A manifold for a heat exchanger and a corresponding method of manufacturing thereof

Abstract

A header (10a, 10b) can be provided in a heat exchanger device (100) and comprises a containment wall (22) delimiting an internal chamber (23) capable of containing at least one heat transfer fluid (F1), and at least one protrusion (25) connected to the containment wall (22), provided with one or more openings (26) capable of containing respective end portions (20a, 20b) of heat exchange elements (16) for the circulation of the heat transfer fluid (F1). Each opening (26) is configured to cooperate in a positive manner with each of the end portions (20a, 20b) without protruding into the internal chamber (23), and each opening (26) is configured to delimit an abutment portion (30) for abutting against the end portions (20a, 20b).

Description

Technical Field

[0001] The present invention relates to a manifold for a heat exchange device, which can be used in facilities with large-scale cooling capacity, preferably commercial and / or industrial facilities, and also to a method for manufacturing the manifold. Background Technology

[0002] Heat exchange devices are known to be available for use in commercial or industrial facilities, such as those using dry coolers for cooling.

[0003] These facilities typically consist of multiple adjacent modules, each defined as a heat exchanger, which can function as a cooling device.

[0004] Each heat exchanger may include: one or more fan units and one or more heat exchange arrays; for example, the fan unit is located at the top of the heat exchanger and is used to generate airflow from one or more inlet areas to an outlet area; the heat exchange array is provided with multiple heat exchange elements and spaced apart by heat exchange fins. Each heat exchange element includes multiple channels or microchannels.

[0005] Each heat exchanger includes at least one inlet manifold and at least one outlet manifold, which are respectively connected to the upper and lower ends of the heat exchange element to allow the heat transfer fluid to circulate within the channels. The heat transfer fluid may be, for example, water mixed with ethylene glycol, or a phase change medium, i.e., a refrigerant.

[0006] The heat exchange array can be tilted at the same mirror angle relative to the base of the heat exchange device, essentially forming a V-shaped arrangement, or the heat exchange array can have different configurations.

[0007] Each manifold includes multiple through openings whose shape matches the shape of the opposite end of the heat exchange element to accommodate the end. Typically, these through openings are formed on the manifold by stamping.

[0008] Currently, stamping processes are only applied to manifolds with circular cross-sections, which may significantly limit the shape of the manifolds themselves. Furthermore, the manufacture of these manifolds begins with rolled blanks, which are first bent and then straight-seam welded.

[0009] The stamping process causes the manifold material to deform inwards, while also creating an outward bulge. Then, the end of the heat exchange element is inserted into the inlet or outlet manifold, protruding inwards.

[0010] One drawback of this process is that the protrusions and folds at the ends of the heat exchange elements can obstruct the flow of heat transfer fluid through the manifold, resulting in a greater pressure drop.

[0011] Another drawback is that the protrusions of the heat exchange elements inside the manifold can create areas where dirt, debris, and / or liquid can accumulate. These deposits can also cause problems related to corrosion-induced material wear.

[0012] Furthermore, the protrusions present between the openings at the ends of the heat exchange elements create potential fouling deposit zones, which require brazing to seal the heat exchange elements to the manifold. This can further trigger external corrosion processes, leading to fluid leaks occurring at the connection points between these elements and the manifold.

[0013] In the automotive field, heat exchangers are known in patent documents such as WO 2014 / 123474 and US 8720535, in which the manifold has a flat, elongated opening for inserting a corresponding plate into each opening. Each opening is surrounded by a ring, so that each plate is surrounded by the ring when inserted into the corresponding opening, thereby significantly enhancing the structural strength of the heat exchanger.

[0014] In WO 2014 / 123474, the manifold and the plate are preferably made of aluminum so that they can be joined by in-furnace brazing. The elongated opening and its annulus are formed by molding.

[0015] In US Patent 8720535, the elongated opening is made by "bulging" by using a punch of a suitable shape to form the cone shape of the elongated opening for insertion into the plate.

