Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
  • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
  • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
  • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
  • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
  • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
  • F28D1/0435—Combination of units extending one behind the other
• • 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
  • F28F9/02—Header boxes; End plates
  • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
  • F28F9/0224—Header boxes formed by sealing end plates into covers

Definitions

• the invention relates to a box for receiving a fluid for a heat exchanger and a heat exchanger, in particular for a heat exchanger unit.
• the invention relates to a heat exchanger unit, in particular in the form of a monobloc.
• Heat transfer units such as cooling modules for motor vehicles are, as known from the prior art, for example from DE 100 18 0001 A1 and DE 197 31 999 A1, aggregates of several heat exchangers or heat exchangers such as coolant radiator, intercooler, condenser or oil cooler, which are combined to form a structural unit or a module and - in the case of heat exchanger units for motor vehicles - are supported via a common fastening or mounting relative to the motor vehicle or a frame or frame part of the vehicle.
• heat exchangers or heat exchangers such as coolant radiator, intercooler, condenser or oil cooler
• heat exchanger units or cooling modules in the form of a monoblock as is further known from the prior art, for example from DE 102 55 011 A1, EP 0 825 404 A1 and Japanese Pat. Hei. 1-224163, the components to be combined together and then soldered.
• FIG. 5 shows a view of a known from the prior art heat exchanger unit 500 in the form of a soldered all-aluminum mono block.
• This monobloc heat exchanger unit 500 has a first heat exchanger, a coolant radiator or radiator 501 for cooling an automobile engine, and a second heat exchanger combined with the radiator 501, a flat tube condenser 502, for air cooling for an automotive air conditioning system.
• the radiator 501 and the capacitor 502 are parallel to each other or side by side, via a common corrugated fin 530 of their respective Tube-fin blocks 515 a, b and radiator grids 515 a, b arranged interconnected.
• the radiator 501 has a coolant box 510 consisting of a coolant box bottom 511 and a coolant box lid 512 fluid-tightly connected to the coolant box bottom 511.
• coolant cistern bottom 511 which, as FIG. 5 shows, is planar, receiving openings 513 for tubes 514, in this case flat tubes 514, of the tube / fin block 515 a are provided (not visible).
• receiving openings 513 for tubes 514 in this case flat tubes 514, of the tube / fin block 515 a are provided (not visible).
• such a coolant box bottom 511 with corresponding receiving openings 513 may also be slightly curved.
• a closure plane 517 between the coolant box bottom 511 and the coolant box lid 512 or a box bottom plane 517 is, as clearly shown in FIG. 5, parallel to a connection plane 518 between the coolant box bottom 511 and the tube-fin block 515 a or the radiator network 515 a or formed by the receiving openings 513 tube-bottom plane 518 aligned.
• the closure plane 517 is oriented perpendicularly 541 to the tube-fin block 515 a and to the cooler mesh 515 a, respectively.
• the coolant box 510 or the coolant box lid 512-with respect to the tube-and-fins block 515 a or the cooler grid 515 a- is formed straight-up.
• a connecting flange 516 is provided for an inflow and outflow of the coolant.
• the flat-tube condenser 502 has a condensate collector 520, in short collector 520, which likewise has receiving openings 523, which are not visible in detail, for flat tubes 524 of the tube-fin block 515 b.
• the radiator 501 because of its use for engine cooling and the associated greater amount of necessary cooling fluid, has a larger, i.e., greater than that of, the condenser 502. deeper, this design, which in the parallel arrangement to a greater distance 519 between the mutually parallel heat exchangers and thus to larger, i. deeper, overall dimension of the combined arrangement leads.
• the invention is therefore based on the object to provide a simple and inexpensive to produce heat exchanger, which forms smaller forms, especially in heat exchanger units, in particular in the form of a monoblock, allows.
• This fluid is preferably a coolant, which is why the box, without this being a restriction, is also referred to as a coolant box - or short as a box.
• This coolant box is preferably intended for a heat exchanger, such as a heat exchanger of a motor vehicle. With particular preference, this coolant box is intended for a heat exchanger of a heat exchanger unit from combined heat exchangers, such as a cooling module, in particular in the form of a monobloc.
