EP1132623A2 - Motorbaueinheit für ein Tauchpumpenaggregat - Google Patents
Motorbaueinheit für ein Tauchpumpenaggregat Download PDFInfo
- Publication number
- EP1132623A2 EP1132623A2 EP01104337A EP01104337A EP1132623A2 EP 1132623 A2 EP1132623 A2 EP 1132623A2 EP 01104337 A EP01104337 A EP 01104337A EP 01104337 A EP01104337 A EP 01104337A EP 1132623 A2 EP1132623 A2 EP 1132623A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- component
- heat
- motor
- motor unit
- unit according
- 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
- 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
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
-
- 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
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5813—Cooling the control unit
Definitions
- the invention relates to a motor assembly for a submersible pump unit with the features specified in the preamble of claim 1.
- Motor units of this type are used for submersible pump units, which have a slim and essentially cylindrical shape and are adapted to the specified narrow borehole dimensions.
- Such Submersible pump units are for example from DE 38 20 005 C1 or EP 0 346 730 B1.
- With these submersible pump units is a Integrated frequency converter, which enables the pump unit in the Essentially regardless of the frequency and voltage of the electrical To drive the supply network at high speed and thus a high Delivery rate even with a comparatively small pipe diameter or Achieve aggregate diameter.
- the object of the invention is to develop a generic engine assembly so that it is inexpensive can be produced in particular in large series production and described assembly problems can be avoided.
- the basic idea of the present invention is based on the thermally conductive To avoid contact between the inner housing and the housing jacket and instead one or more heat distributors if required provide the heat directly to the case shell submit.
- the heat distributors are in their outer contours adjusted the inner contour of the housing shell so that it over essentially their entire circumference lies against the housing jacket and thus grant a large-scale heat transfer. Since only in Area of the heat distributor a heat-conducting system is required the remaining parts of the slot can be designed freely. So on an inner housing can be largely dispensed with or made of plastic or other materials.
- the heat distributor which is heat-conducting with the first component, is preferred.
- the component that contains the power section of the frequency converter is connected, arranged at the motor end of the frequency converter.
- the power section is not necessarily only the power circuit, but also to understand the power electronics of the input circuit if necessary. This results in short line connections from the power section to the engine.
- the line connection in a particularly advantageous development of the invention by the first Component itself be formed.
- the first heat distributor for the power section expediently has a transverse wall on which the first component is flat and thermally conductive is present in order to allow heat dissipation to the housing jacket.
- This Transverse arrangement of the first structural unit offers special advantages that are described in more detail below.
- the first component which is usually used as a semiconductor component or cast semiconductor component is formed in particular in the coils of the frequency converter free heat to dissipate is.
- These frequency converter coils are preferred each thermally conductive in an axial recess of a heat spreader incorporated.
- a coil can also be incorporated in the heat distributor for the power section on the other side of the transverse wall by providing one such an axial recess.
- the component that forms the intermediate circuit, and possibly also the input circuit or parts of the input circuit can include, as well as the control electronics (This includes control electronics in a broader sense, including that assemblies required for the control) are advantageous on circuit boards arranged, which is in the longitudinal direction of the engine assembly extend. It is expedient for each of the two components a circuit board is provided. The boards are approximately parallel and one above the other arranged. This arrangement has the particular advantage that all line connections between the first component and the second component, between the second and the third component and between the first component and the third component through the first Component itself can be formed. Such an arrangement is Manufacturing and assembly technology particularly cheap, since a large part of the Line connections within the frequency converter through the first Component can be formed, which significantly increases the number of assembly steps reduced.
- first component outgoing line connections through sheet metal sections formed mechanically by a plastic potting body are connected and held, as is the case with the exemplary embodiment is still described in detail.
- This plastic potting body serves also advantageous for fastening the first component to the heat distributor. He can the semiconductor element comprising the power section of the frequency converter enclose or completely absorb.
- the motor assembly has a motor, the stator 1 of which is shown on the left in the figure is recognizable below.
- the associated rotor is not for reasons of clarity drawn.
- This stator is connected to the drive shaft facing away from a first heat spreader 2, which is the same circular Has outer contour as the stator 1 and aligned with this in the (not shown) housing jacket is pressed.
- the heat spreader 2 has a substantially cylindrical shape and faces the stator 1 facing side a recess 3, which are substantially rounded Has cross section and through a transverse wall 4 in its axial extent is limited.
