EP2420657B1 - Soufflante d'air frais - Google Patents

Soufflante d'air frais Download PDF

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Publication number
EP2420657B1
EP2420657B1 EP11167072.5A EP11167072A EP2420657B1 EP 2420657 B1 EP2420657 B1 EP 2420657B1 EP 11167072 A EP11167072 A EP 11167072A EP 2420657 B1 EP2420657 B1 EP 2420657B1
Authority
EP
European Patent Office
Prior art keywords
fan
cooling
cooling element
air blower
fins
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.)
Not-in-force
Application number
EP11167072.5A
Other languages
German (de)
English (en)
Other versions
EP2420657A1 (fr
Inventor
Thomas Bielesch
Marc Kielmann
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.)
Mahle Behr GmbH and Co KG
Original Assignee
Mahle Behr 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 Mahle Behr GmbH and Co KG filed Critical Mahle Behr GmbH and Co KG
Publication of EP2420657A1 publication Critical patent/EP2420657A1/fr
Application granted granted Critical
Publication of EP2420657B1 publication Critical patent/EP2420657B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P1/00—Air cooling
    • F01P1/06—Arrangements for cooling other engine or machine parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2050/00—Applications
    • F01P2050/30—Circuit boards

Definitions

  • the present invention relates to a cooling air blower with at least one fan with fan blades, which are movable in a range of rotation.
  • fans are often used for cooling a motor.
  • PWM pulse width modulation
  • the cooling of the regulator is also required, which takes place by means of the cooling air flow of the electric fan to be controlled.
  • the heat sink of such a regulator is placed so far directly in the air flow of the fan.
  • the present invention is based on the recognition that in a conventional cooling air blower usually a certain space between the fan and the fan bracket is not used. These are usually a corner area between the rotating area of the fan blades and a corner of the fan bracket. If now the cooling element designed accordingly, in particular in the above-mentioned form, this previously unused space can now be used by installing the cooling element, so that it is possible to realize a compact form of the cooling air blower.
  • the present invention has the advantage that now compared to previous cooling air blowers, a lower height of these components can be achieved. At the same time, however, an efficient cooling can be ensured since the cooling fins can protrude into the air flow, which is caused by the fan blades during operation of the fan. In this way, a reliable cooling of the controller for the fan is ensured.
  • the cooling fins may be arcuate, in particular have the shape of a circular segment and / or the cooling fins seen from the frame to be concave bent.
  • Such an embodiment of the present invention has the advantage that the longest possible path of the air can be realized by the cooling fins, so that as well as possible a cooling effect of the regulator is ensured by the cooling element.
  • the cooling element has a separating web which extends substantially perpendicular to the cooling ribs and to the cooling element plate and which connects the cooling ribs to one another.
  • a separating web which extends substantially perpendicular to the cooling ribs and to the cooling element plate and which connects the cooling ribs to one another.
  • a further region between the cooling fins may be oriented in a rotation range of fan blades of the second fan.
  • Another advantage of the embodiments of the present invention can be seen in the fact that when installed between two fans, a barrier between the two fans can be formed to prevent interference of the air flows of the single fans against each other and the cooling in case of failure of an electric fan to ensure the regulator by the still functioning fan.
  • a short cable connection between the respective controllers and the electric fan motor (s) to be controlled can be realized, which is advantageous in terms of EMC aspects.
  • controllers are used for speed control, which can be integrated in the still free space in the bottom of a fan cowl. Cooling elements for these regulators were identified in a kind of "triangular shape" as an optimal design.
  • the basic arrangement of components of a fan is in accordance with the illustration Fig.1 played.
  • a cooling fan 100 in the form of a dual fan is shown, in which a first electric fan 110 is shown on the left side and a second electric fan 120 on the right side, both of which are fixed or held by a common fan support 130.
  • a partition wall 140 is provided, for example made of plastic, which may be part of the fan bracket 130.
  • cooling element 200 around a cooling element with a barrier, that is, a divider to guide air on the left side of the cooling element 200 through the cooling fins to the first fan 110 and / or on the right side of the cooling element 200 through the cooling fins to the second fan 120 ,
  • Fig. 4 shows two embodiments of a cooling element 200 and a corresponding heat sink for the one or more regulators of the fans 110 and 120.
  • a base plate or cooling element plate is used, which has a modified triangular shape as a basic shape.
  • the shape of the cooling fins 400 is adapted to the directions of the air flows in the dual fan module. Such an air flow during operation of the cooling air blower 100 and the arrangement of the cooling element 200 according to the Fig. 2 is in the Fig.
  • a barrier 410 acts as additional cooling rib and as inner web.
  • the cooling fins 400 may be configured arcuate, for example in the form of a circular arc segment.
  • the cooling element is advantageously installed in the cooling air blower such that the cooling fins appear to be concavely bent by the outer wall of the fan support 130.
  • the cooling fins 400 extend substantially vertically from a cooling element plate 420, wherein this cooling element plate 420 can also be referred to as a heat sink.
  • FIG. 6 are different representations of a cooling element 200 for a dual-controller, reproduced here with increased barrier (divider), stating different dimensions.
  • the upper diagram shows a plan view of such a cooling element 200.
  • the base of the triangular shape can be, for example, 120 millimeters wide and the height of the triangular shape can be, for example, 80 millimeters.
  • the side cut surface at which the corners of the triangle are cut may be 20 millimeters, with the width of the cut edge at which the lower corner of the triangle has been cut off being 30 millimeters.
  • the lower left diagram shows a cross-sectional view of the cooling element described above.
  • Fig. 7 shows one too Fig. 6
  • the cooling element 200 has a simple barrier 410 whose height does not extend beyond the height of the cooling fins 400, as seen from the direction of the cooling element plate 420.
  • this barrier 410 (ie the cooling rib designed as a separating web) can be attributed to the heat sink.
  • a non-inventive example is in the illustrations of the Fig. 8 reproduced in perspective view.
  • the presentation Fig. 8 corresponds to the cooking position Fig. 4 , but with the difference that the barrier 410 has been omitted.
  • a general basic design "triangular shape" for the heat sink of the controller can be identified, which can be carried out with and without barrier depending on the application.
  • cooling element can in a single-fan system, such as in the Fig. 9 is shown schematically, are also arranged in a free space 150 between a rotation range of the fan blades and an outer wall of the fan bracket 130.
  • the cooling ribs should also be oriented so that an area between the cooling ribs points in the rotation range of the fan blades to ensure the best possible, that is trouble-free air flow from the cooling fins to the fan out.
  • Fig. 10 again shows different representations of a cooling element 200 to illustrate a concrete non-inventive example with disclosed dimensions.
  • the illustration corresponds to the Fig. 10 the representations from the FIGS. 6 and 7 , but now the barrier 410 is omitted, so that the in Fig. 10 shown cooling element can be advantageously used for a single-fan system.
  • connection lines 210 between the controller and fan (s) can be made relatively short. It can be assumed here of a respective maximum length of about 16 cm.
  • the short connections have an advantageous effect on the EMC behavior.
  • the controller usually shuts off this faulty fan.
  • the still functioning fan will continue to operate - in some cases at a higher speed.
  • the power components of the regulator eg, final stage transistors, which are often configured as MOSFETs
  • the still functioning fan must also be cooled by its airflow.
  • the right fan power elements it is necessary for the right fan power elements to be located in the right heat sink area of the controller and, analogously, for the left fan power elements in the left heat sink area of the controller.
  • the power electronics components of the regulator circuits and the power amplifiers can be placed directly under the heat sink, as shown in the Fig. 11 is reproduced.
  • the final stage transistors for the fan 110 are placed and in the right area 1110 on the right side of the cooling element, the output stage transistors for the second fan 120 are placed.
  • the simple presentation Fig. 5 makes the directions of the air currents clear. This ensures that even if one fan fails, optimal cooling takes place or that compared to conventional systems, the cooling of the vehicle, even in this case of error, can continue to work.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Claims (8)