[0016] Therefore, it is necessary to improve a manifold for heat exchange devices to overcome at least one drawback of the prior art.

[0017] Therefore, the necessary technical problem to be solved is to provide a manifold that can form openings (e.g., grooves) on itself to accommodate the ends of heat exchange elements and connect or couple the heat exchange elements to the manifold, while avoiding the formation of areas where dirt, debris and / or liquid are deposited, and avoiding any corrosion-related problems, whether internal or external corrosion.

[0018] One object of the present invention is to provide a manifold for a heat exchange device that is easy to manufacture.

[0019] Another object of the present invention is to provide a manifold for a heat exchange device that does not generate a high pressure drop.

[0020] Another object of the present invention is to provide a manifold for a heat exchange device, which may also have different shapes compared to the prior art.

[0021] The applicant has designed, tested and implemented the present invention to overcome the shortcomings of the prior art and to achieve these and other objectives and advantages. Summary of the Invention

[0022] The independent claims record and define the invention. The dependent claims describe other features of the invention or variations of the main inventive concept.

[0023] In order to achieve the above objectives and solve the above technical problems in a novel and original way, while achieving significant advantages over the prior art, the manifold of the present invention is disposed in a heat exchange device and includes a wall defining an internal chamber capable of accommodating at least one heat transfer fluid.

[0024] According to one aspect of the invention, the manifold includes at least one protrusion connected to a surrounding wall, the protrusion having one or more openings capable of receiving corresponding ends of a heat exchange element for circulation of heat transfer fluid, wherein each opening is configured to conformally engage with each end of the heat exchange element without protruding into the internal chamber, and each opening is shaped to define an abutment portion for abutting against these ends.

[0025] The advantage of this design is that it prevents the formation of areas inside the manifold where dirt, debris, and / or liquids can accumulate, thus avoiding corrosion-related problems. Furthermore, this structure reduces the pressure drop inside the manifold compared to existing technologies.

[0026] According to the present invention, another advantage of the manifold is that it facilitates the assembly of the heat exchange element, i.e., the heat exchange element is correctly positioned by means of the shape of the opening and the presence of the abutment portion.

[0027] According to some embodiments, the enclosure wall has a first thickness, which is less than a second thickness of the protrusion, the protrusion protruding outward relative to the first thickness. Preferably, the outer wall of the protrusion is flat.

[0028] According to some embodiments, the enclosure wall has a first thickness, which is less than a second thickness of the protrusion, the protrusion protruding inward relative to the first thickness. Preferably, the inner wall of the protrusion is flat.

[0029] Furthermore, in other embodiments, the protrusion protrudes outward and inward relative to the first thickness.

[0030] The cross-section of the manifold can be of various shapes, such as D-shape, wherein the protrusion has a flat outer wall and an inner wall, and the enclosure has a curved profile.

[0031] The manifold may also include one or more additional protrusions, each of which is connected to the enclosure wall and each of which has one or more openings configured to receive other heat exchange elements or components, connectors and / or corresponding ends of pipes for at least one heat transfer fluid circulation.

[0032] The manifold may include an inner partition that divides the internal chamber into two circulation chambers, which can respectively accommodate the at least one heat transfer fluid and another heat transfer fluid.

[0033] The protrusion includes an outer wall, which is configured to laterally accommodate the heat exchange element, and the protrusion also includes an inner wall facing the internal chamber.

[0034] In one embodiment, each opening is shaped such that a single abutment is defined only near one of the outer walls of the pair of outer walls, while there is no abutment near the other outer wall.

[0035] In other embodiments, each opening is shaped such that it has an abutment at a location close to each of the outer walls of the pair of outer walls.

[0036] The outer wall extends continuously along the entire length of the manifold and serves as a lateral support for all heat exchange elements.

[0037] Thanks to this feature, the manifold of the present invention has advantages over the existing technology of setting a reinforcing ring with a surrounding opening, because it is simpler and more economical to manufacture.

