JP4238658B2 - Sidewalk block providing information to pedestrians - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a sidewalk installation block that has a protrusion on the surface, guides a pedestrian by touching the protrusion, and provides identification information to the pedestrian through non-contact communication.
[0002]
[Prior art]
When a visually impaired person walks, use a white cane to walk while ensuring safety by searching for the situation of the walking destination, and in some cases touch the dotted or linear protrusions of the braille block with the tip of the foot Thus, walking information is obtained. For this reason, the information provided to visually impaired persons during walking is limited, and the range in which one person can act is limited. In recent years, a method has been proposed in which an IC tag in which an antenna coil and an electronic component (nonvolatile memory) are integrated is incorporated in a braille block, and information is provided to pedestrians by non-contact communication with a white cane-like reader / writer. (For example, Patent Document 1).
[0003]
Here, for sidewalk installation blocks such as Braille blocks, colored concrete is generally used for harmony with the surrounding environment, but for the sake of cost reduction, a composite with uncolored back concrete joined to the back of colored concrete. A block molded body having a structure is used. This block molded body is manufactured as shown in FIGS. 12 (a) to 12 (d). First, a mold 121 as shown in FIG. 12A was prepared, and a colorant was kneaded into a concrete material in the mold 121 as shown in FIG. Pour colored concrete 122. Next, as shown in FIG. 12 (c), the back concrete 123 is poured, and after the concrete has hardened, it is removed from the mold 121, and as shown in FIG. 12 (d), the colored concrete layer 124 and the back part are removed. A sidewalk installation block molded body 126 having a concrete layer 125 is obtained.
[0004]
[Patent Document 1]
Japanese Patent Laid-Open No. 2002-165825
[Problems to be solved by the invention]
When the IC tag is built in the sidewalk installation block molded body 126, the IC tag is embedded in concrete containing moisture before curing, and shrinkage stress acts upon curing. Further, the sidewalk installation block molded body 126 is placed outdoors that is easily affected by weather conditions, and is exposed to severe conditions such as being stepped on by pedestrians.
[0006]
Furthermore, when manufacturing the sidewalk installation block molded body 126 having the colored concrete layer 124 and the back concrete layer 125, the water content of the back concrete 123 is increased, and the water content of the back concrete 123 after molding is on the colored concrete 122 side. By adhering to, the interface between the colored concrete 122 and the back concrete 123 is joined, and a good block molded body 126 is obtained. Therefore, when an IC tag is built in, it is necessary to consider not breaking the good bonding at the interface between the colored concrete layer 124 and the back concrete layer 125.
[0007]
The present invention has been made based on the above, and an object of the present invention is to provide a sidewalk installation block that provides information to pedestrians that can minimize the adverse effects on the built-in IC tag at the time of manufacturing the block molded body. Moreover, this invention aims at provision of the sidewalk installation block which provides information to the pedestrian who can prevent the bad influence of the external environment with respect to IC tag after installation. Furthermore, an object of the present invention is to provide a sidewalk installation block that provides information to pedestrians that can minimize the adverse effects on the block molded body due to the built-in IC tag.
[0008]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the present invention comprises a projection antenna on the surface, a block molded body for guiding a pedestrian by touching the projection to the pedestrian, and a transmission / reception antenna and an IC chip, and an outer layer resin. a built-in sealed IC tag Ri Na, the block shaped body has a colored concrete layer and the back portion concrete layer, the outer layer resin sealed IC tag having legs the colored concrete layer side the Provided is a sidewalk installation block that provides information to pedestrians that are embedded in colored concrete layers .
[0009]
By incorporating an IC tag sealed with an outer layer resin, the IC tag can be protected from various adverse effects (temperature changes, inflow of moisture, pressurization, etc.) that occur during the manufacture of the block molded body and after the block molded body is installed. It is possible to provide stable information.
[0015]
Since an IC tag sealed with an outer layer resin that has legs on the colored concrete layer side is embedded in the colored concrete layer, the moisture in the back concrete has an affinity for the colored concrete and the interface between the colored concrete and the back concrete A bonded and good block molded body can be obtained.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
In this invention, a block molded object is manufactured by pouring colored concrete and back part concrete into a formwork as usual. The resin that forms the outer layer of the outer layer resin-encapsulated IC tag incorporated in the block molded body includes acrylobutadiene styrene resin, vinyl chloride resin, polyethylene terephthalate, polyphenylene sulfide, epoxy resin, urethane resin, silicone resin, polybutylene terephthalate. , Polycarbonate, acrylic resin, and the like. By molding these resins on the outer periphery of an IC tag including a transmission / reception antenna and an IC chip by injection molding or the like, an IC tag sealed with an outer layer resin can be obtained.
