EP0990861B1 - Chauffe-eau - Google Patents

Chauffe-eau Download PDF

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Publication number
EP0990861B1
EP0990861B1 EP99118879A EP99118879A EP0990861B1 EP 0990861 B1 EP0990861 B1 EP 0990861B1 EP 99118879 A EP99118879 A EP 99118879A EP 99118879 A EP99118879 A EP 99118879A EP 0990861 B1 EP0990861 B1 EP 0990861B1
Authority
EP
European Patent Office
Prior art keywords
flow
temperature
hot water
burner
outlet
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
Application number
EP99118879A
Other languages
German (de)
English (en)
Other versions
EP0990861A3 (fr
EP0990861A2 (fr
Inventor
Wim Munsterhuis
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.)
Garrett Motion SARL
Original Assignee
Honeywell BV
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 Honeywell BV filed Critical Honeywell BV
Publication of EP0990861A2 publication Critical patent/EP0990861A2/fr
Publication of EP0990861A3 publication Critical patent/EP0990861A3/fr
Application granted granted Critical
Publication of EP0990861B1 publication Critical patent/EP0990861B1/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
    • 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
    • F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
    • 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
    • F24H15/355—Control of heat-generating means in heaters
    • F24H15/36—Control of heat-generating means in heaters of burners

Definitions

  • the present invention relates to a hot water heater.
  • DE 43 08 770 C2 As state of the art can DE 43 08 770 C2 and DE DE 38 05 441 C2 be referenced.
  • DE 43 08 770 C2 a hot water heater with a through a burner D heated heat exchanger, with a cold water inlet and a hot water outlet, and with a hot water outlet the fuel supply to the burner B controlling controller C, to a temperature sensor in the hot water outlet is connected, being between cold water inlet and Hot water outlet a bypass channel is arranged.
  • a hot water heater is known, with a heated heat exchanger, with a cold water inlet and a hot water outlet is connected and with a the heat input to the heat exchanger controlling controller, the on a flow sensor the cold water inlet and on a temperature sensor in the hot water outlet connected is, being between cold water inlet and hot water outlet after the flow sensor, a bypass channel is arranged.
  • a flow sensor in the cold water inlet, which is connected to a controller for a burner.
  • the cold water then goes to a heat exchanger below which the burner is arranged.
  • a Temperature sensor arranged, which is also connected to the Control unit is connected.
  • the desired temperature at Outlet is through a setpoint generator on the control unit set.
  • the above-described known hot water heater has two major disadvantages.
  • the maximum water flow at the outlet be limited if the setpoint of Temperature is set to a maximum. Furthermore, must to Avoidance of the second disadvantage of the device according to the state the technology of the switching point of the burner at a higher water flow when the temperature is at one minimum temperature setpoint is set.
  • US 4,501,261 shows Gas-fired hot water heater with the Features of the preamble of claim 1.
  • cold water is a cold water inlet 12 supplied.
  • a flow sensor 1 detects the Flow rate of cold water when at one Not shown removal point at a hot water outlet 13 warm water is removed.
  • the flow sensor 1 is connected to a control unit 3, on which via a Adjustment knob 18 e.g. in the form of a potentiometer Setpoint is adjustable.
  • the control unit 3 is connected to a modulating gas inflow controller 2 connected, the one Fuel gas to a burner 4 feeds.
  • the cold water inlet 12 is connected via a line 5 to a Heat exchanger 7 is connected, in which the cold water heated and via a line 10 the hot water outlet 13th is supplied.
  • a temperature sensor 11 detects the Temperature of the warm water behind the heat exchanger 7 and is as an actual value transmitter to the control unit 3rd connected.
  • the burner 4 is seated in a housing 6 below the heat exchanger 7 and a befind Anlagen above Heating shaft is powered by a fan 8 or by natural Train vented.
  • the fresh air is supplied via a pipe 9, which opens below the burner 4 in the housing 6.
  • the hitherto described known hot water heater has the disadvantages mentioned in the introduction.
  • FIG Hot water heater avoided according to the invention. So far there are the same elements, they are with provided with the same reference numerals.
  • each flow restrictor 14 and 15 are arranged in the bypass channel 17 and the Cold water inlet 12 after the branch of the bypass channel 17 .
  • the flow rate regulating organ 16 z. B. in the form of a cock intended.
  • the flow restrictors 14 and 15 are so dimensioned that the total fluid resistance of the Heating circuit and the bypass channel at full open Flow control element 16 is the same size. These' However, dimensioning is only an example and can be chosen differently.
  • the water temperature of the burner 4 leaving water will always be at the maximum temperature by the Temperature sensor 11 and the control unit 3 regulated. in this connection can the adjustment knob 18 omitted on the control unit 2.
  • the water flow at the outlet 13 for switching on the burner 4 via the flow sensor is due to the flow of water doubled by the bypass channel. This is the beginning mentioned second disadvantage avoided, since the water temperature of the water leaving the heat exchanger to the maximum Temperature is regulated, and the water temperature at Outlet 13 by mixing cold and hot water is regulated. Thus, the temperature of the water at Outlet 13 lowered. This will be the goal both a small as well as a large water flow at low setpoint realized.

