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Beacon lamp

A beacon lamp and lamp body technology, applied in the field of beacon lamps, can solve problems such as hindering light projection and light distribution, short circuit or leakage, and achieve the effect of preventing corrosion and preventing light output from being hindered

Inactive Publication Date: 2012-06-20
TOSHIBA LIGHTING & TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, if condensation adheres to the light source unit, it may hinder the desired light projection and light distribution.
In addition, if condensation adheres to the lighting device or the charging unit, there is a problem of electrical accidents such as short circuit or leakage.

Method used

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Experimental program
Comparison scheme
Effect test

no. 1 approach

[0052] figure 1 It is a cross-sectional view showing the configuration of the beacon light according to the first embodiment of the present invention. In addition, in this embodiment, the case where a beacon light is comprised as an embedded type beacon light is demonstrated.

[0053] like figure 1 As shown, the beacon lamp 1 in this embodiment includes: a lamp body 1A composed of a lamp body cover 2 and an upper lamp body 3 . An internal space 4 is formed between the lamp body cover 2 and the upper lamp body 3 . The lamp body cover 2 and the upper lamp body 3 are fastened together with a plurality of screws 6 via an O-ring 5 , thereby constituting an airtight interior space 4 .

[0054] On the upper surface of the upper lamp body 3, the light projection window 3A that guides the light from the optical unit 10 and the groove portion 7 connected to the light projection window 3A are arranged obliquely upward from the center of the beacon light 1 along the side. And set. Su...

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Abstract

Disclosed is a beacon lamp comprised of a lamp body having a floodlight window provided with a translucent member, and a hermetic inner space,a semiconductor light emitting element which is disposed in the inner space of the lamp body and which emits light through the floodlight window of the lamp body,and a moisture absorption member which is disposed in the inner space of the lamp body and which has moisture absorption characteristics for absorbing the moisture in the air within the inner space, wherein dew condensation is prevented from occurring on the inner surface of the translucent member, using the moisture absorption characteristics.

Description

technical field [0001] The present invention relates to a beacon light, comprising: a semiconductor light emitting element such as a light emitting diode (Light Emitting Diode, LED). Background technique [0002] Conventionally, beacon lights such as embedded beacon lights or ground-mounted beacon lights for guiding aircraft are installed on taxiways and runways (taxi ways) of airports. This embedded beacon light is embedded in the road surface with the upper part of the lamp body slightly protruding from the road surface of the taxiway or runway, and emits light from the exit window formed on the upper part of the lamp body toward the side for The pilot flying the plane can see it. [0003] Among such embedded beacon lights, there is a beacon light using a light emitting diode as a light source (for example, Japanese Patent Laid-Open No. 2009-76235). [0004] Furthermore, among other conventional embedded beacon lights, there is an embedded beacon light that uses a light ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S2/00F21Y101/02
CPCF21W2111/06B64F1/205F21V31/03B64F1/20F21Y2101/02F21Y2115/10
Inventor 长谷川润治井手胜幸石田康史新野真吾加藤俊也
Owner TOSHIBA LIGHTING & TECH CORP
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