EP1217217A1 - Hauswasserwerk - Google Patents
Hauswasserwerk Download PDFInfo
- Publication number
- EP1217217A1 EP1217217A1 EP01130171A EP01130171A EP1217217A1 EP 1217217 A1 EP1217217 A1 EP 1217217A1 EP 01130171 A EP01130171 A EP 01130171A EP 01130171 A EP01130171 A EP 01130171A EP 1217217 A1 EP1217217 A1 EP 1217217A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- terminal box
- domestic waterworks
- flow channel
- drive motor
- domestic
- 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
Images
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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0686—Mechanical details of the pump control unit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
-
- 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
- F04D29/5806—Cooling the drive system
Definitions
- the invention is based on a domestic waterworks according to the preamble of claim 1.
- the object of the invention is to improve a domestic waterworks of the type mentioned above in that the domestic waterworks is more compact and less expensive to manufacture and itself particularly suitable for automatic production.
- This solution eliminates the external water-carrying and electrical ones Cables and the external arrangement of sensor and switching devices to record important operating parameters for the domestic waterworks, so that it has a compact structure.
- the necessary Sensor and switching devices are in the terminal box of the drive motor housed so that longer electrical connection cables in the Substantially completely eliminated, since the sensor devices, in particular the pressure control device inside the terminal box whose control electronics can be connected.
- the active connection of the Sensor devices with the receiving points for the operating parameters takes place hydraulically on the shortest route from the conveying path within of the domestic waterworks.
- the funding route is a includes the cooling section surrounding the electric drive motor, which advantageous directly to a delivery outlet training of the centrifugal pump connects, is easily a strong and in the main flow effective cooling of the electric drive motor achieved.
- Training of the domestic waterworks can also do this significantly reduced cost.
- the Training of the domestic waterworks according to the invention also largely automated production of the domestic waterworks possible, so that it can be inexpensively manufactured in large quantities.
- An advantageous embodiment of the domestic waterworks according to the invention is that in the terminal box a flow channel as one additional section of the flow path and a flow monitor are provided, the flow switch inside the terminal box both connected to its control electronics and to Detecting the flow velocity in the fluid in the Flow channel is formed.
- the Flow switch with very short connections for his Operation and its function can be arranged in the terminal box.
- the flow channel it is a straight one Channel provided in the lower area of the terminal box and runs axially parallel to the common axis of rotation of the drive motor and the Centrifugal pump. This makes it easy to manufacture by casting of the flow channel.
- Another advantageous construction is that of the flow channel in the terminal box on the one facing away from the centrifugal pump Provided side of the drive motor of the domestic waterworks Water pressure accumulator is connected, which is partially in the housing of the Domestic waterworks can be incorporated. As a result, the Water pressure accumulator conveniently and space-saving on the conveying path connected and arranged at the domestic waterworks.
- the domestic waterworks generally designated 1 according to FIG. 1 comprises as essential components with a self-priming centrifugal pump 2 a suction port 2 a and an electric drive motor 4 with a Terminal box 3.
- the domestic waterworks has a common foot 5 and a delivery outlet 6.
- the domestic waterworks with a Water pressure accumulator 7 may be provided on the centrifugal pump 2 opposite side of the drive motor 4 is provided.
- the terminal box 3 comprises a lid 3 a and a peripheral wall 3 b, with a Housing wall 4 a of the domestic waterworks as a one-piece component Injection molded component is formed.
- the centrifugal pump 2 is multi-stage; however, it can also be a single stage pump. It can also be seen in FIG. 2 that that the housing wall 4 a of the domestic waterworks 1 the electrical Drive motor 4 circumferentially surrounds at a distance, so that an annular Circumferential space is formed, which serves as a cooling space 8 to the motor 4th with the delivery liquid arriving directly from the centrifugal pump 2 cool.
- the centrifugal pump has an essentially ring-shaped one Delivery outlet formation 9, through which the delivery liquid from the pump to the cold room 8.
- funding outlet training 9 there are a plurality of spaced-apart support ribs 9 a to a hub 10 for the mounting of the drive shaft 11 of the motor 4th to support, the drive shaft being extended in the case shown is to support the stages of pump 2.
- a pressure control device 12 is provided in the Terminal box 3, a pressure control device 12 is provided.
- the pressure control device has a connection opening 13, which is a connection to the annular cooling space 8. This allows the delivery pressure the incoming from the centrifugal pump 2 and the electrical Drive motor 4 in the cooling chamber 8 circumferentially flowing liquid be determined by the pressure control device.
- the pressure control device causes an electrical control signal in the control electronics (not shown) in the terminal box 3 to the electric drive motor 4, which drives the centrifugal pump 2 accordingly switch the detected pressure on and off.
- a flow channel 14 is provided in the terminal box 3, a flow channel 14 is provided.
