WO2009007168A1 - Wärmeaustauschsystem mit einem wärmetauscher, sowie ein verfahren zur herstellung eines wärmeaustauschsystems - Google Patents
Wärmeaustauschsystem mit einem wärmetauscher, sowie ein verfahren zur herstellung eines wärmeaustauschsystems Download PDFInfo
- Publication number
- WO2009007168A1 WO2009007168A1 PCT/EP2008/056366 EP2008056366W WO2009007168A1 WO 2009007168 A1 WO2009007168 A1 WO 2009007168A1 EP 2008056366 W EP2008056366 W EP 2008056366W WO 2009007168 A1 WO2009007168 A1 WO 2009007168A1
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- WO
- WIPO (PCT)
- Prior art keywords
- heat exchanger
- heat
- heat exchange
- exchange system
- cooling
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 230000000930 thermomechanical effect Effects 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims description 30
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- 238000005260 corrosion Methods 0.000 claims description 14
- 230000007797 corrosion Effects 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 239000012809 cooling fluid Substances 0.000 claims description 11
- 238000005476 soldering Methods 0.000 claims description 11
- 239000010410 layer Substances 0.000 claims description 6
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000003595 mist Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000005219 brazing Methods 0.000 claims 1
- 230000008021 deposition Effects 0.000 claims 1
- 238000012546 transfer Methods 0.000 description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000003570 air Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 11
- 241000446313 Lamella Species 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 239000002826 coolant Substances 0.000 description 6
- 230000006378 damage Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 4
- 238000009736 wetting Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
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- 238000004448 titration Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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
- F28D1/053—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 the conduits being straight
- F28D1/0535—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 the conduits being straight the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
- F28D1/05375—Assemblies of conduits connected to common headers, e.g. core type radiators with particular pattern of flow, e.g. change of flow direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/003—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to inverters
-
- 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
- F28D5/00—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, using the cooling effect of natural or forced evaporation
- F28D5/02—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, using the cooling effect of natural or forced evaporation in which the evaporating medium flows in a continuous film or trickles freely over the conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
- F28F19/06—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of metal
-
- 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
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
- F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/36—Temperature of vehicle components or parts
-
- 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
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2260/00—Heat exchangers or heat exchange elements having special size, e.g. microstructures
- F28F2260/02—Heat exchangers or heat exchange elements having special size, e.g. microstructures having microchannels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/26—Safety or protection arrangements; Arrangements for preventing malfunction for allowing differential expansion between elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
Definitions
- the invention relates to a heat exchange system with a heat exchanger, and a method for producing a heat exchange system according to the preamble of the independent claim of the respective category.
- Heat exchangers are used in refrigerators, e.g. in ordinary
- the laminated heat exchangers serve, like all types of heat exchangers, to transfer heat between two media, for example, but not only, to transfer from a cooling medium to air or vice versa, as is known, for example, from a classic household refrigerator in which heat is released to the ambient air via the heat exchanger for generating a cooling capacity in the interior of the refrigerator.
- the ambient medium outside the heat exchanger e.g. Water, oil or often simply the ambient air, which absorbs heat or transfers heat to the heat exchanger, for example, is either cooled or heated accordingly.
- the second medium may e.g. be a liquid refrigerant or heat transfer or a vaporizing or condensing refrigerant.
- the surrounding medium e.g. the air has a much lower heat transfer coefficient than the second medium, e.g. the coolant used in the
- Heat exchanger system circulates. This is compensated by greatly different heat transfer surfaces for the two media:
- the medium with the high heat transfer coefficient flows in the tube, which on the outside by thin sheets (ribs, fins) has a greatly enlarged surface at which the heat transfer, for. takes place with the air.
- Fig. 6 shows a simple example of such a known laminated heat exchanger.
- the lamellar spacing is chosen differently for different applications. However, purely thermodynamically, it should be as small as possible, but not so small that the air-side pressure loss is too large. An economic optimum is about 2 mm, which is a typical value for condenser and recooler.
