• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to an accumulator (1) having at least one storage module (3) for electrical energy and at least one cooling device (2) for cooling or temperature control for the at least one storage module (3), wherein the cooling device (2) comprises at least one coolant channel (6). , at least one coolant inlet (8) and at least one coolant outlet (9), and wherein the cooling device (2) has a single-layer or multi-layered film (4) and abuts against the at least one memory module (3) with this film (4).
    公开号:AT520018A1
    申请号:T50491/2017
    申请日:2017-06-13
    公开日:2018-12-15
    发明作者:Stefan Astecker Ing；Ing Stefan Gaigg Dipl；Ing Falk Nickel Dipl；Ing Thilo Schmitt Dipl
    申请人:Miba Frictec Gmbh；
    IPC主号:
    专利说明:

    Summary
    The invention relates to an accumulator (1) with at least one storage module (3) for electrical energy and at least one cooling device (2) for cooling or temperature control for the at least one storage module (3), the cooling device (2) having at least one coolant channel (6). , at least one coolant inlet (8) and at least one coolant outlet (9), and wherein the cooling device (2) has a single or multilayer film (4) and with this film (4) rests on the at least one memory module (3).
    Fig. 1/31
    N2017 / 14900 AT-00
    The invention relates to an accumulator with at least one storage module for electrical energy and at least one cooling device for the at least one storage module, the cooling device having at least one coolant channel, at least one coolant inlet and at least one coolant outlet.
    The service life and the effectiveness as well as the safety of a rechargeable battery for so-called e-mobility also depend on the temperature during operation. For this reason, various concepts for cooling or tempering the batteries have already been proposed. The concepts can essentially be divided into two types, namely air cooling and water cooling or generally cooling with liquids.
    For the water cooling, heat sinks are used in which at least one coolant channel is formed. These heat sinks are arranged between the individual modules of the accumulator or on the modules. A module is an independent unit of the accumulator, not necessarily just a cell.
    When arranged on the modules, the heat sinks are usually designed so that they cover all the modules of the battery. However, the problem arises that, due to tolerances, etc., the heat sink does not lie evenly on the modules. To remedy this, the heat sink is screwed to each individual module. However, this has the disadvantage that the production of the rechargeable battery is correspondingly complex and therefore cost-intensive. This in turn worsens the acceptance of e-mobility itself.
    The present invention has for its object to provide a structurally simple cooling option for batteries for e-mobility.
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    The object of the invention is achieved in the case of the above-mentioned accumulator in that the cooling device has a single-layer or multilayer film and, with this film, bears against the at least one memory module.
    The advantage here is that the flexible film fits better on the surfaces of the accumulator, whereby the heat transfer into the cooling fluid can be improved without additional design measures. It is no longer necessary to connect the cooling device to each individual module of an accumulator. If you consider that such accumulators often have more than 20 modules, a significant reduction in the production time of the accumulators can thus be achieved. In addition, the film can also reduce weight, which can improve the effectiveness of e-mobility through longer ranges.
    According to one embodiment variant of the accumulator, it can be provided that the cooling device has a layer made of a metal, to which the film is connected to form the at least one coolant channel. A further improvement in the cooling of the rechargeable battery can thus be achieved in that some of the heat is removed by heat conduction via this metal layer. In addition, the cooling device can also be given improved stability if this layer is made of metal and is rigid and forms a lid of the cooling device and, if appropriate, a lid of the accumulator.
    According to another embodiment variant, it can be provided that the cooling device has a further single-layer or multilayer film, the film and the further film being connected to one another to form the at least one coolant channel between the film and the further film. The advantage here is that the cooling device is simply constructed from two interconnected film materials or consists of these. An additional arrangement or an additional installation of the coolant channel can be omitted, since this is created automatically by the partial connection of the two film materials. The production of the cooling device can be automated for the most part, and also 3/31
    N2017 / 14900-AT-00 there are very few restrictions regarding the geometry of the cooling device and the specific design of the at least one coolant channel.
