EP1399680A1 - Pumpeneinheit für regenwassernutzungsanlagen - Google Patents
Pumpeneinheit für regenwassernutzungsanlagenInfo
- Publication number
- EP1399680A1 EP1399680A1 EP02704651A EP02704651A EP1399680A1 EP 1399680 A1 EP1399680 A1 EP 1399680A1 EP 02704651 A EP02704651 A EP 02704651A EP 02704651 A EP02704651 A EP 02704651A EP 1399680 A1 EP1399680 A1 EP 1399680A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drinking water
- pump
- pump unit
- molded body
- housing
- 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
- 238000004064 recycling Methods 0.000 title abstract 2
- 235000020188 drinking water Nutrition 0.000 claims abstract description 43
- 239000003651 drinking water Substances 0.000 claims abstract description 43
- 238000001816 cooling Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 101100495769 Caenorhabditis elegans che-1 gene Proteins 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 3
- 238000004806 packaging method and process Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/5893—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps heat insulation or conduction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
Definitions
- the present invention relates to a pump unit for rainwater harvesting systems with a housing, the functional elements being a pump, a
- Drinking water feed device as well as piping means and control means surrounds.
- Pump units of this type are known from practice. They are used to control rainwater utilization systems in which rainwater is sucked in from a cistern and fed under pressure into a water pipe system for use in toilet flushes, washing machines, garden irrigation and similar consumption points.
- the drinking water feed device is activated when the water level in the cistern is low in order to supply drinking water to the consumption points if required.
- the control is for the consumption-dependent and water level-dependent control of valves and pump motor provided.
- the known pump units are composed of individual components which are attached to a rear wall or directly to a wall bracket.
- the components are covered with a housing made of non-foamed plastic or sheet metal.
- the housing elements have no essential supporting function. In particular, transport locks and shock protections must be provided for the transport of the pump unit. When assembling and starting up the pump unit for the first time, the housing parts must be removed to gain access to the functional elements. Finally, the noise damping of the housing elements of known pump units is not particularly good.
- the housing has at least one molded body made of a foamed plastic
- the molded body has recesses into which the functional elements are inserted and the functional elements are connected to one another via electrical conductors or pipe means
- the functional elements can already be inserted into the molded body at the factory.
- the molded body can then already serve as a transport lock and shock protection. He can when assembling the The pump unit remains on the functional elements and effectively dampens the noises that occur during operation.
- air can be guided to one or more functional elements.
- the air can be supplied specifically to the required locations, while in the known non-foamed housings the entire interior is filled with air without specifically supplying this air to a component.
- the channel is designed for the removal of condensed water from the housing or for the targeted supply of cooling air to the pump, if it is air-cooled.
- a particularly simple mechanical structure results if the
- Drinking water feed device is set up mechanically on the one hand for mounting on a building wall and on the other hand for carrying the pump. As a result, a vibration-absorbing component in the form of the drinking water feed device between the pump and the building wall is switched on.
- Drinking water feed device is preferably used essentially without an air gap in the molded body. As a result, when cold drinking water is applied, condensation of atmospheric moisture on the outside of the drinking water supply device can be completely avoided. It can also be provided that the drinking water feed device is surrounded by a channel which guides the cooling air in the direction of the air flow downstream of the pump, at least along the parts to which drinking water is applied. Such air routing of the cooling air already heated by the pump accelerates the drying of any condensation.
- the molded body is advantageously formed in two parts with a front part and a rear part facing the building wall, a division being oriented essentially parallel to the building wall.
- a reduction in the production costs for the housing can be achieved if the front part is not or only partially covered by a non-foamed covering hood during operation.
- the foamed molded body can be directly provided with decorative elements in its area visible during operation, which make further cladding unnecessary.
- the control is preferably provided with operating elements assigned to the front part, which are accessible during operation.
- the controls can then be arranged for initial start-up so that they are accessible without dismantling the housing or the front of the molded body. This ensures that the pump unit does not have to be opened either during assembly or during commissioning.
