EP0933602B1 - Dispositif de gestion électronique pour chauffe-eau électrique à accumulation - Google Patents
Dispositif de gestion électronique pour chauffe-eau électrique à accumulation Download PDFInfo
- Publication number
- EP0933602B1 EP0933602B1 EP99400031A EP99400031A EP0933602B1 EP 0933602 B1 EP0933602 B1 EP 0933602B1 EP 99400031 A EP99400031 A EP 99400031A EP 99400031 A EP99400031 A EP 99400031A EP 0933602 B1 EP0933602 B1 EP 0933602B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water heater
- electronic
- intended
- cathodic protection
- supply
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 44
- 238000004210 cathodic protection Methods 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Images
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
- F24H9/40—Arrangements for preventing corrosion
- F24H9/45—Arrangements for preventing corrosion for preventing galvanic corrosion, e.g. cathodic or electrolytic means
- F24H9/455—Arrangements for preventing corrosion for preventing galvanic corrosion, e.g. cathodic or electrolytic means for water 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
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/212—Temperature of the water
- F24H15/223—Temperature of the water in the water storage tank
-
- 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
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage 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
- F24H9/40—Arrangements for preventing corrosion
- F24H9/45—Arrangements for preventing corrosion for preventing galvanic corrosion, e.g. cathodic or electrolytic means
Definitions
- the invention relates to a management device electronics for electric storage water heaters.
- Thermostatic regulation and tripping in heating resistor supply security of an electric storage water heater is generally provided by an electromechanical thermostat.
- These thermostats electromechanical devices of known type generally occur in the form of assemblies comprising probes temperature, bimetallic rod, disc or bulb expansion of liquid acting mechanically on electrical power contacts.
- thermostats as a means thermostatic regulation and tripping in security is little known in this application.
- the resistance of the water heater is supplied by multi-position contactors presenting generally three operating modes: a automatic operation, in which the resistance of the water heater is supplied by piloting by means of a signal issued by the electric company during the periods corresponding to off-peak hours or the night tariff; a operating mode ensuring that the resistance of the water heater; and a mode of operation in forced march to ensure a permanent supply, for example in case of lack of hot water.
- contactors are shown under generally modular electrical elements in the general electrical panel of the installation, at a certain distance from the water heater.
- the document DE 35 25 323 A1 describes a method and a device to capture, regulate and / or control the operation of a hot water accumulator.
- the device includes means for thermostatic regulation and safe triggering, cathodic protection means by impressed current anode and contactor means supply of the heating resistance of the water heater electric.
- An object of the invention is to improve the state of the known technique, by simple and economical manufacture, a improved control accuracy by using electronic means, and adaptability to piloting distance, for example by electronic management centralized.
- the subject of the invention is a management device electronic device intended to ensure the electronic management of a electric storage water heater, comprising combination: electronic means of regulation thermostatic and safety release, means of cathodic protection by impressed current anode intended for provide cathodic protection of the water heater tank, and power contactor means for the supply of a water heater heating resistor electric, characterized in that the supply of the device, cathodic protection means and means forming contactor are mounted on an electronic card main intended to be secured to a water heater electric storage.
- the invention also relates to a water heater electric storage, with a management device electronics according to the invention.
- a device comprises a permanent supply 1 powered for example by three wires comprising a phase P, a neutral wire N and a ground, a fuse 5 of cut-out with voluntary manual reset, a contactor 6 regulation, a safety contactor 7, a contactor 8 to three positions for running operation forced, automatic operation during off-peak periods, and stopped for a power off, a circuit 9 detecting the presence of water to avoid dry heating of the tank and ensuring anti-degassing security to avoid release of hydrogen in the tank, a generator 10 of tank protection current, and a flow indicator 11 current indicating sufficient water filling and a electrical protection of the water heater.
- a secondary card inserted in the DG thermowell of the water heater carries a temperature probe 2, a regulation and safety amplifier 3 and a sensor 4 temperature for safety triggering.
- the main electronic card contactors allow the DC heating element to be supplied with water heater while the protective current flowing between the insulated anode A and the tank C of the water heater ensures cathodic protection of the tank.
- the power supply 1 provides in a known manner from a voltage alternative continuous supply of the device according to the invention, to supply on the one hand a thermostat low power TE electronics with two outputs making part of block 3 and receiving the temperature signals in coming from a share of a silicon diode 2 whose temperature variation is known and from sensor to PTC positive temperature variation forming part of block 4; and to simultaneously supply a block 6 forming regulation contactor and a block 7 forming contactor safety as well as a generator 10 of current per through a block 9 for the presence of water and anti-degassing security.
- TE electronic thermostat example a component sold by the NATIONAL Company SEMICONDUCTOR under Japanese law under the reference LM 56.
- the flow of cathodic protection current between the anode A and the tank C is attested by the lighting of light emitting diode 11 in series with the generator 10 of current, while the contactor 8 with three positions selects automatic walking, walking forced or shutdown to power off the body of heated.
- the invention thus makes it possible to group on the same main electronic card associated with a card secondary electronics grouping blocks 2, 3 and 4, all the functions useful for the electronic management of the water heater, and this by means of a mounted card directly on the tank of the water heater.
