EP0680585A1 - Chaudiere electrique pour liquide caloporteur en circulation dans un circuit ouvert ou ferme - Google Patents
Chaudiere electrique pour liquide caloporteur en circulation dans un circuit ouvert ou fermeInfo
- Publication number
- EP0680585A1 EP0680585A1 EP95902177A EP95902177A EP0680585A1 EP 0680585 A1 EP0680585 A1 EP 0680585A1 EP 95902177 A EP95902177 A EP 95902177A EP 95902177 A EP95902177 A EP 95902177A EP 0680585 A1 EP0680585 A1 EP 0680585A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plates
- faces
- block
- heating
- heating block
- 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
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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/121—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium using electric energy supply
Definitions
- the present invention relates to a new type of boiler making it possible to bring a heat transfer liquid to a predetermined temperature.
- such exchangers are in the form of an assembly comprising plates having on their two faces corrugations, for example in the form of
- the heating block will be in the form of a parallelepiped assembly having a thickness significantly greater than the elementary plates making it possible to incorporate a heating resistor in its middle part.
- the heating block can comprise a single resistance, but its structure also makes it possible to envisage incorporating into the latter three electrical resistances connected to a three-phase source.
- such a heating block will have a thickness of fifteen to twenty millimeters, while the stamped elementary plates disposed on either side of said block have, in turn, a thickness in the order of three millimeters ( distance between the undulations of each face).
- the heating block is made of all heat conducting materials, in particular in materials such as metals (aluminum for example), graphite, plastics, composite materials.
- Such a block is preferably obtained by molding, an armored electrical resistance being incorporated during this operation.
- the ribs or corrugations, in the form of chevrons, as well as the peripheral groove on one of the faces for the installation of a seal, elements which correspond to those of an elementary plate stamped with a plate exchanger. are also carried out during this molding operation, although it could be envisaged to carry out later by machining.
- the two outer surfaces of said heating block can optionally receive a surface treatment depending on the nature of the liquid flowing against these walls. Such a treatment can be carried out with a coating of polyethylene tetrafluoroethylene, chromium, nickel among others.
- FIG. 1 is a schematic exploded perspective view showing the general structure of the simplest form of a boiler produced in accordance with the invention, the bottoms and tie rods making it possible to associate the various elements involved in the production of a such a boiler not being represented by simplification measure;
- FIGS. 2A and 2B are elevational views of the two faces of the heating block according to the invention used in the production of such a boiler;
- FIG. 3 is a detail view of the circled part of Figure 2A, showing in section the structure of said heating block;
- FIG. 4 and 5 illustrate a variant of a boiler according to the invention comprising two juxtaposed heating blocks, in order to increase the power as well as the different types of fluid circulation which it is possible to obtain by means of a such a boiler.
- the boiler according to the invention which makes it possible to bring to a predetermined temperature a heat transfer liquid (FC) circulating in a circuit which can be opened or closed, has the following structure.
- FC heat transfer liquid
- this boiler consists essentially of two stamped plates (P) having on their two faces, corrugations, for example in the form of chevrons oriented in the same direction.
- These plates (P) have in their corners openings which delimit, when stacked, inlet and outlet passages allowing the circulation of a fluid, circulation obtained by means of a peripheral seal (J) associated with one of the faces of each plate (P).
- a heating block (I) is interposed which is in the form of a homogeneous block inside which an electrical resistance (R) is embedded, and this in its middle part (see Figures 2a, 2b and 3).
- This resistance is of the armored type and its incorporation is carried out during the molding of the block (I), block which can be based on all conductive materials such as metal (aluminum), graphite, plastic material.
- this block (I) as well as the structure of these external faces (A, B), correspond to those of the stamped elementary plates (P), except that the corrugations in the form of chevrons present on its faces external (A, B), are oriented in opposite directions, which has the advantage, as will be seen in the following description, of being able to optionally juxtapose several heating blocks when it is desired to increase the power while having electrical connections arranged on the same side of the plates.
- the liquid (FC) s 'therefore flows against the surface of the heating block (I) in the channels formed by the cooperation of the corrugations which have the faces of said block (I) with those which comprise the facing surfaces of the pressed plates (P).
- an electric boiler according to the invention using two conventional stamped elementary plates (P) for the production of heat exchangers having a dimension of 350 ⁇ 102 and a thickness taken between the tops undulations of said plate of the order of three millimeters, by interposing between two elementary plates (P) a heating block (I) having a thickness of fifteen millimeters inside which is embedded a heating resistor of the armored type, having a diameter of about 6.5 mm and a power of 3000 watts / 220 volts.