- This recess 3 has a longitudinal groove 5, which the Transverse wall 4 in the form of an essentially rectangular opening enforced.
- the recess 3 is provided for receiving a coil 6, which is pressed into this recess 3 in such a way that good heat transfer from the coil 6 to the heat spreader 2. It deals is a coil for reactive current compensation. Electrically connected is this coil 6 via two connections 7, which through the longitudinal groove 5 are carried out, pass through the transverse wall 4 and on the Stator 1 facing away from the heat spreader 2 are led out. The heat generated in the coil 6 is given off to the heat distributor 2, the cylindrical (not shown) made of sheet metal Housing shell is pressed in and with essentially all of it Circumferential surface with this housing jacket in a heat-conducting manner stands.
- first component 8 which the power part of the Frequency converter.
- This component 8 comprises the six circuit breakers, the freewheeling diodes and the braking resistors. These are in a common discrete component in the form of a semiconductor component integrated.
- the electrical wiring and connections of this Semiconductor components are made by die-cut or otherwise Sheet metal sections formed in a common potting body 10 held and mechanically connected.
- the Potting body 10 surrounds the semiconductor component 9 and fixes the the sheet metal sections formed lines or connections of the first Component 8.
- This potting body 10 is also used for attachment of the semiconductor component 9 on the heat spreader.
- holes 11 are provided, which of (not shown) Studs of the heat distributor 2 formed from light metal penetrate are and after the incorporation of the component 8 in the heat spreader 2 are deformed into a rivet head, which the component 8 positively connects to the heat spreader 2. Then the semiconductor component lies 9 flat on the transverse wall 4 of the heat distributor 2.
- the first component 8 has connections 12 directed towards the stator 1 which are made of the plane of the semiconductor component 9 are bent by 90 ° and also enclosed in this bent region by the potting body 10 are. These connections 12 with the surrounding part of the Potting body 10 are guided over the longitudinal groove 5 to the stator 1, connect the power section directly with the stator 1 of the motor.
- connections 13 which comprise the power section first component 8 with a second, the input and intermediate circuit the component 14 forming the frequency converter.
- the second component 14 is built on a circuit board 15, the components of which are shown are arranged according to the figure on the underside.
- the connections 13 can either be used as plug connections or as solder connections electrical connection with this circuit board 15.
- connections 7 of the coil 6 are like this designed that these are in the assembled state in the area of the connections 14 lie, whereby this coil 6 with the circuit board 15 and thus with the second Component 14 is wired.
- the board 15 extends as from the figure also shows, essentially in the longitudinal direction of the motor assembly.
- a third one Control and regulating circuit of the component 16 having the frequency converter provided that also has a circuit board 17.
- the board 17 carries the electronic components also on the bottom in Figure 1 Page.
- This third component 16 is electrically connected via connections 18, which are formed in the same way as the connections 13, however on the underside of the first component 8 that is, the second component 14 and the third component 16 are line-connected.
- the electrical supply takes place via the second component 14, which is connected to the corresponding side facing away from the first heat distributor 2 (not shown) has line connections.
- Coil 19 electrically connected to the board 17.
- the coil itself is not on the board 17, but arranged next to it and sitting in one Recess 20 of a second heat distributor 21, which is also in the Housing casing is pressed in and with its entire outer circumference bears against this for the purpose of heat conduction.
- the coil 19 is thermally conductive incorporated into the recess 20 to the resulting there Heat via the heat distributor 21 to the housing jacket and thus deliver the surrounding fluid.
- the coil 19 is an EMC coil.
- the boards 15 and 17 are incorporated into half-shells 22 and 23, respectively and supported, which are made of plastic and incorporating the aforementioned boards a substantially cylindrical inner housing form, but its diameter is slightly smaller than that of the housing shell is, so this section does this smoothly in the case shell can be inserted.
- the brackets 24 visible in the figure are used for earthing since the inner housing is not conductive.
