EP3942598A1 - Cooling device for cooling a separate object to be cooled - Google Patents
Cooling device for cooling a separate object to be cooledInfo
- Publication number
- EP3942598A1 EP3942598A1 EP20712475.1A EP20712475A EP3942598A1 EP 3942598 A1 EP3942598 A1 EP 3942598A1 EP 20712475 A EP20712475 A EP 20712475A EP 3942598 A1 EP3942598 A1 EP 3942598A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling
- cooling fin
- base body
- fastening element
- fin body
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 546
- 230000003993 interaction Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 10
- 238000005304 joining Methods 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
- H01L23/3672—Foil-like cooling fins or heat sinks
-
- 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
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/06—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
- H01L21/4871—Bases, plates or heatsinks
- H01L21/4882—Assembly of heatsink parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/10—Secondary fins, e.g. projections or recesses on main fins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
- F28F2255/16—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes extruded
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/08—Fastening; Joining by clamping or clipping
- F28F2275/085—Fastening; Joining by clamping or clipping with snap connection
Definitions
- Cooling device for cooling a third-party object to be cooled
- the invention relates to a cooling device for cooling a third-party object to be cooled, in particular a technical component.
- Corresponding cooling devices are basically known from the prior art.
- the cooling devices are usually flatly attached to a third-party object and have an enlarged surface, for example generated by cooling fins, so that thermal energy is transferred between the cooling device or the third-party object to be cooled provided with the cooling device and the room air surrounding the cooling device .
- the invention is based on the object of specifying a cooling device which can be manufactured in particular with a view to simple, fast and inexpensive manufacture.
- the object is achieved by a cooling device for cooling a third-party object to be cooled, in particular a technical component, according to claim 1.
- the dependent claims relate to possible embodiments of the cooling device.
- the invention relates to a cooling device for cooling a third-party object to be cooled, in particular a technical component, which has at least one cooling fin body comprising several cooling fins and at least one base body.
- the cooling device is characterized in that the cooling device has at least one base body, which is open at least on one side, in particular when viewed in cross section, which delimits a receiving space configured to receive at least one cooling fin body, the at least one cooling fin body comprising at least one fastening element which is configured with to interact with the at least one fastening element on the base body to form a fastening of the at least one cooling fin body received in the receiving space on the base body, and the base body comprises at least one fastening element which is set up with at least one fastening element on the cooling rib body side forming a fastening of the at least one receiving space Cooperate cooling fin body on the base body.
- a fastening element on the base body side can be arranged or formed on the base body.
- a fastening element on the cooling rib body side can also be attached to the Be arranged or formed cooling fin body.
- the respective fastening element on the base body and / or the cooling fin body can be provided as a one-piece, ie, for example, as an element of uniform material.
- at least one fastening element of the base body and / or the cooling fin body can be fastened as a separate component to the base body and / or the cooling fin body, in particular in a non-destructive detachable manner.
- the cooling fin body can be fastened to the base body directly or indirectly.
- the base body and / or the cooling fin body are or is preferably produced in an extrusion process, in particular in a process that forms an extruded aluminum profile. This can be, for example, one made of aluminum and / or another metal, such as. B. magnesium, copper, etc., act produced extruded profile. Because the cooling device is constructed as a multi-part cooling device through the at least one base body and the at least one cooling fin body, a compact cooling device can be achieved with a simultaneously high cooling surface.
- the cooling device when the base body and / or at least one cooling fin body is designed as an extruded profile, in particular made of aluminum, the cooling device can achieve good cooling performance, despite any manufacturing restrictions of the geometric design of the cooling device due to the extrusion method used. Because the cooling device is constructed in several parts, a more complex shape, in particular a complex cross-sectional shape, of the multi-part cooling device can be achieved in a simple manner. In comparison to a cooling device produced in one piece in an extrusion process, a multi-part cooling device made up of at least one extruded profile provides increased design options for its shape and cross-sectional contour.
- the optional cross-sectional view of the base body which is open at least on one side, can represent an opening on the lateral surface of a body that is prismatic in its basic shape. This opening or this open area can in particular also be present in the assembled state or in the final assembled state.
- the at least one opening on the lateral surface of the prismatic body preferably extends along its manufacturing axis, the manufacturing axis representing the direction of movement during the extrusion molding.
- the prismatic body has the shape of an irregularly shaped prismatic profile that is open or recessed on one side.
- a die can be used in the extrusion process which comprises at least one shaping, in particular raised, element which at least regionally shapes or forms the opening of the base body, which is open at least on one side, during the extrusion process.
- the longitudinal axis of a cooling device component produced in an extrusion process can correspond to the production axis or be aligned parallel to it and / or run at right angles to the production axis.
- the third object to be cooled by means of the cooling device can be an electrical and / or electronic component, in particular power electronics.
- the cooling device can be thermally contacting with the third object, preferably flat.
- the contact between the cooling device and the third object can be designed, for example, as an at least partially direct contact.
- the attachment or connection of the cooling device to the third-party object can take place in a form-fitting, cohesive and / or force-fitting manner.
- the cooling device can be glued to a surface of the third object that corresponds to a contact surface of the cooling device. Overall, it is achieved to achieve a cooling device that can be manufactured with reduced material expenditure, has a compact design and is also characterized by a high cooling capacity.
