JP2022048668A - Antenna device - Google Patents

Abstract

To provide an antenna device that can easily install a sensor in a building.SOLUTION: A plurality of sensors for detecting environmental information is provided inside and outside a sensor unit cover 13 mounted on an antenna cover 10. The plurality of sensors is an illuminance sensor, an ultraviolet sensor, a temperature sensor, a humidity sensor, a pressure sensor, a rainfall sensor, etc., and a transmitter that collects the environmental information detected by the plurality of sensors and transmits collected environmental information signals, and storage means for storing the power supplied from a solar panel 30 and operating the sensor and the transmitter are built in the sensor unit cover 13.SELECTED DRAWING: Figure 1

Description

The present invention relates to an antenna device including a sensor capable of detecting environmental information.

A measurement system in a conventional environmental information collection system is disclosed in Patent Document 1, and a functional block diagram showing a configuration of the conventional measurement system 100 in Patent Document 1 is shown in FIG.
The conventional measurement system 100 shown in FIG. 7 includes a private branch exchange 130 in which a plurality of telephones 110 are connected via a telephone line, and collects environmental information around each telephone 110. The collected environmental information is sent from each telephone 110 to the private branch exchange 130 via the telephone line, and the private branch exchange 130 sends the collected environmental information to the monitoring center 140. Specifically, the wireless reception unit (RX) 113 of each telephone 110 can receive the signal of the environmental information transmitted from the wireless transmission unit (TX) 112, and the TX 112 contains, for example, a temperature sensor or a humidity sensor. Sensor S is built-in. Environmental information signals of temperature and humidity detected by each sensor S are transmitted from each TX 112, received by RX 113 of each telephone 110, and the received environmental information signal is sent to the monitoring center 140 via the private branch exchange 130. It will be sent to collect environmental information at the monitoring center 140.
The TX 112 has a built-in power supply and is placed in a circle having a radius of 2 to 3 m centered on the telephone 110, so that the transmission power of the TX 112 is extremely small.

Japanese Unexamined Patent Publication No. 2-257794

In recent years, as the number of disasters caused by torrential rains has increased, it is necessary to forecast the weather using more detailed environmental information. Therefore, it is required to install many environmental observation sensors in a precise and wide area to obtain information on the surrounding environment. In order to install many sensors for environmental observation in a precise and wide area and obtain information on the surrounding environment, it is necessary to prepare a suitable place for mounting the sensors and to prepare and install a large number of sensor devices.
In the measurement system of the conventional environmental information collection system, in order to install many sensors for environmental observation in a precise and wide area, a large number of wireless transmission units with built-in sensors are prepared and installed in a predetermined place, and wireless reception is performed. There is a problem that it is necessary to prepare a large number of telephones equipped with a unit, which requires a large cost. Further, since the wireless transmission unit must be installed at a position 2 to 3 m from the telephone equipped with the wireless reception unit and it is difficult to install the telephone outdoors, the wireless transmission unit is installed at a predetermined place. There was also the problem that it might not be possible.

In order to be able to install many environmental observation sensors in a wide area, it is sufficient to install environmental observation sensors in the building. Therefore, an object of the present invention is to provide an antenna device capable of easily installing a sensor in a building, paying attention to the fact that the antenna device is installed in a building in a wide area.

The antenna device according to the present invention includes an antenna, one or more sensors for detecting environmental information, a transmitter for collecting environmental information detected by the sensors and transmitting the collected environmental information signal, and an environmental power generation means. The most important feature is that it has a power storage means for storing power supplied from the power storage means, and is provided with a power supply means capable of operating the sensor and the transmitter by the power supply supplied from the power storage means.
The antenna device according to the present invention has a vertically long box-shaped resin antenna cover with a built-in antenna, a resin sensor part cover attached to the antenna cover, and a sensor part cover built into the sensor part cover. One or more sensors for detecting environmental information, a transmitter built in the sensor section cover, collecting environmental information detected by the sensor and transmitting the collected environmental information signal, and built-in in the sensor section cover. The most important thing is to have a power storage means for storing power supplied from the energy harvesting means, and to include a power supply means capable of operating the sensor and the transmitter by the power supply supplied from the power storage means. It is a feature.
Further, in the antenna device according to the present invention, the antenna is an antenna having a reflecting plate, the reflecting plate is arranged on the back surface side of the antenna cover, and the sensor portion cover is from the upper surface to the back surface of the antenna cover. The plurality of sensors are mounted so as not to affect the operation of the antenna.
Further, in the antenna device according to the present invention, the antenna is composed of a first antenna arranged from the center to the upper part of the antenna cover and a second antenna arranged from the center to the lower part of the antenna cover. A solar panel as an energy harvesting means is mounted substantially in the center of the front surface of the antenna cover so that the solar panel does not affect the operation of the antenna.
Furthermore, in the antenna device according to the present invention, a connector for outputting a television signal received by the antenna is attached to the antenna cover, and the power supplied via the connector is stored in the power storage means. I have to.
Furthermore, in the antenna device according to the present invention, a connector for outputting a television signal received by the antenna is attached to the antenna cover, and the sensor and the transmitter are supplied by a power supply supplied through the connector. Is made to work.
Furthermore, in the antenna device according to the present invention, the sensor unit cover includes an illuminance sensor, an ultraviolet sensor, a temperature sensor, a humidity sensor, and a barometric pressure sensor, and a rainfall sensor is mounted on the upper portion.

