Lighting device

Abstract

The invention discloses a lighting device, which uses a signal comparator whose sampling end is connected to the output end of a solar battery panel as a driving device for a light control switch, uses the solar battery panel as an inductive element for sensing light, and detects light according to the intensity of the sensed light. The switching tube connected to the output terminal of the signal comparator is controlled to be cut off, thereby controlling the power on and off of the LED environmental protection energy-saving lamp connected to the output terminal of the switching tube as a light source. The invention uses free solar energy converted into power as the power supply of the lighting device, which can save a large amount of electricity expenses, and can avoid the trouble of paralysis of the lighting system caused by the power failure of the mains. And the present invention uses LED environment-friendly and energy-saving lamps as the light source, which is not only energy-saving, environment-friendly and has a long service life, but also avoids the trouble of frequently replacing light bulbs and saves the expense of changing light bulbs.

Description

technical field [0001] The invention relates to a novel lighting device, in particular to the field of corridor lighting. Background technique [0002] The existing corridor lighting device mainly adopts incandescent lamps as its light source, and its power supply is provided by commercial power. Ordinary incandescent lamps use a filament to emit light. The tungsten filament is easily blown when heated, the glass bulb is easily damaged, the service life is short, and the power consumption is large, so the cost is quite large. [0003] The existing corridor lighting device controls the on-off of the incandescent lamp by pressing the switch or the voice-activated switch. If it is controlled by a manual switch, manual operation is required every time the light is turned on, and the switch is easily damaged. The switch is not only inconvenient but also has certain potential safety hazards; if it is controlled by a voice-activated switch, it will cause noise in the middle of the...

AI Technical Summary

Problems solved by technology

This kind of light control switch uses a photosensitive resistor as the driving device of the photosensitive switch to control the power on and off of the light source. Since the photosensitive resistor is greatly affected by the temperature and humidity of the environment, and the surface area of ​​the photosensitive resistor is small, if it is covered by dust, leaves or When other obstacles cover the surface, it will wrongly sense the light, causing the photosensitive switch to malfunction

This kind of lighting device using photosensitive photoresist as the driving device is greatly affected by the environment and has poor reliability.

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