JP2008059809A - Led assembly lamp and portable marker lamp for helicopter emergency landing and taking-off area provided with the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an LED assembly lamp which can be suitably used for a bordering lamp and a border guiding lamp necessary for a safe emergency landing and taking-off of a helicopter, and provide a portable marker lamp for a helicopter emergency landing and taking-off area. <P>SOLUTION: The LED assembly lamp 11 is composed at least of a lamp main body 12 provided with a light-emitting unit 13 having one or more layers with a lot of LEDs 14, light axes of irradiating lights of which are arranged radially in a horizontal direction to face each other, a refracting lens 23 which covers an outer circumference of the lamp main body 12 and is formed to transmit each of irradiating lights from the LEDs 14 in a free angle of refraction mainly from a horizontal direction to an upward direction and a transparent cover 33 to cover transmission of the irradiating lights after being refracted through the refracting lens 23. And, the LED assembly lamp is mounted on a portable casing 42 to make a portable marker lamp 41 for a helicopter emergency landing and taking-off area. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention is suitable as a “boundary light” or “boundary guide light” that is required when a helicopter that is dispatched in an emergency is safely detached at an emergency departure / arrival place even at night by incorporating an LED (light emitting diode). The present invention relates to a technology relating to an LED assembly lamp that can be used for a helicopter and a portable beacon lamp for an emergency take-off and landing site using the same.

  Helicopters are highly mobile and simple flying means that can take off and landing at a relatively narrow take-off and landing field, so they show great power in disaster relief activities during emergencies and disasters, especially in earthquakes and high-rise building fires. is doing.

  On the other hand, the Aviation Law and the Fire Department Guidelines (hereinafter referred to as “Aeronautical Law, etc.”) comply with the aviation law, from the viewpoint of ensuring the safe navigation of the helicopter (hereinafter referred to as “the helicopter take-off and landing place”). Various regulations and agreements are established.

  That is, in the Aviation Law, etc., helicopter take-off and landing areas are classified into four categories: “Heliport (public / non-public)”, “off-field departure / arrival place”, “emergency take-off / departure place”, and “emergency rescue space”. In particular, as an application field of the present invention, there is a problem with the relationship between “offside departure / arrival field”, “emergency departure / landing area”, and “emergency rescue space”. The helicopter takeoff and landing area is a permanent helicopter and the others are temporary.

  Of these, the “departure / landing area outside the airfield” means a takeoff / landing place outside the airfield that requires permission from the Minister of Land, Infrastructure, Transport and Tourism each time it is used. “Emergency takeoff and landing” refers to a place (land or rooftop) that is applied only when an emergency helicopter is taken off or landing for disaster activities, etc., and only a special organization takes off and landing during a special period in an emergency. It is supposed to be possible. Furthermore, “emergency rescue space” refers to a place that is applicable only when hovering an emergency helicopter for disaster activities, etc., and only a special organization can hover only during a special time zone in an emergency. It is supposed to be possible. It is necessary to apply for the “emergency departure / landing area” and “emergency rescue space” as an “off-field departure / landing area” and obtain landing permission each time it is used.

  What is more, the “Heriport (Public / Non-Public)”, which is equipped with various safety facilities / equipment, for the “Exit and Departure Field”, “Emergency Depot” and “Emergency Rescue Space” Although it is different, it is obliged to install various kinds of beacon lights that are necessary for ensuring safety especially during nighttime navigation.

  Among these, at least “Heliport Lighthouse”, “Wind Direction Light”, “Landing Area Lighting Light”, “Boundary Guidance Light”, and “Boundary Light” are installed for “Emergency Departure and Arrival” and “Emergency Rescue Space” It is said that it is necessary to do. As for the “departure / departure field outside the airfield”, each time it is used, various sign lights according to the description of the “emergency take-off / departure field” or “emergency rescue space” will be installed according to the purpose of use.

  In addition, the above-mentioned various indicator lights are installed in place in advance with necessary wiring, and the lighting control panel is controlled to be turned on and off by manually operating the lighting control panel or remotely operating from a disaster prevention center, etc. Can be done.

  By the way, the above-mentioned various indicator lamps are wired and controlled to be turned on / off by the lighting control panel, so that installation work performed with wiring becomes complicated and lacks responsiveness in an emergency. There was a problem.