• the heat exchanger or the heat exchanger unit in execution or design can be designed as a cross-flow or in the form of a downflow heat exchanger.
• the coolant box has at least one floor with one or more receiving openings for pipes (pipe-floor connection). These are in particular connecting pipes.
• the tubes may, for example, be designed as flat tubes and be part of a tube-and-fin block, for example formed as a cooler network, which is connected to the coolant-box bottom via a connection plane or a tube-bottom plane.
• the one or more openings are or are arranged substantially in one plane, the tube-bottom plane, which is aligned substantially perpendicular to the tube-rib block or to the radiator network.
• the coolant box has a lid connected to the bottom, wherein the connection between the bottom and the lid is arranged substantially in a further plane, a box-bottom plane or a closure plane.
• this box floor level or closure level is arranged rotated in relation to the pipe floor level by a predeterminable angle, ie, in an illustrative manner, the box is inclined with respect to the pipe rib block or the radiator network.
• This angle or this rotation between the planes can preferably be realized in that the bottom is designed as a component which is substantially open in the direction of the cover and / or essentially wedge-shaped or trapezoidal in cross-section.
• the predeterminable angle is an acute angle, in particular in a range of 15 ° to 75 °.
• the predeterminable angle or the box and / or the bottom can be designed such that in an opening region of the predeterminable angle, in particular the acute angle, a component adjacent to the box, in particular a collecting tube, such as a condenser tube of an adjacent Condenser, is arranged.
• the lid and / or the bottom are made of plastic, for example of a stable plastic, such as polyamide, are or is.
• closure means in particular conventional closure means, such as a flange and / or latching and / or clip connections, which may optionally be supplemented with a seal, are provided.
• closure means such as a flange and / or latching and / or clip connections, which may optionally be supplemented with a seal.
• the predeterminable angle may also depend on a size of the box, in particular a width of the box, on the size of the floor, in particular a width of the floor, on the size of the closure means and / or on the size of components adjacent to the box, in particular one Collector, such as a condenser collector, be given.
• the pipe-floor connection is realized in a conventional manner, for example by soldering the pipes in the floor, in this case preferably made of aluminum, in particular in the openings of the floor and / or or mechanically (in) are joined. Nocolok soldering is known in the art.
• At least one holder for an add-on component such as a fan, a charge air cooler, an oil cooler, and / or for attachment, such as a vehicle attachment provided.
• the at least one holder is integrated in the box, in particular in the plastic lid.
• a flat-tube transmission oil cooler is integrated in the box.
• the invention proposes a heat exchanger, in particular for a heat exchanger unit, for example a coolant cooler for a cooling module in a motor vehicle.
• This heat exchanger has a tube-fin block, for example formed as a radiator network, and the box according to the invention - or a further developed, inventive box -, in particular with a plastic lid and aluminum floor, on. Tubes of the tube-rib block open in the area of the box bottom in this.
• the pipes in particular connecting pipes, such as flat pipes, are (on) soldered and / or mechanically (in) joined in the floor, in particular in the openings.
• closure means in particular conventional closure means, such as a flange and / or latching and / or clip connections, are used.
• inventive boxes are arranged on both sides of the tube-fin block or the radiator network.
• the invention proposes a heat exchanger unit, in particular after execution as a monobloc.
• This heat exchanger unit has a first heat exchanger and one adjacent to the first heat exchanger, in particular parallel, ordered second heat exchanger, such as a coolant radiator and an adjacent to the coolant radiator condenser on.
• the first heat exchanger in particular the coolant radiator, has the box according to the invention - or a further developed, inventive box -, in particular with a plastic lid and an aluminum bottom, on.
• a collector, in particular a condenser collector, of the second heat exchanger is arranged in an opening region of the predeterminable angle.
• the heat exchanger unit is designed as a monoblock, for example as a monobloc consisting largely of aluminum and / or as a Nocolok-soldered monoblock, with, in particular parallel, radiator networks which are connected via a common corrugated fin.
• the parallel cooling grids can be arranged in the predetermined angle to the box floor level.
• the predefinable angle to depend on at least a size of the box, in particular a depth of the box, on the size of the floor, in particular a width of the floor, on the size of closure means for the connection between the cover and the floor and / or is predetermined by the size of the collector, in particular of the condenser collector, of the second heat exchanger.