- the base body has a large number of additional cooling ribs, in particular aligned parallel, which are arranged or formed on a wall of the cooling body that delimits the receiving space and extends into the receiving space.
- the base body can thus consist of a first area, which primarily ensures the stability of the base body itself, and a further area provided with additional cooling fins.
- An additional cooling rib of the base body means that the cooling device provides further cooling ribs on the base body in addition to the multiple cooling ribs of the cooling rib body, namely additional cooling ribs on the base body which are in particular formed in one piece with the base body or made of the same material.
- the base body can provide a wall that is thicker than the cooling fins for the wall delimiting the receiving space. At least one wall of the base body that defines the receiving space thus has a stability function for the cooling device.
- the wall of the base body can be designed to be closed at least in sections. In particular, a section of the base body that forms the delimiting wall of the receiving space can be provided as a contact area for, in particular direct, contact with the third-party object to be cooled.
- the wall delimiting the receiving space can usually be provided in sections with perforations or with openings.
- Such breakthroughs or such breakthroughs in at least one wall section of the base body defining the receiving space can increase the surface area of the cooling device and / or improve thermal energy transfer between the cooling device and a, in particular liquid or gaseous, one flowing around and / or through the cooling device. Medium to the result. The latter effect can result from a targeted flow of the medium that is guided around or through the openings.
- the at least one fastening element on the base body can be arranged or formed, for example, on at least one cooling rib of the base body. It is thereby achieved that the fastening of the cooling rib body to the base body takes place at least in sections via the cooling ribs of the base body.
- the cooling fins of the base body have a double function, on the one hand the function as a heat exchanger or for transferring thermal energy between the base body and the medium surrounding the base body and a fastening function of the cooling fin body on the base body.
- the at least one fastening element on the base body is arranged or formed in the region of the free end of the at least one cooling rib.
- a fastening element for connecting a cooling fin body to the base body can be formed at least partially on the free tips or on the free ends of the cooling ribs of the base body.
- the at least one fastening element on the cooling rib body side can be arranged or formed on at least one cooling rib of the at least one cooling rib body.
- the cooling fin body has a large number of cooling fins which are at least partially connected to one another via a connection area, the connection or fastening of the cooling fin body to the base body being carried out via the fastening elements arranged on the cooling fins, in particular at the free ends of the cooling fins .
- the at least one cooling fin body-side fastening element in the area of a non-exposed end of the at least one cooling fin of the at least one cooling fin body in relation to the assembly state of the cooling device in which the at least one cooling fin body is received in the receiving space delimited on the base body is arranged or formed.
- the fastening element of the cooling fin body is arranged on an end of the cooling fin body facing the base body, in particular in the assembled state.
- the cooling fin body has the shape of a comb in cross section, according to which there is a connection area or base section from which individual, preferably all, cooling fins extend essentially at right angles into one, in particular single, side.
- the fastening element of the cooling fin body could be arranged on the side of the connecting region of the comb-like cooling fin body which is opposite the cooling fins.
- the cooling ribs or the free ends of the cooling ribs can extend in a direction pointing away from the connection area. If an assembly state is mentioned in the description, this can include an intermediate assembly state and / or a final assembly state of the multi-part cooling device.
- the length ratio of the cooling fins on the base body to the cooling fins on the cooling fin body is in a range between 0.30 to 3.00, preferably in a range between 0.50 to 2.0, particularly preferably in a range of 0, 65 to 1.55. Furthermore, it can be provided that the length ratio of the cooling ribs on the base body and the cooling ribs on the body corresponds to at least approximately 1.0. In other words, the length ratio of the cooling fins on the base body and the cooling ribs on the body can be between 0.95 and 1.05. In particular, if the cooling fins on the base body and on the cooling fin body are geometrically similar and / or identical or have an identical or similar length ratio, a more homogeneous flow through and / or around the cooling fins can be achieved.
- the cooling device comprises a first cooling fin body comprising a plurality of cooling fins and a second cooling fin body comprising a plurality of cooling fins, the first cooling fin body comprising at least one fastening element which is set up with the at least one fastening element on the base body, forming a fastening of the one received in the receiving space
- the second cooling fin body comprises at least one fastening element which is set up to interact with at least one fastening element of the first cooling fin body to form a fastening of the second cooling fin body on the first cooling fin body.
- a structure is thus achieved in which the second cooling fin body is connected or can be connected to the base body at least in some areas, in particular exclusively, via its attachment to the first cooling fin body. It can thus be achieved, for example, that the second cooling fin body is carried exclusively by the first cooling fin body. If the first cooling fin body is fastened to the main body, the second cooling fin body is only fastened to the main body via the first cooling fin body. In other words, the second cooling fin body is only indirectly connected to the base body via the first cooling fin body or attached.
- cooling fins of the first cooling fin body and the cooling fins of the second cooling fin body are arranged or aligned parallel to one another in the assembly position with regard to their respective main axes of extension or their respective longitudinal axes are.
- at least some, in particular all, of the cooling fins of the first cooling fin body are arranged or aligned parallel and offset or parallel to the cooling fins of the second cooling fin body.