- the efficiency is essentially determined by the fact that the heat that is transferred between the fin surface and the air, must be transmitted through heat conduction through the fins to the pipe. This heat transfer is more effective, the higher the conductivity or the thickness of the lamella, but also the smaller the distance between the
- Pipes is. This is called the lamella efficiency. As a lamellar material is therefore nowadays predominantly aluminum used, which has a high thermal conductivity (about 220 W / mK) to economic conditions. The pipe pitch should be as small as possible, but this leads to the problem that you need many pipes. Many pipes mean high costs because the pipes (usually made of copper) are considerably more expensive than the thin aluminum fins. This material costs could be reduced by reducing the pipe diameter and the wall thickness, ie you build a heat exchanger with many small pipes instead of few big pipes. Thermodynamically, this solution would be optimal: very many tubes in close proximity with small diameters. However, a significant cost factor is also the working time for expanding and soldering the pipes. This would increase extremely with such a geometry.
- minichannel or microchannel heat exchangers have been developed, which are manufactured by a completely different process and almost correspond to the ideal of a laminated heat exchanger: many small tubes with small spacings.
- profiles can not be widened and they are not pushed into stamped plate packs. Instead, for example, be placed between two closely spaced profiles (common distances, for example, ⁇ 1 cm) metal strips, especially aluminum sheet strips, so that by alternating juxtaposition of metal strips and profile a heat exchanger package is created. This package is then completely soldered in a soldering oven. Such a packet shows e.g. Fig. 3.
- a disadvantage is the complicated manufacturing process that requires a soldering oven, the limited dimensions, which are predetermined by the soldering oven, the limited circuit option (pass number), but especially the complex connection system (distribution and manifold)
- mini-channel heat exchangers In mobile use, mini-channel heat exchangers have established themselves during the 1990s. The low weight, the small block depth and the limited dimensions that are required here are the ideal conditions for this. Car coolers and condensers and evaporators for car air conditioning systems are today almost exclusively realized with mini-channel heat exchangers.
- Aluminum use in the extruded sections is relatively high, so that hardly any cost advantage was expected from the use of materials.
- hybrid coolers or hybrid dry coolers are known, such. are disclosed in WO90 / 15299 or EP 428647 B1, in which the gaseous or liquid medium to be cooled of the primary cooling circuit flows through a lamella heat exchanger, and deliver the dissipated heat through the cooling fins partly as sensitive and partly as latent heat to the air flow.
- One or more fans promote the flow of air through the heat exchanger and advantageously have variable speed.
- the dissipation of the latent heat is carried out by a liquid medium, preferably water, which is adapted to its specific values such as conductivity, hardness, content of carbonates and each is applied as a drop-forming liquid film on the air side heat transfer surface. Immediately below the heat exchanger elements, the excess water drips into one
- Hybrid heat transfer is thus understood to mean the considerable improvement in the heat transfer of fin heat exchangers with pipes by targeted wetting or spraying of water.
- it is especially necessary to regulate the air velocity in the disk pack in such a way that the water titration on the disk surface does not occur. This is advantageously achieved by a speed control of the fans or by other suitable measures.
- the quality of the circulating or Besprühungswassers high demands are made in terms of pH, water hardness, chlorine content, conductivity, etc., to prevent on the one hand deposits on thickening on the lamella by evaporation, on the other hand too high Content of chemically reactive Form substances, which in turn can lead to corrosion together with the deposits.
- a major disadvantage is that the cost of manufacturing and corrosion protection of the heat exchanger walls in hybrid operation is very expensive.
- Another way of obtaining greater heat transfer performance is, in principle, by combining several individual heat exchange components, e.g. through the interconnection of AI-MCHX modules, attempts to achieve greater exchange rates.
- the object of the invention is therefore to provide an improved heat exchange system that overcomes the problems known from the prior art and with the particular high cooling performance with minimal wear and low cost, especially in large stationary systems, but also in mobile systems are reachable.
- Another object of the invention is to provide a method for producing such a heat exchange system.
- the invention thus relates to a heat exchange system with a heat exchanger for exchanging heat between a fluid and an ambient atmosphere.
- the heat exchanger in this case comprises an inlet channel, an outlet channel and a heat exchanger with a plurality of microchannels, wherein the inlet channel with an inlet segment of the heat exchanger, and the outlet channel with an outlet segment of the heat exchanger is flow-connected such that the fluid to
- the heat exchange system comprises a compensating means for compensating for thermomechanical stresses.
