WO2010057583A1 - Robinet mélangeur pour eau froide et eau chaude - Google Patents

Robinet mélangeur pour eau froide et eau chaude Download PDF

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Publication number
WO2010057583A1
WO2010057583A1 PCT/EP2009/007979 EP2009007979W WO2010057583A1 WO 2010057583 A1 WO2010057583 A1 WO 2010057583A1 EP 2009007979 W EP2009007979 W EP 2009007979W WO 2010057583 A1 WO2010057583 A1 WO 2010057583A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive
water temperature
mixing valve
mixed water
circuit
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/EP2009/007979
Other languages
German (de)
English (en)
Inventor
Kai Huck
Achim Mielke
Tanja Lempa
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.)
Grohe AG
Original Assignee
Grohe AG
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 Grohe AG filed Critical Grohe AG
Priority to ES09759666.2T priority Critical patent/ES2454319T3/es
Priority to EP09759666.2A priority patent/EP2359208B1/fr
Publication of WO2010057583A1 publication Critical patent/WO2010057583A1/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 present invention relates to a mixing valve for cold and hot water.
  • the mixing valve for cold and hot water has a thermostatic control of the mixed water temperature by a positioned by a Temperaturvor techvon, connected to a tubular double valve seat slide thermostat.
  • the thermostat is arranged in a housing with at least one each cold water and a hot water inlet and at least one mixed water outlet.
  • the inlet cross sections at the two inflow columns of the mixing valve are controlled in opposite directions by the double valve seat slide with its two end faces.
  • the double valve seat slide has an annular web on which a smaller diameter separating sleeve is formed. The separating sleeve is received axially displaceably in a bore at least with its two end regions.
  • the cold water and the hot water are supplied separately by means of at least one opening.
  • the openings in the web open into an annular mixing channel.
  • the mixing channel penetrates the separating sleeve radially such that the exiting mixed water flows to the thermostat directed.
  • From DE 35 27 906 Al is a circuit arrangement for positioning a vehicle seat under evaluation of periodic Current fluctuations known.
  • DE 10 2005 037 471 A1, DE 197 29 238 C1 and DE 10 2005 018 526 Al a method for positioning or speed measurement of a movable window pane in a motor vehicle is known.
  • a sanitary concealed fitting with a base body and an electrically operated mixing valve is known.
  • a device for dispensing and mixing of water is known in which the delivery is controlled substantially automatically by sensor means indicating the presence of the consumer.
  • a sanitary thermostatic valve is known that has a thermostatic element in the housing for setting a desired temperature of the mixed water. The thermostatic element is acted upon by an electric linear actuator comprising a stepper motor with a plurality of stator windings and a rotor.
  • the invention is based on the object to improve a mixing valve as possible.
  • a mixing valve for cold and hot water with a thermostatic control of the mixed water temperature is provided.
  • the mixing valve has a thermostat, a drive and an electronic, advantageously programmable circuit.
  • the drive has a mechanically commutated electric motor which is mechanically coupled to position the thermostat with the thermostat.
  • the circuit is for controlling the electric motor formed and preferably electrically connected to the electric motor via cable.
  • the circuit is designed to determine a rotational position of the drive from a ripple of a motor current.
  • the circuit is further configured to control the mixed water temperature based on the determined rotational position.
  • the invention is further based on the object to provide a possible improved method.
  • a thermostat is positioned by means of a mechanically commutated electric motor of a drive.
  • the circuit for determining the rotational position by means of a current position value is formed.
  • the circuit is preferably designed to add or subtract counted waves of the ripple of the motor current to / from the current position value.
  • the counting of the waves corresponds to a stepwise (increment) increase or decrease of the rotational position by a fixed (angle) value.
  • the drive has a position sensor connected to the circuit.
  • the drive preferably has an encoder assigned to the position sensor.
  • the position sensor preferably has an encoder assigned to the position sensor.
  • Cam disc or a cam ring Cam disc or a cam ring.
  • the dealer is a
  • the position sensor is an optical sensor and the encoder is an optical disk
  • the circuit is adapted to assign the determined from the ripple of the motor current rotational position based on the characteristic signal of the predetermined mixed water temperature.
  • a current position value is advantageously set to a predetermined value.
  • the encoder and the sensor are designed to generate a characteristic of a travel limit signal.
  • the circuit is designed to stop the electric motor based on the signal characteristic for the travel limit.
  • the position sensor is designed as a switch.
  • the switch is, for example, a changeover switch, a normally open or normally closed contact.
  • a button is to be understood as a switch.
  • the encoder is designed as a particular driven side driven by the cam element.
  • the cam member is a camshaft, cam or cam ring. The cams of the cam member are positioned to actuate the switch.
  • the drive and the thermostat are releasably mechanically coupled.
  • the mixing valve has a coupling for mechanical coupling.
  • a transmitter moves by the drive in a desired position to a position sensor.
  • the thermostat is moved to a position for a predetermined mixed water temperature. For example, the mixed water temperature is measured and the position of the thermostat manually adjusted until a desired mixed water temperature is set. This causes the position of the thermostat is assigned to the desired position of the encoder after the mechanical coupling.
  • Fig. 1 is a schematic view of a drive and a
  • FIG. 2 is a schematic three-dimensional view of a cam ring
  • 4 is a schematic exploded view of a drive
  • 5 is a schematic sectional view of a part of a mixing valve
  • Fig. 6a is a schematic three-dimensional view of a drive
  • FIG. 1 shows a schematic view of a drive 100 and a circuit 300 of a mixing valve.
  • the drive 100 has a mechanically commutated electric motor 110, which acts on the clutch 190 via a transmission in a transmission housing 180.
  • a cam ring 130 with rotatable cams 131 and 132 is connected with the clutch.
  • the cams 131, 132 of the cam ring 130 operate via a transmission element 140, a switch 120.
