LED bulbs to buy five tricks
Taiwan has entered the “summer month electricity price†since June 1st. In addition to seasonal use of large household appliances such as air-conditioning and dehumidifiers, according to the investigation of the Energy Bureau of the Ministry of Economic Affairs, the total electricity consumption accumulated by the long-time lighting bulbs is only second. Air conditioning, ranked second in household electricity. In order to let the people spend a small amount of money can also achieve energy-saving effects, the Taipei City Industrial Development Bureau launched the "LED bulb 5 smart purchase" energy-saving coup. You may wish to adopt:
1. Color temperature according to season and environment: The color temperature range is 2700~6500K. The smaller the value is, the more it is yellow, and the other is blue and white. The yellow light is usually used in winter and bedroom, living room, dining room, etc. . The white light is brighter and clearer, suitable for summer and study, kitchen and so on.
2. Need to emphasize color contrast, choose high color rendering: color rendering refers to the authenticity of the color of the object after being illuminated by light, the value is 0~100, now the color standard of LED bulbs is greater than 75, but Daren recommends More than 80 is better, people in the studio who have studios should choose a light bulb with high color rendering, which can reflect the authenticity of color.
3. Depending on the area and ambient lighting requirements, choose the quantity and luminous flux: Luminous flux refers to the brightness. In the same area, the number of bulbs used varies according to the environment. For example, the same 16 square meters bedroom and study need 2 and 5 13 watt bulbs.
4. High luminous efficiency: The higher the luminous efficiency, the more energy saving. At present, the luminous efficiency of LED lamps is generally higher than 80 lm/W per watt. The higher the value, the more power is saved.
5. General-type LED bulbs (non-wide-angle) are suitable for down-illuminated lamps, and wide-angle LED bulbs are suitable for floodlights. The angle refers to the angle of illumination. Generally, general-purpose LED bulbs are suitable for downlight fixtures, such as xenon lamps; wide-angle LED bulbs are suitable for floodlight fixtures, such as wall lamps and vertical lamps.
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