JP7261479B2 - Radiant panel and manufacturing method thereof - Google Patents

Description

The present invention relates to a radiant panel and method of manufacturing the same.

2. Description of the Related Art Conventionally, radiant panels are installed on a ceiling or the like in order to cool and heat a room. For example, Patent Literature 1 discloses a cooling/heating panel in which a holding member for holding straight portions of heat exchange pipes is attached to the rear surface of a radiant panel (radiation panel in the original). The holding member is a heat sink made of metal and is adhered to the radiating panel via a hot-melt adhesive applied to the rear surface of the radiating panel.

Japanese Unexamined Patent Application Publication No. 2010-43810

In the conventional cooling/heating panel described above, the holding member is attached to the radiant panel with a hot-melt adhesive. There is a problem that the manufacturing cost is high due to the time and effort required for the above. In addition, since the adhesive layer interposed between the holding member and the radiant panel lowers the thermal conductivity from the heat exchange pipe held by the holding member to the radiant panel, it is also effective from the viewpoint of improving the cooling and heating efficiency. There was room for improvement.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a radiant panel and a method of manufacturing the same that can efficiently perform air conditioning with an inexpensive structure.

The object of the present invention is a radiant panel comprising a panel body and a plurality of heat sinks arranged in parallel on the panel body, wherein the heat sink has a mounting portion to which a pipe through which a heat transfer fluid passes is mounted. and further comprising a connection holding member that connects the plurality of heat sinks at their ends and holds them on the panel main body, wherein the connection holding member is formed in a belt shape and has a plurality of notches on one side edge that extends in the longitudinal direction. This is achieved by a radiating panel that includes a holding plate and is attached to the panel body with the plurality of heat sinks fitted in the notches.

The notch preferably engages at both side edges with a constriction formed in the heat sink. When the mounting portion is formed to have an arcuate cross section and is supported by a strip-shaped substrate, the constricted portion is formed between the substrate and the mounting portion.

The cutout portion may be formed so that the width thereof gradually narrows from one side edge to the other side edge of the holding plate.

It is preferable that the connection holding member has a reinforcing plate standing from the other side edge of the holding plate. The reinforcing plate may be formed with a notch-shaped insertion portion through which the pipe can pass.

Further, the above object of the present invention includes a panel body and a plurality of heat sinks arranged in parallel on the panel body, wherein the heat sink is a radiant panel having a mounting portion to which a pipe through which a heat transfer fluid passes is mounted. A manufacturing method comprising: a connecting step of arranging a plurality of the heat sinks in parallel and connecting the ends thereof with a connecting and retaining member; attaching the connecting and retaining member connecting the plurality of the heat sinks to the panel body; a mounting step of holding the panel main body, wherein the connecting and holding member includes a holding plate formed in a band shape and having a plurality of cutouts on one side edge extending in the longitudinal direction; This is achieved by a method of manufacturing a radiant panel in which a plurality of heat sinks are fitted in respective cutouts.

Advantageous Effects of Invention According to the present invention, it is possible to provide a radiant panel capable of efficiently performing air conditioning with an inexpensive structure, and a manufacturing method thereof.

1 is a plan view of a radiant panel according to an embodiment of the invention; FIG. FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1; FIG. 2 is an exploded plan view showing the essential parts of the radiation panel shown in FIG. 1; FIG. 3 is a cross-sectional view showing a main part of the radiation panel shown in FIG. 1 together with a modified example; FIG. 10 is a plan view of a main part showing another modification of the radiation panel shown in FIG. 1; FIG. 4 is a plan view of a radiation panel according to another embodiment of the invention; FIG. 7 is a cross-sectional view taken along the line BB of FIG. 6; FIG. 10 is a plan view of the essential parts of a radiation panel according to still another embodiment of the present invention;

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a plan view of a radiation panel according to one embodiment of the invention. The radiant panel 1 shown in FIG. 1 is a radiant panel for cooling and heating that is attached to an indoor ceiling. and

The panel body 10 is a flat plate-shaped member that is rectangular in plan view and made of a metal material having high thermal conductivity such as aluminum. Flange portions 13a and 13b are formed. Although the lower surface side of the panel body 10 is formed flat in this embodiment, it may be provided with a plurality of ribs, curved portions, or the like. A large number of small holes may be formed in the panel body 10 as required.