  • the plunger of the switch 120 is actuated by a cam 131, 132 of the cam ring 130 is a spring-mounted increase 141 of the transmission element when passing in the axial direction of the switch 120 presses.
  • the switch 120 may be formed, for example, as a changeover, NC or NO.
  • the cam ring 130 is shown schematically in a three-dimensional view in FIG.
  • the cam ring 130 has a narrow cam 131 and a wide cam 132.
  • Both cams 131, 132 have corresponding flanks 131a, 131b and 132a, 132b, which interact with the resiliently mounted elevation 141 of the transmission element 140.
  • the circuit 300 is further configured to determine a rotational position of the drive 100 from a ripple of a motor current.
  • the circuit 300 has a shunt 340, which is connected to a measuring input of the measuring control device 350.
  • the circuit 300 is arranged to control the mixed water temperature by means of the determined rotational position.
  • an input device (not shown) is provided, by means of which a mixed water temperature (for example, 35 ° C) can be input to the measurement control device 350.
  • buttons or a rotary control are provided (not shown).
  • the selected mixing water temperature is assigned a rotational position by the measuring control device 350.
  • the electric motor 110 is energized for a rotational movement in the direction of the associated rotational position by means of the circuit breaker 360.
  • the ripple of the motor current is used by the electric motor 110 to determine the current position.
  • Each wave is dependent on the Number of commutator bars of the electric motor 110 associated with a rotation angle.
  • the current position value can be determined by adding or subtracting counted waves of the ripple of the motor current.
  • the cam ring 130 is preferably automatically in a
  • Cams 131 the switch 120 is actuated.
  • the cam 131 can be distinguished from the cam 132 by the different widths of the cams.
  • the measurement control device 350 controls over the cam and determines the width of the cam 131,
  • the measurement control device 350 controls the drive 100 to the rotational position of the narrow cam 131.
  • the mixing mechanism is now adjusted by adjusting the position of a thermostat (200, Fig. 5) for the associated mixing temperature - for example, 38 ° C - by measuring the mixing temperature.
  • a thermostat 200, Fig. 5
  • the cam 131 When passing this rotational position again, the cam 131 generates a switching pulse of characteristic duration, which is assigned to the associated mixing temperature, by actuating the switch 120.
  • the rotational position of the narrow cam 131 by a control of the drive 100 by the measuring control device 350 run over and immediately afterwards the selected mixing temperature by driving the drive 100th through the measurement control device 350.
  • the rotational position of the narrow cam 131 is run over again and the position of the narrow cam 131 is placed directly next to the elevation 141 of the transmission element 140 to relieve the cam 131 and the elevation 141 and yet a quick start of the rotational position for the selected mixing temperature.
  • the wider cam 132 also generates a characteristic signal when driving over the switch 120, which causes a Stellwegbegrenzung.
  • the measurement control device 350 recognizes on the basis of
  • Cam 132 stops the electric motor 110 in response to the signal characteristic for the travel limit. This provides the advantage that the mechanics of the mixing valve is not moved into a mechanical limit (stop), which leads to a
  • FIG. 4 is an exploded view of the drive 100 is shown schematically.
  • the gear housing 180 has an opening through which the shaft 139 of the cam ring 130 protrudes into the coupling 190 in the mounted state and is rotatably connected thereto by an internal / external toothing.
  • the cam ring 130 is attached by means of screws on the output side to a transmission element (not shown).
  • the transmission element 140 is fixed against rotation on the transmission housing 180.
  • thermostatically controlled mixing valve has a housing 1, in which in a bore 13, a valve core 2 is arranged.
  • the valve insert 2 is formed by a cup-shaped head piece 20 and a cover 21 to form a structural unit.
  • a double valve seat slide 3a is arranged axially limited displaceable.
  • a thermostat 200 is provided, which is axially supported with one end face axially on three symmetrically arranged guide and stop lugs of the double valve seat slide 3a.
  • the thermostat 200 is mechanically coupled to the drive 100 with the mechanically commutated electric motor 110 of FIG. 1 for the axial positioning of the thermostat 200.
  • the thermostat 200 is sealed with a sealing ring led out of the head piece 20 and is located with a depending on the mixed water temperature axially deflectable plunger on an overload spring 50 of a set screw 5.
  • the adjusting screw 5 is arranged non-rotatably axially limited displaceable in the head piece 20, wherein at the outer end portion of a movement thread 205 is formed.
  • the sleeve 210 is coupled to the drive 100.
  • the transmission housing 180 is shown in Fig. 5 with the transmission.
  • a shaft 181 connects the cam ring 130 with the sleeve 210 in the axial direction.
  • a clutch 190 For transmitting the power from the transmission to the sleeve 210, a clutch 190 is provided.
  • the coupling 190 of the embodiment of FIG. 5 has an internal serration / spline 192.
  • the longitudinal toothing 192 of the coupling 190 engages in a corresponding outer longitudinal toothing 290 of the sleeve 210.
  • a generated by the electric motor 110 rotational movement of the transmission of the drive 100 is transmitted via the coupling 190 to the sleeve 210.
  • the rotational movement of the sleeve 210 in turn leads to an axial adjustment of the adjusting screw 5, which in turn adjusts the thermostat 200 in the axial direction. Further details of the mixing valve from FIG. 5 can be found in EP 1 423 761 B1.
  • FIG. 6a another embodiment of a drive is shown as a schematic three-dimensional view.
  • the sensor sensor system used is a retro-reflective sensor.
  • the reflections are effected by an optical encoder 130 'with slots 131', 138.
  • the slots are arranged on the outer circumference of a disk 130 '.
  • An optical sensor 120 'with light source is connected to the circuit (not shown) for position detection.
  • a section of the optical encoder 130 ' is shown schematically.
  • the slit 130 ' is provided for a predetermined mixing water temperature as a signal generating element for generating a characteristic signal for the mixed water temperature.
  • further slots 138 are provided as elements for signal generation which are equidistant from each other.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Multiple-Way Valves (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

