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EP2315996B1 - Vorrichtung zur montage eines lüfters für eine kühleinheit - Google Patents

Vorrichtung zur montage eines lüfters für eine kühleinheit Download PDF

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Publication number
EP2315996B1
EP2315996B1 EP09772572.5A EP09772572A EP2315996B1 EP 2315996 B1 EP2315996 B1 EP 2315996B1 EP 09772572 A EP09772572 A EP 09772572A EP 2315996 B1 EP2315996 B1 EP 2315996B1
Authority
EP
European Patent Office
Prior art keywords
cover
face
exchanger
fan
clips
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.)
Active
Application number
EP09772572.5A
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English (en)
French (fr)
Other versions
EP2315996A1 (de
Inventor
Ghislain Perrot
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.)
Tecumseh Europe Sales and Logistics SAS
Original Assignee
Tecumseh Europe Sales and Logistics SAS
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 Tecumseh Europe Sales and Logistics SAS filed Critical Tecumseh Europe Sales and Logistics SAS
Priority to SI200931897T priority Critical patent/SI2315996T1/sl
Publication of EP2315996A1 publication Critical patent/EP2315996A1/de
Application granted granted Critical
Publication of EP2315996B1 publication Critical patent/EP2315996B1/de
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Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/003—General constructional features for cooling refrigerating machinery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/08—Fluid driving means, e.g. pumps, fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/08—Fastening; Joining by clamping or clipping
    • F28F2275/085—Fastening; Joining by clamping or clipping with snap connection