    According to a further embodiment variant, the film can consist of a laminate which has a first plastic film, a reinforcement layer connected to it, a metal film connected to the reinforcement layer or a metallized further plastic film connected to the reinforcement layer. The reinforcement layer enables improved stiffness and strength to be achieved at the operating temperature of the battery. It has also been shown that these films have a lower tendency to creep. Furthermore, the film has a reduced thermal expansion, which leads to less stresses in the cooling device when the temperature changes. The metal foil or the metallized further plastic foil achieves a better heat distribution over the surface of the cooling device, which can improve its efficiency. Due to the better heat distribution due to the improved thermal conductivity of the film, hot spots in the operation of the cooling device can also be better prevented. In addition, the cooling device can also be given a barrier function.
    The further film can also have at least one second plastic film, which is partially connected to the first plastic film of the laminate of the film in connection areas, so that at least one cavity is formed between the connection areas, which forms the at least one coolant channel. The manufacture of the cooling device can thus be further simplified.
    For the reasons given above for laminating the film, it can be provided according to a further embodiment variant that the further film also consists of a laminate that the second plastic film, a reinforcement layer connected to it, a metal foil connected to the reinforcement layer or a metallized connection to the reinforcement layer has additional plastic film.
    It can also be provided that the reinforcement layer has a fiber reinforcement. With the fiber reinforcement, the coefficient of thermal expansion / 31
    N2017 / 14900-AT-00 of the reinforcing element can be reduced and approximated to the value of the foils. The heat transfer element can thus have less residual stress and a lower tendency to warp.
    According to an embodiment variant, the fiber reinforcement can be formed by a fabric, whereby a further improvement in the mechanical behavior of the cooling device can be achieved.
    It is also possible for the first plastic film and / or the second plastic film and / or the metallized further plastic film to consist of a plastic which is selected from a group consisting of PE, POM, PA, PPS, PET, cross-linked polyolefins, thermoplastic elastomers based on ether / ester, styrene block copolymers, silicone elastomers. In particular, these plastics have proven to be advantageous for use in the production of the cooling device with a higher degree of automation due to the better extrusion capability.
    To increase the cooling capacity, it can be provided that a plurality of foils are arranged vertically one above the other in the direction of the at least one memory module, between which a plurality of cooling channels are formed. The use of the film and, if appropriate, further film proves to be advantageous since, despite the higher cooling capacity, the cooling device can be lightweight.
    According to one embodiment variant, a fiber layer can be arranged between the several films arranged one above the other, whereby a further weight reduction can be achieved, in particular if, according to one embodiment variant, it is provided that the coolant channel or the cooling channels is or are at least partially formed in the fiber layer.
    According to another embodiment variant, it can be provided that the outlet and / or the inlet is formed by a spacer element between the film and the further film. A better separation of the foils of the cooling device in the area of the at least one coolant channel can thus be achieved at least in / 31
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    Area of the inlet and / or outlet can be reached, at the same time an improved tightness of the cooling device can be achieved more easily in these areas.
    For a better understanding of the invention, this will be explained in more detail with reference to the following figures.
    Each shows in a simplified, schematic representation:
    1 shows an accumulator in an oblique view with a cooling device.
    FIG. 2 shows the accumulator according to FIG. 1 in an oblique view without a cooling device;
    3 shows a first embodiment variant of the cooling device;
    4 shows a detail from the cooling device;
    5 shows a detail from another embodiment variant of the cooling device;
    6 shows a detail from a further embodiment variant of the cooling device;
    7 shows a detail from an embodiment variant of the cooling device with several cooling levels one above the other;
    8 shows an embodiment variant of the accumulator in an oblique view;
    Fig. 9 shows the cooling device of the battery of FIG. 8 in an oblique view.
    In the introduction, it should be noted that in the differently described embodiments, the same parts are provided with the same reference numerals or the same component names, and the disclosures contained in the entire description can be applied analogously to the same parts with the same reference numbers or the same component names. The location information selected in the description, e.g. top, bottom, side, etc. on / 31
    N2017 / 14900-AT-00 referring to the figure described and illustrated immediately, and if the position changes, they should be transferred accordingly to the new position.