- Figure 4 shows an electronic circuit functionally equivalent to the electronic circuit described with reference to Figure 3, the difference consisting of the use of three-phase contactors for regulation heating or the safety triggering of the heating.
- FIGS. 5 and 6 another mode of embodiment of the invention differs from the embodiment described with reference to Figures 1 to 4 in that electric accumulators are provided in a block 13 for ensure cathodic protection of the tank of the water heater in the event of a power failure.
- This embodiment of the invention comprises by a additional block 12 providing a flashing display of the light emitting diode 11 to indicate good operation of cathodic protection, a block 13 comprising the two accumulators and the two diodes charge limiting light emitting of these accumulators and a block 14 for limiting the discharge important of the aforementioned accumulators.
- the battery charge control is ensured by through the charge control block 15.
- the other elements referenced 1 to 7, 9 and 10 are identical or functionally equivalent to the elements bearing the references 1 to 7, 9 and 10 in FIG. 2.
- C, R, DZ, D, DEL, TR, IC, VDR are the symbols commonly used in electronics to designate the components respectively corresponding: capacitor, resistance, Zener diode, light emitting diode, transistor, integrated circuit (phototransistor), variable resistance depending on the voltage (varistor).
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)
- Prevention Of Electric Corrosion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Control Of Resistance Heating (AREA)
- Resistance Heating (AREA)
Description
- le dispositif comporte en outre au moins un accumulateur d'énergie électrique destiné à assurer en permanence la protection cathodique d'une cuve de chauffe-eau électrique à accumulation,
- les moyens électroniques de régulation thermostatique et de déclenchement en sécurité comportent un thermostat électronique de faible puissance à deux sorties,
- les moyens électroniques de régulation thermostatique et de déclenchement en sécurité comportent un capteur de température à semi-conducteur pour la régulation et un capteur à coefficient de température positif (CTP) pour le déclenchement en sécurité,
- les moyens électroniques de régulation thermostatique et de déclenchement en sécurité sont montés sur une carte électronique secondaire destinée à être insérée dans un doigt de gant (DG) de cuve de chauffe-eau,
- la carte électronique principale porte également un moyen de coupure d'alimentation tel qu'un fusible,
- la carte électronique principale porte également un contacteur d'alimentation pour plage tarifaire,
- le dispositif comporte des moyens pour limiter la charge ou la décharge importante d'un accumulateur,
- le dispositif comporte un moyen indicateur du fonctionnement de la protection cathodique d'une cuve de chauffe-eau, lorsque le dispositif est connecté électriquement à une anode à courant imposé et à une cuve de chauffe-eau auquel le dispositif est destiné,
- un chauffe-eau électrique à accumulation, comporte un dispositif de gestion électronique.
- la figure 1 représente schématiquement une vue en coupe illlustrant la mise en place d'un dispositif selon l'invention sur une cuve de chauffe-eau selon l'invention,
- la figure 2 représente schématiquement un agencement fonctionnel d'un premier mode de réalisation de l'invention,
- la figure 3 représente schématiquement un circuit électronique représentatif d'un dispositif selon l'invention conçu pour une alimentation monophasée,
- la figure 4 représente schématiquement un circuit électronique correspondant au premier mode de réalisation de l'invention conçu pour une alimentation triphasée,
- la figure 5 représente schématiquement un agencement fonctionnel d'un deuxième mode de réalisation de l'invention,
- la figure 6 représente schématiquement un circuit électronique correspondant au second mode de réalisation de l'invention conçu pour une alimentation monophasée.
Claims (10)
- Dispositif de gestion électronique destiné à assurer la gestion électronique d'un chauffe-eau électrique à accumulation, comportant en combinaison : des moyens électroniques (2-4) de régulation thermostatique et de déclenchement en sécurité, des moyens de protection cathodique (9-11) par anode à courant imposé destinés à assurer une protection cathodique de cuve de chauffe-eau, et des moyens (6, 7) formant contacteur d'alimentation destinés à l'alimentation d'une résistance de chauffage de chauffe-eau électrique, caractérisé en ce que l'alimentation (1) du dispositif, les moyens de protection cathodique (9-11) et les moyens (6, 7) formant contacteur sont montés sur une carte électronique principale destinée à être solidarisée à un chauffe-eau électrique à accumulation.
- Dispositif selon la revendication 1, caractérisé en ce que le dispositif comporte en outre au moins un accumulateur d'énergie électrique destiné à assurer en permanence la protection cathodique d'une cuve de chauffe-eau électrique à accumulation.
- Dispositif selon la revendication 1 ou la revendication 2, caractérisé en ce que les moyens électroniques (2-4) de régulation thermostatique et de déclenchement en sécurité comportent un thermostat électronique de faible puissance à deux sorties.
- Dispositif selon la revendication 3, caractérisé en ce que les moyens électroniques (2-4) de régulation thermostatique et de déclenchement en sécurité comportent un capteur de température à semi-conducteur pour la régulation et un capteur à coefficient de température positif (CTP) pour le déclenchement en sécurité.