- the invention relates, inter alia, to a heat exchange system, in particular for refrigeration and air conditioning systems, and more specifically relates to brazed, especially but not exclusively, aluminum heat exchangers for hybrid or non-hybrid cooling of, for example, a liquid refrigerant medium or for liquefaction of Refrigerants, in a particular embodiment with a water-wettable or besprühbaren, air-side heat transfer surface over which a cooling medium can be circulated or completely evaporated.
- a thermal expansion of the components resulting in the operating state in order to increase operational safety and leakage safety is compensated by suitable connection techniques.
- the invention may be particularly advantageous in cold conditions, for example, are widely used below room temperature, for example at -30 0 C, or at even lower temperatures, including during operation of a heat exchanging system as an evaporator or air cooler in a cold store or to be cooled spaces and defrosting by the hot gas ,
- the present invention proves when interconnecting several cooling modules to increase the cooling capacity.
- the avoidance of thermo-mechanical stresses takes place according to the invention by compensators, which allow the individual modules, for example, in terms of the pipe connection point can compensate for stress.
- in particular embodiments of the present invention in particular aluminum foils soldered to the modules are used.
- Corrugated tubes, flexible hoses or other fasteners proposed that can compensate for thermo-mechanical stresses.
- materials for example, in the case of corrugated pipes or in the case of similar solid bonding techniques, solderable aluminum alloys, for example, but not necessarily, with a small magnesium content in question.
- solderable aluminum alloys for example, but not necessarily, with a small magnesium content in question.
- These flexible connections can also be realized by appropriate distances between headers and connection points, possibly also in the form of U-bends.
- V-shaped or W-shaped heat exchange systems for example, a central, located in the middle collection tube for a temperature compensation can be provided.
- the present invention is particularly applicable when very large cooling capacities are required, and therefore where the interconnection of more than two, three or more than four modules must be provided.
- the invention also relates to hybrid recoolers or condensers, i. Heat exchange systems in which a heat exchange surface is additionally provided with a cooling fluid, e.g. is wetted or sprinkled with water, oil or other fluid for heat exchange.
- a cooling fluid e.g. is wetted or sprinkled with water, oil or other fluid for heat exchange.
- the compensation means is a stretchable and / or a flexible connecting means, in particular a corrugated tube and / or a flexible hose, in particular a connecting plate and / or another suitable compensation means, preferably made of a metal or a metal alloy, but in particular also eg can be made of a plastic, a composite material or other suitable material.
- At least two in a heat exchange system according to the invention Heat exchanger provided and / or the at least two heat exchangers are connected via a collecting inlet line and / or via a Sammelauslasstechnisch for supply and discharge of a cooling fluid.
- the required heat transfer capacity can be adapted very flexibly, depending on the requirements, in a special case.
- the heat exchange system may comprise a heat exchange body, so that from the heat exchange body and the heat exchanger
- Heat exchanger package is formed.
- the heat exchange body may e.g. a known per se cooling plate or a cooling fin or other suitable heat exchange body, as it is known per se from the prior art.
- the heat exchange system includes a plurality of heat exchangers and / or a plurality of heat exchangers and / or a plurality of heat exchangers and / or a plurality of heat exchanger packages, and is particularly configured as a modular heat exchange system. It is particularly preferably designed as a modularly expandable and / or modularly reducible heat exchange system which is very flexible for changing requirements, e.g. It is easy and inexpensive to adapt to changing heat exchanger performance requirements, without having to replace the entire heat exchange system in a corresponding case.
- the inventive compensation means may be provided between different components of the heat exchange system.
- the compensation means between the heat exchanger and / or the inlet channel and / or the outlet channel may be provided.
- / or the compensation means may be provided between the heat exchanger and / or the collection inlet line and / or the collection outlet line and / or be provided between the heat exchange body and the heat exchanger and / or between two heat exchanger packages.
- two heat exchangers and / or two heat exchangers and / or two heat exchanger packages are arranged at a predeterminable angle to each other, in particular parallel and / or V-shaped and / or W-shaped arranged to each other.
- inlet channel itself, and / or the outlet channel and / or the inlet segment and / or the outlet segment and / or the collection inlet line and / or the collection outlet line and / or the heat exchanger packet to be designed as compensating means, by eg are designed in the form of a corrugated tube or an elastic or stretchable tube or in any other suitable form as compensation means.
- a heat exchange system may comprise a cooling device for cooling the heat exchanger, in particular, a fan for generating a gas flow in a conventional manner may be provided on the heat exchanger.
