JP2002154497A - Energy transmission protecting system of photovoltaic power generation sattelite - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a energy transmission protecting system of photovoltaic power generation stattelite capable of protecting a body from being irradiated by the energy beam by covering the circumference of the energy beam with the beam of electric wave and light. SOLUTION: A photovoltaic power generation panel 11 is loaded on a photovoltaic power generation satellite 10, the power generated by the power generation panel 11 is converted into the energy of microwave or laser light inside of the satellite 10, emitted toward the power receiving equipment 20 on the earth as the energy beam 30, and received by an energy receiving part 21 to be converted into the electric power. A warning signal generating part 3 is mounted around an energy emitting part 13 of the satellite 10 for emitting the warning signal beam 4 to the circumference of the energy beam 30 to form a beam film around the energy beam 30. The body such as an aircraft can be prevented from receiving the radiation by detecting the warning signal beam and converting the same into the warning signal.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photovoltaic power generation satellite energy transmission protection system, which protects an energy beam transmitted from a satellite to the ground by forming a film of radio waves, electromagnetic waves, light or laser light, Aircraft on energy beam,
This is a system to prevent the objects from approaching or touching.

[0002]

2. Description of the Related Art In recent years, satellites have been equipped with a large number of photovoltaic panels for obtaining electricity from sunlight using solar cells and condensing panels, and the generated power is emitted as an energy beam to power receiving facilities on the earth and received on the ground. A system for converting the energy beam into electric power to obtain electric power has been studied, and is attracting attention as a future power generation system.

FIG. 4 is a conceptual diagram of energy transmission by a photovoltaic power generation satellite. In the figure, a photovoltaic power generation satellite 10 is launched in the orbit of the earth and is stationary in a geosynchronous orbit. A large number of photovoltaic panels 11 are mounted, and the panels 11 receive sunlight to generate power.
The obtained electric power is converted into radio waves, laser light, and the like in the satellite, and is emitted from the energy emitting unit 13 toward the earth as an energy beam 30. The energy beam 30
It is a high-density beam having high directivity and is emitted toward the receiving equipment 20 on the ground so that the energy does not diverge to the surroundings. In the power receiving equipment on the ground, the energy beam 30 is received by the energy receiving unit 21. Things.

FIGS. 5A and 5B are general block diagrams of a photovoltaic power generation satellite system, wherein FIG. 5A is a photovoltaic satellite and FIG. 5B is an internal block diagram of a power receiving facility. As shown in (a),
A solar power generation panel 11 is mounted on the solar satellite 10, and electricity generated by the panel 11 is converted into a high-power microwave or laser beam by an energy conversion unit 12, and is transmitted from an energy emission unit 13 to the earth. Energy beam 30 towards
Fired as

[0005] In (b), the power receiving facility 20 on the earth receives the energy beam 3 transmitted from the solar satellite 10.
0 is received by the energy receiving unit 21, the radio wave or light energy is converted into electric power by the electric power converting unit 22, and the obtained electric power is stored in the electric power storage equipment 23, or a predetermined frequency and voltage are And the power is supplied from the power transmission facility 25 to various facilities.

[0006]

As described above, the photovoltaic satellite system currently under study is a system for transmitting energy from a satellite to the earth as a beam such as a microwave or a laser beam. Is a high energy density beam. Therefore, it is dangerous and must be avoided that the aircraft, the transportation on the ground, the human being, etc. receive or block the irradiation of the energy beam on the earth.

Therefore, according to the present invention, a protective film made of radio waves or light is formed around an energy beam sent from a solar power generation satellite at a predetermined interval, and the protective film is blocked by an object. An object of the present invention is to provide a photovoltaic satellite energy transmission protection system that can protect an object by notifying an object of the presence of an energy beam or generating an alarm.

[0008]

The present invention provides the following means (1) and (2) to solve the above-mentioned problems.

(1) A photovoltaic power generation panel or a light condensing panel is mounted, the electric power generated by the power generation or light condensing panel is converted into electromagnetic waves or light energy, and is transmitted from an energy emitting unit to an earth receiving facility as an energy beam. An energy transmission protection system for a photovoltaic power generation satellite that transmits and transmits the energy beam to the energy beam and receives the energy beam from the warning signal beam emission unit. Radio waves, electromagnetic waves, light,
Or emit a warning beam composed of laser light to form a protective film of radio waves, electromagnetic waves, light, or laser light, which can be used as a warning signal for an object in contact with or crossing the protective film. Solar power satellite energy transmission protection system.