The heat sink 20 is a metal member having high thermal conductivity, includes a strip-shaped substrate 21 and a mounting portion 22 extending along the longitudinal direction of the substrate 21, and is manufactured by extrusion molding, for example. A plurality of heat sinks 20 are arranged in parallel at regular intervals, and straight portions 91 of pipes 90 are attached to the attachment portions 22 of the respective heat sinks 20 .

In the pipe 90, the ends of adjacent linear portions 91 are connected to each other through curved portions 92 so that the flow path meanders, and the heat transfer fluid flows from one end side 93 toward the other end side 94. passes through the interior. The material of the pipe 90 is not particularly limited, but a material having a light weight and a certain degree of rigidity, such as a metal pipe made of aluminum or the like, or a three-layer pipe in which the inner and outer surfaces of the metal pipe are coated with a resin such as polyethylene, is preferably exemplified. be able to. In addition, in FIG. 1, illustration of the vicinity of both end portions of the pipe 90 is omitted.

The plurality of heat sinks 20 are connected at both ends in the longitudinal direction by two connection holding members 30 , 30 . The connection holding member 30 includes a band-shaped holding plate 31 , and the holding plate 31 is arranged along the parallel direction of the heat sinks 20 . A plurality of notches 33 are formed in one side edge of the holding plate 31 extending in the longitudinal direction, and the heat sink 20 is fitted in each of the notches 33 . A reinforcing plate 32 standing on the upper surface side is formed by bending at the other side edge extending in the longitudinal direction of the holding plate 31 .

FIG. 2 is a cross-sectional view taken along line AA of FIG. As shown in FIG. 2, the mounting portion 22 of the heat sink 20 is formed in an arcuate cross section with an upper opening, and a constricted portion 23 is formed between the mounting portion 22 and the substrate 21 that supports the lower side. As shown in the exploded plan view of FIG. 3, the notch 33 is formed in a rectangular shape in plan view. By horizontally moving in the direction indicated by the arrow in FIG. It engages with the constricted portion 23 of the heat sink 20 . In this way, the plurality of heat sinks 20 are connected at their ends by the connection holding member 30 .

As shown in FIG. 2, flange portions 11a and 11b formed on both left and right sides of the panel main body 10 are bent so that the outer sides thereof stand upright to form mounting portions 12a and 12b. On the other hand, horizontal portions 34a, 34b and standing portions 35a, 35b, which are joined to the flange portions 11a, 11b and the mounting portions 12a, 12b respectively, are formed by bending on both the left and right sides of the connection holding member 30. As shown in FIG. The mounting portions 12a, 12b and the standing portions 35a, 35b are fixed to each other by rivets 36 driven into rivet holes. Thus, the connection holding member 30 is attached to the flange portions 11 a and 11 b of the panel body 10 , and the holding plate 31 holds the substrate 21 of each heat sink 20 to the panel body 10 .

The radiating panel 1 having the above configuration is connected after performing a connection step of fitting both end portions of the plurality of heat sinks 20 arranged in parallel into the notches 33 of the connection holding members 30 and 30 to connect them. The heat sink 20 can be manufactured by placing a plurality of heat sinks 20 on the upper surface of the panel main body 10 and attaching the connecting members 30 , 30 at both ends to the panel main body 10 . In the connecting step, the plurality of heat sinks 20 may be connected by connecting and holding members 30, 30 in a state in which their positions are temporarily fixed using tapes, jigs, or the like, thereby improving workability. be able to. In the mounting process described above, after the connecting members 30 and 30 are mounted on the panel body 10, the linear portions 91 of the pipes 90 are driven into the mounting portions 22 of the heat sinks 20 to press the pipes 90 from above. , the pressing frame 40 can be fixed to the panel body 10 with rivets or the like. However, the pressing frame 40 is not essential, and it is also possible to attach a plurality of heat sinks 20 only with the connection holding member 30 .

