EP3520590A1 - Dispositif d'échange thermique pour un véhicule automobile, associant un module thermoélectrique et un échangeur de chaleur à circulation d'un fluide - Google Patents
Dispositif d'échange thermique pour un véhicule automobile, associant un module thermoélectrique et un échangeur de chaleur à circulation d'un fluideInfo
- Publication number
- EP3520590A1 EP3520590A1 EP17787219.9A EP17787219A EP3520590A1 EP 3520590 A1 EP3520590 A1 EP 3520590A1 EP 17787219 A EP17787219 A EP 17787219A EP 3520590 A1 EP3520590 A1 EP 3520590A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- circuit
- zone
- channel
- thermoelectric module
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20845—Modifications to facilitate cooling, ventilating, or heating for automotive electronic casings
- H05K7/20872—Liquid coolant without phase change
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20254—Cold plates transferring heat from heat source to coolant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
- F25B2321/023—Mounting details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2210/00—Heat exchange conduits
- F28F2210/10—Particular layout, e.g. for uniform temperature distribution
Definitions
- Heat exchange device for a motor vehicle, associating a thermoelectric module and a heat exchanger with circulation of a fluid
- the present invention is in the field of heat exchange devices for thermally treating electrical components, particularly power, fitted to motor vehicles.
- the present invention relates more specifically to such a device for heat exchange, comprising a thermoelectric module Peltier effect thermally connected with a heat exchanger circulating a heat transfer fluid.
- a thermoelectric module Peltier effect thermally connected with a heat exchanger circulating a heat transfer fluid.
- motor vehicles some are equipped with an electric motor for their propulsion. This is particularly the case for vehicles whose propulsion is electrically powered alone, or for vehicles whose propulsion is hybrid engine combining an electric motor and a combustion engine.
- Such vehicles are equipped for their propulsion with an electric motor and electrical power organs dedicated to its operation.
- These electrical power devices include in particular a control module of the operation of the electric motor and a reserve of electrical energy comprising one or more batteries.
- the participating electrical power components of the power supply of the electric motor are subject to temperature variations that may affect their performance and / or damage them. Such temperature variations are notably generated as a function of the climatic conditions and / or by the putting into operation of the electrical components having the effect of causing them to overheat. As a result, it is common to thermally treat the electrical components of the motor vehicle, to preserve them and / or to maintain their performance.
- the document US 2014 013 774 (BEHR Gmbh & Co.Kg) describes such a device for heat exchange dedicated to the cooling of a reserve of electrical energy for supplying energy to a propulsive electric motor of a motor vehicle.
- the heat exchanger is formed of a casing housing a heat transfer circuit for the passage therethrough.
- the circuit consists of a plurality of channels successively connected to each other. Two adjacent channels route the fluid in opposite directions of fluid flow through the circuit.
- the thermoelectric module is composed of a plurality of thermoelectric elements Peltier effect affixed against one of the faces of the housing. The thermoelectric elements are thus interposed between the housing and a plate forming a support of the batteries constituting the electrical energy reserve.
- thermoelectric module between the housing and the batteries hinders the heat transfer between these two components.
- the invention improves the situation.
- the present invention relates to a device for heat exchange dedicated to the heat treatment of an electrical member, for example power, equipping a motor vehicle.
- the device for heat exchange of the present invention comprises a thermoelectric Peltier effect module thermally connected to one of the large faces of a heat exchanger circulating a heat transfer fluid constituting the device according to the invention.
- the object of the present invention is to optimize the utilization of the heat capacities of the coolant circulating through the device according to the invention, in the context of a thermal connection between a housing constituting the device according to the invention and forming a heat exchanger heat with the thermoelectric module and a thermal connection of the same housing with the electrical member to be heat treated.
- the heat exchanger is arranged in a housing, for example a flat housing a circuit for conveying a coolant.
- the coolant is likely to be a liquid or a refrigerant, brine or any other fluid capable of storing, capturing and / or returning thermal energy.
