JPH09116317A - Planar antenna device for reception - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify the wiring of a coaxial cable for connecting an antenna element to the side of a receiver, to prevent water proofness from being damaged and to prevent construction materials such as roof materials from being damaged. SOLUTION: An antenna element 11 is integrally provided on armour construction materials. Then, on the construction materials inside the armour construction materials, a through hole is provided corresponding to a power feeding point 18 of the antenna element 11, and the cable for connecting the power feeding point 18 of the antenna element 11 to the side of the receiver is inserted through the through hole and wired inside a building. Besides, on the side of the antenna element 11, a seal member 36 is provided around the power feeding point 18 so as to be protruded toward the opening edge part of the through hole.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a receiving planar antenna device in which an antenna element is integrally incorporated into a building material such as a roof material or an outer wall material.

[0002]

2. Description of the Related Art An antenna element for TV reception is installed on a roof in order to prevent the appearance of a building from being damaged and damage or radio interference caused by external factors such as wind and rain. 2. Description of the Related Art There has been proposed a planar antenna device for reception, which is integrally incorporated in a building material such as a building material or an outer wall material.

This type of conventional receiving planar antenna device,
For example, as shown in FIG. 10 or FIG. 11, when the antenna element 2 is integrally provided on the lower surface of the roof material 1,
There is one in which the waterproof sheet 4 and the other roofing material 1 are arranged on the roof base plate 3 through the waterproof sheet 4 (for example, Japanese Patent Laid-Open No. 7-1
No. 06834), in this case, the coaxial cable 5 for connecting the antenna element 2 of the roofing material 1 to the receiver side is drawn from the antenna element 2 to the upper end or the lower end of the roof along the roof surface, and from there, the interior of the building And it was connected to the receiver side.

[0004]

However, in the conventional case,
Since the coaxial cable 5 for connecting the antenna element 2 to the receiver side needs to be laid along the building material such as the roof material 1 for a considerable length of time, the wiring becomes complicated and is disadvantageous in terms of waterproofing. In particular, when the coaxial cable 5 is arranged along the roof surface as shown in FIG. 10 or FIG. 11, the coaxial cable 5 usually has a diameter of 5
Since the thickness is about mm, there is a problem that the roof material 1 is likely to have a step crack.

In view of the above problems, the present invention can simplify the wiring of the coaxial cable for connecting the antenna element to the receiver side, prevent the waterproof property from being impaired, and can be used for building materials such as roofing materials. It is designed to prevent damage.

[0006]

The first technical means of the present invention for solving this technical problem is the antenna element 1
In the receiving planar antenna device 1 provided integrally with the exterior building material, the building material inside the exterior building material is provided with an insertion hole corresponding to a feeding point 18 of the antenna element 11, and the insertion hole is provided in the insertion hole. A cable 32 for connecting the feeding point 18 of the antenna element 11 to the receiver side is inserted and wired in the building, and a sealing material 36 is provided on the antenna element 11 side.
It is provided so as to surround the power feeding point 18 and project toward the opening edge of the insertion hole.

The second technical means of the present invention is, in a receiving planar antenna device in which the antenna element 11 is integrally provided on the roof material 39, in the waterproof sheet 42 and the field board 41 below the roof material 39. , The feeding point 18 of the antenna element 11
Insertion holes 44 and 45 are provided corresponding to
A cable 32 for connecting the antenna element 11 to the receiver side is inserted into the antennas 4 and 45 and wired inside the building, and a sealing material 36 is provided on the antenna element 11 side, and a feeding point 18 is provided.
It is provided so as to surround the periphery of and to project toward the opening edge portions of the insertion holes 44 and 45.

A third technical means of the present invention is a receiving planar antenna device in which an antenna element 11 is integrally provided on an outer wall member 51, and a waterproof sheet 53 and an inner wall member 52 inside the outer wall member 51. The feed point 18 of the antenna element 11
Insertion holes 44 and 45 are provided corresponding to
A cable 32 for connecting the antenna element 11 to the receiver side is inserted into the antennas 4 and 45 and wired inside the building, and a sealing material 36 is provided on the antenna element 11 side, and a feeding point 18 is provided.
It is provided so as to surround the periphery of and to project toward the opening edge portions of the insertion holes 44 and 45.

