JP2003187602A - Airplane warning light system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an airplane warning light system of a low manufacturing cost, and further, doing without any equipment such as another power source. <P>SOLUTION: The airplane warning light system fitted to a high-rise obstacle warning airplanes flying at night of its existence is provided with solar batteries 11, 12, storage batteries 13 to 15 charging power generated by the solar batteries 11, 12, and lighting parts 34 to 36 lighting at night with the power stored by the storage batteries 13 to 15, each of which is equipped with a plurality of light-emitting diode groups 38 of ultra-high-brightness light-emitting diodes 37 connected in series with each other, with each of which, further, a constant- current control circuit 40 and a broken-line detecting circuit 41 are connected in series. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aviation obstruction light system which is mainly installed in a transmission tower and can be used as a low-luminance obstruction light using a solar battery as a power source.

[0002]

2. Description of the Related Art Various types of conventional low intensity aviation obstruction lights have been proposed, but a power consumption of about 100 W is used, and the power of the transmission line is used as a power source. There has been proposed a device which receives power by a separated induction coil.

[0003]

However, all of the conventional devices have the problems that they are large in size and have high equipment costs, and that the life of the electric lamp itself is short. Further, for example, in the case of a tall chimney or other natural obstacle, it is necessary to supply electric power from the outside, which is very troublesome. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an aviation obstruction light system that is inexpensive in manufacturing cost and does not require another facility such as a power source.

[0004]

An aviation obstruction light system according to the present invention, which meets the above-mentioned object, is installed in a high-height obstacle and emits light at night to inform an aircraft flying at night of the existence of the obstacle. An obstacle light system that includes a solar cell,
A storage battery for charging the electric power generated by the solar cell;
And a lighting unit that is turned on at night by the electric power stored in the storage battery, the lighting unit having a plurality of light emitting diode groups of ultra-bright light emitting diodes connected in series,
A constant current control circuit and a disconnection detection circuit are further connected in series to each of the light emitting diode groups. Here, in the aviation obstruction light system according to the present invention, each of the ultra-bright light-emitting diodes that constitute the light-emitting diode group has an optical axis directed outward on the outside of a concentric container with a tapered tip. It is preferable that they are closely arranged. Further, in the aviation obstruction light system according to the present invention, it is preferable that the lighting unit is arranged on an upper side in a waterproof casing having an upper half made of transparent tempered glass. In the aviation obstruction light system of the present invention, it is preferable that the constant current control circuit and the disconnection detection circuit are provided below the waterproof casing.

In the aviation obstruction light system according to the present invention, power is generated by a solar cell, the storage battery is charged with this power, and this is used as a power source to supply power to the illumination section at night for lighting. Here, since a plurality of light emitting diode groups of ultra-high brightness light emitting diodes connected in series to the lighting unit are used, it is possible to obtain high brightness lighting with low power consumption. As the ultra-bright light emitting diode, for example, 5600
By using a red light emitting diode of mcd and using 300 such super bright light emitting diodes, it is possible to obtain a brightness of 30 cd or more at a power consumption of about 32W. Further, since each light emitting diode group is further provided with a constant current control circuit and a disconnection detection circuit in series, the brightness is stable, and further, when a disconnection occurs, an alarm output can be extremely easily performed. Can be emitted.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Next, referring to the attached drawings, an embodiment in which the present invention is embodied will be described to provide an understanding of the present invention. Here, FIG. 1A is a partial sectional view of an aviation obstruction light system according to an embodiment of the present invention.
2B is a bottom view of the same, FIG. 2 is a plan view of the same, and FIG. 3 is a block diagram of the electric circuit.

As shown in FIG. 3, an aviation obstruction light system 10 according to an embodiment of the present invention includes solar cells 11 and 12.
And sealed lead storage batteries 13 to 15 which are examples of storage batteries for charging the electric power generated by the solar cells 11 and 12.
And first to third lighting units 34 to 36 that are turned on at night by the electric power stored in the storage batteries 13 to 15.
These will be described below. Each of the solar cells 11 and 12 is composed of four solar panels, and has a maximum output of 136 W, a maximum voltage of 26.9 V, and a maximum current of about 5 A. In this embodiment, the solar cells 11 and 12 are provided on a transmission tower or the surface of the earth. It is installed on a stand (not shown). Electric power generated in the solar cells 11 and 12 via the connection boxes 17 and 18 is transmitted to the storage battery box 19. Lead storage batteries 13 to 15 are arranged in the storage battery box 19, and circuit breakers (overcurrent breakers) 11a and 12a, respectively.
Also, electric power is received from the solar cells 11 and 12 via the charge / discharge controller 20. In addition, 21 is a voltmeter and switch 2
The electromotive force of the solar cell 11 or 12 is indicated by turning on any one of 2 and 23. Further, reference numeral 24 is a voltmeter having a structure capable of confirming the charging voltage of the lead storage batteries 13 to 15 by turning on any one of the switches 25 to 27.