- the half shells 22 and 23 form an inner housing which is connected to the heat distributor 2 on the the stator 1 facing side and with the heat distributor 21 on the forms a plug-in unit facing away from the stator 1, which as Whole is pressed into the housing jacket.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Frames (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
Description
- 1 -
- Stator
- 2 -
- erster Wärmeverteiler
- 3 -
- Ausnehmung
- 4 -
- Querwand
- 5 -
- Längsnut
- 6 -
- Spule
- 7 -
- Anschlüsse für Spule
- 8 -
- erstes Bauteil
- 9 -
- Halbleiterbauelement
- 10 -
- Vergusskörper
- 11 -
- Bohrungen
- 12 -
- Anschlüsse zum Motor
- 13 -
- Anschlüsse zum zweiten Bauteil
- 14 -
- zweites Bauteil
- 15 -
- Platine des zweiten Bauteils
- 16 -
- drittes Bauteil
- 17 -
- Platine des dritten Bauteils
- 18 -
- Anschlüsse zum dritten Bauteil
- 19 -
- Spule
- 20 -
- Ausnehmung
- 21 -
- zweiter Wärmeverteiler
- 22 -
- obere Halbschale
- 23 -
- untere Halbschale
- 24 -
- Bügel
Claims (13)
- Motorbaueinheit für ein Tauchpumpenaggregat mit einem Elektromotor (1) und vorgeschaltetem Frequenzumrichter, die in einem gemeinsamen, im Querschnitt runden Gehäusemantel angeordnet sind, wobei der Frequenzumrichter als Einschub axial fluchtend zum Motor (1) angeordnet ist und mindestens aus einem ersten, den Leistungsteil beinhaltenden Bauteil (8), einem zweiten, mindestens den Zwischenkreis beinhaltenden Bauteil (14) und einem dritten, die Steuerelektronik aufweisenden Bauteil (16) besteht und wobei mindestens das erste Bauteil (8) über einen Wärmeverteiler (2) wärmeleitend mit dem Gehäusemantel verbunden ist, dadurch gekennzeichnet, dass mindestens ein Wärmeverteiler (2, 21) vorgesehen ist, der im Wesentlichen über seinen ganzen Umfang am Gehäusemantel anliegt und dessen Außenkontur im Wesentlichen der Innenkontur des Gehäusemantels entspricht.
- Motorbaueinheit nach Anspruch 1, dadurch gekennzeichnet, dass der Wärmeverteiler (2), der wärmeleitend mit dem ersten Bauteil (8) verbunden ist, am motorseitigen Ende des Frequenzumrichters angeordnet ist.
- Motorbaueinheit nach Anspruch 1, dadurch gekennzeichnet, dass das zweite Bauteil auch den Eingangskreis umfasst.
- Motorbaueinheit nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein weiterer Wärmeverteiler (21) vorgesehen ist, der im Wesentlichen über seinen ganzen Umfang am Gehäusemantel anliegt und dessen Außenkontur im Wesentlichen der Innenkontur des Gehäusemantels entspricht.
- Motorbaueinheit nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Wärmeverteiler (2,21) an voneinander abgewandten Enden des den Frequenzumrichter bildenden Einschubs angeordnet sind.
- Motorbaueinheit nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Wärmeverteiler (2, 21) in den Gehäusemantel eingepresst sind.
- Motorbaueinheit nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der erste Wärmeverteiler (2) eine Querwand (4) aufweist, an der das erste Bauteil (8) wärmeleitend anliegt.
- Motorbaueinheit nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass mindestens ein Wärmeverteiler (2,21) eine axiale Ausnehmung (3, 20) zur Aufnahme einer Spule (6, 19) aufweist.
- Motorbaueinheit nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das zweite Bauteil (14) eine Platine (15) aufweist, die sich in Längsrichtung der Motorbaueinheit erstreckt.
- Motorbaueinheit nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das dritte Bauteil (16) eine Platine (17) aufweist, die sich in Längsrichtung der Motorbaueinheit erstreckt.
- Motorbaueinheit nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Platinen (15, 17) der Steuerelektronik und des Zwischenkreises zwischen den Wärmeverteilern (2, 21) angeordnet sind, vorzugsweise übereinanderliegend.
- Motorbaueinheit nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die elektrischen Anschlüsse (12, 13, 18) des die Leistungselektronik aufweisenden Bauteils (8) durch Blechabschnitte gebildet sind, die durch einen mit dem Bauteil (8) vergossenen Kunststoffkörper (10) gehalten sind, wobei das Bauteil (8) mittels des Kunststoffkörpers (10) am Wärmeverteiler (2) befestigt ist.
