Outdoor signal indicator lamp

Abstract

The invention discloses an outdoor signal indicator lamp. The outdoor signal indicator lamp comprises a lamp body and a transparent lamp shade covering the lamp body. The outdoor signal indicator lamp further comprises a covering judgment device and a heating device which are arranged on the signal indicator lamp, wherein the covering judgment device is used for judging whether the outdoor signal indicator lamp is covered with accumulated snow or not, and the heating device is used for heating when the signal indicator lamp is covered with accumulated snow. In one specific embodiment, the outdoor signal indicator lamp comprises the covering judgment device and the heating device which are arranged on the signal indicator lamp, the covering judgment device is used for judging whether the outdoor signal indicator lamp is covered with accumulated snow or not, and the heating device is used for heating when the signal indicator lamp is covered with accumulated snow. By adoption of the outdoor signal indicator lamp, the problem that when outdoor LED signal indicator lamps such as traffic lamps are used in windy and snowy weathers, light emitted by the traffic lamps is likely to be covered by accumulated snow, and consequentially, indication information of the traffic lamps cannot be recognized by observation personnel is solved, and corresponding traffic safety problems are avoided; and the problem that snow in each outdoor single lamp cannot be manually removed easily is also solved.

Description

technical field [0001] The application relates to lighting fixtures, in particular to an outdoor signal indicator light. Background technique [0002] As the light source of traffic signal lights, LED has become the current mainstream trend. LED not only has high brightness and is easy to identify, is energy-saving and environmentally friendly, but also has a long service life. The principle of LED lighting is to directly convert electrical energy into light energy, which is different from the way traditional incandescent lamps use electrical energy to generate heat energy and then convert heat energy into light energy. Therefore, the heat energy generated by LED lamps is relatively lower than that of traditional incandescent lamps. Such characteristics are actually a great advantage when applied to daily lighting. However, for areas with low temperature and a lot of wind and snow, when the snow is covered on the signal lights, the heat energy generated by the LED traffic l...

AI Technical Summary

Problems solved by technology

However, for areas with low temperature and a lot of wind and snow, when the snow is covered on the signal lights, the heat energy generated by the LED traffic lights is not enough to melt the snow on its surface, resulting in a thick layer of snow on the transparent mask of the signal lights. , the signal lights cannot be seen clearly and are difficult to clean up, which may easily lead to traffic accidents

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