Definitions

  • the invention relates to a device for assembling a fan for a refrigeration unit.
  • the invention is advantageously used in the field of commercial refrigeration and for example for the cooling of beverages packaged in bottles and cans arranged inside a thermally insulated enclosure having, for example, the shape of a cabinet . It is understood that the invention is not limited to the cooling of beverages or the field of commercial cold. Nevertheless, to facilitate the understanding of the invention, it will be described in connection with a beverage packaging cabinet.
  • This type of cabinet is located mainly in public places such as airports, hotels, shopping centers and is intended for the sale of drinks.
  • the cabinet has a rigid box closed by a door, usually glass, allowing access to the products arranged in the cabinet.
  • a refrigeration unit, placed in the cabinet makes it autonomous. Specifically, to ensure its operation, the cabinet needs only an external power supply.
  • the refrigeration unit of refrigerated cabinets consists of a drawer located at the bottom of the cabinet.
  • This arrangement has the advantage of allowing easy extraction of the refrigeration unit for maintenance operations.
  • Such an embodiment is for example described in the French patent application FR 2,855,871 filed in the name of the plaintiff.
  • the refrigeration device comprises an evaporation stage and a condensation stage.
  • Each stage comprises an exchanger for transferring thermal energy between an air flow and a heat transfer fluid.
  • the air flows are driven by fans to create a forced convection at the corresponding exchanger.
  • the various components of the refrigeration unit are assembled on a frame forming a bearing structure of the drawer located in the lower part of the cabinet. Walls attached to the structure guide the flow of air entrained by the fans.
  • the invention is described in relation to a refrigeration unit fitted to a refrigerating cabinet. It is understood that the invention can be implemented for any assembly of a fan with respect to an exchanger, the fan generating a flow of air passing through the exchanger.
  • the figure 1 schematically represents functional elements of a refrigeration unit 10 comprising an evaporation stage 11 and a condensation stage 12.
  • the evaporation stage 11 comprises an evaporator 13 in which an air stream 14 circulating in a chamber is cooled.
  • useful compartment of a refrigerated cabinet not shown.
  • the useful compartment is intended to keep for example food at a temperature below ambient.
  • the air flow 14 is driven by a fan 15 arranged downstream of the evaporator 13.
  • a heat transfer fluid circulates in an expansion member 16 and then in the evaporator 13. Downstream of the evaporator 13, the coolant in the gaseous state sees its pressure increase in a compressor 17 belonging to the stage of condensation 12. The coolant is then cooled in a condenser 18 by thermal contact with a second forced air circulation 19 by a fan 20 shown downstream of the condenser 18.
  • the evaporator 13 and the condenser 18 are both exchangers allowing the transfer of thermal energy between the coolant and the air flow therethrough.
  • the coolant flows towards the expansion member 16 located in the evaporation stage 11.
  • the functional diagram of the refrigeration device 10 has been deliberately simplified. It is, of course, possible to add other components to improve its operation.
  • the figure 2 represents in perspective the relative position of the various components of the refrigeration group represented on the figure 1 . It contains, attached to a frame 21, the compressor 17, the condenser 18 and the fan 20.
  • the frame 21 has the shape of a plate which once in place in the refrigerating cabinet is placed on a floor of the wardrobe.
  • On the chassis 21 can also fix a housing 22 enclosing various electrical components allow the operation of the electrical appliances of the refrigeration group such as the fans 15 and 20 and the compressor 17. It is also possible to attach to the chassis a tray 23 for recovering condensates from of the useful compartment of the cabinet and the evaporation stage 11.
  • a hot pipe 24 in which circulates the coolant can meander in the bottom of the tank 23.
  • the figure 3 represents in perspective a fan assembly device 15 on the evaporator 13.
  • the assembly shown here, can also be implemented for the assembly of the fan 20 on the condenser 18.
  • the device comprises a hood 35 supporting the fan 15.
  • the cover 35 is supported by the evaporator 13.
  • the cover 35 guides the flow of air entrained by the fan 15 and passing through the evaporator 13 so that the entire air flow entrained by the fan 15 passes through the evaporator 13.
  • the cover 35 comprises a face 36 bearing on a wall 37 of the evaporator 13, a tubular portion 38 and a grid 39.
  • the tubular portion 38 is connected to one from its ends to the face 36 and the other of its ends to the grid 39.
  • the fan 15 is fixed to the center of the grid 39 and the fan blades 15 rotate inside the tubular portion 38.
  • the figure 4 represents the evaporator 13, the fan 15 and the cover 35 in a view by a plane perpendicular to an axis of rotation of the fan 15.
  • the fan 15 is centered with respect to the evaporator 13, thus ensuring better efficiency in the heat transfer between the air flow driven by the fan 15 and the evaporator 13.
  • the only piece serving as an intermediate between the fan 15 and the evaporator 13 is the cap 35.
  • the dimension chain linking the fan 15 to the Evaporator 13 is thus very short. This ensures a good centering of the fan 15 despite unavoidable dispersions in the manufacture of different mechanical parts.
  • the assembly device comprises a plurality of grippers 40 belonging to the cover 35.
  • the various grippers 40 are advantageously identical to simplify their production.
  • the clamps 40 are distributed around the axis of the fan 15 in zones of the evaporator 13 outside its active part, the portion through which the air flow entrained by the fan 15.
  • Each clamp 40 provides a point pressure of the hood
  • the distribution of the clamps 40 is defined as a function of the rigidity of the two elements in contact, the evaporator 13 and the cover 35, so as to ensure sufficient sealing of the air flow.
  • the figure 5 shows in partial section the cover 35 and the wall 37 of the evaporator 13 at one of the clamps 40.
  • the cover 35 and the evaporator 13 are shown in the assembled position.
  • the wall 37 of the evaporator 13 comprises two faces 41 and 42 opposite.
  • the face 36 of the cover 35 bears on the face 41 of the evaporator 13 and the clamps 40 bear against the face 42.
  • the clamps 40 have a shape allowing the assembly of the fan 15 by means of a translational movement of the cover 35 with respect to the exchanger 13 along the wall 37.
  • the direction of the translational movement is carried by an axis z parallel to the plane of the wall 37.
  • Each clamp 40 corresponds to an opening 43 of the evaporator 13 allowing at the gripper 40 to access the second face 42.
