JP2002218655A - Power supply system at airport - Google Patents

Abstract

PROBLEM TO BE SOLVED: To install a flexible solar cell module at a buffer area by which the land can be effectively used, a feed cable can be shortened, natural energy can be used, hazardous effects by birds and the like can be prevented, and damage to an airplane can be avoided even when the wheels run out of way. SOLUTION: The flexible solar cell module 8 is installed at the buffer area B which is the unused land in airport. Power generated by the solar cell module can be used.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply system in an airport, and more particularly, to a method for effectively utilizing a buffer zone, which is a vacant land in an airport premises, and more particularly to a system for generating electricity by utilizing a buffer zone in an airport premises. About.

[0002]

2. Description of the Related Art FIG. 6 shows a use form of an airport site. FIG.
In the airport, a commercial power supply 6 is received at an airport terminal 2 in an airport site 1 or in a power room installed in the vicinity thereof, and a runway light on a runway 3 or the like is provided at an airport.
Guidance light 7, security facility 16, apron lighting 1
7. Power is supplied to airport power equipment E such as a drain pump 18 (see FIG. 7).

FIG. 7 shows the configuration of a power supply system. Airport power facilities E (runway lights, guide lights 7, security facilities 1)
6, the apron lighting 17, the drain pump 18 and the like) are always supplied with electric power through the transformer 11 using the commercial power supply 6. When the commercial power source 6 loses power, the standby commercial power source 19
The system is switched to the system, and the power supply to the airport power facility E is similarly continued via the transformer 12.

[0004] If power is interrupted in both systems, the emergency power generator 5
Then, the power is supplied to the airport power equipment E via the transformer 13 in the same manner. In addition, power is supplied to the runway light and the guide light 7 via the uninterruptible power supply 4.

[0005]

At the airport site 1,
Vast vacant spaces are required between runway 3 and another runway (not shown), between taxiway 31 and runway 3, between taxiway 31, etc. to enable the aircraft to move without contact. And Such a vacant lot is called a buffer zone B, and is a space that is not used at all. In such a buffer zone B, weeds grow and need weeding work, and birds form nests on the weeds, causing bird damage. In addition, in the conventional system, since all the power required for the airport power equipment E is supplied from the airport terminal 2 distant from the airport power equipment E or from a power room in the vicinity thereof, the loss in the power supply cable is large.

The present invention solves such a conventional problem and installs a flexible type solar cell module in the above-mentioned buffer zone, thereby making effective use of land, shortening a power supply cable, and using natural energy. It is an object of the present invention to make it possible to utilize the data, further prevent the occurrence of bird harm, etc., and to prevent the aircraft from being damaged even in the event of an accident such as derailing of the aircraft.

[0007]

According to the present invention, there is provided a power supply system at an airport according to the present invention.
It is characterized by utilizing electric power generated by a flexible type solar cell module installed in a buffer zone, which is a vacant land on an airport site.

According to the present invention, by installing a flexible type solar cell module in a buffer zone of an airport, the land can be effectively used, the power supply cable can be shortened, natural energy can be used, and bird damage and the like can be achieved. This has the advantage that it is possible to prevent the occurrence of such a situation and prevent the aircraft from being damaged even in the event of an accident such as a wheel derailment of the aircraft.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an explanatory view showing a flexible type photovoltaic power generation module for generating power in an airport premises according to an embodiment of the present invention.
The airport site 1 has an airport terminal 2 for passengers to check in, check out or wait for time, a runway 3 for airplanes to take off and land, an apron 10 for parking airplanes when passengers get on and off, and the apron. It has a taxiway 31 connecting the runway 3 to the runway 10, and furthermore, between the runway 3 and another runway (not shown) or a taxiway to enable the aircraft to move without contact. Road 3
A vast vacant land (buffer zone) B is provided between the runway 1 and the runway 3, between the taxiways 31, and the like.

In the present invention, such a buffer zone B
Is provided with a flexible type solar cell module 8, and the power generated by the solar cell module 8 can be supplied to the above-mentioned airport power equipment E.

In this embodiment, a buffer zone B shown in FIG.
As shown in FIG. 1, a flexible type photovoltaic power generation module 8 made of amorphous silicon is laid at the place. Generate electricity with this solar power module,
By supplying power to the airport power equipment E, the airport site is effectively used.

FIG. 2 is a schematic diagram of a power supply system. In the present invention, the electric power generated by the flexible type solar power generation module 8 installed in the buffer zone B is charged into a power storage facility such as, for example, a storage battery 14, and the guide light 7 on the runway 3 via the inverter 15. Airport power facilities E such as
Power. Also, at night or in the absence of sunshine, the battery is discharged from the storage battery 14 to supply power to the airport power facility E (power is supplied to the runway light and the guide light 7 via the uninterruptible power supply 4).