On the other hand, in view of such a problem, the present inventors, as disclosed in Patent Document 1 below, allow a helicopter that is dispatched in an emergency, such as rescue operations in an emergency or disaster, to safely take off and arrive at night. Have already proposed a light-emitting diode assembly lamp that can be suitably used as a "boundary lamp" and "boundary guide lamp" required for the vehicle and a portable beacon lamp for a helicopter emergency takeoff and landing site using the same.
JP 2001-23405 A

  However, with respect to the light-emitting diode assembly lamp of Patent Document 1 and the portable beacon light for helicopter emergency takeoff and landing fields using the same, particularly the “boundary light”, it is not always possible to obtain a luminous intensity of 10 candela or more required by the law. It was not easy, and there was a difficulty in ensuring visibility during actual use.

  In view of the above-mentioned problems seen in the prior art, the present invention provides “boundary lights” and “boundary guidance” necessary for safely taking off and landing helicopters that are dispatched in emergency situations, such as emergency relief activities. It is an object of the present invention to provide an LED assembly lamp that can be suitably used as a “lamp” and a portable beacon lamp for a helicopter emergency takeoff and landing site using the LED assembly lamp.

  The present invention has been made to achieve the above object, and among these, the first invention (LED assembly lamp) is a large number arranged in such a manner that the optical axis of the irradiated light is directed radially in the horizontal direction. A lamp body comprising one or more layers of light emitting units each having an LED, and refracting each irradiation light from the LED mainly from the horizontal direction to the upward direction covering the outer peripheral side of the lamp body. The most important feature is that it comprises at least a cylindrical refractive lens body that is freely transmissive and a transparent cover body that freely covers the refracted light passing through the refractive lens body. To do.

  In this case, it is preferable that the refractive lens body is provided with a refractive function for directing each irradiation light from the LED mainly from a horizontal direction to a region extending upward 30 degrees. In addition, the lamp body may be formed by laminating the light emitting unit so that there are two or more layers. Furthermore, it is preferable that the light emitting unit positioned on the upper layer side and the light emitting unit positioned on the lower layer side are stacked under an arrangement relationship in which the LEDs in the up-down direction are alternately positioned in a non-facing manner. Furthermore, the lamp body can be raised in height through the pedestal, or a horizontal reflecting surface can be provided below the lamp body.

  Furthermore, a second invention according to the present invention (portable beacon for helicopter emergency takeoff and landing) is an LED assembly lamp according to any one of claims 1 to 6 and an electric power for supplying power to the LED assembly lamp side. It is composed of a liquid-tight portable casing in which a double-layer capacitor is rechargeably incorporated, and the LED assembly lamp is provided with water-tightness on the portable casing. Features.

  In this case, it is preferable that the portable casing is provided with a ventilation portion that prevents intrusion of water and allows free ventilation. Further, it is desirable that the electric double layer capacitor is freely arranged to be charged from the outside by at least one of a solar battery power source, a household AC power source, and a storage battery power source.

  According to the first aspect of the present invention, the outer peripheral side of the lamp body is covered with the refractive lens body, and further, these are covered with the transparent cover body, so that the irradiation light is refracted mainly into the region extending from the horizontal direction to the upward direction. Can be illuminated.

  According to the invention of claim 2, since the refractive lens body is provided with a refractive function for directing each irradiation light from the LED mainly from the horizontal direction to the region extending upward 30 degrees, the “boundary lamp” Or as a “boundary guide light”.

  According to the invention of claim 3, since the lamp main body is formed by laminating the light emitting units into two or more layers, it is possible to ensure the light intensity as desired.

  According to the invention of claim 4, since the individual LEDs of the light emitting unit positioned on the upper layer side can be positioned above the adjacent LEDs of the light emitting unit positioned on the lower layer side, the overall stacking height can be reduced. That can be lowered.

  According to the fifth aspect of the present invention, the possibility that the irradiated light is shielded by the other member serving as an obstacle can be reduced as much, so that the degree of freedom in design can be increased accordingly.

  According to the invention of claim 6, since the lamp body has a horizontal reflection surface below it, the visible range can be increased by generating reflected light through the horizontal reflection surface. .

  According to the invention of claim 7, an LED assembly lamp, and a liquid-tight portable casing in which an electric double layer capacitor for supplying power to the LED assembly lamp side is built in so as to be rechargeable are provided. Since LED assembly lamps are arranged on the casing with liquid-tightness, they are portable sign lights for all-weather helicopter emergency landings, especially as “boundary lights” and “boundary guidance lights” It can be preferably used.