Since the antenna device of the present invention is installed in a building in a wide area and has a sensor capable of detecting environmental information, many sensors for environmental observation can be widely used in a wide area.

It is a perspective view which showed the structure of the antenna device of the Example of this invention, and was seen from the front direction. It is a perspective view which showed the structure of the antenna device of the Example of this invention, and was seen from the back side. It is a perspective view which shows the configuration of a part of the back surface in the antenna device of the Example of this invention in an enlarged manner. It is an exploded view which shows the structure of the antenna device of the Example of this invention by the perspective view. It is a functional block diagram which shows the electric structure of the antenna device of the Example of this invention. It is a figure which shows the application example of the antenna device of the Example of this invention. It is a functional block diagram which shows the structure of the measurement system in the conventional environmental information collection system.

<Example>
The configuration of the antenna device 1 according to the embodiment of the present invention is shown in FIGS. 1 to 4. FIG. 1 is a perspective view showing the configuration of the antenna device 1 of the embodiment from the front direction, FIG. 2 is a perspective view seen from the rear direction, and FIG. 3 is an enlarged perspective view showing a partial configuration of the back surface. 4 is an exploded view shown in a perspective view.
The antenna device 1 of the embodiment shown in these figures includes a resin antenna cover 10 in which an antenna and a sensor are built, and the antenna cover 10 is made of a vertically long box-shaped resin having an opening surface on the back surface. The front cover 11 is composed of a vertically long box-shaped rear cover 12 having an opening surface on the front surface. In this case, the opening surface of the rear cover 12 is fitted to the opening surface of the front cover 11 so as to close the opening surface of the front cover 11, and the watertight antenna cover has a vertically long rectangular parallelepiped shape that is thinner than the width. 10 is configured.

As shown in FIG. 1, the front surface of the front cover 11 projects forward in a chevron shape with a triangular cross section, and the solar panel 30 is mounted substantially in the center thereof. Further, a resin sensor portion cover 13 is attached from the upper surface to the back surface of the rear cover 12. The sensor unit cover 13 also constitutes the antenna cover 10, and the upper portion of the sensor unit cover 13 mounted on the rear surface cover 12 projects upward in a chevron shape with a triangular cross section, and the first is on the inner surface on the front side of the chevron shape. The sensor substrate 20 is fixed. An illuminance sensor and an ultraviolet sensor are mounted on the first sensor board 20.
As shown in FIG. 2, the back plate of the sensor unit cover 13 is formed so as to be an inclined surface in which the thickness of the sensor unit cover 13 increases as it goes down, and the depth below the upper part of the sensor unit cover 13 is larger than the depth of the upper part. Widely formed. Further, as shown in FIG. 4, a first power supply board 22 and a second sensor board 21 are built in the sensor unit cover 13. A temperature sensor and a humidity sensor are mounted on the second sensor board 21. In this case, the barometric pressure sensor may be further mounted on the second sensor board 21. Further, the rainfall sensor 24 is mounted on the outer surface of the upper part of the sensor unit cover 13. Further, on the first power supply board 22, a secondary battery, a supercapacitor, or the like that operates various sensors and also operates a transmitter for collecting and transmitting the collected environmental information signals detected by the various sensors. The power storage element and the transmitter are mounted. A transmitting antenna 25 that radiates a transmission signal from the transmitter is mounted on the inner surface of the side surface of the sensor unit cover 13. Furthermore, each sensor is provided with a temperature sensor that detects the temperature and a voltage sensor that detects the voltage of the power storage element, and the temperature information from the temperature sensor and the voltage information from the voltage sensor are used as environmental information. It is transmitted from the transmitter.
An antenna mounting portion 14 for fixing the mounting bracket for mounting the antenna device 1 is formed in the lower part of the back surface of the rear cover 12.