[0038] The present invention also relates to a heat exchange device, the heat exchange device comprising at least one heat exchange array, the heat exchange array having a plurality of heat exchange elements, a plurality of heat exchange fins spaced apart between the heat exchange elements, wherein each heat exchange element includes a plurality of channels arranged sequentially, parallel to each other, and capable of accommodating at least one heat transfer fluid.

[0039] According to another aspect of the invention, the heat exchange device includes an inlet manifold and an outlet manifold as described above, wherein the inlet manifold and the outlet manifold are respectively connected to opposite ends of the heat exchange element to circulate the heat transfer fluid in the channel.

[0040] In a preferred embodiment, the inlet manifold and the outlet manifold are respectively disposed above and below the heat exchange array. The inlet manifold is also defined as the upper manifold, and the outlet manifold is defined as the lower manifold. In this case, the end of the heat exchange element connected to the inlet manifold or the upper manifold can be referred to as the "upper end," and the end of the heat exchange element connected to the outlet manifold or the lower manifold can be referred to as the "lower end."

[0041] The heat exchange device may include at least two heat exchange arrays arranged along their respective tilt axes and tilted at the same mirror angle relative to a stationary base, thereby generally forming a “V” shape, wherein the channels extend longitudinally parallel to the respective tilt axes.

[0042] The heat exchange device may also include at least one fan unit, which, for example, is located above the heat exchange array and is configured to generate an airflow by drawing outside air from one or more side inlet areas adjacent to the heat exchange array to a corresponding upper outlet area.

[0043] The heat exchange array and its respective inlet manifold and outlet manifold may be tilted at a certain angle relative to the stationary plane defined by the stationary base of the heat exchange device, preferably to facilitate the outflow of the at least one heat transfer fluid through the outlet valve of the outlet manifold.

[0044] The present invention also relates to a method for manufacturing at least one such manifold. The method includes the following steps:

[0045] Obtain the at least one manifold manufactured by a static plastic forming process, thereby having a surrounding wall defining an internal chamber capable of containing at least one heat transfer fluid, and at least one protrusion connected to the surrounding wall; and

[0046] One or more openings are formed in the protrusion, for example by milling or other machining methods suitable for this purpose.

[0047] The respective ends of the heat exchange element are received in openings to allow for the circulation of heat transfer fluid. Each opening is configured to conformally fit with each end of the heat exchange element without protruding into the internal chamber.

[0048] The method further includes a plastic forming step, wherein the manifold is formed through a channel of a forming mold, the shape of which is configured such that the manifold has at least a protrusion. Attached Figure Description

[0049] These and other aspects, features, and advantages of the invention will become apparent from the following description of several embodiments, which are given as non-limiting examples and with reference to the accompanying drawings, wherein:

[0050] - Figure 1-4 These are partial and schematic three-dimensional views of different embodiments of the manifold according to the present invention, wherein the manifold is integrated in a heat exchange array;

[0051] - Figure 5-7 This is a cross-sectional front view of a manifold according to a further embodiment of the present invention, wherein the manifold is integrated into a heat exchange array;

[0052] - Figure 8 This is a front cross-sectional view of a heat exchange device having one or more inlet manifolds and an outlet manifold according to the present invention.

[0053] - Figure 9-10 This corresponds to two different implementation methods. Figure 8 A schematic side view of the heat exchange device shown.

[0054] It must be clarified that, given that the scope of protection is defined by the claims, the wording and terminology used in this specification, as well as the illustrations in the drawings, also serve to describe the invention solely for the purpose of better illustrating and explaining it, and their aim is to provide a non-limiting example of the invention itself.

[0055] For ease of understanding, the same labels are used to indicate the same elements in the figures where possible. It is understood that elements and features of one embodiment can be easily combined or incorporated into other embodiments without further explanation. Detailed Implementation

[0056] Reference Figure 1 The manifolds 10a and 10b of the present invention are arranged and can be used in the heat exchange device 100.