The airport power equipment E (runway light, guide light 7, security facility 16, apron light 17, drain pump 18, etc.) is supplied with electric power through the transformer 11 using the commercial power supply 6. In the present invention, power is supplied to the airport power equipment E alone together with the commercial power supply 6 or when the amount of power generation is sufficient.

When the power supply of the commercial power supply 6 is stopped due to a power failure or the like, the system is switched to the spare commercial power supply 19 system, and the power supply to the airport power equipment E is similarly continued via the transformer 12,
Also at this time, the airport power supply E is supplied alone together with the commercial power supply 19 or when the amount of power generation is sufficient.

[0015] When both systems lose power, the emergency power generator 5
In the same manner, the airport power supply E is supplied via the transformer 13, but also at this time, together with the emergency power generator 5,
Alternatively, when the amount of power generation is sufficient, the power is supplied to the airport power facility E alone.

That is, in the present invention, the commercial power source 6
Alternatively, the power is supplied to the airport power facility E in connection with the emergency power generator 5 or 19.

FIG. 3 is a sectional view of a power generation system utilizing an airport site 1 according to an embodiment of the present invention. According to the present invention, the flexible type photovoltaic module 8 is provided in the buffer zone B of the airport site 1 where the airport terminal 2, the runway 3, and the like are provided, the groove 20 is formed under the module, and the storage battery 14 is provided. The inverter 15 is housed. Further, a power supply cable 9 for supplying power to the airport power equipment E from the storage battery 14 or the inverter 15 is provided buried underground. As described above, since the storage battery 14 and the inverter 15 are provided under the solar power generation module 8 in the basement, intrusion such as rain can be easily suppressed (since the solar power generation module acts as a lid). 14. A simple structure is sufficient for the lid of the groove 20 for accommodating the inverter 15. Further, since the power supply cable 9 connecting the inverter 15 and the airport electrical equipment E is also buried underground, the risk of disconnection or the like is reduced. Further, since the storage battery 14 is installed in the underground groove 20, there is an advantage that the life of the storage battery is prolonged because it is hardly affected by the outside air temperature and the change in the ambient temperature is small.

FIGS. 4 and 5 are views for explaining a method of installing the photovoltaic power generation module 8 in the buffer zone B of the airport. As is apparent from these figures, for example, a rectangular photovoltaic power generation module 8 is used. By providing a resin part having high insulation properties and a strong resin part, for example, an insulating resin part 81 made of nicolite resin at the four corners, and hitting a pile 82 made of metal and having little deterioration to the insulating resin part 81, the buffer zone B The photovoltaic module 8 can be fixed to the With the above-described installation method, the solar power generation module 8
Can be easily fixed to the buffer zone B while maintaining insulation from the ground.

[0019]

According to the present invention, the buffer zone, which has been unused in the airport premises, can be effectively used, and the treatment of weeds is not required. In addition, bird damage such as nesting of birds in weeds can be prevented.

According to the present invention, the power supply distance to the airport equipment can be reduced, and the loss of the power supply cable can be reduced.

According to the present invention, power can be generated by utilizing natural energy, and electricity costs can be reduced.

According to the present invention, the power supply can be continued without damaging the airplane, since the photovoltaic power generation module is flexible even in the event of an accident such as an accidental derailment of the airplane.

By burying the storage battery in the basement, the storage battery is less affected by the outside air temperature and has a small change in ambient temperature.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of an airport site where a power supply system of the present invention is implemented.

FIG. 2 is a schematic diagram of a power supply system of the present invention.

FIG. 3 is a cross-sectional view of a power supply system using an airport site according to an embodiment of the present invention.

FIG. 4 is a schematic view of a photovoltaic power generation module to which an insulating resin portion according to one embodiment of the present invention is attached.

FIG. 5 is a diagram showing a method for fixing a flexible type solar power generation module to the ground according to one embodiment of the present invention.

FIG. 6 is an image diagram of an airport site according to a conventional technique.

FIG. 7 is a diagram for explaining a conventional technique.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Airport site 2 Airport terminal 3 Runway 4 Uninterruptible power supply 5 Emergency power generator 6 Commercial power supply 7 Runway light and guidance light 8 Flexible type photovoltaic module 9 Power supply cable 81 Insulating resin part 10 Apron 11 Transformer 12 Transformer 13 Transformer 14 Storage Battery 15 Inverter 16 Security Facility 17 Apron Lighting 18 Drain Pump 19 Commercial Power Supply 20 Groove B Buffer Zone E Airport Power Equipment

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Satoshi Otsu 2-3-1 Otemachi, Chiyoda-ku, Tokyo F-term (reference) in Nippon Telegraph and Telephone Corporation 5F051 AA05 BA05 GA05 JA17 JA20 KA10 5G066 HA30 HB06

Claims (1)

[Claims] 1. A power supply system at an airport, wherein electric power generated by a flexible solar cell module installed in a buffer zone, which is a vacant land in an airport site, is used.