- Figure 1 A pump unit according to the invention in a perspective exploded view
- FIG. 2 the pump unit according to FIG. 1 with the front part removed;
- Figure 3 the rear molded body of a
- Figure 4 the pump unit of Figure 1 in a schematic representation from the right;
- Figure 5 the pump unit according to Figure 4 in a schematic representation from the left;
- Figure 6 the pump unit according to Figures 4 and 5 in a plan view
- Figure 7 the pump unit according to Figures 4-6 from below; such as
- FIG 8 the pump unit according to Figures 4-7 from its rear.
- FIG. 1 is an exploded perspective view of a pump unit according to the invention seen obliquely from below.
- the pump unit comprises a rear part 1 and a front part 2, which together form a molded body made of a foamed plastic.
- the back part 1 and the front part 2 can be separated along a parting line 3.
- the molded body has a large number of recesses, some of which are designated by the reference number 4.
- the recesses 4 are designed in such a way that they can accommodate a drinking water feed device 5, a pump 6, pipe means 7 and control means (not shown in FIG. 1) in such a way that the molded body can be closed when the functional elements are inserted and essentially completely encloses the functional elements.
- the pump 6 and the drinking water feed device 5 are connected to one another via the pipe means 7.
- the pump 6 is also directly attached to the screwed-on silent blocks
- Drinking water feed device 5 and is attached to it via tensioning straps.
- the invisible control is also directly connected to the pump 6, so that all functional elements form a self-supporting unit, which does not require a separate holder in the rear part 1 or the front part 2 of the molded body.
- the drinking water feed device 5 comprises a drinking water connection 10, a feed valve 11 which feeds into a drinking water supply 13 via a drop section 12, and an emergency overflow 14 which can be connected to a drain via a siphon which is covered by the pump 6 in the illustration according to FIG. 1.
- the housing walls of these components are made in one piece from a plastic material and, because of their size, their wall thickness and the material used, offer a high degree of inherent stability.
- the drinking water feed device 5 also has undercut areas 15 which can interact with correspondingly adapted latching lugs of the rear part 1, so that the back part 1 snaps into the drinking water feed device 5 in a form-fitting manner. If the functional elements are inserted into the back part 1 and are locked with it, the drop section 12, which is necessary and prescribed for separating the municipal tap water system from the used water and waste water, is arranged at a distance from the right outer housing wall of the back part 1. Forms between the reservoir 13 and the wall of the back part 1 then there is an overflow channel which opens downwards into the open in the region of an opening 16.
- the front part 2 When the front part 2 is attached, the entire pump unit is closed.
- the drinking water connection 10, the emergency overflow 14 and a suction line 17 for sucking in rainwater from a cistern are then accessible from the outside.
- the front part 2 bears a total of three cutouts on the front side, of which a rectangular cutout 18 gives access to control elements of the control, a round cutout 19 provides a view of a pressure measuring device for displaying the pressure in the pressure line not visible in the illustration in FIG. as well as a likewise round cutout 20, which makes a push button accessible for commissioning.
- the molded body When closed, there are no sensitive components protruding outward from the molded body.
- the molded body is held stable and firmly by latching on the drinking water feed device 5.
- the molded body is therefore suitable as shock protection without further measures and with a simple outer packaging as transport packaging.
- FIG. 2 shows a pump unit according to FIG. 1 with the front part removed and the back part attached.
- the back part 1 surrounds the functional elements in the manner already described.
- the pump 6 is operated by a drive motor 22 which carries a controller 23.
- the drive motor 22 is air-cooled and draws in the cooling air during operation via a side opening 24 in the rear part 1.
- the cooling air is guided in such a way that the drive motor 22 is first flowed around by the cooling air, which heats up in the process. The following will the cooling air through suitable design of the recesses
- FIG. 3 alone shows the rear part 1 in a representation according to FIG. 1.
- locking lugs 25 are visible, which serve to hold the rear part 1 on the drinking water feed device 5.
