CN104596085A - Heat exchanger - Google Patents

Heat exchanger Download PDF

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Publication number
CN104596085A
CN104596085A CN201410593713.3A CN201410593713A CN104596085A CN 104596085 A CN104596085 A CN 104596085A CN 201410593713 A CN201410593713 A CN 201410593713A CN 104596085 A CN104596085 A CN 104596085A
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CN
China
Prior art keywords
load
carrying unit
heat exchanger
fluid
fluid passage
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.)
Granted
Application number
CN201410593713.3A
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Chinese (zh)
Other versions
CN104596085B (en
Inventor
斯特凡·赫里希
曼纽尔·沃尔斯基
弗罗林·莫尔多万
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mahle International GmbH
Original Assignee
Bridle Behr & Co GmbH
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 Bridle Behr & Co GmbH filed Critical Bridle Behr & Co GmbH
Publication of CN104596085A publication Critical patent/CN104596085A/en
Application granted granted Critical
Publication of CN104596085B publication Critical patent/CN104596085B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00Machines, plants or systems, using electric or magnetic effects
    • F25B21/02Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • F25B21/04Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect reversible
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00Machines, plants or systems, using electric or magnetic effects
    • F25B21/02Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00Heat-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/08Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/617Types of temperature control for achieving uniformity or desired distribution of temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/657Means for temperature control structurally associated with the cells by electric or electromagnetic means
    • H01M10/6572Peltier elements or thermoelectric devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/66Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • H01M10/6568Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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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)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electromagnetism (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Abstract

A heat exchanger is provided, in particular for a motor vehicle, with at least one thermoelectric element (28, 28a, 28b) to generate a heat flow, wherein the thermoelectric element (28, 28a, 28b) is arranged on a carrier element (30, 52, 65), wherein several carrier elements (30, 52, 65) arranged on top of one another along a stacking spindle (50) form a carrier element stack (12, 80), in which a first fluid channel (16) for a first fluid and a second fluid channel (18) for a second fluid, fluidically separated from the first, are constructed.

Description

Heat exchanger
Technical field
The present invention relates to a kind of heat exchanger, in particular for the heat exchanger of motor vehicle, it is especially used for regulating the temperature of at least one energy-storage travelling wave tube.
Background technology
When applying modern pure power-actuated motor vehicle, because the energy storage density of battery is little, so limited energy can only be provided.Therefore, especially when continuing pusher motor-car electrified, especially relevant with the heating and cooling task of motor vehicle energy efficiency plays an important role.Such as, if need energy to carry out heater motor train compartment in winter, then this point such as correspondingly may reduce the cruising range of motor vehicle.Therefore following theory is very meaningful, namely the electric energy provided by battery can not only change into heat energy in 100% ground, but also reach the Energy Efficiency Ratio (COP) higher than " 1 " by using heat pump in heat pump technology, or by utilizing the waste heat from vehicle or surrounding environment to reach higher COP.
In the available heat management of motor vehicle, such as, in order to cooling object or the heating object of engine or other unit, apply cooling agent, this cooling agent circulates in the cooling system of motor vehicle as fluid.Known thermoelectric element (such as peltier-element) realizes electric refrigerating function, wherein also can pump the heat that Energy Efficiency Ratio is greater than " 1 " when heating by thermoelectric element.
Heat pump has heat exchanger, and this heat exchanger makes the higher temperature level brought up to from the used heat of first fluid stream and/or waste heat in second fluid by thermoelectric element (TE-element), and provides as available heat.This available heat then such as can be used as calandria, and therefore can be used to heated vehicle compartment.
In addition meaningfully, in electric motor car or hybrid electric vehicle, such as apply modern high performance battery (it is made up of some single battery unit), the temperature of these heavy-duty batteries is in when motor vehicle runs in certain temperature range, to guarantee the efficiency of battery and/or motor vehicle, function and security.On the one hand when lower than suitable running temperature, the efficiency of battery unit can clearly decline, and these battery units can produce very high loss power.On the other hand, if run on suitable temperature range, inside battery reacts, then can cause irreversible damage.In addition, in order to avoid the uneven of single battery unit and strengthen thereupon aging, the temperature difference in the inner and whole battery structure of single battery unit should not exceed the limiting value specifically preset.Due to this reason, regulating cell temperature must be carried out with the form of cooling or heating.
