EP3947835A1 - Sanitärarmatur mit einer mehrzahl von membranventilen - Google Patents
Sanitärarmatur mit einer mehrzahl von membranventilenInfo
- Publication number
- EP3947835A1 EP3947835A1 EP20713521.1A EP20713521A EP3947835A1 EP 3947835 A1 EP3947835 A1 EP 3947835A1 EP 20713521 A EP20713521 A EP 20713521A EP 3947835 A1 EP3947835 A1 EP 3947835A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valves
- shower head
- inlet
- membrane
- sanitary fitting
- 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.)
- Granted
Links
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
- E03C1/0408—Water installations especially for showers
- E03C1/0409—Shower handles
-
- 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
- E03C1/0404—Constructional or functional features of the spout
- E03C1/0405—Constructional or functional features of the spout enabling multiple spray patterns
Definitions
- the present invention relates to a sanitary fitting.
- Such sanitary fittings are used to provide a liquid as required, for example in showers, bathtubs, sinks or wash basins.
- Sanitary fittings are known with at least one shower head with which a liquid, in particular water, can be dispensed in various types of jet, for example normal jet, full jet, Mas sag jet, rain jet, etc.
- the shower heads regularly have different jet formers to create the different jet types.
- the liquid must be directed from an inlet of the shower head via a line system of the shower head to one of the jet formers of the shower head.
- valves are arranged in the line system.
- a complex mechanism in the shower heads is regularly required to operate the valves.
- the different jet types can only be adjusted by a user directly on the shower head. The conversion of the
- Spray types can therefore be complex if the accessibility of the shower head is restricted. This can be the case, for example, when the shower head is fixed at a great height in a shower. Therefore, sanitary fittings are known in which the valves are designed in the manner of diaphragm valves.
- Such membrane valves can be actuated by control valves or so-called pilot valves, which can be arranged in areas that are easily accessible to the user.
- the control valves are arranged in control channels which connect the counter-pressure chambers of the individual membrane valves, bypassing the membranes of the membrane valves, with an outlet of the shower head.
- the control channels initially lead from the counter-pressure chambers from the shower head to the control valves and from the control valves back to the shower head.
- there are two for the control channel of each control valve Interfaces to the shower head required. This leads to high assembly costs and high manufacturing costs.
- the object of the invention is therefore to at least partially solve the problems described with reference to the prior art and, in particular, to specify a sanitary fitting whose control channels have a reduced number of interfaces to the shower head.
- a sanitary fitting that has at least the following components contributes to this: a shower head,
- a plurality of membrane valves each with a membrane for controlling a plurality of processes and in each case a counter-pressure chamber connected to the at least one inlet, and
- the sanitary fitting has a shower head and is used to provide a liquid, in particular water, as required, for example to showers, bathtubs, sinks or wash basins.
- the shower head can be designed, for example, in the manner of a hand shower and / or in the manner of a shower head.
- the sanitary fitting comprises at least one inlet via which the liquid can be fed to a plurality of diaphragm valves of the shower head.
- the at least one inlet can at least partially be designed as a pipe, (flexible) hose and / or as a liquid guide in the shower head.
- the shower head can be connected to a liquid source via the at least one inlet.
- a plurality of drains of the shower head or the plurality of membrane valves can be closed or opened by the plurality of membrane valves.
- the various processes each lead to a jet generator for a specific jet type. In this way, a certain spray type of the shower can be activated by opening one of the membrane valves.
- the membrane valves each include a membrane and a counter-pressure chamber connected to the at least one inlet.
- the membrane valves can be controlled by a (common and / or single) controller.
- the controller is set up in particular to control the operation of the diaphragm valves jointly or separately.
- the controller is set up in particular to activate and / or deactivate and / or hold (for a predetermined period of time) one or more valve position (s) in each diaphragm valve.
- the control comprises a plurality of control channels with a plurality of control valves. The control channels connect the back pressure chamber of the membrane valves, bypassing the membranes of the Membranven tile with the at least one inlet.
- the liquid can flow from an inlet channel and / or an inlet chamber of the respective membrane valve via a compensating bore in the membranes of the membrane valves and / or other components of the shower head into the counter-pressure chamber of the membrane valves, so that the liquid has the same liquid pressure on both sides of the membranes. Since the diaphragms delimit the counter-pressure chambers with a larger area than the inlet channels and / or inlet chambers of the membrane valves, the force on the membranes resulting from the liquid pressure of the liquid in the counter-pressure chambers is greater than the force resulting from the liquid pressure of the liquid in the inlet channels and / or inlet chambers. This pushes the membrane onto a valve seat so that the membrane valves are closed.
- a control channel leads from the counterpressure chambers to one of the control valves.
- the control valves can be electrically operated valves, solenoid valves or manually operated valves, for example.
