JP6287330B2 - Heat exchanger unit and heat exchanger - Google Patents

Description

  The present invention relates to a heat exchanger and a heat exchanger unit constituting the heat exchanger, and more particularly to a heat exchanger utilizing evaporative cooling and a heat exchanger unit constituting the heat exchanger.

  Conventionally, a heat exchanger is mainly a total heat exchanger in, for example, a ventilation facility. As an example of such a total heat exchanger, Patent Document 1 discloses a ventilated heat exchanger that indirectly exchanges the inside air and the outside air with a heat exchange element. Patent Document 2 discloses a total heat exchanger using a multi-layer partition plate to exchange heat between sensible heat and latent heat in which two kinds of gas are circulated.

JP 2005-291617 A JP2013-15286A

However, in the technique disclosed in Patent Document 1, it is necessary to provide two types of heat exchange elements, and there is room for improvement in the complexity of installation and cost increase. Moreover, in the technique disclosed in Patent Document 2, the configuration for forming irregularities on the partition plate is complicated, and there is room for improvement in terms of work man-hours and costs.
In particular, in a heat exchanger using evaporative cooling in which outside air and inside air are circulated independently, there remains room for improvement with respect to such an optimal design.
Therefore, the present invention has been made paying attention to the above-mentioned problems, and an object of the present invention is to provide a heat exchanger unit and a heat exchanger capable of efficiently exchanging heat with a simple structure.

  In order to solve the above-mentioned problems, the present inventors have conducted extensive studies, and as a result, a heat exchanger unit and a heat exchanger capable of efficiently exchanging heat with a simple structure by evaporative cooling by applying latent heat. It was found that it can be provided.

The present invention is based on the above findings by the present inventors, and a heat exchanger unit according to an embodiment of the present invention for solving the above problems includes a passage through which the inside air is ventilated in a first direction. A plurality of fin members formed along a second direction orthogonal to the first direction, and two heat dissipating members so as to sandwich the fin members in a first direction and a third direction orthogonal to the second direction Layered,
The heat dissipation member has a bonding surface that is bonded to the fin member, and a heat dissipation surface of the opposite side, the heat radiating surface has a butt strip portion and a flat portion extending in a second direction is provided a plurality respectively A passage through which the outside air is vented is defined, and a hydrophilic treatment such as application of a hydrophilic paint is performed on the surface of the passage, which is used for a vaporization cooler.

The heat exchanger unit may have minute irregularities formed on the surface of the heat dissipation surface.
In the heat exchanger unit, the fin member and the heat dissipation member may be joined by brazing.
Moreover, the said heat exchanger unit may join the said fin member and the said heat radiating member with an adhesive agent.
In the heat exchanger unit, it is preferable that at least the heat radiating member is made of an extruded aluminum material.

Moreover, the heat exchanger which concerns on one embodiment of this invention for solving the said subject is formed by laminating | stacking the said heat exchanger unit in multiple numbers along a 3rd direction.
The heat exchanger may have minute irregularities formed on the surface of the heat dissipation surface.
In the heat exchanger, the fin member and the heat radiating member may be joined by brazing.
In the heat exchanger, the fin member and the heat radiating member may be joined by an adhesive.
Moreover, as for the said heat exchanger, the edge parts of each protrusion part of the said heat radiating member which opposes may be joined by an adhesive agent.

Moreover, the said heat exchanger may join the edge part and flat part of each rib part of the said heat radiating member which oppose with an adhesive agent.
The heat exchanger may include an extension portion in which the flat portion of the heat radiating member is extended in a direction perpendicular to the direction of ventilation of the outside air, and the plate-like member may be fitted along the extension portion of each other. .
In the heat exchanger, an outer surface of the plate member may have an inclined surface.
Further, the heat exchanger is provided with an insertion member that passes between the protrusions on the inner surface of the plate-like member, and the tip of the insertion member is engaged with the protrusion of the plate-like member. A locking portion to be stopped may be provided.

In addition, the heat exchanger is provided with a protrusion at the tip of one of the protrusions at both ends in a direction orthogonal to the direction of the outside air of the heat radiating member, and the protrusion of the other protrusion A concave portion is provided at the tip, and the two heat radiating members may be connected by joining the convex portions and the concave portions of the two heat radiating members facing each protrusion.
Further, the heat exchanger is provided with an extension extending outwardly at the tip of one of the protrusions at both ends in a direction perpendicular to the direction of the outside air of the heat radiating member, and the other A pinching portion that is folded back in a V-shape is provided at the tip of the ridge, and the two extended portions of the heat dissipating members that face each of the ridges are sandwiched between the folded portions of the pinching portion. A heat radiating member may be connected.
The heat exchanger is preferably made of an extruded aluminum shape .