- the locking lugs 25 are formed in one piece with the back part 1 and engage behind the undercuts 15 when the functional elements are inserted, in order to ensure a secure connection between the back part 1 and the functional elements without requiring separate fastening elements.
- FIG. 3 shows how the drinking water feed device 5 is inserted into the rear part 1.
- the recesses 4 on the right side of the rear part 1 hold the feed valve 11 and the drinking water reservoir 13, from which the pump 6 possibly draws drinking water.
- the siphon-like emergency overflow which is denoted by 14 in FIG. 1, runs below the drinking water storage container 13 to the left, then upwards and again around 180 ° downwards, a projection 26 being enclosed.
- the emergency overflow 14 goes downward from the projection 26 in order to emerge in the region of a housing opening 27.
- FIG. 4 shows the pump unit according to FIG. 1 in the closed state in a side view from the right. It can be seen that the pump unit on its right side is completely closed except for the tap water connection 10.
- FIG 5 shows according to Figure 4, the pump unit in the closed state in a side view from the left.
- the opening 24 for cooling air of the drive motor 22 can be seen in this side view.
- a vent valve 30 is provided in the center of the parting line 3, which serves to vent the pump when it is started up for the first time. Since the vent valve 30 is accessible from the outside, the pump unit does not have to be opened for commissioning.
- FIG. 6 shows a top view of the pump unit of FIGS. 4 and 5.
- a pressure connection 35 is accessible from the top and is used to connect the pump unit to a line network to be fed with rainwater.
- a pressure gauge 36 is connected directly to the pressure port 35 and can be observed by the user through the opening 19 shown in FIG. 1.
- FIG 7 shows the pump unit of Figures 4-6 from below.
- the overflow 16 of the drop section 12 can be seen, which is led openly downwards.
- the emergency overflow 14 of the drinking water storage container 13 can be seen, which is also led downwards out of the pump unit.
- This emergency overflow can be separated functionally and spatially from the drop section 12 is to be connected separately to a sewage pipe without endangering the required separation of sewage / process water and tap water.
- the otherwise required collecting funnel can be omitted.
- FIG. 8 shows the pump unit of FIGS. 4-7 in a perspective view from behind.
- a wall bracket 40 can be seen, which is provided with through holes 41 for mounting on a building wall.
- the wall bracket 40 engages with a tab 42 on its top in a corresponding recess in the
- Drinking water feed device 5 a Furthermore, on the underside of the wall bracket 40 there is a section 43, which points approximately horizontally away from the building wall and engages in a corresponding slot 44 in the rear part 1. Two locking lugs 45, which are formed in one piece with the back part 1 and point into the slot 44, reach under the section 43 after the pump unit has been installed on the wall bracket 40, so that it cannot be accidentally raised upwards.
- the pump unit described so far is characterized in that the functional elements, ie the drinking water feed device 5, the pump 6, the piping means 7, which are not described in more detail electrical connections and the controller 23 are firmly connected to one another, the drinking water feed device 5 forming the supporting base body.
- the molded body, formed from the back part 1 and the front part 2 is placed on the functional elements and essentially surrounds them in a form-fitting manner.
- the design of the inner recesses allows an air flow to be generated in such a way that fresh air is drawn in from the outside through the opening 24 and is used to cool the drive motor 22. The then heated cooling air can be directed around parts or the whole
- Drinking water feed device 5 are guided around, so that any condensate that may be formed by contact with the cold drinking water is taken up and removed by the warm and therefore relatively dry air. This effectively counteracts the formation of condensate.
- the cold drinking water is taken up and removed by the warm and therefore relatively dry air. This effectively counteracts the formation of condensate.
- Drinking water supply device 5 are so tightly enclosed by the rear part 2 and the front part 1 that no contact with the outside air is possible and consequently condensate formation is impossible at least in these areas.
- the molded body encloses the functional elements on all sides, so that apart from an outer packaging, no further transport lock is required for shipping.
- the functional elements are held firmly in the molded body, so that there is no fear of mechanical stress on the functional elements due to relative movement to one another.