(2) The protective film for radio waves, electromagnetic waves, light or laser light is a group of protective films consisting of a plurality of layers at predetermined intervals, and when an object contacts or crosses each protective film, Detects the level at which the object has crossed the protective film,
The solar power satellite energy transmission protection system according to (1), further comprising a function of notifying the object of an alarm-like signal.

In (1) of the present invention, an energy beam transmitted from a solar power generation satellite to a power receiving facility on the earth is a high-power electromagnetic wave such as a microwave or light such as a laser, and has a high energy density. It is dangerous to receive the beam and must be avoided. Therefore, in the present invention, an alarm beam is emitted by radio waves, electromagnetic waves, light, or laser light around an energy beam and a receiving facility that receives this beam on the earth, and the surroundings of the energy beam are protected by an electromagnetic wave or light film. . When such a protective film is formed, an aircraft or the like may detect the radio wave, electromagnetic wave, light, or laser light when an object such as an aircraft approaches and contacts or crosses the protective film of the beam. Can be
This signal can generate an alarm signal. If a detector capable of detecting an electromagnetic wave or light for alarm is brought with the user, the approach of the energy beam can be known and a danger can be predicted in advance.

In (2) of the present invention, since the protective film is composed of a plurality of layers, the satellite has a function of detecting which layer the object has traversed and issues an alarm signal to the traversing object. On the object side, danger can be detected at an early stage at the stage of crossing the first protective film.

[0013]

Embodiments of the present invention will be specifically described below with reference to the drawings. FIG. 1 is an overall configuration diagram of a solar power satellite energy transmission protection system according to an embodiment of the present invention. In the figure, a photovoltaic power generation satellite 10 is equipped with a photovoltaic power generation panel 11 that generates power by receiving sunlight. The obtained electric power is converted into radio wave or light energy, and is emitted from the energy emitting unit 13 toward the earth as an energy beam 30.

The energy emitting unit 13 of the solar power generation satellite 10
Is provided on the surface on which the energy emitting section 1 is provided as described later.
A warning signal emitting unit 3 is mounted around the unit 3, and emits a warning signal beam 4. The warning signal beam 4 is a microwave of the same type as the energy beam 30 or has a strong directivity such as a laser beam.
It is much weaker than 0, using radio waves, laser beams, light, etc.
It forms a beam that is harmless to objects and humans.

The energy beam 30 from the photovoltaic power generation satellite 10 is received by the energy receiving unit 21 of the power receiving equipment 20 on the ground, and is converted into electric power by the receiving equipment 20 as described with reference to FIG. The warning signal beam 4 emitted from the photovoltaic power generation satellite 10 covers the periphery of the energy beam 30 and is radiated from the satellite 10 at the end, and covers the entire periphery around the power receiving facility 20 while maintaining a predetermined safe distance. The energy beam 30 and the periphery of the power receiving facility 20 are irradiated so as to form a cylindrical or conical protective film.

FIG. 2 is a view taken in the direction of arrows AA in FIG. 1, and (a) and (b) show different forms.
In the example of (a), the energy emitting unit 13 is provided at the center of the photovoltaic power generation satellite 10, and the alarm signal emitting unit 3 is attached in a circular shape around the energy emitting unit 13. (B) is an example in which the warning signal emitting unit 3 has a large number of emitting devices arranged in a circular shape. In any of the examples, the warning signal emitting unit 3 transmits the energy beam 30 emitted from the energy emitting unit 13. The warning signal beam 4 is emitted in an arbitrary shape such as a cylindrical shape or a conical shape so as to cover the periphery.

FIG. 3 is a block diagram showing the inside of the solar power satellite protection system described above.
(B) shows the receiving side. In FIG. 1A, electric power generated by a photovoltaic power generation panel 11 is converted into electromagnetic waves such as microwaves or light such as laser light by an energy conversion unit 12, and is emitted from the energy emission unit 13 to the earth as an energy beam 30. Is done. A part of the energy from the energy conversion unit 12 is guided to the alarm signal generation unit 1, the frequency and the intensity suitable for the alarm signal are adjusted, and the alarm signal emission unit 3 goes to the earth via the amplifier 2. It is emitted as an alarm signal beam 4.

