DE102004055261B3 - Protective device for a hot water tank - Google Patents
Protective device for a hot water tank Download PDFInfo
- Publication number
- DE102004055261B3 DE102004055261B3 DE102004055261A DE102004055261A DE102004055261B3 DE 102004055261 B3 DE102004055261 B3 DE 102004055261B3 DE 102004055261 A DE102004055261 A DE 102004055261A DE 102004055261 A DE102004055261 A DE 102004055261A DE 102004055261 B3 DE102004055261 B3 DE 102004055261B3
- Authority
- DE
- Germany
- Prior art keywords
- temperature sensor
- heater
- signal
- anode
- transmission line
- 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 - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 230000001681 protective effect Effects 0.000 title claims abstract description 14
- 230000008054 signal transmission Effects 0.000 claims abstract description 19
- 238000011156 evaluation Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 230000001419 dependent effect Effects 0.000 claims abstract 2
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004210 cathodic protection Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/04—Controlling or regulating desired parameters
-
- 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
- F24H9/0005—Details 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
- 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
Abstract
Es wird eine Schutzeinrichtung für eine Warmwasser-Speicherheinheit (12) mit einer wärmebedarfsabhängig gesteuerten Speicherheizung für einen Speicherbehälter (13), die von einem Heizgerät (10) bereitgestellt wird, vorgeschlagen. Der Speicherbehälter (13) weist eine Fremdstromanode (17) sowie einen Temperaturfühler (19) zur Erfassung der Temperatur des Wassers im Speicherbehälter (13) auf. Das Heizgerät (10) verfügt über ein Steuergerät (11), an das eine Signalübertragungsleitung (20) des Temperaturfühlers (19) angeschlossen ist. Die Fremdstromanode (17) ist an eine Auswerteeleketronik (15) angeschlossen, die eine Schaltungsanordnung (25) aufweist, über die die Signalübertragungsleitung (20) des Temperaturfühlers (19) geführt ist. Die Schaltungsanordnung (25) umfasst ferner eine Einrichtung zur Übertragung des Signals der Fremdstromanode (19) auf die Signalübertragungsleitung (20) des Temperaturfühlers, wobei eine Anodenstromerfassungseinrichtung (30) vorgesehen ist, die auf ein Schaltteil (27) bei einem gestörten Signal der Fremdstromanode (17) einwirkt.A protective device for a hot water storage unit (12) with a heat demand-dependent controlled storage heater for a storage tank (13) provided by a heater (10) is proposed. The storage container (13) has an external current anode (17) and a temperature sensor (19) for detecting the temperature of the water in the storage container (13). The heater (10) has a control unit (11) to which a signal transmission line (20) of the temperature sensor (19) is connected. The external current anode (17) is connected to an evaluation electronics (15), which has a circuit arrangement (25) over which the signal transmission line (20) of the temperature sensor (19) is guided. The circuit arrangement (25) further comprises a device for transmitting the signal of the external current anode (19) to the signal transmission line (20) of the temperature sensor, wherein an anode current detection means (30) is provided, which on a switching part (27) at a disturbed signal of the foreign current anode (30). 17).
Description
Die Erfindung betrifft eine Schutzeinrichtung für Warmwasserspeicher nach dem Oberbegriff des Anspruchs 1.The The invention relates to a protective device for hot water storage after Preamble of claim 1.
Bei Schutzeinrichtungen für Warmwasserspeicher mit einer sogenannten Fremdstromanode verhindert der Anodenstrom die Korrosion der metallisch blanken Wandstellen des Speicherbehälters, ohne dass sich die im Speicherwasser befindliche Fremdstromanode verbraucht und ausgewechselt werden muss. Bei den bekannten Schutzeinrichtungen ist die Fremdstromanode mit einem Netzteil verbunden und weist eine eigenständige Auswerteelektronik auf, die Informationen über den Betriebs- bzw. Erhaltungszustand des Speicherbehälters an Anzeigeelemente liefert, die jedoch auf die Steuerung der Speicherheizung keinen Einfluss hat.at Protective devices for Hot water tank with a so-called external current anode prevented the anode current, the corrosion of the metallic bare wall sites of the storage container, without that the foreign current anode in the storage water is consumed and must be replaced. In the known protective devices the external current anode is connected to a power supply and has a independent Evaluation, the information about the operating or maintenance state of the storage container provides on display elements, however, the control of the storage heater has no influence.