- the cooling fins of the base body and the cooling fins of the first cooling fin body are aligned in the longitudinal direction in the installed state of the cooling device in which the cooling fin body is accommodated in the receiving space limited on the base body and / or the cooling fins of the second cooling fin body and the cooling fins of the first cooling fin body are aligned in the longitudinal direction in the intended state fastened to the first cooling fin body.
- An aligned alignment of two groups of cooling fins means that the longitudinal axes of the respective cooling fins of the first cooling fin body and the second cooling fin body or the base body and at least one cooling fin body lie on a common axis or in a common plane.
- cooling fins of a first and a second cooling fin body and / or the cooling fins of the base body and at least the first cooling fin body are aligned with one another in the assembled state, this can have the advantage that a more uniform arrangement of the cooling fins results in the assembled state or when the cooling device is in use.
- the more uniform arrangement of the cooling fins can lead to a more homogeneous flow situation for the medium flowing around and / or through the cooling device and / or to a homogeneous exchange of thermal energy between the cooling device and the medium flowing around and / or through it.
- the at least one cooling rib body has a rectangular base section, especially when viewed in cross section, on which the cooling ribs on the cooling rib body side are arranged or formed, in particular extending away from the base section, and the base body in the area of a
- the wall delimiting the receiving space has a particularly recess-like or recess-shaped receiving section provided for this purpose, the at least one cooling fin body being received in the receiving space delimited on the base body when the cooling device is installed.
- the receiving section can form a partial area of the base body which is designed for fastening the cooling fin body to be received in the receiving space.
- the receiving section For example, comprise a non-positive and / or form-fitting retaining element, which is designed, for example, in the manner of a clip or snap-lock connection and ensures that the cooling fin body is held on or in the base body.
- a heat-conducting paste and / or a heat-conducting element for example a heat-conducting film, is applied or arranged at least in sections between the main body and the cooling fin body.
- the transfer of thermal energy between the main body and the cooling fin body connected to the main body can be improved in that the cooling fin body forms a predominantly, in particular completely, flat contact area with the main body, in particular via the receiving section.
- the at least one fastening element on the base body and / or the at least one fastening element on the cooling rib body can be designed, for example, as a form-fit and / or force-fit element designed to form a form-fitting and / or force-fit fastening.
- at least one fastening element, in particular the fastening elements on the cooling rib body side and the base body side provided for joining, can be designed in such a way that they form a connection in the manner of a press fit or an interference fit.
- fastening elements on the cooling rib body side and / or the base body side can also be connected to one another by caulking the fastening elements with one another, in which case at least one of the two fastening elements can be plastically deformed, in particular during the connection. So the two fasteners z. B. inextricably wedged or non-destructively releasable together.
- an integral connection can be provided between the fastening element on the base body and the cooling fin body and / or between a first fastening element on the cooling fin body and a second fastening element on the cooling fin body, in particular the material connection can be formed in the course of a welding process and / or an adhesive process.
- the examples cited herein for a non-positive and / or positive connection of two fastening elements can relate to the connection of two cooling fin bodies to one another and / or the connection of at least one cooling fin body to a base body.
- the at least one fastening element on the base body can be designed as a projection that is radially widened at least in sections, in particular when viewed in cross section, or comprise such a projection, the at least one fastening element on the cooling rib body as a recess and / or a receptacle for receiving a be formed corresponding projection or at least includes one such.
- the at least one fastening element on the cooling rib body side can be designed as a protrusion that is radially widened at least in sections, in particular when viewed in cross section, or comprise at least one such, the at least one base body fastening element being designed as a recess for receiving a corresponding protrusion or at least one such .
- a radially widened projection “viewed in cross section” means in the present sense that a projection extends transversely to the longitudinal extent of a cooling rib or a projection extends radially from the longitudinal axis of the cooling rib, in particular perpendicular to the longitudinal axis.
- the at least one fastening element on the base body can be aligned and / or set up in such a way that the at least one fastening element on the base and the at least one fastening element on the cooling fin body interacts in an effective direction parallel to the longitudinal extent of the cooling fins on the cooling fin body.
- a joining direction for joining the base body with at least one cooling fin body and / or for joining at least two cooling fin bodies can run parallel to the longitudinal axis of the cooling fins on the cooling fin body and / or on the base body, or the components of the cooling device can be configured accordingly.
- the cooling ribs on the cooling rib body side and the cooling ribs on the base body side are aligned parallel to the joining direction and in particular additionally parallel to the longitudinal extension of the cooling ribs on the cooling rib body side. Because the cooling ribs of the cooling rib body and the cooling ribs of the base body are aligned parallel to one another, a joining force can act on the cooling device during the joining without bending or even kinking of the cooling ribs.
- the at least one cooling fin body can have a base section, in particular configured in a wave-like or meandering shape, via which adjacent cooling fins are connected to one another to form the cooling fin body.
- This undulating or meandering course of the connecting section or base section connecting the individual cooling fins of the cooling fin body makes it possible to achieve a compact design for the cooling fin body while using little material.
- the base section or the connecting section of the cooling fin body can also have lead-in bevels which can have a centering and / or guiding function when the cooling fin body is assembled or joined to the base section.