The lead storage batteries 13 to 15 supply power to the lighting units 34 to 36 via the circuit breakers 28 to 30 and the charge / discharge controller 20, respectively. The charge / discharge controller 20 includes
When the electromotive force of the solar cell 11 is detected to detect day and night, and the electromotive force of the solar cell 11 becomes a certain voltage (for example, 1/10 to 1/30 of the maximum electromotive force), the night time is detected. Considering that, the lead storage batteries 13 to 15 send power to the lighting units 34 to 36. Further, when the electromotive force of the solar cell 11 exceeds, for example, 1/10 to 1/30, it is considered that it is daytime, and the power supply from the solar cells 11 and 12 to the lighting units 34 to 36 is naturally performed, and the lead storage battery 13 is naturally used. Lighting unit 3 from ~ 15
Power supply to 4-36 is also stopped.

Next, from the charge / discharge controller 20 through the other circuit breakers 31 to 33, the first to third illumination parts 34 are provided.
~ 36 is powered. Each of the illumination units 34 to 36 has a large number (24 in this embodiment) of light-emitting diode groups 38 of the ultra-bright light-emitting diodes 37 connected in series.
In this embodiment, the light emitting diode group 38 is
We have 8 groups. A constant current control circuit 40 and a disconnection detection circuit 41 are connected in series to each light emitting diode group 38. The constant current control circuit 40 may use a constant current diode or a semiconductor device such as a transistor. The core breakage detection circuit 41 measures the voltage across both ends of a resistor provided in series in the circuit, and judges that the voltage is zero and that it is a wire break, and when a predetermined voltage occurs, it judges that it is a wire break. There is. When the disconnection detection circuit 41 determines that the disconnection has occurred,
The disconnection alarm 42 provided in the storage battery box 19 is activated. The disconnection alarm device 42 modulates a specific signal with high frequency and sends it to the power transmission line to notify the monitoring station of the location.

Next, the illumination section 34 (3 shown in FIGS. 1 and 2 is used.
5 and 36 are the same). The entire lighting unit 34 has a waterproof casing 43. The waterproof casing 43 comprises a lower casing 44 made of die-cast aluminum and an upper casing 45 made of transparent tempered glass.
And have. A flange 46 having a male screw 46a formed on the periphery thereof is provided on the upper side of the lower casing 44, and a male screw 46a is provided with the flange 47 provided on the lower part of the upper casing 45 aligned with the flange 46.
Screw the cap nut 48 onto the upper casing 4
5 and the lower casing 44 can be assembled in a sealed state.

A mounting seat 49 is provided inside the lower casing 44 at an upper position, and an intermediate stand 51 having a concentric circular container 50 having a tapered tip is attached to this portion. Below the intermediate table 51, there are three printed circuit boards on which a constant current control circuit 40 for each of the light emitting diode groups 38 divided into 18 groups and a disconnection detection circuit 41 for detecting the disconnection state of the circuit are supported by a supporting member 55. 52-5
It is divided into four and installed. A terminal box 56 is provided below the lower casing 44 for supplying electric power to the illumination section 34 and for outputting the core breakage detection circuit 41. A pedestal 57 is provided at the bottom of the lower casing 44, and as shown in FIG.
Is provided.

Further, on the outside of the container 50 housed in the upper casing 45, 432 ultra high brightness light emitting diodes 37 are densely arranged. The ultra-high brightness light emitting diodes 37 are divided into 18 groups, and the ultra high brightness light emitting diodes 37 of each group are connected in series as described above. Each ultra-bright light emitting diode 37 is a container 5
The optical axis is arranged vertically and radially with respect to the 0 plane, and its wiring passes through the inside of the container 50 and the lower printed circuit board 52.
To 54. With this configuration, the power consumption is about 32W and the power consumption is about 3W in all directions.
An aviation obstruction light system 10 having a brightness of 0 cd (candela) can be provided. The lighting units 34 to 36 are arranged at appropriate places on the steel tower and emit light at night to notify the flying aircraft of the existence of the power transmission tower, but the storage battery box 19 is arranged on the ground or a place near the ground where it is easy to inspect. To be done.