  According to the heat exchanger unit and the heat exchanger of the present invention, it is possible to provide a heat exchanger unit and a heat exchanger that can exchange heat efficiently with a simple structure.

It is a figure which shows the structure in 1st Embodiment of a heat exchanger unit and a heat exchanger, (a) is a perspective view of a heat exchanger unit, (b) is a disassembled perspective view of (a), (c). FIG. 3 is a perspective view of a heat exchanger. It is a front view which shows the structure of the heat exchanger unit and the heat radiating member of a heat exchanger, (a) shows 1st Embodiment, (b) shows 2nd Embodiment, (c) shows 3rd Embodiment. It is a figure which shows the structure in 4th Embodiment of a heat exchanger unit and a heat exchanger, (a) is a perspective view which shows the structure of a heat exchanger, (b) is a front view which shows the joining structure of heat radiating members, (C) is a front view which shows the joining structure of the heat radiating members of another aspect. (A)-(d) is a figure which shows the joining structure of the heat radiating members in the other aspect of 4th Embodiment of a heat exchanger unit and a heat exchanger, and the heat radiating member and a fin member, (a). Is a perspective view showing the configuration of the heat exchanger of another aspect, (b) ~ (c) is a front view showing the joining configuration of the heat radiating members, (d) is a side view showing the joining configuration of the heat radiating member and the fin member. It is. It is a side view which shows the structure in 5th Embodiment of a heat exchanger. It is a front view which shows the structure in 5th Embodiment of a heat exchanger. It is a front view which shows the structure of the heat radiating member in 6th Embodiment of a heat exchanger.

Hereinafter, embodiments of a heat exchanger unit and a heat exchanger according to the present invention will be described with reference to the drawings.
(First embodiment)
<Heat exchanger>
FIG. 1 is a diagram illustrating a configuration of a heat exchanger unit and a heat exchanger according to a first embodiment, wherein (a) is a perspective view of the heat exchanger unit, and (b) is an exploded perspective view of (a). (C) is a perspective view of a heat exchanger. As shown in FIG.1 (c), the heat exchanger of this embodiment is formed by laminating two or more heat exchange units 10 in the third direction.

<Heat exchanger unit>
As shown in FIGS. 1A and 1B, the heat exchange unit 10 includes a fin member 11, a spacer 13, and two heat radiating members 12 and 12 stacked so as to sandwich the fin member 11 and the spacer 13. And have. The stacking direction (third direction) of the heat exchange unit 10 is the same as the stacking direction of the fin member 11 and the heat radiating member 12 constituting the heat exchange unit 10.

[Fin member]
The fin member 11 is a member having a corrugated plate shape (corrugated louver shape) as shown in FIG. The fin member 11 is formed by repeatedly bending a thin plate material into a corrugated plate shape.
In the main body portion 11A of the fin member 11, a plurality of slit holes 11a and 11b extending along the bent direction (second direction) are provided side by side in the first direction for each bent region. . The slit holes 11a and 11b are provided so as to penetrate the main body 11A with different inclinations relative to the surface of the main body 11A of the fin member 11.

  The material of the fin member 11 is not particularly limited as long as it is a material having high workability such as punching and bending and high thermal conductivity (heat dissipation), and is appropriately selected according to the purpose, but a metal is preferable. Aluminum (including an alloy) is more preferable, and “JIS-A3003 (aluminum alloy)” is particularly preferable in consideration of processing and brazing. By selecting such a material, it is possible to provide the fin member 11 having excellent thermal conductivity, light weight, and recyclability.

[Heat dissipation member]
The heat radiating member 12 has a flat plate-like main body 120 and a plurality of protrusions 122 erected on the main body 120. The main body 120 is a joint surface 121 that is a surface facing the fin member 11 when the heat dissipation member 12 is stacked on the fin member 11 and a surface on the opposite side, and a plurality of protrusions 122 are installed. And a heat radiating surface 122.
The heat radiating surface 122 includes a flat portion 122b and a ridge portion 122a that forms a plurality of ridges arranged in one direction (second direction) in the flat portion 122b. By thus the flat portion 122b and the impact ridges 122a on the heat radiation surface 122 is provided with a plurality each passage for ventilation outside air and the flat portion 122b, by the protrusions 122a to upright at opposite ends thereof defining Is done.