- This flow channel is preferably as a straight channel in the lower area of the terminal box arranged and advantageously runs axially parallel to the common axis of rotation 15 of the drive motor 4 and the centrifugal pump 2.
- the Flow channel 14 constructed so that it also together with the the above-mentioned one-piece injection molded component as a whole one-piece injection molded component is produced.
- a flow monitor 16 is in the terminal box 3 provided, the rotating measuring wheel 17 in the flow channel 14th is provided.
- the flow switch 16 is electrical with the Control electronics (not shown) connected to the terminal box so that the Measurement signals from the flow switch are processed in the control electronics can.
- the control signals obtained in this way are also used used the electric drive motor 4 and thus the centrifugal pump 2 to switch or control.
- the flow channel 14 is provided via an upstream side of this channel Connection opening 18 connected to the cooling space 8, so that the the fluid flowing around the motor 4 from the cooling space 8 in the Flow channel arrives and this behind the measuring wheel 17 of Flow monitor 16 via the delivery outlet 6 of the domestic waterworks 1 leaves.
- the internal conveying path trained, which ends at the pump outlet 6 of the domestic waterworks.
- the cooling space 8 and the flow channel 14 thus form sections of the conveying path. If a flow switch 16 is not required, the internal funding path through the domestic waterworks should also be designed in such a way that the cooling room 8 is directly connected to the delivery outlet 6 of the domestic waterworks is, so that the flow channel 14 is omitted.
- the pressure control device 12 is also configured in this way be that they are used to record the delivery pressure in the internal delivery path Communicates only with the flow channel 14 via a lateral opening 14 a.
- the pressure control device can operate simultaneously both with the flow channel 14 and with the cooling space 8 communicates, on the condition that the connection opening 18 is closed or not applicable.
- the latter is e.g. B. conceivable if at the Flow channel 14, a pressurized water tank is connected, as still clearly is.
- the room 12 a of the pressure control device 12 then communicates not only through the opening 14 a with the flow channel 14, but also via the valve opening 12 b (Fig. 5).
- the pressure control device thus acts also as a pressure maintaining device for one at the delivery outlet 6 of the domestic waterworks 1 desired water pressure.
- the desired water pressure can be preset by the membrane 20 with the Valve stem 21 of the device 12 by means of the spring 21 a and one Thread 22 adjustable adjusting plate 23 is adjusted axially.
- the lid 3 a of the terminal box 3 can be opened or it is alternatively, a lockable adjustment opening is provided in the lid 3a (not shown, but easily understandable for the expert).
- the domestic waterworks can be equipped with a Water pressure accumulator 7 may be provided in a known type.
- This Water pressure accumulator is directly connected to the flow channel on the inflow side, whereby a separate connecting line between the Pressurized water reservoir 7 and the flow channel 14 are omitted.
- the pressurized water tank at least partially is integrated in a connection housing part 4 b of the domestic waterworks, around the pressurized water tank mechanically securely held on the aforementioned To fix housing wall 4 a of the domestic waterworks.
- the centrifugal pump 2 conveys its delivery liquid about their delivery outlet training 9 in the cold room 8, where they flows around the encapsulated electric drive motor 4 circumferentially and thereby cools.
- the pumped liquid then continues through the Connection opening 18 in the flow channel 14, flows through it and then reaches via the delivery outlet 6 of the domestic waterworks 1 connected supply line.
- the pumped liquid is determined while flowing through of the flow channel 14 is a corresponding parameter for the flow velocity the liquid is determined. From these parameters 3 control signals are in the control electronics of the terminal box or switching signals for the electric drive motor 4 developed to finally the centrifugal pump 2 in connection with the others, in the control electronics operate preset operating parameters, d. H. turn and turn off.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
- Fig. 1
- Eine perspektivische Ansicht des Hauswasserwerkes,
- Fig. 2
- einen Längsschnitt durch das Hauswasserwerk,
- Fig. 3
- eine Aufsicht auf das Hauswasserwerk mit geöffnetem Klemmenkasten,
- Fig. 4
- einen Teilquerschnitt nach der Linie IV - IV in Figur 3,
- Fig. 5
- einen weiteren Teilquerschnitt gemäß Figur 4.
Claims (10)
- Hauswasserwerk, umfassend eine selbstansaugende Kreiselpumpe, einen elektrischen Antriebsmotor mit einem eine Steuerelektrik enthaltenden Klemmenkasten für die Kreiselpumpe und eine Drucksteuereinrichtung, die mit dem Förderdruck derzu einem Förderauslass des Hauswasserwerkes strömenden Förderflüssigkeit der Kreiselpumpe zusammen wirkt, dadurch gekennzeichnet, dass innerhalb des Hauswasserwerkes (1) ein sich von der Kreiselpumpe (2) bis zu dem Förderauslass (6) des Hauswasserwerkes erstreckender und den Antriebsmotor (4) umgebender Förderweg (8, 14) für die Förderflüssigkeit der Kreiselpumpe (2) vorgesehen ist und dass die Drucksteuereinrichtung (12) in dem Klemmenkasten (3) angeordnet und darin an dessen Steuerelektrik angeschlossen und zum Erfassen des Druckes der Förderflüssigkeit in dem Förderweg (8, 14) ausgebildet ist.
