) à résistance électrique interne chauffante (5) noyée dans la cartouche (3) en étant électriquement isolée de cette dernière, caractérisé en ce qu'il comprend un coupe-circuit thermique (8) logé dans le collecteur (1) de façon étanche en étant électriquement isolé du liquide caloporteur (2) et relié en série avec la résistance électrique chauffante (5) en occupant une position normalement fermée d'alimentation en courant électrique de la résistance électrique (5), le coupe-circuit thermique (8) pouvant s'ouvrir lorsque le liquide caloporteur (2) est anormalement chauffé à une température égale ou supérieure à une valeur de seuil prédéterminée.
- Dispositif selon la revendication 1, caractérisé en ce qu'il comprend en outre une résistance électrique (9) reliée en parallèle au coupe-circuit thermique (8) et permettant le passage d'un courant électrique dans la résistance électrique chauffante (5) lorsque le coupe-circuit thermique (8) est ouvert et d'une valeur assurant le chauffage du liquide caloporteur à une température de maintien du coupe-circuit thermique (8) en position ouverte.
- Dispositif selon la revendication 2, caractérisé en ce que la température de maintien du coupe-circuit thermique (8) en position ouverte est inférieure à la température de seuil prédéterminée.
- Dispositif selon la revendication 2 ou 3, caractérisé en ce que le coupe-circuit thermique (8) est amené à nouveau en position fermée en débranchant la résistance électrique chauffante (5) de sa source d'alimentation jusqu'à ce que le liquide caloporteur (2) se soit refroidi.
- Dispositif selon l'une des revendications précédentes, caractérisé en ce que le coupe-circuit thermique (8) est constitué par un bilame.
- Dispositif selon l'une des revendications précédentes, caractérisé en ce que le coupe-circuit thermique (8) et la résistance électrique en parallèle (9) sont logés dans un boítier étanche (10) solidaire de la cartouche (3).
- Dispositif selon la revendication 6, caractérisé en ce qu'il comprend un fusible (12) relié en série avec la résistance chauffante (5) et logé dans le boítier (10) du coupe-circuit thermique (8) et de la résistance électrique parallèle (9).
- Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'il est disposé dans un radiateur de chauffage à circulation d'eau, tel que par exemple un radiateur sèche-serviettes.
- Radiateur de chauffage à circulation d'eau, tel que par exemple un radiateur sèche-serviettes, caractérisé en ce qu'il est équipé d'un dispositif thermoplongeur tel que défini dans l'une quelconque des revendications 1 à 8.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0006296 | 2000-05-17 | ||
FR0006296A FR2809276B1 (fr) | 2000-05-17 | 2000-05-17 | Dispositif formant thermoplongeur pouvant etre utilise notamment dans un radiateur de chauffage a circulation d'eau |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1156704A1 true EP1156704A1 (fr) | 2001-11-21 |
EP1156704B1 EP1156704B1 (fr) | 2003-02-19 |
Family
ID=8850322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01401278A Expired - Lifetime EP1156704B1 (fr) | 2000-05-17 | 2001-05-16 | Dispositif formant thermoplongeur pouvant être utilisé notammant dans un radiateur de chauffage à circulation d'eau |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1156704B1 (fr) |
AT (1) | ATE233038T1 (fr) |
DE (1) | DE60100107D1 (fr) |
ES (1) | ES2193126T3 (fr) |
FR (1) | FR2809276B1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1655546A1 (fr) * | 2003-12-09 | 2006-05-10 | BORELLI Luigi | Groupe chauffante pour éléments radiantes à fluide diathermique |
EP1796433A1 (fr) * | 2005-12-07 | 2007-06-13 | HT S.p.A. | Résistance électrique muni d'éléments chauffants PTC à faible consommation d'énergie |
EP2073602A3 (fr) * | 2007-12-20 | 2009-11-11 | Robert Bosch GmbH | Dispositif de chauffage doté d'un moyen de protection multifonction |
FR3075551A1 (fr) * | 2017-12-20 | 2019-06-21 | Valeo Systemes Thermiques | Dispositif de chauffage, circuit electrique equipe d'un tel dispositif et rechauffeur de fluide comprenant un tel circuit |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4797534A (en) * | 1987-06-08 | 1989-01-10 | Gte Products Corporation | PTC thermistor heating device |
EP0949846A1 (fr) * | 1998-04-09 | 1999-10-13 | Acova | Thermoplongeur pouvant être utilisé dans un radiateur de chauffage à circulation d'eau |
-
2000
- 2000-05-17 FR FR0006296A patent/FR2809276B1/fr not_active Expired - Fee Related
-
2001
- 2001-05-16 ES ES01401278T patent/ES2193126T3/es not_active Expired - Lifetime
- 2001-05-16 AT AT01401278T patent/ATE233038T1/de not_active IP Right Cessation
- 2001-05-16 EP EP01401278A patent/EP1156704B1/fr not_active Expired - Lifetime
- 2001-05-16 DE DE60100107T patent/DE60100107D1/de not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4797534A (en) * | 1987-06-08 | 1989-01-10 | Gte Products Corporation | PTC thermistor heating device |
EP0949846A1 (fr) * | 1998-04-09 | 1999-10-13 | Acova | Thermoplongeur pouvant être utilisé dans un radiateur de chauffage à circulation d'eau |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1655546A1 (fr) * | 2003-12-09 | 2006-05-10 | BORELLI Luigi | Groupe chauffante pour éléments radiantes à fluide diathermique |
EP1796433A1 (fr) * | 2005-12-07 | 2007-06-13 | HT S.p.A. | Résistance électrique muni d'éléments chauffants PTC à faible consommation d'énergie |
EP2073602A3 (fr) * | 2007-12-20 | 2009-11-11 | Robert Bosch GmbH | Dispositif de chauffage doté d'un moyen de protection multifonction |
FR3075551A1 (fr) * | 2017-12-20 | 2019-06-21 | Valeo Systemes Thermiques | Dispositif de chauffage, circuit electrique equipe d'un tel dispositif et rechauffeur de fluide comprenant un tel circuit |
Also Published As
Publication number | Publication date |
---|---|
FR2809276A1 (fr) | 2001-11-23 |
DE60100107D1 (de) | 2003-03-27 |
FR2809276B1 (fr) | 2002-07-19 |
ATE233038T1 (de) | 2003-03-15 |
ES2193126T3 (es) | 2003-11-01 |
EP1156704B1 (fr) | 2003-02-19 |
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