The material of the heat radiating member 12 is not particularly limited as long as it is a material having high thermal conductivity and workability, and is appropriately selected according to the purpose, but is preferably a metal, more preferably aluminum (including an alloy), “JIS-A6063 aluminum alloy” is preferable in consideration of extrudability, and 1000 series aluminum alloy and 3000 series aluminum alloy are preferable in consideration of high thermal conductivity. By selecting such a material, the heat radiating member 12 excellent in thermal conductivity, light weight, and recyclability can be provided.
Moreover, it is preferable that the heat radiating member 12 is obtained by extruding such a material. By forming in this way, the freedom degree of the cross-sectional shape of the heat radiating member 12 is high, and flatness can also be manufactured accurately.

Here, in the heat exchanger of the present embodiment and the heat exchanger unit constituting the heat exchanger, when used as a vaporization cooler, in order to uniformly maintain a water film by the water spraying facility on the heat radiating surface 122, the heat radiating surface 122. Is subjected to a hydrophilic treatment such as application of a hydrophilic paint.
This hydrophilic paint may be applied to the entire surface of the heat dissipation surface 122, or may be applied to a part of the heat dissipation surface 122 regardless of the flat portion 122b and the protrusions 122a.

When the hydrophilic material functions as a coating film, the surface of the coating film is roughened, and the adhesion of the coating film is good, so that a high level of hydrophilicity is obtained, and the excellent hydrophilicity is obtained. The material is not particularly limited as long as it is a material that can be obtained over a long period of time as well as the initial stage, and is appropriately selected according to the purpose. For example, such a hydrophilic material is composed of colloidal silica having a dispersed particle diameter of 5 to 100 nm, a water-soluble polymer containing at least a carboxylic acid polymer, and water. The colloidal silica and the water-soluble polymer are: The solid content weight ratio is 30:70 to 70:30, the total content is 4 to 20% by weight, and the carboxyl group content in the carboxylic acid polymer contained in the water-soluble polymer is 20 to 63% by weight. And an aqueous hydrophilicity imparting agent having an overall pH value of 1 to 5 is preferred.
Then, the solid material adhesion amount is 0.3 to 1.5 g directly on at least a part of the heat radiating surface 122 or through a corrosion-resistant undercoat formed on the surface of this hydrophilic material (aqueous hydrophilicity imparting agent). / M ² to apply and heat dry.

[Spacer]
The spacer 13 is a member that is installed together with the fin member 11 so that the joint surfaces 121 and 121 of the two heat radiating members 12 and 12 face each other and are sandwiched between the two heat radiating members 12 and 12. The spacer 13 is a member that is provided to hold the wave shape of the fin member 11 sandwiched between the two heat radiating members 12 and 12 and to form a ventilation path for the inside air. There is a need.
The material of the spacer 13 is not particularly limited as long as it has a strength that maintains the wave shape of the fin member 11 and does not interfere with the heat dissipation effect of the heat exchange unit 10, and is appropriately selected according to the purpose.

[Assembly of heat exchanger unit]
As shown in FIGS. 1A and 1B, the heat exchange unit 10 is configured such that the fin member 11 and the spacer 13 are sandwiched between two heat radiating members 12 and 12 having the joint surfaces 121 and 121 opposed to each other. Assembled. At this time, the direction in which the plurality of protrusions 122a provided on the two heat dissipation members 12, 12 extend (second direction) and the direction in which the plurality of protrusions 122a are arranged (first direction) are two heat dissipation members 12. , 12 are the same.

In addition, the fin member 11 is bent so that the direction in which the fin member 11 is bent (second direction) is orthogonal to the direction in which the plurality of protrusions 122a provided on the two heat radiating members 12, 12 are arranged (first direction). It is installed between the two heat dissipating members 12A and 12A. One spacer 13 is provided at each end of the fin member 11 in the second direction.
In the heat exchanger unit 10 configured as described above, a passage constituted by the fin member 11, the two heat radiation members 12, 12 and the spacers 13, 13 extends in the first direction, and the inside air is ventilated. It becomes a passage to do.