- the resistor (R) has a configuration such that it extends in the middle part of the heating block, and this inside the surface defined by the peripheral seal (I). Such a design makes it easy to make boilers that are easy to assemble from elements that can be mass produced.
- such a design also makes it possible to easily adapt the power of the boiler as required.
- the power being directly proportional to the number of heating blocks, it is possible to increase it by juxtaposing a determined number of modules, as illustrated in FIG. 2 (two stamped plates, one heating block), the circulation of heat transfer fluid always carried out between the heating blocks and the pressed plates.
- FIGS. 4 and 5 Another possibility for increasing the power of the boiler can consist, as is shown in FIGS. 4 and 5, of juxtaposing several heating plates, the total power also being proportional to the number of heating blocks (I).
- the elementary stamped plates (P) two in number, enclose between them two heating blocks (I) juxtaposed. It is obvious that a boiler could be produced comprising a larger number of juxtaposed heating blocks (I).
- FIG. 5 illustrates the same type of boiler adapted to a low fluid flow rate but with a large temperature difference, the circulation of the fluid then being carried out in series (multi-pass circulation). To do this, it suffices alternately to close the openings (3) and (6) of the successive plates.
- the heat exchange between the heating block (s) and the liquid in circulation is practically perfect, uniform, without point of overheating, such as for example the temperature difference between the faces of said heating block is only about 2 ° C. for a temperature at 90 ° C.
- the invention is not limited to the embodiment described above, but it covers all the variants produced in the same spirit.
- it could be envisaged to have a heating block in which the corrugations on the two faces (A, B) are oriented in the same direction, but then the electrical assembly would be complicated.
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)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Central Heating Systems (AREA)
- Table Equipment (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9314351A FR2712964B1 (fr) | 1993-11-25 | 1993-11-25 | Chaudière électrique pour liquide caloporteur en circulation dans un circuit ouvert ou fermé. |
FR9314351 | 1993-11-25 | ||
PCT/FR1994/001377 WO1995014893A1 (fr) | 1993-11-25 | 1994-11-25 | Chaudiere electrique pour liquide caloporteur en circulation dans un circuit ouvert ou ferme |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0680585A1 true EP0680585A1 (fr) | 1995-11-08 |
EP0680585B1 EP0680585B1 (fr) | 1998-05-27 |
Family
ID=9453398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95902177A Expired - Lifetime EP0680585B1 (fr) | 1993-11-25 | 1994-11-25 | Chaudiere electrique pour liquide caloporteur en circulation dans un circuit ouvert ou ferme |
Country Status (9)
Country | Link |
---|---|
US (1) | US5727118A (fr) |
EP (1) | EP0680585B1 (fr) |
AT (1) | ATE166711T1 (fr) |
CA (1) | CA2154360A1 (fr) |
DE (1) | DE69410594T2 (fr) |
DK (1) | DK0680585T3 (fr) |
ES (1) | ES2119367T3 (fr) |
FR (1) | FR2712964B1 (fr) |
WO (1) | WO1995014893A1 (fr) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2305233A (en) * | 1995-09-15 | 1997-04-02 | Welwyn Components Ltd | Water heater with thick film printed circuit |
WO1998058826A1 (fr) * | 1997-06-24 | 1998-12-30 | Micro-Heat, Inc. | Degivrage de pare-brise |
FR2775066B1 (fr) * | 1998-02-18 | 2000-06-02 | Joel Bucaille | Plaque destinee a former un echangeur et procede d'utilisation |
AUPP410598A0 (en) | 1998-06-15 | 1998-07-09 | Aos Pty Ltd | Heat exchangers |
AU768717C (en) * | 1998-06-15 | 2004-07-01 | Rheem Australia Pty Limited | Water heater and water heater component construction |