[0057] Heat exchange device 100 ( Figure 8-10 For example, it can be used in facilities with large-scale cooling capacity, preferably commercial and / or industrial facilities. Such facilities may include multiple adjacent modules arranged side by side and operationally interconnected, wherein each module is defined as a heat exchanger 100.

[0058] The heat exchange device 100 generally includes a housing structure 12 that defines a frame in which the various components described below are disposed.

[0059] The heat exchange device 100 may include at least one fan unit 13 and at least one heat exchange array 15 (hereinafter referred to as "array 15"), which together define the heat exchange means. Preferably, the heat exchange device 100 includes at least two heat exchange arrays 15.

[0060] The fan unit 13 can be installed above the corresponding heat exchanger 100. The fan unit 13 is configured to draw outside air from one or more side inlet zones ZI to the corresponding upper outlet zone ZU, thereby forming an airflow F. The airflow F has an inlet temperature or an initial temperature.

[0061] The array 15 is inclined relative to the stationary base 14 of the heat exchange device 100 at the same mirror angle α, roughly in a "V" shape. Figure 8 Specifically, array 15 is configured according to respective tilt axes A1 and A2, which are mirror images of the plane of symmetry PS. Preferably, the mirror angle α is between 0° and 90°, more preferably between about 45° and about 70°.

[0062] According to other embodiments, array 15 can be vertical, or it can have different tilt angles, such as an inverted "V" shape.

[0063] Each array 15 includes a plurality of modular heat exchange elements 16. Preferably, a plurality of fins 17 are spaced apart between the plurality of heat exchange elements 16. Specifically, each fin 17 is located on its respective heat exchange element 16 and functions to increase the heat exchange surface of the array 15 itself. For example, the heat exchange elements 16 may be formed from so-called MPE extruded “plates”.

[0064] Each heat exchange element 16 extends longitudinally and includes multiple circulation elements, namely channels or microchannels 19 arranged in parallel to each other in sequence, with their longitudinal extension parallel to the corresponding inclined axes A1, A2.

[0065] Each heat exchanger 100 includes an upper inlet manifold 10a and a lower outlet manifold 10b for each array 15, which are respectively connected to the upper end 20a and lower end 20b of the heat exchange element 16 to allow at least one heat transfer fluid F1 to circulate in the channel 19. The heat transfer fluid F1 may be water mixed with ethylene glycol or propylene glycol, or a phase change working fluid, i.e., a refrigerant.

[0066] The temperature of the first heat transfer fluid F1 can be higher than the temperature of the airflow F. In this case, under normal operating conditions of the heat exchanger 100, heat exchange will occur between the airflow F and the first heat transfer fluid F1.

[0067] The inlet manifold 10a and the outlet manifold 10b may be respectively equipped with an inlet valve 22 and an outlet valve 23 for the heat transfer fluid F1. Figure 8 ).

[0068] Array 15 and its respective collector tubes 10a and 10b can be parallel to the stationary base 14. Figure 9 )set up.

[0069] According to other embodiments, the array 15 and its respective manifolds 10a, 10b can be tilted at an angle β relative to the stationary plane defined by the stationary base 14. For example, this design can facilitate the flow of heat transfer fluid F1 through the outlet manifold 10b ( Figure 10 The water flows out through the outlet valve 23. Preferably, the tilt angle β is between 0° and about 10°.

[0070] The inlet manifold 10a and outlet manifold 10b can be fluidly connected to the respective main inlet manifolds and main outlet manifolds of the facility, which are not shown in the figure. These main manifolds fluidly connect all inlet manifolds 10a and all outlet manifolds 10b of all heat exchange units 100 of the facility.

[0071] According to some embodiments, the heat exchange device 100 may include two fan units 13 aligned along a plane of symmetry PS, and four heat exchange arrays 15, wherein the arrays 15 are arranged in pairs adjacent to each other and aligned with each other, while being inclined along their respective tilt axes A1 and A2, thus forming a "V" shape. In this case, since there are two arrays 15 on each side, two inlet manifolds 10a and two outlet manifolds 10b aligned with each other are provided.