[Assembly of heat exchanger]
As shown in FIG. 1 (c), the heat exchanger 1 includes the heat exchanger units 10A and 10B assembled as described above in a direction in which the protruding portions 122a stand up with respect to the main body portion 120 (first order). 3 direction). Here, the heat exchanger unit 10A is configured in the order of the heat dissipating member 12A ₁ , the fin member 11A, and the heat dissipating member 12A ₂ along the third direction, and the heat exchanger unit 10B includes the heat dissipating member 12B ₁ and the fins. member 11B, and one configured in the order of the heat radiating member 12B _2.

That is, the laminated structure of the heat exchanger unit 10A and the heat exchange unit 10B, as shown in FIG. 2 (a), a protruding portion 122a of the heat radiating member 12A ₂ of the heat exchanger units 10A, heat exchanger unit 10B and protrusions 122a of the heat radiating member 12B ₁ of are laminated by bonding at tip ends. In addition, since the joint part of the protrusions 122a and 122a facing each other serves as a heat dissipation part that performs watering and evaporative cooling as a ventilation path on the outside air side, the protrusions 122a on both side ends constituting the ventilation path are It is necessary to join so that airtightness and watertightness can be maintained. Other protrusions 122a may not necessarily be joined as long as the required strength of the stacked heat exchanger units 10 and 10 is not impaired.

  The heat exchanger 1 configured as described above has a structure of an indirect heat exchanger in which the inside air is passed through the fin member 11 and the outside air is passed through the heat radiating member 12. Then, when water is sprayed on the heat radiating surface 122 of the heat radiating member 12, moisture is spread thinly by the hydrophilic coating applied to the heat radiating surface 122, so that evaporation of water is promoted, whereby heat of vaporization is generated from the heat radiating surface 122 of the heat radiating member 12. Deprived and go outside. When heat is taken away from the heat radiating surface 122, the bonding surface 121 is cooled, and then the fin member 11 bonded to the bonding surface 121 and the inside air passing therethrough are cooled. As a result, the inside air is cooled. Therefore, the heat exchanger unit which consists of a simple structure which uses the fin member 11 and the heat radiating member 12 as a basic component can be provided, and it can be set as the component of a heat exchanger.

(Second Embodiment)
Next, a second embodiment of the heat exchanger unit and the heat exchanger according to the present invention will be described with reference to the drawings. In addition, since this embodiment differs only in the shape of a thermal radiation member from 1st Embodiment, description may be abbreviate | omitted about the same structure which attached | subjected the same code | symbol as the above-mentioned embodiment.

FIG.2 (b) is a front view which shows the structure of the heat radiating member in 2nd Embodiment of a heat exchanger unit and a heat exchanger. As shown in FIG. 2B, in the heat exchanger unit and the heat exchanger of the present embodiment, minute irregularities may be formed on the surface of the heat dissipation surface 122. In FIG. 2 (b), it shows an embodiment in which part fine irregularities (side surface portion) 122a ₁ is formed protrusions 122. By adopting such a configuration, the diffusion of water is promoted by the effect of the uneven surface and the hydrophilic coating, and the surface area of the heat dissipation surface 122 is increased, so that evaporation of more water can be promoted. As a result, the cooling efficiency can be improved.

As another embodiment of the heat exchanger unit and the heat exchanger, the fin member 11 and the heat radiating member 12 may be joined by brazing or may be joined by an adhesive.
By joining the fin member 11 and the heat radiating member 12 by brazing, the fin member 11 and the heat radiating member 12 can be joined firmly and easily. The brazing material used at this time is generally an Al—Si alloy, for example, but is not particularly limited.
Moreover, the fin member 11 and the heat radiating member 12 can be joined by a simple procedure by joining the fin member 11 and the heat radiating member 12 with an adhesive.

(Third embodiment)
Next, a third embodiment of the heat exchanger unit and the heat exchanger according to the present invention will be described with reference to the drawings. In addition, since this embodiment also differs only in the structure of a thermal radiation member from 1st Embodiment, description may be abbreviate | omitted about the same structure which attached | subjected the same code | symbol as the above-mentioned embodiment.

