JPH06147395A - Honeycomb structural body - Google Patents

Abstract

PURPOSE:To provide a honeycomb structural body suitable for use as a heat insulating material and also suitable for use as various building construction materials. CONSTITUTION:A plate body is made of an inorganic material and has the preset thickness, and it is provided with many pyramidal holes 15 having the depth nearly equal to the thickness of the plate body on the upper face 11 and the lower face 13. The holes 15 provided on the upper face 11 and the lower face 13 are arranged in turn with one side wall 17 used in common.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a honeycomb structure which can be used as a heat insulating material and as various building and building materials.

[0002]

2. Description of the Related Art Conventionally, in cold regions, a road heater is buried in a road to melt snow accumulated on the road and freezing of the road surface.

As this kind of load heater, for example,
A method is used in which a heating pipe is laid under the asphalt of a road, and a fluid such as oil heated by a boiler or the like is caused to flow in the heating pipe to heat the pipe.

Since the heat of the heating pipe propagates radially, only the heat radiated toward the road surface can be effectively used, and the heat radiated in other directions cannot be used at all. It will be wasted.

In order to prevent this inconvenience, the upper and lower surfaces of the heating pipe may be covered with a plate-shaped heat insulating material so that the heat radiated from the heating pipe is stored. By doing so, not only the heat radiated toward the road surface but also the heat radiated in the directions other than the road surface can be stored in the heat insulating material without being released. The heat storage material gradually radiates heat toward the road surface to the extent that the road surface does not freeze.

[0006]

However, the conventional heat insulating material is not very strong in strength, and when it is laid under the road and a large number of vehicles such as trucks pass on it, its deterioration or It will be damaged.

On the other hand, a resin material or the like is usually used for the heat insulating material, but in Japan, there is a restriction that the building material must use a non-combustible material according to the Fire Service Law (use of a flame retardant material only as a floor material. It recognized). That is, as a building material, a heat insulating material made of a material such as a resin material cannot be used.

The present invention has been made in view of the above points, and an object thereof is to provide a honeycomb structure suitable not only for use as a heat insulating material but also for use as various building and construction materials. Especially.

[0009]

In order to solve the above problems, the present invention is a plate body having a predetermined thickness and formed of an inorganic material, and the upper and lower surfaces of the plate body have substantially the same thickness as the plate body. A honeycomb structure was formed by providing a large number of substantially pyramidal holes each having a depth and alternately arranging the holes provided on the upper surface and the lower surface so as to share one side wall.

[0010]

In the above honeycomb structure, a large number of side walls support the force applied in the thickness direction due to its structure, so that the strength thereof becomes strong.

Further, since this honeycomb structure is formed only by the upper and lower surfaces made of a thin inorganic material and the side walls, the weight thereof is light.

Further, this honeycomb structure is composed of only thin upper and lower surfaces and side walls, and all other portions are holes, and since air having low thermal conductivity is contained in the holes, sufficient heat storage is achieved. And has adiabatic action.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a perspective view showing a honeycomb structure 1 according to one embodiment of the present invention. 2A is a partially enlarged plan view of the honeycomb structure 1, FIG. 2B is a cross-sectional view taken along the line AA of FIG. 2A, and FIG. 2C is the honeycomb structure 1.
It is a partially expanded perspective view of FIG.

As shown in FIGS. 1 and 2, the honeycomb structure 1 is a plate made of an inorganic material having a predetermined thickness, and has a large number of holes 15 on its upper surface 11 and lower surface 13. ing. In FIG. 2 (a), the holes 15 shown by the solid lines show those provided on the upper surface 11 of the honeycomb structure 1, and the holes 15 shown by the dotted lines show those provided on the lower surface 13 of the honeycomb structure 1. There is.

Here, both surfaces 11, 13 of the honeycomb structure 1 are
All the holes 15 provided in the
As shown in (c), the inlet portion is formed in a conical shape and the bottom portion is formed in a triangular pyramid shape. Further, as shown in FIG. 2B, the holes 15 are alternately arranged on the upper and lower surfaces 11 and 13 of the honeycomb structure 1 such that the side walls 17 thereof are shared by one plate. The depth of the hole 15 is substantially the same as the thickness of the honeycomb structure 1 (the depth which is shallower than the thickness of the honeycomb structure 1 by the thickness of the surface 11 or 13). It should be noted that none of the holes 15 penetrates the honeycomb structure 1.

Here, as the inorganic material constituting the honeycomb structure 1, for example, cement, concrete obtained by kneading cement with fine aggregate for concrete such as river sand or slag, or the like is used. Needless to say, other materials may be used as long as they are inorganic materials having a desired strength.