As shown in FIG. 3, on the lower surface of the sensor unit cover 13, for example, an F-type connector 15 for transmitting a received signal received by the built-in antenna is provided. Further, a plurality of ventilation holes 13a are formed on the lower surface of the sensor unit cover 13 so that the outside air comes into contact with the temperature sensor mounted on the second sensor board 21 and the humidity sensor or the barometric pressure sensor.
As shown in FIG. 4, the antenna built in the antenna cover 10 is an element 31a as two dipole antennas printed on one surface of a first antenna board 31 having good high frequency characteristics such as a glass epoxy board. It is composed of a pattern and a pattern of an element 32a as two dipole antennas printed on one surface of a second antenna substrate 32 having good high frequency characteristics such as a glass epoxy substrate. The antenna composed of the element 31a and the element 32a functions as a receiving antenna for terrestrial digital television broadcasting. The first antenna board 31 is arranged from the central part to the upper part in the antenna cover 10, and the second antenna board 32 is arranged from the central part to the lower part and is built in the antenna cover 10.

The tips of two elongated metal connection pieces 31b are electrically connected to the feeding points of the element 31a, and the tips of the two elongated metal connecting pieces 32b are electrically connected to the feeding points of the element 32a. Are connected to each other. The other end of the two connection pieces 31b and the other end of the two connection pieces 32b are electrically connected to the second power supply board 23 arranged substantially in the center of the antenna cover 10. The second power supply board 23 is provided with a synthesizer that synthesizes the TV signal received by the element 31a and the TV signal received by the element 32a, and the output of the synthesizer is derived from the second power supply board 23. A line such as a coaxial cable (not shown) is transmitted and output from the connector 15. A coaxial plug fixed to one end of the coaxial cable is attached to the connector 15, and the coaxial plug fixed to the other end of the coaxial cable is attached to the connector of the tuner or the television receiver. As a result, the tuner and the television receiver can receive the terrestrial digital broadcast received by the antenna device 1. When a DC power supply for operating an external device such as a BS / CS antenna or a booster is output from the tuner or the TV receiver, the DC power supply is supplied to the second power supply board 23 via the connector 15, and the DC power supply is supplied. Is supplied from the second power supply board 23 to the first power supply board 22. The DC power supply supplied to the first power supply board 22 charges the power storage element to operate various sensors, and at the same time, it becomes possible to operate a transmitter for transmitting signals of environmental information detected by the various sensors. .. The various sensors and transmitters may be directly operated by the DC power supply supplied to the first power supply board 22.
When the second power supply board 23 is provided with a booster that amplifies the reception signal of the terrestrial digital television broadcast, the DC power supply is also supplied to the booster as a power source for operation.

Further, the first ground plate 33 is arranged so as to face the back surface of the first antenna board 31 with a predetermined interval, and the second ground plate 34 is arranged so as to face the back surface of the second antenna substrate 32. Has been done. The first gland plate 33 and the second gland plate 34 also function as reflectors for the element 31a and the element 32a. Therefore, even if the second sensor board 21 and the first power supply board 22 are provided on the back side of the first ground plate 33 and the second ground plate 34, the operation of the antenna is not affected.
A large number of bosses having a substantially circular cross section projecting forward are formed inside the back plate of the rear cover 12, and the first antenna board 31, the second antenna board 32, the second power supply board 23, and the first The gland plate 33 and the second gland plate 34 are fixed to the inside of the rear cover 12 by screwing the screws inserted into the respective screw holes to the predetermined bosses.
A rectangular mounting hole is formed in a substantially central portion on the front surface of the front cover 11, and a solar panel 30 which is a kind of energy harvesting means is mounted in this mounting hole. The electric power generated by the solar panel 30 is supplied to the first power supply board 22 to charge the power storage element, whereby various sensors can be operated and a transmitter for transmitting signals of environmental information detected by the various sensors. Will be able to operate.

Next, FIG. 5 shows a functional block diagram showing the electrical configuration of the antenna device 1 according to the embodiment of the present invention.
As shown in FIG. 5, the antenna device 1 of the embodiment includes a television broadcast receiving antenna 40, and the television broadcasting receiving antenna 40 is formed on the element 31a formed on the first antenna substrate 31 and the second antenna substrate 32. It is composed of the element 32a and the element 32a. Further, it includes a solar panel 30, a power storage element 26, a sensor 27, a transmitter 28, and a transmission antenna 25. As described above, the electric power generated by the solar panel 30 is supplied to the first power supply board 22 to charge the power storage element 26, whereby the power storage element 26 can operate various sensors 27 and various sensors 27. The transmitter 28 for transmitting the signal of the environmental information detected by the transmitter 28 can be operated, and the transmission signal from the transmitter 28 is radiated from the transmission antenna 25. The environmental information signal transmitted from the transmitting antenna 25 is received at a monitoring center (not shown). The transmitter 25 can be a Wi-Fi (registered trademark) transmitter, and can send a signal of environmental information to the monitoring center using an Internet line via a router.
Further, the antenna device 1 includes a connector 15 that outputs a television signal received by the television broadcast receiving antenna 40, and the connector 15 is equipped with a coaxial cable connected to a tuner or a television receiver. When a DC power source for operating an external device is output from the tuner or the television receiver, the DC power source is supplied to the antenna device 1 via the connector 15, and the power storage element 26 is charged by the DC power source. As a result, the power storage element 26 can operate various sensors 27, and can also operate the transmitter 28 for transmitting the signal of the environmental information detected by the various sensors 27, and the transmission signal from the transmitter 28 can be operated. Will be emitted from the transmitting antenna 25. The sensor 27 may be a sensor capable of detecting environmental information such as an illuminance sensor and an ultraviolet sensor, a temperature sensor and a humidity sensor, a pressure sensor, and a rainfall sensor 24, and the sensor 27 may be a sensor capable of detecting other environmental information. ..