- the heat exchange system may be formed as a hybrid system, and a sprinkler for sprinkling the heat exchanger with a cooling fluid, in particular with cooling water or cooling oil include, and / or there may be a mist eliminator, e.g. be provided in the form of a trough for the separation and collection of the cooling fluid.
- the heat exchanger and / or the heat exchanger and / or the compensation means and / or the heat exchange body and / or the heat exchanger package in particular the entire Heat exchange system, made of a metal or a metal alloy, in particular of a single metal or a single metal alloy, in particular made of stainless steel, in particular made of aluminum or an aluminum alloy.
- a so-called sacrificial metal may be provided, e.g. in a manner known to those skilled in an electrochemical corrosion process in favor, that is corroded while preserving another metallic component of the inventive heat exchange system.
- Heat exchange system is at least partially provided with a protective layer, in particular with a corrosion protection layer, which may be, for example, a corrosion protective coating, a thermal spray coating, a galvanic layer or other suitable corrosion protection layer.
- a corrosion protection layer which may be, for example, a corrosion protective coating, a thermal spray coating, a galvanic layer or other suitable corrosion protection layer.
- the heat exchange system with a laminated heat exchanger withâlammelen may be formed as a combination heat exchanger.
- a heat exchange system of the present invention may be advantageously used in a variety of technical fields.
- the heat exchange system may be a radiator, in particular a radiator for a vehicle, in particular for a land vehicle, for an aircraft or for a watercraft, or a radiator, condenser or evaporator for a mobile or stationary heating system Cooling system or an air conditioner, in particular a cooler device for a machine or a building.
- the invention further relates to a method for producing a heat exchange system according to the present invention, wherein preferably a soldering method and / or a welding method is used.
- the heat exchange system is produced in a soldering furnace, wherein in particular the components of the heat exchange system are mechanically connected and then soldered in a soldering step.
- the heat exchange system after soldering in a conventional manner at least partially provided with a protective layer, in particular with a corrosion protection layer and / or with a sacrificial metal.
- Fig. 1 shows a first embodiment of an inventive
- FIG. 2 shows a heat exchanger with microchannels in section along the section line I-I according to FIG. 1;
- Fig. 5 arranged a heat exchange system with V-shaped
- Fig. 6 is a laminated heat exchanger for forming a
- Fig. 7 heat exchange system as a hybrid system
- Fig. 1 shows a schematic representation of a first simple
- the inventive heat exchange system 1 of Fig. 1 has as an essential element a heat exchanger 2 for exchanging heat between a fluid 3, e.g. a cooling liquid 3 and a
- the heat exchanger 2 comprises an inlet channel 4, an outlet channel 5 and a heat exchanger 6 with a multiplicity of microchannels 61.
- the heat exchanger 6 is therefore a microchannel or mini-channel system 6 known per se.
- the inlet channel 4 is connected to an inlet segment 62 of the heat exchanger 6 and the outlet channel 5 is fluidly connected to an outlet segment 63 of the heat exchanger 6 such that the fluid 3 exchanges heat with the ambient atmosphere from the inlet channel 4 via the inlet segment 62, through the plurality of microchannels 61 of the heat exchanger 6, and finally via the outlet segment 63 Outlet channel 5 can be fed. It is essential to the invention that the heat exchange system 1 of FIG.
- FIG. 1 comprises a compensating means 7 for compensating for thermomechanical stresses, which in the present case is between the inlet channel 4 and the heat exchanger 6 or between the outlet channel 5 and the heat exchanger 6, so that between the Inlet channel 4 and / or the heat exchanger 6 and / or the outlet channel 5 occurring thermo-mechanical stresses can be compensated.
- FIG. 2 schematically shows a heat exchanger 6 with microchannels 61 in section along the section line I-I according to FIG. Instead of small tubes, as already mentioned, mini-channel heat exchangers 6, for example, used extruded aluminum sections which have very many small channels 61 with a diameter of, for example, about 1 mm.
- the heat exchanger according to FIG. 2 can be produced, for example, in a suitable extrusion method, simply and in a variety of forms from a multiplicity of materials.
- the heat exchanger according to FIG. 2 can be produced in another embodiment variant not explicitly illustrated in FIG. 2, but also by other production methods such as, for example, the assembly of suitably shaped profile sheets or other suitable methods.