Next, a method for manufacturing the honeycomb structure 1 will be described. Here, FIG. 3 is a view showing a mold 3 used for manufacturing the honeycomb structure 1, where FIG. 3A is a partial side sectional view and FIG. 3B is a partially enlarged perspective view. The cross section of the mold 3 shown in FIG. 2 (a) shows a cross section of a portion equivalent to the line AA of FIG. 2 (a).

As shown in the figure, the mold 3 is composed of a flat plate member 31 and a large number of pyramidal projections 33 protruding at regular intervals. Here, this protrusion 33 is the same as in FIG.
For forming the hole 15 shown in FIG. 3, the base of which is conical and the tip of which is triangular pyramid.

Then, two molds 3 are prepared, and as shown in FIG. 4, the protrusions 33, 33 of the two molds face each other, and between the protrusions 33 of the one mold 3 the other mold 3 is formed. Protrusion 3
Insert 3 so that both do not touch directly. Then, the outer peripheries of both molds 3 and 3 are fixed by a fixing jig 5.

Then, an inorganic material such as cement is injected from the injection hole 51 provided in the fixing jig 5 and solidified.

Then, by removing both molds 3 and 3, a honeycomb structure 1 as shown in FIGS. 1 and 2 is completed.

Due to its structure, the honeycomb structure 1 manufactured as described above has a force applied in the thickness direction (see FIG. 2 (b)).
Since a large number of side walls 17 support this (the force in the direction of the arrow B in FIG. 2), the strength thereof is quite strong, for example, such that the honeycomb structure 1 is not deformed even if a dump truck rides on it. is doing. Further, since the honeycomb structure 1 is formed only by the upper and lower surfaces 11 and 13 made of a thin inorganic material and the side wall 17, the weight thereof is light.

The honeycomb structure 1 is composed of only the thin upper and lower surfaces 11 and 13 and the side wall 17 as described above, and all the other parts are holes 15, and the holes 15 have thermal conductivity. Since it contains low air, it has sufficient heat storage and heat insulation.

FIG. 5 is an exploded perspective view showing a usage example in which the honeycomb structure 1 is used in the plate heater 100.
As shown in the figure, the plate heater 100 includes a honeycomb structure 1 according to the present invention, a heat insulating plate 3, a plate-shaped heater 5, a honeycomb structure 1 according to the present invention, and an aluminum metal plate 7. Are superposed in this order and fixed integrally.

The plate heater 100 can be used as a road heater with high thermal efficiency by being buried under asphalt on a road, for example. That is, if the heater 5 of the plate heater 100 is heated, the heat hardly escapes to the soil therebelow due to the heat insulating effect of the lower heat insulating plate 3 and the honeycomb structure 1. At the same time, the heat of the heater 5 is stored in the upper honeycomb structure 1. Then, the stored heat is gradually transferred to the upper asphalt to warm the road surface.

On the other hand, the plate heater 100 is buried under the road, and automobiles such as trucks pass on the plate heater 100. However, since the honeycomb structure 1 has a considerably high strength as described above, the plate heater 100 can be used. Will not be damaged.

The plate heater 100 can also be installed in a floor, a wall or a ceiling and used for indoor heating.

By the way, as described above, the honeycomb structure 1 has the properties of heat storage / insulation effect, high strength, and light weight.
It can be used for other purposes such as building materials for floors / walls / ceilings and various building / construction materials such as bridges. Further, it goes without saying that the above properties can be utilized for various other purposes.

The shape of the holes of the honeycomb structure according to the present invention is not limited to the above embodiment, and any shape may be used as long as it has a substantially pyramidal shape.

[0030]

As described in detail above, according to the honeycomb structure of the present invention, since it is made of an inorganic material, it is nonflammable, and its structural strength is strong and light weight. Not only is it suitable for use as a material,
It has an excellent effect that it is suitable for use as various building and construction materials.

[Brief description of drawings]

FIG. 1 is a perspective view showing a honeycomb structure 1 according to one example of the present invention.

2 (a) is a partially enlarged plan view of the honeycomb structure 1, FIG. 2 (b) is a sectional view taken along line AA of FIG. 2 (a), and FIG.
(C) is a partially enlarged perspective view of the honeycomb structure 1.

[Fig. 3] Fig. 3 is a view showing a mold 3 used for manufacturing the honeycomb structure 1.

FIG. 4 is a diagram showing a method for manufacturing the honeycomb structure 1.

FIG. 5 is an exploded perspective view showing a usage example in which the honeycomb structure 1 is used for the plate heater 100.

[Explanation of symbols]

 1 Honeycomb Structure 11 Upper Surface 13 Lower Surface 15 Hole 17 Sidewall

Claims (1)

[Claims] 1. A plate body having a predetermined thickness and formed of an inorganic material, wherein a plurality of substantially pyramidal holes having a depth substantially the same as the thickness of the plate body are provided on an upper surface and a lower surface thereof, and A honeycomb structure characterized in that holes provided on the upper surface and the lower surface are alternately arranged so as to share one side wall.