EP1134419A2 - Pompe centrifugale avec unité électronique refroidie - Google Patents

Pompe centrifugale avec unité électronique refroidie Download PDF

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Publication number
EP1134419A2
EP1134419A2 EP01106106A EP01106106A EP1134419A2 EP 1134419 A2 EP1134419 A2 EP 1134419A2 EP 01106106 A EP01106106 A EP 01106106A EP 01106106 A EP01106106 A EP 01106106A EP 1134419 A2 EP1134419 A2 EP 1134419A2
Authority
EP
European Patent Office
Prior art keywords
centrifugal pump
electronics unit
profile
pump according
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
Application number
EP01106106A
Other languages
German (de)
English (en)
Other versions
EP1134419A3 (fr
EP1134419B1 (fr
Inventor
Stephan Schreckenberg
Waldemar Stephan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wilo SE
Original Assignee
Wilo GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wilo GmbH filed Critical Wilo GmbH
Publication of EP1134419A2 publication Critical patent/EP1134419A2/fr
Publication of EP1134419A3 publication Critical patent/EP1134419A3/fr
Application granted granted Critical
Publication of EP1134419B1 publication Critical patent/EP1134419B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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 centrifugal pump driven by an electric motor is that of an on the end facing away from the pump chamber of the electric motor arranged electronics unit is controlled, the Electric motor has at least one delivery channel through which the funded Liquid for cooling the electronics unit from the pump chamber to the electronics unit is guided.
  • Such a pump is for example from the German published application DE 196 24 145 known.
  • This pump has one surrounding the motor Outer jacket, which is flowed through by the liquid for cooling.
  • the liquid flows through the outer jacket to the engine compartment and the metal casing cover, which closes the outer casing and which its outer edge lies against the cooling outer jacket.
  • the housing cover separates the electronics unit from the outer jacket and forms a heat sink for releasing those generated by electronic components Heat to the fluid in the outer jacket.
  • the object of the invention is therefore a structurally simple, inexpensive Centrifugal pump of the type mentioned which can be manufactured and is easy to handle Art to create, which has small external dimensions and an optimal Cooling of all components of the electronics unit guaranteed.
  • the electric motor has at least two delivery channels has that of different pressure ranges of the pump on the one hand as a high-pressure delivery channel and on the other hand as a low-pressure delivery channel Electronics unit are guided, and that at least one cooling channel through the Electronics unit is passed, which to the two feed channels is connected that the liquid led to the electronics unit Flows through electronics unit.
  • the main advantage here is that the coolant not only up to the electronics unit is brought up, but that it is through the electronics unit flows through. In this way, additional areas for Heat transfer from electronic components to the cooling duct or to those in it flowing coolant created.
  • the two delivery channels can be outside or inside the housing of the Electric motor can be arranged, both being a smaller one in both cases Space requirements as well as a lower weight than with an electric motor completely surrounding outer jacket is reached. They range from Areas where the pumped liquid is in operation has different pressure, for example directly on the pump chamber or may lie on the intake and discharge ports. In this way is a continuous exchange of the cooling liquid and thus one high cooling effectiveness guaranteed.
  • the pump according to the invention is easy to handle with a simple construction and inexpensive to manufacture.
  • the cooling duct has a flat cooling gap is formed, since this is a particularly large and particularly with boards suitable surface for heat transfer is available.
  • the cooling gap has a rectangular cross section having.
  • several small cooling channels in one plane, in particular parallel to each other arranged and each with both the high-pressure delivery channel and the Low pressure delivery channel are connected. It is also possible in the electronics unit several cooling channels in different directions and / or in different Arrange levels.
