Panasonic will be on the market from March 1st to automatically adjust the brightness of the house by detecting indoor brightness, automatically dimming and maintaining a certain illumination. The illuminator detects the brightness within a range of about 3 m in diameter directly below the lighting fixture (the ceiling height is about 2.4 m), so that the output power of the controlled fluorescent lamp reaches a certain brightness in the room. Lighting fixtures that use sensors to automatically dim are used for the first time in the industry (the company).
In many homes, the living room often lights up during the day, and the luminaire is designed to reduce the amount of electricity used during the day by using the lighting of the windows. In the one-week experiment conducted in December 2008, the power consumption was reduced by about 60%. The products on the market include the HHFZ4320 with a power consumption of 89W and the HHFZ4220 with a power consumption of 74W. The price is open, and the actual sale price is assumed to be 35,000 yen and 32,000 yen respectively.
The specific working mode of the luminaire is that the illuminating sensor detects the brightness of the floor directly under the lighting device once every second, and controls the output power of the fluorescent lamp to change at any time within 65 stages of 10 to 100% with an average value of 10 seconds. The achievable brightness has three stages of 100%, 70% and 50%. The dimming speed is optimized so that the user does not feel the change. Since the reflectance of light varies depending on the color of the floor, it is also equipped with an environment setting function to automatically correct the setting of the sensitivity range of the initial sensor. The sales target is 200,000 units per year, and it has been equipped with automatic dimming function on 10% of TwinPa series lamps.
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