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WO1997000470A1 - Thermostat electronique pour la regulation thermique fiable de l'eau mixte - Google Patents

Thermostat electronique pour la regulation thermique fiable de l'eau mixte Download PDF

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Publication number
WO1997000470A1
WO1997000470A1 PCT/DE1996/001013 DE9601013W WO9700470A1 WO 1997000470 A1 WO1997000470 A1 WO 1997000470A1 DE 9601013 W DE9601013 W DE 9601013W WO 9700470 A1 WO9700470 A1 WO 9700470A1
Authority
WO
WIPO (PCT)
Prior art keywords
mixing chamber
mixed water
measured values
temperature sensors
digital
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.)
Ceased
Application number
PCT/DE1996/001013
Other languages
German (de)
English (en)
Inventor
Heinrich Arndt
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU58917/96A priority Critical patent/AU5891796A/en
Publication of WO1997000470A1 publication Critical patent/WO1997000470A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/01—Control of temperature without auxiliary power
    • G05D23/13—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures
    • G05D23/1393—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures characterised by the use of electric means

Definitions

  • the invention relates to a mixing valve with a control circuit-controlled and electromechanically operated valve control arranged at the mouth of a cold and a hot water supply line, the cylindrical closure piece of which is adjustable in opposite directions.
  • a mixing valve of the type mentioned is described for example in DE-PS 24 10 316, which has an analog temperature sensor as an actual value transmitter, which is connected to a potentiometer as a set value transmitter.
  • This single temperature sensor is arranged in the mixed water outlet pipe at a certain distance from the mixing chamber. If this distance is chosen too short, the temperature sensor, which is arranged approximately in the central axis of the mixed water outlet pipe, shows very strongly fluctuating and inaccurate measured values, since the liquid flows of the cold water and hot water are still incompletely mixed directly behind the mixing chamber, so that strong fluctuating measured values are displayed, which lead to frequent and large adjustments of the control-controlled rotary magnet, which rotates the closure piece in opposite directions.
  • a so-called intermediate boiler was installed on a mixing valve of the type mentioned after the mixing chamber. This is usually a round container with a volume of about 5 liters, in which the homogenization of the two liquid streams is carried out by mixing. These intermediate boilers also cause an increase in Dead time and thus a deterioration in the regulation.
  • the object of the invention is to achieve a fast and precise control over the entire pipe cross-section while avoiding such a dead time and truthfully recording sufficient measured values.
  • This object is achieved according to the invention in a mixing valve of the type mentioned at the outset in that two temperature sensors with an analog resistance are arranged directly behind the mixing chamber in the mixing water outlet pipe in the plane running through the inlet and outlet pipes and equidistant from the mixing chamber , the recorded individual analog measured values are passed on to digital electronics via connectors and are determined there to a total digital value, which adjusts the common closure piece of the valve control by means of the control loop control.
  • the two temperature sensors 6 and 7 are arranged in the plane in which the two inlet pipes 1 and 2 and the outlet pipe 3 are also located. The distance between the two temperature sensors 6 and 7 to the mixing chamber 10 is the same.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Temperature (AREA)
  • Temperature-Responsive Valves (AREA)

Abstract

Pour obtenir un réglage rapide et précis avec un thermostat électronique destiné à la régulation thermique fiable de l'eau mixte chaude-froide tout en évitant les temps morts et en enregistrant suffisamment de valeurs mesurées conformes à la réalité sur la totalité de la section du tuyau, l'invention propose de placer dans le tuyau d'écoulement (3) de l'eau mixte, juste en aval de la chambre de mélange (10), deux capteurs de température (6, 7) avec une résistance analogique dans le plan formé par les tuyaux d'entrée et d'écoulement et disposés à égale distance de la chambre de mélange. Les valeurs analogiques enregistrées individuellement par les capteurs sont transmises à un système électronique par l'intermédiaire d'éléments de connexion (8, 9), après quoi, le système électronique calcule une valeur numérique globale qui règle l'obturateur commun de la commande de la vanne par l'intermédiaire de la commande d'un circuit régulateur.
PCT/DE1996/001013 1995-06-14 1996-06-11 Thermostat electronique pour la regulation thermique fiable de l'eau mixte Ceased WO1997000470A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU58917/96A AU5891796A (en) 1995-06-14 1996-06-11 Electronic thermostat for the reliable temperature regulatio of mixed water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1995121657 DE19521657A1 (de) 1995-06-14 1995-06-14 Mischventil mit einer an der Mündungsstelle einer Kalt- und einer Heißwasserzufuhrleitung angeordneten regelkreisgesteuerten und elektromechanisch betätigten Ventilsteuerung

Publications (1)

Publication Number Publication Date
WO1997000470A1 true WO1997000470A1 (fr) 1997-01-03

Family

ID=7764377

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1996/001013 Ceased WO1997000470A1 (fr) 1995-06-14 1996-06-11 Thermostat electronique pour la regulation thermique fiable de l'eau mixte

Country Status (3)

Country Link
AU (1) AU5891796A (fr)
DE (1) DE19521657A1 (fr)
WO (1) WO1997000470A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8043556B2 (en) 2005-01-18 2011-10-25 Kohler Mira Limited Ablutionary installations

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2460003A1 (fr) * 1979-06-22 1981-01-16 Eichelberg & Co Gmbh H D Regulation de mitigeurs sanitaires
JPS647111A (en) * 1987-06-29 1989-01-11 Toto Ltd Mixing valve
DE3832676A1 (de) * 1988-09-27 1990-04-12 Conti Armaturen Gmbh Mischbatterie fuer zugefuehrtes warm- und kaltwasser mit einer die auslauftemperatur regelnden einrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2619465A1 (de) * 1976-05-03 1977-11-24 Eberspaecher J Mischbatterie
DE3146501A1 (de) * 1981-11-24 1983-06-01 Friedrich Grohe Armaturenfabrik Gmbh & Co, 5870 Hemer Mischbatterie
DE3531295A1 (de) * 1985-09-02 1987-03-19 Knebel & Roettger Fa Sanitaere mischarmatur
DE3718039C2 (de) * 1987-05-28 1994-04-21 Ideal Standard Elektronisch temperaturgeregelte Mischarmatur
DE4039623C2 (de) * 1990-12-12 1999-06-24 Grohe Armaturen Friedrich Vorrichtung mit Temperaturfühler zur Mischwasserbereitung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2460003A1 (fr) * 1979-06-22 1981-01-16 Eichelberg & Co Gmbh H D Regulation de mitigeurs sanitaires
JPS647111A (en) * 1987-06-29 1989-01-11 Toto Ltd Mixing valve
DE3832676A1 (de) * 1988-09-27 1990-04-12 Conti Armaturen Gmbh Mischbatterie fuer zugefuehrtes warm- und kaltwasser mit einer die auslauftemperatur regelnden einrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 13, no. 172 (P - 862) 24 April 1989 (1989-04-24) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8043556B2 (en) 2005-01-18 2011-10-25 Kohler Mira Limited Ablutionary installations

Also Published As

Publication number Publication date
DE19521657A1 (de) 1997-01-09
AU5891796A (en) 1997-01-15

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