- Such a housing is delimited at least not its large faces. These are opposite and form reception seats of the thermoelectric module and the electrical member to heat treat.
- the housing is in physical contact with the thermoelectric module at one of its large faces and with the electrical organ at the other of its large faces.
- the differentiated thermal exchanges of the heat exchanger with respectively the thermoelectric module and the electrical member are used to homogenize the distribution of the surface temperature of the housing, individually to its large faces in particular, and to maintain said differentiated heat exchanges to respective thresholds of temperature difference tolerated.
- the circuit is subdivided into at least two fluidic paths abutted in series and arranged in separate zones of the housing.
- the heat transfer fluid can then flow successively through an upstream fluid path formed in a first zone of the housing, then through a downstream fluid path formed in a second zone of the housing.
- the concepts upstream and downstream are of course to be appreciated according to the direction of circulation of the heat transfer fluid through the circuit.
- the first zone of the housing thermally treats primarily the component assigned to this zone, for example by taking or supplying calories from the heat transfer fluid flowing through the upstream fluid path.
- the second zone of the housing thermally treats in a secondary manner the component assigned to this second zone, by providing or removing a remainder of the calories of the coolant flowing through the downstream fluid path.
- the first zone and the second zone each extend at least partially along the extent of a first contact surface between the housing and the thermoelectric module and along a second surface of the housing able to come into contact with the electrical component , the fluidic paths are arranged at a distance from each other, providing a zone of thermal break between the first zone and the second zone,
- At least the upstream fluidic path comprises a plurality of intermediate channels connecting in parallel the input channel and the outlet channel of the upstream fluid path,
- the downstream fluidic path comprises a plurality of intermediate channels connecting in parallel the inlet channel and the outlet channel of the downstream fluid path,
- each of the fluidic paths comprises on the one hand an inlet channel and an outlet channel for the heat transfer fluid extending along a length of the housing, and on the other hand at least one intermediate channel connecting the inlet channel to each other; and the output channel and extending in a width of the housing.
- the casing is flat and rectangular
- the intermediate channels are of identical or different sections
- a section of the intermediate channels is smaller than a section of the input channel and / or the output channel
- the intermediate channels change at least twice in direction according to their main extension dimension.
- the intermediate channels form zig-zag within the housing
- At least one of the channels forming the circuit comprises at least one restriction of the passage section of the coolant, the restriction is provided locally at the inlet channel.
- this restriction is located at the entrance of the zone concerned. This restriction locally accelerates the heat transfer fluid to ensure proper filling of the intermediate channels, especially those which are remote from the portion feeding the intermediate channels. Thus the speed of the fluid can be accelerated, especially in the fluid inlet zones inside one and / or the other of the fluidic paths.
- a first restriction is provided on the outlet channel of the upstream fluid path, downstream of the intermediate channel or channels of the upstream fluid path in the direction of flow of the fluid through the circuit. The flow velocity of the fluid is thus increased at the inlet of the downstream fluid path,
- a second restriction is provided on the inlet channel of the upstream fluid path, upstream of at least one intermediate channel of the upstream fluid path in the direction of flow of the fluid through the circuit. The speed of circulation fluid is thus increased at the inlet of the upstream fluid path,
- At least one third restriction is provided on at least one intermediate channel of at least one given fluid path.
- the section of at least one of the channels composing the circuit is variable
- the circuit is connected to at least one inlet mouth forming an intake duct of the heat transfer fluid inside the circuit, and to at least one outlet mouth forming a duct for evacuating the heat transfer fluid out of the circuit, the inlet mouth and the outlet mouth opening each out of the housing to any of its side faces extending between its large faces. More specifically, it is mentioned that the inlet mouth is connected to the input channel of the upstream fluid path and that the outlet mouth is connected to the outlet channel of the downstream fluid path,
- the housing is formed of a hollow body defining a cavity forming the circuit, the body incorporating at least one partition defining at least the fluidic path, said cavity being closed by at least one cover, a bottom of the body forming the first large face of the housing and the cover forming the second large face of the housing.