A fourth technical means of the present invention is to provide a receiving planar antenna device in which the antenna element 11 is integrally provided on an exterior building material, and to feed the antenna element 11 to the building material inside the exterior building material. An insertion hole is provided corresponding to the point 18, and a cable 32 for connecting the feeding point 18 of the antenna element 11 to the receiver side is inserted through the insertion hole and wired in the building to make the inside of the exterior building material. On the other side of the building material, a sealing material 36 is provided so as to project from the opening edge of the insertion hole toward the antenna element 11 and surround the periphery of the feeding point 18.

A fifth technical means of the present invention is a planar antenna device for reception in which an antenna element 11 is integrally provided on a roof material 39, and a waterproof sheet 42 and a field board 41 below the roof material 39. , The feeding point 18 of the antenna element 11
The insertion hole 4445 is provided corresponding to
5, a cable 32 for connecting the antenna element 11 to the receiver side is inserted and wired in the building, and a sealing material 36 is provided on the waterproof sheet 42 or the base plate 41 side and an opening edge of the insertion hole 4445. It is provided so as to project from the portion toward the antenna element 11 and surround the periphery of the feeding point 18.

A sixth technical means of the present invention is a receiving planar antenna device in which an antenna element 11 is integrally provided on an outer wall member 51, and a waterproof sheet 53 and an inner wall member 52 inside the outer wall member 51. The feed point 18 of the antenna element 11
The insertion hole 4445 is provided corresponding to
5, a cable 32 for connecting the antenna element 11 to the receiver side is inserted and wired in the building, and a sealing material 36 is provided on the waterproof sheet 53 inside the outer wall material 51 or the inner wall material 52 side. It is provided so as to project from the opening edge portion of the insertion hole 4445 toward the antenna element 11 and surround the periphery of the feeding point 18.

Therefore, the coaxial cable 32 connected to the antenna element 11 is inserted into the waterproof sheet 42 and the base plate 41 or the waterproof sheet 51 and the inner wall member 52 through holes 44 and 45.
You can insert it into the building and immediately wire it inside the building. Therefore, it is not necessary to wire the coaxial cable 32 along the roof surface, the wall surface, etc., as in the conventional case. After the installation of the antenna device, the sealing material 36 is brought into close contact with the opening edge of the insertion hole and the periphery of the feeding point 18 of the antenna element 11, and the insertion holes 44 and 45 also protect the roof, the outer wall, and the like from water. There is no fear of damage.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below with reference to the illustrated embodiments. 2 to 5, reference numeral 11 denotes a TV receiving antenna element, which is arranged between two antenna sheets 12 made of a plastic film. That is, the antenna element 11 is formed by applying a conductive paint or pasting a conductor such as a conductive tape on the surface of the one antenna sheet 12, and sandwiching the antenna element 11 in the one antenna sheet 12 in a sandwich shape. Thus, the other antenna sheet 12 is polymerized, and the antenna sheets 12 are adhered to each other with an adhesive.

The antenna element 11 has a pair of side portions 15, another side portion 16 and a pair of power feeding side portions 17 protruding inward from one end of the pair of side portions 15. A pair of power supply sides 17
A pair of feeding points 18 are installed at opposite ends of the. A bent portion 21 is interposed between the pair of side portions 15 of the antenna element 11. The bent portion 21 has a characteristic similar to a linear side portion obtained by linearly extending the bent portion 21, and can be replaced with a long straight side portion of the antenna element 11. Therefore, by interposing the bent portion 21 between the pair of side portions 15, the pair of opposing side portions 15 of the antenna element 11 is formed to be short, so that the entire size of the antenna element 11 can be reduced to the size of a unit building material such as a roof material. It is possible to shorten the length and integrate the antenna element 11 with a unit building material such as a roof material.

A feeding box 23 made of plastic or the like is provided at the feeding point 18 of the antenna sheet 12 as shown in FIG.
Is attached to the feeding point 18 of the antenna sheet 12 so as to project downward by sandwiching the pair of antenna sheets 12 between the flange 24 of the feeding box 23 and the lid member 25.