  1. Soufflante d'air de refroidissement (100) ayant les caractéristiques suivantes :
    - au moins un ventilateur (110, 120) comprenant des pales de ventilateur qui sont mobiles dans une zone de rotation ;
    - un support de ventilateur (130) comprenant un châssis pratiquement rectangulaire, où le support de ventilateur (130) fixe le ventilateur dans une position déterminée ; et
    - un régulateur comprenant un élément de refroidissement (200), où l'élément de refroidissement comprend une plaque d'élément de refroidissement (420) qui présente une forme de polygone qui se rapproche pratiquement d'une forme de triangle, où l'élément de refroidissement (200) présente une pluralité d'ailettes de refroidissement (400) qui s'étendent pratiquement de façon perpendiculaire à partir d'une plaque d'élément de refroidissement (420), où l'élément de refroidissement (200) est positionné entre le châssis du support de ventilateur (130) et la zone de rotation des pales du ventilateur, caractérisée en ce que l'élément de refroidissement (200) présente une cloison de séparation (410) qui s'étend pratiquement de façon perpendiculaire aux ailettes de refroidissement (400) et / ou à la plaque d'élément de refroidissement (420) et qui relie entre elles les ailettes de refroidissement (400).
  2. Soufflante d'air de refroidissement (100) selon la revendication 1, caractérisée en ce que l'élément de refroidissement (200) est positionné de manière telle, qu'une zone comprise entre les ailettes de refroidissement (400) soit orientée par rapport à la zone de rotation des pales du ventilateur.
  3. Soufflante d'air de refroidissement (100) selon l'une des revendications précédentes, caractérisée en ce que les ailettes de refroidissement (400) sont de forme arquée, en particulier présentent la forme d'un segment de cercle et / ou en ce que les ailettes de refroidissement (400) sont, vues depuis le châssis, courbées de façon concave.
  4. Soufflante d'air de refroidissement (100) selon l'une quelconque des revendications précédentes, caractérisée en ce que l'élément de refroidissement (200) est en métal, en particulier en aluminium.
  5. Soufflante d'air de refroidissement (100) selon l'une quelconque des revendications 1 à 4, caractérisée en ce que la cloison de séparation (410) s'étend en s'éloignant plus de la plaque d'élément de refroidissement (420), que les ailettes de refroidissement (400).
  6. Soufflante d'air de refroidissement (100) selon l'une quelconque des revendications 1 à 5, caractérisée en ce qu'il est prévu en outre un deuxième ventilateur (120) qui est fixé, par le support de ventilateur, sur une position déterminée, où le support de ventilateur présente une paroi de séparation (150) placée entre le ventilateur (110) et le deuxième ventilateur (120), et où la cloison de séparation (410) est alignée sur la paroi de séparation (150), en particulier où la cloison de séparation (410) forme un prolongement ou un pontage de la paroi de séparation (150).
  7. Soufflante d'air de refroidissement (100) selon la revendication 6, caractérisée en ce que la paroi de séparation (150) et la cloison de séparation (410) se terminent de façon affleurante.
  8. Soufflante d'air de refroidissement (100) selon l'une des revendications 6 ou 7, caractérisée en ce qu'une autre zone comprise entre les ailettes de refroidissement (400) est orientée par rapport à une zone de rotation des pales du deuxième ventilateur (120).
EP11167072.5A 2010-06-24 2011-05-23 Soufflante d'air frais Not-in-force EP2420657B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010024978A DE102010024978A1 (de) 2010-06-24 2010-06-24 Kühlluftgebläse