- Hauswasserwerk nach Anspruch 1, dadurch gekennzeichnet, dass der Förderweg einen den elektrischen Antriebsmotor (4) wenigstens an seinem Umfang umgebenden Kühlraum (8) einschließt und dass die Drucksteuereinrichtung (12) zum Erfassen des Druckes der Förderflüssigkeit mit einer Verbindungsöffnung (13) zu dem Kühlraum (8) versehen ist.
- Hauswasserwerk nach Anspruch 1, dadurch gekennzeichnet, dass der Förderweg einen den elektrischen Antriebsmotor (4) wenigstens an seinem Umfang umgebenden Kühlraum (8) und einen diesem nachgeordneten, in dem Klemmkasten (3) vorgesehenen Strömungskanal (14) umfasst und dass die Drucksteuereinrichtung (12) mit dem Strömungskanal (14) und dem Kühlraum (8) zum Halten eines gewünschten Druckes der Förderflüssigkeit kommuniziert.
- Hauswasserwerk nach Anspruch 1, dadurch gekennzeichnet, dass in dem Klemmkasten (3) ein dem Antriebsmotor (4) nachgeordneter Strömungskanal (14) als Teilstrecke des Förderweges und ein Strömungswächter (16) vorgesehen sind und dass der Strömungswächter innerhalb des Klemmkastens sowohl an dessen Steuerelektrik angeschlossen als auch zum Erfassen der Strömungsgeschwindigkeit der Förderflüssigkeit in dem Strömungskanal ausgebildet ist.
- Hauswasserwerk nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass der Strömungskanal (14) als gerader Kanal im unteren Bereich des Klemmenkastens (3) vorgesehen ist.
- Hauswasserwerk nach Anspruch 3, 4 oder 5, dadurch gekennzeichnet, dass der Strömungskanal (14) achsparallel zur gemeinsamen Drehachse des Antriebsmotors (4) und der Kreiselpumpe (2) verläuft.
- Hauswasserwerk nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass der Strömungskanal (14) in dem Klemmenkasten (3), eine den elektrischen Antriebsmotor (4) mit Abstand umgebende Gehäusewand (4 a) des Hauswasserwerkes (1) und eine untere, an die Gehäusewand angrenzende Umfangswand (3 b) des Klemmenkastens zusammen als ein einstückiges Spritzgußbauteil ausgebildet sind.
- Hauswasserwerk nach einem der Ansprüche 3 bis 7, dadurch gekennzeichnet, dass an den Strömungskanal (14) in dem Klemmenkasten (3) ein auf der der Kreiselpumpe (2) abgekehrten Seite des Antriebsmotors (4) vorgesehener Wasserdruckspeicher (7) angeschlossen ist.
- Hauswasserwerk nach Anspruch 8, dadurch gekennzeichnet, dass der Wasserdruckspeicher (7) wenigstens teilweise in einem Anschlussgehäuseteil (4 b) des Hauswasserwerkes (1) eingegliedert ist.