  • the Electronics unit has at least one circuit board with electrical components, which is arranged such that the axis of the electric motor is at least approximately runs in the plane of the board or in a plane parallel to it.
  • the board can be so narrow in the required longitudinal extent be carried out that the electronics unit or that surrounding the electronics unit Housing does not protrude laterally over the housing of the electric motor.
  • a particularly good cooling performance can be achieved in that the Cooling gap runs parallel to the circuit board at a short distance.
  • the electronics unit has two boards, which are parallel to each other on the two side surfaces of the cooling border the gap. In this way, with high cooling effectiveness Size, in particular the length of the electronics unit further reduced become.
  • the board of the arrangement described above is shown in. divided into two halves, each correspondingly smaller than the original one Overall board are.
  • the motor housing and the housing of the electronics unit through a continuous round or polygonal continuous casting profile, within which at least two in Profile channels extending in the longitudinal direction are designed as delivery channels are connected to the pump chamber.
  • a continuous casting profile can be particularly inexpensive by extrusion or extrusion be made of light metal.
  • the motor housing is replaced by a rectangular, preferably square continuous profile is formed, in the Corners each formed a profile channel extending in the longitudinal direction is.
  • each formed a profile channel extending in the longitudinal direction is.
  • a rectangular one Continuous casting profile combines the advantages of a particularly simple way compact and small design with integrated delivery channels.
  • a particularly preferred continuous casting profile has at least essentially one square outer wall with a round one contained therein Inner wall, the inner wall in the middle area is formed in the four side walls of the outer wall that in the a profile channel is formed at four corners.
  • connections between two adjacent profile channels can particularly easy through recesses or interruptions in the inner, in particular round-shaped wall area of the continuous casting profile be educated. Such recesses or interruptions can be particularly easy in the inner areas of the side walls be milled in.
  • the cooling channel is transverse to one side opposite side of a collar that extends to the one Continuous casting profile or the housing of the electronics unit at the end Lid is formed and so in the interior of the Extends into the housing that it seals on the inner walls and with the ends of the cooling channel at the recesses or breaks rests in the inner wall area of the continuous casting profile.
  • the centrifugal pump 1 shown in FIG. 1 is driven by an electric motor 2 driven, the one facing away from the pump chamber 3 Front end of the electric motor arranged electronics unit 4 is controlled.
  • the Centrifugal pump 1 has a pump housing 5 in the form of a spiral housing a central intake 6 and a tangentially extending Pressure port 8 on.
  • the electric motor 2 is designed here as a dry-running motor, the rotor 9 and the stator 10 by a motor shaft carrying the pump impeller 11 12 penetrated first transverse wall 13 separated from the pump housing 5 is.
  • the transverse wall 13 is not present, so that the rotor 9 and the stator 10 through a free area of the pump housing 5 is separated.
  • the motor housing 14 is formed by an extruded profile 15, which in cross section an essentially square-shaped outer wall 16 with a contained therein circular-shaped inner wall 17, which in the middle areas 18 of the four side walls of the continuous casting profile 15 to the square outer wall 16 is formed. This is in the four corners of the continuous casting profile 15 between the outer wall 16 and the inner wall 17 each have a longitudinally extending profile channel 19.
  • the pump housing 5 At the end facing the electric motor 2 is the pump housing 5 with a coaxially projecting collar 20 with a recessed therein Sealing ring 21 into the continuous casting section 15 forming the motor housing 14 used.
  • the continuous casting profile 15 On the other end of the electric motor 2 is the continuous casting profile 15 to a housing 22 accommodating the electronics unit 4 extended.
  • the housing 22 for the electronics unit 4 is at its free End closed by a cover 23 which has a coaxial collar 24 has a sealing ring 25 in a sealed manner on the inside the round inner wall 17 abuts.
  • Below the collar 24 is a second one Transverse wall 26 inserted into the continuous casting section 15, which the electric motor 2nd separates from the electronics unit 4.
  • the Cross wall 26 does not exist, so that the electric motor 2 by a free Area is separated from the electronics unit 4.
  • the housing 22 for the Electronics unit 4 is thus in one piece and with the same external dimensions designed as the motor housing 14.
  • the four edges of the outer wall 16 of the continuous casting profile 15 are beveled, to each be able to accommodate a tie rod 7, which the entire device from the pump housing 5 to which the electronics unit final cover 23 holds together under tension.
  • a motor axis 27 containing and web 28 extending transversely along a diameter formed, which is plate-shaped over the entire longitudinal extent of the Electronics unit 4 extends.
  • a motor axis 27 containing and web 28 extending transversely along a diameter formed, which is plate-shaped over the entire longitudinal extent of the Electronics unit 4 extends.
  • the cooling channel 30 runs along the Diameter of the collar 24 and opens at both ends in the outer Shell surface of the collar 24.
  • the cooling channel 30 has almost the same thickness as the web 28 so that the wall areas separating it from the boards 29 of the Web 28 are only very thin. This way is a special one good heat transfer from the components arranged on the circuit boards to the guaranteed by the cooling channel 30 flowing cooling liquid.
  • the cooling duct 30 extends in the axial direction or in the longitudinal direction at least over the areas of the boards 29, the heat-generating components contain.
  • the cover 23 and thus also the web 28 is made just like that Continuous casting profile 15 made of aluminum, so that a particularly good thermal conductivity given is.
  • the lid 23 has a central opening through a plastic sprue 31 or is sealed by a sealing compound.
  • a sealing compound 31 In the sealing compound 31 is a connector 32 with contacts 33 for connection the electronics unit 4 cast.
  • the contacts 33 are with the on two boards 29 arranged components through which the plastic gate 31 electrically connected through.
  • Both in the area of the first transverse wall 13 and the collar 20 of the pump housing 5 and over the entire axial extent of the collar 24 of the Cover 23 are the two profile channels 19a each by an interruption 34a of the inner wall 17 connected to one another transversely.
  • an interruption 34b of the inner wall 17 is connected transversely to one another.
  • the interruptions 34a, 34b can be carried out in a particularly simple manner Milling away a narrow extending parallel to the outer wall 16 Area of the inner wall 17 can be obtained.
  • At both ends of the Profile channels 19a, 19b form the interruptions 34a, 34b collecting spaces, through the liquid from a profile channel 19a or 19b to the associated one second profile channel 19a or 19b can flow.
  • the cooling channel 30 opens into a respective one on both sides Interruption 34a or 34b forming a collecting space.
  • the pump housing 5 has two different pressure ranges Pump chamber 3 outgoing connecting channels 35a and 35b, which in the Interruptions 34a and 34b arranged on the pump housing 5 open out.
  • the connecting channel 35a extends from an area higher Pressure of the pump chamber 3 up to the break 34a, whereas the connection channel 35b from an area of the pump chamber 3 with less Pressure extends to the break 34b.
  • the two profile channels 19a together with the connecting channel 35a serve as a high-pressure delivery channel
  • the two profile channels 19b together with the connecting channel 35b function as a low-pressure delivery channel.
  • a small proportion of the delivered liquid flows as cooling liquid to the interruption 34a arranged on the electronics unit 4, from there through the cooling channel 30 into the opposite interruption 34b and then through the low-pressure delivery channel 19b, 35b back into the pump chamber 3 to flow back.
  • This cooling water flow which flows continuously when the centrifugal pump 1 is in operation, optimally cools the electronics unit 4 and causes only very low losses in efficiency.

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)
EP01106106A 2000-03-17 2001-03-13 Pompe centrifugale avec unité électronique refroidie Expired - Lifetime EP1134419B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10013042A DE10013042A1 (de) 2000-03-17 2000-03-17 Kreiselpumpe mit gekühlter Elektronikeinheit
DE10013042 2000-03-17

Publications (3)

Publication Number Publication Date
EP1134419A2 true EP1134419A2 (fr) 2001-09-19
EP1134419A3 EP1134419A3 (fr) 2002-10-09
EP1134419B1 EP1134419B1 (fr) 2006-12-20

Family

ID=7635112

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01106106A Expired - Lifetime EP1134419B1 (fr) 2000-03-17 2001-03-13 Pompe centrifugale avec unité électronique refroidie

Country Status (2)

Country Link
EP (1) EP1134419B1 (fr)
DE (2) DE10013042A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1217217A1 (fr) * 2000-12-22 2002-06-26 Grundfos a/s Installation d'alimentation d'eau
DE10214307A1 (de) * 2002-03-28 2003-10-23 Nash Elmo Ind Gmbh Verdichtereinheit
DE10301613A1 (de) * 2003-01-17 2004-07-29 Pierburg Gmbh Motor-Pumpeneinheit
WO2007146882A1 (fr) * 2006-06-12 2007-12-21 Mag Aerospace Industries, Inc. Pompe à vide régénérative pour avion et autres véhicules
DE102006032356B3 (de) * 2006-07-13 2008-04-10 Diehl Ako Stiftung & Co. Kg Antriebsvorrichtung für eine Waschmaschine
WO2009015956A1 (fr) * 2007-08-02 2009-02-05 Continental Automotive Gmbh Pompe à liquide
CN110094342A (zh) * 2019-06-18 2019-08-06 苏州玲珑汽车科技有限公司 基于冷却循环水路的汽车电子水泵及汽车

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7155916B2 (en) * 2003-09-30 2007-01-02 General Motors Corporation Supply unit cooling
DE102009029622A1 (de) 2009-09-21 2011-03-24 Robert Bosch Gmbh Förderpumpe für ein Kraftstoffeinspritzsystem einer Brennkraftmaschine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19624145A1 (de) 1996-06-18 1998-01-08 Wilo Gmbh Elektromotor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3609311A1 (de) * 1986-03-20 1987-10-01 Homa Pumpenfabrik Gmbh Kreiselpumpe
DE3820003A1 (de) * 1988-06-11 1989-12-21 Grundfos Int Tauchpumpenaggregat
JPH05187385A (ja) * 1992-01-09 1993-07-27 Mitsubishi Electric Corp 電動ポンプ
DE4327735A1 (de) * 1993-08-18 1995-02-23 Grundfos As Vorrichtung zum Liefern von Flüssigkeit
JP3077490B2 (ja) * 1993-12-28 2000-08-14 株式会社荏原製作所 ポンプ組立体
DE19545561A1 (de) * 1995-12-07 1997-06-12 Pierburg Ag Pumpe-Motoreinheit
US5997261A (en) * 1997-10-31 1999-12-07 Siemens Canada Limited Pump motor having fluid cooling system
US5949171A (en) * 1998-06-19 1999-09-07 Siemens Canada Limited Divisible lamination brushless pump-motor having fluid cooling system
DE19842169A1 (de) * 1998-09-15 2000-03-16 Wilo Gmbh Rohrpumpe

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19624145A1 (de) 1996-06-18 1998-01-08 Wilo Gmbh Elektromotor

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1217217A1 (fr) * 2000-12-22 2002-06-26 Grundfos a/s Installation d'alimentation d'eau
DE10214307A1 (de) * 2002-03-28 2003-10-23 Nash Elmo Ind Gmbh Verdichtereinheit
DE10301613A1 (de) * 2003-01-17 2004-07-29 Pierburg Gmbh Motor-Pumpeneinheit
DE10301613B4 (de) * 2003-01-17 2006-08-31 Pierburg Gmbh Motor-Pumpeneinheit
WO2007146882A1 (fr) * 2006-06-12 2007-12-21 Mag Aerospace Industries, Inc. Pompe à vide régénérative pour avion et autres véhicules
DE102006032356B3 (de) * 2006-07-13 2008-04-10 Diehl Ako Stiftung & Co. Kg Antriebsvorrichtung für eine Waschmaschine
US7741741B2 (en) 2006-07-13 2010-06-22 Dielh AKO Stiftung & Co. KG Drive apparatus for a washing machine
WO2009015956A1 (fr) * 2007-08-02 2009-02-05 Continental Automotive Gmbh Pompe à liquide
JP2010535304A (ja) * 2007-08-02 2010-11-18 コンチネンタル オートモーティヴ ゲゼルシャフト ミット ベシュレンクテル ハフツング 液体ポンプ
CN110094342A (zh) * 2019-06-18 2019-08-06 苏州玲珑汽车科技有限公司 基于冷却循环水路的汽车电子水泵及汽车

Also Published As

Publication number Publication date
EP1134419A3 (fr) 2002-10-09
EP1134419B1 (fr) 2006-12-20
DE50111661D1 (de) 2007-02-01
DE10013042A1 (de) 2001-09-20

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