- Motorbaueinheit nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das die Leistungselektronik aufweisende Bauteil (8) elektrische Anschlüsse (13, 18) zu dem den Zwischenkreis beinhaltenden Bauteil (14) und zu dem die Steuerelektronik aufweisenden Bauteil (16) aufweist sowie Leitungsanschlüsse (12) zum Motor (1).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10010961A DE10010961A1 (de) | 2000-03-06 | 2000-03-06 | Motorbaueinheit für ein Tauchpumpenaggregat |
DE10010961 | 2000-03-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1132623A2 true EP1132623A2 (de) | 2001-09-12 |
EP1132623A3 EP1132623A3 (de) | 2003-01-02 |
EP1132623B1 EP1132623B1 (de) | 2006-09-06 |
Family
ID=7633759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01104337A Expired - Lifetime EP1132623B1 (de) | 2000-03-06 | 2001-02-23 | Motorbaueinheit für ein Tauchpumpenaggregat |
Country Status (3)
Country | Link |
---|---|
US (1) | US6515386B2 (de) |
EP (1) | EP1132623B1 (de) |
DE (2) | DE10010961A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7091638B2 (en) * | 2004-10-14 | 2006-08-15 | Pentair Pump Group, Inc. | Modular end bell construction for a submersible motor unit |
CN100428574C (zh) * | 2006-03-14 | 2008-10-22 | 赵锡寰 | 井用潜没式电动机的电气串接结构 |
DE102009016306A1 (de) | 2009-04-06 | 2010-10-21 | Institut für Luft- und Kältetechnik gemeinnützige Gesellschaft mbH | Energieversorgungssystem und Verfahren zur Energienutzung durch dieses System |
US8760089B2 (en) * | 2009-11-30 | 2014-06-24 | Franklin Electric Company, Inc. | Variable speed drive system |
US8664903B2 (en) | 2011-06-27 | 2014-03-04 | Franklin Electric Company, Inc. | Adaptive flux control drive |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3820005C1 (de) | 1988-06-11 | 1989-10-05 | Grundfos International A/S, Bjerringbro, Dk | |
EP0346730B1 (de) | 1988-06-11 | 1992-08-19 | Grundfos International A/S | Tauchpumpenaggregat |
DE19727202A1 (de) | 1997-06-26 | 1999-01-28 | Grundfos As | Tauchmotoreinheit |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3642727A1 (de) * | 1986-12-13 | 1988-06-23 | Grundfos Int | Unterwasser-motorpumpe |
DE3642729C3 (de) * | 1986-12-13 | 1997-05-07 | Grundfos Int | Pumpenaggregat zur Förderung von Flüssigkeiten oder Gasen |
DE4222394C1 (de) * | 1992-07-08 | 1993-12-09 | Grundfos A S Bjerringbro | Motorpumpe |
DE19511114C1 (de) * | 1995-03-25 | 1996-08-29 | Grundfos As | Elektromotor |
DE19639098A1 (de) * | 1996-09-24 | 1998-03-26 | Wilo Gmbh | Motorpumpe mit gekühltem Frequenzumformer |
JPH10238491A (ja) * | 1997-02-26 | 1998-09-08 | Nikkiso Co Ltd | キャンドモータポンプ |
-
2000
- 2000-03-06 DE DE10010961A patent/DE10010961A1/de not_active Ceased
-
2001
- 2001-02-23 DE DE50110911T patent/DE50110911D1/de not_active Expired - Lifetime
- 2001-02-23 EP EP01104337A patent/EP1132623B1/de not_active Expired - Lifetime
- 2001-03-05 US US09/799,434 patent/US6515386B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3820005C1 (de) | 1988-06-11 | 1989-10-05 | Grundfos International A/S, Bjerringbro, Dk | |
EP0346730B1 (de) | 1988-06-11 | 1992-08-19 | Grundfos International A/S | Tauchpumpenaggregat |
DE19727202A1 (de) | 1997-06-26 | 1999-01-28 | Grundfos As | Tauchmotoreinheit |
Also Published As
Publication number | Publication date |
---|---|
DE50110911D1 (de) | 2006-10-19 |
EP1132623B1 (de) | 2006-09-06 |
US20010033114A1 (en) | 2001-10-25 |
DE10010961A1 (de) | 2001-09-20 |
US6515386B2 (en) | 2003-02-04 |
EP1132623A3 (de) | 2003-01-02 |
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