[0072] Advantageously, the manifolds 10a and 10b are manufactured by static plastic forming processes, such as extrusion or drawing, or by other equivalent processes that can achieve the desired cross-section.

[0073] Each manifold 10a, 10b ( Figures 1 to 7 The device includes a wall 22 having a first thickness S1, which defines an internal chamber 23 capable of accommodating at least a heat transfer fluid F1.

[0074] Each manifold 10a, 10b includes at least one protrusion 25 connected to the enclosure wall 22 and having one or more openings 26. Preferably, the protrusion 25 includes a plurality of through openings 26, such as slots, milled holes or holes.

[0075] Each opening 26 can accommodate the corresponding lower end 20a and corresponding upper end 20b of the heat exchange element 16 so that the heat transfer fluid F1 can circulate. Each opening 26 is configured to conformally fit with each end 20a, 20b of the heat exchange element 16 without protruding into the internal chamber 23.

[0076] The benefits of the above design are that it prevents the formation of areas where dirt, debris, and / or liquids accumulate, and avoids corrosion-related problems.

[0077] In addition, another advantage is that it reduces the pressure drop inside each manifold 10a, 10b.

[0078] Generally, the protrusion 25 includes an outer wall 27, which is configured to laterally accommodate the heat exchange element 16. The protrusion 25 also includes an inner wall 29 facing the inner chamber 23.

[0079] One outer wall 27 extends continuously along the entire length of the manifolds 10a and 10b and serves as a lateral support for all heat exchange elements 16.

[0080] The protrusion 25 has a second thickness S2 that is greater than the first thickness S1.

[0081] Furthermore, the shape of the opening 26 can be configured to define an abutment portion 30 for abutting against the ends 20a, 20b of the heat exchange element 16.

[0082] exist Figure 1-3 and Figure 5-7 In the visible embodiment, an abutment portion 30 is provided near each of the two outer walls 27.

[0083] According to one possible implementation, such as Figure 1 As shown, the protrusion 25 protrudes outward relative to the first thickness S1, and the outer wall 27 is flat. It can be... Figure 1 It was observed that manifolds 10a and 10b have a generally circular cross-section.

[0084] According to another possible implementation, such as Figure 2 As shown, the protrusion 25 protrudes inward relative to the first thickness S1, and the inner wall 29 is flat. It must be clarified that although the protrusion 25 has an internal protrusion, it is properly connected to the surrounding wall 22. As... Figure 2 As shown, in this case, the manifolds 10a and 10b also have a generally circular cross-section.

[0085] According to another embodiment, such as Figure 3 As shown, the protrusion 25 protrudes both outward and inward relative to the first thickness S1.

[0086] According to another embodiment, such as Figure 4 As shown, ends 20a and 20b abut against the abutment portion 30; however, the abutment portion 30 is only formed on one side, while there is no abutment portion on the other side. In this embodiment, the shape of each opening 26 is configured such that a single abutment portion 30 can be defined near one of the outer walls 27 (left side of the figure) of a pair of outer walls, while there is no abutment portion 30 near the other outer wall 27 (right side of the figure) of the pair of outer walls.

[0087] This design facilitates the insertion of the heat exchange element 16, which is guided by the outer wall 27 during insertion until it abuts against the only existing contact portion 30.

[0088] Furthermore, according to other embodiments not shown, the thickness of the enclosure 22 is substantially the same as that of the protrusion 25, so the protrusion 25 does not protrude and remains within the overall dimensions of the sidewall 22. In this case, the single thickness is equal to the larger of the first thickness S1 and the second thickness S2 in the above embodiments.

[0089] like Figure 5 As shown, each manifold 10a, 10b may also include one or more additional protrusions 25', 25'", each additional protrusion being connected to the enclosure 22 and having one or more openings 26', 26'", the openings being configured to accommodate other heat exchange elements or components, connectors and / or the corresponding ends of pipes for the circulation of the heat transfer fluid F1.

