Which energy-saving LED lamp and energy-saving lamp, LED lamp energy-saving or energy-saving lamp energy-saving
There is no doubt that compared with energy-saving lamps, LED lamps are more energy-efficient than energy-saving lamps. The light efficiency of energy-saving lamps of better tri-color fluorescent lamps is 51-56lm/W, and the first-line brands are in this range. , the fluorescent lamp is made of halogen powder (that is, the fluorescent lamp used by ordinary fluorescent lamps), and the luminous efficiency is only about 40lm/W;
The current LED lights, the conventional products of the mainstream first-line brands, usually have a luminous efficiency of about 100lm/W. The luminous efficiency of ordinary cheap and inferior products is basically between 60-80lm/W. Even this is better. Energy saving lamps save electricity.
Of course, 100lm/W is not a brighter lamp at present. At present, it is technically feasible and the price is acceptable. Benwei's finished LED lamps with luminous efficacy of 145-170lm/W have been mass-produced. Although the mainstream first-line brands are mostly 88-105lm/W, some manufacturers of high-quality LED lamps and most energy-saving companies export to Japan, and the mainstream products in Europe and the United States are basically finished LED lamps with a luminous efficiency of more than 120lm/W.
The cost of Benwei 145lm/W-170lm/W LED lamps is definitely higher and the purchase price is more expensive, but if you consider the cost of electricity, it is usually more cost-effective to buy high-efficiency LED lamps. Taking LED sunlight and LED tubes as examples, the mainstream LED tubes on the market are basically LED glass tubes. The power of 1.2 meters is mainly between 16W-18W, 18W-20W, 20W-22W, and some can achieve 30W. , Mainly 18-20W; because the light-emitting angle of the LED glass tube is about 330 degrees, in actual use, 180 degrees downward is effective light, and the other 150 degrees must be reflected by the roof and walls to become effective light, but usually The reflectivity is extremely low. In most applications, if you replace it with a 145-150lm/W aluminum-plastic combined LED tube, it only needs 9W, which is better than almost all first-line brands on the market (whether it is Philips, Osram, etc.). OSRAM, Foshan Lighting FSL, NVC, Sanxiong Aurora, Op, or Sunshine, etc.) 16-22Wled glass lamps are more than 15% bright. In this way, customers who spend their own money will find a very interesting calculation value.
Using ordinary LED glass tube for 50,000 hours of electricity: 18W×500,000 hours ÷ 1000kWh=900 kWh;
Using 145lm-150lm/W 9W aluminum-plastic combined LED lamp power consumption: 9W×500000 hours ÷ 1000kWh=450 kWh;
The difference between the two electricity bills reaches 450 kWh. If the electricity bill is 0.8 yuan/kWh, there is 0.8 yuan/kWh × 450 kWh = 360 yuan.
But in reality, the lifespan of all LED glass tubes is usually less than 16,000 hours. A good aluminum-plastic LED tube can support three LED glass tubes. When buying lights, under verifiable circumstances, consider the cost of electricity bills. , In the long run, it is obviously more cost-effective to buy better LED lamps, LED lamps with long life and high luminous efficiency. When you actually buy it, it may only cost twenty or thirty dollars more.
The same is true for LED fluorescent lamps, LED lamps, and high-power and outdoor lamps. The mainstream 100lm/W 150W is replaced with 100W 150lm/W, and the entire life cycle of 2500 degrees is saved.
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