[0017]
Referring to FIGS illustrating the shape condition of an embodiment of the present invention. First, referring to FIG. 1 and FIG. 2, an embodiment of an outer layer resin-sealed IC tag used in the present invention will be described. As shown in FIG. 1, an enameled wire is wound around a plurality of turns. The IC tag 3 is formed by connecting the IC chip 3 to the terminal of the transmission / reception antenna 2 to be formed. Next, as shown in FIG. 2, the outer layer is formed by molding the resin 4 on the outer periphery of the IC tag 1 by injection molding. A resin-sealed IC tag 5 is formed.
[0018]
By embedding the outer layer resin-sealed IC tag 5 between the colored concrete layer 6 and the back concrete layer 7, a block molded body (sidewalk installation block) 8 is obtained. In the block molded body having such a configuration, since the IC tag 1 is protected by the resin 4, it is possible to minimize the influence of moisture and the influence of curing stress when the block molded body is manufactured. Therefore, it is possible to minimize the influence of rainfall and temperature change after installation and the influence of the weight of pedestrians, etc., and to provide information stably.
[0019]
Incidentally, substantially the installed outer layer resin sealed IC tag 5 so as to cover the entire surface, a possibility that bonding strength between the colored concrete layer 6 and the back portion concrete layer 7 as described above is reduced in wearing color concrete layer 6 is there. Next, an embodiment for solving such a problem will be described.
[0020]
Referring to FIGS. 4 and 5, illustrating the shape condition of another embodiment of the present invention. In the present embodiment, as shown in FIG. 4, an outer layer resin-sealed IC tag 45 in which a part of the surface partitioned by the transmitting / receiving antenna 2 is hollowed to form an internal space 9 is used. The colored concrete layer is obtained by setting the lateral width a and longitudinal width b of the outer layer resin-encapsulated IC tag 45 to be 10 mm to 30 mm smaller than the lateral width and longitudinal width of the block molded body, respectively, and setting the frame width c to 5 mm to 20 mm. And the back concrete layer are sufficiently bonded to each other, and a block molded body having a good cured state can be obtained.
[0021]
A method of manufacturing a block molded body using the outer layer resin-encapsulated IC tag 45 having such a structure will be described with reference to FIG. 5. As shown in FIG. 5A, the block molded body is poured into the mold 51. When the outer layer resin-encapsulated IC tag 45 is placed on the colored concrete 52, the back concrete 53 is poured thereon, and the post-curing mold 51 is removed, as shown in FIG. A block molded body 58 in which the outer layer resin-sealed IC tag 45 is embedded between the back concrete layer 57 and the back concrete layer 57 is obtained. Since the back concrete 53 is also poured into the internal space 9 formed by hollowing out the outer layer resin-sealed IC tag 45, the moisture contained in the back concrete 53 is compatible with the colored concrete 52 side, and the interface between both is good. Joining is achieved.
[0022]
With reference to FIGS. 6 and 7, illustrating the shape condition of another embodiment of the present invention. In the present embodiment, as shown in FIG. 6, a block molded body 68 is formed by embedding in a colored concrete layer 66 so that one surface of an outer layer resin-sealed IC tag 65 is exposed. In the present embodiment, the outer layer resin-encapsulated IC tag 65 is similar to the outer layer resin-encapsulated IC tag described with reference to FIG. Moisture contained in the back concrete has an affinity for the colored concrete side, and good bonding at both interfaces is achieved. In addition, since the outer layer resin-sealed IC tag 65 is partially exposed and embedded, signal attenuation by the block molded body can be minimized, so that it is possible to provide good information.
[0023]
The manufacturing method of the block molded body 68 having such a structure will be described with reference to FIG. 7. As shown in FIG. 7 (a), an outer layer resin-sealed IC tag 65 is arranged in a mold 71, When the colored concrete 72 and the back concrete 73 are sequentially poured and the post-curing mold 71 is removed, a block molded body 68 as shown in FIG. 6 is obtained.
[0024]
Figure 8 shows the form status of the other embodiment is obtained by arranging the outer layer resin sealed IC tag 85 along the outer edge of the block shaped body 88, the communication area is the whole block formed body 88 of the IC tag Can be covered. Such a block molded body 88 can be manufactured in the same manner as the method shown in FIG.
[0025]
Figure 9 shows the form status of the other embodiments, the outer layer resin sealed IC tag 95 is arranged along the outer edge of the block shaped body 98, between the block shaped body 98 to the outer layer resin sealed IC tag 95 By providing the fitting portion 10, it is possible to prevent the outer layer resin-sealed IC tag 95 from falling off the block molded body 98.