Next, FIG. 6 shows a diagram showing an application example of the antenna device 1 according to the embodiment of the present invention. Generally, an antenna device capable of receiving terrestrial digital television broadcasting is installed in a house, and the antenna device 1 of the embodiment of the present invention is applied as an antenna device for receiving terrestrial digital television broadcasting. Can be done. As a result, as shown in FIG. 6, the antenna device 1 according to the embodiment of the present invention is installed in each house. Since the antenna device 1 of the embodiment is equipped with various sensors for detecting environmental information as described above, many sensors for environmental observation can be installed in a wide area. Then, by receiving the signal of the environmental information transmitted from the antenna device 1 of the embodiment by the monitoring center (not shown), the monitoring center can collect the environmental information from a wide area, and the collected environmental information is utilized. You will be able to predict the weather. As described above, the antenna device 1 can be equipped with a Wi-Fi transmitter, and signals environmental information to the monitoring center via an internet line via a router in the house where the antenna device 1 is installed. Can be sent.

The antenna device according to the present invention includes a sensor capable of detecting environmental information, and is installed at a desired position for receiving a television broadcast signal. As a result, the antenna device according to the present invention can be installed in a building in a wide area, and a large number of sensors for environmental observation can be widely used in a wide area.
The antenna device according to the present invention described above is equipped with an illuminance sensor, an ultraviolet sensor, a temperature sensor, a humidity sensor, a pressure pressure sensor, and a rainfall sensor as sensors for detecting environmental information, but the present invention is not limited to this. It may be equipped with another sensor that detects. The antenna device according to the present invention may be equipped with one or more sensors. Further, in the antenna device according to the present invention, many sensors are built in the sensor section cover of the antenna cover, but it is not necessary to incorporate the sensor in the sensor section cover, and the sensor is provided on the outer surface of the antenna cover. You may do it. In this case, the sensor unit cover may be omitted.

1 Antenna device, 10 Antenna cover, 11 Front cover, 12 Rear cover, 13 Sensor part cover, 13a Vent, 14 Antenna mounting part, 15 Connector, 20 1st sensor board, 21 2nd sensor board, 22 1st power supply board , 23 2nd power supply board, 24 rainfall sensor, 25 transmitting antenna, 26 power storage element, 27 sensor, 28 transmitter, 30 solar panel, 31 1st antenna board, 31a element, 31b connection piece, 32 2nd antenna board, 32a Element, 32b connection piece, 33 1st ground plate, 34 2nd ground plate, 40 TV broadcast receiving antenna, 100 measuring system, 110 telephone, 112 wireless transmitting unit, 113 wireless receiving unit, 130 premises switch, 140 monitoring center

Claims (7)

With the antenna
One or more sensors that detect environmental information,
A transmitter that collects environmental information detected by the sensor and transmits the collected environmental information signal.
A power supply means having a power storage means for storing power supplied from the energy harvesting means and capable of operating the sensor and the transmitter by the power supply supplied from the power storage means.
An antenna device characterized by being provided with. A vertically long box-shaped resin antenna cover with a built-in antenna,
The resin sensor cover attached to the antenna cover and
One or more sensors that detect environmental information built into the sensor cover,
A transmitter built in the sensor unit cover, which collects environmental information detected by the sensor and transmits the collected environmental information signal.
A power supply means built in the sensor unit cover, having a power storage means for storing power supplied from the energy harvesting means, and capable of operating the sensor and the transmitter by the power supply supplied from the power storage means.
An antenna device characterized by being provided with. The antenna is an antenna having a reflector, and the reflector is arranged on the back side of the antenna cover.
The antenna device according to claim 2, wherein the sensor unit cover is attached from the upper surface to the back surface of the antenna cover, and the plurality of sensors do not affect the operation of the antenna. The antenna is composed of a first antenna arranged from the center to the upper part of the antenna cover and a second antenna arranged from the center to the lower part of the antenna cover.
The antenna according to claim 2 or 3, wherein the solar panel as the energy harvesting means is mounted substantially in the center of the front surface of the antenna cover, and the solar panel does not affect the operation of the antenna. Device. 7. The antenna device described in the cover. 2. The antenna device according to any one of 4. 2. Antenna device.

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