- a heat exchange system 1 according to the present invention may also be formed by a plurality of heat exchange bodies 10 as a heat exchanger package 11, which may form a total heat exchange system 1 according to the invention.
- the heat exchange bodies 10 are cooling plates 10, which are arranged in a manner known per se between two heat exchangers 6, e.g. are shown schematically in Figs. 1 and 2, are arranged in V- or W-shape.
- FIGS. 4, 4 a and 4 b can be used particularly advantageously in practice, but not only then, when changing heat transfer capacities have to be expected.
- a heat exchange system 1 according to the invention is used as a cooling system for cooling a large building complex or a machine park, the size of which must be redimensioned over the course of time, ie reduced or enlarged, so that a smaller or larger heat transfer capacity becomes necessary.
- the heat exchanger 2 and the heat exchanger 6 for example, also V-shaped or partially in V-shaped arrangement according to Fig. 4a, or in planar parallel arrangement according to Fig. 4b or in any other suitable arrangement with respect to each other or in relation be arranged on the collecting inlet line 8 and / or the collecting outlet 9.
- a heat exchange system 1 according to the invention can have a length L of up to 6 m, in particular between 6 m and 12 m, or even larger dimensions. It is understood that a heat exchange system according to the invention can also be significantly smaller than 6m, e.g. only 1 m or even smaller in size.
- a heat exchange system of the present invention can be easily exposed even very large temperature differences or temperature fluctuations up to 120 0 C and more, without any damage or impairment of the function is to be feared. Thanks to the compensation means 7 according to the invention, which may be all or only partially flowed through by the fluid 3, the heat exchange system of the present invention also copes with large changes in length far into the percentage range relative to a length L of the heat exchange system 1. It is understood that under the length L of the heat exchange system 1 may be any linear extent L depending on the type of execution.
- a heat exchanger 6 or a heat exchanger 2 can be easily removed or added in an inventive heat exchange system 1 according to FIG. 4, FIG. 4a or FIG. 4b, so that the heat exchange performance of the heat exchange system 1 can be adapted extremely flexibly to changing requirements.
- Fig. 5 shows a heat exchange system 1 with V-shaped heat exchangers 2, as shown in Fig. 1 e.g. are shown in detail, wherein for improving the cooling capacity in addition a fan 12, 121 is provided for generating a gas flow.
- Fig. 6 shows for clarity a known laminated heat exchanger 16 with cooling fins 161, as it can be used in very specific embodiments of the present invention, for example, to form a combination heat exchanger. That is, a heat exchange system 1 of the present invention may be used for very specific applications in addition to a heat exchanger 6 having a plurality of Micro channels 61 simultaneously include a heat exchanger 16 with cooling fins 161.
- the heat exchange system 1 according to FIG. 7 can be designed as a hybrid system 1, 101.
- a sprinkling device 13 is preferably provided for sprinkling the heat exchanger 6 with an external cooling fluid 14, in particular with cooling water 14 or cooling oil 14.
- the particular embodiment of FIG. 7 additionally includes a droplet separator 15 in the form of a tray 15 for separating and collecting the external cooling fluid 14 so that the external cooling fluid 14 can be recirculated in an external cooling system 1000 for cooling the external cooling fluid 14 and for further cooling of the heat exchanger 2 this can be fed again via the sprinkler 13.
- the present invention it is possible for the first time to get to greater heat transfer performance by greater interconnected services can be achieved by interconnecting several individual heat exchange components, eg by the interconnection of AI-MCHX modules, without having to fear that the heat exchange system thermomechanical stresses suffered damage. That is, the known from the prior art problem of temperature stresses in the modules or connection points, which often lead to damage or even destruction of the heat exchanger system, so that in practice so far in this way large enough amounts of heat were not interchangeable, is completely eliminated by the present invention.
- Heat exchangers with hot gas or cooling medium flow temperatures of up to 120 0 C are observed to be reinforced, represent by using a heat exchange system according to the invention now no longer a problem.