- Dispositif selon l'une des revendications précédentes, caractérisé en ce que les moyens électroniques (2-4) de régulation thermostatique et de déclenchement en sécurité sont montés sur une carte électronique secondaire destinée à être insérée dans un doigt de gant (DG) de cuve (C) de chauffe-eau.
- Dispositif selon la revendication 1, caractérisé en ce que la carte électronique principale porte également un moyen de coupure d'alimentation tel qu'un fusible (5).
- Dispositif selon la revendication 1 ou la revendication 6, caractérisé en ce que la carte électronique principale porte également un contacteur (8) d'alimentation pour plage tarifaire.
- Dispositif selon la revendication 2, caractérisé en ce que le dispositif comporte des moyens pour limiter la charge (13) ou la décharge (14) importante d'un accumulateur.
- Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif comporte un moyen (11, 12) indicateur du fonctionnement de la protection cathodique d'une cuve (C) de chauffe-eau, lorsque le dispositif est connecté électriquement à une anode à courant imposé et à ladite cuve (C) de chauffe-eau auquel le dispositif est destiné.
- Chauffe-eau électrique à accumulation, comportant un dispositif de gestion électronique selon l'une quelconque des revendications 1 à 9.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9800805A FR2774153B1 (fr) | 1998-01-26 | 1998-01-26 | Dispositif de gestion electronique pour chauffe-eau electrique a accumulation |
FR9800805 | 1998-01-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0933602A1 EP0933602A1 (fr) | 1999-08-04 |
EP0933602B1 true EP0933602B1 (fr) | 2003-04-09 |
Family
ID=9522167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99400031A Expired - Lifetime EP0933602B1 (fr) | 1998-01-26 | 1999-01-08 | Dispositif de gestion électronique pour chauffe-eau électrique à accumulation |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0933602B1 (fr) |
ES (1) | ES2196732T3 (fr) |
FR (1) | FR2774153B1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19939134C1 (de) * | 1999-08-18 | 2001-03-15 | Bosch Gmbh Robert | Schutzvorrichtung für Warmwasserspeicher |
FR2807908B1 (fr) | 2000-04-17 | 2002-06-21 | Atlantic Industrie Sas | Carte secondaire de dispositif electronique de gestion de chauffe-eau electrique |
BE1015718A3 (fr) * | 2003-10-16 | 2005-07-05 | M T S Technical S A | Dispositif electronique pour l'application d'un procede pour l'adaptation de la periode de prelevement d'energie electrique sur le reseau. |
FR2894652B1 (fr) * | 2005-12-14 | 2008-02-01 | Applic Thermiques Europ Soc D | "dispositif de regulation thermostatique de chauffe-eau electrique" |
DE102008013943B4 (de) | 2008-03-12 | 2018-09-13 | Stiebel Eltron Gmbh & Co. Kg | Warmwasserspeicher und Testvorrichtung zum Testen einer Anode in einem Warmwasserspeicher |
FR3048761B1 (fr) * | 2016-03-14 | 2019-07-12 | Cotherm | Dispositif d'economie d'energie autonome pour chauffe-eau |
FR3082292B1 (fr) * | 2018-06-06 | 2020-05-08 | Atlantic Industrie | Chauffe-eau dote d'un systeme de securite anti-chauffe a sec |
CN112815530B (zh) * | 2019-11-15 | 2023-05-23 | 青岛海尔智能技术研发有限公司 | 用于电热水器内胆的防腐装置及直流电热水器 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4306189A (en) * | 1979-08-27 | 1981-12-15 | Rheem Manufacturing Company | Anode depletion detector |
DE3525323A1 (de) * | 1985-05-10 | 1986-11-13 | Accum AG, Gossau | Verfahren und vorrichtung zum erfassen, regeln und/oder steuern des betriebs eines wasserspeichers |
DE3902345C2 (de) * | 1989-01-27 | 1998-01-15 | Stiebel Eltron Gmbh & Co Kg | Elektrischer Warmwasserbereiter |
US4975560A (en) * | 1989-09-06 | 1990-12-04 | A.O. Smith Corporation | Apparatus for powering the corrosion protection system in an electric water heater |
DE4008329C1 (en) * | 1990-03-15 | 1991-05-02 | Norsk Hydro Magnesiumgesellschaft Mbh, 4250 Bottrop, De | Electric water heater - has resistance heater embedded in electrically insulating material, esp. magnesium oxide |
AUPN560795A0 (en) * | 1995-09-25 | 1995-10-19 | Stokes (Australasia) Limited | Heating element assembly |
-
1998
- 1998-01-26 FR FR9800805A patent/FR2774153B1/fr not_active Expired - Fee Related
-
1999
- 1999-01-08 EP EP99400031A patent/EP0933602B1/fr not_active Expired - Lifetime
- 1999-01-08 ES ES99400031T patent/ES2196732T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2774153B1 (fr) | 2000-04-28 |
EP0933602A1 (fr) | 1999-08-04 |
FR2774153A1 (fr) | 1999-07-30 |
ES2196732T3 (es) | 2003-12-16 |
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