EP0828117A2 - Méthode pour préparer l'eau sanitaire dans un système mixte - Google Patents

Méthode pour préparer l'eau sanitaire dans un système mixte Download PDF

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Publication number
EP0828117A2
EP0828117A2 EP97112904A EP97112904A EP0828117A2 EP 0828117 A2 EP0828117 A2 EP 0828117A2 EP 97112904 A EP97112904 A EP 97112904A EP 97112904 A EP97112904 A EP 97112904A EP 0828117 A2 EP0828117 A2 EP 0828117A2
Authority
EP
European Patent Office
Prior art keywords
heating
water
hot water
switched
circulation pump
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
Application number
EP97112904A
Other languages
German (de)
English (en)
Other versions
EP0828117B1 (fr
EP0828117A3 (fr
Inventor
Ulrich Besser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0828117A2 publication Critical patent/EP0828117A2/fr
Publication of EP0828117A3 publication Critical patent/EP0828117A3/fr
Application granted granted Critical
Publication of EP0828117B1 publication Critical patent/EP0828117B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1066—Arrangement or mounting of control or safety devices for water heating systems for the combination of central heating and domestic hot water
    • 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
    • F24H15/219—Temperature of the water after heating
    • 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
    • F24H15/238—Flow rate
    • 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
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/335—Control of pumps, e.g. on-off control
    • 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
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/355—Control of heat-generating means in heaters
    • F24H15/36—Control of heat-generating means in heaters of burners

Definitions

  • the invention is based on a method for Domestic hot water provision in a combined system the genus of the main claim. It is from the applicant so-called combi heaters for heating and Domestic hot water preparation known in which the domestic water indirectly via that in a heating water circuit circulating heating water is heated. Especially outside the heating season it takes a certain time before the domestic water is the one desired by the consumer Has reached outlet temperature, because only with the Hot water withdrawal of the heating water circuit activated becomes.
  • the process according to the invention has the process water its desired already at the start of the hot water withdrawal Outlet temperature reached, so that immediately warm Process water is available. Besides a higher one Domestic water convenience can also reduce water consumption be reduced.
  • Activating a flow of domestic water sensor is advantageously carried out by a briefly pressing one at a tap arranged valve.
  • the pump and burner are switched on in expediently via a central control unit.
  • the one activated for hot water preparation Heating water circuit is advantageously over one arranged close to a heating heat exchanger Bypass separated from the heater. This will only the minimum heating water circulation required for the provision of process water heated.
  • the flow of process water becomes in the flow sensor generates a negative pressure acting on a membrane, wherein a microswitch is actuated by the deflection of the membrane the dispenser preparation signal via the control unit and thus switching on the pump and the burner causes.
  • Figure 1 is a schematically shown device for Heating heating water and process water and Figure 2 a sensor for hot water preparation.
  • the device for heating rotating Heating water and domestic water have one in one Heating circuit arranged and from the heating water flowed through the heat exchanger 10, the fins 11 of the combustion gases of a burner 12 directly are acted upon.
  • the heating heat exchanger 10 supplies one between a lead section 14 and one Return section 16 of the heating circuit arranged Heating device, for example a radiator 18 with Heating water, in the return section 16 a Circulation pump 20 for conveying the circulating heating water is arranged.
  • a Circulation pump 20 for conveying the circulating heating water is arranged.
  • an im Heating heat exchanger 10 arranged and from the heating water flow around hot water heat exchanger 22 is provided.
  • Process water supply device feeds one or more Dispensing points via a cold water connection 24, a Flow of the hot water sensor 26 and a Hot water connection 28 with hot water.
  • Heating water to the in the domestic water heat exchanger 22 flowing hot water can take place is via an in Return section 16 of the heating circuit 14, 16 arranged three-way valve 30 and via a bypass 32 the heating circuit 14, 16 separated.
  • the heating heat exchanger 10 on the Flow section 14, bypass 32, three-way valve 30, Return section 16 and pump 20 back to Heater heat exchanger 10 leads, is the following inner Heating circuit called 36, while the heating circuit, the from the heating heat exchanger 10 via flow section 14, Radiator 18 and return section 16 back to Heater heat exchanger 10 leads, in the following as the outer Heating circuit 38 is called.
  • a temperature sensor 39 for Detection of the flow temperature of the heating water arranged.
  • the sensor 26 shown in more detail in FIG. 2 has one Water quantity regulator 40, a membrane 42, a Venturi nozzle 44, a plunger 46 acted upon by the membrane 42 and a microswitch 48 and a water quantity selector 50 with Relief valve on.
  • the burner 12, the pump 20, the water switch 26 and the Microswitch 48 of the water switch, the three-way valve 30 and the temperature sensor 39 are via lines (shown in dashed lines) with a central control device 52 connected.
  • the device for heating circulating heating water and process water works in the following way:
  • the burner 12 is ignited and with With the help of the circulation pump 20, the outer heating circuit 38 activated, the in the outer heating circuit 38th arranged radiator 18 can be charged with heating water.
  • valve 53 for Example the hot water valve of a single lever mixer tap opened for approx. 1 second and closed again.
  • Water flow controller 40 of the sensor 26 opened and on Vacuum generated above the membrane 42. This will make the Membrane 42 together with the plunger 46 moves upward in turn actuated the microswitch 48.
  • the burner 12 is ignited and the Circulation pump 20 switched on.
  • the three-way valve 30 will switched so that the heating water in the inner heating circuit 36 begins to circulate.
  • the target temperature for the heating water is preset, the later the maximum outlet temperature of the hot water certainly.
  • the flow temperature sensor 39 Actual value of the heating water temperature is recorded and the heating water up to the set heating water temperature of e.g. 60 ° C heated. After a few seconds the heating water has the set target temperature is reached and if Opening the valve 53 at the hot water connection 28 can actual hot water withdrawal immediately warm Process water, the temperature of which if necessary. still by the expand mixed down by cold water.