FIG.2 (c) is a front view which shows the structure of the heat radiating member in 3rd Embodiment of a heat exchanger unit and a heat exchanger. As shown in FIG. 2 (c), in the heat exchanger unit and the heat exchanger of the present embodiment, and the end portion and the flat portion 122b of each of the ridges 122a of the opposed heat radiating member _12A 2, 12B ₁ You may join by an adhesive agent. Thus, by comprising a heat exchanger, joining of a heat radiating member can be made easy. Moreover, the dimension of the lamination direction of the heat exchanger unit 10 can be made small.

(Fourth embodiment)
Next, a fourth embodiment of the heat exchanger unit and the heat exchanger according to the present invention will be described with reference to the drawings. In addition, since this embodiment also differs only in the structure of a thermal radiation member from 1st Embodiment, description may be abbreviate | omitted about the same structure which attached | subjected the same code | symbol as the above-mentioned embodiment.

FIG. 3 is a diagram showing the configuration of the heat exchanger unit and the heat exchanger according to the fourth embodiment, where (a) is a perspective view showing the configuration of the heat exchanger, and (b) and (c) are the heat exchangers. It is a front view which shows the structure of this connection part. FIG. 4 is a diagram showing a configuration of another aspect of the fourth embodiment of the heat exchanger unit and the heat exchanger, (a) is a perspective view showing the configuration of the heat exchanger, and (b), ( (c) is a front view which shows the structure of the connection part of a heat exchanger, (d) is a side view of a heat exchanger unit. As shown in FIGS. 3A and 3B, in the heat exchanger unit and the heat exchanger of the present embodiment, the flat portion 122b of the heat radiating members 12A ₂ and 12B ₁ is in a direction perpendicular to the direction of the outside air. It has the extended part 122c extended, and the plate-shaped member 20 may be engage | inserted along the mutual extended parts 122c and 122c. According to such a constitution, it is possible to plate-shaped member 20 is joined to the heat radiating member 12A _2, 12B ₁ together more firmly and stably.

  Here, as shown in FIG. 3C, the heat exchanger according to the present embodiment is provided with an insertion portion 20 </ b> A for inserting between the protrusion members 122 a and 122 a on the inner surface of the plate-like member 20. A locking portion 20B that locks the plate-like member 20 to the protrusion members 122a and 122a may be provided at the tip of the insertion portion 20A. By being configured in this way, the heat exchanger units 10A and 10B are more stably joined, and the plate-like member 20 has an effect that it is difficult to come off from the heat radiating members 12A and 12B.

  Moreover, as shown in FIGS. 4A to 4C, as the heat exchanger unit and the heat exchanger according to another aspect of the present embodiment, the inclined surfaces are arranged so as to direct the inside air toward the fin members 11A and 11B. An inclined member 20 ′ including 20 a and 20 a may be provided between the extension parts 122 c and 122 c instead of the plate-like member 20. By providing the inclined member 20 ′, it is possible to direct the inside air striking the inclined member 20 ′ toward the fin members 11 </ b> A and 11 </ b> B, so that the air resistance of the inside air on the fin member 11 side can be reduced.

  Moreover, as shown in FIG.4 (c), the heat exchanger of this embodiment is also provided with the insertion part 20A which penetrates between the protrusion members 122a and 122a in the inner surface of inclination member 20 ', and the insertion A locking portion 20B for locking the inclined member 20 ′ to the protrusion members 122a and 122a may be provided at the tip of the portion 20A. By being configured in this manner, the heat exchanger units 10A and 10B can be more stably joined together, and the inclined member 20 'can be prevented from falling off from the heat radiating members 12A and 12B.

  Furthermore, as a heat exchanger unit and a heat exchanger according to another aspect of the present embodiment, as shown in FIG. 4 (d), inclined surfaces 13a and 13a arranged to direct outside air toward the heat radiating members 12A and 12B are provided. The provided inclined member 13 ′ may be provided instead of the spacer 13. By providing the inclined member 13 ′, the outside air striking the inclined member 13 ′ can be directed to the heat radiating members 12 </ b> A and 12 </ b> B, so that the ventilation resistance of the outside air on the heat radiating members 12 </ b> A and 12 </ b> B can be reduced.

(Fifth embodiment)
Next, a fifth embodiment of the heat exchanger according to the present invention will be described with reference to the drawings. In addition, since this embodiment also differs only in the structure of a thermal radiation member from 1st Embodiment, description may be abbreviate | omitted about the same structure which attached | subjected the same code | symbol as the above-mentioned embodiment.