    1 and 2 an accumulator 1, i.e. a rechargeable battery, shown in an oblique view, FIG. 1 shows the accumulator 1 with a cooling device 2 and FIG. 2 shows the accumulator 1 without this cooling device 2.
    The accumulator 1 comprises a plurality of storage modules 3 for electrical energy. In the example shown there are 27 memory modules 3. However, this number is not to be understood as limiting.
    Since the basic structure of such accumulators 1 for e-mobility is known from the relevant prior art, reference should be made to avoid repetition. The following description is therefore limited to the cooling of the accumulator 1.
    It should also be pointed out that the term “cooling” in the sense of the invention also means the temperature control of the accumulator 1.
    As can be seen from the comparison of the two FIGS. 1 and 2, the cooling device 2 is arranged on one side of the accumulator 1, in particular at the top. However, it can also be provided that the cooling device 2 extends over at least two surfaces of the rechargeable battery 1, for example above and to the side and optionally below.
    It is further preferred if the cooling device 2 extends over all the storage modules 3, in particular the upper side of the storage modules 3 (as can be seen in FIG. 1), so that all the storage modules 3 can be cooled with only one cooling device 2. In principle, however, it is also possible to provide a plurality of cooling devices 2 in the accumulator, for example two or three or four, so that, for example, the memory modules 3 are divided into two or three or four, etc. cooling devices 2.
    It should be pointed out that the terms top side, etc., refer to the installation position of the accumulator 1 in a motor vehicle.
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    3 shows a first embodiment variant of the cooling device 3 in cross section.
    In general, the cooling device 2 comprises a single-layer or multilayer film 4 in all of the design variants. With this film 4, the cooling device 2 bears against the storage module 3 or the storage modules 3, in particular directly. The system takes place, for example, on the top of the memory modules 3, as was explained above. Since the film 4 is flexible, ie is not stiff, this film 4 can adapt better to unevenness in the memory modules 3 or between the memory modules 3. A balancing mass between the cooling device 2 and the memory modules 3 is not necessary. The heat transfer from the storage modules 3 into the cooling device 2 can thus be improved.
    In the embodiment of the cooling device 2 according to FIG. 3, this film 4 is connected to a layer 5. The layer 5 is formed from a metal, in particular aluminum or an aluminum alloy. At least one coolant channel 6 is formed between the layer 5 and the film 4. For this purpose, the layer 5 can have webs 7 pointing in the direction of the film 4, with the end faces of which the film 4 is connected.
    The at least one coolant channel 6 can also be made differently. For example, the layer 5 can be reshaped accordingly, e.g. deep-drawn. Alternatively or in addition to this, the film 4 can be machined, in which case the flexibility of the film 4 is reduced at least in the area of the at least one coolant channel 6, for example by coating the film 4 at least in this area. It can thus be achieved that the film 4 maintains the shape at least in the area of the at least one coolant channel 6.
    The film 4 can be glued to the layer 5. However, other connection techniques can also be used to connect the film 4 to the layer 5. The connection techniques are preferably chosen such that / 31
    N2017 / 14900-AT-00 no additional measures have to be taken to obtain a liquid-tight design of the connection.
    As can be seen from FIG. 3, the layer 5 is arranged or formed to overlap the film 3 on the side. However, there is also the possibility that the film 4 extends outwards, and in particular is flush with the layer 5.
    It can further be provided that the part of the layer 5 which laterally overlaps the film 4 protrudes further beyond the film 4, as is shown in dashed lines in FIG in this case you can simply plug it on. The cooling device 1 with the rigid layer 5 can, however, generally be used as a cover for the accumulator 1.
    4 shows an embodiment of the at least one coolant channel 6 as an example. As can be seen, the coolant channel 6 can be arranged in the cooling device 2 in a meandering manner. The coolant channel generally extends from a coolant inlet 8 to a coolant outlet 9 of the cooling device 2.