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)
  • Fluid Mechanics (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
EP97112904A 1996-09-06 1997-07-26 Méthode pour préparer l'eau sanitaire dans un système mixte Expired - Lifetime EP0828117B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19636360A DE19636360C2 (de) 1996-09-06 1996-09-06 Verfahren zur Brauchwasserbereitstellung in einem kombinierten System
DE19636360 1996-09-06

Publications (3)

Publication Number Publication Date
EP0828117A2 true EP0828117A2 (fr) 1998-03-11
EP0828117A3 EP0828117A3 (fr) 1999-04-21
EP0828117B1 EP0828117B1 (fr) 2002-10-16

Family

ID=7804911

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97112904A Expired - Lifetime EP0828117B1 (fr) 1996-09-06 1997-07-26 Méthode pour préparer l'eau sanitaire dans un système mixte

Country Status (3)

Country Link
EP (1) EP0828117B1 (fr)
DE (2) DE19636360C2 (fr)
ES (1) ES2185847T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT412576B (de) * 1999-07-08 2005-04-25 Vaillant Gmbh Einrichtung und verfahren zur steuerung eines brenners
EP1528371A1 (fr) * 2003-11-03 2005-05-04 Grundfos A/S Ensemble pour installation de chauffage compact

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29803540U1 (de) * 1998-02-28 1999-07-15 Viessmann Werke Kg Gastherme

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1988343U (de) * 1965-03-17 1968-06-27 Junkers & Co Gasbeheizter umlauf-wassererhitzer.
DE4003771A1 (de) * 1990-02-08 1991-08-14 Buderus Heiztechnik Gmbh Verfahren zum betreiben eines brauchwassererwaermers
IT1273666B (it) * 1994-07-20 1997-07-09 Giuseppe Fugazza Gruppo idraulico perfezionato per impianti misti di riscaldamento e acqua sanitaria
FR2728960A1 (fr) * 1994-12-29 1996-07-05 Sdecc Chaudiere murale mixte a gaz avec un mini-ballon accumulateur d'eau chaude sanitaire
DE29600237U1 (de) * 1996-01-09 1996-05-02 Kudera Oliver Vorrichtung zum Inbetriebsetzen einer Pumpe in einer Zirkulationsleitung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT412576B (de) * 1999-07-08 2005-04-25 Vaillant Gmbh Einrichtung und verfahren zur steuerung eines brenners
EP1528371A1 (fr) * 2003-11-03 2005-05-04 Grundfos A/S Ensemble pour installation de chauffage compact

Also Published As

Publication number Publication date
ES2185847T3 (es) 2003-05-01
EP0828117B1 (fr) 2002-10-16
DE19636360A1 (de) 1998-03-12
DE19636360C2 (de) 2001-05-23
DE59708482D1 (de) 2002-11-21
EP0828117A3 (fr) 1999-04-21

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