- the control valves can be arranged in the shower head or outside the shower head, for example in a wall. If the control valves are located outside the shower head, the control channels can at least partially be designed as (flexible) hose lines. By opening the control valves, the liquid can flow out of the counter-pressure chambers via the control channels, so that the liquid pressure in the counter-pressure chambers drops. This lifts the membrane off the membrane seat so that the membrane valves open.
- the liquid pressure in the counter-pressure chamber should drop sufficiently due to the steady state that is established between the liquid flowing in via the equalizing opening and the liquid flowing out of the counter-pressure chamber via the control channels.
- the plurality of control channels can be made larger or with a larger diameter than the compensation bores.
- the control for setting the various jet types can be arranged away from the shower head at a location where it is easily accessible by a user.
- the individual control channels do not lead back into the shower head downstream of the control valves, but rather open up into the at least one inlet upstream of the shower head. As a result, fewer interfaces for returning the liquid are required on the shower head, because the liquid can be returned to the shower head via the at least one inlet.
- the control channels can be connected to a suction device of the at least one inlet.
- the suction device By means of the suction device, the liquid is in particular out of the control channels or the back pressure chambers of the diaphragm valves can be sucked in when the corresponding control valves are open.
- the suction device can comprise a vortex chamber.
- the swirl chamber can in particular be of cylindrical design, the inlet opening tangentially into the swirl chamber so that the liquid flowing into the swirl chamber forms a swirl in the swirl chamber.
- the liquid emerges from the vortex chamber through an outlet opening on a first end face of the (cylindrical) vortex chamber.
- the control channels can be connected to the vortex chamber via an inlet opening on a second end face of the vortex chamber.
- the inlet opening in particular has a diameter which is smaller than a diameter of the outlet opening on the opposite first end face of the vortex chamber.
- the liquid Due to the negative pressure in the center of the vortex, the liquid is sucked in from the control channels through the inlet opening into the vortex chamber and leaves the vortex chamber with the liquid from the inlet through the outlet opening.
- the inlet extends from the outlet opening to the shower head.
- the suction device can comprise a venturi nozzle.
- the Venturi nozzle can in particular be designed in the manner of a water jet pump.
- a cross-section of the at least one inlet in particular can narrow in the area of the suction device, the control channels opening into the area with a reduced cross-section.
- the speed of the liquid flowing through the suction device increases in the area with the reduced cross-section, as a result of which the (static) pressure in the control channels decreases, so that the liquid is sucked from the control channels into the suction device.
- the suction device can be arranged outside the shower head.
- the suction device can be arranged, for example, in a wall to which the sanitary fitting and / or the shower head are attached.
- the plurality of diaphragm valves can be arranged in the shower head.
- the plurality of diaphragm valves are arranged in particular within a housing of the shower head and / or formed with the aid of components of the shower head.
- the control valves can be arranged outside the shower head.
- the control valves can be arranged in a wall on which the sanitary fitting and / or the brewing head are attached.
- the control valves can also be arranged in particular in an area in which they can be conveniently operated by the user of the sanitary fitting.
- the plurality of control channels can open into a common return channel. In this case, the control channels open into the at least one inlet via the common return channel.
- the processes can each be connected to a jet generator of the shower head.
- liquid channels can be formed in the shower head, which connect the processes of the individual membrane valves with the respective jet formers.
- FIG. 1 a sanitary fitting
- FIG. 2 a swirl chamber of a suction device of the sanitary fitting.
- a shower head 2 In the shower head 2 is a first membrane valve 4, a second diaphragm valve 5 and a third diaphragm valve 6 are arranged.
- a liquid can be fed to the membrane valves 4, 5, 6 via an inlet 3.
- the diaphragm valves 4, 5, 6 are designed identically here. The mode of operation of the diaphragm valves 4, 5, 6 is therefore only described below with reference to the first diaphragm valve 4.
- the liquid flows from the inlet 3 first into an inlet chamber 24 of the first diaphragm valve 4, which here is annular removable detergent det.
- the liquid then flows from the first inlet chamber 4 through a compensation hole 25 in a membrane 7 into a counterpressure chamber 11.
- the counterpressure chamber 11 is located on a side of the membrane 7 opposite the inlet chamber 24.
- the membrane 7 is closed here Condition shown. In the closed state of the membrane 7 there is the same liquid pressure in the inlet chamber 24 and the counter-pressure chamber 11. Since the membrane 7 delimits the back pressure chamber 11 with a larger area than the inlet chamber 24, the force on the membrane 7 resulting from the liquid pressure of the liquid in the back pressure chamber 11 is greater than the force resulting from the liquid pressure of the liquid in the inlet chamber 24. As a result, the membrane 7 is pressed onto an annular valve seat 26.