  • the clamps 40 belong to the cover 35. It is of course possible to make clamps in the wall 37 of the evaporator 13. In this case, the clamps bear against a face of the hood 35 opposite the face 36 and the openings corresponding to each clamp are then made in the cover 35.
  • the clamp 40 in the form of a hook, a free end 44 comprises a bulge 45 extending towards the face 42 and to ensure a pressure of the cap 35 against the face 41.
  • the clamp 40 extends from a wall 46 of the cover 35 to its free end 44.
  • the wall 46 bears against the wall 37 of the evaporator 13.
  • the presence of the bulge 45 makes it possible to control the point of contact between the clamp 40 and the face 42.
  • the point of contact is on this bulge 45.
  • the force exerted by the clamp 40 is a function of the stiffness of the clamp 40 between its hooking on the cover 35 and the point of contact which is always made on the bulge 45.
  • the force is also a function of the thickness of the wall 37.
  • the force exerted by the clamp 40 is independent of the position of an edge 47 of the opening 43, edge located closer to the clamp 40.
  • the contact between the clamp 40 and the wall 37 could be at the edge 47, which would cause a significant variation in the effort depending on the manufacturing dispersions of the opening 43. Such a variation could cause a rupture of the clamp 40.
  • the cover 35 can be open facing the clamp 40 in order to facilitate the production of the cover 35, for example by molding.
  • the Figures 6, 7 and 8 represent several phases in the installation of a clamp 40.
  • the cover 35 is at a distance from the wall 37.
  • the cover 35 is brought closer in a horizontal direction x until the faces 36 and 41 come into contact with one of the other as depicted on the figure 7 .
  • the clamp 40 enters the opening 43. It is necessary that in a vertical direction carried by the axis z the dimensions of the opening 43 are greater than those of the clamp 40 so that the clamp 40 can freely enter the opening 43.
  • the cover 34 is moved along the wall 37. The direction of movement of the cover 35 is -z on the Figures 7 and 8 .
  • the final position at the end of this second phase is represented on the figure 8 and corresponds to the figure 5 .
  • the free end 44 of the clamp 40 is located above the edge 47 and during the second phase, the free end 44 passes below the edge 47 by sliding along the face 42 of the wall 37.
  • the faces 36 and 41 remain in contact with each other. 'other.
  • FIG. 9 to 13 represent several phases in the introduction of the cover 35 on the evaporator 13.
  • a single assembly comprising a guide 50, a light 51 and a finger 52 is shown. It is of course possible to provide several sets, for example two, one on each side of the fan 15 as shown in FIG. figure 4 .
  • the cover 35 is remote from the wall 37 of the evaporator 13.
  • the cover 35 rests in its lower part 56 on the guide 50.
  • the two faces 36 and 41 are not parallel.
  • the movement of the cover 35 is made along the x axis until reaching the position represented on the figure 10 .
  • the light 51 opens into the wall 37 and in this position, the finger 52 abuts against the wall 37.
  • the finger 52 can penetrate into the light 51 only when the cover 35 recovers until the faces 36 and 41 become parallel as shown on the figure 11 .
  • the length of the finger 52 in the x direction is determined so that, when it abuts against the wall 37, the clamps 40 remain at a distance from the wall 37 without being able to penetrate into the corresponding openings 43.
  • the penetration of the finger 52 into the lumen 51 allows the two faces 36 and 41 to be brought together until the clips 40 penetrate into their respective apertures 43 as shown on the figure 12 .
  • This position of the clamps 40 with respect to the openings 43 corresponds to that described in FIG. figure 7 .
  • the evaporator 13 comprises a groove 55 allowing the cover 35 to escape the guide 50, when the clamps 40 have all penetrated into their corresponding openings 43.
  • the groove 55 also serves as a guide in the movement of the cover 35 along the axis z along the wall 37.
  • the groove 55 extends along the axis z perpendicular to the guide 50.
  • a lower portion 56 of the cover 35 descends in the groove 55 during the movement of the cover 35 along the axis z to clamp the wall 37 and reach the position shown on the figure 13 .
  • the height of the light 51 allows the finger 52 to move in the light 51 during the downward movement of the cover 35.
  • the length of the finger 52 is also defined so that the lower part 56 can not engage in the groove 55 until the finger 52 has penetrated the light 51.
  • the position of the groove 55 also makes it possible to avoid, when the hood 35 is tilted, the opposite of that represented on the figure 10 , a movement of the hood 35 in a direction -z. Indeed, in the case of a reverse inclination, the clamps 40 located at the top of the cover 35 could have penetrated into their respective openings 43 while the clamps located at the bottom of the cover 35 would be outside their openings 43.
  • the groove 55 also contributes to maintaining the hood 35 under pressure against the wall 37. More specifically, an edge 57 of the groove 55 bears against the lower part 56 when the lower part 56 engages in the groove 55 in its translational movement. along the z axis. For this purpose, it is possible to provide a negative clearance of a few tenths of millimeters between the edge 57 and the lower part 56 of the cover 35 when the face 36 of the cover 35 is in contact with the face 41 of the exchanger in the position of the figure 12 .
  • the negative clearance is defined in the direction x and ensures the pressurization of the two faces 36 and 41 against each other when the cover 35 passes from the position of the figure 12 to that of the figure 13 .
  • the cover 35 comprises a stop 60 making it possible to bear against the evaporator 13 during a translational movement the cover 35 with respect to the evaporator 13 along the wall 37, movement allowing the assembly of the fan 15, the stop 60 being distinct from the clamps 40.
  • the stop 60 is for example located in the upper part of the cover 35.
  • the stop 60 comes into contact with the evaporator 13 when the clamps 40 are engaged behind the wall 37.
  • the stop 60 allows the clamps 40 not to come into contact with the corresponding edges 47.
  • the evaporator 13 has a mainly parallelepipedal shape, the wall 37 forming a vertical face of the parallelepiped.
  • the stop may cover the whole of a horizontal upper face of the parallelepiped in order to seal the air flow entrained by the fan 15 in the upper part thereof.
  • the device comprises means for locking the exchanger 13 and the cover 35 relative to each other.
  • These means comprise for example two screws 65 and 66 allowing the cover 35 to be fixed on the evaporator 13.
  • the two screws 65 and 66 are for example arranged between two adjacent clamps 40.
  • 65 and 66 can be provided a smooth hole made in the cover 35 and a tapped hole made in the wall 37. These two holes are aligned, to allow the introduction of the screws 65 and 66, only when the position of the figure 13 is reached.
  • the screws 65 and 66 also contribute to keeping the hood 35 under pressure against the wall 37.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Claims (10)