• the closure plane between the box and the floor is not perpendicular to the radiator network in the heat exchanger according to the invention, but instead forms an angle predeterminable angle, off.
• the box-bottom connection of the heat exchanger according to the invention on the side of a further heat exchanger arranged parallel to the heat exchanger according to the invention for example a capacitor of a combined heat exchanger unit, in particular in the form of a monoblock from a coolant radiator according to the invention and the condenser, outside the collector or the collector of the further heat exchanger is located.
• the predeterminable angle in which the closure plane in the heat exchanger according to the invention is connected to the cooler network can also depend on the size of the collector (s) of the second heat exchanger and the space required for the closure technique, by means of which ckel is connected to the ground in the case of the invention or the heat exchanger according to the invention (closing tool) can be selected.
• heat exchanger unit in the form of a brazed all-aluminum monobloc and the heat exchanger unit according to the invention, in particular in the form of a monoblock, a common corrugated fin, are connected by which parallel arranged cooling grids, and have a conventional pipe Floor connection feature.
• the first heat exchanger of the heat exchanger unit according to the invention for example a coolant radiator, can furthermore and in contrast to the conventional brazed all-aluminum monoblock have a plastic cover which is fastened to the bottom of the box with conventional, in particular fluid-tight, closure technology.
• the attachment of additional holders, for example for add-on components, or holders for assembly, for example in a vehicle, in particular on the plastic lids, for example by integration into the plastic lids or boxes, can be made easier and cheaper.
• a flat-tube transmission oil cooler in particular in the plastic cover, can be integrated.
• the heat exchanger unit according to the invention in particular in the form of a monoblock, can be soldered in a known manner to Nocolok, although according to the invention a smaller number of solder joints, in particular when using a plastic lid with conventional ler, with plastic parts possible closure technology between the lid and bottom, may be necessary.
• the resulting smaller number of solder joints reduces the likelihood of leakage or increases the tightness.
• the box is particularly advantageously suitable for a heat exchanger comprising a brazed block flat tubes and flat ribs provided with openings which are penetrated by the flat tubes, wherein the term "flat tubes” both in the description and in the claims of the present application also
• the plate-shaped ribs are thus threaded onto the flat tubes and soldered to them, for which purpose contact surfaces are provided at the openings of the ribs, through which the material-locking connection after the
• ribs and tubes are made of aluminum or aluminum alloys, which are connected by a brazing process to form a solid block by this combination of flat tubes and flat ribs w
• a minimal air-side pressure drop is achieved and a high heat exchanger performance.
• the manufacturing costs are reduced compared to the conventional flat tube / corrugated fin system by a simplified cassetting process, namely by "threading" the ribs onto the flat tubes
• the tubes can be arranged offset to one another in the direction of airflow, ie, they can be arranged on a gap, thus increasing the output.
• the flat tubes can have any desired depth (in the airflow direction). have relationship to their width (transverse to the direction of air flow) and may also be formed as folded multi-chamber pipes, bead pipes or pipes. Since the tube cross-section in the area of the ribs is completely enclosed by a rib, inflation due to internal pressure is prevented. It also results in the advantage that the tubes can be made with significantly lower wall thickness, since a widening is eliminated.
• Such a heat exchanger is disclosed in DE 10 2005 032 812 A1, the entire content of which hereby expressly counts to the disclosure content.
• the box is particularly advantageous for heat exchangers such as radiators, coolant radiator, intercooler, oil cooler, exhaust gas cooler, condensers for air conditioners, evaporators for air conditioning, a gas cooler for air conditioning, etc. suitable.
• heat exchangers such as radiators, coolant radiator, intercooler, oil cooler, exhaust gas cooler, condensers for air conditioners, evaporators for air conditioning, a gas cooler for air conditioning, etc. suitable.
• the box is also particularly advantageous for at least one cooling module.
• a cooling module at least two heat exchangers are arranged.
• the cooling module may have at least one condenser for an air conditioner and / or a charge air cooler and / or a coolant radiator and / or a radiator and / or an exhaust gas cooler and / or an oil cooler and / or a gas cooler for an air conditioning system.
• the box is particularly advantageously suitable for a so-called mono block.