- the lid is advantageously formed of a plate resting on a plurality of partitions formed in the cavity.
- the seat provided by the slices of the partitions on which the cover is resting makes it possible to reinforce the mechanical holding of the cover, despite the variations in temperatures at which the housing is intended to be subjected.
- the heat exchange is favored between the cover and the electrical member or the thermoelectric module, with which the cover is thermally connected. Indeed, the coolant is directly in contact with the lid,
- the body is formed of a one-piece piece made indifferently by molding or by machining a metal part.
- the invention also relates to a cooling system comprising a device as described herein and an electrical member, including power, equipping a motor vehicle, the electrical member being in thermal contact with the second major face defining the housing.
- the fhiidic paths are each composed of a plurality of channels, including in particular for each of the fluid paths a heat transfer fluid inlet channel and a heat transfer fluid outlet channel.
- the input channel and the output channel are interconnected by one or preferably a plurality of intermediate channels interposed in parallel between the input channel and the output channel.
- the inlet channel of the upstream fluidic path is connected to an inlet mouth through which the heat transfer fluid is admitted inside the circuit.
- the outlet channel of the upstream fluid path is connected to the inlet channel of the downstream fluid path.
- the outlet channel of the downstream fluid path is then connected to an outlet mouth through which the heat transfer fluid is discharged out of the circuit.
- the flow of the fluid through the circuit in series, that is to say successively through the upstream fluid path and the downstream fluid path, can be organized to provide the desired heat exchange between the fluid coolant and respectively the different areas of the housing.
- the fluid circulation modalities through the circuit are advantageously regulated from the specific arrangements of the fhiidic paths. Such regulation is in particular provided according to the number, distribution and / or global or localized sections of the different channels respectively composing each of the fhiidic paths.
- the body is capped with a closure lid of its hollow interior volume.
- the bottom of the housing protects one of the large faces of the housing and the cover protects the other large faces of the housing.
- the body is internally partitioned to provide the different channels respectively composing the upstream fluid path and the downstream fluid path.
- the body may be formed by machining a metal part or by molding for example, incorporating the partitions between the different channels of the circuit.
- the thermoelectric module is for example affixed against the outer surface of the bottom of the housing, the electrical member then being affixed against the outer surface of the cover arranged in plate. Conversely, the electrical member is likely to be affixed against the outer surface of the bottom of the housing and the thermoelectric module against the outer surface of the cover.
- the electrical member is in particular an electrical power device, such as for example a reserve of electrical energy or a control module of the operation of a propulsive electric motor of the motor vehicle.
- electrical power device such as for example a reserve of electrical energy or a control module of the operation of a propulsive electric motor of the motor vehicle.
- other electrical components such as, for example, electrical and / or electronic components and / or control modules, can be thermally connected with any one of the large faces of the housing, alone or in combination with the aforementioned electrical components.
- first zone corresponding to the upstream fluid path can be assigned to the heat treatment of a DC / DC converter while the second zone corresponding to the downstream fluid path can be assigned to the heat treatment of a control module which for example processes signal information.
- a control module which for example processes signal information.
- first large face and / or the second large face of the housing are capable of being thermally connected not only respectively with the electrical member and with the thermoelectric module, but also with any other member (s) and / or electrical module (s) or additional electronic (s) to be heat treated, such as electrical components and / or electronic (s), including one or more annexes thermoelectric modules.
- thermoelectric module is affixed in mechanical contact against the outer surface of a first large face of the housing, in particular on a corresponding extent to a first contact surface.
- the electrical member is affixed in mechanical contact against the outer surface of the second large face of the housing, in particular on a corresponding extent to a second contact surface.
- first zone and the second zone preferably each extend at least partially along the extent of a first contact surface between the housing and the thermoelectric module and along a second contact surface between the housing and the the electric organ. It is understood that the first contact surface is formed in whole or in part by the outer surface of the first major face and that the second contact surface is formed in whole or in part by the outer surface of the second large face of the housing.