L'invention porte sur un robinet mélangeur pour eau froide et eau chaude, présentant une régulation thermostatique de la température de l'eau mélangée, - comprenant un thermostat (200), - comprenant un organe d'entraînement comportant un moteur électrique à commutation mécanique, qui, pour le positionnement du thermostat, est mécaniquement couplé au thermostat, et – comprenant un circuit pour le pilotage du moteur électrique, - dans lequel le circuit est configuré de façon à déterminer une position en rotation de l'organe d'entraînement, à partir d'une ondulation d'un courant moteur, et pour piloter la température de l'eau mélangée à l'aide de la position en rotation telle que déterminée.
PCT/EP2009/007979 2008-11-21 2009-11-07 Robinet mélangeur pour eau froide et eau chaude Ceased WO2010057583A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES09759666.2T ES2454319T3 (es) 2008-11-21 2009-11-07 Válvula mezcladora para agua fría y caliente
EP09759666.2A EP2359208B1 (fr) 2008-11-21 2009-11-07 Mitigeur destiné au mélange d'eau froide et chaude

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008058515A DE102008058515A1 (de) 2008-11-21 2008-11-21 Mischventil für Kalt- und Heißwasser
DE102008058515.7 2008-11-21

Publications (1)

Publication Number Publication Date
WO2010057583A1 true WO2010057583A1 (fr) 2010-05-27

Family

ID=41614560

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/007979 Ceased WO2010057583A1 (fr) 2008-11-21 2009-11-07 Robinet mélangeur pour eau froide et eau chaude

Country Status (4)

Country Link
EP (1) EP2359208B1 (fr)
DE (1) DE102008058515A1 (fr)
ES (1) ES2454319T3 (fr)
WO (1) WO2010057583A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150168960A1 (en) * 2013-11-15 2015-06-18 Grohe Ag Thermostatic mixing valve

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600108293A1 (it) * 2016-10-26 2018-04-26 Caleffi Spa Dispositivo valvolare miscelatore