In the radiation panel 1 of the present embodiment, the connection holding member 30 includes a holding plate 31 that connects the plurality of heat sinks 20 at their ends and holds them on the panel body 10, so that each heat sink 20 can be connected to the panel body 10 as in the conventional art. Since it is not necessary to adhere to 10 with an adhesive, it can be manufactured easily and at low cost. Moreover, since the panel main body 10 and the heat sink 20 can be brought into direct contact with each other without an adhesive layer interposed therebetween, the thermal conductivity can be improved, and the air conditioning efficiency can be enhanced. As described above, the heat sink 20 does not need to be adhered to the panel body 10 for the purpose of being attached thereto, but an arbitrary portion such as the central portion of the heat sink 20 may be partially adhered to the panel body 10 .

Since the holding plate 31 is provided with the standing plate 32 standing from the other side edge opposite to the one side edge in which the cutout portion 33 is formed, the rigidity of the holding plate 31 is increased and the plurality of heat sinks 20 are supported. The whole can be reliably brought into close contact with the panel body 10. - 特許庁As shown in FIG. 3, it is preferable to leave a slight uncut portion U between the reinforcing plate 32 and the notch portion 33, and the distance D between the reinforcing plate 32 and the notch portion 33 is, for example, 3 to It is preferable to set it to about 10 mm.

As shown in the enlarged cross-sectional view of FIG. 4(a), the heat sink 20 of the present embodiment has a general shape in which the mounting portion 22 is formed in an arcuate cross section and is supported by a strip-shaped substrate 21. Since the member 30 is connected by the notch 33 using the constricted portion 23 of the general-purpose heat sink 20, the manufacturing cost can be reduced.

The constricted portion 23 may be formed so as to narrow in the width direction of the heat sink 20 (horizontal direction in FIG. 4), and its shape is not particularly limited. For example, as shown in FIG. 4(b), the heat sink 20 may be formed in a rectangular cross-section with an opening height substantially equal to the thickness of the holding plate 31, thereby securely fitting the heat sink 20 into the notch 33. As shown in FIG. can be done. Protrusions 33a and 33b projecting upward may be provided on both side edges of the notch 33 so that the notch 33 and the heat sink 20 are more securely fitted. However, the constricted portion 23 is not essential in the present invention. For example, as shown in FIG. can be done.

The notch 33 of this embodiment is formed in a rectangular shape, but as shown in FIG. In this way, the holding force of the heat sink by the side edges 331 and 332 of the notch 33 can be increased.

Attachment of the connection holding member 30 to the panel main body 10 may be performed using fasteners other than the rivets 36, such as bolts and screws, or fixing means such as the pressing frame 40 shown in FIG. The attachment position of the connection holding member 30 may be the flange portions 13a and 13b on both longitudinal sides of the panel body 10, or any other position. Moreover, it is also possible to attach the connection holding member 30 without using a fastener or the like. may Although it is preferable that a plurality of connection holding members 30 are provided as in the present embodiment to connect the plurality of heat sinks 20 at both ends, only one end of the plurality of heat sinks 20 may be connected.

FIG. 6 is a plan view of a radiation panel according to another embodiment of the invention. The radiation panel 1' shown in FIG. 6 has both ends of the radiation panel 1 shown in FIG. Two sets of a plurality of heat sinks 20 connected by two are prepared, and each set of heat sinks 20 is arranged along the longitudinal direction of the panel body 10. The rest of the configuration is the same as that of the radiation panel 1 shown in FIG. be. Therefore, in FIG. 6, the same components as in FIG. 1 are denoted by the same reference numerals, and detailed description thereof is omitted.