  1. Vorrichtung zum Montieren eines Ventilators (15) für ein Kühlaggregat, die Folgendes umfasst:
    • eine Haube (35), die den Ventilator (15) trägt,
    • einen Austauscher (13) mit einer Wand (37), wobei die Haube (35) und die Wand (37) zwei Elemente der Vorrichtung bilden, wobei das erste Element (35) an einer ersten Fläche (41) des zweiten Elements (13) anliegt,
    • mehrere Klemmen (40), die zu dem ersten Element (35) gehören und an einer zweiten Fläche (42) des zweiten Elements (13) anliegen, wobei die zweite Fläche (42) der ersten Fläche (41) gegenüberliegt, wobei jede Klemme (40) einen punktuellen Druck eines Elements gegen das andere gewährleistet,
    dadurch gekennzeichnet, dass die Wand (37) eben ist, und dadurch, dass die Klemmen (40) eine Form haben, die das Montieren des Ventilators (15) mittels einer Translationsbewegung der Haube (35) in Bezug auf den Austauscher (13) entlang der Ebene der Wand (37) zulässt.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Haube (35) einen vom Ventilator (15) geförderten Luftstrom leitet und den Austauscher (13) durchquert.
  3. Vorrichtung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Haube (35) einen Anschlag (60) aufweist, der eine Anlage an dem Austauscher (13) bei der Translationsbewegung der Haube (35) in Bezug auf den Austauscher (13) zulässt, wobei der Anschlag (60) von den Klemmen (40) getrennt ist.
  4. Vorrichtung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass jeder Klemme (40) eine Öffnung (43) des zweiten Elements (13) entspricht, die es zulässt, dass die Klemme (40) Zugang zu der zweiten Fläche (42) des zweiten Elements (13) hat.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Klemme (40) die Form eines Hakens hat, von dem ein freies Ende (44) eine Verdickung (45) aufweist, die sich in Richtung der zweiten Fläche (42) des zweiten Elements (13) erstreckt und die es zulässt, einen Druck des ersten Elements (35) gegen die erste Fläche (41) des zweiten Elements (13) zu gewährleisten.
  6. Vorrichtung nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, dass sie Mittel zum Bewirken des gleichzeitigen Eindringens aller Klemmen (40) in die entsprechenden Öffnungen (43) umfasst.
  7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Mittel zum Bewirken des gleichzeitigen Eindringens aller Klemmen (40) in die entsprechenden Öffnungen (43) Folgendes umfassen:
    • eine Führung (50), die zu dem Austauscher (13) gehört und das Platzieren der Haube (35) auf eine solche Weise zulässt, dass die Klemmen (40) den entsprechenden Öffnungen (43) gegenüberliegen,
    • eine Öffnung (51), die zu dem Austauscher (13) gehört,
    • einen Finger (52), der zu der Haube (35) gehört, auf eine solche Weise realisiert, dass der Finger (52) nur dann in die Öffnung (51) eindringen kann, wenn eine zur Anlage an der ersten Fläche (41) des zweiten Elements (13) bestimmte Fläche (36) des ersten Elements (35) parallel zur ersten Fläche (41) des zweiten Elements (13) ist.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass der Austauscher (13) eine Rille (55) umfasst, die es zulässt, dass die Haube (35) aus der Führung (50) gerät, wenn die Klemmen (40) alle in die entsprechenden Öffnungen (43) eingedrungen sind.
  9. Vorrichtung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass sie Mittel (65, 66) zum gegenseitigen Verriegeln der zwei Elemente (13, 35) umfasst.
  10. Vorrichtung nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Klemmen (40) in Abhängigkeit von der Starrheit der zwei Elemente (13,35) in Kontakt verteilt sind, um die Dichtigkeit eines von dem Ventilator (15) geförderten Luftstroms durch den Austauscher (13) zu gewährleisten.
EP09772572.5A 2008-07-04 2009-07-06 Vorrichtung zur montage eines lüfters für eine kühleinheit Active EP2315996B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200931897T SI2315996T1 (sl) 2008-07-04 2009-07-06 Naprava za sestavo ventilatorja hladilne enote