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3527906A1 (de) 1985-08-03 1987-02-12 Keiper Recaro Gmbh Co Schaltungsanordnung zur positionierung eines mittels einer verstellvorrichtung verstellbaren gegenstandes
EP0320564A2 (fr) * 1987-12-17 1989-06-21 Matsushita Electric Industrial Co., Ltd. Système pour amenée d'eau à température réglable
DE19729238C1 (de) 1997-07-09 1998-08-27 Telefunken Microelectron Verfahren zum Ermitteln der Drehzahl bei mechanisch kommutierten Gleichstrommotoren
EP1335119A2 (fr) * 2002-02-09 2003-08-13 Hyundai Motor Company Soupape de thermostat électronique réglable
DE4447893C2 (de) * 1993-01-22 2003-12-04 Hansgrohe Ag Sanitäre Mischarmatur
DE60006928T2 (de) 2000-01-25 2004-10-28 Nuova Galatron S.R.L., Castiglione Delle Stiviere Vorrichtung zum Abgeben und Mischen von Wasser
EP1423761B1 (fr) 2002-06-24 2004-12-01 Grohe Water Technology AG & Co. KG Mitigeur
EP1605327A2 (fr) 2004-06-09 2005-12-14 Hansa Metallwerke Ag Robinet thermostatique sanitaire
DE102005018526A1 (de) 2005-04-20 2006-10-26 Conti Temic Microelectronic Gmbh Verfahren zur sensorlosen Positionserfassung eines Rotors eines Elektromotors
DE102005037471A1 (de) 2005-08-09 2007-02-15 Conti Temic Microelectronic Gmbh Verfahren zur Positionierung einer beweglichen Einheit in einem Kraftfahrzeug
DE102006033352A1 (de) 2006-07-19 2008-01-31 Hansa Metallwerke Ag Sanitäre Unterputzarmatur mit einem Basiskörper

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5798624A (en) * 1997-02-28 1998-08-25 Lucas Industries Motor circuit
DE19844330B4 (de) * 1998-09-28 2012-04-05 Danfoss A/S Einrichtung zur Bestimmung der Stellung eines batteriebetriebenen Stellmotors mit Kommutator
US20060261763A1 (en) * 2005-05-23 2006-11-23 Masco Corporation Brushed motor position control based upon back current detection

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3527906A1 (de) 1985-08-03 1987-02-12 Keiper Recaro Gmbh Co Schaltungsanordnung zur positionierung eines mittels einer verstellvorrichtung verstellbaren gegenstandes
EP0320564A2 (fr) * 1987-12-17 1989-06-21 Matsushita Electric Industrial Co., Ltd. Système pour amenée d'eau à température réglable
DE4447893C2 (de) * 1993-01-22 2003-12-04 Hansgrohe Ag Sanitäre Mischarmatur
DE19729238C1 (de) 1997-07-09 1998-08-27 Telefunken Microelectron Verfahren zum Ermitteln der Drehzahl bei mechanisch kommutierten Gleichstrommotoren
DE60006928T2 (de) 2000-01-25 2004-10-28 Nuova Galatron S.R.L., Castiglione Delle Stiviere Vorrichtung zum Abgeben und Mischen von Wasser
EP1335119A2 (fr) * 2002-02-09 2003-08-13 Hyundai Motor Company Soupape de thermostat électronique réglable
EP1423761B1 (fr) 2002-06-24 2004-12-01 Grohe Water Technology AG & Co. KG Mitigeur
EP1605327A2 (fr) 2004-06-09 2005-12-14 Hansa Metallwerke Ag Robinet thermostatique sanitaire
DE102005018526A1 (de) 2005-04-20 2006-10-26 Conti Temic Microelectronic Gmbh Verfahren zur sensorlosen Positionserfassung eines Rotors eines Elektromotors
DE102005037471A1 (de) 2005-08-09 2007-02-15 Conti Temic Microelectronic Gmbh Verfahren zur Positionierung einer beweglichen Einheit in einem Kraftfahrzeug
DE102006033352A1 (de) 2006-07-19 2008-01-31 Hansa Metallwerke Ag Sanitäre Unterputzarmatur mit einem Basiskörper

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150168960A1 (en) * 2013-11-15 2015-06-18 Grohe Ag Thermostatic mixing valve
US10088851B2 (en) * 2013-11-15 2018-10-02 Grohe Ag Thermostatic mixing valve

Also Published As

Publication number Publication date
EP2359208A1 (fr) 2011-08-24
ES2454319T3 (es) 2014-04-10
EP2359208B1 (fr) 2014-01-08
DE102008058515A1 (de) 2010-05-27

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