Aus
Weiterhin
ist es aus der
Aufgabe der Erfindung ist es, die Signalübertragung zwischen Speichereinheit und Heizgerät zu vereinfachen, um dadurch die Systemkosten zu reduzieren.task The invention is the signal transmission between storage unit and heater to simplify thereby to reduce the system costs.
Vorteile der ErfindungAdvantages of invention
Die Aufgabe der Erfindung wird mit den kennzeichnenden Maßnahmen des Anspruchs 1 gelöst. Durch die Signalübertragung des Signals der Fremdstromanode über die Signalleitung des Temperaturfühlers ist für die beiden Signale von Temperaturfühler und Fremdstromsonde nur noch eine Signalleitung notwendig.The The object of the invention is with the characterizing measures of claim 1. By the signal transmission the signal of the foreign current anode over the signal line of the temperature sensor is for the two signals from temperature sensor and External current probe only one signal line necessary.
Vorteilhafte Weiterbildungen der Erfindung sind durch die Maßnahmen der Unteransprüche möglich. Besonders zweckmäßig ist es, eine Auswertelektronik für den Speicherbehälter vorzusehen, der mit Steckanschlüssen für die Fremdstromanode und für den Temperaturfühler ausgerüstet ist. Damit ist die technische Lösung rückwärtskompatibel, d.h., dass die Auswerteelektronik für bereits existierende Heizgeräte-Speicher-Systeme nachrüstbar ist. Eine einfache Signalübertragung wird mittels eines Schaltteils realisiert, das bei Ausfall des Anodenstroms einen in die Signalleitung des Temperaturfühlers geschalteten Widerstand überbrückt, sodass von der Zentralelektronik des Steuergerätes des Heizgerätes ein entsprechender Signalwert über die Signalleitung des Temperaturfühlers detektiert wird, der auf einen Ausfall der Fremdstromanode schließt.advantageous Further developments of the invention are possible by the measures of the subclaims. Especially is appropriate it, an electronic evaluation system for the storage tank to provide, with plug connections for the Foreign current anode and for the temperature sensor equipped is. This is the technical solution backward compatible, that is, the transmitter for existing heater storage systems upgradeable is. A simple signal transmission is realized by means of a switching part, which in case of failure of the anode current bridged a resistor connected in the signal line of the temperature sensor so that from the central electronics of the control unit of the heater corresponding signal value via the signal line of the temperature sensor is detected, the on a failure of the foreign current anode closes.
Zeichnungdrawing
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert. Die Figur zeigt eine schematische Schaltungsanordnung der erfindungsgemäßen Schutzvorrichtung.One embodiment The invention is illustrated in the drawing and in the following description explained in more detail. The FIG. 1 shows a schematic circuit arrangement of the protective device according to the invention.