• the refrigerant condenser and the radiator are integrated into one unit.
• the monoblock delivers higher cooling capacities for both the coolant and the refrigerant. The reason for this is the lower pressure loss and the better flow of cooling air in the monoblock. The stronger cooling of the refrigerant leads to a faster cooling of the vehicle cabin, thus increasing ride comfort.
• the refrigerant condenser and the coolant radiator common ribs, in particular corrugated fins, on.
• the box is particularly advantageously suitable for a so-called file block.
• refrigerant condenser and coolant radiator are connected to form a unit, in particular cohesively by soldering, welding, gluing, etc. and / or positively connected.
• the first block in particular corrugated ribs
• second ribs in particular corrugated ribs
• the flexible block is that different embodiments of refrigerant condensers can be arbitrarily combined with different embodiments of coolant coolers.
• the box is also suitable for a heat exchanger with curved tubes or a curved heat exchanger block.
• the heat exchanger is in particular for a motor vehicle, for example a coolant radiator, a condenser, a transmission oil cooler or a low-temperature radiator for a motor vehicle.
• This heat exchanger has at least one, in particular a heat exchanger or heat exchanger network - also radiator network - forming, finned tube block and each end of tubes of the finned tube block this or these associated collecting spaces, such as condenser or coolant boxes on.
• “assigned” is a fluid-technical, in particular fluid-tight, connection between the tubes, for example flat tubes, and the collecting chambers, for example box or tubular collecting spaces, to understand.
• the pipes, in particular connecting pipes, such as flat pipes are soldered into the (respective assigned) collecting space, in particular in openings of the (respective assigned) collecting space, and / or mechanically (in) joined ,
• the at least one finned tube block in the longitudinal direction of the tubes form substantially in an arc shape.
• this creates a "bent heat exchanger” or a heat exchanger with a “bent heat exchanger network or cooler network”.
• This essentially curved shape can be realized, for example, by bending the tubes of a finned tube block or a cooling network over the entire longitudinal extension in accordance with a predefinable radius uniformly or with partially continuously or radically changing radii. curved (entire network is curved evenly or with different radii).
• this shape can also be realized by virtue of the fact that the tubes of a finned tube block or a cooling network are bent or curved over the longitudinal extent partially, for example only in the center of the network or in two or more partial areas, according to one or more predeterminable radii . are.
• This heat exchanger is described in the unpublished DE 10 2006 004 982.9 and the unpublished DE 10 2005 007 503.7 of the applicant, the entire contents of which are hereby expressly disclosed.
• FIG. 1 shows a view of an exemplary coolant box bottom according to the invention of a coolant cooler according to the invention for a heat exchanger unit according to the invention, for example in the form of a monoblock (cooling module);
• FIG. 2 shows a detail view of an exemplary coolant box according to the invention with the coolant box cover removed of a cooling module according to the invention
• FIG. 3 shows a cross-sectional view of an exemplary coolant box according to the invention of a coolant cooler according to the invention of a cooling module according to the invention
• FIG. 4 shows another view of the exemplary coolant reservoir according to the invention of a coolant radiator according to the invention of a cooling module according to the invention according to FIG.
• FIG. 5 is a cross-sectional view of a coolant box of a coolant cooler of a prior art monoblock cooling module
• Fig. 6 is a cross-sectional view of an exemplary coolant box according to the invention of a coolant radiator according to the invention of a cooling module according to the invention, in particular for clarity (in comparison with Figure 5) a smaller distance between the parallel heat exchangers.
• 1 to 4 and 6 show different views of a heat exchanger unit according to the invention or of a cooling module 100 in the form of a modular block.
• This monobloc cooling module 500 has a first heat exchanger, a coolant radiator or radiator 101 for cooling a motor vehicle engine, and a second heat exchanger combined with the radiator 101, a flat-tube condenser 102 for air cooling for a motor vehicle air conditioning system.
• the radiator 101 and the capacitor 102 are parallel to each other or side by side, via a common corrugated fin 130 of their respective tube-fin blocks 115 a, b and radiator grids 115 a, b connected to each other arranged.
• the radiator 101 - here is only one of the two correspondingly formed, on both sides of the tube-fin block 115 a arranged coolant boxes 110 shown - a tilted coolant box 110, consisting of a coolant box bottom 111 and a with the coolant box bottom 111 connected coolant box lid 112, on.