Publications (2)

Publication Number Publication Date
EP2420657A1 EP2420657A1 (fr) 2012-02-22
EP2420657B1 true EP2420657B1 (fr) 2016-12-07

Family

ID=44645458

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11167072.5A Not-in-force EP2420657B1 (fr) 2010-06-24 2011-05-23 Soufflante d'air frais

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EP (1) EP2420657B1 (fr)
DE (1) DE102010024978A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5965296B2 (ja) * 2012-11-22 2016-08-03 株式会社豊田自動織機 車両用冷却ファン装置
DE102013204069B4 (de) * 2013-03-11 2020-10-01 Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg Lüfterzarge und Lüftermodul für einen Kühler eines Kraftfahrzeugs
DE102015005129B3 (de) * 2015-04-22 2016-08-25 Audi Ag Fahrzeug mit einem Kühler und einem Kühlerlüfter
CN108252789A (zh) * 2017-11-20 2018-07-06 观致汽车有限公司 减振冷却风扇安装支架及应用其的冷却***、汽车
DE102022001701A1 (de) 2022-05-16 2023-11-16 Mercedes-Benz Group AG Kühlmodul für ein Kraftfahrzeug, insbesondere für einen Kraftwagen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3523223A1 (de) * 1985-06-28 1987-01-02 Sueddeutsche Kuehler Behr Als motorhalter ausgebildete luefterzarge
DE3604089A1 (de) * 1986-02-08 1987-08-13 Daimler Benz Ag Heizungs-, lueftungs- oder klimaanlage
DE3916791C3 (de) * 1988-10-28 1998-09-17 Valeo Sistemi Termici S P A Gebläse-Einbausatz einer Kraftwagenheizung
DE9106035U1 (de) * 1991-05-16 1992-09-24 GKR Gesellschaft für Fahrzeugklimaregelung mbH, 71701 Schwieberdingen Leistungssteller für Gebläsemotoren
JP3633190B2 (ja) 1997-03-11 2005-03-30 株式会社デンソー 自動車用熱交換装置
DE19949321C1 (de) * 1999-10-13 2001-05-03 Temic Auto Electr Motors Gmbh Kühlerventilator für Kraftfahrzeuge
DE19950521A1 (de) * 1999-10-20 2001-04-26 Behr Gmbh & Co Lüfterhaube, insbesondere für den Kühlmittelkühler eines Verbrennungsmotors
FR2831929B1 (fr) * 2001-11-02 2004-02-06 Valeo Climatisation Groupe moto-ventilateur comportant un radiateur integre
DE10321732B4 (de) * 2003-05-14 2013-08-01 Robert Bosch Gmbh Kühlung der Ansteuerung von Kühlgebläsen für Kraftfahrzeugmotoren

Non-Patent Citations (1)

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Title
None *

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Publication number Publication date
DE102010024978A1 (de) 2011-12-29
EP2420657A1 (fr) 2012-02-22

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