The also known heat exchanger with two fluid side, thus two can be realized independently circulate, carry out the temperature of the different parts of conditioner motor-car.This heat exchanger designs in layered structure mode, and wherein two fluid side are contacted with each other by thermoelectric element.This thermoelectric element is such as known by DE 10 2,009 058673 A1, and wherein, when giving thermoelectric element galvanization, heat is from a fluid pump to another fluid, but these fluids can not contact or confusion.First-class side is used to a part for the fluid circulation of the temperature of the parts (such as battery or high-tension battery) of conditioner motor-car at this.Another fluid side be used to regulate the temperature of at least another parts and/or be used for fluid circulation and surrounding environment between carry out heat conversion fluid circulation a part.
In addition, the also known heat exchanger applied in countercurrent flow configurations mode, wherein cooling agent stream mainly guides in the metal parts closed (such as dull and stereotyped, sheet metal).Then, this heat can be delivered to thermoelectric element from this plate by heat conduction contact (such as by adhesive).These metal parts are connect by single part group in advance and form, and form liquid-tight connection by soldering processes.Advantageously, this point can complete before thermoelectric element contacts these parts.The soldering processes being used for connecting single parts are cost intensive, and may cause the leakage of component system when implementing inadequately.
Summary of the invention
The object of the invention is the heat exchanger inventing a kind of improvement, it can cool parts as required and heat, and/or it can be used as heat pump to use.
This point is achieved by the heat exchanger with following characteristics: have the thermoelectric element that at least one is used for generating hot-fluid, wherein this at least one thermoelectric element is arranged on load-carrying unit, wherein multiple load-carrying unit formation load-carrying unit stacking being stacked setting along stacking axis, in this load-carrying unit stacking, be provided with the first fluid passage for first fluid and the second fluid passage for second fluid, this second fluid passage arranges come with first fluid channel partition in fluid.
First fluid passage is preferably a part for first fluid circulation, and can be used to the temperature regulating external component or thermoelectric element.Second fluid passage is preferably a part for second fluid circulation, and itself and first fluid circulate in fluid aspect and separate.First and second fluid circulations typically extend abreast with the stacking axis of the load-carrying unit stacking of heat exchanger.Heat can be ejected from thermoelectric element by first fluid, its mode is: first fluid streams this thermoelectric element at least partly, thus can generate hot-fluid.First fluid preferably streams or flows into the surface of thermoelectric element.
These load-carrying units are preferably configured to identical and are therefore duplicates, and they can be made inexpensively.Load-carrying unit is preferably configured to the component of relatively flat, wherein the height being parallel to stacking axis of load-carrying unit is less than the size of the planar extension in load-carrying unit plane, and this load-carrying unit plane substantially vertically extends with stacking axis and is arranged on the inside in boundary line, outside.There is the structure that maximum sized load-carrying unit plane can have band window, such as, can pillar be set, connects block etc.Load-carrying unit can be made as moulding.This point is favourable, because the structure of load-carrying unit stacking can regulate and Modularly manufacture simply, and therefore, it is possible to manufactures heat exchanger inexpensively.Therefore, it is possible to simply to install the compact heat exchanger producing modularization and formed, wherein connect single parts without the need to soldering processes to a great extent.
Heat exchanger preferably has base member and the cover component of closed load-carrying unit stacking.Load-carrying unit is stacked in this and can closes along stacking axis on direction extending longitudinally from both sides.Cover component and/or the load-carrying unit of base member above this can be or the load-carrying unit of below, and the load-carrying unit forming carrying thermoelectric element.At this, preferably first fluid circulation and/or second fluid are circularly set interface (especially adpting flange or connecting branch).This cover component and/or base member are configured to identical or similar with other load-carrying unit substantially, but also can have different structures and/or the structure different from load-carrying unit.
Load-carrying unit especially preferably synthetic material load-carrying unit and there is the framework of synthetic material, first fluid passage and second fluid channel setting are in the framework of this synthetic material.This at least one thermoelectric element arranges (being preferable over centre) on the load-carrying unit of synthetic material.But also above preferably multiple thermoelectric element can be set in a cluster at load-carrying unit (especially the load-carrying unit of synthetic material).The load-carrying unit of synthetic material is duplicate, and can pile up composition load-carrying unit stacking simply by being stacked.