- At least one fastening element on the cooling rib body side can be integrated into the base section.
- the at least one, in particular all, fastening elements on the cooling fin body are designed as an integral component of the cooling fin body or in one piece in the base section of the cooling fin body.
- the invention also relates to a cooling fin body comprising a plurality of cooling fins and at least one fastening element, which is designed to be fastened or fastenable to a fastening element of a cooling device described herein. Furthermore, the invention also relates to an arrangement comprising a cooling device according to one of the preceding claims and a third object to be cooled, the cooling device being connected or connectable to the third object, in particular over a large area.
- a heat conduction paste and / or a heat conduction element e.g. B. a thermally conductive foil can be arranged.
- an arrangement can also be provided which comprises a cooling device described herein, wherein the base body can be fastened with at least one first cooling fin body and a second, in particular one different from the first cooling fin body.
- a set of several, possibly differently designed, cooling fin bodies can be present, which are received in the receiving space of the base body as required.
- the invention also relates to an arrangement comprising a cooling device described herein comprising a base body, wherein the base body can be fastened with at least a first and a second, in particular a cooling fin body different from the first.
- the arrangement can, for. B. comprise two differently designed cooling fin bodies, which can optionally be inserted into the receiving spaces of differently designed base bodies.
- a second cooling fin body in particular exclusively, is directly connected to the first cooling fin body and the first cooling fin body, in particular exclusively, is directly connected to the base body.
- a first and a second cooling fin body can be arranged next to one another within a receiving space of the base body.
- a first cooling fin body is, in particular exclusively, fastened directly to or in a base body and a second cooling fin body, in particular exclusively, is arranged and fastened directly on or in the same base body.
- two, in particular differently designed, cooling rib bodies can be arranged next to one another in the receiving space of the base body.
- the cooling device has a modular structure, so that at least two identical or different cooling fin bodies can optionally be received or can be received in the receiving space of the base body.
- the at least two cooling fin bodies can also be dimensioned and / or designed in such a way that they have a grid dimension relative to one another, so that, for. B. optionally a large cooling fin body or two small cooling fin body can be accommodated in the receiving space of the base body.
- the grid dimension can be taken into account in the dimensioning and / or configuration of the base body and / or the at least two cooling fin bodies so that a first group of identical cooling fin bodies in the assembled state has an extension, in particular a longitudinal extension, which is an integral multiple of the extension, in particular corresponds to the longitudinal extent of a second group of identically designed cooling rib bodies received in the recess of the base body in the assembled state.
- the modular structure makes it possible to use different or identical cooling fin bodies for assembly in at least two identical or at least two different receiving spaces of base bodies.
- the delimitation that is directed towards the opening and produced by the cooling fin body is preferably identical, regardless of whether a large cooling fin body or two small cooling fin bodies are arranged or formed in the receiving space of the base body.
- FIG. 1 shows a schematic illustration of a cooling device according to an exemplary embodiment
- FIG. 2 shows a schematic detailed illustration of a cooling device according to FIG. 1;
- FIG. 3 shows a perspective basic illustration of a cooling device according to FIG. 1;
- FIG. 4 shows a schematic illustration of a cooling device according to a
- FIG. 5 shows a perspective basic illustration of a cooling device according to FIG. 4;
- FIG. 6 shows a schematic representation of a cooling device according to a
- FIG. 7 shows a schematic detailed illustration of a cooling device according to FIG. 6;
- FIG. 8 shows a schematic illustration of a cooling device according to a
- FIG. 9 shows a schematic detailed illustration of a cooling device according to FIG. 8.
- FIG. 10 shows a schematic basic illustration of a cooling device according to an exemplary embodiment.
- FIG. 1 shows a cooling device 1 for cooling a third-party object to be cooled (not shown), in particular a technical component (not shown).
- the cooling device 1 has at least one cooling fin body 3, 3 'comprising a plurality of cooling fins 2, 2' and at least one base body 4 which is open at least on one side, particularly when viewed in cross section.
- the base body 4 has a single opening 5 on one side.
- the base body 4 is U-shaped, with two legs 6, 6 'being connected to one another by a connecting section 7 and the opening 5 being formed on the side of the cooling device 1 opposite the connecting section 7.
- the opening 5 is delimited by ‘in the region of the free ends of the two legs 6, 6.
- the base body 4, 4 ' can also have at least two openings 5, in which case z. B. at least one of the legs 6, 6 'and / or the connecting section 7 can have an opening (not shown) at least in sections.
- the at least one cooling fin body 3, 3 ′ comprises at least one
- Fastening element 9, 9 ‘ which is set up to interact with the at least one fastening element 10 on the base body to form a fastening 11 or a connection of the at least one cooling fin body 3, 3‘ received in the receiving space 8, 8 ‘on the base body 4.
- the base body 4, 4 ' comprises at least one fastening element 10, which is set up with at least one fastening element 9, 9' on the cooling fin body side forming a fastening 11 or a connection of the at least one cooling fin body 3 received in the receiving space 8, 8 ', 3 'to cooperate on the base body 4, 4'.
- the base body 4, 4 ' comprises a plurality, d. H. z. B. at least two, in particular parallel, additional cooling fins 12, which are arranged or formed in the receiving space 8, 8 den extending on a wall 13 of the base body 4, 4 delimiting the receiving space 8, 8.