An insertion hole 27 is provided at the bottom of the power supply box 23, a screw shaft 28 is inserted into the insertion hole 27, and nuts 29 and 30 screwed onto the screw shaft 28 are used to form the screw shaft 2.
8 is fastened and fixed to the bottom of the feeding box 23. The screw shaft 28 is attached to the connector 33 of the coaxial cable 32.
By detachably attaching the pair of feeding points 18 of the antenna element 1 to the transformer 3 in the feeding box 23.
5 and the screw shaft 28 is connected to the coaxial cable 32 through an electric wire fitted inside. Coaxial cable 32
Is for connecting the antenna element 11 to the receiver side.

A cylindrical seal member 36 is provided on the antenna sheet 12 so as to surround the feed point 18 and project toward the opening edges of the insertion holes 44 and 45. The sealing material 36 is formed of a foam material, a cushion material or the like to have a thickness of about 7 to 15 mm, is arranged on the outer periphery of the power feeding box 23, and is bonded to the antenna sheet 12.

The antenna element 11, the two antenna sheets 12, the feeding box 23 and the like constitute an antenna main body 37, and the antenna main body 37 is provided with an adhesive or an adhesive through one antenna sheet 12 as shown in FIG. It is attached to the lower surface of the roofing material 39 with a double-sided adhesive tape 38 or the like, whereby the antenna element 11 is integrally incorporated in the roofing material 39 which is an exterior building material.

As shown in FIG. 1, the antenna element 11
The roofing material 39 integrally provided with is disposed together with the other roofing materials 39 on the base plate 41 of the roof via the waterproof sheet 42. Insertion holes 44 and 45 for inserting the coaxial cable 32 are provided at positions corresponding to the feeding points 18 of the antenna element 11 of the waterproof sheet 42 and the field plate 41, respectively. The insertion holes 44 and 45 are located at positions corresponding to the feeding point 18 and the feeding box 23 of the antenna element 11, and the sealing material 36 is in close contact with the opening edge portion of the insertion hole 44 of the waterproof sheet 42. The coaxial cable 32 connected to the antenna element 11 is inserted into the insertion holes 44 and 45, wired inside the building, and connected to the receiver.

7 and 8 show other embodiments, respectively. FIG. 7 shows the sealing material 36 formed in a triangular cylindrical shape, and FIG. 8 shows the sealing material 36 formed in a quadrangular cylindrical shape. It is a thing. Other points are the same as those of the above-described embodiment. FIG. 9 shows another embodiment. As in the case of the above-mentioned embodiment, the antenna body 37 composed of the antenna element 11, the two antenna sheets 12, the feeding box 23 and the like is an adhesive or a double-sided adhesive tape. It is attached to the inner surface of the outer wall material 51 by 38 or the like, whereby the antenna element 11 is integrally incorporated in the outer wall material 51 which is an exterior building material.

The outer wall member 51 integrally provided with the antenna element 11 is used together with other outer wall members 51 in the inner wall member 5 of the building.
A waterproof sheet 53 is provided on the outer side of 2, and is provided between the outer wall member 51 and the inner wall member 52. Insertion holes 44 and 45 for inserting the coaxial cable 32 are provided at positions of the waterproof sheet 53 and the inner wall member 52 corresponding to the feeding point 18 of the antenna element 11, respectively.
The coaxial cable 32 connected to is inserted into the insertion holes 44 and 45, is wired in the building, and is connected to the receiver. In the antenna sheet 12, a cylindrical seal member 36 surrounds the feeding point 18 and surrounds the insertion hole 4.
It is provided so as to project toward the opening edge portions of 4, 45. The sealing material 36 is formed of a foam material, a cushion material or the like to have a thickness of about 7 to 15 mm, is arranged on the outer periphery of the power feeding box 23, and is bonded to the antenna sheet 12. The insertion holes 44 and 45 are located at positions corresponding to the feeding point 18 and the feeding box 23 of the antenna element 11,
The sealing material 36 is in close contact with the opening edge of the insertion hole 44 of the waterproof sheet 42. Incidentally, 55 is a furring strip arranged in the vertical direction.