[0090] According to another possible implementation, such as Figure 6 As shown, the manifolds 10a and 10b can have a D-shaped cross-section, wherein the outer wall 27 and inner wall 29 of the protrusion 25 are flat, while the enclosure 22 has a curved profile.

[0091] Furthermore, according to possible implementations, each manifold 10a, 10b ( Figure 7 The internal chamber 23 may include an inner partition 32 that divides the internal chamber 23 into a first circulation chamber 33 and a second circulation chamber 34, which can respectively accommodate heat transfer fluid F1 (which may be defined as the first heat transfer fluid F1) and another or a second heat transfer fluid F2.

[0092] In this case, the channels 19 of each heat exchange element 16 are divided into a first group of channels 19', in which a first heat transfer fluid F1 flows, and a second group of channels 19" is divided into channels 19, in which a second heat transfer fluid F2 flows.

[0093] The second heat transfer fluid F2 can be water, or it may be mixed with ethylene glycol, or other suitable liquids.

[0094] According to the method of the present invention, the method for manufacturing manifolds 10a and 10b includes the following steps:

[0095] Obtain manifolds 10a and 10b manufactured by static plastic forming processes (such as extrusion or drawing) or other equivalent processes.

[0096] Specifically, the method includes a plastic forming step in which manifolds 10a and 10b are formed by a molding die (not shown) shaped such that manifolds 10a and 10b have at least the aforementioned protrusions 25 connected to the enclosure wall 22.

[0097] If necessary, additional protrusions 25', 25'' can also be formed in this plastic forming step using a specific molding die.

[0098] The method also includes at least one subsequent step of forming one or more openings 26 in the manifolds 10a, 10b, for example by milling or other machining methods suitable for the purpose.

[0099] In addition, in order to arrange the manifolds 10a and 10b in the heat exchange device 100, the method further includes a joining step in which the ends 20a and 20b of the heat exchange element 16 are joined by conformal fitting with the openings 26 of the manifolds 10a and 10b, without the ends 20a and 20b protruding into the internal chamber 23.

[0100] Obviously, components can be modified and / or added to manifolds 10a, 10b and the above-described method without departing from the scope of protection of the invention as defined in the claims.

[0101] It is equally clear that although the present invention has been described with reference to some specific examples, those skilled in the art can implement other equivalent forms of manifolds for heat exchange devices that have the features defined in the claims and therefore fall within the scope of protection defined herein.

[0102] In the following claims, the symbols in parentheses are for ease of reading and should not be considered as limiting factors on the scope of protection defined by the claims.

Claims

1. A manifold (10a, 10b), comprising: The enclosure (22) defining an internal chamber (23) capable of accommodating at least one heat transfer fluid (F1) further includes: at least one protrusion (25) connected to the enclosure (22), the protrusion (25) having one or more openings (26) capable of accommodating corresponding ends (20a, 20b) of a heat exchange element (16) for circulation of the heat transfer fluid (F1), characterized in that, Each opening (26) is configured to conformally fit with each of the ends (20a, 20b) without protruding into the internal cavity (23), and the shape of each opening (26) is configured to define an abutment (30) for abutting against the ends (20a, 20b).

2. The manifold (10a, 10b) according to claim 1, characterized in that, The enclosure (22) has a first thickness (S1) which is less than the second thickness (S2) of the protrusion (25), and the protrusion (25) protrudes outward relative to the first thickness (S1).

3. The manifold (10a, 10b) according to claim 1, characterized in that, The enclosure (22) has a first thickness (S1) which is less than the second thickness (S2) of the protrusion (25), and the protrusion (25) protrudes inward relative to the first thickness (S1).

4. The manifold (10a, 10b) according to any one of claims 1-3, characterized in that, It also includes one or more additional protrusions (25', 25"), each of which is connected to the enclosure (22), and each of which is provided with one or more openings (26', 26"), the openings (26', 26") being configured to accommodate other heat exchange elements or components, connectors and / or the corresponding ends of pipes for circulation of the at least one heat transfer fluid (F1).