- the wall 13 is preferably - such. B. shown in Figure 1 - formed by the receiving space 8, 8 ‘facing surface of the connecting section 7 of the U-shaped base body 4, 4‘.
- the wall 13 or the connecting section 7 and / or at least one leg 6, 6 can optionally have openings (not shown) which, for. B. allows a medium surrounding the cooling device 1 to pass.
- the at least one fastening element 10 on the base body is arranged or formed, for example, on at least one cooling rib 3 of the base body 4.
- the at least one fastening element 10 on the base body can be arranged or formed in the region of the free end 14 of the at least one cooling rib 12.
- all the fastening elements 10 on the base body can be arranged or formed lying in a common plane.
- At least two, preferably at least half, particularly preferably all of the fastening elements 10 on the base body are arranged or formed lying in a common plane and this common plane is parallel to a main plane of extent of the base body, a main plane of extent of the connecting section and / or the main plane of extent of at least one leg 6, 6 'is aligned.
- the at least one fastening element 9, 9 ′ on the cooling rib body side can be arranged or formed, for example, on at least one cooling rib 2, 2 ′ of the at least one cooling rib body 3, 3 ′.
- the fastening element 9, 9 'on the cooling rib side is on a, in particular distal, opening 5 in the assembled state, in particular from the opening 5 allowing the cooling rib body 3, 3' to pass into the receiving space 8, 8 'of the base body 4, 4' , End region facing away from the at least one cooling fin 2, 2 'of the cooling fin body 3, 3' is arranged or formed.
- the fastening elements 9, 9 ′ on the cooling rib side can be arranged on the end 15, 15 ′ of the cooling rib 2, 2 ′ opposite the exposed end and / or the end of the cooling ribs 2, 2 ′ facing the opening.
- the length ratio of the cooling fins 12 on the base body to the cooling fins 2, 2 ′ on the cooling fin body is in a range between 0.30 to 3.00, preferably in a range between 0.50 to 2.0 , particularly preferably in a range from 0.65 to 1.55, most preferably in a range from 0.95 to 1.05.
- the cooling fins 2, 2 ', 12 are designed such that the ratio of the length 16 of the cooling fins 12 on the base body to the length 17 of the cooling fins 2, 2' on the cooling fin body is in the ranges mentioned above.
- the maximum, the minimum and / or the averaged (in particular arithmetic mean, quadratic mean, quadratic mean and / or averaged by a median) length 16, 17 of the cooling fins 2, 2 on the cooling fin body and / or the base body can be used ', 12 should be considered.
- all cooling ribs 2, 2 ′ on the cooling rib body have a length 17 which is identical to one another.
- All cooling fins 12 on the base body also have lengths 16 which are identical to one another.
- embodiments are thus also possible whose cooling fins 2, 2 ′, 12 on the cooling rib body side and / or the base body side are of the same length and thus have a ratio of at least approximately 1.0.
- a cooling device 1 which comprises a first cooling fin body 3 comprising a plurality of cooling fins 2 and a second cooling fin body 3 'comprising a plurality of cooling fins 2', the first cooling fin body 3 comprising at least one fastening element 9 which is set up with the at least one Base body-side fastening element 10 to cooperate with the formation of a fastening 11 of the cooling fin body 3 received in the receiving space 8, 8 'on the base body 4, 4', and the second cooling fin body 3 'comprises at least one fastening element 9' which is set up with at least one, in particular further, fastening element 19 of the first cooling fin body 3 to cooperate with the formation of a fastening 18 or connection of the second cooling fin body 3 'to the first cooling fin body 3.
- the first cooling fin body 3 arranged between the base body 4 and the second cooling fin body 3 ' has two fastening elements 9, 19, the fastening element 9 for connection to the fastening element 10 on the base body and the ( further) fastening element 19 is used for connection to the fastening element 9 'arranged on or in the second cooling fin body 3'.
- the further fastening element 19 of the first cooling fin body 3 facing the second cooling fin body 3 ′ in the assembled state and the fastening element 10 on the base body can be designed or configured at least similarly and / or similarly and / or identically.
- the fastening element 9 of the first cooling fin body 3 facing the base body 4, 4 ′ in the assembled state and the fastening element 9 ′ of the second cooling fin body 3 facing the first cooling fin body 3 in the assembled state can be at least similar and / or similar and / or identical.
- This enables z. B. that with regard to the fastening elements 9, 9 ', 19, the at least two in a receiving space 8, 8' of the base body 4, 4 'to be received cooling rib bodies 3, 3' can be designed similar and / or identical.
- the at least two cooling fin bodies 3, 3 'to be accommodated in the interior 8, 8' of the base body 4, 4 'in the assembled state can be designed as identical parts, that is, regardless of the order in which the respective cooling fin bodies 3, 3' are assembled, the at least two cooling fin bodies 3, 3 'to one another and at least one cooling fin body 3, 3' to the base body 4, 4 '.
- the second cooling fin body 3 ′ is connected to the base body 4 exclusively via its contact or via its connection 18 with the first cooling fin body 3.