  According to the eighth aspect of the invention, the portable casing has a ventilation portion that allows air to pass through while preventing the intrusion of water and liquid. In addition, it is possible to smoothly take in external air that does not contain pancreatic juice.

  According to the ninth aspect of the invention, the electric double layer capacitor is arranged to be freely charged from the outside by any one of the solar battery power source, the household AC power source, and the storage battery power source, and the relationship with the situation. It can be charged using a power supply that seems to be optimal, and can be well adapted to sudden use.

  FIG. 1 is a perspective view of an example of an LED assembly lamp (first invention) according to the present invention, with a part thereof cut away, and FIG. 2 is an optical axis direction of an irradiation light of an LED and a refractive lens. It is explanatory drawing which shows the relationship with a body typically.

According to these figures, each LED assembly lamp 11 is laminated in two layers having a plurality of LEDs 14 arranged on a base material 15 so that the optical axis of the irradiation light is directed radially in the horizontal direction. a lamp body 12 formed by a light-emitting unit 13, the refracted and covering the outer periphery of the lamp body 12 to the irradiation light l ₁ mainly ranging from a horizontal direction upwards 30 degree direction region from individual LED14 the refractive lens body 23 of freely formed tubular permeation is at least composed of a transparent cover 33 for covering freely transmitted illumination light l ₂ after refraction through the refractive lens body 23. The lamp body 12 and the refractive lens body 23 are integrally attached on the base portion 16. A horizontal reflecting surface 17 made of a reflecting material such as aluminum foil is formed on the surface of the base portion 16.

  Among these, the light emitting unit 13 located on the upper layer side and the light emitting unit 13 located on the lower layer side constituting the lamp body 12 are alternately arranged such that the LEDs 14 and 14 that are positioned in the latest vertical direction are non-facing. They are arranged so as to be in a positional relationship and laminated integrally. That is, the individual LEDs 14 of the light emitting unit 13 positioned on the upper layer side have an arrangement relationship positioned above the adjacent LEDs 14 and 14 in the light emitting unit 13 positioned on the lower layer side.

  In this case, the emission color from the lamp body 12 can be a single color of an appropriate color, such as a single color of yellow or a single color of green, depending on the application, and the emission color as desired. It is also possible to obtain a plurality of emission colors by mixing LEDs 14 having different colors.

Further, the refractive lens body 23 formed as a Fresnel lens using a polycarbonate material, a glass material or the like as a base material is provided with a sawtooth-shaped uneven portion 24 on its outer surface. The concavo-convex portion 24 has an acute inner angle between the tip 25a of the upper horizontal portion 25 formed in parallel with the optical axis (irradiation light l ₁ ) direction and the rear end 25b of the lower horizontal portion 25. It is formed so as to be continuous with the inclined portion 26. In this case, the angle (θ) at which the irradiation light ₁₁ is mainly refracted upward can be set by appropriately determining the inner angle α formed between the horizontal portion 25 and the inclined portion 26.

  Further, a transparent cover body 33 made of a transparent member such as a transparent synthetic resin material or a transparent tempered glass material includes a dome portion 33 that covers the entire lamp body 12 including the refractive lens body 23, and a horizontal surface from the open edge side of the dome portion 33. A flange portion 34 extending in the direction is integrally formed, and a screw hole 36 for fixing to a mating member (for example, the portable casing 42 shown in FIG. 4) is formed on the rear surface side of the flange portion 35. And a recess 37 formed on the outer peripheral side thereof for accommodating the silicone rubber 38 for sealing.

  FIG. 3 is a perspective view showing a cutaway part of another example of the first invention, and the lamp body 12 in this example is installed with a seat height increased via a pedestal 18. Correspondingly, only the difference from the example shown in FIG. 1 is that the dome portion 34 of the transparent cover body 33 is formed with a high height, and other configurations are formed in the same manner as in the example of FIG. Therefore, the same parts are denoted by the same reference numerals and description thereof is omitted.

  On the other hand, FIG. 4 is a perspective view showing a part of the portable sign lamp (second invention) for emergency takeoff and landing site according to the present invention, with a part thereof cut away, and FIG. It is a perspective view which removes the upper cover part and shows an internal structure about an example.

  According to these figures, the portable indicator lamp 41 includes a portable casing in which the LED assembly lamp 11 shown in FIG. 1 and an electric double layer capacitor 57 for supplying power to the LED assembly lamp 11 are rechargeably incorporated. 42. The electric double layer capacitor 57 has, for example, a total of 24, in which 12 capacitors are arranged in 3 layers (columns) × 4 (rows) in a cylindrical shape with a rated voltage of 2.5 V and 100 F and are stacked in two layers. Arranged in the portable casing 42 under an appropriate number and arrangement pattern such as arranging books upright.