5. The manifold (10a, 10b) according to any one of claims 1-4, characterized in that, Includes an inner partition (32) that divides the internal chamber (23) into two circulation chambers (33, 34) that can respectively accommodate at least one heat transfer fluid (F1) and another heat transfer fluid (F2).

6. The manifold (10a, 10b) according to any one of claims 1-5, characterized in that, The protrusion (25) includes an outer wall (27) configured to laterally accommodate the heat exchange element (16), and the protrusion (25) also includes an inner wall (29) facing the internal chamber (23).

7. The manifold (10a, 10b) according to claim 6, characterized in that, Each of the openings (26) is shaped such that a single abutment (30) is defined only at a position near one of the outer walls (27) of the pair of outer walls (27), while there is no abutment (30) near the other outer wall (27).

8. The manifold (10a, 10b) according to claim 6, characterized in that, Each of the openings (26) is shaped such that an abutment (30) is provided at a position near each of the outer walls (27) of the pair of outer walls (27).

9. The manifold (10a, 10b) according to any one of claims 6-8, characterized in that, The outer wall (27) extends continuously along the entire length of the manifold (10a, 10b) and serves as a lateral support for all the heat exchange elements (16).

10. A heat exchange device (100), comprising: At least one heat exchange array (15) is provided with a plurality of heat exchange elements (16), and a plurality of heat exchange fins are spaced apart between the heat exchange elements (16), wherein each heat exchange element (16) includes a plurality of channels (19) arranged sequentially, parallel to each other, and capable of accommodating at least one heat transfer fluid (F1), characterized in that, The heat exchange device (100) includes an inlet manifold (10a) and an outlet manifold (10b) as described in any one of claims 1-9, wherein the inlet manifold (10a) and the outlet manifold (10b) are respectively connected to opposite ends (20a, 20b) of the heat exchange element (16) so that the heat transfer fluid (F1) circulates in the channel (19).

11. The heat exchange device (100) according to claim 10, characterized in that, The heat exchange device includes at least two heat exchange arrays (15) arranged along their respective tilt axes (A1, A2) and tilted relative to the stationary base (14) at the same mirror angle (α), thus generally forming a "V" shape, wherein the channels (19) extend longitudinally parallel to the respective tilt axes (A1, A2), and the heat exchange device also includes at least one fan device (13) configured to generate an airflow (F) by drawing in external air, the airflow flowing from one or more side inlet areas (ZI) adjacent to the heat exchange arrays (15) to the corresponding upper outlet area (ZU).

12. The heat exchange device (100) according to claim 10 or 11, characterized in that, The heat exchange array (15) and its respective inlet manifold and outlet manifold (10a, 10b) are tilted at an angle (β) relative to the stationary plane (PG) defined by the stationary base (14) to facilitate the outflow of the at least one heat transfer fluid (F1) through the outlet valve (23) of the outlet manifold (10b).

13. A method for manufacturing at least one manifold (10a, 10b) for a heat exchange device (100), characterized in that, Includes the following steps: The at least one manifold (10a, 10b) is obtained by a static plastic forming process, thereby having a wall (22) that defines an internal chamber (23) capable of accommodating at least one heat transfer fluid (F1), and at least one protrusion (25) connected to the wall (22). One or more openings (26) are formed in the protrusion (25) by milling or other machining methods. The openings (26) are used to receive the corresponding ends (20a, 20b) of the heat exchange element (16) for circulation of heat transfer fluid (F1). Each opening (26) is configured to conformally fit with each of the ends (20a, 20b) without protruding into the internal cavity (23). The shape of each opening (26) is configured to define an abutment (30) for abutting against the ends (20a, 20b).

14. The method according to claim 13, characterized in that, It also includes a plastic forming step, wherein the manifolds (10a, 10b) are formed through a channel of a forming mold, the shape of which is configured such that the manifolds (10a, 10b) have at least the protrusion (25).

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