In the above embodiment, the sealing material 36 is provided on the antenna element 11 side so as to surround the feeding point 18 and project toward the opening edge portions of the insertion holes 44 and 45. However, instead of this, for example, in FIG.
In the case of the embodiment shown in FIG. 6, the sealing material 36 is provided on the waterproof sheet 42 or the base plate 41 side, and the waterproof sheet 4 is provided.
It may be provided so as to surround the periphery of the feeding point 18 by projecting toward the antenna element 11 from the opening edge portions of the insertion holes 44 and 45 of the base plate 41. Further, in the case of the embodiment shown in FIG. 9, the sealing material 36 is provided on the inner side of the outer wall member 51 on the side of the waterproof sheet 53 or the inner wall member 52, and the insertion holes 44, 4 are provided.
It may be provided so as to project from the opening edge portion of 5 toward the antenna element 11 and surround the periphery of the feeding point 18. However, in the case where the sealing material 36 is provided on the antenna element 11 side, the sealing material 36 is brought into close contact with the opening edge portion of the insertion hole due to the installation of the antenna device, and the construction is not troublesome, which is reliable and simple. Although the waterproof effect can be obtained, the sealing material 36 is attached to the waterproof sheets 42, 51 and the base plate 41.
Alternatively, when provided on the inner wall member 52, it is necessary to provide the through holes 44 in the waterproof sheets 42, 51 and the like at the time of construction, and then attach the seal material 36 to the waterproof sheets 42, 51, etc.
Since dust and the like adhere to the waterproof sheets 42 and 51, the construction may be troublesome.

Further, in the above embodiment, the antenna element 11 is arranged between the two antenna sheets 12, and these are attached to the roof material 39 or the outer wall material 51, but instead of this, the roof material 39 or The antenna element 11 may be directly formed on the surface of the outer wall member 51 by applying a conductive paint or attaching a conductor such as a conductive tape.

[0024]

According to the present invention, the coaxial cable 32 connected to the antenna element 11 is inserted through the through holes 44 and 45 provided in the waterproof sheet 42 and the base plate 41 or the waterproof sheet 51 and the inner wall member 52, respectively. Since it is possible to immediately wire the inside of the building, it is not necessary to wire the coaxial cable along the building material such as the roofing material 39 unlike the prior art, and the coaxial cable 32 for connecting the antenna element 11 to the receiver side can be provided. Wiring can be simplified, and there is no fear of impairing the waterproofness of the roof and outer walls. In particular, the antenna element 11 is used as the roofing material 3
In the case of being incorporated in 9, it is not necessary to run the coaxial cable 5 along the roof surface, and it is possible to prevent the cracking of the roof material 39 or the like and effectively prevent the damage of the building material such as the roof material 39 or the like.

Moreover, since the sealing material 36 is provided on the antenna element 11 side so as to surround the periphery of the feeding point 18, the waterproof sheet 42 and the base plate 41 or the waterproof sheet 51 and the inner wall member 52 have the insertion holes 44. , 45, the sealing member 36 is adhered between the opening edge of the insertion hole and the periphery of the feeding point 18 after the antenna device is installed. There is no fear of impairing the waterproofness of the outer wall or the like, and a more reliable waterproofing effect can be obtained.

Further, a sealing material 36 is provided on the antenna element 11 side.
When the antenna device is provided, the sealing material 36 is brought into close contact with the opening edge portion of the insertion hole by the installation of the antenna device, and the waterproof effect can be obtained reliably and easily without troublesome construction.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing an embodiment of the present invention.

FIG. 2 is a rear view of the antenna device.

FIG. 3 is a side view of the antenna device.

FIG. 4 is a rear view of the antenna element and the antenna sheet.

FIG. 5 is a sectional view of the antenna body.

FIG. 6 is a sectional view of a power feeding box portion of the antenna body.

FIG. 7 is a rear view of an antenna device showing another embodiment.

FIG. 8 is a rear view of an antenna device showing another embodiment.

FIG. 9 is a side sectional view showing another embodiment.

FIG. 10 is a side sectional view showing a conventional example.

FIG. 11 is a side sectional view showing another conventional example.