- the upstream fluid path and the downstream fluidic path are preferably juxtaposed inside the casing according to the same general plan of extension of the circuit.
- the fluidic paths are advantageously individually arranged so as to control the flow of the fluid through the circuit.
- Such fluid circulation modes are particularly related to its flow, its speed and overall the amount of fluid flowing individually through the different channels respectively component of the fluidic paths.
- the individual arrangement of the fluidic paths is differentiated preference and provides:
- the arrangement of a given fluid path makes it possible to locally regulate the heat exchange between the heat transfer fluid and the zone of the housing which houses said given fluid path.
- the distribution of the surface temperature of the one and / or the other of the zones can be regulated, so as to obtain a homogeneous or heterogeneous temperature distribution.
- the quantity of calories firstly exchanged with the first zone and secondarily with the second zone is advantageously regulated from the respective arrangements of the upstream fluid path and the downstream fluid path.
- FIG. 1 and FIG. 2 are perspective views, respectively in exploded view and assembled view, of a device for heat exchange according to the present invention
- FIG. 3 is an illustration according to its general plan of extension of the device for heat exchange represented in FIG. 1,
- FIGS. 4 to 9 are illustrations, according to the general plan, of a device for heat exchange according to the present invention, according to different embodiments of a hydraulic circuit that comprises said device,
- FIGS. 10 to 12 are illustrations of different positions of implantation of a fluid inlet mouth and a fluid outlet mouth equipping a heat exchange device according to the present invention. It should first be noted that the figures show the present invention in detail and in particular ways of its implementation. Said figures and their description can of course serve, if necessary, to better define the present invention, both in its particularities and in its generality, particularly in relation to the description of the present invention which has just been made.
- an electrical member 1 for example a power device, fitted to a motor vehicle, is provided to be heat-treated by means of a device for heat exchange 2 according to the invention.
- the device for heat exchange 2 comprises a generally planar heat exchanger 3 and a thermoelectric module 4.
- the heat exchanger 3 is of the circulating type of a heat transfer fluid F inside a circuit 5.
- the thermoelectric module 4 typically comprises at least one thermoelectric element Peltier effect.
- the heat exchanger 3 is arranged in a housing 6, in particular flat, housing the circuit 5, which extends along an extension plane P of the housing 6 for conveying the heat transfer fluid F therethrough.
- the circuit 5 comprises an inlet mouth 7 for the admission of the heat transfer fluid F inside the circuit 5 and an outlet mouth 8 for the discharge of the heat transfer fluid F out of the circuit 5.
- the inlet mouth 7 and the outlet mouth 8 are provided to be connected to the connecting lines of the circuit to a source of heat transfer fluid.
- the housing 6 comprises two large faces 9, 10 superimposed along its plane P of extension, which are used to thermally connect the heat exchanger 3 with the thermoelectric module 4 and the electrical member 1, respectively.
- the outer surface of a first large face 9 of the housing 6 provides a first receiving surface by mechanical contact of the thermoelectric module 4.
- the outer surface of the second major face 10 of the housing 6 provides a second receiving surface by mechanical contact of the 1.
- the first receiving surface S1 of the thermoelectric module 4 and the second receiving surface S2 of the electrical member 1 may cover all or part of the large faces 9 , 10 of the housing 6 which are respectively assigned to them.
- the inlet mouth 7 and the outlet mouth 8 are arranged, preferably close to one another, on at least one of the lateral faces L 1, L 2, L3 and / or L4 of the housing 6 extending perpendicularly between its large faces 9, 10.
- the inlet mouth 7 and the outlet mouth 8 may be arranged on the same side face L1 or L2 of the housing 6, as illustrated respectively in FIG. 10 and FIG. 11, or each of them being arranged on a lateral face L 1 and L 2 of the housing 6, preferably adjacent, as illustrated in FIG. 12.
- the housing 6 is essentially formed of a one-piece body 11 whose bottom 12 forms its first large face 9.