- the valve seat 26 is formed on a longitudinal end of a first outlet 8.
- the membrane valves 4, 5, 6 can be controlled by a controller 12.
- the controller 12 comprises a first control channel 13 with a first control valve 16, a second control channel 14 with a second control valve 17 and a third control channel 15 with a third control valve 18.
- the control channels 13, 14, 15 each have only a single interface 27 to Brau sekopf 2 and open into a common return channel 20.
- the first control valve 16 is open, the liquid flows from the back pressure chamber 11 via the first control channel 16 and the return channel 20 to a suction device 19, which is arranged in the inlet 3.
- the suction device 19 sucks the liquid out of the counter-pressure chamber 11 back into the inlet 3, via which the liquid can be fed back to the membrane valves 4, 5, 6 is.
- the liquid pressure in the counter-pressure chamber 11 drops, so that the membrane 7 is lifted off the valve seat 26. I.e. the membrane 7 moves in FIG. 1 from the valve seat 26 upwards.
- the membrane 7 moves in FIG. 1 from the valve seat 26 upwards.
- the liquid can be fed to a first jet generator 21 of the shower head 2 via the first outlet 8.
- the second diaphragm valve 5 and the third diaphragm valve 6 are controlled accordingly by means of the control valves 17, 18.
- a second outlet 9 of the second membrane valve 5 is connected to a second jet generator 22 of the shower head 2 and a third outlet 10 of the third membrane valve 6 is connected to a third jet - Former 23 of the shower head 2 connected.
- the liquid can thus be fed to the jet formers 21, 22, 23 in a targeted manner by means of the control 12 and the membrane valves 4, 5, 6 depending on the desired jet type.
- the vortex chamber 28 is cylindrical, the inlet 3 opening tangentially into the vortex chamber 28, so that the fluid flowing into the vortex chamber 28 forms a vortex in the vortex chamber 28.
- the liquid emerges from the swirl chamber 28 through an outlet opening 29 on a first end face 30 of the swirl chamber 28.
- the control channels 13, 14, 15 and the return channel 20 shown in FIG. 1 are connected to the swirl chamber 28 via an inlet opening 32 on a second end face 31 of the swirl chamber 28.
- the inlet opening 31 has a diameter which is smaller than a diameter of the outlet opening 29 on the opposite first end face 30 of the vortex chamber 28.
- the negative pressure in the center of the vortex causes the liquid to flow out of the control channels 13, 14, 15 or the return channel 20 is sucked through the inlet opening 32 into the swirl chamber 28 and leaves the swirl chamber 28 with the liquid from the inlet 3 through the outlet opening 29.
- the inlet 3 extends from the outlet opening 29 to the shower head shown in FIG.
- control channels have a reduced number of interfaces to the shower head, whereby the assembly effort and the manufacturing costs of the sanitary fitting can be reduced.
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)
- Bathtubs, Showers, And Their Attachments (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019002249.1A DE102019002249A1 (de) | 2019-03-29 | 2019-03-29 | Sanitäramatur mit einer Mehrzahl von Membranventilen |
| PCT/EP2020/055878 WO2020200632A1 (de) | 2019-03-29 | 2020-03-05 | Sanitärarmatur mit einer mehrzahl von membranventilen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3947835A1 true EP3947835A1 (de) | 2022-02-09 |
| EP3947835B1 EP3947835B1 (de) | 2024-06-26 |
Family
ID=69953969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20713521.1A Active EP3947835B1 (de) | 2019-03-29 | 2020-03-05 | Sanitärarmatur mit einer mehrzahl von membranventilen |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3947835B1 (de) |
| DE (1) | DE102019002249A1 (de) |
| WO (1) | WO2020200632A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020101692A1 (de) | 2020-01-24 | 2021-07-29 | Grohe Ag | Vorrichtung für eine Sanitärarmatur mit einem Membranventil sowie eine Sanitärarmatur |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5864844B2 (ja) * | 2009-09-24 | 2016-02-17 | 株式会社ケーブイケー | シャワーヘッド |
| US20150238984A1 (en) * | 2014-02-25 | 2015-08-27 | Ransom Man Pan LEE | Showerhead with spray mode selecting function |
| CN105127022B (zh) * | 2015-09-25 | 2018-10-16 | 浙江花乐科技有限公司 | 智能化换挡顶喷花洒 |
-
2019
- 2019-03-29 DE DE102019002249.1A patent/DE102019002249A1/de active Pending
-
2020
- 2020-03-05 EP EP20713521.1A patent/EP3947835B1/de active Active
- 2020-03-05 WO PCT/EP2020/055878 patent/WO2020200632A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP3947835B1 (de) | 2024-06-26 |
| WO2020200632A1 (de) | 2020-10-08 |
| DE102019002249A1 (de) | 2020-10-01 |
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