- Hauswasserwerk nach einem der Ansprüche 4 bis 9, dadurch gekennzeichnet, dass die Drucksteuervorrichtung (12) mittels einer Öffnung (14 a) dem Druck der Förderflüssigkeit in dem Strömungskanal (14) ausgesetzt ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10064708A DE10064708A1 (de) | 2000-12-22 | 2000-12-22 | Hauswasserwerk |
DE10064708 | 2000-12-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1217217A1 true EP1217217A1 (de) | 2002-06-26 |
EP1217217B1 EP1217217B1 (de) | 2010-07-14 |
Family
ID=7668764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01130171A Expired - Lifetime EP1217217B1 (de) | 2000-12-22 | 2001-12-19 | Hauswasserwerk |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1217217B1 (de) |
DE (2) | DE10064708A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2942528A1 (de) * | 2014-05-06 | 2015-11-11 | Thomas Magnete GmbH | Pumpenaggregat mit elektromotor |
EP3147509A1 (de) | 2015-09-23 | 2017-03-29 | Inbrooll Industries, SL | Mehrstufige kreiselpumpe mit einem gekühlten frequenzumrichter, der zwischen der pumpe und dem motor angeordnet ist |
EP3156663A1 (de) * | 2015-10-15 | 2017-04-19 | Grundfos Holding A/S | Kreiselpumpenaggregat |
RU2637284C1 (ru) * | 2015-10-15 | 2017-12-01 | Грундфос Холдинг А/С | Модуль для домовой насосной станции |
CN114233644A (zh) * | 2021-12-09 | 2022-03-25 | 浙江泰福泵业股份有限公司 | 水冷式水泵 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0639715A1 (de) | 1993-08-18 | 1995-02-22 | Grundfos A/S | Vorrichtung zum Liefern von Flüssigkeit |
EP0992685A2 (de) * | 1998-10-07 | 2000-04-12 | GARDENA Kress + Kastner GmbH | Elektronische Durchflussregelung einer Haushaltspumpe |
EP0992686A2 (de) * | 1998-10-07 | 2000-04-12 | GARDENA Kress + Kastner GmbH | Ventilgesteuerte Durchflussregelung einer Haushaltspumpe |
EP1041595A2 (de) | 1999-03-31 | 2000-10-04 | Grundfos A/S | Kreiselpumpenaggregat |
EP1134419A2 (de) * | 2000-03-17 | 2001-09-19 | WILO GmbH | Kreiselpumpe mit gekühlter Elektronikeinheit |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2612996B1 (fr) * | 1987-03-27 | 1992-05-15 | Guinard Pompes | Groupe motopompe destine notamment aux installations d'alimentation en liquide |
DE4304150C1 (de) * | 1993-02-12 | 1994-05-11 | Grundfos A S Bjerringbro | Wasserversorgungsaggregat |
DE19923349A1 (de) * | 1998-10-07 | 2000-04-20 | Gardena Kress & Kastner Gmbh | Flüssigkeitspumpenanordnung, insbesondere für die Verwendung in Haus und/oder Garten |
-
2000
- 2000-12-22 DE DE10064708A patent/DE10064708A1/de not_active Ceased
-
2001
- 2001-12-19 EP EP01130171A patent/EP1217217B1/de not_active Expired - Lifetime
- 2001-12-19 DE DE50115555T patent/DE50115555D1/de not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0639715A1 (de) | 1993-08-18 | 1995-02-22 | Grundfos A/S | Vorrichtung zum Liefern von Flüssigkeit |
EP0992685A2 (de) * | 1998-10-07 | 2000-04-12 | GARDENA Kress + Kastner GmbH | Elektronische Durchflussregelung einer Haushaltspumpe |
EP0992686A2 (de) * | 1998-10-07 | 2000-04-12 | GARDENA Kress + Kastner GmbH | Ventilgesteuerte Durchflussregelung einer Haushaltspumpe |
EP1041595A2 (de) | 1999-03-31 | 2000-10-04 | Grundfos A/S | Kreiselpumpenaggregat |
EP1134419A2 (de) * | 2000-03-17 | 2001-09-19 | WILO GmbH | Kreiselpumpe mit gekühlter Elektronikeinheit |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2942528A1 (de) * | 2014-05-06 | 2015-11-11 | Thomas Magnete GmbH | Pumpenaggregat mit elektromotor |
CN105090050A (zh) * | 2014-05-06 | 2015-11-25 | 托马斯马格尼特股份有限公司 | 带电机的泵组 |
EP3147509A1 (de) | 2015-09-23 | 2017-03-29 | Inbrooll Industries, SL | Mehrstufige kreiselpumpe mit einem gekühlten frequenzumrichter, der zwischen der pumpe und dem motor angeordnet ist |
WO2017051235A1 (en) | 2015-09-23 | 2017-03-30 | Inbrooll Industries, S.L. | Multistage centrifugal pump with a cooled frequency converter placed between the pump and the motor |
EP3156663A1 (de) * | 2015-10-15 | 2017-04-19 | Grundfos Holding A/S | Kreiselpumpenaggregat |
CN107013469A (zh) * | 2015-10-15 | 2017-08-04 | 格兰富控股联合股份公司 | 离心泵机组 |
RU2637284C1 (ru) * | 2015-10-15 | 2017-12-01 | Грундфос Холдинг А/С | Модуль для домовой насосной станции |
US10400792B2 (en) | 2015-10-15 | 2019-09-03 | Grundfos Holding A/S | Centrifugal pump assembly comprising at least one impeller producing flow through and an annular space divided by at least two guide vanes into part-annular-spaces |
CN107013469B (zh) * | 2015-10-15 | 2020-03-17 | 格兰富控股联合股份公司 | 离心泵机组 |
US10626872B2 (en) | 2015-10-15 | 2020-04-21 | Grundfos Holding A/S | Water supply system |
CN114233644A (zh) * | 2021-12-09 | 2022-03-25 | 浙江泰福泵业股份有限公司 | 水冷式水泵 |
Also Published As
Publication number | Publication date |
---|---|
DE10064708A1 (de) | 2002-07-11 |
EP1217217B1 (de) | 2010-07-14 |
DE50115555D1 (de) | 2010-08-26 |
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