EP0916909A1 - Sparvorrichtung für Wasserheizer - Google Patents

Sparvorrichtung für Wasserheizer Download PDF

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Publication number
EP0916909A1
EP0916909A1 EP97402748A EP97402748A EP0916909A1 EP 0916909 A1 EP0916909 A1 EP 0916909A1 EP 97402748 A EP97402748 A EP 97402748A EP 97402748 A EP97402748 A EP 97402748A EP 0916909 A1 EP0916909 A1 EP 0916909A1
Authority
EP
European Patent Office
Prior art keywords
water
pressure
valve
water heater
saving device
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.)
Withdrawn
Application number
EP97402748A
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English (en)
French (fr)
Inventor
Guy Ciret
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 EP97402748A priority Critical patent/EP0916909A1/de
Publication of EP0916909A1 publication Critical patent/EP0916909A1/de
Withdrawn legal-status Critical Current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
    • F24H9/12—Arrangements for connecting heaters to circulation pipes
    • F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
    • F24H9/133—Storage heaters
    • F24H9/136—Arrangement of inlet valves used therewith

Definitions

  • the present invention relates to a water saving device for water heaters.
  • the object of the invention is therefore to limit this phenomenon.
  • the water saving device for storage water heaters protected against overpressure by a safety group with pressure limiting valve internal of the water heater is characterized in that means for measuring the pressure are arranged either between the limiting valve and the circuit entering the water heater, or leaving the water heater, means for controlling the opening of the cold water supply circuit of the water heater are triggered following detection by the means of measurement of the pressure, of the crossing of a determined pressure threshold.
  • the measurement means are a pressure switch adjustable in a pressure range determined between 2 and 3.5 bars.
  • the pressure switch is mounted on the security group, which security group includes a siphon connected to an evacuation pipe.
  • the hot water pipe at the outlet of the water heater is connected to a mixing valve supplied with cold water by a pipe, the hot water supply circuit comprising between the mixing valve and water heater a non-return valve.
  • the opening control means and closing the cold water inlet pipe are arranged at the entry of the safety group downstream of the check valve of the safety group security.
  • control means are constituted by a solenoid valve electrically connected by a connection with a pressure switch control output.
  • the pressure switch comprises an actuation button which controls the solenoid valve to make this solenoid valve play the role of the shut-off valve of the group of security.
  • FIG. 3 represents the prior art constituted by a water heater (1) supplied with cold water by a pipe (3) to which a security group (2).
  • This safety group (2) includes a shut-off valve (22), a non-return valve (23) which prevents water from the water heater (1) from return to the cold water pipe (3) and a safety valve (21) which limits the pressure inside the water heater to 7 bars.
  • This safety valve (21) when opened releases steam into a siphon (24) and excess water is collected by a pipe evacuation (5).
  • the disadvantage of this prior art is that cold water arrives and fills the water heater (1).
  • the electrical resistance or the water heater the water heater will raise the water temperature and gradually the pressure in the water heater and the pipes especially when the user does not consume hot water.
  • the safety valve (21) opens and the water under pressure is discharged through the pipe (5).
  • the water level in the water heater lowered the non-return valve (23) opens and water cold enters the water heater.
  • a solenoid valve (71) controlled by an electromagnet (72) is mounted on the pipe supply (3) of cold water to a storage water heater (1).
  • the electromagnet (72) is connected by an electrical connection (76) to a contactor gauge (73) whose trigger threshold can be set between 2 minimum bars and maximum 3.5 bars.
  • This pressure switch (73) is linked to the hot water distribution circuit by a pressure (77) and supplied with electrical energy by a power outlet (75).
  • the contactor also includes an indicating device (74) used to indicate the circuit pressure.
  • the pressure switch (73) generates an electrical signal on the link (76) when the preset threshold pressure is exceeded. This electrical signal controlled by the electromagnet (72) closing the valve (71). The electrical signal is maintained by the pressure switch as long as the pressure does not drop below a second threshold set for example at 2 bars. Below this value, the supply of the solenoid valve is interrupted and the valve (71) is open, allowing cold water to be supplied to the water heater (1).
  • the contactor pressure gauge (73) controls the closing of the solenoid valve (71) thereby interrupting the cold water supply to the water heater tank.
  • the solenoid valve (71) is closed and interrupts the cold water supply circuit.
  • This pressure goes down in below a lower threshold set, for example, at 2 bars which causes opening by the control line (76) of the solenoid valve (71).
  • the water heater can then fill up normally and will be able to fill with cold water until the water pressure reaches the fixed limit value and the pressure switch which will interrupt again the water supply circuit.
  • the invention can be used in the version where the water heater has its hot water supply line (4) of the installation connected to a mixing valve (42).
  • the mixer (42) is supplied with the other side in cold water through a pipe (31) and distributes water mixed by the pipe (34).
  • Such a connection in the prior art could also cause cold water consumption in allowing the filling of the water heater through the mixing valve (42).
  • the pressure switch (73) is connected to the hot water outlet pipe (4) of the water heater and controls the solenoid valve (71, 72) which is connected as before upstream of the safety group (2) on the cold water supply circuit (3).
  • the invention has been described for storage water heaters, especially electric but can also be used on other types storage water heaters such as gas, fuel or other combustibles.
  • the pressure switch (73) can be provided with a manual actuation button, intended to trigger supplying the link (76) and closing the valve (72). This mode of realization eliminates the need for the stop valve (22) normally provided in the safety group.
EP97402748A 1997-11-17 1997-11-17 Sparvorrichtung für Wasserheizer Withdrawn EP0916909A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP97402748A EP0916909A1 (de) 1997-11-17 1997-11-17 Sparvorrichtung für Wasserheizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97402748A EP0916909A1 (de) 1997-11-17 1997-11-17 Sparvorrichtung für Wasserheizer