This load-carrying unit has substantially in boundary line, polygonal outside in make.In the simplest structural scheme, load-carrying unit is configured to square, and has substantially in foursquare bottom surface, and this bottom surface has four sides, and these sides form boundary line, four outsides.At this, the angle between side line is configured to wedge angle or rounding.In special structural scheme, load-carrying unit has octagonal bottom surface, and boundary line, outside has eight side surfaces.These side surfaces have different length at this.
Preferably in load-carrying unit, arrange spacer assembly, first fluid passage and second fluid passage can be separated by this spacer assembly respectively.Spacer assembly preferably realizes the heat isolation between the first and second fluid passages.Spacer assembly can be such as be made up of non-thermally conductive material connect block.Spacer assembly is preferably integrally constituted with load-carrying unit, and has the combination connecing block connecing block or be made up of the synthetic material of load-carrying unit.
First and second fluid passages preferably have the first and second partial fluid passages respectively, and the first and second partial fluid passages can be connected by least one spout hole in load-carrying unit.First fluid passage, local and the second fluid passage, local preferably extend with stacking axis at this at least piecemeal abreast.First fluid passage, local of first fluid passage is preferably relative on load-carrying unit with the second fluid passage, local and put, and therefore can produce the local flow with stacking axis vertical orientation by thermoelectric element.At this, at least one spout hole is preferably set, first fluid can be discharged by this spout hole and can be flowed by thermoelectric element perpendicular to stacking axis from the first fluid passage, local of first fluid passage, and arrange at least one second spout hole, it can make fluid enter in the second fluid passage, local of first fluid passage.First local channel of second fluid passage is connected by interface channel with the second local passage capable of being is enough, and this interface channel separates to come with the flow path of first fluid passage in fluid.
Base member and/or cover component preferably arrange Connection Element, be used for by first and/or second fluid passage and first and/or second fluid circulate and couple together.Fluid circulates in the part that this can be the cooling system of motor vehicle, but also can be configured to the independent cool cycles separated with it.
In the preferred structural scheme of heat exchanger, load-carrying unit is arranged like this, and namely they can be deposited in around stacking axis at center.This at least one thermoelectric element is preferably medially arranged about stacking axis.
Preferably liquid-tight connection is set between load-carrying unit and thermoelectric element.It especially can be realized by the interconnection technique of machinery, such as clip, draw-in groove, welding, stickup or casting.
In structural scheme, the load-carrying unit being stacked accumulation is directed in the same manner, or reverses 90 ° respectively towards stacking axis with arranging.Load-carrying unit (especially adjacent load-carrying unit) mutually relatively torsionally can be arranged with the angle of 90 °, 180 ° or 270 ° in perpendicular to the plane of stacking axis.At this, load-carrying unit is preferably connected mutually in liquid-tight manner, and load-carrying unit is connected in liquid-tight manner with thermoelectric element.
Preferably can arrange flat tube, they and thermoelectric element are in thermo-contact state, preferably directly and it be in thermo-contact state.These flat tubes can be connected with load-carrying unit in liquid-tight manner.This thermo-contact is preferably set up by conductive adhesive, and it is arranged between the outer wall of flat tube and thermoelectric element.At this advantageously, first fluid is not directly contact with thermoelectric element.
Load-carrying unit is preferably made up of a kind of material, such as, be made up of unique synthetic material.Except this carrier element, this load-carrying unit alternatively also can have multiple material elements.At this, load-carrying unit can making by injection moulding by synthetic material.Also hardware can be imbedded in the synthetic material of load-carrying unit.At this, the electrical connection of thermoelectric element can be realized by hardware.This load-carrying unit is mechanically strengthened by embedding glass fibre and/or carbon fiber.
This thermoelectric element is preferably configured to peltier-element.This thermoelectric element is preferably connected in locking manner with load-carrying unit material, such as, be pasted together.Thermoelectric element also can be connected with load-carrying unit to force closure, such as pressing.
