I tested my own PHILIPS E27 spiral lamp energy-saving lamp and shared some conclusions. Since the publication of the blog post, there have been 2,502 netizens reading, a total of 41 readers expressed their preference, and 41 netizens and bloggers interacted. At the same time, bloggers also talked with netizens about development and technical issues within the industry. Let's take a look together. 
The living room and dining room lighting in the living room has been using the PHILIPS E27 spiral lamp energy-saving lamp. The time before and after has been ten years. In the memory, PHILIPS clearly indicates the service life is 8000 hours on the outer packaging of the energy-saving lamp. I think this famous company like PHILIPS, I have been convinced that this 8000 hours, or will not spend twenty or even more than thirty to buy a 11W PHILIPS energy-saving lamps, it is possible to buy 8 yuan Domestic goods.
8000 hours is not short. One year is 365 days X24 hours = 8760 hours. If someone wants to actually test the life of PHILPS energy-saving lamps, it will take a year to know the results. It seems that it is not difficult to complete this test. Let me keep the lights on for a year. I will definitely not do it. It will make people say that I have a problem with my nerves. Although I will not continue for a year, it takes ten years to change the frequency of energy-saving lamps. In my heart, I have a general impression of the service life of PHILIPS energy-saving lamps. From the initial suspicion to the present, I believe that its actual life is far below the nominal value.
My energy-saving lamps are 11W spiral heads, cool white, 4 living rooms, 3 restaurants, the living room lights are basically open 4~6 hours every day, the restaurant lights are less used, only 1~2 hours will be used for weekend dinners. . From the frequency of changing lights, the lights in the living room can be used for about 2 years. In the ten years, the living room has been changed several times, and the three restaurants have not changed.
A few days ago, there was a lamp in the living room. This time I was interested in doing a statistical analysis of the service life of the PHILIPS energy-saving lamp. In order to be as objective and accurate as possible, I went to the supermarket and bought two lights back, but this time I bought the lamp. There is a small difference, not 11W but 12W (not sure why, the supermarket does not sell 11W this model). I bought it and studied the label on the box carefully and found something interesting.
Figure 1 PHILIPS energy-saving lamp packaging diagram
Figure 1 can clearly see that the rated service life is 8000 hours. There is a line in the lower left corner of the picture, which means that it can be used for 4 years with 5.5 hours per day. In the impression, the previous package does not use 5.5 hours per day for 4 years. The instructions are just that you can't find the previous package to confirm.
5.5 hours X 365 days = 8030 hours, which is basically the same as the rated life of 8000 hours. It seems that PHILIPS does claim that its energy-saving lamp has a service life of 8,000 hours. If the rated life is 8000 hours, I personally understand that the removal of individual defective products is not up to standard, and the normal service life is to reach and exceed 8,000 hours. From the actual situation I use, the actual service life is 4~6 hours X2~3 years. With my personal understanding, the actual rated life should be 4~6 hours X2 years=4~6 hours X365 days X2 = 2920 ~ 4380 hours, if the rated life standard of 4000 hours is still reasonable, the standard 8000 hours feeling is too outrageous, a full double.
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