    The concrete representation of the course of the at least one coolant channel 6 in FIG. 4 is only to be understood as an example. The optimized course of the at least one coolant channel 6 is directed among other things. according to the amount of heat to be dissipated, the geometry of the accumulator 1, etc. It can also be provided that more than one coolant channel 6 is formed or arranged in the cooling device 2. In this case, it is advantageous if a common inlet and then a common outlet are arranged in front of the plurality of coolant channels, each of which can be designed as a collecting channel from which the coolant channels branch or into which they open. However, there is also the possibility that each coolant channel 6 has its own coolant inlet 8 and / or its own coolant outlet 9.
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    4, the coolant inlet 8 and the coolant outlet 9 are arranged on one side of the cooling device 2. However, the coolant inlet 8 and the coolant outlet 9 can also be arranged or formed on or in different sides of the cooling device 2.
    A liquid, for example a water-glycol mixture, is used in particular as the coolant through which the cooling device 2 flows.
    5 to 9 show further and possibly independent design variants of the rechargeable battery 1 or the cooling device 2 of the rechargeable battery 1, the same reference numerals or component designations being used for the same parts as in the previous FIGS. 1 to 3. To avoid unnecessary repetition, reference is made to the detailed description of FIGS. 1 to 3 or referred to.
    5 shows a detail of a preferred embodiment variant of the cooling device 2 in cross section.
    The cooling device 2 comprises the film 4 and a further single- or multi-layer film 10. The film 4 and the further film 10 are connected to one another in connection areas 11, forming the at least one coolant channel 6 between the film 4 and the further film 10. The connection areas 11 extend along the longitudinal extent of the at least one coolant channel 6, areas which are not connected remaining between the connection areas 11, in which the at least one coolant channel 6 is formed by the spacing of the film 4 from the further film 10. The film 4 and the further film 10, which is arranged in particular above the film 4, extend over an area which preferably corresponds at least approximately, in particular 100%, to the area of the cooling device 2 (viewed in plan view).
    3, the film 4 can also extend over at least approximately, in particular 100%, the area of the cooling device 2 (viewed in plan view).
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    In this embodiment variant of the cooling device 2, the film 4 consists of a laminate which has a first plastic film 12, a reinforcement layer connected to it, a metal film 14 connected to the reinforcement layer 13 or a metallized further plastic film connected to the reinforcement layer 13.
    The at least one coolant channel 6 is not formed by separate components but is formed by the only partial connection of the film 4 to the further films 10. The wall or the walls of the at least one coolant channel 6 are thus formed by the film 4 and the further film 10, preferably half each.
    The further film 10 preferably comprises or consists of at least one second plastic film 15. The second plastic film 15 is partially connected to the first plastic film 12 of the laminate of the film 4 in the connection areas 11, so that at least one cavity is formed between the connection areas 11, which forms the at least one coolant channel 6.
    It can further be provided that, according to one embodiment variant, the further film 10 also consists of a laminate which comprises the second plastic film 15, a reinforcement layer 16 connected to it, a metal film 17 connected to the reinforcement layer 16 or a metallized further plastic film connected to the reinforcement layer 16 having.
    In principle, other laminates can also be used. For example, only the foil 4 can be provided with the metal foil 14 or only the further foil 10 with the metal foil 17. Likewise, only the film 4 can have the reinforcement layer 13 or only the further film 10 can have the reinforcement layer 16. Likewise, more than three-layer structures of the film 4 and / or the further film 10 are possible. However, the film 4 and the further film 14 are preferably of the same design.
    The reinforcement layer 16 and / or the metal foil 17 of the further foil 10 can be different from the reinforcement layer 13 and / or the metal / 31
    N2017 / 14900-AT-00 foil 14 of foil 4. However, the two reinforcing layers 13, 16 and / or the two metal foils 14, 17 are preferably of identical design.
    The two foils 4, 10 are arranged such that the two plastic foils 12, 15 abut one another and the partial connection mentioned is formed via these plastic foils 12, 16. If the further film 10 (only) has the second plastic film 15, this second plastic film 15 is arranged immediately adjacent to the plastic film 12 of the film 4 and connected to it.
    Instead of a metal foil 14, 17, it is also possible to use a metallized further plastic foil, in which case the metallization is preferably arranged between the reinforcing layer 13, 16 and the further plastic foil.