US6669109B2 (en) * | 1998-11-06 | 2003-12-30 | Micro-Heat Inc | Apparatus for cleaning or de-icing a vehicle window |
JP2003517559A (ja) * | 1999-12-14 | 2003-05-27 | リーム オーストラリア ピーティーワイ リミテッド | ウォーターヒータ及びウォーターヒータ部材構造 |
AUPQ792400A0 (en) * | 2000-06-02 | 2000-06-29 | Southcorp Australia Pty Ltd | Improved heat exchange element |
SE516844C3 (sv) * | 2000-07-07 | 2002-04-17 | Alfa Laval Ab | Plattvärme/plattvärmeväxlare med elektriskt uppvärmbara skikt i dubbelväggiga plattelement |
FR2823995B1 (fr) * | 2001-04-25 | 2008-06-06 | Alfa Laval Vicarb | Dispositif perfectionne d'echange et/ou de reaction entre fluides |
ATE451970T1 (de) * | 2001-05-14 | 2010-01-15 | Heat Investors Llc M | System und verfahren zur reinigung oder enteisung einer windschutzscheibe |
DE20211040U1 (de) * | 2002-07-22 | 2002-11-21 | Elite Plus Int'l Inc., Pali Hsiang, Taipeh | Energietauscher |
WO2004035358A2 (fr) * | 2002-10-21 | 2004-04-29 | Microheat Inc. | Appareil et procede de nettoyage ou de degivrage d'elements de vehicule |
WO2005076735A2 (fr) * | 2004-02-12 | 2005-08-25 | Microheat Inc. | Appareil et procede de nettoyage et de degivrage |
TW200738328A (en) * | 2006-03-31 | 2007-10-16 | Lonza Ag | Micro-reactor system assembly |
US8391695B2 (en) | 2006-07-24 | 2013-03-05 | M-Heat Investors, Llc | Vehicle surfaces cleaning and de-icing system and method |
US8666238B2 (en) * | 2008-08-06 | 2014-03-04 | Nexthermal Corporation | Fluid preheater |
EP2689945B1 (fr) * | 2012-07-24 | 2017-05-31 | MAHLE Behr GmbH & Co. KG | Dispositif de chauffage |
EP2757336B1 (fr) * | 2013-01-18 | 2017-11-08 | Robert Bosch Gmbh | Échangeur de chaleur avec transfert de chaleur optimisé et dispositif de chauffage doté d'un tel échangeur de chaleur |
EP2957848A1 (fr) * | 2014-06-17 | 2015-12-23 | Alfa Laval Corporate AB | Dispositif de chauffage et installation d'échangeur de chaleur |
DE102015012557A1 (de) * | 2015-09-25 | 2017-03-30 | Webasto SE | Wärmetauscher und Fahrzeugheizgerät mit einem Wärmetauscher |
CN111425839A (zh) * | 2020-02-27 | 2020-07-17 | 陶礼德 | 模块集成速热式电锅炉主机及其制造工艺 |
ES2947513T3 (es) * | 2020-12-15 | 2023-08-10 | Alfa Laval Corp Ab | Placa de transferencia de calor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE415928B (sv) * | 1979-01-17 | 1980-11-10 | Alfa Laval Ab | Plattvermevexlare |
NL8700430A (nl) * | 1987-02-20 | 1988-09-16 | Texas Instruments Holland | Verwarmingsinrichting voor brandstof, in het bijzonder dieselolie. |
FR2689227B1 (fr) * | 1992-03-27 | 1999-05-14 | Joel Bucaille | Dispositif de regulation thermique d'un fluide en circulation. |
-
1993
- 1993-11-25 FR FR9314351A patent/FR2712964B1/fr not_active Expired - Fee Related
-
1994
- 1994-11-25 AT AT95902177T patent/ATE166711T1/de not_active IP Right Cessation
- 1994-11-25 ES ES95902177T patent/ES2119367T3/es not_active Expired - Lifetime
- 1994-11-25 US US08/491,932 patent/US5727118A/en not_active Expired - Fee Related
- 1994-11-25 WO PCT/FR1994/001377 patent/WO1995014893A1/fr active IP Right Grant
- 1994-11-25 EP EP95902177A patent/EP0680585B1/fr not_active Expired - Lifetime
- 1994-11-25 CA CA002154360A patent/CA2154360A1/fr not_active Abandoned
- 1994-11-25 DK DK95902177T patent/DK0680585T3/da active
- 1994-11-25 DE DE69410594T patent/DE69410594T2/de not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9514893A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2154360A1 (fr) | 1995-06-01 |
WO1995014893A1 (fr) | 1995-06-01 |
DK0680585T3 (da) | 1999-03-22 |
ES2119367T3 (es) | 1998-10-01 |
ATE166711T1 (de) | 1998-06-15 |
US5727118A (en) | 1998-03-10 |
FR2712964A1 (fr) | 1995-06-02 |
EP0680585B1 (fr) | 1998-05-27 |
DE69410594D1 (de) | 1998-07-02 |
FR2712964B1 (fr) | 1995-12-29 |
DE69410594T2 (de) | 1999-03-25 |
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