Under heating state, peltier-element is used for heating the parts treating temperature adjustment as heat pump, and in cooling situation, peltier-element can be used to cool corresponding parts.By the flow direction that turns back to carry out different energisings to the peltier-element in heat exchanger, temperature adjustment can be realized.
Load-carrying unit stacking is preferred on the outside to be surrounded by shape tube, and wherein this shape tube depicts the surface of carrying stacking, and this carrying stacking forms the Internal periphery of pipe.At this advantageously, security can be improved in liquid-tight.This shape tube can be such as connected with load-carrying unit stacking by laser weld in liquid-tight manner.
By accompanying drawing below, other favourable structural scheme is described.
Accompanying drawing explanation
The present invention is set forth in detail based at least one exemplary embodiments below by accompanying drawing.Wherein:
Fig. 1 shows the schematic views of the heat exchanger with load-carrying unit in side view;
Fig. 2 shows the schematic views of the load-carrying unit with thermoelectric element in a top view;
Fig. 3 shows the perspective view of the load-carrying unit of heat exchanger in a top view;
Fig. 4 there is shown the embodiment by the heat exchanger be made up of the stacking load-carrying unit by Fig. 3 of the present invention in perspective seen from above;
Fig. 5 overlooks perspective another embodiment that there is shown load-carrying unit;
Fig. 6 shows the load-carrying unit without thermoelectric element by Fig. 5;
Fig. 7 overlooks perspective the load-carrying unit stacking formed by the load-carrying unit of Fig. 5 and Fig. 6 that there is shown by heat exchanger;
Fig. 8 overlooks perspective another embodiment that there is shown the stacked layers with load-carrying unit;
Fig. 9 is at the load-carrying unit unit overlooking the load-carrying unit that there is shown Fig. 8 of perspective;
Figure 10 there is shown by the load-carrying unit stacking with the framework of synthetic material and the heat exchanger of thermoelectric element of the present invention in overlooking of perspective.
Detailed description of the invention
Fig. 1 there is shown heat exchanger 10 in schematic side-looking, and it has the stacking 12 be made up of stacking sheet 14, and has the fluid passage 16 for first fluid and the fluid passage 18 for second fluid.
The flow path of fluid represents with arrow 17 (fluid 1) and 19 (fluids 2) respectively.Fluid passage 16 and fluid passage 18 in flowing be separately and guide fluid (fluid 1 and fluid 2) respectively, wherein flow path 17 and 19 separates.In addition, the interface 20 and 22 for fluid passage 16 and the interface 24 and 26 for fluid passage 18 is also provided with.This stacking 12 has thermoelectric element 28 (shown in Figure 2).
Fig. 2 shows heat exchanger 10 in a top view.The identical Reference numeral of identical object represents.This thermoelectric element 28 has hidden the most surfaces of stacked layers 14, and this stacked layers also has fluid passage 16 and 18.
In one embodiment, heat exchanger 10 also can be described as water thermosistor (Wasserkonditionierer).It forms by the principle of cross flow one-heat exchanger.At this, first fluid passage 16 and second fluid passage 18 intersect at least partly.In another embodiment, heat exchanger 10 also can be described as waste heat using device (Rekuperator).
Thermoelectric element 28 is arranged on load-carrying unit 30, and is preferably at least mechanically connected with it.Thermoelectric element 28 is preferably arranged on the center of load-carrying unit 30.But the thermoelectric element 28 that also can arrange on load-carrying unit 30 more than, they are arranged side by side and are together in series.Fluid passage 16 and 18 is separately positioned on the fringe region 32 of load-carrying unit 30.
Fig. 3 overlooks perspective the first embodiment that there is shown the load-carrying unit 30 with thermoelectric element 28.Load-carrying unit 30 has framework 34, and this framework is outer boundary and is therefore the boundary line, outside 36 of load-carrying unit 30.Boundary line 36, outside is quadrangle in the load-carrying unit 30 of this embodiment, and has four side line 36a, 36b, 36c, 36d.These side lines 36a, side line adjacent respectively in 36b, 36c, 36d is connected, and forms Connection Element 38a, 38b, 38c, 38d, and therefore boundary line, outside or outline 36 are integrally constituted.This Connection Element 38a, 38b, 38c, 38d can have the profile (in this embodiment) of rounding or angled profile.Set out from this corner elements 38a, 38b, 38c, 38d and be provided with spacer assembly 40a, 40b, 40c, 40d, the fluid passage 16,18 be disposed adjacent respectively can be separated by these spacer assemblys in heat and fluid.From these side lines 36a, 36b, 36c and/or 36d set out and are provided with at least one and meet block 44a, 44b, 44c, 44d, and it is used for improving rigidity.Thus improve the fastness of load-carrying unit.