  A liquid-tight portable casing 42 formed mainly using aluminum or the like is a casing main body 43 that has a rectangular tube shape with an appropriate surface size, and a lower cover 43 a that covers the lower opening 43 a of the casing main body 43. It is comprised by the cover part 46 and the upper cover part 47 which covers the upper side opening part 43b. The lower lid portion 46 and the upper lid portion 47 are formed so as to be freely fastened by screws 48 via the lower flange portion 44 and the upper flange portion 45 of the casing body 43. Note that a sealing material 49 such as silicone rubber is interposed between the lower flange portion 44 and the lower lid portion 46 of the casing main body 43 and between the upper flange portion 45 and the upper lid portion 47 of the casing main body 43. By making it liquid-tight, it is given.

  In addition, the portable casing 42 to which appropriate colors required according to the application are provided includes a pair of handles 50 and 50 that are rotatably attached to the casing body 43 side. It can be easily carried by gripping.

  In the portable casing 42 formed in this way, a plurality of desired electric double layer capacitors 57 are housed, for example, a solar battery power source, a household AC power source, a storage battery power source (including a vehicle power source). 8) and a predetermined wiring 58 necessary for charging the electric double layer capacitor 57 from the outside by any one of the private generators, etc., as well as necessary for blinking the LED assembly lamp 11 side, for example, in FIG. A circuit as shown is formed.

  That is, according to the circuit explanatory diagram as an example shown in FIG. 8, charging / discharging switching is performed between the charging power input terminal 59 connected to the external power source and the capacitor block 60 including the electric double layer capacitor 57. A 4-series-2parallel switching circuit 61 is formed as an application, and the electrical double layer capacitor 57 can be fully charged by the switching circuit 61. Further, the electric double layer capacitor 57 and the marker lamp LED group 62 as the lamp body 12 are connected via an LED driving inverter power supply 63.

  Further, on the casing main body 43 side of the portable casing 42, an external power outlet 51 having a detachable lid 51a and a toggle switch that can be switched on and off in addition to turning on and off the lamp main body 12. In addition to the switch 52 composed of the above, a vent portion 53 is provided at a plurality of locations, which allows the water liquid to enter and freely vent. In this case, the ventilation part 53 can be formed by covering the ventilation hole 54 with a film-like material (for example, trade name “GORE-TEX”) in which extremely fine holes are formed in a fluororesin-based resin. In addition, the code | symbol 55 in a figure shows the fitting cover applied to a protection reservoir, ensuring air permeability of the ventilation part 53 itself.

  On the other hand, FIG. 6 is a perspective view showing another example of a portable sign lamp (second invention) for emergency takeoff and landing sites for helicopters according to the present invention, and FIG. It is a perspective view which removes the upper cover part and shows an internal structure about this example.

  According to these figures, the portable indicator lamp 41 incorporates the LED assembly lamp 11 shown in FIG. 3 and one or more electric double layer capacitors 57 for supplying power to the LED assembly lamp 11 side in a chargeable manner. And a portable casing 42.

  In this case, the LED assembly lamp 11 is disposed on the lamp body 12 side through the pedestal portion 18 so that the seat height is increased. Accordingly, the height of the dome portion 34 in the transparent cover body 33 is correspondingly increased. Is formed.

  For this reason, the outlet 51 and the switch 52 can be installed with a margin on the upper lid portion 47 side of the portable casing 42 without shielding the irradiation light from the lamp body 12, thereby providing excellent operability. Become. In addition, since the other structure is the same as the example shown in FIG. 4, the same code | symbol is attached | subjected to the same site | part and the description is abbreviate | omitted.

Next, in the present invention, first, the operation and effect of the LED assembly lamp according to the first invention will be described based on the illustrated example. covering the outer periphery a cylindrical refractive lens body 23 of the transmission is freely formed by refracting the area up upward 30 degree direction each irradiation light l ₁ from the main horizontal direction from each LED 14, the since LED aggregate lamp 11 is formed by the refractive lens body 23 transparent cover 33 which covers freely transmitted illumination light l ₂ after refraction through the irradiation light l ₁ from the lamp body 12 side, FIG. As shown in FIG. 2, by mainly refracting the region extending 30 degrees from the horizontal direction upward, it is possible to illuminate a range extending 30 degrees upward from the horizontal plane.

