EP1156704B1 - 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
- EP1156704B1 EP1156704B1 EP01401278A EP01401278A EP1156704B1 EP 1156704 B1 EP1156704 B1 EP 1156704B1 EP 01401278 A EP01401278 A EP 01401278A EP 01401278 A EP01401278 A EP 01401278A EP 1156704 B1 EP1156704 B1 EP 1156704B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- thermal cut
- radiator
- heating
- electrical
- heat conducting
- 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.)
- Expired - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000007654 immersion Methods 0.000 title claims description 19
- 239000012530 fluid Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 abstract description 7
- 239000002826 coolant Substances 0.000 description 15
- 238000013021 overheating Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000003287 bathing Methods 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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 an immersion heater that can be used in particular in a heating radiator with water circulation.
- This device is usually placed vertically in a collector tube of a heating radiator to water circulation, such as for example a radiator towel warmers, thereby heating the water in this radiator.
- the lack of water in the radiator causes a overheating of the immersion heater device go to destruction.
- the present invention aims to eliminate the above disadvantage by proposing a device forming an immersion heater at a temperature determined lower than an overheating temperature in case of lack of water in the radiator.
- the device forming an immersion heater of the type comprising a collector in the form of a tube closed tightly to both its ends and containing a coolant to be heated and, housed in the collector while bathing in the liquid coolant, a heated waterproof cartridge to internal heating electric resistance drowned in the cartridge being electrically isolated from this last, is characterized in that it comprises a circuit breaker thermal housed in the way collector sealed by being electrically isolated from the liquid coolant and connected in series with the resistance electric heating occupying a position normally closed power supply of this resistance, the thermal cut-out open when the coolant is abnormally heated to a temperature equal to or greater than predetermined threshold value.
- the immersion heater device further comprises a connected electrical resistance parallel to the thermal cut-out and allowing the passage of an electric current in the resistance electric heating when the thermal cut-out is open and of value ensuring the heating of the coolant at a holding temperature of thermal cut-out in open position.
- the maintenance temperature of the circuit breaker at its open position is below the threshold temperature predetermined.
- the thermal circuit breaker is brought to again in the closed position by disconnecting the resistance electric heating from its power source up that the coolant has cooled.
- the thermal circuit breaker is constituted by a bimetallic strip.
- the thermal cut-out 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 housing of thermal cut-out and resistance parallel electric.
- the invention also relates to a radiator circulating water heating, such as for example a towel radiator, and which is characterized in that it is equipped with a device immersion heater such that previously defined.
- the immersion heater device will be described in the application to a heating radiator to 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 can be used for other different applications requiring the heating of a liquid or a fluid.
- a heating radiator to 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 can be used for other different applications requiring the heating of a liquid or a fluid.
- the device forming immersion heater comprises a collector 1 in the form of a tube cylindrical metal tightly closed to both ends and containing a coolant to be heated 2, which can be electrically insulating and constituted by mineral oil, preferably of the parafinic type to high viscosity index.
- a coolant to be heated 2 which can be electrically insulating and constituted by mineral oil, preferably of the parafinic type to high viscosity index.
- the oil mineral is that of SHELL marketed under the name "SHELLFLEX" type 110 FC.
- the device further comprises, housed in the collector 1 while bathing in the coolant 2, a heating cartridge 3 for heating the coolant 2 to carry the radiator water to a certain temperature.
- the heating cartridge 3 is consisting of a cylindrical metal tube 4 in which is an internal electrical resistance 5 embedded in magnesia M compacted in the tube 4 to electrically isolate the resistance 5 of the tube 4.
- the resistor 5 may consist of a wire spirally wound conductor with contiguous turns or not having substantially the shape of an elongated U so that these two free ends coming out of the tube 4 are connected respectively to two external lead wires power supply 6.
- the heating cartridge 3 is fixed in the collector 1 substantially coaxially with it in having one of its floating free ends and its opposite end secured to a support sleeve 7 made of an electrically insulating material attached to through one of the end walls of the collector 1.
- the support sleeve 7 comprises a cylindrical portion threaded externally 7a to engage in a hole corresponding tapped 1b through the end wall 1a of the collector 1 and a flange portion 7b bearing on the outer face of the wall end end when the support sleeve 7 is blocked by screwing into the wall la.
- This sleeve includes in addition to a cylindrical end 7c in which is secured by welding or gluing, the end corresponding to the heating cartridge 3.
- the wires feed 6 connected to both ends of the heating resistor 5 pass through an internal bore of the support sleeve 7 to protrude outside the collector 1.