- the second cooling fin body 3 ′ can thus be carried exclusively by the first cooling fin body 3, ie the second cooling fin body 3 ′ has no direct connection to the base body 4.
- the base body 4, 4 'and / or at least one cooling fin body 3, 3' can have a mirror-symmetrical shape, particularly when viewed in cross section.
- the cooling fins 12 of the base body 4, 4 'and the cooling fins 2 of the first cooling fin body 3 or the further cooling fin body 3' can in the assembled state of the cooling device 1, in which the cooling fin body 3 is accommodated in the receiving space 8, 8 'delimited on the base body, in the longitudinal direction be aligned in alignment, and / or the cooling fins 2 'of the second cooling fin body 3' and the cooling fins 2 of the first cooling fin body 3 in the intended condition attached to the first cooling fin body 3 be aligned in the longitudinal direction, cf. FIGS. 1 to 5.
- the central longitudinal axis of the cooling fins 12 on the base body side, viewed in particular in cross section, and the central longitudinal axis of the cooling fins 2 of the first cooling fin body 3, viewed in particular in cross section, can coincide or lie on a common axis, cf. 2.
- the central longitudinal axis of the cooling fins 2 of the first cooling fin body 3, viewed in particular in cross section can coincide with the central longitudinal axis of the cooling fins 2 'of the second cooling fin body 3' attached to the first cooling fin body 3, or on one common axis.
- the at least one cooling fin body 3, 3 'can have, for example, a base section 20, 20', in particular with a rectangular cross-section or cross-section, on which the cooling fins 2, 2 'on the cooling fin body side are arranged or formed extending are, and the base body 4, 4 'in the area of a wall 13 delimiting the receiving space 8, 8' has a particularly recess-like or recess-shaped receiving section 21, 21 'provided for this purpose, the at least one cooling fin body 3, 3' in the assembled state of Device or the cooling device 1, in which the at least one cooling fin body 3, 3 ′ is received in the receiving space 8 delimited on the base body side.
- the base section 20, 20 'of the cooling fin body 3, 3' which is rectangular in cross-section, is arranged or configured in such a way that a cooling fin body 3, 3 'produced in an extrusion process is at least transverse to the extruded strand forming it, ie at least transversely to the movement of the Pressings have a rectangular shape through the die.
- the cooling fin body 3, 3 ' can alternatively or additionally have a comb-like shape when viewed in cross section; the base section 20, 20' can serve as a connection area for connecting the at least two cooling fins 3, 3 'within a cooling fin body 2, 2' to one another.
- the base body 20 of the cooling fin body 3 can be positively and / or positively in the receiving section 21 of the base body 4 can be received or connected.
- the base section 20 can be connected to the receiving section 21 via a shrink connection.
- Form-fitting elements can also be provided which, for. B. in the form of latching lugs 27, in particular of the longitudinal extent of the base body 4, 4 'and / or the longitudinal extent of the cooling rib body 3, 3' extending latching lugs 27 or locking strips are formed and with corresponding locking counter elements 28 or locking counter strips in operative connection stand.
- fastening elements 10 are arranged on the wall 13 of the base body 4, 4 ′, which are connected to the corresponding fastening elements 9 of the cooling fin body 3.
- the at least one fastening element 10 on the base body side and / or the at least one fastening element 9, 9 ‘, 19 on the cooling rib body side is designed as a form and / or force-locking element designed to form a form-fitting and / or force-fitting fastening 1 1, 18.
- at least one fastening 11, 18 or the interaction of the fastening elements 9, 9 ‘, 10, 19 can have an at least cohesive connection component.
- a paste (not shown) and / or film (not shown), in particular a heat-conducting film and / or film (not shown), between the receiving section 21, 21 'on the base body and the base section 20, 20' on the cooling rib body-side, having at least one heat-conducting function / or thermal paste is arranged.
- the thermal conductivity function of a paste and / or film used can make up at least a not insignificant effect of the paste or film; this is usually the case when the thermal conductivity of the paste or film is sufficiently high.
- the at least one base body-side fastening element 10 can be designed, for example, as a projection 22 that is radially widened at least in sections, in particular in cross section (e.g. of base body 4, 4 ') and / or in longitudinal section of a raised fastening element 10, or at least include one such , and the at least one fastening element 9 on the cooling fin body side can be designed as a recess 23 for receiving a corresponding projection 22 or comprise at least one such.
- the at least one fastening element 9, 9 ′, 19 on the cooling rib body side can be configured as one, in particular in cross section (for example of the base body 4, 4 ') and / or, viewed in the longitudinal section of a raised fastening element 19, a projection (not shown) that is at least partially radially widened, or at least include one, and the at least one fastening element 10 on the base body as a recess for receiving a corresponding projection (not shown) shown) be formed or at least include one such.
- a projection 22 which is received in a recess 23 of a connection partner, in addition to a fastening 11 or connection of a cooling fin body 3 to the base body 4, 4 ′, can alternatively or additionally be used for a fastening 18 or for a connection between two cooling fin bodies 3, 3 'be provided with each other.
- at least one projection 22 can be designed as a means producing a force-fit connection.
- a press fit and / or caulking can be implemented.