• a plane is formed in the coolant-box bottom 111, which is indicated in FIG. 1, for tube 114, in this case flat tubes 114, the tube-rib block 115 a provided.
• a coolant box bottom 111 may also be slightly curved in this connection region with corresponding receiving openings 113.
• a closure plane 117 between the coolant box bottom 111 and the coolant box lid 112 or a box bottom plane 117 is tilted by a predeterminable angle 141, in this case an acute angle of approximately 20 ° 140 to a connection plane 118 between the coolant box bottom 111 and the tube-fin block 115 a and the radiator network 115 a and a formed by the receiving openings 113 tube-bottom plane 118 aligned.
• the closure plane 117 is oriented obliquely 140 and not perpendicular to the tube / fin block 115 a or to the cooler network 115 a, ie. Illustrated is the coolant box 110 and the coolant box lid 112 - with respect to the tube-fin block 115 a and the radiator network 115 a - inclined 140 formed.
• this inclined position 140 is realized by virtue of the coolant box bottom 111 being a component which is substantially open in the direction of the coolant box lid 112 and closable with the coolant box lid 112 by means of closure means 150 and substantially wedge-shaped in cross section is trained.
• the size or the height of the inclination 140 or of the inclination angle 141 depends on the size of a collector 120 of the flat tube capacitor 102 and the space required for the closure technique 150, by means of which the coolant box lid 112 with thedeschkas- tenêt 111 at Radiator 101 is connected.
• the inclination 140 may also be, without limiting the general validity, depending on the size of the coolant box 110, in particular its width, or the size of the coolant box bottom 111, in particular its width, or the size of other components adjacent to the coolant box 110, similar to the collector 120, his.
• the box-bottom connection of the radiator 101 is on the side of the flat tube capacitor 102 outside of the Kondensationsammlers 120th
• connection flange 116 is provided for an inflow and outflow of the coolant.
• the flat-tube condenser 102 here only one of the two correspondingly formed collectors 120 arranged on both sides of the tube-fins block 115 b-has a condenser 120, in short a collector, of substantially circular cross-section 120, which - not visible - receiving openings 123 for flat tubes 124 of the tube-fin block 115 b has.
• the radiator 101 has, as is known, due to its use for engine cooling and the associated larger amount of necessary coolant compared to the capacitor 102, a larger, ie deeper, design than this, but according to the invention in the oblique arrangement of the coolant box 110 of the radiator 101 at a lower Distance 119 between the mutually parallel heat exchangers and thus to lower, ie less deep, overall dimension of the combined arrangement leads.
• the or the coolant box bottom 111 are made of an aluminum material, whereby the connection between the tube-rib block 115 a and the flat tubes 114 and the or the coolant box bottoms can be produced in a conventional manner.
• FIGS. 1 to 4 and 6 show here a crimp closure 150 with circumferential crimp edges on the plastic cover 112 and on the aluminum base 111, wherein the closure 150 is effected by virtue of the fact that the plastic cover
• coolant box lid 112 As a result, ie by the design of the coolant box lid 112 as a plastic part, can - not shown here - additional holder, for example, for add-on components such as fans, intercooler, oil cooler, or holder for mounting, for example in a vehicle, be made easier and cheaper to the cooling module 100.
• additional holder for example, for add-on components such as fans, intercooler, oil cooler, or holder for mounting, for example in a vehicle, be made easier and cheaper to the cooling module 100.
• the other components of the monobloc cooling module 100 are made of an aluminum material, which are soldered in a single soldering process according to the known Nocolok method.

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Citations (9)

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• 2006
  • 2006-02-16 EP EP06723051A patent/EP1853868A1/de not_active Withdrawn
  • 2006-02-16 CN CNA2006800050979A patent/CN101120224A/zh active Pending
  • 2006-02-16 WO PCT/EP2006/001437 patent/WO2006087201A1/de active Application Filing
  • 2006-02-16 US US11/816,476 patent/US20080105415A1/en not_active Abandoned
  • 2006-02-16 JP JP2007555530A patent/JP4653816B2/ja not_active Expired - Fee Related

Patent Citations (9)

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