    The first plastic film 13 and / or the second plastic film 16 and / or the metallized further plastic film preferably consists of at least 80% by weight, in particular at least 90% by weight, of a thermoplastic or an elastomer. The thermoplastic can be selected from a group comprising or consisting of polyethylene (PE), polyoxymethylene (POM), polyamide (PA), in particular PA 6, PA 66, PA 11, PA 12, PA 610, PA 612, polyphenylene sulfide ( PPS), polyethylene terephthalate (PET), cross-linked polyolefins, preferably polypropylene (PP). The elastomer can be selected from a group comprising or consisting of thermoplastic elastomers such as e.g. thermoplastic vulcanizates, olefin-, amine-, ester-based, thermoplastic polyurethanes, in particular thermoplastic elastomers based on ether / ester, styrene block copolymers, silicone elastomers.
    It should be mentioned at this point that a plastic is understood to mean a synthetic or natural polymer which is produced from corresponding monomers.
    The first plastic film 12 and / or the second plastic film 15 and / or the metallized further plastic film preferably consists of a so-called 12/31
    N2017 / 14900-AT-00 called sealing film. This has the advantage that the respective foils can be connected directly to one another.
    But it is also possible to use other plastics, e.g. to use thermosetting plastics or thermosetting materials which are then glued together, for example with an adhesive. Two-component adhesive systems based on polyurethane or silicone or hot glue systems are particularly suitable for this purpose.
    The reinforcement layer (s) 13, 16 preferably comprise or consist of a fiber reinforcement.
    The fiber reinforcement is preferably designed as a separate layer, which is arranged between the plastic film 12 or the plastic film 15 and the metal film 14 or the metal film 17 or the metallized further plastic film. If cavities are formed in the fiber reinforcement layer, these can also be at least partially filled with the plastic of the plastic film 12 or the plastic film 15 or the metallized further plastic film.
    The fiber reinforcement can be formed from fibers and / or threads which are selected from a group comprising or consisting of glass fibers, aramid fibers, carbon fibers, mineral fibers, such as, for example, basalt fibers, natural fibers, such as e.g. Hemp, sisal, and combinations thereof.
    Glass fibers are preferably used as the fiber reinforcement layer. The proportion of fibers, in particular glass fibers, in the fiber reinforcement can be at least 80% by weight, in particular at least 90% by weight. The fibers and / or threads of the fiber reinforcement preferably consist exclusively of glass fibers.
    The fibers and / or threads can be present in the fiber reinforcement as scrims, for example as a fleece. However, a woven or knitted fabric made of the fibers and / or threads is preferred. It is also possible that the fabric or knitted fabric is only present in some areas and the remaining areas of the fiber reinforcement are formed by a scrim.
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    It is also possible for rubberized fibers and / or threads to be used as or for fiber reinforcement.
    When using a woven fabric, different types of weave are possible, especially plain, twill or satin weave. A plain weave is preferably used.
    However, it is also possible to use an open-mesh glass fabric or glass scrim.
    The fiber reinforcement can be designed as a single layer. However, it is also possible for the fiber reinforcement to have a plurality of individual layers, if appropriate separate from one another, for example two or three, it being possible for at least some of the plurality of individual layers to consist at least in regions, preferably entirely, of fibers and / or threads different from the rest of the individual layers ,
    As an alternative or in addition to the fiber reinforcement, the reinforcement layers 13, 16 can have a mineral filling. Calcium carbonate, talc, quartz, wollastonite, kaolin or mica can be used as the mineral filler (mineral filler).
    The metal foil 15, 17 is in particular an aluminum foil. However, other metals can also be used, such as copper or silver.
    The metal foil 15, 17 can have a layer thickness between 5 μm and 100 μm.
    If the metallized further plastic film is used, the metals mentioned can be used for the metallization. The metallization preferably has a layer thickness which is selected from a range from 5 nm to 100 nm. The metallic vapor deposition of the further plastic film can be produced using methods known from the prior art.
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    The plastic film 12 and / or the plastic film 15 and / or the further plastic film which has the metallization can have a layer thickness between μm and 200 μm.