  In this case, when the light emitting unit 13 is laminated in two or more layers, a larger amount of light can be obtained. In addition, when the light emitting unit 13 positioned on the upper layer side and the light emitting unit 13 positioned on the lower layer side are stacked in an arrangement relationship in which the LEDs 14 and 14 in the vertical direction are alternately positioned in a non-facing manner. Can be stacked with a lower stacking height.

  When the lamp body 12 is formed with the seat height being increased via the pedestal portion 18, the possibility that the irradiation light is shielded by other members can be reduced accordingly. When the lamp body 12 includes the horizontal reflecting surface 17 below the lamp body 12, the visible range can be increased by generating reflected light through the horizontal reflecting surface 17.

  On the other hand, the operation and effect of the portable indicator lamp according to the second invention will be described based on the illustrated example. The electric double layer capacitor 57 for applying a voltage to the lamp body 12 (LED assembly lamp 11). For example, the portable indicator lamp 41 shown in FIG. 4 is formed by disposing the LED assembly lamp 11 with watertightness on the portable casing 42 in which the LED assembly is incorporated. It is possible to reliably prevent the water liquid from entering the body lamp 11.

  Further, in the case where the portable casing 42 includes a ventilation portion 53 that allows ventilation by preventing the intrusion of water and liquid, the ventilation casing 53 is used to raise the temperature of the air in the portable casing 42. Thus, it is possible to smoothly perform exhaust and intake air without external liquid.

  Further, when the electric double layer capacitor 57 can be charged from the outside by any one of a solar battery power source, a household AC power source, and a storage battery power source, it can be daytime regardless of the installation environment. It can be easily fully charged when not in use. In addition, the electric double layer capacitor 57 can store a large amount of energy in a short time, and can withstand use at a practical level for a long time. can do.

Moreover, regions portable marker lamp 41 is shown as θ in LED aggregate lamp 11 each illumination light l ₁ mainly ranging from a horizontal direction upwards 30 degree direction region direction from side (e.g., Fig. 9, as shown in FIG. 2 When the light can be refracted in the direction), as shown in FIG. 9, in the emergency departure / arrival field S of the helicopter H, the portable beacon light 41 (boundary light), which is a stationary light whose light color is “aviation yellow” It can be suitably used as the lamp 71) and the portable sign lamp (boundary guide lamp) 41 which is a stationary light whose lamp color is “aviation green”.

  Furthermore, when the electric double layer capacitor 57 can be charged from the outside by any one of a solar battery power source, a household AC power source, a storage battery power source (including a vehicle power source) and a private power generator, the outlet 51 By connecting one of the charging power sources to the battery, it is possible to quickly fully charge it in a short time and use it immediately even if the portable sign lamp 41 has to be used suddenly. In this case, the electric double layer capacitor 57 has the following characteristics as compared with the secondary battery. Resistant to repeated charge and discharge (there is no limit that it is not necessary to charge only at that time). There is no memory effect even if you keep charging. Since the voltage drop is small, the capacity may be small. Rapid charge / discharge is possible. Can be lit for several hours.

  In addition, as shown in FIG. 9, the portable beacon lamp 41 wipes off the electrical wiring when the helicopter H that is dispatched in an emergency is used as a boundary light 71 required when taking off and landing or a boundary guide light (not shown). In addition to being able to quickly perform the installation work at the predetermined position, the switch 52 is closed and the LED assembly lamp 11 is turned on without requiring any preparatory work such as charging before the helicopter H arrives. Just by turning on the light, you can immediately get ready. Moreover, after the use is finished, it can be withdrawn very simply by carrying it away while holding the handle 56.

  The above is the description of the present invention based on the illustrated examples, and various modifications can be made to the specific contents without departing from the gist of the present invention. For example, the lamp body 12 can be formed by laminating the light emitting units 13 in three or more layers. Further, the refractive lens body 23 may be one that can be refracted mainly in a region extending from the horizontal direction to the upward direction, and the refraction angle thereof may be appropriately determined according to the portion of the region, or may be arbitrarily determined as desired. Can be determined. Furthermore, the portable casing 42 can be formed in a cylindrical shape in addition to a rectangular tube shape. In addition, the portable marker lamp 41 can be securely withstands the wind pressure when the helicopter H arrives by placing a weight in the interior of the portable sign lamp 41 or by firmly fixing the position to the ground side via a peg. You can also.

