EP3802972A1 - Sicherheitsventil und verfahren zur steuerung eines sichereitsventils - Google Patents
Sicherheitsventil und verfahren zur steuerung eines sichereitsventilsInfo
- Publication number
- EP3802972A1 EP3802972A1 EP18729641.3A EP18729641A EP3802972A1 EP 3802972 A1 EP3802972 A1 EP 3802972A1 EP 18729641 A EP18729641 A EP 18729641A EP 3802972 A1 EP3802972 A1 EP 3802972A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- temperature
- safety
- water
- safety valve
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/04—Water-basin installations specially adapted to wash-basins or baths
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/04—Water-basin installations specially adapted to wash-basins or baths
- E03C1/041—Water-basin installations specially adapted to wash-basins or baths having provisions against scalding, e.g. temperature limiting devices, external covers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/071—Arrangement of safety devices in domestic pipe systems, e.g. devices for automatic shut-off
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/05—Arrangements of devices on wash-basins, baths, sinks, or the like for remote control of taps
- E03C1/055—Electrical control devices, e.g. with push buttons, control panels or the like
- E03C1/057—Electrical control devices, e.g. with push buttons, control panels or the like touchless, i.e. using sensors
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/04—Water-basin installations specially adapted to wash-basins or baths
- E03C1/0408—Water installations especially for showers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/05—Arrangements of devices on wash-basins, baths, sinks, or the like for remote control of taps
- E03C1/055—Electrical control devices, e.g. with push buttons, control panels or the like
Definitions
- the present invention relates to a method for
- Electronic mixers or thermostats are known from the prior art, which have a cold water and a hot water inlet and at least one mixed water outlet. Such devices also have a temperature sensor with which the
- Such mixers are expensive and only work reliably after a certain flow rate.
- An object of the present invention is a method for controlling a safety valve, a safety valve and a safety fitting
- a method according to the invention for controlling a safety valve comprises the steps:
- a safety valve which comprises a valve having an input and an output, wherein the valve with the flow rate of the water is variable by a change in a valve position, which comprising at least one temperature sensor, with which the water temperature can be detected, and which comprises at least one control unit, with which the data of the at least one temperature sensor can be processed and with which the valve can be actuated;
- the cold water supply is interrupted or a valve upstream water mixer is defective and only hot water in the inlet of the valve to
- the temperature threshold can be set according to the application downstream of the valve. To damage human tissue
- the temperature of the water flowing through the valve should be below 45 degrees Celsius lie. At a temperature threshold of 40 degrees Celsius, it can be ensured that certainly no scalding can occur.
- the valve can operate independently and independently of a total control. This reduces the installation and maintenance costs.
- the method further comprises the steps of:
- the method further comprises the step of:
- Temperature threshold are transmitted.
- the transmission of the signal can be wired or wireless.
- Temperature threshold locally by means of a light source or a screen. Alternatively, it can be transmitted to a user or to the analyzer or it can be transmitted to a central office.
- a first valve position and a second valve position are defined and the first
- Valve position is set when the detected
- Water temperature is below the temperature threshold and the second valve position is set when the valve is opened automatically. Under the temperature threshold, as much water may pass through the valve as is necessary for the application downstream of the valve. If the valve exceeds the temperature threshold
- the valve can be set so that one for a reliable
- Temperature measurement minimum amount of water can pass the valve.
- the control unit can prevent a self-opening of the valve, for example, if the presence of a user is detected.
- a first interval and a second interval are determined, wherein the second interval, relative to the first interval, due to the detected
- Temperature course is set. The higher the level of the temperature profile, the longer the subsequent interval will be.
- the mentioned embodiments of the method can be performed in any combination, unless they contradict each other.
- a safety valve according to the invention comprises:
- valve having an inlet and an outlet, wherein with the valve, the flow rate of the water is variable by a change in a valve position
- At least one temperature sensor with which the water temperature can be detected
- At least one control unit with which the data of the at least one temperature sensor can be processed and with which the valve is actuated, wherein the
- Control unit is designed such that the
- Embodiments is executable.
- the temperature sensor is in
- the valve comprises a valve from the group comprising solenoid valve, driven cartridge, spindle valve, proportional valve and ball valve.
- Control unit wired or wireless signals to a user, or to a user terminal transmit or receive from this.
- signals to a Display unit or to a central station are received or received by them.
- the mentioned embodiments of the safety valve can be used in any combination, unless they contradict each other.
- An inventive safety fitting comprises:
- the safety valve is arranged in front of or in the removal point.
- the removal point comprises a removal point from the group which comprises washbasin fitting, kitchen fitting, shower fitting and bath fitting.
- Fig. 1 is a schematic representation of a
- FIG. 2 shows a schematic representation of series removal points with valves according to the invention and a mixer
- Fig. 3 is a schematic representation of a
- Fig. 4 is a schematic representation of a
- FIG. 5 shows the removal fitting according to FIG. 4 with an integrated mixer
- valve 1 shows a schematic representation of a safety valve according to the invention 7 with a valve 1, a valve inlet 3, a valve outlet 4 and at least one temperature sensor 2a, 2b, 2c, wherein the
- Temperature sensors at the inlet 3 and / or in the valve 1 and / or at the outlet 4 can be provided.