- the interior volume of the body 11 forms a cavity which is partitioned by partitions 13 forming between them component channels.
- the body 11 is capped with a lid 15 for closing its internal volume.
- the lid 15 forms the second large face 10 of the housing 6 in the illustrated example.
- Such a cover is advantageously a plate attached in a sealed manner to the body 11.
- the circuit 5 is composed of two fluidic paths 5a,
- the circuit 5 comprises an upstream said fluidic path 5a formed inside a first zone ZI of the housing 6 and a downstream fluidic path 5b formed inside a second zone Z2 of the housing 6.
- the first zone ZI of the housing 6 removes or delivers priority calories heat transfer fluid F admitted inside the circuit 5 and flowing through the upstream fluid path 5a.
- the heat transfer fluid F then flows through the downstream fluid path 5b and the second zone Z2 of the housing 6 removes or delivers secondarily heat transfer fluid F.
- the first receiving surface SI of the thermoelectric module 4 and or the second receiving surface S2 of the electrical member 1 are capable of extending to the large faces 9, 10 of the housing 6 respectively in whole or in part over the extent of the first zone ZI and / or the second zone Z2.
- the upstream fluid path 5a comprises a first inlet channel 14el of the heat transfer fluid F therethrough.
- a first junction channel 14jl connects the first input channel 14el to the inlet mouth 7.
- the upstream fluid path 5a also has a first output channel 14s 1 of the fluid F to the downstream fluid path 5b.
- a plurality of first intermediate channels 14a1-f each connect in parallel the first input channel 14a1 and the first output channel 14s1.
- the downstream fluid path 5b comprises a second outlet channel 14s2 of the heat transfer fluid F, connected to the outlet mouth 8 by a second connecting channel 14j2.
- the downstream fluid path 5b also comprises a second inlet channel 14e2 for its fluidic connection to the upstream fluid path 5a.
- the second input channel 14e2 is connected in extension of the first output channel 14s 1 of the upstream fluid path 5a.
- the second input channel 14e2 and the second output channel 14s2 of the downstream fluid path 5b are interconnected by at least one second intermediate channel 14i2a-d.
- the first input channel 14el, the first output channel 14s1 and the first connection channel 14j1, as well as the second input channel 14e2, the second output channel 14s2 and the second connection channel 14j2 are preferably oriented along the length D1 of the housing 6 defining its extension plane P.
- the intermediate channels 14i, comprising the first intermediate channels 14a1a-f and the second or second intermediate channels 14a2a-d, are preferably oriented generally along the width D2 of the housing 6 defining its extension plane P. It will be noted for example in FIG. 9 that the major part of the upstream fluid path 5a and most of the downstream fluid path 5b are arranged at a distance from one another.
- a distance E spares an intermediate zone Z3 of the housing 6 providing a thermal break between the first zone ZI and the second zone Z2 of the housing 6.
- the notion of a major part is to be appreciated by excluding from the fluidic paths 5a, 5b of their zone of RI connection to each other.
- a connection area RI is especially at least provided by a connection between the first output channel 14s 1 and the second input channel 14e2.
- the upstream fluidic path 5a preferably comprises a plurality of first intermediate channels 14a1-f, as illustrated in FIGS. 3 to 9.
- the first intermediate channels 14a1-f connect in parallel the first input channel 14el and the first channel
- the downstream fluid path 5b is likely to comprise a single second intermediate channel 1412a, as illustrated in FIGS. 3 to 5, or a plurality of second intermediate channels 1412a-d connecting in parallel the second channel. input 14e2 and the second output channel 14s2, as shown in FIGS. 6 to 9.
- the first intermediate channels 14a1a-f and the second intermediate channels 14a2a-d are each in particular of a cross section less than or equal to the cross-sections respectively of the input channels 14a1, 14e2 and the output channels 14s1, 14s2 of one and the other of the upstream fluid path 5a and the downstream fluid path 5b.