    The layer thickness of the reinforcement layer (s) 14, 16 can be between 5 μm and 50 μm.
    The film 4 and / or the further film 10 can in particular have the following structure in the order given:
    - Plastic film 12 or plastic film 15 made of PP;
    - Reinforcement layer 13, 16 made of a glass fiber fabric;
    - Metal foil 14, 17 made of aluminum with a layer thickness of 12 microns.
    In the event that the further film 10 consists only of the plastic film 15, a polyethylene terephthalate (PET) is preferably used as the plastic.
    The film 4 and / or the further film 10 can also have at least one further layer, for example at least one further reinforcement layer and / or at least one primer layer and / or at least one thermotropic layer.
    Although the film 4 and the further film 10, if this is also a film laminate, can in principle be used in the form of the individual films for the production of the cooling device 2, so that the film laminate (s) are only formed in the course of the production of the cooling device 2 , It is advantageous if the first film 4 and / or the further film 10 are used as a (laminated) semi-finished product.
    To connect the individual layers of the laminate or the laminates, these can be glued together using adhesives. The adhesives mentioned above are suitable for this. In addition to adhesives, coextrusion and extrusion coating can also be used as a connection option. Of course, a combination is also possible that several plastics / 31
    N2017 / 14900-AT-00 coextruded and glued together with an extrusion-coated metal or (fiber) reinforcement layer. In general, all known methods for producing composite films or film laminates can be used.
    According to a further embodiment variant, it can be provided that the cooling device 2 also has at least one additional film which is partially connected to the film 4 or the further film 10, as was described above for connecting the film 4 to the further film 10. The coolant channels 6 can thus be arranged one above the other in at least two levels, in which case they are preferably not congruent but laterally offset from one another in the manner described above or to be described below. In this case, it is advantageous if the film 4 or the further film 10 have the plastic film 12 or the plastic film 15 on both outer sides (surfaces), so that the composite with the additional films can be produced, in particular two again Sealing films can be connected to each other.
    FIG. 6 shows a section of another embodiment variant of the cooling device 2. In this, a fiber layer 18, for example made of paper, is arranged between the plastic film 12 and the plastic film 15 (both shown in FIG. 5). This fiber layer 18 is liquid-resistant. For this purpose, a coating 19 can be provided on the surfaces that come into contact with the coolant. However, there is also the possibility that the fibers of the paper or the fiber layer 18 are themselves liquid-resistant, for example coated.
    The coating 19 also has another function. The at least one coolant channel 6 is provided in the fiber layer 18, for example by embossing or another shaping method. In order to be able to maintain the shape produced during operation of the accumulator 1 or the cooling device 2, the fiber layer 18 with the coating 19 can be given a higher strength or rigidity.
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    The coating 19 can be a hardened adhesive layer, for example.
    In order to be able to save further weight of the accumulator 1 or the cooling device 2, it can be provided according to a further embodiment variant, which is shown in FIG. 7, that several of these fiber layers 18 provided with the coating 19 are between the film 4 and the further one Foil 10 are arranged one above the other, in particular directly one above the other.
    The film 4 and / or the further film 10 can also be formed as individual films or as laminates in these embodiment variants of the cooling device 2.
    8 and 9 show a further embodiment variant of the accumulator 1 and the cooling device 2. In contrast to the accumulator 1 according to FIGS. 1 and 2, the memory modules 3 are not cuboidal and horizontally arranged, but rather cylindrical and vertically arranged.
    The cooling device 2 is again formed from the film 4 and the further film 10 or comprises these. Please refer to the description above.
    In this embodiment variant of the accumulator 1, the cooling device 2 is arranged between the storage modules 3 and an element 20 carrying electronics. The element can be, for example, a printed circuit board or a printed circuit, and for example: also include components such as a temperature sensor or the busbar (s).
    For the contacting of the individual memory modules 3, the cooling device 2 can have corresponding openings 21, as can be seen in FIG. 9.