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)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)

Claims (3)

  1. Chauffe-eau avec un échangeur de chaleur (7) qui est chauffé par un brûleur (4) et qui est relié à une entrée d'eau froide (12) et à une sortie d'eau chaude (13), et avec un régulateur qui commande l'amenée de combustible dans le brûleur et qui est relié à un capteur de débit (1) dans l'entrée d'eau froide (12) et à un capteur de température (11) dans la sortie d'eau chaude (13), la température de l'eau qui sort du brûleur (4) étant toujours réglée à la température maximale,
       caractérisé en ce qu'un conduit de dérivation (17) est disposé entre l'entrée d'eau froide (12) et la sortie d'eau chaude (13), avant le capteur de débit (1) dans le sens d'écoulement, un organe de réglage de débit (16) destiné au choix du débit et, ainsi, de la température théorique, étant disposé dans le conduit de dérivation (17).
  2. Chauffe-eau selon la revendication 1, caractérisé en ce que des limiteurs de débit (15, 14) sont disposés respectivement dans un circuit de chauffage (5, 10) qui comporte l'échangeur de chaleur (7) et dans le conduit de dérivation (17).
  3. Chauffe-eau selon la revendication 1 ou 2,
    caractérisé en ce que les limiteurs de débit (15, 14) sont dimensionnés pour que la résistance totale au fluide du circuit de chauffage (5, 10) et du conduit de dérivation (17) soit la même quand l'organe régulateur de débit (16) est complètement ouvert.
EP99118879A 1998-09-30 1999-09-24 Chauffe-eau Expired - Lifetime EP0990861B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19844856 1998-09-30
DE19844856A DE19844856C1 (de) 1998-09-30 1998-09-30 Warmwasser-Heizgerät

Publications (3)

Publication Number Publication Date
EP0990861A2 EP0990861A2 (fr) 2000-04-05
EP0990861A3 EP0990861A3 (fr) 2002-08-07
EP0990861B1 true EP0990861B1 (fr) 2005-11-16

Family

ID=7882802

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99118879A Expired - Lifetime EP0990861B1 (fr) 1998-09-30 1999-09-24 Chauffe-eau

Country Status (3)

Country Link
EP (1) EP0990861B1 (fr)
DE (2) DE19844856C1 (fr)
ES (1) ES2252901T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI557383B (zh) * 2014-09-02 2016-11-11 Grand Mate Co Ltd Water heater and its secondary heat exchanger

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1063475A3 (fr) * 1999-06-25 2003-03-26 Vaillant GmbH Chauffe-eau continu à gaz
DE10030118A1 (de) * 1999-06-25 2000-12-28 Vaillant Joh Gmbh & Co Gasbeheizter Durchlaufwassererhitzer
AUPQ691200A0 (en) * 2000-04-14 2000-05-11 Zip Heaters (Australia) Pty Limited Improvements in boiling and/or chilling water units
DE10154198A1 (de) * 2001-11-07 2003-05-15 Siemens Building Tech Ag Vorrichtung und Verfahren zur Regelung von Thermen
GB2459893B (en) * 2008-05-09 2011-02-16 Paul Frederick Dudley Water heating system
ITMI20110245A1 (it) * 2011-02-18 2012-08-19 Grimaldi Stefano Scalda acqua a gas provvisto di dispositivo anti-spegnimento

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4501261A (en) * 1982-06-28 1985-02-26 Toto Limited Instantaneous gas water heater
DE3805441A1 (de) * 1987-03-02 1988-09-15 Stiebel Eltron Gmbh & Co Kg Durchlauferhitzer
JPH03186150A (ja) * 1990-11-08 1991-08-14 Matsushita Electric Ind Co Ltd 給湯制御装置
JPH05272805A (ja) * 1992-03-25 1993-10-22 Rinnai Corp 給湯制御装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI557383B (zh) * 2014-09-02 2016-11-11 Grand Mate Co Ltd Water heater and its secondary heat exchanger

Also Published As

Publication number Publication date
ES2252901T3 (es) 2006-05-16
DE19844856C1 (de) 2000-05-18
DE59912798D1 (de) 2005-12-22
EP0990861A3 (fr) 2002-08-07
EP0990861A2 (fr) 2000-04-05

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