In FIG. 4 (b), when an object 40, for example, an aircraft, crosses the warning signal beam 4 or receives irradiation, the warning signal receiving unit 41 detects this and sends a signal to the warning device operating unit 42. Send that signal. Alarm device operation unit 4
2, an alarm generator 4 for a predetermined time based on the received signal.
Activate 3 to generate an alarm. The alarm generation unit 43 may generate an alarm sound, turn on an alarm lamp, or make an utterance such as a voice.

In the above embodiment, the protection system applied to the protection of the energy beam 30 for transmitting energy from the solar power generation satellite 10 to the earth has been described. However, the present invention is not limited to this. Instead, the present invention can be applied to transmission of energy between plants on the ground, protection of an ultra-high voltage transmission system from a power plant, and the like.

According to the embodiment of the present invention described above,
When transmitting the energy beam 30 from the photovoltaic satellite 10 to the receiving equipment 20 on the earth, a protective film is formed to cover the energy beam 30 with an alarm signal beam 4, so that an aircraft or a person can irradiate the energy beam 30 and its influence. It is possible to predict the approach before receiving, and to avoid approaching the energy beam 30.

[0021]

The photovoltaic power generation satellite energy transmission protection system of the present invention has the following features. (1) A photovoltaic power generation panel or a condensing panel is mounted, and the power generated by the power generation condensing panel is converted into electromagnetic waves or optical energy. An energy transmission protection system for a photovoltaic satellite that emits and transmits as an energy beam from an energy emitting unit to a receiving facility on the earth,
A warning signal beam emitting unit is attached around the energy emitting unit, and the alarm signal beam emitting unit emits an alarm beam including radio waves, electromagnetic waves, light, or laser light around the energy beam and the receiving equipment. In addition, a protective film for radio waves, electromagnetic waves, light, or laser light is formed, and can be used as an alarm signal for an object in contact with or crossing the protective film.

According to the above configuration, an energy beam and a warning beam of an electromagnetic wave or light are emitted around a receiving facility for receiving the beam on the earth, and the surrounding of the energy beam is protected by a film of the electromagnetic wave or light. If such a protective film is formed, when an object such as an aircraft approaches or touches or crosses the protective film of the beam, the aircraft or the like can detect this electromagnetic wave or light, and this signal An alarm signal can be issued. If a detector capable of detecting an electromagnetic wave or light for alarm is brought with the user, the approach of the energy beam can be known and a danger can be predicted in advance.

In (2) of the present invention, since the protective film is composed of a plurality of layers, the satellite has a function of detecting which layer the object has traversed, and an alarm signal is issued to the traversing object. On the side, the danger can be detected at an early stage when the first protective film is crossed.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a solar power satellite energy transmission protection system according to an embodiment of the present invention.

FIG. 2 is a view taken in the direction of arrows AA in FIG. 1;
(B) shows a different form of the warning signal emitting unit.

FIG. 3 is a block diagram of the inside of a solar power satellite energy transmission protection system according to an embodiment of the present invention;
(A) shows the inside of the satellite, and (b) shows the object side on the ground.

FIG. 4 is a general conceptual diagram of a solar power generation satellite system.

FIG. 5 is a general block diagram of a photovoltaic power generation satellite system, in which (a) is a satellite and (b) is a power receiving facility on the ground.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Alarm signal generation part 3 Alarm signal emission part 4 Alarm signal beam 10 Photovoltaic power generation satellite 11 Photovoltaic power generation panel 12 Energy conversion part 13 Energy emission part 20 Receiving equipment 21 Energy reception part 30 Energy beam

Claims (2)

[Claims] 1. A photovoltaic power generation panel or a light condensing panel is mounted, the electric power generated by the power generation or light condensing panel is converted into electromagnetic waves or light energy, and is directed from an energy emitting unit to an energy receiving device on a terrestrial receiving facility. An energy transmission protection system for a photovoltaic satellite that transmits and transmits the energy beam and the receiving device from the alarm signal beam emitting unit around the energy emitting unit. A warning beam consisting of radio waves, electromagnetic waves, light, or laser light is emitted around the
An energy transmission protection system for a photovoltaic power generation satellite, wherein a protection film for light or laser light is formed, and can be used as an alarm signal for an object in contact with or crossing the protection film. 2. The protective film for radio waves, electromagnetic waves, light, or laser light is a group of protective films consisting of a plurality of layers at predetermined intervals, and when an object contacts or crosses each protective film, the object The solar power generation satellite energy transmission protection system according to claim 1, further comprising a function of detecting which level of the protective film has crossed the object and notifying the object of an alarm-like signal.