JPH084213A - Roof material and roof structure - Google Patents

Abstract

(57) [Abstract] [Purpose] To prevent rainwater from adhering to the connector side of the antenna element and causing radio interference, or to prevent rainwater from entering the roof side through the feeder line from the connector section. To [Structure] The roofing material main body 5 is provided with antenna elements 6 and 7 which constitute a radiation element of a dipole antenna,
A connector portion 8 for connecting the antenna elements 6 and 7 to the receiver side is provided on the top side of the roofing material body 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof material and a roof structure incorporating an antenna element.

[0002]

2. Description of the Related Art In order to realize a receiving antenna device which is less likely to be damaged by snow, a planar antenna device that can be installed under the eaves has been proposed. If it is installed exposed to the outside, the planar antenna device may damage the appearance of the building such as a house, and the planar antenna device may be damaged or damaged by external factors such as wind and rain. There is also a great risk of causing radio interference. Therefore, in order to prevent damage to the appearance of the building and damage or radio interference due to external factors such as wind and rain, a roofing material that incorporates an antenna element in the roofing material body is recommended. It is considered to be used.

[0003]

However, if the antenna element is simply provided on the roofing material main body and the antenna element is connected to the receiver side via the feeder line from the antenna element connector portion, rainwater will not flow to the antenna element connector portion side. However, there is a risk that radio waves will be interfered with by the adhesion of rainwater or the like, or that rainwater or the like will enter the inside of the roof from the connector through the power supply line.

In view of the above problems, the present invention has a risk that rainwater or the like may adhere to the connector side of the antenna element to cause radio interference, or rainwater or the like may enter the inside of the roof through the feeder line from the connector part. There is no such thing.

[0005]

A first technical means of the present invention for solving this technical problem is to provide a roofing material main body with:
An antenna element that constitutes a radiation element of a dipole antenna is provided, and a connector portion for connecting the antenna element to the receiver side is provided on the top side of the roofing material main body.

A second technical means of the present invention is to provide a roof material main body with a high-frequency antenna element and a low-frequency antenna element which constitute a radiation element of a dipole antenna. A connector portion for connecting the antenna element for use with the receiver side is provided on the top side of the roofing material main body. A third technical means of the present invention is that a roofing material main body is provided with an antenna element that constitutes a radiation element of a dipole antenna, and a connector portion for connecting the antenna element to a receiver side is a top side of the roofing material main body. A roofing material provided on the roofing material, a roofing material having a waveguide element antenna element provided on the roofing material body, and a roofing material having a reflection element antenna element provided on the roofing material body. It is in.

A fourth technical means of the present invention is that the roofing material main body is provided with an antenna element constituting a radiation element of a dipole antenna, and a connector portion for connecting the antenna element to a receiver side is a roofing material main body. A roofing material provided on the top side of the roofing material, a roofing material having a roofing element body provided with an antenna element for a waveguide element, and a roofing material having a roofing material body provided with an antenna element for a reflecting element. The point is that these roofing materials are arranged so that the direction of the antenna is directed to the direction of arrival of radio waves.

[0008]

When the roofing materials 4a, 4b, 4c are arranged, as shown in FIG. 6, FIG. 8 or FIG.
The roof member 4a, the antenna element 13 for the waveguide element, the antenna elements 6 and 7 for the radiation element, and the antenna element 14 for the reflective element are arranged in this order toward Ha.
4b and 4c may be arranged. At this time, the connector portions 8 of the antenna elements 6 and 7 can be positioned below the roof material 4 on the upper side to protect the roof material 4 on the upper side from rainwater and the like. Then, a radio wave such as a TV broadcast wave is guided by the antenna element 13 for the waveguide element toward the antenna elements 6, 7 for the radiation element, and the antenna element 6 for the radiation element is provided by the antenna element 14 for the reflection element. , 7 and can be efficiently received by the antenna elements 6 and 7 for the radiation element, and the direction of the antenna is the direction of arrival of the radio wave a.
The directivity of the antenna is also improved because it is suitable for B and C.

[0009]

The present invention will be described below with reference to the illustrated embodiments. In FIGS. 5 to 7, reference numeral 1 denotes a roof, and a large number of roof materials 4 are arranged on a base plate 2 of a building through a waterproof sheet 3. One of the many roofing materials 4 is a roofing material 4a,
As shown in FIGS. 1 and 2, antenna elements 6 and 7 are provided on the lower surface of the roofing material main body 5 by applying a conductive paint or attaching a conductive tape. The antenna elements 6 and 7 constitute a radiation element of a TV dipole antenna, and the antenna element 6 is for low frequency VHF (1 to 3 channels).
Is for high frequency of VHF (for 4 to 12 channels).
These antenna elements 6 and 7 are connected to each other by a connector portion 8, and the connector portion 8 is provided on the top side of the roofing material body 5. As shown in FIG. 7, a power supply line 11 is connected to the connector portion 8 via a connecting pin 9 and a connecting tool 10, and the antenna elements 6 and 7 are connected to the connecting pin 9 and the connecting tool 10.
It is designed to be connected to the receiver via.

[0010] The other roofing material 4 of the many roofing materials 4
As shown in FIG. 3 and FIG. 4, b is provided with the antenna element 13 for the waveguide element on the lower surface of the roofing material body 5 by applying a conductive paint or attaching a conductive tape. Further, as shown in FIGS. 3 and 4, the other roof member 4c of the many roof members 4 is coated with a conductive paint or a conductive tape on the lower surface of the roof member main body 5. The antenna element 14 for the reflective element is provided by attachment or the like. The antenna element 13 for the waveguide element
And the antenna element 14 for the reflecting element have the same configuration, and the roofing material 4b and the roofing material 4c have the same configuration.