Of the connecting and holding members 30 and 30' that connect both ends of the plurality of heat sinks 20, one of the connecting and holding members 30 arranged on the end side of the panel body 10 corresponds to the connecting and holding member 30 of the radiation panel 1 shown in FIG. has the same configuration as The other connecting and holding member 30' disposed on the central side of the panel body 10 is formed by forming an insertion portion in the reinforcing plate 32 in the one connecting and holding member 30, and the other configuration is the same as that of the one connecting and holding member. Similar to 30.

7 is a cross-sectional view taken along the line BB of FIG. 6. FIG. As shown in FIG. 7, the insertion portion 37 of the other connection holding member 30' is formed in a notch shape so that the linear portion 91 of the pipe can be inserted from above and pass through the reinforcing plate 32. A plurality of them are arranged at positions corresponding to the respective cutouts 33 . According to this configuration, even if the straight portion 91 of the pipe is long, by arranging a plurality of sets of the heat sinks 20 arranged in parallel along the straight portion 91, the entire longitudinal direction of the heat sinks 20 can be securely attached to the panel body 10. They can be brought into close contact with each other and good heat transfer efficiency can be ensured.

The connection holding member 30' can also be arranged on the end side of the panel body 10 in the radiation panel 1 shown in FIG. 1 or the radiation panel 1' shown in FIG. The connection holding member 30' can be arranged at any position along the straight portion 91 of the pipe 90 between the mounting portions 12a and 12b. Alternatively, the connection holding member 30' may be arranged with a gap between it and the flange portion 13a of the panel body 10, and the linear portion 91 of the pipe 90 may be inserted through the insertion portion 37 of the connection holding member 30'. According to this configuration, since the curved portion 92 of the pipe 90 does not interfere with the connection holding member 30′, there is no need to cause the curved portion 92, so that the connection holding member 30′ can be easily attached. can be brought close to the panel main body 10, the air conditioning performance can be improved. The holding frame 40 (see FIG. 1) can be arranged so as to overlap with the connecting holding member 30′. The number of times the rivets 36 are driven can be reduced to speed up the work.

1, 1' radiation panel 10 panel main body 20 heat sink 21 substrate 22 mounting portion 23 constricted portion 30, 30' connecting and holding member 31 holding plate 32 reinforcing plate 33 notch 37 insertion portion 90 pipe

Claims (7)

A radiant panel comprising a panel body and a plurality of heat sinks arranged in parallel on the panel body, the heat sinks having mounting portions to which pipes through which a heat transfer fluid passes are mounted,
further comprising a connection holding member that connects the plurality of heat sinks at their ends and holds them on the panel body;
The connection holding member includes a holding plate having a plurality of cutouts on one side edge formed in a belt shape and extending in the longitudinal direction, and the heat sinks are fitted in the respective cutouts. A radiant panel attached to the panel body. 2. The radiant panel of claim 1, wherein the cutouts engage constrictions formed in the heat sink at both side edges. The mounting portion is formed to have an arcuate cross section and is supported by a strip-shaped substrate,
3. The radiation panel according to claim 2, wherein the constricted portion is formed between the substrate and the mounting portion. 4. The radiation panel according to any one of claims 1 to 3, wherein the cutout portion is formed so as to gradually narrow from one side edge to the other side edge of the holding plate. 5. The radiation panel according to any one of claims 1 to 4, wherein said connecting and holding member comprises a reinforcing plate standing from the other side edge of said holding plate. 6. The radiant panel according to claim 5, wherein the reinforcing plate has a notch-shaped insertion portion through which the pipe can pass. A method for manufacturing a radiant panel comprising a panel body and a plurality of heat sinks arranged in parallel with the panel body, the heat sinks having mounting portions to which pipes through which a heat transfer fluid passes are mounted,
A connecting step of arranging a plurality of the heat sinks in parallel and connecting the ends with a connecting holding member;
a mounting step of mounting the connecting and holding member connecting a plurality of the heat sinks to the panel body to hold the heat sinks on the panel body;
The connection holding member includes a holding plate formed in a band shape and having a plurality of notches on one side edge extending in the longitudinal direction,
The method of manufacturing a radiant panel, wherein the connecting step includes fitting the plurality of heat sinks into the respective cutouts.

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