Second outline line (inner outline 46) arranges parallel with boundary line, outside 36 and spaced apart with it.At this, these meet block 44a, and 44b, 44c and 44d and/or spacer assembly 40a, 40b, 40c and 40d are arranged between external boundary profile 36 and Internal periphery 46.These profiles 36 and 46 come according to the position connecing block 44 they coupled together is spaced.Thermoelectric element 28 is arranged on the center of in-profile 46 substantially.In the embodiment of fig. 2, thermoelectric element 28 is first thermoelectric element 28a, and the second thermoelectric element 28b can be arranged on below the first thermoelectric element 28a, wherein between two thermoelectric element 28a and 28b, is provided with flat tube 48.This flat tube 48 is preferably connected in heat with the first and second thermoelectric element 28a with 28b.The both sides of the fluid passage 18 being used for second fluid couple together by this flat tube 48 in each stacking plane.First fluid flows through flat tube 48 by the aperture in in-profile 46, and arrives at fluid passage 16.
Fig. 4 shows the load-carrying unit stacking 12 of heat exchanger 10, and it is made up of the load-carrying unit 30 by Fig. 3.Load-carrying unit stacking 12 has load-carrying unit 30, and it is provided with single stacked layers 14 along stacking axis 50, and this stacked layers is made up of the load-carrying unit 30 of the first embodiment by Fig. 3.In figure 3 in order to make view clear, from heat exchanger 10, merely illustrate load-carrying unit stacking 12, base member and cover component are not shown.Stacking 12 has the load-carrying unit 30 shown in Fig. 3 as stacked layers, this stacked layers arranges stackedly along stacking axis like this or mutually piles up, and namely fluid passage 16 and 18 substantially can extend abreast with medial axis 50 on direction extending longitudinally.Fluid passage 16 and fluid passage 18 extend substantially in parallel to each other.The thermoelectric element 28 being designed to peltier-element is arranged on load-carrying unit 30, and is preferably arranged on centre, and therefore fluid passage 16 and 18 is arranged on thermoelectric element 28 around.Each adjacent load-carrying unit 30 reverses 90 ° of settings mutually around stacking axis 50 respectively.Load-carrying unit 30 connects mutually in liquid-tight manner, and such as, by pressing or stickup or other suitable interconnection technique, therefore fluid passage 16 and 18 is liquid-tight on the direction of stacking axis 50.Fluid passage 16 and 18 mutually load-carrying unit stacking 14 whole extending longitudinally in heat by spacer assembly 40a, 40b, 40c, 40d keep apart.
Fig. 5 shows the load-carrying unit 52 in another embodiment.The identical Reference numeral of identical object represents.Load-carrying unit 52 has the load-carrying unit sections 54a being arranged on outer contour 36 inside, 54b, 54c, 54d, and one in fluid passage 16 and 18 extends respectively in these load-carrying unit sections, and this outer contour has the shape identical with load-carrying unit 30 substantially.Thermoelectric element 28 is from middle and arrange concentrically with stacking axis 50, and load-carrying unit sections 54a, and 54b, 54c, 54d are arranged on the surrounding of thermoelectric element 28 and are arranged on the inside of outer contour 36.
Thermoelectric element 28 is arranged on the grating element 60 shown in Fig. 6 of load-carrying unit 52, and it has the rib forming wake turbulence grid 64, connects block 62.By these ribs and connect block 62, in load-carrying unit 60, form a kind of hollow structure, fluid can be flowed by this hollow structure and can flow along the surface of thermoelectric element 28, thus can discharge the heat of generation.At load-carrying unit sections 54a, be provided with spacer assembly 40a between 54b, 54c, 54d, 40b, 40c, 40d.