[0026]
With reference to FIGS. 10 and 11, illustrating the shape condition of another embodiment of the present invention. In the present embodiment, as shown in FIG. 10, a block molded body 108 is formed by embedding an outer resin-encapsulated IC tag 105 having legs 11 on the colored concrete layer 102 side in the colored concrete layer 102.
[0027]
FIG. 11 shows a manufacturing method of the block molded body 108. As shown in FIG. 11 (a), an outer layer resin-encapsulated IC tag 105 having legs 11 is arranged in a mold 111. In addition, as shown in FIG. 11 (b), when colored concrete 112 and back concrete 113 are sequentially poured and the post-curing mold 111 is removed, a block molded body 108 as shown in FIG. 10 is obtained.
[0028]
In the present embodiment, since the colored concrete 112 is poured in the state where the outer layer resin-sealed IC tag 105 is floated by the legs 11, the colored concrete 112 can be poured into the entire bottom of the mold 111. In addition, since the outer layer resin-sealed IC tag 105 is embedded in the colored concrete 112, the moisture contained in the back concrete 103 has an affinity for the colored concrete 102 side, and a good bonding between the two interfaces is achieved. In the present embodiment, not only the hollowed out outer layer resin-sealed IC tag shown in FIG. 4 but also the flat plate outer layer resin-sealed IC tag shown in FIG. 2 can be used.
[0029]
【The invention's effect】
As described above, the sidewalk installation block that provides information to the pedestrian of the present invention has a protrusion on the surface, and inside the block molded body that guides the pedestrian by touching the protrusion with the tip of the foot, Equipped with a transmission / reception antenna and an IC chip and built-in IC tag sealed with an outer layer resin. Various adverse effects (temperature change, inflow of moisture, pressurization, etc.) that are experienced during the manufacture of block molded bodies and after installation of block molded bodies IC tags can be protected from pedestrians and stable information can be provided to pedestrians.
[0030]
Further, the sidewalk installation block for providing information to the pedestrian of the present invention is that the IC tag sealed with the outer layer resin having a structure in which a part of the surface partitioned by the transmission / reception antenna is hollowed out, the colored concrete layer and the back part It is embedded near the boundary portion with the concrete layer, and the good water-blocking body can be obtained in which the water content of the back side concrete has affinity to the colored concrete side and the interface between the colored concrete and the back side concrete is joined.
[0031]
In addition, since the sidewalk installation block that provides information to the pedestrian of the present invention is partly exposed and embedded in the colored concrete layer, the moisture in the back concrete is compatible with the colored concrete, A good block molded body in which the interface with the back concrete is joined can be obtained. Further, since the IC tag sealed with the outer layer resin is partly exposed and embedded, signal attenuation by the block molded body can be suppressed to a minimum, so that it is possible to provide good information.
[0032]
In addition, the sidewalk installation block for providing information to pedestrians of the present invention has an IC tag sealed with an outer layer resin having legs on the colored concrete layer side, embedded in the colored concrete layer. Has an affinity for colored concrete, and an excellent block molded body in which the interface between the colored concrete and the back concrete is joined can be obtained.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram of an embodiment of an IC tag used in the present invention.
FIG. 2 is an explanatory diagram of an embodiment of an outer layer resin-sealed IC tag used in the present invention.
FIG. 3 is an explanatory diagram of an embodiment of a sidewalk installation block according to the present invention.
FIG. 4 is an explanatory diagram of another embodiment of an outer layer resin-encapsulated IC tag used in the present invention.
FIG. 5 is an explanatory diagram of an embodiment of a sidewalk installation block according to the present invention.
FIG. 6 is an explanatory diagram of an embodiment of a sidewalk installation block according to the present invention.
FIG. 7 is an explanatory diagram of a method for manufacturing a sidewalk installation block according to the third embodiment.
FIG. 8 is an explanatory diagram of an embodiment of a sidewalk installation block according to the present invention.
FIG. 9 is an explanatory diagram of an embodiment of a sidewalk installation block according to the present invention.
FIG. 10 is an explanatory diagram of an embodiment of a sidewalk installation block according to the present invention.
Figure 11 is an explanatory diagram of a method for manufacturing a pavement installed blocks in FIG.
FIG. 12 is an explanatory diagram of a conventional method for manufacturing a sidewalk installation block.

Claims (1)

There is a protrusion on the surface, and a block molded body that guides a pedestrian by touching the protrusion to the protrusion is provided with a transmission / reception antenna and an IC chip, and an IC tag sealed with an outer layer resin is built in. The
The block molded body has a colored concrete layer and a back concrete layer, and an outer layer resin-sealed IC tag having legs on the colored concrete layer side is embedded in the colored concrete layer. Sidewalk installation block that provides information to pedestrians.

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