- the at least one fastening element 10 on the base body side can, for example, be aligned and / or set up in such a way that the at least one fastening element 10, 9 'on the base body and the at least one cooling fin body side fastening element 10, 9' interact in an effective direction parallel to the longitudinal extent of the cooling fins 2, 2 'on the cooling fin body side.
- the at least one cooling fin body 3, 3 ‘ can, for example, have a base section 20, 20, in particular a wavy running, or connecting area, via which adjacent cooling fins 2, 2 e are connected to one another to form the cooling fin body 3, 3‘.
- the base section 20, 20 ‘or the connecting area can alternatively or additionally have a meandering shape, with the cooling fins 2, 2 in particular extending from the base section 20, 20‘ or from the connecting area lying exclusively on one longitudinal side.
- the cooling fins 2, 2 ' preferably extend on the side of the base section 20, 20' facing away from the base body 4, 4 'and preferably proceeding from the base section 20, 20' into and away from the base body 4, 4 ' pointing direction.
- the base section 20, 20 'of the cooling fin body 3, 3', in particular at least one recess 23 of the base section 20, 20 'of the cooling fin body 3, 3' can have at least one insertion bevel 24 or centering bevel.
- the lead-in bevel 24 or centering bevel can, in particular, simplify the bringing together or joining of a base body 4, 4 'to form a cooling fin body 3, 3' and / or bringing together or joining two cooling fin bodies 3, 3 'to be connected, since the Ein manufacturedMrgen 24 a feed movement guided at least in sections towards the end position of the merging is made possible.
- the at least one fastening element 9, 9 ‘on the cooling rib body side can preferably be integrated into the base section 20, 20‘, d. H. z. B. that the cooling fin body-side fastening element 9, 9 kör is made of the same material or in one piece with the base section 20, 20 ‘. Also that of the base section 20, 20 'opposite
- Fastening element 19 can be made of the same material and thus integrated with a cooling fin body 3, 3 'or with the cooling fin 2, 2' of a cooling fin body 3, 3 '.
- An arrangement can comprise a cooling device 1 described herein and a third-party object (not shown) to be cooled, the cooling device 1 being connected or connectable to the third-party object, in particular over a large area.
- both the cooling device 1 and the third object can each have a flat area which enables flat contact in the assembled state and consequently enables good heat conduction or good transfer of thermal energy between the cooling device 1 and the third object.
- An arrangement can also be provided, for example, which comprises a cooling device 1 described herein, wherein the base body 4, 4 'with at least one first cooling fin body 3, in particular directly, and at least one further, in particular different or identical cooling fin body, preferably directly, can be fastened or connected. It can prove to be advantageous to design the cooling fin body 3, 3 'with respect to their dimensioning in such a way that the dimensioning corresponds to a grid dimension, ie. H.
- a first cooling fin body 3 can be an identical or non-identical, in particular an integer, n-fold cooling fin body length 25, 25 ′′ and / or an, in particular an integer, n-fold to a further cooling fin body
- the cooling fin body 3 can have the cooling fin body 3 already shown in FIG , 3 'in or on a first subspace (see right side) of the receiving space 8' and in or on a further subspace (see left side) of the receiving space 8 'accommodate two further cooling rib bodies 3, 3', the two further Cooling fin bodies 3, 3 'can be designed identically to the cooling fin bodies 3, 3' on the left-hand side. In other words, a total of four can be in or on the base body 4 'or in its receiving space 8' Cooling fin body 3, 3 'are added, each a uniform
- cooling fin body height 26 and a uniform cooling fin body length 25 Have cooling fin body height 26 and a uniform cooling fin body length 25. Consequently, these four cooling fin bodies 3, 3 'can be provided as identical parts.
- the cooling fin bodies 3, 3 ′ arranged within a layer or plane can touch one another at their separation point 29 or be arranged at a distance from one another. In the event of touching or contact of at least two adjacent cooling fin bodies 3, 3 ‘, a transfer of thermal energy between the at least two cooling fin bodies 3, 3‘ at the separation point 29 can be promoted. This can promote the efficiency of the cooling device 1.
- a single, further cooling fin body (not shown) has a cooling fin body height 26' which corresponds to one, in particular an integer, n times (here double) the height of the cooling fin body 26 of the cooling fin body or bodies 3, 3 '.
- a further cooling fin body can have a cooling fin body height 26 'which corresponds to the cooling fin body height 26 of at least two first cooling fin bodies 3, 3'.
- two cooling fin bodies arranged parallel to one another can also be accommodated in the receiving space 8 ', each of which has a cooling fin body length 25' and a cooling fin body height 26.
- a set of cooling fin bodies 3, 3 ' can be provided which, depending on the dimensions of the base body 4, 4' and / or depending on the desired performance of the cooling device 1 (for example, not all sub-spaces of the receiving space 8, 8 'are possible with absorbable cooling rib bodies 3, 3 '“filled” and thus a smaller surface area of the cooling device 1 is achieved), are to be accommodated in the receiving space 8, 8' of the base body 4, 4 '.
- a modular structure can be achieved, which enables several identical or different cooling fin bodies 3, 3 'to be joined together with several identical or different base bodies 4, 4'.