Fig. 7 shows the load-carrying unit stacking 12 be made up of load-carrying unit 52, without base member and without cover component.These load-carrying units 52 adjacent with thermoelectric element 28 are arranged stackedly.At load-carrying unit sections 54a, be respectively arranged with spacer assembly 40a between 54b, 54c and 54d, 40b, 40c, 40d.
Fig. 8 is schematically having an X-rayed the load-carrying unit 65 that there is shown in another embodiment.Load-carrying unit 65 is configured to binary, and the load-carrying unit unit 64b below load-carrying unit unit 64a and second above in the of first, it illustrates in fig .9 again.Load-carrying unit unit 64a has the load-carrying unit sections 66 of binary, and it contains first fluid passage 16, and it is arranged on load-carrying unit sections 68 around from both sides.Middle load-carrying unit sections 68 has rib and connects block 70, and they form wake turbulence grid 64.Thermoelectric element 28 is arranged on rib like this and connects on block 70, and namely they are positioned between the first and second load-carrying unit unit 64a and 64b.Interface 72 (especially towards the electrical interface 72 of thermoelectric element 28) guides outwardly between the first and second load-carrying unit unit 64a and 64b, and this thermoelectric element can by this interface 72 electrical contact.
Except the load-carrying unit sections 66 of binary, the second load-carrying unit unit 64b shown in Fig. 9 also has two load-carrying unit sections 74, and second fluid passage 18 is guided by these two load-carrying unit sections.Load-carrying unit sections 74 does not connect block.Can see load-carrying unit unit 64a and 64b in the view of Fig. 8 and Fig. 9, have overflow ducts 76 between its load-carrying unit 68 in centre and load-carrying unit sections 66, they are separately positioned on the both sides of middle load-carrying unit sections 68.Between load-carrying unit sections 66 and load-carrying unit sections 74, be designed with spacer assembly 78 respectively, particularly when load-carrying unit 52 is made up of the synthetic material of non-conductive, then fluid passage 16 and 18 can separate to come at heat and mechanical aspects by this spacer assembly.Spacer assembly 78 is configured to the groove in load-carrying unit 64.
Figure 10 there is shown load-carrying unit stacking 80 in schematic perspective, it is made up of load-carrying unit unit 64a and 64b, its mode is: load-carrying unit unit 64a and 64b alternately piles up mutually, and wherein stacked layers 82 is made up of load-carrying unit unit 64a and 64b respectively binary.
Load-carrying unit 30,52, all embodiments of 65 are all together, namely form frame structure, and the framework of preferred synthetic material is arranged on thermoelectric element 28,28a, 28b.The framework of synthetic material is made preferably by injection molding technology, and is integrated.By load-carrying unit 30, the structure of the 53 or 64 load-carrying unit stackings 12 formed is alignd along stacking axis 50, namely it is perpendicular to load-carrying unit 30,52, the layer plane of 65 extends, and achieve modularization form, have the cross flow one-heat exchanger 10 of collection channel, these collection channels are formed respectively by fluid passage 16 and 18.Load-carrying unit stacking 12 is closed by base member and cover component (not shown), and this cover component is used to the interface 20,22,24,26 connecting the circulation of each fluid.Between each load-carrying unit 30,52,64a, 64b or 65, liquid-tight connection, by the known method of attachment with potted component, is connected by kayser or clip, and by pasting, pressing or casting and welding are set up.
In addition similar with the embodiment shown in Fig. 3, flat tube can directly be arranged on the surface of heat exchange of thermoelectric element 28,28a, 28b contiguously, and is connected with load-carrying unit 30,52,64a, 64b or 65 in liquid-tight manner.Flat tube 8 preferably by aluminum or aluminum alloy by being crushed to.The contact material (such as adhesive) of heat conduction is preferably set between flat tube 48.
Load-carrying unit 30,52,64a, 64b, except being formed by simple synthetic material, can also be formed by composite, wherein in carrying material, imbeds carbon fiber or glass fibre.Metal parts needed for electrical interface can be imbedded in load-carrying unit 30,52 or 64 equally, and therefore load-carrying unit 30,52 or 64 comprises the framework of the synthetic material of band hardware, and wherein load-carrying unit 30,52 or 64 is integrally constituted.