- the immersion heater device describes up now conforms to that described in the application for French Patent No. 2,777,410 previously mentioned.
- the device forming immersion heater further comprises a circuit breaker or thermal switch 8 housed tightly in the collector 1 being connected in series with the resistor Electric heater 5.
- the circuit breaker 8 is preferably constituted by a bimetallic diagrammatic figure 2 and 3, occupying a normally closed position power supply of the resistance 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 cut-out 8 and allows the passage of a electric current in the heating resistor 5 when the thermal cut-out 8 is open.
- the resistor 9 has an ohmic value ensuring the passage a current for heating the liquid coolant 2 at a maintenance temperature of the circuit breaker thermal 8 in the open position, this holding temperature being below the temperature predetermined threshold.
- the circuit breaker 8 and the resistor 9 can be housed in a sealed housing 10 embedded in the liquid coolant 2 and secured to the tube 4 of the cartridge 3 in extending coaxially this one.
- the housing 10 can be fixed for example by welding to the 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 the passage of the heating resistor 3 for its connection with the circuit breaker 8 and 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 radiators with water circulation, a thermostat 13 is also connected in series with the fuse 12. This last and the thermostat 13 can be housed in the housing 10.
- Circuit breaker 8 and parallel resistance 9 can be encapsulated in a small housing 14 housed in the housing 10.
- the thermal cut-out 8 occupies its closure position shown in Figure 2 and the radiator normally heats the ambient environment with adjustment of the heating temperature using the
- the normal temperature of heater heater device can be attached to about 80 ° C for a nominal electric power of the electrical resistance 5 of about 900 Watts.
- the circuit breaker thermal 8 will open from a temperature of predetermined threshold of the immersion heater, for example to from 150 ° C, as shown in Figure 3, and the resistor 9 then let a current flow, for example milliamps, which corresponds to a value of determined temperature below the temperature of threshold above, to maintain in position the circuit breaker 8.
- the value ohmic resistance 9 can be established so that the thermal circuit breaker is held in position opening at a temperature of the order of 100 to 110 ° C preventing the closing of this thermal cut-out.
Landscapes
- Resistance Heating (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (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)
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 EP1156704A1 (fr) | 2001-11-21 |
| EP1156704B1 true 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4641109A1 (fr) * | 2024-04-24 | 2025-10-29 | Guandong Midea Kitchen and Bath Appliances MFG. Co., Ltd. | Tube chauffant, chauffe-eau à sec et chauffe-eau |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITVI20030248A1 (it) * | 2003-12-09 | 2005-06-10 | Luigi Borelli | Gruppo riscaldante per elementi radianti a fluido diatermico |
| ITVI20050330A1 (it) * | 2005-12-07 | 2007-06-08 | Ht Spa | Resistenza elettrica con elementi riscaldanti ptc a basso consumo energetico |
| DE102007061837B3 (de) * | 2007-12-20 | 2009-01-29 | Robert Bosch Gmbh | Heizvorrichtung mit Multifunktionsschutzmittel |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4797534A (en) * | 1987-06-08 | 1989-01-10 | Gte Products Corporation | PTC thermistor heating device |
| FR2777410B1 (fr) * | 1998-04-09 | 2002-06-28 | Acova | Dispositif formant thermoplongeur pouvant etre utilise notamment dans un radiateur de chauffage a circulation d'eau |
-
2000
- 2000-05-17 FR FR0006296A patent/FR2809276B1/fr not_active Expired - Fee Related
-
2001
- 2001-05-16 DE DE60100107T patent/DE60100107D1/de not_active Expired - Lifetime
- 2001-05-16 ES ES01401278T patent/ES2193126T3/es not_active Expired - Lifetime
- 2001-05-16 EP EP01401278A patent/EP1156704B1/fr not_active Expired - Lifetime
- 2001-05-16 AT AT01401278T patent/ATE233038T1/de not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4641109A1 (fr) * | 2024-04-24 | 2025-10-29 | Guandong Midea Kitchen and Bath Appliances MFG. Co., Ltd. | Tube chauffant, chauffe-eau à sec et chauffe-eau |
Also Published As
| Publication number | Publication date |
|---|---|
| DE60100107D1 (de) | 2003-03-27 |
| FR2809276A1 (fr) | 2001-11-23 |
| EP1156704A1 (fr) | 2001-11-21 |
| ES2193126T3 (es) | 2003-11-01 |
| FR2809276B1 (fr) | 2002-07-19 |
| ATE233038T1 (de) | 2003-03-15 |
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