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0803814A FR2933487B1 (fr) 2008-07-04 2008-07-04 Dispositif d'assemblage d'un ventilateur pour groupe de refrigeration
PCT/EP2009/058532 WO2010000872A1 (fr) 2008-07-04 2009-07-06 Dispositif d'assemblage d'un ventilateur pour groupe de réfrigération

Publications (2)

Publication Number Publication Date
EP2315996A1 EP2315996A1 (de) 2011-05-04
EP2315996B1 true EP2315996B1 (de) 2018-09-12

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ID=40468714

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09772572.5A Active EP2315996B1 (de) 2008-07-04 2009-07-06 Vorrichtung zur montage eines lüfters für eine kühleinheit

Country Status (5)

Country Link
EP (1) EP2315996B1 (de)
ES (1) ES2700860T3 (de)
FR (1) FR2933487B1 (de)
SI (1) SI2315996T1 (de)
WO (1) WO2010000872A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6081068B2 (ja) * 2012-03-12 2017-02-15 三菱重工業株式会社 空気調和機

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4742691A (en) * 1986-06-02 1988-05-10 White Consolidated Industries, Inc. Dehumidifier
DE19526286A1 (de) * 1995-07-19 1997-01-23 Behr Gmbh & Co Wärmeübertrager
DE69626688T2 (de) * 1996-12-11 2004-02-05 Carrier Corp. Gebläse- und antriebeinheit für klimaanlage
JP3896268B2 (ja) * 2001-10-16 2007-03-22 ホシザキ電機株式会社 熱交換装置
JP4062028B2 (ja) * 2002-09-19 2008-03-19 株式会社デンソー 熱交換器及びシュラウドの組み付け構造

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
SI2315996T1 (sl) 2019-02-28
WO2010000872A1 (fr) 2010-01-07
ES2700860T3 (es) 2019-02-19
EP2315996A1 (de) 2011-05-04
FR2933487A1 (fr) 2010-01-08
FR2933487B1 (fr) 2010-11-05

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