Dustproof structure of lamp

Abstract

The invention discloses a novel dustproof structure of a lamp. A lamp body and a power switch are included, the power switch is connected with the lamp body, a cover body and an actuator are further included, and the actuator comprises a transmission mechanism, a rotating shaft and an electromagnetic relay. The electromagnetic relay receives a closing signal of the power switch, the transmission mechanism is controlled to be started, the transmission mechanism drives the rotating shaft to roll, and the cover body connected to the rotating shaft protrudes out to be above the lamp body, and theeffect of a light shield is achieved. After the power switch is turned off, the lamp body stops lighting; the electromagnetic relay of the actuator receives the closing signal of the power switch, thetransmission mechanism is controlled to be started again, the transmission mechanism drives the rotating shaft to roll, the cover body attached to the rotating shaft extends out to completely block the lamp body, and the effect of dust protection is achieved. The novel dustproof structure has the advantages that the light-shielding function can be achieved when the lamp body conducts illumination, the dustproof function is achieved when the lamp body does not conduct illumination, and dust prevention and light shielding are integrated together.

Description

technical field [0001] The invention relates to the field of electrical equipment and electrical engineering technology in the field of electronic information technology, in particular to a dustproof structure of a lamp. Background technique [0002] In outdoor lighting applications, such as railway platforms, bus platforms, roadsides, etc., due to the dust in the environment, the light transmittance of the light-emitting surface of the lamp will decrease due to the accumulation of dust after a period of time, and the illuminated area will become darker. The loss of light efficiency is relatively large, so it needs to be cleaned manually. When the lamp is in a place where it cannot be cleaned, the light can only be dimmed, which will affect the lighting effect. [0003] Moreover, if the lamp is to be used outdoors, it must achieve sufficient heat dissipation and easy maintenance. It is necessary to avoid the accumulation of large particles of dust, leaves, paper scraps, brai...

AI Technical Summary

Problems solved by technology

However, at present, most manufacturers do not consider the environmental factors of the actual application of outdoor lamps when designing outdoor lamps. The accumulation on the heat sink of the lamp body is difficult to wash away even if there is rain. This will cause the heat generated by the light source to not be dissipated in time, so that the junction temperature of the light source will increase rapidly, the light decay will accelerate, and the luminous flux will drop sharply, which will affect the illuminance of the road surface. Requirements, but also greatly reduce the service life of lamps

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