  FIG. 5 is a side view showing the configuration of the heat exchanger according to the fifth embodiment. FIG. 6 is a front view showing the configuration of the fifth embodiment of the heat exchanger. As shown in FIGS. 5 and 6, in the heat exchanger of the present embodiment, one of the protrusions 122 a at both ends in the direction (first direction) orthogonal to the direction of the outside air of the heat radiating member 12. An extension 15 extending outward is provided at the tip of the protrusion 122a, and a pinching part 14 folded back in a V shape is provided at the tip of the other protrusion 122a. And the two heat radiating members 12 and 12 may be connected by joining the extension part 15 and the clamping part 14 of the two heat radiating members 12 and 12 which faced each protrusion part. The clamping portion 14 and the extension portion 15 are joined with a watertight holding structure and an airtight holding structure through a sealing material such as a caulking material.

Specifically, as shown in FIG. 6, among the protrusions 122 a at both ends in the direction (first direction) perpendicular to the direction of the outside air of the heat radiating member 12 A ₂ , the tip of one protrusion 122 a provided extensions 15A ₂ extending outwardly, is sandwiched portion 14A ₂ at the tip portion of the other ridges 122a that is folded back into a V-shape are provided on the. On the other hand, of the two ends of the protrusions 122a of the heat radiating member 12A ₂ in the laminated (bonded) to the heat radiating member 12B ₁ of the outside air in the direction orthogonal to the airflow direction (first direction), while corresponding to the clamping portion 14A ₂ of the tip portion of the protruding portion 122a is provided extending portion 15B ₁ extending outwardly, an extension portion 15A sandwiching portion 14B ₁ folded back into a V-shape at the tip portion of the other protrusions 122a corresponding to the ₂ Is provided.
Then, in each of the sandwiching part 14A ₂ and the extension part 15B ₁ , and in each of the extension part 15A ₂ and the sandwiching part 14B ₁ , the sandwiching part 14 sandwiches the extension part 15, and the two opposing heat dissipation members 12A ₂ and 12B ₁ are connected. The At that time, a caulking material is applied between the sandwiching portion and the extension portion to be joined, thereby maintaining watertightness and airtightness.

(Sixth embodiment)
Next, 6th Embodiment of the heat exchanger which concerns on this invention is described with reference to drawings. In addition, since this embodiment also differs only in the structure of a thermal radiation member from 1st Embodiment, description may be abbreviate | omitted about the same structure which attached | subjected the same code | symbol as the above-mentioned embodiment.

  FIGS. 7A and 7B are front views showing the configuration of the heat dissipating member in the sixth embodiment of the heat exchanger. As shown in FIG. 7A, in the heat exchanger of the present embodiment, among the protrusions 122a and 122a at both ends in the direction (first direction) orthogonal to the direction of the outside air of the heat radiating member 12, A protrusion 16 is provided at the tip of one protrusion 122a, a crank-shaped recess 17 is provided at the tip of the other protrusion 122a, and the two protrusions 122a and 122a are opposed to each other. The two heat radiating members 12 and 12 may be connected by joining the convex portion 16 and the concave portion 17 of the heat radiating members 12 and 12. At that time, a caulking material is applied between the convex portion 16 and the concave portion 17 to be joined, thereby performing watertight holding and airtight holding.

Moreover, as shown in FIG.7 (b), in the heat exchanger of this embodiment, the protrusion 122a, 122a of the both ends of the direction (1st direction) orthogonal to the ventilation direction of the external air of the heat radiating member 12 is shown. Among them, a crank-shaped convex portion 18 is provided at the tip of one ridge 122a, and a recess 19 is provided at the tip of the other ridge 122a, with the ridges 122a and 122a facing each other. The two heat radiating members 12 and 12 may be connected by joining the convex portions 18 and the concave portions 19 of the two heat radiating members 12 and 12. At that time, a caulking material is applied between the convex portion 18 and the concave portion 19 to be joined, thereby performing watertight holding and airtight holding.
By setting it as such structures, the heat radiating members 12 and 12 can be joined, without requiring fixing means, such as the above-mentioned plate-shaped member 20. FIG.