Ausführungsbeispielembodiment
Ein
mit
Die
Auswerteelektronik
Das
Schaltteil
Die
Funktion der Fremdstromanode
- 1010
- Heizgerätheater
- 1111
- Steuergerätcontrol unit
- 1212
- Warmwasser-SpeichereinheitHot water storage unit
- 1313
- Speicherbehälterstorage container
- 1515
- Auswerteelektronikevaluation
- 1616
- erste Steckverbindungfirst connector
- 1717
- FremdstromanodeImpressed current anode
- 1818
- zweite Steckverbindungsecond connector
- 1919
- Temperaturfühlertemperature sensor
- 2020
- SignalübertragungsleitungSignal transmission line
- 2121
- weitere SteckverbindungFurther connector
- 2222
- Stromversorgungpower supply
- 2323
- Stromnetzpower grid
- 2525
- Schaltungsanordnungcircuitry
- 2626
- Widerstandresistance
- 2727
- Schaltteilswitching part
- 2828
- Signalleitungsignal line
- 3030
- AnodenstromerfassungseinrichtungAnode current detector
Claims (4)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004055261A DE102004055261B3 (en) | 2004-11-17 | 2004-11-17 | Protective device for a hot water tank |
AT05110337T ATE375485T1 (en) | 2004-11-17 | 2005-11-04 | PROTECTIVE DEVICE FOR A HOT WATER TANK |
DE502005001665T DE502005001665D1 (en) | 2004-11-17 | 2005-11-04 | Protective device for a hot water tank |
EP05110337A EP1666809B1 (en) | 2004-11-17 | 2005-11-04 | Protection device for a hot water storage tank |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004055261A DE102004055261B3 (en) | 2004-11-17 | 2004-11-17 | Protective device for a hot water tank |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102004055261B3 true DE102004055261B3 (en) | 2006-08-03 |
Family
ID=35447958
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102004055261A Expired - Fee Related DE102004055261B3 (en) | 2004-11-17 | 2004-11-17 | Protective device for a hot water tank |
DE502005001665T Active DE502005001665D1 (en) | 2004-11-17 | 2005-11-04 | Protective device for a hot water tank |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE502005001665T Active DE502005001665D1 (en) | 2004-11-17 | 2005-11-04 | Protective device for a hot water tank |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1666809B1 (en) |
AT (1) | ATE375485T1 (en) |
DE (2) | DE102004055261B3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109869910A (en) * | 2017-12-05 | 2019-06-11 | 青岛经济技术开发区海尔热水器有限公司 | A kind of anti-corrosive apparatus and water heater |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11591697B2 (en) * | 2017-09-07 | 2023-02-28 | Carrier Corporation | Corrosion protection system for heating ventalation air conditioning refrigeration |
WO2021007611A1 (en) * | 2019-07-12 | 2021-01-21 | Rheem Australia Pty Limited | Monitoring system for heated fluids |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9002952U1 (en) * | 1990-01-30 | 1990-08-02 | Norsk Hydro Magnesiumgesellschaft Mbh, 4250 Bottrop, De | |
EP1077352A2 (en) * | 1999-08-18 | 2001-02-21 | Robert Bosch Gmbh | Protection device for hot water storage |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3916847A1 (en) * | 1989-05-24 | 1990-11-29 | Norsk Hydro Magnesium | Electrical corrosion protection for water container - has e.g. water heater element as anode and container wall as cathode with pole-reversal protection diode between their connectors |
FR2776370B1 (en) * | 1998-03-20 | 2000-05-26 | Pierre Lacaze | HOT WATER PRODUCTION DEVICE COMPRISING A TANK EQUIPPED WITH IMPOSED CURRENT CATHODE PROTECTION MEANS |
-
2004
- 2004-11-17 DE DE102004055261A patent/DE102004055261B3/en not_active Expired - Fee Related
-
2005
- 2005-11-04 DE DE502005001665T patent/DE502005001665D1/en active Active
- 2005-11-04 AT AT05110337T patent/ATE375485T1/en active
- 2005-11-04 EP EP05110337A patent/EP1666809B1/en not_active Not-in-force
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9002952U1 (en) * | 1990-01-30 | 1990-08-02 | Norsk Hydro Magnesiumgesellschaft Mbh, 4250 Bottrop, De | |
EP1077352A2 (en) * | 1999-08-18 | 2001-02-21 | Robert Bosch Gmbh | Protection device for hot water storage |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109869910A (en) * | 2017-12-05 | 2019-06-11 | 青岛经济技术开发区海尔热水器有限公司 | A kind of anti-corrosive apparatus and water heater |
Also Published As
Publication number | Publication date |
---|---|
ATE375485T1 (en) | 2007-10-15 |
EP1666809A1 (en) | 2006-06-07 |
DE502005001665D1 (en) | 2007-11-22 |
EP1666809B1 (en) | 2007-10-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8100 | Publication of patent without earlier publication of application | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |