EP3253969A1 - Ventilateur à électronique extérieure - Google Patents

Ventilateur à électronique extérieure

Info

Publication number
EP3253969A1
EP3253969A1 EP16739481.6A EP16739481A EP3253969A1 EP 3253969 A1 EP3253969 A1 EP 3253969A1 EP 16739481 A EP16739481 A EP 16739481A EP 3253969 A1 EP3253969 A1 EP 3253969A1
Authority
EP
European Patent Office
Prior art keywords
electronics
housing
fan
stator
axial
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.)
Pending
Application number
EP16739481.6A
Other languages
German (de)
English (en)
Inventor
Malte Pils
Thomas Heli
Peter Riegler
Jörg GÜNTHER
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.)
Ebm Papst Mulfingen GmbH and Co KG
Original Assignee
Ebm Papst Mulfingen GmbH and Co KG
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 Ebm Papst Mulfingen GmbH and Co KG filed Critical Ebm Papst Mulfingen GmbH and Co KG
Publication of EP3253969A1 publication Critical patent/EP3253969A1/fr
Pending legal-status Critical Current

Links

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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/068—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
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/082—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provision for cooling the motor
    • 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
    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/626—Mounting or removal of fans
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information

Definitions

  • the invention relates to a fan and a motor accommodated therein with a stator and a rotor which is connected to a fan wheel, wherein the fan housing is formed from at least one upper housing part and a lower housing part.
  • a motor with integrated motor control electronics is usually used.
  • the engine control electronics are regularly housed in an electronics housing, which connects directly to the engine body. It is disadvantageous that an exchange of engine control electronics in case of service due to their inaccessibility is not possible or only with great installation effort.
  • the electronics housing is formed sealed at a direct connection between the engine and motor control electronics, since it is located within the funded by the fan medium. The possibility of cooling the engine control electronics is thus severely limited. Furthermore, a construction of the motor with motor control electronics connected thereto and accommodated in an electronics housing leads to an increased axial space requirement within the fan housing.
  • the invention is therefore an object of the invention to provide a fan for the integration of engine and engine electronics in the
  • Fan housing has a smaller axial space requirement and provides accessibility to replace the electronics in the service needs.
  • a fan is proposed for this purpose, which is formed from at least one upper housing part and a lower housing part
  • Fan housing and a motor accommodated therein with a stator and a rotor which is connected to a fan wheel comprises.
  • Housing upper part further has an axial opening, at the to the
  • the motor is in particular an electronically commutated external rotor motor with a plastic-pressed stator located in the interior of the stator
  • Fan housing is located within the medium to be pumped and the fan wheel drives.
  • the electronics are preferably applied to a printed circuit board which extends perpendicular to the axial direction.
  • stator and the electronics are connected to the stator
  • Housing bottom has. Although the wall of the upper housing part separates the electronics from the stator, it is in the
  • Housing top provided an immediate connection to the stator.
  • the electronics is a motor control electronics for electronically commutated drive of the motor or a unit of motor control electronics with adjacently arranged electronics for supplying external consumers.
  • the electronics for supplying external consumers includes functions for operating an external consumer, in particular an output for supplying power to an external consumer and an input for communication with the external consumer.
  • the possibility of connecting the electronics to supply other external consumers is made possible by attaching the electronics axially on the outside of the housing upper part and the associated accessibility from the outside.
  • the Housing upper part forms a part of the electronics housing and thus can be dispensed with an additionally provided electronics housing.
  • the axial space requirement for the electronics housing is saved, since it is partially provided by the upper housing part itself.
  • an embodiment is advantageous in which the motor control electronics contacted by the axial opening of the upper housing part without a lead to the stator and is detachably connected to the stator.
  • the direct and, for example via contact pins conduction-free contacting of the motor control electronics to the stator has the advantage that the winding heating can be detected directly on sensors on the electronics and the Entisaufwand is reduced, since no additional connecting lines are required.
  • the stator has a connecting ring, by means of which it can be fastened axially and / or radially against a peripheral edge of the axial opening.
  • the contacting between the stator arranged on the inside to the housing upper part and the electronics arranged on the outside to the housing upper part can thus take place via the axial opening, while the stator is mounted on the peripheral edge of the axial opening via the connecting ring.
  • the connecting ring has a peripheral step, which constitutes an axial abutment surface and a radial abutment surface for abutment with the edge of the axial opening. Furthermore, a bearing surface is formed parallel to the radial extent of the axial opening, on which the electronics can be fastened directly.
  • the support surface extends on the connecting ring, preferably radially inwardly to the stage. The support surface is conveniently flat, so that the electronics applied to the printed circuit board can be arranged in parallel.
  • the study Fe preferably formed such that the bearing surface of the connecting ring is flush with a radially adjoining surface of the upper housing part.
  • connection ring offer the possibility of attaching the connection ring to the peripheral edge of the axial opening, so that the axial contact surface lies axially on the inside of the wall of the upper housing part and the radial contact surface on the inside of the wall of the axial opening of the upper housing part.
  • the connecting ring with the stator connected thereto projects in this embodiment in sections into the axial opening.
  • the invention is in a further advantageous embodiment, characterized in that the housing upper part has a cup-like in the axial direction inwardly recessed central portion, within which the axial opening provided and the electronics is arranged.
  • the countersunk central portion is provided substantially centrally in the upper housing part, wherein the shape of the fan housing in the radially adjoining outer peripheral region can be arbitrarily adapted to the fluidic requirements, for example spirally.
  • the electronics are received in the axial and radial direction completely in the recessed central portion, so that the upper housing part form both the bottom surface and the side walls of the electronics housing. This protects the electronics and does not protrude axially from the fan housing.
  • a plate is preferably arranged on the upper housing part, which is dimensioned such that it covers at least the recessed central portion.
  • the plate forms as a kind of cover together with the upper housing part of the electronics completely enclosing electronics housing.
  • the plate has an at least partially axially in the direction of the electronics.
  • the plate has ventilation openings. The ventilation openings are preferably distributed in the circumferential direction provided on the outer edge of the plate.
  • a preferred size ratio of the diameter B of the plate to the diameter D of the circuit board is set to B / D> 1.5.
  • the plate preferably extends in the radial direction beyond the recessed central portion.
  • the plate is preferably formed of metal.
  • the fan housing is for example made of die-cast or plastic.
  • a seal is arranged between the stator and the housing upper part, which sealingly seals the electronics with respect to a medium conveyed within the ventilator housing. The electronics thus has no contact with the pumped medium of the fan. It is also advantageous if the upper housing part is integrally formed and
  • Upper housing part and lower housing part can be fastened to one another via a tongue and groove connection. Also between the upper housing part and
  • Housing base is preferably in the region of the tongue and groove connection Seal provided.
  • the maximum diameter D of the circuit board is greater than the maximum diameter d of the connection ring, so that sufficient space for the plurality of electronic component is made available. This is made possible by the arrangement of the electronics outside of the housing upper part and thus outside of the entire
  • FIG. 1 is a side sectional view of a fan according to the invention
  • Fig. 2 is a side exploded view of the fan of Fig. 1;
  • Fig. 3 is an exploded perspective view of the fan
  • Fig. 4 is a further exploded perspective view of the fan of Fig. 1;
  • Fig. 5 is an enlarged view of the connection ring. Like reference numerals designate like parts throughout the views.
  • FIG. 1 shows an embodiment of a fan 1 according to the invention is shown in a side sectional view.
  • Figures 2 to 4 show the same embodiment in exploded views from different angles. The following description applies to all figures.
  • FIG. 1 - 4 shows a fan 1 with a fan housing 2 formed from a one-piece housing upper part 7 and a one-piece housing lower part 8 and a motor 3 received therein with a stator 4 and a rotor 5 which is connected to the fan wheel 6.
  • the upper housing part 7 has an axial opening 9, at the axial inner side facing the lower housing part 8, the stator 4 and at its axial outer side at least one mounted on a circuit board 22 unit 20 of motor control electronics with adjacently arranged electronics for supplying one or more external consumers is arranged.
  • Housing upper part 7 is built on both axial sides, on the one hand with the stator 4, on the other hand with the circuit board 22.
  • the fan housing 2 is spiral-shaped and forms the pressure space around the inside of the fan housing
  • the motor 3 is an external rotor synchronous motor with a plastic-pressed stator 4, which is embraced by the rotor 5 on the outside. On the rotor 5, the fan wheel 6 is arranged and is driven by the motor 3.
  • the motor 3 extends in the axial direction substantially over the entire axial length of the fan housing 2 in the direction of a suction region of the fan 1.
  • the motor control electronics is contacted by the axial opening 9 of the upper housing part 7 without wires to the stator 4 via contact pins 30 and is detachably connected to the stator 4, so that the circuit board 22 is interchangeable.
  • connection ring 1 1 is provided, via which the stator 4 is axially and radially attached to the peripheral edge 10 of the axial opening 9 fitting.
  • the connecting ring 11 has a step 12 radially on the outside of the stator 4, so that the connecting ring 11 has an axial abutment surface 13 for axial abutment with the edge 10 of the stator
  • the connecting ring 1 1 comprises a bearing surface 15 parallel to the axial opening 9 and flush with the axially adjacent to the axial opening 9 portion of the upper housing part 7, on which the circuit board 22 is fastened by means of screws.
  • the axial opening 9 is centrally provided.
  • the circuit board 22 is inserted with the unit 20 arranged thereon of a plurality of electronics, so that it is completely enclosed by the depressed central portion 16 in the axial and radial directions.
  • the bottom and the walls of the recessed central portion 16 form part of the electronics housing for receiving the printed circuit board 22 with the unit 20 of the electronics.
  • the electronics housing is closed with the metallic plate 17 which is fastened to the housing upper part 7 by means of screws and completely covers the countersunk central section 16 and consequently the electronics.
  • Integrally formed on the plate 17 is an axially impressed contour 22 in the direction of the printed circuit board 22, which is thermally coupled to the unit 20 of the electronics in order to dissipate heat.
  • the contour 18 has a substantially elliptical cross-section on the plate 17 and extends conically in the axial direction from two sides, so that its cross-sectional area in the direction of the printed circuit board 22 is reduced.
  • ventilation openings 19 are provided to allow air circulation along the unit 20 of the electronics and air exchange with ambient air.
  • the ventilation openings 19 may alternatively be provided distributed on the plate 17.
  • the upper housing part 7 is fixed directly and sealed by a sealing ring on the lower housing part 8.
  • Housing top 7 is also a seal 21 arranged so that the unit 20 of the electronics with respect to the inside of the fan housing. 2 funded medium is separated.
  • the size ratio shown in the embodiment of the diameter B of the plate 17 relative to the diameter D of the printed circuit board 22 amounts to a value of 1, 9.
  • the diameter D of the circuit board 22 is also greater by a factor of 1, 1 than the maximum diameter d of the connection ring 1 first
  • the invention is not limited in its execution to the above-mentioned preferred embodiments. Rather, a number of variants is conceivable, which makes use of the illustrated solution even with fundamentally different types of use.
  • a plurality of axially inwardly extending contours can be provided on the plate.
  • other forms of fan housing than the spiral shape shown are possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

L'invention concerne un ventilateur comprenant un carter abritant un moteur pourvu d'un stator et d'un rotor raccordé à la roue de ventilateur, ledit carter étant constitué d'au moins une partie supérieure et d'une partie inférieure, la partie supérieure présentant une ouverture axiale. Le stator est placé sur le côté intérieur axial, orienté vers la partie inférieure, de l'ouverture axiale et au moins une électronique est placée sur le côté extérieur axial de l'ouverture axiale.
EP16739481.6A 2015-07-24 2016-07-18 Ventilateur à électronique extérieure Pending EP3253969A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015112106.9A DE102015112106A1 (de) 2015-07-24 2015-07-24 Ventilator mit Außenelektronik
PCT/EP2016/067016 WO2017016912A1 (fr) 2015-07-24 2016-07-18 Ventilateur à électronique extérieure

Publications (1)

Publication Number Publication Date
EP3253969A1 true EP3253969A1 (fr) 2017-12-13

Family

ID=55430883

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16739481.6A Pending EP3253969A1 (fr) 2015-07-24 2016-07-18 Ventilateur à électronique extérieure

Country Status (5)

Country Link
US (1) US10570918B2 (fr)
EP (1) EP3253969A1 (fr)
CN (1) CN205078469U (fr)
DE (1) DE102015112106A1 (fr)
WO (1) WO2017016912A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108730218B (zh) * 2018-06-04 2020-02-04 彭希南 一种全自动变频调速换气扇

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5523711A (en) * 1978-07-29 1980-02-20 Sony Corp Rotary electric machine
AT912U1 (de) * 1995-07-27 1996-07-25 Balzer Luefter Gmbh Lüfter mit austauschbarem funktionsbaustein, insbesonders elektrischem steuerbaustein
JPH10271789A (ja) * 1997-03-19 1998-10-09 Zexel Corp ブラシレスモータ
US6297572B1 (en) 1999-08-24 2001-10-02 Calsonic Kansei Corporation Brushless motor
US6488475B2 (en) * 2000-03-30 2002-12-03 Matsushita Electric Industrial Co., Ltd. Electric blower and electric cleaner with an air cooled power device situated between the impeller and motor
JP4002064B2 (ja) * 2000-12-18 2007-10-31 カルソニックカンセイ株式会社 ブラシレスモータ
DE10063619B4 (de) * 2000-12-20 2010-02-18 Trw Automotive Electronics & Components Gmbh & Co. Kg Antriebseinheit für Gebläse in Fahrzeugen
JP2003172300A (ja) * 2001-12-03 2003-06-20 Japan Servo Co Ltd 軸流ファン
FR2856852B1 (fr) * 2003-06-27 2006-09-29 Asmo Co Ltd Ensemble moteur pour climatiseur pour vehicules
DE102010012392A1 (de) 2010-03-22 2011-09-22 Ebm-Papst Mulfingen Gmbh & Co. Kg Ventilator

Also Published As

Publication number Publication date
US10570918B2 (en) 2020-02-25
DE102015112106A1 (de) 2017-01-26
WO2017016912A1 (fr) 2017-02-02
US20180128285A1 (en) 2018-05-10
CN205078469U (zh) 2016-03-09

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