- the structure of the molded body is such that all necessary for assembly and commissioning Elements of the pump unit are accessible from the outside. All connections can be reached without removing the front part.
- For wall mounting only the wall bracket 40 is screwed onto a building wall and then the pump unit is placed on the wall bracket 40 from above, so that the upper tab 42 engages in the corresponding recess of the supporting drinking water feed device 5.
- the locking lugs 45 then reach under section 43 and secure the pump unit at its installation location. No further fastening measures are necessary.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Details Of Reciprocating Pumps (AREA)
- Devices For Dispensing Beverages (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Farming Of Fish And Shellfish (AREA)
- Cultivation Of Seaweed (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10112626 | 2001-03-14 | ||
| DE10112626A DE10112626A1 (de) | 2001-03-14 | 2001-03-14 | Pumpeneinheit für Regenwassernutzungsanlagen |
| PCT/EP2002/000265 WO2002073041A1 (de) | 2001-03-14 | 2002-01-14 | Pumpeneinheit für regenwassernutzungsanlagen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1399680A1 true EP1399680A1 (de) | 2004-03-24 |
| EP1399680B1 EP1399680B1 (de) | 2007-10-31 |
Family
ID=7677671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02704651A Expired - Lifetime EP1399680B1 (de) | 2001-03-14 | 2002-01-14 | Pumpeneinheit für regenwassernutzungsanlagen |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1399680B1 (de) |
| AT (1) | ATE377153T1 (de) |
| DE (2) | DE10112626A1 (de) |
| WO (1) | WO2002073041A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10257493A1 (de) * | 2002-12-10 | 2004-09-09 | Wilo Ag | Motor-Pumpen-Aggregat mit Wärmedämmungsschale |
| NL1025198C2 (nl) * | 2004-01-09 | 2004-11-24 | V O F Kitchenconnect | Aansluiteenheid en werkwijze voor het installeren in een keuken. |
| WO2009140725A1 (en) * | 2008-05-19 | 2009-11-26 | Tandem Bicycle Pty Ltd | Water interface unit for interfacing a supplementary water supply, eg rainwater, with a mains water supply |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2091949C (en) * | 1992-03-19 | 1997-03-04 | Josef Dumser | Device for supplying a circuit of a heating or cooling supply system |
| DE4224853C2 (de) * | 1992-07-28 | 2001-06-21 | Wilo Gmbh | Verpackung für eine Pumpe |
| DE4406233A1 (de) * | 1994-02-25 | 1995-08-31 | Wilo Gmbh | Vorrichtung mit einer elektromotorisch betriebenen Pumpe |
| DE19711066A1 (de) * | 1997-03-17 | 1998-09-24 | Vari Laszlo | Bauweise einer zentralen Steuer- und Fördereinheit für eine Regenwassersnutzungsanlage |
| DE19816293A1 (de) * | 1998-04-11 | 1999-10-14 | Detlev Steinle | Vorrichtung zur Nutzung von Regenwasser als Brauchwasser |
| DE29901474U1 (de) * | 1999-01-29 | 1999-04-22 | Eisenwerk Wittigsthal GmbH, 08349 Johanngeorgenstadt | Montagebaustein für die Heizungs- und Sanitärinstallation |
-
2001
- 2001-03-14 DE DE10112626A patent/DE10112626A1/de not_active Withdrawn
-
2002
- 2002-01-14 WO PCT/EP2002/000265 patent/WO2002073041A1/de not_active Ceased
- 2002-01-14 AT AT02704651T patent/ATE377153T1/de not_active IP Right Cessation
- 2002-01-14 DE DE50211140T patent/DE50211140D1/de not_active Expired - Lifetime
- 2002-01-14 EP EP02704651A patent/EP1399680B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO02073041A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10112626A1 (de) | 2002-09-19 |
| EP1399680B1 (de) | 2007-10-31 |
| DE50211140D1 (de) | 2007-12-13 |
| ATE377153T1 (de) | 2007-11-15 |
| WO2002073041A1 (de) | 2002-09-19 |
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