As shown in FIG. 6, the roof members 4a, 4b and 4c are arranged so that the antenna element 13 for the waveguide element, the antenna elements 6 and 7 for the radiating element, and the reflecting element are provided in the direction of arrival of the radio wave. The antenna elements 14 are arranged on the base plate 2 so as to be lined up in this order, whereby the antenna elements 6, 7, 13, 14 constitute a TV dipole antenna, and the pointing direction of the antenna is set to the radio wave arrival direction a. It is facing you.

If the direction of arrival of the radio wave is the direction of arrow B shown in FIG. 8, as shown in the figure, the antenna element 13 for the waveguide element and the antenna element for the radiation element are directed toward the direction B of the radio wave. Roof members 4a, 4b, 4 are arranged so that 6, 7 and the antenna element 14 for the reflective element are arranged in this order.
c may be arranged. Further, if the radio wave arrival direction is the direction of the arrow C shown in FIG. 9, as shown in the figure, the antenna element 13 for the waveguide element is directed toward the radio wave arrival direction C,
The roof member 4 is arranged so that the antenna elements 6 and 7 for the radiation element and the antenna element 14 for the reflection element are arranged in this order.
It is sufficient to arrange a, 4b, and 4c.

In the above embodiment, the antenna elements 6,
Although 7, 13, 14 are provided on the lower surface of the roof material body 5, instead of this, the antenna elements 6, 7, 13, 14 are provided on the upper surface of the roof material body 5 or inside the roof material body 5. It may be incorporated.

[0014]

According to the present invention, the roof material main body is provided with an antenna element which constitutes a radiation element of a dipole antenna, and the connector portion for connecting the antenna element to the receiver side is provided on the roof material main body. Since it is provided on the top side, the connector part of the antenna element can be positioned below the roof material on the upper side to protect it from rainwater and the like by the roof material on the upper side. There is no possibility that rainwater or the like will adhere to the inner side of the roof to cause radio wave interference, or that rainwater or the like will propagate from the connector portion to the inside of the roof through the power supply line.

Further, since the high-frequency antenna element and the low-frequency antenna element forming the radiation element of the dipole antenna are provided on the roofing material main body, radio waves can be received with good performance regardless of the frequency. Further, a roofing material in which an antenna element that constitutes a radiation element of a dipole antenna is provided in the roofing material body, and a connector portion for connecting the antenna element to the receiver side is provided on the top side of the roofing material body, Since the roofing material in which the antenna element for the waveguide element is provided in the main body of the material and the roofing material in which the antenna element for the reflective element is provided in the main body of the roofing material are provided, only the antenna element that constitutes the radiating element Compared with the case of, the general gain of the received wave can be improved, and at the same time, the roofing material can be arranged so that the antenna directing direction is directed to the radio wave incoming direction, improving the directivity of the antenna. Therefore, it is possible to reduce the ghost image and effectively improve the reception performance.

[Brief description of drawings]

FIG. 1 is a rear view of a roofing material showing an embodiment of the present invention.

FIG. 2 is a side view of the roof material.

FIG. 3 is a rear view of the other roofing material.

FIG. 4 is a side view of the other roofing material.

FIG. 5 is a perspective view of the roof.

FIG. 6 is a plan view of the roof.

FIG. 7 is a sectional view of the roof.

FIG. 8 is a plan view of the roof.

FIG. 9 is a plan view of the roof.

[Explanation of symbols]

 1 roof 4 roofing material 5 roof body 6 antenna element 7 antenna element 8 connector part 13 antenna element 14 antenna element

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takahiro Mizoguchi 1-47 Shikitsu East, Naniwa-ku, Osaka City, Osaka Prefecture Kubota Co., Ltd. (72) Inventor Hiroshi Niimi Shiritsu-higashi, Naniwa-ku, Osaka 1-chome 2-47 Kubota Co., Ltd.

Claims (4)

[Claims] 1. A roofing material main body is provided with an antenna element which constitutes a radiation element of a dipole antenna, and a connector portion for connecting the antenna element to a receiver side,
A roofing material that is provided on the top side of the roofing material body. 2. A roofing material main body is provided with a high-frequency antenna element and a low-frequency antenna element that constitute a radiation element of a dipole antenna, and these high-frequency antenna element and low-frequency antenna element are provided on the receiver side. A roof material, wherein a connector portion for connection is provided on the top side of the roof material main body. 3. A roofing material in which an antenna element that constitutes a radiation element of a dipole antenna is provided on the roofing material body, and a connector portion for connecting the antenna element to the receiver side is provided on the top side of the roofing material body. And a roofing material having a roofing material main body provided with an antenna element for a waveguide element, and a roofing material having a roofing material main body provided with an antenna element for a reflecting element. . 4. A roofing material in which an antenna element that constitutes a radiation element of a dipole antenna is provided in the roofing material body, and a connector portion for connecting the antenna element to the receiver side is provided on the top side of the roofing material body. And a roofing material in which an antenna element for a waveguide element is provided in the roofing material body, and a roofing material in which an antenna element for a reflecting element is provided in the roofing material body. A roof structure characterized by being arranged so that the direction is the direction of arrival of radio waves.