In addition, the load-carrying unit 30,52,64a, 64b of load-carrying unit stacking 12 is surrounded by shape tube around outer contour 36, thus makes stacking 12 have larger safety and stability.At this, this shape tube is preferably by being weldingly fixed on the framework of synthetic material.

Claims (16)

1. a heat exchanger, in particular for the heat exchanger of motor vehicle, it has the thermoelectric element (28 that at least one is used for generating hot-fluid, 28a, 28b), it is characterized in that, thermoelectric element (28, 28a, 28b) be arranged on load-carrying unit (30, 52, 65) on, multiple load-carrying unit (30 being stacked setting along stacking axis (50), 52, 65) load-carrying unit stacking (12 is formed, 80), the first fluid passage (16) for first fluid and the second fluid passage (18) for second fluid is provided with in this load-carrying unit stacking, this second fluid passage (18) arranges separate with first fluid passage (16) in fluid.
2. heat exchanger according to claim 1, is characterized in that, is provided with base member and cover component, and they close load-carrying unit stacking (12) from side.
3. heat exchanger according to claim 1 and 2, it is characterized in that, load-carrying unit (30,52,65) have the framework of synthetic material, first fluid passage (16) and second fluid passage (18) are arranged in the framework of this synthetic material.
4. according to the heat exchanger in aforementioned claim described in any one, it is characterized in that, load-carrying unit (30,52,65) has substantially in polygonal, especially rectangle or boundary line, octagonal outside.
5. according to the heat exchanger in aforementioned claim described in any one, it is characterized in that, load-carrying unit is configured to smooth component, and wherein, the height being parallel to stacking axis of load-carrying unit is less than the size stretched at load-carrying unit plane midplane.
6. according to the heat exchanger in the claims described in any one, it is characterized in that, load-carrying unit has multiple window consisted of with the layout connecing block pillar.
7. according to the heat exchanger in the claims described in any one, it is characterized in that, at load-carrying unit (30,52,65) spacer assembly (40a, 40b are set in, 40c, 40d, 78), first fluid passage (16) and second fluid passage (18) are spaced from each other at heat and mechanical aspects respectively by this spacer assembly.
8. according to the heat exchanger in aforementioned claim described in any one, it is characterized in that, first fluid passage (16) and second fluid passage (18) have the first and second partial fluid passages respectively, first and second partial fluid passages can pass through load-carrying unit (30 respectively, 52,65) at least one spout hole (76) in is connected with each other.
9. according to the heat exchanger in aforementioned claim described in any one, it is characterized in that, base member and/or cover component arrange Connection Element, is used for first and/or second fluid passage (16,18) to circulate couple together with first and/or second fluid.
10. according to the heat exchanger in aforementioned claim described in any one, it is characterized in that, thermoelectric element (28,28a, 28b) is configured to peltier-element.
11., according to the heat exchanger in aforementioned claim described in any one, is characterized in that, thermoelectric element (28,28a, 28b) is connected in locking manner with load-carrying unit (30,52,65) force closure ground or material, especially pressing or stickup.
12. according to the heat exchanger in aforementioned claim described in any one, it is characterized in that, at the load-carrying unit (30 of load-carrying unit stacking (12), 52,65) and/or load-carrying unit (30,52,65) and thermoelectric element (28,28a, 28b) between liquid-tight connection is set.
13., according to the heat exchanger in aforementioned claim described in any one, is characterized in that, the load-carrying unit (30,52,65) being stacked accumulation is directed in the same manner, or is set to reverse 90 ° respectively towards stacking axis (50).
14., according to the heat exchanger in aforementioned claim described in any one, is characterized in that, arrange flat tube (48), they and thermoelectric element (28,28a, 28b) contact and with load-carrying unit (30,52,65) be connected in liquid-tight manner.
15., according to the heat exchanger in aforementioned claim described in any one, is characterized in that, load-carrying unit (30,52,65) is made up of a kind of material, and this material comprises synthetic material and/or multiple material elements.
16., according to the heat exchanger in aforementioned claim described in any one, is characterized in that, load-carrying unit stacking (12) is surrounded by shape tube.
CN201410593713.3A 2013-10-30 2014-10-29 Heat exchanger Expired - Fee Related CN104596085B (en)

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