  Helicopters that are dispatched in an emergency can be suitably used as `` boundary lights '' and `` boundary guidance lights '' that are necessary for safely taking off and landing at emergency landings at night. It can also be provided as an LED assembly lamp or portable lamp that can be used for other general purposes by freely forming a refraction in an appropriate angular direction as desired from the horizontal direction to the upward direction. it can.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an example of an LED assembly lamp (first invention) according to the present invention, with a part thereof cut away. Explanatory drawing which shows typically the relationship between the optical axis direction of the irradiation light of LED, and a refractive lens body. The perspective view which cuts off and shows about the other example of 1st invention. The perspective view which cuts off one part and shows it about an example of the portable beacon lamp (2nd invention) for helicopter emergency takeoff and landing fields concerning the present invention. The perspective view which removes an upper cover part and shows an internal structure about the example of FIG. The perspective view which cuts off and shows about the other example of 2nd invention. The perspective view which removes an upper cover part and shows an internal structure about the example of FIG. The circuit explanatory view as an example about the 2nd invention. Explanatory drawing which shows the positional relationship of the portable marker lamp which concerns on this invention, and the helicopter at the time of the takeoff and landing.

Explanation of symbols

11 LED assembly lamp 12 Lamp body 13 Light emitting unit 14 LED
DESCRIPTION OF SYMBOLS 15 Base material 16 Base part 17 Horizontal reflective surface 18 Base part 23 Refractive lens body 24 Uneven part 25 Horizontal part 25a Tip 25b Deep end 26 Inclined part 33 Transparent cover body 34 Dome part 35 Flange part 36 Screw hole 37 Concave part 38 Silicone rubber DESCRIPTION OF SYMBOLS 41 Portable indicator lamp 42 Portable casing 43 Casing main body 43a Lower opening part 43b Upper opening part 44 Lower flange part 45 Upper flange part 46 Lower cover part 47 Upper cover part 48 Screw 49 Sealing material 50 Handle 51 Outlet 51a Cover body 52 Switch 53 Ventilation Portion 54 Ventilation Port 55 Fitting Cover 57 Electric Double Layer Capacitor 58 Wiring 59 Charging Power Supply Input Terminal 60 Capacitor Block 61 4 Series-2 Parallel Switching Circuit 62 Marker LED Group 63 LED Drive Inverter Power Supply 71 Boundary Light H Helicopter S Emergency stop

Claims (9)

A lamp body comprising a light emitting unit of one or more layers having a plurality of LEDs arranged so that the optical axis of the irradiation light is directed radially in the horizontal direction;
A cylindrical refractive lens body that covers the outer peripheral side of the lamp main body and is freely formed to refract each irradiation light from the LED mainly in a region extending from the horizontal direction to the upward direction; and
An LED assembly lamp comprising at least a transparent cover body that freely covers transmission of irradiation light after refraction through the refractive lens body.   The LED assembly lamp according to claim 1, wherein the refractive lens body is provided with a refractive function of directing each irradiation light from the LED mainly to a region extending from the horizontal direction to the upward 30 degrees direction.   The LED assembly lamp according to claim 1, wherein the lamp body is laminated so that the light emitting unit has two or more layers.   The said light emitting unit located in the upper layer side, and the said light emitting unit located in the lower layer side were laminated | stacked on the arrangement | positioning relationship from which the said LED in the up-down direction turns into a non-facing alternating position. LED assembly lamp.   The LED assembly lamp according to any one of claims 1 to 4, wherein the lamp body has a seat height raised through a pedestal portion.   The LED assembly lamp according to claim 1, wherein the lamp body includes a horizontal reflecting surface below the lamp body. The LED assembly lamp according to any one of claims 1 to 6,
It is composed of a liquid-tight portable casing in which an electric double layer capacitor that supplies power to the LED assembly lamp side is built in such a manner that it can be charged.
A portable sign lamp for a helicopter emergency takeoff and landing field, wherein the LED assembly lamp is provided on the portable casing with liquid-tightness.   The portable sign lamp for a helicopter emergency takeoff and landing site according to claim 7, wherein the portable casing includes a ventilation portion that allows ventilation by preventing intrusion of water and liquid. 9. The portable sign lamp for a helicopter emergency takeoff and landing area according to claim 7 or 8, wherein said electric double layer capacitor is freely chargeable from the outside by any one of a solar battery power source, a household AC power source and a storage battery power source.

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