- the cooling device 1 can have a cuboid shape which, when viewed in cross section, is rectangular, the cooling fin bodies 3, 3 'arranged in the receiving space 8, 8' being aligned, arranged and / or dimensioned in such a way that the cooling fin bodies 3, 3 'or The cooling fins 2, 2 'of the cooling fin bodies 3, 3' do not protrude beyond the cross-sectional rectangular shape.
- the cooling fin bodies 3, 3 'in the assembled state are flush with the opening 5 or flush with the free ends of the legs 6, 6' of the base body 4, 4 '.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019107280.8A DE102019107280A1 (en) | 2019-03-21 | 2019-03-21 | Cooling device for cooling a third-party object to be cooled |
PCT/EP2020/056451 WO2020187657A1 (en) | 2019-03-21 | 2020-03-11 | Cooling device for cooling a separate object to be cooled |
Publications (1)
Publication Number | Publication Date |
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EP3942598A1 true EP3942598A1 (en) | 2022-01-26 |
Family
ID=69846417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20712475.1A Pending EP3942598A1 (en) | 2019-03-21 | 2020-03-11 | Cooling device for cooling a separate object to be cooled |
Country Status (6)
Country | Link |
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US (1) | US20220178625A1 (en) |
EP (1) | EP3942598A1 (en) |
KR (1) | KR102560647B1 (en) |
CN (1) | CN113841226A (en) |
DE (1) | DE102019107280A1 (en) |
WO (1) | WO2020187657A1 (en) |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3024748C2 (en) * | 1980-06-30 | 1986-09-04 | Aluminium Walzwerke Singen Gmbh, 7700 Singen | Heat sinks for semiconductor components |
DE3335365A1 (en) * | 1983-09-29 | 1985-04-18 | Siemens AG, 1000 Berlin und 8000 München | DEVICE FOR DETACHABLE FIXING OF A REFRIGERATOR BODY ON AN INTEGRATED BLOCK |
DE9014091U1 (en) * | 1990-10-10 | 1992-02-13 | Robert Bosch Gmbh, 7000 Stuttgart, De | |
EP0956587A2 (en) * | 1996-01-27 | 1999-11-17 | Manfred Diels | Method of manufacturing cooling devices made up of several metal shaped-section elements for mounting on semiconductor components, shaped-section elements for use in the manufacture of such cooling devices and cooling devices manufactured by the method |
US6009938A (en) * | 1997-12-11 | 2000-01-04 | Eastman Kodak Company | Extruded, tiered high fin density heat sinks and method of manufacture |
DE19900970A1 (en) * | 1999-01-13 | 2000-07-20 | Joachim Glueck | Heat sink device for semiconductor elements or electric motor has extruded lightweight metal base profile provided with projecting spaced cooling ribs |
DE10058574B4 (en) * | 2000-11-24 | 2005-09-15 | Danfoss Drives A/S | Cooling unit for power semiconductors |
DE10141988C1 (en) * | 2001-08-28 | 2003-01-09 | Manfred Diels | Modular heat sink manufacturing method uses transverse pressure for clamping projection of one extruded profile in channel of adjacent extruded profile by plastic deformation of Al wire |
US6916122B2 (en) | 2002-03-05 | 2005-07-12 | Jds Uniphase Corporation | Modular heat sinks |
US7151669B2 (en) * | 2003-07-18 | 2006-12-19 | Kechuan K Liu | Configurable heat sink with matrix clipping system |
US20080068805A1 (en) * | 2006-09-15 | 2008-03-20 | Foxconn Technology Co., Ltd. | Heat sink assembly for multiple electronic components |
DE102009012042B4 (en) * | 2009-03-07 | 2011-01-05 | Esw Gmbh | Device for cooling electrical or electronic components |
JP2011154929A (en) * | 2010-02-15 | 2011-08-11 | Sun-Lite Sockets Industry Inc | Heat exhausting device |
US8673473B2 (en) * | 2010-08-10 | 2014-03-18 | GM Global Technology Operations LLC | Integrated cooling fin and frame |
DE102011076325B4 (en) * | 2011-05-24 | 2016-05-04 | Semikron Elektronik Gmbh & Co. Kg | Cooling arrangement for a power electronic component with subsystems and a cooling device |
CN104981130A (en) * | 2014-04-02 | 2015-10-14 | 华硕电脑股份有限公司 | Heat radiating fin and heat radiating module |
-
2019
- 2019-03-21 DE DE102019107280.8A patent/DE102019107280A1/en active Pending
-
2020
- 2020-03-11 EP EP20712475.1A patent/EP3942598A1/en active Pending
- 2020-03-11 CN CN202080036497.6A patent/CN113841226A/en active Pending
- 2020-03-11 US US17/441,432 patent/US20220178625A1/en active Pending
- 2020-03-11 KR KR1020217033799A patent/KR102560647B1/en active IP Right Grant
- 2020-03-11 WO PCT/EP2020/056451 patent/WO2020187657A1/en active Application Filing
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KR20210139415A (en) | 2021-11-22 |
WO2020187657A1 (en) | 2020-09-24 |
KR102560647B1 (en) | 2023-07-27 |
DE102019107280A1 (en) | 2020-09-24 |
CN113841226A (en) | 2021-12-24 |
US20220178625A1 (en) | 2022-06-09 |
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