As described above, according to the heat exchanger unit and the heat exchanger of the present embodiment, it is possible to provide a heat exchanger capable of efficiently exchanging heat with a simple structure. In particular, in the first to sixth embodiments, the heat dissipation members can be joined together by stacking (joining) a plurality of heat exchanger units with one type of heat dissipation member, thereby reducing production costs. There is a further effect.
Although the embodiments of the heat exchanger unit and the heat exchanger have been described above, the present invention is not limited to this, and various changes and improvements can be made.

DESCRIPTION OF SYMBOLS 1 Heat exchanger 10 Heat exchanger unit 11 Fin member 12 Heat radiation member 121 Joint surface 122 Heat radiation surface 122a Projection part 122b Flat part

Claims (17)

A fin member in which a plurality of passages through which the inside air passes in the first direction is formed along a second direction orthogonal to the first direction, and the fin member is orthogonal to the first direction and the second direction. Two heat dissipation members are stacked so as to be sandwiched in the third direction,
The heat dissipation member has a bonding surface that is bonded to the fin member, and a heat radiating surface of the opposite side, the heat radiating surface has a butt strip portion and a flat portion extending in a second direction is provided a plurality respectively A passage through which the outside air is ventilated is defined, and hydrophilic paint is applied to the surface ,
Used for evaporative coolers,
A heat exchanger unit characterized by that.   The heat exchanger unit according to claim 1, wherein minute irregularities are formed on a surface of the heat radiating surface.   The heat exchanger unit according to claim 1 or 2, wherein the fin member and the heat radiating member are joined by brazing.   The heat exchanger unit according to claim 1 or 2, wherein the fin member and the heat radiating member are joined together by an adhesive.   The heat exchanger unit according to any one of claims 1 to 4, wherein the heat radiating member is formed of an aluminum extruded shape member. A fin member in which a plurality of passages through which the inside air passes in the first direction is formed along a second direction orthogonal to the first direction, and the fin member is orthogonal to the first direction and the second direction. A plurality of heat exchanger units in which two heat dissipating members are stacked so as to be sandwiched in the third direction are stacked along the third direction,
The heat dissipation member has a bonding surface that is bonded to the fin member, and a heat radiating surface of the opposite side, the heat radiating surface has a butt strip portion and a flat portion extending in a second direction is provided a plurality respectively A passage through which the outside air is ventilated is defined, and hydrophilic paint is applied to the surface ,
Used for evaporative coolers,
A heat exchanger characterized by that.   The heat exchanger according to claim 6, wherein minute irregularities are formed on a surface of the heat radiating surface.   The heat exchanger according to claim 6 or 7, wherein the fin member and the heat radiating member are joined by brazing.   The heat exchanger according to claim 6 or 7, wherein the fin member and the heat radiating member are joined together by an adhesive.   The heat exchanger according to claim 9, wherein ends of the protruding portions of the heat radiation members facing each other are bonded together by an adhesive.   The heat exchanger according to claim 9, wherein an end portion and a flat portion of each projecting portion of the heat radiation member facing each other are joined by an adhesive.   The heat exchanger according to claim 9, wherein the flat portion of the heat radiating member has an extending portion that extends in a direction orthogonal to the direction of ventilation of outside air, and a plate-like member is fitted along the extending portion.   The heat exchanger according to claim 12, wherein an outer surface of the plate-like member has an inclined surface. An insertion member is provided on the inner surface of the plate-like member so as to pass between the protrusions, and a locking portion that is engaged with the protrusion of the plate-like member is provided at the tip of the insertion member. 14. A heat exchanger according to claim 12 or claim 13.   Of the ridges at both ends in the direction perpendicular to the direction of the outside air of the heat radiating member, a protrusion is provided at the tip of one ridge, and a recess is provided at the tip of the other ridge, The heat exchanger according to claim 9, wherein the two heat radiating members are connected by joining the convex portions and the concave portions of the two heat radiating members facing each protrusion.   Of the ridges at both ends of the heat radiating member in the direction orthogonal to the direction of ventilation of the outside air, an extension extending outward is provided at the tip of one of the ridges, and at the tip of the other ridge. 10. The heat radiation member according to claim 9, wherein a sandwiching portion that is folded back in a V-shape is provided, the protrusions are opposed to each other, the extension portion of the heat dissipation member is sandwiched by the sandwiching portion, and the two heat dissipation members are connected. Heat exchanger.   The heat exchanger according to any one of claims 6 to 16, wherein the heat radiating member is formed of an aluminum extruded shape member.

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