In the above-mentioned embodiment, the solar cell is composed of two solar cells 11 and 12 of four sheets, respectively, but other numbers may be used. Further, although the number of illumination units 34 to 36 is three in this embodiment, it can be increased if necessary, and in this case, the capacity of the solar cell is also increased. Although the case where the aviation obstruction light system 10 is applied to the power transmission tower has been described in this embodiment, the present invention can be applied to other aviation obstacles. The luminosity of the illuminator can be made brighter or darker as required.

[0014]

The aviation obstruction light system according to any one of claims 1 to 4 is an aviation obstruction light system which is installed on a high-height obstacle and emits light at night to notify an aircraft flying about the existence of the obstacle. A solar cell, a storage battery that charges electric power generated by the solar cell, and a lighting unit that lights up at night by the electric power stored in the storage battery, and the lighting unit includes a plurality of ultra-bright light emitting diodes connected in series. Since the light emitting diode group is included, it is possible to illuminate the obstacle lamp at low cost by utilizing sunlight without requiring a special power source. Further, since each light emitting diode group is further provided with a constant current control circuit in series, the brightness of each ultra-high brightness light emitting diode is stabilized. Since the disconnection detection circuit is provided in series with each light emitting diode group, it is possible to easily find a circuit failure. In particular, in the aviation obstruction light system according to claim 2, each of the ultra-high brightness light emitting diodes forming the light emitting diode group has its optical axis directed to the outside of a concentric container having a tapered tip. Since they are arranged closely side by side, it is possible to emit light evenly around. In the aviation obstruction light system according to a third aspect of the present invention, since the lighting unit is disposed on the upper side in the waterproof casing whose upper half is made of transparent tempered glass, the lighting unit can be compactly configured. Further, in the aviation obstruction light system according to claim 4, since the constant current control circuit and the disconnection detection circuit are provided below the waterproof casing,
It is possible to provide a highly reliable aviation obstruction light system with simplified external wiring.

[Brief description of drawings]

FIG. 1A is a partial sectional view of an aviation obstruction light system according to an embodiment of the present invention, and FIG. 1B is a bottom view of the same.

FIG. 2 is a plan view of the same.

FIG. 3 is a block diagram of the electric circuit.

[Explanation of symbols]

10: Aviation obstruction light system, 11, 12: Solar cell, 1
1a, 12a: Circuit breaker, 13-15: Lead storage battery, 17, 18: Connection box, 19: Storage battery box, 20: Charge / discharge controller, 21: Voltmeter, 22, 23: Switch, 2
4: Voltmeter, 25-27: Switch, 28-33: Circuit breaker, 34-36: Illumination part, 37: Ultra-high brightness light emitting diode, 38: Light emitting diode group, 40: Constant current control circuit, 41: Disconnection Detection circuit, 42: disconnection alarm,
43: waterproof casing, 44: lower casing, 45:
Upper casing, 46: flange, 46a: male screw, 4
7: Flange, 48: Cap nut, 49: Mounting seat, 50: Container, 51: Intermediate stand, 52-54: Printed circuit board, 55: Support member, 56: Terminal box, 57: Pedestal, 58: Mounting hole

Claims (4)

[Claims] 1. An aviation obstacle light system, which is installed on a high-height obstacle and informs an aircraft that emits light by flying at night to indicate the presence of the obstacle, the solar cell and electric power generated by the solar cell. A storage battery for charging, and an illumination unit that is turned on at night by electric power stored in the storage battery, the illumination unit having a plurality of light emitting diode groups of ultra-bright light emitting diodes connected in series, respectively, An aircraft obstruction light system, wherein a constant current control circuit and a disconnection detection circuit are further connected in series to the light emitting diode group. 2. The aviation obstruction light system according to claim 1, wherein each of the ultra-high brightness light emitting diodes forming the light emitting diode group has an optical axis outside the concentric container with a tapered tip. An aviation obstruction light system, which is characterized in that they are closely arranged side by side. 3. The aviation obstruction light system according to claim 1 or 2, wherein the illuminating unit is arranged on an upper side in a waterproof casing whose upper half is made of transparent tempered glass. Obstacle light system. 4. The aviation obstruction light system according to claim 3, wherein the constant current control circuit and the disconnection detection circuit are provided below the waterproof casing.