    In the preferred embodiment variant of the cooling device 2, this also has corresponding connection elements for connecting the inlet line and the outlet line for the coolant. In principle, these can be designed as conventional connection elements, as are known from the prior art. In the preferred embodiment variant, however, these connection elements are also at least partially, in particular entirely, from an art / 31
    N2017 / 14900-AT-00 fabric produced, wherein the plastics mentioned above can be used as plastics.
    According to another embodiment variant of the accumulator 1, it can be provided that the coolant outlet 9 and / or the coolant inlet 8 is formed by a spacer element 22 between the film 4 and the further film 10. The spacer elements 22 can be seen in FIG. 4. The spacer elements preferably also consist of plastic. It is further preferred if the tightness of the connections of the cooling device 2 for the coolant is improved via the spacer elements 22.
    In this context, it should be mentioned that the specific placement of the connection elements depends on the specific design of the at least one coolant channel 6.
    Like the at least one coolant channel 6, the above-mentioned collecting channels for the coolant can be produced by only partially connecting the film 4 to the further film 10. Please refer to the corresponding explanations above.
    The described partial connection of the film 4 with the further film 10 or an additional film or the two plastic films 12, 15 of the laminates can be carried out in a laminating press. The connection can take place by the action of an elevated temperature and an increased pressure, as is known in the case of lamination or heat sealing. The specific temperature depends on the plastics used.
    Instead of the laminating device, a press can also be used, in particular for the production of long-fiber-reinforced films 4, 10 or a long-fiber-reinforced cooling device 2. The fibers are impregnated and pressed with the plastic, as a result of which the fiber-reinforced film material is produced.
    For a higher degree of customizability of the cooling device 2 with a high degree of automation it can be provided that for the connection a / 31
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    Welding robot is used. The connection areas 11 (FIG. 5) can thus be individually defined and programmed, so that the arrangement or configuration of the at least one coolant channel 6 can be adapted very flexibly to individual needs.
    In the two methods mentioned for producing the cooling device 2, the foils 4, 10 are connected to one another or the foil 4 with the layer 5 is integrally bonded either by welding or by gluing, mixed variants of these methods also being possible. In general, other methods can also be used for this.
    For example, temperature pulse welding, laser welding, IR welding, ultrasonic welding, high-frequency welding can be used as the welding method.
    The cooling device 2 can, for example, be fastened to the accumulator 1 with clips 23 (FIG. 1). However, other fastenings are also possible, for example by means of pins or by means of rivets, etc., but generally relatively few fastening elements are required, since the coolant device 2 preferably extends continuously over an entire surface of the accumulator.
    The exemplary embodiments show possible design variants, it being noted at this point that combinations of the individual design variants with one another are also possible.
    For the sake of order, it should finally be pointed out that, for a better understanding of the structure, the accumulator 1 or the cooling device 2 are not necessarily drawn to scale.
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    LIST OF REFERENCE NUMBERS
    accumulator
    cooler
    memory module
    foil
    layer
    Coolant channel
    web
    Coolant inlet
    coolant outlet
    foil
    connecting area
    Plastic film
    reinforcing layer
    metal foil
    Plastic film
    reinforcing layer
    metal foil
    fiber layer
    coating
    element
    breakthrough
    spacer
    Bracket / 31
    N2017 / 14900 AT-00
    权利要求:
    Claims (13)
    [1]
    claims
    1. accumulator (1) with at least one storage module (3) for electrical energy and at least one cooling device (2) for cooling or temperature control for the at least one storage module (3), the cooling device (2) at least one coolant channel (6), at least has a coolant inlet (8) and at least one coolant outlet (9), characterized in that the cooling device (2) has a single-layer or multilayer film (4) and with this film (4) bears against the at least one memory module (3).
    [2]
    2. Accumulator (1) according to claim 1, characterized in that the cooling device (2) has a layer (5) made of a metal with which the film (4) is connected to form the at least one coolant channel (6).
    [3]
    3. Accumulator (1) according to claim 1, characterized in that the cooling device (2) has a further single-layer or multilayer film (10), the film (4) and the further film (10) to form the at least one coolant channel (6) are connected to one another between the film (4) and the further film (10).