- the heat exchange system of the present invention can be used very advantageously.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2010000398A MX2010000398A (es) | 2007-07-09 | 2008-05-23 | Sistema cambiador de calor teniendo un cambiador de calor, y metodo de produccion de sistema cambiador de calor. |
AU2008274447A AU2008274447A1 (en) | 2007-07-09 | 2008-05-23 | Heat exchanging system having a heat exchanger, and a method for manufacturing a heat exchanging system |
JP2010515438A JP2010532859A (ja) | 2007-07-09 | 2008-05-23 | 熱交換器を有する熱交換装置、および熱交換装置の製造方法 |
EP08759967A EP2176615A1 (de) | 2007-07-09 | 2008-05-23 | Wärmeaustauschsystem mit einem wärmetauscher, sowie ein verfahren zur herstellung eines wärmeaustauschsystems |
CN200880023930A CN101730829A (zh) | 2007-07-09 | 2008-05-23 | 具有换热器的换热系统和用于制造换热系统的方法 |
US12/667,932 US20100254081A1 (en) | 2007-07-09 | 2008-05-23 | Heat exchange system with a heat exchanger and a method for the manufacture of a heat exchange system |
CA2697348A CA2697348A1 (en) | 2007-07-09 | 2008-05-23 | Heat exchange system with a heat exchanger and a method for the manufacture of a heat exchange system |
BRPI0813641-6A2A BRPI0813641A2 (pt) | 2007-07-09 | 2008-05-23 | Sistema de troca de calor com um trocador de calor e método para a fabricação do sistema de troca de calor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07112060 | 2007-07-09 | ||
EP07112060.4 | 2007-07-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009007168A1 true WO2009007168A1 (de) | 2009-01-15 |
Family
ID=39200004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/056366 WO2009007168A1 (de) | 2007-07-09 | 2008-05-23 | Wärmeaustauschsystem mit einem wärmetauscher, sowie ein verfahren zur herstellung eines wärmeaustauschsystems |
Country Status (10)
Country | Link |
---|---|
US (1) | US20100254081A1 (de) |
EP (1) | EP2176615A1 (de) |
JP (1) | JP2010532859A (de) |
CN (1) | CN101730829A (de) |
AU (1) | AU2008274447A1 (de) |
BR (1) | BRPI0813641A2 (de) |
CA (1) | CA2697348A1 (de) |
MX (1) | MX2010000398A (de) |
RU (1) | RU2010104252A (de) |
WO (1) | WO2009007168A1 (de) |
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WO2011084364A3 (en) * | 2009-12-16 | 2011-11-24 | Lennox International, Inc. | Microchannel coil manifold system |
US9546804B2 (en) | 2009-12-16 | 2017-01-17 | Heatcraft Refrigeration Products Llc | Microchannel coil spray system |
DE102020003270A1 (de) | 2020-06-01 | 2021-12-02 | Helmut Mainka | Ausgleichselement für den Längenausgleich von Verbindungsmuffen für flüssigkeits- oder gasführende Leitungen |
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US20110139410A1 (en) * | 2009-12-16 | 2011-06-16 | Lennox International, Inc. | Floating Coil Heat Exchanger |
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US9279625B2 (en) * | 2013-10-29 | 2016-03-08 | Caterpillar Inc. | Heat sink device for power modules of power converter assembly |
US20160146551A1 (en) * | 2014-11-26 | 2016-05-26 | Enterex America LLC | Heat exchanger assembly |
JP2016164062A (ja) * | 2015-02-27 | 2016-09-08 | 株式会社デンソー | 車両用空調装置 |
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WO2024069861A1 (ja) * | 2022-09-29 | 2024-04-04 | 日本電気株式会社 | 熱交換装置および冷却装置 |
WO2024069869A1 (ja) * | 2022-09-29 | 2024-04-04 | 日本電気株式会社 | 熱交換装置および冷却装置 |
CN117628946B (zh) * | 2024-01-23 | 2024-04-05 | 中国核动力研究设计院 | 一种换热器及换热系统 |
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Also Published As
Publication number | Publication date |
---|---|
CN101730829A (zh) | 2010-06-09 |
JP2010532859A (ja) | 2010-10-14 |
BRPI0813641A2 (pt) | 2014-12-23 |
CA2697348A1 (en) | 2009-01-15 |
MX2010000398A (es) | 2010-05-03 |
US20100254081A1 (en) | 2010-10-07 |
RU2010104252A (ru) | 2011-08-20 |
AU2008274447A1 (en) | 2009-01-15 |
EP2176615A1 (de) | 2010-04-21 |
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