[Explanation of symbols]

 11 Antenna Element 32 Coaxial Cable 36 Sealing Material 39a Roofing Material 42 Waterproof Sheet 41 Field Board 44 Insertion Hole 45 Insertion Hole 51a Outer Wall Material 52 Inner Wall Material

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kensuke Ishida 1-247 Shikitsuhigashi, Naniwa-ku, Osaka-shi, Osaka Kubota Corporation

Claims (6)

[Claims] 1. A planar antenna device for reception, wherein an antenna element (11) is integrally provided on an exterior building material, wherein the antenna element (11) is provided on a building material inside the exterior building material.
Is provided with a through hole corresponding to the feeding point (18) of the building, and a cable (32) for connecting the feeding point (18) of the antenna element (11) to the receiver side is inserted through the insertion hole. A sealant (36) is provided on the antenna element (11) side so as to surround the feeding point (18) and project toward the opening edge of the insertion hole. A planar antenna device for reception, characterized by: 2. An antenna element (11) is a roofing material (39).
In the planar antenna device for reception integrally provided in the above, in the waterproof sheet (42) and the ground plate (41) below the roof material (39), the feeding point (1) of the antenna element (11) is provided.
8) Corresponding to 8), through holes (44) (45) are provided, and a cable (32) for connecting the antenna element (11) to the receiver side is inserted through the through holes (44) (45). Wiring inside the building, and on the side of the antenna element (11),
A receiving surface shape characterized in that a sealing material (36) is provided so as to surround the power feeding point (18) and project toward the opening edge portions of the insertion holes (44) (45). Antenna device. 3. The antenna element (11) is an outer wall material (51).
In the planar antenna device for reception, which is integrally provided to the antenna, the waterproof sheet (53) and the inner wall material (52) inside the outer wall material (51) are connected to the feeding point (1) of the antenna element (11).
8) Corresponding to 8), insertion holes (44) (45) are provided, and a cable (32) for connecting the antenna element (11) to the receiver side is inserted into the insertion holes (44) (45). Wiring inside the building, and on the side of the antenna element (11),
A surface area for reception, characterized in that a sealing material (36) is provided so as to surround the periphery of the feeding point (18) and project toward the opening edge of the insertion holes (44) (45). Antenna device. 4. A receiving planar antenna device in which an antenna element (11) is integrally provided on an exterior building material, wherein the antenna element (11) is provided on a building material inside the exterior building material.
Is provided with a through hole corresponding to the feeding point (18) of the building, and a cable (32) for connecting the feeding point (18) of the antenna element (11) to the receiver side is inserted through the insertion hole. A sealing material (36) is wired inside and extends toward the inside of the exterior building material toward the antenna element (11) from the opening edge of the insertion hole and around the feeding point (18). A planar antenna device for reception, which is provided so as to surround the antenna. 5. The antenna element (11) is a roofing material (39).
In the planar antenna device for reception integrally provided in the above, in the waterproof sheet (42) and the ground plate (41) below the roof material (39), the feeding point (1) of the antenna element (11) is provided.
8) Corresponding to 8), through holes (44) (45) are provided, and a cable (32) for connecting the antenna element (11) to the receiver side is inserted through the through holes (44) (45). Wiring in the building, and the sealing material (36) is provided on the side of the waterproof sheet (42) or the base plate (41).
4) A receiving planar antenna device, which is provided so as to project from the opening edge portion of (45) toward the antenna element (11) and surround the periphery of the feeding point (18). 6. The antenna element (11) is an outer wall material (51).
In the planar antenna device for reception provided integrally with the antenna, the waterproof sheet (53) and the inner wall material (52) inside the outer wall material (51) are connected to the feeding point (1) of the antenna element (11).
8) Corresponding to 8), through holes (44) (45) are provided, and a cable (32) for connecting the antenna element (11) to the receiver side is inserted through the through holes (44) (45). The inside of the outer wall material (51) and the sealing material (3) is provided on the inner side of the waterproof sheet (53) or the inner wall material (52).
6) is provided so as to project from the opening edge portions of the insertion holes (44) and (45) toward the antenna element (11) and surround the feeding point (18). Planar antenna device.