- the intermediate channels 14a1-f, 14i2a-d are likely to be generally rectilinear as illustrated in FIGS. 4 to 8 or to be zig-zag shaped according to their main dimension such as 9, i.e. the width of the housing 6. In this situation, the intermediate channels 14a-f, 14a2a-d change direction at least twice.
- one or more intermediate channels 14a1a-f, 14i2a-d of one and / or the other of the fluidic paths 5a, 5b may have a constant or variable cross section.
- the intermediate channels 14a1a-f, 14i2a-d of one and / or the other of the fluidic paths 5a, 5b may be of identical or different number and / or comprise identical or differentiated individual sections.
- first intermediate channels 14ila-f are identical cross sections.
- the first intermediate channels 14a1a-f can also be of differentiated individual cross-sections, as illustrated in FIG. 5 and in FIG. 8.
- the first intermediate channels 14a1-f are, for example, six in number on the FIG. 4, of which there are five in FIGS. 5 to 8 and three in FIG.
- the section of at least one first intermediate channel 14a1-f, and optionally of all the first intermediate channels 14a1-f, is for example equal to the section of the first input channel 14e1, as is apparent from FIG. 4.
- section of at least one first intermediate channel 14a1-f, and optionally of all the first intermediate channels 14a1-f to be, for example, smaller than the section of the first input channel 14el, as is apparent from the Figures 5-7.
- the intermediate channels 14a1-f are of identical section, whereas the variant illustrated in FIG. 7 shows a progressive increase in the section of the first intermediate channels 14a1-f which evolves along the length of the casing 6.
- the first intermediate channel 14a1 disposed immediately adjacent the downstream fluid path 5b has the smallest section of the first intermediate channels 14a1-f.
- the last intermediate channel 14ile farthest from the downstream fluid path 5b has the largest section of the first intermediate channel 14ila-f.
- the downstream fluid path 5b has a single second intermediate channel 14i2a.
- the second channels intermediate 14i2a-d are in plurality, such as for example three in numbers 6, 7 and 9 or for example still four in figure 8.
- the second intermediate channels 14i2a-d are likely to include sections differentiated individual transverse sections, or identical cross-sections as illustrated in FIGS. 6 to 9.
- At least one of the channels 14 that comprises a given fluid path 5a, 5b may include a restriction 16, 16 'for locally increasing the circulation velocity of the coolant F through the circuit 5. This increase favors filling the farthest channels, such as the first intermediate channel 14ile or the second intermediate channel 14i2c or d, and improves the thermal homogeneity within the same zone ZI or Z2.
- a first restriction 16 is provided on the first output channel 14s 1 of the upstream fluid path 5a, in its connection area RI with the second input channel 14e2 of the downstream fluid path 5b.
- a second restriction 16 ' is provided on the first inlet channel 14el of the upstream fluid path 5a, in its connection zone R2 with the first connecting channel 14j connecting it to the inlet mouth 7.