    [4]
    4. Accumulator (1) according to one of claims 1 to 3, characterized in that the film (4) consists of a laminate which has a first plastic film (12), an associated reinforcing layer (13), one with the reinforcing layer (13 ) connected metal foil (14) or a metallized with the reinforcement layer (13) connected further plastic film.
    [5]
    5. Accumulator (1) according to claim 4, characterized in that the further film (10) has at least one second plastic film (15) which with the first plastic film (12) of the laminate of the film (4) partially in connection areas (11) is connected so that at least between the connection areas (11)
    21/31
    N2017 / 14900-AT-00 at least one cavity is formed, which forms the at least one coolant channel (6).
    [6]
    6. accumulator (1) according to claim 4, characterized in that the further film (4) consists of a laminate, the second plastic film (15), an associated reinforcing layer (16), a metal foil connected to the reinforcing layer (16) (17) or has a metallized further plastic film connected to the reinforcing layer (16).
    [7]
    7. accumulator (1) according to one of claims 4 to 6, characterized in that the reinforcing layer (13, 16) has a fiber reinforcement.
    [8]
    8. accumulator (1) according to claim 7, characterized in that the fiber reinforcement is formed by a fabric.
    [9]
    9. accumulator (1) according to any one of claims 4 to 8, characterized in that the first plastic film (12) and / or the second plastic film (15) and / or the metallized further plastic film consists of a plastic which is selected from a group consisting of PE, POM, PA, PPS, PET, cross-linked polyolefins, thermoplastic elastomers based on ether / ester, styrene block copolymers, silicone elastomers.
    [10]
    10. Accumulator (1) according to one of claims 1 to 9, characterized in that a plurality of foils (4, 10) are arranged vertically one above the other in the direction of the at least one memory module (3), between which a plurality of cooling channels (6) are formed.
    [11]
    11. Accumulator (1) according to claim 10, characterized in that a fiber layer (18) is arranged between the plurality of films (4, 10) arranged one above the other.
    22/31
    N2017 / 14900 AT-00
    [12]
    12. Accumulator (1) according to claim 11, characterized in that the coolant channel (6) or the coolant channels (6) is at least partially formed in the fiber layer (18).
    [13]
    13. Accumulator (1) according to one of claims 1 to 12, characterized in that the coolant outlet (9) and / or the coolant inlet (8) by a spacer element (22) between the film (4) and the further film (10) is formed.
    23/31
    N2017 / 14900 AT-00



    Miba Frictec GmbH
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    WO2018227223A1|2018-12-20|
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    WO2012072348A1|2010-11-30|2012-06-07|Behr Gmbh & Co. Kg|Device for conducting a cooling fluid, and cooling system for cooling an electrical component|
    FR3013515A1|2013-11-15|2015-05-22|Valeo Systemes Thermiques|COOLING DEVICE FOR AUTOMOTIVE BATTERY|DE102019205422A1|2019-04-15|2020-10-15|Audi Ag|Underrun protection with integrated cooling device, battery housing, battery and motor vehicle|DE102006045564A1|2006-09-25|2008-04-03|Behr Gmbh & Co. Kg|Device for cooling electrical elements|
    JP4948187B2|2007-01-26|2012-06-06|プライムアースＥｖエナジー株式会社|Laminated thin heater, laminated thin heater with lead wire, battery structure with heater, and heater unit|
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    JP2014078471A|2012-10-12|2014-05-01|Toshiba Corp|Secondary battery and secondary battery system|
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    US16/621,766| US20200153056A1|2017-06-13|2018-06-08|Rechargeable battery comprising a cooling device|
    PCT/AT2018/060120| WO2018227223A1|2017-06-13|2018-06-08|Rechargeable battery comprising a cooling device|
    DE112018002257.9T| DE112018002257A5|2017-06-13|2018-06-08|ACCUMULATOR WITH A COOLING DEVICE|
    CN201880039342.0A| CN111095666A|2017-06-13|2018-06-08|Electricity storage device with cooling device|
    PCT/AT2018/060131| WO2019006483A1|2017-06-13|2018-07-02|Rechargeable battery|
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