Publications (1)

Publication Number Publication Date
EP0916909A1 true EP0916909A1 (de) 1999-05-19

Family

ID=8229903

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97402748A Withdrawn EP0916909A1 (de) 1997-11-17 1997-11-17 Sparvorrichtung für Wasserheizer

Country Status (1)

Country Link
EP (1) EP0916909A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2812717A1 (fr) * 2000-08-03 2002-02-08 Vernet Sa Dispositif d'alimentation et de distribution en eau d'un ballon d'eau chaude et ballon comprenant ce dispositif
WO2008146071A2 (en) * 2007-05-29 2008-12-04 Ljupce Trajkoski Pump for exchange of heat using the heat capacity of the earth anc system for climatization
DE102013010133A1 (de) 2013-06-18 2014-12-18 Powder Light Metals GmbH Formteil und Verfahren zur Herstellung eines solchen Formteils
EP2584281A3 (de) * 2011-10-20 2015-11-25 BSH Hausgeräte GmbH Warmwasserspeicher und Druckeinrichtung
CN108870754A (zh) * 2017-05-16 2018-11-23 青岛经济技术开发区海尔热水器有限公司 一种储水式热水器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE960942C (de) * 1952-05-30 1957-03-28 Franz Schwab Boilersicherheits-Armaturengruppe
DE3916860A1 (de) * 1989-05-24 1990-11-29 Mueller A & K Gmbh Co Kg Elektromagnetisch betaetigbare, rueckflussgesicherte 2/2-wege-ventilanordnung
FR2748797A1 (fr) * 1996-05-14 1997-11-21 Ciret Guy Dispositif economiseur d'eau pour chauffe-eau

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE960942C (de) * 1952-05-30 1957-03-28 Franz Schwab Boilersicherheits-Armaturengruppe
DE3916860A1 (de) * 1989-05-24 1990-11-29 Mueller A & K Gmbh Co Kg Elektromagnetisch betaetigbare, rueckflussgesicherte 2/2-wege-ventilanordnung
FR2748797A1 (fr) * 1996-05-14 1997-11-21 Ciret Guy Dispositif economiseur d'eau pour chauffe-eau

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2812717A1 (fr) * 2000-08-03 2002-02-08 Vernet Sa Dispositif d'alimentation et de distribution en eau d'un ballon d'eau chaude et ballon comprenant ce dispositif
WO2008146071A2 (en) * 2007-05-29 2008-12-04 Ljupce Trajkoski Pump for exchange of heat using the heat capacity of the earth anc system for climatization
WO2008146071A3 (en) * 2007-05-29 2009-03-12 Ljupce Trajkoski Pump for exchange of heat using the heat capacity of the earth anc system for climatization
EP2584281A3 (de) * 2011-10-20 2015-11-25 BSH Hausgeräte GmbH Warmwasserspeicher und Druckeinrichtung
DE102013010133A1 (de) 2013-06-18 2014-12-18 Powder Light Metals GmbH Formteil und Verfahren zur Herstellung eines solchen Formteils
CN108870754A (zh) * 2017-05-16 2018-11-23 青岛经济技术开发区海尔热水器有限公司 一种储水式热水器

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