- Such a restriction is a local reduction of the passage section of the coolant.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Air-Conditioning For Vehicles (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1659098A FR3056712B1 (fr) | 2016-09-27 | 2016-09-27 | Dispositif d’echange thermique pour un vehicule automobile, associant un module thermoelectrique et un echangeur de chaleur a circulation d’un fluide |
PCT/FR2017/052610 WO2018060605A1 (fr) | 2016-09-27 | 2017-09-27 | Dispositif d'échange thermique pour un véhicule automobile, associant un module thermoélectrique et un échangeur de chaleur à circulation d'un fluide |
Publications (1)
Publication Number | Publication Date |
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EP3520590A1 true EP3520590A1 (fr) | 2019-08-07 |
Family
ID=57590630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP17787219.9A Pending EP3520590A1 (fr) | 2016-09-27 | 2017-09-27 | Dispositif d'échange thermique pour un véhicule automobile, associant un module thermoélectrique et un échangeur de chaleur à circulation d'un fluide |
Country Status (4)
Country | Link |
---|---|
US (1) | US10757841B2 (fr) |
EP (1) | EP3520590A1 (fr) |
FR (1) | FR3056712B1 (fr) |
WO (1) | WO2018060605A1 (fr) |
Families Citing this family (3)
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US11249522B2 (en) * | 2016-06-30 | 2022-02-15 | Intel Corporation | Heat transfer apparatus for a computer environment |
CN110463369B (zh) * | 2017-03-21 | 2021-03-09 | Lg伊诺特有限公司 | 变换器 |
CN108882601B (zh) * | 2018-06-20 | 2021-01-15 | 安徽恒泰机械股份有限公司 | 一种新能源汽车的主板防护盖 |
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US5918469A (en) * | 1996-01-11 | 1999-07-06 | Silicon Thermal, Inc. | Cooling system and method of cooling electronic devices |
EP0952017A3 (fr) * | 1998-04-22 | 2002-01-23 | Climcon A/S | Dispositif échangeur de chaleur pour système de climatisation |
US6502405B1 (en) * | 2001-10-19 | 2003-01-07 | John Van Winkle | Fluid heat exchanger assembly |
IL147394A0 (en) * | 2001-12-30 | 2002-08-14 | Active Cool Ltd | Thermoelectric active cooling system for a computer processor with reduced audible noise and emi noise audio noise |
JP3651677B2 (ja) * | 2002-07-12 | 2005-05-25 | 株式会社東芝 | 発熱素子冷却装置及び電子機器 |
FR2861894B1 (fr) * | 2003-10-31 | 2008-01-18 | Valeo Equip Electr Moteur | Dispositif de refroidissement d'une electronique de puissance |
US7347060B2 (en) * | 2003-11-14 | 2008-03-25 | Aqueduct Medical, Inc. | Systems for regulating the temperature of a heating or cooling device using non-electric controllers and non-electric controllers therefor |
JP2006032490A (ja) * | 2004-07-13 | 2006-02-02 | Hitachi Ltd | エンジン制御回路装置 |
US7673389B2 (en) * | 2005-07-19 | 2010-03-09 | International Business Machines Corporation | Cold plate apparatus and method of fabrication thereof with a controlled heat transfer characteristic between a metallurgically bonded tube and heat sink for facilitating cooling of an electronics component |
US20110100666A1 (en) * | 2009-11-03 | 2011-05-05 | Wu Albert T | Thermally controlled, anti-shock apparatus for automotive electronics |
US8646261B2 (en) * | 2010-09-29 | 2014-02-11 | GM Global Technology Operations LLC | Thermoelectric generators incorporating phase-change materials for waste heat recovery from engine exhaust |
WO2013033601A2 (fr) * | 2011-09-02 | 2013-03-07 | Wolverine Tube, Inc. | Plaque de base en métal plaqué améliorée |
DE102012211259A1 (de) * | 2012-06-29 | 2014-01-02 | Behr Gmbh & Co. Kg | Thermoelektrische Temperiereinheit |
DE102012222635A1 (de) | 2012-12-10 | 2014-06-12 | Behr Gmbh & Co. Kg | Wärmeübertrager, insbesondere für ein Kraftfahrzeug |
US9204573B2 (en) * | 2013-05-08 | 2015-12-01 | Kabushiki Kaisha Toshiba | Power conversion apparatus |
DE102013212524A1 (de) * | 2013-06-27 | 2015-01-15 | Behr Gmbh & Co. Kg | Thermoelektrische Temperiereinheit |
-
2016
- 2016-09-27 FR FR1659098A patent/FR3056712B1/fr active Active
-
2017
- 2017-09-27 EP EP17787219.9A patent/EP3520590A1/fr active Pending
- 2017-09-27 US US16/336,277 patent/US10757841B2/en active Active
- 2017-09-27 WO PCT/FR2017/052610 patent/WO2018060605A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
FR3056712A1 (fr) | 2018-03-30 |
US20190313553A1 (en) | 2019-10-10 |
WO2018060605A1 (fr) | 2018-04-05 |
US10757841B2 (en) | 2020-08-25 |
FR3056712B1 (fr) | 2019-07-12 |
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