- the Control unit and the possible transmission unit are not shown.
- FIG. 2 shows a schematic representation of series removal points 8 with valves 7 according to the invention and a mixer 5.
- the mixer 5 is fed with cold water K and hot water H and delivers mixed hot water to a mixed water line 6.
- the mixed water line 6 leads the hot water through the valves 7 to the
- FIG. 3 shows a schematic representation of a
- An angle valve 9 is the
- FIG. 4 shows a schematic representation of a
- FIG. 5 shows the removal fitting according to FIG. 4 with an integrated mixer 5, wherein a cold water line K and a hot water line H lead to the mixer 5.
- FIG. 6 shows a schematic temperature profile of the water flowing through the safety valve 7 according to an embodiment of the invention.
- the illustrated temperature curve starts with an initial temperature T 0 , which occurs when the valve has not been operated for a long time.
- the initial temperature T 0 correspond to the ambient temperature.
- a user operation is detected and a first valve position Vi is set, whereby the measured water temperature to the desired
- Valve position V 1 is set. Due to the absence of cold water, the temperature determined by the safety valve exceeds the temperature threshold T s , whereupon the valve is closed immediately and automatically. Over time, the measured temperature decreases as heat is released to the environment. As long as the measured temperature is above the temperature threshold, the valve will not be opened during a user operation. If by cooling the measured temperature below the temperature threshold T s , the temperature threshold T s , the temperature threshold T s , whereupon the valve is closed immediately and automatically. Over time, the measured temperature decreases as heat is released to the environment. As long as the measured temperature is above the temperature threshold, the valve will not be opened during a user operation. If by cooling the measured temperature below the
- Temperature threshold decreases the valve is opened in a user operation, as shown in the third time Z 3 . If the temperature rises above the temperature threshold, the valve is closed again. Before the fourth time Z 4 , the fault was corrected.
- FIG. 7 shows a schematic temperature profile of the water flowing through the safety valve according to a further embodiment of the invention. At the second time Z 2 is again exceeded the
- Safety valve is closed immediately and independently.
- the valve opens automatically after a first interval I 2 , but only the amount of water needed for a reliable temperature measurement is left through the valve. That is, the valve is opened less or less. If the measured temperature remains above the temperature threshold, then the valve closes automatically and the
- a second interval I 2 is defined on the basis of the temperature profile and relative to the first interval I 2 . For example, if, after the lapse of the first interval, the measured temperature is still too high, the duration of the second
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2018/064616 WO2019233544A1 (de) | 2018-06-04 | 2018-06-04 | Sicherheitsventil und verfahren zur steuerung eines sichereitsventils |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3802972A1 true EP3802972A1 (de) | 2021-04-14 |
Family
ID=62555061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18729641.3A Pending EP3802972A1 (de) | 2018-06-04 | 2018-06-04 | Sicherheitsventil und verfahren zur steuerung eines sichereitsventils |
Country Status (4)
Country | Link |
---|---|
US (1) | US20210222408A1 (de) |
EP (1) | EP3802972A1 (de) |
CN (1) | CN112272724A (de) |
WO (1) | WO2019233544A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021127586A1 (de) | 2021-10-22 | 2023-04-27 | Schell Gmbh & Co. Kg | Vorrichtung zur Durchführung von Hygienespülungen in Sanitärarmaturen |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT396623B (de) * | 1987-10-08 | 1993-10-25 | Ideal Standard | Verbrühschutzeinrichtung bei sanitären anlagen, insbesondere duschen |
DE4423854B4 (de) * | 1994-07-07 | 2004-08-05 | Hansgrohe Ag | Einhebelmischventil |
US7000850B2 (en) * | 2004-04-27 | 2006-02-21 | Brand New Technology Ltd. | Anti-scald water valve assembly |
DE102010054979A1 (de) * | 2010-12-17 | 2012-06-21 | Danfoss A/S | Ventilanordnung und Verfahren zum Betätigen eines Ventils |
DE102016207512A1 (de) * | 2015-05-04 | 2016-11-10 | Ceramtec Gmbh | Verbrühschutzeinheit |
DE102015015042A1 (de) * | 2015-11-24 | 2017-05-24 | Grohe Ag | Verfahren zur Steuerung einer Sanitärarmatur und Sanitärarmatur mit einer Zweitastenbedienung |
-
2018
- 2018-06-04 EP EP18729641.3A patent/EP3802972A1/de active Pending
- 2018-06-04 CN CN201880094221.6A patent/CN112272724A/zh active Pending
- 2018-06-04 WO PCT/EP2018/064616 patent/WO2019233544A1/de unknown
- 2018-06-04 US US15/734,326 patent/US20210222408A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
US20210222408A1 (en) | 2021-07-22 |
CN112272724A (zh) | 2021-01-26 |
WO2019233544A1 (de) | 2019-12-12 |
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Owner name: OBLAMATIK AG |
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